Merge pull request #1060 from azasp/issue/Content-length-mismatch-too…

…-many-bytes-written

Fix: Content length mismatch : too many bytes written

src/SoapCore/SoapEndpointMiddleware.cs

@@ -1,17 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.IO;
-using System.Linq;
-using System.Net;
-using System.Net.Http.Headers;
-using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Security.Authentication;
-using System.ServiceModel;
-using System.ServiceModel.Channels;
-using System.Threading.Tasks;
-using System.Xml;
 using Microsoft.AspNetCore.Connections;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Features;
@@ -26,6 +12,20 @@
 using SoapCore.MessageEncoder;
 using SoapCore.Meta;
 using SoapCore.ServiceModel;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Net;
+using System.Net.Http.Headers;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Security.Authentication;
+using System.ServiceModel;
+using System.ServiceModel.Channels;
+using System.Threading.Tasks;
+using System.Xml;
 
 namespace SoapCore
 {
@@ -265,7 +265,10 @@ private async Task ProcessMeta(HttpContext httpContext, bool showDocumentation)
  await messageEncoder.WriteMessageAsync(responseMessage, httpContext, ms, _options.IndentWsdl);
  ms.Position = 0;
  var documentation = SoapDefinition.DeserializeFromStream(ms).GenerateDocumentation();
-
+ if (httpContext?.Response.ContentLength <= documentation.Length)
+ {
+ httpContext.Response.ContentLength = documentation.Length;
+ }
  await httpContext.Response.WriteAsync(documentation);
 
  return;
@@ -956,7 +959,7 @@ private Message CreateErrorResponseMessage(
  private void SetHttpResponse(HttpContext httpContext, Message message)
  {
  if (!message.Properties.TryGetValue(HttpResponseMessageProperty.Name, out var value)
- || !(value is HttpResponseMessageProperty httpProperty))
+ || value is not HttpResponseMessageProperty httpProperty)
  {
  return;
  }