# client-refreshToken /films {ac_ok} -> list /films {ac_exp} -> expired => /refresh {ac_exp rf} -> {ac_ok} => /films {ac_ok} -> list ================================== /films {ac_ok} -> list /refresh {ac_nearly_exp rf} -> {ac_ok} => /films {ac_ok} -> list ================================== /films {ac_ok, rf} -> list /films {ac_exp, rf} -> { ac_ok, list } => backend phải tự refresh token, client không refresh token tường minh