nextcloud / server

lib/private/Files/View.php

Indentation +2109 added lines, -2109 removed lines

@@ -83,2113 +83,2113 @@
  * \OC\Files\Storage\Storage object
  */
 class View {
-	/** @var string */
-	private $fakeRoot = '';
-
-	/**
-	 * @var \OCP\Lock\ILockingProvider
-	 */
-	protected $lockingProvider;
-
-	private $lockingEnabled;
-
-	private $updaterEnabled = true;
-
-	/** @var \OC\User\Manager */
-	private $userManager;
-
-	/** @var \OCP\ILogger */
-	private $logger;
-
-	/**
-	 * @param string $root
-	 * @throws \Exception If $root contains an invalid path
-	 */
-	public function __construct($root = '') {
-		if (is_null($root)) {
-			throw new \InvalidArgumentException('Root can\'t be null');
-		}
-		if (!Filesystem::isValidPath($root)) {
-			throw new \Exception();
-		}
-
-		$this->fakeRoot = $root;
-		$this->lockingProvider = \OC::$server->getLockingProvider();
-		$this->lockingEnabled = !($this->lockingProvider instanceof \OC\Lock\NoopLockingProvider);
-		$this->userManager = \OC::$server->getUserManager();
-		$this->logger = \OC::$server->getLogger();
-	}
-
-	public function getAbsolutePath($path = '/') {
-		if ($path === null) {
-			return null;
-		}
-		$this->assertPathLength($path);
-		if ($path === '') {
-			$path = '/';
-		}
-		if ($path[0] !== '/') {
-			$path = '/' . $path;
-		}
-		return $this->fakeRoot . $path;
-	}
-
-	/**
-	 * change the root to a fake root
-	 *
-	 * @param string $fakeRoot
-	 * @return boolean|null
-	 */
-	public function chroot($fakeRoot) {
-		if (!$fakeRoot == '') {
-			if ($fakeRoot[0] !== '/') {
-				$fakeRoot = '/' . $fakeRoot;
-			}
-		}
-		$this->fakeRoot = $fakeRoot;
-	}
-
-	/**
-	 * get the fake root
-	 *
-	 * @return string
-	 */
-	public function getRoot() {
-		return $this->fakeRoot;
-	}
-
-	/**
-	 * get path relative to the root of the view
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getRelativePath($path) {
-		$this->assertPathLength($path);
-		if ($this->fakeRoot == '') {
-			return $path;
-		}
-
-		if (rtrim($path, '/') === rtrim($this->fakeRoot, '/')) {
-			return '/';
-		}
-
-		// missing slashes can cause wrong matches!
-		$root = rtrim($this->fakeRoot, '/') . '/';
-
-		if (strpos($path, $root) !== 0) {
-			return null;
-		} else {
-			$path = substr($path, strlen($this->fakeRoot));
-			if (strlen($path) === 0) {
-				return '/';
-			} else {
-				return $path;
-			}
-		}
-	}
-
-	/**
-	 * get the mountpoint of the storage object for a path
-	 * ( note: because a storage is not always mounted inside the fakeroot, the
-	 * returned mountpoint is relative to the absolute root of the filesystem
-	 * and does not take the chroot into account )
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getMountPoint($path) {
-		return Filesystem::getMountPoint($this->getAbsolutePath($path));
-	}
-
-	/**
-	 * get the mountpoint of the storage object for a path
-	 * ( note: because a storage is not always mounted inside the fakeroot, the
-	 * returned mountpoint is relative to the absolute root of the filesystem
-	 * and does not take the chroot into account )
-	 *
-	 * @param string $path
-	 * @return \OCP\Files\Mount\IMountPoint
-	 */
-	public function getMount($path) {
-		return Filesystem::getMountManager()->find($this->getAbsolutePath($path));
-	}
-
-	/**
-	 * resolve a path to a storage and internal path
-	 *
-	 * @param string $path
-	 * @return array an array consisting of the storage and the internal path
-	 */
-	public function resolvePath($path) {
-		$a = $this->getAbsolutePath($path);
-		$p = Filesystem::normalizePath($a);
-		return Filesystem::resolvePath($p);
-	}
-
-	/**
-	 * return the path to a local version of the file
-	 * we need this because we can't know if a file is stored local or not from
-	 * outside the filestorage and for some purposes a local file is needed
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getLocalFile($path) {
-		$parent = substr($path, 0, strrpos($path, '/'));
-		$path = $this->getAbsolutePath($path);
-		list($storage, $internalPath) = Filesystem::resolvePath($path);
-		if (Filesystem::isValidPath($parent) and $storage) {
-			return $storage->getLocalFile($internalPath);
-		} else {
-			return null;
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @return string
-	 */
-	public function getLocalFolder($path) {
-		$parent = substr($path, 0, strrpos($path, '/'));
-		$path = $this->getAbsolutePath($path);
-		list($storage, $internalPath) = Filesystem::resolvePath($path);
-		if (Filesystem::isValidPath($parent) and $storage) {
-			return $storage->getLocalFolder($internalPath);
-		} else {
-			return null;
-		}
-	}
-
-	/**
-	 * the following functions operate with arguments and return values identical
-	 * to those of their PHP built-in equivalents. Mostly they are merely wrappers
-	 * for \OC\Files\Storage\Storage via basicOperation().
-	 */
-	public function mkdir($path) {
-		return $this->basicOperation('mkdir', $path, ['create', 'write']);
-	}
-
-	/**
-	 * remove mount point
-	 *
-	 * @param \OC\Files\Mount\MoveableMount $mount
-	 * @param string $path relative to data/
-	 * @return boolean
-	 */
-	protected function removeMount($mount, $path) {
-		if ($mount instanceof MoveableMount) {
-			// cut of /user/files to get the relative path to data/user/files
-			$pathParts = explode('/', $path, 4);
-			$relPath = '/' . $pathParts[3];
-			$this->lockFile($relPath, ILockingProvider::LOCK_SHARED, true);
-			\OC_Hook::emit(
-				Filesystem::CLASSNAME, "umount",
-				[Filesystem::signal_param_path => $relPath]
-			);
-			$this->changeLock($relPath, ILockingProvider::LOCK_EXCLUSIVE, true);
-			$result = $mount->removeMount();
-			$this->changeLock($relPath, ILockingProvider::LOCK_SHARED, true);
-			if ($result) {
-				\OC_Hook::emit(
-					Filesystem::CLASSNAME, "post_umount",
-					[Filesystem::signal_param_path => $relPath]
-				);
-			}
-			$this->unlockFile($relPath, ILockingProvider::LOCK_SHARED, true);
-			return $result;
-		} else {
-			// do not allow deleting the storage's root / the mount point
-			// because for some storages it might delete the whole contents
-			// but isn't supposed to work that way
-			return false;
-		}
-	}
-
-	public function disableCacheUpdate() {
-		$this->updaterEnabled = false;
-	}
-
-	public function enableCacheUpdate() {
-		$this->updaterEnabled = true;
-	}
-
-	protected function writeUpdate(Storage $storage, $internalPath, $time = null) {
-		if ($this->updaterEnabled) {
-			if (is_null($time)) {
-				$time = time();
-			}
-			$storage->getUpdater()->update($internalPath, $time);
-		}
-	}
-
-	protected function removeUpdate(Storage $storage, $internalPath) {
-		if ($this->updaterEnabled) {
-			$storage->getUpdater()->remove($internalPath);
-		}
-	}
-
-	protected function renameUpdate(Storage $sourceStorage, Storage $targetStorage, $sourceInternalPath, $targetInternalPath) {
-		if ($this->updaterEnabled) {
-			$targetStorage->getUpdater()->renameFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @return bool|mixed
-	 */
-	public function rmdir($path) {
-		$absolutePath = $this->getAbsolutePath($path);
-		$mount = Filesystem::getMountManager()->find($absolutePath);
-		if ($mount->getInternalPath($absolutePath) === '') {
-			return $this->removeMount($mount, $absolutePath);
-		}
-		if ($this->is_dir($path)) {
-			$result = $this->basicOperation('rmdir', $path, ['delete']);
-		} else {
-			$result = false;
-		}
-
-		if (!$result && !$this->file_exists($path)) { //clear ghost files from the cache on delete
-			$storage = $mount->getStorage();
-			$internalPath = $mount->getInternalPath($absolutePath);
-			$storage->getUpdater()->remove($internalPath);
-		}
-		return $result;
-	}
-
-	/**
-	 * @param string $path
-	 * @return resource
-	 */
-	public function opendir($path) {
-		return $this->basicOperation('opendir', $path, ['read']);
-	}
-
-	/**
-	 * @param string $path
-	 * @return bool|mixed
-	 */
-	public function is_dir($path) {
-		if ($path == '/') {
-			return true;
-		}
-		return $this->basicOperation('is_dir', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return bool|mixed
-	 */
-	public function is_file($path) {
-		if ($path == '/') {
-			return false;
-		}
-		return $this->basicOperation('is_file', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 */
-	public function stat($path) {
-		return $this->basicOperation('stat', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 */
-	public function filetype($path) {
-		return $this->basicOperation('filetype', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 */
-	public function filesize($path) {
-		return $this->basicOperation('filesize', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return bool|mixed
-	 * @throws \OCP\Files\InvalidPathException
-	 */
-	public function readfile($path) {
-		$this->assertPathLength($path);
-		@ob_end_clean();
-		$handle = $this->fopen($path, 'rb');
-		if ($handle) {
-			$chunkSize = 8192; // 8 kB chunks
-			while (!feof($handle)) {
-				echo fread($handle, $chunkSize);
-				flush();
-			}
-			fclose($handle);
-			return $this->filesize($path);
-		}
-		return false;
-	}
-
-	/**
-	 * @param string $path
-	 * @param int $from
-	 * @param int $to
-	 * @return bool|mixed
-	 * @throws \OCP\Files\InvalidPathException
-	 * @throws \OCP\Files\UnseekableException
-	 */
-	public function readfilePart($path, $from, $to) {
-		$this->assertPathLength($path);
-		@ob_end_clean();
-		$handle = $this->fopen($path, 'rb');
-		if ($handle) {
-			$chunkSize = 8192; // 8 kB chunks
-			$startReading = true;
-
-			if ($from !== 0 && $from !== '0' && fseek($handle, $from) !== 0) {
-				// forward file handle via chunked fread because fseek seem to have failed
-
-				$end = $from + 1;
-				while (!feof($handle) && ftell($handle) < $end) {
-					$len = $from - ftell($handle);
-					if ($len > $chunkSize) {
-						$len = $chunkSize;
-					}
-					$result = fread($handle, $len);
-
-					if ($result === false) {
-						$startReading = false;
-						break;
-					}
-				}
-			}
-
-			if ($startReading) {
-				$end = $to + 1;
-				while (!feof($handle) && ftell($handle) < $end) {
-					$len = $end - ftell($handle);
-					if ($len > $chunkSize) {
-						$len = $chunkSize;
-					}
-					echo fread($handle, $len);
-					flush();
-				}
-				return ftell($handle) - $from;
-			}
-
-			throw new \OCP\Files\UnseekableException('fseek error');
-		}
-		return false;
-	}
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 */
-	public function isCreatable($path) {
-		return $this->basicOperation('isCreatable', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 */
-	public function isReadable($path) {
-		return $this->basicOperation('isReadable', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 */
-	public function isUpdatable($path) {
-		return $this->basicOperation('isUpdatable', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return bool|mixed
-	 */
-	public function isDeletable($path) {
-		$absolutePath = $this->getAbsolutePath($path);
-		$mount = Filesystem::getMountManager()->find($absolutePath);
-		if ($mount->getInternalPath($absolutePath) === '') {
-			return $mount instanceof MoveableMount;
-		}
-		return $this->basicOperation('isDeletable', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 */
-	public function isSharable($path) {
-		return $this->basicOperation('isSharable', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return bool|mixed
-	 */
-	public function file_exists($path) {
-		if ($path == '/') {
-			return true;
-		}
-		return $this->basicOperation('file_exists', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 */
-	public function filemtime($path) {
-		return $this->basicOperation('filemtime', $path);
-	}
-
-	/**
-	 * @param string $path
-	 * @param int|string $mtime
-	 * @return bool
-	 */
-	public function touch($path, $mtime = null) {
-		if (!is_null($mtime) and !is_numeric($mtime)) {
-			$mtime = strtotime($mtime);
-		}
-
-		$hooks = ['touch'];
-
-		if (!$this->file_exists($path)) {
-			$hooks[] = 'create';
-			$hooks[] = 'write';
-		}
-		try {
-			$result = $this->basicOperation('touch', $path, $hooks, $mtime);
-		} catch (\Exception $e) {
-			$this->logger->logException($e, ['level' => ILogger::INFO, 'message' => 'Error while setting modified time']);
-			$result = false;
-		}
-		if (!$result) {
-			// If create file fails because of permissions on external storage like SMB folders,
-			// check file exists and return false if not.
-			if (!$this->file_exists($path)) {
-				return false;
-			}
-			if (is_null($mtime)) {
-				$mtime = time();
-			}
-			//if native touch fails, we emulate it by changing the mtime in the cache
-			$this->putFileInfo($path, ['mtime' => floor($mtime)]);
-		}
-		return true;
-	}
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 * @throws LockedException
-	 */
-	public function file_get_contents($path) {
-		return $this->basicOperation('file_get_contents', $path, ['read']);
-	}
-
-	/**
-	 * @param bool $exists
-	 * @param string $path
-	 * @param bool $run
-	 */
-	protected function emit_file_hooks_pre($exists, $path, &$run) {
-		if (!$exists) {
-			\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_create, [
-				Filesystem::signal_param_path => $this->getHookPath($path),
-				Filesystem::signal_param_run => &$run,
-			]);
-		} else {
-			\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_update, [
-				Filesystem::signal_param_path => $this->getHookPath($path),
-				Filesystem::signal_param_run => &$run,
-			]);
-		}
-		\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_write, [
-			Filesystem::signal_param_path => $this->getHookPath($path),
-			Filesystem::signal_param_run => &$run,
-		]);
-	}
-
-	/**
-	 * @param bool $exists
-	 * @param string $path
-	 */
-	protected function emit_file_hooks_post($exists, $path) {
-		if (!$exists) {
-			\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_create, [
-				Filesystem::signal_param_path => $this->getHookPath($path),
-			]);
-		} else {
-			\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_update, [
-				Filesystem::signal_param_path => $this->getHookPath($path),
-			]);
-		}
-		\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_write, [
-			Filesystem::signal_param_path => $this->getHookPath($path),
-		]);
-	}
-
-	/**
-	 * @param string $path
-	 * @param string|resource $data
-	 * @return bool|mixed
-	 * @throws LockedException
-	 */
-	public function file_put_contents($path, $data) {
-		if (is_resource($data)) { //not having to deal with streams in file_put_contents makes life easier
-			$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
-			if (Filesystem::isValidPath($path)
-				and !Filesystem::isFileBlacklisted($path)
-			) {
-				$path = $this->getRelativePath($absolutePath);
-
-				$this->lockFile($path, ILockingProvider::LOCK_SHARED);
-
-				$exists = $this->file_exists($path);
-				$run = true;
-				if ($this->shouldEmitHooks($path)) {
-					$this->emit_file_hooks_pre($exists, $path, $run);
-				}
-				if (!$run) {
-					$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
-					return false;
-				}
-
-				$this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
-
-				/** @var \OC\Files\Storage\Storage $storage */
-				list($storage, $internalPath) = $this->resolvePath($path);
-				$target = $storage->fopen($internalPath, 'w');
-				if ($target) {
-					list (, $result) = \OC_Helper::streamCopy($data, $target);
-					fclose($target);
-					fclose($data);
-
-					$this->writeUpdate($storage, $internalPath);
-
-					$this->changeLock($path, ILockingProvider::LOCK_SHARED);
-
-					if ($this->shouldEmitHooks($path) && $result !== false) {
-						$this->emit_file_hooks_post($exists, $path);
-					}
-					$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
-					return $result;
-				} else {
-					$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
-					return false;
-				}
-			} else {
-				return false;
-			}
-		} else {
-			$hooks = $this->file_exists($path) ? ['update', 'write'] : ['create', 'write'];
-			return $this->basicOperation('file_put_contents', $path, $hooks, $data);
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @return bool|mixed
-	 */
-	public function unlink($path) {
-		if ($path === '' || $path === '/') {
-			// do not allow deleting the root
-			return false;
-		}
-		$postFix = (substr($path, -1) === '/') ? '/' : '';
-		$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
-		$mount = Filesystem::getMountManager()->find($absolutePath . $postFix);
-		if ($mount and $mount->getInternalPath($absolutePath) === '') {
-			return $this->removeMount($mount, $absolutePath);
-		}
-		if ($this->is_dir($path)) {
-			$result = $this->basicOperation('rmdir', $path, ['delete']);
-		} else {
-			$result = $this->basicOperation('unlink', $path, ['delete']);
-		}
-		if (!$result && !$this->file_exists($path)) { //clear ghost files from the cache on delete
-			$storage = $mount->getStorage();
-			$internalPath = $mount->getInternalPath($absolutePath);
-			$storage->getUpdater()->remove($internalPath);
-			return true;
-		} else {
-			return $result;
-		}
-	}
-
-	/**
-	 * @param string $directory
-	 * @return bool|mixed
-	 */
-	public function deleteAll($directory) {
-		return $this->rmdir($directory);
-	}
-
-	/**
-	 * Rename/move a file or folder from the source path to target path.
-	 *
-	 * @param string $path1 source path
-	 * @param string $path2 target path
-	 *
-	 * @return bool|mixed
-	 * @throws LockedException
-	 */
-	public function rename($path1, $path2) {
-		$absolutePath1 = Filesystem::normalizePath($this->getAbsolutePath($path1));
-		$absolutePath2 = Filesystem::normalizePath($this->getAbsolutePath($path2));
-		$result = false;
-		if (
-			Filesystem::isValidPath($path2)
-			and Filesystem::isValidPath($path1)
-			and !Filesystem::isFileBlacklisted($path2)
-		) {
-			$path1 = $this->getRelativePath($absolutePath1);
-			$path2 = $this->getRelativePath($absolutePath2);
-			$exists = $this->file_exists($path2);
-
-			if ($path1 == null or $path2 == null) {
-				return false;
-			}
-
-			$this->lockFile($path1, ILockingProvider::LOCK_SHARED, true);
-			try {
-				$this->lockFile($path2, ILockingProvider::LOCK_SHARED, true);
-
-				$run = true;
-				if ($this->shouldEmitHooks($path1) && (Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2))) {
-					// if it was a rename from a part file to a regular file it was a write and not a rename operation
-					$this->emit_file_hooks_pre($exists, $path2, $run);
-				} elseif ($this->shouldEmitHooks($path1)) {
-					\OC_Hook::emit(
-						Filesystem::CLASSNAME, Filesystem::signal_rename,
-						[
-							Filesystem::signal_param_oldpath => $this->getHookPath($path1),
-							Filesystem::signal_param_newpath => $this->getHookPath($path2),
-							Filesystem::signal_param_run => &$run
-						]
-					);
-				}
-				if ($run) {
-					$this->verifyPath(dirname($path2), basename($path2));
-
-					$manager = Filesystem::getMountManager();
-					$mount1 = $this->getMount($path1);
-					$mount2 = $this->getMount($path2);
-					$storage1 = $mount1->getStorage();
-					$storage2 = $mount2->getStorage();
-					$internalPath1 = $mount1->getInternalPath($absolutePath1);
-					$internalPath2 = $mount2->getInternalPath($absolutePath2);
-
-					$this->changeLock($path1, ILockingProvider::LOCK_EXCLUSIVE, true);
-					try {
-						$this->changeLock($path2, ILockingProvider::LOCK_EXCLUSIVE, true);
-
-						if ($internalPath1 === '') {
-							if ($mount1 instanceof MoveableMount) {
-								$sourceParentMount = $this->getMount(dirname($path1));
-								if ($sourceParentMount === $mount2 && $this->targetIsNotShared($storage2, $internalPath2)) {
-									/**
-									 * @var \OC\Files\Mount\MountPoint | \OC\Files\Mount\MoveableMount $mount1
-									 */
-									$sourceMountPoint = $mount1->getMountPoint();
-									$result = $mount1->moveMount($absolutePath2);
-									$manager->moveMount($sourceMountPoint, $mount1->getMountPoint());
-								} else {
-									$result = false;
-								}
-							} else {
-								$result = false;
-							}
-							// moving a file/folder within the same mount point
-						} elseif ($storage1 === $storage2) {
-							if ($storage1) {
-								$result = $storage1->rename($internalPath1, $internalPath2);
-							} else {
-								$result = false;
-							}
-							// moving a file/folder between storages (from $storage1 to $storage2)
-						} else {
-							$result = $storage2->moveFromStorage($storage1, $internalPath1, $internalPath2);
-						}
-
-						if ((Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2)) && $result !== false) {
-							// if it was a rename from a part file to a regular file it was a write and not a rename operation
-							$this->writeUpdate($storage2, $internalPath2);
-						} else if ($result) {
-							if ($internalPath1 !== '') { // don't do a cache update for moved mounts
-								$this->renameUpdate($storage1, $storage2, $internalPath1, $internalPath2);
-							}
-						}
-					} catch(\Exception $e) {
-						throw $e;
-					} finally {
-						$this->changeLock($path1, ILockingProvider::LOCK_SHARED, true);
-						$this->changeLock($path2, ILockingProvider::LOCK_SHARED, true);
-					}
-
-					if ((Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2)) && $result !== false) {
-						if ($this->shouldEmitHooks()) {
-							$this->emit_file_hooks_post($exists, $path2);
-						}
-					} elseif ($result) {
-						if ($this->shouldEmitHooks($path1) and $this->shouldEmitHooks($path2)) {
-							\OC_Hook::emit(
-								Filesystem::CLASSNAME,
-								Filesystem::signal_post_rename,
-								[
-									Filesystem::signal_param_oldpath => $this->getHookPath($path1),
-									Filesystem::signal_param_newpath => $this->getHookPath($path2)
-								]
-							);
-						}
-					}
-				}
-			} catch(\Exception $e) {
-				throw $e;
-			} finally {
-				$this->unlockFile($path1, ILockingProvider::LOCK_SHARED, true);
-				$this->unlockFile($path2, ILockingProvider::LOCK_SHARED, true);
-			}
-		}
-		return $result;
-	}
-
-	/**
-	 * Copy a file/folder from the source path to target path
-	 *
-	 * @param string $path1 source path
-	 * @param string $path2 target path
-	 * @param bool $preserveMtime whether to preserve mtime on the copy
-	 *
-	 * @return bool|mixed
-	 */
-	public function copy($path1, $path2, $preserveMtime = false) {
-		$absolutePath1 = Filesystem::normalizePath($this->getAbsolutePath($path1));
-		$absolutePath2 = Filesystem::normalizePath($this->getAbsolutePath($path2));
-		$result = false;
-		if (
-			Filesystem::isValidPath($path2)
-			and Filesystem::isValidPath($path1)
-			and !Filesystem::isFileBlacklisted($path2)
-		) {
-			$path1 = $this->getRelativePath($absolutePath1);
-			$path2 = $this->getRelativePath($absolutePath2);
-
-			if ($path1 == null or $path2 == null) {
-				return false;
-			}
-			$run = true;
-
-			$this->lockFile($path2, ILockingProvider::LOCK_SHARED);
-			$this->lockFile($path1, ILockingProvider::LOCK_SHARED);
-			$lockTypePath1 = ILockingProvider::LOCK_SHARED;
-			$lockTypePath2 = ILockingProvider::LOCK_SHARED;
-
-			try {
-
-				$exists = $this->file_exists($path2);
-				if ($this->shouldEmitHooks()) {
-					\OC_Hook::emit(
-						Filesystem::CLASSNAME,
-						Filesystem::signal_copy,
-						[
-							Filesystem::signal_param_oldpath => $this->getHookPath($path1),
-							Filesystem::signal_param_newpath => $this->getHookPath($path2),
-							Filesystem::signal_param_run => &$run
-						]
-					);
-					$this->emit_file_hooks_pre($exists, $path2, $run);
-				}
-				if ($run) {
-					$mount1 = $this->getMount($path1);
-					$mount2 = $this->getMount($path2);
-					$storage1 = $mount1->getStorage();
-					$internalPath1 = $mount1->getInternalPath($absolutePath1);
-					$storage2 = $mount2->getStorage();
-					$internalPath2 = $mount2->getInternalPath($absolutePath2);
-
-					$this->changeLock($path2, ILockingProvider::LOCK_EXCLUSIVE);
-					$lockTypePath2 = ILockingProvider::LOCK_EXCLUSIVE;
-
-					if ($mount1->getMountPoint() == $mount2->getMountPoint()) {
-						if ($storage1) {
-							$result = $storage1->copy($internalPath1, $internalPath2);
-						} else {
-							$result = false;
-						}
-					} else {
-						$result = $storage2->copyFromStorage($storage1, $internalPath1, $internalPath2);
-					}
-
-					$this->writeUpdate($storage2, $internalPath2);
-
-					$this->changeLock($path2, ILockingProvider::LOCK_SHARED);
-					$lockTypePath2 = ILockingProvider::LOCK_SHARED;
-
-					if ($this->shouldEmitHooks() && $result !== false) {
-						\OC_Hook::emit(
-							Filesystem::CLASSNAME,
-							Filesystem::signal_post_copy,
-							[
-								Filesystem::signal_param_oldpath => $this->getHookPath($path1),
-								Filesystem::signal_param_newpath => $this->getHookPath($path2)
-							]
-						);
-						$this->emit_file_hooks_post($exists, $path2);
-					}
-
-				}
-			} catch (\Exception $e) {
-				$this->unlockFile($path2, $lockTypePath2);
-				$this->unlockFile($path1, $lockTypePath1);
-				throw $e;
-			}
-
-			$this->unlockFile($path2, $lockTypePath2);
-			$this->unlockFile($path1, $lockTypePath1);
-
-		}
-		return $result;
-	}
-
-	/**
-	 * @param string $path
-	 * @param string $mode 'r' or 'w'
-	 * @return resource
-	 * @throws LockedException
-	 */
-	public function fopen($path, $mode) {
-		$mode = str_replace('b', '', $mode); // the binary flag is a windows only feature which we do not support
-		$hooks = [];
-		switch ($mode) {
-			case 'r':
-				$hooks[] = 'read';
-				break;
-			case 'r+':
-			case 'w+':
-			case 'x+':
-			case 'a+':
-				$hooks[] = 'read';
-				$hooks[] = 'write';
-				break;
-			case 'w':
-			case 'x':
-			case 'a':
-				$hooks[] = 'write';
-				break;
-			default:
-				\OCP\Util::writeLog('core', 'invalid mode (' . $mode . ') for ' . $path, ILogger::ERROR);
-		}
-
-		if ($mode !== 'r' && $mode !== 'w') {
-			\OC::$server->getLogger()->info('Trying to open a file with a mode other than "r" or "w" can cause severe performance issues with some backends');
-		}
-
-		return $this->basicOperation('fopen', $path, $hooks, $mode);
-	}
-
-	/**
-	 * @param string $path
-	 * @return bool|string
-	 * @throws \OCP\Files\InvalidPathException
-	 */
-	public function toTmpFile($path) {
-		$this->assertPathLength($path);
-		if (Filesystem::isValidPath($path)) {
-			$source = $this->fopen($path, 'r');
-			if ($source) {
-				$extension = pathinfo($path, PATHINFO_EXTENSION);
-				$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($extension);
-				file_put_contents($tmpFile, $source);
-				return $tmpFile;
-			} else {
-				return false;
-			}
-		} else {
-			return false;
-		}
-	}
-
-	/**
-	 * @param string $tmpFile
-	 * @param string $path
-	 * @return bool|mixed
-	 * @throws \OCP\Files\InvalidPathException
-	 */
-	public function fromTmpFile($tmpFile, $path) {
-		$this->assertPathLength($path);
-		if (Filesystem::isValidPath($path)) {
-
-			// Get directory that the file is going into
-			$filePath = dirname($path);
-
-			// Create the directories if any
-			if (!$this->file_exists($filePath)) {
-				$result = $this->createParentDirectories($filePath);
-				if ($result === false) {
-					return false;
-				}
-			}
-
-			$source = fopen($tmpFile, 'r');
-			if ($source) {
-				$result = $this->file_put_contents($path, $source);
-				// $this->file_put_contents() might have already closed
-				// the resource, so we check it, before trying to close it
-				// to avoid messages in the error log.
-				if (is_resource($source)) {
-					fclose($source);
-				}
-				unlink($tmpFile);
-				return $result;
-			} else {
-				return false;
-			}
-		} else {
-			return false;
-		}
-	}
-
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 * @throws \OCP\Files\InvalidPathException
-	 */
-	public function getMimeType($path) {
-		$this->assertPathLength($path);
-		return $this->basicOperation('getMimeType', $path);
-	}
-
-	/**
-	 * @param string $type
-	 * @param string $path
-	 * @param bool $raw
-	 * @return bool|null|string
-	 */
-	public function hash($type, $path, $raw = false) {
-		$postFix = (substr($path, -1) === '/') ? '/' : '';
-		$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
-		if (Filesystem::isValidPath($path)) {
-			$path = $this->getRelativePath($absolutePath);
-			if ($path == null) {
-				return false;
-			}
-			if ($this->shouldEmitHooks($path)) {
-				\OC_Hook::emit(
-					Filesystem::CLASSNAME,
-					Filesystem::signal_read,
-					[Filesystem::signal_param_path => $this->getHookPath($path)]
-				);
-			}
-			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
-			if ($storage) {
-				return $storage->hash($type, $internalPath, $raw);
-			}
-		}
-		return null;
-	}
-
-	/**
-	 * @param string $path
-	 * @return mixed
-	 * @throws \OCP\Files\InvalidPathException
-	 */
-	public function free_space($path = '/') {
-		$this->assertPathLength($path);
-		$result = $this->basicOperation('free_space', $path);
-		if ($result === null) {
-			throw new InvalidPathException();
-		}
-		return $result;
-	}
-
-	/**
-	 * abstraction layer for basic filesystem functions: wrapper for \OC\Files\Storage\Storage
-	 *
-	 * @param string $operation
-	 * @param string $path
-	 * @param array $hooks (optional)
-	 * @param mixed $extraParam (optional)
-	 * @return mixed
-	 * @throws LockedException
-	 *
-	 * This method takes requests for basic filesystem functions (e.g. reading & writing
-	 * files), processes hooks and proxies, sanitises paths, and finally passes them on to
-	 * \OC\Files\Storage\Storage for delegation to a storage backend for execution
-	 */
-	private function basicOperation($operation, $path, $hooks = [], $extraParam = null) {
-		$postFix = (substr($path, -1) === '/') ? '/' : '';
-		$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
-		if (Filesystem::isValidPath($path)
-			and !Filesystem::isFileBlacklisted($path)
-		) {
-			$path = $this->getRelativePath($absolutePath);
-			if ($path == null) {
-				return false;
-			}
-
-			if (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks)) {
-				// always a shared lock during pre-hooks so the hook can read the file
-				$this->lockFile($path, ILockingProvider::LOCK_SHARED);
-			}
-
-			$run = $this->runHooks($hooks, $path);
-			/** @var \OC\Files\Storage\Storage $storage */
-			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
-			if ($run and $storage) {
-				if (in_array('write', $hooks) || in_array('delete', $hooks)) {
-					try {
-						$this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
-					} catch (LockedException $e) {
-						// release the shared lock we acquired before quiting
-						$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
-						throw $e;
-					}
-				}
-				try {
-					if (!is_null($extraParam)) {
-						$result = $storage->$operation($internalPath, $extraParam);
-					} else {
-						$result = $storage->$operation($internalPath);
-					}
-				} catch (\Exception $e) {
-					if (in_array('write', $hooks) || in_array('delete', $hooks)) {
-						$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
-					} else if (in_array('read', $hooks)) {
-						$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
-					}
-					throw $e;
-				}
-
-				if ($result && in_array('delete', $hooks) and $result) {
-					$this->removeUpdate($storage, $internalPath);
-				}
-				if ($result && in_array('write', $hooks,  true) && $operation !== 'fopen' && $operation !== 'touch') {
-					$this->writeUpdate($storage, $internalPath);
-				}
-				if ($result && in_array('touch', $hooks)) {
-					$this->writeUpdate($storage, $internalPath, $extraParam);
-				}
-
-				if ((in_array('write', $hooks) || in_array('delete', $hooks)) && ($operation !== 'fopen' || $result === false)) {
-					$this->changeLock($path, ILockingProvider::LOCK_SHARED);
-				}
-
-				$unlockLater = false;
-				if ($this->lockingEnabled && $operation === 'fopen' && is_resource($result)) {
-					$unlockLater = true;
-					// make sure our unlocking callback will still be called if connection is aborted
-					ignore_user_abort(true);
-					$result = CallbackWrapper::wrap($result, null, null, function () use ($hooks, $path) {
-						if (in_array('write', $hooks)) {
-							$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
-						} else if (in_array('read', $hooks)) {
-							$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
-						}
-					});
-				}
-
-				if ($this->shouldEmitHooks($path) && $result !== false) {
-					if ($operation != 'fopen') { //no post hooks for fopen, the file stream is still open
-						$this->runHooks($hooks, $path, true);
-					}
-				}
-
-				if (!$unlockLater
-					&& (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks))
-				) {
-					$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
-				}
-				return $result;
-			} else {
-				$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
-			}
-		}
-		return null;
-	}
-
-	/**
-	 * get the path relative to the default root for hook usage
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	private function getHookPath($path) {
-		if (!Filesystem::getView()) {
-			return $path;
-		}
-		return Filesystem::getView()->getRelativePath($this->getAbsolutePath($path));
-	}
-
-	private function shouldEmitHooks($path = '') {
-		if ($path && Cache\Scanner::isPartialFile($path)) {
-			return false;
-		}
-		if (!Filesystem::$loaded) {
-			return false;
-		}
-		$defaultRoot = Filesystem::getRoot();
-		if ($defaultRoot === null) {
-			return false;
-		}
-		if ($this->fakeRoot === $defaultRoot) {
-			return true;
-		}
-		$fullPath = $this->getAbsolutePath($path);
-
-		if ($fullPath === $defaultRoot) {
-			return true;
-		}
-
-		return (strlen($fullPath) > strlen($defaultRoot)) && (substr($fullPath, 0, strlen($defaultRoot) + 1) === $defaultRoot . '/');
-	}
-
-	/**
-	 * @param string[] $hooks
-	 * @param string $path
-	 * @param bool $post
-	 * @return bool
-	 */
-	private function runHooks($hooks, $path, $post = false) {
-		$relativePath = $path;
-		$path = $this->getHookPath($path);
-		$prefix = $post ? 'post_' : '';
-		$run = true;
-		if ($this->shouldEmitHooks($relativePath)) {
-			foreach ($hooks as $hook) {
-				if ($hook != 'read') {
-					\OC_Hook::emit(
-						Filesystem::CLASSNAME,
-						$prefix . $hook,
-						[
-							Filesystem::signal_param_run => &$run,
-							Filesystem::signal_param_path => $path
-						]
-					);
-				} elseif (!$post) {
-					\OC_Hook::emit(
-						Filesystem::CLASSNAME,
-						$prefix . $hook,
-						[
-							Filesystem::signal_param_path => $path
-						]
-					);
-				}
-			}
-		}
-		return $run;
-	}
-
-	/**
-	 * check if a file or folder has been updated since $time
-	 *
-	 * @param string $path
-	 * @param int $time
-	 * @return bool
-	 */
-	public function hasUpdated($path, $time) {
-		return $this->basicOperation('hasUpdated', $path, [], $time);
-	}
-
-	/**
-	 * @param string $ownerId
-	 * @return \OC\User\User
-	 */
-	private function getUserObjectForOwner($ownerId) {
-		$owner = $this->userManager->get($ownerId);
-		if ($owner instanceof IUser) {
-			return $owner;
-		} else {
-			return new User($ownerId, null, \OC::$server->getEventDispatcher());
-		}
-	}
-
-	/**
-	 * Get file info from cache
-	 *
-	 * If the file is not in cached it will be scanned
-	 * If the file has changed on storage the cache will be updated
-	 *
-	 * @param \OC\Files\Storage\Storage $storage
-	 * @param string $internalPath
-	 * @param string $relativePath
-	 * @return ICacheEntry|bool
-	 */
-	private function getCacheEntry($storage, $internalPath, $relativePath) {
-		$cache = $storage->getCache($internalPath);
-		$data = $cache->get($internalPath);
-		$watcher = $storage->getWatcher($internalPath);
-
-		try {
-			// if the file is not in the cache or needs to be updated, trigger the scanner and reload the data
-			if (!$data || $data['size'] === -1) {
-				if (!$storage->file_exists($internalPath)) {
-					return false;
-				}
-				// don't need to get a lock here since the scanner does it's own locking
-				$scanner = $storage->getScanner($internalPath);
-				$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
-				$data = $cache->get($internalPath);
-			} else if (!Cache\Scanner::isPartialFile($internalPath) && $watcher->needsUpdate($internalPath, $data)) {
-				$this->lockFile($relativePath, ILockingProvider::LOCK_SHARED);
-				$watcher->update($internalPath, $data);
-				$storage->getPropagator()->propagateChange($internalPath, time());
-				$data = $cache->get($internalPath);
-				$this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
-			}
-		} catch (LockedException $e) {
-			// if the file is locked we just use the old cache info
-		}
-
-		return $data;
-	}
-
-	/**
-	 * get the filesystem info
-	 *
-	 * @param string $path
-	 * @param boolean|string $includeMountPoints true to add mountpoint sizes,
-	 * 'ext' to add only ext storage mount point sizes. Defaults to true.
-	 * defaults to true
-	 * @return \OC\Files\FileInfo|false False if file does not exist
-	 */
-	public function getFileInfo($path, $includeMountPoints = true) {
-		$this->assertPathLength($path);
-		if (!Filesystem::isValidPath($path)) {
-			return false;
-		}
-		if (Cache\Scanner::isPartialFile($path)) {
-			return $this->getPartFileInfo($path);
-		}
-		$relativePath = $path;
-		$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
-
-		$mount = Filesystem::getMountManager()->find($path);
-		if (!$mount) {
-			\OC::$server->getLogger()->warning('Mountpoint not found for path: ' . $path);
-			return false;
-		}
-		$storage = $mount->getStorage();
-		$internalPath = $mount->getInternalPath($path);
-		if ($storage) {
-			$data = $this->getCacheEntry($storage, $internalPath, $relativePath);
-
-			if (!$data instanceof ICacheEntry) {
-				return false;
-			}
-
-			if ($mount instanceof MoveableMount && $internalPath === '') {
-				$data['permissions'] |= \OCP\Constants::PERMISSION_DELETE;
-			}
-			$ownerId = $storage->getOwner($internalPath);
-			$owner = null;
-			if ($ownerId !== null && $ownerId !== false) {
-				// ownerId might be null if files are accessed with an access token without file system access
-				$owner = $this->getUserObjectForOwner($ownerId);
-			}
-			$info = new FileInfo($path, $storage, $internalPath, $data, $mount, $owner);
-
-			if ($data and isset($data['fileid'])) {
-				if ($includeMountPoints and $data['mimetype'] === 'httpd/unix-directory') {
-					//add the sizes of other mount points to the folder
-					$extOnly = ($includeMountPoints === 'ext');
-					$mounts = Filesystem::getMountManager()->findIn($path);
-					$info->setSubMounts(array_filter($mounts, function (IMountPoint $mount) use ($extOnly) {
-						$subStorage = $mount->getStorage();
-						return !($extOnly && $subStorage instanceof \OCA\Files_Sharing\SharedStorage);
-					}));
-				}
-			}
-
-			return $info;
-		} else {
-			\OC::$server->getLogger()->warning('Storage not valid for mountpoint: ' . $mount->getMountPoint());
-		}
-
-		return false;
-	}
-
-	/**
-	 * get the content of a directory
-	 *
-	 * @param string $directory path under datadirectory
-	 * @param string $mimetype_filter limit returned content to this mimetype or mimepart
-	 * @return FileInfo[]
-	 */
-	public function getDirectoryContent($directory, $mimetype_filter = '') {
-		$this->assertPathLength($directory);
-		if (!Filesystem::isValidPath($directory)) {
-			return [];
-		}
-		$path = $this->getAbsolutePath($directory);
-		$path = Filesystem::normalizePath($path);
-		$mount = $this->getMount($directory);
-		if (!$mount) {
-			return [];
-		}
-		$storage = $mount->getStorage();
-		$internalPath = $mount->getInternalPath($path);
-		if ($storage) {
-			$cache = $storage->getCache($internalPath);
-			$user = \OC_User::getUser();
-
-			$data = $this->getCacheEntry($storage, $internalPath, $directory);
-
-			if (!$data instanceof ICacheEntry || !isset($data['fileid']) || !($data->getPermissions() && Constants::PERMISSION_READ)) {
-				return [];
-			}
-
-			$folderId = $data['fileid'];
-			$contents = $cache->getFolderContentsById($folderId); //TODO: mimetype_filter
-
-			$sharingDisabled = \OCP\Util::isSharingDisabledForUser();
-
-			$fileNames = array_map(function (ICacheEntry $content) {
-				return $content->getName();
-			}, $contents);
-			/**
-			 * @var \OC\Files\FileInfo[] $fileInfos
-			 */
-			$fileInfos = array_map(function (ICacheEntry $content) use ($path, $storage, $mount, $sharingDisabled) {
-				if ($sharingDisabled) {
-					$content['permissions'] = $content['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
-				}
-				$owner = $this->getUserObjectForOwner($storage->getOwner($content['path']));
-				return new FileInfo($path . '/' . $content['name'], $storage, $content['path'], $content, $mount, $owner);
-			}, $contents);
-			$files = array_combine($fileNames, $fileInfos);
-
-			//add a folder for any mountpoint in this directory and add the sizes of other mountpoints to the folders
-			$mounts = Filesystem::getMountManager()->findIn($path);
-			$dirLength = strlen($path);
-			foreach ($mounts as $mount) {
-				$mountPoint = $mount->getMountPoint();
-				$subStorage = $mount->getStorage();
-				if ($subStorage) {
-					$subCache = $subStorage->getCache('');
-
-					$rootEntry = $subCache->get('');
-					if (!$rootEntry) {
-						$subScanner = $subStorage->getScanner('');
-						try {
-							$subScanner->scanFile('');
-						} catch (\OCP\Files\StorageNotAvailableException $e) {
-							continue;
-						} catch (\OCP\Files\StorageInvalidException $e) {
-							continue;
-						} catch (\Exception $e) {
-							// sometimes when the storage is not available it can be any exception
-							\OC::$server->getLogger()->logException($e, [
-								'message' => 'Exception while scanning storage "' . $subStorage->getId() . '"',
-								'level' => ILogger::ERROR,
-								'app' => 'lib',
-							]);
-							continue;
-						}
-						$rootEntry = $subCache->get('');
-					}
-
-					if ($rootEntry && ($rootEntry->getPermissions() && Constants::PERMISSION_READ)) {
-						$relativePath = trim(substr($mountPoint, $dirLength), '/');
-						if ($pos = strpos($relativePath, '/')) {
-							//mountpoint inside subfolder add size to the correct folder
-							$entryName = substr($relativePath, 0, $pos);
-							foreach ($files as &$entry) {
-								if ($entry->getName() === $entryName) {
-									$entry->addSubEntry($rootEntry, $mountPoint);
-								}
-							}
-						} else { //mountpoint in this folder, add an entry for it
-							$rootEntry['name'] = $relativePath;
-							$rootEntry['type'] = $rootEntry['mimetype'] === 'httpd/unix-directory' ? 'dir' : 'file';
-							$permissions = $rootEntry['permissions'];
-							// do not allow renaming/deleting the mount point if they are not shared files/folders
-							// for shared files/folders we use the permissions given by the owner
-							if ($mount instanceof MoveableMount) {
-								$rootEntry['permissions'] = $permissions | \OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE;
-							} else {
-								$rootEntry['permissions'] = $permissions & (\OCP\Constants::PERMISSION_ALL - (\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE));
-							}
-
-							$rootEntry['path'] = substr(Filesystem::normalizePath($path . '/' . $rootEntry['name']), strlen($user) + 2); // full path without /$user/
-
-							// if sharing was disabled for the user we remove the share permissions
-							if (\OCP\Util::isSharingDisabledForUser()) {
-								$rootEntry['permissions'] = $rootEntry['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
-							}
-
-							$owner = $this->getUserObjectForOwner($subStorage->getOwner(''));
-							$files[$rootEntry->getName()] = new FileInfo($path . '/' . $rootEntry['name'], $subStorage, '', $rootEntry, $mount, $owner);
-						}
-					}
-				}
-			}
-
-			if ($mimetype_filter) {
-				$files = array_filter($files, function (FileInfo $file) use ($mimetype_filter) {
-					if (strpos($mimetype_filter, '/')) {
-						return $file->getMimetype() === $mimetype_filter;
-					} else {
-						return $file->getMimePart() === $mimetype_filter;
-					}
-				});
-			}
-
-			return array_values($files);
-		} else {
-			return [];
-		}
-	}
-
-	/**
-	 * change file metadata
-	 *
-	 * @param string $path
-	 * @param array|\OCP\Files\FileInfo $data
-	 * @return int
-	 *
-	 * returns the fileid of the updated file
-	 */
-	public function putFileInfo($path, $data) {
-		$this->assertPathLength($path);
-		if ($data instanceof FileInfo) {
-			$data = $data->getData();
-		}
-		$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
-		/**
-		 * @var \OC\Files\Storage\Storage $storage
-		 * @var string $internalPath
-		 */
-		list($storage, $internalPath) = Filesystem::resolvePath($path);
-		if ($storage) {
-			$cache = $storage->getCache($path);
-
-			if (!$cache->inCache($internalPath)) {
-				$scanner = $storage->getScanner($internalPath);
-				$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
-			}
-
-			return $cache->put($internalPath, $data);
-		} else {
-			return -1;
-		}
-	}
-
-	/**
-	 * search for files with the name matching $query
-	 *
-	 * @param string $query
-	 * @return FileInfo[]
-	 */
-	public function search($query) {
-		return $this->searchCommon('search', ['%' . $query . '%']);
-	}
-
-	/**
-	 * search for files with the name matching $query
-	 *
-	 * @param string $query
-	 * @return FileInfo[]
-	 */
-	public function searchRaw($query) {
-		return $this->searchCommon('search', [$query]);
-	}
-
-	/**
-	 * search for files by mimetype
-	 *
-	 * @param string $mimetype
-	 * @return FileInfo[]
-	 */
-	public function searchByMime($mimetype) {
-		return $this->searchCommon('searchByMime', [$mimetype]);
-	}
-
-	/**
-	 * search for files by tag
-	 *
-	 * @param string|int $tag name or tag id
-	 * @param string $userId owner of the tags
-	 * @return FileInfo[]
-	 */
-	public function searchByTag($tag, $userId) {
-		return $this->searchCommon('searchByTag', [$tag, $userId]);
-	}
-
-	/**
-	 * @param string $method cache method
-	 * @param array $args
-	 * @return FileInfo[]
-	 */
-	private function searchCommon($method, $args) {
-		$files = [];
-		$rootLength = strlen($this->fakeRoot);
-
-		$mount = $this->getMount('');
-		$mountPoint = $mount->getMountPoint();
-		$storage = $mount->getStorage();
-		if ($storage) {
-			$cache = $storage->getCache('');
-
-			$results = call_user_func_array([$cache, $method], $args);
-			foreach ($results as $result) {
-				if (substr($mountPoint . $result['path'], 0, $rootLength + 1) === $this->fakeRoot . '/') {
-					$internalPath = $result['path'];
-					$path = $mountPoint . $result['path'];
-					$result['path'] = substr($mountPoint . $result['path'], $rootLength);
-					$owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
-					$files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
-				}
-			}
-
-			$mounts = Filesystem::getMountManager()->findIn($this->fakeRoot);
-			foreach ($mounts as $mount) {
-				$mountPoint = $mount->getMountPoint();
-				$storage = $mount->getStorage();
-				if ($storage) {
-					$cache = $storage->getCache('');
-
-					$relativeMountPoint = substr($mountPoint, $rootLength);
-					$results = call_user_func_array([$cache, $method], $args);
-					if ($results) {
-						foreach ($results as $result) {
-							$internalPath = $result['path'];
-							$result['path'] = rtrim($relativeMountPoint . $result['path'], '/');
-							$path = rtrim($mountPoint . $internalPath, '/');
-							$owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
-							$files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
-						}
-					}
-				}
-			}
-		}
-		return $files;
-	}
-
-	/**
-	 * Get the owner for a file or folder
-	 *
-	 * @param string $path
-	 * @return string the user id of the owner
-	 * @throws NotFoundException
-	 */
-	public function getOwner($path) {
-		$info = $this->getFileInfo($path);
-		if (!$info) {
-			throw new NotFoundException($path . ' not found while trying to get owner');
-		}
-
-		if ($info->getOwner() === null) {
-			throw new NotFoundException($path . ' has no owner');
-		}
-
-		return $info->getOwner()->getUID();
-	}
-
-	/**
-	 * get the ETag for a file or folder
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getETag($path) {
-		/**
-		 * @var Storage\Storage $storage
-		 * @var string $internalPath
-		 */
-		list($storage, $internalPath) = $this->resolvePath($path);
-		if ($storage) {
-			return $storage->getETag($internalPath);
-		} else {
-			return null;
-		}
-	}
-
-	/**
-	 * Get the path of a file by id, relative to the view
-	 *
-	 * Note that the resulting path is not guarantied to be unique for the id, multiple paths can point to the same file
-	 *
-	 * @param int $id
-	 * @throws NotFoundException
-	 * @return string
-	 */
-	public function getPath($id) {
-		$id = (int)$id;
-		$manager = Filesystem::getMountManager();
-		$mounts = $manager->findIn($this->fakeRoot);
-		$mounts[] = $manager->find($this->fakeRoot);
-		// reverse the array so we start with the storage this view is in
-		// which is the most likely to contain the file we're looking for
-		$mounts = array_reverse($mounts);
-
-		// put non shared mounts in front of the shared mount
-		// this prevent unneeded recursion into shares
-		usort($mounts, function (IMountPoint $a, IMountPoint $b) {
-			return $a instanceof SharedMount && (!$b instanceof SharedMount) ? 1 : -1;
-		});
-
-		foreach ($mounts as $mount) {
-			/**
-			 * @var \OC\Files\Mount\MountPoint $mount
-			 */
-			if ($mount->getStorage()) {
-				$cache = $mount->getStorage()->getCache();
-				$internalPath = $cache->getPathById($id);
-				if (is_string($internalPath)) {
-					$fullPath = $mount->getMountPoint() . $internalPath;
-					if (!is_null($path = $this->getRelativePath($fullPath))) {
-						return $path;
-					}
-				}
-			}
-		}
-		throw new NotFoundException(sprintf('File with id "%s" has not been found.', $id));
-	}
-
-	/**
-	 * @param string $path
-	 * @throws InvalidPathException
-	 */
-	private function assertPathLength($path) {
-		$maxLen = min(PHP_MAXPATHLEN, 4000);
-		// Check for the string length - performed using isset() instead of strlen()
-		// because isset() is about 5x-40x faster.
-		if (isset($path[$maxLen])) {
-			$pathLen = strlen($path);
-			throw new \OCP\Files\InvalidPathException("Path length($pathLen) exceeds max path length($maxLen): $path");
-		}
-	}
-
-	/**
-	 * check if it is allowed to move a mount point to a given target.
-	 * It is not allowed to move a mount point into a different mount point or
-	 * into an already shared folder
-	 *
-	 * @param IStorage $targetStorage
-	 * @param string $targetInternalPath
-	 * @return boolean
-	 */
-	private function targetIsNotShared(IStorage $targetStorage, string $targetInternalPath) {
-
-		// note: cannot use the view because the target is already locked
-		$fileId = (int)$targetStorage->getCache()->getId($targetInternalPath);
-		if ($fileId === -1) {
-			// target might not exist, need to check parent instead
-			$fileId = (int)$targetStorage->getCache()->getId(dirname($targetInternalPath));
-		}
-
-		// check if any of the parents were shared by the current owner (include collections)
-		$shares = \OCP\Share::getItemShared(
-			'folder',
-			$fileId,
-			\OCP\Share::FORMAT_NONE,
-			null,
-			true
-		);
-
-		if (count($shares) > 0) {
-			\OCP\Util::writeLog('files',
-				'It is not allowed to move one mount point into a shared folder',
-				ILogger::DEBUG);
-			return false;
-		}
-
-		return true;
-	}
-
-	/**
-	 * Get a fileinfo object for files that are ignored in the cache (part files)
-	 *
-	 * @param string $path
-	 * @return \OCP\Files\FileInfo
-	 */
-	private function getPartFileInfo($path) {
-		$mount = $this->getMount($path);
-		$storage = $mount->getStorage();
-		$internalPath = $mount->getInternalPath($this->getAbsolutePath($path));
-		$owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
-		return new FileInfo(
-			$this->getAbsolutePath($path),
-			$storage,
-			$internalPath,
-			[
-				'fileid' => null,
-				'mimetype' => $storage->getMimeType($internalPath),
-				'name' => basename($path),
-				'etag' => null,
-				'size' => $storage->filesize($internalPath),
-				'mtime' => $storage->filemtime($internalPath),
-				'encrypted' => false,
-				'permissions' => \OCP\Constants::PERMISSION_ALL
-			],
-			$mount,
-			$owner
-		);
-	}
-
-	/**
-	 * @param string $path
-	 * @param string $fileName
-	 * @throws InvalidPathException
-	 */
-	public function verifyPath($path, $fileName) {
-		try {
-			/** @type \OCP\Files\Storage $storage */
-			list($storage, $internalPath) = $this->resolvePath($path);
-			$storage->verifyPath($internalPath, $fileName);
-		} catch (ReservedWordException $ex) {
-			$l = \OC::$server->getL10N('lib');
-			throw new InvalidPathException($l->t('File name is a reserved word'));
-		} catch (InvalidCharacterInPathException $ex) {
-			$l = \OC::$server->getL10N('lib');
-			throw new InvalidPathException($l->t('File name contains at least one invalid character'));
-		} catch (FileNameTooLongException $ex) {
-			$l = \OC::$server->getL10N('lib');
-			throw new InvalidPathException($l->t('File name is too long'));
-		} catch (InvalidDirectoryException $ex) {
-			$l = \OC::$server->getL10N('lib');
-			throw new InvalidPathException($l->t('Dot files are not allowed'));
-		} catch (EmptyFileNameException $ex) {
-			$l = \OC::$server->getL10N('lib');
-			throw new InvalidPathException($l->t('Empty filename is not allowed'));
-		}
-	}
-
-	/**
-	 * get all parent folders of $path
-	 *
-	 * @param string $path
-	 * @return string[]
-	 */
-	private function getParents($path) {
-		$path = trim($path, '/');
-		if (!$path) {
-			return [];
-		}
-
-		$parts = explode('/', $path);
-
-		// remove the single file
-		array_pop($parts);
-		$result = ['/'];
-		$resultPath = '';
-		foreach ($parts as $part) {
-			if ($part) {
-				$resultPath .= '/' . $part;
-				$result[] = $resultPath;
-			}
-		}
-		return $result;
-	}
-
-	/**
-	 * Returns the mount point for which to lock
-	 *
-	 * @param string $absolutePath absolute path
-	 * @param bool $useParentMount true to return parent mount instead of whatever
-	 * is mounted directly on the given path, false otherwise
-	 * @return \OC\Files\Mount\MountPoint mount point for which to apply locks
-	 */
-	private function getMountForLock($absolutePath, $useParentMount = false) {
-		$results = [];
-		$mount = Filesystem::getMountManager()->find($absolutePath);
-		if (!$mount) {
-			return $results;
-		}
-
-		if ($useParentMount) {
-			// find out if something is mounted directly on the path
-			$internalPath = $mount->getInternalPath($absolutePath);
-			if ($internalPath === '') {
-				// resolve the parent mount instead
-				$mount = Filesystem::getMountManager()->find(dirname($absolutePath));
-			}
-		}
-
-		return $mount;
-	}
-
-	/**
-	 * Lock the given path
-	 *
-	 * @param string $path the path of the file to lock, relative to the view
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
-	 *
-	 * @return bool False if the path is excluded from locking, true otherwise
-	 * @throws LockedException if the path is already locked
-	 */
-	private function lockPath($path, $type, $lockMountPoint = false) {
-		$absolutePath = $this->getAbsolutePath($path);
-		$absolutePath = Filesystem::normalizePath($absolutePath);
-		if (!$this->shouldLockFile($absolutePath)) {
-			return false;
-		}
-
-		$mount = $this->getMountForLock($absolutePath, $lockMountPoint);
-		if ($mount) {
-			try {
-				$storage = $mount->getStorage();
-				if ($storage && $storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
-					$storage->acquireLock(
-						$mount->getInternalPath($absolutePath),
-						$type,
-						$this->lockingProvider
-					);
-				}
-			} catch (LockedException $e) {
-				// rethrow with the a human-readable path
-				throw new LockedException(
-					$this->getPathRelativeToFiles($absolutePath),
-					$e,
-					$e->getExistingLock()
-				);
-			}
-		}
-
-		return true;
-	}
-
-	/**
-	 * Change the lock type
-	 *
-	 * @param string $path the path of the file to lock, relative to the view
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
-	 *
-	 * @return bool False if the path is excluded from locking, true otherwise
-	 * @throws LockedException if the path is already locked
-	 */
-	public function changeLock($path, $type, $lockMountPoint = false) {
-		$path = Filesystem::normalizePath($path);
-		$absolutePath = $this->getAbsolutePath($path);
-		$absolutePath = Filesystem::normalizePath($absolutePath);
-		if (!$this->shouldLockFile($absolutePath)) {
-			return false;
-		}
-
-		$mount = $this->getMountForLock($absolutePath, $lockMountPoint);
-		if ($mount) {
-			try {
-				$storage = $mount->getStorage();
-				if ($storage && $storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
-					$storage->changeLock(
-						$mount->getInternalPath($absolutePath),
-						$type,
-						$this->lockingProvider
-					);
-				}
-			} catch (LockedException $e) {
-				try {
-					// rethrow with the a human-readable path
-					throw new LockedException(
-						$this->getPathRelativeToFiles($absolutePath),
-						$e,
-						$e->getExistingLock()
-					);
-				} catch (\InvalidArgumentException $ex) {
-					throw new LockedException(
-						$absolutePath,
-						$ex,
-						$e->getExistingLock()
-					);
-				}
-			}
-		}
-
-		return true;
-	}
-
-	/**
-	 * Unlock the given path
-	 *
-	 * @param string $path the path of the file to unlock, relative to the view
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
-	 *
-	 * @return bool False if the path is excluded from locking, true otherwise
-	 * @throws LockedException
-	 */
-	private function unlockPath($path, $type, $lockMountPoint = false) {
-		$absolutePath = $this->getAbsolutePath($path);
-		$absolutePath = Filesystem::normalizePath($absolutePath);
-		if (!$this->shouldLockFile($absolutePath)) {
-			return false;
-		}
-
-		$mount = $this->getMountForLock($absolutePath, $lockMountPoint);
-		if ($mount) {
-			$storage = $mount->getStorage();
-			if ($storage && $storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
-				$storage->releaseLock(
-					$mount->getInternalPath($absolutePath),
-					$type,
-					$this->lockingProvider
-				);
-			}
-		}
-
-		return true;
-	}
-
-	/**
-	 * Lock a path and all its parents up to the root of the view
-	 *
-	 * @param string $path the path of the file to lock relative to the view
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
-	 *
-	 * @return bool False if the path is excluded from locking, true otherwise
-	 * @throws LockedException
-	 */
-	public function lockFile($path, $type, $lockMountPoint = false) {
-		$absolutePath = $this->getAbsolutePath($path);
-		$absolutePath = Filesystem::normalizePath($absolutePath);
-		if (!$this->shouldLockFile($absolutePath)) {
-			return false;
-		}
-
-		$this->lockPath($path, $type, $lockMountPoint);
-
-		$parents = $this->getParents($path);
-		foreach ($parents as $parent) {
-			$this->lockPath($parent, ILockingProvider::LOCK_SHARED);
-		}
-
-		return true;
-	}
-
-	/**
-	 * Unlock a path and all its parents up to the root of the view
-	 *
-	 * @param string $path the path of the file to lock relative to the view
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
-	 *
-	 * @return bool False if the path is excluded from locking, true otherwise
-	 * @throws LockedException
-	 */
-	public function unlockFile($path, $type, $lockMountPoint = false) {
-		$absolutePath = $this->getAbsolutePath($path);
-		$absolutePath = Filesystem::normalizePath($absolutePath);
-		if (!$this->shouldLockFile($absolutePath)) {
-			return false;
-		}
-
-		$this->unlockPath($path, $type, $lockMountPoint);
-
-		$parents = $this->getParents($path);
-		foreach ($parents as $parent) {
-			$this->unlockPath($parent, ILockingProvider::LOCK_SHARED);
-		}
-
-		return true;
-	}
-
-	/**
-	 * Only lock files in data/user/files/
-	 *
-	 * @param string $path Absolute path to the file/folder we try to (un)lock
-	 * @return bool
-	 */
-	protected function shouldLockFile($path) {
-		$path = Filesystem::normalizePath($path);
-
-		$pathSegments = explode('/', $path);
-		if (isset($pathSegments[2])) {
-			// E.g.: /username/files/path-to-file
-			return ($pathSegments[2] === 'files') && (count($pathSegments) > 3);
-		}
-
-		return strpos($path, '/appdata_') !== 0;
-	}
-
-	/**
-	 * Shortens the given absolute path to be relative to
-	 * "$user/files".
-	 *
-	 * @param string $absolutePath absolute path which is under "files"
-	 *
-	 * @return string path relative to "files" with trimmed slashes or null
-	 * if the path was NOT relative to files
-	 *
-	 * @throws \InvalidArgumentException if the given path was not under "files"
-	 * @since 8.1.0
-	 */
-	public function getPathRelativeToFiles($absolutePath) {
-		$path = Filesystem::normalizePath($absolutePath);
-		$parts = explode('/', trim($path, '/'), 3);
-		// "$user", "files", "path/to/dir"
-		if (!isset($parts[1]) || $parts[1] !== 'files') {
-			$this->logger->error(
-				'$absolutePath must be relative to "files", value is "%s"',
-				[
-					$absolutePath
-				]
-			);
-			throw new \InvalidArgumentException('$absolutePath must be relative to "files"');
-		}
-		if (isset($parts[2])) {
-			return $parts[2];
-		}
-		return '';
-	}
-
-	/**
-	 * @param string $filename
-	 * @return array
-	 * @throws \OC\User\NoUserException
-	 * @throws NotFoundException
-	 */
-	public function getUidAndFilename($filename) {
-		$info = $this->getFileInfo($filename);
-		if (!$info instanceof \OCP\Files\FileInfo) {
-			throw new NotFoundException($this->getAbsolutePath($filename) . ' not found');
-		}
-		$uid = $info->getOwner()->getUID();
-		if ($uid != \OCP\User::getUser()) {
-			Filesystem::initMountPoints($uid);
-			$ownerView = new View('/' . $uid . '/files');
-			try {
-				$filename = $ownerView->getPath($info['fileid']);
-			} catch (NotFoundException $e) {
-				throw new NotFoundException('File with id ' . $info['fileid'] . ' not found for user ' . $uid);
-			}
-		}
-		return [$uid, $filename];
-	}
-
-	/**
-	 * Creates parent non-existing folders
-	 *
-	 * @param string $filePath
-	 * @return bool
-	 */
-	private function createParentDirectories($filePath) {
-		$directoryParts = explode('/', $filePath);
-		$directoryParts = array_filter($directoryParts);
-		foreach ($directoryParts as $key => $part) {
-			$currentPathElements = array_slice($directoryParts, 0, $key);
-			$currentPath = '/' . implode('/', $currentPathElements);
-			if ($this->is_file($currentPath)) {
-				return false;
-			}
-			if (!$this->file_exists($currentPath)) {
-				$this->mkdir($currentPath);
-			}
-		}
-
-		return true;
-	}
+    /** @var string */
+    private $fakeRoot = '';
+
+    /**
+     * @var \OCP\Lock\ILockingProvider
+     */
+    protected $lockingProvider;
+
+    private $lockingEnabled;
+
+    private $updaterEnabled = true;
+
+    /** @var \OC\User\Manager */
+    private $userManager;
+
+    /** @var \OCP\ILogger */
+    private $logger;
+
+    /**
+     * @param string $root
+     * @throws \Exception If $root contains an invalid path
+     */
+    public function __construct($root = '') {
+        if (is_null($root)) {
+            throw new \InvalidArgumentException('Root can\'t be null');
+        }
+        if (!Filesystem::isValidPath($root)) {
+            throw new \Exception();
+        }
+
+        $this->fakeRoot = $root;
+        $this->lockingProvider = \OC::$server->getLockingProvider();
+        $this->lockingEnabled = !($this->lockingProvider instanceof \OC\Lock\NoopLockingProvider);
+        $this->userManager = \OC::$server->getUserManager();
+        $this->logger = \OC::$server->getLogger();
+    }
+
+    public function getAbsolutePath($path = '/') {
+        if ($path === null) {
+            return null;
+        }
+        $this->assertPathLength($path);
+        if ($path === '') {
+            $path = '/';
+        }
+        if ($path[0] !== '/') {
+            $path = '/' . $path;
+        }
+        return $this->fakeRoot . $path;
+    }
+
+    /**
+     * change the root to a fake root
+     *
+     * @param string $fakeRoot
+     * @return boolean|null
+     */
+    public function chroot($fakeRoot) {
+        if (!$fakeRoot == '') {
+            if ($fakeRoot[0] !== '/') {
+                $fakeRoot = '/' . $fakeRoot;
+            }
+        }
+        $this->fakeRoot = $fakeRoot;
+    }
+
+    /**
+     * get the fake root
+     *
+     * @return string
+     */
+    public function getRoot() {
+        return $this->fakeRoot;
+    }
+
+    /**
+     * get path relative to the root of the view
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getRelativePath($path) {
+        $this->assertPathLength($path);
+        if ($this->fakeRoot == '') {
+            return $path;
+        }
+
+        if (rtrim($path, '/') === rtrim($this->fakeRoot, '/')) {
+            return '/';
+        }
+
+        // missing slashes can cause wrong matches!
+        $root = rtrim($this->fakeRoot, '/') . '/';
+
+        if (strpos($path, $root) !== 0) {
+            return null;
+        } else {
+            $path = substr($path, strlen($this->fakeRoot));
+            if (strlen($path) === 0) {
+                return '/';
+            } else {
+                return $path;
+            }
+        }
+    }
+
+    /**
+     * get the mountpoint of the storage object for a path
+     * ( note: because a storage is not always mounted inside the fakeroot, the
+     * returned mountpoint is relative to the absolute root of the filesystem
+     * and does not take the chroot into account )
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getMountPoint($path) {
+        return Filesystem::getMountPoint($this->getAbsolutePath($path));
+    }
+
+    /**
+     * get the mountpoint of the storage object for a path
+     * ( note: because a storage is not always mounted inside the fakeroot, the
+     * returned mountpoint is relative to the absolute root of the filesystem
+     * and does not take the chroot into account )
+     *
+     * @param string $path
+     * @return \OCP\Files\Mount\IMountPoint
+     */
+    public function getMount($path) {
+        return Filesystem::getMountManager()->find($this->getAbsolutePath($path));
+    }
+
+    /**
+     * resolve a path to a storage and internal path
+     *
+     * @param string $path
+     * @return array an array consisting of the storage and the internal path
+     */
+    public function resolvePath($path) {
+        $a = $this->getAbsolutePath($path);
+        $p = Filesystem::normalizePath($a);
+        return Filesystem::resolvePath($p);
+    }
+
+    /**
+     * return the path to a local version of the file
+     * we need this because we can't know if a file is stored local or not from
+     * outside the filestorage and for some purposes a local file is needed
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getLocalFile($path) {
+        $parent = substr($path, 0, strrpos($path, '/'));
+        $path = $this->getAbsolutePath($path);
+        list($storage, $internalPath) = Filesystem::resolvePath($path);
+        if (Filesystem::isValidPath($parent) and $storage) {
+            return $storage->getLocalFile($internalPath);
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * @param string $path
+     * @return string
+     */
+    public function getLocalFolder($path) {
+        $parent = substr($path, 0, strrpos($path, '/'));
+        $path = $this->getAbsolutePath($path);
+        list($storage, $internalPath) = Filesystem::resolvePath($path);
+        if (Filesystem::isValidPath($parent) and $storage) {
+            return $storage->getLocalFolder($internalPath);
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * the following functions operate with arguments and return values identical
+     * to those of their PHP built-in equivalents. Mostly they are merely wrappers
+     * for \OC\Files\Storage\Storage via basicOperation().
+     */
+    public function mkdir($path) {
+        return $this->basicOperation('mkdir', $path, ['create', 'write']);
+    }
+
+    /**
+     * remove mount point
+     *
+     * @param \OC\Files\Mount\MoveableMount $mount
+     * @param string $path relative to data/
+     * @return boolean
+     */
+    protected function removeMount($mount, $path) {
+        if ($mount instanceof MoveableMount) {
+            // cut of /user/files to get the relative path to data/user/files
+            $pathParts = explode('/', $path, 4);
+            $relPath = '/' . $pathParts[3];
+            $this->lockFile($relPath, ILockingProvider::LOCK_SHARED, true);
+            \OC_Hook::emit(
+                Filesystem::CLASSNAME, "umount",
+                [Filesystem::signal_param_path => $relPath]
+            );
+            $this->changeLock($relPath, ILockingProvider::LOCK_EXCLUSIVE, true);
+            $result = $mount->removeMount();
+            $this->changeLock($relPath, ILockingProvider::LOCK_SHARED, true);
+            if ($result) {
+                \OC_Hook::emit(
+                    Filesystem::CLASSNAME, "post_umount",
+                    [Filesystem::signal_param_path => $relPath]
+                );
+            }
+            $this->unlockFile($relPath, ILockingProvider::LOCK_SHARED, true);
+            return $result;
+        } else {
+            // do not allow deleting the storage's root / the mount point
+            // because for some storages it might delete the whole contents
+            // but isn't supposed to work that way
+            return false;
+        }
+    }
+
+    public function disableCacheUpdate() {
+        $this->updaterEnabled = false;
+    }
+
+    public function enableCacheUpdate() {
+        $this->updaterEnabled = true;
+    }
+
+    protected function writeUpdate(Storage $storage, $internalPath, $time = null) {
+        if ($this->updaterEnabled) {
+            if (is_null($time)) {
+                $time = time();
+            }
+            $storage->getUpdater()->update($internalPath, $time);
+        }
+    }
+
+    protected function removeUpdate(Storage $storage, $internalPath) {
+        if ($this->updaterEnabled) {
+            $storage->getUpdater()->remove($internalPath);
+        }
+    }
+
