I also found this and never discovered a good workround.
It would be nice if Fedora would ask for credentials and retry rather than
issuing a 401, but I couldn't see a way to make Spring Security (on which
it's built) do that?
My solution was to have the front-end UI authenticate with "anon" for anon
users and a username otherwise.
On 15 March 2013 02:42, Grotevant, Paul F <[email protected]> wrote:
> Good morning,
>
> We are exploring the use of XACML policies to require authentication on
> the disseminations of particular datastreams, to fulfill a project
> requirement that some kinds of content will require that the viewer be
> authenticated via our campus LDAP directory.
>
> To get started, I have created some sample XACML policies that
> successfully enforce the requirement of a particular "fedoraRole" in order
> to view a data stream with a particular ID, but I've found that if the
> user is not already authenticated when they request the datastream content
> URL, they don't get prompted to authenticate, but rather just get an empty
> page with a 401 HTTP status. If the user is already authenticated from a
> different request in the Fedora web UI, then the content gets served up
> correctly.
>
> I've seen how to require authentication for ALL API-A requests, but that's
> not what we want either, because ultimately I think the vast majority of
> objects in our repository will be public, and should not require any
> authentication.
>
> If anyone has advice on this, it would be much appreciated.
>
> Thanks,
> Paul
>
> --
> Paul Grotevant, Senior Software Developer/Analyst
> University of Texas Libraries / IT Architecture and Strategy
> [email protected]
> 512-495-4374
>
>
>
>
>
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