nextcloud / server

lib/private/Files/Storage/LocalTempFileTrait.php

Indentation +38 added lines, -38 removed lines

@@ -37,45 +37,45 @@
  */
 trait LocalTempFileTrait {
 
-	/** @var string[] */
-	protected $cachedFiles = [];
+    /** @var string[] */
+    protected $cachedFiles = [];
 
-	/**
-	 * @param string $path
-	 * @return string
-	 */
-	protected function getCachedFile($path) {
-		if (!isset($this->cachedFiles[$path])) {
-			$this->cachedFiles[$path] = $this->toTmpFile($path);
-		}
-		return $this->cachedFiles[$path];
-	}
+    /**
+     * @param string $path
+     * @return string
+     */
+    protected function getCachedFile($path) {
+        if (!isset($this->cachedFiles[$path])) {
+            $this->cachedFiles[$path] = $this->toTmpFile($path);
+        }
+        return $this->cachedFiles[$path];
+    }
 
-	/**
-	 * @param string $path
-	 */
-	protected function removeCachedFile($path) {
-		unset($this->cachedFiles[$path]);
-	}
+    /**
+     * @param string $path
+     */
+    protected function removeCachedFile($path) {
+        unset($this->cachedFiles[$path]);
+    }
 
-	/**
-	 * @param string $path
-	 * @return string
-	 */
-	protected function toTmpFile($path) { //no longer in the storage api, still useful here
-		$source = $this->fopen($path, 'r');
-		if (!$source) {
-			return false;
-		}
-		if ($pos = strrpos($path, '.')) {
-			$extension = substr($path, $pos);
-		} else {
-			$extension = '';
-		}
-		$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($extension);
-		$target = fopen($tmpFile, 'w');
-		\OC_Helper::streamCopy($source, $target);
-		fclose($target);
-		return $tmpFile;
-	}
+    /**
+     * @param string $path
+     * @return string
+     */
+    protected function toTmpFile($path) { //no longer in the storage api, still useful here
+        $source = $this->fopen($path, 'r');
+        if (!$source) {
+            return false;
+        }
+        if ($pos = strrpos($path, '.')) {
+            $extension = substr($path, $pos);
+        } else {
+            $extension = '';
+        }
+        $tmpFile = \OC::$server->getTempManager()->getTemporaryFile($extension);
+        $target = fopen($tmpFile, 'w');
+        \OC_Helper::streamCopy($source, $target);
+        fclose($target);
+        return $tmpFile;
+    }
 }

lib/private/Files/Storage/Common.php

Braces +3 added lines, -1 removed lines

@@ -289,7 +289,9 @@
 		$dh = $this->opendir($dir);
 		if (is_resource($dh)) {
 			while (($item = readdir($dh)) !== false) {
-				if (\OC\Files\Filesystem::isIgnoredDir($item)) continue;
+				if (\OC\Files\Filesystem::isIgnoredDir($item)) {
+				    continue;
+				}
 				if (strstr(strtolower($item), strtolower($query)) !== false) {
 					$files[] = $dir . '/' . $item;
 				}

Spacing +18 added lines, -18 removed lines

@@ -220,7 +220,7 @@ 
 			$this->mkdir($path2);
 			while ($file = readdir($dir)) {
 				if (!Filesystem::isIgnoredDir($file)) {
-					if (!$this->copy($path1 . '/' . $file, $path2 . '/' . $file)) {
+					if (!$this->copy($path1.'/'.$file, $path2.'/'.$file)) {
 						return false;
 					}
 				}
@@ -274,12 +274,12 @@ 
 		if (is_resource($dh)) {
 			while (($file = readdir($dh)) !== false) {
 				if (!\OC\Files\Filesystem::isIgnoredDir($file)) {
-					if ($this->is_dir($path . '/' . $file)) {
-						mkdir($target . '/' . $file);
-						$this->addLocalFolder($path . '/' . $file, $target . '/' . $file);
+					if ($this->is_dir($path.'/'.$file)) {
+						mkdir($target.'/'.$file);
+						$this->addLocalFolder($path.'/'.$file, $target.'/'.$file);
 					} else {
-						$tmp = $this->toTmpFile($path . '/' . $file);
-						rename($tmp, $target . '/' . $file);
+						$tmp = $this->toTmpFile($path.'/'.$file);
+						rename($tmp, $target.'/'.$file);
 					}
 				}
 			}
@@ -298,10 +298,10 @@ 
 			while (($item = readdir($dh)) !== false) {
 				if (\OC\Files\Filesystem::isIgnoredDir($item)) continue;
 				if (strstr(strtolower($item), strtolower($query)) !== false) {
-					$files[] = $dir . '/' . $item;
+					$files[] = $dir.'/'.$item;
 				}
-				if ($this->is_dir($dir . '/' . $item)) {
-					$files = array_merge($files, $this->searchInDir($query, $dir . '/' . $item));
+				if ($this->is_dir($dir.'/'.$item)) {
+					$files = array_merge($files, $this->searchInDir($query, $dir.'/'.$item));
 				}
 			}
 		}
@@ -352,7 +352,7 @@ 
 		if (!isset($this->watcher)) {
 			$this->watcher = new Watcher($storage);
 			$globalPolicy = \OC::$server->getConfig()->getSystemValue('filesystem_check_changes', Watcher::CHECK_NEVER);
-			$this->watcher->setPolicy((int)$this->getMountOption('filesystem_check_changes', $globalPolicy));
+			$this->watcher->setPolicy((int) $this->getMountOption('filesystem_check_changes', $globalPolicy));
 		}
 		return $this->watcher;
 	}
@@ -369,7 +369,7 @@ 
 		}
 		if (!isset($storage->propagator)) {
 			$config = \OC::$server->getSystemConfig();
-			$storage->propagator = new Propagator($storage, \OC::$server->getDatabaseConnection(), ['appdata_' . $config->getValue('instanceid')]);
+			$storage->propagator = new Propagator($storage, \OC::$server->getDatabaseConnection(), ['appdata_'.$config->getValue('instanceid')]);
 		}
 		return $storage->propagator;
 	}
@@ -427,7 +427,7 @@ 
 	 */
 	public function cleanPath($path) {
 		if (strlen($path) == 0 or $path[0] != '/') {
-			$path = '/' . $path;
+			$path = '/'.$path;
 		}
 
 		$output = array();
@@ -455,7 +455,7 @@ 
 			\OC::$server->getLogger()->info("External storage not available: stat() failed");
 			return false;
 		} catch (\Exception $e) {
-			\OC::$server->getLogger()->info("External storage not available: " . $e->getMessage());
+			\OC::$server->getLogger()->info("External storage not available: ".$e->getMessage());
 			\OC::$server->getLogger()->logException($e, ['level' => ILogger::DEBUG]);
 			return false;
 		}
@@ -606,7 +606,7 @@ 
 			if (is_resource($dh)) {
 				while ($result and ($file = readdir($dh)) !== false) {
 					if (!Filesystem::isIgnoredDir($file)) {
-						$result &= $this->copyFromStorage($sourceStorage, $sourceInternalPath . '/' . $file, $targetInternalPath . '/' . $file);
+						$result &= $this->copyFromStorage($sourceStorage, $sourceInternalPath.'/'.$file, $targetInternalPath.'/'.$file);
 					}
 				}
 			}
@@ -632,7 +632,7 @@ 
 				$this->getCache()->remove($targetInternalPath);
 			}
 		}
-		return (bool)$result;
+		return (bool) $result;
 	}
 
 	/**
@@ -712,7 +712,7 @@ 
 			);
 		}
 		try {
-			$provider->acquireLock('files/' . md5($this->getId() . '::' . trim($path, '/')), $type);
+			$provider->acquireLock('files/'.md5($this->getId().'::'.trim($path, '/')), $type);
 		} catch (LockedException $e) {
 			if ($logger) {
 				$logger->logException($e, ['level' => ILogger::INFO]);
@@ -744,7 +744,7 @@ 
 			);
 		}
 		try {
-			$provider->releaseLock('files/' . md5($this->getId() . '::' . trim($path, '/')), $type);
+			$provider->releaseLock('files/'.md5($this->getId().'::'.trim($path, '/')), $type);
 		} catch (LockedException $e) {
 			if ($logger) {
 				$logger->logException($e, ['level' => ILogger::INFO]);
@@ -776,7 +776,7 @@ 
 			);
 		}
 		try {
-			$provider->changeLock('files/' . md5($this->getId() . '::' . trim($path, '/')), $type);
+			$provider->changeLock('files/'.md5($this->getId().'::'.trim($path, '/')), $type);
 		} catch (LockedException $e) {
 			\OC::$server->getLogger()->logException($e, ['level' => ILogger::INFO]);
 			throw $e;

Indentation +780 added lines, -780 removed lines

@@ -74,788 +74,788 @@
  */
 abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage {
 