+    protected function renameUpdate(Storage $sourceStorage, Storage $targetStorage, $sourceInternalPath, $targetInternalPath) {
+        if ($this->updaterEnabled) {
+            $targetStorage->getUpdater()->renameFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+        }
+    }
+
+    /**
+     * @param string $path
+     * @return bool|mixed
+     */
+    public function rmdir($path) {
+        $absolutePath = $this->getAbsolutePath($path);
+        $mount = Filesystem::getMountManager()->find($absolutePath);
+        if ($mount->getInternalPath($absolutePath) === '') {
+            return $this->removeMount($mount, $absolutePath);
+        }
+        if ($this->is_dir($path)) {
+            $result = $this->basicOperation('rmdir', $path, ['delete']);
+        } else {
+            $result = false;
+        }
+
+        if (!$result && !$this->file_exists($path)) { //clear ghost files from the cache on delete
+            $storage = $mount->getStorage();
+            $internalPath = $mount->getInternalPath($absolutePath);
+            $storage->getUpdater()->remove($internalPath);
+        }
+        return $result;
+    }
+
+    /**
+     * @param string $path
+     * @return resource
+     */
+    public function opendir($path) {
+        return $this->basicOperation('opendir', $path, ['read']);
+    }
+
+    /**
+     * @param string $path
+     * @return bool|mixed
+     */
+    public function is_dir($path) {
+        if ($path == '/') {
+            return true;
+        }
+        return $this->basicOperation('is_dir', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return bool|mixed
+     */
+    public function is_file($path) {
+        if ($path == '/') {
+            return false;
+        }
+        return $this->basicOperation('is_file', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return mixed
+     */
+    public function stat($path) {
+        return $this->basicOperation('stat', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return mixed
+     */
+    public function filetype($path) {
+        return $this->basicOperation('filetype', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return mixed
+     */
+    public function filesize($path) {
+        return $this->basicOperation('filesize', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return bool|mixed
+     * @throws \OCP\Files\InvalidPathException
+     */
+    public function readfile($path) {
+        $this->assertPathLength($path);
+        @ob_end_clean();
+        $handle = $this->fopen($path, 'rb');
+        if ($handle) {
+            $chunkSize = 8192; // 8 kB chunks
+            while (!feof($handle)) {
+                echo fread($handle, $chunkSize);
+                flush();
+            }
+            fclose($handle);
+            return $this->filesize($path);
+        }
+        return false;
+    }
+
+    /**
+     * @param string $path
+     * @param int $from
+     * @param int $to
+     * @return bool|mixed
+     * @throws \OCP\Files\InvalidPathException
+     * @throws \OCP\Files\UnseekableException
+     */
+    public function readfilePart($path, $from, $to) {
+        $this->assertPathLength($path);
+        @ob_end_clean();
+        $handle = $this->fopen($path, 'rb');
+        if ($handle) {
+            $chunkSize = 8192; // 8 kB chunks
+            $startReading = true;
+
+            if ($from !== 0 && $from !== '0' && fseek($handle, $from) !== 0) {
+                // forward file handle via chunked fread because fseek seem to have failed
+
+                $end = $from + 1;
+                while (!feof($handle) && ftell($handle) < $end) {
+                    $len = $from - ftell($handle);
+                    if ($len > $chunkSize) {
+                        $len = $chunkSize;
+                    }
+                    $result = fread($handle, $len);
+
+                    if ($result === false) {
+                        $startReading = false;
+                        break;
+                    }
+                }
+            }
+
+            if ($startReading) {
+                $end = $to + 1;
+                while (!feof($handle) && ftell($handle) < $end) {
+                    $len = $end - ftell($handle);
+                    if ($len > $chunkSize) {
+                        $len = $chunkSize;
+                    }
+                    echo fread($handle, $len);
+                    flush();
+                }
+                return ftell($handle) - $from;
+            }
+
+            throw new \OCP\Files\UnseekableException('fseek error');
+        }
+        return false;
+    }
+
+    /**
+     * @param string $path
+     * @return mixed
+     */
+    public function isCreatable($path) {
+        return $this->basicOperation('isCreatable', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return mixed
+     */
+    public function isReadable($path) {
+        return $this->basicOperation('isReadable', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return mixed
+     */
+    public function isUpdatable($path) {
+        return $this->basicOperation('isUpdatable', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return bool|mixed
+     */
+    public function isDeletable($path) {
+        $absolutePath = $this->getAbsolutePath($path);
+        $mount = Filesystem::getMountManager()->find($absolutePath);
+        if ($mount->getInternalPath($absolutePath) === '') {
+            return $mount instanceof MoveableMount;
+        }
+        return $this->basicOperation('isDeletable', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return mixed
+     */
+    public function isSharable($path) {
+        return $this->basicOperation('isSharable', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return bool|mixed
+     */
+    public function file_exists($path) {
+        if ($path == '/') {
+            return true;
+        }
+        return $this->basicOperation('file_exists', $path);
+    }
+
+    /**
+     * @param string $path
+     * @return mixed
+     */
+    public function filemtime($path) {
+        return $this->basicOperation('filemtime', $path);
+    }
+
+    /**
+     * @param string $path
+     * @param int|string $mtime
+     * @return bool
+     */
+    public function touch($path, $mtime = null) {
+        if (!is_null($mtime) and !is_numeric($mtime)) {
+            $mtime = strtotime($mtime);
+        }
+
+        $hooks = ['touch'];
+
+        if (!$this->file_exists($path)) {
+            $hooks[] = 'create';
+            $hooks[] = 'write';
+        }
+        try {
+            $result = $this->basicOperation('touch', $path, $hooks, $mtime);
+        } catch (\Exception $e) {
+            $this->logger->logException($e, ['level' => ILogger::INFO, 'message' => 'Error while setting modified time']);
+            $result = false;
+        }
+        if (!$result) {
+            // If create file fails because of permissions on external storage like SMB folders,
+            // check file exists and return false if not.
+            if (!$this->file_exists($path)) {
+                return false;
+            }
+            if (is_null($mtime)) {
+                $mtime = time();
+            }
+            //if native touch fails, we emulate it by changing the mtime in the cache
+            $this->putFileInfo($path, ['mtime' => floor($mtime)]);
+        }
+        return true;
+    }
+
+    /**
+     * @param string $path
+     * @return mixed
+     * @throws LockedException
+     */
+    public function file_get_contents($path) {
+        return $this->basicOperation('file_get_contents', $path, ['read']);
+    }
+
+    /**
+     * @param bool $exists
+     * @param string $path
+     * @param bool $run
+     */
+    protected function emit_file_hooks_pre($exists, $path, &$run) {
+        if (!$exists) {
+            \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_create, [
+                Filesystem::signal_param_path => $this->getHookPath($path),
+                Filesystem::signal_param_run => &$run,
+            ]);
+        } else {
+            \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_update, [
+                Filesystem::signal_param_path => $this->getHookPath($path),
+                Filesystem::signal_param_run => &$run,
+            ]);
+        }
+        \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_write, [
+            Filesystem::signal_param_path => $this->getHookPath($path),
+            Filesystem::signal_param_run => &$run,
+        ]);
+    }
+
+    /**
+     * @param bool $exists
+     * @param string $path
+     */
+    protected function emit_file_hooks_post($exists, $path) {
+        if (!$exists) {
+            \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_create, [
+                Filesystem::signal_param_path => $this->getHookPath($path),
+            ]);
+        } else {
+            \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_update, [
+                Filesystem::signal_param_path => $this->getHookPath($path),
+            ]);
+        }
+        \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_write, [
+            Filesystem::signal_param_path => $this->getHookPath($path),
+        ]);
+    }
+
+    /**
+     * @param string $path
+     * @param string|resource $data
+     * @return bool|mixed
+     * @throws LockedException
+     */
+    public function file_put_contents($path, $data) {
+        if (is_resource($data)) { //not having to deal with streams in file_put_contents makes life easier
+            $absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
+            if (Filesystem::isValidPath($path)
+                and !Filesystem::isFileBlacklisted($path)
+            ) {
+                $path = $this->getRelativePath($absolutePath);
+
+                $this->lockFile($path, ILockingProvider::LOCK_SHARED);
+
+                $exists = $this->file_exists($path);
+                $run = true;
+                if ($this->shouldEmitHooks($path)) {
+                    $this->emit_file_hooks_pre($exists, $path, $run);
+                }
+                if (!$run) {
+                    $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
+                    return false;
+                }
+
+                $this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
+
+                /** @var \OC\Files\Storage\Storage $storage */
+                list($storage, $internalPath) = $this->resolvePath($path);
+                $target = $storage->fopen($internalPath, 'w');
+                if ($target) {
+                    list (, $result) = \OC_Helper::streamCopy($data, $target);
+                    fclose($target);
+                    fclose($data);
+
+                    $this->writeUpdate($storage, $internalPath);
+
+                    $this->changeLock($path, ILockingProvider::LOCK_SHARED);
+
+                    if ($this->shouldEmitHooks($path) && $result !== false) {
+                        $this->emit_file_hooks_post($exists, $path);
+                    }
+                    $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
+                    return $result;
+                } else {
+                    $this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
+                    return false;
+                }
+            } else {
+                return false;
+            }
+        } else {
+            $hooks = $this->file_exists($path) ? ['update', 'write'] : ['create', 'write'];
+            return $this->basicOperation('file_put_contents', $path, $hooks, $data);
+        }
+    }
+
+    /**
+     * @param string $path
+     * @return bool|mixed
+     */
+    public function unlink($path) {
+        if ($path === '' || $path === '/') {
+            // do not allow deleting the root
+            return false;
+        }
+        $postFix = (substr($path, -1) === '/') ? '/' : '';
+        $absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
+        $mount = Filesystem::getMountManager()->find($absolutePath . $postFix);
+        if ($mount and $mount->getInternalPath($absolutePath) === '') {
+            return $this->removeMount($mount, $absolutePath);
+        }
+        if ($this->is_dir($path)) {
+            $result = $this->basicOperation('rmdir', $path, ['delete']);
+        } else {
+            $result = $this->basicOperation('unlink', $path, ['delete']);
+        }
+        if (!$result && !$this->file_exists($path)) { //clear ghost files from the cache on delete
+            $storage = $mount->getStorage();
+            $internalPath = $mount->getInternalPath($absolutePath);
+            $storage->getUpdater()->remove($internalPath);
+            return true;
+        } else {
+            return $result;
+        }
+    }
+
+    /**
+     * @param string $directory
+     * @return bool|mixed
+     */
+    public function deleteAll($directory) {
+        return $this->rmdir($directory);
+    }
+
+    /**
+     * Rename/move a file or folder from the source path to target path.
+     *
+     * @param string $path1 source path
+     * @param string $path2 target path
+     *
+     * @return bool|mixed
+     * @throws LockedException
+     */
+    public function rename($path1, $path2) {
+        $absolutePath1 = Filesystem::normalizePath($this->getAbsolutePath($path1));
+        $absolutePath2 = Filesystem::normalizePath($this->getAbsolutePath($path2));
+        $result = false;
+        if (
+            Filesystem::isValidPath($path2)
+            and Filesystem::isValidPath($path1)
+            and !Filesystem::isFileBlacklisted($path2)
+        ) {
+            $path1 = $this->getRelativePath($absolutePath1);
+            $path2 = $this->getRelativePath($absolutePath2);
+            $exists = $this->file_exists($path2);
+
+            if ($path1 == null or $path2 == null) {
+                return false;
+            }
+
+            $this->lockFile($path1, ILockingProvider::LOCK_SHARED, true);
+            try {
+                $this->lockFile($path2, ILockingProvider::LOCK_SHARED, true);
+
+                $run = true;
+                if ($this->shouldEmitHooks($path1) && (Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2))) {
+                    // if it was a rename from a part file to a regular file it was a write and not a rename operation
+                    $this->emit_file_hooks_pre($exists, $path2, $run);
+                } elseif ($this->shouldEmitHooks($path1)) {
+                    \OC_Hook::emit(
+                        Filesystem::CLASSNAME, Filesystem::signal_rename,
+                        [
+                            Filesystem::signal_param_oldpath => $this->getHookPath($path1),
+                            Filesystem::signal_param_newpath => $this->getHookPath($path2),
+                            Filesystem::signal_param_run => &$run
+                        ]
+                    );
+                }
+                if ($run) {
+                    $this->verifyPath(dirname($path2), basename($path2));
+
+                    $manager = Filesystem::getMountManager();
+                    $mount1 = $this->getMount($path1);
+                    $mount2 = $this->getMount($path2);
+                    $storage1 = $mount1->getStorage();
+                    $storage2 = $mount2->getStorage();
+                    $internalPath1 = $mount1->getInternalPath($absolutePath1);
+                    $internalPath2 = $mount2->getInternalPath($absolutePath2);
+
+                    $this->changeLock($path1, ILockingProvider::LOCK_EXCLUSIVE, true);
+                    try {
+                        $this->changeLock($path2, ILockingProvider::LOCK_EXCLUSIVE, true);
+
+                        if ($internalPath1 === '') {
+                            if ($mount1 instanceof MoveableMount) {
+                                $sourceParentMount = $this->getMount(dirname($path1));
+                                if ($sourceParentMount === $mount2 && $this->targetIsNotShared($storage2, $internalPath2)) {
+                                    /**
+                                     * @var \OC\Files\Mount\MountPoint | \OC\Files\Mount\MoveableMount $mount1
+                                     */
+                                    $sourceMountPoint = $mount1->getMountPoint();
+                                    $result = $mount1->moveMount($absolutePath2);
+                                    $manager->moveMount($sourceMountPoint, $mount1->getMountPoint());
+                                } else {
+                                    $result = false;
+                                }
+                            } else {
+                                $result = false;
+                            }
+                            // moving a file/folder within the same mount point
+                        } elseif ($storage1 === $storage2) {
+                            if ($storage1) {
+                                $result = $storage1->rename($internalPath1, $internalPath2);
+                            } else {
+                                $result = false;
+                            }
+                            // moving a file/folder between storages (from $storage1 to $storage2)
+                        } else {
+                            $result = $storage2->moveFromStorage($storage1, $internalPath1, $internalPath2);
+                        }
+
+                        if ((Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2)) && $result !== false) {
+                            // if it was a rename from a part file to a regular file it was a write and not a rename operation
+                            $this->writeUpdate($storage2, $internalPath2);
+                        } else if ($result) {
+                            if ($internalPath1 !== '') { // don't do a cache update for moved mounts
+                                $this->renameUpdate($storage1, $storage2, $internalPath1, $internalPath2);
+                            }
+                        }
+                    } catch(\Exception $e) {
+                        throw $e;
+                    } finally {
+                        $this->changeLock($path1, ILockingProvider::LOCK_SHARED, true);
+                        $this->changeLock($path2, ILockingProvider::LOCK_SHARED, true);
+                    }
+
+                    if ((Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2)) && $result !== false) {
+                        if ($this->shouldEmitHooks()) {
+                            $this->emit_file_hooks_post($exists, $path2);
+                        }
+                    } elseif ($result) {
+                        if ($this->shouldEmitHooks($path1) and $this->shouldEmitHooks($path2)) {
+                            \OC_Hook::emit(
+                                Filesystem::CLASSNAME,
+                                Filesystem::signal_post_rename,
+                                [
+                                    Filesystem::signal_param_oldpath => $this->getHookPath($path1),
+                                    Filesystem::signal_param_newpath => $this->getHookPath($path2)
+                                ]
+                            );
+                        }
+                    }
+                }
+            } catch(\Exception $e) {
+                throw $e;
+            } finally {
+                $this->unlockFile($path1, ILockingProvider::LOCK_SHARED, true);
+                $this->unlockFile($path2, ILockingProvider::LOCK_SHARED, true);
+            }
+        }
+        return $result;
+    }
+
+    /**
+     * Copy a file/folder from the source path to target path
+     *
+     * @param string $path1 source path
+     * @param string $path2 target path
+     * @param bool $preserveMtime whether to preserve mtime on the copy
+     *
+     * @return bool|mixed
+     */
+    public function copy($path1, $path2, $preserveMtime = false) {
+        $absolutePath1 = Filesystem::normalizePath($this->getAbsolutePath($path1));
+        $absolutePath2 = Filesystem::normalizePath($this->getAbsolutePath($path2));
+        $result = false;
+        if (
+            Filesystem::isValidPath($path2)
+            and Filesystem::isValidPath($path1)
+            and !Filesystem::isFileBlacklisted($path2)
+        ) {
+            $path1 = $this->getRelativePath($absolutePath1);
+            $path2 = $this->getRelativePath($absolutePath2);
+
+            if ($path1 == null or $path2 == null) {
+                return false;
+            }
+            $run = true;
+
+            $this->lockFile($path2, ILockingProvider::LOCK_SHARED);
+            $this->lockFile($path1, ILockingProvider::LOCK_SHARED);
+            $lockTypePath1 = ILockingProvider::LOCK_SHARED;
+            $lockTypePath2 = ILockingProvider::LOCK_SHARED;
+
+            try {
+
+                $exists = $this->file_exists($path2);
+                if ($this->shouldEmitHooks()) {
+                    \OC_Hook::emit(
+                        Filesystem::CLASSNAME,
+                        Filesystem::signal_copy,
+                        [
+                            Filesystem::signal_param_oldpath => $this->getHookPath($path1),
+                            Filesystem::signal_param_newpath => $this->getHookPath($path2),
+                            Filesystem::signal_param_run => &$run
+                        ]
+                    );
+                    $this->emit_file_hooks_pre($exists, $path2, $run);
+                }
+                if ($run) {
+                    $mount1 = $this->getMount($path1);
+                    $mount2 = $this->getMount($path2);
+                    $storage1 = $mount1->getStorage();
+                    $internalPath1 = $mount1->getInternalPath($absolutePath1);
+                    $storage2 = $mount2->getStorage();
+                    $internalPath2 = $mount2->getInternalPath($absolutePath2);
+
+                    $this->changeLock($path2, ILockingProvider::LOCK_EXCLUSIVE);
+                    $lockTypePath2 = ILockingProvider::LOCK_EXCLUSIVE;
+
+                    if ($mount1->getMountPoint() == $mount2->getMountPoint()) {
+                        if ($storage1) {
+                            $result = $storage1->copy($internalPath1, $internalPath2);
+                        } else {
+                            $result = false;
+                        }
+                    } else {
+                        $result = $storage2->copyFromStorage($storage1, $internalPath1, $internalPath2);
+                    }
+
+                    $this->writeUpdate($storage2, $internalPath2);
+
+                    $this->changeLock($path2, ILockingProvider::LOCK_SHARED);
+                    $lockTypePath2 = ILockingProvider::LOCK_SHARED;
+
+                    if ($this->shouldEmitHooks() && $result !== false) {
+                        \OC_Hook::emit(
+                            Filesystem::CLASSNAME,
+                            Filesystem::signal_post_copy,
+                            [
+                                Filesystem::signal_param_oldpath => $this->getHookPath($path1),
+                                Filesystem::signal_param_newpath => $this->getHookPath($path2)
+                            ]
+                        );
+                        $this->emit_file_hooks_post($exists, $path2);
+                    }
+
+                }
+            } catch (\Exception $e) {
+                $this->unlockFile($path2, $lockTypePath2);
+                $this->unlockFile($path1, $lockTypePath1);
+                throw $e;
+            }
+
+            $this->unlockFile($path2, $lockTypePath2);
+            $this->unlockFile($path1, $lockTypePath1);
+
+        }
+        return $result;
+    }
+
+    /**
+     * @param string $path
+     * @param string $mode 'r' or 'w'
+     * @return resource
+     * @throws LockedException
+     */
+    public function fopen($path, $mode) {
+        $mode = str_replace('b', '', $mode); // the binary flag is a windows only feature which we do not support
+        $hooks = [];
+        switch ($mode) {
+            case 'r':
+                $hooks[] = 'read';
+                break;
+            case 'r+':
+            case 'w+':
+            case 'x+':
+            case 'a+':
+                $hooks[] = 'read';
+                $hooks[] = 'write';
+                break;
+            case 'w':
+            case 'x':
+            case 'a':
+                $hooks[] = 'write';
+                break;
+            default:
+                \OCP\Util::writeLog('core', 'invalid mode (' . $mode . ') for ' . $path, ILogger::ERROR);
+        }
+
+        if ($mode !== 'r' && $mode !== 'w') {
+            \OC::$server->getLogger()->info('Trying to open a file with a mode other than "r" or "w" can cause severe performance issues with some backends');
+        }
+
+        return $this->basicOperation('fopen', $path, $hooks, $mode);
+    }
+
+    /**
+     * @param string $path
+     * @return bool|string
+     * @throws \OCP\Files\InvalidPathException
+     */
+    public function toTmpFile($path) {
+        $this->assertPathLength($path);
+        if (Filesystem::isValidPath($path)) {
+            $source = $this->fopen($path, 'r');
+            if ($source) {
+                $extension = pathinfo($path, PATHINFO_EXTENSION);
+                $tmpFile = \OC::$server->getTempManager()->getTemporaryFile($extension);
+                file_put_contents($tmpFile, $source);
+                return $tmpFile;
+            } else {
+                return false;
+            }
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * @param string $tmpFile
+     * @param string $path
+     * @return bool|mixed
+     * @throws \OCP\Files\InvalidPathException
+     */
+    public function fromTmpFile($tmpFile, $path) {
+        $this->assertPathLength($path);
+        if (Filesystem::isValidPath($path)) {
+
+            // Get directory that the file is going into
+            $filePath = dirname($path);
+
+            // Create the directories if any
+            if (!$this->file_exists($filePath)) {
+                $result = $this->createParentDirectories($filePath);
+                if ($result === false) {
+                    return false;
+                }
+            }
+
+            $source = fopen($tmpFile, 'r');
+            if ($source) {
+                $result = $this->file_put_contents($path, $source);
+                // $this->file_put_contents() might have already closed
+                // the resource, so we check it, before trying to close it
+                // to avoid messages in the error log.
+                if (is_resource($source)) {
+                    fclose($source);
+                }
+                unlink($tmpFile);
+                return $result;
+            } else {
+                return false;
+            }
+        } else {
+            return false;
+        }
+    }
+
+
+    /**
+     * @param string $path
+     * @return mixed
+     * @throws \OCP\Files\InvalidPathException
+     */
+    public function getMimeType($path) {
+        $this->assertPathLength($path);
+        return $this->basicOperation('getMimeType', $path);
+    }
+
+    /**
+     * @param string $type
+     * @param string $path
+     * @param bool $raw
+     * @return bool|null|string
+     */
+    public function hash($type, $path, $raw = false) {
+        $postFix = (substr($path, -1) === '/') ? '/' : '';
+        $absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
+        if (Filesystem::isValidPath($path)) {
+            $path = $this->getRelativePath($absolutePath);
+            if ($path == null) {
+                return false;
+            }
+            if ($this->shouldEmitHooks($path)) {
+                \OC_Hook::emit(
+                    Filesystem::CLASSNAME,
+                    Filesystem::signal_read,
+                    [Filesystem::signal_param_path => $this->getHookPath($path)]
+                );
+            }
+            list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
+            if ($storage) {
+                return $storage->hash($type, $internalPath, $raw);
+            }
+        }
+        return null;
+    }
+
+    /**
+     * @param string $path
+     * @return mixed
+     * @throws \OCP\Files\InvalidPathException
+     */
+    public function free_space($path = '/') {
+        $this->assertPathLength($path);
+        $result = $this->basicOperation('free_space', $path);
+        if ($result === null) {
+            throw new InvalidPathException();
+        }
+        return $result;
+    }
+
+    /**
+     * abstraction layer for basic filesystem functions: wrapper for \OC\Files\Storage\Storage
+     *
+     * @param string $operation
+     * @param string $path
+     * @param array $hooks (optional)
+     * @param mixed $extraParam (optional)
+     * @return mixed
+     * @throws LockedException
+     *
+     * This method takes requests for basic filesystem functions (e.g. reading & writing
+     * files), processes hooks and proxies, sanitises paths, and finally passes them on to
+     * \OC\Files\Storage\Storage for delegation to a storage backend for execution
+     */
+    private function basicOperation($operation, $path, $hooks = [], $extraParam = null) {
+        $postFix = (substr($path, -1) === '/') ? '/' : '';
+        $absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
+        if (Filesystem::isValidPath($path)
+            and !Filesystem::isFileBlacklisted($path)
+        ) {
+            $path = $this->getRelativePath($absolutePath);
+            if ($path == null) {
+                return false;
+            }
+
+            if (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks)) {
+                // always a shared lock during pre-hooks so the hook can read the file
+                $this->lockFile($path, ILockingProvider::LOCK_SHARED);
+            }
+
+            $run = $this->runHooks($hooks, $path);
+            /** @var \OC\Files\Storage\Storage $storage */
+            list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
+            if ($run and $storage) {
+                if (in_array('write', $hooks) || in_array('delete', $hooks)) {
+                    try {
+                        $this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
+                    } catch (LockedException $e) {
+                        // release the shared lock we acquired before quiting
+                        $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
+                        throw $e;
+                    }
+                }
+                try {
+                    if (!is_null($extraParam)) {
+                        $result = $storage->$operation($internalPath, $extraParam);
+                    } else {
+                        $result = $storage->$operation($internalPath);
+                    }
+                } catch (\Exception $e) {
+                    if (in_array('write', $hooks) || in_array('delete', $hooks)) {
+                        $this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
+                    } else if (in_array('read', $hooks)) {
+                        $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
+                    }
+                    throw $e;
+                }
+
+                if ($result && in_array('delete', $hooks) and $result) {
+                    $this->removeUpdate($storage, $internalPath);
+                }
+                if ($result && in_array('write', $hooks,  true) && $operation !== 'fopen' && $operation !== 'touch') {
+                    $this->writeUpdate($storage, $internalPath);
+                }
+                if ($result && in_array('touch', $hooks)) {
+                    $this->writeUpdate($storage, $internalPath, $extraParam);
+                }
+
+                if ((in_array('write', $hooks) || in_array('delete', $hooks)) && ($operation !== 'fopen' || $result === false)) {
+                    $this->changeLock($path, ILockingProvider::LOCK_SHARED);
+                }
+
+                $unlockLater = false;
+                if ($this->lockingEnabled && $operation === 'fopen' && is_resource($result)) {
+                    $unlockLater = true;
+                    // make sure our unlocking callback will still be called if connection is aborted
+                    ignore_user_abort(true);
+                    $result = CallbackWrapper::wrap($result, null, null, function () use ($hooks, $path) {
+                        if (in_array('write', $hooks)) {
+                            $this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
+                        } else if (in_array('read', $hooks)) {
+                            $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
+                        }
+                    });
+                }
+
+                if ($this->shouldEmitHooks($path) && $result !== false) {
+                    if ($operation != 'fopen') { //no post hooks for fopen, the file stream is still open
+                        $this->runHooks($hooks, $path, true);
+                    }
+                }
+
+                if (!$unlockLater
+                    && (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks))
+                ) {
+                    $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
+                }
+                return $result;
+            } else {
+                $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
+            }
+        }
+        return null;
+    }
+
+    /**
+     * get the path relative to the default root for hook usage
+     *
+     * @param string $path
+     * @return string
+     */
+    private function getHookPath($path) {
+        if (!Filesystem::getView()) {
+            return $path;
+        }
+        return Filesystem::getView()->getRelativePath($this->getAbsolutePath($path));
+    }
+
+    private function shouldEmitHooks($path = '') {
+        if ($path && Cache\Scanner::isPartialFile($path)) {
+            return false;
+        }
+        if (!Filesystem::$loaded) {
+            return false;
+        }
+        $defaultRoot = Filesystem::getRoot();
+        if ($defaultRoot === null) {
+            return false;
+        }
+        if ($this->fakeRoot === $defaultRoot) {
+            return true;
+        }
+        $fullPath = $this->getAbsolutePath($path);
+
+        if ($fullPath === $defaultRoot) {
+            return true;
+        }
+
+        return (strlen($fullPath) > strlen($defaultRoot)) && (substr($fullPath, 0, strlen($defaultRoot) + 1) === $defaultRoot . '/');
+    }
+
+    /**
+     * @param string[] $hooks
+     * @param string $path
+     * @param bool $post
+     * @return bool
+     */
+    private function runHooks($hooks, $path, $post = false) {
+        $relativePath = $path;
+        $path = $this->getHookPath($path);
+        $prefix = $post ? 'post_' : '';
+        $run = true;
+        if ($this->shouldEmitHooks($relativePath)) {
+            foreach ($hooks as $hook) {
+                if ($hook != 'read') {
+                    \OC_Hook::emit(
+                        Filesystem::CLASSNAME,
+                        $prefix . $hook,
+                        [
+                            Filesystem::signal_param_run => &$run,
+                            Filesystem::signal_param_path => $path
+                        ]
+                    );
+                } elseif (!$post) {
+                    \OC_Hook::emit(
+                        Filesystem::CLASSNAME,
+                        $prefix . $hook,
+                        [
+                            Filesystem::signal_param_path => $path
+                        ]
+                    );
+                }
+            }
+        }
+        return $run;
+    }
+
+    /**
+     * check if a file or folder has been updated since $time
+     *
+     * @param string $path
+     * @param int $time
+     * @return bool
+     */
+    public function hasUpdated($path, $time) {
+        return $this->basicOperation('hasUpdated', $path, [], $time);
+    }
+
+    /**
+     * @param string $ownerId
+     * @return \OC\User\User
+     */
+    private function getUserObjectForOwner($ownerId) {
+        $owner = $this->userManager->get($ownerId);
+        if ($owner instanceof IUser) {
+            return $owner;
+        } else {
+            return new User($ownerId, null, \OC::$server->getEventDispatcher());
+        }
+    }
+
+    /**
+     * Get file info from cache
+     *
+     * If the file is not in cached it will be scanned
+     * If the file has changed on storage the cache will be updated
+     *
+     * @param \OC\Files\Storage\Storage $storage
+     * @param string $internalPath
+     * @param string $relativePath
+     * @return ICacheEntry|bool
+     */
+    private function getCacheEntry($storage, $internalPath, $relativePath) {
+        $cache = $storage->getCache($internalPath);
+        $data = $cache->get($internalPath);
+        $watcher = $storage->getWatcher($internalPath);
+
+        try {
+            // if the file is not in the cache or needs to be updated, trigger the scanner and reload the data
+            if (!$data || $data['size'] === -1) {
+                if (!$storage->file_exists($internalPath)) {
+                    return false;
+                }
+                // don't need to get a lock here since the scanner does it's own locking
+                $scanner = $storage->getScanner($internalPath);
+                $scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
+                $data = $cache->get($internalPath);
+            } else if (!Cache\Scanner::isPartialFile($internalPath) && $watcher->needsUpdate($internalPath, $data)) {
+                $this->lockFile($relativePath, ILockingProvider::LOCK_SHARED);
+                $watcher->update($internalPath, $data);
+                $storage->getPropagator()->propagateChange($internalPath, time());
+                $data = $cache->get($internalPath);
+                $this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
+            }
+        } catch (LockedException $e) {
+            // if the file is locked we just use the old cache info
+        }
+
+        return $data;
+    }
+
+    /**
+     * get the filesystem info
+     *
+     * @param string $path
+     * @param boolean|string $includeMountPoints true to add mountpoint sizes,
+     * 'ext' to add only ext storage mount point sizes. Defaults to true.
+     * defaults to true
+     * @return \OC\Files\FileInfo|false False if file does not exist
+     */
+    public function getFileInfo($path, $includeMountPoints = true) {
+        $this->assertPathLength($path);
+        if (!Filesystem::isValidPath($path)) {
+            return false;
+        }
+        if (Cache\Scanner::isPartialFile($path)) {
+            return $this->getPartFileInfo($path);
+        }
+        $relativePath = $path;
+        $path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
+
+        $mount = Filesystem::getMountManager()->find($path);
+        if (!$mount) {
+            \OC::$server->getLogger()->warning('Mountpoint not found for path: ' . $path);
+            return false;
+        }
+        $storage = $mount->getStorage();
+        $internalPath = $mount->getInternalPath($path);
+        if ($storage) {
+            $data = $this->getCacheEntry($storage, $internalPath, $relativePath);
+
+            if (!$data instanceof ICacheEntry) {
+                return false;
+            }
+
+            if ($mount instanceof MoveableMount && $internalPath === '') {
+                $data['permissions'] |= \OCP\Constants::PERMISSION_DELETE;
+            }
+            $ownerId = $storage->getOwner($internalPath);
+            $owner = null;
+            if ($ownerId !== null && $ownerId !== false) {
+                // ownerId might be null if files are accessed with an access token without file system access
+                $owner = $this->getUserObjectForOwner($ownerId);
+            }
+            $info = new FileInfo($path, $storage, $internalPath, $data, $mount, $owner);
+
+            if ($data and isset($data['fileid'])) {
+                if ($includeMountPoints and $data['mimetype'] === 'httpd/unix-directory') {
+                    //add the sizes of other mount points to the folder
+                    $extOnly = ($includeMountPoints === 'ext');
+                    $mounts = Filesystem::getMountManager()->findIn($path);
+                    $info->setSubMounts(array_filter($mounts, function (IMountPoint $mount) use ($extOnly) {
+                        $subStorage = $mount->getStorage();
+                        return !($extOnly && $subStorage instanceof \OCA\Files_Sharing\SharedStorage);
+                    }));
+                }
+            }
+
+            return $info;
+        } else {
+            \OC::$server->getLogger()->warning('Storage not valid for mountpoint: ' . $mount->getMountPoint());
+        }
+
+        return false;
+    }
+
+    /**
+     * get the content of a directory
+     *
+     * @param string $directory path under datadirectory
+     * @param string $mimetype_filter limit returned content to this mimetype or mimepart
+     * @return FileInfo[]
+     */
+    public function getDirectoryContent($directory, $mimetype_filter = '') {
+        $this->assertPathLength($directory);
+        if (!Filesystem::isValidPath($directory)) {
+            return [];
+        }
+        $path = $this->getAbsolutePath($directory);
+        $path = Filesystem::normalizePath($path);
+        $mount = $this->getMount($directory);
+        if (!$mount) {
+            return [];
+        }
+        $storage = $mount->getStorage();
+        $internalPath = $mount->getInternalPath($path);
+        if ($storage) {
+            $cache = $storage->getCache($internalPath);
+            $user = \OC_User::getUser();
+
+            $data = $this->getCacheEntry($storage, $internalPath, $directory);
+
+            if (!$data instanceof ICacheEntry || !isset($data['fileid']) || !($data->getPermissions() && Constants::PERMISSION_READ)) {
+                return [];
+            }
+
+            $folderId = $data['fileid'];
+            $contents = $cache->getFolderContentsById($folderId); //TODO: mimetype_filter
+
+            $sharingDisabled = \OCP\Util::isSharingDisabledForUser();
+
+            $fileNames = array_map(function (ICacheEntry $content) {
+                return $content->getName();
+            }, $contents);
+            /**
+             * @var \OC\Files\FileInfo[] $fileInfos
+             */
+            $fileInfos = array_map(function (ICacheEntry $content) use ($path, $storage, $mount, $sharingDisabled) {
+                if ($sharingDisabled) {
+                    $content['permissions'] = $content['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
+                }
+                $owner = $this->getUserObjectForOwner($storage->getOwner($content['path']));
+                return new FileInfo($path . '/' . $content['name'], $storage, $content['path'], $content, $mount, $owner);
+            }, $contents);
+            $files = array_combine($fileNames, $fileInfos);
+
+            //add a folder for any mountpoint in this directory and add the sizes of other mountpoints to the folders
+            $mounts = Filesystem::getMountManager()->findIn($path);
+            $dirLength = strlen($path);
+            foreach ($mounts as $mount) {
+                $mountPoint = $mount->getMountPoint();
+                $subStorage = $mount->getStorage();
+                if ($subStorage) {
+                    $subCache = $subStorage->getCache('');
+
+                    $rootEntry = $subCache->get('');
+                    if (!$rootEntry) {
+                        $subScanner = $subStorage->getScanner('');
+                        try {
+                            $subScanner->scanFile('');
+                        } catch (\OCP\Files\StorageNotAvailableException $e) {
+                            continue;
+                        } catch (\OCP\Files\StorageInvalidException $e) {
+                            continue;
+                        } catch (\Exception $e) {
+                            // sometimes when the storage is not available it can be any exception
+                            \OC::$server->getLogger()->logException($e, [
+                                'message' => 'Exception while scanning storage "' . $subStorage->getId() . '"',
+                                'level' => ILogger::ERROR,
+                                'app' => 'lib',
+                            ]);
+                            continue;
+                        }
+                        $rootEntry = $subCache->get('');
+                    }
+
+                    if ($rootEntry && ($rootEntry->getPermissions() && Constants::PERMISSION_READ)) {
+                        $relativePath = trim(substr($mountPoint, $dirLength), '/');
+                        if ($pos = strpos($relativePath, '/')) {
+                            //mountpoint inside subfolder add size to the correct folder
+                            $entryName = substr($relativePath, 0, $pos);
+                            foreach ($files as &$entry) {
+                                if ($entry->getName() === $entryName) {
+                                    $entry->addSubEntry($rootEntry, $mountPoint);
+                                }
+                            }
+                        } else { //mountpoint in this folder, add an entry for it
+                            $rootEntry['name'] = $relativePath;
+                            $rootEntry['type'] = $rootEntry['mimetype'] === 'httpd/unix-directory' ? 'dir' : 'file';
+                            $permissions = $rootEntry['permissions'];
+                            // do not allow renaming/deleting the mount point if they are not shared files/folders
+                            // for shared files/folders we use the permissions given by the owner
+                            if ($mount instanceof MoveableMount) {
+                                $rootEntry['permissions'] = $permissions | \OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE;
+                            } else {
+                                $rootEntry['permissions'] = $permissions & (\OCP\Constants::PERMISSION_ALL - (\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE));
+                            }
+
+                            $rootEntry['path'] = substr(Filesystem::normalizePath($path . '/' . $rootEntry['name']), strlen($user) + 2); // full path without /$user/
+
+                            // if sharing was disabled for the user we remove the share permissions
+                            if (\OCP\Util::isSharingDisabledForUser()) {
+                                $rootEntry['permissions'] = $rootEntry['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
+                            }
+
+                            $owner = $this->getUserObjectForOwner($subStorage->getOwner(''));
+                            $files[$rootEntry->getName()] = new FileInfo($path . '/' . $rootEntry['name'], $subStorage, '', $rootEntry, $mount, $owner);
+                        }
+                    }
+                }
+            }
+
+            if ($mimetype_filter) {
+                $files = array_filter($files, function (FileInfo $file) use ($mimetype_filter) {
+                    if (strpos($mimetype_filter, '/')) {
+                        return $file->getMimetype() === $mimetype_filter;
+                    } else {
+                        return $file->getMimePart() === $mimetype_filter;
+                    }
+                });
+            }
+
+            return array_values($files);
+        } else {
+            return [];
+        }
+    }
+
+    /**
+     * change file metadata
+     *
+     * @param string $path
+     * @param array|\OCP\Files\FileInfo $data
+     * @return int
+     *
+     * returns the fileid of the updated file
+     */
+    public function putFileInfo($path, $data) {
+        $this->assertPathLength($path);
+        if ($data instanceof FileInfo) {
+            $data = $data->getData();
+        }
+        $path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
+        /**
+         * @var \OC\Files\Storage\Storage $storage
+         * @var string $internalPath
+         */
+        list($storage, $internalPath) = Filesystem::resolvePath($path);
+        if ($storage) {
+            $cache = $storage->getCache($path);
+
+            if (!$cache->inCache($internalPath)) {
+                $scanner = $storage->getScanner($internalPath);
+                $scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
+            }
+
+            return $cache->put($internalPath, $data);
+        } else {
+            return -1;
+        }
+    }
+
+    /**
+     * search for files with the name matching $query
+     *
+     * @param string $query
+     * @return FileInfo[]
+     */
+    public function search($query) {
+        return $this->searchCommon('search', ['%' . $query . '%']);
+    }
+
+    /**
+     * search for files with the name matching $query
+     *
+     * @param string $query
+     * @return FileInfo[]
+     */
+    public function searchRaw($query) {
+        return $this->searchCommon('search', [$query]);
+    }
+
+    /**
+     * search for files by mimetype
+     *
+     * @param string $mimetype
+     * @return FileInfo[]
+     */
+    public function searchByMime($mimetype) {
+        return $this->searchCommon('searchByMime', [$mimetype]);
+    }
+
+    /**
+     * search for files by tag
+     *
+     * @param string|int $tag name or tag id
+     * @param string $userId owner of the tags
+     * @return FileInfo[]
+     */
+    public function searchByTag($tag, $userId) {
+        return $this->searchCommon('searchByTag', [$tag, $userId]);
+    }
+
+    /**
+     * @param string $method cache method
+     * @param array $args
+     * @return FileInfo[]
+     */
+    private function searchCommon($method, $args) {
+        $files = [];
+        $rootLength = strlen($this->fakeRoot);
+
+        $mount = $this->getMount('');
+        $mountPoint = $mount->getMountPoint();
+        $storage = $mount->getStorage();
+        if ($storage) {
+            $cache = $storage->getCache('');
+
+            $results = call_user_func_array([$cache, $method], $args);
+            foreach ($results as $result) {
+                if (substr($mountPoint . $result['path'], 0, $rootLength + 1) === $this->fakeRoot . '/') {
+                    $internalPath = $result['path'];
+                    $path = $mountPoint . $result['path'];
+                    $result['path'] = substr($mountPoint . $result['path'], $rootLength);
+                    $owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
+                    $files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
+                }
+            }
+
+            $mounts = Filesystem::getMountManager()->findIn($this->fakeRoot);
+            foreach ($mounts as $mount) {
+                $mountPoint = $mount->getMountPoint();
+                $storage = $mount->getStorage();
+                if ($storage) {
+                    $cache = $storage->getCache('');
+
+                    $relativeMountPoint = substr($mountPoint, $rootLength);
+                    $results = call_user_func_array([$cache, $method], $args);
+                    if ($results) {
+                        foreach ($results as $result) {
+                            $internalPath = $result['path'];
+                            $result['path'] = rtrim($relativeMountPoint . $result['path'], '/');
+                            $path = rtrim($mountPoint . $internalPath, '/');
+                            $owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
+                            $files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
+                        }
+                    }
+                }
+            }
+        }
+        return $files;
+    }
+
+    /**
+     * Get the owner for a file or folder
+     *
+     * @param string $path
+     * @return string the user id of the owner
+     * @throws NotFoundException
+     */
+    public function getOwner($path) {
+        $info = $this->getFileInfo($path);
+        if (!$info) {
+            throw new NotFoundException($path . ' not found while trying to get owner');
+        }
+
+        if ($info->getOwner() === null) {
+            throw new NotFoundException($path . ' has no owner');
+        }
+
+        return $info->getOwner()->getUID();
+    }
+
+    /**
+     * get the ETag for a file or folder
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getETag($path) {
+        /**
+         * @var Storage\Storage $storage
+         * @var string $internalPath
+         */
+        list($storage, $internalPath) = $this->resolvePath($path);
+        if ($storage) {
+            return $storage->getETag($internalPath);
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Get the path of a file by id, relative to the view
+     *
+     * Note that the resulting path is not guarantied to be unique for the id, multiple paths can point to the same file
+     *
+     * @param int $id
+     * @throws NotFoundException
+     * @return string
+     */
+    public function getPath($id) {
+        $id = (int)$id;
+        $manager = Filesystem::getMountManager();
+        $mounts = $manager->findIn($this->fakeRoot);
+        $mounts[] = $manager->find($this->fakeRoot);
+        // reverse the array so we start with the storage this view is in
+        // which is the most likely to contain the file we're looking for
+        $mounts = array_reverse($mounts);
+
+        // put non shared mounts in front of the shared mount
+        // this prevent unneeded recursion into shares
+        usort($mounts, function (IMountPoint $a, IMountPoint $b) {
+            return $a instanceof SharedMount && (!$b instanceof SharedMount) ? 1 : -1;
+        });
+
+        foreach ($mounts as $mount) {
+            /**
+             * @var \OC\Files\Mount\MountPoint $mount
+             */
+            if ($mount->getStorage()) {
+                $cache = $mount->getStorage()->getCache();
+                $internalPath = $cache->getPathById($id);
+                if (is_string($internalPath)) {
+                    $fullPath = $mount->getMountPoint() . $internalPath;
+                    if (!is_null($path = $this->getRelativePath($fullPath))) {
+                        return $path;
+                    }
+                }
+            }
+        }
+        throw new NotFoundException(sprintf('File with id "%s" has not been found.', $id));
+    }
+
+    /**
+     * @param string $path
+     * @throws InvalidPathException
+     */
+    private function assertPathLength($path) {
+        $maxLen = min(PHP_MAXPATHLEN, 4000);
+        // Check for the string length - performed using isset() instead of strlen()
+        // because isset() is about 5x-40x faster.
+        if (isset($path[$maxLen])) {
+            $pathLen = strlen($path);
+            throw new \OCP\Files\InvalidPathException("Path length($pathLen) exceeds max path length($maxLen): $path");
+        }
+    }
+
+    /**
+     * check if it is allowed to move a mount point to a given target.
+     * It is not allowed to move a mount point into a different mount point or
+     * into an already shared folder
+     *
+     * @param IStorage $targetStorage
+     * @param string $targetInternalPath
+     * @return boolean
+     */
+    private function targetIsNotShared(IStorage $targetStorage, string $targetInternalPath) {
+
+        // note: cannot use the view because the target is already locked
+        $fileId = (int)$targetStorage->getCache()->getId($targetInternalPath);
+        if ($fileId === -1) {
+            // target might not exist, need to check parent instead
+            $fileId = (int)$targetStorage->getCache()->getId(dirname($targetInternalPath));
+        }
+
+        // check if any of the parents were shared by the current owner (include collections)
+        $shares = \OCP\Share::getItemShared(
+            'folder',
+            $fileId,
+            \OCP\Share::FORMAT_NONE,
+            null,
+            true
+        );
+
+        if (count($shares) > 0) {
+            \OCP\Util::writeLog('files',
+                'It is not allowed to move one mount point into a shared folder',
+                ILogger::DEBUG);
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Get a fileinfo object for files that are ignored in the cache (part files)
+     *
+     * @param string $path
+     * @return \OCP\Files\FileInfo
+     */
+    private function getPartFileInfo($path) {
+        $mount = $this->getMount($path);
+        $storage = $mount->getStorage();
+        $internalPath = $mount->getInternalPath($this->getAbsolutePath($path));
+        $owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
+        return new FileInfo(
+            $this->getAbsolutePath($path),
+            $storage,
+            $internalPath,
+            [
+                'fileid' => null,
+                'mimetype' => $storage->getMimeType($internalPath),
+                'name' => basename($path),
+                'etag' => null,
+                'size' => $storage->filesize($internalPath),
+                'mtime' => $storage->filemtime($internalPath),
+                'encrypted' => false,
+                'permissions' => \OCP\Constants::PERMISSION_ALL
+            ],
+            $mount,
+            $owner
+        );
+    }
+
+    /**
+     * @param string $path
+     * @param string $fileName
+     * @throws InvalidPathException
+     */
+    public function verifyPath($path, $fileName) {
+        try {
+            /** @type \OCP\Files\Storage $storage */
+            list($storage, $internalPath) = $this->resolvePath($path);
+            $storage->verifyPath($internalPath, $fileName);
+        } catch (ReservedWordException $ex) {
+            $l = \OC::$server->getL10N('lib');
+            throw new InvalidPathException($l->t('File name is a reserved word'));
+        } catch (InvalidCharacterInPathException $ex) {
+            $l = \OC::$server->getL10N('lib');
+            throw new InvalidPathException($l->t('File name contains at least one invalid character'));
+        } catch (FileNameTooLongException $ex) {
+            $l = \OC::$server->getL10N('lib');
+            throw new InvalidPathException($l->t('File name is too long'));
+        } catch (InvalidDirectoryException $ex) {
+            $l = \OC::$server->getL10N('lib');
+            throw new InvalidPathException($l->t('Dot files are not allowed'));
+        } catch (EmptyFileNameException $ex) {
+            $l = \OC::$server->getL10N('lib');
+            throw new InvalidPathException($l->t('Empty filename is not allowed'));
+        }
+    }
+
+    /**
+     * get all parent folders of $path
+     *
+     * @param string $path
+     * @return string[]
+     */
+    private function getParents($path) {
+        $path = trim($path, '/');
+        if (!$path) {
+            return [];
+        }
+
+        $parts = explode('/', $path);
+
+        // remove the single file
+        array_pop($parts);
+        $result = ['/'];
+        $resultPath = '';
+        foreach ($parts as $part) {
+            if ($part) {
+                $resultPath .= '/' . $part;
+                $result[] = $resultPath;
+            }
+        }
+        return $result;
+    }
+
+    /**
+     * Returns the mount point for which to lock
+     *
+     * @param string $absolutePath absolute path
+     * @param bool $useParentMount true to return parent mount instead of whatever
+     * is mounted directly on the given path, false otherwise
+     * @return \OC\Files\Mount\MountPoint mount point for which to apply locks
+     */
+    private function getMountForLock($absolutePath, $useParentMount = false) {
+        $results = [];
+        $mount = Filesystem::getMountManager()->find($absolutePath);
+        if (!$mount) {
+            return $results;
+        }
+
+        if ($useParentMount) {
+            // find out if something is mounted directly on the path
+            $internalPath = $mount->getInternalPath($absolutePath);
+            if ($internalPath === '') {
+                // resolve the parent mount instead
+                $mount = Filesystem::getMountManager()->find(dirname($absolutePath));
+            }
+        }
+
+        return $mount;
+    }
+
+    /**
+     * Lock the given path
+     *
+     * @param string $path the path of the file to lock, relative to the view
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
+     *
+     * @return bool False if the path is excluded from locking, true otherwise
+     * @throws LockedException if the path is already locked
+     */
+    private function lockPath($path, $type, $lockMountPoint = false) {
+        $absolutePath = $this->getAbsolutePath($path);
+        $absolutePath = Filesystem::normalizePath($absolutePath);
+        if (!$this->shouldLockFile($absolutePath)) {
+            return false;
+        }
+
+        $mount = $this->getMountForLock($absolutePath, $lockMountPoint);
+        if ($mount) {
+            try {
+                $storage = $mount->getStorage();
+                if ($storage && $storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
+                    $storage->acquireLock(
+                        $mount->getInternalPath($absolutePath),
+                        $type,
+                        $this->lockingProvider
+                    );
+                }
+            } catch (LockedException $e) {
+                // rethrow with the a human-readable path
+                throw new LockedException(
+                    $this->getPathRelativeToFiles($absolutePath),
+                    $e,
+                    $e->getExistingLock()
+                );
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Change the lock type
+     *
+     * @param string $path the path of the file to lock, relative to the view
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
+     *
+     * @return bool False if the path is excluded from locking, true otherwise
+     * @throws LockedException if the path is already locked
+     */
+    public function changeLock($path, $type, $lockMountPoint = false) {
+        $path = Filesystem::normalizePath($path);
+        $absolutePath = $this->getAbsolutePath($path);
+        $absolutePath = Filesystem::normalizePath($absolutePath);
+        if (!$this->shouldLockFile($absolutePath)) {
+            return false;
+        }
+
+        $mount = $this->getMountForLock($absolutePath, $lockMountPoint);
+        if ($mount) {
+            try {
+                $storage = $mount->getStorage();
+                if ($storage && $storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
+                    $storage->changeLock(
+                        $mount->getInternalPath($absolutePath),
+                        $type,
+                        $this->lockingProvider
+                    );
+                }
+            } catch (LockedException $e) {
+                try {
+                    // rethrow with the a human-readable path
+                    throw new LockedException(
+                        $this->getPathRelativeToFiles($absolutePath),
+                        $e,
+                        $e->getExistingLock()
+                    );
+                } catch (\InvalidArgumentException $ex) {
+                    throw new LockedException(
+                        $absolutePath,
+                        $ex,
+                        $e->getExistingLock()
+                    );
+                }
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Unlock the given path
+     *
+     * @param string $path the path of the file to unlock, relative to the view
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
+     *
+     * @return bool False if the path is excluded from locking, true otherwise
+     * @throws LockedException
+     */
+    private function unlockPath($path, $type, $lockMountPoint = false) {
+        $absolutePath = $this->getAbsolutePath($path);
+        $absolutePath = Filesystem::normalizePath($absolutePath);
+        if (!$this->shouldLockFile($absolutePath)) {
+            return false;
+        }
+
+        $mount = $this->getMountForLock($absolutePath, $lockMountPoint);
+        if ($mount) {
+            $storage = $mount->getStorage();
+            if ($storage && $storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
+                $storage->releaseLock(
+                    $mount->getInternalPath($absolutePath),
+                    $type,
+                    $this->lockingProvider
+                );
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Lock a path and all its parents up to the root of the view
+     *
+     * @param string $path the path of the file to lock relative to the view
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
+     *
+     * @return bool False if the path is excluded from locking, true otherwise
+     * @throws LockedException
+     */
+    public function lockFile($path, $type, $lockMountPoint = false) {
+        $absolutePath = $this->getAbsolutePath($path);
+        $absolutePath = Filesystem::normalizePath($absolutePath);
+        if (!$this->shouldLockFile($absolutePath)) {
+            return false;
+        }
+
+        $this->lockPath($path, $type, $lockMountPoint);
+
+        $parents = $this->getParents($path);
+        foreach ($parents as $parent) {
+            $this->lockPath($parent, ILockingProvider::LOCK_SHARED);
+        }
+
+        return true;
+    }
+
+    /**
+     * Unlock a path and all its parents up to the root of the view
+     *
+     * @param string $path the path of the file to lock relative to the view
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
+     *
+     * @return bool False if the path is excluded from locking, true otherwise
+     * @throws LockedException
+     */
+    public function unlockFile($path, $type, $lockMountPoint = false) {
+        $absolutePath = $this->getAbsolutePath($path);
+        $absolutePath = Filesystem::normalizePath($absolutePath);
+        if (!$this->shouldLockFile($absolutePath)) {
+            return false;
+        }
+
+        $this->unlockPath($path, $type, $lockMountPoint);
+
+        $parents = $this->getParents($path);
+        foreach ($parents as $parent) {
+            $this->unlockPath($parent, ILockingProvider::LOCK_SHARED);
+        }
+
+        return true;
+    }
+
+    /**
+     * Only lock files in data/user/files/
+     *
+     * @param string $path Absolute path to the file/folder we try to (un)lock
+     * @return bool
+     */
+    protected function shouldLockFile($path) {
+        $path = Filesystem::normalizePath($path);
+
+        $pathSegments = explode('/', $path);
+        if (isset($pathSegments[2])) {
+            // E.g.: /username/files/path-to-file
+            return ($pathSegments[2] === 'files') && (count($pathSegments) > 3);
+        }
+
+        return strpos($path, '/appdata_') !== 0;
+    }
+
+    /**
+     * Shortens the given absolute path to be relative to
+     * "$user/files".
+     *
+     * @param string $absolutePath absolute path which is under "files"
+     *
+     * @return string path relative to "files" with trimmed slashes or null
+     * if the path was NOT relative to files
+     *
+     * @throws \InvalidArgumentException if the given path was not under "files"
+     * @since 8.1.0
+     */
+    public function getPathRelativeToFiles($absolutePath) {
+        $path = Filesystem::normalizePath($absolutePath);
+        $parts = explode('/', trim($path, '/'), 3);
+        // "$user", "files", "path/to/dir"
+        if (!isset($parts[1]) || $parts[1] !== 'files') {
+            $this->logger->error(
+                '$absolutePath must be relative to "files", value is "%s"',
+                [
+                    $absolutePath
+                ]
+            );
+            throw new \InvalidArgumentException('$absolutePath must be relative to "files"');
+        }
+        if (isset($parts[2])) {
+            return $parts[2];
+        }
+        return '';
+    }
+
+    /**
+     * @param string $filename
+     * @return array
+     * @throws \OC\User\NoUserException
+     * @throws NotFoundException
+     */
+    public function getUidAndFilename($filename) {
+        $info = $this->getFileInfo($filename);
+        if (!$info instanceof \OCP\Files\FileInfo) {
+            throw new NotFoundException($this->getAbsolutePath($filename) . ' not found');
+        }
+        $uid = $info->getOwner()->getUID();
+        if ($uid != \OCP\User::getUser()) {
+            Filesystem::initMountPoints($uid);
+            $ownerView = new View('/' . $uid . '/files');
+            try {
+                $filename = $ownerView->getPath($info['fileid']);
+            } catch (NotFoundException $e) {
+                throw new NotFoundException('File with id ' . $info['fileid'] . ' not found for user ' . $uid);
+            }
+        }
+        return [$uid, $filename];
+    }
+
+    /**
+     * Creates parent non-existing folders
+     *
+     * @param string $filePath
+     * @return bool
+     */
+    private function createParentDirectories($filePath) {
+        $directoryParts = explode('/', $filePath);
+        $directoryParts = array_filter($directoryParts);
+        foreach ($directoryParts as $key => $part) {
+            $currentPathElements = array_slice($directoryParts, 0, $key);
+            $currentPath = '/' . implode('/', $currentPathElements);
+            if ($this->is_file($currentPath)) {
+                return false;
+            }
+            if (!$this->file_exists($currentPath)) {
+                $this->mkdir($currentPath);
+            }
+        }
+
+        return true;
+    }
 }

