nextcloud / server

lib/private/Files/Node/Folder.php

Indentation +475 added lines, -475 removed lines

@@ -37,479 +37,479 @@
 use OCP\Files\Search\ISearchOperator;
 
 class Folder extends Node implements \OCP\Files\Folder {
-	/**
-	 * Creates a Folder that represents a non-existing path
-	 *
-	 * @param string $path path
-	 * @return string non-existing node class
-	 */
-	protected function createNonExistingNode($path) {
-		return new NonExistingFolder($this->root, $this->view, $path);
-	}
-
-	/**
-	 * @param string $path path relative to the folder
-	 * @return string
-	 * @throws \OCP\Files\NotPermittedException
-	 */
-	public function getFullPath($path) {
-		if (!$this->isValidPath($path)) {
-			throw new NotPermittedException('Invalid path');
-		}
-		return $this->path . $this->normalizePath($path);
-	}
-
-	/**
-	 * @param string $path
-	 * @return string
-	 */
-	public function getRelativePath($path) {
-		if ($this->path === '' or $this->path === '/') {
-			return $this->normalizePath($path);
-		}
-		if ($path === $this->path) {
-			return '/';
-		} else if (strpos($path, $this->path . '/') !== 0) {
-			return null;
-		} else {
-			$path = substr($path, strlen($this->path));
-			return $this->normalizePath($path);
-		}
-	}
-
-	/**
-	 * check if a node is a (grand-)child of the folder
-	 *
-	 * @param \OC\Files\Node\Node $node
-	 * @return bool
-	 */
-	public function isSubNode($node) {
-		return strpos($node->getPath(), $this->path . '/') === 0;
-	}
-
-	/**
-	 * get the content of this directory
-	 *
-	 * @throws \OCP\Files\NotFoundException
-	 * @return Node[]
-	 */
-	public function getDirectoryListing() {
-		$folderContent = $this->view->getDirectoryContent($this->path);
-
-		return array_map(function (FileInfo $info) {
-			if ($info->getMimetype() === 'httpd/unix-directory') {
-				return new Folder($this->root, $this->view, $info->getPath(), $info);
-			} else {
-				return new File($this->root, $this->view, $info->getPath(), $info);
-			}
-		}, $folderContent);
-	}
-
-	/**
-	 * @param string $path
-	 * @param FileInfo $info
-	 * @return File|Folder
-	 */
-	protected function createNode($path, FileInfo $info = null) {
-		if (is_null($info)) {
-			$isDir = $this->view->is_dir($path);
-		} else {
-			$isDir = $info->getType() === FileInfo::TYPE_FOLDER;
-		}
-		if ($isDir) {
-			return new Folder($this->root, $this->view, $path, $info);
-		} else {
-			return new File($this->root, $this->view, $path, $info);
-		}
-	}
-
-	/**
-	 * Get the node at $path
-	 *
-	 * @param string $path
-	 * @return \OC\Files\Node\Node
-	 * @throws \OCP\Files\NotFoundException
-	 */
-	public function get($path) {
-		return $this->root->get($this->getFullPath($path));
-	}
-
-	/**
-	 * @param string $path
-	 * @return bool
-	 */
-	public function nodeExists($path) {
-		try {
-			$this->get($path);
-			return true;
-		} catch (NotFoundException $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @return \OC\Files\Node\Folder
-	 * @throws \OCP\Files\NotPermittedException
-	 */
-	public function newFolder($path) {
-		if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
-			$fullPath = $this->getFullPath($path);
-			$nonExisting = new NonExistingFolder($this->root, $this->view, $fullPath);
-			$this->sendHooks(['preWrite', 'preCreate'], [$nonExisting]);
-			if(!$this->view->mkdir($fullPath)) {
-				throw new NotPermittedException('Could not create folder');
-			}
-			$node = new Folder($this->root, $this->view, $fullPath);
-			$this->sendHooks(['postWrite', 'postCreate'], [$node]);
-			return $node;
-		} else {
-			throw new NotPermittedException('No create permission for folder');
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @return \OC\Files\Node\File
-	 * @throws \OCP\Files\NotPermittedException
-	 */
-	public function newFile($path) {
-		if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
-			$fullPath = $this->getFullPath($path);
-			$nonExisting = new NonExistingFile($this->root, $this->view, $fullPath);
-			$this->sendHooks(['preWrite', 'preCreate'], [$nonExisting]);
-			if (!$this->view->touch($fullPath)) {
-				throw new NotPermittedException('Could not create path');
-			}
-			$node = new File($this->root, $this->view, $fullPath);
-			$this->sendHooks(['postWrite', 'postCreate'], [$node]);
-			return $node;
-		}
-		throw new NotPermittedException('No create permission for path');
-	}
-
-	/**
-	 * search for files with the name matching $query
-	 *
-	 * @param string|ISearchOperator $query
-	 * @return \OC\Files\Node\Node[]
-	 */
-	public function search($query) {
-		if (is_string($query)) {
-			return $this->searchCommon('search', array('%' . $query . '%'));
-		} else {
-			return $this->searchCommon('searchQuery', array($query));
-		}
-	}
-
-	/**
-	 * search for files by mimetype
-	 *
-	 * @param string $mimetype
-	 * @return Node[]
-	 */
-	public function searchByMime($mimetype) {
-		return $this->searchCommon('searchByMime', array($mimetype));
-	}
-
-	/**
-	 * search for files by tag
-	 *
-	 * @param string|int $tag name or tag id
-	 * @param string $userId owner of the tags
-	 * @return Node[]
-	 */
-	public function searchByTag($tag, $userId) {
-		return $this->searchCommon('searchByTag', array($tag, $userId));
-	}
-
-	/**
-	 * @param string $method cache method
-	 * @param array $args call args
-	 * @return \OC\Files\Node\Node[]
-	 */
-	private function searchCommon($method, $args) {
-		$files = array();
-		$rootLength = strlen($this->path);
-		$mount = $this->root->getMount($this->path);
-		$storage = $mount->getStorage();
-		$internalPath = $mount->getInternalPath($this->path);
-		$internalPath = rtrim($internalPath, '/');
-		if ($internalPath !== '') {
