server/lib/private/cache/fileglobalgc.php
2015-02-25 14:13:58 +01:00

71 lines
2 KiB
PHP

<?php
/**
* @author Robin Appelman <icewind@owncloud.com>
* @author Thomas Tanghus <thomas@tanghus.net>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @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 OC\Cache;
use OC\BackgroundJob\Job;
use OCP\IConfig;
class FileGlobalGC extends Job {
public function run($argument) {
$this->gc(\OC::$server->getConfig(), $this->getCacheDir());
}
protected function getCacheDir() {
return get_temp_dir() . '/owncloud-' . \OC_Util::getInstanceId() . '/';
}
/**
* @param string $cacheDir
* @param int $now
* @return string[]
*/
public function getExpiredPaths($cacheDir, $now) {
$files = scandir($cacheDir);
$files = array_filter($files, function ($file) {
return $file != '.' and $file != '..';
});
$paths = array_map(function ($file) use ($cacheDir) {
return $cacheDir . $file;
}, $files);
return array_values(array_filter($paths, function ($path) use ($now) {
return is_file($path) and (filemtime($path) < $now);
}));
}
/**
* @param \OCP\IConfig $config
* @param string $cacheDir
*/
public function gc(IConfig $config, $cacheDir) {
$lastRun = $config->getAppValue('core', 'global_cache_gc_lastrun', 0);
$now = time();
if (($now - $lastRun) < 300) {
// only do cleanup every 5 minutes
return;
}
$config->setAppValue('core', 'global_cache_gc_lastrun', $now);
if (!is_dir($cacheDir)) {
return;
}
array_walk($this->getExpiredPaths($cacheDir, $now), 'unlink');
}
}