From de672f45aad2ace19677bf136d546d3dba9100da Mon Sep 17 00:00:00 2001
From: Ralf Becker <ralfbecker@outdoor-training.de>
Date: Fri, 16 Sep 2011 15:34:26 +0000
Subject: [PATCH] switching off output compression for Lighttpd and HTTPS, as
 it makes problems with TB Lightning

---
 groupdav.php | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/groupdav.php b/groupdav.php
index 77f6c952f5..fb76f619c8 100644
--- a/groupdav.php
+++ b/groupdav.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * eGroupWare - GroupDAV access
+ * EGroupware - CalDAV/CardDAV/GroupDAV server
  *
  * Using the PEAR HTTP/WebDAV/Server class (which need to be installed!)
  *
@@ -9,10 +9,19 @@
  * @package api
  * @subpackage groupdav
  * @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
- * @copyright (c) 2007-10 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
+ * @copyright (c) 2007-11 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
  * @version $Id$
  */
 
+// switching off output compression for Lighttpd and HTTPS, as it makes problems with TB Lightning
+if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' &&
+	strpos($_SERVER['SERVER_SOFTWARE'],'lighttpd/1.4') === 0 &&
+	strpos($_SERVER['HTTP_USER_AGENT'],'Lightning') !== false)
+{
+	ini_set('zlib.output_compression',0);
+}
+//error_log("HTTPS='$_SERVER[HTTPS]', SERVER_SOFTWARE='$_SERVER[SERVER_SOFTWARE]', HTTP_USER_AGENT='$_SERVER[HTTP_USER_AGENT]', REQUEST_METHOD='$_SERVER[REQUEST_METHOD]' --> zlib.output_compression=".ini_get('zlib.output_compression'));
+
 $starttime = microtime(true);
 
 $GLOBALS['egw_info'] = array(