diff options
Diffstat (limited to 'lib/private/Files/Node/Root.php')
-rw-r--r-- | lib/private/Files/Node/Root.php | 323 |
1 files changed, 227 insertions, 96 deletions
diff --git a/lib/private/Files/Node/Root.php b/lib/private/Files/Node/Root.php index fba8a24b40f..76afca9dee8 100644 --- a/lib/private/Files/Node/Root.php +++ b/lib/private/Files/Node/Root.php @@ -1,48 +1,35 @@ <?php + /** - * @copyright Copyright (c) 2016, ownCloud, Inc. - * - * @author Bernhard Posselt <dev@bernhard-posselt.com> - * @author Christoph Wurst <christoph@winzerhof-wurst.at> - * @author Joas Schilling <coding@schilljs.com> - * @author Jörn Friedrich Dreyer <jfd@butonic.de> - * @author Julius Härtl <jus@bitgrid.net> - * @author Lukas Reschke <lukas@statuscode.ch> - * @author Morris Jobke <hey@morrisjobke.de> - * @author Robin Appelman <robin@icewind.nl> - * @author Roeland Jago Douma <roeland@famdouma.nl> - * @author Stefan Weil <sw@weilnetz.de> - * @author Vincent Petry <vincent@nextcloud.com> - * - * @license AGPL-3.0 - * - * This code is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License, version 3, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License, version 3, - * along with this program. If not, see <http://www.gnu.org/licenses/> - * + * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors + * SPDX-FileCopyrightText: 2016 ownCloud, Inc. + * SPDX-License-Identifier: AGPL-3.0-only */ - namespace OC\Files\Node; -use OC\Cache\CappedMemoryCache; +use OC\Files\FileInfo; use OC\Files\Mount\Manager; use OC\Files\Mount\MountPoint; +use OC\Files\Utils\PathHelper; +use OC\Files\View; use OC\Hooks\PublicEmitter; use OC\User\NoUserException; +use OCP\Cache\CappedMemoryCache; +use OCP\EventDispatcher\IEventDispatcher; +use OCP\Files\Cache\ICacheEntry; use OCP\Files\Config\IUserMountCache; +use OCP\Files\Events\Node\FilesystemTornDownEvent; use OCP\Files\IRootFolder; +use OCP\Files\Mount\IMountPoint; +use OCP\Files\Node as INode; use OCP\Files\NotFoundException; use OCP\Files\NotPermittedException; -use OCP\ILogger; +use OCP\ICache; +use OCP\ICacheFactory; +use OCP\IUser; use OCP\IUserManager; +use OCP\Server; +use Psr\Log\LoggerInterface; /** * Class Root @@ -64,35 +51,31 @@ use OCP\IUserManager; * @package OC\Files\Node */ class Root extends Folder implements IRootFolder { - /** @var Manager */ - private $mountManager; - /** @var PublicEmitter */ - private $emitter; - /** @var null|\OC\User\User */ - private $user; - /** @var CappedMemoryCache */ - private $userFolderCache; - /** @var IUserMountCache */ - private $userMountCache; - /** @var ILogger */ - private $logger; - /** @var IUserManager */ - private $userManager; + private Manager $mountManager; + private PublicEmitter $emitter; + private ?IUser $user; + private CappedMemoryCache $userFolderCache; + private IUserMountCache $userMountCache; + private LoggerInterface $logger; + private IUserManager $userManager; + private IEventDispatcher $eventDispatcher; + private ICache $pathByIdCache; /** - * @param \OC\Files\Mount\Manager $manager - * @param \OC\Files\View $view - * @param \OC\User\User|null $user - * @param IUserMountCache $userMountCache - * @param ILogger $logger - * @param IUserManager $userManager + * @param Manager $manager + * @param View $view + * @param IUser|null $user */ - public function __construct($manager, - $view, - $user, - IUserMountCache $userMountCache, - ILogger $logger, - IUserManager $userManager) { + public function __construct( + $manager, + $view, + $user, + IUserMountCache $userMountCache, + LoggerInterface $logger, + IUserManager $userManager, + IEventDispatcher $eventDispatcher, + ICacheFactory $cacheFactory, + ) { parent::__construct($this, $view, ''); $this->mountManager = $manager; $this->user = $user; @@ -101,6 +84,10 @@ class Root extends Folder implements IRootFolder { $this->userMountCache = $userMountCache; $this->logger = $logger; $this->userManager = $userManager; + $eventDispatcher->addListener(FilesystemTornDownEvent::class, function () { + $this->userFolderCache = new CappedMemoryCache(); + }); + $this->pathByIdCache = $cacheFactory->createLocal('path-by-id'); } /** @@ -126,7 +113,7 @@ class Root extends Folder implements IRootFolder { * @param string $method optional * @param callable $callback optional */ - public function removeListener($scope = null, $method = null, callable $callback = null) { + public function removeListener($scope = null, $method = null, ?callable $callback = null) { $this->emitter->removeListener($scope, $method, $callback); } @@ -149,11 +136,7 @@ class Root extends Folder implements IRootFolder { $this->mountManager->addMount($mount); } - /** - * @param string $mountPoint - * @return \OC\Files\Mount\MountPoint - */ - public function