295 lines
11 KiB
Python

# Copyright (c) 2010 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.
from __future__ import with_statement
import logging
import os
import sys
import unittest
from contextlib import contextmanager
import eventlet
from webob import Request
from swift.common.middleware import auth
# mocks
logging.getLogger().addHandler(logging.StreamHandler(sys.stdout))
class FakeMemcache(object):
def __init__(self):
self.store = {}
def get(self, key):
return self.store.get(key)
def set(self, key, value, timeout=0):
self.store[key] = value
return True
def incr(self, key, timeout=0):
self.store[key] = self.store.setdefault(key, 0) + 1
return self.store[key]
@contextmanager
def soft_lock(self, key, timeout=0, retries=5):
yield True
def delete(self, key):
try:
del self.store[key]
except:
pass
return True
def mock_http_connect(response, headers=None, with_exc=False):
class FakeConn(object):
def __init__(self, status, headers, with_exc):
self.status = status
self.reason = 'Fake'
self.host = '1.2.3.4'
self.port = '1234'
self.with_exc = with_exc
self.headers = headers
if self.headers is None:
self.headers = {}
def getresponse(self):
if self.with_exc:
raise Exception('test')
return self
def getheader(self, header):
return self.headers[header]
def read(self, amt=None):
return ''
def close(self):
return
return lambda *args, **kwargs: FakeConn(response, headers, with_exc)
class Logger(object):
def __init__(self):
self.error_value = None
self.exception_value = None
def error(self, msg, *args, **kwargs):
self.error_value = (msg, args, kwargs)
def exception(self, msg, *args, **kwargs):
_, exc, _ = sys.exc_info()
self.exception_value = (msg,
'%s %s' % (exc.__class__.__name__, str(exc)), args, kwargs)
# tests
class FakeApp(object):
def __call__(self, env, start_response):
return ['204 No Content']
def start_response(*args):
pass
class TestAuth(unittest.TestCase):
def setUp(self):
self.test_auth = auth.filter_factory({})(FakeApp())
def test_auth_fail(self):
old_http_connect = auth.http_connect
try:
auth.http_connect = mock_http_connect(404)
result = ''.join(self.test_auth({'REQUEST_METHOD': 'GET',
'HTTP_X_AUTH_TOKEN': 'AUTH_t', 'swift.cache': FakeMemcache()},
lambda x, y: None))
self.assert_(result.startswith('401'), result)
finally:
auth.http_connect = old_http_connect
def test_auth_success(self):
old_http_connect = auth.http_connect
try:
auth.http_connect = mock_http_connect(204,
{'x-auth-ttl': '1234', 'x-auth-groups': 'act:usr,act,AUTH_cfa'})
result = ''.join(self.test_auth({'REQUEST_METHOD': 'GET',
'HTTP_X_AUTH_TOKEN': 'AUTH_t', 'swift.cache': FakeMemcache()},
lambda x, y: None))
self.assert_(result.startswith('204'), result)
finally:
auth.http_connect = old_http_connect
def test_auth_memcache(self):
old_http_connect = auth.http_connect
try:
fake_memcache = FakeMemcache()
auth.http_connect = mock_http_connect(204,
{'x-auth-ttl': '1234', 'x-auth-groups': 'act:usr,act,AUTH_cfa'})
result = ''.join(self.test_auth({'REQUEST_METHOD': 'GET',
'HTTP_X_AUTH_TOKEN': 'AUTH_t', 'swift.cache': fake_memcache},
lambda x, y: None))
self.assert_(result.startswith('204'), result)
auth.http_connect = mock_http_connect(404)
# Should still be in memcache
result = ''.join(self.test_auth({'REQUEST_METHOD': 'GET',
'HTTP_X_AUTH_TOKEN': 'AUTH_t', 'swift.cache': fake_memcache},
lambda x, y: None))
self.assert_(result.startswith('204'), result)
finally:
auth.http_connect = old_http_connect
def test_auth_just_expired(self):
old_http_connect = auth.http_connect
try:
fake_memcache = FakeMemcache()
auth.http_connect = mock_http_connect(204,
{'x-auth-ttl': '0', 'x-auth-groups': 'act:usr,act,AUTH_cfa'})
result = ''.join(self.test_auth({'REQUEST_METHOD': 'GET',
'HTTP_X_AUTH_TOKEN': 'AUTH_t', 'swift.cache': fake_memcache},
lambda x, y: None))
self.assert_(result.startswith('204'), result)
auth.http_connect = mock_http_connect(404)
# Should still be in memcache, but expired
result = ''.join(self.test_auth({'REQUEST_METHOD': 'GET',
'HTTP_X_AUTH_TOKEN': 'AUTH_t', 'swift.cache': fake_memcache},
lambda x, y: None))
self.assert_(result.startswith('401'), result)
finally:
auth.http_connect = old_http_connect
def test_middleware_success(self):
old_http_connect = auth.http_connect
