From a77cf2292b1b5e010172b572f618aef78795456b Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Tue, 08 Feb 2011 03:13:06 -0500
Subject: [PATCH] Add optional referer check to prevent CSRF in GET requests

---
 program/steps/utils/error.inc |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/program/steps/utils/error.inc b/program/steps/utils/error.inc
index 422827a..8b04969 100644
--- a/program/steps/utils/error.inc
+++ b/program/steps/utils/error.inc
@@ -5,7 +5,7 @@
  | program/steps/utils/error.inc                                         |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2010, The Roundcube Dev Team                       |
+ | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -47,6 +47,13 @@
                    "Please contact your server-administrator.";
 }
 
+// forbidden due to request check
+else if ($ERROR_CODE==403) {
+  $__error_title = "REQUEST CHECK FAILED";
+  $__error_text  = "Access to this service was denied due to failing security checks!<br />\n".
+                   "Please contact your server-administrator.";
+}
+
 // failed request (wrong step in URL)
 else if ($ERROR_CODE==404) {
   $__error_title = "REQUEST FAILED/FILE NOT FOUND";

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