-	use LocalTempFileTrait;
-
-	protected $cache;
-	protected $scanner;
-	protected $watcher;
-	protected $propagator;
-	protected $storageCache;
-	protected $updater;
-
-	protected $mountOptions = [];
-	protected $owner = null;
-
-	private $shouldLogLocks = null;
-	private $logger;
-
-	public function __construct($parameters) {
-	}
-
-	/**
-	 * Remove a file or folder
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	protected function remove($path) {
-		if ($this->is_dir($path)) {
-			return $this->rmdir($path);
-		} else if ($this->is_file($path)) {
-			return $this->unlink($path);
-		} else {
-			return false;
-		}
-	}
-
-	public function is_dir($path) {
-		return $this->filetype($path) === 'dir';
-	}
-
-	public function is_file($path) {
-		return $this->filetype($path) === 'file';
-	}
-
-	public function filesize($path) {
-		if ($this->is_dir($path)) {
-			return 0; //by definition
-		} else {
-			$stat = $this->stat($path);
-			if (isset($stat['size'])) {
-				return $stat['size'];
-			} else {
-				return 0;
-			}
-		}
-	}
-
-	public function isReadable($path) {
-		// at least check whether it exists
-		// subclasses might want to implement this more thoroughly
-		return $this->file_exists($path);
-	}
-
-	public function isUpdatable($path) {
-		// at least check whether it exists
-		// subclasses might want to implement this more thoroughly
-		// a non-existing file/folder isn't updatable
-		return $this->file_exists($path);
-	}
-
-	public function isCreatable($path) {
-		if ($this->is_dir($path) && $this->isUpdatable($path)) {
-			return true;
-		}
-		return false;
-	}
-
-	public function isDeletable($path) {
-		if ($path === '' || $path === '/') {
-			return false;
-		}
-		$parent = dirname($path);
-		return $this->isUpdatable($parent) && $this->isUpdatable($path);
-	}
-
-	public function isSharable($path) {
-		return $this->isReadable($path);
-	}
-
-	public function getPermissions($path) {
-		$permissions = 0;
-		if ($this->isCreatable($path)) {
-			$permissions |= \OCP\Constants::PERMISSION_CREATE;
-		}
-		if ($this->isReadable($path)) {
-			$permissions |= \OCP\Constants::PERMISSION_READ;
-		}
-		if ($this->isUpdatable($path)) {
-			$permissions |= \OCP\Constants::PERMISSION_UPDATE;
-		}
-		if ($this->isDeletable($path)) {
-			$permissions |= \OCP\Constants::PERMISSION_DELETE;
-		}
-		if ($this->isSharable($path)) {
-			$permissions |= \OCP\Constants::PERMISSION_SHARE;
-		}
-		return $permissions;
-	}
-
-	public function filemtime($path) {
-		$stat = $this->stat($path);
-		if (isset($stat['mtime']) && $stat['mtime'] > 0) {
-			return $stat['mtime'];
-		} else {
-			return 0;
-		}
-	}
-
-	public function file_get_contents($path) {
-		$handle = $this->fopen($path, "r");
-		if (!$handle) {
-			return false;
-		}
-		$data = stream_get_contents($handle);
-		fclose($handle);
-		return $data;
-	}
-
-	public function file_put_contents($path, $data) {
-		$handle = $this->fopen($path, "w");
-		$this->removeCachedFile($path);
-		$count = fwrite($handle, $data);
-		fclose($handle);
-		return $count;
-	}
-
-	public function rename($path1, $path2) {
-		$this->remove($path2);
-
-		$this->removeCachedFile($path1);
-		return $this->copy($path1, $path2) and $this->remove($path1);
-	}
-
-	public function copy($path1, $path2) {
-		if ($this->is_dir($path1)) {
-			$this->remove($path2);
-			$dir = $this->opendir($path1);
-			$this->mkdir($path2);
-			while ($file = readdir($dir)) {
-				if (!Filesystem::isIgnoredDir($file)) {
-					if (!$this->copy($path1 . '/' . $file, $path2 . '/' . $file)) {
-						return false;
-					}
-				}
-			}
-			closedir($dir);
-			return true;
-		} else {
-			$source = $this->fopen($path1, 'r');
-			$target = $this->fopen($path2, 'w');
-			list(, $result) = \OC_Helper::streamCopy($source, $target);
-			if (!$result) {
-				\OC::$server->getLogger()->warning("Failed to write data while copying $path1 to $path2");
-			}
-			$this->removeCachedFile($path2);
-			return $result;
-		}
-	}
-
-	public function getMimeType($path) {
-		if ($this->is_dir($path)) {
-			return 'httpd/unix-directory';
-		} elseif ($this->file_exists($path)) {
-			return \OC::$server->getMimeTypeDetector()->detectPath($path);
-		} else {
-			return false;
-		}
-	}
-
-	public function hash($type, $path, $raw = false) {
-		$fh = $this->fopen($path, 'rb');
-		$ctx = hash_init($type);
-		hash_update_stream($ctx, $fh);
-		fclose($fh);
-		return hash_final($ctx, $raw);
-	}
-
-	public function search($query) {
-		return $this->searchInDir($query);
-	}
-
-	public function getLocalFile($path) {
-		return $this->getCachedFile($path);
-	}
-
-	/**
-	 * @param string $path
-	 * @param string $target
-	 */
-	private function addLocalFolder($path, $target) {
-		$dh = $this->opendir($path);
-		if (is_resource($dh)) {
-			while (($file = readdir($dh)) !== false) {
-				if (!\OC\Files\Filesystem::isIgnoredDir($file)) {
-					if ($this->is_dir($path . '/' . $file)) {
-						mkdir($target . '/' . $file);
-						$this->addLocalFolder($path . '/' . $file, $target . '/' . $file);
-					} else {
-						$tmp = $this->toTmpFile($path . '/' . $file);
-						rename($tmp, $target . '/' . $file);
-					}
-				}
-			}
-		}
-	}
-
-	/**
-	 * @param string $query
-	 * @param string $dir
-	 * @return array
-	 */
-	protected function searchInDir($query, $dir = '') {
-		$files = array();
-		$dh = $this->opendir($dir);
-		if (is_resource($dh)) {
-			while (($item = readdir($dh)) !== false) {
-				if (\OC\Files\Filesystem::isIgnoredDir($item)) continue;
-				if (strstr(strtolower($item), strtolower($query)) !== false) {
-					$files[] = $dir . '/' . $item;
-				}
-				if ($this->is_dir($dir . '/' . $item)) {
-					$files = array_merge($files, $this->searchInDir($query, $dir . '/' . $item));
-				}
-			}
-		}
-		closedir($dh);
-		return $files;
-	}
-
-	/**
-	 * check if a file or folder has been updated since $time
-	 *
-	 * The method is only used to check if the cache needs to be updated. Storage backends that don't support checking
-	 * the mtime should always return false here. As a result storage implementations that always return false expect
-	 * exclusive access to the backend and will not pick up files that have been added in a way that circumvents
-	 * ownClouds filesystem.
-	 *
-	 * @param string $path
-	 * @param int $time
-	 * @return bool
-	 */
-	public function hasUpdated($path, $time) {
-		return $this->filemtime($path) > $time;
-	}
-
-	public function getCache($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($storage->cache)) {
-			$storage->cache = new Cache($storage);
-		}
-		return $storage->cache;
-	}
-
-	public function getScanner($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($storage->scanner)) {
-			$storage->scanner = new Scanner($storage);
-		}
-		return $storage->scanner;
-	}
-
-	public function getWatcher($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($this->watcher)) {
-			$this->watcher = new Watcher($storage);
-			$globalPolicy = \OC::$server->getConfig()->getSystemValue('filesystem_check_changes', Watcher::CHECK_NEVER);
-			$this->watcher->setPolicy((int)$this->getMountOption('filesystem_check_changes', $globalPolicy));
-		}
-		return $this->watcher;
-	}
-
-	/**
-	 * get a propagator instance for the cache
-	 *
-	 * @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
-	 * @return \OC\Files\Cache\Propagator
-	 */
-	public function getPropagator($storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($storage->propagator)) {
-			$config = \OC::$server->getSystemConfig();
-			$storage->propagator = new Propagator($storage, \OC::$server->getDatabaseConnection(), ['appdata_' . $config->getValue('instanceid')]);
-		}
-		return $storage->propagator;
-	}
-
-	public function getUpdater($storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($storage->updater)) {
-			$storage->updater = new Updater($storage);
-		}
-		return $storage->updater;
-	}
-
-	public function getStorageCache($storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($this->storageCache)) {
-			$this->storageCache = new \OC\Files\Cache\Storage($storage);
-		}
-		return $this->storageCache;
-	}
-
-	/**
-	 * get the owner of a path
-	 *
-	 * @param string $path The path to get the owner
-	 * @return string|false uid or false
-	 */
-	public function getOwner($path) {
-		if ($this->owner === null) {
-			$this->owner = \OC_User::getUser();
-		}
-
-		return $this->owner;
-	}
-
-	/**
-	 * get the ETag for a file or folder
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getETag($path) {
-		return uniqid();
-	}
-
-	/**
-	 * clean a path, i.e. remove all redundant '.' and '..'
-	 * making sure that it can't point to higher than '/'
-	 *
-	 * @param string $path The path to clean
-	 * @return string cleaned path
-	 */
-	public function cleanPath($path) {
-		if (strlen($path) == 0 or $path[0] != '/') {
-			$path = '/' . $path;
-		}
-
-		$output = array();
-		foreach (explode('/', $path) as $chunk) {
-			if ($chunk == '..') {
-				array_pop($output);
-			} else if ($chunk == '.') {
-			} else {
-				$output[] = $chunk;
-			}
-		}
-		return implode('/', $output);
-	}
-
-	/**
-	 * Test a storage for availability
-	 *
-	 * @return bool
-	 */
-	public function test() {
-		try {
-			if ($this->stat('')) {
-				return true;
-			}
-			\OC::$server->getLogger()->info("External storage not available: stat() failed");
-			return false;
-		} catch (\Exception $e) {
-			\OC::$server->getLogger()->info("External storage not available: " . $e->getMessage());
-			\OC::$server->getLogger()->logException($e, ['level' => ILogger::DEBUG]);
-			return false;
-		}
-	}
-
-	/**
-	 * get the free space in the storage
-	 *
-	 * @param string $path
-	 * @return int|false
-	 */
-	public function free_space($path) {
-		return \OCP\Files\FileInfo::SPACE_UNKNOWN;
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function isLocal() {
-		// the common implementation returns a temporary file by
-		// default, which is not local
-		return false;
-	}
-
-	/**
-	 * Check if the storage is an instance of $class or is a wrapper for a storage that is an instance of $class
-	 *
-	 * @param string $class
-	 * @return bool
-	 */
-	public function instanceOfStorage($class) {
-		if (ltrim($class, '\\') === 'OC\Files\Storage\Shared') {
-			// FIXME Temporary fix to keep existing checks working
-			$class = '\OCA\Files_Sharing\SharedStorage';
-		}
-		return is_a($this, $class);
-	}
-
-	/**
-	 * A custom storage implementation can return an url for direct download of a give file.
-	 *
-	 * For now the returned array can hold the parameter url - in future more attributes might follow.
-	 *
-	 * @param string $path
-	 * @return array|false
-	 */
-	public function getDirectDownload($path) {
-		return [];
-	}
-
-	/**
-	 * @inheritdoc
-	 * @throws InvalidPathException
-	 */
-	public function verifyPath($path, $fileName) {
-
-		// verify empty and dot files
-		$trimmed = trim($fileName);
-		if ($trimmed === '') {
-			throw new EmptyFileNameException();
-		}
-
-		if (\OC\Files\Filesystem::isIgnoredDir($trimmed)) {
