/// <summary>
/// 颁发Jwt字符串
/// </summary>
/// <param name="tokenModle"></param>
/// <returns></returns>
public static string IssueJwtStr(JwtTokenModel tokenModle)
{
if (ConfigHelper.IsExistNode("JwtSetting"))
{
var issure = ConfigHelper.GetDefaultJsonValue("JwtSetting:Issure");
var audience = ConfigHelper.GetDefaultJsonValue("JwtSetting:Audience");
//秘钥要足够的长
var secret = ConfigHelper.GetDefaultJsonValue("JwtSetting:Secret");
var claims = new List <Claim>()
{
new Claim(JwtRegisteredClaimNames.Iss, issure), //签发人
new Claim(JwtRegisteredClaimNames.Aud, audience), //受众
new Claim(JwtRegisteredClaimNames.Jti, tokenModle.UserId.ToString()), //编号
new Claim(JwtRegisteredClaimNames.Iat, $"{new DateTimeOffset(DateTime.Now).ToUnixTimeMilliseconds()}"), //Jwt的颁发时间,采用标准的unix时间,用于验证过期
new Claim(JwtRegisteredClaimNames.Nbf, $"{new DateTimeOffset(DateTime.Now).ToUnixTimeMilliseconds()}"), //生效时间
new Claim(JwtRegisteredClaimNames.Exp, $"{new DateTimeOffset(DateTime.Now.AddSeconds(1000)).ToUnixTimeSeconds()}"), //过期时间
};
claims.AddRange(tokenModle.Role.Split(',').Select(v => new Claim(ClaimTypes.Role, v)));
//秘钥 (SymmetricSecurityKey 对安全性的要求，密钥的长度太短会报出异常,至少16位)
var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secret));
//数字签名
var signature = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
var jwt = new JwtSecurityToken(issuer: issure, claims: claims, signingCredentials: signature);
var jwtHandler = new JwtSecurityTokenHandler();
var jwtStr = jwtHandler.WriteToken(jwt);
return(jwtStr);
}
return(string.Empty);
}
/// <summary>
/// 解析Jwttoken信息
/// </summary>
/// <param name="jwtStr">token信息</param>
/// <returns></returns>
public static JwtTokenModel SerializeJwt(string jwtStr)
{
var jwtHandler = new JwtSecurityTokenHandler();
JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(jwtStr);
object role;
try
{
jwtToken.Payload.TryGetValue(ClaimTypes.Role, out role);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
var entity = new JwtTokenModel
{
UserId = int.Parse(jwtToken.Id),
Role = role?.ToString() ?? string.Empty,
};
return(entity);
}
