コード例 #1
0
        private void SendButton_Click(object sender, EventArgs e)
        {
            MethodInvoker methodInvokerDelegate = delegate()
            {
                if (this.sendMessageTextBox.Text.Length >= 1)
                {
                    this.networkWatcher.Send(ProtocolCreator.Message(this.username, this.sendMessageTextBox.Text, this.sessionkey));
                    this.sendMessageTextBox.Text = string.Empty;

                    if (this.sendMessageTextBox.Focused == false)
                    {
                        this.sendMessageTextBox.Focus();
                    }
                }
            };

            if (this.InvokeRequired)
            {
                this.Invoke(methodInvokerDelegate);
            }
            else
            {
                methodInvokerDelegate();
            }
        }
コード例 #2
0
        private void IsAliveWorker()
        {
            while (this.isReading == true)
            {
                this.Send(ProtocolCreator.IsAlive());

                Thread.Sleep(2000);
            }
        }
コード例 #3
0
        public void EnterMessage()
        {
            Console.Clear();

            Console.Write(">> ");

            string message = Console.ReadLine();

            Protocol userMessage = ProtocolCreator.Message(this.username, message, this.sessionKey);

            NetworkManager.SendMessage(userMessage, outputWindowClient);
        }
コード例 #4
0
        private void CleanClosing(object sender, FormClosingEventArgs args)
        {
            DialogResult askIfLogout = MessageBox.Show("Do you want to logout?", "Chat", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2);

            if (askIfLogout == DialogResult.No)
            {
                args.Cancel = true;
            }
            else if (askIfLogout == DialogResult.Yes)
            {
                this.networkWatcher.Send(ProtocolCreator.LogOut(this.username, this.sessionkey));
                this.networkWatcher.Stop();
            }
        }
コード例 #5
0
        public void ConnectToInputWindow()
        {
            IPEndPoint outputWindow = new IPEndPoint(IPAddress.Loopback, 90);

            this.inputWindowClient = new TcpClient();

            NetworkManager.Connect(outputWindow, inputWindowClient);

            Protocol sessionData = ProtocolCreator.SessionData(this.username, this.sessionKey);

            NetworkManager.SendMessage(sessionData, this.inputWindowClient);

            this.forwardMessages = new Thread(ForwardMessagesToServer);
            forwardMessages.Start();
        }
コード例 #6
0
        public ChatWindow(string username, string sessionkey, NetworkWatcher networkWatcher)
        {
            InitializeComponent();
            this.FormClosing += this.CleanClosing;

            this.username           = username;
            this.usernameLabel.Text = username + ":";
            this.sessionkey         = sessionkey;

            onlineUserBoxLocker = new object();
            messageBoxLocker    = new object();

            this.networkWatcher = networkWatcher;
            this.networkWatcher.ConnectionLost += this.ConnectionLost;
            this.networkWatcher.DataReceived   += this.DataReceived;

            this.networkWatcher.Send(ProtocolCreator.SessionKeyReceived(this.username, this.sessionkey));
        }
コード例 #7
0
        private void LoginButton_Click(object sender, EventArgs e)
        {
            if (this.CheckIfLegalIPAddress(this.ipAddressTextBox.Text) == false)
            {
                MessageBox.Show("Please enter a legal IPv4 address!", "Chat", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
            }
            else if (CheckIfLegalPort(this.portTextBox.Text) == false)
            {
                MessageBox.Show("The port must be between 3000 and 9000!", "Chat", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
            }
            else if (this.usernameTextBox.Text.ToCharArray().Length < 3)
            {
                MessageBox.Show("The username must be at least 3 characters long!", "Chat", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
            }
            else
            {
                this.networkWatcher = new NetworkWatcher(IPAddress.Parse(this.ipAddressTextBox.Text), int.Parse(this.portTextBox.Text));
                this.networkWatcher.ConnectionLost += this.ConnectionLost;
                this.networkWatcher.DataReceived   += this.DataReceived;
                this.networkWatcher.Start();

                if (this.networkWatcher.Connected == true)
                {
                    this.networkWatcher.Send(ProtocolCreator.LogIn(this.usernameTextBox.Text));

                    if (this.WaitForSessionKey(1000) == true)
                    {
                        this.networkWatcher.ConnectionLost -= this.ConnectionLost;
                        this.networkWatcher.DataReceived   -= this.DataReceived;
                        this.Hide();

                        ChatWindow chatWindow = new ChatWindow(this.usernameTextBox.Text, this.sessionkey, this.networkWatcher);
                        chatWindow.FormClosed += this.ChatWindowClosed;
                        chatWindow.Show();
                    }
                }
            }
        }
コード例 #8
0
        public void ForwardMessagesToServer()
        {
            while (true)
            {
                string messageProtocol = NetworkManager.ReadMessage(inputWindowClient, 302);

                char[] mesageProtocolArray = messageProtocol.ToCharArray();

                if (messageProtocol[0] == 'C' && messageProtocol[1] == 'H' && messageProtocol[2] == 'A' && messageProtocol[3] == 'T' && messageProtocol[4] == 'M' && messageProtocol[5] == 'E')
                {
                    string messageString = string.Empty;

                    for (int i = 6; i < mesageProtocolArray.Length; i++)
                    {
                        messageString = messageString + mesageProtocolArray[i];
                    }

                    string[] messageProtocolContent = messageString.Split('-');

                    Protocol message = ProtocolCreator.Message(messageProtocolContent[0], messageProtocolContent[1], messageProtocolContent[2]);
                    NetworkManager.SendMessage(message, serverClient);
                }
            }
        }
コード例 #9
0
        public static void DisplayLoginMenu()
        {
            Console.Clear();

