/**
  * @see	\wcf\action\IAction::execute()
  */
 public function execute()
 {
     parent::execute();
     $filename = BackupHandler::getInstance()->getExportArchive();
     $this->executed();
     header('Content-Type: application/x-gzip; charset=utf8');
     header('Content-Disposition: attachment; filename="CMS-Export.tar.gz"');
     readfile($filename);
     @unlink($filename);
 }
 /**
  * @see	\wcf\form\IForm::save()
  */
 public function save()
 {
     parent::save();
     //perform import
     BackupHandler::getInstance()->handleImport($this->backup);
     $this->saved();
     WCF::getTPL()->assign('success', true);
 }