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# Copyright 2012 OpenStack Foundation
# All Rights Reserved.
#
# 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 base64
import os
import tempfile
from oslo_config import cfg
import webob
from oslo_middleware import basic_auth as auth
from oslo_middleware import exceptions as exc
from oslotest import base as test_base
class TestAuthBasic(test_base.BaseTestCase):
def setUp(self):
super().setUp()
@webob.dec.wsgify
def fake_app(req):
return webob.Response()
self.fake_app = fake_app
self.request = webob.Request.blank('/')
def write_auth_file(self, data=None):
if not data:
data = '\n'
with tempfile.NamedTemporaryFile(mode='w', delete=False) as f:
f.write(data)
self.addCleanup(os.remove, f.name)
return f.name
def test_middleware_authenticate(self):
auth_file = self.write_auth_file(
'myName:$2y$05$lE3eGtyj41jZwrzS87KTqe6.'
'JETVCWBkc32C63UP2aYrGoYOEpbJm\n\n\n')
cfg.CONF.set_override('http_basic_auth_user_file',
auth_file, group='oslo_middleware')
self.middleware = auth.BasicAuthMiddleware(self.fake_app)
self.request.environ[
'HTTP_AUTHORIZATION'] = 'Basic bXlOYW1lOm15UGFzc3dvcmQ='
response = self.request.get_response(self.middleware)
self.assertEqual('200 OK', response.status)
def test_middleware_unauthenticated(self):
auth_file = self.write_auth_file(
'myName:$2y$05$lE3eGtyj41jZwrzS87KTqe6.'
'JETVCWBkc32C63UP2aYrGoYOEpbJm\n\n\n')
cfg.CONF.set_override('http_basic_auth_user_file',
auth_file, group='oslo_middleware')
self.middleware = auth.BasicAuthMiddleware(self.fake_app)
response = self.request.get_response(self.middleware)
self.assertEqual('401 Unauthorized', response.status)
def test_authenticate(self):
auth_file = self.write_auth_file(
'foo:bar\nmyName:$2y$05$lE3eGtyj41jZwrzS87KTqe6.'
'JETVCWBkc32C63UP2aYrGoYOEpbJm\n\n\n')
# test basic auth
self.assertEqual(
{'HTTP_X_USER': 'myName', 'HTTP_X_USER_NAME': 'myName'},
auth.authenticate(
auth_file, 'myName', b'myPassword')
)
# test failed auth
e = self.assertRaises(webob.exc.HTTPBadRequest,
auth.authenticate,
auth_file, 'foo', b'bar')
self.assertEqual('Only bcrypt digested '
'passwords are supported for foo', str(e))
# test problem reading user data file
auth_file = auth_file + '.missing'
e = self.assertRaises(webob.exc.HTTPBadRequest,
auth.authenticate,
auth_file, 'myName',
b'myPassword')
self.assertEqual(
'Problem reading auth file', str(e))
def test_auth_entry(self):
entry_pass = ('myName:$2y$05$lE3eGtyj41jZwrzS87KTqe6.'
'JETVCWBkc32C63UP2aYrGoYOEpbJm')
entry_fail = 'foo:bar'
# success
self.assertEqual(
{'HTTP_X_USER': 'myName', 'HTTP_X_USER_NAME': 'myName'},
auth.auth_entry(entry_pass, b'myPassword')
)
# failed, unknown digest format
ex = self.assertRaises(webob.exc.HTTPBadRequest,
auth.auth_entry, entry_fail, b'bar')
self.assertEqual('Only bcrypt digested '
'passwords are supported for foo', str(ex))
# failed, incorrect password
self.assertRaises(webob.exc.HTTPUnauthorized,
auth.auth_entry, entry_pass, b'bar')
def test_validate_auth_file(self):
auth_file = self.write_auth_file(
'myName:$2y$05$lE3eGtyj41jZwrzS87KTqe6.'
'JETVCWBkc32C63UP2aYrGoYOEpbJm\n\n\n')
# success, valid config
auth.validate_auth_file(auth_file)
# failed, missing auth file
auth_file = auth_file + '.missing'
self.assertRaises(exc.ConfigInvalid,
auth.validate_auth_file, auth_file)
# failed, invalid entry
auth_file = self.write_auth_file(
'foo:bar\nmyName:$2y$05$lE3eGtyj41jZwrzS87KTqe6.'
'JETVCWBkc32C63UP2aYrGoYOEpbJm\n\n\n')
self.assertRaises(webob.exc.HTTPBadRequest,
auth.validate_auth_file, auth_file)
def test_parse_token(self):
# success with bytes
token = base64.b64encode(b'myName:myPassword')
self.assertEqual(
('myName', b'myPassword'),
auth.parse_token(token)
)
# success with string
token = str(token, encoding='utf-8')
self.assertEqual(
('myName', b'myPassword'),
auth.parse_token(token)
)
# failed, invalid base64
e = self.assertRaises(webob.exc.HTTPBadRequest,
auth.parse_token, token[:-1])
self.assertEqual('Could not decode authorization token', str(e))
# failed, no colon in token
token = str(base64.b64encode(b'myNamemyPassword'), encoding='utf-8')
e = self.assertRaises(webob.exc.HTTPBadRequest,
auth.parse_token, token[:-1])
self.assertEqual('Could not decode authorization token', str(e))
def test_parse_header(self):
auth_value = 'Basic bXlOYW1lOm15UGFzc3dvcmQ='
# success
self.assertEqual(
'bXlOYW1lOm15UGFzc3dvcmQ=',
auth.parse_header({
'HTTP_AUTHORIZATION': auth_value
})
)
# failed, missing Authorization header
e = self.assertRaises(webob.exc.HTTPUnauthorized,
auth.parse_header,
{})
# failed missing token
e = self.assertRaises(webob.exc.HTTPBadRequest,
auth.parse_header,
{'HTTP_AUTHORIZATION': 'Basic'})
self.assertEqual('Could not parse Authorization header', str(e))
# failed, type other than Basic
digest_value = 'Digest username="myName" nonce="foobar"'
e = self.assertRaises(webob.exc.HTTPBadRequest,
auth.parse_header,
{'HTTP_AUTHORIZATION': digest_value})
self.assertEqual('Unsupported authorization type "Digest"', str(e))
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