On Fri, Jan 23, 2015 at 7:07 PM, Niels Charlier <ni...@scitus.be> wrote:
> Well I just had the idea that there could be a shortcut for specifying
> different rules for each layer in that workspace.
> To avoid confusion, we could have a separate symbol for this wildcard. For
> example:
>
> topp.%.wms.*.r=
>
> would be shortcut for specifying
>
> topp.layer1.wms.*.r=
> topp.layer2.wms.*.r=
> topp.layer3.wms.*.r=
> ...
>
The syntax you use is pretty much irrelevant, using * would be the same.
The thing is, you have to rewrite the authorization engine (the
SecureTreeNode class and their users), as a root to leaf walk will not be
possible anymore,
you'll basically have to scan all the rules linearly, collect the matchers,
and then figure out which one is the most specific one.
This will also make reasoning about the rules in the users mind more
difficult.
Either that, or you'll end up having to expand all possibilities and
maintain that expansion over time as layers
get added removed, with catalogs that have hundreds of thousands of items
it will simply become un-manageable,
meaning the security subsystem becomes suddenly unusable in those cases
(that we're pushing towards with
jdbcconfig, so it's not a made up use case...)
Cheers
Andrea
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