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
|
<?php
/**
* @author Bart Visscher <bartv@thisnet.nl>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @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/>
*
*/
namespace OC\Connector\Sabre;
use Sabre\DAV\Exception\ServiceUnavailable;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
class MaintenancePlugin extends ServerPlugin {
/**
* Reference to main server object
*
* @var Server
*/
private $server;
/**
* This initializes the plugin.
*
* This function is called by \Sabre\DAV\Server, after
* addPlugin is called.
*
* This method should set up the required event subscriptions.
*
* @param Server $server
* @return void
*/
public function initialize(Server $server) {
$this->server = $server;
$this->server->on('beforeMethod', array($this, 'checkMaintenanceMode'), 10);
}
/**
* This method is called before any HTTP method and returns http status code 503
* in case the system is in maintenance mode.
*
* @throws ServiceUnavailable
* @internal param string $method
* @return bool
*/
public function checkMaintenanceMode() {
if (\OC::$server->getSystemConfig()->getValue('singleuser', false)) {
throw new ServiceUnavailable('System in single user mode.');
}
if (\OC::$server->getSystemConfig()->getValue('maintenance', false)) {
throw new ServiceUnavailable('System in maintenance mode.');
}
if (\OC::checkUpgrade(false)) {
throw new ServiceUnavailable('Upgrade needed');
}
return true;
}
}
|
