public async Task HandleAuthSession(CMSG_AUTH_SESSION auth, UInt32 ServerSeed)
{
if (SessionKey == 0)
{
await GetSessionKeyFromAuthAccount(auth.Account);
}
if (SessionKey == 0)
{
await SendAuthResponse(LoginErrorCode.AUTH_UNKNOWN_ACCOUNT);
return;
}
byte[] t = new byte[4];
var accountbytes = Encoding.UTF8.GetBytes(Account.GetPrimaryKeyString());
var clientseed = BitConverter.GetBytes(auth.Seed);
var serverseed = BitConverter.GetBytes(ServerSeed);
var sess_key = SessionKey;
var sesskeybytes = sess_key.GetBytes();
BigInteger ServerProof = BigInt.Hash(accountbytes, t, clientseed, serverseed, sesskeybytes);
BigInteger ClientProof = new BigInteger(auth.Digest);
if (ClientProof != ServerProof)
{
await SendAuthResponse(LoginErrorCode.AUTH_UNKNOWN_ACCOUNT);
return;
}
Authed = true;
await Account.AddSession(this); //set realm session (and disconnect any others)
//TODO: add queues
PacketOut p = new PacketOut(RealmOp.SMSG_AUTH_RESPONSE);
p.Write((byte)LoginErrorCode.AUTH_OK);
p.Write((int)0);
p.Write((byte)0);
p.Write(0);
p.Write((byte)0); //expansionLevel
await SendPacket(p);
}