Admin_AssetController::downloadAction PHP Метод

    public function downloadAction()
    {
        $asset = Asset::getById($this->getParam("id"));
        if ($asset->isAllowed("view")) {
            header("Content-Type: " . $asset->getMimetype(), true);
            header('Content-Disposition: attachment; filename="' . $asset->getFilename() . '"');
            header("Content-Length: " . filesize($asset->getFileSystemPath()), true);
            while (@ob_end_flush()) {
            }
            flush();
            readfile($asset->getFileSystemPath());
            exit;
        }
        $this->removeViewRenderer();
    }