shibboleth authentication module #4554: allow to bypass automatic redirect

main/auth/shibboleth/app/shibboleth.class.php

@@ -126,17 +126,10 @@ class Shibboleth
                 $first_slash_pos = strpos($rootWeb, '/', 8);
                 $rootWeb_wo_uri = substr($rootWeb, 0, $first_slash_pos);
                 $url = $rootWeb_wo_uri . $course_url . '_stop';
-                header("Location: $url");
+                Redirect::go($url);
             }
         }
-        else
-        {
-            $_SESSION['request_uri'];
-        }
-
-        $url = api_get_path('WEB_PATH') . $url;
-        header("Location: $url");
-        die;
+        Redirect::go();
     }
 
     /**

main/inc/local.inc.php

@@ -1132,7 +1132,9 @@ if (isset($_cid)) {
 	$sql="UPDATE $tbl_course SET last_visit= '$time' WHERE code='$_cid'";
 	Database::query($sql);
 }
-if (isset($_SESSION['request_uri']) && !empty($_SESSION['request_uri'])){
+
+$no_redirection = isset($no_redirection) ? $no_redirection : false;
+if (!$no_redirection && (isset($_SESSION['request_uri']) && !empty($_SESSION['request_uri']))){
     $req= $_SESSION['request_uri'];
     unset($_SESSION['request_uri']);
     header('Location: '.$req);