Two Discourses with SSO: avoid admin/moderator sync

support
1

We have two Discourses set up, where one uses SSO against the other one.
However, we do not want to synchronize admin and moderator privs, but they are synced every time a user logs in on the SSO client forum.

sso_overrides_groups has been disabled. It does not seem to work for admin and moderator privileges, when I look at the code those are implemented separately (https://github.com/discourse/discourse/blob/master/app/models/discourse_single_sign_on.rb#L78-L102)

Is this by design, or is this a bug? Does anyone know a way around this?

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Any thoughts on this @sam?

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We are going to need 2 extra site settings here:

https://github.com/discourse/discourse/blob/74c4ef6b5019b110819c24a4df8efc2b7e87ebd5/app/controllers/session_controller.rb#L62-L64

sso_provider_include_groups
sso_provider_include_staff_flags

I think the default is correct though.

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Is a PR for this still welcome @sam ?

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Yes, I support adding something here, it will clearly have to live on the consumer side. I do struggle a bit with naming though.

sso_sync_staff, sso_sync_groups maybe? Trouble with sso_sync_groups is that there is naming clash with sso_overrides_groups.

So maybe instead we go with sso_incoming_scopes with a default of staff,groups... then you can select which incoming scopes you allow.

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