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/include/main.inc | 15 ++++++++++++++-
1 files changed, 14 insertions(+), 1 deletions(-)
diff --git a/program/include/main.inc b/program/include/main.inc
index 155f4af..35f9ddc 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -5,7 +5,7 @@
| program/include/main.inc |
| |
| This file is part of the Roundcube Webmail client |
- | Copyright (C) 2005-2009, The Roundcube Dev Team |
+ | Copyright (C) 2005-2011, The Roundcube Dev Team |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
@@ -1265,6 +1265,19 @@
/**
+ * Check whether the HTTP referer matches the current request
+ *
+ * @return boolean True if referer is the same host+path, false if not
+ */
+function rcube_check_referer()
+{
+ $uri = parse_url($_SERVER['REQUEST_URI']);
+ $referer = parse_url(rc_request_header('Referer'));
+ return $referer['host'] == rc_request_header('Host') && $referer['path'] == $uri['path'];
+}
+
+
+/**
* @access private
* @return mixed
*/
--
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