summaryrefslogtreecommitdiffstats
path: root/cron.php
blob: d83937e6472e1f4caa78a1527c5b3981a69ce004 (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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Bernhard Posselt <dev@bernhard-posselt.com>
 * @author Christopher Schäpers <kondou@ts.unde.re>
 * @author Jakob Sack <mail@jakobsack.de>
 * @author Joas Schilling <coding@schilljs.com>
 * @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>
 *
 * @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
	$session = new \OC\Session\Memory('');
	$cryptoWrapper = \OC::$server->getSessionCryptoWrapper();
	$session = $cryptoWrapper->wrapSession($session);
	\OC::$server->setSession($session);

	$logger = \OC::$server->getLogger();
	$config = \OC::$server->getConfig();

	// Don't do anything if ownCloud has not been installed
	if (!$config->getSystemValue('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 (!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);
		}

		// We call ownCloud from the CLI (aka cron)
		if ($appMode != 'cron') {
			\OCP\BackgroundJob::setExecutionType('cron');
		}

		// Work
		$jobList = \OC::$server->getJobList();

		// We only ask for jobs for 14 minutes, because after 15 minutes the next
		// system cron task should spawn.
		$endTime = time() + 14 * 60;

		$executedJobs = [];
		while ($job = $jobList->getNext()) {
			if (isset($executedJobs[$job->getId()])) {
				$jobList->unlockJob($job);
				break;
			}

			$logger->debug('Run job with ID ' . $job->getId(), ['app' => 'cron']);
			$job->execute($jobList, $logger);
			$logger->debug('Finished job with ID ' . $job->getId(), ['app' => 'cron']);

			$jobList->setLastJob($job);
			$executedJobs[$job->getId()] = true;
			unset($job);

			if (time() > $endTime) {
				break;
			}
		}

	} 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);
} catch (Error $ex) {
	\OCP\Util::writeLog('cron', $ex->getMessage(), \OCP\Util::FATAL);
}