private static async Task <ResponseEnvelope> PerformRemoteProcedureCall <TRequest>(this System.Net.Http.HttpClient client,
string url,
RequestEnvelope requestEnvelope, int tries = 0) where TRequest : IMessage <TRequest>
{
//Encode payload and put in envelope, then send
var data = requestEnvelope.ToByteString();
var result = await client.PostAsync(url, new ByteArrayContent(data.ToByteArray())).ConfigureAwait(false);
//Decode message
var responseData = await result.Content.ReadAsByteArrayAsync().ConfigureAwait(false);
var codedStream = new CodedInputStream(responseData);
var decodedResponse = new ResponseEnvelope();
decodedResponse.MergeFrom(codedStream);
Logger.Debug("requestEnvelope: " + strRequestEnvelope(requestEnvelope));
Logger.Debug("decodedResponse: " + strResponseEnvelope(decodedResponse));
if (tries < 8)
{
if (decodedResponse.StatusCode == ResponseEnvelope.Types.StatusCode.InvalidAuthToken)
{
RandomHelper.RandomSleep(600);
return(PerformRemoteProcedureCall <TRequest>(client, url, requestEnvelope, ++tries).Result);
}
if (decodedResponse.StatusCode == ResponseEnvelope.Types.StatusCode.Redirect && requestEnvelope.Requests.Count == 1)
{
RandomHelper.RandomSleep(600);
return(PerformRemoteProcedureCall <TRequest>(client, url, requestEnvelope, ++tries).Result);
}
}
return(decodedResponse);
}
/// <summary>
/// Called when <see cref="RestSharp"/> recieves a response envelope async.
/// </summary>
/// <param name="envelope">Response envelope recieved.</param>
public void OnResponse(IRestResponse response)
{
ResponseEnvelope resEnv = new ResponseEnvelope();
//At this point we've got a response
//Probably a response envelope
if (response.RawBytes != null && response.RawBytes.Length != 0)
{
resEnv.MergeFrom(response.RawBytes);
decoratedFuture.OnResponse(resEnv);
}
//TODO: Handle exceptions
}
public static async Task <ResponseEnvelope> PostProto(this HttpClient client, string url, IMessage request)
{
//Encode payload and put in envelop, then send
var data = request.ToByteString();
var result = await client.PostAsync(url, new ByteArrayContent(data.ToByteArray()));
//Decode message
var responseData = await result.Content.ReadAsByteArrayAsync();
var codedStream = new CodedInputStream(responseData);
var decodedResponse = new ResponseEnvelope();
decodedResponse.MergeFrom(codedStream);
return(decodedResponse);
}
public async Task <ResponseEnvelope> PostProto <TRequest>(string url,
RequestEnvelope requestEnvelope) where TRequest : IMessage <TRequest>
{
//Encode payload and put in envelop, then send
var data = requestEnvelope.ToByteString();
var result = await PostAsync(url, new ByteArrayContent(data.ToByteArray()));
//Decode message
var responseData = await result.Content.ReadAsByteArrayAsync();
var codedStream = new CodedInputStream(responseData);
var decodedResponse = new ResponseEnvelope();
decodedResponse.MergeFrom(codedStream);
return(decodedResponse);
}
private static async Task <ResponseEnvelope> PerformRemoteProcedureCall <TRequest>(this System.Net.Http.HttpClient client,
string url,
RequestEnvelope requestEnvelope) where TRequest : IMessage <TRequest>
{
//Encode payload and put in envelop, then send
var data = requestEnvelope.ToByteString();
var result = await client.PostAsync(url, new ByteArrayContent(data.ToByteArray()));
//Decode message
var responseData = await result.Content.ReadAsByteArrayAsync();
var codedStream = new CodedInputStream(responseData);
var decodedResponse = new ResponseEnvelope();
decodedResponse.MergeFrom(codedStream);
return(decodedResponse);
}
