Azure Mobile Services – Configuring The OWIN Pipeline

owin-app-builder-extension-register.cs

public static class WebApiConfig
{
	public static void Register()
	{
		var options = new ConfigOptions();
		// Create ConfigBuilder with another constructor 
		var builder = new ConfigBuilder(options, ConfigureDependencies);
 
		var config = ServiceConfig.Initialize(builder);
		
		Database.SetInitializer(new MobileServiceInitializer());
	}
 
	private static void ConfigureDependencies(HttpConfiguration configuration, ContainerBuilder builder)
	{
		// Configure DI here
 
		// Register our extensions
		builder.RegisterType<MyOwinAppBuilderExtension>().As<IOwinAppBuilderExtension>();
		builder.RegisterType<MyOwinAppBuilderExtension2>().As<IOwinAppBuilderExtension>();
	}
}

owin-app-builder-extension.cs

public class MyOwinAppBuilderExtension : IOwinAppBuilderExtension
{
	public void Configure(Owin.IAppBuilder appBuilder)
	{
		appBuilder.UseMyAwesomeMiddleware();
	}
}

owin-app-builder-initialize.cs

public static class WebApiConfig
{
	public static void Register()
	{
		var options = new ConfigOptions();
		var config = ServiceConfig.Initialize(new ConfigBuilder(options));
 
		// Make sure this is after ServiceConfig.Initialize
		// Otherwise ServiceConfig.Initialize will overwrite your changes
		Microsoft.WindowsAzure.Mobile.Service.Config.StartupOwinAppBuilder.Initialize(appBuilder =>
		{
			//Configure OWIN here
			appBuilder.UseFacebookAuthentication("", "");
		});
 
		Database.SetInitializer(new MobileServiceInitializer());
	}
}

owin-app-builder-register.cs

public static class WebApiConfig
{
	public static void Register()
	{
		var options = new ConfigOptions();
		// Create ConfigBuilder with another constructor 
		var builder = new ConfigBuilder(options, ConfigureDependencies);
 
		var config = ServiceConfig.Initialize(builder);
		
		Database.SetInitializer(new MobileServiceInitializer());
	}
	
	private static void ConfigureDependencies(HttpConfiguration configuration, ContainerBuilder builder)
	{
		// Configure DI here
 
		// Register our custom builder
		var instance = new MyCustomOwinAppBuilder(configuration);
		builder.RegisterInstance(instance).As<IOwinAppBuilder>();
	}
}

owin-app-builder.cs

public class MyCustomOwinAppBuilder : OwinAppBuilder
{
	public MyCustomOwinAppBuilder(HttpConfiguration config)
		: base(config)
	{
	}
 
	public override void Configuration(IAppBuilder appBuilder)
	{
		// Default configuration
		base.Configuration(appBuilder);
 
		// Custom configuration
		appBuilder.UseMyAwesomeMiddleware();
	}
}

owin-assembly-info.cs

[assembly: OwinStartup(typeof(StartupOwinAppBuilder))]