public static string VerifyToken(string jwt, string publicKey)
{
try
{
var securityKey = LexEncryptionService.PublicKeyFromPem(publicKey);
var validationParameters = new TokenValidationParameters
{
NameClaimType = JwtRegisteredClaimNames.Sub,
ValidateAudience = false,
ValidateIssuer = false,
ValidateIssuerSigningKey = true,
ValidateLifetime = false,
RequireExpirationTime = false,
IssuerSigningKey = securityKey
};
SecurityToken validatedToken;
JwtSecurityTokenHandler handler = new JwtSecurityTokenHandler();
var principalClaim = handler.ValidateToken(jwt, validationParameters, out validatedToken);
var payload = handler.ReadJwtToken(jwt).Payload;
payload["pmd"] = JsonConvert.DeserializeObject <List <Metadata> >(payload["pmd"].ToString());
payload["lmd"] = JsonConvert.DeserializeObject <List <Metadata> >(payload["lmd"].ToString());
payload["umd"] = JsonConvert.DeserializeObject <List <Metadata> >(payload["umd"].ToString());
payload["amd"] = JsonConvert.DeserializeObject <List <Metadata> >(payload["amd"].ToString());
payload["lma"] = JsonConvert.DeserializeObject <List <LicenseMeterAttribute> >(payload["lma"].ToString());
payload["ama"] = JsonConvert.DeserializeObject <List <ActivationMeterAttribute> >(payload["ama"].ToString());
var payloadJson = JsonConvert.SerializeObject(payload);
return(payloadJson);
}
catch
{
return(null);
}
}
public static string GetFingerPrint()
{
// TODO
return(LexEncryptionService.Sha256("DummyFingerprint"));
}
public static string GetDataKey(string productId, string key)
{
return(LexEncryptionService.Sha256(productId + key));
}