maintenanceplugin.php
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<?php
/**
* ownCloud
*
* @author Thomas Müller
* @copyright 2013 Thomas Müller <thomas.mueller@tmit.eu>
*
* @license AGPL3
*/
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;
}
}