60 lines
2.0 KiB
C#
60 lines
2.0 KiB
C#
using Microsoft.IdentityModel.Tokens;
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using System;
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using System.Collections.Generic;
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using System.IdentityModel.Tokens.Jwt;
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using System.Linq;
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using System.Security.Claims;
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using System.Text;
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using System.Threading.Tasks;
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namespace LearningOfficer.OA.Common.Helpers
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{
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public class JwtHelper
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{
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/// <summary>
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/// 生成token
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/// </summary>
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/// <param name="uid"></param>
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/// <param name="secretKey"></param>
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/// <param name="issuer"></param>
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/// <param name="audience"></param>
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/// <param name="expires"></param>
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/// <param name="claims"></param>
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/// <returns></returns>
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public static string CreateToken(string uid, string secretKey, string issuer, string audience, double expires, List<Claim> claims = null)
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{
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if (claims.IsNullOrEmpty())
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claims = new();
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claims.AddRange(new List<Claim>
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{
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new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
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new Claim(ClaimTypes.NameIdentifier, uid),
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});
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// 2. 从 appsettings.json 中读取SecretKey
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var secret = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secretKey));
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// 3. 选择加密算法
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var algorithm = SecurityAlgorithms.HmacSha256;
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// 4. 生成Credentials
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var signingCredentials = new SigningCredentials(secret, algorithm);
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// 5. 根据以上，生成token
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var jwtSecurityToken = new JwtSecurityToken(
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issuer, //Issuer
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audience, //Audience
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claims, //Claims,
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DateTime.Now, //notBefore
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DateTime.Now.AddSeconds(expires), //expires
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signingCredentials //Credentials
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);
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// 6. 将token变为string
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var token = new JwtSecurityTokenHandler().WriteToken(jwtSecurityToken);
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return token;
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}
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}
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}
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