Attempt 3 for fixing SSL/TLS bug

src/Discord.Net/Net/API/RestClient.SharpRest.cs

@@ -44,11 +44,25 @@ namespace Discord.Net.API
 		}
 		private async Task<string> Send(RestRequest request, CancellationToken cancelToken)
 		{
-			var response = await _client.ExecuteTaskAsync(request, cancelToken).ConfigureAwait(false);
-			int statusCode = (int)response.StatusCode;
-			if (statusCode < 200 || statusCode >= 300) //2xx = Success
-				throw new HttpException(response.StatusCode);
-			return response.Content;
+			bool hasRetried = false;
+			while (true)
+			{
+				var response = await _client.ExecuteTaskAsync(request, cancelToken).ConfigureAwait(false);
+				int statusCode = (int)response.StatusCode;
+				if (statusCode == 0) //Internal Error
+				{
+					if (!hasRetried)
+					{
+						//SSL/TTS Error seems to work if we immediately retry
+						hasRetried = true;
+						continue;
+					}
+					throw response.ErrorException;
+				}
+				if (statusCode < 200 || statusCode >= 300) //2xx = Success
+					throw new HttpException(response.StatusCode);
+				return response.Content;
+			}
 		}
 
 		private Method GetMethod(HttpMethod method)

src/Discord.Net/Net/API/RestClient.cs

@@ -1,7 +1,6 @@
 using Newtonsoft.Json;
 using System;
 using System.Diagnostics;
-using System.Net;
 using System.Net.Http;
 using System.Reflection;
 using System.Threading;
@@ -21,7 +20,6 @@ namespace Discord.Net.API
 		private readonly IRestEngine _engine;
 		private readonly LogMessageSeverity _logLevel;
 		private CancellationToken _cancelToken;
-		private ServicePoint _servicePoint;
 
 		public RestClient(LogMessageSeverity logLevel)
 		{
@@ -111,8 +109,6 @@ namespace Discord.Net.API
 				stopwatch = Stopwatch.StartNew();
 			
 			string responseJson = await _engine.Send(method, path, requestJson, _cancelToken).ConfigureAwait(false);
-			if (_servicePoint == null)
-				ConfigureServicePoint();
 
 #if TEST_RESPONSES
 			if (!hasResponse && !string.IsNullOrEmpty(responseJson))
@@ -152,8 +148,6 @@ namespace Discord.Net.API
 				stopwatch = Stopwatch.StartNew();
 			
 			string responseJson = await _engine.SendFile(method, path, filePath, _cancelToken).ConfigureAwait(false);
-			if (_servicePoint == null)
-				ConfigureServicePoint();
 
 #if TEST_RESPONSES
 			if (!hasResponse && !string.IsNullOrEmpty(responseJson))
@@ -192,14 +186,5 @@ namespace Discord.Net.API
 
 		internal void SetToken(string token) => _engine.SetToken(token);
 		internal void SetCancelToken(CancellationToken token) => _cancelToken = token;
-		
-		private void ConfigureServicePoint()
-		{
-			_servicePoint = ServicePointManager.FindServicePoint(new Uri(Endpoints.BaseApi));
-			_servicePoint.Expect100Continue = true;
-			_servicePoint.UseNagleAlgorithm = false;
-			_servicePoint.MaxIdleTime = int.MaxValue;
-			_servicePoint.ConnectionLeaseTimeout = int.MaxValue;
-		}
 	}
 }