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# Copyright (c) 2014 OpenStack Foundation
# All Rights Reserved.
#
# 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.
import mock
import webob
from pycadf.audit import api as cadf_api
from pycadf.middleware import audit
from pycadf.tests import base
class FakeApp(object):
def __call__(self, env, start_response):
body = 'Some response'
start_response('200 OK', [
('Content-Type', 'text/plain'),
('Content-Length', str(sum(map(len, body))))
])
return [body]
class FakeFailingApp(object):
def __call__(self, env, start_response):
raise Exception("It happens!")
@mock.patch('oslo.messaging.get_transport', mock.MagicMock())
class AuditMiddlewareTest(base.TestCase):
ENV_HEADERS = {'HTTP_X_SERVICE_CATALOG':
'''[{"endpoints_links": [],
"endpoints": [{"adminURL":
"http://host:8774/v2/admin",
"region": "RegionOne",
"publicURL":
"http://host:8774/v2/public",
"internalURL":
"http://host:8774/v2/internal",
"id": "resource_id"}],
"type": "compute",
"name": "nova"},]''',
'HTTP_X_USER_ID': 'user_id',
'HTTP_X_USER_NAME': 'user_name',
'HTTP_X_AUTH_TOKEN': 'token',
'HTTP_X_PROJECT_ID': 'tenant_id',
'HTTP_X_IDENTITY_STATUS': 'Confirmed'}
def setUp(self):
super(AuditMiddlewareTest, self).setUp()
self.map_file = 'etc/pycadf/nova_api_audit_map.conf'
def test_api_request(self):
middleware = audit.AuditMiddleware(
FakeApp(),
audit_map_file='etc/pycadf/nova_api_audit_map.conf',
service_name='pycadf')
self.ENV_HEADERS['REQUEST_METHOD'] = 'GET'
req = webob.Request.blank('/foo/bar',
environ=self.ENV_HEADERS)
with mock.patch('oslo.messaging.Notifier.info') as notify:
middleware(req)
# Check first notification with only 'request'
call_args = notify.call_args_list[0][0]
self.assertEqual(call_args[1], 'http.request')
self.assertEqual(set(call_args[2].keys()),
set(['request']))
request = call_args[2]['request']
self.assertEqual(request['PATH_INFO'], '/foo/bar')
self.assertEqual(request['REQUEST_METHOD'], 'GET')
self.assertIn('CADF_EVENT', request)
self.assertEqual(request['CADF_EVENT']['outcome'], 'pending')
# Check second notification with request + response
call_args = notify.call_args_list[1][0]
self.assertEqual(call_args[1], 'http.response')
self.assertEqual(set(call_args[2].keys()),
set(['request', 'response']))
request = call_args[2]['request']
self.assertEqual(request['PATH_INFO'], '/foo/bar')
self.assertEqual(request['REQUEST_METHOD'], 'GET')
self.assertIn('CADF_EVENT', request)
self.assertEqual(request['CADF_EVENT']['outcome'], 'success')
def test_api_request_failure(self):
middleware = audit.AuditMiddleware(
FakeFailingApp(),
audit_map_file='etc/pycadf/nova_api_audit_map.conf',
service_name='pycadf')
self.ENV_HEADERS['REQUEST_METHOD'] = 'GET'
req = webob.Request.blank('/foo/bar',
environ=self.ENV_HEADERS)
with mock.patch('oslo.messaging.Notifier.info') as notify:
try:
middleware(req)
self.fail("Application exception has not been re-raised")
except Exception:
pass
# Check first notification with only 'request'
call_args = notify.call_args_list[0][0]
self.assertEqual(call_args[1], 'http.request')
self.assertEqual(set(call_args[2].keys()),
set(['request']))
request = call_args[2]['request']
self.assertEqual(request['PATH_INFO'], '/foo/bar')
self.assertEqual(request['REQUEST_METHOD'], 'GET')
self.assertIn('CADF_EVENT', request)
self.assertEqual(request['CADF_EVENT']['outcome'], 'pending')
# Check second notification with request + response
call_args = notify.call_args_list[1][0]
self.assertEqual(call_args[1], 'http.response')
self.assertEqual(set(call_args[2].keys()),
set(['request', 'exception']))
request = call_args[2]['request']
self.assertEqual(request['PATH_INFO'], '/foo/bar')
self.assertEqual(request['REQUEST_METHOD'], 'GET')
self.assertIn('CADF_EVENT', request)
self.assertEqual(request['CADF_EVENT']['outcome'], 'unknown')
def test_process_request_fail(self):
def func_error(self, req):
raise Exception('error')
self.stubs.Set(cadf_api.OpenStackAuditApi, 'append_audit_event',
func_error)
middleware = audit.AuditMiddleware(
FakeApp(),
audit_map_file='etc/pycadf/nova_api_audit_map.conf',
service_name='pycadf')
req = webob.Request.blank('/foo/bar',
environ={'REQUEST_METHOD': 'GET'})
middleware.process_request(req)
def test_process_response_fail(self):
def func_error(self, req, res):
raise Exception('error')
self.stubs.Set(cadf_api.OpenStackAuditApi, 'mod_audit_event',
func_error)
middleware = audit.AuditMiddleware(
FakeApp(),
audit_map_file='etc/pycadf/nova_api_audit_map.conf',
service_name='pycadf')
req = webob.Request.blank('/foo/bar',
environ={'REQUEST_METHOD': 'GET'})
middleware.process_response(req, webob.response.Response())
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