-			$internalPath = $internalPath . '/';
-		}
-		$internalRootLength = strlen($internalPath);
-
-		$cache = $storage->getCache('');
-
-		$results = call_user_func_array(array($cache, $method), $args);
-		foreach ($results as $result) {
-			if ($internalRootLength === 0 or substr($result['path'], 0, $internalRootLength) === $internalPath) {
-				$result['internalPath'] = $result['path'];
-				$result['path'] = substr($result['path'], $internalRootLength);
-				$result['storage'] = $storage;
-				$files[] = new \OC\Files\FileInfo($this->path . '/' . $result['path'], $storage, $result['internalPath'], $result, $mount);
-			}
-		}
-
-		$mounts = $this->root->getMountsIn($this->path);
-		foreach ($mounts as $mount) {
-			$storage = $mount->getStorage();
-			if ($storage) {
-				$cache = $storage->getCache('');
-
-				$relativeMountPoint = ltrim(substr($mount->getMountPoint(), $rootLength), '/');
-				$results = call_user_func_array(array($cache, $method), $args);
-				foreach ($results as $result) {
-					$result['internalPath'] = $result['path'];
-					$result['path'] = $relativeMountPoint . $result['path'];
-					$result['storage'] = $storage;
-					$files[] = new \OC\Files\FileInfo($this->path . '/' . $result['path'], $storage, $result['internalPath'], $result, $mount);
-				}
-			}
-		}
-
-		return array_map(function (FileInfo $file) {
-			return $this->createNode($file->getPath(), $file);
-		}, $files);
-	}
-
-	/**
-	 * @param int $id
-	 * @return \OC\Files\Node\Node[]
-	 */
-	public function getById($id) {
-		$mountCache = $this->root->getUserMountCache();
-		if (strpos($this->getPath(), '/', 1) > 0) {
-			list(, $user) = explode('/', $this->getPath());
-		} else {
-			$user = null;
-		}
-		$mountsContainingFile = $mountCache->getMountsForFileId((int)$id, $user);
-		$mounts = $this->root->getMountsIn($this->path);
-		$mounts[] = $this->root->getMount($this->path);
-		/** @var IMountPoint[] $folderMounts */
-		$folderMounts = array_combine(array_map(function (IMountPoint $mountPoint) {
-			return $mountPoint->getMountPoint();
-		}, $mounts), $mounts);
-
-		/** @var ICachedMountInfo[] $mountsContainingFile */
-		$mountsContainingFile = array_values(array_filter($mountsContainingFile, function (ICachedMountInfo $cachedMountInfo) use ($folderMounts) {
-			return isset($folderMounts[$cachedMountInfo->getMountPoint()]);
-		}));
-
-		if (count($mountsContainingFile) === 0) {
-			if ($user === $this->getAppDataDirectoryName()) {
-				return $this->getByIdInRootMount((int) $id);
-			}
-			return [];
-		}
-
-		$nodes = array_map(function (ICachedMountInfo $cachedMountInfo) use ($folderMounts, $id) {
-			$mount = $folderMounts[$cachedMountInfo->getMountPoint()];
-			$cacheEntry = $mount->getStorage()->getCache()->get((int)$id);
-			if (!$cacheEntry) {
-				return null;
-			}
-
-			// cache jails will hide the "true" internal path
-			$internalPath = ltrim($cachedMountInfo->getRootInternalPath() . '/' . $cacheEntry->getPath(), '/');
-			$pathRelativeToMount = substr($internalPath, strlen($cachedMountInfo->getRootInternalPath()));
-			$pathRelativeToMount = ltrim($pathRelativeToMount, '/');
-			$absolutePath = rtrim($cachedMountInfo->getMountPoint() . $pathRelativeToMount, '/');
-			return $this->root->createNode($absolutePath, new \OC\Files\FileInfo(
-				$absolutePath, $mount->getStorage(), $cacheEntry->getPath(), $cacheEntry, $mount,
-				\OC::$server->getUserManager()->get($mount->getStorage()->getOwner($pathRelativeToMount))
-			));
-		}, $mountsContainingFile);
-
-		$nodes = array_filter($nodes);
-
-		return array_filter($nodes, function (Node $node) {
-			return $this->getRelativePath($node->getPath());
-		});
-	}
-
-	protected function getAppDataDirectoryName(): string {
-		$instanceId = \OC::$server->getConfig()->getSystemValueString('instanceid');
-		return 'appdata_' . $instanceId;
-	}
-
-	/**
-	 * In case the path we are currently in is inside the appdata_* folder,
-	 * the original getById method does not work, because it can only look inside
-	 * the user's mount points. But the user has no mount point for the root storage.
-	 *
-	 * So in that case we directly check the mount of the root if it contains
-	 * the id. If it does we check if the path is inside the path we are working
-	 * in.
-	 *
-	 * @param int $id
-	 * @return array
-	 */
-	protected function getByIdInRootMount(int $id): array {
-		$mount = $this->root->getMount('');
-		$cacheEntry = $mount->getStorage()->getCache($this->path)->get($id);
-		if (!$cacheEntry) {
-			return [];
-		}
-
-		$absolutePath = '/' . ltrim($cacheEntry->getPath(), '/');
-		$currentPath = rtrim($this->path, '/') . '/';
-
-		if (strpos($absolutePath, $currentPath) !== 0) {
-			return [];
-		}
-
-		return [$this->root->createNode(
-			$absolutePath, new \OC\Files\FileInfo(
-				$absolutePath,
-				$mount->getStorage(),
-				$cacheEntry->getPath(),
-				$cacheEntry,
-				$mount
-		))];
-	}
-
-	public function getFreeSpace() {
-		return $this->view->free_space($this->path);
-	}
-
-	public function delete() {
-		if ($this->checkPermissions(\OCP\Constants::PERMISSION_DELETE)) {
-			$this->sendHooks(array('preDelete'));
-			$fileInfo = $this->getFileInfo();
-			$this->view->rmdir($this->path);
-			$nonExisting = new NonExistingFolder($this->root, $this->view, $this->path, $fileInfo);
-			$this->sendHooks(['postDelete'], [$nonExisting]);
-			$this->exists = false;
-		} else {
-			throw new NotPermittedException('No delete permission for path');
-		}
-	}
-
-	/**
-	 * Add a suffix to the name in case the file exists
-	 *
-	 * @param string $name
-	 * @return string
-	 * @throws NotPermittedException
-	 */
-	public function getNonExistingName($name) {