Spacing +46 added lines, -46 removed lines

@@ -129,9 +129,9 @@ 
 			$path = '/';
 		}
 		if ($path[0] !== '/') {
-			$path = '/' . $path;
+			$path = '/'.$path;
 		}
-		return $this->fakeRoot . $path;
+		return $this->fakeRoot.$path;
 	}
 
 	/**
@@ -143,7 +143,7 @@ 
 	public function chroot($fakeRoot) {
 		if (!$fakeRoot == '') {
 			if ($fakeRoot[0] !== '/') {
-				$fakeRoot = '/' . $fakeRoot;
+				$fakeRoot = '/'.$fakeRoot;
 			}
 		}
 		$this->fakeRoot = $fakeRoot;
@@ -175,7 +175,7 @@ 
 		}
 
 		// missing slashes can cause wrong matches!
-		$root = rtrim($this->fakeRoot, '/') . '/';
+		$root = rtrim($this->fakeRoot, '/').'/';
 
 		if (strpos($path, $root) !== 0) {
 			return null;
@@ -281,7 +281,7 @@ 
 		if ($mount instanceof MoveableMount) {
 			// cut of /user/files to get the relative path to data/user/files
 			$pathParts = explode('/', $path, 4);
-			$relPath = '/' . $pathParts[3];
+			$relPath = '/'.$pathParts[3];
 			$this->lockFile($relPath, ILockingProvider::LOCK_SHARED, true);
 			\OC_Hook::emit(
 				Filesystem::CLASSNAME, "umount",
@@ -707,7 +707,7 @@ 
 		}
 		$postFix = (substr($path, -1) === '/') ? '/' : '';
 		$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
-		$mount = Filesystem::getMountManager()->find($absolutePath . $postFix);
+		$mount = Filesystem::getMountManager()->find($absolutePath.$postFix);
 		if ($mount and $mount->getInternalPath($absolutePath) === '') {
 			return $this->removeMount($mount, $absolutePath);
 		}
@@ -829,7 +829,7 @@ 
 								$this->renameUpdate($storage1, $storage2, $internalPath1, $internalPath2);
 							}
 						}
-					} catch(\Exception $e) {
+					} catch (\Exception $e) {
 						throw $e;
 					} finally {
 						$this->changeLock($path1, ILockingProvider::LOCK_SHARED, true);
@@ -853,7 +853,7 @@ 
 						}
 					}
 				}
-			} catch(\Exception $e) {
+			} catch (\Exception $e) {
 				throw $e;
 			} finally {
 				$this->unlockFile($path1, ILockingProvider::LOCK_SHARED, true);
@@ -987,7 +987,7 @@ 
 				$hooks[] = 'write';
 				break;
 			default:
-				\OCP\Util::writeLog('core', 'invalid mode (' . $mode . ') for ' . $path, ILogger::ERROR);
+				\OCP\Util::writeLog('core', 'invalid mode ('.$mode.') for '.$path, ILogger::ERROR);
 		}
 
 		if ($mode !== 'r' && $mode !== 'w') {
@@ -1091,7 +1091,7 @@ 
 					[Filesystem::signal_param_path => $this->getHookPath($path)]
 				);
 			}
-			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
+			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath.$postFix);
 			if ($storage) {
 				return $storage->hash($type, $internalPath, $raw);
 			}
@@ -1145,7 +1145,7 @@ 
 
 			$run = $this->runHooks($hooks, $path);
 			/** @var \OC\Files\Storage\Storage $storage */
-			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
+			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath.$postFix);
 			if ($run and $storage) {
 				if (in_array('write', $hooks) || in_array('delete', $hooks)) {
 					try {
@@ -1174,7 +1174,7 @@ 
 				if ($result && in_array('delete', $hooks) and $result) {
 					$this->removeUpdate($storage, $internalPath);
 				}
-				if ($result && in_array('write', $hooks,  true) && $operation !== 'fopen' && $operation !== 'touch') {
+				if ($result && in_array('write', $hooks, true) && $operation !== 'fopen' && $operation !== 'touch') {
 					$this->writeUpdate($storage, $internalPath);
 				}
 				if ($result && in_array('touch', $hooks)) {
@@ -1190,7 +1190,7 @@ 
 					$unlockLater = true;
 					// make sure our unlocking callback will still be called if connection is aborted
 					ignore_user_abort(true);
-					$result = CallbackWrapper::wrap($result, null, null, function () use ($hooks, $path) {
+					$result = CallbackWrapper::wrap($result, null, null, function() use ($hooks, $path) {
 						if (in_array('write', $hooks)) {
 							$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
 						} else if (in_array('read', $hooks)) {
@@ -1251,7 +1251,7 @@ 
 			return true;
 		}
 
-		return (strlen($fullPath) > strlen($defaultRoot)) && (substr($fullPath, 0, strlen($defaultRoot) + 1) === $defaultRoot . '/');
+		return (strlen($fullPath) > strlen($defaultRoot)) && (substr($fullPath, 0, strlen($defaultRoot) + 1) === $defaultRoot.'/');
 	}
 
 	/**
@@ -1270,7 +1270,7 @@ 
 				if ($hook != 'read') {
 					\OC_Hook::emit(
 						Filesystem::CLASSNAME,
-						$prefix . $hook,
+						$prefix.$hook,
 						[
 							Filesystem::signal_param_run => &$run,
 							Filesystem::signal_param_path => $path
@@ -1279,7 +1279,7 @@ 
 				} elseif (!$post) {
 					\OC_Hook::emit(
 						Filesystem::CLASSNAME,
-						$prefix . $hook,
+						$prefix.$hook,
 						[
 							Filesystem::signal_param_path => $path
 						]
@@ -1372,11 +1372,11 @@ 
 			return $this->getPartFileInfo($path);
 		}
 		$relativePath = $path;
-		$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
+		$path = Filesystem::normalizePath($this->fakeRoot.'/'.$path);
 
 		$mount = Filesystem::getMountManager()->find($path);
 		if (!$mount) {
-			\OC::$server->getLogger()->warning('Mountpoint not found for path: ' . $path);
+			\OC::$server->getLogger()->warning('Mountpoint not found for path: '.$path);
 			return false;
 		}
 		$storage = $mount->getStorage();
@@ -1404,7 +1404,7 @@ 
 					//add the sizes of other mount points to the folder
 					$extOnly = ($includeMountPoints === 'ext');
 					$mounts = Filesystem::getMountManager()->findIn($path);
-					$info->setSubMounts(array_filter($mounts, function (IMountPoint $mount) use ($extOnly) {
+					$info->setSubMounts(array_filter($mounts, function(IMountPoint $mount) use ($extOnly) {
 						$subStorage = $mount->getStorage();
 						return !($extOnly && $subStorage instanceof \OCA\Files_Sharing\SharedStorage);
 					}));
@@ -1413,7 +1413,7 @@ 
 
 			return $info;
 		} else {
-			\OC::$server->getLogger()->warning('Storage not valid for mountpoint: ' . $mount->getMountPoint());
+			\OC::$server->getLogger()->warning('Storage not valid for mountpoint: '.$mount->getMountPoint());
 		}
 
 		return false;
@@ -1454,18 +1454,18 @@ 
 
 			$sharingDisabled = \OCP\Util::isSharingDisabledForUser();
 
-			$fileNames = array_map(function (ICacheEntry $content) {
+			$fileNames = array_map(function(ICacheEntry $content) {
 				return $content->getName();
 			}, $contents);
 			/**
 			 * @var \OC\Files\FileInfo[] $fileInfos
 			 */
-			$fileInfos = array_map(function (ICacheEntry $content) use ($path, $storage, $mount, $sharingDisabled) {
+			$fileInfos = array_map(function(ICacheEntry $content) use ($path, $storage, $mount, $sharingDisabled) {
 				if ($sharingDisabled) {
 					$content['permissions'] = $content['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
 				}
 				$owner = $this->getUserObjectForOwner($storage->getOwner($content['path']));
-				return new FileInfo($path . '/' . $content['name'], $storage, $content['path'], $content, $mount, $owner);
+				return new FileInfo($path.'/'.$content['name'], $storage, $content['path'], $content, $mount, $owner);
 			}, $contents);
 			$files = array_combine($fileNames, $fileInfos);
 
@@ -1490,7 +1490,7 @@ 
 						} catch (\Exception $e) {
 							// sometimes when the storage is not available it can be any exception
 							\OC::$server->getLogger()->logException($e, [
-								'message' => 'Exception while scanning storage "' . $subStorage->getId() . '"',
+								'message' => 'Exception while scanning storage "'.$subStorage->getId().'"',
 								'level' => ILogger::ERROR,
 								'app' => 'lib',
 							]);
@@ -1521,7 +1521,7 @@ 
 								$rootEntry['permissions'] = $permissions & (\OCP\Constants::PERMISSION_ALL - (\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE));
 							}
 
-							$rootEntry['path'] = substr(Filesystem::normalizePath($path . '/' . $rootEntry['name']), strlen($user) + 2); // full path without /$user/
+							$rootEntry['path'] = substr(Filesystem::normalizePath($path.'/'.$rootEntry['name']), strlen($user) + 2); // full path without /$user/
 
 							// if sharing was disabled for the user we remove the share permissions
 							if (\OCP\Util::isSharingDisabledForUser()) {
@@ -1529,14 +1529,14 @@ 
 							}
 
 							$owner = $this->getUserObjectForOwner($subStorage->getOwner(''));
-							$files[$rootEntry->getName()] = new FileInfo($path . '/' . $rootEntry['name'], $subStorage, '', $rootEntry, $mount, $owner);
+							$files[$rootEntry->getName()] = new FileInfo($path.'/'.$rootEntry['name'], $subStorage, '', $rootEntry, $mount, $owner);
 						}
 					}
 				}
 			}
 
 			if ($mimetype_filter) {
-				$files = array_filter($files, function (FileInfo $file) use ($mimetype_filter) {
+				$files = array_filter($files, function(FileInfo $file) use ($mimetype_filter) {
 					if (strpos($mimetype_filter, '/')) {
 						return $file->getMimetype() === $mimetype_filter;
 					} else {
@@ -1565,7 +1565,7 @@ 
 		if ($data instanceof FileInfo) {
 			$data = $data->getData();
 		}
-		$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
+		$path = Filesystem::normalizePath($this->fakeRoot.'/'.$path);
 		/**
 		 * @var \OC\Files\Storage\Storage $storage
 		 * @var string $internalPath
@@ -1592,7 +1592,7 @@ 
 	 * @return FileInfo[]
 	 */
 	public function search($query) {
-		return $this->searchCommon('search', ['%' . $query . '%']);
+		return $this->searchCommon('search', ['%'.$query.'%']);
 	}
 
 	/**
@@ -1643,10 +1643,10 @@ 
 
 			$results = call_user_func_array([$cache, $method], $args);
 			foreach ($results as $result) {
-				if (substr($mountPoint . $result['path'], 0, $rootLength + 1) === $this->fakeRoot . '/') {
+				if (substr($mountPoint.$result['path'], 0, $rootLength + 1) === $this->fakeRoot.'/') {
 					$internalPath = $result['path'];
-					$path = $mountPoint . $result['path'];
-					$result['path'] = substr($mountPoint . $result['path'], $rootLength);
+					$path = $mountPoint.$result['path'];
+					$result['path'] = substr($mountPoint.$result['path'], $rootLength);
 					$owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
 					$files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
 				}
@@ -1664,8 +1664,8 @@ 
 					if ($results) {
 						foreach ($results as $result) {
 							$internalPath = $result['path'];
-							$result['path'] = rtrim($relativeMountPoint . $result['path'], '/');
-							$path = rtrim($mountPoint . $internalPath, '/');
+							$result['path'] = rtrim($relativeMountPoint.$result['path'], '/');
+							$path = rtrim($mountPoint.$internalPath, '/');
 							$owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
 							$files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
 						}
@@ -1686,11 +1686,11 @@ 
 	public function getOwner($path) {
 		$info = $this->getFileInfo($path);
 		if (!$info) {
-			throw new NotFoundException($path . ' not found while trying to get owner');
+			throw new NotFoundException($path.' not found while trying to get owner');
 		}
 
 		if ($info->getOwner() === null) {
-			throw new NotFoundException($path . ' has no owner');
+			throw new NotFoundException($path.' has no owner');
 		}
 
 		return $info->getOwner()->getUID();
@@ -1725,7 +1725,7 @@ 
 	 * @return string
 	 */
 	public function getPath($id) {
-		$id = (int)$id;
+		$id = (int) $id;
 		$manager = Filesystem::getMountManager();
 		$mounts = $manager->findIn($this->fakeRoot);
 		$mounts[] = $manager->find($this->fakeRoot);
@@ -1735,7 +1735,7 @@ 
 
 		// put non shared mounts in front of the shared mount
 		// this prevent unneeded recursion into shares
-		usort($mounts, function (IMountPoint $a, IMountPoint $b) {
+		usort($mounts, function(IMountPoint $a, IMountPoint $b) {
 			return $a instanceof SharedMount && (!$b instanceof SharedMount) ? 1 : -1;
 		});
 
@@ -1747,7 +1747,7 @@ 
 				$cache = $mount->getStorage()->getCache();
 				$internalPath = $cache->getPathById($id);
 				if (is_string($internalPath)) {
-					$fullPath = $mount->getMountPoint() . $internalPath;
+					$fullPath = $mount->getMountPoint().$internalPath;
 					if (!is_null($path = $this->getRelativePath($fullPath))) {
 						return $path;
 					}
@@ -1783,10 +1783,10 @@ 
 	private function targetIsNotShared(IStorage $targetStorage, string $targetInternalPath) {
 
 		// note: cannot use the view because the target is already locked
-		$fileId = (int)$targetStorage->getCache()->getId($targetInternalPath);
+		$fileId = (int) $targetStorage->getCache()->getId($targetInternalPath);
 		if ($fileId === -1) {
 			// target might not exist, need to check parent instead
-			$fileId = (int)$targetStorage->getCache()->getId(dirname($targetInternalPath));
+			$fileId = (int) $targetStorage->getCache()->getId(dirname($targetInternalPath));
 		}
 
 		// check if any of the parents were shared by the current owner (include collections)
@@ -1886,7 +1886,7 @@ 
 		$resultPath = '';
 		foreach ($parts as $part) {
 			if ($part) {
-				$resultPath .= '/' . $part;
+				$resultPath .= '/'.$part;
 				$result[] = $resultPath;
 			}
 		}
@@ -2155,16 +2155,16 @@ 
 	public function getUidAndFilename($filename) {
 		$info = $this->getFileInfo($filename);
 		if (!$info instanceof \OCP\Files\FileInfo) {
-			throw new NotFoundException($this->getAbsolutePath($filename) . ' not found');
+			throw new NotFoundException($this->getAbsolutePath($filename).' not found');
 		}
 		$uid = $info->getOwner()->getUID();
 		if ($uid != \OCP\User::getUser()) {
 			Filesystem::initMountPoints($uid);
-			$ownerView = new View('/' . $uid . '/files');
+			$ownerView = new View('/'.$uid.'/files');
 			try {
 				$filename = $ownerView->getPath($info['fileid']);
 			} catch (NotFoundException $e) {
-				throw new NotFoundException('File with id ' . $info['fileid'] . ' not found for user ' . $uid);
+				throw new NotFoundException('File with id '.$info['fileid'].' not found for user '.$uid);
 			}
 		}
 		return [$uid, $filename];
@@ -2181,7 +2181,7 @@ 
 		$directoryParts = array_filter($directoryParts);
 		foreach ($directoryParts as $key => $part) {
 			$currentPathElements = array_slice($directoryParts, 0, $key);
-			$currentPath = '/' . implode('/', $currentPathElements);
+			$currentPath = '/'.implode('/', $currentPathElements);
 			if ($this->is_file($currentPath)) {
 				return false;
 			}

