summaryrefslogtreecommitdiffstats
path: root/cron.php
blob: 5ab0c2aa4af0ccf461a2f85ed2613b910206bd49 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
<?php
/**
 * @author Boris Rybalkin <ribalkin@gmail.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();
	}

	// 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);
}