Description
the JCR access control management mandates that adding a new ACE includes validating if the specified principal is known to the repository.
however, the ac-importer in jackrabbit is more relaxed with validation and allows to create ACE even for unknown principals. this basically leaves us with an inconsistent behavior between xml-import and calls to ac-management API directly.
also note, that principal validation is only done when applying and ACL via API but not when removing a principal.
in order to fix that i would suggest the following approach:
- add a new configuration parameter to the ACLProvider: "allow-unknown-principals"
- make the import behavior independent of the principal manager
- respect this configuration when checking the ACL templates
this will change the default behavior of the XML import of access controlled content. as this is a problem for backward compatibility, we additionally add a "importBehavior" property to the ACL importer that has a default "besteffort" import mode where the principals check is bypassed (as in the current implementation)
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- is required by
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JCRVLT-25 Implement AccessControllHandling MERGE and MERGE_PRESERVE
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- Closed
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