lib/private/Files/Cache/Cache.php

Indentation +932 added lines, -932 removed lines

@@ -61,936 +61,936 @@
  * - ChangePropagator: updates the mtime and etags of parent folders whenever a change to the cache is made to the cache by the updater
  */
 class Cache implements ICache {
-	use MoveFromCacheTrait {
-		MoveFromCacheTrait::moveFromCache as moveFromCacheFallback;
-	}
-
-	/**
-	 * @var array partial data for the cache
-	 */
-	protected $partial = [];
-
-	/**
-	 * @var string
-	 */
-	protected $storageId;
-
-	private $storage;
-
-	/**
-	 * @var Storage $storageCache
-	 */
-	protected $storageCache;
-
-	/** @var IMimeTypeLoader */
-	protected $mimetypeLoader;
-
-	/**
-	 * @var IDBConnection
-	 */
-	protected $connection;
-
-	protected $eventDispatcher;
-
-	/** @var QuerySearchHelper */
-	protected $querySearchHelper;
-
-	/**
-	 * @param IStorage $storage
-	 */
-	public function __construct(IStorage $storage) {
-		$this->storageId = $storage->getId();
-		$this->storage = $storage;
-		if (strlen($this->storageId) > 64) {
-			$this->storageId = md5($this->storageId);
-		}
-
-		$this->storageCache = new Storage($storage);
-		$this->mimetypeLoader = \OC::$server->getMimeTypeLoader();
-		$this->connection = \OC::$server->getDatabaseConnection();
-		$this->eventDispatcher = \OC::$server->getEventDispatcher();
-		$this->querySearchHelper = new QuerySearchHelper($this->mimetypeLoader);
-	}
-
-	private function getQueryBuilder() {
-		return new CacheQueryBuilder(
-			$this->connection,
-			\OC::$server->getSystemConfig(),
-			\OC::$server->getLogger(),
-			$this
-		);
-	}
-
-	/**
-	 * Get the numeric storage id for this cache's storage
-	 *
-	 * @return int
-	 */
-	public function getNumericStorageId() {
-		return $this->storageCache->getNumericId();
-	}
-
-	/**
-	 * get the stored metadata of a file or folder
-	 *
-	 * @param string | int $file either the path of a file or folder or the file id for a file or folder
-	 * @return ICacheEntry|false the cache entry as array of false if the file is not found in the cache
-	 */
-	public function get($file) {
-		$query = $this->getQueryBuilder();
-		$query->selectFileCache();
-
-		if (is_string($file) or $file == '') {
-			// normalize file
-			$file = $this->normalize($file);
-
-			$query->whereStorageId()
-				->wherePath($file);
-		} else { //file id
-			$query->whereFileId($file);
-		}
-
-		$data = $query->execute()->fetch();
-
-		//merge partial data
-		if (!$data and is_string($file) and isset($this->partial[$file])) {
-			return $this->partial[$file];
-		} else if (!$data) {
-			return $data;
-		} else {
-			return self::cacheEntryFromData($data, $this->mimetypeLoader);
-		}
-	}
-
-	/**
-	 * Create a CacheEntry from database row
-	 *
-	 * @param array $data
-	 * @param IMimeTypeLoader $mimetypeLoader
-	 * @return CacheEntry
-	 */
-	public static function cacheEntryFromData($data, IMimeTypeLoader $mimetypeLoader) {
-		//fix types
-		$data['fileid'] = (int)$data['fileid'];
-		$data['parent'] = (int)$data['parent'];
-		$data['size'] = 0 + $data['size'];
-		$data['mtime'] = (int)$data['mtime'];
-		$data['storage_mtime'] = (int)$data['storage_mtime'];
-		$data['encryptedVersion'] = (int)$data['encrypted'];
-		$data['encrypted'] = (bool)$data['encrypted'];
-		$data['storage_id'] = $data['storage'];
-		$data['storage'] = (int)$data['storage'];
-		$data['mimetype'] = $mimetypeLoader->getMimetypeById($data['mimetype']);
-		$data['mimepart'] = $mimetypeLoader->getMimetypeById($data['mimepart']);
-		if ($data['storage_mtime'] == 0) {
-			$data['storage_mtime'] = $data['mtime'];
-		}
-		$data['permissions'] = (int)$data['permissions'];
-		if (isset($data['creation_time'])) {
-			$data['creation_time'] = (int) $data['creation_time'];
-		}
-		if (isset($data['upload_time'])) {
-			$data['upload_time'] = (int) $data['upload_time'];
-		}
-		return new CacheEntry($data);
-	}
-
-	/**
-	 * get the metadata of all files stored in $folder
-	 *
-	 * @param string $folder
-	 * @return ICacheEntry[]
-	 */
-	public function getFolderContents($folder) {
-		$fileId = $this->getId($folder);
-		return $this->getFolderContentsById($fileId);
-	}
-
-	/**
-	 * get the metadata of all files stored in $folder
-	 *
-	 * @param int $fileId the file id of the folder
-	 * @return ICacheEntry[]
-	 */
-	public function getFolderContentsById($fileId) {
-		if ($fileId > -1) {
-			$query = $this->getQueryBuilder();
-			$query->selectFileCache()
-				->whereParent($fileId)
-				->orderBy('name', 'ASC');
-
-			$files = $query->execute()->fetchAll();
-			return array_map(function (array $data) {
-				return self::cacheEntryFromData($data, $this->mimetypeLoader);
-			}, $files);
-		}
-		return [];
-	}
-
-	/**
-	 * insert or update meta data for a file or folder
-	 *
-	 * @param string $file
-	 * @param array $data
-	 *
-	 * @return int file id
-	 * @throws \RuntimeException
-	 */
-	public function put($file, array $data) {
-		if (($id = $this->getId($file)) > -1) {
-			$this->update($id, $data);
-			return $id;
-		} else {
-			return $this->insert($file, $data);
-		}
-	}
-
-	/**
-	 * insert meta data for a new file or folder
-	 *
-	 * @param string $file
-	 * @param array $data
-	 *
-	 * @return int file id
-	 * @throws \RuntimeException
-	 *
-	 * @suppress SqlInjectionChecker
-	 */
-	public function insert($file, array $data) {
-		// normalize file
-		$file = $this->normalize($file);
-
-		if (isset($this->partial[$file])) { //add any saved partial data
-			$data = array_merge($this->partial[$file], $data);
-			unset($this->partial[$file]);
-		}
-
-		$requiredFields = ['size', 'mtime', 'mimetype'];
-		foreach ($requiredFields as $field) {
-			if (!isset($data[$field])) { //data not complete save as partial and return
-				$this->partial[$file] = $data;
-				return -1;
-			}
-		}
-
-		$data['path'] = $file;
-		if (!isset($data['parent'])) {
-			$data['parent'] = $this->getParentId($file);
-		}
-		$data['name'] = basename($file);
-
-		[$values, $extensionValues] = $this->normalizeData($data);
-		$values['storage'] = $this->getNumericStorageId();
-
-		try {
-			$builder = $this->connection->getQueryBuilder();
-			$builder->insert('filecache');
-
-			foreach ($values as $column => $value) {
-				$builder->setValue($column, $builder->createNamedParameter($value));
-			}
-
-			if ($builder->execute()) {
-				$fileId = $builder->getLastInsertId();
-
-				if (count($extensionValues)) {
-					$query = $this->getQueryBuilder();
-					$query->insert('filecache_extended');
-
-					$query->setValue('fileid', $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT));
-					foreach ($extensionValues as $column => $value) {
-						$query->setValue($column, $query->createNamedParameter($value));
-					}
-					$query->execute();
-				}
-
-				$this->eventDispatcher->dispatch(CacheInsertEvent::class, new CacheInsertEvent($this->storage, $file, $fileId));
-				return $fileId;
-			}
-		} catch (UniqueConstraintViolationException $e) {
-			// entry exists already
-			if ($this->connection->inTransaction()) {
-				$this->connection->commit();
-				$this->connection->beginTransaction();
-			}
-		}
-
-		// The file was created in the mean time
-		if (($id = $this->getId($file)) > -1) {
-			$this->update($id, $data);
-			return $id;
-		} else {
-			throw new \RuntimeException('File entry could not be inserted but could also not be selected with getId() in order to perform an update. Please try again.');
-		}
-	}
-
-	/**
-	 * update the metadata of an existing file or folder in the cache
-	 *
-	 * @param int $id the fileid of the existing file or folder
-	 * @param array $data [$key => $value] the metadata to update, only the fields provided in the array will be updated, non-provided values will remain unchanged
-	 */
-	public function update($id, array $data) {
-
-		if (isset($data['path'])) {
-			// normalize path
-			$data['path'] = $this->normalize($data['path']);
-		}
-
-		if (isset($data['name'])) {
-			// normalize path
-			$data['name'] = $this->normalize($data['name']);
-		}
-
-		[$values, $extensionValues] = $this->normalizeData($data);
-
-		if (count($values)) {
-			$query = $this->getQueryBuilder();
-
-			$query->update('filecache')
-				->whereFileId($id)
-				->andWhere($query->expr()->orX(...array_map(function ($key, $value) use ($query) {
-					return $query->expr()->orX(
-						$query->expr()->neq($key, $query->createNamedParameter($value)),
-						$query->expr()->isNull($key)
-					);
-				}, array_keys($values), array_values($values))));
-
-			foreach ($values as $key => $value) {
-				$query->set($key, $query->createNamedParameter($value));
-			}
-
-			$query->execute();
-		}
-
-		if (count($extensionValues)) {
-			try {
-				$query = $this->getQueryBuilder();
-				$query->insert('filecache_extended');
-
-				$query->setValue('fileid', $query->createNamedParameter($id, IQueryBuilder::PARAM_INT));
-				foreach ($extensionValues as $column => $value) {
-					$query->setValue($column, $query->createNamedParameter($value));
-				}
-
-				$query->execute();
-			} catch (UniqueConstraintViolationException $e) {
-				$query = $this->getQueryBuilder();
-				$query->update('filecache_extended')
-					->whereFileId($id)
-					->andWhere($query->expr()->orX(...array_map(function ($key, $value) use ($query) {
-						return $query->expr()->orX(
-							$query->expr()->neq($key, $query->createNamedParameter($value)),
-							$query->expr()->isNull($key)
-						);
-					}, array_keys($extensionValues), array_values($extensionValues))));
-
-				foreach ($extensionValues as $key => $value) {
-					$query->set($key, $query->createNamedParameter($value));
-				}
-
-				$query->execute();
-			}
-		}
-
-		$path = $this->getPathById($id);
-		// path can still be null if the file doesn't exist
-		if ($path !== null) {
-			$this->eventDispatcher->dispatch(CacheUpdateEvent::class, new CacheUpdateEvent($this->storage, $path, $id));
-		}
-	}
-
-	/**
-	 * extract query parts and params array from data array
-	 *
-	 * @param array $data
-	 * @return array
-	 */
-	protected function normalizeData(array $data): array {
-		$fields = [
-			'path', 'parent', 'name', 'mimetype', 'size', 'mtime', 'storage_mtime', 'encrypted',
-			'etag', 'permissions', 'checksum', 'storage'];
-		$extensionFields = ['metadata_etag', 'creation_time', 'upload_time'];
-
-		$doNotCopyStorageMTime = false;
-		if (array_key_exists('mtime', $data) && $data['mtime'] === null) {
-			// this horrific magic tells it to not copy storage_mtime to mtime
-			unset($data['mtime']);
-			$doNotCopyStorageMTime = true;
-		}
-
-		$params = [];
-		$extensionParams = [];
-		foreach ($data as $name => $value) {
-			if (array_search($name, $fields) !== false) {
-				if ($name === 'path') {
-					$params['path_hash'] = md5($value);
-				} else if ($name === 'mimetype') {
-					$params['mimepart'] = $this->mimetypeLoader->getId(substr($value, 0, strpos($value, '/')));
-					$value = $this->mimetypeLoader->getId($value);
-				} else if ($name === 'storage_mtime') {
-					if (!$doNotCopyStorageMTime && !isset($data['mtime'])) {
-						$params['mtime'] = $value;
-					}
-				} else if ($name === 'encrypted') {
-					if (isset($data['encryptedVersion'])) {
-						$value = $data['encryptedVersion'];
-					} else {
-						// Boolean to integer conversion
-						$value = $value ? 1 : 0;
-					}
-				}
-				$params[$name] = $value;
-			}
-			if (array_search($name, $extensionFields) !== false) {
-				$extensionParams[$name] = $value;
-			}
-		}
-		return [$params, array_filter($extensionParams)];
-	}
-
-	/**
-	 * get the file id for a file
-	 *
-	 * A file id is a numeric id for a file or folder that's unique within an owncloud instance which stays the same for the lifetime of a file
-	 *
-	 * File ids are easiest way for apps to store references to a file since unlike paths they are not affected by renames or sharing
-	 *
-	 * @param string $file
-	 * @return int
-	 */
-	public function getId($file) {
-		// normalize file
-		$file = $this->normalize($file);
-
-		$query = $this->getQueryBuilder();
-		$query->select('fileid')
-			->from('filecache')
-			->whereStorageId()
-			->wherePath($file);
-
-		$id = $query->execute()->fetchColumn();
-		return $id === false ? -1 : (int)$id;
-	}
-
-	/**
-	 * get the id of the parent folder of a file
-	 *
-	 * @param string $file
-	 * @return int
-	 */
-	public function getParentId($file) {
-		if ($file === '') {
-			return -1;
-		} else {
-			$parent = $this->getParentPath($file);
-			return (int)$this->getId($parent);
-		}
-	}
-
-	private function getParentPath($path) {
-		$parent = dirname($path);
-		if ($parent === '.') {
-			$parent = '';
-		}
-		return $parent;
-	}
-
-	/**
-	 * check if a file is available in the cache
-	 *
-	 * @param string $file
-	 * @return bool
-	 */
-	public function inCache($file) {
-		return $this->getId($file) != -1;
-	}
-
-	/**
-	 * remove a file or folder from the cache
-	 *
-	 * when removing a folder from the cache all files and folders inside the folder will be removed as well
-	 *
-	 * @param string $file
-	 */
-	public function remove($file) {
-		$entry = $this->get($file);
-
-		if ($entry) {
-			$query = $this->getQueryBuilder();
-			$query->delete('filecache')
-				->whereFileId($entry->getId());
-			$query->execute();
-
-			$query = $this->getQueryBuilder();
-			$query->delete('filecache_extended')
-				->whereFileId($entry->getId());
-			$query->execute();
-
-			if ($entry->getMimeType() == FileInfo::MIMETYPE_FOLDER) {
-				$this->removeChildren($entry);
-			}
-		}
-	}
-
-	/**
-	 * Get all sub folders of a folder
-	 *
-	 * @param ICacheEntry $entry the cache entry of the folder to get the subfolders for
-	 * @return ICacheEntry[] the cache entries for the subfolders
-	 */
-	private function getSubFolders(ICacheEntry $entry) {
-		$children = $this->getFolderContentsById($entry->getId());
-		return array_filter($children, function ($child) {
-			return $child->getMimeType() == FileInfo::MIMETYPE_FOLDER;
-		});
-	}
-
-	/**
-	 * Recursively remove all children of a folder
-	 *
-	 * @param ICacheEntry $entry the cache entry of the folder to remove the children of
-	 * @throws \OC\DatabaseException
-	 */
-	private function removeChildren(ICacheEntry $entry) {
-		$children = $this->getFolderContentsById($entry->getId());
-		$childIds = array_map(function (ICacheEntry $cacheEntry) {
-			return $cacheEntry->getId();
-		}, $children);
-		$childFolders = array_filter($children, function ($child) {
-			return $child->getMimeType() == FileInfo::MIMETYPE_FOLDER;
-		});
-		foreach ($childFolders as $folder) {
-			$this->removeChildren($folder);
-		}
-
-		$query = $this->getQueryBuilder();
-		$query->delete('filecache')
-			->whereParent($entry->getId());
-		$query->execute();
-
-		$query = $this->getQueryBuilder();
-		$query->delete('filecache_extended')
-			->where($query->expr()->in('fileid', $query->createNamedParameter($childIds, IQueryBuilder::PARAM_INT_ARRAY)));
-		$query->execute();
-	}
-
-	/**
-	 * Move a file or folder in the cache
-	 *
-	 * @param string $source
-	 * @param string $target
-	 */
-	public function move($source, $target) {
-		$this->moveFromCache($this, $source, $target);
-	}
-
-	/**
-	 * Get the storage id and path needed for a move
-	 *
-	 * @param string $path
-	 * @return array [$storageId, $internalPath]
-	 */
-	protected function getMoveInfo($path) {
-		return [$this->getNumericStorageId(), $path];
-	}
-
-	/**
-	 * Move a file or folder in the cache
-	 *
-	 * @param \OCP\Files\Cache\ICache $sourceCache
-	 * @param string $sourcePath
-	 * @param string $targetPath
-	 * @throws \OC\DatabaseException
-	 * @throws \Exception if the given storages have an invalid id
-	 * @suppress SqlInjectionChecker
-	 */
-	public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) {
-		if ($sourceCache instanceof Cache) {
-			// normalize source and target
-			$sourcePath = $this->normalize($sourcePath);
-			$targetPath = $this->normalize($targetPath);
-
-			$sourceData = $sourceCache->get($sourcePath);
-			$sourceId = $sourceData['fileid'];
-			$newParentId = $this->getParentId($targetPath);
-
-			[$sourceStorageId, $sourcePath] = $sourceCache->getMoveInfo($sourcePath);
-			[$targetStorageId, $targetPath] = $this->getMoveInfo($targetPath);
-
-			if (is_null($sourceStorageId) || $sourceStorageId === false) {
-				throw new \Exception('Invalid source storage id: ' . $sourceStorageId);
-			}
-			if (is_null($targetStorageId) || $targetStorageId === false) {
-				throw new \Exception('Invalid target storage id: ' . $targetStorageId);
-			}
-
-			$this->connection->beginTransaction();
-			if ($sourceData['mimetype'] === 'httpd/unix-directory') {
-				//update all child entries
-				$sourceLength = mb_strlen($sourcePath);
-				$query = $this->connection->getQueryBuilder();
-
-				$fun = $query->func();
-				$newPathFunction = $fun->concat(
-					$query->createNamedParameter($targetPath),
-					$fun->substring('path', $query->createNamedParameter($sourceLength + 1, IQueryBuilder::PARAM_INT))// +1 for the leading slash
-				);
-				$query->update('filecache')
-					->set('storage', $query->createNamedParameter($targetStorageId, IQueryBuilder::PARAM_INT))
-					->set('path_hash', $fun->md5($newPathFunction))
-					->set('path', $newPathFunction)
-					->where($query->expr()->eq('storage', $query->createNamedParameter($sourceStorageId, IQueryBuilder::PARAM_INT)))
-					->andWhere($query->expr()->like('path', $query->createNamedParameter($this->connection->escapeLikeParameter($sourcePath) . '/%')));
-
-				try {
-					$query->execute();
-				} catch (\OC\DatabaseException $e) {
-					$this->connection->rollBack();
-					throw $e;
-				}
-			}
-
-			$query = $this->getQueryBuilder();
-			$query->update('filecache')
-				->set('storage', $query->createNamedParameter($targetStorageId))
-				->set('path', $query->createNamedParameter($targetPath))
-				->set('path_hash', $query->createNamedParameter(md5($targetPath)))
-				->set('name', $query->createNamedParameter(basename($targetPath)))
-				->set('parent', $query->createNamedParameter($newParentId, IQueryBuilder::PARAM_INT))
-				->whereFileId($sourceId);
-			$query->execute();
-
-			$this->connection->commit();
-		} else {
-			$this->moveFromCacheFallback($sourceCache, $sourcePath, $targetPath);
-		}
-	}
-
-	/**
-	 * remove all entries for files that are stored on the storage from the cache
-	 */
-	public function clear() {
-		$query = $this->getQueryBuilder();
-		$query->delete('filecache')
-			->whereStorageId();
-		$query->execute();
-
-		$query = $this->connection->getQueryBuilder();
-		$query->delete('storages')
-			->where($query->expr()->eq('id', $query->createNamedParameter($this->storageId)));
-		$query->execute();
-	}
-
-	/**
-	 * Get the scan status of a file
-	 *
-	 * - Cache::NOT_FOUND: File is not in the cache
-	 * - Cache::PARTIAL: File is not stored in the cache but some incomplete data is known
-	 * - Cache::SHALLOW: The folder and it's direct children are in the cache but not all sub folders are fully scanned
-	 * - Cache::COMPLETE: The file or folder, with all it's children) are fully scanned
-	 *
-	 * @param string $file
-	 *
-	 * @return int Cache::NOT_FOUND, Cache::PARTIAL, Cache::SHALLOW or Cache::COMPLETE
-	 */
-	public function getStatus($file) {
-		// normalize file
-		$file = $this->normalize($file);
-
-		$query = $this->getQueryBuilder();
-		$query->select('size')
-			->from('filecache')
-			->whereStorageId()
-			->wherePath($file);
-		$size = $query->execute()->fetchColumn();
-		if ($size !== false) {
-			if ((int)$size === -1) {
-				return self::SHALLOW;
-			} else {
-				return self::COMPLETE;
-			}
-		} else {
-			if (isset($this->partial[$file])) {
-				return self::PARTIAL;
-			} else {
-				return self::NOT_FOUND;
-			}
-		}
-	}
-
-	/**
-	 * search for files matching $pattern
-	 *
-	 * @param string $pattern the search pattern using SQL search syntax (e.g. '%searchstring%')
-	 * @return ICacheEntry[] an array of cache entries where the name matches the search pattern
-	 */
-	public function search($pattern) {
-		// normalize pattern
-		$pattern = $this->normalize($pattern);
-
-		if ($pattern === '%%') {
-			return [];
-		}
-
-		$query = $this->getQueryBuilder();
-		$query->selectFileCache()
-			->whereStorageId()
-			->andWhere($query->expr()->iLike('name', $query->createNamedParameter($pattern)));
-
-		return array_map(function (array $data) {
-			return self::cacheEntryFromData($data, $this->mimetypeLoader);
-		}, $query->execute()->fetchAll());
-	}
-
-	/**
-	 * @param Statement $result
-	 * @return CacheEntry[]
-	 */
-	private function searchResultToCacheEntries(Statement $result) {
-		$files = $result->fetchAll();
-
-		return array_map(function (array $data) {
-			return self::cacheEntryFromData($data, $this->mimetypeLoader);
-		}, $files);
-	}
-
-	/**
-	 * search for files by mimetype
-	 *
-	 * @param string $mimetype either a full mimetype to search ('text/plain') or only the first part of a mimetype ('image')
-	 *        where it will search for all mimetypes in the group ('image/*')
-	 * @return ICacheEntry[] an array of cache entries where the mimetype matches the search
-	 */
-	public function searchByMime($mimetype) {
-		$mimeId = $this->mimetypeLoader->getId($mimetype);
-
-		$query = $this->getQueryBuilder();
-		$query->selectFileCache()
-			->whereStorageId();
-
-		if (strpos($mimetype, '/')) {
-			$query->andWhere($query->expr()->eq('mimetype', $query->createNamedParameter($mimeId, IQueryBuilder::PARAM_INT)));
-		} else {
-			$query->andWhere($query->expr()->eq('mimepart', $query->createNamedParameter($mimeId, IQueryBuilder::PARAM_INT)));
-		}
-
-		return array_map(function (array $data) {
-			return self::cacheEntryFromData($data, $this->mimetypeLoader);
-		}, $query->execute()->fetchAll());
-	}
-
-	public function searchQuery(ISearchQuery $searchQuery) {
-		$builder = $this->getQueryBuilder();
-
-		$query = $builder->selectFileCache('file');
-
-		$query->whereStorageId();
-
-		if ($this->querySearchHelper->shouldJoinTags($searchQuery->getSearchOperation())) {
-			$query
-				->innerJoin('file', 'vcategory_to_object', 'tagmap', $builder->expr()->eq('file.fileid', 'tagmap.objid'))
-				->innerJoin('tagmap', 'vcategory', 'tag', $builder->expr()->andX(
-					$builder->expr()->eq('tagmap.type', 'tag.type'),
-					$builder->expr()->eq('tagmap.categoryid', 'tag.id')
-				))
-				->andWhere($builder->expr()->eq('tag.type', $builder->createNamedParameter('files')))
-				->andWhere($builder->expr()->eq('tag.uid', $builder->createNamedParameter($searchQuery->getUser()->getUID())));
-		}
-
-		$searchExpr = $this->querySearchHelper->searchOperatorToDBExpr($builder, $searchQuery->getSearchOperation());
-		if ($searchExpr) {
-			$query->andWhere($searchExpr);
-		}
-
-		if ($searchQuery->limitToHome() && ($this instanceof HomeCache)) {
-			$query->andWhere($builder->expr()->like('path', $query->expr()->literal('files/%')));
-		}
-
-		$this->querySearchHelper->addSearchOrdersToQuery($query, $searchQuery->getOrder());
-
-		if ($searchQuery->getLimit()) {
-			$query->setMaxResults($searchQuery->getLimit());
-		}
-		if ($searchQuery->getOffset()) {
-			$query->setFirstResult($searchQuery->getOffset());
-		}
-
-		$result = $query->execute();
-		return $this->searchResultToCacheEntries($result);
-	}
-
-	/**
-	 * Re-calculate the folder size and the size of all parent folders
-	 *
-	 * @param string|boolean $path
-	 * @param array $data (optional) meta data of the folder
-	 */
-	public function correctFolderSize($path, $data = null, $isBackgroundScan = false) {
-		$this->calculateFolderSize($path, $data);
-		if ($path !== '') {
-			$parent = dirname($path);
-			if ($parent === '.' or $parent === '/') {
-				$parent = '';
-			}
-			if ($isBackgroundScan) {
-				$parentData = $this->get($parent);
-				if ($parentData['size'] !== -1 && $this->getIncompleteChildrenCount($parentData['fileid']) === 0) {
-					$this->correctFolderSize($parent, $parentData, $isBackgroundScan);
-				}
-			} else {
-				$this->correctFolderSize($parent);
-			}
-		}
-	}
-
-	/**
-	 * get the incomplete count that shares parent $folder
-	 *
-	 * @param int $fileId the file id of the folder
-	 * @return int
-	 */
-	public function getIncompleteChildrenCount($fileId) {
-		if ($fileId > -1) {
-			$query = $this->getQueryBuilder();
-			$query->select($query->func()->count())
-				->from('filecache')
-				->whereParent($fileId)
-				->andWhere($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)));
-
-			return (int)$query->execute()->fetchColumn();
-		}
-		return -1;
-	}
-
-	/**
-	 * calculate the size of a folder and set it in the cache
-	 *
-	 * @param string $path
-	 * @param array $entry (optional) meta data of the folder
-	 * @return int
-	 */
-	public function calculateFolderSize($path, $entry = null) {
-		$totalSize = 0;
-		if (is_null($entry) or !isset($entry['fileid'])) {
-			$entry = $this->get($path);
-		}
-		if (isset($entry['mimetype']) && $entry['mimetype'] === FileInfo::MIMETYPE_FOLDER) {
-			$id = $entry['fileid'];
-
-			$query = $this->getQueryBuilder();
-			$query->selectAlias($query->func()->sum('size'), 'f1')
-				->selectAlias($query->func()->min('size'), 'f2')
-				->from('filecache')
-				->whereStorageId()
-				->whereParent($id);
-
-			if ($row = $query->execute()->fetch()) {
-				[$sum, $min] = array_values($row);
-				$sum = 0 + $sum;
-				$min = 0 + $min;
-				if ($min === -1) {
-					$totalSize = $min;
-				} else {
-					$totalSize = $sum;
-				}
-				if ($entry['size'] !== $totalSize) {
-					$this->update($id, ['size' => $totalSize]);
-				}
-			}
-		}
-		return $totalSize;
-	}
-
-	/**
-	 * get all file ids on the files on the storage
-	 *
-	 * @return int[]
-	 */
-	public function getAll() {
-		$query = $this->getQueryBuilder();
-		$query->select('fileid')
-			->from('filecache')
-			->whereStorageId();
-
-		return array_map(function ($id) {
-			return (int)$id;
-		}, $query->execute()->fetchAll(\PDO::FETCH_COLUMN));
-	}
-
-	/**
-	 * find a folder in the cache which has not been fully scanned
-	 *
-	 * If multiple incomplete folders are in the cache, the one with the highest id will be returned,
-	 * use the one with the highest id gives the best result with the background scanner, since that is most
-	 * likely the folder where we stopped scanning previously
-	 *
-	 * @return string|bool the path of the folder or false when no folder matched
-	 */
-	public function getIncomplete() {
-		$query = $this->getQueryBuilder();
-		$query->select('path')
-			->from('filecache')
-			->whereStorageId()
-			->andWhere($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)))
-			->orderBy('fileid', 'DESC');
-
-		return $query->execute()->fetchColumn();
-	}
-
-	/**
-	 * get the path of a file on this storage by it's file id
-	 *
-	 * @param int $id the file id of the file or folder to search
-	 * @return string|null the path of the file (relative to the storage) or null if a file with the given id does not exists within this cache
-	 */
-	public function getPathById($id) {
-		$query = $this->getQueryBuilder();
-		$query->select('path')
-			->from('filecache')
-			->whereStorageId()
-			->whereFileId($id);
-
-		$path = $query->execute()->fetchColumn();
-		return $path === false ? null : $path;
-	}
-
-	/**
-	 * get the storage id of the storage for a file and the internal path of the file
-	 * unlike getPathById this does not limit the search to files on this storage and
-	 * instead does a global search in the cache table
-	 *
-	 * @param int $id
-	 * @return array first element holding the storage id, second the path
-	 * @deprecated use getPathById() instead
-	 */
-	static public function getById($id) {
-		$query = \OC::$server->getDatabaseConnection()->getQueryBuilder();
-		$query->select('path', 'storage')
-			->from('filecache')
-			->where($query->expr()->eq('fileid', $query->createNamedParameter($id, IQueryBuilder::PARAM_INT)));
-		if ($row = $query->execute()->fetch()) {
-			$numericId = $row['storage'];
-			$path = $row['path'];
-		} else {
-			return null;
-		}
-
-		if ($id = Storage::getStorageId($numericId)) {
-			return [$id, $path];
-		} else {
-			return null;
-		}
-	}
-
-	/**
-	 * normalize the given path
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function normalize($path) {
-
-		return trim(\OC_Util::normalizeUnicode($path), '/');
-	}
+    use MoveFromCacheTrait {
+        MoveFromCacheTrait::moveFromCache as moveFromCacheFallback;
+    }
+
+    /**
+     * @var array partial data for the cache
+     */
+    protected $partial = [];
+
+    /**
+     * @var string
+     */
+    protected $storageId;
+
+    private $storage;
+
+    /**
+     * @var Storage $storageCache
+     */
+    protected $storageCache;
+
+    /** @var IMimeTypeLoader */
+    protected $mimetypeLoader;
+
+    /**
+     * @var IDBConnection
+     */
+    protected $connection;
+
+    protected $eventDispatcher;
+
+    /** @var QuerySearchHelper */
+    protected $querySearchHelper;
+
+    /**
+     * @param IStorage $storage
+     */
+    public function __construct(IStorage $storage) {
+        $this->storageId = $storage->getId();
+        $this->storage = $storage;
+        if (strlen($this->storageId) > 64) {
+            $this->storageId = md5($this->storageId);
+        }
+
+        $this->storageCache = new Storage($storage);
+        $this->mimetypeLoader = \OC::$server->getMimeTypeLoader();
+        $this->connection = \OC::$server->getDatabaseConnection();
+        $this->eventDispatcher = \OC::$server->getEventDispatcher();
+        $this->querySearchHelper = new QuerySearchHelper($this->mimetypeLoader);
+    }
+
+    private function getQueryBuilder() {
+        return new CacheQueryBuilder(
+            $this->connection,
+            \OC::$server->getSystemConfig(),
+            \OC::$server->getLogger(),
+            $this
+        );
+    }
+
+    /**
+     * Get the numeric storage id for this cache's storage
+     *
+     * @return int
+     */
+    public function getNumericStorageId() {
+        return $this->storageCache->getNumericId();
+    }
+
+    /**
+     * get the stored metadata of a file or folder
+     *
+     * @param string | int $file either the path of a file or folder or the file id for a file or folder
+     * @return ICacheEntry|false the cache entry as array of false if the file is not found in the cache
+     */
+    public function get($file) {
+        $query = $this->getQueryBuilder();
+        $query->selectFileCache();
+
+        if (is_string($file) or $file == '') {
+            // normalize file
+            $file = $this->normalize($file);
+
+            $query->whereStorageId()
+                ->wherePath($file);
+        } else { //file id
+            $query->whereFileId($file);
+        }
+
+        $data = $query->execute()->fetch();
+
+        //merge partial data
+        if (!$data and is_string($file) and isset($this->partial[$file])) {
+            return $this->partial[$file];
+        } else if (!$data) {
+            return $data;
+        } else {
+            return self::cacheEntryFromData($data, $this->mimetypeLoader);
+        }
+    }
+
+    /**
+     * Create a CacheEntry from database row
+     *
+     * @param array $data
+     * @param IMimeTypeLoader $mimetypeLoader
+     * @return CacheEntry
+     */
+    public static function cacheEntryFromData($data, IMimeTypeLoader $mimetypeLoader) {
+        //fix types
+        $data['fileid'] = (int)$data['fileid'];
+        $data['parent'] = (int)$data['parent'];
+        $data['size'] = 0 + $data['size'];
+        $data['mtime'] = (int)$data['mtime'];
+        $data['storage_mtime'] = (int)$data['storage_mtime'];
+        $data['encryptedVersion'] = (int)$data['encrypted'];
+        $data['encrypted'] = (bool)$data['encrypted'];
+        $data['storage_id'] = $data['storage'];
+        $data['storage'] = (int)$data['storage'];
+        $data['mimetype'] = $mimetypeLoader->getMimetypeById($data['mimetype']);
+        $data['mimepart'] = $mimetypeLoader->getMimetypeById($data['mimepart']);
+        if ($data['storage_mtime'] == 0) {
+            $data['storage_mtime'] = $data['mtime'];
+        }
+        $data['permissions'] = (int)$data['permissions'];
+        if (isset($data['creation_time'])) {
+            $data['creation_time'] = (int) $data['creation_time'];
+        }
+        if (isset($data['upload_time'])) {
+            $data['upload_time'] = (int) $data['upload_time'];
+        }
+        return new CacheEntry($data);
+    }
+
+    /**
+     * get the metadata of all files stored in $folder
+     *
+     * @param string $folder
+     * @return ICacheEntry[]
+     */
+    public function getFolderContents($folder) {
+        $fileId = $this->getId($folder);
+        return $this->getFolderContentsById($fileId);
+    }
+
+    /**
+     * get the metadata of all files stored in $folder
+     *
+     * @param int $fileId the file id of the folder
+     * @return ICacheEntry[]
+     */
+    public function getFolderContentsById($fileId) {
+        if ($fileId > -1) {
+            $query = $this->getQueryBuilder();
+            $query->selectFileCache()
+                ->whereParent($fileId)
+                ->orderBy('name', 'ASC');
+
+            $files = $query->execute()->fetchAll();
+            return array_map(function (array $data) {
+                return self::cacheEntryFromData($data, $this->mimetypeLoader);
+            }, $files);
+        }
+        return [];
+    }
+
+    /**
+     * insert or update meta data for a file or folder
+     *
+     * @param string $file
+     * @param array $data
+     *
+     * @return int file id
+     * @throws \RuntimeException
+     */
+    public function put($file, array $data) {
+        if (($id = $this->getId($file)) > -1) {
+            $this->update($id, $data);
+            return $id;
+        } else {
+            return $this->insert($file, $data);
+        }
+    }
+
+    /**
+     * insert meta data for a new file or folder
+     *
+     * @param string $file
+     * @param array $data
+     *
+     * @return int file id
+     * @throws \RuntimeException
+     *
+     * @suppress SqlInjectionChecker
+     */
+    public function insert($file, array $data) {
+        // normalize file
+        $file = $this->normalize($file);
+
+        if (isset($this->partial[$file])) { //add any saved partial data
+            $data = array_merge($this->partial[$file], $data);
+            unset($this->partial[$file]);
+        }
+
+        $requiredFields = ['size', 'mtime', 'mimetype'];
+        foreach ($requiredFields as $field) {
+            if (!isset($data[$field])) { //data not complete save as partial and return
+                $this->partial[$file] = $data;
+                return -1;
+            }
+        }
+
+        $data['path'] = $file;
+        if (!isset($data['parent'])) {
+            $data['parent'] = $this->getParentId($file);
+        }
+        $data['name'] = basename($file);
+
+        [$values, $extensionValues] = $this->normalizeData($data);
+        $values['storage'] = $this->getNumericStorageId();
+
+        try {
+            $builder = $this->connection->getQueryBuilder();
+            $builder->insert('filecache');
+
+            foreach ($values as $column => $value) {
+                $builder->setValue($column, $builder->createNamedParameter($value));
+            }
+
+            if ($builder->execute()) {
+                $fileId = $builder->getLastInsertId();
+
+                if (count($extensionValues)) {
+                    $query = $this->getQueryBuilder();
+                    $query->insert('filecache_extended');
+
+                    $query->setValue('fileid', $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT));
+                    foreach ($extensionValues as $column => $value) {
+                        $query->setValue($column, $query->createNamedParameter($value));
+                    }
+                    $query->execute();
+                }
+
+                $this->eventDispatcher->dispatch(CacheInsertEvent::class, new CacheInsertEvent($this->storage, $file, $fileId));
+                return $fileId;
+            }
+        } catch (UniqueConstraintViolationException $e) {
+            // entry exists already
+            if ($this->connection->inTransaction()) {
+                $this->connection->commit();
+                $this->connection->beginTransaction();
+            }
+        }
+
+        // The file was created in the mean time
+        if (($id = $this->getId($file)) > -1) {
+            $this->update($id, $data);
+            return $id;
+        } else {
+            throw new \RuntimeException('File entry could not be inserted but could also not be selected with getId() in order to perform an update. Please try again.');
+        }
+    }
+
+    /**
+     * update the metadata of an existing file or folder in the cache
+     *
+     * @param int $id the fileid of the existing file or folder
+     * @param array $data [$key => $value] the metadata to update, only the fields provided in the array will be updated, non-provided values will remain unchanged
+     */
+    public function update($id, array $data) {
+
+        if (isset($data['path'])) {
+            // normalize path
+            $data['path'] = $this->normalize($data['path']);
+        }
+
+        if (isset($data['name'])) {
+            // normalize path
+            $data['name'] = $this->normalize($data['name']);
+        }
+
+        [$values, $extensionValues] = $this->normalizeData($data);
+
+        if (count($values)) {
+            $query = $this->getQueryBuilder();
+
+            $query->update('filecache')
+                ->whereFileId($id)
+                ->andWhere($query->expr()->orX(...array_map(function ($key, $value) use ($query) {
+                    return $query->expr()->orX(
+                        $query->expr()->neq($key, $query->createNamedParameter($value)),
+                        $query->expr()->isNull($key)
+                    );
+                }, array_keys($values), array_values($values))));
+
+            foreach ($values as $key => $value) {
+                $query->set($key, $query->createNamedParameter($value));
+            }
+
+            $query->execute();
+        }
+
+        if (count($extensionValues)) {
+            try {
+                $query = $this->getQueryBuilder();
+                $query->insert('filecache_extended');
+
+                $query->setValue('fileid', $query->createNamedParameter($id, IQueryBuilder::PARAM_INT));
+                foreach ($extensionValues as $column => $value) {
+                    $query->setValue($column, $query->createNamedParameter($value));
+                }
+
+                $query->execute();
+            } catch (UniqueConstraintViolationException $e) {
+                $query = $this->getQueryBuilder();
+                $query->update('filecache_extended')
+                    ->whereFileId($id)
+                    ->andWhere($query->expr()->orX(...array_map(function ($key, $value) use ($query) {
+                        return $query->expr()->orX(
+                            $query->expr()->neq($key, $query->createNamedParameter($value)),
+                            $query->expr()->isNull($key)
+                        );
+                    }, array_keys($extensionValues), array_values($extensionValues))));
+
+                foreach ($extensionValues as $key => $value) {
+                    $query->set($key, $query->createNamedParameter($value));
+                }
+
+                $query->execute();
+            }
+        }
+
+        $path = $this->getPathById($id);
+        // path can still be null if the file doesn't exist
+        if ($path !== null) {
+            $this->eventDispatcher->dispatch(CacheUpdateEvent::class, new CacheUpdateEvent($this->storage, $path, $id));
+        }
+    }
+
+    /**
+     * extract query parts and params array from data array
+     *
+     * @param array $data
+     * @return array
+     */
+    protected function normalizeData(array $data): array {
+        $fields = [
+            'path', 'parent', 'name', 'mimetype', 'size', 'mtime', 'storage_mtime', 'encrypted',
+            'etag', 'permissions', 'checksum', 'storage'];
+        $extensionFields = ['metadata_etag', 'creation_time', 'upload_time'];
+
+        $doNotCopyStorageMTime = false;
+        if (array_key_exists('mtime', $data) && $data['mtime'] === null) {
+            // this horrific magic tells it to not copy storage_mtime to mtime
+            unset($data['mtime']);
+            $doNotCopyStorageMTime = true;
+        }
+
+        $params = [];
+        $extensionParams = [];
+        foreach ($data as $name => $value) {
+            if (array_search($name, $fields) !== false) {
+                if ($name === 'path') {
+                    $params['path_hash'] = md5($value);
+                } else if ($name === 'mimetype') {
+                    $params['mimepart'] = $this->mimetypeLoader->getId(substr($value, 0, strpos($value, '/')));
+                    $value = $this->mimetypeLoader->getId($value);
+                } else if ($name === 'storage_mtime') {
+                    if (!$doNotCopyStorageMTime && !isset($data['mtime'])) {
+                        $params['mtime'] = $value;
+                    }
+                } else if ($name === 'encrypted') {
+                    if (isset($data['encryptedVersion'])) {
+                        $value = $data['encryptedVersion'];
+                    } else {
+                        // Boolean to integer conversion
+                        $value = $value ? 1 : 0;
+                    }
+                }
+                $params[$name] = $value;
+            }
+            if (array_search($name, $extensionFields) !== false) {
+                $extensionParams[$name] = $value;
+            }
+        }
+        return [$params, array_filter($extensionParams)];
+    }
+
+    /**
+     * get the file id for a file
+     *
+     * A file id is a numeric id for a file or folder that's unique within an owncloud instance which stays the same for the lifetime of a file
+     *
+     * File ids are easiest way for apps to store references to a file since unlike paths they are not affected by renames or sharing
+     *
+     * @param string $file
+     * @return int
+     */
+    public function getId($file) {
+        // normalize file
+        $file = $this->normalize($file);
+
+        $query = $this->getQueryBuilder();
+        $query->select('fileid')
+            ->from('filecache')
+            ->whereStorageId()
+            ->wherePath($file);
+
+        $id = $query->execute()->fetchColumn();
+        return $id === false ? -1 : (int)$id;
+    }
+
+    /**
+     * get the id of the parent folder of a file
+     *
+     * @param string $file
+     * @return int
+     */
+    public function getParentId($file) {
+        if ($file === '') {
+            return -1;
+        } else {
+            $parent = $this->getParentPath($file);
+            return (int)$this->getId($parent);
+        }
+    }
+
+    private function getParentPath($path) {
+        $parent = dirname($path);
+        if ($parent === '.') {
+            $parent = '';
+        }
+        return $parent;
+    }
+
+    /**
+     * check if a file is available in the cache
+     *
+     * @param string $file
+     * @return bool
+     */
+    public function inCache($file) {
+        return $this->getId($file) != -1;
+    }
+
+    /**
+     * remove a file or folder from the cache
+     *
+     * when removing a folder from the cache all files and folders inside the folder will be removed as well
+     *
+     * @param string $file
+     */
+    public function remove($file) {
+        $entry = $this->get($file);
+
+        if ($entry) {
+            $query = $this->getQueryBuilder();
+            $query->delete('filecache')
+                ->whereFileId($entry->getId());
+            $query->execute();
+
+            $query = $this->getQueryBuilder();
+            $query->delete('filecache_extended')
+                ->whereFileId($entry->getId());
+            $query->execute();
+
+            if ($entry->getMimeType() == FileInfo::MIMETYPE_FOLDER) {
+                $this->removeChildren($entry);
+            }
+        }
+    }
+
+    /**
+     * Get all sub folders of a folder
+     *
+     * @param ICacheEntry $entry the cache entry of the folder to get the subfolders for
+     * @return ICacheEntry[] the cache entries for the subfolders
+     */
+    private function getSubFolders(ICacheEntry $entry) {
+        $children = $this->getFolderContentsById($entry->getId());
+        return array_filter($children, function ($child) {
+            return $child->getMimeType() == FileInfo::MIMETYPE_FOLDER;
+        });
+    }
+
+    /**
+     * Recursively remove all children of a folder
+     *
+     * @param ICacheEntry $entry the cache entry of the folder to remove the children of
+     * @throws \OC\DatabaseException
+     */
+    private function removeChildren(ICacheEntry $entry) {
+        $children = $this->getFolderContentsById($entry->getId());
+        $childIds = array_map(function (ICacheEntry $cacheEntry) {
+            return $cacheEntry->getId();
+        }, $children);
+        $childFolders = array_filter($children, function ($child) {
+            return $child->getMimeType() == FileInfo::MIMETYPE_FOLDER;
+        });
+        foreach ($childFolders as $folder) {
+            $this->removeChildren($folder);
+        }
+
+        $query = $this->getQueryBuilder();
+        $query->delete('filecache')
+            ->whereParent($entry->getId());
+        $query->execute();
+
+        $query = $this->getQueryBuilder();
+        $query->delete('filecache_extended')
+            ->where($query->expr()->in('fileid', $query->createNamedParameter($childIds, IQueryBuilder::PARAM_INT_ARRAY)));
+        $query->execute();
+    }
+
+    /**
+     * Move a file or folder in the cache
+     *
+     * @param string $source
+     * @param string $target
+     */
+    public function move($source, $target) {
+        $this->moveFromCache($this, $source, $target);
+    }
+
+    /**
+     * Get the storage id and path needed for a move
+     *
+     * @param string $path
+     * @return array [$storageId, $internalPath]
+     */
+    protected function getMoveInfo($path) {
+        return [$this->getNumericStorageId(), $path];
+    }
+
+    /**
+     * Move a file or folder in the cache
+     *
+     * @param \OCP\Files\Cache\ICache $sourceCache
+     * @param string $sourcePath
+     * @param string $targetPath
+     * @throws \OC\DatabaseException
+     * @throws \Exception if the given storages have an invalid id
+     * @suppress SqlInjectionChecker
+     */
+    public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) {
+        if ($sourceCache instanceof Cache) {
+            // normalize source and target
+            $sourcePath = $this->normalize($sourcePath);
+            $targetPath = $this->normalize($targetPath);
+
+            $sourceData = $sourceCache->get($sourcePath);
+            $sourceId = $sourceData['fileid'];
+            $newParentId = $this->getParentId($targetPath);
+
+            [$sourceStorageId, $sourcePath] = $sourceCache->getMoveInfo($sourcePath);
+            [$targetStorageId, $targetPath] = $this->getMoveInfo($targetPath);
+
+            if (is_null($sourceStorageId) || $sourceStorageId === false) {
+                throw new \Exception('Invalid source storage id: ' . $sourceStorageId);
+            }
+            if (is_null($targetStorageId) || $targetStorageId === false) {
+                throw new \Exception('Invalid target storage id: ' . $targetStorageId);
+            }
+
+            $this->connection->beginTransaction();
+            if ($sourceData['mimetype'] === 'httpd/unix-directory') {
+                //update all child entries
+                $sourceLength = mb_strlen($sourcePath);
+                $query = $this->connection->getQueryBuilder();
+
+                $fun = $query->func();
+                $newPathFunction = $fun->concat(
+                    $query->createNamedParameter($targetPath),
+                    $fun->substring('path', $query->createNamedParameter($sourceLength + 1, IQueryBuilder::PARAM_INT))// +1 for the leading slash
+                );
+                $query->update('filecache')
+                    ->set('storage', $query->createNamedParameter($targetStorageId, IQueryBuilder::PARAM_INT))
+                    ->set('path_hash', $fun->md5($newPathFunction))
+                    ->set('path', $newPathFunction)
+                    ->where($query->expr()->eq('storage', $query->createNamedParameter($sourceStorageId, IQueryBuilder::PARAM_INT)))
+                    ->andWhere($query->expr()->like('path', $query->createNamedParameter($this->connection->escapeLikeParameter($sourcePath) . '/%')));
+
+                try {
+                    $query->execute();
+                } catch (\OC\DatabaseException $e) {
+                    $this->connection->rollBack();
+                    throw $e;
+                }
+            }
+
+            $query = $this->getQueryBuilder();
+            $query->update('filecache')
+                ->set('storage', $query->createNamedParameter($targetStorageId))
+                ->set('path', $query->createNamedParameter($targetPath))
+                ->set('path_hash', $query->createNamedParameter(md5($targetPath)))
+                ->set('name', $query->createNamedParameter(basename($targetPath)))
+                ->set('parent', $query->createNamedParameter($newParentId, IQueryBuilder::PARAM_INT))
+                ->whereFileId($sourceId);
+            $query->execute();
+
+            $this->connection->commit();
+        } else {
+            $this->moveFromCacheFallback($sourceCache, $sourcePath, $targetPath);
+        }
+    }
+
+    /**
+     * remove all entries for files that are stored on the storage from the cache
+     */
+    public function clear() {
+        $query = $this->getQueryBuilder();
+        $query->delete('filecache')
+            ->whereStorageId();
+        $query->execute();
+
+        $query = $this->connection->getQueryBuilder();
+        $query->delete('storages')
+            ->where($query->expr()->eq('id', $query->createNamedParameter($this->storageId)));
+        $query->execute();
+    }
+
+    /**
+     * Get the scan status of a file
+     *
+     * - Cache::NOT_FOUND: File is not in the cache
+     * - Cache::PARTIAL: File is not stored in the cache but some incomplete data is known
+     * - Cache::SHALLOW: The folder and it's direct children are in the cache but not all sub folders are fully scanned
+     * - Cache::COMPLETE: The file or folder, with all it's children) are fully scanned
+     *
+     * @param string $file
+     *
+     * @return int Cache::NOT_FOUND, Cache::PARTIAL, Cache::SHALLOW or Cache::COMPLETE
+     */
+    public function getStatus($file) {
+        // normalize file
+        $file = $this->normalize($file);
+
+        $query = $this->getQueryBuilder();
+        $query->select('size')
+            ->from('filecache')
+            ->whereStorageId()
+            ->wherePath($file);
+        $size = $query->execute()->fetchColumn();
+        if ($size !== false) {
+            if ((int)$size === -1) {
+                return self::SHALLOW;
+            } else {
+                return self::COMPLETE;
+            }
+        } else {
+            if (isset($this->partial[$file])) {
+                return self::PARTIAL;
+            } else {
+                return self::NOT_FOUND;
+            }
+        }
+    }
+
+    /**
+     * search for files matching $pattern
+     *
+     * @param string $pattern the search pattern using SQL search syntax (e.g. '%searchstring%')
+     * @return ICacheEntry[] an array of cache entries where the name matches the search pattern
+     */
+    public function search($pattern) {
+        // normalize pattern
+        $pattern = $this->normalize($pattern);
+
+        if ($pattern === '%%') {
+            return [];
+        }
+
+        $query = $this->getQueryBuilder();
+        $query->selectFileCache()
+            ->whereStorageId()
+            ->andWhere($query->expr()->iLike('name', $query->createNamedParameter($pattern)));
+
+        return array_map(function (array $data) {
+            return self::cacheEntryFromData($data, $this->mimetypeLoader);
+        }, $query->execute()->fetchAll());
+    }
+
+    /**
+     * @param Statement $result
+     * @return CacheEntry[]
+     */
+    private function searchResultToCacheEntries(Statement $result) {
+        $files = $result->fetchAll();
+
+        return array_map(function (array $data) {
+            return self::cacheEntryFromData($data, $this->mimetypeLoader);
+        }, $files);
+    }
+
+    /**
+     * search for files by mimetype
+     *
+     * @param string $mimetype either a full mimetype to search ('text/plain') or only the first part of a mimetype ('image')
+     *        where it will search for all mimetypes in the group ('image/*')
+     * @return ICacheEntry[] an array of cache entries where the mimetype matches the search
+     */
+    public function searchByMime($mimetype) {
+        $mimeId = $this->mimetypeLoader->getId($mimetype);
+
+        $query = $this->getQueryBuilder();
+        $query->selectFileCache()
+            ->whereStorageId();
+
+        if (strpos($mimetype, '/')) {
+            $query->andWhere($query->expr()->eq('mimetype', $query->createNamedParameter($mimeId, IQueryBuilder::PARAM_INT)));
+        } else {
+            $query->andWhere($query->expr()->eq('mimepart', $query->createNamedParameter($mimeId, IQueryBuilder::PARAM_INT)));
+        }
+
+        return array_map(function (array $data) {
+            return self::cacheEntryFromData($data, $this->mimetypeLoader);
+        }, $query->execute()->fetchAll());
+    }
+
+    public function searchQuery(ISearchQuery $searchQuery) {
+        $builder = $this->getQueryBuilder();
+
+        $query = $builder->selectFileCache('file');
+
+        $query->whereStorageId();
+
+        if ($this->querySearchHelper->shouldJoinTags($searchQuery->getSearchOperation())) {
+            $query
+                ->innerJoin('file', 'vcategory_to_object', 'tagmap', $builder->expr()->eq('file.fileid', 'tagmap.objid'))
+                ->innerJoin('tagmap', 'vcategory', 'tag', $builder->expr()->andX(
+                    $builder->expr()->eq('tagmap.type', 'tag.type'),
+                    $builder->expr()->eq('tagmap.categoryid', 'tag.id')
+                ))
+                ->andWhere($builder->expr()->eq('tag.type', $builder->createNamedParameter('files')))
+                ->andWhere($builder->expr()->eq('tag.uid', $builder->createNamedParameter($searchQuery->getUser()->getUID())));
+        }
+
+        $searchExpr = $this->querySearchHelper->searchOperatorToDBExpr($builder, $searchQuery->getSearchOperation());
+        if ($searchExpr) {
+            $query->andWhere($searchExpr);
+        }
+
+        if ($searchQuery->limitToHome() && ($this instanceof HomeCache)) {
+            $query->andWhere($builder->expr()->like('path', $query->expr()->literal('files/%')));
+        }
+
+        $this->querySearchHelper->addSearchOrdersToQuery($query, $searchQuery->getOrder());
+
+        if ($searchQuery->getLimit()) {
+            $query->setMaxResults($searchQuery->getLimit());
+        }
+        if ($searchQuery->getOffset()) {
+            $query->setFirstResult($searchQuery->getOffset());
+        }
+
+        $result = $query->execute();
+        return $this->searchResultToCacheEntries($result);
+    }
+
+    /**
+     * Re-calculate the folder size and the size of all parent folders
+     *
+     * @param string|boolean $path
+     * @param array $data (optional) meta data of the folder
+     */
+    public function correctFolderSize($path, $data = null, $isBackgroundScan = false) {
+        $this->calculateFolderSize($path, $data);
+        if ($path !== '') {
+            $parent = dirname($path);
+            if ($parent === '.' or $parent === '/') {
+                $parent = '';
+            }
+            if ($isBackgroundScan) {
+                $parentData = $this->get($parent);
+                if ($parentData['size'] !== -1 && $this->getIncompleteChildrenCount($parentData['fileid']) === 0) {
+                    $this->correctFolderSize($parent, $parentData, $isBackgroundScan);
+                }
+            } else {
+                $this->correctFolderSize($parent);
+            }
+        }
+    }
+
+    /**
+     * get the incomplete count that shares parent $folder
+     *
+     * @param int $fileId the file id of the folder
+     * @return int
+     */
+    public function getIncompleteChildrenCount($fileId) {
+        if ($fileId > -1) {
+            $query = $this->getQueryBuilder();
+            $query->select($query->func()->count())
+                ->from('filecache')
+                ->whereParent($fileId)
+                ->andWhere($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)));
+
+            return (int)$query->execute()->fetchColumn();
+        }
+        return -1;
+    }
+
+    /**
+     * calculate the size of a folder and set it in the cache
+     *
+     * @param string $path
+     * @param array $entry (optional) meta data of the folder
+     * @return int
+     */
+    public function calculateFolderSize($path, $entry = null) {
+        $totalSize = 0;
+        if (is_null($entry) or !isset($entry['fileid'])) {
+            $entry = $this->get($path);
+        }
+        if (isset($entry['mimetype']) && $entry['mimetype'] === FileInfo::MIMETYPE_FOLDER) {
+            $id = $entry['fileid'];
+
+            $query = $this->getQueryBuilder();
+            $query->selectAlias($query->func()->sum('size'), 'f1')
+                ->selectAlias($query->func()->min('size'), 'f2')
+                ->from('filecache')
+                ->whereStorageId()
+                ->whereParent($id);
+
+            if ($row = $query->execute()->fetch()) {
+                [$sum, $min] = array_values($row);
+                $sum = 0 + $sum;
+                $min = 0 + $min;
+                if ($min === -1) {
+                    $totalSize = $min;
+                } else {
+                    $totalSize = $sum;
+                }
+                if ($entry['size'] !== $totalSize) {
+                    $this->update($id, ['size' => $totalSize]);
+                }
+            }
+        }
+        return $totalSize;
+    }
+
+    /**
+     * get all file ids on the files on the storage
+     *
+     * @return int[]
+     */
+    public function getAll() {
+        $query = $this->getQueryBuilder();
+        $query->select('fileid')
+            ->from('filecache')
+            ->whereStorageId();
+
+        return array_map(function ($id) {
+            return (int)$id;
+        }, $query->execute()->fetchAll(\PDO::FETCH_COLUMN));
+    }
+
+    /**
+     * find a folder in the cache which has not been fully scanned
+     *
+     * If multiple incomplete folders are in the cache, the one with the highest id will be returned,
+     * use the one with the highest id gives the best result with the background scanner, since that is most
+     * likely the folder where we stopped scanning previously
+     *
+     * @return string|bool the path of the folder or false when no folder matched
+     */
+    public function getIncomplete() {
+        $query = $this->getQueryBuilder();
+        $query->select('path')
+            ->from('filecache')
+            ->whereStorageId()
+            ->andWhere($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)))
+            ->orderBy('fileid', 'DESC');
+
+        return $query->execute()->fetchColumn();
+    }
+
+    /**
+     * get the path of a file on this storage by it's file id
+     *
+     * @param int $id the file id of the file or folder to search
+     * @return string|null the path of the file (relative to the storage) or null if a file with the given id does not exists within this cache
+     */
+    public function getPathById($id) {
+        $query = $this->getQueryBuilder();
+        $query->select('path')
+            ->from('filecache')
+            ->whereStorageId()
+            ->whereFileId($id);
+
+        $path = $query->execute()->fetchColumn();
+        return $path === false ? null : $path;
+    }
+
+    /**
+     * get the storage id of the storage for a file and the internal path of the file
+     * unlike getPathById this does not limit the search to files on this storage and
+     * instead does a global search in the cache table
+     *
+     * @param int $id
+     * @return array first element holding the storage id, second the path
+     * @deprecated use getPathById() instead
+     */
+    static public function getById($id) {
+        $query = \OC::$server->getDatabaseConnection()->getQueryBuilder();
+        $query->select('path', 'storage')
+            ->from('filecache')
+            ->where($query->expr()->eq('fileid', $query->createNamedParameter($id, IQueryBuilder::PARAM_INT)));
+        if ($row = $query->execute()->fetch()) {
+            $numericId = $row['storage'];
+            $path = $row['path'];
+        } else {
+            return null;
+        }
+
+        if ($id = Storage::getStorageId($numericId)) {
+            return [$id, $path];
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * normalize the given path
+     *
+     * @param string $path
+     * @return string
+     */
+    public function normalize($path) {
+
+        return trim(\OC_Util::normalizeUnicode($path), '/');
+    }
 }

Spacing +26 added lines, -26 removed lines

@@ -171,21 +171,21 @@ 
 	 */
 	public static function cacheEntryFromData($data, IMimeTypeLoader $mimetypeLoader) {
 		//fix types
-		$data['fileid'] = (int)$data['fileid'];
-		$data['parent'] = (int)$data['parent'];
+		$data['fileid'] = (int) $data['fileid'];
+		$data['parent'] = (int) $data['parent'];
 		$data['size'] = 0 + $data['size'];
-		$data['mtime'] = (int)$data['mtime'];
-		$data['storage_mtime'] = (int)$data['storage_mtime'];
-		$data['encryptedVersion'] = (int)$data['encrypted'];
-		$data['encrypted'] = (bool)$data['encrypted'];
+		$data['mtime'] = (int) $data['mtime'];
+		$data['storage_mtime'] = (int) $data['storage_mtime'];
+		$data['encryptedVersion'] = (int) $data['encrypted'];
+		$data['encrypted'] = (bool) $data['encrypted'];
 		$data['storage_id'] = $data['storage'];
-		$data['storage'] = (int)$data['storage'];
+		$data['storage'] = (int) $data['storage'];
 		$data['mimetype'] = $mimetypeLoader->getMimetypeById($data['mimetype']);
 		$data['mimepart'] = $mimetypeLoader->getMimetypeById($data['mimepart']);
 		if ($data['storage_mtime'] == 0) {
 			$data['storage_mtime'] = $data['mtime'];
 		}
-		$data['permissions'] = (int)$data['permissions'];
+		$data['permissions'] = (int) $data['permissions'];
 		if (isset($data['creation_time'])) {
 			$data['creation_time'] = (int) $data['creation_time'];
 		}
@@ -220,7 +220,7 @@ 
 				->orderBy('name', 'ASC');
 
 			$files = $query->execute()->fetchAll();
-			return array_map(function (array $data) {
+			return array_map(function(array $data) {
 				return self::cacheEntryFromData($data, $this->mimetypeLoader);
 			}, $files);
 		}
@@ -349,7 +349,7 @@ 
 
 			$query->update('filecache')
 				->whereFileId($id)
-				->andWhere($query->expr()->orX(...array_map(function ($key, $value) use ($query) {
+				->andWhere($query->expr()->orX(...array_map(function($key, $value) use ($query) {
 					return $query->expr()->orX(
 						$query->expr()->neq($key, $query->createNamedParameter($value)),
 						$query->expr()->isNull($key)
@@ -378,7 +378,7 @@ 
 				$query = $this->getQueryBuilder();
 				$query->update('filecache_extended')
 					->whereFileId($id)
-					->andWhere($query->expr()->orX(...array_map(function ($key, $value) use ($query) {
+					->andWhere($query->expr()->orX(...array_map(function($key, $value) use ($query) {
 						return $query->expr()->orX(
 							$query->expr()->neq($key, $query->createNamedParameter($value)),
 							$query->expr()->isNull($key)
@@ -470,7 +470,7 @@ 
 			->wherePath($file);
 
 		$id = $query->execute()->fetchColumn();
-		return $id === false ? -1 : (int)$id;
+		return $id === false ? -1 : (int) $id;
 	}
 
 	/**
@@ -484,7 +484,7 @@ 
 			return -1;
 		} else {
 			$parent = $this->getParentPath($file);
-			return (int)$this->getId($parent);
+			return (int) $this->getId($parent);
 		}
 	}
 
@@ -541,7 +541,7 @@ 
 	 */
 	private function getSubFolders(ICacheEntry $entry) {
 		$children = $this->getFolderContentsById($entry->getId());
-		return array_filter($children, function ($child) {
+		return array_filter($children, function($child) {
 			return $child->getMimeType() == FileInfo::MIMETYPE_FOLDER;
 		});
 	}
@@ -554,10 +554,10 @@ 
 	 */
 	private function removeChildren(ICacheEntry $entry) {
 		$children = $this->getFolderContentsById($entry->getId());
-		$childIds = array_map(function (ICacheEntry $cacheEntry) {
+		$childIds = array_map(function(ICacheEntry $cacheEntry) {
 			return $cacheEntry->getId();
 		}, $children);
-		$childFolders = array_filter($children, function ($child) {
+		$childFolders = array_filter($children, function($child) {
 			return $child->getMimeType() == FileInfo::MIMETYPE_FOLDER;
 		});
 		foreach ($childFolders as $folder) {
@@ -619,10 +619,10 @@ 
 			[$targetStorageId, $targetPath] = $this->getMoveInfo($targetPath);
 
 			if (is_null($sourceStorageId) || $sourceStorageId === false) {
-				throw new \Exception('Invalid source storage id: ' . $sourceStorageId);
+				throw new \Exception('Invalid source storage id: '.$sourceStorageId);
 			}
 			if (is_null($targetStorageId) || $targetStorageId === false) {
-				throw new \Exception('Invalid target storage id: ' . $targetStorageId);
+				throw new \Exception('Invalid target storage id: '.$targetStorageId);
 			}
 
 			$this->connection->beginTransaction();
@@ -641,7 +641,7 @@ 
 					->set('path_hash', $fun->md5($newPathFunction))
 					->set('path', $newPathFunction)
 					->where($query->expr()->eq('storage', $query->createNamedParameter($sourceStorageId, IQueryBuilder::PARAM_INT)))
-					->andWhere($query->expr()->like('path', $query->createNamedParameter($this->connection->escapeLikeParameter($sourcePath) . '/%')));
+					->andWhere($query->expr()->like('path', $query->createNamedParameter($this->connection->escapeLikeParameter($sourcePath).'/%')));
 
 				try {
 					$query->execute();
@@ -705,7 +705,7 @@ 
 			->wherePath($file);
 		$size = $query->execute()->fetchColumn();
 		if ($size !== false) {
-			if ((int)$size === -1) {
+			if ((int) $size === -1) {
 				return self::SHALLOW;
 			} else {
 				return self::COMPLETE;
@@ -738,7 +738,7 @@ 
 			->whereStorageId()
 			->andWhere($query->expr()->iLike('name', $query->createNamedParameter($pattern)));
 
-		return array_map(function (array $data) {
+		return array_map(function(array $data) {
 			return self::cacheEntryFromData($data, $this->mimetypeLoader);
 		}, $query->execute()->fetchAll());
 	}
@@ -750,7 +750,7 @@ 
 	private function searchResultToCacheEntries(Statement $result) {
 		$files = $result->fetchAll();
 
-		return array_map(function (array $data) {
+		return array_map(function(array $data) {
 			return self::cacheEntryFromData($data, $this->mimetypeLoader);
 		}, $files);
 	}
@@ -775,7 +775,7 @@ 
 			$query->andWhere($query->expr()->eq('mimepart', $query->createNamedParameter($mimeId, IQueryBuilder::PARAM_INT)));
 		}
 
-		return array_map(function (array $data) {
+		return array_map(function(array $data) {
 			return self::cacheEntryFromData($data, $this->mimetypeLoader);
 		}, $query->execute()->fetchAll());
 	}
@@ -858,7 +858,7 @@ 
 				->whereParent($fileId)
 				->andWhere($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)));
 
-			return (int)$query->execute()->fetchColumn();
+			return (int) $query->execute()->fetchColumn();
 		}
 		return -1;
 	}
@@ -913,8 +913,8 @@ 
 			->from('filecache')
 			->whereStorageId();
 
-		return array_map(function ($id) {
-			return (int)$id;
+		return array_map(function($id) {
+			return (int) $id;
 		}, $query->execute()->fetchAll(\PDO::FETCH_COLUMN));
 	}
 

lib/private/Route/Route.php

Indentation +115 added lines, -115 removed lines

@@ -33,128 +33,128 @@
 use Symfony\Component\Routing\Route as SymfonyRoute;
 
 class Route extends SymfonyRoute implements IRoute {
-	/**
-	 * Specify the method when this route is to be used
-	 *
-	 * @param string $method HTTP method (uppercase)
-	 * @return \OC\Route\Route
-	 */
-	public function method($method) {
-		$this->setMethods($method);
-		return $this;
-	}
+    /**
+     * Specify the method when this route is to be used
+     *
+     * @param string $method HTTP method (uppercase)
+     * @return \OC\Route\Route
+     */
+    public function method($method) {
+        $this->setMethods($method);
+        return $this;
+    }
 
-	/**
-	 * Specify POST as the method to use with this route
-	 * @return \OC\Route\Route
-	 */
-	public function post() {
-		$this->method('POST');
-		return $this;
-	}
+    /**
+     * Specify POST as the method to use with this route
+     * @return \OC\Route\Route
+     */
+    public function post() {
+        $this->method('POST');
+        return $this;
+    }
 
-	/**
-	 * Specify GET as the method to use with this route
-	 * @return \OC\Route\Route
-	 */
-	public function get() {
-		$this->method('GET');
-		return $this;
-	}
+    /**
+     * Specify GET as the method to use with this route
+     * @return \OC\Route\Route
+     */
+    public function get() {
+        $this->method('GET');
+        return $this;
+    }
 
-	/**
-	 * Specify PUT as the method to use with this route
-	 * @return \OC\Route\Route
-	 */
-	public function put() {
-		$this->method('PUT');
-		return $this;
-	}
+    /**
+     * Specify PUT as the method to use with this route
+     * @return \OC\Route\Route
+     */
+    public function put() {
+        $this->method('PUT');
+        return $this;
+    }
 
-	/**
-	 * Specify DELETE as the method to use with this route
-	 * @return \OC\Route\Route
-	 */
-	public function delete() {
-		$this->method('DELETE');
-		return $this;
-	}
+    /**
+     * Specify DELETE as the method to use with this route
+     * @return \OC\Route\Route
+     */
+    public function delete() {
+        $this->method('DELETE');
+        return $this;
+    }
 
-	/**
-	 * Specify PATCH as the method to use with this route
-	 * @return \OC\Route\Route
-	 */
-	public function patch() {
-		$this->method('PATCH');
-		return $this;
-	}
+    /**
+     * Specify PATCH as the method to use with this route
+     * @return \OC\Route\Route
+     */
+    public function patch() {
+        $this->method('PATCH');
+        return $this;
+    }
 
-	/**
-	 * Defaults to use for this route
-	 *
-	 * @param array $defaults The defaults
-	 * @return \OC\Route\Route
-	 */
-	public function defaults($defaults) {
-		$action = $this->getDefault('action');
-		$this->setDefaults($defaults);
-		if (isset($defaults['action'])) {
-			$action = $defaults['action'];
-		}
-		$this->action($action);
-		return $this;
-	}
+    /**
+     * Defaults to use for this route
+     *
+     * @param array $defaults The defaults
+     * @return \OC\Route\Route
+     */
+    public function defaults($defaults) {
+        $action = $this->getDefault('action');
+        $this->setDefaults($defaults);
+        if (isset($defaults['action'])) {
+            $action = $defaults['action'];
+        }
+        $this->action($action);
+        return $this;
+    }
 
-	/**
-	 * Requirements for this route
-	 *
-	 * @param array $requirements The requirements
-	 * @return \OC\Route\Route
-	 */
-	public function requirements($requirements) {
-		$method = $this->getMethods();
-		$this->setRequirements($requirements);
-		if (isset($requirements['_method'])) {
-			$method = $requirements['_method'];
-		}
-		if ($method) {
-			$this->method($method);
-		}
-		return $this;
-	}
+    /**
+     * Requirements for this route
+     *
+     * @param array $requirements The requirements
+     * @return \OC\Route\Route
+     */
+    public function requirements($requirements) {
+        $method = $this->getMethods();
+        $this->setRequirements($requirements);
+        if (isset($requirements['_method'])) {
+            $method = $requirements['_method'];
+        }
+        if ($method) {
+            $this->method($method);
+        }
+        return $this;
+    }
 
-	/**
-	 * The action to execute when this route matches
-	 *
-	 * @param string|callable $class the class or a callable
-	 * @param string $function the function to use with the class
-	 * @return \OC\Route\Route
-	 *
-	 * This function is called with $class set to a callable or
-	 * to the class with $function
-	 */
-	public function action($class, $function = null) {
-		$action = [$class, $function];
-		if (is_null($function)) {
-			$action = $class;
-		}
-		$this->setDefault('action', $action);
-		return $this;
-	}
+    /**
+     * The action to execute when this route matches
+     *
+     * @param string|callable $class the class or a callable
+     * @param string $function the function to use with the class
+     * @return \OC\Route\Route
+     *
+     * This function is called with $class set to a callable or
+     * to the class with $function
+     */
+    public function action($class, $function = null) {
+        $action = [$class, $function];
+        if (is_null($function)) {
+            $action = $class;
+        }
+        $this->setDefault('action', $action);
+        return $this;
+    }
 
-	/**
-	 * The action to execute when this route matches, includes a file like
-	 * it is called directly
-	 * @param string $file
-	 * @return void
-	 */
-	public function actionInclude($file) {
-		$function = function ($param) use ($file) {
-			unset($param["_route"]);
-			$_GET=array_merge($_GET, $param);
-			unset($param);
-			require_once "$file";
-		} ;
-		$this->action($function);
-	}
+    /**
+     * The action to execute when this route matches, includes a file like
+     * it is called directly
+     * @param string $file
+     * @return void
+     */
+    public function actionInclude($file) {
+        $function = function ($param) use ($file) {
+            unset($param["_route"]);
+            $_GET=array_merge($_GET, $param);
+            unset($param);
+            require_once "$file";
+        } ;
+        $this->action($function);
+    }
 }

Spacing +2 added lines, -2 removed lines

@@ -149,9 +149,9 @@
 	 * @return void
 	 */
 	public function actionInclude($file) {
-		$function = function ($param) use ($file) {
+		$function = function($param) use ($file) {
 			unset($param["_route"]);
-			$_GET=array_merge($_GET, $param);
+			$_GET = array_merge($_GET, $param);
 			unset($param);
 			require_once "$file";
 		} ;