-		$uniqueName = \OC_Helper::buildNotExistingFileNameForView($this->getPath(), $name, $this->view);
-		return trim($this->getRelativePath($uniqueName), '/');
-	}
-
-	/**
-	 * @param int $limit
-	 * @param int $offset
-	 * @return \OCP\Files\Node[]
-	 */
-	public function getRecent($limit, $offset = 0) {
-		$mimetypeLoader = \OC::$server->getMimeTypeLoader();
-		$mounts = $this->root->getMountsIn($this->path);
-		$mounts[] = $this->getMountPoint();
-
-		$mounts = array_filter($mounts, function (IMountPoint $mount) {
-			return $mount->getStorage();
-		});
-		$storageIds = array_map(function (IMountPoint $mount) {
-			return $mount->getStorage()->getCache()->getNumericStorageId();
-		}, $mounts);
-		/** @var IMountPoint[] $mountMap */
-		$mountMap = array_combine($storageIds, $mounts);
-		$folderMimetype = $mimetypeLoader->getId(FileInfo::MIMETYPE_FOLDER);
-
-		// Search in batches of 500 entries
-		$searchLimit = 500;
-		$results = [];
-		$searchResultCount = 0;
-		$count = 0;
-		do {
-			$searchResult = $this->recentSearch($searchLimit, $offset, $storageIds, $folderMimetype);
-
-			// Exit condition if there are no more results
-			if (count($searchResult) === 0) {
-				break;
-			}
-
-			$searchResultCount += count($searchResult);
-
-			$parseResult = $this->recentParse($searchResult, $mountMap, $mimetypeLoader);
-
-			foreach ($parseResult as $result) {
-				$results[] = $result;
-			}
-
-			$offset += $searchLimit;
-			$count++;
-		} while (count($results) < $limit && ($searchResultCount < (3 * $limit) || $count < 5));
-
-		return array_slice($results, 0, $limit);
-	}
-
-	private function recentSearch($limit, $offset, $storageIds, $folderMimetype) {
-		$builder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
-		$query = $builder
-			->select('f.*')
-			->from('filecache', 'f')
-			->andWhere($builder->expr()->in('f.storage', $builder->createNamedParameter($storageIds, IQueryBuilder::PARAM_INT_ARRAY)))
-			->andWhere($builder->expr()->orX(
-			// handle non empty folders separate
-				$builder->expr()->neq('f.mimetype', $builder->createNamedParameter($folderMimetype, IQueryBuilder::PARAM_INT)),
-				$builder->expr()->eq('f.size', new Literal(0))
-			))
-			->andWhere($builder->expr()->notLike('f.path', $builder->createNamedParameter('files_versions/%')))
-			->andWhere($builder->expr()->notLike('f.path', $builder->createNamedParameter('files_trashbin/%')))
-			->orderBy('f.mtime', 'DESC')
-			->setMaxResults($limit)
-			->setFirstResult($offset);
-		return $query->execute()->fetchAll();
-	}
-
-	private function recentParse($result, $mountMap, $mimetypeLoader) {
-		$files = array_filter(array_map(function (array $entry) use ($mountMap, $mimetypeLoader) {
-			$mount = $mountMap[$entry['storage']];
-			$entry['internalPath'] = $entry['path'];
-			$entry['mimetype'] = $mimetypeLoader->getMimetypeById($entry['mimetype']);
-			$entry['mimepart'] = $mimetypeLoader->getMimetypeById($entry['mimepart']);
-			$path = $this->getAbsolutePath($mount, $entry['path']);
-			if (is_null($path)) {
-				return null;
-			}
-			$fileInfo = new \OC\Files\FileInfo($path, $mount->getStorage(), $entry['internalPath'], $entry, $mount);
-			return $this->root->createNode($fileInfo->getPath(), $fileInfo);
-		}, $result));
-
-		return array_values(array_filter($files, function (Node $node) {
-			$cacheEntry = $node->getMountPoint()->getStorage()->getCache()->get($node->getId());
-			if (!$cacheEntry) {
-				return false;
-			}
-			$relative = $this->getRelativePath($node->getPath());
-			return $relative !== null && $relative !== '/'
-				&& ($cacheEntry->getPermissions() & \OCP\Constants::PERMISSION_READ) === \OCP\Constants::PERMISSION_READ;
-		}));
-	}
-
-	private function getAbsolutePath(IMountPoint $mount, $path) {
-		$storage = $mount->getStorage();
-		if ($storage->instanceOfStorage('\OC\Files\Storage\Wrapper\Jail')) {
-			if ($storage->instanceOfStorage(SharedStorage::class)) {
-				$storage->getSourceStorage();
-			}
-			/** @var \OC\Files\Storage\Wrapper\Jail $storage */
-			$jailRoot = $storage->getUnjailedPath('');
-			$rootLength = strlen($jailRoot) + 1;
-			if ($path === $jailRoot) {
-				return $mount->getMountPoint();
-			} else if (substr($path, 0, $rootLength) === $jailRoot . '/') {
-				return $mount->getMountPoint() . substr($path, $rootLength);
-			} else {
-				return null;
-			}
-		} else {
-			return $mount->getMountPoint() . $path;
-		}
-	}
+    /**
+     * Creates a Folder that represents a non-existing path
+     *
+     * @param string $path path
+     * @return string non-existing node class
+     */
+    protected function createNonExistingNode($path) {
+        return new NonExistingFolder($this->root, $this->view, $path);
+    }
+
+    /**
+     * @param string $path path relative to the folder
+     * @return string
+     * @throws \OCP\Files\NotPermittedException
+     */
+    public function getFullPath($path) {
+        if (!$this->isValidPath($path)) {
+            throw new NotPermittedException('Invalid path');
+        }
+        return $this->path . $this->normalizePath($path);
+    }
+
+    /**
+     * @param string $path
+     * @return string
+     */
+    public function getRelativePath($path) {
+        if ($this->path === '' or $this->path === '/') {
+            return $this->normalizePath($path);
+        }
+        if ($path === $this->path) {
+            return '/';
+        } else if (strpos($path, $this->path . '/') !== 0) {
+            return null;
+        } else {
+            $path = substr($path, strlen($this->path));
+            return $this->normalizePath($path);
+        }
+    }
+
+    /**
+     * check if a node is a (grand-)child of the folder
