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<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Bjoern Schiessle <[email protected]> |
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* @author Björn Schießle <[email protected]> |
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* @author Joas Schilling <[email protected]> |
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* @author Morris Jobke <[email protected]> |
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* @author Robin Appelman <[email protected]> |
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* @author Vincent Petry <[email protected]> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OCA\Files_Trashbin; |
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use OC\Files\Filesystem; |
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use OC\Files\Storage\Wrapper\Wrapper; |
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use OC\Files\View; |
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use OCA\Files_Trashbin\Events\MoveToTrashEvent; |
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use OCA\Files_Trashbin\Trash\ITrashManager; |
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use OCP\Encryption\Exceptions\GenericEncryptionException; |
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use OCP\Files\IRootFolder; |
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use OCP\Files\Mount\IMountPoint; |
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use OCP\Files\Node; |
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use OCP\ILogger; |
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use OCP\IUserManager; |
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use Symfony\Component\EventDispatcher\EventDispatcher; |
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class Storage extends Wrapper { |
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/** @var IMountPoint */ |
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private $mountPoint; |
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/** @var IUserManager */ |
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private $userManager; |
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/** @var ILogger */ |
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private $logger; |
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/** @var EventDispatcher */ |
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private $eventDispatcher; |
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/** @var IRootFolder */ |
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private $rootFolder; |
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/** @var ITrashManager */ |
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private $trashManager; |
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/** |
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* Storage constructor. |
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* |
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* @param array $parameters |
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* @param ITrashManager $trashManager |
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* @param IUserManager|null $userManager |
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* @param ILogger|null $logger |
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* @param EventDispatcher|null $eventDispatcher |
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* @param IRootFolder|null $rootFolder |
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*/ |
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public function __construct( |
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$parameters, |
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ITrashManager $trashManager = null, |
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IUserManager $userManager = null, |
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ILogger $logger = null, |
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EventDispatcher $eventDispatcher = null, |
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IRootFolder $rootFolder = null |
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) { |
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$this->mountPoint = $parameters['mountPoint']; |
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$this->trashManager = $trashManager; |
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$this->userManager = $userManager; |
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$this->logger = $logger; |
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$this->eventDispatcher = $eventDispatcher; |
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$this->rootFolder = $rootFolder; |
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parent::__construct($parameters); |
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} |
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/** |
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* Deletes the given file by moving it into the trashbin. |
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* |
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* @param string $path path of file or folder to delete |
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* |
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* @return bool true if the operation succeeded, false otherwise |
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*/ |
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public function unlink($path) { |
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try { |
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return $this->doDelete($path, 'unlink'); |
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} catch (GenericEncryptionException $e) { |
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// in case of a encryption exception we delete the file right away |
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$this->logger->info( |
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"Can't move file" . $path . |
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"to the trash bin, therefore it was deleted right away"); |
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return $this->storage->unlink($path); |
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} |
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} |
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/** |
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* Deletes the given folder by moving it into the trashbin. |
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* |
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* @param string $path path of folder to delete |
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* |
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* @return bool true if the operation succeeded, false otherwise |
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*/ |
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public function rmdir($path) { |
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return $this->doDelete($path, 'rmdir'); |
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} |
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/** |
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* check if it is a file located in data/user/files only files in the |
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* 'files' directory should be moved to the trash |
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* |
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* @param $path |
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* @return bool |
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*/ |
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protected function shouldMoveToTrash($path) { |
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// check if there is a app which want to disable the trash bin for this file |
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$fileId = $this->storage->getCache()->getId($path); |
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$nodes = $this->rootFolder->getById($fileId); |
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foreach ($nodes as $node) { |
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$event = $this->createMoveToTrashEvent($node); |
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$this->eventDispatcher->dispatch('OCA\Files_Trashbin::moveToTrash', $event); |
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if ($event->shouldMoveToTrashBin() === false) { |
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return false; |
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} |
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} |
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$normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path); |
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$parts = explode('/', $normalized); |
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if (count($parts) < 4) { |
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return false; |
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} |
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if ($parts[2] === 'files' && $this->userManager->userExists($parts[1])) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* get move to trash event |
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* |
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* @param Node $node |
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* @return MoveToTrashEvent |
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*/ |
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protected function createMoveToTrashEvent(Node $node) { |
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return new MoveToTrashEvent($node); |
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} |
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/** |
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* Run the delete operation with the given method |
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* |
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* @param string $path path of file or folder to delete |
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* @param string $method either "unlink" or "rmdir" |
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* |
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* @return bool true if the operation succeeded, false otherwise |
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*/ |
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private function doDelete($path, $method) { |
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if ( |
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!\OC::$server->getAppManager()->isEnabledForUser('files_trashbin') |
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|| (pathinfo($path, PATHINFO_EXTENSION) === 'part') |
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|| $this->shouldMoveToTrash($path) === false |
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) { |
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return call_user_func([$this->storage, $method], $path); |
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} |
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// check permissions before we continue, this is especially important for |
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// shared files |
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if (!$this->isDeletable($path)) { |
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return false; |
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} |
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$isMovedToTrash = $this->trashManager->moveToTrash($this, $path); |
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if (!$isMovedToTrash) { |
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return call_user_func([$this->storage, $method], $path); |
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} else { |
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return true; |
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} |
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} |
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/** |
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* Setup the storate wrapper callback |
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*/ |
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public static function setupStorage() { |
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\OC\Files\Filesystem::addStorageWrapper('oc_trashbin', function ($mountPoint, $storage) { |
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return new \OCA\Files_Trashbin\Storage( |
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['storage' => $storage, 'mountPoint' => $mountPoint], |
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\OC::$server->query(ITrashManager::class), |
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\OC::$server->getUserManager(), |
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\OC::$server->getLogger(), |
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\OC::$server->getEventDispatcher(), |
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\OC::$server->getLazyRootFolder() |
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); |
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}, 1); |
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} |
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public function getMountPoint() { |
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return $this->mountPoint; |
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} |
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} |
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nextcloud /
server