lib/private/Server.php

Indentation +2002 added lines, -2002 removed lines

@@ -242,2011 +242,2011 @@
  * TODO: hookup all manager classes
  */
 class Server extends ServerContainer implements IServerContainer {
-	/** @var string */
-	private $webRoot;
-
-	/**
-	 * @param string $webRoot
-	 * @param \OC\Config $config
-	 */
-	public function __construct($webRoot, \OC\Config $config) {
-		parent::__construct();
-		$this->webRoot = $webRoot;
-
-		// To find out if we are running from CLI or not
-		$this->registerParameter('isCLI', \OC::$CLI);
-
-		$this->registerService(\OCP\IServerContainer::class, function (IServerContainer $c) {
-			return $c;
-		});
-
-		$this->registerAlias(\OCP\Calendar\IManager::class, \OC\Calendar\Manager::class);
-		$this->registerDeprecatedAlias('CalendarManager', \OC\Calendar\Manager::class);
-
-		$this->registerAlias(\OCP\Calendar\Resource\IManager::class, \OC\Calendar\Resource\Manager::class);
-		$this->registerDeprecatedAlias('CalendarResourceBackendManager', \OC\Calendar\Resource\Manager::class);
-
-		$this->registerAlias(\OCP\Calendar\Room\IManager::class, \OC\Calendar\Room\Manager::class);
-		$this->registerDeprecatedAlias('CalendarRoomBackendManager', \OC\Calendar\Room\Manager::class);
-
-		$this->registerAlias(\OCP\Contacts\IManager::class, \OC\ContactsManager::class);
-		$this->registerDeprecatedAlias('ContactsManager', \OCP\Contacts\IManager::class);
-
-		$this->registerAlias(\OCP\DirectEditing\IManager::class, \OC\DirectEditing\Manager::class);
-
-		$this->registerAlias(IActionFactory::class, ActionFactory::class);
-
-
-		$this->registerService(IPreview::class, function (Server $c) {
-			return new PreviewManager(
-				$c->getConfig(),
-				$c->getRootFolder(),
-				$c->getAppDataDir('preview'),
-				$c->getEventDispatcher(),
-				$c->getGeneratorHelper(),
-				$c->getSession()->get('user_id')
-			);
-		});
-		$this->registerDeprecatedAlias('PreviewManager', IPreview::class);
-
-		$this->registerService(\OC\Preview\Watcher::class, function (Server $c) {
-			return new \OC\Preview\Watcher(
-				$c->getAppDataDir('preview')
-			);
-		});
-
-		$this->registerService(\OCP\Encryption\IManager::class, function (Server $c) {
-			$view = new View();
-			$util = new Encryption\Util(
-				$view,
-				$c->getUserManager(),
-				$c->getGroupManager(),
-				$c->getConfig()
-			);
-			return new Encryption\Manager(
-				$c->getConfig(),
-				$c->getLogger(),
-				$c->getL10N('core'),
-				new View(),
-				$util,
-				new ArrayCache()
-			);
-		});
-		$this->registerDeprecatedAlias('EncryptionManager', \OCP\Encryption\IManager::class);
-
-		$this->registerService('EncryptionFileHelper', function (Server $c) {
-			$util = new Encryption\Util(
-				new View(),
-				$c->getUserManager(),
-				$c->getGroupManager(),
-				$c->getConfig()
-			);
-			return new Encryption\File(
-				$util,
-				$c->getRootFolder(),
-				$c->getShareManager()
-			);
-		});
-
-		$this->registerService('EncryptionKeyStorage', function (Server $c) {
-			$view = new View();
-			$util = new Encryption\Util(
-				$view,
-				$c->getUserManager(),
-				$c->getGroupManager(),
-				$c->getConfig()
-			);
-
-			return new Encryption\Keys\Storage($view, $util);
-		});
-		$this->registerService('TagMapper', function (Server $c) {
-			return new TagMapper($c->getDatabaseConnection());
-		});
-
-		$this->registerService(\OCP\ITagManager::class, function (Server $c) {
-			$tagMapper = $c->query('TagMapper');
-			return new TagManager($tagMapper, $c->getUserSession());
-		});
-		$this->registerDeprecatedAlias('TagManager', \OCP\ITagManager::class);
-
-		$this->registerService('SystemTagManagerFactory', function (Server $c) {
-			$config = $c->getConfig();
-			$factoryClass = $config->getSystemValue('systemtags.managerFactory', SystemTagManagerFactory::class);
-			return new $factoryClass($this);
-		});
-		$this->registerService(ISystemTagManager::class, function (Server $c) {
-			return $c->query('SystemTagManagerFactory')->getManager();
-		});
-		$this->registerDeprecatedAlias('SystemTagManager', ISystemTagManager::class);
-
-		$this->registerService(ISystemTagObjectMapper::class, function (Server $c) {
-			return $c->query('SystemTagManagerFactory')->getObjectMapper();
-		});
-		$this->registerService('RootFolder', function (Server $c) {
-			$manager = \OC\Files\Filesystem::getMountManager(null);
-			$view = new View();
-			$root = new Root(
-				$manager,
-				$view,
-				null,
-				$c->getUserMountCache(),
-				$this->getLogger(),
-				$this->getUserManager()
-			);
-			$connector = new HookConnector($root, $view, $c->getEventDispatcher());
-			$connector->viewToNode();
-
-			$previewConnector = new \OC\Preview\WatcherConnector($root, $c->getSystemConfig());
-			$previewConnector->connectWatcher();
-
-			return $root;
-		});
-		$this->registerDeprecatedAlias('SystemTagObjectMapper', ISystemTagObjectMapper::class);
-
-		$this->registerService(IRootFolder::class, function (Server $c) {
-			return new LazyRoot(function () use ($c) {
-				return $c->query('RootFolder');
-			});
-		});
-		$this->registerDeprecatedAlias('LazyRootFolder', IRootFolder::class);
-
-		$this->registerDeprecatedAlias('UserManager', \OC\User\Manager::class);
-		$this->registerAlias(\OCP\IUserManager::class, \OC\User\Manager::class);
-
-		$this->registerService(\OCP\IGroupManager::class, function (Server $c) {
-			$groupManager = new \OC\Group\Manager($this->getUserManager(), $c->getEventDispatcher(), $this->getLogger());
-			$groupManager->listen('\OC\Group', 'preCreate', function ($gid) {
-				\OC_Hook::emit('OC_Group', 'pre_createGroup', ['run' => true, 'gid' => $gid]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeGroupCreatedEvent($gid));
-			});
-			$groupManager->listen('\OC\Group', 'postCreate', function (\OC\Group\Group $group) {
-				\OC_Hook::emit('OC_User', 'post_createGroup', ['gid' => $group->getGID()]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new GroupCreatedEvent($group));
-			});
-			$groupManager->listen('\OC\Group', 'preDelete', function (\OC\Group\Group $group) {
-				\OC_Hook::emit('OC_Group', 'pre_deleteGroup', ['run' => true, 'gid' => $group->getGID()]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeGroupDeletedEvent($group));
-			});
-			$groupManager->listen('\OC\Group', 'postDelete', function (\OC\Group\Group $group) {
-				\OC_Hook::emit('OC_User', 'post_deleteGroup', ['gid' => $group->getGID()]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new GroupDeletedEvent($group));
-			});
-			$groupManager->listen('\OC\Group', 'preAddUser', function (\OC\Group\Group $group, \OC\User\User $user) {
-				\OC_Hook::emit('OC_Group', 'pre_addToGroup', ['run' => true, 'uid' => $user->getUID(), 'gid' => $group->getGID()]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserAddedEvent($group, $user));
-			});
-			$groupManager->listen('\OC\Group', 'postAddUser', function (\OC\Group\Group $group, \OC\User\User $user) {
-				\OC_Hook::emit('OC_Group', 'post_addToGroup', ['uid' => $user->getUID(), 'gid' => $group->getGID()]);
-				//Minimal fix to keep it backward compatible TODO: clean up all the GroupManager hooks
-				\OC_Hook::emit('OC_User', 'post_addToGroup', ['uid' => $user->getUID(), 'gid' => $group->getGID()]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserAddedEvent($group, $user));
-			});
-			$groupManager->listen('\OC\Group', 'preRemoveUser', function (\OC\Group\Group $group, \OC\User\User $user) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserRemovedEvent($group, $user));
-			});
-			$groupManager->listen('\OC\Group', 'postRemoveUser', function (\OC\Group\Group $group, \OC\User\User $user) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserRemovedEvent($group, $user));
-			});
-			return $groupManager;
-		});
-		$this->registerDeprecatedAlias('GroupManager', \OCP\IGroupManager::class);
-
-		$this->registerService(Store::class, function (Server $c) {
-			$session = $c->getSession();
-			if (\OC::$server->getSystemConfig()->getValue('installed', false)) {
-				$tokenProvider = $c->query(IProvider::class);
-			} else {
-				$tokenProvider = null;
-			}
-			$logger = $c->getLogger();
-			return new Store($session, $logger, $tokenProvider);
-		});
-		$this->registerAlias(IStore::class, Store::class);
-		$this->registerService(Authentication\Token\DefaultTokenMapper::class, function (Server $c) {
-			$dbConnection = $c->getDatabaseConnection();
-			return new Authentication\Token\DefaultTokenMapper($dbConnection);
-		});
-		$this->registerAlias(IProvider::class, Authentication\Token\Manager::class);
-
-		$this->registerService(\OC\User\Session::class, function (Server $c) {
-			$manager = $c->getUserManager();
-			$session = new \OC\Session\Memory('');
-			$timeFactory = new TimeFactory();
-			// Token providers might require a working database. This code
-			// might however be called when ownCloud is not yet setup.
-			if (\OC::$server->getSystemConfig()->getValue('installed', false)) {
-				$defaultTokenProvider = $c->query(IProvider::class);
-			} else {
-				$defaultTokenProvider = null;
-			}
-
-			$legacyDispatcher = $c->getEventDispatcher();
-
-			$userSession = new \OC\User\Session(
-				$manager,
-				$session,
-				$timeFactory,
-				$defaultTokenProvider,
-				$c->getConfig(),
-				$c->getSecureRandom(),
-				$c->getLockdownManager(),
-				$c->getLogger(),
-				$c->query(IEventDispatcher::class)
-			);
-			$userSession->listen('\OC\User', 'preCreateUser', function ($uid, $password) {
-				\OC_Hook::emit('OC_User', 'pre_createUser', ['run' => true, 'uid' => $uid, 'password' => $password]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserCreatedEvent($uid, $password));
-			});
-			$userSession->listen('\OC\User', 'postCreateUser', function ($user, $password) {
-				/** @var $user \OC\User\User */
-				\OC_Hook::emit('OC_User', 'post_createUser', ['uid' => $user->getUID(), 'password' => $password]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserCreatedEvent($user, $password));
-			});
-			$userSession->listen('\OC\User', 'preDelete', function ($user) use ($legacyDispatcher) {
-				/** @var $user \OC\User\User */
-				\OC_Hook::emit('OC_User', 'pre_deleteUser', ['run' => true, 'uid' => $user->getUID()]);
-				$legacyDispatcher->dispatch('OCP\IUser::preDelete', new GenericEvent($user));
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserDeletedEvent($user));
-			});
-			$userSession->listen('\OC\User', 'postDelete', function ($user) {
-				/** @var $user \OC\User\User */
-				\OC_Hook::emit('OC_User', 'post_deleteUser', ['uid' => $user->getUID()]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserDeletedEvent($user));
-			});
-			$userSession->listen('\OC\User', 'preSetPassword', function ($user, $password, $recoveryPassword) {
-				/** @var $user \OC\User\User */
-				\OC_Hook::emit('OC_User', 'pre_setPassword', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforePasswordUpdatedEvent($user, $password, $recoveryPassword));
-			});
-			$userSession->listen('\OC\User', 'postSetPassword', function ($user, $password, $recoveryPassword) {
-				/** @var $user \OC\User\User */
-				\OC_Hook::emit('OC_User', 'post_setPassword', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new PasswordUpdatedEvent($user, $password, $recoveryPassword));
-			});
-			$userSession->listen('\OC\User', 'preLogin', function ($uid, $password) {
-				\OC_Hook::emit('OC_User', 'pre_login', ['run' => true, 'uid' => $uid, 'password' => $password]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserLoggedInEvent($uid, $password));
-			});
-			$userSession->listen('\OC\User', 'postLogin', function ($user, $password, $isTokenLogin) {
-				/** @var $user \OC\User\User */
-				\OC_Hook::emit('OC_User', 'post_login', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'isTokenLogin' => $isTokenLogin]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserLoggedInEvent($user, $password, $isTokenLogin));
-			});
-			$userSession->listen('\OC\User', 'preRememberedLogin', function ($uid) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserLoggedInWithCookieEvent($uid));
-			});
-			$userSession->listen('\OC\User', 'postRememberedLogin', function ($user, $password) {
-				/** @var $user \OC\User\User */
-				\OC_Hook::emit('OC_User', 'post_login', ['run' => true, 'uid' => $user->getUID(), 'password' => $password]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserLoggedInWithCookieEvent($user, $password));
-			});
-			$userSession->listen('\OC\User', 'logout', function ($user) {
-				\OC_Hook::emit('OC_User', 'logout', []);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserLoggedOutEvent($user));
-			});
-			$userSession->listen('\OC\User', 'postLogout', function ($user) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserLoggedOutEvent($user));
-			});
-			$userSession->listen('\OC\User', 'changeUser', function ($user, $feature, $value, $oldValue) {
-				/** @var $user \OC\User\User */
-				\OC_Hook::emit('OC_User', 'changeUser', ['run' => true, 'user' => $user, 'feature' => $feature, 'value' => $value, 'old_value' => $oldValue]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->query(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserChangedEvent($user, $feature, $value, $oldValue));
-			});
-			return $userSession;
-		});
-		$this->registerAlias(\OCP\IUserSession::class, \OC\User\Session::class);
-		$this->registerDeprecatedAlias('UserSession', \OC\User\Session::class);
-
-		$this->registerAlias(\OCP\Authentication\TwoFactorAuth\IRegistry::class, \OC\Authentication\TwoFactorAuth\Registry::class);
-
-		$this->registerAlias(INavigationManager::class, \OC\NavigationManager::class);
-		$this->registerDeprecatedAlias('NavigationManager', INavigationManager::class);
-
-		$this->registerService(\OC\AllConfig::class, function (Server $c) {
-			return new \OC\AllConfig(
-				$c->getSystemConfig()
-			);
-		});
-		$this->registerDeprecatedAlias('AllConfig', \OC\AllConfig::class);
-		$this->registerAlias(\OCP\IConfig::class, \OC\AllConfig::class);
-
-		$this->registerService(\OC\SystemConfig::class, function ($c) use ($config) {
-			return new \OC\SystemConfig($config);
-		});
-		$this->registerDeprecatedAlias('SystemConfig', \OC\SystemConfig::class);
-
-		$this->registerService(\OC\AppConfig::class, function (Server $c) {
-			return new \OC\AppConfig($c->getDatabaseConnection());
-		});
-		$this->registerDeprecatedAlias('AppConfig', \OC\AppConfig::class);
-		$this->registerAlias(IAppConfig::class, \OC\AppConfig::class);
-
-		$this->registerService(IFactory::class, function (Server $c) {
-			return new \OC\L10N\Factory(
-				$c->getConfig(),
-				$c->getRequest(),
-				$c->getUserSession(),
-				\OC::$SERVERROOT
-			);
-		});
-		$this->registerDeprecatedAlias('L10NFactory', IFactory::class);
-
-		$this->registerService(IURLGenerator::class, function (Server $c) {
-			$config = $c->getConfig();
-			$cacheFactory = $c->getMemCacheFactory();
-			$request = $c->getRequest();
-			return new \OC\URLGenerator(
-				$config,
-				$cacheFactory,
-				$request
-			);
-		});
-		$this->registerDeprecatedAlias('URLGenerator', IURLGenerator::class);
-
-		$this->registerDeprecatedAlias('AppFetcher', AppFetcher::class);
-		$this->registerDeprecatedAlias('CategoryFetcher', CategoryFetcher::class);
-
-		$this->registerService(ICache::class, function ($c) {
-			return new Cache\File();
-		});
-		$this->registerDeprecatedAlias('UserCache', ICache::class);
-
-		$this->registerService(Factory::class, function (Server $c) {
-
-			$arrayCacheFactory = new \OC\Memcache\Factory('', $c->getLogger(),
-				ArrayCache::class,
-				ArrayCache::class,
-				ArrayCache::class
-			);
-			$config = $c->getConfig();
-
-			if ($config->getSystemValue('installed', false) && !(defined('PHPUNIT_RUN') && PHPUNIT_RUN)) {
-				$v = \OC_App::getAppVersions();
-				$v['core'] = implode(',', \OC_Util::getVersion());
-				$version = implode(',', $v);
-				$instanceId = \OC_Util::getInstanceId();
-				$path = \OC::$SERVERROOT;
-				$prefix = md5($instanceId . '-' . $version . '-' . $path);
-				return new \OC\Memcache\Factory($prefix, $c->getLogger(),
-					$config->getSystemValue('memcache.local', null),
-					$config->getSystemValue('memcache.distributed', null),
-					$config->getSystemValue('memcache.locking', null)
-				);
-			}
-			return $arrayCacheFactory;
-
-		});
-		$this->registerDeprecatedAlias('MemCacheFactory', Factory::class);
-		$this->registerAlias(ICacheFactory::class, Factory::class);
-
-		$this->registerService('RedisFactory', function (Server $c) {
-			$systemConfig = $c->getSystemConfig();
-			return new RedisFactory($systemConfig);
-		});
-
-		$this->registerService(\OCP\Activity\IManager::class, function (Server $c) {
-			return new \OC\Activity\Manager(
-				$c->getRequest(),
-				$c->getUserSession(),
-				$c->getConfig(),
-				$c->query(IValidator::class)
-			);
-		});
-		$this->registerDeprecatedAlias('ActivityManager', \OCP\Activity\IManager::class);
-
-		$this->registerService(\OCP\Activity\IEventMerger::class, function (Server $c) {
-			return new \OC\Activity\EventMerger(
-				$c->getL10N('lib')
-			);
-		});
-		$this->registerAlias(IValidator::class, Validator::class);
-
-		$this->registerService(AvatarManager::class, function (Server $c) {
-			return new AvatarManager(
-				$c->query(\OC\User\Manager::class),
-				$c->getAppDataDir('avatar'),
-				$c->getL10N('lib'),
-				$c->getLogger(),
-				$c->getConfig()
-			);
-		});
-		$this->registerAlias(IAvatarManager::class, AvatarManager::class);
-		$this->registerDeprecatedAlias('AvatarManager', AvatarManager::class);
-
-		$this->registerAlias(\OCP\Support\CrashReport\IRegistry::class, \OC\Support\CrashReport\Registry::class);
-		$this->registerAlias(\OCP\Support\Subscription\IRegistry::class, \OC\Support\Subscription\Registry::class);
-
-		$this->registerService(\OC\Log::class, function (Server $c) {
-			$logType = $c->query(AllConfig::class)->getSystemValue('log_type', 'file');
-			$factory = new LogFactory($c, $this->getSystemConfig());
-			$logger = $factory->get($logType);
-			$registry = $c->query(\OCP\Support\CrashReport\IRegistry::class);
-
-			return new Log($logger, $this->getSystemConfig(), null, $registry);
-		});
-		$this->registerAlias(ILogger::class, \OC\Log::class);
-		$this->registerDeprecatedAlias('Logger', \OC\Log::class);
-		// PSR-3 logger
-		$this->registerAlias(LoggerInterface::class, PsrLoggerAdapter::class);
-
-		$this->registerService(ILogFactory::class, function (Server $c) {
-			return new LogFactory($c, $this->getSystemConfig());
-		});
-
-		$this->registerService(IJobList::class, function (Server $c) {
-			$config = $c->getConfig();
-			return new \OC\BackgroundJob\JobList(
-				$c->getDatabaseConnection(),
-				$config,
-				new TimeFactory()
-			);
-		});
-		$this->registerDeprecatedAlias('JobList', IJobList::class);
-
-		$this->registerService(IRouter::class, function (Server $c) {
-			$cacheFactory = $c->getMemCacheFactory();
-			$logger = $c->getLogger();
-			if ($cacheFactory->isLocalCacheAvailable()) {
-				$router = new \OC\Route\CachingRouter($cacheFactory->createLocal('route'), $logger);
-			} else {
-				$router = new \OC\Route\Router($logger);
-			}
-			return $router;
-		});
-		$this->registerDeprecatedAlias('Router', IRouter::class);
-
-		$this->registerService(ISearch::class, function ($c) {
-			return new Search();
-		});
-		$this->registerDeprecatedAlias('Search', ISearch::class);
-
-		$this->registerService(\OC\Security\RateLimiting\Backend\IBackend::class, function ($c) {
-			return new \OC\Security\RateLimiting\Backend\MemoryCache(
-				$this->getMemCacheFactory(),
-				new \OC\AppFramework\Utility\TimeFactory()
-			);
-		});
-
-		$this->registerService(\OCP\Security\ISecureRandom::class, function ($c) {
-			return new SecureRandom();
-		});
-		$this->registerDeprecatedAlias('SecureRandom', \OCP\Security\ISecureRandom::class);
-
-		$this->registerService(ICrypto::class, function (Server $c) {
-			return new Crypto($c->getConfig(), $c->getSecureRandom());
-		});
-		$this->registerDeprecatedAlias('Crypto', ICrypto::class);
-
-		$this->registerService(IHasher::class, function (Server $c) {
-			return new Hasher($c->getConfig());
-		});
-		$this->registerDeprecatedAlias('Hasher', IHasher::class);
-
-		$this->registerService(ICredentialsManager::class, function (Server $c) {
-			return new CredentialsManager($c->getCrypto(), $c->getDatabaseConnection());
-		});
-		$this->registerDeprecatedAlias('CredentialsManager', ICredentialsManager::class);
-
-		$this->registerService(IDBConnection::class, function (Server $c) {
-			$systemConfig = $c->getSystemConfig();
-			$factory = new \OC\DB\ConnectionFactory($systemConfig);
-			$type = $systemConfig->getValue('dbtype', 'sqlite');
-			if (!$factory->isValidType($type)) {
-				throw new \OC\DatabaseException('Invalid database type');
-			}
-			$connectionParams = $factory->createConnectionParams();
-			$connection = $factory->getConnection($type, $connectionParams);
-			$connection->getConfiguration()->setSQLLogger($c->getQueryLogger());
-			return $connection;
-		});
-		$this->registerDeprecatedAlias('DatabaseConnection', IDBConnection::class);
-
-
-		$this->registerService(IClientService::class, function (Server $c) {
-			$user = \OC_User::getUser();
-			$uid = $user ? $user : null;
-			return new ClientService(
-				$c->getConfig(),
-				new \OC\Security\CertificateManager(
-					$uid,
-					new View(),
-					$c->getConfig(),
-					$c->getLogger(),
-					$c->getSecureRandom()
-				)
-			);
-		});
-		$this->registerDeprecatedAlias('HttpClientService', IClientService::class);
-		$this->registerService(IEventLogger::class, function (Server $c) {
-			$eventLogger = new EventLogger();
-			if ($c->getSystemConfig()->getValue('debug', false)) {
-				// In debug mode, module is being activated by default
-				$eventLogger->activate();
-			}
-			return $eventLogger;
-		});
-		$this->registerDeprecatedAlias('EventLogger', IEventLogger::class);
-
-		$this->registerService(IQueryLogger::class, function (Server $c) {
-			$queryLogger = new QueryLogger();
-			if ($c->getSystemConfig()->getValue('debug', false)) {
-				// In debug mode, module is being activated by default
-				$queryLogger->activate();
-			}
-			return $queryLogger;
-		});
-		$this->registerDeprecatedAlias('QueryLogger', IQueryLogger::class);
-
-		$this->registerService(TempManager::class, function (Server $c) {
-			return new TempManager(
-				$c->getLogger(),
-				$c->getConfig()
-			);
-		});
-		$this->registerDeprecatedAlias('TempManager', TempManager::class);
-		$this->registerAlias(ITempManager::class, TempManager::class);
-
-		$this->registerService(AppManager::class, function (Server $c) {
-			return new \OC\App\AppManager(
-				$c->getUserSession(),
-				$c->getConfig(),
-				$c->query(\OC\AppConfig::class),
-				$c->getGroupManager(),
-				$c->getMemCacheFactory(),
-				$c->getEventDispatcher(),
-				$c->getLogger()
-			);
-		});
-		$this->registerDeprecatedAlias('AppManager', AppManager::class);
-		$this->registerAlias(IAppManager::class, AppManager::class);
-
-		$this->registerService(IDateTimeZone::class, function (Server $c) {
-			return new DateTimeZone(
-				$c->getConfig(),
-				$c->getSession()
-			);
-		});
-		$this->registerDeprecatedAlias('DateTimeZone', IDateTimeZone::class);
-
-		$this->registerService(IDateTimeFormatter::class, function (Server $c) {
-			$language = $c->getConfig()->getUserValue($c->getSession()->get('user_id'), 'core', 'lang', null);
-
-			return new DateTimeFormatter(
-				$c->getDateTimeZone()->getTimeZone(),
-				$c->getL10N('lib', $language)
-			);
-		});
-		$this->registerDeprecatedAlias('DateTimeFormatter', IDateTimeFormatter::class);
-
-		$this->registerService(IUserMountCache::class, function (Server $c) {
-			$mountCache = new UserMountCache($c->getDatabaseConnection(), $c->getUserManager(), $c->getLogger());
-			$listener = new UserMountCacheListener($mountCache);
-			$listener->listen($c->getUserManager());
-			return $mountCache;
-		});
-		$this->registerDeprecatedAlias('UserMountCache', IUserMountCache::class);
-
-		$this->registerService(IMountProviderCollection::class, function (Server $c) {
-			$loader = \OC\Files\Filesystem::getLoader();
-			$mountCache = $c->query(IUserMountCache::class);
-			$manager = new \OC\Files\Config\MountProviderCollection($loader, $mountCache);
-
-			// builtin providers
-
-			$config = $c->getConfig();
-			$manager->registerProvider(new CacheMountProvider($config));
-			$manager->registerHomeProvider(new LocalHomeMountProvider());
-			$manager->registerHomeProvider(new ObjectHomeMountProvider($config));
-
-			return $manager;
-		});
-		$this->registerDeprecatedAlias('MountConfigManager', IMountProviderCollection::class);
-
-		$this->registerService('IniWrapper', function ($c) {
-			return new IniGetWrapper();
-		});
-		$this->registerService('AsyncCommandBus', function (Server $c) {
-			$busClass = $c->getConfig()->getSystemValue('commandbus');
-			if ($busClass) {
-				list($app, $class) = explode('::', $busClass, 2);
-				if ($c->getAppManager()->isInstalled($app)) {
-					\OC_App::loadApp($app);
-					return $c->query($class);
-				} else {
-					throw new ServiceUnavailableException("The app providing the command bus ($app) is not enabled");
-				}
-			} else {
-				$jobList = $c->getJobList();
-				return new CronBus($jobList);
-			}
-		});
-		$this->registerService('TrustedDomainHelper', function ($c) {
-			return new TrustedDomainHelper($this->getConfig());
-		});
-		$this->registerService(Throttler::class, function (Server $c) {
-			return new Throttler(
-				$c->getDatabaseConnection(),
-				new TimeFactory(),
-				$c->getLogger(),
-				$c->getConfig()
-			);
-		});
-		$this->registerDeprecatedAlias('Throttler', Throttler::class);
-		$this->registerService('IntegrityCodeChecker', function (Server $c) {
-			// IConfig and IAppManager requires a working database. This code
-			// might however be called when ownCloud is not yet setup.
-			if (\OC::$server->getSystemConfig()->getValue('installed', false)) {
-				$config = $c->getConfig();
-				$appManager = $c->getAppManager();
-			} else {
-				$config = null;
-				$appManager = null;
-			}
-
-			return new Checker(
-				new EnvironmentHelper(),
-				new FileAccessHelper(),
-				new AppLocator(),
-				$config,
-				$c->getMemCacheFactory(),
-				$appManager,
-				$c->getTempManager(),
-				$c->getMimeTypeDetector()
-			);
-		});
-		$this->registerService(\OCP\IRequest::class, function ($c) {
-			if (isset($this['urlParams'])) {
-				$urlParams = $this['urlParams'];
-			} else {
-				$urlParams = [];
-			}
-
-			if (defined('PHPUNIT_RUN') && PHPUNIT_RUN
-				&& in_array('fakeinput', stream_get_wrappers())
-			) {
-				$stream = 'fakeinput://data';
-			} else {
-				$stream = 'php://input';
-			}
-
-			return new Request(
-				[
-					'get' => $_GET,
-					'post' => $_POST,
-					'files' => $_FILES,
-					'server' => $_SERVER,
-					'env' => $_ENV,
-					'cookies' => $_COOKIE,
-					'method' => (isset($_SERVER) && isset($_SERVER['REQUEST_METHOD']))
-						? $_SERVER['REQUEST_METHOD']
-						: '',
-					'urlParams' => $urlParams,
-				],
-				$this->getSecureRandom(),
-				$this->getConfig(),
-				$this->getCsrfTokenManager(),
-				$stream
-			);
-		});
-		$this->registerDeprecatedAlias('Request', \OCP\IRequest::class);
-
-		$this->registerService(IMailer::class, function (Server $c) {
-			return new Mailer(
-				$c->getConfig(),
-				$c->getLogger(),
-				$c->query(Defaults::class),
-				$c->getURLGenerator(),
-				$c->getL10N('lib'),
-				$c->query(IEventDispatcher::class)
-			);
-		});
-		$this->registerDeprecatedAlias('Mailer', IMailer::class);
-
-		$this->registerService('LDAPProvider', function (Server $c) {
-			$config = $c->getConfig();
-			$factoryClass = $config->getSystemValue('ldapProviderFactory', null);
-			if (is_null($factoryClass)) {
-				throw new \Exception('ldapProviderFactory not set');
-			}
-			/** @var \OCP\LDAP\ILDAPProviderFactory $factory */
-			$factory = new $factoryClass($this);
-			return $factory->getLDAPProvider();
-		});
-		$this->registerService(ILockingProvider::class, function (Server $c) {
-			$ini = $c->getIniWrapper();
-			$config = $c->getConfig();
-			$ttl = $config->getSystemValue('filelocking.ttl', max(3600, $ini->getNumeric('max_execution_time')));
-			if ($config->getSystemValue('filelocking.enabled', true) or (defined('PHPUNIT_RUN') && PHPUNIT_RUN)) {
-				/** @var \OC\Memcache\Factory $memcacheFactory */
-				$memcacheFactory = $c->getMemCacheFactory();
-				$memcache = $memcacheFactory->createLocking('lock');
-				if (!($memcache instanceof \OC\Memcache\NullCache)) {
-					return new MemcacheLockingProvider($memcache, $ttl);
-				}
-				return new DBLockingProvider(
-					$c->getDatabaseConnection(),
-					$c->getLogger(),
-					new TimeFactory(),
-					$ttl,
-					!\OC::$CLI
-				);
-			}
-			return new NoopLockingProvider();
-		});
-		$this->registerDeprecatedAlias('LockingProvider', ILockingProvider::class);
-
-		$this->registerService(IMountManager::class, function () {
-			return new \OC\Files\Mount\Manager();
-		});
-		$this->registerDeprecatedAlias('MountManager', IMountManager::class);
-
-		$this->registerService(IMimeTypeDetector::class, function (Server $c) {
-			return new \OC\Files\Type\Detection(
-				$c->getURLGenerator(),
-				$c->getLogger(),
-				\OC::$configDir,
-				\OC::$SERVERROOT . '/resources/config/'
-			);
-		});
-		$this->registerDeprecatedAlias('MimeTypeDetector', IMimeTypeDetector::class);
-
-		$this->registerService(IMimeTypeLoader::class, function (Server $c) {
-			return new \OC\Files\Type\Loader(
-				$c->getDatabaseConnection()
-			);
-		});
-		$this->registerDeprecatedAlias('MimeTypeLoader', IMimeTypeLoader::class);
-		$this->registerService(BundleFetcher::class, function () {
-			return new BundleFetcher($this->getL10N('lib'));
-		});
-		$this->registerService(\OCP\Notification\IManager::class, function (Server $c) {
-			return new Manager(
-				$c->query(IValidator::class),
-				$c->getLogger()
-			);
-		});
-		$this->registerDeprecatedAlias('NotificationManager', \OCP\Notification\IManager::class);
-
-		$this->registerService(CapabilitiesManager::class, function (Server $c) {
-			$manager = new CapabilitiesManager($c->getLogger());
-			$manager->registerCapability(function () use ($c) {
-				return new \OC\OCS\CoreCapabilities($c->getConfig());
-			});
-			$manager->registerCapability(function () use ($c) {
-				return $c->query(\OC\Security\Bruteforce\Capabilities::class);
-			});
-			return $manager;
-		});
-		$this->registerDeprecatedAlias('CapabilitiesManager', CapabilitiesManager::class);
-
-		$this->registerService(ICommentsManager::class, function (Server $c) {
-			$config = $c->getConfig();
-			$factoryClass = $config->getSystemValue('comments.managerFactory', CommentsManagerFactory::class);
-			/** @var \OCP\Comments\ICommentsManagerFactory $factory */
-			$factory = new $factoryClass($this);
-			$manager = $factory->getManager();
-
-			$manager->registerDisplayNameResolver('user', function ($id) use ($c) {
-				$manager = $c->getUserManager();
-				$user = $manager->get($id);
-				if(is_null($user)) {
-					$l = $c->getL10N('core');
-					$displayName = $l->t('Unknown user');
-				} else {
-					$displayName = $user->getDisplayName();
-				}
-				return $displayName;
-			});
-
-			return $manager;
-		});
-		$this->registerDeprecatedAlias('CommentsManager', ICommentsManager::class);
-
-		$this->registerService('ThemingDefaults', function (Server $c) {
-			/*
+    /** @var string */
+    private $webRoot;
+
+    /**
+     * @param string $webRoot
+     * @param \OC\Config $config
+     */
+    public function __construct($webRoot, \OC\Config $config) {
+        parent::__construct();
+        $this->webRoot = $webRoot;
+
+        // To find out if we are running from CLI or not
+        $this->registerParameter('isCLI', \OC::$CLI);
+
+        $this->registerService(\OCP\IServerContainer::class, function (IServerContainer $c) {
+            return $c;
+        });
+
+        $this->registerAlias(\OCP\Calendar\IManager::class, \OC\Calendar\Manager::class);
+        $this->registerDeprecatedAlias('CalendarManager', \OC\Calendar\Manager::class);
+
+        $this->registerAlias(\OCP\Calendar\Resource\IManager::class, \OC\Calendar\Resource\Manager::class);
+        $this->registerDeprecatedAlias('CalendarResourceBackendManager', \OC\Calendar\Resource\Manager::class);
+
+        $this->registerAlias(\OCP\Calendar\Room\IManager::class, \OC\Calendar\Room\Manager::class);
+        $this->registerDeprecatedAlias('CalendarRoomBackendManager', \OC\Calendar\Room\Manager::class);
+
+        $this->registerAlias(\OCP\Contacts\IManager::class, \OC\ContactsManager::class);
+        $this->registerDeprecatedAlias('ContactsManager', \OCP\Contacts\IManager::class);
+
+        $this->registerAlias(\OCP\DirectEditing\IManager::class, \OC\DirectEditing\Manager::class);
+
+        $this->registerAlias(IActionFactory::class, ActionFactory::class);
+
+
+        $this->registerService(IPreview::class, function (Server $c) {
+            return new PreviewManager(
+                $c->getConfig(),
+                $c->getRootFolder(),
+                $c->getAppDataDir('preview'),
+                $c->getEventDispatcher(),
+                $c->getGeneratorHelper(),
+                $c->getSession()->get('user_id')
+            );
+        });
+        $this->registerDeprecatedAlias('PreviewManager', IPreview::class);
+
+        $this->registerService(\OC\Preview\Watcher::class, function (Server $c) {
+            return new \OC\Preview\Watcher(
+                $c->getAppDataDir('preview')
+            );
+        });
+
+        $this->registerService(\OCP\Encryption\IManager::class, function (Server $c) {
+            $view = new View();
+            $util = new Encryption\Util(
+                $view,
+                $c->getUserManager(),
+                $c->getGroupManager(),
+                $c->getConfig()
+            );
+            return new Encryption\Manager(
+                $c->getConfig(),
+                $c->getLogger(),
+                $c->getL10N('core'),
+                new View(),
+                $util,
+                new ArrayCache()
+            );
+        });
+        $this->registerDeprecatedAlias('EncryptionManager', \OCP\Encryption\IManager::class);
+
+        $this->registerService('EncryptionFileHelper', function (Server $c) {
+            $util = new Encryption\Util(
+                new View(),
+                $c->getUserManager(),
+                $c->getGroupManager(),
+                $c->getConfig()
+            );
+            return new Encryption\File(
+                $util,
+                $c->getRootFolder(),
+                $c->getShareManager()
+            );
+        });
+
+        $this->registerService('EncryptionKeyStorage', function (Server $c) {
+            $view = new View();
+            $util = new Encryption\Util(
+                $view,
+                $c->getUserManager(),
+                $c->getGroupManager(),
+                $c->getConfig()
+            );
+
+            return new Encryption\Keys\Storage($view, $util);
+        });
+        $this->registerService('TagMapper', function (Server $c) {
+            return new TagMapper($c->getDatabaseConnection());
+        });
+
+        $this->registerService(\OCP\ITagManager::class, function (Server $c) {
+            $tagMapper = $c->query('TagMapper');
+            return new TagManager($tagMapper, $c->getUserSession());
+        });
+        $this->registerDeprecatedAlias('TagManager', \OCP\ITagManager::class);
+
+        $this->registerService('SystemTagManagerFactory', function (Server $c) {
+            $config = $c->getConfig();
+            $factoryClass = $config->getSystemValue('systemtags.managerFactory', SystemTagManagerFactory::class);
+            return new $factoryClass($this);
+        });
+        $this->registerService(ISystemTagManager::class, function (Server $c) {
+            return $c->query('SystemTagManagerFactory')->getManager();
+        });
+        $this->registerDeprecatedAlias('SystemTagManager', ISystemTagManager::class);
+
+        $this->registerService(ISystemTagObjectMapper::class, function (Server $c) {
+            return $c->query('SystemTagManagerFactory')->getObjectMapper();
+        });
+        $this->registerService('RootFolder', function (Server $c) {
+            $manager = \OC\Files\Filesystem::getMountManager(null);
+            $view = new View();
+            $root = new Root(
+                $manager,
+                $view,
+                null,
+                $c->getUserMountCache(),
+                $this->getLogger(),
+                $this->getUserManager()
+            );
+            $connector = new HookConnector($root, $view, $c->getEventDispatcher());
+            $connector->viewToNode();
+
+            $previewConnector = new \OC\Preview\WatcherConnector($root, $c->getSystemConfig());
+            $previewConnector->connectWatcher();
+
+            return $root;
+        });
+        $this->registerDeprecatedAlias('SystemTagObjectMapper', ISystemTagObjectMapper::class);
+
+        $this->registerService(IRootFolder::class, function (Server $c) {
+            return new LazyRoot(function () use ($c) {
+                return $c->query('RootFolder');
+            });
+        });
+        $this->registerDeprecatedAlias('LazyRootFolder', IRootFolder::class);
+
+        $this->registerDeprecatedAlias('UserManager', \OC\User\Manager::class);
+        $this->registerAlias(\OCP\IUserManager::class, \OC\User\Manager::class);
+
+        $this->registerService(\OCP\IGroupManager::class, function (Server $c) {
+            $groupManager = new \OC\Group\Manager($this->getUserManager(), $c->getEventDispatcher(), $this->getLogger());
+            $groupManager->listen('\OC\Group', 'preCreate', function ($gid) {
+                \OC_Hook::emit('OC_Group', 'pre_createGroup', ['run' => true, 'gid' => $gid]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeGroupCreatedEvent($gid));
+            });
+            $groupManager->listen('\OC\Group', 'postCreate', function (\OC\Group\Group $group) {
+                \OC_Hook::emit('OC_User', 'post_createGroup', ['gid' => $group->getGID()]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new GroupCreatedEvent($group));
+            });
+            $groupManager->listen('\OC\Group', 'preDelete', function (\OC\Group\Group $group) {
+                \OC_Hook::emit('OC_Group', 'pre_deleteGroup', ['run' => true, 'gid' => $group->getGID()]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeGroupDeletedEvent($group));
+            });
+            $groupManager->listen('\OC\Group', 'postDelete', function (\OC\Group\Group $group) {
+                \OC_Hook::emit('OC_User', 'post_deleteGroup', ['gid' => $group->getGID()]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new GroupDeletedEvent($group));
+            });
+            $groupManager->listen('\OC\Group', 'preAddUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+                \OC_Hook::emit('OC_Group', 'pre_addToGroup', ['run' => true, 'uid' => $user->getUID(), 'gid' => $group->getGID()]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserAddedEvent($group, $user));
+            });
+            $groupManager->listen('\OC\Group', 'postAddUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+                \OC_Hook::emit('OC_Group', 'post_addToGroup', ['uid' => $user->getUID(), 'gid' => $group->getGID()]);
+                //Minimal fix to keep it backward compatible TODO: clean up all the GroupManager hooks
+                \OC_Hook::emit('OC_User', 'post_addToGroup', ['uid' => $user->getUID(), 'gid' => $group->getGID()]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserAddedEvent($group, $user));
+            });
+            $groupManager->listen('\OC\Group', 'preRemoveUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserRemovedEvent($group, $user));
+            });
+            $groupManager->listen('\OC\Group', 'postRemoveUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserRemovedEvent($group, $user));
+            });
+            return $groupManager;
+        });
+        $this->registerDeprecatedAlias('GroupManager', \OCP\IGroupManager::class);
+
+        $this->registerService(Store::class, function (Server $c) {
+            $session = $c->getSession();
+            if (\OC::$server->getSystemConfig()->getValue('installed', false)) {
+                $tokenProvider = $c->query(IProvider::class);
+            } else {
+                $tokenProvider = null;
+            }
+            $logger = $c->getLogger();
+            return new Store($session, $logger, $tokenProvider);
+        });
+        $this->registerAlias(IStore::class, Store::class);
+        $this->registerService(Authentication\Token\DefaultTokenMapper::class, function (Server $c) {
+            $dbConnection = $c->getDatabaseConnection();
+            return new Authentication\Token\DefaultTokenMapper($dbConnection);
+        });
+        $this->registerAlias(IProvider::class, Authentication\Token\Manager::class);
+
+        $this->registerService(\OC\User\Session::class, function (Server $c) {
+            $manager = $c->getUserManager();
+            $session = new \OC\Session\Memory('');
+            $timeFactory = new TimeFactory();
+            // Token providers might require a working database. This code
+            // might however be called when ownCloud is not yet setup.
+            if (\OC::$server->getSystemConfig()->getValue('installed', false)) {
+                $defaultTokenProvider = $c->query(IProvider::class);
+            } else {
+                $defaultTokenProvider = null;
+            }
+
+            $legacyDispatcher = $c->getEventDispatcher();
+
+            $userSession = new \OC\User\Session(
+                $manager,
+                $session,
+                $timeFactory,
+                $defaultTokenProvider,
+                $c->getConfig(),
+                $c->getSecureRandom(),
+                $c->getLockdownManager(),
+                $c->getLogger(),
+                $c->query(IEventDispatcher::class)
+            );
+            $userSession->listen('\OC\User', 'preCreateUser', function ($uid, $password) {
+                \OC_Hook::emit('OC_User', 'pre_createUser', ['run' => true, 'uid' => $uid, 'password' => $password]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserCreatedEvent($uid, $password));
+            });
+            $userSession->listen('\OC\User', 'postCreateUser', function ($user, $password) {
+                /** @var $user \OC\User\User */
+                \OC_Hook::emit('OC_User', 'post_createUser', ['uid' => $user->getUID(), 'password' => $password]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserCreatedEvent($user, $password));
+            });
+            $userSession->listen('\OC\User', 'preDelete', function ($user) use ($legacyDispatcher) {
+                /** @var $user \OC\User\User */
+                \OC_Hook::emit('OC_User', 'pre_deleteUser', ['run' => true, 'uid' => $user->getUID()]);
+                $legacyDispatcher->dispatch('OCP\IUser::preDelete', new GenericEvent($user));
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserDeletedEvent($user));
+            });
+            $userSession->listen('\OC\User', 'postDelete', function ($user) {
+                /** @var $user \OC\User\User */
+                \OC_Hook::emit('OC_User', 'post_deleteUser', ['uid' => $user->getUID()]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserDeletedEvent($user));
+            });
+            $userSession->listen('\OC\User', 'preSetPassword', function ($user, $password, $recoveryPassword) {
+                /** @var $user \OC\User\User */
+                \OC_Hook::emit('OC_User', 'pre_setPassword', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforePasswordUpdatedEvent($user, $password, $recoveryPassword));
+            });
+            $userSession->listen('\OC\User', 'postSetPassword', function ($user, $password, $recoveryPassword) {
+                /** @var $user \OC\User\User */
+                \OC_Hook::emit('OC_User', 'post_setPassword', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new PasswordUpdatedEvent($user, $password, $recoveryPassword));
+            });
+            $userSession->listen('\OC\User', 'preLogin', function ($uid, $password) {
+                \OC_Hook::emit('OC_User', 'pre_login', ['run' => true, 'uid' => $uid, 'password' => $password]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserLoggedInEvent($uid, $password));
+            });
+            $userSession->listen('\OC\User', 'postLogin', function ($user, $password, $isTokenLogin) {
+                /** @var $user \OC\User\User */
+                \OC_Hook::emit('OC_User', 'post_login', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'isTokenLogin' => $isTokenLogin]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserLoggedInEvent($user, $password, $isTokenLogin));
+            });
+            $userSession->listen('\OC\User', 'preRememberedLogin', function ($uid) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserLoggedInWithCookieEvent($uid));
+            });
+            $userSession->listen('\OC\User', 'postRememberedLogin', function ($user, $password) {
+                /** @var $user \OC\User\User */
+                \OC_Hook::emit('OC_User', 'post_login', ['run' => true, 'uid' => $user->getUID(), 'password' => $password]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserLoggedInWithCookieEvent($user, $password));
+            });
+            $userSession->listen('\OC\User', 'logout', function ($user) {
+                \OC_Hook::emit('OC_User', 'logout', []);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserLoggedOutEvent($user));
+            });
+            $userSession->listen('\OC\User', 'postLogout', function ($user) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserLoggedOutEvent($user));
+            });
+            $userSession->listen('\OC\User', 'changeUser', function ($user, $feature, $value, $oldValue) {
+                /** @var $user \OC\User\User */
+                \OC_Hook::emit('OC_User', 'changeUser', ['run' => true, 'user' => $user, 'feature' => $feature, 'value' => $value, 'old_value' => $oldValue]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->query(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserChangedEvent($user, $feature, $value, $oldValue));
+            });
+            return $userSession;
+        });
+        $this->registerAlias(\OCP\IUserSession::class, \OC\User\Session::class);
+        $this->registerDeprecatedAlias('UserSession', \OC\User\Session::class);
+
+        $this->registerAlias(\OCP\Authentication\TwoFactorAuth\IRegistry::class, \OC\Authentication\TwoFactorAuth\Registry::class);
+
+        $this->registerAlias(INavigationManager::class, \OC\NavigationManager::class);
+        $this->registerDeprecatedAlias('NavigationManager', INavigationManager::class);
+
+        $this->registerService(\OC\AllConfig::class, function (Server $c) {
+            return new \OC\AllConfig(
+                $c->getSystemConfig()
+            );
+        });
+        $this->registerDeprecatedAlias('AllConfig', \OC\AllConfig::class);
+        $this->registerAlias(\OCP\IConfig::class, \OC\AllConfig::class);
+
+        $this->registerService(\OC\SystemConfig::class, function ($c) use ($config) {
+            return new \OC\SystemConfig($config);
+        });
+        $this->registerDeprecatedAlias('SystemConfig', \OC\SystemConfig::class);
+
+        $this->registerService(\OC\AppConfig::class, function (Server $c) {
+            return new \OC\AppConfig($c->getDatabaseConnection());
+        });
+        $this->registerDeprecatedAlias('AppConfig', \OC\AppConfig::class);
+        $this->registerAlias(IAppConfig::class, \OC\AppConfig::class);
+
+        $this->registerService(IFactory::class, function (Server $c) {
+            return new \OC\L10N\Factory(
+                $c->getConfig(),
+                $c->getRequest(),
+                $c->getUserSession(),
+                \OC::$SERVERROOT
+            );
+        });
+        $this->registerDeprecatedAlias('L10NFactory', IFactory::class);
+
+        $this->registerService(IURLGenerator::class, function (Server $c) {
+            $config = $c->getConfig();
+            $cacheFactory = $c->getMemCacheFactory();
+            $request = $c->getRequest();
+            return new \OC\URLGenerator(
+                $config,
+                $cacheFactory,
+                $request
+            );
+        });
+        $this->registerDeprecatedAlias('URLGenerator', IURLGenerator::class);
+
+        $this->registerDeprecatedAlias('AppFetcher', AppFetcher::class);
+        $this->registerDeprecatedAlias('CategoryFetcher', CategoryFetcher::class);
+
+        $this->registerService(ICache::class, function ($c) {
+            return new Cache\File();
+        });
+        $this->registerDeprecatedAlias('UserCache', ICache::class);
+
+        $this->registerService(Factory::class, function (Server $c) {
+
+            $arrayCacheFactory = new \OC\Memcache\Factory('', $c->getLogger(),
+                ArrayCache::class,
+                ArrayCache::class,
+                ArrayCache::class
+            );
+            $config = $c->getConfig();
+
+            if ($config->getSystemValue('installed', false) && !(defined('PHPUNIT_RUN') && PHPUNIT_RUN)) {
+                $v = \OC_App::getAppVersions();
+                $v['core'] = implode(',', \OC_Util::getVersion());
+                $version = implode(',', $v);
+                $instanceId = \OC_Util::getInstanceId();
+                $path = \OC::$SERVERROOT;
+                $prefix = md5($instanceId . '-' . $version . '-' . $path);
+                return new \OC\Memcache\Factory($prefix, $c->getLogger(),
+                    $config->getSystemValue('memcache.local', null),
+                    $config->getSystemValue('memcache.distributed', null),
+                    $config->getSystemValue('memcache.locking', null)
+                );
+            }
+            return $arrayCacheFactory;
+
+        });
+        $this->registerDeprecatedAlias('MemCacheFactory', Factory::class);
+        $this->registerAlias(ICacheFactory::class, Factory::class);
+
+        $this->registerService('RedisFactory', function (Server $c) {
+            $systemConfig = $c->getSystemConfig();
+            return new RedisFactory($systemConfig);
+        });
+
+        $this->registerService(\OCP\Activity\IManager::class, function (Server $c) {
+            return new \OC\Activity\Manager(
+                $c->getRequest(),
+                $c->getUserSession(),
+                $c->getConfig(),
+                $c->query(IValidator::class)
+            );
+        });
+        $this->registerDeprecatedAlias('ActivityManager', \OCP\Activity\IManager::class);
+
+        $this->registerService(\OCP\Activity\IEventMerger::class, function (Server $c) {
+            return new \OC\Activity\EventMerger(
+                $c->getL10N('lib')
+            );
+        });
+        $this->registerAlias(IValidator::class, Validator::class);
+
+        $this->registerService(AvatarManager::class, function (Server $c) {
+            return new AvatarManager(
+                $c->query(\OC\User\Manager::class),
+                $c->getAppDataDir('avatar'),
+                $c->getL10N('lib'),
+                $c->getLogger(),
+                $c->getConfig()
+            );
+        });
+        $this->registerAlias(IAvatarManager::class, AvatarManager::class);
+        $this->registerDeprecatedAlias('AvatarManager', AvatarManager::class);
+
+        $this->registerAlias(\OCP\Support\CrashReport\IRegistry::class, \OC\Support\CrashReport\Registry::class);
+        $this->registerAlias(\OCP\Support\Subscription\IRegistry::class, \OC\Support\Subscription\Registry::class);
+
+        $this->registerService(\OC\Log::class, function (Server $c) {
+            $logType = $c->query(AllConfig::class)->getSystemValue('log_type', 'file');
+            $factory = new LogFactory($c, $this->getSystemConfig());
+            $logger = $factory->get($logType);
+            $registry = $c->query(\OCP\Support\CrashReport\IRegistry::class);
+
+            return new Log($logger, $this->getSystemConfig(), null, $registry);
+        });
+        $this->registerAlias(ILogger::class, \OC\Log::class);
+        $this->registerDeprecatedAlias('Logger', \OC\Log::class);
+        // PSR-3 logger
+        $this->registerAlias(LoggerInterface::class, PsrLoggerAdapter::class);
+
+        $this->registerService(ILogFactory::class, function (Server $c) {
+            return new LogFactory($c, $this->getSystemConfig());
+        });
+
+        $this->registerService(IJobList::class, function (Server $c) {
+            $config = $c->getConfig();
+            return new \OC\BackgroundJob\JobList(
+                $c->getDatabaseConnection(),
+                $config,
+                new TimeFactory()
+            );
+        });
+        $this->registerDeprecatedAlias('JobList', IJobList::class);
+
+        $this->registerService(IRouter::class, function (Server $c) {
+            $cacheFactory = $c->getMemCacheFactory();
+            $logger = $c->getLogger();
+            if ($cacheFactory->isLocalCacheAvailable()) {
+                $router = new \OC\Route\CachingRouter($cacheFactory->createLocal('route'), $logger);
+            } else {
+                $router = new \OC\Route\Router($logger);
+            }
+            return $router;
+        });
+        $this->registerDeprecatedAlias('Router', IRouter::class);
+
+        $this->registerService(ISearch::class, function ($c) {
+            return new Search();
+        });
+        $this->registerDeprecatedAlias('Search', ISearch::class);
+
+        $this->registerService(\OC\Security\RateLimiting\Backend\IBackend::class, function ($c) {
+            return new \OC\Security\RateLimiting\Backend\MemoryCache(
+                $this->getMemCacheFactory(),
+                new \OC\AppFramework\Utility\TimeFactory()
+            );
+        });
+
+        $this->registerService(\OCP\Security\ISecureRandom::class, function ($c) {
+            return new SecureRandom();
+        });
+        $this->registerDeprecatedAlias('SecureRandom', \OCP\Security\ISecureRandom::class);
+
+        $this->registerService(ICrypto::class, function (Server $c) {
+            return new Crypto($c->getConfig(), $c->getSecureRandom());
+        });
+        $this->registerDeprecatedAlias('Crypto', ICrypto::class);
+
+        $this->registerService(IHasher::class, function (Server $c) {
+            return new Hasher($c->getConfig());
+        });
+        $this->registerDeprecatedAlias('Hasher', IHasher::class);
+
+        $this->registerService(ICredentialsManager::class, function (Server $c) {
+            return new CredentialsManager($c->getCrypto(), $c->getDatabaseConnection());
+        });
+        $this->registerDeprecatedAlias('CredentialsManager', ICredentialsManager::class);
+
+        $this->registerService(IDBConnection::class, function (Server $c) {
+            $systemConfig = $c->getSystemConfig();
+            $factory = new \OC\DB\ConnectionFactory($systemConfig);
+            $type = $systemConfig->getValue('dbtype', 'sqlite');
+            if (!$factory->isValidType($type)) {
+                throw new \OC\DatabaseException('Invalid database type');
+            }
+            $connectionParams = $factory->createConnectionParams();
+            $connection = $factory->getConnection($type, $connectionParams);
+            $connection->getConfiguration()->setSQLLogger($c->getQueryLogger());
+            return $connection;
+        });
+        $this->registerDeprecatedAlias('DatabaseConnection', IDBConnection::class);
+
+
+        $this->registerService(IClientService::class, function (Server $c) {
+            $user = \OC_User::getUser();
+            $uid = $user ? $user : null;
+            return new ClientService(
+                $c->getConfig(),
+                new \OC\Security\CertificateManager(
+                    $uid,
+                    new View(),
+                    $c->getConfig(),
+                    $c->getLogger(),
+                    $c->getSecureRandom()
+                )
+            );
+        });
+        $this->registerDeprecatedAlias('HttpClientService', IClientService::class);
+        $this->registerService(IEventLogger::class, function (Server $c) {
+            $eventLogger = new EventLogger();
+            if ($c->getSystemConfig()->getValue('debug', false)) {
+                // In debug mode, module is being activated by default
+                $eventLogger->activate();
+            }
+            return $eventLogger;
+        });
+        $this->registerDeprecatedAlias('EventLogger', IEventLogger::class);
+
+        $this->registerService(IQueryLogger::class, function (Server $c) {
+            $queryLogger = new QueryLogger();
+            if ($c->getSystemConfig()->getValue('debug', false)) {
+                // In debug mode, module is being activated by default
+                $queryLogger->activate();
+            }
+            return $queryLogger;
+        });
+        $this->registerDeprecatedAlias('QueryLogger', IQueryLogger::class);
+
+        $this->registerService(TempManager::class, function (Server $c) {
+            return new TempManager(
+                $c->getLogger(),
+                $c->getConfig()
+            );
+        });
+        $this->registerDeprecatedAlias('TempManager', TempManager::class);
+        $this->registerAlias(ITempManager::class, TempManager::class);
+
+        $this->registerService(AppManager::class, function (Server $c) {
+            return new \OC\App\AppManager(
+                $c->getUserSession(),
+                $c->getConfig(),
+                $c->query(\OC\AppConfig::class),
+                $c->getGroupManager(),
+                $c->getMemCacheFactory(),
+                $c->getEventDispatcher(),
+                $c->getLogger()
+            );
+        });
+        $this->registerDeprecatedAlias('AppManager', AppManager::class);
+        $this->registerAlias(IAppManager::class, AppManager::class);
+
+        $this->registerService(IDateTimeZone::class, function (Server $c) {
+            return new DateTimeZone(
+                $c->getConfig(),
+                $c->getSession()
+            );
+        });
+        $this->registerDeprecatedAlias('DateTimeZone', IDateTimeZone::class);
+
+        $this->registerService(IDateTimeFormatter::class, function (Server $c) {
+            $language = $c->getConfig()->getUserValue($c->getSession()->get('user_id'), 'core', 'lang', null);
+
+            return new DateTimeFormatter(
+                $c->getDateTimeZone()->getTimeZone(),
+                $c->getL10N('lib', $language)
+            );
+        });
+        $this->registerDeprecatedAlias('DateTimeFormatter', IDateTimeFormatter::class);
+
+        $this->registerService(IUserMountCache::class, function (Server $c) {
+            $mountCache = new UserMountCache($c->getDatabaseConnection(), $c->getUserManager(), $c->getLogger());
+            $listener = new UserMountCacheListener($mountCache);
+            $listener->listen($c->getUserManager());
+            return $mountCache;
+        });
+        $this->registerDeprecatedAlias('UserMountCache', IUserMountCache::class);
+
+        $this->registerService(IMountProviderCollection::class, function (Server $c) {
+            $loader = \OC\Files\Filesystem::getLoader();
+            $mountCache = $c->query(IUserMountCache::class);
+            $manager = new \OC\Files\Config\MountProviderCollection($loader, $mountCache);
+
+            // builtin providers
+
+            $config = $c->getConfig();
+            $manager->registerProvider(new CacheMountProvider($config));
+            $manager->registerHomeProvider(new LocalHomeMountProvider());
+            $manager->registerHomeProvider(new ObjectHomeMountProvider($config));
+
+            return $manager;
+        });
+        $this->registerDeprecatedAlias('MountConfigManager', IMountProviderCollection::class);
+
+        $this->registerService('IniWrapper', function ($c) {
+            return new IniGetWrapper();
+        });
+        $this->registerService('AsyncCommandBus', function (Server $c) {
+            $busClass = $c->getConfig()->getSystemValue('commandbus');
+            if ($busClass) {
+                list($app, $class) = explode('::', $busClass, 2);
+                if ($c->getAppManager()->isInstalled($app)) {
+                    \OC_App::loadApp($app);
+                    return $c->query($class);
+                } else {
+                    throw new ServiceUnavailableException("The app providing the command bus ($app) is not enabled");
+                }
+            } else {
+                $jobList = $c->getJobList();
+                return new CronBus($jobList);
+            }
+        });
+        $this->registerService('TrustedDomainHelper', function ($c) {
+            return new TrustedDomainHelper($this->getConfig());
+        });
+        $this->registerService(Throttler::class, function (Server $c) {
+            return new Throttler(
+                $c->getDatabaseConnection(),
+                new TimeFactory(),
+                $c->getLogger(),
+                $c->getConfig()
+            );
+        });
+        $this->registerDeprecatedAlias('Throttler', Throttler::class);
+        $this->registerService('IntegrityCodeChecker', function (Server $c) {
+            // IConfig and IAppManager requires a working database. This code
+            // might however be called when ownCloud is not yet setup.
+            if (\OC::$server->getSystemConfig()->getValue('installed', false)) {
+                $config = $c->getConfig();
+                $appManager = $c->getAppManager();
+            } else {
+                $config = null;
+                $appManager = null;
+            }
+
+            return new Checker(
+                new EnvironmentHelper(),
+                new FileAccessHelper(),
+                new AppLocator(),
+                $config,
+                $c->getMemCacheFactory(),
+                $appManager,
+                $c->getTempManager(),
+                $c->getMimeTypeDetector()
+            );
+        });
+        $this->registerService(\OCP\IRequest::class, function ($c) {
+            if (isset($this['urlParams'])) {
+                $urlParams = $this['urlParams'];
+            } else {
+                $urlParams = [];
+            }
+
+            if (defined('PHPUNIT_RUN') && PHPUNIT_RUN
+                && in_array('fakeinput', stream_get_wrappers())
+            ) {
+                $stream = 'fakeinput://data';
+            } else {
+                $stream = 'php://input';
+            }
+
+            return new Request(
+                [
+                    'get' => $_GET,
+                    'post' => $_POST,
+                    'files' => $_FILES,
+                    'server' => $_SERVER,
+                    'env' => $_ENV,
+                    'cookies' => $_COOKIE,
+                    'method' => (isset($_SERVER) && isset($_SERVER['REQUEST_METHOD']))
+                        ? $_SERVER['REQUEST_METHOD']
+                        : '',
+                    'urlParams' => $urlParams,
+                ],
+                $this->getSecureRandom(),
+                $this->getConfig(),
+                $this->getCsrfTokenManager(),
+                $stream
+            );
+        });
+        $this->registerDeprecatedAlias('Request', \OCP\IRequest::class);
+
+        $this->registerService(IMailer::class, function (Server $c) {
+            return new Mailer(
+                $c->getConfig(),
+                $c->getLogger(),
+                $c->query(Defaults::class),
+                $c->getURLGenerator(),
+                $c->getL10N('lib'),
+                $c->query(IEventDispatcher::class)
+            );
+        });
+        $this->registerDeprecatedAlias('Mailer', IMailer::class);
+
+        $this->registerService('LDAPProvider', function (Server $c) {
+            $config = $c->getConfig();
+            $factoryClass = $config->getSystemValue('ldapProviderFactory', null);
+            if (is_null($factoryClass)) {
+                throw new \Exception('ldapProviderFactory not set');
+            }
+            /** @var \OCP\LDAP\ILDAPProviderFactory $factory */
+            $factory = new $factoryClass($this);
+            return $factory->getLDAPProvider();
+        });
+        $this->registerService(ILockingProvider::class, function (Server $c) {
+            $ini = $c->getIniWrapper();
+            $config = $c->getConfig();
+            $ttl = $config->getSystemValue('filelocking.ttl', max(3600, $ini->getNumeric('max_execution_time')));
+            if ($config->getSystemValue('filelocking.enabled', true) or (defined('PHPUNIT_RUN') && PHPUNIT_RUN)) {
+                /** @var \OC\Memcache\Factory $memcacheFactory */
+                $memcacheFactory = $c->getMemCacheFactory();
+                $memcache = $memcacheFactory->createLocking('lock');
+                if (!($memcache instanceof \OC\Memcache\NullCache)) {
+                    return new MemcacheLockingProvider($memcache, $ttl);
+                }
+                return new DBLockingProvider(
+                    $c->getDatabaseConnection(),
+                    $c->getLogger(),
+                    new TimeFactory(),
+                    $ttl,
+                    !\OC::$CLI
+                );
+            }
+            return new NoopLockingProvider();
+        });
+        $this->registerDeprecatedAlias('LockingProvider', ILockingProvider::class);
+
+        $this->registerService(IMountManager::class, function () {
+            return new \OC\Files\Mount\Manager();
+        });
+        $this->registerDeprecatedAlias('MountManager', IMountManager::class);
+
+        $this->registerService(IMimeTypeDetector::class, function (Server $c) {
+            return new \OC\Files\Type\Detection(
