nextcloud/cron.php

127 lines
3.6 KiB
PHP

<?php
/**
* ownCloud
*
* @author Jakob Sack
* @copyright 2012 Jakob Sack owncloud@jakobsack.de
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
*/
try {
require_once 'lib/base.php';
if (\OCP\Util::needUpgrade()) {
\OCP\Util::writeLog('cron', 'Update required, skipping cron', \OCP\Util::DEBUG);
exit();
}
// load all apps to get all api routes properly setup
OC_App::loadApps();
\OC::$server->getSession()->close();
// initialize a dummy memory session
\OC::$server->setSession(new \OC\Session\Memory(''));
$logger = \OC_Log::$object;
// Don't do anything if ownCloud has not been installed
if (!OC_Config::getValue('installed', false)) {
exit(0);
}
\OC::$server->getTempManager()->cleanOld();
// Exit if background jobs are disabled!
$appMode = OC_BackgroundJob::getExecutionType();
if ($appMode == 'none') {
if (OC::$CLI) {
echo 'Background Jobs are disabled!' . PHP_EOL;
} else {
OC_JSON::error(array('data' => array('message' => 'Background jobs disabled!')));
}
exit(1);
}
if (OC::$CLI) {
$config = OC::$server->getConfig();
$instanceId = $config->getSystemValue('instanceid');
$lockFileName = 'owncloud-server-' . $instanceId . '-cron.lock';
$lockDirectory = $config->getSystemValue('cron.lockfile.location', sys_get_temp_dir());
$lockDirectory = rtrim($lockDirectory, '\\/');
$lockFile = $lockDirectory . '/' . $lockFileName;
if (!file_exists($lockFile)) {
touch($lockFile);
}
// We call ownCloud from the CLI (aka cron)
if ($appMode != 'cron') {
OC_BackgroundJob::setExecutionType('cron');
}
// open the file and try to lock if. If it is not locked, the background
// job can be executed, otherwise another instance is already running
$fp = fopen($lockFile, 'w');
$isLocked = flock($fp, LOCK_EX|LOCK_NB, $wouldBlock);
// check if backgroundjobs is still running. The wouldBlock check is
// needed on systems with advisory locking, see
// http://php.net/manual/en/function.flock.php#45464
if (!$isLocked || $wouldBlock) {
echo "Another instance of cron.php is still running!" . PHP_EOL;
exit(1);
}
// Work
$jobList = \OC::$server->getJobList();
$jobs = $jobList->getAll();
foreach ($jobs as $job) {
$job->execute($jobList, $logger);
}
// unlock the file
flock($fp, LOCK_UN);
fclose($fp);
} else {
// We call cron.php from some website
if ($appMode == 'cron') {
// Cron is cron :-P
OC_JSON::error(array('data' => array('message' => 'Backgroundjobs are using system cron!')));
} else {
// Work and success :-)
$jobList = \OC::$server->getJobList();
$job = $jobList->getNext();
if ($job != null) {
$job->execute($jobList, $logger);
$jobList->setLastJob($job);
}
OC_JSON::success();
}
}
// Log the successful cron execution
if (\OC::$server->getConfig()->getSystemValue('cron_log', true)) {
\OC::$server->getConfig()->setAppValue('core', 'lastcron', time());
}
exit();
} catch (Exception $ex) {
\OCP\Util::writeLog('cron', $ex->getMessage(), \OCP\Util::FATAL);
}