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# Copyright (c) 2011-2014 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 unittest
from datetime import datetime
import email
import mock
import time
from swift.common import swob
from swift.common.middleware.s3api.s3api import filter_factory
from swift.common.middleware.s3api.etree import fromstring
from swift.common.middleware.s3api.utils import Config
from test.unit import debug_logger
from test.unit.common.middleware.s3api.helpers import FakeSwift
class FakeApp(object):
def __init__(self):
self.swift = FakeSwift()
def _update_s3_path_info(self, env):
"""
For S3 requests, Swift auth middleware replaces a user name in
env['PATH_INFO'] with a valid tenant id.
E.g. '/v1/test:tester/bucket/object' will become
'/v1/AUTH_test/bucket/object'. This method emulates the behavior.
"""
tenant_user = env['s3api.auth_details']['access_key']
tenant, user = tenant_user.rsplit(':', 1)
path = env['PATH_INFO']
env['PATH_INFO'] = path.replace(tenant_user, 'AUTH_' + tenant)
def __call__(self, env, start_response):
if 's3api.auth_details' in env:
self._update_s3_path_info(env)
if env['REQUEST_METHOD'] == 'TEST':
def authorize_cb(req):
# Assume swift owner, if not yet set
req.environ.setdefault('REMOTE_USER', 'authorized')
req.environ.setdefault('swift_owner', True)
# But then default to blocking authz, to ensure we've replaced
# the default auth system
return swob.HTTPForbidden(request=req)
env['swift.authorize'] = authorize_cb
return self.swift(env, start_response)
class S3ApiTestCase(unittest.TestCase):
def __init__(self, name):
unittest.TestCase.__init__(self, name)
def setUp(self):
# setup default config
self.conf = Config({
'allow_no_owner': False,
'location': 'us-east-1',
'dns_compliant_bucket_names': True,
'max_bucket_listing': 1000,
'max_parts_listing': 1000,
'max_multi_delete_objects': 1000,
's3_acl': False,
'storage_domain': 'localhost',
'auth_pipeline_check': True,
'max_upload_part_num': 1000,
'check_bucket_owner': False,
'force_swift_request_proxy_log': False,
'allow_multipart_uploads': True,
'min_segment_size': 5242880,
})
# those 2 settings has existed the original test setup
self.conf.log_level = 'debug'
self.app = FakeApp()
self.swift = self.app.swift
self.s3api = filter_factory({}, **self.conf)(self.app)
self.s3api.logger = self.swift.logger = debug_logger()
self.swift.register('HEAD', '/v1/AUTH_test',
swob.HTTPOk, {}, None)
self.swift.register('HEAD', '/v1/AUTH_test/bucket',
swob.HTTPNoContent, {}, None)
self.swift.register('PUT', '/v1/AUTH_test/bucket',
swob.HTTPCreated, {}, None)
self.swift.register('POST', '/v1/AUTH_test/bucket',
swob.HTTPNoContent, {}, None)
self.swift.register('DELETE', '/v1/AUTH_test/bucket',
swob.HTTPNoContent, {}, None)
self.swift.register('GET', '/v1/AUTH_test/bucket/object',
swob.HTTPOk, {'etag': 'object etag'}, "")
self.swift.register('PUT', '/v1/AUTH_test/bucket/object',
swob.HTTPCreated, {'etag': 'object etag'}, None)
self.swift.register('DELETE', '/v1/AUTH_test/bucket/object',
swob.HTTPNoContent, {}, None)
self.mock_get_swift_info_result = {'object_versioning': {}}
for s3api_path in (
'controllers.obj',
'controllers.bucket',
'controllers.multi_delete',
'controllers.versioning',
):
patcher = mock.patch(
'swift.common.middleware.s3api.%s.get_swift_info' % s3api_path,
return_value=self.mock_get_swift_info_result)
patcher.start()
self.addCleanup(patcher.stop)
def _get_error_code(self, body):
elem = fromstring(body, 'Error')
return elem.find('./Code').text
def _get_error_message(self, body):
elem = fromstring(body, 'Error')
return elem.find('./Message').text
def _test_method_error(self, method, path, response_class, headers={},
env={}, expected_xml_tags=None):
if not path.startswith('/'):
path = '/' + path # add a missing slash before the path
uri = '/v1/AUTH_test'
if path != '/':
uri += path
self.swift.register(method, uri, response_class, headers, None)
headers.update({'Authorization': 'AWS test:tester:hmac',
'Date': self.get_date_header()})
env.update({'REQUEST_METHOD': method})
req = swob.Request.blank(path, environ=env, headers=headers)
status, headers, body = self.call_s3api(req)
if expected_xml_tags is not None:
elem = fromstring(body, 'Error')
self.assertEqual(set(expected_xml_tags),
{x.tag for x in elem})
return self._get_error_code(body)
def get_date_header(self):
# email.utils.formatdate returns utc timestamp in default
return email.utils.formatdate(time.time())
def get_v4_amz_date_header(self, when=None):
if when is None:
when = datetime.utcnow()
return when.strftime('%Y%m%dT%H%M%SZ')
def call_app(self, req, app=None, expect_exception=False):
if app is None:
app = self.app
req.headers.setdefault("User-Agent", "Mozzarella Foxfire")
status = [None]
headers = [None]
def start_response(s, h, ei=None):
status[0] = s
headers[0] = swob.HeaderKeyDict(h)
body_iter = app(req.environ, start_response)
body = b''
caught_exc = None
try:
for chunk in body_iter:
body += chunk
except Exception as exc:
if expect_exception:
caught_exc = exc
else:
raise
if expect_exception:
return status[0], headers[0], body, caught_exc
else:
return status[0], headers[0], body
def call_s3api(self, req, **kwargs):
return self.call_app(req, app=self.s3api, **kwargs)
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