commit a0836b9293a50905651e1a2ed624f3e331be765f
author Andrey Andreev <narf@bofh.bg> Wed Oct 24 22:03:42 2012 +0300
committer Andrey Andreev <narf@bofh.bg> Wed Oct 24 22:03:42 2012 +0300
tree abe10c37c1f8a079b52e5d22ae6afd2a90e53b13
parent 9d0ab04e1e39bc93c59f60844dd2cf9176443028

Fix #1255

system/libraries/User_agent.php

diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php
index ff596f0..3387d4a 100644
--- a/system/libraries/User_agent.php
+++ b/system/libraries/User_agent.php
@@ -466,7 +466,13 @@
 	 */
 	public function is_referral()
 	{
-		return ! empty($_SERVER['HTTP_REFERER']);
+		if (empty($_SERVER['HTTP_REFERER']))
+		{
+			return FALSE;
+		}
+
+		$referer = parse_url($_SERVER['HTTP_REFERER']);
+		return ! (empty($referer['host']) && strpos(config_item('base_url'), $referer['host']) !== FALSE);
 	}
 
 	// --------------------------------------------------------------------