public static async Task <ResponseEnvelope> PostProto <TRequest>(this System.Net.Http.HttpClient client, string url,
RequestEnvelope requestEnvelope) where TRequest : IMessage <TRequest>
{
//Encode payload and put in envelop, then send
var data = requestEnvelope.ToByteString();
var result = await client.PostAsync(url, new ByteArrayContent(data.ToByteArray()));
if (result.StatusCode == System.Net.HttpStatusCode.Forbidden)
{
throw new IPBannedException("IP Address is banned");
}
//Decode message
var responseData = await result.Content.ReadAsByteArrayAsync();
var codedStream = new CodedInputStream(responseData);
var decodedResponse = new ResponseEnvelope();
decodedResponse.MergeFrom(codedStream);
return(decodedResponse);
}
public static async Task <ResponseEnvelope> PostProto <TRequest>(this System.Net.Http.HttpClient client, string url,
RequestEnvelope requestEnvelope) where TRequest : IMessage <TRequest>
{
HttpResponseMessage result = null;
for (int i = 0; i < 3; i++)
{
try
{
//Encode payload and put in envelop, then send
if (requestEnvelope == null)
{
return(new ResponseEnvelope());
}
var data = requestEnvelope.ToByteString();
result = await client.PostAsync(url, new ByteArrayContent(data.ToByteArray()));
break;
}
catch
{
// ignored
}
}
if (result != null)
{
//Decode message
var responseData = await result.Content.ReadAsByteArrayAsync();
var codedStream = new CodedInputStream(responseData);
var decodedResponse = new ResponseEnvelope();
decodedResponse.MergeFrom(codedStream);
return(decodedResponse);
}
return(new ResponseEnvelope());
}
public async Task <ResponseEnvelope> PostProto <TRequest>(string url, RequestEnvelope requestEnvelope)
where TRequest : IMessage <TRequest>
{
// robertmclaws: Let's be pro-active about token failures, instead of reactive.
if (AccessToken == null || AccessToken.IsExpired)
{
await Login.DoLogin();
}
//Encode payload and put in envelop, then send
var data = requestEnvelope.ToByteString();
var result = await PostAsync(url, new ByteArrayContent(data.ToByteArray()));
//Decode message
var responseData = await result.Content.ReadAsByteArrayAsync();
var codedStream = new CodedInputStream(responseData);
var decodedResponse = new ResponseEnvelope();
decodedResponse.MergeFrom(codedStream);
return(decodedResponse);
}
private static async Task <ResponseEnvelope> PerformRemoteProcedureCall <TRequest>(this System.Net.Http.HttpClient client,
Client apiClient,
RequestEnvelope requestEnvelope) where TRequest : IMessage <TRequest>
{
// Check killswitch from url before making API calls.
if (!apiClient.Settings.UseLegacyAPI)
{
if (apiClient.CheckCurrentVersionOutdated())
{
throw new MinimumClientVersionException(apiClient.CurrentApiEmulationVersion, apiClient.MinimumClientVersion);
}
}
//Encode payload and put in envelop, then send
var data = requestEnvelope.ToByteString();
var result = await client.PostAsync(apiClient.ApiUrl, new ByteArrayContent(data.ToByteArray())).ConfigureAwait(false);
//Decode message
var responseData = await result.Content.ReadAsByteArrayAsync().ConfigureAwait(false);
var codedStream = new CodedInputStream(responseData);
ResponseEnvelope serverResponse = new ResponseEnvelope();
serverResponse.MergeFrom(codedStream);
// Process Platform8Response
CommonRequest.ProcessPlatform8Response(apiClient, serverResponse);
if (!string.IsNullOrEmpty(serverResponse.ApiUrl))
{
apiClient.ApiUrl = "https://" + serverResponse.ApiUrl + "/rpc";
}
if (serverResponse.AuthTicket != null)
{
if (serverResponse.AuthTicket.ExpireTimestampMs > (ulong)Utils.GetTime(true))
{
apiClient.AuthTicket = serverResponse.AuthTicket;
}
else
{
// Expired auth ticket.
