private void GetInfoAboutFiles()
{
try
{
SocketHandler sh = new SocketHandler();
sh.sendData("213");
sh.getMsgCode();
int amount = int.Parse(sh.recvDataWithSize());
for (int i = 0; i < amount; i++)
{
int length = sh.getDataLen(3);
string fileName = sh.recvDataWithGivenSize(length);
length = sh.getDataLen(2);
string fileType = sh.recvDataWithGivenSize(length);
length = sh.getDataLen(2);
string fileSize = sh.recvDataWithGivenSize(length);
length = sh.getDataLen(2);
string fileLoc = sh.recvDataWithGivenSize(length);
int isEncrypted = int.Parse(sh.recvDataWithGivenSize(1));
AddRowToGrid(fileName, fileType, fileLoc, fileSize, isEncrypted);
}
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
}
private void loginBtn_Click(object sender, RoutedEventArgs e)
{
if (usernameBox.Text == "" || passwordBox.Password == "")
{
Notifier n = new Notifier(cfg =>
{
cfg.PositionProvider = new WindowPositionProvider(
parentWindow: this,
corner: Corner.BottomRight,
offsetX: 10,
offsetY: 10);
cfg.LifetimeSupervisor = new TimeAndCountBasedLifetimeSupervisor(
notificationLifetime: TimeSpan.FromSeconds(2),
maximumNotificationCount: MaximumNotificationCount.FromCount(1));
cfg.Dispatcher = Application.Current.Dispatcher;
});
n.ShowWarning("Please fill all required values.");
}
else
{
string hashPassword = ComputeHash(passwordBox.Password, new MD5CryptoServiceProvider());
string data = "200";
data += usernameBox.Text.Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(usernameBox.Text, "cipher");
data += hashPassword.Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(hashPassword, "cipher");
SocketHandler sh = new SocketHandler();
try
{
sh.sendData(data);
string result = sh.recvData();
if (result.Equals("1000"))
{
LoadingPage app = new LoadingPage();
this.Close();
app.Show();
}
else
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowWarning("Wrong username or password");
}
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.Message);
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.Message);
}
}
}
private void deleteBtn_Click(object sender, RoutedEventArgs e)
{
Button btn = sender as Button;
string username = btn.DataContext as string;
string groupName = groupNameLbl.Content.ToString();
string data = "212";
data += username.Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(username, "cipher");;
data += groupName.Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(groupName, "cipher");;
SocketHandler sh = new SocketHandler();
try
{
sh.sendData(data);
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
GetInfoAboutGroups();
updateView(groupName);
}
private bool isUserConntected(string username)
{
List <string> users = new List <string>();
try
{
SocketHandler sh = new SocketHandler();
sh.sendData("210");
sh.getMsgCode();
int amount = int.Parse(sh.recvDataWithSize());
for (int i = 0; i < amount; i++)
{
string connectedUser = sh.recvDataWithSize();
users.Add(connectedUser);
}
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
if (users.Contains(username))
{
return(true);
}
return(false);
}
public LoginPage()
{
WindowStartupLocation = System.Windows.WindowStartupLocation.CenterScreen;
AsyncBlockingSocket abs = new AsyncBlockingSocket();
Task task = Task.Run((Action)abs.listenForConnection);
InitializeComponent();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
DataGrid dataGridVar = dataGrid;
DataGridRow Row = (DataGridRow)dataGridVar.ItemContainerGenerator.ContainerFromIndex(dataGridVar.SelectedIndex);
DataGridCell atUserCol = (DataGridCell)dataGridVar.Columns[2].GetCellContent(Row).Parent;
DataGridCell fileNameCol = (DataGridCell)dataGridVar.Columns[0].GetCellContent(Row).Parent;
string atUser = ((TextBlock)atUserCol.Content).Text;
string fileName = ((TextBlock)fileNameCol.Content).Text;
if (isUserConntected(atUser))
{
string data = "214";
data += fileName.Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(fileName, "cipher");
data += atUser.Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(atUser, "cipher");
SocketHandler sh = new SocketHandler();
try
{
sh.sendData(data);
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
}
else
{
Notifier n = new Notifier(cfg =>
{
cfg.DisplayOptions.TopMost = true;
cfg.PositionProvider = new WindowPositionProvider(
parentWindow: Application.Current.MainWindow,
corner: Corner.BottomRight,
offsetX: 10,
offsetY: 10);
cfg.LifetimeSupervisor = new TimeAndCountBasedLifetimeSupervisor(
notificationLifetime: TimeSpan.FromSeconds(2),
maximumNotificationCount: MaximumNotificationCount.FromCount(1));
cfg.Dispatcher = Application.Current.Dispatcher;
});
n.ShowError("The user is not connected.");
}
}
private void PlaceholdersListBox_OnPreviewMouseDown(object sender, MouseButtonEventArgs e)
{
var item = ItemsControl.ContainerFromElement(sender as ListBox, e.OriginalSource as DependencyObject) as ListBoxItem;
if (item != null)
{
usersCombo.Items.Clear();
usersList.Items.Clear();
groupNameLbl.Content = item.Content;
string[] users = groups[item.Content.ToString()][0].Split('/');
for (int i = 0; i < users.Length; i++)
{
if (users[i] != "")
{
usersList.Items.Add(users[i]);
}
}
try
{
SocketHandler sh = new SocketHandler();
sh.sendData("210");