-			throw new InvalidDirectoryException();
-		}
-
-		if (!\OC::$server->getDatabaseConnection()->supports4ByteText()) {
-			// verify database - e.g. mysql only 3-byte chars
-			if (preg_match('%(?:
+    use LocalTempFileTrait;
+
+    protected $cache;
+    protected $scanner;
+    protected $watcher;
+    protected $propagator;
+    protected $storageCache;
+    protected $updater;
+
+    protected $mountOptions = [];
+    protected $owner = null;
+
+    private $shouldLogLocks = null;
+    private $logger;
+
+    public function __construct($parameters) {
+    }
+
+    /**
+     * Remove a file or folder
+     *
+     * @param string $path
+     * @return bool
+     */
+    protected function remove($path) {
+        if ($this->is_dir($path)) {
+            return $this->rmdir($path);
+        } else if ($this->is_file($path)) {
+            return $this->unlink($path);
+        } else {
+            return false;
+        }
+    }
+
+    public function is_dir($path) {
+        return $this->filetype($path) === 'dir';
+    }
+
+    public function is_file($path) {
+        return $this->filetype($path) === 'file';
+    }
+
+    public function filesize($path) {
+        if ($this->is_dir($path)) {
+            return 0; //by definition
+        } else {
+            $stat = $this->stat($path);
+            if (isset($stat['size'])) {
+                return $stat['size'];
+            } else {
+                return 0;
+            }
+        }
+    }
+
+    public function isReadable($path) {
+        // at least check whether it exists
+        // subclasses might want to implement this more thoroughly
+        return $this->file_exists($path);
+    }
+
+    public function isUpdatable($path) {
+        // at least check whether it exists
+        // subclasses might want to implement this more thoroughly
+        // a non-existing file/folder isn't updatable
+        return $this->file_exists($path);
+    }
+
+    public function isCreatable($path) {
+        if ($this->is_dir($path) && $this->isUpdatable($path)) {
+            return true;
+        }
+        return false;
+    }
+
+    public function isDeletable($path) {
+        if ($path === '' || $path === '/') {
+            return false;
+        }
+        $parent = dirname($path);
+        return $this->isUpdatable($parent) && $this->isUpdatable($path);
+    }
+
+    public function isSharable($path) {
+        return $this->isReadable($path);
+    }
+
+    public function getPermissions($path) {
+        $permissions = 0;
+        if ($this->isCreatable($path)) {
+            $permissions |= \OCP\Constants::PERMISSION_CREATE;
+        }
+        if ($this->isReadable($path)) {
+            $permissions |= \OCP\Constants::PERMISSION_READ;
+        }
+        if ($this->isUpdatable($path)) {
+            $permissions |= \OCP\Constants::PERMISSION_UPDATE;
+        }
+        if ($this->isDeletable($path)) {
+            $permissions |= \OCP\Constants::PERMISSION_DELETE;
+        }
+        if ($this->isSharable($path)) {
+            $permissions |= \OCP\Constants::PERMISSION_SHARE;
+        }
+        return $permissions;
+    }
+
+    public function filemtime($path) {
+        $stat = $this->stat($path);
+        if (isset($stat['mtime']) && $stat['mtime'] > 0) {
+            return $stat['mtime'];
+        } else {
+            return 0;
+        }
+    }
+
+    public function file_get_contents($path) {
+        $handle = $this->fopen($path, "r");
+        if (!$handle) {
+            return false;
+        }
+        $data = stream_get_contents($handle);
+        fclose($handle);
+        return $data;
+    }
+
+    public function file_put_contents($path, $data) {
+        $handle = $this->fopen($path, "w");
+        $this->removeCachedFile($path);
+        $count = fwrite($handle, $data);
+        fclose($handle);
+        return $count;
+    }
+
+    public function rename($path1, $path2) {
+        $this->remove($path2);
+
+        $this->removeCachedFile($path1);
+        return $this->copy($path1, $path2) and $this->remove($path1);
+    }
+
+    public function copy($path1, $path2) {
+        if ($this->is_dir($path1)) {
+            $this->remove($path2);
+            $dir = $this->opendir($path1);
+            $this->mkdir($path2);
+            while ($file = readdir($dir)) {
+                if (!Filesystem::isIgnoredDir($file)) {
+                    if (!$this->copy($path1 . '/' . $file, $path2 . '/' . $file)) {
+                        return false;
+                    }
+                }
+            }
+            closedir($dir);
+            return true;
+        } else {
+            $source = $this->fopen($path1, 'r');
+            $target = $this->fopen($path2, 'w');
+            list(, $result) = \OC_Helper::streamCopy($source, $target);
+            if (!$result) {
+                \OC::$server->getLogger()->warning("Failed to write data while copying $path1 to $path2");
+            }
+            $this->removeCachedFile($path2);
+            return $result;
+        }
+    }
+
+    public function getMimeType($path) {
+        if ($this->is_dir($path)) {
+            return 'httpd/unix-directory';
+        } elseif ($this->file_exists($path)) {
+            return \OC::$server->getMimeTypeDetector()->detectPath($path);
+        } else {
+            return false;
+        }
+    }
+
+    public function hash($type, $path, $raw = false) {
+        $fh = $this->fopen($path, 'rb');
+        $ctx = hash_init($type);
+        hash_update_stream($ctx, $fh);
+        fclose($fh);
+        return hash_final($ctx, $raw);
+    }
+
+    public function search($query) {
+        return $this->searchInDir($query);
+    }
+
+    public function getLocalFile($path) {
+        return $this->getCachedFile($path);
+    }
+
+    /**
+     * @param string $path
+     * @param string $target
+     */
+    private function addLocalFolder($path, $target) {
+        $dh = $this->opendir($path);
+        if (is_resource($dh)) {
+            while (($file = readdir($dh)) !== false) {
+                if (!\OC\Files\Filesystem::isIgnoredDir($file)) {
+                    if ($this->is_dir($path . '/' . $file)) {
+                        mkdir($target . '/' . $file);
+                        $this->addLocalFolder($path . '/' . $file, $target . '/' . $file);
+                    } else {
+                        $tmp = $this->toTmpFile($path . '/' . $file);
+                        rename($tmp, $target . '/' . $file);
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * @param string $query
+     * @param string $dir
+     * @return array
+     */
+    protected function searchInDir($query, $dir = '') {
+        $files = array();
+        $dh = $this->opendir($dir);
+        if (is_resource($dh)) {
+            while (($item = readdir($dh)) !== false) {
+                if (\OC\Files\Filesystem::isIgnoredDir($item)) continue;
+                if (strstr(strtolower($item), strtolower($query)) !== false) {
+                    $files[] = $dir . '/' . $item;
+                }
+                if ($this->is_dir($dir . '/' . $item)) {
+                    $files = array_merge($files, $this->searchInDir($query, $dir . '/' . $item));
+                }
+            }
+        }
+        closedir($dh);
+        return $files;
+    }
+
+    /**
+     * check if a file or folder has been updated since $time
+     *
+     * The method is only used to check if the cache needs to be updated. Storage backends that don't support checking
+     * the mtime should always return false here. As a result storage implementations that always return false expect
+     * exclusive access to the backend and will not pick up files that have been added in a way that circumvents
+     * ownClouds filesystem.
+     *
+     * @param string $path
+     * @param int $time
+     * @return bool
+     */
+    public function hasUpdated($path, $time) {
+        return $this->filemtime($path) > $time;
+    }
+
+    public function getCache($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($storage->cache)) {
+            $storage->cache = new Cache($storage);
+        }
+        return $storage->cache;
+    }
+
+    public function getScanner($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($storage->scanner)) {
+            $storage->scanner = new Scanner($storage);
+        }
+        return $storage->scanner;
+    }
+
+    public function getWatcher($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($this->watcher)) {
+            $this->watcher = new Watcher($storage);
+            $globalPolicy = \OC::$server->getConfig()->getSystemValue('filesystem_check_changes', Watcher::CHECK_NEVER);
+            $this->watcher->setPolicy((int)$this->getMountOption('filesystem_check_changes', $globalPolicy));
+        }
+        return $this->watcher;
+    }
+
+    /**
+     * get a propagator instance for the cache
+     *
+     * @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
+     * @return \OC\Files\Cache\Propagator
+     */
+    public function getPropagator($storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($storage->propagator)) {
+            $config = \OC::$server->getSystemConfig();
+            $storage->propagator = new Propagator($storage, \OC::$server->getDatabaseConnection(), ['appdata_' . $config->getValue('instanceid')]);
+        }
+        return $storage->propagator;
+    }
+
+    public function getUpdater($storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($storage->updater)) {
+            $storage->updater = new Updater($storage);
+        }
+        return $storage->updater;
+    }
+
+    public function getStorageCache($storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($this->storageCache)) {
+            $this->storageCache = new \OC\Files\Cache\Storage($storage);
+        }
+        return $this->storageCache;
+    }
+
+    /**
+     * get the owner of a path
+     *
+     * @param string $path The path to get the owner
+     * @return string|false uid or false
+     */
+    public function getOwner($path) {
+        if ($this->owner === null) {
+            $this->owner = \OC_User::getUser();
+        }
+
+        return $this->owner;
+    }
+
+    /**
+     * get the ETag for a file or folder
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getETag($path) {
+        return uniqid();
+    }
+
+    /**
+     * clean a path, i.e. remove all redundant '.' and '..'
+     * making sure that it can't point to higher than '/'
+     *
+     * @param string $path The path to clean
+     * @return string cleaned path
+     */
+    public function cleanPath($path) {
+        if (strlen($path) == 0 or $path[0] != '/') {
+            $path = '/' . $path;
+        }
+
+        $output = array();
+        foreach (explode('/', $path) as $chunk) {
+            if ($chunk == '..') {
+                array_pop($output);
+            } else if ($chunk == '.') {
+            } else {
+                $output[] = $chunk;
+            }
+        }
+        return implode('/', $output);
+    }
