[jira] [Created] (CXF-6321) Make sure global JAX-RS filters are applied once per request even if made to sub-resource

["Dmitry Kozlov (JIRA)" <ji...@apache.org>]

Dmitry Kozlov created CXF-6321:
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             Summary: Make sure global JAX-RS filters are applied once per request even if made to sub-resource
                 Key: CXF-6321
                 URL: https://issues.apache.org/jira/browse/CXF-6321
             Project: CXF
          Issue Type: Improvement
          Components: JAX-RS
    Affects Versions: 3.0.4
            Reporter: Dmitry Kozlov


As of now CXF JAX-RS implementation applies global filters once per each (sub-)resource level.

E.g. with resources defined as below any global filter is applied twice on a call to sub-resource:
{code}
@Path("/groups")
public interface GroupsResource {
    @Path("/{id}/members")
    MembersResource membersOf(@PathParam("id") String id);
}

-----

public interface MembersResource {
    @GET
    @Path("/{memberId}")
    MemberInfo get(@PathParam("memberId") String id);
}

GET http://example.com/groups/123/members/456
{code}

This may feel counter-intuitive in some cases and introduces certain overhead. E.g. if you have your auth-filter defined as global.

Following our conversation in CXF-6297 could you please consider to change filter chain logic so that global filters are applied once per request disregard whether this request is made to a root resource or to a sub-resource of any level.

Filter should be called with a full request context including actual URI info and path params, as it would be a last filter invocation in current implementation. E.g. in example above {{uriInfo}} should be passed as {{/groups/123/members/456}} (not {{/main/123/members}}), and path params should have both {{id}} and {{memberId}}.



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