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<?php
/**
* ownCloud
*
* @author Thomas Müller
* @copyright 2013 Thomas Müller <thomas.mueller@tmit.eu>
*
* @license AGPL3
*/
require 'ServiceUnavailable.php';
class OC_Connector_Sabre_MaintenancePlugin extends Sabre_DAV_ServerPlugin
{
/**
* Reference to main server object
*
* @var Sabre_DAV_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 Sabre_DAV_Server $server
* @return void
*/
public function initialize(Sabre_DAV_Server $server) {
$this->server = $server;
$this->server->subscribeEvent('beforeMethod', array($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 Sabre_DAV_Exception_ServiceUnavailable
* @internal param string $method
* @return bool
*/
public function checkMaintenanceMode() {
if (OC_Config::getValue('maintenance', false)) {
throw new Sabre_DAV_Exception_ServiceUnavailable();
}
if (OC::checkUpgrade(false)) {
throw new Sabre_DAV_Exception_ServiceUnavailable('Upgrade needed');
}
return true;
}
}
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