|
|
using System;
|
|
|
using System.Collections.Generic;
|
|
|
using System.IdentityModel.Tokens.Jwt;
|
|
|
using System.Linq;
|
|
|
using System.Security.Claims;
|
|
|
using System.Text;
|
|
|
using Admin.Core.Common;
|
|
|
using Microsoft.IdentityModel.Tokens;
|
|
|
|
|
|
namespace Admin.Core.Extensions
|
|
|
{
|
|
|
public class JwtHelper
|
|
|
{
|
|
|
|
|
|
/// <summary>
|
|
|
/// 颁发JWT字符串
|
|
|
/// </summary>
|
|
|
/// <param name="tokenModel"></param>
|
|
|
/// <returns></returns>
|
|
|
public static string IssueJwt(TokenModelJwt tokenModel)
|
|
|
{
|
|
|
string iss = Appsettings.app(new string[] { "Audience", "Issuer" });
|
|
|
string aud = Appsettings.app(new string[] { "Audience", "Audience" });
|
|
|
string secret = AppSecretConfig.Audience_Secret_String;
|
|
|
|
|
|
//var claims = new Claim[] //old
|
|
|
var claims = new List<Claim>
|
|
|
{
|
|
|
/*
|
|
|
* 特别重要:
|
|
|
1、这里将用户的部分信息,比如 uid 存到了Claim 中,如果你想知道如何在其他地方将这个 uid从 Token 中取出来,请看下边的SerializeJwt() 方法,或者在整个解决方案,搜索这个方法,看哪里使用了!
|
|
|
2、你也可以研究下 HttpContext.User.Claims ,具体的你可以看看 Policys/PermissionHandler.cs 类中是如何使用的。
|
|
|
*/
|
|
|
|
|
|
new Claim(JwtRegisteredClaimNames.Jti, tokenModel.Uid.ToString()),
|
|
|
new Claim(JwtRegisteredClaimNames.Iat, $"{new DateTimeOffset(DateTime.Now).ToUnixTimeSeconds()}"),
|
|
|
new Claim(JwtRegisteredClaimNames.Nbf,$"{new DateTimeOffset(DateTime.Now).ToUnixTimeSeconds()}") ,
|
|
|
//这个就是过期时间,目前是过期1000秒,可自定义,注意JWT有自己的缓冲过期时间
|
|
|
new Claim (JwtRegisteredClaimNames.Exp,$"{new DateTimeOffset(DateTime.Now.AddSeconds(1000)).ToUnixTimeSeconds()}"),
|
|
|
new Claim(ClaimTypes.Expiration, DateTime.Now.AddSeconds(1000).ToString()),
|
|
|
new Claim(JwtRegisteredClaimNames.Iss,iss),
|
|
|
new Claim(JwtRegisteredClaimNames.Aud,aud),
|
|
|
|
|
|
//new Claim(ClaimTypes.Role,tokenModel.Role),//为了解决一个用户多个角色(比如:Admin,System),用下边的方法
|
|
|
};
|
|
|
|
|
|
// 可以将一个用户的多个角色全部赋予;
|
|
|
// 作者:DX 提供技术支持;
|
|
|
claims.AddRange(tokenModel.Role.Split(',').Select(s => new Claim(ClaimTypes.Role, s)));
|
|
|
|
|
|
|
|
|
|
|
|
//秘钥 (SymmetricSecurityKey 对安全性的要求,密钥的长度太短会报出异常)
|
|
|
var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secret));
|
|
|
var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
|
|
|
|
|
|
var jwt = new JwtSecurityToken(
|
|
|
issuer: iss,
|
|
|
claims: claims,
|
|
|
signingCredentials: creds);
|
|
|
|
|
|
var jwtHandler = new JwtSecurityTokenHandler();
|
|
|
var encodedJwt = jwtHandler.WriteToken(jwt);
|
|
|
|
|
|
return encodedJwt;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 解析
|
|
|
/// </summary>
|
|
|
/// <param name="jwtStr"></param>
|
|
|
/// <returns></returns>
|
|
|
public static TokenModelJwt SerializeJwt(string jwtStr)
|
|
|
{
|
|
|
var jwtHandler = new JwtSecurityTokenHandler();
|
|
|
TokenModelJwt tokenModelJwt = new TokenModelJwt();
|
|
|
|
|
|
// token校验
|
|
|
if (jwtStr.IsNotEmptyOrNull() && jwtHandler.CanReadToken(jwtStr))
|
|
|
{
|
|
|
|
|
|
JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(jwtStr);
|
|
|
|
|
|
object role;
|
|
|
|
|
|
jwtToken.Payload.TryGetValue(ClaimTypes.Role, out role);
|
|
|
|
|
|
tokenModelJwt = new TokenModelJwt
|
|
|
{
|
|
|
Uid = (jwtToken.Id).ObjToInt(),
|
|
|
Role = role != null ? role.ObjToString() : "",
|
|
|
};
|
|
|
}
|
|
|
return tokenModelJwt;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 销毁
|
|
|
/// </summary>
|
|
|
/// <param name="jwtStr"></param>
|
|
|
/// <returns></returns>
|
|
|
public static bool Destroy(string jwtStr)
|
|
|
{
|
|
|
var jwtHandler = new JwtSecurityTokenHandler();
|
|
|
TokenModelJwt tokenModelJwt = new TokenModelJwt();
|
|
|
|
|
|
// token校验
|
|
|
if (jwtStr.IsNotEmptyOrNull() && jwtHandler.CanReadToken(jwtStr))
|
|
|
{
|
|
|
JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(jwtStr);
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 令牌
|
|
|
/// </summary>
|
|
|
public class TokenModelJwt
|
|
|
{
|
|
|
/// <summary>
|
|
|
/// Id
|
|
|
/// </summary>
|
|
|
public long Uid { get; set; }
|
|
|
/// <summary>
|
|
|
/// 登录名
|
|
|
/// </summary>
|
|
|
public string LoginName { get; set; }
|
|
|
/// <summary>
|
|
|
/// 角色
|
|
|
/// </summary>
|
|
|
public string Role { get; set; }
|
|
|
/// <summary>
|
|
|
/// 职能
|
|
|
/// </summary>
|
|
|
public string Work { get; set; }
|
|
|
|
|
|
}
|
|
|
}
|