Allow a user outside of Google SSO to log in?

we use Google SSO to log into our Jupyter Hub. All is good and works great.

Now I have a contractor joining the team, who will not be part of our Google Workspace domain.

Is there a way in Jupyter Hub itself to allow login for such a user?
Or something to do in Google Workspace to allow to use the same OAuth setup but for a whilelisted email address outside of our domain?

I can’t think of an easy way… maybe others have an idea?

There’s a discussion about adding a new Authenticator that allows you to choose between multiple authenticators, but that’s still in development:

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thanks for the pointer.

Good to see there is already extensive work being done on this and interest from multiple people.