apiClient.AuthTicket = null;
}
}
switch (serverResponse.StatusCode)
{
case ResponseEnvelope.Types.StatusCode.InvalidAuthToken:
await apiClient.RequestBuilder.RegenerateRequestEnvelopeWithNewAccessToken(requestEnvelope).ConfigureAwait(false);
return(await PerformRemoteProcedureCall <TRequest>(client, apiClient, requestEnvelope).ConfigureAwait(false));
case ResponseEnvelope.Types.StatusCode.Redirect:
// 53 means that the api_endpoint was not correctly set, should be at this point, though, so redo the request
return(await PerformRemoteProcedureCall <TRequest>(client, apiClient, requestEnvelope).ConfigureAwait(false));
case ResponseEnvelope.Types.StatusCode.BadRequest:
// Your account may be banned! please try from the official client.
throw new APIBadRequestException("BAD REQUEST \r\n" + JsonConvert.SerializeObject(requestEnvelope));
case ResponseEnvelope.Types.StatusCode.Unknown:
break;
case ResponseEnvelope.Types.StatusCode.Ok:
break;
case ResponseEnvelope.Types.StatusCode.OkRpcUrlInResponse:
break;
case ResponseEnvelope.Types.StatusCode.InvalidRequest:
break;
case ResponseEnvelope.Types.StatusCode.InvalidPlatformRequest:
break;
case ResponseEnvelope.Types.StatusCode.SessionInvalidated:
throw new SessionInvalidatedException("SESSION INVALIDATED EXCEPTION");
default:
throw new ArgumentOutOfRangeException();
}
return(serverResponse);
}
/// <summary>
///
/// </summary>
/// <param name="url"></param>
/// <param name="payload"></param>
/// <param name="retryPolicy"></param>
/// <param name="token"></param>
/// <param name="attemptCount"></param>
/// <param name="redirectCount"></param>
/// <returns></returns>
internal async Task <ResponseEnvelope> PostProto(string url, ByteArrayContent payload, RetryPolicy retryPolicy, CancellationToken token,
int attemptCount = 0, int redirectCount = 0)
{
// robertmclaws: If someone wants us to be done, we're done.
if (token.IsCancellationRequested)
{
Logger.Write("The request was cancelled. (PostProto cancellation check)");
return(null);
}
attemptCount++;
// robertmclaws: If we've exceeded the maximum number of attempts, we're done.
if (attemptCount > retryPolicy.MaxFailureAttempts)
{
Logger.Write("The request exceeded the number of retries allowed and has been cancelled.");
return(null);
}
if (redirectCount > retryPolicy.MaxRedirectAttempts)
{
Logger.Write("The request exceeded the number of redirect attempts allowed and has been cancelled.");
return(null);
}
// robertmclaws: We're gonna keep going, so let's be pro-active about token failures, instead of reactive.
if (AuthenticatedUser == null || AuthenticatedUser.IsExpired)
{
// @robertmclaws: Calling "Authenticate" cancels all current requests and fires off a complex login routine.
// More than likely, we just want to refresh the tokens.
await CurrentProvider.GetAuthenticatedUser().ConfigureAwait(false);
}
var result = await PostAsync(url, payload, token);
var response = new ResponseEnvelope();
var responseData = await result.Content.ReadAsByteArrayAsync();
using (var codedStream = new CodedInputStream(responseData))
{
response.MergeFrom(codedStream);
}
switch ((StatusCodes)response.StatusCode)
{
case StatusCodes.ValidResponse:
if (response.AuthTicket != null)
{
Logger.Write("Received a new AuthTicket from the Api!");
AuthenticatedUser.AuthTicket = response.AuthTicket;
// robertmclaws to do: See if we need to clone the AccessToken so we don't have a threading violation.
