PHP 5 CMS Framework Development: Access Control
Nov 03, 2008, 23:03 (0 Talkback[s])
(Other stories by Martin Brampton)
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"As RBAC can operate at a much more general level than ACL, it
will often happen that one role embraces another. Suppose we think
of the example of a hospital, the role of consultant might include
the role of doctor. Not everyone who has the role of doctor would
have the role of consultant. But all consultants are doctors.
"At present, Aliro implements hierarchy purely for backwards
compatibility with the Mambo, and Joomla! schemes, where there is a
strict hierarchy of roles for ACL. The ability to extend hierarchy
more generally is feasible, given the Aliro implementation, and may
be added at some point."