Startup.cs

// <copyright file="Startup.cs" company="Microsoft">
// Copyright (c) Microsoft. All rights reserved.
// </copyright>

namespace TokenApp
{
    using Microsoft.AspNetCore.Authentication.JwtBearer;
    using Microsoft.AspNetCore.Builder;
    using Microsoft.AspNetCore.Hosting;
    using Microsoft.AspNetCore.SpaServices.ReactDevelopmentServer;
    using Microsoft.Bot.Builder;
    using Microsoft.Bot.Builder.Integration.AspNet.Core;
    using Microsoft.Bot.Connector.Authentication;
    using Microsoft.Extensions.Configuration;
    using Microsoft.Extensions.DependencyInjection;
    using Microsoft.Extensions.Hosting;
    using Microsoft.IdentityModel.Tokens;
    using TokenApp.Bots;
    using TokenApp.Repository;
    using TokenApp.Service;

    /// <summary>
    /// Register services in DI container, and set up middle-wares in the pipeline.
    /// </summary>
    public class Startup
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="Startup"/> class.
        /// </summary>
        /// <param name="configuration">IConfiguration instance.</param>
        public Startup(IConfiguration configuration)
        {
            this.Configuration = configuration;
        }

        /// <summary>
        /// Gets the IConfiguration instance.
        /// </summary>
        public IConfiguration Configuration { get; }

        /// <summary>
        /// This method gets called by the runtime. Use this method to add services to the container.
        /// </summary>
        /// <param name="services">IServiceCollection instance.</param>
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme).AddJwtBearer(options =>
            {
                options.Authority = "https://login.microsoftonline.com/common";
                options.Audience = this.Configuration["AzureAd:ApplicationIdURI"];
                options.TokenValidationParameters = new TokenValidationParameters
                {
                    ValidateIssuer = false,
                };
            });
            services.AddControllersWithViews();
            services.AddControllers().AddNewtonsoftJson();

            services.AddSingleton<AppCredentials, MicrosoftAppCredentials>(
                m => new MicrosoftAppCredentials(this.Configuration["MicrosoftAppId"], this.Configuration["MicrosoftAppPassword"]));

            // Create the Bot Framework Adapter with error handling enabled.
            services.AddSingleton<IBotFrameworkHttpAdapter, AdapterWithErrorHandler>();
            services.AddSingleton<ITenantInfoRepository, InMemoryTenantInfoRepository>();
            services.AddSingleton<IMeetingService, MeetingService>();
            services.AddSingleton<IMeetingTokenRepository, InMemoryMeetingTokenRepository>();

            services.AddOptions<MeetingServiceOptions>().Configure<IConfiguration>((options, configuration) =>
            {
                // For simplicity, in this sample we set the Teams app ID in the manifest to the app ID of the bot
                options.TeamsAppId = configuration.GetValue<string>("MicrosoftAppId");
                options.ContentBubbleUrl = configuration.GetValue<string>("ContentBubbleUrl");
            });

            services.AddHttpClient();

            // Create the bot as a transient. In this case the ASP Controller is expecting an IBot.
            services.AddTransient<IBot, TokenBot>();
            services.AddSpaStaticFiles(configuration =>
            {
                configuration.RootPath = "ClientApp/build";
            });
        }

        /// <summary>
        /// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        /// </summary>
        /// <param name="app">IApplicationBuilder instance, which is a class that provides the mechanisms to configure an application's request pipeline.</param>
        /// <param name="env">IHostingEnvironment instance, which provides information about the web hosting environment an application is running in.</param>
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseStaticFiles();
            app.UseSpaStaticFiles();
            app.UseRouting()
            .UseAuthentication()
            .UseAuthorization()
            .UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });

            app.UseSpa(spa =>
            {
                spa.Options.SourcePath = "ClientApp";

                if (env.IsDevelopment())
                {
                    spa.UseReactDevelopmentServer(npmScript: "start");
                }
            });
        }
    }
}