/// <summary>
/// Processes an InfoRequestSynAck containing requested attributes and fires an event
/// </summary>
private async Task ProcessInfoRequestSynAck(string encryptedInfoRequestToken)
{
InfoRequestSynAck infoRequestSynAck = await base.DecryptAndInstantiateHandshakeToken <InfoRequestSynAck>(encryptedInfoRequestToken, _syn.Id);
if (infoRequestSynAck.PublicKey != _syn.PublicKey)
{
throw new TokenPublicKeyMismatch();
}
if (_tokenCryptoService.VerifySignature(infoRequestSynAck))
{
_infoRequestSynAck = infoRequestSynAck;
//this event is fired to display an activity showing the requested attributes
InfoRequestReceivedEvent e = new InfoRequestReceivedEvent()
{
InfoRequestSynAck = _infoRequestSynAck
};
InfoRequestReceived.Invoke(this, e);
}
else
{
throw new SignatureDoesntMatchException("The signature was not " +
"generated by the given " +
"public Key");
}
}
public override void Setup()
{
base.Setup();
//create some dummy attributes
Attribute firstname = new Attribute()
{
Location = "1",
Hash = "1",
Description = "firstname",
Content = new StringContent("Olivier")
};
Attribute lastname = new Attribute()
{
Location = "2",
Hash = "2",
Description = "lastname",
Content = new StringContent("Brochu Dufour")
};
Attribute[] AccessibleAttr = new Attribute[] { firstname, lastname };
string[] reqAttr = new string[] { "firstname", "lastname" };
IContent name = new StringContent("Olivier");
_payload.Add("name", JsonConvert.SerializeObject(name));
_token = new InfoRequestSynAck(_header, _payload)
{
Id = _id,
AccessibleAttributes = AccessibleAttr,
RequestedAttributes = reqAttr
};
}
protected override void GenerateAndSendSynAck(Ack ack)
{
InfoRequestSynAck infoRequestSynAck = new InfoRequestSynAck()
{
Id = _id,
PublicKey = _accountService.PublicKey,
Encrypted = true,
AccessibleAttributes = _accessibleAttributes,
RequestedAttributes = _requestedAttributes
};
byte[] requesterPubKey = Nethereum.Hex.HexConvertors.Extensions.HexByteConvertorExtensions.HexToByteArray(ack.PublicKey);
_tokenCryptoService.Sign(infoRequestSynAck, _accountService.GetPrivateKeyAsByteArray());
string encryptedToken = _tokenCryptoService.Encrypt(infoRequestSynAck, requesterPubKey, _accountService.GetPrivateKeyAsByteArray());
_session.Send(encryptedToken);
}
public override void Prepare(IReceiver parameter)
{
_receiver = parameter;
_infoRequestSynAck = parameter.InfoRequestSynAck;
_requestedAttributes = new List <string>(_infoRequestSynAck.RequestedAttributes);
}