google app engine - Gadget OAuth2 from OpenID Authentication -
i updating app oauth2 , have few questions.
email address user id in our application.
- as explained in old docs openid association user id in our app, showing popup storing open_social_id in database , creating temp session key. after user associated, adding open_social_id next user id looking @ temp session key. was/is working fine. https://developers.google.com/google-apps/marketplace/best_practices#gadget_sso
but oauth2, since email address (from contacts scope of current user logged in), trying figure out how authenticate @ server? should accompany email address open_social_id , rely on open_social_id everytime in future? right way?
or should add oauth2 proxy @ server allow access right scope.
thanks.
you don't have change much.
in old setup, displayed popup passed through openid user's identity , e-mail address.
in new setup, show popup oauth2 dance user's identity , e-mail address.
because scopes pre-authorized, end user not see consent screen , end user's perspective, nothing changes.
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