+
+    /**
+     * Test a storage for availability
+     *
+     * @return bool
+     */
+    public function test() {
+        try {
+            if ($this->stat('')) {
+                return true;
+            }
+            \OC::$server->getLogger()->info("External storage not available: stat() failed");
+            return false;
+        } catch (\Exception $e) {
+            \OC::$server->getLogger()->info("External storage not available: " . $e->getMessage());
+            \OC::$server->getLogger()->logException($e, ['level' => ILogger::DEBUG]);
+            return false;
+        }
+    }
+
+    /**
+     * get the free space in the storage
+     *
+     * @param string $path
+     * @return int|false
+     */
+    public function free_space($path) {
+        return \OCP\Files\FileInfo::SPACE_UNKNOWN;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isLocal() {
+        // the common implementation returns a temporary file by
+        // default, which is not local
+        return false;
+    }
+
+    /**
+     * Check if the storage is an instance of $class or is a wrapper for a storage that is an instance of $class
+     *
+     * @param string $class
+     * @return bool
+     */
+    public function instanceOfStorage($class) {
+        if (ltrim($class, '\\') === 'OC\Files\Storage\Shared') {
+            // FIXME Temporary fix to keep existing checks working
+            $class = '\OCA\Files_Sharing\SharedStorage';
+        }
+        return is_a($this, $class);
+    }
+
+    /**
+     * A custom storage implementation can return an url for direct download of a give file.
+     *
+     * For now the returned array can hold the parameter url - in future more attributes might follow.
+     *
+     * @param string $path
+     * @return array|false
+     */
+    public function getDirectDownload($path) {
+        return [];
+    }
+
+    /**
+     * @inheritdoc
+     * @throws InvalidPathException
+     */
+    public function verifyPath($path, $fileName) {
+
+        // verify empty and dot files
+        $trimmed = trim($fileName);
+        if ($trimmed === '') {
+            throw new EmptyFileNameException();
+        }
+
+        if (\OC\Files\Filesystem::isIgnoredDir($trimmed)) {
+            throw new InvalidDirectoryException();
+        }
+
+        if (!\OC::$server->getDatabaseConnection()->supports4ByteText()) {
+            // verify database - e.g. mysql only 3-byte chars
+            if (preg_match('%(?:
       \xF0[\x90-\xBF][\x80-\xBF]{2}      # planes 1-3
     | [\xF1-\xF3][\x80-\xBF]{3}          # planes 4-15
     | \xF4[\x80-\x8F][\x80-\xBF]{2}      # plane 16
 )%xs', $fileName)) {
-				throw new InvalidCharacterInPathException();
-			}
-		}
-
-		if (isset($fileName[255])) {
-			throw new FileNameTooLongException();
-		}
-
-		// NOTE: $path will remain unverified for now
-		$this->verifyPosixPath($fileName);
-	}
-
-	/**
-	 * @param string $fileName
-	 * @throws InvalidPathException
-	 */
-	protected function verifyPosixPath($fileName) {
-		$fileName = trim($fileName);
-		$this->scanForInvalidCharacters($fileName, "\\/");
-		$reservedNames = ['*'];
-		if (in_array($fileName, $reservedNames)) {
-			throw new ReservedWordException();
-		}
-	}
-
-	/**
-	 * @param string $fileName
-	 * @param string $invalidChars
-	 * @throws InvalidPathException
-	 */
-	private function scanForInvalidCharacters($fileName, $invalidChars) {
-		foreach (str_split($invalidChars) as $char) {
-			if (strpos($fileName, $char) !== false) {
-				throw new InvalidCharacterInPathException();
-			}
-		}
-
-		$sanitizedFileName = filter_var($fileName, FILTER_UNSAFE_RAW, FILTER_FLAG_STRIP_LOW);
-		if ($sanitizedFileName !== $fileName) {
-			throw new InvalidCharacterInPathException();
-		}
-	}
-
-	/**
-	 * @param array $options
-	 */
-	public function setMountOptions(array $options) {
-		$this->mountOptions = $options;
-	}
-
-	/**
-	 * @param string $name
-	 * @param mixed $default
-	 * @return mixed
-	 */
-	public function getMountOption($name, $default = null) {
-		return isset($this->mountOptions[$name]) ? $this->mountOptions[$name] : $default;
-	}
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @param bool $preserveMtime
-	 * @return bool
-	 */
-	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) {
-		if ($sourceStorage === $this) {
-			return $this->copy($sourceInternalPath, $targetInternalPath);
-		}
-
-		if ($sourceStorage->is_dir($sourceInternalPath)) {
-			$dh = $sourceStorage->opendir($sourceInternalPath);
-			$result = $this->mkdir($targetInternalPath);
-			if (is_resource($dh)) {
-				while ($result and ($file = readdir($dh)) !== false) {
-					if (!Filesystem::isIgnoredDir($file)) {
-						$result &= $this->copyFromStorage($sourceStorage, $sourceInternalPath . '/' . $file, $targetInternalPath . '/' . $file);
-					}
-				}
-			}
-		} else {
-			$source = $sourceStorage->fopen($sourceInternalPath, 'r');
-			// TODO: call fopen in a way that we execute again all storage wrappers
-			// to avoid that we bypass storage wrappers which perform important actions
-			// for this operation. Same is true for all other operations which
-			// are not the same as the original one.Once this is fixed we also
-			// need to adjust the encryption wrapper.
-			$target = $this->fopen($targetInternalPath, 'w');
-			list(, $result) = \OC_Helper::streamCopy($source, $target);
-			if ($result and $preserveMtime) {
-				$this->touch($targetInternalPath, $sourceStorage->filemtime($sourceInternalPath));
-			}
-			fclose($source);
-			fclose($target);
-
-			if (!$result) {
-				// delete partially written target file
-				$this->unlink($targetInternalPath);
-				// delete cache entry that was created by fopen
-				$this->getCache()->remove($targetInternalPath);
-			}
-		}
-		return (bool)$result;
-	}
-
-	/**
-	 * Check if a storage is the same as the current one, including wrapped storages
-	 *
-	 * @param IStorage $storage
-	 * @return bool
-	 */
-	private function isSameStorage(IStorage $storage): bool {
-		while ($storage->instanceOfStorage(Wrapper::class)) {
-			/**
-			 * @var Wrapper $sourceStorage
-			 */
-			$storage = $storage->getWrapperStorage();
-		}
-
-		return $storage === $this;
-	}
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 */
-	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
-		if ($this->isSameStorage($sourceStorage)) {
-			// resolve any jailed paths
-			while ($sourceStorage->instanceOfStorage(Jail::class)) {
-				/**
-				 * @var Jail $sourceStorage
-				 */
-				$sourceInternalPath = $sourceStorage->getUnjailedPath($sourceInternalPath);
-				$sourceStorage = $sourceStorage->getUnjailedStorage();
-			}
-
-			return $this->rename($sourceInternalPath, $targetInternalPath);
-		}
-
-		if (!$sourceStorage->isDeletable($sourceInternalPath)) {
-			return false;
-		}
-
-		$result = $this->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath, true);
-		if ($result) {
-			if ($sourceStorage->is_dir($sourceInternalPath)) {
-				$result &= $sourceStorage->rmdir($sourceInternalPath);
-			} else {
-				$result &= $sourceStorage->unlink($sourceInternalPath);
-			}
-		}
-		return $result;
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function getMetaData($path) {
-		$permissions = $this->getPermissions($path);
-		if (!$permissions & \OCP\Constants::PERMISSION_READ) {
-			//can't read, nothing we can do
-			return null;
-		}
-
-		$data = [];
-		$data['mimetype'] = $this->getMimeType($path);
-		$data['mtime'] = $this->filemtime($path);
-		if ($data['mtime'] === false) {
-			$data['mtime'] = time();
-		}
-		if ($data['mimetype'] == 'httpd/unix-directory') {
-			$data['size'] = -1; //unknown
-		} else {
-			$data['size'] = $this->filesize($path);
-		}
-		$data['etag'] = $this->getETag($path);
-		$data['storage_mtime'] = $data['mtime'];
-		$data['permissions'] = $permissions;
-
-		return $data;
-	}
-
-	/**
-	 * @param string $path
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param \OCP\Lock\ILockingProvider $provider
-	 * @throws \OCP\Lock\LockedException
-	 */
-	public function acquireLock($path, $type, ILockingProvider $provider) {
-		$logger = $this->getLockLogger();
-		if ($logger) {
-			$typeString = ($type === ILockingProvider::LOCK_SHARED) ? 'shared' : 'exclusive';
-			$logger->info(
-				sprintf(
-					'acquire %s lock on "%s" on storage "%s"',
-					$typeString,
-					$path,
-					$this->getId()
-				),
-				[
-					'app' => 'locking',
-				]
-			);
-		}
-		try {
-			$provider->acquireLock('files/' . md5($this->getId() . '::' . trim($path, '/')), $type);
-		} catch (LockedException $e) {
-			if ($logger) {
-				$logger->logException($e, ['level' => ILogger::INFO]);
-			}
-			throw $e;
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param \OCP\Lock\ILockingProvider $provider
-	 * @throws \OCP\Lock\LockedException
-	 */
-	public function releaseLock($path, $type, ILockingProvider $provider) {
-		$logger = $this->getLockLogger();
-		if ($logger) {
-			$typeString = ($type === ILockingProvider::LOCK_SHARED) ? 'shared' : 'exclusive';
-			$logger->info(
-				sprintf(
-					'release %s lock on "%s" on storage "%s"',
-					$typeString,
-					$path,
-					$this->getId()
-				),
-				[
-					'app' => 'locking',
-				]
-			);
-		}
-		try {
-			$provider->releaseLock('files/' . md5($this->getId() . '::' . trim($path, '/')), $type);
-		} catch (LockedException $e) {
-			if ($logger) {
-				$logger->logException($e, ['level' => ILogger::INFO]);
-			}
-			throw $e;
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param \OCP\Lock\ILockingProvider $provider
-	 * @throws \OCP\Lock\LockedException
-	 */
-	public function changeLock($path, $type, ILockingProvider $provider) {
-		$logger = $this->getLockLogger();
-		if ($logger) {
-			$typeString = ($type === ILockingProvider::LOCK_SHARED) ? 'shared' : 'exclusive';
-			$logger->info(
-				sprintf(
-					'change lock on "%s" to %s on storage "%s"',
-					$path,
-					$typeString,
-					$this->getId()
-				),
-				[
-					'app' => 'locking',
-				]
-			);
-		}
-		try {
-			$provider->changeLock('files/' . md5($this->getId() . '::' . trim($path, '/')), $type);
-		} catch (LockedException $e) {
-			\OC::$server->getLogger()->logException($e, ['level' => ILogger::INFO]);
-			throw $e;
-		}
-	}
-
-	private function getLockLogger() {
-		if (is_null($this->shouldLogLocks)) {
-			$this->shouldLogLocks = \OC::$server->getConfig()->getSystemValue('filelocking.debug', false);
-			$this->logger = $this->shouldLogLocks ? \OC::$server->getLogger() : null;
-		}
-		return $this->logger;
-	}
-
-	/**
-	 * @return array [ available, last_checked ]
-	 */
-	public function getAvailability() {
-		return $this->getStorageCache()->getAvailability();
-	}
-
-	/**
-	 * @param bool $isAvailable
-	 */
-	public function setAvailability($isAvailable) {
-		$this->getStorageCache()->setAvailability($isAvailable);
-	}
-
-	/**
-	 * @return bool
-	 */
-	public function needsPartFile() {
-		return true;
-	}
-
-	/**
-	 * fallback implementation
-	 *
-	 * @param string $path
-	 * @param resource $stream
-	 * @param int $size