getMount($mountPoint) { + public function getMount(string $mountPoint): IMountPoint { return $this->mountManager->find($mountPoint); } @@ -161,7 +144,7 @@ class Root extends Folder implements IRootFolder { * @param string $mountPoint * @return \OC\Files\Mount\MountPoint[] */ - public function getMountsIn($mountPoint) { + public function getMountsIn(string $mountPoint): array { return $this->mountManager->findIn($mountPoint); } @@ -188,19 +171,13 @@ class Root extends Folder implements IRootFolder { $this->mountManager->remove($mount); } - /** - * @param string $path - * @throws \OCP\Files\NotFoundException - * @throws \OCP\Files\NotPermittedException - * @return string - */ public function get($path) { $path = $this->normalizePath($path); if ($this->isValidPath($path)) { $fullPath = $this->getFullPath($path); - $fileInfo = $this->view->getFileInfo($fullPath); + $fileInfo = $this->view->getFileInfo($fullPath, false); if ($fileInfo) { - return $this->createNode($fullPath, $fileInfo); + return $this->createNode($fullPath, $fileInfo, false); } else { throw new NotFoundException($path); } @@ -213,8 +190,8 @@ class Root extends Folder implements IRootFolder { /** * @param string $targetPath + * @return Node * @throws \OCP\Files\NotPermittedException - * @return \OC\Files\Node\Node */ public function rename($targetPath) { throw new NotPermittedException(); @@ -226,8 +203,8 @@ class Root extends Folder implements IRootFolder { /** * @param string $targetPath + * @return Node * @throws \OCP\Files\NotPermittedException - * @return \OC\Files\Node\Node */ public function copy($targetPath) { throw new NotPermittedException(); @@ -267,36 +244,36 @@ class Root extends Folder implements IRootFolder { * @return int */ public function getId() { - return null; + return 0; } /** * @return array */ public function stat() { - return null; + return []; } /** * @return int */ public function getMTime() { - return null; + return 0; } /** * @param bool $includeMounts - * @return int + * @return int|float */ - public function getSize($includeMounts = true) { - return null; + public function getSize($includeMounts = true): int|float { + return 0; } /** * @return string */ public function getEtag() { - return null; + return ''; } /** @@ -335,10 +312,9 @@ class Root extends Folder implements IRootFolder { } /** - * @return Node * @throws \OCP\Files\NotFoundException */ - public function getParent() { + public function getParent(): INode|IRootFolder { throw new NotFoundException(); } @@ -361,6 +337,7 @@ class Root extends Folder implements IRootFolder { $userObject = $this->userManager->get($userId); if (is_null($userObject)) { + $e = new NoUserException('Backends provided no user object'); $this->logger->error( sprintf( 'Backends provided no user object for %s', @@ -368,23 +345,29 @@ class Root extends Folder implements IRootFolder { ), [ 'app' => 'files', + 'exception' => $e, ] ); - throw new NoUserException('Backends provided no user object'); + throw $e; } $userId = $userObject->getUID(); if (!$this->userFolderCache->hasKey($userId)) { - \OC\Files\Filesystem::initMountPoints($userId); - - try { - $folder = $this->get('/' . $userId . '/files'); - } catch (NotFoundException $e) { - if (!$this->nodeExists('/' . $userId)) { - $this->newFolder('/' . $userId); + if ($this->mountManager->getSetupManager()->isSetupComplete($userObject)) { + try { + $folder = $this->get('/' . $userId . '/files'); + if (!$folder instanceof \OCP\Files\Folder) { + throw new \Exception("Account folder for \"$userId\" exists as a file"); + } + } catch (NotFoundException $e) { + if (!$this->nodeExists('/' . $userId)) { + $this->newFolder('/' . $userId); + } + $folder = $this->newFolder('/' . $userId . '/files'); } - $folder = $this->newFolder('/' . $userId . '/files'); + } else { + $folder = new LazyUserFolder($this, $userObject, $this->mountManager); } $this->userFolderCache->set($userId, $folder); @@ -393,11 +376,159 @@ class Root extends Folder implements IRootFolder { return $this->userFolderCache->get($userId); } - public function clearCache() { - $this->userFolderCache = new CappedMemoryCache(); - } - public function getUserMountCache() { return $this->userMountCache; } + + public function getFirstNodeByIdInPath(int $id, string $path): ?INode { + // scope the cache by user, so we don't return nodes for different users + if ($this->user) { + $cachedPath = $this->pathByIdCache->get($this->user->getUID() . '::' . $id); + if ($cachedPath && str_starts_with($cachedPath, $path)) { + // getting the node by path is significantly cheaper than finding it by id + try { + $node = $this->get($cachedPath); + // by validating that the cached path still has the requested fileid we can work around the need to invalidate the cached path + // if the cached path is invalid or a different file now we fall back to the uncached logic + if ($node && $node->getId() === $id) { + return $node; + } + } catch (NotFoundException|NotPermittedException) { + // The file may be moved but the old path still in cache + } + } + } + $node = current($this->getByIdInPath($id, $path)); + if (!