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上篇文章给大家介绍了asp.net5中用户认证与授权(1),基础建立好了,紧接着就要创建对基础类进行操作的类,也就是实现基础类的增删改查当然,为了使用asp.net5的认证机制,这些都是通过特定的接口来实现的。

比如,对于角色来说,角色管理要实现的接口如下:

   public interface IQueryableRoleStore<TRole> : IRoleStore<TRole>, IDisposable where TRole : class
   {
     IQueryable<TRole> Roles { get; }
   }
   public interface IRoleStore<TRole> : IDisposable where TRole : class
   {
     Task<IdentityResult> CreateAsync(TRole role, CancellationToken cancellationToken);
     Task<IdentityResult> DeleteAsync(TRole role, CancellationToken cancellationToken);
     Task<TRole> FindByIdAsync(string roleId, CancellationToken cancellationToken);
     Task<TRole> FindByNameAsync(string normalizedRoleName, CancellationToken cancellationToken);
     Task<string> GetNormalizedRoleNameAsync(TRole role, CancellationToken cancellationToken);
     Task<string> GetRoleIdAsync(TRole role, CancellationToken cancellationToken);
     Task<string> GetRoleNameAsync(TRole role, CancellationToken cancellationToken);
     Task SetNormalizedRoleNameAsync(TRole role, string normalizedName, CancellationToken cancellationToken);
     Task SetRoleNameAsync(TRole role, string roleName, CancellationToken cancellationToken);
    Task<IdentityResult> UpdateAsync(TRole role, CancellationToken cancellationToken);
   }

其实,也没什么复杂,一个是获得所有预定义角色的列表,另一个是关于角色的增删改查而已,代码如下:

 public class HDRoleStore<TRole> : IQueryableRoleStore<TRole>
      where TRole : HDRole, new()
    {
      /// <summary>
      /// 存储所有预定义的角色
      /// </summary>
      private readonly Dictionary<string, TRole> _roles = new Dictionary<string, TRole>();
      /// <summary>
     /// 所有角色
     /// </summary>
     public IQueryable<TRole> Roles
     {
       get
       {
         if (_roles.Count == )
         {
           TRole role = new TRole();
           role.Id = "admin";
           role.Name = "管理员";
           _roles.Add(role.Id, role);
           role = new TRole();
           role.Id = "user";
           role.Name = "用户";
           _roles.Add(role.Id, role);
           role = new TRole();
           role.Id = "power";
           role.Name = "大虾";
           _roles.Add(role.Id, role);
         }
         return _roles.Values.AsQueryable();
       }
     }
     public Task<IdentityResult> CreateAsync(TRole role, CancellationToken cancellationToken)
     {
       _roles[role.Id] = role;
       return Task.FromResult(IdentityResult.Success);
     }
     public Task<IdentityResult> DeleteAsync(TRole role, CancellationToken cancellationToken)
     {
       if (role == null || !_roles.ContainsKey(role.Id))
       {
         throw new InvalidOperationException("Unknown role");
       }
       _roles.Remove(role.Id);
       return Task.FromResult(IdentityResult.Success);
     }
     public void Dispose()
     {
     }
     public Task<TRole> FindByIdAsync(string roleId, CancellationToken cancellationToken)
     {
       if (_roles.ContainsKey(roleId))
       {
         return Task.FromResult(_roles[roleId]);
       }
       return Task.FromResult<TRole>(null);
     }
     public Task<TRole> FindByNameAsync(string normalizedRoleName, CancellationToken cancellationToken)
     {
       return
          Task.FromResult(
            Roles.SingleOrDefault(r => String.Equals(r.Name, normalizedRoleName, StringComparison.OrdinalIgnoreCase)));
     }
     public Task<string> GetNormalizedRoleNameAsync(TRole role, CancellationToken cancellationToken)
     {
       return Task.FromResult(role.Name);
     }
     public Task<string> GetRoleIdAsync(TRole role, CancellationToken cancellationToken)
     {
       return Task.FromResult(role.Id);
     }
     public Task<string> GetRoleNameAsync(TRole role, CancellationToken cancellationToken)
     {
       return Task.FromResult(role.Name);
     }
     public Task SetNormalizedRoleNameAsync(TRole role, string normalizedName, CancellationToken cancellationToken)
     {
       role.Name = normalizedName;
       return Task.FromResult();
     }
     public Task SetRoleNameAsync(TRole role, string roleName, CancellationToken cancellationToken)
     {
       role.Name = roleName;
       return Task.FromResult();
     }
     public Task<IdentityResult> UpdateAsync(TRole role, CancellationToken cancellationToken)
     {
       _roles[role.Id] = role;
       return Task.FromResult(IdentityResult.Success);
     }
   }

可以看到,在第12行,我们的方法里直接写死了角色列表,如果相结合具体的项目的话,我相信叶良辰有一百种方法从各种数据库、配置文件等取得角色列表,而其他程序代码却基本不用更改。

当然,asp.net5自带的默认实现实现了很多其他接口,这里为了最简单起见,只实现了最基本的。

以上就是给大家介绍的asp.net5中用户认证与授权(2),希望大家喜欢。后续还会持续更新,请大家持续关注本站。

标签:
asp.net5.0,用户认证,授权

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