.. note::
        This token is no longer needed for access to CDN files

    :param depot_id: depot id
    :type  depot_id: :class:`int`
    :param hostname: cdn hostname
    :type  hostname: :class:`str`
    :return: `CMsgClientGetCDNAuthTokenResponse <https://github.com/ValvePython/steam/blob/39627fe883feeed2206016bacd92cf0e4580ead6/protobufs/steammessages_clientserver_2.proto#L585-L589>`_
    :rtype: proto message
    """
    return self.send_job_and_wait(MsgProto(EMsg.ClientGetCDNAuthToken),
                                  {
                                   'depot_id': depot_id,
                                   'host_name': hostname,
                                  },
                                  timeout=10
                                  )