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IdentityBuilder.cs
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IdentityBuilder.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 System.Reflection;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Extensions.Identity.Core;
namespace Microsoft.AspNetCore.Identity
{
/// <summary>
/// Helper functions for configuring identity services.
/// </summary>
public class IdentityBuilder
{
/// <summary>
/// Creates a new instance of <see cref="IdentityBuilder"/>.
/// </summary>
/// <param name="user">The <see cref="Type"/> to use for the users.</param>
/// <param name="services">The <see cref="IServiceCollection"/> to attach to.</param>
public IdentityBuilder(Type user, IServiceCollection services)
{
UserType = user;
Services = services;
}
/// <summary>
/// Creates a new instance of <see cref="IdentityBuilder"/>.
/// </summary>
/// <param name="user">The <see cref="Type"/> to use for the users.</param>
/// <param name="role">The <see cref="Type"/> to use for the roles.</param>
/// <param name="services">The <see cref="IServiceCollection"/> to attach to.</param>
public IdentityBuilder(Type user, Type role, IServiceCollection services) : this(user, services)
=> RoleType = role;
/// <summary>
/// Gets the <see cref="Type"/> used for users.
/// </summary>
/// <value>
/// The <see cref="Type"/> used for users.
/// </value>
public Type UserType { get; private set; }
/// <summary>
/// Gets the <see cref="Type"/> used for roles.
/// </summary>
/// <value>
/// The <see cref="Type"/> used for roles.
/// </value>
public Type RoleType { get; private set; }
/// <summary>
/// Gets the <see cref="IServiceCollection"/> services are attached to.
/// </summary>
/// <value>
/// The <see cref="IServiceCollection"/> services are attached to.
/// </value>
public IServiceCollection Services { get; private set; }
private IdentityBuilder AddScoped(Type serviceType, Type concreteType)
{
Services.AddScoped(serviceType, concreteType);
return this;
}
/// <summary>
/// Adds an <see cref="IUserValidator{TUser}"/> for the <seealso cref="UserType"/>.
/// </summary>
/// <typeparam name="TValidator">The user validator type.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddUserValidator<TValidator>() where TValidator : class
=> AddScoped(typeof(IUserValidator<>).MakeGenericType(UserType), typeof(TValidator));
/// <summary>
/// Adds an <see cref="IUserClaimsPrincipalFactory{TUser}"/> for the <seealso cref="UserType"/>.
/// </summary>
/// <typeparam name="TFactory">The type of the claims principal factory.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddClaimsPrincipalFactory<TFactory>() where TFactory : class
=> AddScoped(typeof(IUserClaimsPrincipalFactory<>).MakeGenericType(UserType), typeof(TFactory));
/// <summary>
/// Adds an <see cref="IdentityErrorDescriber"/>.
/// </summary>
/// <typeparam name="TDescriber">The type of the error describer.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddErrorDescriber<TDescriber>() where TDescriber : IdentityErrorDescriber
{
Services.AddScoped<IdentityErrorDescriber, TDescriber>();
return this;
}
/// <summary>
/// Adds an <see cref="IPasswordValidator{TUser}"/> for the <seealso cref="UserType"/>.
/// </summary>
/// <typeparam name="TValidator">The validator type used to validate passwords.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddPasswordValidator<TValidator>() where TValidator : class
=> AddScoped(typeof(IPasswordValidator<>).MakeGenericType(UserType), typeof(TValidator));
/// <summary>
/// Adds an <see cref="IUserStore{TUser}"/> for the <seealso cref="UserType"/>.
/// </summary>
/// <typeparam name="TStore">The user store type.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddUserStore<TStore>() where TStore : class
=> AddScoped(typeof(IUserStore<>).MakeGenericType(UserType), typeof(TStore));
/// <summary>
/// Adds a token provider.
/// </summary>
/// <typeparam name="TProvider">The type of the token provider to add.</typeparam>
/// <param name="providerName">The name of the provider to add.</param>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddTokenProvider<TProvider>(string providerName) where TProvider : class
=> AddTokenProvider(providerName, typeof(TProvider));
/// <summary>
/// Adds a token provider for the <seealso cref="UserType"/>.
