Adds stripQueryFromRefurl global parameter to strip args from refurl

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey@3015 b72ed6b6-b9f8-46b5-92b4-906544132732

common.php

@@ -2544,7 +2544,7 @@ function FlattenText($texttoflatten)
 */
 function getreferringurl()
 {
-  global $clang;
+  global $clang,$stripQueryFromRefurl;
   if (isset($_SESSION['refurl']))
   {
     return; // do not overwrite refurl
@@ -2555,7 +2555,15 @@ function getreferringurl()
   {
     if(!ereg($_SERVER["SERVER_NAME"], $_SERVER["HTTP_REFERER"]))
     {
-      $_SESSION['refurl'] = $_SERVER["HTTP_REFERER"];
+      if (!isset($stripQueryFromRefurl) || !$stripQueryFromRefurl)
+      {
+           $_SESSION['refurl'] = $_SERVER["HTTP_REFERER"];
+      }
+      else
+      {
+	   $aRefurl = explode("?",$_SERVER["HTTP_REFERER"]);
+           $_SESSION['refurl'] = $aRefurl[0];
+      }
     }
     else
     {

config.php

@@ -145,11 +145,15 @@
 // Experimental parameters, only change if you know what you're doing
 //
 // $filterout_incomplete_answers
-//  * default behaviour of phpsv regarding answer records with no submitdate
+//  * default behaviour of LimeS regarding answer records with no submitdate
 //  * can be overwritten by module parameters
 //         ("Filter-Out incomplete answers" checkbox when implemented)
 $filterout_incomplete_answers = true;
-
+//
+// $stripQueryFromRefurl (default is false)
+//  * default behaviour is to record the full referer url when requested
+//  * set to true in order to remove the parameter part of the referrer url
+//  $stripQueryFromRefurl = false;
 
 //DO NOT CHANGE BELOW HERE --------------------