-	 * @return int
-	 */
-	public function writeStream(string $path, $stream, int $size = null): int {
-		$target = $this->fopen($path, 'w');
-		if (!$target) {
-			return 0;
-		}
-		list($count, $result) = \OC_Helper::streamCopy($stream, $target);
-		fclose($stream);
-		fclose($target);
-		return $count;
-	}
+                throw new InvalidCharacterInPathException();
+            }
+        }
+
+        if (isset($fileName[255])) {
+            throw new FileNameTooLongException();
+        }
+
+        // NOTE: $path will remain unverified for now
+        $this->verifyPosixPath($fileName);
+    }
+
+    /**
+     * @param string $fileName
+     * @throws InvalidPathException
+     */
+    protected function verifyPosixPath($fileName) {
+        $fileName = trim($fileName);
+        $this->scanForInvalidCharacters($fileName, "\\/");
+        $reservedNames = ['*'];
+        if (in_array($fileName, $reservedNames)) {
+            throw new ReservedWordException();
+        }
+    }
+
+    /**
+     * @param string $fileName
+     * @param string $invalidChars
+     * @throws InvalidPathException
+     */
+    private function scanForInvalidCharacters($fileName, $invalidChars) {
+        foreach (str_split($invalidChars) as $char) {
+            if (strpos($fileName, $char) !== false) {
+                throw new InvalidCharacterInPathException();
+            }
+        }
+
+        $sanitizedFileName = filter_var($fileName, FILTER_UNSAFE_RAW, FILTER_FLAG_STRIP_LOW);
+        if ($sanitizedFileName !== $fileName) {
+            throw new InvalidCharacterInPathException();
+        }
+    }
+
+    /**
+     * @param array $options
+     */
+    public function setMountOptions(array $options) {
+        $this->mountOptions = $options;
+    }
+
+    /**
+     * @param string $name
+     * @param mixed $default
+     * @return mixed
+     */
+    public function getMountOption($name, $default = null) {
+        return isset($this->mountOptions[$name]) ? $this->mountOptions[$name] : $default;
+    }
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @param bool $preserveMtime
+     * @return bool
+     */
+    public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) {
+        if ($sourceStorage === $this) {
+            return $this->copy($sourceInternalPath, $targetInternalPath);
+        }
+
+        if ($sourceStorage->is_dir($sourceInternalPath)) {
+            $dh = $sourceStorage->opendir($sourceInternalPath);
+            $result = $this->mkdir($targetInternalPath);
+            if (is_resource($dh)) {
+                while ($result and ($file = readdir($dh)) !== false) {
+                    if (!Filesystem::isIgnoredDir($file)) {
+                        $result &= $this->copyFromStorage($sourceStorage, $sourceInternalPath . '/' . $file, $targetInternalPath . '/' . $file);
+                    }
+                }
+            }
+        } else {
+            $source = $sourceStorage->fopen($sourceInternalPath, 'r');
+            // TODO: call fopen in a way that we execute again all storage wrappers
+            // to avoid that we bypass storage wrappers which perform important actions
+            // for this operation. Same is true for all other operations which
+            // are not the same as the original one.Once this is fixed we also
+            // need to adjust the encryption wrapper.
+            $target = $this->fopen($targetInternalPath, 'w');
+            list(, $result) = \OC_Helper::streamCopy($source, $target);
+            if ($result and $preserveMtime) {
+                $this->touch($targetInternalPath, $sourceStorage->filemtime($sourceInternalPath));
+            }
+            fclose($source);
+            fclose($target);
+
+            if (!$result) {
+                // delete partially written target file
+                $this->unlink($targetInternalPath);
+                // delete cache entry that was created by fopen
+                $this->getCache()->remove($targetInternalPath);
+            }
+        }
+        return (bool)$result;
+    }
+
+    /**
+     * Check if a storage is the same as the current one, including wrapped storages
+     *
+     * @param IStorage $storage
+     * @return bool
+     */
+    private function isSameStorage(IStorage $storage): bool {
+        while ($storage->instanceOfStorage(Wrapper::class)) {
+            /**
+             * @var Wrapper $sourceStorage
+             */
+            $storage = $storage->getWrapperStorage();
+        }
+
+        return $storage === $this;
+    }
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     */
+    public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+        if ($this->isSameStorage($sourceStorage)) {
+            // resolve any jailed paths
+            while ($sourceStorage->instanceOfStorage(Jail::class)) {
+                /**
+                 * @var Jail $sourceStorage
+                 */
+                $sourceInternalPath = $sourceStorage->getUnjailedPath($sourceInternalPath);
+                $sourceStorage = $sourceStorage->getUnjailedStorage();
+            }
+
+            return $this->rename($sourceInternalPath, $targetInternalPath);
+        }
+
+        if (!$sourceStorage->isDeletable($sourceInternalPath)) {
+            return false;
+        }
+
+        $result = $this->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath, true);
+        if ($result) {
+            if ($sourceStorage->is_dir($sourceInternalPath)) {
+                $result &= $sourceStorage->rmdir($sourceInternalPath);
+            } else {
+                $result &= $sourceStorage->unlink($sourceInternalPath);
+            }
+        }
+        return $result;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getMetaData($path) {
+        $permissions = $this->getPermissions($path);
+        if (!$permissions & \OCP\Constants::PERMISSION_READ) {
+            //can't read, nothing we can do
+            return null;
+        }
+
+        $data = [];
+        $data['mimetype'] = $this->getMimeType($path);
+        $data['mtime'] = $this->filemtime($path);
+        if ($data['mtime'] === false) {
+            $data['mtime'] = time();
+        }
+        if ($data['mimetype'] == 'httpd/unix-directory') {
+            $data['size'] = -1; //unknown
+        } else {
+            $data['size'] = $this->filesize($path);
+        }
+        $data['etag'] = $this->getETag($path);
+        $data['storage_mtime'] = $data['mtime'];
+        $data['permissions'] = $permissions;
+
+        return $data;
+    }
+
+    /**
+     * @param string $path
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param \OCP\Lock\ILockingProvider $provider
+     * @throws \OCP\Lock\LockedException
+     */
+    public function acquireLock($path, $type, ILockingProvider $provider) {
+        $logger = $this->getLockLogger();
+        if ($logger) {
+            $typeString = ($type === ILockingProvider::LOCK_SHARED) ? 'shared' : 'exclusive';
+            $logger->info(
+                sprintf(
+                    'acquire %s lock on "%s" on storage "%s"',
+                    $typeString,
+                    $path,
+                    $this->getId()
+                ),
+                [
+                    'app' => 'locking',
+                ]
+            );
+        }
+        try {
+            $provider->acquireLock('files/' . md5($this->getId() . '::' . trim($path, '/')), $type);
+        } catch (LockedException $e) {
+            if ($logger) {
+                $logger->logException($e, ['level' => ILogger::INFO]);
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * @param string $path
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param \OCP\Lock\ILockingProvider $provider
+     * @throws \OCP\Lock\LockedException
+     */
+    public function releaseLock($path, $type, ILockingProvider $provider) {
+        $logger = $this->getLockLogger();
+        if ($logger) {
+            $typeString = ($type === ILockingProvider::LOCK_SHARED) ? 'shared' : 'exclusive';
+            $logger->info(
+                sprintf(
+                    'release %s lock on "%s" on storage "%s"',
+                    $typeString,
+                    $path,
+                    $this->getId()
+                ),
+                [
+                    'app' => 'locking',
+                ]
+            );
+        }
+        try {
+            $provider->releaseLock('files/' . md5($this->getId() . '::' . trim($path, '/')), $type);
+        } catch (LockedException $e) {
+            if ($logger) {
+                $logger->logException($e, ['level' => ILogger::INFO]);
+            }
+            throw $e;
+        }
+    }
+
+    /**
+     * @param string $path
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param \OCP\Lock\ILockingProvider $provider
+     * @throws \OCP\Lock\LockedException
+     */
+    public function changeLock($path, $type, ILockingProvider $provider) {
+        $logger = $this->getLockLogger();
+        if ($logger) {
+            $typeString = ($type === ILockingProvider::LOCK_SHARED) ? 'shared' : 'exclusive';
+            $logger->info(
+                sprintf(
+                    'change lock on "%s" to %s on storage "%s"',
+                    $path,
+                    $typeString,
+                    $this->getId()
+                ),
+                [
+                    'app' => 'locking',
+                ]
+            );
+        }
+        try {
+            $provider->changeLock('files/' . md5($this->getId() . '::' . trim($path, '/')), $type);
+        } catch (LockedException $e) {
+            \OC::$server->getLogger()->logException($e, ['level' => ILogger::INFO]);
+            throw $e;
+        }
+    }
+
+    private function getLockLogger() {
+        if (is_null($this->shouldLogLocks)) {
+            $this->shouldLogLocks = \OC::$server->getConfig()->getSystemValue('filelocking.debug', false);
+            $this->logger = $this->shouldLogLocks ? \OC::$server->getLogger() : null;
+        }
+        return $this->logger;
+    }
+
+    /**
+     * @return array [ available, last_checked ]
+     */
+    public function getAvailability() {
+        return $this->getStorageCache()->getAvailability();
+    }
+
+    /**
+     * @param bool $isAvailable
+     */
+    public function setAvailability($isAvailable) {
+        $this->getStorageCache()->setAvailability($isAvailable);
+    }
+
+    /**
+     * @return bool
+     */
+    public function needsPartFile() {
+        return true;
+    }
+
+    /**
+     * fallback implementation
+     *
+     * @param string $path
+     * @param resource $stream
+     * @param int $size
+     * @return int
+     */
+    public function writeStream(string $path, $stream, int $size = null): int {
+        $target = $this->fopen($path, 'w');
+        if (!$target) {
+            return 0;
+        }
+        list($count, $result) = \OC_Helper::streamCopy($stream, $target);
+        fclose($stream);
+        fclose($target);
+        return $count;
+    }
 }

