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IdentityServiceCollectionExtensions.cs
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IdentityServiceCollectionExtensions.cs
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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using Microsoft.AspNet.Identity;
using Microsoft.Extensions.DependencyInjection.Extensions;
namespace Microsoft.Extensions.DependencyInjection
{
/// <summary>
/// Contains extension methods to <see cref="IServiceCollection"/> for configuring identity services.
/// </summary>
public static class IdentityServiceCollectionExtensions
{
/// <summary>
/// Adds the default identity system configuration for the specified User and Role types.
/// </summary>
/// <typeparam name="TUser">The type representing a User in the system.</typeparam>
/// <typeparam name="TRole">The type representing a Role in the system.</typeparam>
/// <param name="services">The services available in the application.</param>
/// <returns>An <see cref="IdentityBuilder"/> for creating and configuring the identity system.</returns>
public static IdentityBuilder AddIdentity<TUser, TRole>(
this IServiceCollection services)
where TUser : class
where TRole : class
{
return services.AddIdentity<TUser, TRole>(setupAction: null);
}
/// <summary>
/// Adds and configures the identity system for the specified User and Role types.
/// </summary>
/// <typeparam name="TUser">The type representing a User in the system.</typeparam>
/// <typeparam name="TRole">The type representing a Role in the system.</typeparam>
/// <param name="services">The services available in the application.</param>
/// <param name="setupAction">An action to configure the <see cref="IdentityOptions"/>.</param>
/// <returns>An <see cref="IdentityBuilder"/> for creating and configuring the identity system.</returns>
public static IdentityBuilder AddIdentity<TUser, TRole>(
this IServiceCollection services,
Action<IdentityOptions> setupAction)
where TUser : class
where TRole : class
{
// Services used by identity
services.AddOptions();
services.AddAuthentication(options =>
{
// This is the Default value for ExternalCookieAuthenticationScheme
options.SignInScheme = new IdentityCookieOptions().ExternalCookieAuthenticationScheme;
});
// Identity services
services.TryAddSingleton<IdentityMarkerService>();
services.TryAddScoped<IUserValidator<TUser>, UserValidator<TUser>>();
services.TryAddScoped<IPasswordValidator<TUser>, PasswordValidator<TUser>>();
services.TryAddScoped<IPasswordHasher<TUser>, PasswordHasher<TUser>>();
services.TryAddScoped<ILookupNormalizer, UpperInvariantLookupNormalizer>();
services.TryAddScoped<IRoleValidator<TRole>, RoleValidator<TRole>>();
// No interface for the error describer so we can add errors without rev'ing the interface
services.TryAddScoped<IdentityErrorDescriber>();
services.TryAddScoped<ISecurityStampValidator, SecurityStampValidator<TUser>>();
services.TryAddScoped<IUserClaimsPrincipalFactory<TUser>, UserClaimsPrincipalFactory<TUser, TRole>>();
services.TryAddScoped<UserManager<TUser>, UserManager<TUser>>();
services.TryAddScoped<SignInManager<TUser>, SignInManager<TUser>>();
services.TryAddScoped<RoleManager<TRole>, RoleManager<TRole>>();
if (setupAction != null)
{
services.Configure(setupAction);
}
return new IdentityBuilder(typeof(TUser), typeof(TRole), services);
}
}
}