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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 unittest2 as unittest
import webob
from keystone.middleware import s3_token
from keystone.openstack.common import jsonutils
class FakeHTTPResponse(object):
def __init__(self, status, body):
self.status = status
self.body = body
self.reason = ""
def read(self):
return self.body
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 FakeHTTPConnection(object):
def __init__(self, *args):
return
def getresponse(self):
return self.resp
def close(self):
pass
def request(self, method, path, **kwargs):
pass
class S3TokenMiddlewareTestBase(unittest.TestCase):
def setUp(self):
super(S3TokenMiddlewareTestBase, self).setUp()
def start_fake_response(self, status, headers):
self.response_status = int(status.split(' ', 1)[0])
self.response_headers = dict(headers)
def good_request(cls, method, path, **kwargs):
cls.status = 201
ret = {'access': {'token':
{'id': 'TOKEN_ID',
'tenant': {'id': 'TENANT_ID'}}}}
body = jsonutils.dumps(ret)
cls.resp = FakeHTTPResponse(cls.status, body)
class S3TokenMiddlewareTestGood(S3TokenMiddlewareTestBase):
def setup_middleware_fake(self):
self.middleware.http_client_class = FakeHTTPConnection
self.middleware.http_client_class.request = good_request
def setUp(self):
self.middleware = s3_token.S3Token(FakeApp(), {})
self.setup_middleware_fake()
super(S3TokenMiddlewareTestGood, self).setUp()
# 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.middleware = (
s3_token.filter_factory({'auth_protocol': 'http'})(FakeApp()))
self.setup_middleware_fake()
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'))
class S3TokenMiddlewareTestBad(S3TokenMiddlewareTestBase):
def setUp(self):
self.middleware = s3_token.S3Token(FakeApp(), {})
self.middleware.http_client_class = FakeHTTPConnection
super(S3TokenMiddlewareTestBad, self).setUp()
def test_unauthorized_token(self):
def request(self, method, path, **kwargs):
ret = {"error":
{"message": "EC2 access key not found.",
"code": 401,
"title": "Unauthorized"}}
body = jsonutils.dumps(ret)
self.status = 403
self.resp = FakeHTTPResponse(self.status, body)
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.request = request
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):
def request(self, method, path, **kwargs):
raise s3_token.ServiceError
self.middleware.http_client_class.request = request
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)
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_bad_reply(self):
def request(self, method, path, **kwargs):
body = "<badreply>"
self.status = 201
self.resp = FakeHTTPResponse(self.status, body)
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.request = request
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(unittest.TestCase):
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.assertEquals(s3_token.split_path('/a'), ['a'])
self.assertEquals(s3_token.split_path('/a/'), ['a'])
self.assertEquals(s3_token.split_path('/a/c', 2), ['a', 'c'])
self.assertEquals(s3_token.split_path('/a/c/o', 3), ['a', 'c', 'o'])
self.assertEquals(s3_token.split_path('/a/c/o/r', 3, 3, True),
['a', 'c', 'o/r'])
self.assertEquals(s3_token.split_path('/a/c', 2, 3, True),
['a', 'c', None])
self.assertEquals(s3_token.split_path('/a/c/', 2), ['a', 'c'])
self.assertEquals(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, err:
self.assertEquals(str(err), 'Invalid path: o%0An%20e')
try:
s3_token.split_path('o\nn e', 2, 3, True)
except ValueError, err:
self.assertEquals(str(err), 'Invalid path: o%0An%20e')
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