//********************************************************************************************************************
private void Form1_Load(object sender, EventArgs e)
{
ChatCB.SelectedIndex = 0;
ActiveTB.BackColor = Color.Red;
ExitB.Hide();
SendB.Enabled = false;
InputTB.Enabled = false;
ChatCB.Enabled = false;
}
//*********************************************************
private void Form1_Load(object sender, EventArgs e) //On Application startup
{
ChatCB.SelectedIndex = 0; //set to defaults
ActiveTB.BackColor = Color.Red;
ExitB.Hide();
SendB.Enabled = false;
InputTB.Enabled = false;
ChatCB.Enabled = false;
}
//private void newUserToolStripMenuItem_Click(object sender, EventArgs e)
//{
// NewUserForm NUForm = new NewUserForm();
// NUForm.Show();
// this.Hide();
//}
//private void changePasswordToolStripMenuItem_Click(object sender, EventArgs e)
//{
// ChangePassword CPForm = new ChangePassword(UsernameCB.SelectedItem.ToString());
// CPForm.Show();
// this.Hide();
//}
private void LoginForm_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.F5)
{
LoginB.PerformClick();
}
if (e.KeyCode == Keys.F6)
{
ExitB.PerformClick();
}
}
//*********************************************************
private void ExitB_Click(object sender, EventArgs e) //Leaving a chat
{
byte[] outStream = System.Text.Encoding.ASCII.GetBytes(InitTB.Text + "_QUITTING$");
serverStream.Write(outStream, 0, outStream.Length);
serverStream.Flush();
System.Windows.Forms.MessageBox.Show("You have left the chat...");
ChatATB.Text = String.Empty; //Reset all to default
ChatBTB.Text = String.Empty;
ChatCTB.Text = String.Empty;
InputTB.Text = String.Empty;
InitTB.Text = String.Empty;
ActiveL.Text = "Chat\nInactive";
ActiveTB.BackColor = Color.Red;
JoinB.Enabled = true;
InitTB.Enabled = true;
ExitB.Hide();
clientSocket.GetStream().Close();
}
//*********************************************************
private void JoinB_Click(object sender, EventArgs e) //Join chat with given IP
{
int NumInit = InitTB.Text.Length; //Initial length check
if (NumInit == 3)
{
byte[] bytes = new byte[1024];
string S = "";
try
{
clientSocket.Connect(IPz, 8050);
serverStream = clientSocket.GetStream();
byte[] outStream = System.Text.Encoding.ASCII.GetBytes("3" + InitTB.Text + "$");
serverStream.Write(outStream, 0, outStream.Length);
serverStream.Flush();
Thread ctThread = new Thread(getMessage);
ctThread.Start();
Globals.running = true;
JoinB.Enabled = false;
InitTB.Enabled = false;
SendB.Enabled = true;
InputTB.Enabled = true;
ChatCB.Enabled = true;
ActiveTB.BackColor = Color.Green;
ActiveL.Text = "Chat\nActive";
ExitB.Show();
}
catch (Exception) //Error message for no server
{
System.Windows.Forms.MessageBox.Show("ERROR: CANT CONNECT");
}
}
else //Error message for invalid Init
{
System.Windows.Forms.MessageBox.Show("Initials must be\n3 characters");
}
}
//********************************************************************************************************************
private void JoinB_Click(object sender, EventArgs e)
{
string dataFromServer = "";
if (InitTB.Text.ToUpper() == "CSW")
{
if (PassTB.Text != "cpass")
{
MessageBox.Show("Password Incorrect.");
return;
}
}
else if (InitTB.Text.ToUpper() == "PSM")
{
if (PassTB.Text != "ppass")
{
MessageBox.Show("Password Incorrect.");
return;
}
}
else if (InitTB.Text.ToUpper() == "DRR")
{
if (PassTB.Text != "dpass")
{
MessageBox.Show("Password Incorrect.");
return;
}
}
else if (InitTB.Text.ToUpper() == "JJM")
{
if (PassTB.Text != "jpass")
{
MessageBox.Show("Password Incorrect.");
return;
}
}
else
{
MessageBox.Show("User not registered.");
return;
}
int NumInit = InitTB.Text.Length;
if (NumInit == 3)
{
byte[] bytes = new byte[1024];
string S = "";
try
{
clientSocket.Connect(IPz, 54206);
serverStream = clientSocket.GetStream();
string output = "3" + InitTB.Text + "$";
byte[] outStream = System.Text.Encoding.ASCII.GetBytes(output);
serverStream.Write(outStream, 0, outStream.Length);
Thread.Sleep(500);
serverStream.Read(bytes, 0, bytes.Length);
dataFromServer = System.Text.Encoding.ASCII.GetString(bytes);
dataFromServer = dataFromServer.Substring(0, dataFromServer.IndexOf("$"));
serverStream.Flush();
//get a stream from the string
var sr = new System.IO.StringReader(dataFromServer);
//we need a deserializer
var xs = new System.Xml.Serialization.XmlSerializer(typeof(RSAParameters));
//get the object back from the stream
serverPubKey = (RSAParameters)xs.Deserialize(sr);
var csp = new RSACryptoServiceProvider(2048);
//how to get the private key
Globals.myPrivKey = csp.ExportParameters(true);
//and the public key ...
Globals.myPubKey = csp.ExportParameters(false);
string myPubKeyString;
{
//we need some buffer
var sw = new System.IO.StringWriter();
//we need a serializer
var x = new System.Xml.Serialization.XmlSerializer(typeof(RSAParameters));
//serialize the key into the stream
x.Serialize(sw, Globals.myPubKey);
//get the string from the stream
myPubKeyString = sw.ToString();
}
Thread.Sleep(500);
byte[] Stream = System.Text.Encoding.ASCII.GetBytes(myPubKeyString + "$");
serverStream.Write(Stream, 0, Stream.Length);
Thread ctThread = new Thread(getMessage);
ctThread.Start();
Globals.running = true;
JoinB.Enabled = false;
InitTB.Enabled = false;
SendB.Enabled = true;
InputTB.Enabled = true;
ChatCB.Enabled = true;
ActiveTB.BackColor = Color.Green;
ActiveL.Text = "Chat\nActive";
ExitB.Show();
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.ToString());
}
}
else
{
System.Windows.Forms.MessageBox.Show("Initials must be\n3 characters");
}
}