+     *
+     * @param \OC\Files\Node\Node $node
+     * @return bool
+     */
+    public function isSubNode($node) {
+        return strpos($node->getPath(), $this->path . '/') === 0;
+    }
+
+    /**
+     * get the content of this directory
+     *
+     * @throws \OCP\Files\NotFoundException
+     * @return Node[]
+     */
+    public function getDirectoryListing() {
+        $folderContent = $this->view->getDirectoryContent($this->path);
+
+        return array_map(function (FileInfo $info) {
+            if ($info->getMimetype() === 'httpd/unix-directory') {
+                return new Folder($this->root, $this->view, $info->getPath(), $info);
+            } else {
+                return new File($this->root, $this->view, $info->getPath(), $info);
+            }
+        }, $folderContent);
+    }
+
+    /**
+     * @param string $path
+     * @param FileInfo $info
+     * @return File|Folder
+     */
+    protected function createNode($path, FileInfo $info = null) {
+        if (is_null($info)) {
+            $isDir = $this->view->is_dir($path);
+        } else {
+            $isDir = $info->getType() === FileInfo::TYPE_FOLDER;
+        }
+        if ($isDir) {
+            return new Folder($this->root, $this->view, $path, $info);
+        } else {
+            return new File($this->root, $this->view, $path, $info);
+        }
+    }
+
+    /**
+     * Get the node at $path
+     *
+     * @param string $path
+     * @return \OC\Files\Node\Node
+     * @throws \OCP\Files\NotFoundException
+     */
+    public function get($path) {
+        return $this->root->get($this->getFullPath($path));
+    }
+
+    /**
+     * @param string $path
+     * @return bool
+     */
+    public function nodeExists($path) {
+        try {
+            $this->get($path);
+            return true;
+        } catch (NotFoundException $e) {
+            return false;
+        }
+    }
+
+    /**
+     * @param string $path
+     * @return \OC\Files\Node\Folder
+     * @throws \OCP\Files\NotPermittedException
+     */
+    public function newFolder($path) {
+        if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
+            $fullPath = $this->getFullPath($path);
+            $nonExisting = new NonExistingFolder($this->root, $this->view, $fullPath);
+            $this->sendHooks(['preWrite', 'preCreate'], [$nonExisting]);
+            if(!$this->view->mkdir($fullPath)) {
+                throw new NotPermittedException('Could not create folder');
+            }
+            $node = new Folder($this->root, $this->view, $fullPath);
+            $this->sendHooks(['postWrite', 'postCreate'], [$node]);
+            return $node;
+        } else {
+            throw new NotPermittedException('No create permission for folder');
+        }
+    }
+
+    /**
+     * @param string $path
+     * @return \OC\Files\Node\File
+     * @throws \OCP\Files\NotPermittedException
+     */
+    public function newFile($path) {
+        if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
+            $fullPath = $this->getFullPath($path);
+            $nonExisting = new NonExistingFile($this->root, $this->view, $fullPath);
+            $this->sendHooks(['preWrite', 'preCreate'], [$nonExisting]);
+            if (!$this->view->touch($fullPath)) {
+                throw new NotPermittedException('Could not create path');
+            }
+            $node = new File($this->root, $this->view, $fullPath);
+            $this->sendHooks(['postWrite', 'postCreate'], [$node]);
+            return $node;
+        }
+        throw new NotPermittedException('No create permission for path');
+    }
+
+    /**
+     * search for files with the name matching $query
+     *
+     * @param string|ISearchOperator $query
+     * @return \OC\Files\Node\Node[]
+     */
+    public function search($query) {
+        if (is_string($query)) {
+            return $this->searchCommon('search', array('%' . $query . '%'));
+        } else {
+            return $this->searchCommon('searchQuery', array($query));
+        }
+    }
+
+    /**
+     * search for files by mimetype
+     *
+     * @param string $mimetype
+     * @return Node[]
+     */
+    public function searchByMime($mimetype) {
+        return $this->searchCommon('searchByMime', array($mimetype));
+    }
+
+    /**
+     * search for files by tag
+     *
+     * @param string|int $tag name or tag id
+     * @param string $userId owner of the tags
+     * @return Node[]
+     */
+    public function searchByTag($tag, $userId) {
+        return $this->searchCommon('searchByTag', array($tag, $userId));
+    }
+
+    /**
+     * @param string $method cache method
+     * @param array $args call args
+     * @return \OC\Files\Node\Node[]
+     */
+    private function searchCommon($method, $args) {
+        $files = array();
+        $rootLength = strlen($this->path);
+        $mount = $this->root->getMount($this->path);
+        $storage = $mount->getStorage();
+        $internalPath = $mount->getInternalPath($this->path);
+        $internalPath = rtrim($internalPath, '/');
+        if ($internalPath !== '') {
+            $internalPath = $internalPath . '/';
+        }
+        $internalRootLength = strlen($internalPath);
+
+        $cache = $storage->getCache('');
+
+        $results = call_user_func_array(array($cache, $method), $args);
+        foreach ($results as $result) {
+            if ($internalRootLength === 0 or substr($result['path'], 0, $internalRootLength) === $internalPath) {
+                $result['internalPath'] = $result['path'];
+                $result['path'] = substr($result['path'], $internalRootLength);
