2015-01-14 23:06:26 +03:00
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<?php
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/**
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2016-07-21 17:49:16 +03:00
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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2017-11-06 17:56:42 +03:00
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* @author Bjoern Schiessle <bjoern@schiessle.org>
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2016-05-26 20:56:05 +03:00
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* @author Björn Schießle <bjoern@schiessle.org>
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2017-11-06 17:56:42 +03:00
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* @author Joas Schilling <coding@schilljs.com>
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2015-03-26 13:44:34 +03:00
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* @author Morris Jobke <hey@morrisjobke.de>
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2016-07-21 19:13:36 +03:00
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* @author Robin Appelman <robin@icewind.nl>
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2015-03-26 13:44:34 +03:00
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* @author Vincent Petry <pvince81@owncloud.com>
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2015-01-14 23:06:26 +03:00
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*
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2015-03-26 13:44:34 +03:00
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* @license AGPL-3.0
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2015-01-14 23:06:26 +03:00
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*
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2015-03-26 13:44:34 +03:00
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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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2015-02-23 13:28:53 +03:00
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*
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2015-03-26 13:44:34 +03:00
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* This program is distributed in the hope that it will be useful,
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2015-01-14 23:06:26 +03:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2015-03-26 13:44:34 +03:00
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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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2015-01-14 23:06:26 +03:00
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*
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*/
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2015-02-26 13:37:37 +03:00
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2015-01-14 23:06:26 +03:00
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namespace OCA\Files_Trashbin;
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2015-01-23 16:19:36 +03:00
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use OC\Files\Filesystem;
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2015-01-14 23:06:26 +03:00
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use OC\Files\Storage\Wrapper\Wrapper;
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2015-10-27 14:10:23 +03:00
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use OC\Files\View;
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2017-09-14 14:59:09 +03:00
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use OCA\Files_Trashbin\Events\MoveToTrashEvent;
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2018-09-10 15:40:35 +03:00
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use OCA\Files_Trashbin\Trash\ITrashManager;
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2017-03-14 14:05:25 +03:00
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use OCP\Encryption\Exceptions\GenericEncryptionException;
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2017-09-14 14:59:09 +03:00
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use OCP\Files\IRootFolder;
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2018-09-10 15:40:35 +03:00
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use OCP\Files\Mount\IMountPoint;
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2017-09-14 14:59:09 +03:00
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use OCP\Files\Node;
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2017-03-14 14:05:25 +03:00
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use OCP\ILogger;
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2015-07-07 19:38:58 +03:00
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use OCP\IUserManager;
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2019-05-28 20:46:36 +03:00
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use Symfony\Component\EventDispatcher\EventDispatcherInterface;
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2015-01-14 23:06:26 +03:00
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class Storage extends Wrapper {
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/** @var IMountPoint */
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2015-01-14 23:06:26 +03:00
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private $mountPoint;
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2016-12-21 17:42:57 +03:00
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2015-07-07 19:38:58 +03:00
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/** @var IUserManager */
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private $userManager;
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2017-03-14 14:05:25 +03:00
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/** @var ILogger */
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private $logger;
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2019-05-28 20:46:36 +03:00
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/** @var EventDispatcherInterface */
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2017-09-14 14:59:09 +03:00
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private $eventDispatcher;
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/** @var IRootFolder */
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private $rootFolder;
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2018-09-10 15:40:35 +03:00
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/** @var ITrashManager */
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private $trashManager;
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2016-12-21 17:42:57 +03:00
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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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2018-09-10 15:40:35 +03:00
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* @param ITrashManager $trashManager
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2016-12-21 17:42:57 +03:00
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* @param IUserManager|null $userManager
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2017-09-14 14:59:09 +03:00
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* @param ILogger|null $logger
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2019-05-28 20:46:36 +03:00
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* @param EventDispatcherInterface|null $eventDispatcher
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2017-09-14 14:59:09 +03:00
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* @param IRootFolder|null $rootFolder
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2016-12-21 17:42:57 +03:00
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*/
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2018-09-10 15:40:35 +03:00
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public function __construct(
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$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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2019-05-28 20:46:36 +03:00
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EventDispatcherInterface $eventDispatcher = null,
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2018-09-10 15:40:35 +03:00
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IRootFolder $rootFolder = null
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) {
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2015-01-14 23:06:26 +03:00
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$this->mountPoint = $parameters['mountPoint'];
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2018-09-10 15:40:35 +03:00
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$this->trashManager = $trashManager;
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2015-07-07 19:38:58 +03:00
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$this->userManager = $userManager;
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$this->logger = $logger;
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2017-09-14 14:59:09 +03:00
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$this->eventDispatcher = $eventDispatcher;
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$this->rootFolder = $rootFolder;
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2015-01-14 23:06:26 +03:00
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parent::__construct($parameters);
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}
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2015-01-26 14:22:22 +03:00
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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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2015-05-11 18:53:21 +03:00
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* @param string $path path of file or folder to delete
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*
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* @return bool true if the operation succeeded, false otherwise
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2015-01-26 14:22:22 +03:00
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*/
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2015-01-14 23:06:26 +03:00
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public function unlink($path) {
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2017-03-14 14:05:25 +03:00
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try {
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2018-09-10 15:40:35 +03:00
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return $this->doDelete($path, 'unlink');
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2017-03-14 14:05:25 +03:00
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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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2018-09-10 15:40:35 +03:00
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"Can't move file" . $path .