/// </summary>
/// <param name="providerName">The name of the provider to add.</param>
/// <param name="provider">The type of the <see cref="IUserTwoFactorTokenProvider{TUser}"/> to add.</param>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddTokenProvider(string providerName, Type provider)
{
if (!typeof(IUserTwoFactorTokenProvider<>).MakeGenericType(UserType).GetTypeInfo().IsAssignableFrom(provider.GetTypeInfo()))
{
throw new InvalidOperationException(Resources.FormatInvalidManagerType(provider.Name, "IUserTwoFactorTokenProvider", UserType.Name));
}
Services.Configure<IdentityOptions>(options =>
{
options.Tokens.ProviderMap[providerName] = new TokenProviderDescriptor(provider);
});
Services.AddTransient(provider);
return this;
}
/// <summary>
/// Adds a <see cref="UserManager{TUser}"/> for the <seealso cref="UserType"/>.
/// </summary>
/// <typeparam name="TUserManager">The type of the user manager to add.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddUserManager<TUserManager>() where TUserManager : class
{
var userManagerType = typeof(UserManager<>).MakeGenericType(UserType);
var customType = typeof(TUserManager);
if (!userManagerType.GetTypeInfo().IsAssignableFrom(customType.GetTypeInfo()))
{
throw new InvalidOperationException(Resources.FormatInvalidManagerType(customType.Name, "UserManager", UserType.Name));
}
if (userManagerType != customType)
{
Services.AddScoped(customType, services => services.GetRequiredService(userManagerType));
}
return AddScoped(userManagerType, customType);
}
/// <summary>
/// Adds Role related services for TRole, including IRoleStore, IRoleValidator, and RoleManager.
/// </summary>
/// <typeparam name="TRole">The role type.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddRoles<TRole>() where TRole : class
{
RoleType = typeof(TRole);
AddRoleValidator<RoleValidator<TRole>>();
Services.TryAddScoped<RoleManager<TRole>>();
Services.AddScoped(typeof(IUserClaimsPrincipalFactory<>).MakeGenericType(UserType), typeof(UserClaimsPrincipalFactory<,>).MakeGenericType(UserType, RoleType));
return this;
}
/// <summary>
/// Adds an <see cref="IRoleValidator{TRole}"/> for the <seealso cref="RoleType"/>.
/// </summary>
/// <typeparam name="TRole">The role validator type.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddRoleValidator<TRole>() where TRole : class
{
if (RoleType == null)
{
throw new InvalidOperationException(Resources.NoRoleType);
}
return AddScoped(typeof(IRoleValidator<>).MakeGenericType(RoleType), typeof(TRole));
}
/// <summary>
/// Adds an <see cref="ILookupProtector"/> and <see cref="ILookupProtectorKeyRing"/>.
/// </summary>
/// <typeparam name="TProtector">The personal data protector type.</typeparam>
/// <typeparam name="TKeyRing">The personal data protector key ring type.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddPersonalDataProtection<TProtector, TKeyRing>()
where TProtector : class,ILookupProtector
where TKeyRing : class, ILookupProtectorKeyRing
{
Services.AddSingleton<IPersonalDataProtector, DefaultPersonalDataProtector>();
Services.AddSingleton<ILookupProtector, TProtector>();
Services.AddSingleton<ILookupProtectorKeyRing, TKeyRing>();
return this;
}
/// <summary>
/// Adds a <see cref="IRoleStore{TRole}"/> for the <seealso cref="RoleType"/>.
/// </summary>
/// <typeparam name="TStore">The role store.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddRoleStore<TStore>() where TStore : class
{
if (RoleType == null)
{
throw new InvalidOperationException(Resources.NoRoleType);
}
return AddScoped(typeof(IRoleStore<>).MakeGenericType(RoleType), typeof(TStore));
}
/// <summary>
/// Adds a <see cref="RoleManager{TRole}"/> for the <seealso cref="RoleType"/>.
/// </summary>
/// <typeparam name="TRoleManager">The type of the role manager to add.</typeparam>
/// <returns>The current <see cref="IdentityBuilder"/> instance.</returns>
public virtual IdentityBuilder AddRoleManager<TRoleManager>() where TRoleManager : class
{
if (RoleType == null)
{
throw new InvalidOperationException(Resources.NoRoleType);
}
var managerType = typeof(RoleManager<>).MakeGenericType(RoleType);
var customType = typeof(TRoleManager);
if (!managerType.GetTypeInfo().IsAssignableFrom(customType.GetTypeInfo()))
{
throw new InvalidOperationException(Resources.FormatInvalidManagerType(customType.Name, "RoleManager", RoleType.Name));
}
if (managerType != customType)
{
Services.AddScoped(typeof(TRoleManager), services => services.GetRequiredService(managerType));
}
return AddScoped(managerType, typeof(TRoleManager));
}
}
}