chaosbot/ChaosBot/WebServer/Startup.cs

using System.Net.Http;
using ChaosBot.WebServer.Services;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;

namespace ChaosBot.WebServer
{
    class Startup
    {
        public IConfiguration Configuration { get; }

        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }
        
        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllers();

            services.Configure<ForwardedHeadersOptions>(options =>
            {
                options.ForwardedHeaders =
                    ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
            });

            services
                .AddSingleton(sp => new AccessTokenCache())
                .AddSingleton(sp => new DiscordInviteGenerator())
                .AddSingleton(sp => new HttpClient())
                .AddSingleton(sp => new ValidationService())
            ;
        }
        
        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            LoggingFacade.Info("Initializing Kestrel Startup and Configuration");

            if (new Configuration().GetValueGlobalDefault<bool>("WebServer:Debug"))
                app.UseDeveloperExceptionPage();

            app.UseForwardedHeaders();
            app.UseMiddleware<AuthenticationMiddleware>();
            app.UseRouting();
            app.UseAuthorization();
            app.UseEndpoints(endpoints => { endpoints.MapControllers(); });

            DefaultFilesOptions options = new DefaultFilesOptions();
            options.DefaultFileNames.Clear();
            options.DefaultFileNames.Add("index.html");
            app.UseDefaultFiles(options);
            app.UseStaticFiles();
        }
    }
}