sh.getMsgCode();
int amount = int.Parse(sh.recvDataWithSize());
for (int i = 0; i < amount; i++)
{
string username = sh.recvDataWithSize();
if (!usersList.Items.Contains(username))
{
usersCombo.Items.Add(username);
}
}
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
}
}
private void sendBtn_Click(object sender, RoutedEventArgs e)
{
string fileName = " ";
if (ipLbl.Content != null)
{
Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
// Display OpenFileDialog by calling ShowDialog method
Nullable <bool> result = dlg.ShowDialog();
// Get the selected file name and display in a TextBox
if (result == true)
{
// Open document
fileName = dlg.FileName;
string data = "203" + fileName.Length.ToString().PadLeft(3, '0');
data += SocketHandler.Encipher(fileName, "cipher");
data += Convert.ToInt32(encryptBtn.IsChecked); // No encryption
data += "01" + "1"; // One user
if (ipLbl.Content != null)
{
data += ipLbl.Content.ToString().Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(ipLbl.Content.ToString(), "cipher");
}
SocketHandler sh = new SocketHandler();
try
{
sh.sendData(data);
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
}
}
}
private void deleteBtn_Click(object sender, RoutedEventArgs e)
{
SocketHandler sh = new SocketHandler();
try
{
string data = "216";
sh.sendData(data);
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
}
private void uploadBtn_Click(object sender, RoutedEventArgs e)
{
string fileName = " ";
Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
// Display OpenFileDialog by calling ShowDialog method
Nullable <bool> result = dlg.ShowDialog();
// Get the selected file name and display in a TextBox
if (result == true)
{
// Open document
fileName = dlg.FileName;
string data = "209";
if (groupNameLbl.Content == null)
{
return;
}
data += groupNameLbl.Content.ToString().Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(groupNameLbl.Content.ToString(), "cipher");
data += fileName.Length.ToString().PadLeft(3, '0');
data += SocketHandler.Encipher(fileName, "cipher");
SocketHandler sh = new SocketHandler();
try
{
sh.sendData(data);
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
}
}
private void updateView(string groupName)
{
usersCombo.Items.Clear();
usersList.Items.Clear();
groupNameLbl.Content = groupName;
string[] users = groups[groupName][0].Split('/');
for (int i = 0; i < users.Length; i++)
{
if (users[i] != "")
{
usersList.Items.Add(users[i]);
}
}
try
{
SocketHandler sh = new SocketHandler();
sh.sendData("210");
sh.getMsgCode();
int amount = int.Parse(sh.recvDataWithSize());
for (int i = 0; i < amount; i++)
{
string username = sh.recvDataWithSize();
usersCombo.Items.Add(username);
}
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
}
private void leaveBtn_Click(object sender, RoutedEventArgs e)
{
if (groupNameLbl.Content != null)
{
string groupName = groupNameLbl.Content.ToString();
string data = "215";
data += groupName.Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(groupName, "cipher");
SocketHandler sh = new SocketHandler();
try
{
sh.sendData(data);
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
GetInfoAboutGroups();
updateView(groupName);
groupsList.Items.RemoveAt(groupsList.SelectedIndex);
groupsList.SelectedItem = null;
usersCombo.Items.Clear();
usersList.Items.Clear();
groupNameLbl.Content = null;
}
}
private void addBtn_Click(object sender, RoutedEventArgs e)
{
if (usersCombo.SelectedValue != null)
{
string username = usersCombo.SelectedValue.ToString();
string groupName = groupNameLbl.Content.ToString();
string data = "207";
data += username.Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(username, "cipher");
data += groupName.Length.ToString().PadLeft(2, '0');
data += SocketHandler.Encipher(groupName, "cipher");
SocketHandler sh = new SocketHandler();
try
{
sh.sendData(data);
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
usersList.Items.Add(username);
usersCombo.Items.Remove(username);
}
else
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError("Please pick a valid user.");
}
}
private void GetInfoAboutGroups()
{
try
{
SocketHandler sh = new SocketHandler();
sh.sendData("208");
sh.getMsgCode();
int amount = int.Parse(sh.recvDataWithSize());
for (int i = 0; i < amount; i++)
{
string groupName = sh.recvDataWithSize();
if (!groups.ContainsKey(groupName))
{
ListBoxItem newItem = new ListBoxItem();
newItem.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Left;
newItem.FontSize = 26;
newItem.Content = groupName;
groupsList.Items.Add(newItem);
List <string> values = new List <string>();
int length = sh.getDataLen(2);
if (length != 0)
{
string data = sh.recvDataWithGivenSize(length);
values.Add(data);
}
else
{
values.Add("");
}
groups[newItem.Content.ToString()] = values;
}
else
{
List <string> values = new List <string>();
int length = sh.getDataLen(2);
if (length != 0)
{
string data = sh.recvDataWithGivenSize(length);
values.Add(data);
}
else
{
values.Add("");
}
groups[groupName] = values;
}
}
}
catch (SocketException ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
catch (Exception ex)
{
Notifier n = AsyncBlockingSocket.initNotifier();
n.ShowError(ex.ToString());
}
}
