/**
	 * get a public file
	 * @param $id the repository id of the file
	 * @return file url
	 */
	function get_public_file(){
		$id = array_var($_GET, 'id', 0);
		if (FileRepository::isInRepository($id) && FileRepository::getFileAttribute($id, 'public', false)) {
			$type = FileRepository::getFileAttribute($id,'type');
			download_from_repository($id, $type, $id, false);
			die();
		} // if
		die(lang('file dnx'));
	}// get_public_file