[jira] [Created] (OAK-4101) Consider separate external (group) principal management

["angela (JIRA)" <ji...@apache.org>]

angela created OAK-4101:
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             Summary: Consider separate external (group) principal management
                 Key: OAK-4101
                 URL: https://issues.apache.org/jira/browse/OAK-4101
             Project: Jackrabbit Oak
          Issue Type: Task
          Components: auth-external
            Reporter: angela
            Assignee: angela


Given the fact that user management is delegated to an external IDP provider, we might reconsider the current approach that attempts to synchronize user and particularly group and their membership into the repository.

What would left with the repository is a dedicated {{PrincipalProvider}} for external groups (and maybe even users at a later stage), making sure that
- the {{Subject}} is properly populated with {{Principal}}s upon login
- access control can still be properly setup and managed in the repository for the principals defined in the external IDP.

the consequences would be:
- external groups (and potentially) users would no longer made available to the default user management implementation. alternatively: make them available as read-only stub i.e. group-membership as defined by the IDP could no longer be changed/manipulated in the reposiotry.
- they are however exposed as principals to assert proper authentication + authorization. Note: any UI that properly reflects the fact that access control is being edited for principals (and not for users/groups) would not be affected at all; others might need to be adjusted to additionally support ac management based on the {{PrincipalManager}}

will try to come up with a POC as soon as I find some time.



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