lib/private/Files/Storage/StorageFactory.php

Indentation +70 added lines, -70 removed lines

@@ -29,80 +29,80 @@
 use OCP\Files\Storage\IStorageFactory;
 
 class StorageFactory implements IStorageFactory {
-	/**
-	 * @var array[] [$name=>['priority'=>$priority, 'wrapper'=>$callable] $storageWrappers
-	 */
-	private $storageWrappers = [];
+    /**
+     * @var array[] [$name=>['priority'=>$priority, 'wrapper'=>$callable] $storageWrappers
+     */
+    private $storageWrappers = [];
 
-	/**
-	 * allow modifier storage behaviour by adding wrappers around storages
-	 *
-	 * $callback should be a function of type (string $mountPoint, Storage $storage) => Storage
-	 *
-	 * @param string $wrapperName name of the wrapper
-	 * @param callable $callback callback
-	 * @param int $priority wrappers with the lower priority are applied last (meaning they get called first)
-	 * @param \OCP\Files\Mount\IMountPoint[] $existingMounts existing mount points to apply the wrapper to
-	 * @return bool true if the wrapper was added, false if there was already a wrapper with this
-	 * name registered
-	 */
-	public function addStorageWrapper($wrapperName, $callback, $priority = 50, $existingMounts = []) {
-		if (isset($this->storageWrappers[$wrapperName])) {
-			return false;
-		}
+    /**
+     * allow modifier storage behaviour by adding wrappers around storages
+     *
+     * $callback should be a function of type (string $mountPoint, Storage $storage) => Storage
+     *
+     * @param string $wrapperName name of the wrapper
+     * @param callable $callback callback
+     * @param int $priority wrappers with the lower priority are applied last (meaning they get called first)
+     * @param \OCP\Files\Mount\IMountPoint[] $existingMounts existing mount points to apply the wrapper to
+     * @return bool true if the wrapper was added, false if there was already a wrapper with this
+     * name registered
+     */
+    public function addStorageWrapper($wrapperName, $callback, $priority = 50, $existingMounts = []) {
+        if (isset($this->storageWrappers[$wrapperName])) {
+            return false;
+        }
 
-		// apply to existing mounts before registering it to prevent applying it double in MountPoint::createStorage
-		foreach ($existingMounts as $mount) {
-			$mount->wrapStorage($callback);
-		}
+        // apply to existing mounts before registering it to prevent applying it double in MountPoint::createStorage
+        foreach ($existingMounts as $mount) {
+            $mount->wrapStorage($callback);
+        }
 
-		$this->storageWrappers[$wrapperName] = ['wrapper' => $callback, 'priority' => $priority];
-		return true;
-	}
+        $this->storageWrappers[$wrapperName] = ['wrapper' => $callback, 'priority' => $priority];
+        return true;
+    }
 
-	/**
-	 * Remove a storage wrapper by name.
-	 * Note: internal method only to be used for cleanup
-	 *
-	 * @param string $wrapperName name of the wrapper
-	 * @internal
-	 */
-	public function removeStorageWrapper($wrapperName) {
-		unset($this->storageWrappers[$wrapperName]);
-	}
+    /**
+     * Remove a storage wrapper by name.
+     * Note: internal method only to be used for cleanup
+     *
+     * @param string $wrapperName name of the wrapper
+     * @internal
+     */
+    public function removeStorageWrapper($wrapperName) {
+        unset($this->storageWrappers[$wrapperName]);
+    }
 
-	/**
-	 * Create an instance of a storage and apply the registered storage wrappers
-	 *
-	 * @param \OCP\Files\Mount\IMountPoint $mountPoint
-	 * @param string $class
-	 * @param array $arguments
-	 * @return \OCP\Files\Storage
-	 */
-	public function getInstance(IMountPoint $mountPoint, $class, $arguments) {
-		return $this->wrap($mountPoint, new $class($arguments));
-	}
+    /**
+     * Create an instance of a storage and apply the registered storage wrappers
+     *
+     * @param \OCP\Files\Mount\IMountPoint $mountPoint
+     * @param string $class
+     * @param array $arguments
+     * @return \OCP\Files\Storage
+     */
+    public function getInstance(IMountPoint $mountPoint, $class, $arguments) {
+        return $this->wrap($mountPoint, new $class($arguments));
+    }
 
-	/**
-	 * @param \OCP\Files\Mount\IMountPoint $mountPoint
-	 * @param \OCP\Files\Storage $storage
-	 * @return \OCP\Files\Storage
-	 */
-	public function wrap(IMountPoint $mountPoint, $storage) {
-		$wrappers = array_values($this->storageWrappers);
-		usort($wrappers, function ($a, $b) {
-			return $b['priority'] - $a['priority'];
-		});
-		/** @var callable[] $wrappers */
-		$wrappers = array_map(function ($wrapper) {
-			return $wrapper['wrapper'];
-		}, $wrappers);
-		foreach ($wrappers as $wrapper) {
-			$storage = $wrapper($mountPoint->getMountPoint(), $storage, $mountPoint);
-			if (!($storage instanceof \OCP\Files\Storage)) {
-				throw new \Exception('Invalid result from storage wrapper');
-			}
-		}
-		return $storage;
-	}
+    /**
+     * @param \OCP\Files\Mount\IMountPoint $mountPoint
+     * @param \OCP\Files\Storage $storage
+     * @return \OCP\Files\Storage
+     */
+    public function wrap(IMountPoint $mountPoint, $storage) {
+        $wrappers = array_values($this->storageWrappers);
+        usort($wrappers, function ($a, $b) {
+            return $b['priority'] - $a['priority'];
+        });
+        /** @var callable[] $wrappers */
+        $wrappers = array_map(function ($wrapper) {
+            return $wrapper['wrapper'];
+        }, $wrappers);
+        foreach ($wrappers as $wrapper) {
+            $storage = $wrapper($mountPoint->getMountPoint(), $storage, $mountPoint);
+            if (!($storage instanceof \OCP\Files\Storage)) {
+                throw new \Exception('Invalid result from storage wrapper');
+            }
+        }
+        return $storage;
+    }
 }

Spacing +2 added lines, -2 removed lines

@@ -90,11 +90,11 @@
 	 */
 	public function wrap(IMountPoint $mountPoint, $storage) {
 		$wrappers = array_values($this->storageWrappers);
-		usort($wrappers, function ($a, $b) {
+		usort($wrappers, function($a, $b) {
 			return $b['priority'] - $a['priority'];
 		});
 		/** @var callable[] $wrappers */
-		$wrappers = array_map(function ($wrapper) {
+		$wrappers = array_map(function($wrapper) {
 			return $wrapper['wrapper'];
 		}, $wrappers);
 		foreach ($wrappers as $wrapper) {

lib/private/Files/Storage/PolyFill/CopyDirectory.php

Indentation +71 added lines, -71 removed lines

@@ -25,81 +25,81 @@
 namespace OC\Files\Storage\PolyFill;
 
 trait CopyDirectory {
-	/**
-	 * Check if a path is a directory
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	abstract public function is_dir($path);
+    /**
+     * Check if a path is a directory
+     *
+     * @param string $path
+     * @return bool
+     */
+    abstract public function is_dir($path);
 
-	/**
-	 * Check if a file or folder exists
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	abstract public function file_exists($path);
+    /**
+     * Check if a file or folder exists
+     *
+     * @param string $path
+     * @return bool
+     */
+    abstract public function file_exists($path);
 
-	/**
-	 * Delete a file or folder
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	abstract public function unlink($path);
+    /**
+     * Delete a file or folder
+     *
+     * @param string $path
+     * @return bool
+     */
+    abstract public function unlink($path);
 
-	/**
-	 * Open a directory handle for a folder
-	 *
-	 * @param string $path
-	 * @return resource | bool
-	 */
-	abstract public function opendir($path);
+    /**
+     * Open a directory handle for a folder
+     *
+     * @param string $path
+     * @return resource | bool
+     */
+    abstract public function opendir($path);
 
-	/**
-	 * Create a new folder
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	abstract public function mkdir($path);
+    /**
+     * Create a new folder
+     *
+     * @param string $path
+     * @return bool
+     */
+    abstract public function mkdir($path);
 
-	public function copy($source, $target) {
-		if ($this->is_dir($source)) {
-			if ($this->file_exists($target)) {
-				$this->unlink($target);
-			}
-			$this->mkdir($target);
-			return $this->copyRecursive($source, $target);
-		} else {
-			return parent::copy($source, $target);
-		}
-	}
+    public function copy($source, $target) {
+        if ($this->is_dir($source)) {
+            if ($this->file_exists($target)) {
+                $this->unlink($target);
+            }
+            $this->mkdir($target);
+            return $this->copyRecursive($source, $target);
+        } else {
+            return parent::copy($source, $target);
+        }
+    }
 
-	/**
-	 * For adapters that don't support copying folders natively
-	 *
-	 * @param $source
-	 * @param $target
-	 * @return bool
-	 */
-	protected function copyRecursive($source, $target) {
-		$dh = $this->opendir($source);
-		$result = true;
-		while ($file = readdir($dh)) {
-			if (!\OC\Files\Filesystem::isIgnoredDir($file)) {
-				if ($this->is_dir($source . '/' . $file)) {
-					$this->mkdir($target . '/' . $file);
-					$result = $this->copyRecursive($source . '/' . $file, $target . '/' . $file);
-				} else {
-					$result = parent::copy($source . '/' . $file, $target . '/' . $file);
-				}
-				if (!$result) {
-					break;
-				}
-			}
-		}
-		return $result;
-	}
+    /**
+     * For adapters that don't support copying folders natively
+     *
+     * @param $source
+     * @param $target
+     * @return bool
+     */
+    protected function copyRecursive($source, $target) {
+        $dh = $this->opendir($source);
+        $result = true;
+        while ($file = readdir($dh)) {
+            if (!\OC\Files\Filesystem::isIgnoredDir($file)) {
+                if ($this->is_dir($source . '/' . $file)) {
+                    $this->mkdir($target . '/' . $file);
+                    $result = $this->copyRecursive($source . '/' . $file, $target . '/' . $file);
+                } else {
+                    $result = parent::copy($source . '/' . $file, $target . '/' . $file);
+                }
+                if (!$result) {
+                    break;
+                }
+            }
+        }
+        return $result;
+    }
 }

Spacing +4 added lines, -4 removed lines

@@ -89,11 +89,11 @@
 		$result = true;
 		while ($file = readdir($dh)) {
 			if (!\OC\Files\Filesystem::isIgnoredDir($file)) {
-				if ($this->is_dir($source . '/' . $file)) {
-					$this->mkdir($target . '/' . $file);
-					$result = $this->copyRecursive($source . '/' . $file, $target . '/' . $file);
+				if ($this->is_dir($source.'/'.$file)) {
+					$this->mkdir($target.'/'.$file);
+					$result = $this->copyRecursive($source.'/'.$file, $target.'/'.$file);
 				} else {
-					$result = parent::copy($source . '/' . $file, $target . '/' . $file);
+					$result = parent::copy($source.'/'.$file, $target.'/'.$file);
 				}
 				if (!$result) {
 					break;

lib/private/Files/Storage/CommonTest.php

Indentation +47 added lines, -47 removed lines

@@ -33,53 +33,53 @@
 namespace OC\Files\Storage;
 
 class CommonTest extends \OC\Files\Storage\Common{
-	/**
-	 * underlying local storage used for missing functions
-	 * @var \OC\Files\Storage\Local
-	 */
-	private $storage;
+    /**
+     * underlying local storage used for missing functions
+     * @var \OC\Files\Storage\Local
+     */
+    private $storage;
 
