Laravel file not downloading?

Question

Laravel

header("Content-Description: File Transfer\r\n");
        header("Pragma: public\r\n");
        header("Expires: 0\r\n");
        header("Cache-Control: must-revalidate, post-check=0, pre-check=0\r\n");
        header("Cache-Control: public\r\n");
        header("Content-Type: text/plain; charset=UTF-8\r\n");
        header("Content-Disposition: attachment; filename=".Storage::url($_POST['link'])."\r\n");
        return Storage::url($_POST['link']);