+                $c->getURLGenerator(),
+                $c->getLogger(),
+                \OC::$configDir,
+                \OC::$SERVERROOT . '/resources/config/'
+            );
+        });
+        $this->registerDeprecatedAlias('MimeTypeDetector', IMimeTypeDetector::class);
+
+        $this->registerService(IMimeTypeLoader::class, function (Server $c) {
+            return new \OC\Files\Type\Loader(
+                $c->getDatabaseConnection()
+            );
+        });
+        $this->registerDeprecatedAlias('MimeTypeLoader', IMimeTypeLoader::class);
+        $this->registerService(BundleFetcher::class, function () {
+            return new BundleFetcher($this->getL10N('lib'));
+        });
+        $this->registerService(\OCP\Notification\IManager::class, function (Server $c) {
+            return new Manager(
+                $c->query(IValidator::class),
+                $c->getLogger()
+            );
+        });
+        $this->registerDeprecatedAlias('NotificationManager', \OCP\Notification\IManager::class);
+
+        $this->registerService(CapabilitiesManager::class, function (Server $c) {
+            $manager = new CapabilitiesManager($c->getLogger());
+            $manager->registerCapability(function () use ($c) {
+                return new \OC\OCS\CoreCapabilities($c->getConfig());
+            });
+            $manager->registerCapability(function () use ($c) {
+                return $c->query(\OC\Security\Bruteforce\Capabilities::class);
+            });
+            return $manager;
+        });
+        $this->registerDeprecatedAlias('CapabilitiesManager', CapabilitiesManager::class);
+
+        $this->registerService(ICommentsManager::class, function (Server $c) {
+            $config = $c->getConfig();
+            $factoryClass = $config->getSystemValue('comments.managerFactory', CommentsManagerFactory::class);
+            /** @var \OCP\Comments\ICommentsManagerFactory $factory */
+            $factory = new $factoryClass($this);
+            $manager = $factory->getManager();
+
+            $manager->registerDisplayNameResolver('user', function ($id) use ($c) {
+                $manager = $c->getUserManager();
+                $user = $manager->get($id);
+                if(is_null($user)) {
+                    $l = $c->getL10N('core');
+                    $displayName = $l->t('Unknown user');
+                } else {
+                    $displayName = $user->getDisplayName();
+                }
+                return $displayName;
+            });
+
+            return $manager;
+        });
+        $this->registerDeprecatedAlias('CommentsManager', ICommentsManager::class);
+
+        $this->registerService('ThemingDefaults', function (Server $c) {
+            /*
 			 * Dark magic for autoloader.
 			 * If we do a class_exists it will try to load the class which will
 			 * make composer cache the result. Resulting in errors when enabling
 			 * the theming app.
 			 */
-			$prefixes = \OC::$composerAutoloader->getPrefixesPsr4();
-			if (isset($prefixes['OCA\\Theming\\'])) {
-				$classExists = true;
-			} else {
-				$classExists = false;
-			}
-
-			if ($classExists && $c->getConfig()->getSystemValue('installed', false) && $c->getAppManager()->isInstalled('theming') && $c->getTrustedDomainHelper()->isTrustedDomain($c->getRequest()->getInsecureServerHost())) {
-				return new ThemingDefaults(
-					$c->getConfig(),
-					$c->getL10N('theming'),
-					$c->getURLGenerator(),
-					$c->getMemCacheFactory(),
-					new Util($c->getConfig(), $this->getAppManager(), $c->getAppDataDir('theming')),
-					new ImageManager($c->getConfig(), $c->getAppDataDir('theming'), $c->getURLGenerator(), $this->getMemCacheFactory(), $this->getLogger()),
-					$c->getAppManager(),
-					$c->getNavigationManager()
-				);
-			}
-			return new \OC_Defaults();
-		});
-		$this->registerService(SCSSCacher::class, function (Server $c) {
-			return new SCSSCacher(
-				$c->getLogger(),
-				$c->query(\OC\Files\AppData\Factory::class),
-				$c->getURLGenerator(),
-				$c->getConfig(),
-				$c->getThemingDefaults(),
-				\OC::$SERVERROOT,
-				$this->getMemCacheFactory(),
-				$c->query(IconsCacher::class),
-				new TimeFactory()
-			);
-		});
-		$this->registerService(JSCombiner::class, function (Server $c) {
-			return new JSCombiner(
-				$c->getAppDataDir('js'),
-				$c->getURLGenerator(),
-				$this->getMemCacheFactory(),
-				$c->getSystemConfig(),
-				$c->getLogger()
-			);
-		});
-		$this->registerAlias(\OCP\EventDispatcher\IEventDispatcher::class, \OC\EventDispatcher\EventDispatcher::class);
-		$this->registerDeprecatedAlias('EventDispatcher', \OC\EventDispatcher\SymfonyAdapter::class);
-		$this->registerAlias(EventDispatcherInterface::class, \OC\EventDispatcher\SymfonyAdapter::class);
-
-		$this->registerService('CryptoWrapper', function (Server $c) {
-			// FIXME: Instantiiated here due to cyclic dependency
-			$request = new Request(
-				[
-					'get' => $_GET,
-					'post' => $_POST,
-					'files' => $_FILES,
-					'server' => $_SERVER,
-					'env' => $_ENV,
-					'cookies' => $_COOKIE,
-					'method' => (isset($_SERVER) && isset($_SERVER['REQUEST_METHOD']))
-						? $_SERVER['REQUEST_METHOD']
-						: null,
-				],
-				$c->getSecureRandom(),
-				$c->getConfig()
-			);
-
-			return new CryptoWrapper(
-				$c->getConfig(),
-				$c->getCrypto(),
-				$c->getSecureRandom(),
-				$request
-			);
-		});
-		$this->registerService(CsrfTokenManager::class, function (Server $c) {
-			$tokenGenerator = new CsrfTokenGenerator($c->getSecureRandom());
-
-			return new CsrfTokenManager(
-				$tokenGenerator,
-				$c->query(SessionStorage::class)
-			);
-		});
-		$this->registerDeprecatedAlias('CsrfTokenManager', CsrfTokenManager::class);
-		$this->registerService(SessionStorage::class, function (Server $c) {
-			return new SessionStorage($c->getSession());
-		});
-		$this->registerAlias(\OCP\Security\IContentSecurityPolicyManager::class, ContentSecurityPolicyManager::class);
-		$this->registerDeprecatedAlias('ContentSecurityPolicyManager', ContentSecurityPolicyManager::class);
-
-		$this->registerService('ContentSecurityPolicyNonceManager', function (Server $c) {
-			return new ContentSecurityPolicyNonceManager(
-				$c->getCsrfTokenManager(),
-				$c->getRequest()
-			);
-		});
-
-		$this->registerService(\OCP\Share\IManager::class, function (Server $c) {
-			$config = $c->getConfig();
-			$factoryClass = $config->getSystemValue('sharing.managerFactory', ProviderFactory::class);
-			/** @var \OCP\Share\IProviderFactory $factory */
-			$factory = new $factoryClass($this);
-
-			$manager = new \OC\Share20\Manager(
-				$c->getLogger(),
-				$c->getConfig(),
-				$c->getSecureRandom(),
-				$c->getHasher(),
-				$c->getMountManager(),
-				$c->getGroupManager(),
-				$c->getL10N('lib'),
-				$c->getL10NFactory(),
-				$factory,
-				$c->getUserManager(),
-				$c->getLazyRootFolder(),
-				$c->getEventDispatcher(),
-				$c->getMailer(),
-				$c->getURLGenerator(),
-				$c->getThemingDefaults(),
-				$c->query(IEventDispatcher::class)
-			);
-
-			return $manager;
-		});
-		$this->registerDeprecatedAlias('ShareManager', \OCP\Share\IManager::class);
-
-		$this->registerService(\OCP\Collaboration\Collaborators\ISearch::class, function (Server $c) {
-			$instance = new Collaboration\Collaborators\Search($c);
-
-			// register default plugins
-			$instance->registerPlugin(['shareType' => 'SHARE_TYPE_USER', 'class' => UserPlugin::class]);
-			$instance->registerPlugin(['shareType' => 'SHARE_TYPE_GROUP', 'class' => GroupPlugin::class]);
-			$instance->registerPlugin(['shareType' => 'SHARE_TYPE_EMAIL', 'class' => MailPlugin::class]);
-			$instance->registerPlugin(['shareType' => 'SHARE_TYPE_REMOTE', 'class' => RemotePlugin::class]);
-			$instance->registerPlugin(['shareType' => 'SHARE_TYPE_REMOTE_GROUP', 'class' => RemoteGroupPlugin::class]);
-
-			return $instance;
-		});
-		$this->registerDeprecatedAlias('CollaboratorSearch', \OCP\Collaboration\Collaborators\ISearch::class);
-		$this->registerAlias(\OCP\Collaboration\Collaborators\ISearchResult::class, \OC\Collaboration\Collaborators\SearchResult::class);
-
-		$this->registerAlias(\OCP\Collaboration\AutoComplete\IManager::class, \OC\Collaboration\AutoComplete\Manager::class);
-
-		$this->registerAlias(\OCP\Collaboration\Resources\IProviderManager::class, \OC\Collaboration\Resources\ProviderManager::class);
-		$this->registerAlias(\OCP\Collaboration\Resources\IManager::class, \OC\Collaboration\Resources\Manager::class);
-
-		$this->registerService('SettingsManager', function (Server $c) {
-			$manager = new \OC\Settings\Manager(
-				$c->getLogger(),
-				$c->getL10NFactory(),
-				$c->getURLGenerator(),
-				$c
-			);
-			return $manager;
-		});
-		$this->registerService(\OC\Files\AppData\Factory::class, function (Server $c) {
-			return new \OC\Files\AppData\Factory(
-				$c->getRootFolder(),
-				$c->getSystemConfig()
-			);
-		});
-
-		$this->registerService('LockdownManager', function (Server $c) {
-			return new LockdownManager(function () use ($c) {
-				return $c->getSession();
-			});
-		});
-
-		$this->registerService(\OCP\OCS\IDiscoveryService::class, function (Server $c) {
-			return new DiscoveryService($c->getMemCacheFactory(), $c->getHTTPClientService());
-		});
-
-		$this->registerService(ICloudIdManager::class, function (Server $c) {
-			return new CloudIdManager();
-		});
-
-		$this->registerService(IConfig::class, function (Server $c) {
-			return new GlobalScale\Config($c->getConfig());
-		});
-
-		$this->registerService(ICloudFederationProviderManager::class, function (Server $c) {
-			return new CloudFederationProviderManager($c->getAppManager(), $c->getHTTPClientService(), $c->getCloudIdManager(), $c->getLogger());
-		});
-
-		$this->registerService(ICloudFederationFactory::class, function (Server $c) {
-			return new CloudFederationFactory();
-		});
-
-		$this->registerAlias(\OCP\AppFramework\Utility\IControllerMethodReflector::class, \OC\AppFramework\Utility\ControllerMethodReflector::class);
-		$this->registerDeprecatedAlias('ControllerMethodReflector', \OCP\AppFramework\Utility\IControllerMethodReflector::class);
-
-		$this->registerAlias(\OCP\AppFramework\Utility\ITimeFactory::class, \OC\AppFramework\Utility\TimeFactory::class);
-		$this->registerDeprecatedAlias('TimeFactory', \OCP\AppFramework\Utility\ITimeFactory::class);
-
-		$this->registerService(Defaults::class, function (Server $c) {
-			return new Defaults(
-				$c->getThemingDefaults()
-			);
-		});
-		$this->registerDeprecatedAlias('Defaults', \OCP\Defaults::class);
-
-		$this->registerService(\OCP\ISession::class, function (SimpleContainer $c) {
-			return $c->query(\OCP\IUserSession::class)->getSession();
-		});
-
-		$this->registerService(IShareHelper::class, function (Server $c) {
-			return new ShareHelper(
-				$c->query(\OCP\Share\IManager::class)
-			);
-		});
-
-		$this->registerService(Installer::class, function (Server $c) {
-			return new Installer(
-				$c->getAppFetcher(),
-				$c->getHTTPClientService(),
-				$c->getTempManager(),
-				$c->getLogger(),
-				$c->getConfig(),
-				\OC::$CLI
-			);
-		});
-
-		$this->registerService(IApiFactory::class, function (Server $c) {
-			return new ApiFactory($c->getHTTPClientService());
-		});
-
-		$this->registerService(IInstanceFactory::class, function (Server $c) {
-			$memcacheFactory = $c->getMemCacheFactory();
-			return new InstanceFactory($memcacheFactory->createLocal('remoteinstance.'), $c->getHTTPClientService());
-		});
-
-		$this->registerService(IContactsStore::class, function (Server $c) {
-			return new ContactsStore(
-				$c->getContactsManager(),
-				$c->getConfig(),
-				$c->getUserManager(),
-				$c->getGroupManager()
-			);
-		});
-		$this->registerAlias(IContactsStore::class, ContactsStore::class);
-		$this->registerAlias(IAccountManager::class, AccountManager::class);
-
-		$this->registerService(IStorageFactory::class, function () {
-			return new StorageFactory();
-		});
-
-		$this->registerAlias(IDashboardManager::class, DashboardManager::class);
-		$this->registerAlias(IFullTextSearchManager::class, FullTextSearchManager::class);
-
-		$this->registerAlias(ISubAdmin::class, SubAdmin::class);
-
-		$this->registerAlias(IInitialStateService::class, InitialStateService::class);
-
-		$this->connectDispatcher();
-	}
-
-	/**
-	 * @return \OCP\Calendar\IManager
-	 */
-	public function getCalendarManager() {
-		return $this->query(\OC\Calendar\Manager::class);
-	}
-
-	/**
-	 * @return \OCP\Calendar\Resource\IManager
-	 */
-	public function getCalendarResourceBackendManager() {
-		return $this->query(\OC\Calendar\Resource\Manager::class);
-	}
-
-	/**
-	 * @return \OCP\Calendar\Room\IManager
-	 */
-	public function getCalendarRoomBackendManager() {
-		return $this->query(\OC\Calendar\Room\Manager::class);
-	}
-
-	private function connectDispatcher() {
-		$dispatcher = $this->getEventDispatcher();
-
-		// Delete avatar on user deletion
-		$dispatcher->addListener('OCP\IUser::preDelete', function (GenericEvent $e) {
-			$logger = $this->getLogger();
-			$manager = $this->getAvatarManager();
-			/** @var IUser $user */
-			$user = $e->getSubject();
-
-			try {
-				$avatar = $manager->getAvatar($user->getUID());
-				$avatar->remove();
-			} catch (NotFoundException $e) {
-				// no avatar to remove
-			} catch (\Exception $e) {
-				// Ignore exceptions
-				$logger->info('Could not cleanup avatar of ' . $user->getUID());
-			}
-		});
-
-		$dispatcher->addListener('OCP\IUser::changeUser', function (GenericEvent $e) {
-			$manager = $this->getAvatarManager();
-			/** @var IUser $user */
-			$user = $e->getSubject();
-			$feature = $e->getArgument('feature');
-			$oldValue = $e->getArgument('oldValue');
-			$value = $e->getArgument('value');
-
-			// We only change the avatar on display name changes
-			if ($feature !== 'displayName') {
-				return;
-			}
-
-			try {
-				$avatar = $manager->getAvatar($user->getUID());
-				$avatar->userChanged($feature, $oldValue, $value);
-			} catch (NotFoundException $e) {
-				// no avatar to remove
-			}
-		});
-
-		/** @var IEventDispatcher $eventDispatched */
-		$eventDispatched = $this->query(IEventDispatcher::class);
-		$eventDispatched->addServiceListener(LoginFailed::class, LoginFailedListener::class);
-	}
-
-	/**
-	 * @return \OCP\Contacts\IManager
-	 */
-	public function getContactsManager() {
-		return $this->query(\OCP\Contacts\IManager::class);
-	}
-
-	/**
-	 * @return \OC\Encryption\Manager
-	 */
-	public function getEncryptionManager() {
-		return $this->query(\OCP\Encryption\IManager::class);
-	}
-
-	/**
-	 * @return \OC\Encryption\File
-	 */
-	public function getEncryptionFilesHelper() {
-		return $this->query('EncryptionFileHelper');
-	}
-
-	/**
-	 * @return \OCP\Encryption\Keys\IStorage
-	 */
-	public function getEncryptionKeyStorage() {
-		return $this->query('EncryptionKeyStorage');
-	}
-
-	/**
-	 * The current request object holding all information about the request
-	 * currently being processed is returned from this method.
-	 * In case the current execution was not initiated by a web request null is returned
-	 *
-	 * @return \OCP\IRequest
-	 */
-	public function getRequest() {
-		return $this->query(IRequest::class);
-	}
-
-	/**
-	 * Returns the preview manager which can create preview images for a given file
-	 *
-	 * @return IPreview
-	 */
-	public function getPreviewManager() {
-		return $this->query(IPreview::class);
-	}
-
-	/**
-	 * Returns the tag manager which can get and set tags for different object types
-	 *
-	 * @see \OCP\ITagManager::load()
-	 * @return ITagManager
-	 */
-	public function getTagManager() {
-		return $this->query(ITagManager::class);
-	}
-
-	/**
-	 * Returns the system-tag manager
-	 *
-	 * @return ISystemTagManager
-	 *
-	 * @since 9.0.0
-	 */
-	public function getSystemTagManager() {
-		return $this->query(ISystemTagManager::class);
-	}
-
-	/**
-	 * Returns the system-tag object mapper
-	 *
-	 * @return ISystemTagObjectMapper
-	 *
-	 * @since 9.0.0
-	 */
-	public function getSystemTagObjectMapper() {
-		return $this->query(ISystemTagObjectMapper::class);
-	}
-
-	/**
-	 * Returns the avatar manager, used for avatar functionality
-	 *
-	 * @return IAvatarManager
-	 */
-	public function getAvatarManager() {
-		return $this->query(IAvatarManager::class);
-	}
-
-	/**
-	 * Returns the root folder of ownCloud's data directory
-	 *
-	 * @return IRootFolder
-	 */
-	public function getRootFolder() {
-		return $this->query(IRootFolder::class);
-	}
-
-	/**
-	 * Returns the root folder of ownCloud's data directory
-	 * This is the lazy variant so this gets only initialized once it
-	 * is actually used.
-	 *
-	 * @return IRootFolder
-	 */
-	public function getLazyRootFolder() {
-		return $this->query(IRootFolder::class);
-	}
-
-	/**
-	 * Returns a view to ownCloud's files folder
-	 *
-	 * @param string $userId user ID
-	 * @return \OCP\Files\Folder|null
-	 */
-	public function getUserFolder($userId = null) {
-		if ($userId === null) {
-			$user = $this->getUserSession()->getUser();
-			if (!$user) {
-				return null;
-			}
-			$userId = $user->getUID();
-		}
-		$root = $this->getRootFolder();
-		return $root->getUserFolder($userId);
-	}
-
-	/**
-	 * Returns an app-specific view in ownClouds data directory
-	 *
-	 * @return \OCP\Files\Folder
-	 * @deprecated since 9.2.0 use IAppData
-	 */
-	public function getAppFolder() {
-		$dir = '/' . \OC_App::getCurrentApp();
-		$root = $this->getRootFolder();
-		if (!$root->nodeExists($dir)) {
-			$folder = $root->newFolder($dir);
-		} else {
-			$folder = $root->get($dir);
-		}
-		return $folder;
-	}
-
-	/**
-	 * @return \OC\User\Manager
-	 */
-	public function getUserManager() {
-		return $this->query(IUserManager::class);
-	}
-
-	/**
-	 * @return \OC\Group\Manager
-	 */
-	public function getGroupManager() {
-		return $this->query(IGroupManager::class);
-	}
-
-	/**
-	 * @return \OC\User\Session
-	 */
-	public function getUserSession() {
-		return $this->query(IUserSession::class);
-	}
-
-	/**
-	 * @return \OCP\ISession
-	 */
-	public function getSession() {
-		return $this->getUserSession()->getSession();
-	}
-
-	/**
-	 * @param \OCP\ISession $session
-	 */
-	public function setSession(\OCP\ISession $session) {
-		$this->query(SessionStorage::class)->setSession($session);
-		$this->getUserSession()->setSession($session);
-		$this->query(Store::class)->setSession($session);
-	}
-
-	/**
-	 * @return \OC\Authentication\TwoFactorAuth\Manager
-	 */
-	public function getTwoFactorAuthManager() {
-		return $this->query(\OC\Authentication\TwoFactorAuth\Manager::class);
-	}
-
-	/**
-	 * @return \OC\NavigationManager
-	 */
-	public function getNavigationManager() {
-		return $this->query(INavigationManager::class);
-	}
-
-	/**
-	 * @return \OCP\IConfig
-	 */
-	public function getConfig() {
-		return $this->query(AllConfig::class);
-	}
-
-	/**
-	 * @return \OC\SystemConfig
-	 */
-	public function getSystemConfig() {
-		return $this->query(SystemConfig::class);
-	}
-
-	/**
-	 * Returns the app config manager
-	 *
-	 * @return IAppConfig
-	 */
-	public function getAppConfig() {
-		return $this->query(IAppConfig::class);
-	}
-
-	/**
-	 * @return IFactory
-	 */
-	public function getL10NFactory() {
-		return $this->query(IFactory::class);
-	}
-
-	/**
-	 * get an L10N instance
-	 *
-	 * @param string $app appid
-	 * @param string $lang
-	 * @return IL10N
-	 */
-	public function getL10N($app, $lang = null) {
-		return $this->getL10NFactory()->get($app, $lang);
-	}
-
-	/**
-	 * @return IURLGenerator
-	 */
-	public function getURLGenerator() {
-		return $this->query(IURLGenerator::class);
-	}
-
-	/**
-	 * @return AppFetcher
-	 */
-	public function getAppFetcher() {
-		return $this->query(AppFetcher::class);
-	}
-
-	/**
-	 * Returns an ICache instance. Since 8.1.0 it returns a fake cache. Use
-	 * getMemCacheFactory() instead.
-	 *
-	 * @return ICache
-	 * @deprecated 8.1.0 use getMemCacheFactory to obtain a proper cache
-	 */
-	public function getCache() {
-		return $this->query(ICache::class);
-	}
-
-	/**
-	 * Returns an \OCP\CacheFactory instance
-	 *
-	 * @return \OCP\ICacheFactory
-	 */
-	public function getMemCacheFactory() {
-		return $this->query(Factory::class);
-	}
-
-	/**
-	 * Returns an \OC\RedisFactory instance
-	 *
-	 * @return \OC\RedisFactory
-	 */
-	public function getGetRedisFactory() {
-		return $this->query('RedisFactory');
-	}
-
-
-	/**
-	 * Returns the current session
-	 *
-	 * @return \OCP\IDBConnection
-	 */
-	public function getDatabaseConnection() {
-		return $this->query(IDBConnection::class);
-	}
-
-	/**
-	 * Returns the activity manager
-	 *
-	 * @return \OCP\Activity\IManager
-	 */
-	public function getActivityManager() {
-		return $this->query(\OCP\Activity\IManager::class);
-	}
-
-	/**
-	 * Returns an job list for controlling background jobs
-	 *
-	 * @return IJobList
-	 */
-	public function getJobList() {
-		return $this->query(IJobList::class);
-	}
-
-	/**
-	 * Returns a logger instance
-	 *
-	 * @return ILogger
-	 */
-	public function getLogger() {
-		return $this->query(ILogger::class);
-	}
-
-	/**
-	 * @return ILogFactory
-	 * @throws \OCP\AppFramework\QueryException
-	 */
-	public function getLogFactory() {
-		return $this->query(ILogFactory::class);
-	}
-
-	/**
-	 * Returns a router for generating and matching urls
-	 *
-	 * @return IRouter
-	 */
-	public function getRouter() {
-		return $this->query(IRouter::class);
-	}
-
-	/**
-	 * Returns a search instance
-	 *
-	 * @return ISearch
-	 */
-	public function getSearch() {
-		return $this->query(ISearch::class);
-	}
-
-	/**
-	 * Returns a SecureRandom instance
-	 *
-	 * @return \OCP\Security\ISecureRandom
-	 */
-	public function getSecureRandom() {
-		return $this->query(ISecureRandom::class);
-	}
-
-	/**
-	 * Returns a Crypto instance
-	 *
-	 * @return ICrypto
-	 */
-	public function getCrypto() {
-		return $this->query(ICrypto::class);
-	}
-
-	/**
-	 * Returns a Hasher instance
-	 *
-	 * @return IHasher
-	 */
-	public function getHasher() {
-		return $this->query(IHasher::class);
-	}
-
-	/**
-	 * Returns a CredentialsManager instance
-	 *
-	 * @return ICredentialsManager
-	 */
-	public function getCredentialsManager() {
-		return $this->query(ICredentialsManager::class);
-	}
-
-	/**
-	 * Get the certificate manager for the user
-	 *
-	 * @param string $userId (optional) if not specified the current loggedin user is used, use null to get the system certificate manager
-	 * @return \OCP\ICertificateManager | null if $uid is null and no user is logged in
-	 */
-	public function getCertificateManager($userId = '') {
-		if ($userId === '') {
-			$userSession = $this->getUserSession();
-			$user = $userSession->getUser();
-			if (is_null($user)) {
-				return null;
-			}
-			$userId = $user->getUID();
-		}
-		return new CertificateManager(
-			$userId,
-			new View(),
-			$this->getConfig(),
-			$this->getLogger(),
-			$this->getSecureRandom()
-		);
-	}
-
-	/**
-	 * Returns an instance of the HTTP client service
-	 *
-	 * @return IClientService
-	 */
-	public function getHTTPClientService() {
-		return $this->query(IClientService::class);
-	}
-
-	/**
-	 * Create a new event source
-	 *
-	 * @return \OCP\IEventSource
-	 */
-	public function createEventSource() {
-		return new \OC_EventSource();
-	}
-
-	/**
-	 * Get the active event logger
-	 *
-	 * The returned logger only logs data when debug mode is enabled
-	 *
-	 * @return IEventLogger
-	 */
-	public function getEventLogger() {
-		return $this->query(IEventLogger::class);
-	}
-
-	/**
-	 * Get the active query logger
-	 *
-	 * The returned logger only logs data when debug mode is enabled
-	 *
-	 * @return IQueryLogger
-	 */
-	public function getQueryLogger() {
-		return $this->query(IQueryLogger::class);
-	}
-
-	/**
-	 * Get the manager for temporary files and folders
-	 *
-	 * @return \OCP\ITempManager
-	 */
-	public function getTempManager() {
-		return $this->query(ITempManager::class);
-	}
-
-	/**
-	 * Get the app manager
-	 *
-	 * @return \OCP\App\IAppManager
-	 */
-	public function getAppManager() {
-		return $this->query(IAppManager::class);
-	}
-
-	/**
-	 * Creates a new mailer
-	 *
-	 * @return IMailer
-	 */
-	public function getMailer() {
-		return $this->query(IMailer::class);
-	}
-
-	/**
-	 * Get the webroot
-	 *
-	 * @return string
-	 */
-	public function getWebRoot() {
-		return $this->webRoot;
-	}
-
-	/**
-	 * @return \OC\OCSClient
-	 */
-	public function getOcsClient() {
-		return $this->query('OcsClient');
-	}
-
-	/**
-	 * @return IDateTimeZone
-	 */
-	public function getDateTimeZone() {
-		return $this->query(IDateTimeZone::class);
-	}
-
-	/**
-	 * @return IDateTimeFormatter
-	 */
-	public function getDateTimeFormatter() {
-		return $this->query(IDateTimeFormatter::class);
-	}
-
-	/**
-	 * @return IMountProviderCollection
-	 */
-	public function getMountProviderCollection() {
-		return $this->query(IMountProviderCollection::class);
-	}
-
-	/**
-	 * Get the IniWrapper
-	 *
-	 * @return IniGetWrapper
-	 */
-	public function getIniWrapper() {
-		return $this->query('IniWrapper');
-	}
-
-	/**
-	 * @return \OCP\Command\IBus
-	 */
-	public function getCommandBus() {
-		return $this->query('AsyncCommandBus');
-	}
-
-	/**
-	 * Get the trusted domain helper
-	 *
-	 * @return TrustedDomainHelper
-	 */
-	public function getTrustedDomainHelper() {
-		return $this->query('TrustedDomainHelper');
-	}
-
-	/**
-	 * Get the locking provider
-	 *
-	 * @return ILockingProvider
-	 * @since 8.1.0
-	 */
-	public function getLockingProvider() {
-		return $this->query(ILockingProvider::class);
-	}
-
-	/**
-	 * @return IMountManager
-	 **/
-	function getMountManager() {
-		return $this->query(IMountManager::class);
-	}
-
-	/**
-	 * @return IUserMountCache
-	 */
-	function getUserMountCache() {
-		return $this->query(IUserMountCache::class);
-	}
-
-	/**
-	 * Get the MimeTypeDetector
-	 *
-	 * @return IMimeTypeDetector
-	 */
-	public function getMimeTypeDetector() {
-		return $this->query(IMimeTypeDetector::class);
-	}
-
-	/**
-	 * Get the MimeTypeLoader
-	 *
-	 * @return IMimeTypeLoader
-	 */
-	public function getMimeTypeLoader() {
-		return $this->query(IMimeTypeLoader::class);
-	}
-
-	/**
-	 * Get the manager of all the capabilities
-	 *
-	 * @return CapabilitiesManager
-	 */
-	public function getCapabilitiesManager() {
-		return $this->query(CapabilitiesManager::class);
-	}
-
-	/**
-	 * Get the EventDispatcher
-	 *
-	 * @return EventDispatcherInterface
-	 * @since 8.2.0
-	 * @deprecated 18.0.0 use \OCP\EventDispatcher\IEventDispatcher
-	 */
-	public function getEventDispatcher() {
-		return $this->query(\OC\EventDispatcher\SymfonyAdapter::class);
-	}
-
-	/**
-	 * Get the Notification Manager
-	 *
-	 * @return \OCP\Notification\IManager
-	 * @since 8.2.0
-	 */
-	public function getNotificationManager() {
-		return $this->query(\OCP\Notification\IManager::class);
-	}
-
-	/**
-	 * @return ICommentsManager
-	 */
-	public function getCommentsManager() {
-		return $this->query(ICommentsManager::class);
-	}
-
-	/**
-	 * @return \OCA\Theming\ThemingDefaults
-	 */
-	public function getThemingDefaults() {
-		return $this->query('ThemingDefaults');
-	}
-
-	/**
-	 * @return \OC\IntegrityCheck\Checker
-	 */
-	public function getIntegrityCodeChecker() {
-		return $this->query('IntegrityCodeChecker');
-	}
-
-	/**
-	 * @return \OC\Session\CryptoWrapper
-	 */
-	public function getSessionCryptoWrapper() {
-		return $this->query('CryptoWrapper');
-	}
-
-	/**
-	 * @return CsrfTokenManager
-	 */
-	public function getCsrfTokenManager() {
-		return $this->query(CsrfTokenManager::class);
-	}
-
-	/**
-	 * @return Throttler
-	 */
-	public function getBruteForceThrottler() {
-		return $this->query(Throttler::class);
-	}
-
-	/**
-	 * @return IContentSecurityPolicyManager
-	 */
-	public function getContentSecurityPolicyManager() {
-		return $this->query(ContentSecurityPolicyManager::class);
-	}
-
-	/**
-	 * @return ContentSecurityPolicyNonceManager
-	 */
-	public function getContentSecurityPolicyNonceManager() {
-		return $this->query('ContentSecurityPolicyNonceManager');
-	}
-
-	/**
-	 * Not a public API as of 8.2, wait for 9.0
-	 *
-	 * @return \OCA\Files_External\Service\BackendService
-	 */
-	public function getStoragesBackendService() {
-		return $this->query(BackendService::class);
-	}
-
-	/**
-	 * Not a public API as of 8.2, wait for 9.0
-	 *
-	 * @return \OCA\Files_External\Service\GlobalStoragesService
-	 */
-	public function getGlobalStoragesService() {
-		return $this->query(GlobalStoragesService::class);
-	}
-
-	/**
-	 * Not a public API as of 8.2, wait for 9.0
-	 *
-	 * @return \OCA\Files_External\Service\UserGlobalStoragesService
-	 */
-	public function getUserGlobalStoragesService() {
-		return $this->query(UserGlobalStoragesService::class);
-	}
-
-	/**
-	 * Not a public API as of 8.2, wait for 9.0
-	 *
-	 * @return \OCA\Files_External\Service\UserStoragesService
-	 */
-	public function getUserStoragesService() {
-		return $this->query(UserStoragesService::class);
-	}
-
-	/**
-	 * @return \OCP\Share\IManager
-	 */
-	public function getShareManager() {
-		return $this->query(\OCP\Share\IManager::class);
-	}
-
-	/**
-	 * @return \OCP\Collaboration\Collaborators\ISearch
-	 */
-	public function getCollaboratorSearch() {
-		return $this->query(\OCP\Collaboration\Collaborators\ISearch::class);
-	}
-
-	/**
-	 * @return \OCP\Collaboration\AutoComplete\IManager
-	 */
-	public function getAutoCompleteManager() {
-		return $this->query(IManager::class);
-	}
-
-	/**
-	 * Returns the LDAP Provider
-	 *
-	 * @return \OCP\LDAP\ILDAPProvider
-	 */
-	public function getLDAPProvider() {
-		return $this->query('LDAPProvider');
-	}
-
-	/**
-	 * @return \OCP\Settings\IManager
-	 */
-	public function getSettingsManager() {
-		return $this->query('SettingsManager');
-	}
-
-	/**
-	 * @return \OCP\Files\IAppData
-	 */
-	public function getAppDataDir($app) {
-		/** @var \OC\Files\AppData\Factory $factory */
-		$factory = $this->query(\OC\Files\AppData\Factory::class);
-		return $factory->get($app);
-	}
-
-	/**
-	 * @return \OCP\Lockdown\ILockdownManager
-	 */
-	public function getLockdownManager() {
-		return $this->query('LockdownManager');
-	}
-
-	/**
-	 * @return \OCP\Federation\ICloudIdManager
-	 */
-	public function getCloudIdManager() {
-		return $this->query(ICloudIdManager::class);
-	}
-
-	/**
-	 * @return \OCP\GlobalScale\IConfig
-	 */
-	public function getGlobalScaleConfig() {
-		return $this->query(IConfig::class);
-	}
-
-	/**
-	 * @return \OCP\Federation\ICloudFederationProviderManager
-	 */
-	public function getCloudFederationProviderManager() {
-		return $this->query(ICloudFederationProviderManager::class);
-	}
-
-	/**
-	 * @return \OCP\Remote\Api\IApiFactory
-	 */
-	public function getRemoteApiFactory() {
-		return $this->query(IApiFactory::class);
-	}
-
-	/**
-	 * @return \OCP\Federation\ICloudFederationFactory
-	 */
-	public function getCloudFederationFactory() {
-		return $this->query(ICloudFederationFactory::class);
-	}
-
-	/**
-	 * @return \OCP\Remote\IInstanceFactory
-	 */
-	public function getRemoteInstanceFactory() {
-		return $this->query(IInstanceFactory::class);
-	}
-
-	/**
-	 * @return IStorageFactory
-	 */
-	public function getStorageFactory() {
-		return $this->query(IStorageFactory::class);
-	}
-
-	/**
-	 * Get the Preview GeneratorHelper
-	 *
-	 * @return GeneratorHelper
-	 * @since 17.0.0
-	 */
-	public function getGeneratorHelper() {
-		return $this->query(\OC\Preview\GeneratorHelper::class);
-	}
-
-	private function registerDeprecatedAlias(string $alias, string $target) {
-		$this->registerService($alias, function (IContainer $container) use ($target, $alias) {
-			try {
-				/** @var ILogger $logger */
-				$logger = $container->query(ILogger::class);
-				$logger->debug('The requested alias "' . $alias . '" is depreacted. Please request "' . $target . '" directly. This alias will be removed in a future Nextcloud version.', ['app' => 'serverDI']);
-			} catch (QueryException $e) {
-				// Could not get logger. Continue
-			}
-
-			return $container->query($target);
-		}, false);
-	}
+            $prefixes = \OC::$composerAutoloader->getPrefixesPsr4();
+            if (isset($prefixes['OCA\\Theming\\'])) {
+                $classExists = true;
+            } else {
+                $classExists = false;
+            }
+
+            if ($classExists && $c->getConfig()->getSystemValue('installed', false) && $c->getAppManager()->isInstalled('theming') && $c->getTrustedDomainHelper()->isTrustedDomain($c->getRequest()->getInsecureServerHost())) {
+                return new ThemingDefaults(
+                    $c->getConfig(),
+                    $c->getL10N('theming'),
+                    $c->getURLGenerator(),
+                    $c->getMemCacheFactory(),
+                    new Util($c->getConfig(), $this->getAppManager(), $c->getAppDataDir('theming')),
+                    new ImageManager($c->getConfig(), $c->getAppDataDir('theming'), $c->getURLGenerator(), $this->getMemCacheFactory(), $this->getLogger()),
+                    $c->getAppManager(),
+                    $c->getNavigationManager()
+                );
+            }
+            return new \OC_Defaults();
+        });
+        $this->registerService(SCSSCacher::class, function (Server $c) {
+            return new SCSSCacher(
+                $c->getLogger(),
+                $c->query(\OC\Files\AppData\Factory::class),
+                $c->getURLGenerator(),
+                $c->getConfig(),
+                $c->getThemingDefaults(),
+                \OC::$SERVERROOT,
+                $this->getMemCacheFactory(),
+                $c->query(IconsCacher::class),
+                new TimeFactory()
+            );
+        });
+        $this->registerService(JSCombiner::class, function (Server $c) {
+            return new JSCombiner(
+                $c->getAppDataDir('js'),
+                $c->getURLGenerator(),
+                $this->getMemCacheFactory(),
+                $c->getSystemConfig(),
+                $c->getLogger()
+            );
+        });
+        $this->registerAlias(\OCP\EventDispatcher\IEventDispatcher::class, \OC\EventDispatcher\EventDispatcher::class);
+        $this->registerDeprecatedAlias('EventDispatcher', \OC\EventDispatcher\SymfonyAdapter::class);
+        $this->registerAlias(EventDispatcherInterface::class, \OC\EventDispatcher\SymfonyAdapter::class);
+
+        $this->registerService('CryptoWrapper', function (Server $c) {
+            // FIXME: Instantiiated here due to cyclic dependency
+            $request = new Request(
+                [
+                    'get' => $_GET,
+                    'post' => $_POST,
+                    'files' => $_FILES,
+                    'server' => $_SERVER,
+                    'env' => $_ENV,
+                    'cookies' => $_COOKIE,
+                    'method' => (isset($_SERVER) && isset($_SERVER['REQUEST_METHOD']))
+                        ? $_SERVER['REQUEST_METHOD']
+                        : null,
+                ],
+                $c->getSecureRandom(),
+                $c->getConfig()
+            );
+
+            return new CryptoWrapper(
+                $c->getConfig(),
+                $c->getCrypto(),
+                $c->getSecureRandom(),
+                $request
+            );
+        });
+        $this->registerService(CsrfTokenManager::class, function (Server $c) {
+            $tokenGenerator = new CsrfTokenGenerator($c->getSecureRandom());
+
+            return new CsrfTokenManager(
+                $tokenGenerator,
+                $c->query(SessionStorage::class)
+            );
+        });
+        $this->registerDeprecatedAlias('CsrfTokenManager', CsrfTokenManager::class);
+        $this->registerService(SessionStorage::class, function (Server $c) {
+            return new SessionStorage($c->getSession());
+        });
+        $this->registerAlias(\OCP\Security\IContentSecurityPolicyManager::class, ContentSecurityPolicyManager::class);
+        $this->registerDeprecatedAlias('ContentSecurityPolicyManager', ContentSecurityPolicyManager::class);
+
+        $this->registerService('ContentSecurityPolicyNonceManager', function (Server $c) {
+            return new ContentSecurityPolicyNonceManager(
+                $c->getCsrfTokenManager(),
+                $c->getRequest()
+            );
+        });
+
+        $this->registerService(\OCP\Share\IManager::class, function (Server $c) {
+            $config = $c->getConfig();
+            $factoryClass = $config->getSystemValue('sharing.managerFactory', ProviderFactory::class);
+            /** @var \OCP\Share\IProviderFactory $factory */
+            $factory = new $factoryClass($this);
+
+            $manager = new \OC\Share20\Manager(
+                $c->getLogger(),
+                $c->getConfig(),
+                $c->getSecureRandom(),
+                $c->getHasher(),
+                $c->getMountManager(),
+                $c->getGroupManager(),
+                $c->getL10N('lib'),
+                $c->getL10NFactory(),
+                $factory,
+                $c->getUserManager(),
+                $c->getLazyRootFolder(),
+                $c->getEventDispatcher(),
+                $c->getMailer(),
+                $c->getURLGenerator(),
+                $c->getThemingDefaults(),
+                $c->query(IEventDispatcher::class)
+            );
+
+            return $manager;
+        });
+        $this->registerDeprecatedAlias('ShareManager', \OCP\Share\IManager::class);
+
+        $this->registerService(\OCP\Collaboration\Collaborators\ISearch::class, function (Server $c) {
+            $instance = new Collaboration\Collaborators\Search($c);
+
+            // register default plugins
+            $instance->registerPlugin(['shareType' => 'SHARE_TYPE_USER', 'class' => UserPlugin::class]);
+            $instance->registerPlugin(['shareType' => 'SHARE_TYPE_GROUP', 'class' => GroupPlugin::class]);
+            $instance->registerPlugin(['shareType' => 'SHARE_TYPE_EMAIL', 'class' => MailPlugin::class]);
+            $instance->registerPlugin(['shareType' => 'SHARE_TYPE_REMOTE', 'class' => RemotePlugin::class]);
+            $instance->registerPlugin(['shareType' => 'SHARE_TYPE_REMOTE_GROUP', 'class' => RemoteGroupPlugin::class]);
+
+            return $instance;
+        });
+        $this->registerDeprecatedAlias('CollaboratorSearch', \OCP\Collaboration\Collaborators\ISearch::class);
+        $this->registerAlias(\OCP\Collaboration\Collaborators\ISearchResult::class, \OC\Collaboration\Collaborators\SearchResult::class);
+
+        $this->registerAlias(\OCP\Collaboration\AutoComplete\IManager::class, \OC\Collaboration\AutoComplete\Manager::class);
+
+        $this->registerAlias(\OCP\Collaboration\Resources\IProviderManager::class, \OC\Collaboration\Resources\ProviderManager::class);
+        $this->registerAlias(\OCP\Collaboration\Resources\IManager::class, \OC\Collaboration\Resources\Manager::class);
+
+        $this->registerService('SettingsManager', function (Server $c) {
+            $manager = new \OC\Settings\Manager(
+                $c->getLogger(),
+                $c->getL10NFactory(),
+                $c->getURLGenerator(),
+                $c
+            );
+            return $manager;
+        });
+        $this->registerService(\OC\Files\AppData\Factory::class, function (Server $c) {
+            return new \OC\Files\AppData\Factory(
+                $c->getRootFolder(),
+                $c->getSystemConfig()
+            );
+        });
+
+        $this->registerService('LockdownManager', function (Server $c) {
+            return new LockdownManager(function () use ($c) {
+                return $c->getSession();
+            });
+        });
+
+        $this->registerService(\OCP\OCS\IDiscoveryService::class, function (Server $c) {
+            return new DiscoveryService($c->getMemCacheFactory(), $c->getHTTPClientService());
+        });
+
+        $this->registerService(ICloudIdManager::class, function (Server $c) {
+            return new CloudIdManager();
+        });
+
+        $this->registerService(IConfig::class, function (Server $c) {
+            return new GlobalScale\Config($c->getConfig());
+        });
+
+        $this->registerService(ICloudFederationProviderManager::class, function (Server $c) {
+            return new CloudFederationProviderManager($c->getAppManager(), $c->getHTTPClientService(), $c->getCloudIdManager(), $c->getLogger());
+        });
+
+        $this->registerService(ICloudFederationFactory::class, function (Server $c) {
+            return new CloudFederationFactory();
+        });
+
+        $this->registerAlias(\OCP\AppFramework\Utility\IControllerMethodReflector::class, \OC\AppFramework\Utility\ControllerMethodReflector::class);
+        $this->registerDeprecatedAlias('ControllerMethodReflector', \OCP\AppFramework\Utility\IControllerMethodReflector::class);
+
+        $this->registerAlias(\OCP\AppFramework\Utility\ITimeFactory::class, \OC\AppFramework\Utility\TimeFactory::class);
+        $this->registerDeprecatedAlias('TimeFactory', \OCP\AppFramework\Utility\ITimeFactory::class);
+
+        $this->registerService(Defaults::class, function (Server $c) {
+            return new Defaults(
+                $c->getThemingDefaults()
+            );
+        });
+        $this->registerDeprecatedAlias('Defaults', \OCP\Defaults::class);
+
+        $this->registerService(\OCP\ISession::class, function (SimpleContainer $c) {
+            return $c->query(\OCP\IUserSession::class)->getSession();
+        });
+
+        $this->registerService(IShareHelper::class, function (Server $c) {
+            return new ShareHelper(
+                $c->query(\OCP\Share\IManager::class)
+            );
+        });
+
+        $this->registerService(Installer::class, function (Server $c) {
+            return new Installer(
+                $c->getAppFetcher(),
+                $c->getHTTPClientService(),
+                $c->getTempManager(),
+                $c->getLogger(),
+                $c->getConfig(),
+                \OC::$CLI
+            );
+        });
+
+        $this->registerService(IApiFactory::class, function (Server $c) {
+            return new ApiFactory($c->getHTTPClientService());
+        });
+
+        $this->registerService(IInstanceFactory::class, function (Server $c) {
+            $memcacheFactory = $c->getMemCacheFactory();
+            return new InstanceFactory($memcacheFactory->createLocal('remoteinstance.'), $c->getHTTPClientService());
+        });
+
+        $this->registerService(IContactsStore::class, function (Server $c) {
+            return new ContactsStore(
+                $c->getContactsManager(),
+                $c->getConfig(),
+                $c->getUserManager(),
+                $c->getGroupManager()
+            );
+        });
+        $this->registerAlias(IContactsStore::class, ContactsStore::class);
+        $this->registerAlias(IAccountManager::class, AccountManager::class);
+
+        $this->registerService(IStorageFactory::class, function () {
+            return new StorageFactory();
+        });
+
+        $this->registerAlias(IDashboardManager::class, DashboardManager::class);
+        $this->registerAlias(IFullTextSearchManager::class, FullTextSearchManager::class);
+
+        $this->registerAlias(ISubAdmin::class, SubAdmin::class);
+
+        $this->registerAlias(IInitialStateService::class, InitialStateService::class);
+
+        $this->connectDispatcher();
+    }
+
+    /**
+     * @return \OCP\Calendar\IManager
+     */
+    public function getCalendarManager() {
+        return $this->query(\OC\Calendar\Manager::class);
+    }
+
+    /**
+     * @return \OCP\Calendar\Resource\IManager
+     */
+    public function getCalendarResourceBackendManager() {
+        return $this->query(\OC\Calendar\Resource\Manager::class);
+    }
+
+    /**
+     * @return \OCP\Calendar\Room\IManager
+     */
+    public function getCalendarRoomBackendManager() {
+        return $this->query(\OC\Calendar\Room\Manager::class);
+    }
+
+    private function connectDispatcher() {
+        $dispatcher = $this->getEventDispatcher();
+
+        // Delete avatar on user deletion
+        $dispatcher->addListener('OCP\IUser::preDelete', function (GenericEvent $e) {
+            $logger = $this->getLogger();
+            $manager = $this->getAvatarManager();
+            /** @var IUser $user */
+            $user = $e->getSubject();
+
+            try {
+                $avatar = $manager->getAvatar($user->getUID());
+                $avatar->remove();
+            } catch (NotFoundException $e) {
+                // no avatar to remove
+            } catch (\Exception $e) {
+                // Ignore exceptions
+                $logger->info('Could not cleanup avatar of ' . $user->getUID());
+            }
+        });
+
+        $dispatcher->addListener('OCP\IUser::changeUser', function (GenericEvent $e) {
+            $manager = $this->getAvatarManager();
+            /** @var IUser $user */
+            $user = $e->getSubject();
+            $feature = $e->getArgument('feature');
+            $oldValue = $e->getArgument('oldValue');
+            $value = $e->getArgument('value');
+
+            // We only change the avatar on display name changes
+            if ($feature !== 'displayName') {
+                return;
+            }
+
+            try {
+                $avatar = $manager->getAvatar($user->getUID());
+                $avatar->userChanged($feature, $oldValue, $value);
+            } catch (NotFoundException $e) {
+                // no avatar to remove
+            }
+        });
+
+        /** @var IEventDispatcher $eventDispatched */
+        $eventDispatched = $this->query(IEventDispatcher::class);
+        $eventDispatched->addServiceListener(LoginFailed::class, LoginFailedListener::class);
+    }
+
+    /**
+     * @return \OCP\Contacts\IManager
+     */
+    public function getContactsManager() {
+        return $this->query(\OCP\Contacts\IManager::class);
+    }
+
+    /**
+     * @return \OC\Encryption\Manager
+     */
+    public function getEncryptionManager() {
+        return $this->query(\OCP\Encryption\IManager::class);
+    }
+
+    /**
+     * @return \OC\Encryption\File
+     */
+    public function getEncryptionFilesHelper() {
+        return $this->query('EncryptionFileHelper');
+    }
+
+    /**
+     * @return \OCP\Encryption\Keys\IStorage
+     */
+    public function getEncryptionKeyStorage() {
+        return $this->query('EncryptionKeyStorage');
+    }
+
+    /**
+     * The current request object holding all information about the request
+     * currently being processed is returned from this method.
+     * In case the current execution was not initiated by a web request null is returned
+     *
+     * @return \OCP\IRequest
+     */
+    public function getRequest() {
+        return $this->query(IRequest::class);
+    }
+
+    /**
+     * Returns the preview manager which can create preview images for a given file
+     *
+     * @return IPreview
+     */
+    public function getPreviewManager() {
+        return $this->query(IPreview::class);
+    }
+
+    /**
+     * Returns the tag manager which can get and set tags for different object types
+     *
+     * @see \OCP\ITagManager::load()
+     * @return ITagManager
+     */
+    public function getTagManager() {
+        return $this->query(ITagManager::class);
+    }
+
+    /**
+     * Returns the system-tag manager
+     *
+     * @return ISystemTagManager
+     *
+     * @since 9.0.0
+     */
+    public function getSystemTagManager() {
+        return $this->query(ISystemTagManager::class);
+    }
+
+    /**
+     * Returns the system-tag object mapper
+     *
+     * @return ISystemTagObjectMapper
+     *
+     * @since 9.0.0
+     */
+    public function getSystemTagObjectMapper() {
+        return $this->query(ISystemTagObjectMapper::class);
+    }
+
+    /**
+     * Returns the avatar manager, used for avatar functionality
+     *
+     * @return IAvatarManager
+     */
+    public function getAvatarManager() {
+        return $this->query(IAvatarManager::class);
+    }
+
+    /**
+     * Returns the root folder of ownCloud's data directory
+     *
+     * @return IRootFolder
+     */
+    public function getRootFolder() {
+        return $this->query(IRootFolder::class);
+    }
+
+    /**
+     * Returns the root folder of ownCloud's data directory
+     * This is the lazy variant so this gets only initialized once it
+     * is actually used.
+     *
+     * @return IRootFolder
+     */
+    public function getLazyRootFolder() {
+        return $this->query(IRootFolder::class);
+    }
+
+    /**
+     * Returns a view to ownCloud's files folder
+     *
+     * @param string $userId user ID
+     * @return \OCP\Files\Folder|null
+     */
+    public function getUserFolder($userId = null) {
+        if ($userId === null) {
+            $user = $this->getUserSession()->getUser();
+            if (!$user) {
+                return null;
+            }
+            $userId = $user->getUID();
+        }
+        $root = $this->getRootFolder();
+        return $root->getUserFolder($userId);
+    }
+
+    /**
+     * Returns an app-specific view in ownClouds data directory
+     *
+     * @return \OCP\Files\Folder
+     * @deprecated since 9.2.0 use IAppData
+     */
+    public function getAppFolder() {
+        $dir = '/' . \OC_App::getCurrentApp();
+        $root = $this->getRootFolder();
+        if (!$root->nodeExists($dir)) {
+            $folder = $root->newFolder($dir);
+        } else {
+            $folder = $root->get($dir);
+        }
+        return $folder;
+    }
+
+    /**
+     * @return \OC\User\Manager
+     */
+    public function getUserManager() {
+        return $this->query(IUserManager::class);
+    }
+
+    /**
+     * @return \OC\Group\Manager
+     */
+    public function getGroupManager() {
+        return $this->query(IGroupManager::class);
+    }
+
+    /**
+     * @return \OC\User\Session
+     */
+    public function getUserSession() {
+        return $this->query(IUserSession::class);
+    }
+
+    /**
+     * @return \OCP\ISession
+     */
+    public function getSession() {
+        return $this->getUserSession()->getSession();
+    }
+
+    /**
+     * @param \OCP\ISession $session
+     */
+    public function setSession(\OCP\ISession $session) {
+        $this->query(SessionStorage::class)->setSession($session);
+        $this->getUserSession()->setSession($session);
+        $this->query(Store::class)->setSession($session);
+    }
+
+    /**
+     * @return \OC\Authentication\TwoFactorAuth\Manager
+     */
+    public function getTwoFactorAuthManager() {
+        return $this->query(\OC\Authentication\TwoFactorAuth\Manager::class);
+    }
+
+    /**
+     * @return \OC\NavigationManager
+     */
+    public function getNavigationManager() {
+        return $this->query(INavigationManager::class);
+    }
+
+    /**
+     * @return \OCP\IConfig
+     */
+    public function getConfig() {
+        return $this->query(AllConfig::class);
+    }
+
+    /**
+     * @return \OC\SystemConfig
+     */
+    public function getSystemConfig() {
+        return $this->query(SystemConfig::class);
+    }
+
+    /**
+     * Returns the app config manager
+     *
+     * @return IAppConfig
+     */
+    public function getAppConfig() {
+        return $this->query(IAppConfig::class);
+    }
+
+    /**
+     * @return IFactory
+     */
+    public function getL10NFactory() {
+        return $this->query(IFactory::class);
+    }
+
+    /**
+     * get an L10N instance
+     *
+     * @param string $app appid
+     * @param string $lang
+     * @return IL10N
+     */
+    public function getL10N($app, $lang = null) {
+        return $this->getL10NFactory()->get($app, $lang);
+    }
+
+    /**
+     * @return IURLGenerator
+     */
+    public function getURLGenerator() {
+        return $this->query(IURLGenerator::class);
+    }
+
+    /**
+     * @return AppFetcher
+     */
+    public function getAppFetcher() {
+        return $this->query(AppFetcher::class);
+    }
+
+    /**
+     * Returns an ICache instance. Since 8.1.0 it returns a fake cache. Use
+     * getMemCacheFactory() instead.
+     *
+     * @return ICache
+     * @deprecated 8.1.0 use getMemCacheFactory to obtain a proper cache
+     */
+    public function getCache() {
+        return $this->query(ICache::class);
+    }
+
+    /**
+     * Returns an \OCP\CacheFactory instance
+     *
+     * @return \OCP\ICacheFactory
+     */
+    public function getMemCacheFactory() {
+        return $this->query(Factory::class);
+    }
+
+    /**
+     * Returns an \OC\RedisFactory instance
+     *
+     * @return \OC\RedisFactory
+     */
+    public function getGetRedisFactory() {
+        return $this->query('RedisFactory');
+    }
+
+
+    /**
+     * Returns the current session
+     *
+     * @return \OCP\IDBConnection
+     */
+    public function getDatabaseConnection() {
+        return $this->query(IDBConnection::class);
+    }
+
+    /**
+     * Returns the activity manager
+     *
+     * @return \OCP\Activity\IManager
+     */
+    public function getActivityManager() {
+        return $this->query(\OCP\Activity\IManager::class);
+    }
+
+    /**
+     * Returns an job list for controlling background jobs
+     *
+     * @return IJobList
+     */
+    public function getJobList() {
+        return $this->query(IJobList::class);
+    }
+
+    /**
+     * Returns a logger instance
+     *
+     * @return ILogger
+     */
+    public function getLogger() {
+        return $this->query(ILogger::class);
+    }
+
+    /**
+     * @return ILogFactory
+     * @throws \OCP\AppFramework\QueryException
+     */
+    public function getLogFactory() {
+        return $this->query(ILogFactory::class);
+    }
+
+    /**
+     * Returns a router for generating and matching urls
+     *
+     * @return IRouter
+     */
+    public function getRouter() {
+        return $this->query(IRouter::class);
+    }
+
+    /**
+     * Returns a search instance
+     *
+     * @return ISearch
+     */
+    public function getSearch() {
+        return $this->query(ISearch::class);
+    }
+
+    /**
+     * Returns a SecureRandom instance
+     *
+     * @return \OCP\Security\ISecureRandom
+     */
+    public function getSecureRandom() {
+        return $this->query(ISecureRandom::class);
+    }
+
+    /**
+     * Returns a Crypto instance
+     *
+     * @return ICrypto
+     */
+    public function getCrypto() {
+        return $this->query(ICrypto::class);
+    }
+
+    /**
+     * Returns a Hasher instance
+     *
+     * @return IHasher
+     */
+    public function getHasher() {
+        return $this->query(IHasher::class);
+    }
+
+    /**
+     * Returns a CredentialsManager instance
+     *
+     * @return ICredentialsManager
+     */
+    public function getCredentialsManager() {
+        return $this->query(ICredentialsManager::class);
+    }
+
+    /**
+     * Get the certificate manager for the user
+     *
+     * @param string $userId (optional) if not specified the current loggedin user is used, use null to get the system certificate manager
+     * @return \OCP\ICertificateManager | null if $uid is null and no user is logged in
+     */
+    public function getCertificateManager($userId = '') {
+        if ($userId === '') {
+            $userSession = $this->getUserSession();
+            $user = $userSession->getUser();
+            if (is_null($user)) {
+                return null;
+            }
+            $userId = $user->getUID();
+        }
+        return new CertificateManager(
+            $userId,
+            new View(),
+            $this->getConfig(),
+            $this->getLogger(),
+            $this->getSecureRandom()
+        );
+    }
+
+    /**
+     * Returns an instance of the HTTP client service
+     *
+     * @return IClientService
+     */
+    public function getHTTPClientService() {
+        return $this->query(IClientService::class);
+    }
+
+    /**
+     * Create a new event source
+     *
+     * @return \OCP\IEventSource
+     */
+    public function createEventSource() {
+        return new \OC_EventSource();
+    }
+
+    /**
+     * Get the active event logger
+     *
+     * The returned logger only logs data when debug mode is enabled
+     *
+     * @return IEventLogger
+     */
+    public function getEventLogger() {
+        return $this->query(IEventLogger::class);
+    }
+
+    /**
+     * Get the active query logger
+     *
+     * The returned logger only logs data when debug mode is enabled
+     *
+     * @return IQueryLogger
+     */
+    public function getQueryLogger() {
+        return $this->query(IQueryLogger::class);
+    }
+
+    /**
+     * Get the manager for temporary files and folders
+     *
+     * @return \OCP\ITempManager
+     */
+    public function getTempManager() {
+        return $this->query(ITempManager::class);
+    }
+
+    /**
+     * Get the app manager
+     *
+     * @return \OCP\App\IAppManager
+     */
+    public function getAppManager() {
+        return $this->query(IAppManager::class);
+    }
+
+    /**
+     * Creates a new mailer
+     *
+     * @return IMailer
+     */
+    public function getMailer() {
+        return $this->query(IMailer::class);
+    }
+
+    /**
+     * Get the webroot
+     *
+     * @return string
+     */
+    public function getWebRoot() {
+        return $this->webRoot;
+    }
+
+    /**
+     * @return \OC\OCSClient
+     */
+    public function getOcsClient() {
+        return $this->query('OcsClient');
+    }
+
+    /**
+     * @return IDateTimeZone
+     */
+    public function getDateTimeZone() {
+        return $this->query(IDateTimeZone::class);
+    }
+
+    /**
+     * @return IDateTimeFormatter
+     */
+    public function getDateTimeFormatter() {
+        return $this->query(IDateTimeFormatter::class);
+    }
+
+    /**
+     * @return IMountProviderCollection
+     */
+    public function getMountProviderCollection() {
+        return $this->query(IMountProviderCollection::class);
+    }
+
+    /**
+     * Get the IniWrapper
+     *
+     * @return IniGetWrapper
+     */
+    public function getIniWrapper() {
+        return $this->query('IniWrapper');
+    }
+
+    /**
+     * @return \OCP\Command\IBus
+     */
+    public function getCommandBus() {
+        return $this->query('AsyncCommandBus');
+    }
+
+    /**
+     * Get the trusted domain helper
+     *
+     * @return TrustedDomainHelper
+     */
+    public function getTrustedDomainHelper() {
+        return $this->query('TrustedDomainHelper');
+    }
+
+    /**
+     * Get the locking provider
+     *
+     * @return ILockingProvider
+     * @since 8.1.0
+     */
+    public function getLockingProvider() {
+        return $this->query(ILockingProvider::class);
+    }
+
+    /**
+     * @return IMountManager
+     **/
+    function getMountManager() {
+        return $this->query(IMountManager::class);
+    }
+
+    /**
+     * @return IUserMountCache
+     */
+    function getUserMountCache() {
+        return $this->query(IUserMountCache::class);
+    }
+
+    /**
+     * Get the MimeTypeDetector
+     *
+     * @return IMimeTypeDetector
+     */
+    public function getMimeTypeDetector() {
+        return $this->query(IMimeTypeDetector::class);
+    }
+
+    /**
+     * Get the MimeTypeLoader
+     *
+     * @return IMimeTypeLoader
+     */
+    public function getMimeTypeLoader() {
+        return $this->query(IMimeTypeLoader::class);
+    }
+
+    /**
+     * Get the manager of all the capabilities
+     *
+     * @return CapabilitiesManager
+     */
+    public function getCapabilitiesManager() {
+        return $this->query(CapabilitiesManager::class);
+    }
+
+    /**
+     * Get the EventDispatcher
+     *
+     * @return EventDispatcherInterface
+     * @since 8.2.0
+     * @deprecated 18.0.0 use \OCP\EventDispatcher\IEventDispatcher
+     */
+    public function getEventDispatcher() {
+        return $this->query(\OC\EventDispatcher\SymfonyAdapter::class);
+    }
+
+    /**
+     * Get the Notification Manager
+     *
+     * @return \OCP\Notification\IManager
+     * @since 8.2.0
+     */
+    public function getNotificationManager() {
+        return $this->query(\OCP\Notification\IManager::class);
+    }
+
+    /**
+     * @return ICommentsManager
+     */
+    public function getCommentsManager() {
+        return $this->query(ICommentsManager::class);
+    }
+
+    /**
+     * @return \OCA\Theming\ThemingDefaults
+     */
+    public function getThemingDefaults() {
+        return $this->query('ThemingDefaults');
+    }
+
+    /**
+     * @return \OC\IntegrityCheck\Checker
+     */
+    public function getIntegrityCodeChecker() {
+        return $this->query('IntegrityCodeChecker');
+    }
+
+    /**
+     * @return \OC\Session\CryptoWrapper
+     */
+    public function getSessionCryptoWrapper() {
+        return $this->query('CryptoWrapper');
+    }
+
+    /**
+     * @return CsrfTokenManager
+     */
+    public function getCsrfTokenManager() {
+        return $this->query(CsrfTokenManager::class);
+    }
+
+    /**
+     * @return Throttler
+     */
+    public function getBruteForceThrottler() {
+        return $this->query(Throttler::class);
+    }
+
+    /**
+     * @return IContentSecurityPolicyManager
+     */
+    public function getContentSecurityPolicyManager() {
+        return $this->query(ContentSecurityPolicyManager::class);
+    }
+
+    /**
+     * @return ContentSecurityPolicyNonceManager
+     */
+    public function getContentSecurityPolicyNonceManager() {
+        return $this->query('ContentSecurityPolicyNonceManager');
+    }
+
+    /**
+     * Not a public API as of 8.2, wait for 9.0
+     *
+     * @return \OCA\Files_External\Service\BackendService
+     */
+    public function getStoragesBackendService() {
+        return $this->query(BackendService::class);
+    }
+
+    /**
+     * Not a public API as of 8.2, wait for 9.0
+     *
+     * @return \OCA\Files_External\Service\GlobalStoragesService
+     */
+    public function getGlobalStoragesService() {
+        return $this->query(GlobalStoragesService::class);
+    }
+
+    /**
+     * Not a public API as of 8.2, wait for 9.0
+     *
+     * @return \OCA\Files_External\Service\UserGlobalStoragesService
+     */
+    public function getUserGlobalStoragesService() {
+        return $this->query(UserGlobalStoragesService::class);
+    }
+
+    /**
+     * Not a public API as of 8.2, wait for 9.0
+     *
+     * @return \OCA\Files_External\Service\UserStoragesService
+     */
+    public function getUserStoragesService() {
+        return $this->query(UserStoragesService::class);
+    }
+
+    /**
+     * @return \OCP\Share\IManager
+     */
+    public function getShareManager() {
+        return $this->query(\OCP\Share\IManager::class);
+    }
+
+    /**
+     * @return \OCP\Collaboration\Collaborators\ISearch
+     */
+    public function getCollaboratorSearch() {
+        return $this->query(\OCP\Collaboration\Collaborators\ISearch::class);
+    }
+
+    /**
+     * @return \OCP\Collaboration\AutoComplete\IManager
+     */
+    public function getAutoCompleteManager() {
+        return $this->query(IManager::class);
+    }
+
+    /**
+     * Returns the LDAP Provider
+     *
+     * @return \OCP\LDAP\ILDAPProvider
+     */
+    public function getLDAPProvider() {
+        return $this->query('LDAPProvider');
+    }
+
+    /**
+     * @return \OCP\Settings\IManager
+     */
+    public function getSettingsManager() {
+        return $this->query('SettingsManager');
+    }
+
+    /**
+     * @return \OCP\Files\IAppData
+     */
+    public function getAppDataDir($app) {
+        /** @var \OC\Files\AppData\Factory $factory */
+        $factory = $this->query(\OC\Files\AppData\Factory::class);
+        return $factory->get($app);
+    }
+
+    /**
+     * @return \OCP\Lockdown\ILockdownManager
+     */
+    public function getLockdownManager() {
+        return $this->query('LockdownManager');
+    }
+
+    /**
+     * @return \OCP\Federation\ICloudIdManager
+     */
+    public function getCloudIdManager() {
+        return $this->query(ICloudIdManager::class);
+    }
+
+    /**
+     * @return \OCP\GlobalScale\IConfig
+     */
+    public function getGlobalScaleConfig() {
+        return $this->query(IConfig::class);
+    }
+
+    /**
+     * @return \OCP\Federation\ICloudFederationProviderManager
+     */
+    public function getCloudFederationProviderManager() {
+        return $this->query(ICloudFederationProviderManager::class);
+    }
+
+    /**
+     * @return \OCP\Remote\Api\IApiFactory
+     */
+    public function getRemoteApiFactory() {
+        return $this->query(IApiFactory::class);
+    }
+
+    /**
+     * @return \OCP\Federation\ICloudFederationFactory
+     */
+    public function getCloudFederationFactory() {
+        return $this->query(ICloudFederationFactory::class);
+    }
+
+    /**
+     * @return \OCP\Remote\IInstanceFactory
+     */
+    public function getRemoteInstanceFactory() {
+        return $this->query(IInstanceFactory::class);
+    }
+
+    /**
+     * @return IStorageFactory
+     */
+    public function getStorageFactory() {
+        return $this->query(IStorageFactory::class);
+    }
+
+    /**
+     * Get the Preview GeneratorHelper
+     *
+     * @return GeneratorHelper
+     * @since 17.0.0
+     */
+    public function getGeneratorHelper() {
+        return $this->query(\OC\Preview\GeneratorHelper::class);
+    }
+
+    private function registerDeprecatedAlias(string $alias, string $target) {
+        $this->registerService($alias, function (IContainer $container) use ($target, $alias) {
+            try {
+                /** @var ILogger $logger */
+                $logger = $container->query(ILogger::class);
+                $logger->debug('The requested alias "' . $alias . '" is depreacted. Please request "' . $target . '" directly. This alias will be removed in a future Nextcloud version.', ['app' => 'serverDI']);
+            } catch (QueryException $e) {
+                // Could not get logger. Continue
+            }
+
+            return $container->query($target);
+        }, false);
+    }
 }

