private async Task PromptForTwoFactor()
{
var result = await _alertDialogFactory.PromptTextBox("Two Factor Authentication",
"This account requires a two factor authentication code", string.Empty, "Ok");
TwoFactor = result;
LoginCommand.ExecuteIfCan();
}
public LoginViewModel(ILoginService loginFactory,
IAccountsService accountsService,
IActionMenuFactory actionMenuService,
IAlertDialogFactory alertDialogService)
{
_loginFactory = loginFactory;
Title = "Login";
GoToOldLoginWaysCommand = ReactiveCommand.Create().WithSubscription(_ =>
NavigateTo(this.CreateViewModel <AddAccountViewModel>()));
var loginCommand = ReactiveCommand.CreateAsyncTask(
this.WhenAnyValue(x => x.Code).Select(x => !string.IsNullOrEmpty(x)), _ => Login(Code));
loginCommand.Subscribe(x => accountsService.ActiveAccount = x);
loginCommand.Subscribe(x => MessageBus.Current.SendMessage(new LogoutMessage()));
LoginCommand = loginCommand;
ShowLoginOptionsCommand = ReactiveCommand.CreateAsyncTask(t =>
{
var actionMenu = actionMenuService.Create(Title);
actionMenu.AddButton("Login via BASIC", GoToOldLoginWaysCommand);
return(actionMenu.Show());
});
LoginCommand.IsExecuting.Skip(1).Subscribe(x =>
{
if (x)
{
alertDialogService.Show("Logging in...");
}
else
{
alertDialogService.Hide();
}
});
_loginUrl = this.WhenAnyValue(x => x.WebDomain)
.IsNotNull()
.Select(x => x.TrimEnd('/'))
.Select(x =>
string.Format(x + "/login/oauth/authorize?client_id={0}&redirect_uri={1}&scope={2}",
ClientId, Uri.EscapeDataString(RedirectUri), Uri.EscapeDataString("user,repo,notifications,gist")))
.ToProperty(this, x => x.LoginUrl);
LoadCommand = ReactiveCommand.CreateAsyncTask(async t =>
{
if (IsEnterprise && string.IsNullOrEmpty(WebDomain))
{
var response = await alertDialogService.PromptTextBox("Enterprise URL",
"Please enter the webpage address for the GitHub Enterprise installation",
DefaultWebDomain, "Ok");
WebDomain = response;
}
else
{
WebDomain = DefaultWebDomain;
}
});
LoadCommand.ThrownExceptions.Take(1).Subscribe(x => Dismiss());
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
ViewModel.LoginCommand.IsExecuting.Skip(1).Subscribe(x =>
{
if (x)
{
_alertDialogService.Show("Logging in...");
}
else
{
_alertDialogService.Hide();
}
});
ViewModel.LoginCommand.ThrownExceptions.Subscribe(x =>
{
if (x is LoginService.TwoFactorRequiredException)
{
_alertDialogService.PromptTextBox("Two Factor Authentication",
"This account requires a two factor authentication code", string.Empty, "Ok")
.ContinueWith(t =>
{
ViewModel.TwoFactor = t.Result;
ViewModel.LoginCommand.ExecuteIfCan();
}, TaskContinuationOptions.OnlyOnRanToCompletion);
}
});
User.EditingChanged += (sender, args) => ViewModel.Username = User.Text;
ViewModel.WhenAnyValue(x => x.Username).Subscribe(x => User.Text = x);
Password.EditingChanged += (sender, args) => ViewModel.Password = Password.Text;
ViewModel.WhenAnyValue(x => x.Password).Subscribe(x => Password.Text = x);
Domain.ValueChanged += (sender, args) => ViewModel.Domain = Domain.Text;
ViewModel.WhenAnyValue(x => x.Domain).Subscribe(x => Domain.Text = x);
LoginButton.TouchUpInside += (sender, args) => ViewModel.LoginCommand.ExecuteIfCan();
ViewModel.LoginCommand.CanExecuteObservable.Subscribe(x => LoginButton.Enabled = x);
View.BackgroundColor = UIColor.FromRGB(239, 239, 244);
Logo.Image = Images.Logos.GitHub;
if (ViewModel.IsEnterprise)
{
LoginButton.SetTitleColor(UIColor.White, UIControlState.Normal);
LoginButton.SetBackgroundImage(Images.Buttons.BlackButton.CreateResizableImage(new UIEdgeInsets(18, 18, 18, 18)), UIControlState.Normal);
}
else
{
LoginButton.SetBackgroundImage(Images.Buttons.GreyButton.CreateResizableImage(new UIEdgeInsets(18, 18, 18, 18)), UIControlState.Normal);
//Hide the domain, slide everything up
Domain.Hidden = true;
var f = User.Frame;
f.Y -= 39;
User.Frame = f;
var p = Password.Frame;
p.Y -= 39;
Password.Frame = p;
var l = LoginButton.Frame;
l.Y -= 39;
LoginButton.Frame = l;
}
//Set some generic shadowing
LoginButton.Layer.ShadowColor = UIColor.Black.CGColor;
LoginButton.Layer.ShadowOffset = new CGSize(0, 1);
LoginButton.Layer.ShadowOpacity = 0.3f;
Domain.ShouldReturn = delegate {
User.BecomeFirstResponder();
return(true);
};
User.ShouldReturn = delegate {
Password.BecomeFirstResponder();
return(true);
};
Password.ShouldReturn = delegate {
Password.ResignFirstResponder();
LoginButton.SendActionForControlEvents(UIControlEvent.TouchUpInside);
return(true);
};
ScrollView.ContentSize = new CGSize(View.Frame.Width, LoginButton.Frame.Bottom + 10f);
}
