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# Copyright 2012 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.
import mock
from oslo_serialization import jsonutils
import requests
import six
import webob
from keystonemiddleware import ec2_token
from keystonemiddleware.tests.unit import utils
TOKEN_ID = 'fake-token-id'
EMPTY_RESPONSE = {}
class FakeResponse(object):
reason = "Test Reason"
headers = {'x-subject-token': TOKEN_ID}
def __init__(self, json, status_code=400):
self._json = json
self.status_code = status_code
def json(self):
return self._json
class FakeApp(object):
"""This represents a WSGI app protected by the auth_token middleware."""
def __call__(self, env, start_response):
resp = webob.Response()
resp.environ = env
return resp(env, start_response)
class EC2TokenMiddlewareTestBase(utils.TestCase):
TEST_PROTOCOL = 'https'
TEST_HOST = 'fakehost'
TEST_PORT = 35357
TEST_URL = '%s://%s:%d/v3/ec2tokens' % (TEST_PROTOCOL,
TEST_HOST,
TEST_PORT)
def setUp(self):
super(EC2TokenMiddlewareTestBase, self).setUp()
self.middleware = ec2_token.EC2Token(FakeApp(), {})
def _validate_ec2_error(self, response, http_status, ec2_code):
self.assertEqual(http_status, response.status_code,
'Expected HTTP status %s' % http_status)
error_msg = '<Code>%s</Code>' % ec2_code
if six.PY3:
# encode error message like main code
error_msg = error_msg.encode()
self.assertIn(error_msg, response.body)
class EC2TokenMiddlewareTestGood(EC2TokenMiddlewareTestBase):
@mock.patch.object(
requests, 'request',
return_value=FakeResponse(EMPTY_RESPONSE, status_code=200))
def test_protocol_old_versions(self, mock_request):
req = webob.Request.blank('/test')
req.GET['Signature'] = 'test-signature'
req.GET['AWSAccessKeyId'] = 'test-key-id'
req.body = b'Action=ListUsers&Version=2010-05-08'
resp = req.get_response(self.middleware)
self.assertEqual(200, resp.status_code)
self.assertEqual(TOKEN_ID, req.headers['X-Auth-Token'])
mock_request.assert_called_with(
'POST', 'http://localhost:5000/v3/ec2tokens',
data=mock.ANY, headers={'Content-Type': 'application/json'},
verify=True, cert=None)
data = jsonutils.loads(mock_request.call_args[1]['data'])
expected_data = {
'ec2Credentials': {
'access': 'test-key-id',
'headers': {'Host': 'localhost:80', 'Content-Length': '35'},
'host': 'localhost:80',
'verb': 'GET',
'params': {'AWSAccessKeyId': 'test-key-id'},
'signature': 'test-signature',
'path': '/test',
'body_hash': 'b6359072c78d70ebee1e81adcbab4f01'
'bf2c23245fa365ef83fe8f1f955085e2'}}
self.assertDictEqual(expected_data, data)
@mock.patch.object(
requests, 'request',
return_value=FakeResponse(EMPTY_RESPONSE, status_code=200))
def test_protocol_v4(self, mock_request):
req = webob.Request.blank('/test')
auth_str = (
'AWS4-HMAC-SHA256'
' Credential=test-key-id/20110909/us-east-1/iam/aws4_request,'
' SignedHeaders=content-type;host;x-amz-date,'
' Signature=test-signature')
req.headers['Authorization'] = auth_str
req.body = b'Action=ListUsers&Version=2010-05-08'
resp = req.get_response(self.middleware)
self.assertEqual(200, resp.status_code)
self.assertEqual(TOKEN_ID, req.headers['X-Auth-Token'])
mock_request.assert_called_with(
'POST', 'http://localhost:5000/v3/ec2tokens',
data=mock.ANY, headers={'Content-Type': 'application/json'},
verify=True, cert=None)
data = jsonutils.loads(mock_request.call_args[1]['data'])
expected_data = {
'ec2Credentials': {
'access': 'test-key-id',
'headers': {'Host': 'localhost:80',
'Content-Length': '35',
'Authorization': auth_str},
'host': 'localhost:80',
'verb': 'GET',
'params': {},
'signature': 'test-signature',
'path': '/test',
'body_hash': 'b6359072c78d70ebee1e81adcbab4f01'
'bf2c23245fa365ef83fe8f1f955085e2'}}
self.assertDictEqual(expected_data, data)
class EC2TokenMiddlewareTestBad(EC2TokenMiddlewareTestBase):
def test_no_signature(self):
req = webob.Request.blank('/test')
resp = req.get_response(self.middleware)
self._validate_ec2_error(resp, 400, 'AuthFailure')
def test_no_key_id(self):
req = webob.Request.blank('/test')
req.GET['Signature'] = 'test-signature'
resp = req.get_response(self.middleware)
self._validate_ec2_error(resp, 400, 'AuthFailure')
@mock.patch.object(requests,
'request',
return_value=FakeResponse(EMPTY_RESPONSE))
def test_communication_failure(self, mock_request):
req = webob.Request.blank('/test')
req.GET['Signature'] = 'test-signature'
req.GET['AWSAccessKeyId'] = 'test-key-id'
resp = req.get_response(self.middleware)
self._validate_ec2_error(resp, 400, 'AuthFailure')
mock_request.assert_called_with('POST', mock.ANY,
data=mock.ANY, headers=mock.ANY,
verify=mock.ANY, cert=mock.ANY)
@mock.patch.object(requests,
'request',
return_value=FakeResponse(EMPTY_RESPONSE))
def test_no_result_data(self, mock_request):
req = webob.Request.blank('/test')
req.GET['Signature'] = 'test-signature'
req.GET['AWSAccessKeyId'] = 'test-key-id'
resp = req.get_response(self.middleware)
self._validate_ec2_error(resp, 400, 'AuthFailure')
mock_request.assert_called_with('POST', mock.ANY,
data=mock.ANY, headers=mock.ANY,
verify=mock.ANY, cert=mock.ANY)
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