-	public function __construct($params) {
-		$this->storage=new \OC\Files\Storage\Local($params);
-	}
+    public function __construct($params) {
+        $this->storage=new \OC\Files\Storage\Local($params);
+    }
 
-	public function getId(){
-		return 'test::'.$this->storage->getId();
-	}
-	public function mkdir($path) {
-		return $this->storage->mkdir($path);
-	}
-	public function rmdir($path) {
-		return $this->storage->rmdir($path);
-	}
-	public function opendir($path) {
-		return $this->storage->opendir($path);
-	}
-	public function stat($path) {
-		return $this->storage->stat($path);
-	}
-	public function filetype($path) {
-		return @$this->storage->filetype($path);
-	}
-	public function isReadable($path) {
-		return $this->storage->isReadable($path);
-	}
-	public function isUpdatable($path) {
-		return $this->storage->isUpdatable($path);
-	}
-	public function file_exists($path) {
-		return $this->storage->file_exists($path);
-	}
-	public function unlink($path) {
-		return $this->storage->unlink($path);
-	}
-	public function fopen($path, $mode) {
-		return $this->storage->fopen($path, $mode);
-	}
-	public function free_space($path) {
-		return $this->storage->free_space($path);
-	}
-	public function touch($path, $mtime=null) {
-		return $this->storage->touch($path, $mtime);
-	}
+    public function getId(){
+        return 'test::'.$this->storage->getId();
+    }
+    public function mkdir($path) {
+        return $this->storage->mkdir($path);
+    }
+    public function rmdir($path) {
+        return $this->storage->rmdir($path);
+    }
+    public function opendir($path) {
+        return $this->storage->opendir($path);
+    }
+    public function stat($path) {
+        return $this->storage->stat($path);
+    }
+    public function filetype($path) {
+        return @$this->storage->filetype($path);
+    }
+    public function isReadable($path) {
+        return $this->storage->isReadable($path);
+    }
+    public function isUpdatable($path) {
+        return $this->storage->isUpdatable($path);
+    }
+    public function file_exists($path) {
+        return $this->storage->file_exists($path);
+    }
+    public function unlink($path) {
+        return $this->storage->unlink($path);
+    }
+    public function fopen($path, $mode) {
+        return $this->storage->fopen($path, $mode);
+    }
+    public function free_space($path) {
+        return $this->storage->free_space($path);
+    }
+    public function touch($path, $mtime=null) {
+        return $this->storage->touch($path, $mtime);
+    }
 }

Spacing +4 added lines, -4 removed lines

@@ -32,7 +32,7 @@ 
 
 namespace OC\Files\Storage;
 
-class CommonTest extends \OC\Files\Storage\Common{
+class CommonTest extends \OC\Files\Storage\Common {
 	/**
 	 * underlying local storage used for missing functions
 	 * @var \OC\Files\Storage\Local
@@ -40,10 +40,10 @@ 
 	private $storage;
 
 	public function __construct($params) {
-		$this->storage=new \OC\Files\Storage\Local($params);
+		$this->storage = new \OC\Files\Storage\Local($params);
 	}
 
-	public function getId(){
+	public function getId() {
 		return 'test::'.$this->storage->getId();
 	}
 	public function mkdir($path) {
@@ -79,7 +79,7 @@ 
 	public function free_space($path) {
 		return $this->storage->free_space($path);
 	}
-	public function touch($path, $mtime=null) {
+	public function touch($path, $mtime = null) {
 		return $this->storage->touch($path, $mtime);
 	}
 }

lib/private/Files/Notify/RenameChange.php

Indentation +21 added lines, -21 removed lines

@@ -26,27 +26,27 @@
 use OCP\Files\Notify\IRenameChange;
 
 class RenameChange extends Change implements IRenameChange {
-	/** @var string */
-	private $targetPath;
+    /** @var string */
+    private $targetPath;
 
-	/**
-	 * Change constructor.
-	 *
-	 * @param int $type
-	 * @param string $path
-	 * @param string $targetPath
-	 */
-	public function __construct($type, $path, $targetPath) {
-		parent::__construct($type, $path);
-		$this->targetPath = $targetPath;
-	}
+    /**
+     * Change constructor.
+     *
+     * @param int $type
+     * @param string $path
+     * @param string $targetPath
+     */
+    public function __construct($type, $path, $targetPath) {
+        parent::__construct($type, $path);
+        $this->targetPath = $targetPath;
+    }
 
-	/**
-	 * Get the new path of the renamed file relative to the storage root
-	 *
-	 * @return string
-	 */
-	public function getTargetPath() {
-		return $this->targetPath;
-	}
+    /**
+     * Get the new path of the renamed file relative to the storage root
+     *
+     * @return string
+     */
+    public function getTargetPath() {
+        return $this->targetPath;
+    }
 }

lib/private/Files/Notify/Change.php

Indentation +32 added lines, -32 removed lines

@@ -26,40 +26,40 @@
 use OCP\Files\Notify\IChange;
 
 class Change implements IChange {
-	/** @var int */
-	private $type;
+    /** @var int */
+    private $type;
 
-	/** @var string */
-	private $path;
+    /** @var string */
+    private $path;
 
-	/**
-	 * Change constructor.
-	 *
-	 * @param int $type
-	 * @param string $path
-	 */
-	public function __construct($type, $path) {
-		$this->type = $type;
-		$this->path = $path;
-	}
+    /**
+     * Change constructor.
+     *
+     * @param int $type
+     * @param string $path
+     */
+    public function __construct($type, $path) {
+        $this->type = $type;
+        $this->path = $path;
+    }
 
-	/**
-	 * Get the type of the change
-	 *
-	 * @return int IChange::ADDED, IChange::REMOVED, IChange::MODIFIED or IChange::RENAMED
-	 */
-	public function getType() {
-		return $this->type;
-	}
+    /**
+     * Get the type of the change
+     *
+     * @return int IChange::ADDED, IChange::REMOVED, IChange::MODIFIED or IChange::RENAMED
+     */
+    public function getType() {
+        return $this->type;
+    }
 
-	/**
-	 * Get the path of the file that was changed relative to the root of the storage
-	 *
-	 * Note, for rename changes this path is the old path for the file
-	 *
-	 * @return mixed
-	 */
-	public function getPath() {
-		return $this->path;
-	}
+    /**
+     * Get the path of the file that was changed relative to the root of the storage
+     *
+     * Note, for rename changes this path is the old path for the file
+     *
+     * @return mixed
+     */
+    public function getPath() {
+        return $this->path;
+    }
 }

lib/private/Files/Cache/HomePropagator.php

Indentation +21 added lines, -21 removed lines

@@ -25,28 +25,28 @@
 use OCP\IDBConnection;
 
 class HomePropagator extends Propagator {
-	private $ignoredBaseFolders;
+    private $ignoredBaseFolders;
 
-	/**
-	 * @param \OC\Files\Storage\Storage $storage
-	 */
-	public function __construct(\OC\Files\Storage\Storage $storage, IDBConnection $connection) {
-		parent::__construct($storage, $connection);
-		$this->ignoredBaseFolders = ['files_encryption'];
-	}
+    /**
+     * @param \OC\Files\Storage\Storage $storage
+     */
+    public function __construct(\OC\Files\Storage\Storage $storage, IDBConnection $connection) {
+        parent::__construct($storage, $connection);
+        $this->ignoredBaseFolders = ['files_encryption'];
+    }
 
 
-	/**
-	 * @param string $internalPath
-	 * @param int $time
-	 * @param int $sizeDifference number of bytes the file has grown
-	 */
-	public function propagateChange($internalPath, $time, $sizeDifference = 0) {
-		list($baseFolder) = explode('/', $internalPath, 2);
-		if (in_array($baseFolder, $this->ignoredBaseFolders)) {
-			return [];
-		} else {
-			parent::propagateChange($internalPath, $time, $sizeDifference);
-		}
-	}
+    /**
+     * @param string $internalPath
+     * @param int $time
+     * @param int $sizeDifference number of bytes the file has grown
+     */
+    public function propagateChange($internalPath, $time, $sizeDifference = 0) {
+        list($baseFolder) = explode('/', $internalPath, 2);
+        if (in_array($baseFolder, $this->ignoredBaseFolders)) {
+            return [];
+        } else {
+            parent::propagateChange($internalPath, $time, $sizeDifference);
+        }
+    }
 }

