72 lines
2.7 KiB
C#
72 lines
2.7 KiB
C#
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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.Web;
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using JWT;
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using JWT.Algorithms;
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using JWT.Serializers;
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using Newtonsoft.Json;
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namespace Services.Tool
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{
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/// <summary>
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/// Token辅助类
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/// 需要引用jwt包
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/// </summary>
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public class TokenHelper
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{
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//私钥
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static string Private_key = "CWLCJLWQZYY";
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//创建一个世界协调时间提供对象 utc时间协调时间
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static IDateTimeProvider provider = new UtcDateTimeProvider();
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//时间戳起点时间
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static DateTime timeEpoch = new DateTime(1970,1,1,0,0,0,DateTimeKind.Utc);
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//序列化对象
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static IJsonSerializer serializer = new JsonNetSerializer();
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//编码序列化对象
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static IBase64UrlEncoder encoder = new JwtBase64UrlEncoder();
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//编码算法
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static IJwtAlgorithm algorithm = new HMACSHA384Algorithm();
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//jwt编码
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static JwtEncoder jwtEncoder= new JwtEncoder(algorithm,serializer,encoder);
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//验证对象
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static IJwtValidator validator = new JwtValidator(serializer,provider);
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//jwt解码
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static JwtDecoder decoder = new JwtDecoder(serializer, validator, encoder, algorithm);
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/// <summary>
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/// 加密的数据键值对传入
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/// </summary>
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/// <param name="keys"></param>
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/// <returns></returns>
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public static string GetToken(Dictionary<string,object> keys,float day)
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{
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//荷载，负载,最重要的信息,token中保存的信息 keys
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var now = provider.GetNow();
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//获取当前时间距离时间戳的差秒
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var epochSecons = Math.Round((now-timeEpoch).TotalSeconds);
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keys.Add("exp",(epochSecons+3600)*24*day);//设置过期时间
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//jwt同一加密
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var token = jwtEncoder.Encode(keys,Private_key);
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return token;
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}
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public static string CheckToken(string token)
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{
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try
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{
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//解码 tonken 私钥 验证是否过期
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//过期时间验证 系统默认起始时间为1970,1,1,0,0,0 如果验证过期需要保证起始时间一致
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//要么手动验证过期,现在时间与起始时间的差值如果大于设置exp则过期
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return JsonConvert.DeserializeObject<Datainfo>(decoder.Decode(token, Private_key,verify: true)).data.ToString();//str数据转成Dictionary<string,object>类型即可
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}
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catch (Exception)
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{
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return null;
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}
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}
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public class Datainfo {
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public dynamic data { get; set; }
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public dynamic exp { get; set; }
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}
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}
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}
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