ASP.NET Core 2.0中的多个身份

问题描述 投票:9回答:2

我正在将ASP.NET Core 1.0应用程序迁移到ASP.NET Core 2.0。

在我的启动中,我正在配置两个身份:

services.AddIdentity<IdentityUser, IdentityRole>(configureIdentity)
   .AddDefaultTokenProviders()
   .AddUserStore<IdentityUserStore<IdentityUser>>()
   .AddRoleStore<IdentityRoleStore<IdentityRole>>();

services.AddIdentity<Customer, CustomerRole>(configureIdentity)
   .AddDefaultTokenProviders()
   .AddErrorDescriber<CustomerIdentityErrorDescriber>()
   .AddUserStore<CustomerStore<Customer>>()
   .AddRoleStore<CustomerRoleStore<CustomerRole>>();

这在ASP.NET Core 1.0中运行良好,但失败并出现错误:System.InvalidOperationException:'ASP.NET已存在:Identity.Application'在ASP.NET Core 2.0中。

在ASP.NET Core 2.0中,如果我删除对AddIdentity的一个调用,则错误消失。如何迁移我的代码,以便在我的应用程序中使用两种不同类型的身份用户和角色?或者,当我在ASP.NET Core 1.0中编写此内容时,我是否只是在理解事情如何工作方面犯了一个根本错误?

c# asp.net-core asp.net-core-identity
2个回答
14
投票

在浏览github上的ASP.NET Core源代码后,可以使用此扩展方法添加第二个标识:

using Microsoft.AspNetCore.Identity;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using System;
using System.Collections.Generic;
using System.Text;

namespace Whatever
{
    public static class IdentityExtensions
    {
        public static IdentityBuilder AddSecondIdentity<TUser, TRole>(
            this IServiceCollection services)
            where TUser : class
            where TRole : class
        {
            services.TryAddScoped<IUserValidator<TUser>, UserValidator<TUser>>();
            services.TryAddScoped<IPasswordValidator<TUser>, PasswordValidator<TUser>>();
            services.TryAddScoped<IPasswordHasher<TUser>, PasswordHasher<TUser>>();
            services.TryAddScoped<IRoleValidator<TRole>, RoleValidator<TRole>>();
            services.TryAddScoped<ISecurityStampValidator, SecurityStampValidator<TUser>>();
            services.TryAddScoped<IUserClaimsPrincipalFactory<TUser>, UserClaimsPrincipalFactory<TUser, TRole>>();
            services.TryAddScoped<UserManager<TUser>, AspNetUserManager<TUser>>();
            services.TryAddScoped<SignInManager<TUser>, SignInManager<TUser>>();
            services.TryAddScoped<RoleManager<TRole>, AspNetRoleManager<TRole>>();

            return new IdentityBuilder(typeof(TUser), typeof(TRole), services);
        }
    }
}

1
投票

非常感谢你的答案基思。这为我节省了很多时间!一个小的改进:我必须在我的情况下配置一些选项(IdentityOptions)。例如:密码复杂性规则。

因此,我包括注册Action setupAction。 (这与Microsoft在IdentityServiceCollectionExtension内的AddIdentity中执行此操作的方式相同)

public static class IdentityExtensions
{
    public static IdentityBuilder AddSecondIdentity<TUser, TRole>(
        this IServiceCollection services, Action<IdentityOptions> setupAction)
        where TUser : class
        where TRole : class
    {
        services.TryAddScoped<IUserValidator<TUser>, UserValidator<TUser>>();
        services.TryAddScoped<IPasswordValidator<TUser>, PasswordValidator<TUser>>();
        services.TryAddScoped<IPasswordHasher<TUser>, PasswordHasher<TUser>>();
        services.TryAddScoped<IRoleValidator<TRole>, RoleValidator<TRole>>();
        services.TryAddScoped<ISecurityStampValidator, SecurityStampValidator<TUser>>();
        services.TryAddScoped<IUserClaimsPrincipalFactory<TUser>, UserClaimsPrincipalFactory<TUser, TRole>>();
        services.TryAddScoped<UserManager<TUser>, AspNetUserManager<TUser>>();
        services.TryAddScoped<SignInManager<TUser>, SignInManager<TUser>>();
        services.TryAddScoped<RoleManager<TRole>, AspNetRoleManager<TRole>>();

        if (setupAction != null)
            services.Configure(setupAction);

        return new IdentityBuilder(typeof(TUser), typeof(TRole), services);
    }
}
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