Resolve "Provide URL representation for every object"

Closes #871 (closed)

aleksis/core/views.py

@@ -1608,7 +1608,12 @@ class ObjectRepresentationView(View):
             authenticator_class = ObjectAuthenticator.get_object_by_name(authenticator)
             if not authenticator_class:
                 continue
-            if authenticator_class().authenticate(request, self.object):
+            obj = authenticator_class().authenticate(request, self.object)
+            if obj:
+                if self.object is None:
+                    self.object = obj
+                elif obj != self.object:
+                    raise BadRequest("Ambiguous objects identified")
                 return True
 
         raise PermissionDenied()