128 lines
5.0 KiB
C#
128 lines
5.0 KiB
C#
using Server_Dashboard.Views;
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using Server_Dashboard.Properties;
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using System;
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using System.Windows.Input;
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using System.Threading.Tasks;
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namespace Server_Dashboard {
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class LoginViewModel : BaseViewModel, IWindowHelper {
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private string username;
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public string Username {
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get { return username; }
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set {
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if (username != value)
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username = value;
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OnPropertyChanged(nameof(username));
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}
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}
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private string errorText;
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public string ErrorText {
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get { return errorText; }
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set {
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if (errorText != value)
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errorText = value;
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OnPropertyChanged(nameof(errorText));
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}
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}
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private bool rememberUser;
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public bool RememberUser {
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get { return rememberUser; }
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set {
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if(value != rememberUser)
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rememberUser = value;
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OnPropertyChanged(nameof(rememberUser));
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}
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}
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private string loading;
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public string Loading {
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get { return loading; }
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set {
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if (value != loading)
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loading = value;
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OnPropertyChanged(nameof(loading));
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}
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}
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public Action Close { get ; set; }
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public LoginViewModel() {
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Loading = "Hidden";
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LoginCommand = new RelayCommand(LoginAsync);
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if (!String.IsNullOrEmpty(Settings.Default.Username)) {
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Username = Settings.Default.Username;
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RememberUser = Settings.Default.RememberMe;
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}
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}
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public ICommand LoginCommand { get; set; }
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private async void LoginAsync(object parameter) {
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if (!String.IsNullOrWhiteSpace(Username) && !String.IsNullOrWhiteSpace((parameter as IHavePassword).SecurePassword.Unsecure())) {
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int result = 0;
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if (RememberUser && !String.IsNullOrEmpty(Settings.Default.Username) && !String.IsNullOrEmpty(Settings.Default.Cookies) && Settings.Default.Password.Length == 6) {
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result = await Task.Run(() => DatabaseHandler.CheckCookie(Settings.Default.Cookies, Username));
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}
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Loading = "Visible";
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result = await Task.Run(() => DatabaseHandler.CheckLogin(Username, (parameter as IHavePassword).SecurePassword.Unsecure()));
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Loading = "Hidden";
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switch (result) {
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case 0:
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ErrorText = "Username or password is wrong.";
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return;
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case 1:
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if (RememberUser && !String.IsNullOrEmpty(Settings.Default.Cookies)) {
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DatabaseHandler.CheckCookie(Settings.Default.Cookies, Username);
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}
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if (!RememberUser && !String.IsNullOrEmpty(Settings.Default.Cookies)) {
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Settings.Default.Cookies = null;
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Settings.Default.Username = "";
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Settings.Default.RememberMe = false;
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Settings.Default.Password = "";
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Settings.Default.Save();
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DatabaseHandler.DeleteCookie(Username);
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}
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if (RememberUser && String.IsNullOrEmpty(Settings.Default.Cookies)) {
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var guid = new Guid().ToString() + Username;
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Settings.Default.Cookies = guid;
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Settings.Default.Username = Username;
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Settings.Default.RememberMe = true;
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Settings.Default.Password = "*****";
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Settings.Default.Save();
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DatabaseHandler.AddCookie(Username, guid);
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}
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DashboardWindow window = new DashboardWindow();
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window.Show();
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Close?.Invoke();
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return;
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case 2:
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ErrorText = "Server unreachable, connection timeout.";
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return;
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default:
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ErrorText = "An unknown error has occured";
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return;
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}
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} else if (String.IsNullOrWhiteSpace(Username) && String.IsNullOrWhiteSpace((parameter as IHavePassword).SecurePassword.Unsecure())) {
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ErrorText = "Please provide a username and password";
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return;
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}
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if (String.IsNullOrWhiteSpace(Username)) {
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ErrorText = "Username cannot be empty.";
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return;
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}
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if (String.IsNullOrWhiteSpace((parameter as IHavePassword).SecurePassword.Unsecure())) {
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ErrorText = "Password cannot be empty.";
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return;
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}
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ErrorText = "";
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}
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}
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}
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