Hi Kevin,
the current security mechanism in GeoServer work off an Authentication,
this one
seems to be based on Spring own SecurityContext, but the API you shown says
that's an Object....
Can you clarify how that fits toghether and the rationale behind the
different approach?
Cheers
Andrea
On Fri, Jun 16, 2017 at 12:46 AM, Kevin Smith <smit...@draconic.ca> wrote:
> https://github.com/geoserver/geoserver/wiki/GSIP-159
>
> GeoServer currently uses a rather ugly and brittle mechanism to apply data
> security (Certain users should only be able to view certain layers or
> certain parts of layers) to the service endpoints of its internal GWC
> instance.
>
> This proposal is to add an API to GeoWebCache to do security checks which
> GeoServer can extend to apply its own security rules deeper inside GWC,
> after the service endpoints have parsed the request into a universal
> Conveyor object.
>
>
> Filter to check that the request is allowed.
>
> interface SecurityFilter {
> public void checkSecurity(TileLayer layer, BoundingBox extent, SRS srs,
> Object securityContext) throws SecurityException;
> }
>
> Extension point that the GeoWebCacheDispatcher can call to generate
> appropriate security context object to be stored on the resulting Conveyor
>
> interface SecurityContextProvider<Context> {
> public Context getSecurityContext(HttpRequest request)
> }
>
> Add accessors for a securityContext property to Conveyor.
> GeoWebCacheDispatcher calls Service.getConveyor to get a Conveyor, then
> handles it. The context would be attached in between those steps.
>
> conv = service.getConveyor(request, response);
> securityContext = securityContextProvider.getSecurityContext(request);
> conv.setSecurityContext(securityContext);
>
> Add a SecurityException class. Allow it to wrap another exception so it
> can wrap the GeoServer one, which might then be extracted if need be. Amend
> method signatures to allow throwing this exception.
>
>
> --
> Kevin Michael Smith<smit...@draconic.ca> <smit...@draconic.ca>
>
>
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