Fix GetToken()

src/Microsoft.AspNetCore.Authentication.Abstractions/TokenExtensions.cs

@@ -149,10 +149,6 @@ namespace Microsoft.AspNetCore.Authentication
             {
                 throw new ArgumentNullException(nameof(auth));
             }
-            if (scheme == null)
-            {
-                throw new ArgumentNullException(nameof(scheme));
-            }
             if (tokenName == null)
             {
                 throw new ArgumentNullException(nameof(tokenName));

test/Microsoft.AspNetCore.Authentication.Core.Test/Microsoft.AspNetCore.Authentication.Core.Test.csproj

@@ -8,6 +8,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\src\Microsoft.AspNetCore.Authentication.Core\Microsoft.AspNetCore.Authentication.Core.csproj" />
     <PackageReference Include="Microsoft.AspNetCore.Testing" Version="$(AspNetCoreVersion)" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(TestSdkVersion)" />
     <PackageReference Include="xunit" Version="$(XunitVersion)" />
     <PackageReference Include="xunit.runner.visualstudio" Version="$(XunitVersion)" />

test/Microsoft.AspNetCore.Authentication.Core.Test/TokenExtensionTests.cs

@@ -1,8 +1,13 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Security.Claims;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.DependencyInjection;
 using Xunit;
 
 namespace Microsoft.AspNetCore.Authentication
@@ -117,7 +122,70 @@ namespace Microsoft.AspNetCore.Authentication
             Assert.Null(props.GetTokenValue("ONE"));
             Assert.Null(props.GetTokenValue("Jigglypuff"));
             Assert.Equal(3, props.GetTokens().Count());
-
         }
+
+        [Fact]
+        public async Task GetTokenWorksWithDefaultAuthenticateScheme()
+        {
+            var context = new DefaultHttpContext();
+            var services = new ServiceCollection().AddOptions()
+                .AddAuthenticationCore(o => o.AddScheme("simple", s => s.HandlerType = typeof(SimpleAuth)));
+            context.RequestServices = services.BuildServiceProvider();
+
+            Assert.Equal("1", await context.GetTokenAsync("One"));
+            Assert.Equal("2", await context.GetTokenAsync("Two"));
+            Assert.Equal("3", await context.GetTokenAsync("Three"));
+        }
+
+        [Fact]
+        public async Task GetTokenWorksWithExplicitScheme()
+        {
+            var context = new DefaultHttpContext();
+            var services = new ServiceCollection().AddOptions()
+                .AddAuthenticationCore(o => o.AddScheme("simple", s => s.HandlerType = typeof(SimpleAuth)));
+            context.RequestServices = services.BuildServiceProvider();
+
+            Assert.Equal("1", await context.GetTokenAsync("simple", "One"));
+            Assert.Equal("2", await context.GetTokenAsync("simple", "Two"));
+            Assert.Equal("3", await context.GetTokenAsync("simple", "Three"));
+        }
+
+        private class SimpleAuth : IAuthenticationHandler
+        {
+            public Task<AuthenticateResult> AuthenticateAsync()
+            {
+                var props = new AuthenticationProperties();
+                var tokens = new List<AuthenticationToken>();
+                var tok1 = new AuthenticationToken { Name = "One", Value = "1" };
+                var tok2 = new AuthenticationToken { Name = "Two", Value = "2" };
+                var tok3 = new AuthenticationToken { Name = "Three", Value = "3" };
+                tokens.Add(tok1);
+                tokens.Add(tok2);
+                tokens.Add(tok3);
+                props.StoreTokens(tokens);
+                return Task.FromResult(AuthenticateResult.Success(new AuthenticationTicket(new ClaimsPrincipal(), props, "simple")));
+            }
+
+            public Task ChallengeAsync(ChallengeContext context)
+            {
+                return Task.FromResult(0);
+            }
+
+            public Task InitializeAsync(AuthenticationScheme scheme, HttpContext context)
+            {
+                return Task.FromResult(0);
+            }
+
+            public Task SignInAsync(SignInContext context)
+            {
+                return Task.FromResult(0);
+            }
+
+            public Task SignOutAsync(SignOutContext context)
+            {
+                return Task.FromResult(0);
+            }
+        }
+
     }
 }