* @author Robin Appelman * @author Roeland Jago Douma * @author Vincent Petry * * @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 * */ namespace OCA\Files_Sharing; use OC\Files\ObjectStore\ObjectStoreScanner; /** * Scanner for SharedStorage */ class Scanner extends \OC\Files\Cache\Scanner { /** * @var \OCA\Files_Sharing\SharedStorage $storage */ protected $storage; private $sourceScanner; /** * Returns metadata from the shared storage, but * with permissions from the source storage. * * @param string $path path of the file for which to retrieve metadata * * @return array|null an array of metadata of the file */ public function getData($path) { $data = parent::getData($path); if ($data === null) { return null; } $internalPath = $this->storage->getUnjailedPath($path); $data['permissions'] = $this->storage->getSourceStorage()->getPermissions($internalPath); return $data; } private function getSourceScanner() { if ($this->sourceScanner) { return $this->sourceScanner; } if ($this->storage->instanceOfStorage('\OCA\Files_Sharing\SharedStorage')) { /** @var \OC\Files\Storage\Storage $storage */ [$storage] = $this->storage->resolvePath(''); $this->sourceScanner = $storage->getScanner(); return $this->sourceScanner; } else { return null; } } public function scanFile($file, $reuseExisting = 0, $parentId = -1, $cacheData = null, $lock = true, $data = null) { $sourceScanner = $this->getSourceScanner(); if ($sourceScanner instanceof ObjectStoreScanner) { // ObjectStoreScanner doesn't scan return []; } else { return parent::scanFile($file, $reuseExisting, $parentId, $cacheData, $lock); } } }