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UWP example: App with OAuth login

26.06.2018 (👁5103)


 

Shows how to connect to a web application with an OAuth interface.

 

#The example shows the connection of an app

Facebook, Twitter, Flickr and Google Services

 

 

To configure Google OAuth connections Auth0 with Google on the API Console.
- Log in to [API Console] (https://console.developers.google.com/)
- Complete information about your instance of Auth0.
- Enable the Google+ API.
- Set up Consent Screen.
- Get your ClientId and ClientSecret.
- Enable Admin SDK service.
 

 

Essential code sample

In Scenario Google

 

String GoogleURL = "https://accounts.google.com/o/oauth2/auth?client_id=" + Uri.EscapeDataString(GoogleClientID.Text) + "&redirect_uri=" + Uri.EscapeDataString(GoogleCallbackUrl.Text) + "&response_type=code&scope=" + Uri.EscapeDataString("http://picasaweb.google.com/data");

 

                Uri StartUri = new Uri(GoogleURL);

                // When using the desktop flow, the success code is displayed in the html title of this end uri

                Uri EndUri = new Uri("https://accounts.google.com/o/oauth2/approval");

 

                rootPage.NotifyUser("Navigating to: " + GoogleURL, NotifyType.StatusMessage);

 

                WebAuthenticationResult WebAuthenticationResult = await WebAuthenticationBroker.AuthenticateAsync(WebAuthenticationOptions.UseTitle, StartUri, EndUri);

                if (WebAuthenticationResult.ResponseStatus == WebAuthenticationStatus.Success)

                {

                    OutputToken(WebAuthenticationResult.ResponseData.ToString());

                }

                else if (WebAuthenticationResult.ResponseStatus == WebAuthenticationStatus.ErrorHttp)

                {

                    OutputToken("HTTP Error returned by AuthenticateAsync() : " + WebAuthenticationResult.ResponseErrorDetail.ToString());

                }

                else

                {

                    OutputToken("Error returned by AuthenticateAsync() : " + WebAuthenticationResult.ResponseStatus.ToString());

                }