This is an example project demonstrating how to configure and use the OAuth services provided by Google, i.e. how to enable 'Login with Google' functionality in Vaadin apps.

NOTE To run this example, you will need to apply for an API key from Google and add it to the application.properties file under src/main/resources. Please follow this tutorial for instructions on how to do that, and more information about how this example works. Depending on how/if you deploy your app a better option can be to pass API key & secret as an environment variable.

For local testing, you can add http://localhost:8080 to the URIs section and http://localhost:8080/login/oauth2/code/google to the Authorized URIs section in the Google API dashboard once you have created a key. You will still need an Authorized URL that is not localhost for the API Key to work; these are just for convenience.

Import the project to the IDE of your choosing as a Maven project.

Run the application using mvn spring-boot:run or by running the Application class directly from your IDE.

Open http://localhost:8080/ in your browser.

If you want to run the application locally in the production mode, run mvn spring-boot:run -Pproduction.

• Vaadin documentation
• Vaadin View-Based Access Control article in the documentation