function viewFile($args, $request)
{
$articleId = isset($args[0]) ? $args[0] : 0;
$galleyId = isset($args[1]) ? $args[1] : 0;
$fileId = isset($args[2]) ? (int) $args[2] : 0;
header('HTTP/1.1 301 Moved Permanently');
$request->redirect(null, null, 'download', array($articleId, $galleyId, $fileId));
}