void HandleAuthContinuedSessionCallback(AuthContinuedSession authSession, SQLResult result)
{
if (result.IsEmpty())
{
SendAuthResponseError(BattlenetRpcErrorCode.Denied);
CloseSocket();
return;
}
ConnectToKey key = new ConnectToKey();
_key = key.Raw = authSession.Key;
uint accountId = key.AccountId;
string login = result.Read <string>(0);
_sessionKey = result.Read <string>(1).ToByteArray();
HmacSha256 hmac = new HmacSha256(_sessionKey);
hmac.Process(BitConverter.GetBytes(authSession.Key), 8);
hmac.Process(authSession.LocalChallenge, authSession.LocalChallenge.Length);
hmac.Process(_serverChallenge, 16);
hmac.Finish(ContinuedSessionSeed, 16);
if (!hmac.Digest.Compare(authSession.Digest))
{
Log.outError(LogFilter.Network, "WorldSocket.HandleAuthContinuedSession: Authentication failed for account: {0} ('{1}') address: {2}", accountId, login, GetRemoteIpAddress());
CloseSocket();
return;
}
SendPacket(new EnableEncryption());
}
void HandleAuthContinuedSessionCallback(AuthContinuedSession authSession, SQLResult result)
{
if (result.IsEmpty())
{
SendAuthResponseError(BattlenetRpcErrorCode.Denied);
CloseSocket();
return;
}
ConnectToKey key = new ConnectToKey();
_key = key.Raw = authSession.Key;
uint accountId = key.AccountId;
string login = result.Read <string>(0);
_sessionKey = result.Read <byte[]>(1);
HmacSha256 hmac = new HmacSha256(_sessionKey);
hmac.Process(BitConverter.GetBytes(authSession.Key), 8);
hmac.Process(authSession.LocalChallenge, authSession.LocalChallenge.Length);
hmac.Process(_serverChallenge, 16);
hmac.Finish(ContinuedSessionSeed, 16);
if (!hmac.Digest.Compare(authSession.Digest))
{
Log.outError(LogFilter.Network, "WorldSocket.HandleAuthContinuedSession: Authentication failed for account: {0} ('{1}') address: {2}", accountId, login, GetRemoteIpAddress());
CloseSocket();
return;
}
HmacSha256 encryptKeyGen = new HmacSha256(_sessionKey);
encryptKeyGen.Process(authSession.LocalChallenge, authSession.LocalChallenge.Length);
encryptKeyGen.Process(_serverChallenge, 16);
encryptKeyGen.Finish(EncryptionKeySeed, 16);
// only first 16 bytes of the hmac are used
Buffer.BlockCopy(encryptKeyGen.Digest, 0, _encryptKey, 0, 16);
SendPacket(new EnterEncryptedMode(_encryptKey, true));
AsyncRead();
}
void HandleAuthContinuedSession(AuthContinuedSession authSession)
{
ConnectToKey key = new ConnectToKey();
_key = key.Raw = authSession.Key;
_connectType = key.connectionType;
if (_connectType != ConnectionType.Instance)
{
SendAuthResponseError(BattlenetRpcErrorCode.Denied);
CloseSocket();
return;
}
uint accountId = key.AccountId;
PreparedStatement stmt = DB.Login.GetPreparedStatement(LoginStatements.SEL_ACCOUNT_INFO_CONTINUED_SESSION);
stmt.AddValue(0, accountId);
_queryProcessor.AddQuery(DB.Login.AsyncQuery(stmt).WithCallback(HandleAuthContinuedSessionCallback, authSession));
}
