127 lines
4.4 KiB
C#
127 lines
4.4 KiB
C#
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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using Newtonsoft.Json.Linq;
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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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using MyCode.Project.Infrastructure.Exceptions;
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namespace MyCode.Project.Infrastructure.Common
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{
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public class TokenHelper
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{
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#region CreateToken(创建token)
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public static string CreateToken(string key, string objName, object t, int expireMinute = 300)
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{
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var payload = new Dictionary<string, object>
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{
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{ "exp", DateTimeOffset.UtcNow.AddMinutes(expireMinute).ToUnixTimeSeconds() },
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{ objName,t}
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};
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//采用HS256加密算法
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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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return encoder.Encode(payload, key);
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}
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#endregion
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#region Get(根据token得到登录信息)
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public static object Get(string token, string tokenKey, string jsonKey)
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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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IBase64UrlEncoder urlEncoder = new JwtBase64UrlEncoder();
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IDateTimeProvider provider = new UtcDateTimeProvider();
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IJwtValidator validator = new JwtValidator(serializer, provider);
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IJwtDecoder decoder = new JwtDecoder(serializer, validator, urlEncoder);
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string json = decoder.Decode(token, tokenKey, verify: true);
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var dic = decoder.DecodeToObject<Dictionary<string, object>>(token);
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return dic[jsonKey];
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}
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catch (TokenExpiredException ex)
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{
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throw new BaseException("请重新登录，token已失效");
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}
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catch (SignatureVerificationException ex)
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{
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throw new BaseException("请重新登录，签名错误");
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}
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}
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#endregion
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#region Get(根据token得到登录信息)
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public static object GetString(string token, string tokenKey, string jsonKey)
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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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IBase64UrlEncoder urlEncoder = new JwtBase64UrlEncoder();
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IDateTimeProvider provider = new UtcDateTimeProvider();
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IJwtValidator validator = new JwtValidator(serializer, provider);
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IJwtDecoder decoder = new JwtDecoder(serializer, validator, urlEncoder);
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string json = decoder.Decode(token, tokenKey, verify: false);
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var dic = decoder.DecodeToObject<Dictionary<string, object>>(token);
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return dic[jsonKey];
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}
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catch (TokenExpiredException ex)
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{
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throw new BaseException("请重新登录，token已失效");
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}
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catch (SignatureVerificationException ex)
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{
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throw new BaseException("请重新登录，签名错误");
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}
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}
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#endregion
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public static string GetJwtString(string token)
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{
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if (string.IsNullOrWhiteSpace(token))
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return "";
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//string token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36Po1Qh";
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string[] parts = token.Split('.');
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string headerJson = DecodeBase64(parts[0]);
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string payloadJson = DecodeBase64(parts[1]);
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var payload = JsonConvert.DeserializeObject<Dictionary<string, object>>(payloadJson);
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if (payload["login"] != null)
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{
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var json = payload["login"].ToString();
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return json;
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}
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else
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{
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return "";
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}
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}
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private static string DecodeBase64(string str)
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{
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str = str.Replace('-', '+').Replace('_', '/');
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while (str.Length % 4 != 0)
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{
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str += '=';
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}
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var bytes = Convert.FromBase64String(str);
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return Encoding.UTF8.GetString(bytes);
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}
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}
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}
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