private async Task <UserReturnObject> Authenticate(UserAuthentication userAuthentication)
{
UserReturnObject userReturnObject = new UserReturnObject();
using (var httpClient = new HttpClient())
{
//httpClient.DefaultRequestHeaders.Add("Key", "Secret@123");
StringContent content = new StringContent(JsonConvert.SerializeObject(userAuthentication), Encoding.UTF8, "application/json");
using (var response = await httpClient.PostAsync($"{Config.BaseUrl}/api/users/authenticate", content))
{
string apiResponse = await response.Content.ReadAsStringAsync();
try
{
userReturnObject = JsonConvert.DeserializeObject <UserReturnObject>(apiResponse);
}
catch (Exception ex)
{
//ViewBag.Result = apiResponse;
//return View();
}
}
}
return(userReturnObject);
}
private async Task <UserReturnObject> Authenticate(UserAuthentication userAuthentication)
{
UserReturnObject userReturnObject = new UserReturnObject();
userReturnObject = await PostRequest <UserReturnObject>("/api/users/authenticate", userAuthentication);
return(userReturnObject);
}
public async Task <UserReturnObject> AuthenticateUser(string username, string clearTextPassword)
{
var hashedPassword = Helpers.Helper.GenerateSHA256String(clearTextPassword);
UserAuthentication userAuthentication = new UserAuthentication
{
UserName = username,
Password = hashedPassword
};
UserReturnObject userReturnObject = await Authenticate(userAuthentication);
return(userReturnObject);
}
private async void Login(object parameter)
{
PasswordBox passwordBox = parameter as PasswordBox;
string clearTextPassword = passwordBox.Password;
try
{
Status = string.Empty;
App.SetCursorToWait();
//Validate credentials through the authentication service
if (string.IsNullOrEmpty(Username))
{
Username = string.Empty;
}
if (string.IsNullOrEmpty(clearTextPassword))
{
clearTextPassword = string.Empty;
}
UserReturnObject user = await _authenticationService.AuthenticateUser(Username, clearTextPassword);
if (user == null)
{
Status = "Incorrect Username or Password. Please try again.";
passwordBox.Password = string.Empty;
Username = string.Empty;
App.SetCursorToArrow();
OnRequestFocus?.Invoke(this, new EventArgs());
return;
}
//Get the current principal object
CustomPrincipal customPrincipal = App.CurrentPrincipal as CustomPrincipal;
var currentPrincipal = Thread.CurrentPrincipal;
if (customPrincipal == null)
{
throw new ArgumentException("The application's default thread principal must be set to a CustomPrincipal object on startup.");
}
//Authenticate the user
customPrincipal.Identity = new CustomIdentity(user.UserName, user.Roles);
_mainWindowViewModel.IsLoggedIn = true;
LoggedInName = $"{user.FirstName} {user.LastName}";
_mainWindowViewModel.LoggedInUserInfo = new Controls.Models.UserInfo()
{
Username = LoggedInName,
Roles = string.Join(", ", user.Roles),
FullUserInfo = user
};
//Update UI
OnPropertyChanged("AuthenticatedUser");
OnPropertyChanged("IsAuthenticated");
_loginCommand.RaiseCanExecuteChanged();
_logoutCommand.RaiseCanExecuteChanged();
Username = string.Empty; //reset
passwordBox.Password = string.Empty; //reset
Status = string.Empty;
App.SetCursorToArrow();
_navigationService.NavigateTo(Enums.PageKey.Dashboard);
// dashboard.Show();
OnRequestClose?.Invoke(this, new EventArgs());
}
catch (UnauthorizedAccessException)
{
App.SetCursorToArrow();
Status = "Please enter valid admin name and password.";
passwordBox.Password = string.Empty;
Username = string.Empty;
OnRequestFocus?.Invoke(this, new EventArgs());
}
catch (Exception ex)
{
App.SetCursorToArrow();
#if DEBUG
_mainWindowViewModel.Status = string.Format("ERROR: {0}", ex.Message);
#else
_mainWindowViewModel.Status = string.Format("ERROR: Some error occurred please try again.");
#endif
}
}
private async void Login(object parameter)
{
PasswordBox passwordBox = parameter as PasswordBox;
string clearTextPassword = passwordBox.Password;
try
{
IView dashboard = new Dashboard();
// Allow user to login if username and password both empty
if (string.IsNullOrEmpty(Username) && string.IsNullOrEmpty(clearTextPassword))
{
dashboard.Show();
OnRequestClose?.Invoke(this, new EventArgs());
return;
}
App.Current.MainWindow.Cursor = Cursors.Wait;
//Validate credentials through the authentication service
UserReturnObject user = await _authenticationService.AuthenticateUser(Username, clearTextPassword);
//Get the current principal object
CustomPrincipal customPrincipal = App.CurrentPrincipal as CustomPrincipal;
var currentPrincipal = Thread.CurrentPrincipal;
if (customPrincipal == null)
{
throw new ArgumentException("The application's default thread principal must be set to a CustomPrincipal object on startup.");
}
//Authenticate the user
customPrincipal.Identity = new CustomIdentity(user.UserName, user.Roles);
IsLoggedIn = true;
LoggedInName = $"{user.FirstName} {user.LastName}";
//Update UI
OnPropertyChanged("AuthenticatedUser");
OnPropertyChanged("IsAuthenticated");
_loginCommand.RaiseCanExecuteChanged();
_logoutCommand.RaiseCanExecuteChanged();
Username = string.Empty; //reset
passwordBox.Password = string.Empty; //reset
Status = string.Empty;
App.Current.MainWindow.Cursor = Cursors.Arrow;
// dashboard.Show();
OnRequestClose?.Invoke(this, new EventArgs());
}
catch (UnauthorizedAccessException)
{
App.Current.MainWindow.Cursor = Cursors.Arrow;
Status = "Please enter valid admin name and password.";
passwordBox.Password = string.Empty;
Username = string.Empty;
OnRequestFocus?.Invoke(this, new EventArgs());
}
catch (Exception ex)
{
App.Current.MainWindow.Cursor = Cursors.Arrow;
Status = string.Format("ERROR: {0}", ex.Message);
}
}