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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack LLC
#
# 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 logging
import stubout
import unittest2 as unittest
import webob
from swift.common import utils as swift_utils
from keystone.middleware import s3_token
from keystone.openstack.common import jsonutils
def denied_request(code):
error_table = {
'AccessDenied': (401, 'Access denied'),
'InvalidURI': (400, 'Could not parse the specified URI'),
}
xml = ('<?xml version="1.0" encoding="UTF-8"?>\r\n<Error>\r\n '
'<Code>%s</Code>\r\n <Message>%s</Message>\r\n</Error>\r\n' %
(code, error_table[code][1]))
return xml
def setUpModule(self):
self.stubs = stubout.StubOutForTesting()
# Stub out swift_utils.get_logger. get_logger tries to configure
# syslogging to '/dev/log', which will fail on OS X.
def fake_get_logger(config, log_route=None):
return logging.getLogger(log_route)
self.stubs.Set(swift_utils, 'get_logger', fake_get_logger)
def tearDownModule(self):
self.stubs.UnsetAll()
class FakeHTTPResponse(object):
def __init__(self, status, body):
self.status = status
self.body = body
self.reason = ""
def read(self):
return self.body
class FakeHTTPConnection(object):
status = 201
def __init__(self, *args):
pass
def request(self, method, path, **kwargs):
if self.status == 503:
raise Exception
ret = {'access': {'token': {'id': 'TOKEN_ID',
'tenant': {'id': 'TENANT_ID'}}}}
body = jsonutils.dumps(ret)
status = self.status
self.resp = FakeHTTPResponse(status, body)
def getresponse(self):
return self.resp
def close(self):
pass
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 S3TokenMiddlewareTest(unittest.TestCase):
def setUp(self, expected_env=None):
self.middleware = s3_token.S3Token(FakeApp(), {})
self.middleware.http_client_class = FakeHTTPConnection
self.response_status = None
self.response_headers = None
super(S3TokenMiddlewareTest, self).setUp()
def _start_fake_response(self, status, headers):
self.response_status = int(status.split(' ', 1)[0])
self.response_headers = dict(headers)
# 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_with_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)
self.assertEqual(resp.body, denied_request('InvalidURI'))
def test_bad_token(self):
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'access:signature'
req.headers['X-Storage-Token'] = 'token'
self.middleware.http_client_class.status = 403
resp = req.get_response(self.middleware)
self.assertEqual(resp.status_int, 401)
self.assertEqual(resp.body, denied_request('AccessDenied'))
def test_fail_to_connect_to_keystone(self):
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'access:signature'
req.headers['X-Storage-Token'] = 'token'
self.middleware.http_client_class.status = 503
resp = req.get_response(self.middleware)
self.assertEqual(resp.status_int, 400)
self.assertEqual(resp.body, denied_request('InvalidURI'))
def test_authorized(self):
req = webob.Request.blank('/v1/AUTH_cfa/c/o')
req.headers['Authorization'] = 'access:signature'
req.headers['X-Storage-Token'] = 'token'
resp = webob.Request(req.get_response(self.middleware).environ)
self.assertTrue(resp.path.startswith('/v1/AUTH_TENANT_ID'))
self.assertEqual(resp.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 = req.get_response(self.middleware)
path = req.environ['PATH_INFO']
self.assertTrue(path.startswith('/v1/AUTH_FORCED_TENANT_ID'))
if __name__ == '__main__':
unittest.main()
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