private function getCanonicalUrl(Request $request)
    {
        $uri = $request->getUri();
        $return = 'https://alltubedownload.net/';

        $path = $uri->getPath();
        if ($path != '/') {
            $return .= $path;
        }

        $query = $uri->getQuery();
        if (!empty($query)) {
            $return .= '?'.$query;
        }

        return $return;
    }