try:
auth.http_connect = mock_http_connect(204,
{'x-auth-ttl': '1234', 'x-auth-groups': 'act:usr,act,AUTH_cfa'})
req = Request.blank('/v/a/c/o', headers={'x-auth-token': 'AUTH_t'})
req.environ['swift.cache'] = FakeMemcache()
result = ''.join(self.test_auth(req.environ, start_response))
self.assert_(result.startswith('204'), result)
self.assertEquals(req.remote_user, 'act:usr,act,AUTH_cfa')
finally:
auth.http_connect = old_http_connect
def test_middleware_no_header(self):
old_http_connect = auth.http_connect
try:
auth.http_connect = mock_http_connect(204,
{'x-auth-ttl': '1234', 'x-auth-groups': 'act:usr,act,AUTH_cfa'})
req = Request.blank('/v/a/c/o')
req.environ['swift.cache'] = FakeMemcache()
result = ''.join(self.test_auth(req.environ, start_response))
self.assert_(result.startswith('204'), result)
self.assert_(not req.remote_user, req.remote_user)
finally:
auth.http_connect = old_http_connect
def test_middleware_storage_token(self):
old_http_connect = auth.http_connect
try:
auth.http_connect = mock_http_connect(204,
{'x-auth-ttl': '1234', 'x-auth-groups': 'act:usr,act,AUTH_cfa'})
req = Request.blank('/v/a/c/o',
headers={'x-storage-token': 'AUTH_t'})
req.environ['swift.cache'] = FakeMemcache()
result = ''.join(self.test_auth(req.environ, start_response))
self.assert_(result.startswith('204'), result)
self.assertEquals(req.remote_user, 'act:usr,act,AUTH_cfa')
finally:
auth.http_connect = old_http_connect
def test_authorize_bad_path(self):
req = Request.blank('/badpath')
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('401'), resp)
req = Request.blank('/badpath')
req.remote_user = 'act:usr,act,AUTH_cfa'
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('403'), resp)
def test_authorize_account_access(self):
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act,AUTH_cfa'
self.assertEquals(self.test_auth.authorize(req), None)
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act'
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('403'), resp)
def test_authorize_acl_group_access(self):
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act'
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('403'), resp)
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act'
req.acl = 'act'
self.assertEquals(self.test_auth.authorize(req), None)
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act'
req.acl = 'act:usr'
self.assertEquals(self.test_auth.authorize(req), None)
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act'
req.acl = 'act2'
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('403'), resp)
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act'
req.acl = 'act:usr2'
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('403'), resp)
def test_deny_cross_reseller(self):
# Tests that cross-reseller is denied, even if ACLs/group names match
req = Request.blank('/v1/OTHER_cfa')
req.remote_user = 'act:usr,act,AUTH_cfa'
req.acl = 'act'
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('403'), resp)
def test_authorize_acl_referrer_access(self):
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act'
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('403'), resp)
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act'
req.acl = '.r:*'
self.assertEquals(self.test_auth.authorize(req), None)
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act'
req.acl = '.r:.example.com'
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('403'), resp)
req = Request.blank('/v1/AUTH_cfa')
req.remote_user = 'act:usr,act'
req.referer = 'http://www.example.com/index.html'
req.acl = '.r:.example.com'
self.assertEquals(self.test_auth.authorize(req), None)
req = Request.blank('/v1/AUTH_cfa')
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('401'), resp)
req = Request.blank('/v1/AUTH_cfa')
req.acl = '.r:*'
self.assertEquals(self.test_auth.authorize(req), None)
req = Request.blank('/v1/AUTH_cfa')
req.acl = '.r:.example.com'
resp = str(self.test_auth.authorize(req))
self.assert_(resp.startswith('401'), resp)
req = Request.blank('/v1/AUTH_cfa')
req.referer = 'http://www.example.com/index.html'
req.acl = '.r:.example.com'
self.assertEquals(self.test_auth.authorize(req), None)
if __name__ == '__main__':
unittest.main()