96 lines
3.3 KiB
C#
96 lines
3.3 KiB
C#
using ArchivesSystem.Dto.Authorizations;
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using JWT;
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using JWT.Algorithms;
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using JWT.Exceptions;
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using JWT.Serializers;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace EShang.Common
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{
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public class JwtHelper
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{
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//私钥 web.config中配置
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//yhswArchives 采用md5加密大写;
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private static string secret = "07A8DC7AD56AE9C8E3598ECADFB023FF";
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/// <summary>
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/// 生成JwtToken
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/// </summary>
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/// <param name="payload">不敏感的用户数据</param>
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/// <returns></returns>
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public static string BuildJwtToken(string userNo,string userName)
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{
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//格式如下
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IDateTimeProvider provider = new UtcDateTimeProvider();
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var now = provider.GetNow();
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var unixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
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//过期时间
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var secondsSinceEpoch = Math.Round((now - unixEpoch).TotalSeconds);
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var payload = new Dictionary<string, object>
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{
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{ "exp", secondsSinceEpoch+3600 }, //3600秒后过期
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{ "userNo",userNo },
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{ "userName",userName },
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{ "AddTokenTime",DateTime.Now }
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};
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IJwtAlgorithm algorithm = new HMACSHA256Algorithm();
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IJsonSerializer serializer = new JsonNetSerializer();
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IBase64UrlEncoder urlEncoder = new JwtBase64UrlEncoder();
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IJwtEncoder encoder = new JwtEncoder(algorithm, serializer, urlEncoder);
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var token = encoder.Encode(payload, secret);
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return token;
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}
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/// <summary>
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/// 根据jwtToken 获取实体
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/// </summary>
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/// <param name="token">jwtToken</param>
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/// <returns></returns>
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public static JwtTokenDto SerializeJwt(string token)
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{
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try
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{
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IJsonSerializer serializer = new JsonNetSerializer();
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IDateTimeProvider provider = new UtcDateTimeProvider();
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IJwtValidator validator = new JwtValidator(serializer, provider);
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IBase64UrlEncoder urlEncoder = new JwtBase64UrlEncoder();
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var algorithm = new HMACSHA256Algorithm();
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IJwtDecoder decoder = new JwtDecoder(serializer, validator, urlEncoder, algorithm);
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//token为之前生成的字符串
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var userInfo = decoder.DecodeToObject(token, secret, verify: true);
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//此处json为IDictionary<string, object> 类型
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string userNo = userInfo["userNo"].ToString(); //可获取当前用户工号
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string userName = userInfo["userName"].ToString(); //可获取当前用户名称
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var tm = new JwtTokenDto
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{
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UserNo = userNo,
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UserName = userName
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};
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return tm;
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}
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catch (TokenExpiredException)
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{
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throw new Exception("Token has expired");
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}
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catch (SignatureVerificationException)
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{
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throw new Exception("Token has invalid signature");
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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}
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}
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