def get_principals_with_access_content(obj):
if obj is None:
return {}
active_roles = get_principals_with_access_content(
removeSecurityProxy(getattr(obj, '__parent__', None)))
prinperm = IPrincipalPermissionMap(obj)
for role, permission in prinperm.getRow('plone.AccessContent'):
active_roles[role] = permission
return active_roles
