/// <summary>
/// 颁发JWT字符串
/// </summary>
/// <param name="tokenModel"></param>
/// <returns></returns>
public static string IssueJwt(TokenModelJwt tokenModel)
{
string iss = Startup.Configuration["Audience:Issuer"];
string aud = Startup.Configuration["Audience:Audience"];
string secret = Startup.Configuration["Audience:Secret"];
//string iss = "BaseFramwork";
//string aud = "BaseFramwork";
//string secret = "This is JWT Secret Key";
//var claims = new Claim[] //old
var claims = new List <Claim>
{
//下边为Claim的默认配置
new Claim(JwtRegisteredClaimNames.Jti, tokenModel.Uid.ToString()),
new Claim(JwtRegisteredClaimNames.Iat, $"{new DateTimeOffset(DateTime.Now).ToUnixTimeSeconds()}"),
new Claim(JwtRegisteredClaimNames.Nbf, $"{new DateTimeOffset(DateTime.Now).ToUnixTimeSeconds()}"),
//这个就是过期时间，目前是过期100秒，可自定义，注意JWT有自己的缓冲过期时间
new Claim(JwtRegisteredClaimNames.Exp, $"{new DateTimeOffset(DateTime.Now.AddSeconds(100000)).ToUnixTimeSeconds()}"),
new Claim(JwtRegisteredClaimNames.Iss, iss),
new Claim(JwtRegisteredClaimNames.Aud, aud),
new Claim("Role", tokenModel.Role),
//new Claim(ClaimTypes.Role,tokenModel.Role),//为了解决一个用户多个角色(比如：Admin,System)，用下边的方法
};
// 可以将一个用户的多个角色全部赋予；
// 作者：DX 提供技术支持；
claims.AddRange(tokenModel.Role.Split(',').Select(s => new Claim(ClaimTypes.Role, s)));
//秘钥 (SymmetricSecurityKey 对安全性的要求，密钥的长度太短会报出异常)
var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secret));
var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
var jwt = new JwtSecurityToken(
issuer: iss,
claims: claims,
signingCredentials: creds);
var jwtHandler = new JwtSecurityTokenHandler();
var encodedJwt = jwtHandler.WriteToken(jwt);
return(encodedJwt);
}
/// <summary>
/// 解析
/// </summary>
/// <param name="jwtStr"></param>
/// <returns></returns>
public static TokenModelJwt 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 tm = new TokenModelJwt
{
Uid = (jwtToken.Id).ObjToInt(),
Role = role != null?role.ObjToString() : "",
};
return(tm);
}
