Stefano-
  Depending on how much you need to have both XACML and the external
authorization, you could probably just implement alternative authorization
filters and wire them into the Spring configuration. With a couple of
noteworthy exceptions, FESL expects the filters to do the authZ work (and
deal directly with the XACML machinery).

- Ben


On Thu, May 16, 2013 at 12:17 PM, Stefano Cossu <[email protected]> wrote:

> Hi there,
> My team and I are building a Fedora repository and we are starting to
> wrap our heads around FeSL and the XACML specifications.
>
> The repository we are building has to necessarily rely on an external
> application to apply some of its policies. The external application
> should be accessed via HTTP request with something like: "Can user John
> Doe read the EXIF data for image 12345ABC?" and receive a positive or
> negative outcome which will determine the result of the authorization
> policy. I have looked around on how to do this, but I'm not sure about
> how to approach the problem.
>
> Any suggestions?
>
> Thanks
> Stefano
>
>
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