Assent v0.1.4 Assent.Strategy.Google View Source
Google OAuth 2.0 strategy.
In the normalized user response a
google_hd ("Hosted Domain") field is
included in user parameters and can be used to limit access to users
belonging to a particular hosted domain.
config = [ client_id: "REPLACE_WITH_CLIENT_ID", client_secret: "REPLACE_WITH_CLIENT_SECRET" ]