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namespace Microsoft.eShopOnContainers.Services.Ordering.API
{
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using AspNetCore.Http;
using Autofac;
using Autofac.Extensions.DependencyInjection;
using global::Ordering.API.Application.IntegrationEvents;
using global::Ordering.API.Application.IntegrationEvents.Events;
using global::Ordering.API.Infrastructure.Filters;
using global::Ordering.API.Infrastructure.Middlewares;
using Infrastructure.AutofacModules;
using Infrastructure.Filters;
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using Infrastructure.Services;
using Microsoft.ApplicationInsights.Extensibility;
using Microsoft.ApplicationInsights.ServiceFabric;
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using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Azure.ServiceBus;
using Microsoft.EntityFrameworkCore;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus;
using Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF;
using Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF.Services;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.HealthChecks;
using Microsoft.Extensions.Logging;
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using Ordering.Infrastructure;
using RabbitMQ.Client;
using Swashbuckle.AspNetCore.Swagger;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.IdentityModel.Tokens.Jwt;
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using System.Reflection;
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
public IServiceProvider ConfigureServices(IServiceCollection services)
{
services.AddApplicationInsights(Configuration)
.AddCustomMvc()
.AddHealthChecks(Configuration)
.AddCustomDbContext(Configuration)
.AddCustomSwagger(Configuration)
.AddCustomIntegrations(Configuration)
.AddCustomConfiguration(Configuration)
.AddEventBus(Configuration)
.AddCustomAuthentication(Configuration);
//configure autofac
var container = new ContainerBuilder();
container.Populate(services);
container.RegisterModule(new MediatorModule());
container.RegisterModule(new ApplicationModule(Configuration["ConnectionString"]));
return new AutofacServiceProvider(container.Build());
}
public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory)
{
loggerFactory.AddAzureWebAppDiagnostics();
loggerFactory.AddApplicationInsights(app.ApplicationServices, LogLevel.Trace);
var pathBase = Configuration["PATH_BASE"];
if (!string.IsNullOrEmpty(pathBase))
{
loggerFactory.CreateLogger("init").LogDebug($"Using PATH BASE '{pathBase}'");
app.UsePathBase(pathBase);
}
#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously
app.Map("/liveness", lapp => lapp.Run(async ctx => ctx.Response.StatusCode = 200));
#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
app.UseCors("CorsPolicy");
ConfigureAuth(app);
app.UseMvcWithDefaultRoute();
app.UseSwagger()
.UseSwaggerUI(c =>
{
c.SwaggerEndpoint($"{ (!string.IsNullOrEmpty(pathBase) ? pathBase : string.Empty) }/swagger/v1/swagger.json", "Ordering.API V1");
c.OAuthClientId("orderingswaggerui");
c.OAuthAppName("Ordering Swagger UI");
});
ConfigureEventBus(app);
}
private void ConfigureEventBus(IApplicationBuilder app)
{
var eventBus = app.ApplicationServices.GetRequiredService<BuildingBlocks.EventBus.Abstractions.IEventBus>();
eventBus.Subscribe<UserCheckoutAcceptedIntegrationEvent, IIntegrationEventHandler<UserCheckoutAcceptedIntegrationEvent>>();
eventBus.Subscribe<GracePeriodConfirmedIntegrationEvent, IIntegrationEventHandler<GracePeriodConfirmedIntegrationEvent>>();
eventBus.Subscribe<OrderStockConfirmedIntegrationEvent, IIntegrationEventHandler<OrderStockConfirmedIntegrationEvent>>();
eventBus.Subscribe<OrderStockRejectedIntegrationEvent, IIntegrationEventHandler<OrderStockRejectedIntegrationEvent>>();
eventBus.Subscribe<OrderPaymentFailedIntegrationEvent, IIntegrationEventHandler<OrderPaymentFailedIntegrationEvent>>();
eventBus.Subscribe<OrderPaymentSuccededIntegrationEvent, IIntegrationEventHandler<OrderPaymentSuccededIntegrationEvent>>();
}
protected virtual void ConfigureAuth(IApplicationBuilder app)
{
if (Configuration.GetValue<bool>("UseLoadTest"))
{
app.UseMiddleware<ByPassAuthMiddleware>();
}
app.UseAuthentication();
}
}
static class CustomExtensionsMethods
{
public static IServiceCollection AddApplicationInsights(this IServiceCollection services, IConfiguration configuration)
{
services.AddApplicationInsightsTelemetry(configuration);
var orchestratorType = configuration.GetValue<string>("OrchestratorType");
if (orchestratorType?.ToUpper() == "K8S")
{
// Enable K8s telemetry initializer
services.EnableKubernetes();
}
if (orchestratorType?.ToUpper() == "SF")
{
// Enable SF telemetry initializer
services.AddSingleton<ITelemetryInitializer>((serviceProvider) =>
new FabricTelemetryInitializer());
}
return services;
}
public static IServiceCollection AddCustomMvc(this IServiceCollection services)
{
// Add framework services.
