Barbara Eckman created RANGER-3855:
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Summary: RangerExternalUserStoreRetriever class
Key: RANGER-3855
URL: https://issues.apache.org/jira/browse/RANGER-3855
Project: Ranger
Issue Type: New Feature
Components: plugins, Ranger
Affects Versions: 3.0.0
Reporter: Barbara Eckman
Ranger version 3.0.0 provides a means, via a context enricher, to add or
retrieve attributes to the database of users for whom Ranger controls access.
This permits syntax like ${\{USER.aliases}}.includes("Dumbo") in any Ranger
policy condition, including row and tag filters. This greatly enhances the
ability to provide custom Attribute-based Access Control based on the specific
business needs of one's organization.
I believe that the original assumption was that such attributes would be added
to AD/LDAP and enter Ranger via regular user sync's. However, this process does
not currently work with Azure AD, which many organizations use. Neither does it
provide timely support for organizations for whom adding each new attribute to
AD would be subject to prolonged scrutiny by overworked security teams.
In the spirit of the RangerAdminUserStoreRetriever context enricher, we have
written a RangerExternalUserStoreRetriever class which adds arbitrary
attributes to Ranger users via external API calls, thus freeing additions to
the UserStore from dependency on AD/LDAP.
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