webdav returns "503 Service Unavailable" in case the ownCloud server is currently...

diff --git a/apps/files/appinfo/remote.php b/apps/files/appinfo/remote.php
index 1713bcc22ce97302f510aef1dea5f13d42674b1d..6a78a1e0d753640eb42103be96ebe08abb59663f 100644 (file)
--- a/apps/files/appinfo/remote.php
+++ b/apps/files/appinfo/remote.php
@@ -45,6 +45,7 @@ $server->addPlugin(new Sabre_DAV_Auth_Plugin($authBackend, 'ownCloud'));
 $server->addPlugin(new Sabre_DAV_Locks_Plugin($lockBackend));
 $server->addPlugin(new Sabre_DAV_Browser_Plugin(false)); // Show something in the Browser, but no upload
 $server->addPlugin(new OC_Connector_Sabre_QuotaPlugin());
+$server->addPlugin(new OC_Connector_Sabre_MaintenancePlugin());
 
 // And off we go!
 $server->exec();

diff --git a/lib/connector/sabre/ServiceUnavailable.php b/lib/connector/sabre/ServiceUnavailable.php
new file mode 100644 (file)
index 0000000..c1cc815
--- /dev/null
+++ b/lib/connector/sabre/ServiceUnavailable.php
@@ -0,0 +1,22 @@
+<?php
+/**
+ * ownCloud
+ *
+ * @author Thomas Müller
+ * @copyright 2013 Thomas Müller <thomas.mueller@tmit.eu>
+ *
+ * @license AGPL3
+ */
+
+class Sabre_DAV_Exception_ServiceUnavailable extends Sabre_DAV_Exception {
+
+       /**
+        * Returns the HTTP statuscode for this exception
+        *
+        * @return int
+        */
+       public function getHTTPCode() {
+
+               return 503;
+       }
+}

diff --git a/lib/connector/sabre/maintenanceplugin.php b/lib/connector/sabre/maintenanceplugin.php
new file mode 100644 (file)
index 0000000..329fa44
--- /dev/null
+++ b/lib/connector/sabre/maintenanceplugin.php
@@ -0,0 +1,56 @@
+<?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();
+               }
+
+               return true;
+       }
+}