123 lines
3.4 KiB
PHP
123 lines
3.4 KiB
PHP
<?php
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/**
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* @author Björn Schießle <schiessle@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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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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class Storage extends Wrapper {
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private $mountPoint;
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// remember already deleted files to avoid infinite loops if the trash bin
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// move files across storages
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private $deletedFiles = array();
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/**
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* Disable trash logic
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*
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* @var bool
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*/
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private static $disableTrash = false;
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function __construct($parameters) {
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$this->mountPoint = $parameters['mountPoint'];
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parent::__construct($parameters);
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}
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/**
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* @internal
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*/
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public static function preRenameHook($params) {
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// in cross-storage cases, a rename is a copy + unlink,
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// that last unlink must not go to trash
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self::$disableTrash = true;
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}
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/**
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* @internal
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*/
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public static function postRenameHook($params) {
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self::$disableTrash = false;
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}
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/**
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* Rename path1 to path2 by calling the wrapped storage.
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*
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* @param string $path1 first path
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* @param string $path2 second path
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*/
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public function rename($path1, $path2) {
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$result = $this->storage->rename($path1, $path2);
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if ($result === false) {
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// when rename failed, the post_rename hook isn't triggered,
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// but we still want to reenable the trash logic
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self::$disableTrash = false;
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}
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return $result;
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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 $path
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*/
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public function unlink($path) {
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if (self::$disableTrash) {
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return $this->storage->unlink($path);
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}
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$normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path);
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$result = true;
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if (!isset($this->deletedFiles[$normalized])) {
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$view = Filesystem::getView();
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$this->deletedFiles[$normalized] = $normalized;
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if ($filesPath = $view->getRelativePath($normalized)) {
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$filesPath = trim($filesPath, '/');
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$result = \OCA\Files_Trashbin\Trashbin::move2trash($filesPath);
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// in cross-storage cases the file will be copied
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// but not deleted, so we delete it here
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if ($result) {
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$this->storage->unlink($path);
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}
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} else {
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$result = $this->storage->unlink($path);
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}
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unset($this->deletedFiles[$normalized]);
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} else if ($this->storage->file_exists($path)) {
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$result = $this->storage->unlink($path);
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}
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return $result;
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}
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/**
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* Setup the storate wrapper callback
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*/
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public static function setupStorage() {
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\OC\Files\Filesystem::addStorageWrapper('oc_trashbin', function ($mountPoint, $storage) {
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return new \OCA\Files_Trashbin\Storage(array('storage' => $storage, 'mountPoint' => $mountPoint));
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});
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}
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}
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