| private static Base64UrlDecode ( string input ) : byte[] | ||
| input | string | |
| return | byte[] | |
private void Validate(string payload, string payloadJson, string[] parts, byte[] key)
{
var crypto = JsonWebToken.Base64UrlDecode(parts[2]);
var decodedCrypto = Convert.ToBase64String(crypto);
var header = parts[0];
var headerJson = Encoding.UTF8.GetString(JsonWebToken.Base64UrlDecode(header));
var headerData = _jsonSerializer.Deserialize <Dictionary <string, object> >(headerJson);
var bytesToSign = Encoding.UTF8.GetBytes(string.Concat(header, ".", payload));
var algName = (string)headerData["alg"];
var alg = _algFactory.Create(algName);
var signatureData = alg.Sign(key, bytesToSign);
var decodedSignature = Convert.ToBase64String(signatureData);
_jwtValidator.Validate(payloadJson, decodedCrypto, decodedSignature);
}
/// <inheritdoc />
public string Decode(string token, byte[] key, bool verify)
{
var parts = token.Split('.');
if (parts.Length != 3)
{
throw new ArgumentException("Token must consist from 3 delimited by dot parts");
}
var payload = parts[1];
var payloadJson = Encoding.UTF8.GetString(JsonWebToken.Base64UrlDecode(payload));
if (verify)
{
Validate(payload, payloadJson, parts, key);
}
return(payloadJson);
}