From 5202d0db2dcc58278ac57cbde681b9c40f4a84e6 Mon Sep 17 00:00:00 2001
From: Ralf Becker <ralfbecker@outdoor-training.de>
Date: Tue, 25 Oct 2011 08:08:01 +0000
Subject: [PATCH] do NOT query proxys for app user has no rights too, can give
 SQL error, if app is not even installed, eg. resources

---
 phpgwapi/inc/class.groupdav_principals.inc.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/phpgwapi/inc/class.groupdav_principals.inc.php b/phpgwapi/inc/class.groupdav_principals.inc.php
index 9daba79dfa..f4a8813a7b 100644
--- a/phpgwapi/inc/class.groupdav_principals.inc.php
+++ b/phpgwapi/inc/class.groupdav_principals.inc.php
@@ -1223,6 +1223,8 @@ class groupdav_principals extends groupdav_handler
 		{
 			foreach((array)$add_proxys as $app)
 			{
+				if (!isset($GLOBALS['egw_info']['user']['apps'][$app])) continue;
+
 				switch($app)
 				{
 					case 'resources':