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<?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/>.
*
*/
// Unfortunately we need this class for shutdown function
class TemporaryCronClass {
public static $sent = false;
public static $lockfile = "";
public static $keeplock = false;
}
// We use this function to handle (unexpected) shutdowns
function handleUnexpectedShutdown() {
// Delete lockfile
if (!TemporaryCronClass::$keeplock && file_exists(TemporaryCronClass::$lockfile)) {
unlink(TemporaryCronClass::$lockfile);
}
// Say goodbye if the app did not shutdown properly
if (!TemporaryCronClass::$sent) {
if (OC::$CLI) {
echo 'Unexpected error!' . PHP_EOL;
} else {
OC_JSON::error(array('data' => array('message' => 'Unexpected error!')));
}
}
}
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::$session->close();
// initialize a dummy memory session
\OC::$session = 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);
}
// Handle unexpected errors
register_shutdown_function('handleUnexpectedShutdown');
// Delete temp folder
OC_Helper::cleanTmpNoClean();
// Exit if background jobs are disabled!
$appmode = OC_BackgroundJob::getExecutionType();
if ($appmode == 'none') {
TemporaryCronClass::$sent = true;
if (OC::$CLI) {
echo 'Background Jobs are disabled!' . PHP_EOL;
} else {
OC_JSON::error(array('data' => array('message' => 'Background jobs disabled!')));
}
exit(1);
}
if (OC::$CLI) {
// Create lock file first
TemporaryCronClass::$lockfile = OC_Config::getValue("datadirectory", OC::$SERVERROOT . '/data') . '/cron.lock';
// We call ownCloud from the CLI (aka cron)
if ($appmode != 'cron') {
// Use cron in future!
OC_BackgroundJob::setExecutionType('cron');
}
// check if backgroundjobs is still running
if (file_exists(TemporaryCronClass::$lockfile)) {
TemporaryCronClass::$keeplock = true;
TemporaryCronClass::$sent = true;
echo "Another instance of cron.php is still running!";
exit(1);
}
// Create a lock file
touch(TemporaryCronClass::$lockfile);
// Work
$jobList = \OC::$server->getJobList();
$jobs = $jobList->getAll();
foreach ($jobs as $job) {
$job->execute($jobList, $logger);
}
} else {
// We call cron.php from some website
if ($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();
}
}
// done!
TemporaryCronClass::$sent = true;
// Log the successfull cron exec
if (OC_Config::getValue('cron_log', true)) {
OC_Appconfig::setValue('core', 'lastcron', time());
}
exit();
} catch (Exception $ex) {
\OCP\Util::writeLog('cron', $ex->getMessage(), \OCP\Util::FATAL);
}
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