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2017-03-14 14:05:25 +03:00
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"to the trash bin, therefore it was deleted right away");
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2018-09-10 15:40:35 +03:00
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return $this->storage->unlink($path);
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2016-12-21 17:42:57 +03:00
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}
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2015-05-11 18:53:21 +03:00
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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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2018-09-10 15:40:35 +03:00
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return $this->doDelete($path, 'rmdir');
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2015-05-11 18:53:21 +03:00
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}
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2015-07-07 19:38:58 +03:00
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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 $path
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* @return bool
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*/
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2018-09-10 15:40:35 +03:00
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protected function shouldMoveToTrash($path) {
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2017-09-14 14:59:09 +03:00
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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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2015-07-07 19:38:58 +03:00
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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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2017-12-01 13:47:56 +03:00
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if ($parts[2] === 'files' && $this->userManager->userExists($parts[1])) {
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2015-07-07 19:38:58 +03:00
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return true;
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}
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return false;
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}
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2017-09-14 14:59:09 +03:00
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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 $node) {
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2018-01-26 02:02:03 +03:00
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return new MoveToTrashEvent($node);
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2017-09-14 14:59:09 +03:00
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}
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2015-05-11 18:53:21 +03:00
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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 $method either "unlink" or "rmdir"
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*
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* @return bool true if the operation succeeded, false otherwise
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*/
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2018-09-10 15:40:35 +03:00
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private function doDelete($path, $method) {
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if (
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!\OC::$server->getAppManager()->isEnabledForUser('files_trashbin')
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2015-04-21 19:28:15 +03:00
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|| (pathinfo($path, PATHINFO_EXTENSION) === 'part')
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2015-07-07 19:38:58 +03:00
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|| $this->shouldMoveToTrash($path) === false
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2015-04-21 19:28:15 +03:00
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) {
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2018-09-10 15:40:35 +03:00
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return call_user_func([$this->storage, $method], $path);
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2015-01-26 14:22:22 +03:00
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}
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2015-09-30 15:35:11 +03:00
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// check permissions before we continue, this is especially important for
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// shared files
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if (!$this->isDeletable($path)) {
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return false;
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}
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2018-09-10 15:40:35 +03:00
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$isMovedToTrash = $this->trashManager->moveToTrash($this, $path);
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if (!$isMovedToTrash) {
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return call_user_func([$this->storage, $method], $path);
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} else {
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return true;
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2015-01-14 23:06:26 +03:00
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}
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}
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/**
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* Setup the storate wrapper callback
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*/
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public static function setupStorage() {
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\OC\Files\Filesystem::addStorageWrapper('oc_trashbin', function ($mountPoint, $storage) {
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2015-07-07 19:38:58 +03:00
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return new \OCA\Files_Trashbin\Storage(
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2018-09-10 15:40:35 +03:00
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['storage' => $storage, 'mountPoint' => $mountPoint],
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\OC::$server->query(ITrashManager::class),
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2017-03-14 14:05:25 +03:00
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\OC::$server->getUserManager(),
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2017-09-14 14:59:09 +03:00
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\OC::$server->getLogger(),
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\OC::$server->getEventDispatcher(),
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\OC::$server->getLazyRootFolder()
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2015-07-07 19:38:58 +03:00
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);
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2015-04-01 18:22:04 +03:00
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}, 1);
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2015-01-14 23:06:26 +03:00
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}
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2018-09-10 15:40:35 +03:00
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public function getMountPoint() {
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return $this->mountPoint;
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}
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2015-01-14 23:06:26 +03:00
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}
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