private void DisplayUI(WebAuthenticator auth)
{
#if __ANDROID__
Forms.Context.StartActivity(auth.GetUI(Forms.Context));
#endif
#if __IOS__
SocialLogin.iOS.AppDelegate.GetController().PresentViewController(auth.GetUI(), true, null);
#endif
}
protected override Task <string> GetAuthorizationCodeAsync()
{
var tcs = new TaskCompletionSource <string>();
if (CurrentAuthenticator != null)
{
tcs.TrySetException(new InvalidOperationException("Authentication is already in progress."));
return(tcs.Task);
}
CurrentAuthenticator = new WebRedirectAuthenticator(LoginUri, CallbackUri)
{
IsUsingNativeUI = true, // Xamarin.Auth takes care about fallback
ClearCookiesBeforeLogin = false
};
Intent intent = CurrentAuthenticator.GetUI(this.context);
CurrentAuthenticator.Error += (sender, e) =>
{
string message = String.Format(CultureInfo.InvariantCulture, "Authentication failed with HTTP response code {0}.", e.Message);
InvalidOperationException ex = (e.Exception == null)
? new InvalidOperationException(message)
: new InvalidOperationException(message, e.Exception);
tcs.TrySetException(ex);
CurrentAuthenticator = null;
};
CurrentAuthenticator.Completed += (sender, e) =>
{
string authorizationCode;
if (!e.IsAuthenticated)
{
tcs.TrySetException(new InvalidOperationException("Authentication was cancelled by the user."));
}
else if (!e.Account.Properties.TryGetValue("authorization_code", out authorizationCode))
{
tcs.TrySetException(new InvalidOperationException("Authentication failed: could not found \"authorization_code\"."));
}
else
{
tcs.TrySetResult(authorizationCode);
}
CurrentAuthenticator = null;
};
context.StartActivity(intent);
return(tcs.Task);
}
private void SetupFacebook()
{
FacebookButton.TouchUpInside += delegate {
Auth = new OAuth2Authenticator("990519181055992", "email",
new Uri("https://www.facebook.com/v2.0/dialog/oauth/"),
new Uri("http://www.facebook.com/connect/login_success.html"),
null, false);
Auth.Completed += OnFacebookAuthCompleted;
var viewController = Auth.GetUI();
PresentViewController(viewController, true, null);
};
}
private void SetupGoogle()
{
GoogleButton.TouchUpInside += delegate {
Auth = new OAuth2Authenticator("742705120071-hkdhvr100f26g8agacuqm54a924eblf9.apps.googleusercontent.com", "", "https://www.googleapis.com/auth/userinfo.email",
new Uri("https://accounts.google.com/o/oauth2/v2/auth"),
new Uri("org.amffrance.finquiz:/oauth2redirect"),
new Uri("https://www.googleapis.com/oauth2/v4/token"),
null, true);
Auth.Completed += OnGoogleAuthCompleted;
var viewController = Auth.GetUI();
PresentViewController(viewController, true, null);
};
}
private void SetupTwitter()
{
TwitterButton.TouchUpInside += delegate {
Auth = new OAuth1Authenticator("6ozsrJfgvSe58Pl45MLk65PfH", "tneY3Wf4hxpFM8UpuSvw9bhy6P9vF11KUS731Suk2xmkGPUZgB",
new Uri("https://api.twitter.com/oauth/request_token"),
new Uri("https://api.twitter.com/oauth/authorize"),
new Uri("https://api.twitter.com/oauth/access_token"),
new Uri("https://mobile.twitter.com"),
null, false);
Auth.Completed += OnTwitterAuthCompleted;
var viewController = Auth.GetUI();
PresentViewController(viewController, true, null);
};
}
private void SetupFacebook()
{
var facebookButton = FindViewById <Button>(Resource.Id.facebookButton);
facebookButton.Click += delegate {
Auth = new OAuth2Authenticator("990519181055992", "email",
new Uri("https://www.facebook.com/v2.0/dialog/oauth/"),
new Uri("http://www.facebook.com/connect/login_success.html"),
