我的解决方案是创建一个自定义角色提供程序。以下是我采取的步骤,以防其他人以后需要帮助:
创建自定义用户和角色类
using Microsoft.AspNet.Identity.EntityFramework;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace Security.Models.Security
{
public class AppRole : IdentityRole
{
}
}
和
using Microsoft.AspNet.Identity.EntityFramework;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace Security.Models.Security
{
public class AppUser : IdentityUser
{
}
}
设置数据库上下文
using Microsoft.AspNet.Identity.EntityFramework;
using Security.Models.Security;
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Web;
namespace Security.Models.DAL
{
public class UserContext : IdentityDbContext<AppUser>
{
public UserContext() : base("UserContext")
{
Database.SetInitializer<UserContext>(new CreateDatabaseIfNotExists<UserContext>());
}
}
}
创建您的角色提供程序并实现以下方法
using Security.Models.DAL;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Security;
namespace Security.Models.Security
{
public class AppRoleProvider : RoleProvider
{
public override string[] GetAllRoles()
{
using (var userContext = new UserContext())
{
return userContext.Roles.Select(r => r.Name).ToArray();
}
}
public override string[] GetRolesForUser(string username)
{
using (var userContext = new UserContext())
{
var user = userContext.Users.SingleOrDefault(u => u.UserName == username);
var userRoles = userContext.Roles.Select(r => r.Name);
if (user == null)
return new string[] { };
return user.Roles == null ? new string[] { } :
userRoles.ToArray();
}
}
public override bool IsUserInRole(string username, string roleName)
{
using (var userContext = new UserContext())
{
var user = userContext.Users.SingleOrDefault(u => u.UserName == username);
var userRoles = userContext.Roles.Select(r => r.Name);
if (user == null)
return false;
return user.Roles != null &&
userRoles.Any(r => r == roleName);
}
}
}
}
编辑web.config文件以设置数据库连接和角色提供程序引用
<connectionStrings>
<add name="UserContext" connectionString="Data Source=(LocalDb)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\UserContext.mdf;Initial Catalog=UserContext;Integrated Security=SSPI;" providerName="System.Data.SqlClient" />
</connectionStrings>
和
<system.web>
...
<authentication mode="Windows" />
<roleManager enabled="true" defaultProvider="AppRoleProvider">
<providers>
<clear/>
<add name="AppRoleProvider" type="Security.Models.Security.AppRoleProvider" connectionStringName = "UserContext"/>
</providers>
...
</roleManager>
</system.web>
在包管理器控制台中启用迁移
enable-migrations
在新创建的 Configurations.cs 中设置用户/角色存储和管理器,并配置用户管理器验证程序以接受 '\' 字符。
namespace Security.Migrations
{
using Microsoft.AspNet.Identity;
using Microsoft.AspNet.Identity.EntityFramework;
using Security.Models.Security;
using System;
using System.Data.Entity;
using System.Data.Entity.Migrations;
using System.Linq;
internal sealed class Configuration : DbMigrationsConfiguration<Security.Models.DAL.UserContext>
{
public Configuration()
{
AutomaticMigrationsEnabled = true;
ContextKey = "Security.Models.DAL.UserContext";
}
protected override void Seed(Security.Models.DAL.UserContext db)
{
var roleStore = new RoleStore<AppRole>(db);
var roleManager = new RoleManager<AppRole>(roleStore);
var userStore = new UserStore<AppUser>(db);
var userManager = new UserManager<AppUser>(userStore);
userManager.UserValidator = new UserValidator<AppUser>(userManager) { AllowOnlyAlphanumericUserNames = false };
if (!db.Roles.Any(r => r.Name == "Administrator"))
{
var role = new AppRole { Name = "Administrator" };
roleManager.Create(role);
}
if (!db.Users.Any(u => u.UserName == @"DOMAIN\admin"))
{
var user = new AppUser { UserName = @"DOMAIN\admin" };
userManager.Create(user);
userManager.AddToRole(user.Id, "Administrator");
}
}
}
}
在包管理器控制台中,请确保已创建和填充数据库。
update-database
创建自定义授权属性,在失败时重定向到拒绝访问页面
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
namespace Security.Models.Security
{
public class AccessDeniedAuthorizationAttribute : AuthorizeAttribute
{
public override void OnAuthorization(AuthorizationContext filterContext)
{
base.OnAuthorization(filterContext);
if(filterContext.Result is HttpUnauthorizedResult)
{
filterContext.Result = new RedirectResult("~/Home/AccessDenied");
}
}
}
}
完成了!现在您可以创建一个访问被拒绝的页面(在此例中为~/Home/AccessDenied),并将属性应用于任何操作,例如:using Security.Models.Security;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
namespace Security.Controllers
{
public class HomeController : Controller
{
...
[AccessDeniedAuthorizationAttribute(Roles = "Administrator")]
public ActionResult SecureArea()
{
return View();
}
public ActionResult AccessDenied()
{
return View();
}
...
}
}
希望这篇文章能够帮助未来的某个人。祝好运!