+                $result['storage'] = $storage;
+                $files[] = new \OC\Files\FileInfo($this->path . '/' . $result['path'], $storage, $result['internalPath'], $result, $mount);
+            }
+        }
+
+        $mounts = $this->root->getMountsIn($this->path);
+        foreach ($mounts as $mount) {
+            $storage = $mount->getStorage();
+            if ($storage) {
+                $cache = $storage->getCache('');
+
+                $relativeMountPoint = ltrim(substr($mount->getMountPoint(), $rootLength), '/');
+                $results = call_user_func_array(array($cache, $method), $args);
+                foreach ($results as $result) {
+                    $result['internalPath'] = $result['path'];
+                    $result['path'] = $relativeMountPoint . $result['path'];
+                    $result['storage'] = $storage;
+                    $files[] = new \OC\Files\FileInfo($this->path . '/' . $result['path'], $storage, $result['internalPath'], $result, $mount);
+                }
+            }
+        }
+
+        return array_map(function (FileInfo $file) {
+            return $this->createNode($file->getPath(), $file);
+        }, $files);
+    }
+
+    /**
+     * @param int $id
+     * @return \OC\Files\Node\Node[]
+     */
+    public function getById($id) {
+        $mountCache = $this->root->getUserMountCache();
+        if (strpos($this->getPath(), '/', 1) > 0) {
+            list(, $user) = explode('/', $this->getPath());
+        } else {
+            $user = null;
+        }
+        $mountsContainingFile = $mountCache->getMountsForFileId((int)$id, $user);
+        $mounts = $this->root->getMountsIn($this->path);
+        $mounts[] = $this->root->getMount($this->path);
+        /** @var IMountPoint[] $folderMounts */
+        $folderMounts = array_combine(array_map(function (IMountPoint $mountPoint) {
+            return $mountPoint->getMountPoint();
+        }, $mounts), $mounts);
+
+        /** @var ICachedMountInfo[] $mountsContainingFile */
+        $mountsContainingFile = array_values(array_filter($mountsContainingFile, function (ICachedMountInfo $cachedMountInfo) use ($folderMounts) {
+            return isset($folderMounts[$cachedMountInfo->getMountPoint()]);
+        }));
+
+        if (count($mountsContainingFile) === 0) {
+            if ($user === $this->getAppDataDirectoryName()) {
+                return $this->getByIdInRootMount((int) $id);
+            }
+            return [];
+        }
+
+        $nodes = array_map(function (ICachedMountInfo $cachedMountInfo) use ($folderMounts, $id) {
+            $mount = $folderMounts[$cachedMountInfo->getMountPoint()];
+            $cacheEntry = $mount->getStorage()->getCache()->get((int)$id);
+            if (!$cacheEntry) {
+                return null;
+            }
+
+            // cache jails will hide the "true" internal path
+            $internalPath = ltrim($cachedMountInfo->getRootInternalPath() . '/' . $cacheEntry->getPath(), '/');
+            $pathRelativeToMount = substr($internalPath, strlen($cachedMountInfo->getRootInternalPath()));
+            $pathRelativeToMount = ltrim($pathRelativeToMount, '/');
+            $absolutePath = rtrim($cachedMountInfo->getMountPoint() . $pathRelativeToMount, '/');
+            return $this->root->createNode($absolutePath, new \OC\Files\FileInfo(
+                $absolutePath, $mount->getStorage(), $cacheEntry->getPath(), $cacheEntry, $mount,
+                \OC::$server->getUserManager()->get($mount->getStorage()->getOwner($pathRelativeToMount))
+            ));
+        }, $mountsContainingFile);
+
+        $nodes = array_filter($nodes);
+
+        return array_filter($nodes, function (Node $node) {
+            return $this->getRelativePath($node->getPath());
+        });
+    }
+
+    protected function getAppDataDirectoryName(): string {
+        $instanceId = \OC::$server->getConfig()->getSystemValueString('instanceid');
+        return 'appdata_' . $instanceId;
+    }
+
+    /**
+     * In case the path we are currently in is inside the appdata_* folder,
+     * the original getById method does not work, because it can only look inside
+     * the user's mount points. But the user has no mount point for the root storage.
+     *
+     * So in that case we directly check the mount of the root if it contains
+     * the id. If it does we check if the path is inside the path we are working
+     * in.
+     *
+     * @param int $id
+     * @return array
+     */
+    protected function getByIdInRootMount(int $id): array {
+        $mount = $this->root->getMount('');
+        $cacheEntry = $mount->getStorage()->getCache($this->path)->get($id);
+        if (!$cacheEntry) {
+            return [];
+        }
+
+        $absolutePath = '/' . ltrim($cacheEntry->getPath(), '/');
+        $currentPath = rtrim($this->path, '/') . '/';
+
+        if (strpos($absolutePath, $currentPath) !== 0) {
+            return [];
+        }
+
+        return [$this->root->createNode(
+            $absolutePath, new \OC\Files\FileInfo(
+                $absolutePath,
+                $mount->getStorage(),
+                $cacheEntry->getPath(),
+                $cacheEntry,
+                $mount
+        ))];
+    }
+
+    public function getFreeSpace() {
+        return $this->view->free_space($this->path);
+    }
+
+    public function delete() {
+        if ($this->checkPermissions(\OCP\Constants::PERMISSION_DELETE)) {
+            $this->sendHooks(array('preDelete'));
+            $fileInfo = $this->getFileInfo();
+            $this->view->rmdir($this->path);
+            $nonExisting = new NonExistingFolder($this->root, $this->view, $this->path, $fileInfo);
