adjutant/adjutant/api/utils.py

78 lines
2.3 KiB
Python

# Copyright (C) 2015 Catalyst IT Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from decorator import decorator
from rest_framework.response import Response
def require_roles(roles, func, *args, **kwargs):
"""
endpoints setup with this decorator require the defined roles.
"""
request = args[1]
req_roles = set(roles)
if not request.keystone_user.get('authenticated', False):
return Response({'errors': ["Credentials incorrect or none given."]},
401)
roles = set(request.keystone_user.get('roles', []))
if roles & req_roles:
return func(*args, **kwargs)
return Response({'errors': ["Must have one of the following roles: %s" %
list(req_roles)]}, 403)
@decorator
def mod_or_admin(func, *args, **kwargs):
"""
Require project_mod or project_admin.
Admin is allowed everything, so is also included.
"""
return require_roles(
{'project_admin', 'project_mod', 'admin'}, func, *args, **kwargs)
@decorator
def project_admin(func, *args, **kwargs):
"""
endpoints setup with this decorator require the admin/project admin role.
"""
return require_roles(
{'project_admin', 'admin'}, func, *args, **kwargs)
@decorator
def admin(func, *args, **kwargs):
"""
endpoints setup with this decorator require the admin role.
"""
return require_roles(
{'admin'}, func, *args, **kwargs)
@decorator
def authenticated(func, *args, **kwargs):
"""
endpoints setup with this decorator require the user to be signed in
"""
request = args[1]
if not request.keystone_user.get('authenticated', False):
return Response({'errors': ["Credentials incorrect or none given."]},
401)
return func(*args, **kwargs)