We have a gmail gadget in apps marketplace that use SSO authorization described on this link: https://developers.google.com/google-apps/marketplace/best_practices?csw=1#gadget_sso. With recent update of marketplace is gadget flow will be updated to OAuth2 or it will stay the same?
If yes, then what is the deadline for the migration? I wasn't able to find this on the documentation about release.
Thank you!
In the new marketplace setup, you still have to use a popup to setup the correlation between the opensocial Id and the google user. But the popup will no longer use OpenId/SSO to identify the user to the application. Instead these two OAUTH2 scopes are pre-authorized :
https://www.googleapis.com/auth/userinfo.email
https://www.googleapis.com/auth/userinfo.profile
and that's enough to get the identity of the user.