From e2f84f0c1fac42f2b2a2493d0d272826abde734f Mon Sep 17 00:00:00 2001
From: UbitUmarov <ajlduarte@sapo.pt>
Date: Thu, 16 Apr 2020 02:13:03 +0100
Subject: [PATCH] send 100 continue code the way ms seems to want

---
 .../OSHttpServer/HttpClientContext.cs          | 18 +++++++++++-------
 .../OSHttpServer/HttpContextFactory.cs         |  1 -
 .../HttpServer/OSHttpServer/HttpRequest.cs     |  4 ++++
 3 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpClientContext.cs b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpClientContext.cs
index 625f0bfff3..6059afcb2a 100644
--- a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpClientContext.cs
+++ b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpClientContext.cs
@@ -140,6 +140,7 @@ namespace OSHttpServer
                 basecontextID = 1;
 
             contextID = basecontextID;
+            sock.NoDelay = true;
         }
 
         public bool CanSend()
@@ -175,7 +176,7 @@ namespace OSHttpServer
                 lock (requestsInServiceIDs)
                 {
                     if (requestsInServiceIDs.Count == 0)
-                        Respond("HTTP/1.1", HttpStatusCode.Continue, "Please continue.");
+                        Respond("HTTP/1.1", HttpStatusCode.Continue, null);
                 }
             }
             m_currentRequest.AddHeader(e.Name, e.Value);
@@ -557,20 +558,21 @@ namespace OSHttpServer
         {
             LastActivityTimeMS = ContextTimeoutManager.EnvironmentTickCount();
 
-            if (string.IsNullOrEmpty(contentType))
-                contentType = "text/html";
-
             if (string.IsNullOrEmpty(reason))
                 reason = statusCode.ToString();
 
             byte[] buffer;
             if(string.IsNullOrEmpty(body))
-                buffer = Encoding.ASCII.GetBytes(httpVersion + " " + (int)statusCode + " " + reason ?? statusCode.ToString() + "\r\n\r\n");
+                buffer = Encoding.ASCII.GetBytes(httpVersion + " " + (int)statusCode + " " + reason + "\r\n\r\n");
             else
+            {
+                if (string.IsNullOrEmpty(contentType))
+                    contentType = "text/html";
                 buffer = Encoding.UTF8.GetBytes(
                         string.Format("{0} {1} {2}\r\nContent-Type: {5}\r\nContent-Length: {3}\r\n\r\n{4}",
                                                   httpVersion, (int)statusCode, reason ?? statusCode.ToString(),
                                                   body.Length, body, contentType));
+            }
             Send(buffer);
         }
 
@@ -582,8 +584,10 @@ namespace OSHttpServer
         /// <param name="reason">reason for the status code.</param>
         public void Respond(string httpVersion, HttpStatusCode statusCode, string reason)
         {
-
-            Respond(httpVersion, statusCode, reason, null, null);
+            if (string.IsNullOrEmpty(reason))
+                reason = statusCode.ToString();
+            byte[] buffer = Encoding.ASCII.GetBytes(httpVersion + " " + (int)statusCode + " " + reason + "\r\n\r\n");
+            Send(buffer);
         }
 
         /// <summary>
diff --git a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpContextFactory.cs b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpContextFactory.cs
index eb951e24e4..447beb532f 100644
--- a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpContextFactory.cs
+++ b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpContextFactory.cs
@@ -103,7 +103,6 @@ namespace OSHttpServer
         public IHttpClientContext CreateSecureContext(Socket socket, X509Certificate certificate,
              SslProtocols protocol, RemoteCertificateValidationCallback _clientCallback = null)
         {
-            socket.NoDelay = true;
             var networkStream = new NetworkStream(socket, true);
             var remoteEndPoint = (IPEndPoint)socket.RemoteEndPoint;
 
diff --git a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpRequest.cs b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpRequest.cs
index 2675130e54..f520245f7e 100644
--- a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpRequest.cs
+++ b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpRequest.cs
@@ -402,6 +402,7 @@ namespace OSHttpServer
                         throw new BadRequestException("Unknown 'Connection' header type.");
                     break;
 
+                /*
                 case "expect":
                     if (value.Contains("100-continue"))
                     {
@@ -409,7 +410,10 @@ namespace OSHttpServer
                     }
                     m_headers.Add(name, value);
                     break;
+                */
+                case "user-agent":
 
+                    break;
                 default:
                     m_headers.Add(name, value);
                     break;