services.AddMvc(options =>
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{
options.Filters.Add(typeof(HttpGlobalExceptionFilter));
})
.SetCompatibilityVersion(CompatibilityVersion.Version_2_2)
.AddControllersAsServices(); //Injecting Controllers themselves thru DI
//For further info see: http://docs.autofac.org/en/latest/integration/aspnetcore.html#controllers-as-services
services.AddCors(options =>
{
options.AddPolicy("CorsPolicy",
builder => builder.AllowAnyOrigin()
.AllowAnyMethod()
.AllowAnyHeader()
.AllowCredentials());
});
return services;
}
public static IServiceCollection AddHealthChecks(this IServiceCollection services, IConfiguration configuration)
{
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services.AddHealthChecks(checks =>
{
var minutes = 1;
if (int.TryParse(configuration["HealthCheck:Timeout"], out var minutesParsed))
{
minutes = minutesParsed;
}
checks.AddSqlCheck("OrderingDb", configuration["ConnectionString"], TimeSpan.FromMinutes(minutes));
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});
return services;
}
public static IServiceCollection AddCustomDbContext(this IServiceCollection services, IConfiguration configuration)
{
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services.AddEntityFrameworkSqlServer()
.AddDbContext<OrderingContext>(options =>
{
options.UseSqlServer(configuration["ConnectionString"],
sqlServerOptionsAction: sqlOptions =>
{
sqlOptions.MigrationsAssembly(typeof(Startup).GetTypeInfo().Assembly.GetName().Name);
sqlOptions.EnableRetryOnFailure(maxRetryCount: 10, maxRetryDelay: TimeSpan.FromSeconds(30), errorNumbersToAdd: null);
});
},
ServiceLifetime.Scoped //Showing explicitly that the DbContext is shared across the HTTP request scope (graph of objects started in the HTTP request)
);
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services.AddDbContext<IntegrationEventLogContext>(options =>
{
options.UseSqlServer(configuration["ConnectionString"],
sqlServerOptionsAction: sqlOptions =>
{
sqlOptions.MigrationsAssembly(typeof(Startup).GetTypeInfo().Assembly.GetName().Name);
//Configuring Connection Resiliency: https://docs.microsoft.com/en-us/ef/core/miscellaneous/connection-resiliency
sqlOptions.EnableRetryOnFailure(maxRetryCount: 10, maxRetryDelay: TimeSpan.FromSeconds(30), errorNumbersToAdd: null);
});
});
return services;
}
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public static IServiceCollection AddCustomSwagger(this IServiceCollection services, IConfiguration configuration)
{
services.AddSwaggerGen(options =>
{
options.DescribeAllEnumsAsStrings();
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options.SwaggerDoc("v1", new Swashbuckle.AspNetCore.Swagger.Info
{
Title = "Ordering HTTP API",
Version = "v1",
Description = "The Ordering Service HTTP API",
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TermsOfService = "Terms Of Service"
});
options.AddSecurityDefinition("oauth2", new OAuth2Scheme
{
Type = "oauth2",
Flow = "implicit",
AuthorizationUrl = $"{configuration.GetValue<string>("IdentityUrlExternal")}/connect/authorize",
TokenUrl = $"{configuration.GetValue<string>("IdentityUrlExternal")}/connect/token",
Scopes = new Dictionary<string, string>()
{
{ "orders", "Ordering API" }
}
});
options.OperationFilter<AuthorizeCheckOperationFilter>();
});
return services;
}
public static IServiceCollection AddCustomIntegrations(this IServiceCollection services, IConfiguration configuration)
{
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services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
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services.AddTransient<IIdentityService, IdentityService>();
services.AddTransient<Func<DbConnection, IIntegrationEventLogService>>(
sp => (DbConnection c) => new IntegrationEventLogService(c));
services.AddTransient<IOrderingIntegrationEventService, OrderingIntegrationEventService>();
if (configuration.GetValue<bool>("AzureServiceBusEnabled"))
{
services.AddSingleton<IServiceBusPersisterConnection>(sp =>
{