+            $this->sendHooks(['postDelete'], [$nonExisting]);
+            $this->exists = false;
+        } else {
+            throw new NotPermittedException('No delete permission for path');
+        }
+    }
+
+    /**
+     * Add a suffix to the name in case the file exists
+     *
+     * @param string $name
+     * @return string
+     * @throws NotPermittedException
+     */
+    public function getNonExistingName($name) {
+        $uniqueName = \OC_Helper::buildNotExistingFileNameForView($this->getPath(), $name, $this->view);
+        return trim($this->getRelativePath($uniqueName), '/');
+    }
+
+    /**
+     * @param int $limit
+     * @param int $offset
+     * @return \OCP\Files\Node[]
+     */
+    public function getRecent($limit, $offset = 0) {
+        $mimetypeLoader = \OC::$server->getMimeTypeLoader();
+        $mounts = $this->root->getMountsIn($this->path);
+        $mounts[] = $this->getMountPoint();
+
+        $mounts = array_filter($mounts, function (IMountPoint $mount) {
+            return $mount->getStorage();
+        });
+        $storageIds = array_map(function (IMountPoint $mount) {
+            return $mount->getStorage()->getCache()->getNumericStorageId();
+        }, $mounts);
+        /** @var IMountPoint[] $mountMap */
+        $mountMap = array_combine($storageIds, $mounts);
+        $folderMimetype = $mimetypeLoader->getId(FileInfo::MIMETYPE_FOLDER);
+
+        // Search in batches of 500 entries
+        $searchLimit = 500;
+        $results = [];
+        $searchResultCount = 0;
+        $count = 0;
+        do {
+            $searchResult = $this->recentSearch($searchLimit, $offset, $storageIds, $folderMimetype);
+
+            // Exit condition if there are no more results
+            if (count($searchResult) === 0) {
+                break;
+            }
+
+            $searchResultCount += count($searchResult);
+
+            $parseResult = $this->recentParse($searchResult, $mountMap, $mimetypeLoader);
+
+            foreach ($parseResult as $result) {
+                $results[] = $result;
+            }
+
+            $offset += $searchLimit;
+            $count++;
+        } while (count($results) < $limit && ($searchResultCount < (3 * $limit) || $count < 5));
+
+        return array_slice($results, 0, $limit);
+    }
+
+    private function recentSearch($limit, $offset, $storageIds, $folderMimetype) {
+        $builder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
+        $query = $builder
+            ->select('f.*')
+            ->from('filecache', 'f')
+            ->andWhere($builder->expr()->in('f.storage', $builder->createNamedParameter($storageIds, IQueryBuilder::PARAM_INT_ARRAY)))
+            ->andWhere($builder->expr()->orX(
+            // handle non empty folders separate
+                $builder->expr()->neq('f.mimetype', $builder->createNamedParameter($folderMimetype, IQueryBuilder::PARAM_INT)),
+                $builder->expr()->eq('f.size', new Literal(0))
+            ))
+            ->andWhere($builder->expr()->notLike('f.path', $builder->createNamedParameter('files_versions/%')))
+            ->andWhere($builder->expr()->notLike('f.path', $builder->createNamedParameter('files_trashbin/%')))
+            ->orderBy('f.mtime', 'DESC')
+            ->setMaxResults($limit)
+            ->setFirstResult($offset);
+        return $query->execute()->fetchAll();
+    }
+
+    private function recentParse($result, $mountMap, $mimetypeLoader) {
+        $files = array_filter(array_map(function (array $entry) use ($mountMap, $mimetypeLoader) {
+            $mount = $mountMap[$entry['storage']];
+            $entry['internalPath'] = $entry['path'];
+            $entry['mimetype'] = $mimetypeLoader->getMimetypeById($entry['mimetype']);
+            $entry['mimepart'] = $mimetypeLoader->getMimetypeById($entry['mimepart']);
+            $path = $this->getAbsolutePath($mount, $entry['path']);
+            if (is_null($path)) {
+                return null;
+            }
+            $fileInfo = new \OC\Files\FileInfo($path, $mount->getStorage(), $entry['internalPath'], $entry, $mount);
+            return $this->root->createNode($fileInfo->getPath(), $fileInfo);
+        }, $result));
+
+        return array_values(array_filter($files, function (Node $node) {
+            $cacheEntry = $node->getMountPoint()->getStorage()->getCache()->get($node->getId());
+            if (!$cacheEntry) {
+                return false;
+            }
+            $relative = $this->getRelativePath($node->getPath());
+            return $relative !== null && $relative !== '/'
+                && ($cacheEntry->getPermissions() & \OCP\Constants::PERMISSION_READ) === \OCP\Constants::PERMISSION_READ;
+        }));
+    }
+
+    private function getAbsolutePath(IMountPoint $mount, $path) {
+        $storage = $mount->getStorage();
+        if ($storage->instanceOfStorage('\OC\Files\Storage\Wrapper\Jail')) {
+            if ($storage->instanceOfStorage(SharedStorage::class)) {
+                $storage->getSourceStorage();
+            }
+            /** @var \OC\Files\Storage\Wrapper\Jail $storage */
+            $jailRoot = $storage->getUnjailedPath('');
+            $rootLength = strlen($jailRoot) + 1;
+            if ($path === $jailRoot) {
+                return $mount->getMountPoint();
+            } else if (substr($path, 0, $rootLength) === $jailRoot . '/') {
+                return $mount->getMountPoint() . substr($path, $rootLength);
+            } else {
+                return null;
+            }
+        } else {
+            return $mount->getMountPoint() . $path;
+        }
+    }
 }

