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