using Autofac; using Autofac.Extensions.DependencyInjection; using Basket.API.Infrastructure.Filters; using Basket.API.IntegrationEvents.EventHandling; using Basket.API.IntegrationEvents.Events; using GrpcBasket; using HealthChecks.UI.Client; using Microsoft.AspNetCore.Authentication.JwtBearer; using Microsoft.AspNetCore.Builder; using Microsoft.AspNetCore.Diagnostics.HealthChecks; using Microsoft.AspNetCore.Hosting; using Microsoft.AspNetCore.Http; using Microsoft.Azure.ServiceBus; using Microsoft.eShopOnContainers.BuildingBlocks.EventBus; using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions; using Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ; using Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus; using Microsoft.eShopOnContainers.Services.Basket.API.Controllers; using Microsoft.eShopOnContainers.Services.Basket.API.Infrastructure.Repositories; using Microsoft.eShopOnContainers.Services.Basket.API.IntegrationEvents.EventHandling; using Microsoft.eShopOnContainers.Services.Basket.API.IntegrationEvents.Events; using Microsoft.eShopOnContainers.Services.Basket.API.Model; using Microsoft.eShopOnContainers.Services.Basket.API.Services; using Microsoft.Extensions.Configuration; using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.Diagnostics.HealthChecks; using Microsoft.Extensions.Logging; using Microsoft.Extensions.Options; using Microsoft.OpenApi.Models; using RabbitMQ.Client; using StackExchange.Redis; using System; using System.Collections.Generic; using System.IdentityModel.Tokens.Jwt; using System.IO; namespace Microsoft.eShopOnContainers.Services.Basket.API { 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 virtual IServiceProvider ConfigureServices(IServiceCollection services) { services.AddGrpc(options => { options.EnableDetailedErrors = true; }); RegisterAppInsights(services); services.AddControllers(options => { options.Filters.Add(typeof(HttpGlobalExceptionFilter)); options.Filters.Add(typeof(ValidateModelStateFilter)); }) // Added for functional tests .AddApplicationPart(typeof(BasketController).Assembly) .AddNewtonsoftJson(); services.AddSwaggerGen(options => { options.DescribeAllEnumsAsStrings(); options.SwaggerDoc("v1", new OpenApiInfo { Title = "eShopOnContainers - Basket HTTP API", Version = "v1", Description = "The Basket Service HTTP API" }); options.AddSecurityDefinition("oauth2", new OpenApiSecurityScheme { Type = SecuritySchemeType.OAuth2, Flows = new OpenApiOAuthFlows() { Implicit = new OpenApiOAuthFlow() { AuthorizationUrl = new Uri($"{Configuration.GetValue("IdentityUrlExternal")}/connect/authorize"), TokenUrl = new Uri($"{Configuration.GetValue("IdentityUrlExternal")}/connect/token"), Scopes = new Dictionary() { { "basket", "Basket API" } } } } }); options.OperationFilter(); }); ConfigureAuthService(services); services.AddCustomHealthCheck(Configuration); services.Configure(Configuration); //By connecting here we are making sure that our service //cannot start until redis is ready. This might slow down startup, //but given that there is a delay on resolving the ip address //and then creating the connection it seems reasonable to move //that cost to startup instead of having the first request pay the //penalty. services.AddSingleton(sp => { var settings = sp.GetRequiredService>().Value; var configuration = ConfigurationOptions.Parse(settings.ConnectionString, true); configuration.ResolveDns = true; return ConnectionMultiplexer.Connect(configuration); }); if (Configuration.GetValue("AzureServiceBusEnabled")) { services.AddSingleton(sp => { var serviceBusConnectionString = Configuration["EventBusConnection"]; var serviceBusConnection = new ServiceBusConnectionStringBuilder(serviceBusConnectionString); var subscriptionClientName = Configuration["SubscriptionClientName"]; return new DefaultServiceBusPersisterConnection(serviceBusConnection, subscriptionClientName); }); } else { services.AddSingleton(sp => { var logger = sp.GetRequiredService>(); var factory = new ConnectionFactory() { HostName = Configuration["EventBusConnection"], DispatchConsumersAsync = true }; if (!string.IsNullOrEmpty(Configuration["EventBusUserName"])) { factory.UserName = Configuration["EventBusUserName"]; } if (!string.IsNullOrEmpty(Configuration["EventBusPassword"])) { factory.Password = Configuration["EventBusPassword"]; } var retryCount = 5; if (!string.IsNullOrEmpty(Configuration["EventBusRetryCount"])) { retryCount = int.Parse(Configuration["EventBusRetryCount"]); } return new DefaultRabbitMQPersistentConnection(factory, logger, retryCount); }); } RegisterEventBus(services); services.AddCors(options => { options.AddPolicy("CorsPolicy", builder => builder .SetIsOriginAllowed((host) => true) .AllowAnyMethod() .AllowAnyHeader() .AllowCredentials()); }); services.AddSingleton(); services.AddTransient(); services.AddTransient(); services.AddOptions(); var container = new ContainerBuilder(); container.Populate(services); return new AutofacServiceProvider(container.Build()); } // This method gets called by the runtime. Use this method to configure the HTTP request pipeline. public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory) { //loggerFactory.AddAzureWebAppDiagnostics(); //loggerFactory.AddApplicationInsights(app.ApplicationServices, LogLevel.Trace); var pathBase = Configuration["PATH_BASE"]; if (!string.IsNullOrEmpty(pathBase)) { app.UsePathBase(pathBase); } app.UseSwagger() .UseSwaggerUI(setup => { setup.SwaggerEndpoint($"{ (!string.IsNullOrEmpty(pathBase) ? pathBase : string.Empty) }/swagger/v1/swagger.json", "Basket.API V1"); setup.OAuthClientId("basketswaggerui"); setup.OAuthAppName("Basket Swagger UI"); }); app.UseRouting(); app.UseCors("CorsPolicy"); ConfigureAuth(app); app.UseStaticFiles(); app.UseEndpoints(endpoints => { endpoints.MapGrpcService(); endpoints.MapDefaultControllerRoute(); endpoints.MapControllers(); endpoints.MapGet("/_proto/", async ctx => { ctx.Response.ContentType = "text/plain"; using var fs = new FileStream(Path.Combine(env.ContentRootPath, "Proto", "basket.proto"), FileMode.Open, FileAccess.Read); using var sr = new StreamReader(fs); while (!sr.EndOfStream) { var line = await sr.ReadLineAsync(); if (line != "/* >>" || line != "<< */") { await ctx.Response.WriteAsync(line); } } }); endpoints.MapHealthChecks("/hc", new HealthCheckOptions() { Predicate = _ => true, ResponseWriter = UIResponseWriter.WriteHealthCheckUIResponse }); endpoints.MapHealthChecks("/liveness", new HealthCheckOptions { Predicate = r => r.Name.Contains("self") }); }); ConfigureEventBus(app); } private void RegisterAppInsights(IServiceCollection services) { services.AddApplicationInsightsTelemetry(Configuration); services.AddApplicationInsightsKubernetesEnricher(); } private void ConfigureAuthService(IServiceCollection services) { // prevent from mapping "sub" claim to nameidentifier. JwtSecurityTokenHandler.DefaultInboundClaimTypeMap.Remove("sub"); var identityUrl = Configuration.GetValue("IdentityUrl"); services.AddAuthentication(options => { options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme; options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme; }).AddJwtBearer(options => { options.Authority = identityUrl; options.RequireHttpsMetadata = false; options.Audience = "basket"; }); } protected virtual void ConfigureAuth(IApplicationBuilder app) { app.UseAuthentication(); app.UseAuthorization(); } private void RegisterEventBus(IServiceCollection services) { if (Configuration.GetValue("AzureServiceBusEnabled")) { services.AddSingleton(sp => { var serviceBusPersisterConnection = sp.GetRequiredService(); var iLifetimeScope = sp.GetRequiredService(); var logger = sp.GetRequiredService>(); var eventBusSubcriptionsManager = sp.GetRequiredService(); return new EventBusServiceBus(serviceBusPersisterConnection, logger, eventBusSubcriptionsManager, iLifetimeScope); }); } else { services.AddSingleton(sp => { var subscriptionClientName = Configuration["SubscriptionClientName"]; var rabbitMQPersistentConnection = sp.GetRequiredService(); var iLifetimeScope = sp.GetRequiredService(); var logger = sp.GetRequiredService>(); var eventBusSubcriptionsManager = sp.GetRequiredService(); var retryCount = 5; if (!string.IsNullOrEmpty(Configuration["EventBusRetryCount"])) { retryCount = int.Parse(Configuration["EventBusRetryCount"]); } return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubcriptionsManager, subscriptionClientName, retryCount); }); } services.AddSingleton(); services.AddTransient(); services.AddTransient(); } private void ConfigureEventBus(IApplicationBuilder app) { var eventBus = app.ApplicationServices.GetRequiredService(); eventBus.Subscribe(); eventBus.Subscribe(); } } public static class CustomExtensionMethods { public static IServiceCollection AddCustomHealthCheck(this IServiceCollection services, IConfiguration configuration) { var hcBuilder = services.AddHealthChecks(); hcBuilder.AddCheck("self", () => HealthCheckResult.Healthy()); hcBuilder .AddRedis( configuration["ConnectionString"], name: "redis-check", tags: new string[] { "redis" }); if (configuration.GetValue("AzureServiceBusEnabled")) { hcBuilder .AddAzureServiceBusTopic( configuration["EventBusConnection"], topicName: "eshop_event_bus", name: "basket-servicebus-check", tags: new string[] { "servicebus" }); } else { hcBuilder .AddRabbitMQ( $"amqp://{configuration["EventBusConnection"]}", name: "basket-rabbitmqbus-check", tags: new string[] { "rabbitmqbus" }); } return services; } } }