Make auth optional

Author: HaoK

src/Microsoft.AspNetCore.Server.HttpSys/MessagePump.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.Contracts;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authentication;
@@ -33,7 +34,7 @@ internal class MessagePump : IServer
 
         private readonly ServerAddressesFeature _serverAddresses;
 
-        public MessagePump(IOptions<HttpSysOptions> options, ILoggerFactory loggerFactory, IAuthenticationSchemeProvider authentication)
+        public MessagePump(IOptions<HttpSysOptions> options, ILoggerFactory loggerFactory, IEnumerable<IAuthenticationSchemeProvider> authentication)
         {
             if (options == null)
             {
@@ -43,16 +44,20 @@ public MessagePump(IOptions<HttpSysOptions> options, ILoggerFactory loggerFactor
             {
                 throw new ArgumentNullException(nameof(loggerFactory));
             }
-            if (authentication == null)
-            {
-                throw new ArgumentNullException(nameof(authentication));
-            }
-
             _options = options.Value;
             Listener = new HttpSysListener(_options, loggerFactory);
             _logger = LogHelper.CreateLogger(loggerFactory, typeof(MessagePump));
 
-            AddSchemes(authentication, _options.Authentication.Schemes);
+            if (_options.Authentication.Schemes != AuthenticationSchemes.None)
+            {
+                var auth = authentication.FirstOrDefault();
+                if (auth == null)
+                {
+                    throw new InvalidOperationException("AddAuthentication() is required to use Authentication.");
+                }
+
+                AddSchemes(auth, _options.Authentication.Schemes);
+            }
 
             Features = new FeatureCollection();
             _serverAddresses = new ServerAddressesFeature();

src/Microsoft.AspNetCore.Server.HttpSys/Microsoft.AspNetCore.Server.HttpSys.csproj

@@ -9,8 +9,9 @@
     <PackageTags>aspnetcore;weblistener;httpsys</PackageTags>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="1.2.0-*" />
-    <ProjectReference Include="..\..\..\Security\src\Microsoft.AspNetCore.Authentication.Impl\Microsoft.AspNetCore.Authentication.Impl.csproj" />
+    <ProjectReference Include="..\..\..\Hosting\src\Microsoft.AspNetCore.Hosting\Microsoft.AspNetCore.Hosting.csproj" />
+    <ProjectReference Include="..\..\..\Security\src\Microsoft.AspNetCore.Authentication\Microsoft.AspNetCore.Authentication.csproj" />
+    <ProjectReference Include="..\..\..\Options\src\Microsoft.Extensions.Options\Microsoft.Extensions.Options.csproj" />
     <PackageReference Include="Microsoft.Extensions.RuntimeEnvironment.Sources" Version="1.2.0-*" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="1.2.0-*" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Net.Http.Headers" Version="1.2.0-*" />