Clean up API policy decorators

The decorators for unregistered policies were needed only during the
migration to policy in code. Remove the unused ones and simplify those
remaining.

Change-Id: Ic53fcc62db46863c6a2b00cbc7e32250a7d6e16f

heat/api/openstack/v1/util.py

@@ -19,17 +19,6 @@ from heat.common.i18n import _
 from heat.common import identifier
 
 
-def policy_enforce(handler):
-    """Decorator that enforces policies.
-
-    Checks the path matches the request context and enforce policy defined in
-    policy.json or in policies.
-
-    This is a handler method decorator.
-    """
-    return _policy_enforce(handler)
-
-
 def registered_policy_enforce(handler):
     """Decorator that enforces policies.
 
@@ -38,10 +27,6 @@ def registered_policy_enforce(handler):
 
     This is a handler method decorator.
     """
-    return _policy_enforce(handler, is_registered_policy=True)
-
-
-def _policy_enforce(handler, is_registered_policy=False):
     @functools.wraps(handler)
     def handle_stack_method(controller, req, tenant_id, **kwargs):
         if req.context.tenant_id != tenant_id and not req.context.is_admin:
@@ -50,7 +35,7 @@ def _policy_enforce(handler, is_registered_policy=False):
             context=req.context,
             action=handler.__name__,
             scope=controller.REQUEST_SCOPE,
-            is_registered_policy=is_registered_policy)
+            is_registered_policy=True)
         if not allowed:
             raise exc.HTTPForbidden()
         return handler(controller, req, **kwargs)
@@ -58,26 +43,16 @@ def _policy_enforce(handler, is_registered_policy=False):
     return handle_stack_method
 
 
-def identified_stack(handler):
-    """Decorator that passes a stack identifier instead of path components.
-
-    This is a handler method decorator.
-    """
-
-    return _identified_stack(handler)
-
-
 def registered_identified_stack(handler):
     """Decorator that passes a stack identifier instead of path components.
 
-    This is a handler method decorator.
+    This is a handler method decorator. Policy is enforced using a registered
+    policy name.
     """
-
-    return _identified_stack(handler, is_registered_policy=True)
+    return registered_policy_enforce(_identified_stack(handler))
 
 
-def _identified_stack(handler, is_registered_policy=False):
-
+def _identified_stack(handler):
     @functools.wraps(handler)
     def handle_stack_method(controller, req, stack_name, stack_id, **kwargs):
         stack_identity = identifier.HeatIdentifier(req.context.tenant_id,
@@ -85,8 +60,7 @@ def _identified_stack(handler, is_registered_policy=False):
                                                    stack_id)
         return handler(controller, req, dict(stack_identity), **kwargs)
 
-    return _policy_enforce(handle_stack_method,
-                           is_registered_policy=is_registered_policy)
+    return handle_stack_method
 
 
 def make_url(req, identity):

heat/tests/api/openstack_v1/test_util.py

@@ -93,7 +93,7 @@ class TestPolicyEnforce(common.HeatTestCase):
         class DummyController(object):
             REQUEST_SCOPE = 'test'
 
-            @util.policy_enforce
+            @util.registered_policy_enforce
             def an_action(self, req):
                 return 'woot'