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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
from requests_mock.contrib import fixture as rm_fixture
import six
from six.moves import urllib
import webob
from keystonemiddleware import s3_token
from keystonemiddleware.tests.unit import utils
GOOD_RESPONSE = {'access': {'token': {'id': 'TOKEN_ID',
'tenant': {'id': 'TENANT_ID'}}}}
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 S3TokenMiddlewareTestBase(utils.TestCase):
TEST_PROTOCOL = 'https'
TEST_HOST = 'fakehost'
TEST_PORT = 35357
TEST_URL = '%s://%s:%d/v2.0/s3tokens' % (TEST_PROTOCOL,
TEST_HOST,
TEST_PORT)
def setUp(self):
super(S3TokenMiddlewareTestBase, self).setUp()
self.conf = {
'auth_host': self.TEST_HOST,
'auth_port': self.TEST_PORT,
'auth_protocol': self.TEST_PROTOCOL,
}
self.requests_mock = self.useFixture(rm_fixture.Fixture())
def start_fake_response(self, status, headers):
self.response_status = int(status.split(' ', 1)[0])
self.response_headers = dict(headers)
class S3TokenMiddlewareTestGood(S3TokenMiddlewareTestBase):
def setUp(self):
super(S3TokenMiddlewareTestGood, self).setUp()
self.middleware = s3_token.S3Token(FakeApp(), self.conf)
self.requests_mock.post(self.TEST_URL,
status_code=201,
json=GOOD_RESPONSE)
# Ignore the request and pass to the next middleware in the
# pipeline if no path has been specified.
def test_no_path_request(self):
req = webob.Request.blank('/')
self.middleware(req.environ, self.start_fake_response)
self.assertEqual(self.response_status, 200)
# Ignore the request and pass to the next middleware in the
# pipeline if no Authorization header has been specified
def test_without_authorization(self):
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
self.middleware(req.environ, self.start_fake_response)
self.assertEqual(self.response_status, 200)
def test_without_auth_storage_token(self):
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'badboy'
self.middleware(req.environ, self.start_fake_response)
self.assertEqual(self.response_status, 200)
def test_authorized(self):
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'access:signature'
req.headers['X-Storage-Token'] = 'token'
req.get_response(self.middleware)
self.assertTrue(req.path.startswith('/v1/AUTH_TENANT_ID'))
self.assertEqual(req.headers['X-Auth-Token'], 'TOKEN_ID')
def test_authorized_http(self):
self.requests_mock.post(self.TEST_URL.replace('https', 'http'),
status_code=201,
json=GOOD_RESPONSE)
self.middleware = (
s3_token.filter_factory({'auth_protocol': 'http',
'auth_host': self.TEST_HOST,
'auth_port': self.TEST_PORT})(FakeApp()))
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'access:signature'
req.headers['X-Storage-Token'] = 'token'
req.get_response(self.middleware)
self.assertTrue(req.path.startswith('/v1/AUTH_TENANT_ID'))
self.assertEqual(req.headers['X-Auth-Token'], 'TOKEN_ID')
def test_authorization_nova_toconnect(self):
req = webob.Request.blank('/v1/AUTH_swiftint/c/o')
req.headers['Authorization'] = 'access:FORCED_TENANT_ID:signature'
req.headers['X-Storage-Token'] = 'token'
req.get_response(self.middleware)
path = req.environ['PATH_INFO']
self.assertTrue(path.startswith('/v1/AUTH_FORCED_TENANT_ID'))
@mock.patch.object(requests, 'post')
def test_insecure(self, MOCK_REQUEST):
self.middleware = (
s3_token.filter_factory({'insecure': 'True'})(FakeApp()))
text_return_value = jsonutils.dumps(GOOD_RESPONSE)
if six.PY3:
text_return_value = text_return_value.encode()
MOCK_REQUEST.return_value = utils.TestResponse({
'status_code': 201,
'text': text_return_value})
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'access:signature'
req.headers['X-Storage-Token'] = 'token'
req.get_response(self.middleware)
self.assertTrue(MOCK_REQUEST.called)
mock_args, mock_kwargs = MOCK_REQUEST.call_args
self.assertIs(mock_kwargs['verify'], False)
def test_insecure_option(self):
