/// <summary>
/// A 401 error mostly indicates access-token is expired. (Only exception is login which 401 shows incorrect username/password)
/// We must refresh the access-token using refresh-token and retry the original request with new access-token
/// If on refreshing access-token we get another 401, it indicates refresh-token is expired, too
/// On that case, if current user is guest we must login with stored username-pass and if not we must force the user to login
/// </summary>
/// <typeparam name="T">type of response body</typeparam>
/// <param name="response">raw response containing error 401</param>
/// <returns></returns>
private static IRestResponse <T> Handle401StatusCode <T>(IRestResponse <T> response) where T : class, new()
{
// in response of login request (no access token yet!) return the original response
if (response.Request.Resource.Contains("login"))
{
return(response);
}
// getting new access-token
var tokenResponse = RestClient.Execute <BacktoryUser.LoginResponse>(NewAccessTokenRequest());
if (tokenResponse.ErrorException != null || !response.IsSuccessful())
{
// failed to get new token
if ((int)tokenResponse.StatusCode == (int)BacktoryHttpStatusCode.Unauthorized)
{
// refresh token itself is expired
if (BacktoryUser.GetCurrentUser().Guest)
{
// if guest, first login with stored username/pass and the retry the request
// new token is stored and after this we can simply call original request again which uses new token
BacktoryUser.Login(BacktoryUser.GetCurrentUser().Username, BacktoryUser.getGuestPassword());
}
// normal user must login again
// TODO: clean way for forcing user to login. How to keep his/her progress? How to retry original request?
else
{
BacktoryUser.ClearBacktoryStoredData();
// On this case return value is not important
// TODO: may be changing the response error message
BacktoryManager.Instance.GlobalEventListener.OnEvent(BacktorySDKEvent.LogoutEvent());
}
}
// successfully gotten new token
}
return(RestClient.Execute <T>(response.Request));
}