Spacing +29 added lines, -29 removed lines

@@ -56,7 +56,7 @@ 
 		if (!$this->isValidPath($path)) {
 			throw new NotPermittedException('Invalid path');
 		}
-		return $this->path . $this->normalizePath($path);
+		return $this->path.$this->normalizePath($path);
 	}
 
 	/**
@@ -69,7 +69,7 @@ 
 		}
 		if ($path === $this->path) {
 			return '/';
-		} else if (strpos($path, $this->path . '/') !== 0) {
+		} else if (strpos($path, $this->path.'/') !== 0) {
 			return null;
 		} else {
 			$path = substr($path, strlen($this->path));
@@ -84,7 +84,7 @@ 
 	 * @return bool
 	 */
 	public function isSubNode($node) {
-		return strpos($node->getPath(), $this->path . '/') === 0;
+		return strpos($node->getPath(), $this->path.'/') === 0;
 	}
 
 	/**
@@ -96,7 +96,7 @@ 
 	public function getDirectoryListing() {
 		$folderContent = $this->view->getDirectoryContent($this->path);
 
-		return array_map(function (FileInfo $info) {
+		return array_map(function(FileInfo $info) {
 			if ($info->getMimetype() === 'httpd/unix-directory') {
 				return new Folder($this->root, $this->view, $info->getPath(), $info);
 			} else {
@@ -157,7 +157,7 @@ 
 			$fullPath = $this->getFullPath($path);
 			$nonExisting = new NonExistingFolder($this->root, $this->view, $fullPath);
 			$this->sendHooks(['preWrite', 'preCreate'], [$nonExisting]);
-			if(!$this->view->mkdir($fullPath)) {
+			if (!$this->view->mkdir($fullPath)) {
 				throw new NotPermittedException('Could not create folder');
 			}
 			$node = new Folder($this->root, $this->view, $fullPath);
@@ -196,7 +196,7 @@ 
 	 */
 	public function search($query) {
 		if (is_string($query)) {
-			return $this->searchCommon('search', array('%' . $query . '%'));
+			return $this->searchCommon('search', array('%'.$query.'%'));
 		} else {
 			return $this->searchCommon('searchQuery', array($query));
 		}
@@ -236,7 +236,7 @@ 
 		$internalPath = $mount->getInternalPath($this->path);
 		$internalPath = rtrim($internalPath, '/');
 		if ($internalPath !== '') {
-			$internalPath = $internalPath . '/';
+			$internalPath = $internalPath.'/';
 		}
 		$internalRootLength = strlen($internalPath);
 
@@ -248,7 +248,7 @@ 
 				$result['internalPath'] = $result['path'];
 				$result['path'] = substr($result['path'], $internalRootLength);
 				$result['storage'] = $storage;
-				$files[] = new \OC\Files\FileInfo($this->path . '/' . $result['path'], $storage, $result['internalPath'], $result, $mount);
+				$files[] = new \OC\Files\FileInfo($this->path.'/'.$result['path'], $storage, $result['internalPath'], $result, $mount);
 			}
 		}
 
@@ -262,14 +262,14 @@ 
 				$results = call_user_func_array(array($cache, $method), $args);
 				foreach ($results as $result) {
 					$result['internalPath'] = $result['path'];
-					$result['path'] = $relativeMountPoint . $result['path'];
+					$result['path'] = $relativeMountPoint.$result['path'];
 					$result['storage'] = $storage;
-					$files[] = new \OC\Files\FileInfo($this->path . '/' . $result['path'], $storage, $result['internalPath'], $result, $mount);
+					$files[] = new \OC\Files\FileInfo($this->path.'/'.$result['path'], $storage, $result['internalPath'], $result, $mount);
 				}
 			}
 		}
 
-		return array_map(function (FileInfo $file) {
+		return array_map(function(FileInfo $file) {
 			return $this->createNode($file->getPath(), $file);
 		}, $files);
 	}
@@ -285,16 +285,16 @@ 
 		} else {
 			$user = null;
 		}
-		$mountsContainingFile = $mountCache->getMountsForFileId((int)$id, $user);
+		$mountsContainingFile = $mountCache->getMountsForFileId((int) $id, $user);
 		$mounts = $this->root->getMountsIn($this->path);
 		$mounts[] = $this->root->getMount($this->path);
 		/** @var IMountPoint[] $folderMounts */
-		$folderMounts = array_combine(array_map(function (IMountPoint $mountPoint) {
+		$folderMounts = array_combine(array_map(function(IMountPoint $mountPoint) {
 			return $mountPoint->getMountPoint();
 		}, $mounts), $mounts);
 
