public function exportFileBinaryAction()
    {
        $this->getResponse()->setType('application/octet-stream')
            ->send();
        //wyszukiwanie pliku
        if (null === $file = (new Orm\CmsFileQuery)->whereName()->equals($this->name)
            ->findFirst()) {
            throw new \Mmi\Mvc\MvcNotFoundException('File not found');
        }
        //plik zbyt duży do transferu
        if ($file->size > self::MAX_FILE_SIZE) {
            throw new \Mmi\Mvc\MvcForbiddenException('File to large');
        }
        readfile($file->getRealPath());
        exit;
    }