lib/private/Files/Cache/Updater.php

Indentation +212 added lines, -212 removed lines

@@ -36,216 +36,216 @@
  *
  */
 class Updater implements IUpdater {
-	/**
-	 * @var bool
-	 */
-	protected $enabled = true;
-
-	/**
-	 * @var \OC\Files\Storage\Storage
-	 */
-	protected $storage;
-
-	/**
-	 * @var \OC\Files\Cache\Propagator
-	 */
-	protected $propagator;
-
-	/**
-	 * @var Scanner
-	 */
-	protected $scanner;
-
-	/**
-	 * @var Cache
-	 */
-	protected $cache;
-
-	/**
-	 * @param \OC\Files\Storage\Storage $storage
-	 */
-	public function __construct(\OC\Files\Storage\Storage $storage) {
-		$this->storage = $storage;
-		$this->propagator = $storage->getPropagator();
-		$this->scanner = $storage->getScanner();
-		$this->cache = $storage->getCache();
-	}
-
-	/**
-	 * Disable updating the cache trough this updater
-	 */
-	public function disable() {
-		$this->enabled = false;
-	}
-
-	/**
-	 * Re-enable the updating of the cache trough this updater
-	 */
-	public function enable() {
-		$this->enabled = true;
-	}
-
-	/**
-	 * Get the propagator for etags and mtime for the view the updater works on
-	 *
-	 * @return Propagator
-	 */
-	public function getPropagator() {
-		return $this->propagator;
-	}
-
-	/**
-	 * Propagate etag and mtime changes for the parent folders of $path up to the root of the filesystem
-	 *
-	 * @param string $path the path of the file to propagate the changes for
-	 * @param int|null $time the timestamp to set as mtime for the parent folders, if left out the current time is used
-	 */
-	public function propagate($path, $time = null) {
-		if (Scanner::isPartialFile($path)) {
-			return;
-		}
-		$this->propagator->propagateChange($path, $time);
-	}
-
-	/**
-	 * Update the cache for $path and update the size, etag and mtime of the parent folders
-	 *
-	 * @param string $path
-	 * @param int $time
-	 */
-	public function update($path, $time = null) {
-		if (!$this->enabled or Scanner::isPartialFile($path)) {
-			return;
-		}
-		if (is_null($time)) {
-			$time = time();
-		}
-
-		$data = $this->scanner->scan($path, Scanner::SCAN_SHALLOW, -1, false);
-		if (
-			isset($data['oldSize']) && isset($data['size']) &&
-			!$data['encrypted'] // encryption is a pita and touches the cache itself
-		) {
-			$sizeDifference = $data['size'] - $data['oldSize'];
-		} else {
-			// scanner didn't provide size info, fallback to full size calculation
-			$sizeDifference = 0;
-			if ($this->cache instanceof Cache) {
-				$this->cache->correctFolderSize($path, $data);
-			}
-		}
-		$this->correctParentStorageMtime($path);
-		$this->propagator->propagateChange($path, $time, $sizeDifference);
-	}
-
-	/**
-	 * Remove $path from the cache and update the size, etag and mtime of the parent folders
-	 *
-	 * @param string $path
-	 */
-	public function remove($path) {
-		if (!$this->enabled or Scanner::isPartialFile($path)) {
-			return;
-		}
-
-		$parent = dirname($path);
-		if ($parent === '.') {
-			$parent = '';
-		}
-
-		$entry = $this->cache->get($path);
-
-		$this->cache->remove($path);
-
-		$this->correctParentStorageMtime($path);
-		if ($entry instanceof ICacheEntry) {
-			$this->propagator->propagateChange($path, time(), -$entry->getSize());
-		} else {
-			$this->propagator->propagateChange($path, time());
-			if ($this->cache instanceof Cache) {
-				$this->cache->correctFolderSize($parent);
-			}
-		}
-
-	}
-
-	/**
-	 * Rename a file or folder in the cache and update the size, etag and mtime of the parent folders
-	 *
-	 * @param IStorage $sourceStorage
-	 * @param string $source
-	 * @param string $target
-	 */
-	public function renameFromStorage(IStorage $sourceStorage, $source, $target) {
-		if (!$this->enabled or Scanner::isPartialFile($source) or Scanner::isPartialFile($target)) {
-			return;
-		}
-
-		$time = time();
-
-		$sourceCache = $sourceStorage->getCache();
-		$sourceUpdater = $sourceStorage->getUpdater();
-		$sourcePropagator = $sourceStorage->getPropagator();
-
-		if ($sourceCache->inCache($source)) {
-			if ($this->cache->inCache($target)) {
-				$this->cache->remove($target);
-			}
-
-			if ($sourceStorage === $this->storage) {
-				$this->cache->move($source, $target);
-			} else {
-				$this->cache->moveFromCache($sourceCache, $source, $target);
-			}
-		}
-
-		if (pathinfo($source, PATHINFO_EXTENSION) !== pathinfo($target, PATHINFO_EXTENSION)) {
-			// handle mime type change
-			$mimeType = $this->storage->getMimeType($target);
-			$fileId = $this->cache->getId($target);
-			$this->cache->update($fileId, ['mimetype' => $mimeType]);
-		}
-
-		if ($sourceCache instanceof Cache) {
-			$sourceCache->correctFolderSize($source);
-		}
-		if ($this->cache instanceof Cache) {
-			$this->cache->correctFolderSize($target);
-		}
-		if ($sourceUpdater instanceof Updater) {
-			$sourceUpdater->correctParentStorageMtime($source);
-		}
-		$this->correctParentStorageMtime($target);
-		$this->updateStorageMTimeOnly($target);
-		$sourcePropagator->propagateChange($source, $time);
-		$this->propagator->propagateChange($target, $time);
-	}
-
-	private function updateStorageMTimeOnly($internalPath) {
-		$fileId = $this->cache->getId($internalPath);
-		if ($fileId !== -1) {
-			$this->cache->update(
-				$fileId, [
-					'mtime' => null, // this magic tells it to not overwrite mtime
-					'storage_mtime' => $this->storage->filemtime($internalPath)
-				]
-			);
-		}
-	}
-
-	/**
-	 * update the storage_mtime of the direct parent in the cache to the mtime from the storage
-	 *
-	 * @param string $internalPath
-	 */
-	private function correctParentStorageMtime($internalPath) {
-		$parentId = $this->cache->getParentId($internalPath);
-		$parent = dirname($internalPath);
-		if ($parentId != -1) {
-			$mtime = $this->storage->filemtime($parent);
-			if ($mtime !== false) {
-				$this->cache->update($parentId, array('storage_mtime' => $mtime));
-			}
-		}
-	}
+    /**
+     * @var bool
+     */
+    protected $enabled = true;
+
+    /**
+     * @var \OC\Files\Storage\Storage
+     */
+    protected $storage;
+
+    /**
+     * @var \OC\Files\Cache\Propagator
+     */
+    protected $propagator;
+
+    /**
+     * @var Scanner
+     */
+    protected $scanner;
+
+    /**
+     * @var Cache
+     */
+    protected $cache;
+
+    /**
+     * @param \OC\Files\Storage\Storage $storage
+     */
+    public function __construct(\OC\Files\Storage\Storage $storage) {
+        $this->storage = $storage;
+        $this->propagator = $storage->getPropagator();
+        $this->scanner = $storage->getScanner();
+        $this->cache = $storage->getCache();
+    }
+
+    /**
+     * Disable updating the cache trough this updater
+     */
+    public function disable() {
+        $this->enabled = false;
+    }
+
+    /**
+     * Re-enable the updating of the cache trough this updater
+     */
+    public function enable() {
+        $this->enabled = true;
+    }
+
+    /**
+     * Get the propagator for etags and mtime for the view the updater works on
+     *
+     * @return Propagator
+     */
+    public function getPropagator() {
+        return $this->propagator;
+    }
+
+    /**
+     * Propagate etag and mtime changes for the parent folders of $path up to the root of the filesystem
+     *
+     * @param string $path the path of the file to propagate the changes for
+     * @param int|null $time the timestamp to set as mtime for the parent folders, if left out the current time is used
+     */
+    public function propagate($path, $time = null) {
+        if (Scanner::isPartialFile($path)) {
+            return;
+        }
+        $this->propagator->propagateChange($path, $time);
+    }
+
+    /**
+     * Update the cache for $path and update the size, etag and mtime of the parent folders
+     *
+     * @param string $path
+     * @param int $time
+     */
+    public function update($path, $time = null) {
+        if (!$this->enabled or Scanner::isPartialFile($path)) {
+            return;
+        }
+        if (is_null($time)) {
+            $time = time();
+        }
+
+        $data = $this->scanner->scan($path, Scanner::SCAN_SHALLOW, -1, false);
+        if (
+            isset($data['oldSize']) && isset($data['size']) &&
+            !$data['encrypted'] // encryption is a pita and touches the cache itself
+        ) {
+            $sizeDifference = $data['size'] - $data['oldSize'];
+        } else {
+            // scanner didn't provide size info, fallback to full size calculation
+            $sizeDifference = 0;
+            if ($this->cache instanceof Cache) {
+                $this->cache->correctFolderSize($path, $data);
+            }
+        }
+        $this->correctParentStorageMtime($path);
+        $this->propagator->propagateChange($path, $time, $sizeDifference);
+    }
+
+    /**
+     * Remove $path from the cache and update the size, etag and mtime of the parent folders
+     *
+     * @param string $path
+     */
+    public function remove($path) {
+        if (!$this->enabled or Scanner::isPartialFile($path)) {
+            return;
+        }
+
+        $parent = dirname($path);
+        if ($parent === '.') {
+            $parent = '';
+        }
+
+        $entry = $this->cache->get($path);
+
+        $this->cache->remove($path);
+
+        $this->correctParentStorageMtime($path);
+        if ($entry instanceof ICacheEntry) {
+            $this->propagator->propagateChange($path, time(), -$entry->getSize());
+        } else {
+            $this->propagator->propagateChange($path, time());
+            if ($this->cache instanceof Cache) {
+                $this->cache->correctFolderSize($parent);
+            }
+        }
+
+    }
+
+    /**
+     * Rename a file or folder in the cache and update the size, etag and mtime of the parent folders
+     *
+     * @param IStorage $sourceStorage
+     * @param string $source
+     * @param string $target
+     */
+    public function renameFromStorage(IStorage $sourceStorage, $source, $target) {
+        if (!$this->enabled or Scanner::isPartialFile($source) or Scanner::isPartialFile($target)) {
+            return;
+        }
+
+        $time = time();
+
+        $sourceCache = $sourceStorage->getCache();
+        $sourceUpdater = $sourceStorage->getUpdater();
+        $sourcePropagator = $sourceStorage->getPropagator();
+
+        if ($sourceCache->inCache($source)) {
+            if ($this->cache->inCache($target)) {
+                $this->cache->remove($target);
+            }
+
+            if ($sourceStorage === $this->storage) {
+                $this->cache->move($source, $target);
+            } else {
+                $this->cache->moveFromCache($sourceCache, $source, $target);
+            }
+        }
+
+        if (pathinfo($source, PATHINFO_EXTENSION) !== pathinfo($target, PATHINFO_EXTENSION)) {
+            // handle mime type change
+            $mimeType = $this->storage->getMimeType($target);
+            $fileId = $this->cache->getId($target);
+            $this->cache->update($fileId, ['mimetype' => $mimeType]);
+        }
+
+        if ($sourceCache instanceof Cache) {
+            $sourceCache->correctFolderSize($source);
+        }
+        if ($this->cache instanceof Cache) {
+            $this->cache->correctFolderSize($target);
+        }
+        if ($sourceUpdater instanceof Updater) {
+            $sourceUpdater->correctParentStorageMtime($source);
+        }
+        $this->correctParentStorageMtime($target);
+        $this->updateStorageMTimeOnly($target);
+        $sourcePropagator->propagateChange($source, $time);
+        $this->propagator->propagateChange($target, $time);
+    }
+
+    private function updateStorageMTimeOnly($internalPath) {
+        $fileId = $this->cache->getId($internalPath);
+        if ($fileId !== -1) {
+            $this->cache->update(
+                $fileId, [
+                    'mtime' => null, // this magic tells it to not overwrite mtime
+                    'storage_mtime' => $this->storage->filemtime($internalPath)
+                ]
+            );
+        }
+    }
+
+    /**
+     * update the storage_mtime of the direct parent in the cache to the mtime from the storage
+     *
+     * @param string $internalPath
+     */
+    private function correctParentStorageMtime($internalPath) {
+        $parentId = $this->cache->getParentId($internalPath);
+        $parent = dirname($internalPath);
+        if ($parentId != -1) {
+            $mtime = $this->storage->filemtime($parent);
+            if ($mtime !== false) {
+                $this->cache->update($parentId, array('storage_mtime' => $mtime));
+            }
+        }
+    }
 }