 		/** @var ICachedMountInfo[] $mountsContainingFile */
-		$mountsContainingFile = array_values(array_filter($mountsContainingFile, function (ICachedMountInfo $cachedMountInfo) use ($folderMounts) {
+		$mountsContainingFile = array_values(array_filter($mountsContainingFile, function(ICachedMountInfo $cachedMountInfo) use ($folderMounts) {
 			return isset($folderMounts[$cachedMountInfo->getMountPoint()]);
 		}));
 
@@ -305,18 +305,18 @@ 
 			return [];
 		}
 
-		$nodes = array_map(function (ICachedMountInfo $cachedMountInfo) use ($folderMounts, $id) {
+		$nodes = array_map(function(ICachedMountInfo $cachedMountInfo) use ($folderMounts, $id) {
 			$mount = $folderMounts[$cachedMountInfo->getMountPoint()];
-			$cacheEntry = $mount->getStorage()->getCache()->get((int)$id);
+			$cacheEntry = $mount->getStorage()->getCache()->get((int) $id);
 			if (!$cacheEntry) {
 				return null;
 			}
 
 			// cache jails will hide the "true" internal path
-			$internalPath = ltrim($cachedMountInfo->getRootInternalPath() . '/' . $cacheEntry->getPath(), '/');
+			$internalPath = ltrim($cachedMountInfo->getRootInternalPath().'/'.$cacheEntry->getPath(), '/');
 			$pathRelativeToMount = substr($internalPath, strlen($cachedMountInfo->getRootInternalPath()));
 			$pathRelativeToMount = ltrim($pathRelativeToMount, '/');
-			$absolutePath = rtrim($cachedMountInfo->getMountPoint() . $pathRelativeToMount, '/');
+			$absolutePath = rtrim($cachedMountInfo->getMountPoint().$pathRelativeToMount, '/');
 			return $this->root->createNode($absolutePath, new \OC\Files\FileInfo(
 				$absolutePath, $mount->getStorage(), $cacheEntry->getPath(), $cacheEntry, $mount,
 				\OC::$server->getUserManager()->get($mount->getStorage()->getOwner($pathRelativeToMount))
@@ -325,14 +325,14 @@ 
 
 		$nodes = array_filter($nodes);
 
-		return array_filter($nodes, function (Node $node) {
+		return array_filter($nodes, function(Node $node) {
 			return $this->getRelativePath($node->getPath());
 		});
 	}
 
 	protected function getAppDataDirectoryName(): string {
 		$instanceId = \OC::$server->getConfig()->getSystemValueString('instanceid');
-		return 'appdata_' . $instanceId;
+		return 'appdata_'.$instanceId;
 	}
 
 	/**
@@ -354,8 +354,8 @@ 
 			return [];
 		}
 
-		$absolutePath = '/' . ltrim($cacheEntry->getPath(), '/');
-		$currentPath = rtrim($this->path, '/') . '/';
+		$absolutePath = '/'.ltrim($cacheEntry->getPath(), '/');
+		$currentPath = rtrim($this->path, '/').'/';
 
 		if (strpos($absolutePath, $currentPath) !== 0) {
 			return [];
@@ -410,10 +410,10 @@ 
 		$mounts = $this->root->getMountsIn($this->path);
 		$mounts[] = $this->getMountPoint();
 
-		$mounts = array_filter($mounts, function (IMountPoint $mount) {
+		$mounts = array_filter($mounts, function(IMountPoint $mount) {
 			return $mount->getStorage();
 		});
-		$storageIds = array_map(function (IMountPoint $mount) {
+		$storageIds = array_map(function(IMountPoint $mount) {
 			return $mount->getStorage()->getCache()->getNumericStorageId();
 		}, $mounts);
 		/** @var IMountPoint[] $mountMap */
@@ -468,7 +468,7 @@ 
 	}
 
 	private function recentParse($result, $mountMap, $mimetypeLoader) {
-		$files = array_filter(array_map(function (array $entry) use ($mountMap, $mimetypeLoader) {
+		$files = array_filter(array_map(function(array $entry) use ($mountMap, $mimetypeLoader) {
 			$mount = $mountMap[$entry['storage']];
 			$entry['internalPath'] = $entry['path'];
 			$entry['mimetype'] = $mimetypeLoader->getMimetypeById($entry['mimetype']);
@@ -481,7 +481,7 @@ 
 			return $this->root->createNode($fileInfo->getPath(), $fileInfo);
 		}, $result));
 
-		return array_values(array_filter($files, function (Node $node) {
+		return array_values(array_filter($files, function(Node $node) {
 			$cacheEntry = $node->getMountPoint()->getStorage()->getCache()->get($node->getId());
 			if (!$cacheEntry) {
 				return false;
@@ -503,13 +503,13 @@ 
 			$rootLength = strlen($jailRoot) + 1;
 			if ($path === $jailRoot) {
 				return $mount->getMountPoint();
-			} else if (substr($path, 0, $rootLength) === $jailRoot . '/') {
-				return $mount->getMountPoint() . substr($path, $rootLength);
+			} else if (substr($path, 0, $rootLength) === $jailRoot.'/') {
+				return $mount->getMountPoint().substr($path, $rootLength);
 			} else {
 				return null;
 			}
 		} else {
-			return $mount->getMountPoint() . $path;
+			return $mount->getMountPoint().$path;
 		}
 	}
 }