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
---
index.php | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/index.php b/index.php
index bf38874..f50cf2b 100644
--- a/index.php
+++ b/index.php
@@ -190,6 +190,14 @@
$OUTPUT->show_message('invalidrequest', 'error');
$OUTPUT->send($RCMAIL->task);
}
+
+ // check referer if configured
+ if (!$request_check_whitelist[$RCMAIL->action] && $RCMAIL->config->get('referer_check') && !rcube_check_referer()) {
+ raise_error(array(
+ 'code' => 403,
+ 'type' => 'php',
+ 'message' => "Referer check failed"), true, true);
+ }
}
// handle special actions
--
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