55 lines
1.8 KiB
C#
55 lines
1.8 KiB
C#
using Masuit.Tools;
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using Microsoft.Extensions.Configuration;
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using Microsoft.IdentityModel.Tokens;
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using System.IdentityModel.Tokens.Jwt;
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using System.Security.Claims;
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using System.Text;
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namespace AI.Common.Helpers
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{
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public class JwtHelper
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{
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private readonly IConfiguration _configuration;
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public JwtHelper(IConfiguration configuration)
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{
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_configuration = configuration;
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}
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public string CreateToken(string uid, 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 secretKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_configuration["Jwt: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(secretKey, 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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_configuration["Jwt:Issuer"], //Issuer
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_configuration["Jwt:Audience"], //Audience
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claims, //Claims,
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DateTime.Now, //notBefore
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DateTime.Now.AddSeconds(_configuration["Jwt:Expires"].ToDouble()), //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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