Working remote.php with webdav and caldav

.htaccess

@@ -19,5 +19,6 @@ RewriteRule ^.well-known/carddav /remote/carddav.php [R]
 RewriteRule ^.well-known/caldav /remote/caldav.php [R]
 
 RewriteRule ^apps/([^/]*)/(.*\.(css|php))$ index.php?app=$1&getfile=$2 [QSA,L]
+RewriteRule ^remote/(.*) remote.php [QSA,L]
 </IfModule>
 Options -Indexes

3rdparty/Sabre/DAV/Server.php

@@ -215,7 +215,7 @@ class Sabre_DAV_Server {
             $DOM->appendChild($error);
 
             $error->appendChild($DOM->createElement('s:exception',get_class($e)));
-            $error->appendChild($DOM->createElement('s:message',$e->getMessage()));
+            $error->appendChild($DOM->createElement('s:message',htmlentities($e->getMessage())));
             if ($this->debugExceptions) {
                 $error->appendChild($DOM->createElement('s:file',$e->getFile()));
                 $error->appendChild($DOM->createElement('s:line',$e->getLine()));

apps/files/appinfo/remote.php

@@ -37,7 +37,7 @@ $publicDir = new OC_Connector_Sabre_Directory('');
 
 // Fire up server
 $server = new Sabre_DAV_Server($publicDir);
-$server->setBaseUri(OC::$WEBROOT.'/remote/webdav.php');
+$server->setBaseUri($baseuri);
 
 // Load plugins
 $server->addPlugin(new Sabre_DAV_Auth_Plugin($authBackend,'ownCloud'));

remote.php

@@ -2,11 +2,15 @@
 $RUNTIME_NOSETUPFS = true;
 //$RUNTIME_NOAPPS = TRUE;
 require_once('lib/base.php');
-$file = OCP\CONFIG::getAppValue('core', $_GET['service']);
+$path_info = $_SERVER['PATH_INFO'];
+if (!$pos = strpos($path_info, '/', 1)) {
+	$pos = strlen($path_info);
+}
+$service=substr($path_info, 1, $pos-1);
+$file = OCP\CONFIG::getAppValue('core', $service);
 if(is_null($file)){
 	header('HTTP/1.0 404 Not Found');
 	exit;
 }
-$baseuri = OC::$WEBROOT . '/remote.php?service=' . $_GET['service'] . '&p=';
-parse_str($_GET['p'], $_GET);
-require_once(OC::$APPSROOT . $file);
+$baseuri = '/remote.php/'.$service.'/';
+require_once(OC::$APPSROOT . $file);