var logger = sp.GetRequiredService<ILogger<DefaultServiceBusPersisterConnection>>();
var serviceBusConnectionString = configuration["EventBusConnection"];
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var serviceBusConnection = new ServiceBusConnectionStringBuilder(serviceBusConnectionString);
return new DefaultServiceBusPersisterConnection(serviceBusConnection, logger);
});
}
else
{
services.AddSingleton<IRabbitMQPersistentConnection>(sp =>
{
var logger = sp.GetRequiredService<ILogger<DefaultRabbitMQPersistentConnection>>();
var factory = new ConnectionFactory()
{
HostName = configuration["EventBusConnection"]
};
if (!string.IsNullOrEmpty(configuration["EventBusUserName"]))
{
factory.UserName = configuration["EventBusUserName"];
}
if (!string.IsNullOrEmpty(configuration["EventBusPassword"]))
{
factory.Password = configuration["EventBusPassword"];
}
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var retryCount = 5;
if (!string.IsNullOrEmpty(configuration["EventBusRetryCount"]))
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{
retryCount = int.Parse(configuration["EventBusRetryCount"]);
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}
return new DefaultRabbitMQPersistentConnection(factory, logger, retryCount);
});
}
return services;
}
public static IServiceCollection AddCustomConfiguration(this IServiceCollection services, IConfiguration configuration)
{
services.AddOptions();
services.Configure<OrderingSettings>(configuration);
services.Configure<ApiBehaviorOptions>(options =>
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{
options.InvalidModelStateResponseFactory = context =>
{
var problemDetails = new ValidationProblemDetails(context.ModelState)
{
Instance = context.HttpContext.Request.Path,
Status = StatusCodes.Status400BadRequest,
Detail = "Please refer to the errors property for additional details."
};
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return new BadRequestObjectResult(problemDetails)
{
ContentTypes = { "application/problem+json", "application/problem+xml" }
};
};
});
return services;
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}
public static IServiceCollection AddEventBus(this IServiceCollection services, IConfiguration configuration)
{
var subscriptionClientName = configuration["SubscriptionClientName"];
if (configuration.GetValue<bool>("AzureServiceBusEnabled"))
{
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services.AddSingleton<IEventBus, EventBusServiceBus>(sp =>
{
var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
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var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
return new EventBusServiceBus(serviceBusPersisterConnection, logger,
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eventBusSubcriptionsManager, subscriptionClientName, iLifetimeScope);
});
}
else
{
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services.AddSingleton<IEventBus, EventBusRabbitMQ>(sp =>
{
var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
var retryCount = 5;
if (!string.IsNullOrEmpty(configuration["EventBusRetryCount"]))
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{
retryCount = int.Parse(configuration["EventBusRetryCount"]);
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}
return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
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});
}
services.AddSingleton<IEventBusSubscriptionsManager, InMemoryEventBusSubscriptionsManager>();
return services;
}
public static IServiceCollection AddCustomAuthentication(this IServiceCollection services, IConfiguration configuration)
{
// prevent from mapping "sub" claim to nameidentifier.
JwtSecurityTokenHandler.DefaultInboundClaimTypeMap.Remove("sub");
var identityUrl = configuration.GetValue<string>("IdentityUrl");
services.AddAuthentication(options =>
{
options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
}).AddJwtBearer(options =>
{
options.Authority = identityUrl;
options.RequireHttpsMetadata = false;
options.Audience = "orders";
});
return services;
}
}
}