Fixed offline mode for AJAX requests

diff --git a/wcfsetup/install/files/lib/system/request/RequestHandler.class.php b/wcfsetup/install/files/lib/system/request/RequestHandler.class.php
index 6c49d06fb66f4b4984d4c1c1903a76819f9c63b6..fb096083f9c171bee237ef8cb30cf01c9700bc42 100644 (file)
--- a/wcfsetup/install/files/lib/system/request/RequestHandler.class.php
+++ b/wcfsetup/install/files/lib/system/request/RequestHandler.class.php
@@ -1,5 +1,6 @@
 <?php
 namespace wcf\system\request;
+use wcf\system\exception\AJAXException;
 use wcf\system\exception\IllegalLinkException;
 use wcf\system\exception\SystemException;
 use wcf\system\menu\page\PageMenu;
@@ -12,7 +13,7 @@ use wcf\util\StringUtil;
  * Handles http requests.
  * 
  * @author     Marcel Werk
- * @copyright  2001-2012 WoltLab GmbH
+ * @copyright  2001-2013 WoltLab GmbH
  * @license    GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  * @package    com.woltlab.wcf
  * @subpackage system.request
@@ -50,10 +51,16 @@ class RequestHandler extends SingletonFactory {
                // handle offline mode
                if (!$isACPRequest && defined('OFFLINE') && OFFLINE) {
                        if (!WCF::getSession()->getPermission('admin.general.canViewPageDuringOfflineMode') && !$this->activeRequest->isAvailableDuringOfflineMode()) {
-                               WCF::getTPL()->assign(array(
-                                       'templateName' => 'offline'
-                               ));
-                               WCF::getTPL()->display('offline');
+                               if (isset($_SERVER['X-Requested-With']) && ($_SERVER['X-Requested-With'] == 'XMLHttpRequest')) {
+                                       throw new AJAXException(WCF::getLanguage()->get('wcf.global.ajax.error.permissionDenied'), AJAXException::INSUFFICIENT_PERMISSIONS);
+                               }
+                               else {
+                                       WCF::getTPL()->assign(array(
+                                               'templateName' => 'offline'
+                                       ));
+                                       WCF::getTPL()->display('offline');
+                               }
+                               
                                exit;
                        }
                }