#391 Add back the DisplayName setting

Author: Tratcher

samples/IISSample/Startup.cs

@@ -1,8 +1,10 @@
 using System;
 using System.Linq;
+using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Server.IISIntegration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 
@@ -15,13 +17,14 @@ public void ConfigureServices(IServiceCollection services)
             // These two middleware are registered via an IStartupFilter in UseIISIntegration but you can configure them here.
             services.Configure<IISOptions>(options =>
             {
+                options.AuthenticationDisplayName = "Windows Auth";
             });
             services.Configure<ForwardedHeadersOptions>(options =>
             {
             });
         }
 
-        public void Configure(IApplicationBuilder app, ILoggerFactory loggerfactory)
+        public void Configure(IApplicationBuilder app, ILoggerFactory loggerfactory, IAuthenticationSchemeProvider authSchemeProvider)
         {
             var logger = loggerfactory.CreateLogger("Requests");
 
@@ -50,6 +53,8 @@ public void Configure(IApplicationBuilder app, ILoggerFactory loggerfactory)
                 await context.Response.WriteAsync(Environment.NewLine);
 
                 await context.Response.WriteAsync("User: " + context.User.Identity.Name + Environment.NewLine);
+                var scheme = await authSchemeProvider.GetSchemeAsync(IISDefaults.AuthenticationScheme);
+                await context.Response.WriteAsync("DisplayName: " + scheme?.DisplayName + Environment.NewLine);
                 await context.Response.WriteAsync(Environment.NewLine);
 
                 await context.Response.WriteAsync("Headers:" + Environment.NewLine);

src/Microsoft.AspNetCore.Server.IISIntegration/IISMiddleware.cs

@@ -57,7 +57,7 @@ public IISMiddleware(RequestDelegate next, ILoggerFactory loggerFactory, IOption
 
             if (_options.ForwardWindowsAuthentication)
             {
-                authentication.AddScheme(new AuthenticationScheme(IISDefaults.AuthenticationScheme, displayName: null, handlerType: typeof(AuthenticationHandler)));
+                authentication.AddScheme(new AuthenticationScheme(IISDefaults.AuthenticationScheme, _options.AuthenticationDisplayName, typeof(AuthenticationHandler)));
             }
 
             _pairingToken = pairingToken;

src/Microsoft.AspNetCore.Server.IISIntegration/IISOptions.cs

@@ -12,6 +12,11 @@ public class IISOptions
         /// </summary>
         public bool AutomaticAuthentication { get; set; } = true;
 
+        /// <summary>
+        /// Sets the display name shown to users on login pages. The default is null.
+        /// </summary>
+        public string AuthenticationDisplayName { get; set; }
+
         /// <summary>
         /// Used to indicate if the authentication handler should be registered. This is only done if ANCM indicates
         /// IIS has a non-anonymous authentication enabled, or for back compat with ANCMs that did not provide this information.