            ShowHeader();

            Console.WriteLine();
            Console.WriteLine();

            Console.ForegroundColor = ConsoleColor.White;

            Console.WriteLine("[!] Enter your user information below to login or press [ESC] to go back!");

            Console.WriteLine();

            Console.WriteLine("             " + "Username: "******"             " + "Password: "******"The username must not be empty and between 3 and 10 characters!");
                    }

                    Console.CursorVisible = false;

                    Console.SetCursorPosition(23, 11);

                    Console.CursorVisible = true;

                    string password = GetStringWithASpecificLength(12, 23, 11, out exit, false);

                    if (exit == false)
                    {
                        if (CheckIfLegalString(password, 6, 12) == false)
                        {
                            throw new ArgumentException("The password must not be empty and between 6 and 12 characters!");
                        }

                        settings.CheckConfigFile();

                        IPEndPoint server = new IPEndPoint(settings.ServerIP, settings.ServerPort);

                        TcpClient client = new TcpClient();

                        NetworkManager.Connect(server, client);

                        Protocol loginRequest = ProtocolCreator.LoginRequest(username, password);

                        NetworkManager.SendMessage(loginRequest, client);

                        string loginResponse = NetworkManager.ReadMessage(client, 38);

                        if (loginResponse == "CHATLI")
                        {
                            throw new ArgumentException("The username or the password is invalid!");
                        }
                        else
                        {
                            char[] loginResponseArray = loginResponse.ToCharArray();

                            if (loginResponseArray[0] == 'C' && loginResponseArray[1] == 'H' && loginResponseArray[2] == 'A' && loginResponseArray[3] == 'T' && loginResponseArray[4] == 'L' && loginResponseArray[5] == 'O')
                            {
                                string sessionKey = string.Empty;

                                for (int i = 6; i < loginResponseArray.Length; i++)
                                {
                                    sessionKey = sessionKey + loginResponseArray[i];
                                }

                                Process.Start("Client.exe", "OpenInputWindow" + " " + settings.ServerIP + " " + settings.ServerPort);

                                OutputWindow outputWindow = new OutputWindow(username, sessionKey, client);
                                outputWindow.Start();
                            }
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Console.SetCursorPosition(0, 12);

                Console.WriteLine();
                Console.WriteLine(e.Message);
                Console.WriteLine();
                Console.WriteLine("Press any key to continue!");

                Console.CursorVisible = false;

                Console.ReadKey(true);

                DisplayLoginMenu();
            }

            Console.CursorVisible = false;

            Console.ResetColor();
        }
コード例 #10
0
        public static void DisplayRegisterMenu()
        {
            Console.Clear();

            ShowHeader();

            Console.WriteLine();
            Console.WriteLine();

            Console.ForegroundColor = ConsoleColor.White;

            Console.WriteLine("[!] Enter a username and a password below to register or press [ESC] to go back!");
            Console.WriteLine("    If you have problems registering, press [F12] to open the help!");

            Console.WriteLine();

            Console.WriteLine("             " + "Username: "******"             " + "Password: "******"             " + "Confirm Password: "******"The username must not be empty and between 3 and 10 characters!");
                    }

                    Console.CursorVisible = false;

                    Console.SetCursorPosition(23, 12);

                    Console.CursorVisible = true;

                    string password = GetStringWithASpecificLength(12, 23, 12, out exit, false);

                    if (exit == false)
                    {
                        if (CheckIfLegalString(password, 6, 12) == false)
                        {
                            throw new ArgumentException("The password must not be empty and between 6 and 12 characters!");
                        }

                        Console.CursorVisible = false;

                        Console.SetCursorPosition(31, 14);

                        Console.CursorVisible = true;

                        string confirmPassword = GetStringWithASpecificLength(12, 31, 14, out exit, false);

                        if (exit == false)
                        {
                            if (CheckIfLegalString(confirmPassword, 6, 12) == false)
                            {
                                throw new ArgumentException("The confirmation password must not be empty and between 6 and 12 characters!");
                            }
                            else if (password != confirmPassword)
                            {
                                throw new ArgumentException("The password must match the confirmation password!");
                            }

                            settings.CheckConfigFile();

                            IPEndPoint server = new IPEndPoint(settings.ServerIP, settings.ServerPort);

                            TcpClient client = new TcpClient();

                            NetworkManager.Connect(server, client);

                            Protocol registrationRequest = ProtocolCreator.RegistrationRequest(username, password);

                            NetworkManager.SendMessage(registrationRequest, client);

                            string registrationResponse = NetworkManager.ReadMessage(client, 6);

                            if (registrationResponse == "CHATRI")
                            {
                                throw new ArgumentException("The username already exists! Please try another one!");
                            }
                            else if (registrationResponse == "CHATRO")
                            {
                                Console.WriteLine();
                                Console.WriteLine();
                                Console.WriteLine("The registration was successful! You can login now!");
                                Console.WriteLine();
                                Console.WriteLine("Press any key to continue!");

                                Console.CursorVisible = false;

                                Console.ReadKey(true);
                            }
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Console.SetCursorPosition(0, 15);

                Console.WriteLine();
                Console.WriteLine(e.Message);
                Console.WriteLine();
                Console.WriteLine("Press any key to continue!");

                Console.CursorVisible = false;

                Console.ReadKey(true);

                DisplayRegisterMenu();
            }

            Console.CursorVisible = false;

            Console.ResetColor();
        }