null, false);
Auth.Completed += OnFacebookAuthCompleted;
var intent = Auth.GetUI(this);
StartActivity(intent);
};
}
private void SetupTwitter()
{
var twitterButton = FindViewById <Button>(Resource.Id.twitterButton);
twitterButton.Click += delegate {
Auth = new OAuth1Authenticator("6ozsrJfgvSe58Pl45MLk65PfH", "tneY3Wf4hxpFM8UpuSvw9bhy6P9vF11KUS731Suk2xmkGPUZgB",
new Uri("https://api.twitter.com/oauth/request_token"),
new Uri("https://api.twitter.com/oauth/authorize"),
new Uri("https://api.twitter.com/oauth/access_token"),
new Uri("https://mobile.twitter.com"),
null, false);
Auth.Completed += OnTwitterAuthCompleted;
var intent = Auth.GetUI(this);
StartActivity(intent);
};
}
private void SetupGoogle()
{
var googleButton = FindViewById <Button>(Resource.Id.googleButton);
googleButton.Click += delegate {
Auth = new OAuth2Authenticator("742705120071-bep44ot1uchpo1mlhhcr242kh84ehgb1.apps.googleusercontent.com", "", "https://www.googleapis.com/auth/userinfo.email",
new Uri("https://accounts.google.com/o/oauth2/v2/auth"),
new Uri("org.amffrance.finquiz:/oauth2redirect"),
new Uri("https://www.googleapis.com/oauth2/v4/token"),
null, true);
Auth.Completed += OnGoogleAuthCompleted;
Auth.Error += (s, e) =>
{
var alertBuilder = new AlertDialog.Builder(this);
alertBuilder.SetTitle(e.Message);
alertBuilder.SetMessage(e.Exception.ToString());
alertBuilder.Create().Show();
};
var intent = Auth.GetUI(this);
StartActivity(intent);
};
}
protected override Task <string> GetAuthorizationCodeAsync()
{
var tcs = new TaskCompletionSource <string>();
if (CurrentAuthenticator != null)
{
tcs.TrySetException(new InvalidOperationException("Authentication is already in progress."));
return(tcs.Task);
}
CurrentAuthenticator = new WebRedirectAuthenticator(LoginUri, CallbackUri)
{
IsUsingNativeUI = ObjCRuntime.Class.GetHandle("SFSafariViewController") != IntPtr.Zero,
ClearCookiesBeforeLogin = false
};
UIViewController c = CurrentAuthenticator.GetUI();
UIViewController controller = null;
UIPopoverController popover = null;
CurrentAuthenticator.Error += (o, e) =>
{
NSAction completed = () =>
{
Exception ex = e.Exception ?? new Exception(e.Message);
tcs.TrySetException(ex);
};
if (controller != null)
{
controller.DismissViewController(true, completed);
}
if (popover != null)
{
popover.Dismiss(true);
completed();
}
CurrentAuthenticator = null;
};
CurrentAuthenticator.Completed += (o, e) =>
{
NSAction completed = () =>
{
string authorizationCode;
if (!e.IsAuthenticated)
{
tcs.TrySetException(new InvalidOperationException("Authentication was cancelled by the user."));
}
else if (!e.Account.Properties.TryGetValue("authorization_code", out authorizationCode))
{
tcs.TrySetException(new InvalidOperationException("Authentication failed: could not found \"authorization_code\"."));
}
else
{
tcs.TrySetResult(authorizationCode);
}
};
if (controller != null)
{
controller.DismissViewController(true, completed);
}
if (popover != null)
{
popover.Dismiss(true);
completed();
}
CurrentAuthenticator = null;
};
controller = view as UIViewController;
if (controller != null)
{
controller.PresentViewController(c, true, null);
}
else
{
UIView v = view as UIView;
UIBarButtonItem barButton = view as UIBarButtonItem;
popover = new UIPopoverController(c);
if (barButton != null)
{
popover.PresentFromBarButtonItem(barButton, UIPopoverArrowDirection.Any, true);
}
else
{
popover.PresentFromRect(rect, v, UIPopoverArrowDirection.Any, true);
}
}
return(tcs.Task);
}