$node) { + return null; + } + + if ($this->user) { + $this->pathByIdCache->set($this->user->getUID() . '::' . $id, $node->getPath()); + } + return $node; + } + + /** + * @param int $id + * @return Node[] + */ + public function getByIdInPath(int $id, string $path): array { + $mountCache = $this->getUserMountCache(); + if ($path !== '' && strpos($path, '/', 1) > 0) { + [, $user] = explode('/', $path); + } else { + $user = null; + } + $mountsContainingFile = $mountCache->getMountsForFileId($id, $user); + + // if the mount isn't in the cache yet, perform a setup first, then try again + if (count($mountsContainingFile) === 0) { + $this->mountManager->getSetupManager()->setupForPath($path, true); + $mountsContainingFile = $mountCache->getMountsForFileId($id, $user); + } + + // when a user has access through the same storage through multiple paths + // (such as an external storage that is both mounted for a user and shared to the user) + // the mount cache will only hold a single entry for the storage + // this can lead to issues as the different ways the user has access to a storage can have different permissions + // + // so instead of using the cached entries directly, we instead filter the current mounts by the rootid of the cache entry + + $mountRootIds = array_map(function ($mount) { + return $mount->getRootId(); + }, $mountsContainingFile); + $mountRootPaths = array_map(function ($mount) { + return $mount->getRootInternalPath(); + }, $mountsContainingFile); + $mountProviders = array_unique(array_map(function ($mount) { + return $mount->getMountProvider(); + }, $mountsContainingFile)); + $mountRoots = array_combine($mountRootIds, $mountRootPaths); + + $mounts = $this->mountManager->getMountsByMountProvider($path, $mountProviders); + + $mountsContainingFile = array_filter($mounts, function ($mount) use ($mountRoots) { + return isset($mountRoots[$mount->getStorageRootId()]); + }); + + if (count($mountsContainingFile) === 0) { + if ($user === $this->getAppDataDirectoryName()) { + $folder = $this->get($path); + if ($folder instanceof Folder) { + return $folder->getByIdInRootMount($id); + } else { + throw new \Exception('getByIdInPath with non folder'); + } + } + return []; + } + + $nodes = array_map(function (IMountPoint $mount) use ($id, $mountRoots) { + $rootInternalPath = $mountRoots[$mount->getStorageRootId()]; + $cacheEntry = $mount->getStorage()->getCache()->get($id); + if (!$cacheEntry) { + return null; + } + + // cache jails will hide the "true" internal path + $internalPath = ltrim($rootInternalPath . '/' . $cacheEntry->getPath(), '/'); + $pathRelativeToMount = substr($internalPath, strlen($rootInternalPath)); + $pathRelativeToMount = ltrim($pathRelativeToMount, '/'); + $absolutePath = rtrim($mount->getMountPoint() . $pathRelativeToMount, '/'); + $storage = $mount->getStorage(); + if ($storage === null) { + return null; + } + $ownerId = $storage->getOwner($pathRelativeToMount); + if ($ownerId !== false) { + $owner = Server::get(IUserManager::class)->get($ownerId); + } else { + $owner = null; + } + return $this->createNode($absolutePath, new FileInfo( + $absolutePath, + $storage, + $cacheEntry->getPath(), + $cacheEntry, + $mount, + $owner, + )); + }, $mountsContainingFile); + + $nodes = array_filter($nodes); + + $folders = array_filter($nodes, function (Node $node) use ($path) { + return PathHelper::getRelativePath($path, $node->getPath()) !== null; + }); + usort($folders, function ($a, $b) { + return $b->getPath() <=> $a->getPath(); + }); + return $folders; + } + + public function getNodeFromCacheEntryAndMount(ICacheEntry $cacheEntry, IMountPoint $mountPoint): INode { + $path = $cacheEntry->getPath(); + $fullPath = $mountPoint->getMountPoint() . $path; + // todo: LazyNode? + $info = new FileInfo($fullPath, $mountPoint->getStorage(), $path, $cacheEntry, $mountPoint); + $parentPath = dirname($fullPath); + $parent = new LazyFolder($this, function () use ($parentPath) { + $parent = $this->get($parentPath); + if ($parent instanceof \OCP\Files\Folder) { + return $parent; + } else { + throw new \Exception("parent $parentPath is not a folder"); + } + }, [ + 'path' => $parentPath, + ]); + $isDir = $info->getType() === FileInfo::TYPE_FOLDER; + $view = new View(''); + if ($isDir) { + return new Folder($this, $view, $fullPath, $info, $parent); + } else { + return new File($this, $view, $fullPath, $info, $parent); + } + } } |