static async Task <WebAuthenticatorResult> PlatformAuthenticateAsync(Options options)
{
if (DeviceInfo.Version.Major < 13)
{
throw new FeatureNotSupportedException();
}
var provider = new ASAuthorizationAppleIdProvider();
var req = provider.CreateRequest();
authManager = new AuthManager(Platform.GetCurrentWindow());
var scopes = new List <ASAuthorizationScope>();
if (options.IncludeFullNameScope)
{
scopes.Add(ASAuthorizationScope.FullName);
}
if (options.IncludeEmailScope)
{
scopes.Add(ASAuthorizationScope.Email);
}
req.RequestedScopes = scopes.ToArray();
var controller = new ASAuthorizationController(new[] { req });
controller.Delegate = authManager;
controller.PresentationContextProvider = authManager;
controller.PerformRequests();
var creds = await authManager.GetCredentialsAsync();
if (creds == null)
{
return(null);
}
var idToken = new NSString(creds.IdentityToken, NSStringEncoding.UTF8).ToString();
var authCode = new NSString(creds.AuthorizationCode, NSStringEncoding.UTF8).ToString();
var name = NSPersonNameComponentsFormatter.GetLocalizedString(creds.FullName, NSPersonNameComponentsFormatterStyle.Default, 0);
var appleAccount = new WebAuthenticatorResult();
appleAccount.Properties.Add("id_token", idToken);
appleAccount.Properties.Add("authorization_code", authCode);
appleAccount.Properties.Add("state", creds.State);
appleAccount.Properties.Add("email", creds.Email);
appleAccount.Properties.Add("user_id", creds.User);
appleAccount.Properties.Add("name", name);
appleAccount.Properties.Add("realuserstatus", creds.RealUserStatus.ToString());
return(appleAccount);
}
static Task PlatformShowRequestAsync(ShareRequestBase request, List <NSObject> items)
{
var window = Platform.GetCurrentWindow();
var view = window.ContentView;
var rect = request.PresentationSourceBounds.ToPlatformRectangle();
rect.Y = view.Bounds.Height - rect.Bottom;
var picker = new NSSharingServicePicker(items.ToArray());
picker.ShowRelativeToRect(rect, view, NSRectEdge.MinYEdge);
return(Task.CompletedTask);
}
internal static async Task <WebAuthenticatorResult> PlatformAuthenticateAsync(Uri url, Uri callbackUrl)
{
// Cancel any previous task that's still pending
if (tcsResponse?.Task != null && !tcsResponse.Task.IsCompleted)
{
tcsResponse.TrySetCanceled();
}
tcsResponse = new TaskCompletionSource <WebAuthenticatorResult>();
redirectUri = callbackUrl;
try
{
var scheme = redirectUri.Scheme;
if (!VerifyHasUrlSchemeOrDoesntRequire(scheme))
{
tcsResponse.TrySetException(new InvalidOperationException("You must register your URL Scheme handler in your app's Info.plist!"));
return(await tcsResponse.Task);
}
#if __IOS__
void AuthSessionCallback(NSUrl cbUrl, NSError error)
{
if (error == null)
{
OpenUrl(cbUrl);
}
else
{
tcsResponse.TrySetException(new NSErrorException(error));
}
}
if (UIDevice.CurrentDevice.CheckSystemVersion(12, 0))
{
was = new ASWebAuthenticationSession(new NSUrl(url.OriginalString), scheme, AuthSessionCallback);
if (UIDevice.CurrentDevice.CheckSystemVersion(13, 0))
{
var ctx = new ContextProvider(Platform.GetCurrentWindow());
void_objc_msgSend_IntPtr(was.Handle, ObjCRuntime.Selector.GetHandle("setPresentationContextProvider:"), ctx.Handle);
}
using (was)
{
was.Start();
return(await tcsResponse.Task);
}
}
if (UIDevice.CurrentDevice.CheckSystemVersion(11, 0))
{
sf = new SFAuthenticationSession(new NSUrl(url.OriginalString), scheme, AuthSessionCallback);
using (sf)
{
sf.Start();
return(await tcsResponse.Task);
}
}
// THis is only on iOS9+ but we only support 10+ in Essentials anyway
var controller = new SFSafariViewController(new NSUrl(url.OriginalString), false)
{
Delegate = new NativeSFSafariViewControllerDelegate
{
DidFinishHandler = (svc) =>
{
// Cancel our task if it wasn't already marked as completed
if (!(tcsResponse?.Task?.IsCompleted ?? true))
{
tcsResponse.TrySetException(new OperationCanceledException());
}
}
},
};
currentViewController = controller;
await Platform.GetCurrentUIViewController().PresentViewControllerAsync(controller, true);
return(await tcsResponse.Task);
#else
var opened = UIApplication.SharedApplication.OpenUrl(url);
if (!opened)
{
tcsResponse.TrySetException(new Exception("Error opening Safari"));
}
#endif
}
catch (Exception ex)
{
tcsResponse.TrySetException(ex);
}
return(await tcsResponse.Task);
}
