c# – ASP.NET核心 – 自定义AspNetCore.Identity实现不起作用

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我正在构建一个完全自定义的AspNetCore.Identity实现,因为我希望TKey全面成为System.Guid.尊敬的我,我已经派出类型……

>角色：IdentityRole< Guid,UserRole,RoleClaim>
> RoleClaim：IdentityRoleClaim< Guid>
>用户：IdentityUser< Guid,UserClaim,UserRole,UserLogin>
> UserClaim：IdentityUserClaim< Guid>
> UserLogin：IdentityUserLogin< Guid>
> UserRole：IdentityUserRole< Guid>
> UserToken：IdentityUserToken< Guid>

> ApplicationDbContext：IdentityDbContext< User,Role,Guid,UserClaim,UserRole,UserLogin,RoleClaim,UserToken>

> ApplicationRoleManager：RoleManager< Role>
> ApplicationRoleStore：RoleStore< Role,ApplicationDbContext,Guid,UserRole,RoleClaim>
> ApplicationSignInManager：SignInManager< User>
> ApplicationUserManager：UserManager< User>
> ** ApplicationUserStore **：UserStore< User,Role,ApplicationDbContext,Guid,UserClaim,UserRole,UserLogin,UserToken>

ApplicationUserStore是问题孩子！

履行

namespace NewCo.Identity
{
    using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
    using System;

    public sealed class Role : IdentityRole<Guid, UserRole, RoleClaim>
    {
    }
}

namespace NewCo.Identity
{
    using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
    using System;

    public sealed class UserRole : IdentityUserRole<Guid>
    {
    }
}

namespace NewCo.Identity
{
    using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
    using System;

    public sealed class RoleClaim : IdentityRoleClaim<Guid>
    {
    }
}

// The problem is here...

namespace NewCo.Identity
{
    using Microsoft.AspNetCore.Identity;
    using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
    using System;
    using System.Security.Claims;

    public sealed class ApplicationUserStore : UserStore<User, Role, ApplicationDbContext, Guid, UserClaim, UserRole, UserLogin, UserToken>
    {
    }
}

错误

The type ‘NewCo.Identity.Role’ cannot be used as type parameter
‘TRole’ in the generic type or method ‘UserStore’. There
is no implicit reference conversion from ‘NewCo.Identity.Role’ to
‘Microsoft.AspNetCore.Identity.EntityFrameworkCore.IdentityRole>’.

据我所知,除非这是一些(co / contra / in)方差问题,否则所有代码都会检查出来……我出错了什么？

解决方法:

您的ApplicationUserStore也需要最终的RoleClaim(不要忘记更新相关的NuGet包,否则您不能使用这些新添加)：

    ApplicationUserStore : UserStore<
            User, Role, ApplicationDbContext, 
            Guid, UserClaim, UserRole, 
            UserLogin, UserToken, RoleClaim>

另外,您的ApplicationRoleStore应该提供如何创建RoleClaim,

protected override RoleClaim CreateRoleClaim(Role role, Claim claim)
{
    return new RoleClaim
    {
        RoleId = role.Id,
        ClaimType = claim.Type,
        ClaimValue = claim.Value
    };
}

此外,ApplicationUserStore也应该提供这些映射：

protected override UserClaim CreateUserClaim(User user, Claim claim)
{
    var userClaim = new UserClaim { UserId = user.Id };
    userClaim.InitializeFromClaim(claim);
    return userClaim;
}

protected override UserLogin CreateUserLogin(User user, UserLoginInfo login)
{
    return new UserLogin
    {
        UserId = user.Id,
        ProviderKey = login.ProviderKey,
        LoginProvider = login.LoginProvider,
        ProviderDisplayName = login.ProviderDisplayName
    };
}

protected override UserRole CreateUserRole(User user, Role role)
{
    return new UserRole
    {
        UserId = user.Id,
        RoleId = role.Id
    };
}

protected override UserToken CreateUserToken(User user, string loginProvider, string name, string value)
{
    return new UserToken
    {
        UserId = user.Id,
        LoginProvider = loginProvider,
        Name = name,
        Value = value
    };
}

然后将内置服务重定向到您的自定义服务：

services.AddScoped<UserStore<User, Role, ApplicationDbContext, int, UserClaim, UserRole, UserLogin, UserToken, RoleClaim>, ApplicationUserStore>();
services.AddScoped<UserManager<User>, ApplicationUserManager>();
services.AddScoped<RoleManager<Role>, ApplicationRoleManager>();
services.AddScoped<SignInManager<User>, ApplicationSignInManager>();
services.AddScoped<RoleStore<Role, ApplicationDbContext, int, UserRole, RoleClaim>, ApplicationRoleStore>();
services.AddScoped<IEmailSender, AuthMessageSender>();
services.AddScoped<ISmsSender, AuthMessageSender>();

现在介绍您的自定义服务：

services.AddIdentity<User, Role>(identityOptions =>
            {
             // ...
            }).AddUserStore<ApplicationUserStore>()
              .AddUserManager<ApplicationUserManager>()
              .AddRoleStore<ApplicationRoleStore>()
              .AddRoleManager<ApplicationRoleManager>()
              .AddSignInManager<ApplicationSignInManager>()
              // You **cannot** use .AddEntityFrameworkStores() when you customize everything
              //.AddEntityFrameworkStores<ApplicationDbContext, int>()
              .AddDefaultTokenProviders();

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