Spacing +124 added lines, -124 removed lines

@@ -256,7 +256,7 @@ 
 		// To find out if we are running from CLI or not
 		$this->registerParameter('isCLI', \OC::$CLI);
 
-		$this->registerService(\OCP\IServerContainer::class, function (IServerContainer $c) {
+		$this->registerService(\OCP\IServerContainer::class, function(IServerContainer $c) {
 			return $c;
 		});
 
@@ -277,7 +277,7 @@ 
 		$this->registerAlias(IActionFactory::class, ActionFactory::class);
 
 
-		$this->registerService(IPreview::class, function (Server $c) {
+		$this->registerService(IPreview::class, function(Server $c) {
 			return new PreviewManager(
 				$c->getConfig(),
 				$c->getRootFolder(),
@@ -289,13 +289,13 @@ 
 		});
 		$this->registerDeprecatedAlias('PreviewManager', IPreview::class);
 
-		$this->registerService(\OC\Preview\Watcher::class, function (Server $c) {
+		$this->registerService(\OC\Preview\Watcher::class, function(Server $c) {
 			return new \OC\Preview\Watcher(
 				$c->getAppDataDir('preview')
 			);
 		});
 
-		$this->registerService(\OCP\Encryption\IManager::class, function (Server $c) {
+		$this->registerService(\OCP\Encryption\IManager::class, function(Server $c) {
 			$view = new View();
 			$util = new Encryption\Util(
 				$view,
@@ -314,7 +314,7 @@ 
 		});
 		$this->registerDeprecatedAlias('EncryptionManager', \OCP\Encryption\IManager::class);
 
-		$this->registerService('EncryptionFileHelper', function (Server $c) {
+		$this->registerService('EncryptionFileHelper', function(Server $c) {
 			$util = new Encryption\Util(
 				new View(),
 				$c->getUserManager(),
@@ -328,7 +328,7 @@ 
 			);
 		});
 
-		$this->registerService('EncryptionKeyStorage', function (Server $c) {
+		$this->registerService('EncryptionKeyStorage', function(Server $c) {
 			$view = new View();
 			$util = new Encryption\Util(
 				$view,
@@ -339,30 +339,30 @@ 
 
 			return new Encryption\Keys\Storage($view, $util);
 		});
-		$this->registerService('TagMapper', function (Server $c) {
+		$this->registerService('TagMapper', function(Server $c) {
 			return new TagMapper($c->getDatabaseConnection());
 		});
 
-		$this->registerService(\OCP\ITagManager::class, function (Server $c) {
+		$this->registerService(\OCP\ITagManager::class, function(Server $c) {
 			$tagMapper = $c->query('TagMapper');
 			return new TagManager($tagMapper, $c->getUserSession());
 		});
 		$this->registerDeprecatedAlias('TagManager', \OCP\ITagManager::class);
 
-		$this->registerService('SystemTagManagerFactory', function (Server $c) {
+		$this->registerService('SystemTagManagerFactory', function(Server $c) {
 			$config = $c->getConfig();
 			$factoryClass = $config->getSystemValue('systemtags.managerFactory', SystemTagManagerFactory::class);
 			return new $factoryClass($this);
 		});
-		$this->registerService(ISystemTagManager::class, function (Server $c) {
+		$this->registerService(ISystemTagManager::class, function(Server $c) {
 			return $c->query('SystemTagManagerFactory')->getManager();
 		});
 		$this->registerDeprecatedAlias('SystemTagManager', ISystemTagManager::class);
 
-		$this->registerService(ISystemTagObjectMapper::class, function (Server $c) {
+		$this->registerService(ISystemTagObjectMapper::class, function(Server $c) {
 			return $c->query('SystemTagManagerFactory')->getObjectMapper();
 		});
-		$this->registerService('RootFolder', function (Server $c) {
+		$this->registerService('RootFolder', function(Server $c) {
 			$manager = \OC\Files\Filesystem::getMountManager(null);
 			$view = new View();
 			$root = new Root(
@@ -383,8 +383,8 @@ 
 		});
 		$this->registerDeprecatedAlias('SystemTagObjectMapper', ISystemTagObjectMapper::class);
 
-		$this->registerService(IRootFolder::class, function (Server $c) {
-			return new LazyRoot(function () use ($c) {
+		$this->registerService(IRootFolder::class, function(Server $c) {
+			return new LazyRoot(function() use ($c) {
 				return $c->query('RootFolder');
 			});
 		});
@@ -393,44 +393,44 @@ 
 		$this->registerDeprecatedAlias('UserManager', \OC\User\Manager::class);
 		$this->registerAlias(\OCP\IUserManager::class, \OC\User\Manager::class);
 
-		$this->registerService(\OCP\IGroupManager::class, function (Server $c) {
+		$this->registerService(\OCP\IGroupManager::class, function(Server $c) {
 			$groupManager = new \OC\Group\Manager($this->getUserManager(), $c->getEventDispatcher(), $this->getLogger());
-			$groupManager->listen('\OC\Group', 'preCreate', function ($gid) {
+			$groupManager->listen('\OC\Group', 'preCreate', function($gid) {
 				\OC_Hook::emit('OC_Group', 'pre_createGroup', ['run' => true, 'gid' => $gid]);
 
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new BeforeGroupCreatedEvent($gid));
 			});
-			$groupManager->listen('\OC\Group', 'postCreate', function (\OC\Group\Group $group) {
+			$groupManager->listen('\OC\Group', 'postCreate', function(\OC\Group\Group $group) {
 				\OC_Hook::emit('OC_User', 'post_createGroup', ['gid' => $group->getGID()]);
 
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new GroupCreatedEvent($group));
 			});
-			$groupManager->listen('\OC\Group', 'preDelete', function (\OC\Group\Group $group) {
+			$groupManager->listen('\OC\Group', 'preDelete', function(\OC\Group\Group $group) {
 				\OC_Hook::emit('OC_Group', 'pre_deleteGroup', ['run' => true, 'gid' => $group->getGID()]);
 
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new BeforeGroupDeletedEvent($group));
 			});
-			$groupManager->listen('\OC\Group', 'postDelete', function (\OC\Group\Group $group) {
+			$groupManager->listen('\OC\Group', 'postDelete', function(\OC\Group\Group $group) {
 				\OC_Hook::emit('OC_User', 'post_deleteGroup', ['gid' => $group->getGID()]);
 
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new GroupDeletedEvent($group));
 			});
-			$groupManager->listen('\OC\Group', 'preAddUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+			$groupManager->listen('\OC\Group', 'preAddUser', function(\OC\Group\Group $group, \OC\User\User $user) {
 				\OC_Hook::emit('OC_Group', 'pre_addToGroup', ['run' => true, 'uid' => $user->getUID(), 'gid' => $group->getGID()]);
 
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new BeforeUserAddedEvent($group, $user));
 			});
-			$groupManager->listen('\OC\Group', 'postAddUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+			$groupManager->listen('\OC\Group', 'postAddUser', function(\OC\Group\Group $group, \OC\User\User $user) {
 				\OC_Hook::emit('OC_Group', 'post_addToGroup', ['uid' => $user->getUID(), 'gid' => $group->getGID()]);
 				//Minimal fix to keep it backward compatible TODO: clean up all the GroupManager hooks
 				\OC_Hook::emit('OC_User', 'post_addToGroup', ['uid' => $user->getUID(), 'gid' => $group->getGID()]);
@@ -439,12 +439,12 @@ 
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new UserAddedEvent($group, $user));
 			});
-			$groupManager->listen('\OC\Group', 'preRemoveUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+			$groupManager->listen('\OC\Group', 'preRemoveUser', function(\OC\Group\Group $group, \OC\User\User $user) {
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new BeforeUserRemovedEvent($group, $user));
 			});
-			$groupManager->listen('\OC\Group', 'postRemoveUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+			$groupManager->listen('\OC\Group', 'postRemoveUser', function(\OC\Group\Group $group, \OC\User\User $user) {
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new UserRemovedEvent($group, $user));
@@ -453,7 +453,7 @@ 
 		});
 		$this->registerDeprecatedAlias('GroupManager', \OCP\IGroupManager::class);
 
-		$this->registerService(Store::class, function (Server $c) {
+		$this->registerService(Store::class, function(Server $c) {
 			$session = $c->getSession();
 			if (\OC::$server->getSystemConfig()->getValue('installed', false)) {
 				$tokenProvider = $c->query(IProvider::class);
@@ -464,13 +464,13 @@ 
 			return new Store($session, $logger, $tokenProvider);
 		});
 		$this->registerAlias(IStore::class, Store::class);
-		$this->registerService(Authentication\Token\DefaultTokenMapper::class, function (Server $c) {
+		$this->registerService(Authentication\Token\DefaultTokenMapper::class, function(Server $c) {
 			$dbConnection = $c->getDatabaseConnection();
 			return new Authentication\Token\DefaultTokenMapper($dbConnection);
 		});
 		$this->registerAlias(IProvider::class, Authentication\Token\Manager::class);
 
-		$this->registerService(\OC\User\Session::class, function (Server $c) {
+		$this->registerService(\OC\User\Session::class, function(Server $c) {
 			$manager = $c->getUserManager();
 			$session = new \OC\Session\Memory('');
 			$timeFactory = new TimeFactory();
@@ -495,14 +495,14 @@ 
 				$c->getLogger(),
 				$c->query(IEventDispatcher::class)
 			);
-			$userSession->listen('\OC\User', 'preCreateUser', function ($uid, $password) {
+			$userSession->listen('\OC\User', 'preCreateUser', function($uid, $password) {
 				\OC_Hook::emit('OC_User', 'pre_createUser', ['run' => true, 'uid' => $uid, 'password' => $password]);
 
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new BeforeUserCreatedEvent($uid, $password));
 			});
-			$userSession->listen('\OC\User', 'postCreateUser', function ($user, $password) {
+			$userSession->listen('\OC\User', 'postCreateUser', function($user, $password) {
 				/** @var $user \OC\User\User */
 				\OC_Hook::emit('OC_User', 'post_createUser', ['uid' => $user->getUID(), 'password' => $password]);
 
@@ -510,7 +510,7 @@ 
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new UserCreatedEvent($user, $password));
 			});
-			$userSession->listen('\OC\User', 'preDelete', function ($user) use ($legacyDispatcher) {
+			$userSession->listen('\OC\User', 'preDelete', function($user) use ($legacyDispatcher) {
 				/** @var $user \OC\User\User */
 				\OC_Hook::emit('OC_User', 'pre_deleteUser', ['run' => true, 'uid' => $user->getUID()]);
 				$legacyDispatcher->dispatch('OCP\IUser::preDelete', new GenericEvent($user));
@@ -519,7 +519,7 @@ 
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new BeforeUserDeletedEvent($user));
 			});
-			$userSession->listen('\OC\User', 'postDelete', function ($user) {
+			$userSession->listen('\OC\User', 'postDelete', function($user) {
 				/** @var $user \OC\User\User */
 				\OC_Hook::emit('OC_User', 'post_deleteUser', ['uid' => $user->getUID()]);
 
@@ -527,7 +527,7 @@ 
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new UserDeletedEvent($user));
 			});
-			$userSession->listen('\OC\User', 'preSetPassword', function ($user, $password, $recoveryPassword) {
+			$userSession->listen('\OC\User', 'preSetPassword', function($user, $password, $recoveryPassword) {
 				/** @var $user \OC\User\User */
 				\OC_Hook::emit('OC_User', 'pre_setPassword', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword]);
 
@@ -535,7 +535,7 @@ 
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new BeforePasswordUpdatedEvent($user, $password, $recoveryPassword));
 			});
-			$userSession->listen('\OC\User', 'postSetPassword', function ($user, $password, $recoveryPassword) {
+			$userSession->listen('\OC\User', 'postSetPassword', function($user, $password, $recoveryPassword) {
 				/** @var $user \OC\User\User */
 				\OC_Hook::emit('OC_User', 'post_setPassword', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword]);
 
@@ -543,14 +543,14 @@ 
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new PasswordUpdatedEvent($user, $password, $recoveryPassword));
 			});
-			$userSession->listen('\OC\User', 'preLogin', function ($uid, $password) {
+			$userSession->listen('\OC\User', 'preLogin', function($uid, $password) {
 				\OC_Hook::emit('OC_User', 'pre_login', ['run' => true, 'uid' => $uid, 'password' => $password]);
 
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new BeforeUserLoggedInEvent($uid, $password));
 			});
-			$userSession->listen('\OC\User', 'postLogin', function ($user, $password, $isTokenLogin) {
+			$userSession->listen('\OC\User', 'postLogin', function($user, $password, $isTokenLogin) {
 				/** @var $user \OC\User\User */
 				\OC_Hook::emit('OC_User', 'post_login', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'isTokenLogin' => $isTokenLogin]);
 
@@ -558,12 +558,12 @@ 
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new UserLoggedInEvent($user, $password, $isTokenLogin));
 			});
-			$userSession->listen('\OC\User', 'preRememberedLogin', function ($uid) {
+			$userSession->listen('\OC\User', 'preRememberedLogin', function($uid) {
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new BeforeUserLoggedInWithCookieEvent($uid));
 			});
-			$userSession->listen('\OC\User', 'postRememberedLogin', function ($user, $password) {
+			$userSession->listen('\OC\User', 'postRememberedLogin', function($user, $password) {
 				/** @var $user \OC\User\User */
 				\OC_Hook::emit('OC_User', 'post_login', ['run' => true, 'uid' => $user->getUID(), 'password' => $password]);
 
@@ -571,19 +571,19 @@ 
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new UserLoggedInWithCookieEvent($user, $password));
 			});
-			$userSession->listen('\OC\User', 'logout', function ($user) {
+			$userSession->listen('\OC\User', 'logout', function($user) {
 				\OC_Hook::emit('OC_User', 'logout', []);
 
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new BeforeUserLoggedOutEvent($user));
 			});
-			$userSession->listen('\OC\User', 'postLogout', function ($user) {
+			$userSession->listen('\OC\User', 'postLogout', function($user) {
 				/** @var IEventDispatcher $dispatcher */
 				$dispatcher = $this->query(IEventDispatcher::class);
 				$dispatcher->dispatchTyped(new UserLoggedOutEvent($user));
 			});
-			$userSession->listen('\OC\User', 'changeUser', function ($user, $feature, $value, $oldValue) {
+			$userSession->listen('\OC\User', 'changeUser', function($user, $feature, $value, $oldValue) {
 				/** @var $user \OC\User\User */
 				\OC_Hook::emit('OC_User', 'changeUser', ['run' => true, 'user' => $user, 'feature' => $feature, 'value' => $value, 'old_value' => $oldValue]);
 
@@ -601,7 +601,7 @@ 
 		$this->registerAlias(INavigationManager::class, \OC\NavigationManager::class);
 		$this->registerDeprecatedAlias('NavigationManager', INavigationManager::class);
 
-		$this->registerService(\OC\AllConfig::class, function (Server $c) {
+		$this->registerService(\OC\AllConfig::class, function(Server $c) {
 			return new \OC\AllConfig(
 				$c->getSystemConfig()
 			);
@@ -609,18 +609,18 @@ 
 		$this->registerDeprecatedAlias('AllConfig', \OC\AllConfig::class);
 		$this->registerAlias(\OCP\IConfig::class, \OC\AllConfig::class);
 
-		$this->registerService(\OC\SystemConfig::class, function ($c) use ($config) {
+		$this->registerService(\OC\SystemConfig::class, function($c) use ($config) {
 			return new \OC\SystemConfig($config);
 		});
 		$this->registerDeprecatedAlias('SystemConfig', \OC\SystemConfig::class);
 
-		$this->registerService(\OC\AppConfig::class, function (Server $c) {
+		$this->registerService(\OC\AppConfig::class, function(Server $c) {
 			return new \OC\AppConfig($c->getDatabaseConnection());
 		});
 		$this->registerDeprecatedAlias('AppConfig', \OC\AppConfig::class);
 		$this->registerAlias(IAppConfig::class, \OC\AppConfig::class);
 
-		$this->registerService(IFactory::class, function (Server $c) {
+		$this->registerService(IFactory::class, function(Server $c) {
 			return new \OC\L10N\Factory(
 				$c->getConfig(),
 				$c->getRequest(),
@@ -630,7 +630,7 @@ 
 		});
 		$this->registerDeprecatedAlias('L10NFactory', IFactory::class);
 
-		$this->registerService(IURLGenerator::class, function (Server $c) {
+		$this->registerService(IURLGenerator::class, function(Server $c) {
 			$config = $c->getConfig();
 			$cacheFactory = $c->getMemCacheFactory();
 			$request = $c->getRequest();
@@ -645,12 +645,12 @@ 
 		$this->registerDeprecatedAlias('AppFetcher', AppFetcher::class);
 		$this->registerDeprecatedAlias('CategoryFetcher', CategoryFetcher::class);
 
-		$this->registerService(ICache::class, function ($c) {
+		$this->registerService(ICache::class, function($c) {
 			return new Cache\File();
 		});
 		$this->registerDeprecatedAlias('UserCache', ICache::class);
 
-		$this->registerService(Factory::class, function (Server $c) {
+		$this->registerService(Factory::class, function(Server $c) {
 
 			$arrayCacheFactory = new \OC\Memcache\Factory('', $c->getLogger(),
 				ArrayCache::class,
@@ -665,7 +665,7 @@ 
 				$version = implode(',', $v);
 				$instanceId = \OC_Util::getInstanceId();
 				$path = \OC::$SERVERROOT;
-				$prefix = md5($instanceId . '-' . $version . '-' . $path);
+				$prefix = md5($instanceId.'-'.$version.'-'.$path);
 				return new \OC\Memcache\Factory($prefix, $c->getLogger(),
 					$config->getSystemValue('memcache.local', null),
 					$config->getSystemValue('memcache.distributed', null),
@@ -678,12 +678,12 @@ 
 		$this->registerDeprecatedAlias('MemCacheFactory', Factory::class);
 		$this->registerAlias(ICacheFactory::class, Factory::class);
 
-		$this->registerService('RedisFactory', function (Server $c) {
+		$this->registerService('RedisFactory', function(Server $c) {
 			$systemConfig = $c->getSystemConfig();
 			return new RedisFactory($systemConfig);
 		});
 
-		$this->registerService(\OCP\Activity\IManager::class, function (Server $c) {
+		$this->registerService(\OCP\Activity\IManager::class, function(Server $c) {
 			return new \OC\Activity\Manager(
 				$c->getRequest(),
 				$c->getUserSession(),
@@ -693,14 +693,14 @@ 
 		});
 		$this->registerDeprecatedAlias('ActivityManager', \OCP\Activity\IManager::class);
 
-		$this->registerService(\OCP\Activity\IEventMerger::class, function (Server $c) {
+		$this->registerService(\OCP\Activity\IEventMerger::class, function(Server $c) {
 			return new \OC\Activity\EventMerger(
 				$c->getL10N('lib')
 			);
 		});
 		$this->registerAlias(IValidator::class, Validator::class);
 
-		$this->registerService(AvatarManager::class, function (Server $c) {
+		$this->registerService(AvatarManager::class, function(Server $c) {
 			return new AvatarManager(
 				$c->query(\OC\User\Manager::class),
 				$c->getAppDataDir('avatar'),
@@ -715,7 +715,7 @@ 
 		$this->registerAlias(\OCP\Support\CrashReport\IRegistry::class, \OC\Support\CrashReport\Registry::class);
 		$this->registerAlias(\OCP\Support\Subscription\IRegistry::class, \OC\Support\Subscription\Registry::class);
 
-		$this->registerService(\OC\Log::class, function (Server $c) {
+		$this->registerService(\OC\Log::class, function(Server $c) {
 			$logType = $c->query(AllConfig::class)->getSystemValue('log_type', 'file');
 			$factory = new LogFactory($c, $this->getSystemConfig());
 			$logger = $factory->get($logType);
@@ -728,11 +728,11 @@ 
 		// PSR-3 logger
 		$this->registerAlias(LoggerInterface::class, PsrLoggerAdapter::class);
 
-		$this->registerService(ILogFactory::class, function (Server $c) {
+		$this->registerService(ILogFactory::class, function(Server $c) {
 			return new LogFactory($c, $this->getSystemConfig());
 		});
 
-		$this->registerService(IJobList::class, function (Server $c) {
+		$this->registerService(IJobList::class, function(Server $c) {
 			$config = $c->getConfig();
 			return new \OC\BackgroundJob\JobList(
 				$c->getDatabaseConnection(),
@@ -742,7 +742,7 @@ 
 		});
 		$this->registerDeprecatedAlias('JobList', IJobList::class);
 
-		$this->registerService(IRouter::class, function (Server $c) {
+		$this->registerService(IRouter::class, function(Server $c) {
 			$cacheFactory = $c->getMemCacheFactory();
 			$logger = $c->getLogger();
 			if ($cacheFactory->isLocalCacheAvailable()) {
@@ -754,39 +754,39 @@ 
 		});
 		$this->registerDeprecatedAlias('Router', IRouter::class);
 
-		$this->registerService(ISearch::class, function ($c) {
+		$this->registerService(ISearch::class, function($c) {
 			return new Search();
 		});
 		$this->registerDeprecatedAlias('Search', ISearch::class);
 
-		$this->registerService(\OC\Security\RateLimiting\Backend\IBackend::class, function ($c) {
+		$this->registerService(\OC\Security\RateLimiting\Backend\IBackend::class, function($c) {
 			return new \OC\Security\RateLimiting\Backend\MemoryCache(
 				$this->getMemCacheFactory(),
 				new \OC\AppFramework\Utility\TimeFactory()
 			);
 		});
 
-		$this->registerService(\OCP\Security\ISecureRandom::class, function ($c) {
+		$this->registerService(\OCP\Security\ISecureRandom::class, function($c) {
 			return new SecureRandom();
 		});
 		$this->registerDeprecatedAlias('SecureRandom', \OCP\Security\ISecureRandom::class);
 
-		$this->registerService(ICrypto::class, function (Server $c) {
+		$this->registerService(ICrypto::class, function(Server $c) {
 			return new Crypto($c->getConfig(), $c->getSecureRandom());
 		});
 		$this->registerDeprecatedAlias('Crypto', ICrypto::class);
 
-		$this->registerService(IHasher::class, function (Server $c) {
+		$this->registerService(IHasher::class, function(Server $c) {
 			return new Hasher($c->getConfig());
 		});
 		$this->registerDeprecatedAlias('Hasher', IHasher::class);
 
-		$this->registerService(ICredentialsManager::class, function (Server $c) {
+		$this->registerService(ICredentialsManager::class, function(Server $c) {
 			return new CredentialsManager($c->getCrypto(), $c->getDatabaseConnection());
 		});
 		$this->registerDeprecatedAlias('CredentialsManager', ICredentialsManager::class);
 
-		$this->registerService(IDBConnection::class, function (Server $c) {
+		$this->registerService(IDBConnection::class, function(Server $c) {
 			$systemConfig = $c->getSystemConfig();
 			$factory = new \OC\DB\ConnectionFactory($systemConfig);
 			$type = $systemConfig->getValue('dbtype', 'sqlite');
@@ -801,7 +801,7 @@ 
 		$this->registerDeprecatedAlias('DatabaseConnection', IDBConnection::class);
 
 
-		$this->registerService(IClientService::class, function (Server $c) {
+		$this->registerService(IClientService::class, function(Server $c) {
 			$user = \OC_User::getUser();
 			$uid = $user ? $user : null;
 			return new ClientService(
@@ -816,7 +816,7 @@ 
 			);
 		});
 		$this->registerDeprecatedAlias('HttpClientService', IClientService::class);
-		$this->registerService(IEventLogger::class, function (Server $c) {
+		$this->registerService(IEventLogger::class, function(Server $c) {
 			$eventLogger = new EventLogger();
 			if ($c->getSystemConfig()->getValue('debug', false)) {
 				// In debug mode, module is being activated by default
@@ -826,7 +826,7 @@ 
 		});
 		$this->registerDeprecatedAlias('EventLogger', IEventLogger::class);
 
-		$this->registerService(IQueryLogger::class, function (Server $c) {
+		$this->registerService(IQueryLogger::class, function(Server $c) {
 			$queryLogger = new QueryLogger();
 			if ($c->getSystemConfig()->getValue('debug', false)) {
 				// In debug mode, module is being activated by default
@@ -836,7 +836,7 @@ 
 		});
 		$this->registerDeprecatedAlias('QueryLogger', IQueryLogger::class);
 
-		$this->registerService(TempManager::class, function (Server $c) {
+		$this->registerService(TempManager::class, function(Server $c) {
 			return new TempManager(
 				$c->getLogger(),
 				$c->getConfig()
@@ -845,7 +845,7 @@ 
 		$this->registerDeprecatedAlias('TempManager', TempManager::class);
 		$this->registerAlias(ITempManager::class, TempManager::class);
 
-		$this->registerService(AppManager::class, function (Server $c) {
+		$this->registerService(AppManager::class, function(Server $c) {
 			return new \OC\App\AppManager(
 				$c->getUserSession(),
 				$c->getConfig(),
@@ -859,7 +859,7 @@ 
 		$this->registerDeprecatedAlias('AppManager', AppManager::class);
 		$this->registerAlias(IAppManager::class, AppManager::class);
 
-		$this->registerService(IDateTimeZone::class, function (Server $c) {
+		$this->registerService(IDateTimeZone::class, function(Server $c) {
 			return new DateTimeZone(
 				$c->getConfig(),
 				$c->getSession()
@@ -867,7 +867,7 @@ 
 		});
 		$this->registerDeprecatedAlias('DateTimeZone', IDateTimeZone::class);
 
-		$this->registerService(IDateTimeFormatter::class, function (Server $c) {
+		$this->registerService(IDateTimeFormatter::class, function(Server $c) {
 			$language = $c->getConfig()->getUserValue($c->getSession()->get('user_id'), 'core', 'lang', null);
 
 			return new DateTimeFormatter(
@@ -877,7 +877,7 @@ 
 		});
 		$this->registerDeprecatedAlias('DateTimeFormatter', IDateTimeFormatter::class);
 
-		$this->registerService(IUserMountCache::class, function (Server $c) {
+		$this->registerService(IUserMountCache::class, function(Server $c) {
 			$mountCache = new UserMountCache($c->getDatabaseConnection(), $c->getUserManager(), $c->getLogger());
 			$listener = new UserMountCacheListener($mountCache);
 			$listener->listen($c->getUserManager());
@@ -885,7 +885,7 @@ 
 		});
 		$this->registerDeprecatedAlias('UserMountCache', IUserMountCache::class);
 
-		$this->registerService(IMountProviderCollection::class, function (Server $c) {
+		$this->registerService(IMountProviderCollection::class, function(Server $c) {
 			$loader = \OC\Files\Filesystem::getLoader();
 			$mountCache = $c->query(IUserMountCache::class);
 			$manager = new \OC\Files\Config\MountProviderCollection($loader, $mountCache);
@@ -901,10 +901,10 @@ 
 		});
 		$this->registerDeprecatedAlias('MountConfigManager', IMountProviderCollection::class);
 
-		$this->registerService('IniWrapper', function ($c) {
+		$this->registerService('IniWrapper', function($c) {
 			return new IniGetWrapper();
 		});
-		$this->registerService('AsyncCommandBus', function (Server $c) {
+		$this->registerService('AsyncCommandBus', function(Server $c) {
 			$busClass = $c->getConfig()->getSystemValue('commandbus');
 			if ($busClass) {
 				list($app, $class) = explode('::', $busClass, 2);
@@ -919,10 +919,10 @@ 
 				return new CronBus($jobList);
 			}
 		});
-		$this->registerService('TrustedDomainHelper', function ($c) {
+		$this->registerService('TrustedDomainHelper', function($c) {
 			return new TrustedDomainHelper($this->getConfig());
 		});
-		$this->registerService(Throttler::class, function (Server $c) {
+		$this->registerService(Throttler::class, function(Server $c) {
 			return new Throttler(
 				$c->getDatabaseConnection(),
 				new TimeFactory(),
@@ -931,7 +931,7 @@ 
 			);
 		});
 		$this->registerDeprecatedAlias('Throttler', Throttler::class);
-		$this->registerService('IntegrityCodeChecker', function (Server $c) {
+		$this->registerService('IntegrityCodeChecker', function(Server $c) {
 			// IConfig and IAppManager requires a working database. This code
 			// might however be called when ownCloud is not yet setup.
 			if (\OC::$server->getSystemConfig()->getValue('installed', false)) {
@@ -953,7 +953,7 @@ 
 				$c->getMimeTypeDetector()
 			);
 		});
-		$this->registerService(\OCP\IRequest::class, function ($c) {
+		$this->registerService(\OCP\IRequest::class, function($c) {
 			if (isset($this['urlParams'])) {
 				$urlParams = $this['urlParams'];
 			} else {
@@ -989,7 +989,7 @@ 
 		});
 		$this->registerDeprecatedAlias('Request', \OCP\IRequest::class);
 
-		$this->registerService(IMailer::class, function (Server $c) {
+		$this->registerService(IMailer::class, function(Server $c) {
 			return new Mailer(
 				$c->getConfig(),
 				$c->getLogger(),
@@ -1001,7 +1001,7 @@ 
 		});
 		$this->registerDeprecatedAlias('Mailer', IMailer::class);
 
-		$this->registerService('LDAPProvider', function (Server $c) {
+		$this->registerService('LDAPProvider', function(Server $c) {
 			$config = $c->getConfig();
 			$factoryClass = $config->getSystemValue('ldapProviderFactory', null);
 			if (is_null($factoryClass)) {
@@ -1011,7 +1011,7 @@ 
 			$factory = new $factoryClass($this);
 			return $factory->getLDAPProvider();
 		});
-		$this->registerService(ILockingProvider::class, function (Server $c) {
+		$this->registerService(ILockingProvider::class, function(Server $c) {
 			$ini = $c->getIniWrapper();
 			$config = $c->getConfig();
 			$ttl = $config->getSystemValue('filelocking.ttl', max(3600, $ini->getNumeric('max_execution_time')));
@@ -1034,31 +1034,31 @@ 
 		});
 		$this->registerDeprecatedAlias('LockingProvider', ILockingProvider::class);
 
-		$this->registerService(IMountManager::class, function () {
+		$this->registerService(IMountManager::class, function() {
 			return new \OC\Files\Mount\Manager();
 		});
 		$this->registerDeprecatedAlias('MountManager', IMountManager::class);
 
-		$this->registerService(IMimeTypeDetector::class, function (Server $c) {
+		$this->registerService(IMimeTypeDetector::class, function(Server $c) {
 			return new \OC\Files\Type\Detection(
 				$c->getURLGenerator(),
 				$c->getLogger(),
 				\OC::$configDir,
-				\OC::$SERVERROOT . '/resources/config/'
+				\OC::$SERVERROOT.'/resources/config/'
 			);
 		});
 		$this->registerDeprecatedAlias('MimeTypeDetector', IMimeTypeDetector::class);
 
-		$this->registerService(IMimeTypeLoader::class, function (Server $c) {
+		$this->registerService(IMimeTypeLoader::class, function(Server $c) {
 			return new \OC\Files\Type\Loader(
 				$c->getDatabaseConnection()
 			);
 		});
 		$this->registerDeprecatedAlias('MimeTypeLoader', IMimeTypeLoader::class);
-		$this->registerService(BundleFetcher::class, function () {
+		$this->registerService(BundleFetcher::class, function() {
 			return new BundleFetcher($this->getL10N('lib'));
 		});
-		$this->registerService(\OCP\Notification\IManager::class, function (Server $c) {
+		$this->registerService(\OCP\Notification\IManager::class, function(Server $c) {
 			return new Manager(
 				$c->query(IValidator::class),
 				$c->getLogger()
@@ -1066,29 +1066,29 @@ 
 		});
 		$this->registerDeprecatedAlias('NotificationManager', \OCP\Notification\IManager::class);
 
-		$this->registerService(CapabilitiesManager::class, function (Server $c) {
+		$this->registerService(CapabilitiesManager::class, function(Server $c) {
 			$manager = new CapabilitiesManager($c->getLogger());
-			$manager->registerCapability(function () use ($c) {
+			$manager->registerCapability(function() use ($c) {
 				return new \OC\OCS\CoreCapabilities($c->getConfig());
 			});
-			$manager->registerCapability(function () use ($c) {
+			$manager->registerCapability(function() use ($c) {
 				return $c->query(\OC\Security\Bruteforce\Capabilities::class);
 			});
 			return $manager;
 		});
 		$this->registerDeprecatedAlias('CapabilitiesManager', CapabilitiesManager::class);
 
-		$this->registerService(ICommentsManager::class, function (Server $c) {
+		$this->registerService(ICommentsManager::class, function(Server $c) {
 			$config = $c->getConfig();
 			$factoryClass = $config->getSystemValue('comments.managerFactory', CommentsManagerFactory::class);
 			/** @var \OCP\Comments\ICommentsManagerFactory $factory */
 			$factory = new $factoryClass($this);
 			$manager = $factory->getManager();
 
-			$manager->registerDisplayNameResolver('user', function ($id) use ($c) {
+			$manager->registerDisplayNameResolver('user', function($id) use ($c) {
 				$manager = $c->getUserManager();
 				$user = $manager->get($id);
-				if(is_null($user)) {
+				if (is_null($user)) {
 					$l = $c->getL10N('core');
 					$displayName = $l->t('Unknown user');
 				} else {
@@ -1101,7 +1101,7 @@ 
 		});
 		$this->registerDeprecatedAlias('CommentsManager', ICommentsManager::class);
 
-		$this->registerService('ThemingDefaults', function (Server $c) {
+		$this->registerService('ThemingDefaults', function(Server $c) {
 			/*
 			 * Dark magic for autoloader.
 			 * If we do a class_exists it will try to load the class which will
@@ -1129,7 +1129,7 @@ 
 			}
 			return new \OC_Defaults();
 		});
-		$this->registerService(SCSSCacher::class, function (Server $c) {
+		$this->registerService(SCSSCacher::class, function(Server $c) {
 			return new SCSSCacher(
 				$c->getLogger(),
 				$c->query(\OC\Files\AppData\Factory::class),
@@ -1142,7 +1142,7 @@ 
 				new TimeFactory()
 			);
 		});
-		$this->registerService(JSCombiner::class, function (Server $c) {
+		$this->registerService(JSCombiner::class, function(Server $c) {
 			return new JSCombiner(
 				$c->getAppDataDir('js'),
 				$c->getURLGenerator(),
@@ -1155,7 +1155,7 @@ 
 		$this->registerDeprecatedAlias('EventDispatcher', \OC\EventDispatcher\SymfonyAdapter::class);
 		$this->registerAlias(EventDispatcherInterface::class, \OC\EventDispatcher\SymfonyAdapter::class);
 
-		$this->registerService('CryptoWrapper', function (Server $c) {
+		$this->registerService('CryptoWrapper', function(Server $c) {
 			// FIXME: Instantiiated here due to cyclic dependency
 			$request = new Request(
 				[
@@ -1180,7 +1180,7 @@ 
 				$request
 			);
 		});
-		$this->registerService(CsrfTokenManager::class, function (Server $c) {
+		$this->registerService(CsrfTokenManager::class, function(Server $c) {
 			$tokenGenerator = new CsrfTokenGenerator($c->getSecureRandom());
 
 			return new CsrfTokenManager(
@@ -1189,20 +1189,20 @@ 
 			);
 		});
 		$this->registerDeprecatedAlias('CsrfTokenManager', CsrfTokenManager::class);
-		$this->registerService(SessionStorage::class, function (Server $c) {
+		$this->registerService(SessionStorage::class, function(Server $c) {
 			return new SessionStorage($c->getSession());
 		});
 		$this->registerAlias(\OCP\Security\IContentSecurityPolicyManager::class, ContentSecurityPolicyManager::class);
 		$this->registerDeprecatedAlias('ContentSecurityPolicyManager', ContentSecurityPolicyManager::class);
 
-		$this->registerService('ContentSecurityPolicyNonceManager', function (Server $c) {
+		$this->registerService('ContentSecurityPolicyNonceManager', function(Server $c) {
 			return new ContentSecurityPolicyNonceManager(
 				$c->getCsrfTokenManager(),
 				$c->getRequest()
 			);
 		});
 
-		$this->registerService(\OCP\Share\IManager::class, function (Server $c) {
+		$this->registerService(\OCP\Share\IManager::class, function(Server $c) {
 			$config = $c->getConfig();
 			$factoryClass = $config->getSystemValue('sharing.managerFactory', ProviderFactory::class);
 			/** @var \OCP\Share\IProviderFactory $factory */
@@ -1231,7 +1231,7 @@ 
 		});
 		$this->registerDeprecatedAlias('ShareManager', \OCP\Share\IManager::class);
 
-		$this->registerService(\OCP\Collaboration\Collaborators\ISearch::class, function (Server $c) {
+		$this->registerService(\OCP\Collaboration\Collaborators\ISearch::class, function(Server $c) {
 			$instance = new Collaboration\Collaborators\Search($c);
 
 			// register default plugins
@@ -1251,7 +1251,7 @@ 
 		$this->registerAlias(\OCP\Collaboration\Resources\IProviderManager::class, \OC\Collaboration\Resources\ProviderManager::class);
 		$this->registerAlias(\OCP\Collaboration\Resources\IManager::class, \OC\Collaboration\Resources\Manager::class);
 
-		$this->registerService('SettingsManager', function (Server $c) {
+		$this->registerService('SettingsManager', function(Server $c) {
 			$manager = new \OC\Settings\Manager(
 				$c->getLogger(),
 				$c->getL10NFactory(),
@@ -1260,36 +1260,36 @@ 
 			);
 			return $manager;
 		});
-		$this->registerService(\OC\Files\AppData\Factory::class, function (Server $c) {
+		$this->registerService(\OC\Files\AppData\Factory::class, function(Server $c) {
 			return new \OC\Files\AppData\Factory(
 				$c->getRootFolder(),
 				$c->getSystemConfig()
 			);
 		});
 
-		$this->registerService('LockdownManager', function (Server $c) {
-			return new LockdownManager(function () use ($c) {
+		$this->registerService('LockdownManager', function(Server $c) {
+			return new LockdownManager(function() use ($c) {
 				return $c->getSession();
 			});
 		});
 
-		$this->registerService(\OCP\OCS\IDiscoveryService::class, function (Server $c) {
+		$this->registerService(\OCP\OCS\IDiscoveryService::class, function(Server $c) {
 			return new DiscoveryService($c->getMemCacheFactory(), $c->getHTTPClientService());
 		});
 
-		$this->registerService(ICloudIdManager::class, function (Server $c) {
+		$this->registerService(ICloudIdManager::class, function(Server $c) {
 			return new CloudIdManager();
 		});
 
-		$this->registerService(IConfig::class, function (Server $c) {
+		$this->registerService(IConfig::class, function(Server $c) {
 			return new GlobalScale\Config($c->getConfig());
 		});
 
-		$this->registerService(ICloudFederationProviderManager::class, function (Server $c) {
+		$this->registerService(ICloudFederationProviderManager::class, function(Server $c) {
 			return new CloudFederationProviderManager($c->getAppManager(), $c->getHTTPClientService(), $c->getCloudIdManager(), $c->getLogger());
 		});
 
-		$this->registerService(ICloudFederationFactory::class, function (Server $c) {
+		$this->registerService(ICloudFederationFactory::class, function(Server $c) {
 			return new CloudFederationFactory();
 		});
 
@@ -1299,24 +1299,24 @@ 
 		$this->registerAlias(\OCP\AppFramework\Utility\ITimeFactory::class, \OC\AppFramework\Utility\TimeFactory::class);
 		$this->registerDeprecatedAlias('TimeFactory', \OCP\AppFramework\Utility\ITimeFactory::class);
 
-		$this->registerService(Defaults::class, function (Server $c) {
+		$this->registerService(Defaults::class, function(Server $c) {
 			return new Defaults(
 				$c->getThemingDefaults()
 			);
 		});
 		$this->registerDeprecatedAlias('Defaults', \OCP\Defaults::class);
 
-		$this->registerService(\OCP\ISession::class, function (SimpleContainer $c) {
+		$this->registerService(\OCP\ISession::class, function(SimpleContainer $c) {
 			return $c->query(\OCP\IUserSession::class)->getSession();
 		});
 
-		$this->registerService(IShareHelper::class, function (Server $c) {
+		$this->registerService(IShareHelper::class, function(Server $c) {
 			return new ShareHelper(
 				$c->query(\OCP\Share\IManager::class)
 			);
 		});
 
-		$this->registerService(Installer::class, function (Server $c) {
+		$this->registerService(Installer::class, function(Server $c) {
 			return new Installer(
 				$c->getAppFetcher(),
 				$c->getHTTPClientService(),
@@ -1327,16 +1327,16 @@ 
 			);
 		});
 
-		$this->registerService(IApiFactory::class, function (Server $c) {
+		$this->registerService(IApiFactory::class, function(Server $c) {
 			return new ApiFactory($c->getHTTPClientService());
 		});
 
-		$this->registerService(IInstanceFactory::class, function (Server $c) {
+		$this->registerService(IInstanceFactory::class, function(Server $c) {
 			$memcacheFactory = $c->getMemCacheFactory();
 			return new InstanceFactory($memcacheFactory->createLocal('remoteinstance.'), $c->getHTTPClientService());
 		});
 
-		$this->registerService(IContactsStore::class, function (Server $c) {
+		$this->registerService(IContactsStore::class, function(Server $c) {
 			return new ContactsStore(
 				$c->getContactsManager(),
 				$c->getConfig(),
@@ -1347,7 +1347,7 @@ 
 		$this->registerAlias(IContactsStore::class, ContactsStore::class);
 		$this->registerAlias(IAccountManager::class, AccountManager::class);
 
-		$this->registerService(IStorageFactory::class, function () {
+		$this->registerService(IStorageFactory::class, function() {
 			return new StorageFactory();
 		});
 
@@ -1386,7 +1386,7 @@ 
 		$dispatcher = $this->getEventDispatcher();
 
 		// Delete avatar on user deletion
-		$dispatcher->addListener('OCP\IUser::preDelete', function (GenericEvent $e) {
+		$dispatcher->addListener('OCP\IUser::preDelete', function(GenericEvent $e) {
 			$logger = $this->getLogger();
 			$manager = $this->getAvatarManager();
 			/** @var IUser $user */
@@ -1399,11 +1399,11 @@ 
 				// no avatar to remove
 			} catch (\Exception $e) {
 				// Ignore exceptions
-				$logger->info('Could not cleanup avatar of ' . $user->getUID());
+				$logger->info('Could not cleanup avatar of '.$user->getUID());
 			}
 		});
 
-		$dispatcher->addListener('OCP\IUser::changeUser', function (GenericEvent $e) {
+		$dispatcher->addListener('OCP\IUser::changeUser', function(GenericEvent $e) {
 			$manager = $this->getAvatarManager();
 			/** @var IUser $user */
 			$user = $e->getSubject();
@@ -1563,7 +1563,7 @@ 
 	 * @deprecated since 9.2.0 use IAppData
 	 */
 	public function getAppFolder() {
-		$dir = '/' . \OC_App::getCurrentApp();
+		$dir = '/'.\OC_App::getCurrentApp();
 		$root = $this->getRootFolder();
 		if (!$root->nodeExists($dir)) {
 			$folder = $root->newFolder($dir);
@@ -2237,11 +2237,11 @@ 
 	}
 
 	private function registerDeprecatedAlias(string $alias, string $target) {
-		$this->registerService($alias, function (IContainer $container) use ($target, $alias) {
+		$this->registerService($alias, function(IContainer $container) use ($target, $alias) {
 			try {
 				/** @var ILogger $logger */
 				$logger = $container->query(ILogger::class);
-				$logger->debug('The requested alias "' . $alias . '" is depreacted. Please request "' . $target . '" directly. This alias will be removed in a future Nextcloud version.', ['app' => 'serverDI']);
+				$logger->debug('The requested alias "'.$alias.'" is depreacted. Please request "'.$target.'" directly. This alias will be removed in a future Nextcloud version.', ['app' => 'serverDI']);
 			} catch (QueryException $e) {
 				// Could not get logger. Continue
 			}

lib/private/Streamer.php

Indentation +133 added lines, -133 removed lines

@@ -38,148 +38,148 @@
 use ZipStreamer\ZipStreamer;
 
 class Streamer {
-	// array of regexp. Matching user agents will get tar instead of zip
-	private $preferTarFor = [ '/macintosh|mac os x/i' ];
+    // array of regexp. Matching user agents will get tar instead of zip
+    private $preferTarFor = [ '/macintosh|mac os x/i' ];
 
-	// streamer instance
-	private $streamerInstance;
+    // streamer instance
+    private $streamerInstance;
 
-	/**
-	 * Streamer constructor.
-	 *
-	 * @param IRequest $request
-	 * @param int $size The size of the files in bytes
-	 * @param int $numberOfFiles The number of files (and directories) that will
-	 *        be included in the streamed file
-	 */
-	public function __construct(IRequest $request, int $size, int $numberOfFiles) {
+    /**
+     * Streamer constructor.
+     *
+     * @param IRequest $request
+     * @param int $size The size of the files in bytes
+     * @param int $numberOfFiles The number of files (and directories) that will
+     *        be included in the streamed file
+     */
+    public function __construct(IRequest $request, int $size, int $numberOfFiles) {
 
-		/**
-		 * zip32 constraints for a basic (without compression, volumes nor
-		 * encryption) zip file according to the Zip specification:
-		 * - No file size is larger than 4 bytes (file size < 4294967296); see
-		 *   4.4.9 uncompressed size
-		 * - The size of all files plus their local headers is not larger than
-		 *   4 bytes; see 4.4.16 relative offset of local header and 4.4.24
-		 *   offset of start of central directory with respect to the starting
-		 *   disk number
-		 * - The total number of entries (files and directories) in the zip file
-		 *   is not larger than 2 bytes (number of entries < 65536); see 4.4.22
-		 *   total number of entries in the central dir
-		 * - The size of the central directory is not larger than 4 bytes; see
-		 *   4.4.23 size of the central directory
-		 *
-		 * Due to all that, zip32 is used if the size is below 4GB and there are
-		 * less than 65536 files; the margin between 4*1000^3 and 4*1024^3
-		 * should give enough room for the extra zip metadata. Technically, it
-		 * would still be possible to create an invalid zip32 file (for example,
-		 * a zip file from files smaller than 4GB with a central directory
-		 * larger than 4GiB), but it should not happen in the real world.
-		 */
-		if ($size < 4 * 1000 * 1000 * 1000 && $numberOfFiles < 65536) {
-			$this->streamerInstance = new ZipStreamer(['zip64' => false]);
-		} else if ($request->isUserAgent($this->preferTarFor)) {
-			$this->streamerInstance = new TarStreamer();
-		} else {
-			$this->streamerInstance = new ZipStreamer(['zip64' => PHP_INT_SIZE !== 4]);
-		}
-	}
+        /**
+         * zip32 constraints for a basic (without compression, volumes nor
+         * encryption) zip file according to the Zip specification:
+         * - No file size is larger than 4 bytes (file size < 4294967296); see
+         *   4.4.9 uncompressed size
+         * - The size of all files plus their local headers is not larger than
+         *   4 bytes; see 4.4.16 relative offset of local header and 4.4.24
+         *   offset of start of central directory with respect to the starting
+         *   disk number
+         * - The total number of entries (files and directories) in the zip file
+         *   is not larger than 2 bytes (number of entries < 65536); see 4.4.22
+         *   total number of entries in the central dir
+         * - The size of the central directory is not larger than 4 bytes; see
+         *   4.4.23 size of the central directory
+         *
+         * Due to all that, zip32 is used if the size is below 4GB and there are
+         * less than 65536 files; the margin between 4*1000^3 and 4*1024^3
+         * should give enough room for the extra zip metadata. Technically, it
+         * would still be possible to create an invalid zip32 file (for example,
+         * a zip file from files smaller than 4GB with a central directory
+         * larger than 4GiB), but it should not happen in the real world.
+         */
+        if ($size < 4 * 1000 * 1000 * 1000 && $numberOfFiles < 65536) {
+            $this->streamerInstance = new ZipStreamer(['zip64' => false]);
+        } else if ($request->isUserAgent($this->preferTarFor)) {
+            $this->streamerInstance = new TarStreamer();
+        } else {
+            $this->streamerInstance = new ZipStreamer(['zip64' => PHP_INT_SIZE !== 4]);
+        }
+    }
 
-	/**
-	 * Send HTTP headers
-	 * @param string $name
-	 */
-	public function sendHeaders($name) {
-		$extension = $this->streamerInstance instanceof ZipStreamer ? '.zip' : '.tar';
-		$fullName = $name . $extension;
-		$this->streamerInstance->sendHeaders($fullName);
-	}
+    /**
+     * Send HTTP headers
+     * @param string $name
+     */
+    public function sendHeaders($name) {
+        $extension = $this->streamerInstance instanceof ZipStreamer ? '.zip' : '.tar';
+        $fullName = $name . $extension;
+        $this->streamerInstance->sendHeaders($fullName);
+    }
 
-	/**
-	 * Stream directory recursively
-	 *
-	 * @throws NotFoundException
-	 * @throws NotPermittedException
-	 * @throws InvalidPathException
-	 */
-	public function addDirRecursive(string $dir, string $internalDir = ''): void {
-		$dirname = basename($dir);
-		$rootDir = $internalDir . $dirname;
-		if (!empty($rootDir)) {
-			$this->streamerInstance->addEmptyDir($rootDir);
-		}
-		$internalDir .= $dirname . '/';
-		// prevent absolute dirs
-		$internalDir = ltrim($internalDir, '/');
+    /**
+     * Stream directory recursively
+     *
+     * @throws NotFoundException
+     * @throws NotPermittedException
+     * @throws InvalidPathException
+     */
+    public function addDirRecursive(string $dir, string $internalDir = ''): void {
+        $dirname = basename($dir);
+        $rootDir = $internalDir . $dirname;
+        if (!empty($rootDir)) {
+            $this->streamerInstance->addEmptyDir($rootDir);
+        }
+        $internalDir .= $dirname . '/';
+        // prevent absolute dirs
+        $internalDir = ltrim($internalDir, '/');
 
-		$userFolder = \OC::$server->getRootFolder()->get(Filesystem::getRoot());
-		/** @var Folder $dirNode */
-		$dirNode = $userFolder->get($dir);
-		$files = $dirNode->getDirectoryListing();
+        $userFolder = \OC::$server->getRootFolder()->get(Filesystem::getRoot());
+        /** @var Folder $dirNode */
+        $dirNode = $userFolder->get($dir);
+        $files = $dirNode->getDirectoryListing();
 
-		foreach($files as $file) {
-			if($file instanceof File) {
-				try {
-					$fh = $file->fopen('r');
-				} catch (NotPermittedException $e) {
-					continue;
-				}
-				$this->addFileFromStream(
-					$fh,
-					$internalDir . $file->getName(),
-					$file->getSize(),
-					$file->getMTime()
-				);
-				fclose($fh);
-			} elseif ($file instanceof Folder) {
-				if($file->isReadable()) {
-					$this->addDirRecursive($dir . '/' . $file->getName(), $internalDir);
-				}
-			}
-		}
-	}
+        foreach($files as $file) {
+            if($file instanceof File) {
+                try {
+                    $fh = $file->fopen('r');
+                } catch (NotPermittedException $e) {
+                    continue;
+                }
+                $this->addFileFromStream(
+                    $fh,
+                    $internalDir . $file->getName(),
+                    $file->getSize(),
+                    $file->getMTime()
+                );
+                fclose($fh);
+            } elseif ($file instanceof Folder) {
+                if($file->isReadable()) {
+                    $this->addDirRecursive($dir . '/' . $file->getName(), $internalDir);
+                }
+            }
+        }
+    }
 
