Use Forwarded HTTP Extension to determine protocol and host

    use \JX\CmOta\CmOta;

    if ( isset($_SERVER['HTTP_FORWARDED']) ) {

      $fwd_ar = explode(';', $_SERVER['HTTP_FORWARDED']);

      for ( $i = 0; $i < count($fwd_ar); $i++ ) {

        $kv = explode('=', $fwd_ar[$i]);

        if ( count($kv) > 1 ) {

          $forwarded[strtoupper($kv[0])] = $kv[1];

        }

      }

      if ( array_key_exists('HOST', $forwarded) ) {

        $_SERVER['HTTP_HOST'] = $forwarded['HOST'];

      }

      if ( array_key_exists('PROTO', $forwarded) && strtoupper($forwarded['PROTO']) === 'HTTPS') {

        $_SERVER['HTTPS'] = 'on';

      }

    }

    if( isset($_SERVER['HTTPS'] ) )

        $protocol = 'https://';

    else