RaiseAuthenticatedUserUpdated(AuthenticatedUser);
}
return(response);
case StatusCodes.AccessDenied:
Logger.Write("Account has been banned. Our condolences for your loss.");
CancelCurrentRequests();
//RequestQueue.CompleteAdding();
// robertmclaws to do: Allow you to stop adding events to the queue, and re-initialize the queue if needed.
throw new AccountLockedException();
case StatusCodes.Redirect:
if (!Regex.IsMatch(response.ApiUrl, "pgorelease\\.nianticlabs\\.com\\/plfe\\/\\d+"))
{
throw new Exception($"Received an incorrect API url '{response.ApiUrl}', status code was '{response.StatusCode}'.");
}
ApiUrl = $"https://{response.ApiUrl}/rpc";
Logger.Write($"Received an updated API url = {ApiUrl}");
// robertmclaws to do: Check to see if redirects should count against the RetryPolicy.
await Task.Delay(retryPolicy.DelayInSeconds * 1000);
redirectCount++;
return(await PostProto(response.ApiUrl, payload, retryPolicy, token, attemptCount, redirectCount));
case StatusCodes.InvalidToken:
Logger.Write("Received StatusCode 102, reauthenticating.");
AuthenticatedUser?.Expire();
// robertmclaws: trigger a retry here. We'll automatically try to log in again on the next request.
await Task.Delay(retryPolicy.DelayInSeconds * 1000);
return(await PostProto(response.ApiUrl, payload, retryPolicy, token, attemptCount, redirectCount));
case StatusCodes.ServerOverloaded:
// Per @wallycz, on code 52, wait 11 seconds before sending the request again.
Logger.Write("Server says to slow the hell down. Try again in 11 sec.");
await Task.Delay(11000);
return(await PostProto(response.ApiUrl, payload, retryPolicy, token, attemptCount, redirectCount));
default:
Logger.Write($"Unknown status code: {response.StatusCode}");
break;
}
return(response);
}
private static async Task <ResponseEnvelope> PerformRemoteProcedureCall <TRequest>(this System.Net.Http.HttpClient client,
Client apiClient,
RequestEnvelope requestEnvelope) where TRequest : IMessage <TRequest>
{
// Check killswitch from url before making API calls.
if (!apiClient.Settings.UseLegacyAPI)
{
if (apiClient.CheckCurrentVersionOutdated())
{
throw new MinimumClientVersionException(apiClient.CurrentApiEmulationVersion, apiClient.MinimumClientVersion);
}
}
//Encode payload and put in envelop, then send
var data = requestEnvelope.ToByteString();
var result = await client.PostAsync(apiClient.ApiUrl, new ByteArrayContent(data.ToByteArray()));
//Decode message
var responseData = await result.Content.ReadAsByteArrayAsync();
var codedStream = new CodedInputStream(responseData);
ResponseEnvelope serverResponse = new ResponseEnvelope();
serverResponse.MergeFrom(codedStream);
if (!string.IsNullOrEmpty(serverResponse.ApiUrl))
{
apiClient.ApiUrl = "https://" + serverResponse.ApiUrl + "/rpc";
}
if (serverResponse.AuthTicket != null)
{
apiClient.AccessToken.AuthTicket = serverResponse.AuthTicket;
}
switch (serverResponse.StatusCode)
{
case ResponseEnvelope.Types.StatusCode.InvalidAuthToken:
apiClient.AccessToken.Expire();
await Rpc.Login.Reauthenticate(apiClient);
Rpc.Login.SaveAccessToken(apiClient.AccessToken);
throw new AccessTokenExpiredException();
case ResponseEnvelope.Types.StatusCode.Redirect:
// 53 means that the api_endpoint was not correctly set, should be at this point, though, so redo the request
return(await PerformRemoteProcedureCall <TRequest>(client, apiClient, requestEnvelope));
case ResponseEnvelope.Types.StatusCode.BadRequest:
// Your account may be banned! please try from the official client.
throw new LoginFailedException("Your account may be banned! please try from the official client.");
case ResponseEnvelope.Types.StatusCode.Unknown:
break;
case ResponseEnvelope.Types.StatusCode.Ok:
break;
case ResponseEnvelope.Types.StatusCode.OkRpcUrlInResponse:
break;
case ResponseEnvelope.Types.StatusCode.InvalidRequest:
break;
case ResponseEnvelope.Types.StatusCode.InvalidPlatformRequest:
break;
case ResponseEnvelope.Types.StatusCode.SessionInvalidated:
break;
default:
throw new ArgumentOutOfRangeException();
}
return(serverResponse);
}