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：
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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);
}
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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：
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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);
}
}
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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。
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