private async void listen_btn_Click(object sender, RoutedEventArgs e)
{
listen_btn.Visibility = Visibility.Hidden;
register_btn.Visibility = Visibility.Hidden;
//SetVisibilityOfElements(new object[] {pb, stop_listen_btn, QrCodeImage}, Visibility.Visible);
pb.Visibility = Visibility.Visible;
stop_listen_btn.Visibility = Visibility.Visible;
await bm.ReceiveConnection();
BluetoothClientWrapper bluetoothRemoteClient = bm.BluetoothRemoteClient;
if (bluetoothRemoteClient != null)
{
bm.VerifyClient();
uint userSap = bluetoothRemoteClient.GetClient().RemoteEndPoint.Address.Sap;
// Get the encrypted key from memory if the user exists.
if (!File.Exists($"C:\\Users\\extre\\Desktop\\HostLocker\\user_{userSap}_data.dat"))
{
throw new Exception("User does not exist.");
}
UserData user = DataProtector.LoadData(userSap);
UserDevice = new UserDevice(user);
UserDevice.BluetoothConnection = bluetoothRemoteClient;
string request = UserDevice.PrepareDecryptRequest(UserDevice.EncryptedSymmetricKey);
bluetoothRemoteClient.SendMessage(request);
string requestResponse = bluetoothRemoteClient.ReadFromBtDevice();
//Handle the response
string decryptedMessage = UserDevice.DecodeAndDecryptMessage(requestResponse);
JsonRemote decryptedObject = JsonConvert.DeserializeObject <JsonRemote>(decryptedMessage);
UserDevice.aesManager.SetKey(JsonConvert.DeserializeObject <byte[]>(decryptedObject.DecipheredContent),
user.UserAesInitVect);
Switcher.Switch(new FilesWindow(), UserDevice);
}
pb.Visibility = Visibility.Hidden;
listen_btn.Visibility = Visibility.Visible;
register_btn.Visibility = Visibility.Visible;
stop_listen_btn.Visibility = Visibility.Hidden;
//bm.Dispose(true);
}
private async void register_btn_Click(object sender, RoutedEventArgs e)
{
listen_btn.Visibility = Visibility.Hidden;
register_btn.Visibility = Visibility.Hidden;
//SetVisibilityOfElements(new object[] {pb, stop_listen_btn, QrCodeImage}, Visibility.Visible);
pb.Visibility = Visibility.Visible;
stop_listen_btn.Visibility = Visibility.Visible;
QrCodeImage.Visibility = Visibility.Visible;
UserDevice = new UserDevice();
QrCodeManager qrCodeManager = new QrCodeManager(UserDevice);
QrCodeImage.Source = qrCodeManager.GenerateQrImage();
QrCodeImage.Visibility = Visibility.Visible;
await bm.ReceiveConnection();
BluetoothClientWrapper bluetoothRemoteClient = bm.BluetoothRemoteClient;
if (bluetoothRemoteClient != null)
{
bm.VerifyClient();
UserDevice.BluetoothConnection = bluetoothRemoteClient;
string messageReceived = bluetoothRemoteClient.ReadFromBtDevice();
JsonRemote messageDecrypted = UserDevice.DecryptedObjReceived(messageReceived);
UserDevice.DevicePublicKey = messageDecrypted.PublicKey.RSAParameters;
Switcher.Switch(new FilesWindow(), UserDevice);
}
QrCodeImage.Source = null;
//SetVisibilityOfElements(new object[] { pb, QrCodeImage }, Visibility.Hidden);
pb.Visibility = Visibility.Hidden;
QrCodeImage.Visibility = Visibility.Hidden;
//bm.Dispose(true);
//Console.WriteLine(bc.ReadFromBtDevice());
//bc.sendMessage("It wokrs||!!");
}
public async Task ReceiveConnection()
{
try {
if (!serverStarted)
{
bl = new BluetoothListener(LOCAL_MAC, BluetoothService.SerialPort);
bl.Start(1);
serverStarted = true;
Task <BluetoothClientWrapper> task = Task <BluetoothClientWrapper> .Factory.FromAsync(bl.BeginAcceptBluetoothClient, AcceptConnection, bl);
BluetoothClientWrapper result = await task;
if (task.IsCompleted)
{
BluetoothRemoteClient = result;
//BluetoothRemoteClient.Listener = bl;
}
}
}
catch (Exception ex) {
serverStarted = false;
Console.WriteLine(ex);
}
}