private void button_connect_Click(object sender, EventArgs e)
{
if (textBox_username.Text.Trim() != "" && textBox_password.Text.Trim() != "")
{
PacketWriter pw = new PacketWriter();
pw.WriteByte(1);
pw.WriteString(textBox_username.Text.Trim());
pw.WriteString(textBox_password.Text.Trim());
byte[] response = client.SendRequest(pw.ToArray());
PacketReader pr = new PacketReader(response);
byte r = pr.ReadByte();
if(r == 0)
{
MessageBox.Show("Connection successful !");
}
else if(r == 2)
{
MessageBox.Show("Banned : " + pr.ReadString());
}
else
{
MessageBox.Show("Wrong password or username !");
}
}
}
private void textBox_message_KeyDown(object sender, KeyEventArgs e)
{
if(e.KeyCode == Keys.Enter)
{
PacketWriter pw = new PacketWriter();
pw.WriteByte(1);
pw.WriteString(textBox_message.Text);
textBox_message.Clear();
client.Send(pw.ToArray());
}
}
public byte[] LoginRequest(string username, string password)
{
connection.Open();
byte[] response = null;
SQLiteCommand command = new SQLiteCommand("select * from accounts where username='******'", connection);
SQLiteDataReader sqlreader = command.ExecuteReader();
if (sqlreader.Read())
{
if (SHA256Encrypt(password) == sqlreader["password"].ToString())
{
if (!(bool)sqlreader["banned"])
{
Program.Log("Connection request accepted !");
response = new byte[1];
using (PacketWriter pw = new PacketWriter())
{
pw.WriteByte(0);
response = pw.ToArray();
}
}
else
{
Program.Log("Connection request failed : banned user !");
using (PacketWriter pw = new PacketWriter())
{
pw.WriteByte(2);
pw.WriteString(sqlreader["bannedr"].ToString());
response = pw.ToArray();
}
}
}
}
if (response == null)
{
Program.Log("Connection request failed : bad username or password !");
using (PacketWriter pw = new PacketWriter())
{
pw.WriteByte(1);
response = pw.ToArray();
}
}
connection.Close();
return response;
}
static void server_OnDataReceived(eSClient client, byte[] buffer)
{
PacketReader pr = new PacketReader(buffer);
Byte ID = pr.ReadByte();
if(ID == 1)
{
string message = pr.ReadString();
PacketWriter pw = new PacketWriter();
pw.WriteByte(ID);
pw.WriteInt32(server.GetIDFromTcpClient(client.GetTcpClient()));
pw.WriteString(message);
server.SendToAll(pw.ToArray());
Console.WriteLine("Message received from " + client.GetID() + " : " + message);
}
}
/// <summary>
/// Listen for client
/// </summary>
/// <returns></returns>
private async Task ListenAsync()
{
try
{
while (true)
{
TcpClient client = await Listener.AcceptTcpClientAsync();
Int32 id = (Int32)randomID.Next(10000, 99999);
eSClient sClient = new eSClient(id, client);
byte[] idBuffer;
using (PacketWriter pw = new PacketWriter())
{
pw.WriteInt32(id);
idBuffer = pw.ToArray();
}
client.Send(idBuffer);
ClientList.Add(sClient);
if (OnClientConnected != null)
OnClientConnected(sClient);
StartHandleClient(sClient);
}
}
catch (Exception ex)
{
DebugMessage("Failed to listen for new client : " + ex.Message);
}
finally
{
Stop();
}
}
