Narrow the actor types accepted for RBAC evaluations (ansible#14709)

* Narrow the scope of RBAC evaluations

* Update tests for RBAC method changes

* Simplify querset for credentials in org

* Fix call pattern to pass in team role obj

awx/api/views/__init__.py

@@ -742,8 +742,8 @@ def get_queryset(self):
         qs = self.request.user.get_queryset(self.model)
         return qs.filter(
             Q(team=parent)
-            | Q(project__in=models.Project.accessible_objects(parent, 'read_role'))
-            | Q(credential__in=models.Credential.accessible_objects(parent, 'read_role'))
+            | Q(project__in=models.Project.accessible_objects(parent.member_role, 'read_role'))
+            | Q(credential__in=models.Credential.accessible_objects(parent.member_role, 'read_role'))
         )
 
 
@@ -1397,7 +1397,7 @@ def get_queryset(self):
         self.check_parent_access(organization)
 
         user_visible = models.Credential.accessible_objects(self.request.user, 'read_role').all()
-        org_set = models.Credential.accessible_objects(organization.admin_role, 'read_role').all()
+        org_set = models.Credential.objects.filter(organization=organization)
 
         if self.request.user.is_superuser or self.request.user.is_system_auditor:
             return org_set

awx/main/models/mixins.py

@@ -9,7 +9,6 @@
 # Django
 from django.apps import apps
 from django.conf import settings
-from django.contrib.auth.models import User  # noqa
 from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ValidationError
 from django.db import models
@@ -69,8 +68,7 @@ def _accessible_pk_qs(cls, accessor, role_field, content_types=None):
         elif type(accessor) == Role:
             ancestor_roles = [accessor]
         else:
-            accessor_type = ContentType.objects.get_for_model(accessor)
-            ancestor_roles = Role.objects.filter(content_type__pk=accessor_type.id, object_id=accessor.id)
+            raise RuntimeError(f'Role filters only valid for users and ancestor role, received {accessor}')
 
         if content_types is None:
             ct_kwarg = dict(content_type_id=ContentType.objects.get_for_model(cls).id)

awx/main/models/rbac.py

@@ -15,7 +15,6 @@
 
 # AWX
 from awx.api.versioning import reverse
-from django.contrib.auth.models import User  # noqa
 
 __all__ = [
     'Role',
@@ -171,14 +170,8 @@ def get_absolute_url(self, request=None):
     def __contains__(self, accessor):
         if accessor._meta.model_name == 'user':
             return self.ancestors.filter(members=accessor).exists()
-        elif accessor.__class__.__name__ == 'Team':
-            return self.ancestors.filter(pk=accessor.member_role.id).exists()
-        elif type(accessor) == Role:
-            return self.ancestors.filter(pk=accessor.pk).exists()
         else:
-            accessor_type = ContentType.objects.get_for_model(accessor)
-            roles = Role.objects.filter(content_type__pk=accessor_type.id, object_id=accessor.id)
-            return self.ancestors.filter(pk__in=roles).exists()
+            raise RuntimeError(f'Role evaluations only valid for users, received {accessor}')
 
     @property
     def name(self):

awx/main/tests/functional/test_rbac_core.py

@@ -208,6 +208,6 @@ def test_auto_parenting():
 @pytest.mark.django_db
 def test_update_parents_keeps_teams(team, project):
     project.update_role.parents.add(team.member_role)
-    assert team.member_role in project.update_role  # test prep sanity check
+    assert list(Project.accessible_objects(team.member_role, 'update_role')) == [project]  # test prep sanity check
     update_role_parentage_for_instance(project)
-    assert team.member_role in project.update_role  # actual assertion
+    assert list(Project.accessible_objects(team.member_role, 'update_role')) == [project]  # actual assertion

awx/main/tests/functional/test_rbac_team.py

@@ -92,7 +92,7 @@ def test_team_accessible_by(team, user, project):
     u = user('team_member', False)
 
     team.member_role.children.add(project.use_role)
-    assert team in project.read_role
+    assert list(Project.accessible_objects(team.member_role, 'read_role')) == [project]
     assert u not in project.read_role
 
     team.member_role.members.add(u)
@@ -104,7 +104,7 @@ def test_team_accessible_objects(team, user, project):
     u = user('team_member', False)
 
     team.member_role.children.add(project.use_role)
-    assert len(Project.accessible_objects(team, 'read_role')) == 1
+    assert len(Project.accessible_objects(team.member_role, 'read_role')) == 1
     assert not Project.accessible_objects(u, 'read_role')
 
     team.member_role.members.add(u)