Example #1
0
            public override bool ShouldOverrideUrlLoading(WebView view, string url)
            {
                Uri uri = new Uri(url);

                if (url.StartsWith(BrokerConstants.BrowserExtPrefix, StringComparison.OrdinalIgnoreCase))
                {
                    CallState.Default.Logger.Verbose(null, "It is browser launch request");
                    OpenLinkInBrowser(url, ((Activity)view.Context));
                    view.StopLoading();
                    ((Activity)view.Context).Finish();
                    return(true);
                }

                if (url.StartsWith(BrokerConstants.BrowserExtInstallPrefix, StringComparison.OrdinalIgnoreCase))
                {
                    CallState.Default.Logger.Verbose(null, "It is an azure authenticator install request");
                    view.StopLoading();
                    this.Finish(view, url);
                    return(true);
                }

                if (url.StartsWith(BrokerConstants.ClientTlsRedirect, StringComparison.OrdinalIgnoreCase))
                {
                    string query = uri.Query;
                    if (query.StartsWith("?"))
                    {
                        query = query.Substring(1);
                    }

                    Dictionary <string, string> keyPair = EncodingHelper.ParseKeyValueList(query, '&', true, false, null);
                    string responseHeader = DeviceAuthHelper.CreateDeviceAuthChallengeResponse(keyPair).Result;
                    Dictionary <string, string> pkeyAuthEmptyResponse = new Dictionary <string, string>();
                    pkeyAuthEmptyResponse[BrokerConstants.ChallangeResponseHeader] = responseHeader;
                    view.LoadUrl(keyPair["SubmitUrl"], pkeyAuthEmptyResponse);
                    return(true);
                }

                if (url.StartsWith(callback, StringComparison.OrdinalIgnoreCase))
                {
                    this.Finish(view, url);
                    return(true);
                }


                if (!url.Equals(AboutBlankUri, StringComparison.OrdinalIgnoreCase) && !uri.Scheme.Equals(Uri.UriSchemeHttps, StringComparison.OrdinalIgnoreCase))
                {
                    UriBuilder errorUri = new UriBuilder(callback);
                    errorUri.Query = string.Format(CultureInfo.InvariantCulture, "error={0}&error_description={1}",
                                                   AdalError.NonHttpsRedirectNotSupported, AdalErrorMessage.NonHttpsRedirectNotSupported);
                    this.Finish(view, errorUri.ToString());
                    return(true);
                }


                return(false);
            }
Example #2
0
        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            View.BackgroundColor = UIColor.White;

            webView = new UIWebView(View.Bounds);
            webView.ShouldStartLoad = (wView, request, navType) =>
            {
                if (request == null)
                {
                    return(true);
                }

                string requestUrlString = request.Url.ToString();

                // If the URL has the browser:// scheme then this is a request to open an external browser
                if (requestUrlString.StartsWith(BrokerConstants.BrowserExtPrefix, StringComparison.OrdinalIgnoreCase))
                {
                    DispatchQueue.MainQueue.DispatchAsync(() => CancelAuthentication(null, null));

                    // Build the HTTPS URL for launching with an external browser
                    var httpsUrlBuilder = new UriBuilder(requestUrlString)
                    {
                        Scheme = Uri.UriSchemeHttps
                    };
                    requestUrlString = httpsUrlBuilder.Uri.AbsoluteUri;

                    DispatchQueue.MainQueue.DispatchAsync(
                        () => UIApplication.SharedApplication.OpenUrl(new NSUrl(requestUrlString)));
                    this.DismissViewController(true, null);
                    return(false);
                }

                if (requestUrlString.StartsWith(callback, StringComparison.OrdinalIgnoreCase) ||
                    requestUrlString.StartsWith(BrokerConstants.BrowserExtInstallPrefix, StringComparison.OrdinalIgnoreCase))
                {
                    callbackMethod(new AuthorizationResult(AuthorizationStatus.Success, request.Url.ToString()));
                    this.DismissViewController(true, null);
                    return(false);
                }

                if (requestUrlString.StartsWith(BrokerConstants.DeviceAuthChallengeRedirect, StringComparison.OrdinalIgnoreCase))
                {
                    Uri    uri   = new Uri(requestUrlString);
                    string query = uri.Query;
                    if (query.StartsWith("?", StringComparison.OrdinalIgnoreCase))
                    {
                        query = query.Substring(1);
                    }

                    Dictionary <string, string> keyPair = EncodingHelper.ParseKeyValueList(query, '&', true, false, null);
                    string responseHeader = DeviceAuthHelper.CreateDeviceAuthChallengeResponse(keyPair).Result;

                    NSMutableUrlRequest newRequest = (NSMutableUrlRequest)request.MutableCopy();
                    newRequest.Url = new NSUrl(keyPair["SubmitUrl"]);
                    newRequest[BrokerConstants.ChallengeResponseHeader] = responseHeader;
                    wView.LoadRequest(newRequest);
                    return(false);
                }

                if (!request.Url.AbsoluteString.Equals(AboutBlankUri, StringComparison.OrdinalIgnoreCase) &&
                    !request.Url.Scheme.Equals(Uri.UriSchemeHttps, StringComparison.OrdinalIgnoreCase))
                {
                    AuthorizationResult result = new AuthorizationResult(AuthorizationStatus.ErrorHttp);
                    result.Error            = AdalError.NonHttpsRedirectNotSupported;
                    result.ErrorDescription = AdalErrorMessage.NonHttpsRedirectNotSupported;
                    callbackMethod(result);
                    this.DismissViewController(true, null);
                    return(false);
                }

                return(true);
            };

            webView.LoadFinished += delegate
            {
                // If the title is too long, iOS automatically truncates it and adds ...
                this.Title = webView.EvaluateJavascript(@"document.title") ?? "Sign in";
            };

            View.AddSubview(webView);

            this.NavigationItem.LeftBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Cancel,
                                                                        this.CancelAuthentication);

            webView.LoadRequest(new NSUrlRequest(new NSUrl(this.url)));

            // if this is false, page will be 'zoomed in' to normal size
            //webView.ScalesPageToFit = true;
        }