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<?php
/**
* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\FilesAccessControl;
use OC\Files\Cache\Wrapper\CacheWrapper as Wrapper;
use OCP\Constants;
use OCP\Files\Cache\ICache;
use OCP\Files\ForbiddenException;
use OCP\Files\Storage\IStorage;
class CacheWrapper extends Wrapper {
/** @var Operation */
protected $operation;
/** @var StorageWrapper */
protected $storage;
/** @var int */
protected $mask;
/**
* @param ICache $cache
* @param IStorage $storage
* @param Operation $operation
*/
public function __construct(ICache $cache, IStorage $storage, Operation $operation) {
parent::__construct($cache);
$this->storage = $storage;
$this->operation = $operation;
$this->mask = Constants::PERMISSION_ALL;
$this->mask &= ~Constants::PERMISSION_READ;
$this->mask &= ~Constants::PERMISSION_CREATE;
$this->mask &= ~Constants::PERMISSION_UPDATE;
$this->mask &= ~Constants::PERMISSION_DELETE;
}
public const PERMISSION_CREATE = 4;
public const PERMISSION_READ = 1;
public const PERMISSION_UPDATE = 2;
public const PERMISSION_DELETE = 8;
protected function formatCacheEntry($entry) {
if (isset($entry['path']) && isset($entry['permissions'])) {
try {
$this->operation->checkFileAccess($this->storage, $entry['path'], $entry['mimetype'] === 'httpd/unix-directory');
} catch (ForbiddenException $e) {
$entry['permissions'] &= $this->mask;
}
}
return $entry;
}
}
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