-	/**
-	 * Add a file to the archive at the specified location and file name.
-	 *
-	 * @param string $stream Stream to read data from
-	 * @param string $internalName Filepath and name to be used in the archive.
-	 * @param int $size Filesize
-	 * @param int|bool $time File mtime as int, or false
-	 * @return bool $success
-	 */
-	public function addFileFromStream($stream, $internalName, $size, $time) {
-		$options = [];
-		if ($time) {
-			$options = [
-				'timestamp' => $time
-			];
-		}
+    /**
+     * Add a file to the archive at the specified location and file name.
+     *
+     * @param string $stream Stream to read data from
+     * @param string $internalName Filepath and name to be used in the archive.
+     * @param int $size Filesize
+     * @param int|bool $time File mtime as int, or false
+     * @return bool $success
+     */
+    public function addFileFromStream($stream, $internalName, $size, $time) {
+        $options = [];
+        if ($time) {
+            $options = [
+                'timestamp' => $time
+            ];
+        }
 
-		if ($this->streamerInstance instanceof ZipStreamer) {
-			return $this->streamerInstance->addFileFromStream($stream, $internalName, $options);
-		} else {
-			return $this->streamerInstance->addFileFromStream($stream, $internalName, $size, $options);
-		}
-	}
+        if ($this->streamerInstance instanceof ZipStreamer) {
+            return $this->streamerInstance->addFileFromStream($stream, $internalName, $options);
+        } else {
+            return $this->streamerInstance->addFileFromStream($stream, $internalName, $size, $options);
+        }
+    }
 
-	/**
-	 * Add an empty directory entry to the archive.
-	 *
-	 * @param string $dirName Directory Path and name to be added to the archive.
-	 * @return bool $success
-	 */
-	public function addEmptyDir($dirName) {
-		return $this->streamerInstance->addEmptyDir($dirName);
-	}
+    /**
+     * Add an empty directory entry to the archive.
+     *
+     * @param string $dirName Directory Path and name to be added to the archive.
+     * @return bool $success
+     */
+    public function addEmptyDir($dirName) {
+        return $this->streamerInstance->addEmptyDir($dirName);
+    }
 
-	/**
-	 * Close the archive.
-	 * A closed archive can no longer have new files added to it. After
-	 * closing, the file is completely written to the output stream.
-	 * @return bool $success
-	 */
-	public function finalize() {
-		return $this->streamerInstance->finalize();
-	}
+    /**
+     * Close the archive.
+     * A closed archive can no longer have new files added to it. After
+     * closing, the file is completely written to the output stream.
+     * @return bool $success
+     */
+    public function finalize() {
+        return $this->streamerInstance->finalize();
+    }
 }

Spacing +9 added lines, -9 removed lines

@@ -39,7 +39,7 @@ 
 
 class Streamer {
 	// array of regexp. Matching user agents will get tar instead of zip
-	private $preferTarFor = [ '/macintosh|mac os x/i' ];
+	private $preferTarFor = ['/macintosh|mac os x/i'];
 
 	// streamer instance
 	private $streamerInstance;
@@ -91,7 +91,7 @@ 
 	 */
 	public function sendHeaders($name) {
 		$extension = $this->streamerInstance instanceof ZipStreamer ? '.zip' : '.tar';
-		$fullName = $name . $extension;
+		$fullName = $name.$extension;
 		$this->streamerInstance->sendHeaders($fullName);
 	}
 
@@ -104,11 +104,11 @@ 
 	 */
 	public function addDirRecursive(string $dir, string $internalDir = ''): void {
 		$dirname = basename($dir);
-		$rootDir = $internalDir . $dirname;
+		$rootDir = $internalDir.$dirname;
 		if (!empty($rootDir)) {
 			$this->streamerInstance->addEmptyDir($rootDir);
 		}
-		$internalDir .= $dirname . '/';
+		$internalDir .= $dirname.'/';
 		// prevent absolute dirs
 		$internalDir = ltrim($internalDir, '/');
 
@@ -117,8 +117,8 @@ 
 		$dirNode = $userFolder->get($dir);
 		$files = $dirNode->getDirectoryListing();
 
-		foreach($files as $file) {
-			if($file instanceof File) {
+		foreach ($files as $file) {
+			if ($file instanceof File) {
 				try {
 					$fh = $file->fopen('r');
 				} catch (NotPermittedException $e) {
@@ -126,14 +126,14 @@ 
 				}
 				$this->addFileFromStream(
 					$fh,
-					$internalDir . $file->getName(),
+					$internalDir.$file->getName(),
 					$file->getSize(),
 					$file->getMTime()
 				);
 				fclose($fh);
 			} elseif ($file instanceof Folder) {
-				if($file->isReadable()) {
-					$this->addDirRecursive($dir . '/' . $file->getName(), $internalDir);
+				if ($file->isReadable()) {
+					$this->addDirRecursive($dir.'/'.$file->getName(), $internalDir);
 				}
 			}
 		}

lib/private/AppFramework/DependencyInjection/DIContainer.php

Indentation +350 added lines, -350 removed lines

@@ -69,354 +69,354 @@
 
 class DIContainer extends SimpleContainer implements IAppContainer {
 
-	/**
-	 * @var array
-	 */
-	private $middleWares = [];
-
-	/** @var ServerContainer */
-	private $server;
-
-	/**
-	 * Put your class dependencies in here
-	 * @param string $appName the name of the app
-	 * @param array $urlParams
-	 * @param ServerContainer|null $server
-	 */
-	public function __construct($appName, $urlParams = [], ServerContainer $server = null) {
-		parent::__construct();
-		$this['AppName'] = $appName;
-		$this['urlParams'] = $urlParams;
-
-		$this->registerAlias('Request', IRequest::class);
-
-		/** @var \OC\ServerContainer $server */
-		if ($server === null) {
-			$server = \OC::$server;
-		}
-		$this->server = $server;
-		$this->server->registerAppContainer($appName, $this);
-
-		// aliases
-		$this->registerAlias('appName', 'AppName');
-		$this->registerAlias('webRoot', 'WebRoot');
-		$this->registerAlias('userId', 'UserId');
-
-		/**
-		 * Core services
-		 */
-		$this->registerService(IOutput::class, function () {
-			return new Output($this->getServer()->getWebRoot());
-		});
-
-		$this->registerService(Folder::class, function () {
-			return $this->getServer()->getUserFolder();
-		});
-
-		$this->registerService(IAppData::class, function (SimpleContainer $c) {
-			return $this->getServer()->getAppDataDir($c->query('AppName'));
-		});
-
-		$this->registerService(IL10N::class, function ($c) {
-			return $this->getServer()->getL10N($c->query('AppName'));
-		});
-
-		// Log wrapper
-		$this->registerService(ILogger::class, function ($c) {
-			return new OC\AppFramework\Logger($this->server->query(ILogger::class), $c->query('AppName'));
-		});
-
-		$this->registerService(IServerContainer::class, function () {
-			return $this->getServer();
-		});
-		$this->registerAlias('ServerContainer', IServerContainer::class);
-
-		$this->registerService(\OCP\WorkflowEngine\IManager::class, function ($c) {
-			return $c->query(Manager::class);
-		});
-
-		$this->registerService(\OCP\AppFramework\IAppContainer::class, function ($c) {
-			return $c;
-		});
-
-		// commonly used attributes
-		$this->registerService('UserId', function ($c) {
-			return $c->query(IUserSession::class)->getSession()->get('user_id');
-		});
-
-		$this->registerService('WebRoot', function ($c) {
-			return $c->query('ServerContainer')->getWebRoot();
-		});
-
-		$this->registerService('OC_Defaults', function ($c) {
-			return $c->getServer()->getThemingDefaults();
-		});
-
-		$this->registerService(IConfig::class, function ($c) {
-			return $c->query(OC\GlobalScale\Config::class);
-		});
-
-		$this->registerService('Protocol', function ($c) {
-			/** @var \OC\Server $server */
-			$server = $c->query('ServerContainer');
-			$protocol = $server->getRequest()->getHttpProtocol();
-			return new Http($_SERVER, $protocol);
-		});
-
-		$this->registerService('Dispatcher', function ($c) {
-			return new Dispatcher(
-				$c['Protocol'],
-				$c['MiddlewareDispatcher'],
-				$c->query(IControllerMethodReflector::class),
-				$c['Request']
-			);
-		});
-
-		/**
-		 * App Framework default arguments
-		 */
-		$this->registerParameter('corsMethods', 'PUT, POST, GET, DELETE, PATCH');
-		$this->registerParameter('corsAllowedHeaders', 'Authorization, Content-Type, Accept');
-		$this->registerParameter('corsMaxAge', 1728000);
-
-		/**
-		 * Middleware
-		 */
-		$this->registerService('MiddlewareDispatcher', function (SimpleContainer $c) {
-			$server =  $this->getServer();
-
-			$dispatcher = new MiddlewareDispatcher();
-			$dispatcher->registerMiddleware(
-				$c->query(OC\AppFramework\Middleware\Security\ReloadExecutionMiddleware::class)
-			);
-
-			$dispatcher->registerMiddleware(
-				new OC\AppFramework\Middleware\Security\SameSiteCookieMiddleware(
-					$c->query(IRequest::class),
-					$c->query(IControllerMethodReflector::class)
-				)
-			);
-			$dispatcher->registerMiddleware(
-				new CORSMiddleware(
-					$c->query(IRequest::class),
-					$c->query(IControllerMethodReflector::class),
-					$c->query(IUserSession::class),
-					$c->query(OC\Security\Bruteforce\Throttler::class)
-				)
-			);
-			$dispatcher->registerMiddleware(
-				new OCSMiddleware(
-					$c->query(IRequest::class)
-				)
-			);
-
-			$securityMiddleware = new SecurityMiddleware(
-				$c->query(IRequest::class),
-				$c->query(IControllerMethodReflector::class),
-				$c->query(INavigationManager::class),
-				$c->query(IURLGenerator::class),
-				$server->getLogger(),
-				$c['AppName'],
-				$server->getUserSession()->isLoggedIn(),
-				$server->getGroupManager()->isAdmin($this->getUserId()),
-				$server->getUserSession()->getUser() !== null && $server->query(ISubAdmin::class)->isSubAdmin($server->getUserSession()->getUser()),
-				$server->getAppManager(),
-				$server->getL10N('lib')
-			);
-			$dispatcher->registerMiddleware($securityMiddleware);
-			$dispatcher->registerMiddleware(
-				new OC\AppFramework\Middleware\Security\CSPMiddleware(
-					$server->query(OC\Security\CSP\ContentSecurityPolicyManager::class),
-					$server->query(OC\Security\CSP\ContentSecurityPolicyNonceManager::class),
-					$server->query(OC\Security\CSRF\CsrfTokenManager::class)
-				)
-			);
-			$dispatcher->registerMiddleware(
-				$server->query(OC\AppFramework\Middleware\Security\FeaturePolicyMiddleware::class)
-			);
-			$dispatcher->registerMiddleware(
-				new OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware(
-					$c->query(IControllerMethodReflector::class),
-					$c->query(ISession::class),
-					$c->query(IUserSession::class),
-					$c->query(ITimeFactory::class)
-				)
-			);
-			$dispatcher->registerMiddleware(
-				new TwoFactorMiddleware(
-					$c->query(OC\Authentication\TwoFactorAuth\Manager::class),
-					$c->query(IUserSession::class),
-					$c->query(ISession::class),
-					$c->query(IURLGenerator::class),
-					$c->query(IControllerMethodReflector::class),
-					$c->query(IRequest::class)
-				)
-			);
-			$dispatcher->registerMiddleware(
-				new OC\AppFramework\Middleware\Security\BruteForceMiddleware(
-					$c->query(IControllerMethodReflector::class),
-					$c->query(OC\Security\Bruteforce\Throttler::class),
-					$c->query(IRequest::class)
-				)
-			);
-			$dispatcher->registerMiddleware(
-				new RateLimitingMiddleware(
-					$c->query(IRequest::class),
-					$c->query(IUserSession::class),
-					$c->query(IControllerMethodReflector::class),
-					$c->query(OC\Security\RateLimiting\Limiter::class)
-				)
-			);
-			$dispatcher->registerMiddleware(
-				new OC\AppFramework\Middleware\PublicShare\PublicShareMiddleware(
-					$c->query(IRequest::class),
-					$c->query(ISession::class),
-					$c->query(\OCP\IConfig::class)
-				)
-			);
-			$dispatcher->registerMiddleware(
-				$c->query(\OC\AppFramework\Middleware\AdditionalScriptsMiddleware::class)
-			);
-
-			foreach($this->middleWares as $middleWare) {
-				$dispatcher->registerMiddleware($c->query($middleWare));
-			}
-
-			$dispatcher->registerMiddleware(
-				new SessionMiddleware(
-					$c->query(IControllerMethodReflector::class),
-					$c->query(ISession::class)
-				)
-			);
-			return $dispatcher;
-		});
-
-		$this->registerAlias(\OCP\Collaboration\Resources\IProviderManager::class, OC\Collaboration\Resources\ProviderManager::class);
-		$this->registerAlias(\OCP\Collaboration\Resources\IManager::class, OC\Collaboration\Resources\Manager::class);
-	}
-
-	/**
-	 * @return \OCP\IServerContainer
-	 */
-	public function getServer()
-	{
-		return $this->server;
-	}
-
-	/**
-	 * @param string $middleWare
-	 * @return boolean|null
-	 */
-	public function registerMiddleWare($middleWare) {
-		if (in_array($middleWare, $this->middleWares, true) !== false) {
-			return false;
-		}
-		$this->middleWares[] = $middleWare;
-	}
-
-	/**
-	 * used to return the appname of the set application
-	 * @return string the name of your application
-	 */
-	public function getAppName() {
-		return $this->query('AppName');
-	}
-
-	/**
-	 * @deprecated use IUserSession->isLoggedIn()
-	 * @return boolean
-	 */
-	public function isLoggedIn() {
-		return \OC::$server->getUserSession()->isLoggedIn();
-	}
-
-	/**
-	 * @deprecated use IGroupManager->isAdmin($userId)
-	 * @return boolean
-	 */
-	public function isAdminUser() {
-		$uid = $this->getUserId();
-		return \OC_User::isAdminUser($uid);
-	}
-
-	private function getUserId() {
-		return $this->getServer()->getSession()->get('user_id');
-	}
-
-	/**
-	 * @deprecated use the ILogger instead
-	 * @param string $message
-	 * @param string $level
-	 * @return mixed
-	 */
-	public function log($message, $level) {
-		switch($level){
-			case 'debug':
-				$level = ILogger::DEBUG;
-				break;
-			case 'info':
-				$level = ILogger::INFO;
-				break;
-			case 'warn':
-				$level = ILogger::WARN;
-				break;
-			case 'fatal':
-				$level = ILogger::FATAL;
-				break;
-			default:
-				$level = ILogger::ERROR;
-				break;
-		}
-		\OCP\Util::writeLog($this->getAppName(), $message, $level);
-	}
-
-	/**
-	 * Register a capability
-	 *
-	 * @param string $serviceName e.g. 'OCA\Files\Capabilities'
-	 */
-	public function registerCapability($serviceName) {
-		$this->query('OC\CapabilitiesManager')->registerCapability(function () use ($serviceName) {
-			return $this->query($serviceName);
-		});
-	}
-
-	public function query(string $name, bool $autoload = true) {
-		try {
-			return $this->queryNoFallback($name);
-		} catch (QueryException $firstException) {
-			try {
-				return $this->getServer()->query($name, $autoload);
-			} catch (QueryException $secondException) {
-				if ($firstException->getCode() === 1) {
-					throw $secondException;
-				}
-				throw $firstException;
-			}
-		}
-	}
-
-	/**
-	 * @param string $name
-	 * @return mixed
-	 * @throws QueryException if the query could not be resolved
-	 */
-	public function queryNoFallback($name) {
-		$name = $this->sanitizeName($name);
-
-		if ($this->offsetExists($name)) {
-			return parent::query($name);
-		} else {
-			if ($this['AppName'] === 'settings' && strpos($name, 'OC\\Settings\\') === 0) {
-				return parent::query($name);
-			} else if ($this['AppName'] === 'core' && strpos($name, 'OC\\Core\\') === 0) {
-				return parent::query($name);
-			} else if (strpos($name, \OC\AppFramework\App::buildAppNamespace($this['AppName']) . '\\') === 0) {
-				return parent::query($name);
-			}
-		}
-
-		throw new QueryException('Could not resolve ' . $name . '!' .
-			' Class can not be instantiated', 1);
-	}
+    /**
+     * @var array
+     */
+    private $middleWares = [];
+
+    /** @var ServerContainer */
+    private $server;
+
+    /**
+     * Put your class dependencies in here
+     * @param string $appName the name of the app
+     * @param array $urlParams
+     * @param ServerContainer|null $server
+     */
+    public function __construct($appName, $urlParams = [], ServerContainer $server = null) {
+        parent::__construct();
+        $this['AppName'] = $appName;
+        $this['urlParams'] = $urlParams;
+
+        $this->registerAlias('Request', IRequest::class);
+
+        /** @var \OC\ServerContainer $server */
+        if ($server === null) {
+            $server = \OC::$server;
+        }
+        $this->server = $server;
+        $this->server->registerAppContainer($appName, $this);
+
+        // aliases
+        $this->registerAlias('appName', 'AppName');
+        $this->registerAlias('webRoot', 'WebRoot');
+        $this->registerAlias('userId', 'UserId');
+
+        /**
+         * Core services
+         */
+        $this->registerService(IOutput::class, function () {
+            return new Output($this->getServer()->getWebRoot());
+        });
+
+        $this->registerService(Folder::class, function () {
+            return $this->getServer()->getUserFolder();
+        });
+
+        $this->registerService(IAppData::class, function (SimpleContainer $c) {
+            return $this->getServer()->getAppDataDir($c->query('AppName'));
+        });
+
+        $this->registerService(IL10N::class, function ($c) {
+            return $this->getServer()->getL10N($c->query('AppName'));
+        });
+
+        // Log wrapper
+        $this->registerService(ILogger::class, function ($c) {
+            return new OC\AppFramework\Logger($this->server->query(ILogger::class), $c->query('AppName'));
+        });
+
+        $this->registerService(IServerContainer::class, function () {
+            return $this->getServer();
+        });
+        $this->registerAlias('ServerContainer', IServerContainer::class);
+
+        $this->registerService(\OCP\WorkflowEngine\IManager::class, function ($c) {
+            return $c->query(Manager::class);
+        });
+
+        $this->registerService(\OCP\AppFramework\IAppContainer::class, function ($c) {
+            return $c;
+        });
+
+        // commonly used attributes
+        $this->registerService('UserId', function ($c) {
+            return $c->query(IUserSession::class)->getSession()->get('user_id');
+        });
+
+        $this->registerService('WebRoot', function ($c) {
+            return $c->query('ServerContainer')->getWebRoot();
+        });
+
+        $this->registerService('OC_Defaults', function ($c) {
+            return $c->getServer()->getThemingDefaults();
+        });
+
+        $this->registerService(IConfig::class, function ($c) {
+            return $c->query(OC\GlobalScale\Config::class);
+        });
+
+        $this->registerService('Protocol', function ($c) {
+            /** @var \OC\Server $server */
+            $server = $c->query('ServerContainer');
+            $protocol = $server->getRequest()->getHttpProtocol();
+            return new Http($_SERVER, $protocol);
+        });
+
+        $this->registerService('Dispatcher', function ($c) {
+            return new Dispatcher(
+                $c['Protocol'],
+                $c['MiddlewareDispatcher'],
+                $c->query(IControllerMethodReflector::class),
+                $c['Request']
+            );
+        });
+
+        /**
+         * App Framework default arguments
+         */
+        $this->registerParameter('corsMethods', 'PUT, POST, GET, DELETE, PATCH');
+        $this->registerParameter('corsAllowedHeaders', 'Authorization, Content-Type, Accept');
+        $this->registerParameter('corsMaxAge', 1728000);
+
+        /**
+         * Middleware
+         */
+        $this->registerService('MiddlewareDispatcher', function (SimpleContainer $c) {
+            $server =  $this->getServer();
+
+            $dispatcher = new MiddlewareDispatcher();
+            $dispatcher->registerMiddleware(
+                $c->query(OC\AppFramework\Middleware\Security\ReloadExecutionMiddleware::class)
+            );
+
+            $dispatcher->registerMiddleware(
+                new OC\AppFramework\Middleware\Security\SameSiteCookieMiddleware(
+                    $c->query(IRequest::class),
+                    $c->query(IControllerMethodReflector::class)
+                )
+            );
+            $dispatcher->registerMiddleware(
+                new CORSMiddleware(
+                    $c->query(IRequest::class),
+                    $c->query(IControllerMethodReflector::class),
+                    $c->query(IUserSession::class),
+                    $c->query(OC\Security\Bruteforce\Throttler::class)
+                )
+            );
+            $dispatcher->registerMiddleware(
+                new OCSMiddleware(
+                    $c->query(IRequest::class)
+                )
+            );
+
+            $securityMiddleware = new SecurityMiddleware(
+                $c->query(IRequest::class),
+                $c->query(IControllerMethodReflector::class),
+                $c->query(INavigationManager::class),
+                $c->query(IURLGenerator::class),
+                $server->getLogger(),
+                $c['AppName'],
+                $server->getUserSession()->isLoggedIn(),
+                $server->getGroupManager()->isAdmin($this->getUserId()),
+                $server->getUserSession()->getUser() !== null && $server->query(ISubAdmin::class)->isSubAdmin($server->getUserSession()->getUser()),
+                $server->getAppManager(),
+                $server->getL10N('lib')
+            );
+            $dispatcher->registerMiddleware($securityMiddleware);
+            $dispatcher->registerMiddleware(
+                new OC\AppFramework\Middleware\Security\CSPMiddleware(
+                    $server->query(OC\Security\CSP\ContentSecurityPolicyManager::class),
+                    $server->query(OC\Security\CSP\ContentSecurityPolicyNonceManager::class),
+                    $server->query(OC\Security\CSRF\CsrfTokenManager::class)
+                )
+            );
+            $dispatcher->registerMiddleware(
+                $server->query(OC\AppFramework\Middleware\Security\FeaturePolicyMiddleware::class)
+            );
+            $dispatcher->registerMiddleware(
+                new OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware(
+                    $c->query(IControllerMethodReflector::class),
+                    $c->query(ISession::class),
+                    $c->query(IUserSession::class),
+                    $c->query(ITimeFactory::class)
+                )
+            );
+            $dispatcher->registerMiddleware(
+                new TwoFactorMiddleware(
+                    $c->query(OC\Authentication\TwoFactorAuth\Manager::class),
+                    $c->query(IUserSession::class),
+                    $c->query(ISession::class),
+                    $c->query(IURLGenerator::class),
+                    $c->query(IControllerMethodReflector::class),
+                    $c->query(IRequest::class)
+                )
+            );
+            $dispatcher->registerMiddleware(
+                new OC\AppFramework\Middleware\Security\BruteForceMiddleware(
+                    $c->query(IControllerMethodReflector::class),
+                    $c->query(OC\Security\Bruteforce\Throttler::class),
+                    $c->query(IRequest::class)
+                )
+            );
+            $dispatcher->registerMiddleware(
+                new RateLimitingMiddleware(
+                    $c->query(IRequest::class),
+                    $c->query(IUserSession::class),
+                    $c->query(IControllerMethodReflector::class),
+                    $c->query(OC\Security\RateLimiting\Limiter::class)
+                )
+            );
+            $dispatcher->registerMiddleware(
+                new OC\AppFramework\Middleware\PublicShare\PublicShareMiddleware(
+                    $c->query(IRequest::class),
+                    $c->query(ISession::class),
+                    $c->query(\OCP\IConfig::class)
+                )
+            );
+            $dispatcher->registerMiddleware(
+                $c->query(\OC\AppFramework\Middleware\AdditionalScriptsMiddleware::class)
+            );
+
+            foreach($this->middleWares as $middleWare) {
+                $dispatcher->registerMiddleware($c->query($middleWare));
+            }
+
+            $dispatcher->registerMiddleware(
+                new SessionMiddleware(
+                    $c->query(IControllerMethodReflector::class),
+                    $c->query(ISession::class)
+                )
+            );
+            return $dispatcher;
+        });
+
+        $this->registerAlias(\OCP\Collaboration\Resources\IProviderManager::class, OC\Collaboration\Resources\ProviderManager::class);
+        $this->registerAlias(\OCP\Collaboration\Resources\IManager::class, OC\Collaboration\Resources\Manager::class);
+    }
+
+    /**
+     * @return \OCP\IServerContainer
+     */
+    public function getServer()
+    {
+        return $this->server;
+    }
+
+    /**
+     * @param string $middleWare
+     * @return boolean|null
+     */
+    public function registerMiddleWare($middleWare) {
+        if (in_array($middleWare, $this->middleWares, true) !== false) {
+            return false;
+        }
+        $this->middleWares[] = $middleWare;
+    }
+
+    /**
+     * used to return the appname of the set application
+     * @return string the name of your application
+     */
+    public function getAppName() {
+        return $this->query('AppName');
+    }
+
+    /**
+     * @deprecated use IUserSession->isLoggedIn()
+     * @return boolean
+     */
+    public function isLoggedIn() {
+        return \OC::$server->getUserSession()->isLoggedIn();
+    }
+
+    /**
+     * @deprecated use IGroupManager->isAdmin($userId)
+     * @return boolean
+     */
+    public function isAdminUser() {
+        $uid = $this->getUserId();
+        return \OC_User::isAdminUser($uid);
+    }
+
+    private function getUserId() {
+        return $this->getServer()->getSession()->get('user_id');
+    }
+
+    /**
+     * @deprecated use the ILogger instead
+     * @param string $message
+     * @param string $level
+     * @return mixed
+     */
+    public function log($message, $level) {
+        switch($level){
+            case 'debug':
+                $level = ILogger::DEBUG;
+                break;
+            case 'info':
+                $level = ILogger::INFO;
+                break;
+            case 'warn':
+                $level = ILogger::WARN;
+                break;
+            case 'fatal':
+                $level = ILogger::FATAL;
+                break;
+            default:
+                $level = ILogger::ERROR;
+                break;
+        }
+        \OCP\Util::writeLog($this->getAppName(), $message, $level);
+    }
+
+    /**
+     * Register a capability
+     *
+     * @param string $serviceName e.g. 'OCA\Files\Capabilities'
+     */
+    public function registerCapability($serviceName) {
+        $this->query('OC\CapabilitiesManager')->registerCapability(function () use ($serviceName) {
+            return $this->query($serviceName);
+        });
+    }
+
+    public function query(string $name, bool $autoload = true) {
+        try {
+            return $this->queryNoFallback($name);
+        } catch (QueryException $firstException) {
+            try {
+                return $this->getServer()->query($name, $autoload);
+            } catch (QueryException $secondException) {
+                if ($firstException->getCode() === 1) {
+                    throw $secondException;
+                }
+                throw $firstException;
+            }
+        }
+    }
+
+    /**
+     * @param string $name
+     * @return mixed
+     * @throws QueryException if the query could not be resolved
+     */
+    public function queryNoFallback($name) {
+        $name = $this->sanitizeName($name);
+
+        if ($this->offsetExists($name)) {
+            return parent::query($name);
+        } else {
+            if ($this['AppName'] === 'settings' && strpos($name, 'OC\\Settings\\') === 0) {
+                return parent::query($name);
+            } else if ($this['AppName'] === 'core' && strpos($name, 'OC\\Core\\') === 0) {
+                return parent::query($name);
+            } else if (strpos($name, \OC\AppFramework\App::buildAppNamespace($this['AppName']) . '\\') === 0) {
+                return parent::query($name);
+            }
+        }
+
+        throw new QueryException('Could not resolve ' . $name . '!' .
+            ' Class can not be instantiated', 1);
+    }
 }

Spacing +21 added lines, -21 removed lines

@@ -105,65 +105,65 @@ 
 		/**
 		 * Core services
 		 */
-		$this->registerService(IOutput::class, function () {
+		$this->registerService(IOutput::class, function() {
 			return new Output($this->getServer()->getWebRoot());
 		});
 
-		$this->registerService(Folder::class, function () {
+		$this->registerService(Folder::class, function() {
 			return $this->getServer()->getUserFolder();
 		});
 
-		$this->registerService(IAppData::class, function (SimpleContainer $c) {
+		$this->registerService(IAppData::class, function(SimpleContainer $c) {
 			return $this->getServer()->getAppDataDir($c->query('AppName'));
 		});
 
-		$this->registerService(IL10N::class, function ($c) {
+		$this->registerService(IL10N::class, function($c) {
 			return $this->getServer()->getL10N($c->query('AppName'));
 		});
 
 		// Log wrapper
-		$this->registerService(ILogger::class, function ($c) {
+		$this->registerService(ILogger::class, function($c) {
 			return new OC\AppFramework\Logger($this->server->query(ILogger::class), $c->query('AppName'));
 		});
 
-		$this->registerService(IServerContainer::class, function () {
+		$this->registerService(IServerContainer::class, function() {
 			return $this->getServer();
 		});
 		$this->registerAlias('ServerContainer', IServerContainer::class);
 
-		$this->registerService(\OCP\WorkflowEngine\IManager::class, function ($c) {
+		$this->registerService(\OCP\WorkflowEngine\IManager::class, function($c) {
 			return $c->query(Manager::class);
 		});
 
-		$this->registerService(\OCP\AppFramework\IAppContainer::class, function ($c) {
+		$this->registerService(\OCP\AppFramework\IAppContainer::class, function($c) {
 			return $c;
 		});
 
 		// commonly used attributes
-		$this->registerService('UserId', function ($c) {
+		$this->registerService('UserId', function($c) {
 			return $c->query(IUserSession::class)->getSession()->get('user_id');
 		});
 
-		$this->registerService('WebRoot', function ($c) {
+		$this->registerService('WebRoot', function($c) {
 			return $c->query('ServerContainer')->getWebRoot();
 		});
 
-		$this->registerService('OC_Defaults', function ($c) {
+		$this->registerService('OC_Defaults', function($c) {
 			return $c->getServer()->getThemingDefaults();
 		});
 
-		$this->registerService(IConfig::class, function ($c) {
+		$this->registerService(IConfig::class, function($c) {
 			return $c->query(OC\GlobalScale\Config::class);
 		});
 
-		$this->registerService('Protocol', function ($c) {
+		$this->registerService('Protocol', function($c) {
 			/** @var \OC\Server $server */
 			$server = $c->query('ServerContainer');
 			$protocol = $server->getRequest()->getHttpProtocol();
 			return new Http($_SERVER, $protocol);
 		});
 
-		$this->registerService('Dispatcher', function ($c) {
+		$this->registerService('Dispatcher', function($c) {
 			return new Dispatcher(
 				$c['Protocol'],
 				$c['MiddlewareDispatcher'],
@@ -182,8 +182,8 @@ 
 		/**
 		 * Middleware
 		 */
-		$this->registerService('MiddlewareDispatcher', function (SimpleContainer $c) {
-			$server =  $this->getServer();
+		$this->registerService('MiddlewareDispatcher', function(SimpleContainer $c) {
+			$server = $this->getServer();
 
 			$dispatcher = new MiddlewareDispatcher();
 			$dispatcher->registerMiddleware(
@@ -278,7 +278,7 @@ 
 				$c->query(\OC\AppFramework\Middleware\AdditionalScriptsMiddleware::class)
 			);
 
-			foreach($this->middleWares as $middleWare) {
+			foreach ($this->middleWares as $middleWare) {
 				$dispatcher->registerMiddleware($c->query($middleWare));
 			}
 
@@ -350,7 +350,7 @@ 
 	 * @return mixed
 	 */
 	public function log($message, $level) {
-		switch($level){
+		switch ($level) {
 			case 'debug':
 				$level = ILogger::DEBUG;
 				break;
@@ -376,7 +376,7 @@ 
 	 * @param string $serviceName e.g. 'OCA\Files\Capabilities'
 	 */
 	public function registerCapability($serviceName) {
-		$this->query('OC\CapabilitiesManager')->registerCapability(function () use ($serviceName) {
+		$this->query('OC\CapabilitiesManager')->registerCapability(function() use ($serviceName) {
 			return $this->query($serviceName);
 		});
 	}
@@ -411,12 +411,12 @@ 
 				return parent::query($name);
 			} else if ($this['AppName'] === 'core' && strpos($name, 'OC\\Core\\') === 0) {
 				return parent::query($name);
-			} else if (strpos($name, \OC\AppFramework\App::buildAppNamespace($this['AppName']) . '\\') === 0) {
+			} else if (strpos($name, \OC\AppFramework\App::buildAppNamespace($this['AppName']).'\\') === 0) {
 				return parent::query($name);
 			}
 		}
 
-		throw new QueryException('Could not resolve ' . $name . '!' .
+		throw new QueryException('Could not resolve '.$name.'!'.
 			' Class can not be instantiated', 1);
 	}
 }

lib/private/AppFramework/Utility/ControllerMethodReflector.php

Indentation +96 added lines, -96 removed lines

@@ -38,100 +38,100 @@
  * Reads and parses annotations from doc comments
  */
 class ControllerMethodReflector implements IControllerMethodReflector {
-	public $annotations = [];
-	private $types = [];
-	private $parameters = [];
-
-	/**
-	 * @param object $object an object or classname
-	 * @param string $method the method which we want to inspect
-	 */
-	public function reflect($object, string $method) {
-		$reflection = new \ReflectionMethod($object, $method);
-		$docs = $reflection->getDocComment();
-
-		if ($docs !== false) {
-			// extract everything prefixed by @ and first letter uppercase
-			preg_match_all('/^\h+\*\h+@(?P<annotation>[A-Z]\w+)((?P<parameter>.*))?$/m', $docs, $matches);
-			foreach ($matches['annotation'] as $key => $annontation) {
-				$annotationValue = $matches['parameter'][$key];
-				if (isset($annotationValue[0]) && $annotationValue[0] === '(' && $annotationValue[\strlen($annotationValue) - 1] === ')') {
-					$cutString = substr($annotationValue, 1, -1);
-					$cutString = str_replace(' ', '', $cutString);
-					$splittedArray = explode(',', $cutString);
-					foreach ($splittedArray as $annotationValues) {
-						list($key, $value) = explode('=', $annotationValues);
-						$this->annotations[$annontation][$key] = $value;
-					}
-					continue;
-				}
-
-				$this->annotations[$annontation] = [$annotationValue];
-			}
-
-			// extract type parameter information
-			preg_match_all('/@param\h+(?P<type>\w+)\h+\$(?P<var>\w+)/', $docs, $matches);
-			$this->types = array_combine($matches['var'], $matches['type']);
-		}
-
-		foreach ($reflection->getParameters() as $param) {
-			// extract type information from PHP 7 scalar types and prefer them over phpdoc annotations
-			$type = $param->getType();
-			if ($type instanceof \ReflectionNamedType) {
-				$this->types[$param->getName()] = $type->getName();
-			}
-
-			$default = null;
-			if($param->isOptional()) {
-				$default = $param->getDefaultValue();
-			}
-			$this->parameters[$param->name] = $default;
-		}
-	}
-
-	/**
-	 * Inspects the PHPDoc parameters for types
-	 * @param string $parameter the parameter whose type comments should be
-	 * parsed
-	 * @return string|null type in the type parameters (@param int $something)
-	 * would return int or null if not existing
-	 */
-	public function getType(string $parameter) {
-		if(array_key_exists($parameter, $this->types)) {
-			return $this->types[$parameter];
-		}
-
-		return null;
-	}
-
-	/**
-	 * @return array the arguments of the method with key => default value
-	 */
-	public function getParameters(): array {
-		return $this->parameters;
-	}
-
-	/**
-	 * Check if a method contains an annotation
-	 * @param string $name the name of the annotation
-	 * @return bool true if the annotation is found
-	 */
-	public function hasAnnotation(string $name): bool {
-		return array_key_exists($name, $this->annotations);
-	}
-
-	/**
-	 * Get optional annotation parameter by key
-	 *
-	 * @param string $name the name of the annotation
-	 * @param string $key the string of the annotation
-	 * @return string
-	 */
-	public function getAnnotationParameter(string $name, string $key): string {
-		if(isset($this->annotations[$name][$key])) {
-			return $this->annotations[$name][$key];
-		}
-
-		return '';
-	}
+    public $annotations = [];
+    private $types = [];
+    private $parameters = [];
+
+    /**
+     * @param object $object an object or classname
+     * @param string $method the method which we want to inspect
+     */
+    public function reflect($object, string $method) {
+        $reflection = new \ReflectionMethod($object, $method);
+        $docs = $reflection->getDocComment();
+
+        if ($docs !== false) {
+            // extract everything prefixed by @ and first letter uppercase
+            preg_match_all('/^\h+\*\h+@(?P<annotation>[A-Z]\w+)((?P<parameter>.*))?$/m', $docs, $matches);
+            foreach ($matches['annotation'] as $key => $annontation) {
+                $annotationValue = $matches['parameter'][$key];
+                if (isset($annotationValue[0]) && $annotationValue[0] === '(' && $annotationValue[\strlen($annotationValue) - 1] === ')') {
+                    $cutString = substr($annotationValue, 1, -1);
+                    $cutString = str_replace(' ', '', $cutString);
+                    $splittedArray = explode(',', $cutString);
+                    foreach ($splittedArray as $annotationValues) {
+                        list($key, $value) = explode('=', $annotationValues);
+                        $this->annotations[$annontation][$key] = $value;
+                    }
+                    continue;
+                }
+
+                $this->annotations[$annontation] = [$annotationValue];
+            }
+
+            // extract type parameter information
+            preg_match_all('/@param\h+(?P<type>\w+)\h+\$(?P<var>\w+)/', $docs, $matches);
+            $this->types = array_combine($matches['var'], $matches['type']);
+        }
+
+        foreach ($reflection->getParameters() as $param) {
+            // extract type information from PHP 7 scalar types and prefer them over phpdoc annotations
+            $type = $param->getType();
+            if ($type instanceof \ReflectionNamedType) {
+                $this->types[$param->getName()] = $type->getName();
+            }
+
+            $default = null;
+            if($param->isOptional()) {
+                $default = $param->getDefaultValue();
+            }
+            $this->parameters[$param->name] = $default;
+        }
+    }
+
+    /**
+     * Inspects the PHPDoc parameters for types
+     * @param string $parameter the parameter whose type comments should be
+     * parsed
+     * @return string|null type in the type parameters (@param int $something)
+     * would return int or null if not existing
+     */
+    public function getType(string $parameter) {
+        if(array_key_exists($parameter, $this->types)) {
+            return $this->types[$parameter];
+        }
+
+        return null;
+    }
+
+    /**
+     * @return array the arguments of the method with key => default value
+     */
+    public function getParameters(): array {
+        return $this->parameters;
+    }
+
+    /**
+     * Check if a method contains an annotation
+     * @param string $name the name of the annotation
+     * @return bool true if the annotation is found
+     */
+    public function hasAnnotation(string $name): bool {
+        return array_key_exists($name, $this->annotations);
+    }
+
+    /**
+     * Get optional annotation parameter by key
+     *
+     * @param string $name the name of the annotation
+     * @param string $key the string of the annotation
+     * @return string
+     */
+    public function getAnnotationParameter(string $name, string $key): string {
+        if(isset($this->annotations[$name][$key])) {
+            return $this->annotations[$name][$key];
+        }
+
+        return '';
+    }
 }

Spacing +3 added lines, -3 removed lines

@@ -82,7 +82,7 @@ 
 			}
 
 			$default = null;
-			if($param->isOptional()) {
+			if ($param->isOptional()) {
 				$default = $param->getDefaultValue();
 			}
 			$this->parameters[$param->name] = $default;
@@ -97,7 +97,7 @@ 
 	 * would return int or null if not existing
 	 */
 	public function getType(string $parameter) {
-		if(array_key_exists($parameter, $this->types)) {
+		if (array_key_exists($parameter, $this->types)) {
 			return $this->types[$parameter];
 		}
 
@@ -128,7 +128,7 @@ 
 	 * @return string
 	 */
 	public function getAnnotationParameter(string $name, string $key): string {
-		if(isset($this->annotations[$name][$key])) {
+		if (isset($this->annotations[$name][$key])) {
 			return $this->annotations[$name][$key];
 		}
 

lib/private/AppFramework/Middleware/Security/CORSMiddleware.php

Indentation +102 added lines, -102 removed lines

@@ -45,116 +45,116 @@
  * https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS
  */
 class CORSMiddleware extends Middleware {
-	/** @var IRequest  */
-	private $request;
-	/** @var ControllerMethodReflector */
-	private $reflector;
-	/** @var Session */
-	private $session;
-	/** @var Throttler */
-	private $throttler;
+    /** @var IRequest  */
+    private $request;
+    /** @var ControllerMethodReflector */
+    private $reflector;
+    /** @var Session */
+    private $session;
+    /** @var Throttler */
+    private $throttler;
 
-	/**
-	 * @param IRequest $request
-	 * @param ControllerMethodReflector $reflector
-	 * @param Session $session
-	 * @param Throttler $throttler
-	 */
-	public function __construct(IRequest $request,
-								ControllerMethodReflector $reflector,
-								Session $session,
-								Throttler $throttler) {
-		$this->request = $request;
-		$this->reflector = $reflector;
-		$this->session = $session;
-		$this->throttler = $throttler;
-	}
+    /**
+     * @param IRequest $request
+     * @param ControllerMethodReflector $reflector
+     * @param Session $session
+     * @param Throttler $throttler
+     */
+    public function __construct(IRequest $request,
+                                ControllerMethodReflector $reflector,
+                                Session $session,
+                                Throttler $throttler) {
+        $this->request = $request;
+        $this->reflector = $reflector;
+        $this->session = $session;
+        $this->throttler = $throttler;
+    }
 
-	/**
-	 * This is being run in normal order before the controller is being
-	 * called which allows several modifications and checks
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                           the controller
-	 * @throws SecurityException
-	 * @since 6.0.0
-	 */
-	public function beforeController($controller, $methodName) {
-		// ensure that @CORS annotated API routes are not used in conjunction
-		// with session authentication since this enables CSRF attack vectors
-		if ($this->reflector->hasAnnotation('CORS') &&
-			!$this->reflector->hasAnnotation('PublicPage'))  {
-			$user = $this->request->server['PHP_AUTH_USER'];
-			$pass = $this->request->server['PHP_AUTH_PW'];
+    /**
+     * This is being run in normal order before the controller is being
+     * called which allows several modifications and checks
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                           the controller
+     * @throws SecurityException
+     * @since 6.0.0
+     */
+    public function beforeController($controller, $methodName) {
+        // ensure that @CORS annotated API routes are not used in conjunction
+        // with session authentication since this enables CSRF attack vectors
+        if ($this->reflector->hasAnnotation('CORS') &&
+            !$this->reflector->hasAnnotation('PublicPage'))  {
+            $user = $this->request->server['PHP_AUTH_USER'];
+            $pass = $this->request->server['PHP_AUTH_PW'];
 
-			$this->session->logout();
-			try {
-				if (!$this->session->logClientIn($user, $pass, $this->request, $this->throttler)) {
-					throw new SecurityException('CORS requires basic auth', Http::STATUS_UNAUTHORIZED);
-				}
-			} catch (PasswordLoginForbiddenException $ex) {
-				throw new SecurityException('Password login forbidden, use token instead', Http::STATUS_UNAUTHORIZED);
-			}
-		}
-	}
+            $this->session->logout();
+            try {
+                if (!$this->session->logClientIn($user, $pass, $this->request, $this->throttler)) {
+                    throw new SecurityException('CORS requires basic auth', Http::STATUS_UNAUTHORIZED);
+                }
+            } catch (PasswordLoginForbiddenException $ex) {
+                throw new SecurityException('Password login forbidden, use token instead', Http::STATUS_UNAUTHORIZED);
+            }
+        }
+    }
 
-	/**
-	 * This is being run after a successful controllermethod call and allows
-	 * the manipulation of a Response object. The middleware is run in reverse order
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                           the controller
-	 * @param Response $response the generated response from the controller
-	 * @return Response a Response object
-	 * @throws SecurityException
-	 */
-	public function afterController($controller, $methodName, Response $response) {
-		// only react if its a CORS request and if the request sends origin and
+    /**
+     * This is being run after a successful controllermethod call and allows
+     * the manipulation of a Response object. The middleware is run in reverse order
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                           the controller
+     * @param Response $response the generated response from the controller
+     * @return Response a Response object
+     * @throws SecurityException
+     */
+    public function afterController($controller, $methodName, Response $response) {
+        // only react if its a CORS request and if the request sends origin and
 
-		if(isset($this->request->server['HTTP_ORIGIN']) &&
-			$this->reflector->hasAnnotation('CORS')) {
+        if(isset($this->request->server['HTTP_ORIGIN']) &&
+            $this->reflector->hasAnnotation('CORS')) {
 
-			// allow credentials headers must not be true or CSRF is possible
-			// otherwise
-			foreach($response->getHeaders() as $header => $value) {
-				if(strtolower($header) === 'access-control-allow-credentials' &&
-				   strtolower(trim($value)) === 'true') {
-					$msg = 'Access-Control-Allow-Credentials must not be '.
-						   'set to true in order to prevent CSRF';
-					throw new SecurityException($msg);
-				}
-			}
+            // allow credentials headers must not be true or CSRF is possible
+            // otherwise
+            foreach($response->getHeaders() as $header => $value) {
+                if(strtolower($header) === 'access-control-allow-credentials' &&
+                   strtolower(trim($value)) === 'true') {
+                    $msg = 'Access-Control-Allow-Credentials must not be '.
+                            'set to true in order to prevent CSRF';
+                    throw new SecurityException($msg);
+                }
+            }
 
-			$origin = $this->request->server['HTTP_ORIGIN'];
-			$response->addHeader('Access-Control-Allow-Origin', $origin);
-		}
-		return $response;
-	}
+            $origin = $this->request->server['HTTP_ORIGIN'];
+            $response->addHeader('Access-Control-Allow-Origin', $origin);
+        }
+        return $response;
+    }
 
-	/**
-	 * If an SecurityException is being caught return a JSON error response
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                           the controller
-	 * @param \Exception $exception the thrown exception
-	 * @throws \Exception the passed in exception if it can't handle it
-	 * @return Response a Response object or null in case that the exception could not be handled
-	 */
-	public function afterException($controller, $methodName, \Exception $exception) {
-		if($exception instanceof SecurityException){
-			$response =  new JSONResponse(['message' => $exception->getMessage()]);
-			if($exception->getCode() !== 0) {
-				$response->setStatus($exception->getCode());
-			} else {
-				$response->setStatus(Http::STATUS_INTERNAL_SERVER_ERROR);
-			}
-			return $response;
-		}
+    /**
+     * If an SecurityException is being caught return a JSON error response
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                           the controller
+     * @param \Exception $exception the thrown exception
+     * @throws \Exception the passed in exception if it can't handle it
+     * @return Response a Response object or null in case that the exception could not be handled
+     */
+    public function afterException($controller, $methodName, \Exception $exception) {
+        if($exception instanceof SecurityException){
+            $response =  new JSONResponse(['message' => $exception->getMessage()]);
+            if($exception->getCode() !== 0) {
+                $response->setStatus($exception->getCode());
+            } else {
+                $response->setStatus(Http::STATUS_INTERNAL_SERVER_ERROR);
+            }
+            return $response;
+        }
 
-		throw $exception;
-	}
+        throw $exception;
+    }
 
 }

Spacing +7 added lines, -7 removed lines

@@ -84,7 +84,7 @@ 
 		// ensure that @CORS annotated API routes are not used in conjunction
 		// with session authentication since this enables CSRF attack vectors
 		if ($this->reflector->hasAnnotation('CORS') &&
-			!$this->reflector->hasAnnotation('PublicPage'))  {
+			!$this->reflector->hasAnnotation('PublicPage')) {
 			$user = $this->request->server['PHP_AUTH_USER'];
 			$pass = $this->request->server['PHP_AUTH_PW'];
 
@@ -113,13 +113,13 @@ 
 	public function afterController($controller, $methodName, Response $response) {
 		// only react if its a CORS request and if the request sends origin and
 
-		if(isset($this->request->server['HTTP_ORIGIN']) &&
+		if (isset($this->request->server['HTTP_ORIGIN']) &&
 			$this->reflector->hasAnnotation('CORS')) {
 
 			// allow credentials headers must not be true or CSRF is possible
 			// otherwise
-			foreach($response->getHeaders() as $header => $value) {
-				if(strtolower($header) === 'access-control-allow-credentials' &&
+			foreach ($response->getHeaders() as $header => $value) {
+				if (strtolower($header) === 'access-control-allow-credentials' &&
 				   strtolower(trim($value)) === 'true') {
 					$msg = 'Access-Control-Allow-Credentials must not be '.
 						   'set to true in order to prevent CSRF';
@@ -144,9 +144,9 @@ 
 	 * @return Response a Response object or null in case that the exception could not be handled
 	 */
 	public function afterException($controller, $methodName, \Exception $exception) {
-		if($exception instanceof SecurityException){
-			$response =  new JSONResponse(['message' => $exception->getMessage()]);
-			if($exception->getCode() !== 0) {
+		if ($exception instanceof SecurityException) {
+			$response = new JSONResponse(['message' => $exception->getMessage()]);
+			if ($exception->getCode() !== 0) {
 				$response->setStatus($exception->getCode());
 			} else {
 				$response->setStatus(Http::STATUS_INTERNAL_SERVER_ERROR);

lib/private/AppFramework/Middleware/MiddlewareDispatcher.php

Indentation +123 added lines, -123 removed lines

@@ -40,128 +40,128 @@
  */
 class MiddlewareDispatcher {
 
-	/**
-	 * @var array array containing all the middlewares
-	 */
-	private $middlewares;
-
-	/**
-	 * @var int counter which tells us what middlware was executed once an
-	 *                  exception occurs
-	 */
-	private $middlewareCounter;
-
-
-	/**
-	 * Constructor
-	 */
-	public function __construct() {
-		$this->middlewares = [];
-		$this->middlewareCounter = 0;
-	}
-
-
-	/**
-	 * Adds a new middleware
-	 * @param Middleware $middleWare the middleware which will be added
-	 */
-	public function registerMiddleware(Middleware $middleWare) {
-		$this->middlewares[] = $middleWare;
-	}
-
-
-	/**
-	 * returns an array with all middleware elements
-	 * @return array the middlewares
-	 */
-	public function getMiddlewares(): array {
-		return $this->middlewares;
-	}
-
-
-	/**
-	 * This is being run in normal order before the controller is being
-	 * called which allows several modifications and checks
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                           the controller
-	 */
-	public function beforeController(Controller $controller, string $methodName) {
-		// we need to count so that we know which middlewares we have to ask in
-		// case there is an exception
-		$middlewareCount = \count($this->middlewares);
-		for($i = 0; $i < $middlewareCount; $i++){
-			$this->middlewareCounter++;
-			$middleware = $this->middlewares[$i];
-			$middleware->beforeController($controller, $methodName);
-		}
-	}
-
-
-	/**
-	 * This is being run when either the beforeController method or the
-	 * controller method itself is throwing an exception. The middleware is asked
-	 * in reverse order to handle the exception and to return a response.
-	 * If the response is null, it is assumed that the exception could not be
-	 * handled and the error will be thrown again
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                            the controller
-	 * @param \Exception $exception the thrown exception
-	 * @return Response a Response object if the middleware can handle the
-	 * exception
-	 * @throws \Exception the passed in exception if it can't handle it
-	 */
-	public function afterException(Controller $controller, string $methodName, \Exception $exception): Response {
-		for($i=$this->middlewareCounter-1; $i>=0; $i--){
-			$middleware = $this->middlewares[$i];
-			try {
-				return $middleware->afterException($controller, $methodName, $exception);
-			} catch(\Exception $exception){
-				continue;
-			}
-		}
-		throw $exception;
-	}
-
-
-	/**
-	 * This is being run after a successful controllermethod call and allows
-	 * the manipulation of a Response object. The middleware is run in reverse order
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                            the controller
-	 * @param Response $response the generated response from the controller
-	 * @return Response a Response object
-	 */
-	public function afterController(Controller $controller, string $methodName, Response $response): Response {
-		for($i= \count($this->middlewares)-1; $i>=0; $i--){
-			$middleware = $this->middlewares[$i];
-			$response = $middleware->afterController($controller, $methodName, $response);
-		}
-		return $response;
-	}
-
-
-	/**
-	 * This is being run after the response object has been rendered and
-	 * allows the manipulation of the output. The middleware is run in reverse order
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                           the controller
-	 * @param string $output the generated output from a response
-	 * @return string the output that should be printed
-	 */
-	public function beforeOutput(Controller $controller, string $methodName, string $output): string {
-		for($i= \count($this->middlewares)-1; $i>=0; $i--){
-			$middleware = $this->middlewares[$i];
-			$output = $middleware->beforeOutput($controller, $methodName, $output);
-		}
-		return $output;
-	}
+    /**
+     * @var array array containing all the middlewares
+     */
+    private $middlewares;
+
+    /**
+     * @var int counter which tells us what middlware was executed once an
+     *                  exception occurs
+     */
+    private $middlewareCounter;
+
+
+    /**
+     * Constructor
+     */
+    public function __construct() {
+        $this->middlewares = [];
+        $this->middlewareCounter = 0;
+    }
+
+
+    /**
+     * Adds a new middleware
+     * @param Middleware $middleWare the middleware which will be added
+     */
+    public function registerMiddleware(Middleware $middleWare) {
+        $this->middlewares[] = $middleWare;
+    }
+
+
+    /**
+     * returns an array with all middleware elements
+     * @return array the middlewares
+     */
+    public function getMiddlewares(): array {
+        return $this->middlewares;
+    }
+
+
+    /**
+     * This is being run in normal order before the controller is being
+     * called which allows several modifications and checks
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                           the controller
+     */
+    public function beforeController(Controller $controller, string $methodName) {
+        // we need to count so that we know which middlewares we have to ask in
+        // case there is an exception
+        $middlewareCount = \count($this->middlewares);
+        for($i = 0; $i < $middlewareCount; $i++){
+            $this->middlewareCounter++;
+            $middleware = $this->middlewares[$i];
+            $middleware->beforeController($controller, $methodName);
+        }
+    }
+
+
+    /**
+     * This is being run when either the beforeController method or the
+     * controller method itself is throwing an exception. The middleware is asked
+     * in reverse order to handle the exception and to return a response.
+     * If the response is null, it is assumed that the exception could not be
+     * handled and the error will be thrown again
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                            the controller
+     * @param \Exception $exception the thrown exception
+     * @return Response a Response object if the middleware can handle the
+     * exception
+     * @throws \Exception the passed in exception if it can't handle it
+     */
+    public function afterException(Controller $controller, string $methodName, \Exception $exception): Response {
+        for($i=$this->middlewareCounter-1; $i>=0; $i--){
+            $middleware = $this->middlewares[$i];
+            try {
+                return $middleware->afterException($controller, $methodName, $exception);
+            } catch(\Exception $exception){
+                continue;
+            }
+        }
+        throw $exception;
+    }
+
+
+    /**
+     * This is being run after a successful controllermethod call and allows
+     * the manipulation of a Response object. The middleware is run in reverse order
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                            the controller
+     * @param Response $response the generated response from the controller
+     * @return Response a Response object
+     */
+    public function afterController(Controller $controller, string $methodName, Response $response): Response {
+        for($i= \count($this->middlewares)-1; $i>=0; $i--){
+            $middleware = $this->middlewares[$i];
+            $response = $middleware->afterController($controller, $methodName, $response);
+        }
+        return $response;
+    }
+
+
+    /**
+     * This is being run after the response object has been rendered and
+     * allows the manipulation of the output. The middleware is run in reverse order
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                           the controller
+     * @param string $output the generated output from a response
+     * @return string the output that should be printed
+     */
+    public function beforeOutput(Controller $controller, string $methodName, string $output): string {
+        for($i= \count($this->middlewares)-1; $i>=0; $i--){
+            $middleware = $this->middlewares[$i];
+            $output = $middleware->beforeOutput($controller, $methodName, $output);
+        }
+        return $output;
+    }
 
 }

Spacing +5 added lines, -5 removed lines

@@ -91,7 +91,7 @@ 
 		// we need to count so that we know which middlewares we have to ask in
 		// case there is an exception
 		$middlewareCount = \count($this->middlewares);
-		for($i = 0; $i < $middlewareCount; $i++){
+		for ($i = 0; $i < $middlewareCount; $i++) {
 			$this->middlewareCounter++;
 			$middleware = $this->middlewares[$i];
 			$middleware->beforeController($controller, $methodName);
@@ -115,11 +115,11 @@ 
 	 * @throws \Exception the passed in exception if it can't handle it
 	 */
 	public function afterException(Controller $controller, string $methodName, \Exception $exception): Response {
-		for($i=$this->middlewareCounter-1; $i>=0; $i--){
+		for ($i = $this->middlewareCounter - 1; $i >= 0; $i--) {
 			$middleware = $this->middlewares[$i];
 			try {
 				return $middleware->afterException($controller, $methodName, $exception);
-			} catch(\Exception $exception){
+			} catch (\Exception $exception) {
 				continue;
 			}
 		}
@@ -138,7 +138,7 @@ 
 	 * @return Response a Response object
 	 */
 	public function afterController(Controller $controller, string $methodName, Response $response): Response {
-		for($i= \count($this->middlewares)-1; $i>=0; $i--){
+		for ($i = \count($this->middlewares) - 1; $i >= 0; $i--) {
 			$middleware = $this->middlewares[$i];
 			$response = $middleware->afterController($controller, $methodName, $response);
 		}
@@ -157,7 +157,7 @@ 
 	 * @return string the output that should be printed
 	 */
 	public function beforeOutput(Controller $controller, string $methodName, string $output): string {
-		for($i= \count($this->middlewares)-1; $i>=0; $i--){
+		for ($i = \count($this->middlewares) - 1; $i >= 0; $i--) {
 			$middleware = $this->middlewares[$i];
 			$output = $middleware->beforeOutput($controller, $methodName, $output);
 		}