# insecure is passed as a string.
# Some non-secure values.
true_values = ['true', 'True', '1', 'yes']
for val in true_values:
config = {'insecure': val, 'certfile': 'false_ind'}
middleware = s3_token.filter_factory(config)(FakeApp())
self.assertIs(False, middleware._verify)
# Some "secure" values, including unexpected value.
false_values = ['false', 'False', '0', 'no', 'someweirdvalue']
for val in false_values:
config = {'insecure': val, 'certfile': 'false_ind'}
middleware = s3_token.filter_factory(config)(FakeApp())
self.assertEqual('false_ind', middleware._verify)
# Default is secure.
config = {'certfile': 'false_ind'}
middleware = s3_token.filter_factory(config)(FakeApp())
self.assertIs('false_ind', middleware._verify)
def test_unicode_path(self):
url = u'/v1/AUTH_cfa/c/euro\u20ac'.encode('utf8')
req = webob.Request.blank(urllib.parse.quote(url))
req.headers['Authorization'] = 'access:signature'
req.headers['X-Storage-Token'] = 'token'
req.get_response(self.middleware)
class S3TokenMiddlewareTestBad(S3TokenMiddlewareTestBase):
def setUp(self):
super(S3TokenMiddlewareTestBad, self).setUp()
self.middleware = s3_token.S3Token(FakeApp(), self.conf)
def test_unauthorized_token(self):
ret = {"error":
{"message": "EC2 access key not found.",
"code": 401,
"title": "Unauthorized"}}
self.requests_mock.post(self.TEST_URL, status_code=403, json=ret)
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'access:signature'
req.headers['X-Storage-Token'] = 'token'
resp = req.get_response(self.middleware)
s3_denied_req = self.middleware._deny_request('AccessDenied')
self.assertEqual(resp.body, s3_denied_req.body)
self.assertEqual(resp.status_int, s3_denied_req.status_int)
def test_bogus_authorization(self):
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'badboy'
req.headers['X-Storage-Token'] = 'token'
resp = req.get_response(self.middleware)
self.assertEqual(resp.status_int, 400)
s3_invalid_req = self.middleware._deny_request('InvalidURI')
self.assertEqual(resp.body, s3_invalid_req.body)
self.assertEqual(resp.status_int, s3_invalid_req.status_int)
def test_fail_to_connect_to_keystone(self):
with mock.patch.object(self.middleware, '_json_request') as o:
s3_invalid_req = self.middleware._deny_request('InvalidURI')
o.side_effect = s3_token.ServiceError(s3_invalid_req)
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'access:signature'
req.headers['X-Storage-Token'] = 'token'
resp = req.get_response(self.middleware)
self.assertEqual(resp.body, s3_invalid_req.body)
self.assertEqual(resp.status_int, s3_invalid_req.status_int)
def test_bad_reply(self):
self.requests_mock.post(self.TEST_URL,
status_code=201,
text="<badreply>")
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'access:signature'
req.headers['X-Storage-Token'] = 'token'
resp = req.get_response(self.middleware)
s3_invalid_req = self.middleware._deny_request('InvalidURI')
self.assertEqual(resp.body, s3_invalid_req.body)
self.assertEqual(resp.status_int, s3_invalid_req.status_int)
class S3TokenMiddlewareTestUtil(utils.BaseTestCase):
def test_split_path_failed(self):
self.assertRaises(ValueError, s3_token._split_path, '')
self.assertRaises(ValueError, s3_token._split_path, '/')
self.assertRaises(ValueError, s3_token._split_path, '//')
self.assertRaises(ValueError, s3_token._split_path, '//a')
self.assertRaises(ValueError, s3_token._split_path, '/a/c')
self.assertRaises(ValueError, s3_token._split_path, '//c')
self.assertRaises(ValueError, s3_token._split_path, '/a/c/')
self.assertRaises(ValueError, s3_token._split_path, '/a//')
self.assertRaises(ValueError, s3_token._split_path, '/a', 2)
self.assertRaises(ValueError, s3_token._split_path, '/a', 2, 3)
self.assertRaises(ValueError, s3_token._split_path, '/a', 2, 3, True)
self.assertRaises(ValueError, s3_token._split_path, '/a/c/o/r', 3, 3)
self.assertRaises(ValueError, s3_token._split_path, '/a', 5, 4)
def test_split_path_success(self):
self.assertEqual(s3_token._split_path('/a'), ['a'])
self.assertEqual(s3_token._split_path('/a/'), ['a'])
self.assertEqual(s3_token._split_path('/a/c', 2), ['a', 'c'])
self.assertEqual(s3_token._split_path('/a/c/o', 3), ['a', 'c', 'o'])
self.assertEqual(s3_token._split_path('/a/c/o/r', 3, 3, True),
['a', 'c', 'o/r'])
self.assertEqual(s3_token._split_path('/a/c', 2, 3, True),
['a', 'c', None])
self.assertEqual(s3_token._split_path('/a/c/', 2), ['a', 'c'])
self.assertEqual(s3_token._split_path('/a/c/', 2, 3), ['a', 'c', ''])
def test_split_path_invalid_path(self):
try:
s3_token._split_path('o\nn e', 2)
except ValueError as err:
self.assertEqual(str(err), 'Invalid path: o%0An%20e')
try:
s3_token._split_path('o\nn e', 2, 3, True)
except ValueError as err:
self.assertEqual(str(err), 'Invalid path: o%0An%20e')
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