92 lines
2.5 KiB
PHP
92 lines
2.5 KiB
PHP
<?php
|
|
/**
|
|
* @author Bart Visscher <bartv@thisnet.nl>
|
|
* @author Joas Schilling <nickvergessen@owncloud.com>
|
|
* @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) 2016, 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 OCA\DAV\Connector\Sabre;
|
|
|
|
use OCP\IConfig;
|
|
use Sabre\DAV\Exception\ServiceUnavailable;
|
|
use Sabre\DAV\ServerPlugin;
|
|
|
|
class MaintenancePlugin extends ServerPlugin {
|
|
|
|
/** @var IConfig */
|
|
private $config;
|
|
|
|
/**
|
|
* Reference to main server object
|
|
*
|
|
* @var Server
|
|
*/
|
|
private $server;
|
|
|
|
/**
|
|
* @param IConfig $config
|
|
*/
|
|
public function __construct(IConfig $config = null) {
|
|
$this->config = $config;
|
|
if (is_null($config)) {
|
|
$this->config = \OC::$server->getConfig();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* 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 \Sabre\DAV\Server $server
|
|
* @return void
|
|
*/
|
|
public function initialize(\Sabre\DAV\Server $server) {
|
|
$this->server = $server;
|
|
$this->server->on('beforeMethod', array($this, 'checkMaintenanceMode'), 1);
|
|
}
|
|
|
|
/**
|
|
* This method is called before any HTTP method and returns http status code 503
|
|
* in case the system is in maintenance mode.
|
|
*
|
|
* @throws ServiceUnavailable
|
|
* @return bool
|
|
*/
|
|
public function checkMaintenanceMode() {
|
|
if ($this->config->getSystemValue('singleuser', false)) {
|
|
throw new ServiceUnavailable('System in single user mode.');
|
|
}
|
|
if ($this->config->getSystemValue('maintenance', false)) {
|
|
throw new ServiceUnavailable('System in maintenance mode.');
|
|
}
|
|
if (\OC::checkUpgrade(false)) {
|
|
throw new ServiceUnavailable('Upgrade needed');
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|