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#
# Copyright 2013 OpenStack Foundation
#
# 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 unittest import mock
import webob
from webob import exc
from heat.common import auth_url
from heat.tests import common
class FakeApp(object):
"""This represents a WSGI app protected by our auth middleware."""
def __call__(self, environ, start_response):
"""Assert that headers are correctly set up when finally called."""
resp = webob.Response()
resp.body = 'SUCCESS'.encode('latin-1')
return resp(environ, start_response)
class AuthUrlFilterTest(common.HeatTestCase):
def setUp(self):
super(AuthUrlFilterTest, self).setUp()
self.app = FakeApp()
self.config = {'auth_uri': 'foobar'}
self.middleware = auth_url.AuthUrlFilter(self.app, self.config)
@mock.patch.object(auth_url.cfg, 'CONF')
def test_adds_default_auth_url_from_clients_keystone(self, mock_cfg):
self.config = {}
mock_cfg.clients_keystone.auth_uri = 'foobar'
mock_cfg.keystone_authtoken.www_authenticate_uri = 'should-be-ignored'
mock_cfg.auth_password.multi_cloud = False
with mock.patch('keystoneauth1.discover.Discover') as discover:
class MockDiscover(object):
def url_for(self, endpoint):
return 'foobar/v3'
discover.return_value = MockDiscover()
self.middleware = auth_url.AuthUrlFilter(self.app, self.config)
req = webob.Request.blank('/tenant_id/')
self.middleware(req)
self.assertIn('X-Auth-Url', req.headers)
self.assertEqual('foobar/v3', req.headers['X-Auth-Url'])
@mock.patch.object(auth_url.cfg, 'CONF')
def test_adds_default_auth_url_from_keystone_authtoken(self, mock_cfg):
self.config = {}
mock_cfg.clients_keystone.auth_uri = ''
mock_cfg.keystone_authtoken.www_authenticate_uri = 'foobar'
mock_cfg.auth_password.multi_cloud = False
self.middleware = auth_url.AuthUrlFilter(self.app, self.config)
req = webob.Request.blank('/tenant_id/')
self.middleware(req)
self.assertIn('X-Auth-Url', req.headers)
self.assertEqual('foobar', req.headers['X-Auth-Url'])
def test_overwrites_auth_url_from_headers_with_local_config(self):
req = webob.Request.blank('/tenant_id/')
req.headers['X-Auth-Url'] = 'should_be_overwritten'
self.middleware(req)
self.assertEqual('foobar', req.headers['X-Auth-Url'])
def test_reads_auth_url_from_local_config(self):
req = webob.Request.blank('/tenant_id/')
self.middleware(req)
self.assertIn('X-Auth-Url', req.headers)
self.assertEqual('foobar', req.headers['X-Auth-Url'])
@mock.patch.object(auth_url.AuthUrlFilter, '_validate_auth_url')
@mock.patch.object(auth_url.cfg, 'CONF')
def test_multicloud_reads_auth_url_from_headers(self, mock_cfg, mock_val):
mock_cfg.auth_password.multi_cloud = True
mock_val.return_value = True
req = webob.Request.blank('/tenant_id/')
req.headers['X-Auth-Url'] = 'overwrites config'
self.middleware(req)
self.assertIn('X-Auth-Url', req.headers)
self.assertEqual('overwrites config', req.headers['X-Auth-Url'])
@mock.patch.object(auth_url.AuthUrlFilter, '_validate_auth_url')
@mock.patch.object(auth_url.cfg, 'CONF')
def test_multicloud_validates_auth_url(self, mock_cfg, mock_validate):
mock_cfg.auth_password.multi_cloud = True
req = webob.Request.blank('/tenant_id/')
self.middleware(req)
self.assertTrue(mock_validate.called)
def test_validate_auth_url_with_missing_url(self):
self.assertRaises(exc.HTTPBadRequest,
self.middleware._validate_auth_url,
auth_url='')
self.assertRaises(exc.HTTPBadRequest,
self.middleware._validate_auth_url,
auth_url=None)
@mock.patch.object(auth_url.cfg, 'CONF')
def test_validate_auth_url_with_url_not_allowed(self, mock_cfg):
mock_cfg.auth_password.allowed_auth_uris = ['foobar']
self.assertRaises(exc.HTTPUnauthorized,
self.middleware._validate_auth_url,
auth_url='not foobar')
@mock.patch.object(auth_url.cfg, 'CONF')
def test_validate_auth_url_with_valid_url(self, mock_cfg):
mock_cfg.auth_password.allowed_auth_uris = ['foobar']
self.assertTrue(self.middleware._validate_auth_url('foobar'))
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