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<?php
/**
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Christopher Schäpers <kondou@ts.unde.re>
* @author Jakob Sack <mail@jakobsack.de>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Oliver Kohl D.Sc. <oliver@kohl.bz>
* @author Robin Appelman <icewind@owncloud.com>
* @author Steffen Lindner <mail@steffen-lindner.de>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @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/>
*
*/
try {
require_once 'lib/base.php';
if (\OCP\Util::needUpgrade()) {
\OCP\Util::writeLog('cron', 'Update required, skipping cron', \OCP\Util::DEBUG);
exit;
}
if (\OC::$server->getSystemConfig()->getValue('maintenance', false)) {
\OCP\Util::writeLog('cron', 'We are in maintenance mode, skipping cron', \OCP\Util::DEBUG);
exit;
}
if (\OC::$server->getSystemConfig()->getValue('singleuser', false)) {
\OCP\Util::writeLog('cron', 'We are in admin only mode, 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(''));
$logger = \OC::$server->getLogger();
// 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!
$appMode = \OCP\BackgroundJob::getExecutionType();
if ($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) {
// set to run indefinitely if needed
set_time_limit(0);
// the cron job must be executed with the right user
if (!OC_Util::runningOnWindows()) {
if (!function_exists('posix_getuid')) {
echo "The posix extensions are required - see http://php.net/manual/en/book.posix.php" . PHP_EOL;
exit(0);
}
$user = posix_getpwuid(posix_getuid());
$configUser = posix_getpwuid(fileowner(OC::$SERVERROOT . '/config/config.php'));
if ($user['name'] !== $configUser['name']) {
echo "Console has to be executed with the same user as the web server is operated" . PHP_EOL;
echo "Current user: " . $user['name'] . PHP_EOL;
echo "Web server user: " . $configUser['name'] . PHP_EOL;
exit(0);
}
}
$config = OC::$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') {
\OCP\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);
}
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