Startup.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Identity;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

namespace NewClaimsDataTakeThree
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddIdentity<IdentityUser, IdentityRole>()
                //.AddEntityFrameworkStores<ApplicationDbContext>()
                .AddDefaultTokenProviders();

            services.AddAuthentication()
                .AddWsFederation(options =>
                {
                    // MetadataAddress represents the Active Directory instance used to authenticate users.
                    options.MetadataAddress = "https://sts.mydomain.com/FederationMetadata/2007-06/FederationMetadata.xml";

                    // Wtrealm is the app's identifier in the Active Directory instance.
                    // For ADFS, use the relying party's identifier, its WS-Federation Passive protocol URL:
                    options.Wtrealm = "https://localhost:44300/";

                    // For AAD, use the App ID URI from the app registration's Properties blade:
                    options.Wtrealm = "https://wsfedsample.onmicrosoft.com/bf0e7e6d-056e-4e37-b9a6-2c36797b9f01";
                });

            services.AddMvc();
            //services.AddControllersWithViews();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                app.UseHsts();
            }
            app.UseHttpsRedirection();
            app.UseStaticFiles();

            app.UseRouting();

            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller=Home}/{action=Index}/{id?}");
            });
        }
    }
}