public function completeRequest(){

    header('Content-Type: application/octet_stream');
    header('Expires: 0');
    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
    header("Content-Transfer-Encoding: Binary");
    header('Pragma: public');
    header('Content-Length: ' . filesize(trim( $this->archiveName)));
    header('Content-Disposition: attachment; filename='.basename($this->archiveName).'');
    ob_flush();
    ob_clean();
    readfile( $this->archiveName );
    exit;
  }