public JwtSecurityToken VerifyToken(string inputToken)
{
if (string.IsNullOrWhiteSpace(inputToken))
{
throw new Exception("Token string can not be null.");
}
JwtSecurityTokenHandler handler = new JwtSecurityTokenHandler();
if (!handler.CanReadToken(inputToken))
{
return(null);
}
var tokenToVerify = handler.ReadJwtToken(inputToken);
var encHeader = tokenToVerify.Header.Base64UrlEncode();
var encPayload = tokenToVerify.Payload.Base64UrlEncode();
var sign = CryptoProvider.GenerateSHMACHash($"{encHeader}.{encPayload}");
if (tokenToVerify.RawSignature != sign)
{
return(null);
}
if (tokenToVerify.Payload.ValidTo < DateTime.Now)
{
return(null);
}
return(tokenToVerify);
}
public JwtSecurityToken GenerateToken(List <Claim> parametrs)
{
if (parametrs == null)
{
throw new Exception("Token payload can not be null");
}
var header = new JwtHeader();
var payload = new JwtPayload("CHNU", string.Empty, parametrs, DateTime.Now, DateTime.Now.AddDays(7));
header["alg"] = ALGORITHM;
var encHeader = header.Base64UrlEncode();
var encPayload = payload.Base64UrlEncode();
var token = new JwtSecurityToken(header, payload, encHeader, encPayload,
CryptoProvider.GenerateSHMACHash($"{encHeader}.{encPayload}"));
return(token);
}