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- <?php
- /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Robin Appelman <robin@icewind.nl>
- *
- * @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 <http://www.gnu.org/licenses/>
- *
- */
-
- namespace OCA\Files\BackgroundJob;
-
- use OC\Files\Utils\Scanner;
- use OCP\DB\QueryBuilder\IQueryBuilder;
- use OCP\EventDispatcher\IEventDispatcher;
- use OCP\IConfig;
- use OCP\IDBConnection;
- use OCP\ILogger;
- use OCP\IUserManager;
-
- /**
- * Class ScanFiles is a background job used to run the file scanner over the user
- * accounts to ensure integrity of the file cache.
- *
- * @package OCA\Files\BackgroundJob
- */
- class ScanFiles extends \OC\BackgroundJob\TimedJob {
- /** @var IConfig */
- private $config;
- /** @var IUserManager */
- private $userManager;
- /** @var IEventDispatcher */
- private $dispatcher;
- /** @var ILogger */
- private $logger;
- private $connection;
-
- /** Amount of users that should get scanned per execution */
- public const USERS_PER_SESSION = 500;
-
- /**
- * @param IConfig $config
- * @param IUserManager $userManager
- * @param IEventDispatcher $dispatcher
- * @param ILogger $logger
- * @param IDBConnection $connection
- */
- public function __construct(
- IConfig $config,
- IUserManager $userManager,
- IEventDispatcher $dispatcher,
- ILogger $logger,
- IDBConnection $connection
- ) {
- // Run once per 10 minutes
- $this->setInterval(60 * 10);
-
- $this->config = $config;
- $this->userManager = $userManager;
- $this->dispatcher = $dispatcher;
- $this->logger = $logger;
- $this->connection = $connection;
- }
-
- /**
- * @param string $user
- */
- protected function runScanner(string $user) {
- try {
- $scanner = new Scanner(
- $user,
- null,
- $this->dispatcher,
- $this->logger
- );
- $scanner->backgroundScan('');
- } catch (\Exception $e) {
- $this->logger->logException($e, ['app' => 'files']);
- }
- \OC_Util::tearDownFS();
- }
-
- /**
- * Find all storages which have unindexed files and return a user for each
- *
- * @return string[]
- */
- private function getUsersToScan(): array {
- $query = $this->connection->getQueryBuilder();
- $query->select($query->func()->max('user_id'))
- ->from('filecache', 'f')
- ->innerJoin('f', 'mounts', 'm', $query->expr()->eq('storage_id', 'storage'))
- ->where($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)))
- ->groupBy('storage_id')
- ->setMaxResults(self::USERS_PER_SESSION);
-
- return $query->execute()->fetchAll(\PDO::FETCH_COLUMN);
- }
-
- /**
- * @param $argument
- * @throws \Exception
- */
- protected function run($argument) {
- if ($this->config->getSystemValueBool('files_no_background_scan', false)) {
- return;
- }
-
- $users = $this->getUsersToScan();
-
- foreach ($users as $user) {
- $this->runScanner($user);
- }
- }
- }
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