private void button1_Click(object sender, EventArgs e)
{
if (!int.TryParse(textPort.Text, out port))
{
MessageBox.Show("Please enter a number in the port section.");
DialogResult = DialogResult.None;
return;
}
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
socket.Connect(Hostname, port);
}
catch
{
MessageBox.Show("Unable to connect to chosen server on specified port.");
DialogResult = DialogResult.None;
return;
}
try
{
Connection con = new Connection(socket, ParentShard);
player.Name = textUsername.Text;
SHA256 hasher = SHA256.Create();
player.PasswordHash = hasher.ComputeHash(Encoding.Unicode.GetBytes(textPassword.Text));
player.Connection = con;
con.Player = player;
con.Start();
HelloResponse res = (HelloResponse)con.SendMessage(new HelloMessage());
if (!res.Success)
{
MessageBox.Show("Client version incompatible with selected server.");
DialogResult = DialogResult.None;
return;
}
byte[] publicKeyData = res.PublicKeyData;
byte[] nonce = res.Nonce;
Message response = con.SendMessage(new LoginPlayerMessage(player.Name, player.PasswordHash, publicKeyData, nonce));
LoginPlayerResponseMessage realResponse = response as LoginPlayerResponseMessage;
if (realResponse != null)
{
if (!realResponse.Success)
{
if (MessageBox.Show("Username does not exist or password wrong, should I attempt to create a new player?", "Login failure.", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
// TODO - confirm password.
response = con.SendMessage(new CreatePlayerMessage(player.Name, player.PasswordHash, publicKeyData, nonce));
CreatePlayerResponseMessage realResponse2 = response as CreatePlayerResponseMessage;
if (realResponse2 != null)
{
if (realResponse2.Success)
{
MessageBox.Show("Player successfully created.");
return;
}
else
{
MessageBox.Show("Name already exists, choose another.");
DialogResult = DialogResult.None;
return;
}
}
else
throw new NotSupportedException("Unexpected response type from server.");
}
else
{
DialogResult = DialogResult.None;
return;
}
}
}
else
throw new NotSupportedException("Unexpected response received from server.");
}
catch
{
MessageBox.Show("Unexpected error occured while logging in.");
DialogResult = DialogResult.None;
return;
}
}
