YardBookSolution/yardbookapi-service/DS.Module.Core/Utils/JwtHelper.cs

using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using System.Text;
using Microsoft.IdentityModel.Tokens;

namespace DS.Module.Core;

public class JwtHelper
{
    /// <summary>
    /// 生成JWT字符串
    /// </summary>
    /// <param name="Jti"></param>
    /// <returns></returns>
    public static string GetJWT(string Jti)
    {
        DateTime utc = DateTime.UtcNow;
        string iss = AppSetting.Configuration["JwtSettings:Issuer"];
        string aud = AppSetting.Configuration["JwtSettings:Audience"];
        string secret = AppSetting.Configuration["JwtSettings:SecretKey"];
        var claims = new List<Claim>
        {
            new Claim(JwtRegisteredClaimNames.Jti, Jti),
            // 令牌颁发时间
            new Claim(JwtRegisteredClaimNames.Iat, $"{new DateTimeOffset(DateTime.Now).ToUnixTimeSeconds()}"),
            new Claim(JwtRegisteredClaimNames.Nbf, $"{new DateTimeOffset(DateTime.Now).ToUnixTimeSeconds()}"),
            // 过期时间 2小时
            new Claim(JwtRegisteredClaimNames.Exp,
                $"{new DateTimeOffset(DateTime.Now).AddMinutes(120).ToUnixTimeSeconds()}"),
            new Claim(JwtRegisteredClaimNames.Iss, iss), // 签发者
            new Claim(JwtRegisteredClaimNames.Aud, aud) // 接收者
        };

        // 密钥
        var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secret));
        var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
        var tokenHandler = new JwtSecurityTokenHandler();
        JwtSecurityToken jwt = new JwtSecurityToken(
            issuer: iss,
            claims: claims, // 声明的集合
            //expires: .AddSeconds(36), // token的有效时间
            signingCredentials: creds
        );
        var handler = new JwtSecurityTokenHandler();
        // 生成 jwt字符串
        var strJWT = handler.WriteToken(jwt);
        return strJWT;
    }
}