User_id: A string that uniquely identifies a single Google user. Information contained in the token via the following instance methods: The GoogleSignIn::Identity class decodes and verifies the integrity of a Google ID token. We enforce this before redirecting to the proceed_to URL to guard against This means it must have the same protocol, host, and port as the page where (The above example assumes the user has already signed up for your service and that you’re storing their Google user IDįor security reasons, the proceed_to URL you provide to google_sign_in_button is required to reside on the same error "Google authentication error: #" nil end end end find_by google_id: GoogleSignIn:: Identity. id redirect_to user else redirect_to new_session_url, alert: 'authentication_failed' end end private def authenticate_with_google if id_token = flash User. # app/controllers/logins_controller.rb class LoginsController < ApplicationController def new end def create if user = authenticate_with_google cookies.
Run bin/rails credentials:edit to edit yourĪpp’s encrypted credentials and add the following: With your client ID set up, configure your Rails application to use it. Repeat these instructions to set up a new client ID for development.Ĭlick the button labeled “Create.” You’ll be presented with a client ID and client secret. For security reasons, we recommend using a separateĬlient ID for local development. To use Google sign-in in development, you’ll need to add another redirect URI for your local environment, like Under Authorized redirect URIs,Īdd that callback for your application’s domain: for example. This gem adds a single OAuth callback to your app at /google_sign_in/callback. When prompted to select an application type, select Web application. In the left-side navigation menu, choose APIs & Services → Credentials.Ĭlick the button labeled “Create credentials.” In the menu that appears, choose to create an OAuth client ID. In the projects menu at the top of the page, ensure the correct project is selected or create a new one. Configurationįirst, set up an OAuth 2.0 Client ID in the Google API Console: Google Sign-In for Rails requires Rails 5.2 or newer.
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