Update to fix LTI provider as session not existing under some circums…

…tances

git-svn-id: https://xerteonlinetoolkits.googlecode.com/svn/trunk@447 912cdd6b-5c7d-d5a7-a2ba-d0f0cdb91641

LTI/ims-lti/UoN_LTI.php

@@ -50,11 +50,6 @@ public function init_lti($usesession = true, $doredirect = false) {
     // give up or try to retrieve the context from session
     if (!is_lti_request()) {
       if ($usesession === false) return;
-
-      if(session_status()==PHP_SESSION_NONE) {
-        session_start();
-      }
-
       if (strlen(session_id()) > 0) {
         if (isset($_SESSION['_lti_row'])) $row = $_SESSION['_lti_row'];
         if (isset($row)) $this->row = $row;
@@ -365,11 +360,11 @@ function lookup_lti_user($lti_user_key = false) {
       if ($rows < 1) {
         return false;
       }
-      $stmt->bind_result($rogo_id, $updated);
+      $stmt->bind_result($users_id, $updated);
       $stmt->fetch();
       $stmt->close();
     }
-    return (array($rogo_id, $updated));
+    return (array($users_id, $updated));
   }
 
   /**

LTI/index.php

@@ -99,6 +99,9 @@ function auth($update = false) {
 
 
 } else {
+if(isset($_SESSION['toolkits_logon_username'])) {
+  $_SESSION['toolkits_logon_username']=$returned[0];
+}
   $time1 = strtotime($returned[1]);
   $time2 = time();
   $timediff = $time2 - $time1;