C
C#•3w ago
WizzyWodich

PasswordBox how to pass data to viewModel

This is a piece of code from View: 
        private void PasswordInput_PasswordChanged(object sender, RoutedEventArgs e)
        {
            if (DataContext is RegistrationVM vm && sender is PasswordBox passwordBox)
            {
                vm.Password = passwordBox.SecurePassword;
                MessageBox.Show($"Password {passwordBox.SecurePassword} | {passwordBox.Password}");
            }
        }
        private void PasswordInput_PasswordChanged(object sender, RoutedEventArgs e)
        {
            if (DataContext is RegistrationVM vm && sender is PasswordBox passwordBox)
            {
                vm.Password = passwordBox.SecurePassword;
                MessageBox.Show($"Password {passwordBox.SecurePassword} | {passwordBox.Password}");
            }
        }
This is a piece of code from ViewModel: 
public ICommand RegisterCommand { get; }

private async Task Register()
{
    if (IsPasswordValid())
    {
        string password = ConvertSecureStringToString(Password);
        bool success = await _tcpClientService.RegisterAsync(UserLogin, password);
        if (success)
        {
            MessageBox.Show("Регистрация успешна!");
            NavigateToLogin();
        }
        else
        {
            MessageBox.Show("Ошибка регистрации!");
        }
    }
    else
    {
        MessageBox.Show("Пароли не совпадают или слишком короткие!");
    }
}

private string ConvertSecureStringToString(SecureString secureString)
{
    IntPtr unmanagedString = IntPtr.Zero;
    try
    {
        unmanagedString = Marshal.SecureStringToGlobalAllocUnicode(secureString);
        return Marshal.PtrToStringUni(unmanagedString);
    }
    finally
    {
        if (unmanagedString != IntPtr.Zero)
        {
            Marshal.ZeroFreeGlobalAllocUnicode(unmanagedString);
        }
    }
}
public ICommand RegisterCommand { get; }

private async Task Register()
{
    if (IsPasswordValid())
    {
        string password = ConvertSecureStringToString(Password);
        bool success = await _tcpClientService.RegisterAsync(UserLogin, password);
        if (success)
        {
            MessageBox.Show("Регистрация успешна!");
            NavigateToLogin();
        }
        else
        {
            MessageBox.Show("Ошибка регистрации!");
        }
    }
    else
    {
        MessageBox.Show("Пароли не совпадают или слишком короткие!");
    }
}

private string ConvertSecureStringToString(SecureString secureString)
{
    IntPtr unmanagedString = IntPtr.Zero;
    try
    {
        unmanagedString = Marshal.SecureStringToGlobalAllocUnicode(secureString);
        return Marshal.PtrToStringUni(unmanagedString);
    }
    finally
    {
        if (unmanagedString != IntPtr.Zero)
        {
            Marshal.ZeroFreeGlobalAllocUnicode(unmanagedString);
        }
    }
}
2 Replies
WizzyWodich
WizzyWodichOP•3w ago
. 
private bool IsPasswordValid()
{
    if (Password == null || ConfirmPassword == null)
    {
        MessageBox.Show("Пароль и подтверждение пароля не могут быть пустыми.");
        return false;
    }

    // Преобразуем SecureString в строку и сравниваем
    string passwordStr = ConvertSecureStringToString(Password);
    string confirmPasswordStr = ConvertSecureStringToString(ConfirmPassword);

    return passwordStr.Length >= 8 && passwordStr == confirmPasswordStr;
}
private bool IsPasswordValid()
{
    if (Password == null || ConfirmPassword == null)
    {
        MessageBox.Show("Пароль и подтверждение пароля не могут быть пустыми.");
        return false;
    }

    // Преобразуем SecureString в строку и сравниваем
    string passwordStr = ConvertSecureStringToString(Password);
    string confirmPasswordStr = ConvertSecureStringToString(ConfirmPassword);

    return passwordStr.Length >= 8 && passwordStr == confirmPasswordStr;
}
Here I get not data but a SecureString object 
MessageBox.Show($"Password {passwordBox.SecurePassword} | {passwordBox.Password}");
MessageBox.Show($"Password {passwordBox.SecurePassword} | {passwordBox.Password}");
And the problem is that I can’t compare the password and I can’t pass the password to the server because it is an object of type SecureString. What should I do?
canton7
canton7•3w ago

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