diff options
Diffstat (limited to 'apps/dav/lib/connector/sabre/maintenanceplugin.php')
-rw-r--r-- | apps/dav/lib/connector/sabre/maintenanceplugin.php | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/apps/dav/lib/connector/sabre/maintenanceplugin.php b/apps/dav/lib/connector/sabre/maintenanceplugin.php new file mode 100644 index 00000000000..b9b261fbe05 --- /dev/null +++ b/apps/dav/lib/connector/sabre/maintenanceplugin.php @@ -0,0 +1,92 @@ +<?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) 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 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; + } +} |