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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# 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 datetime
import webob
import webob.dec
import webob.exc
from nova.api import ec2
from nova import flags
from nova import test
from nova import utils
FLAGS = flags.FLAGS
@webob.dec.wsgify
def conditional_forbid(req):
"""Helper wsgi app returns 403 if param 'die' is 1."""
if 'die' in req.params and req.params['die'] == '1':
raise webob.exc.HTTPForbidden()
return 'OK'
class LockoutTestCase(test.TestCase):
"""Test case for the Lockout middleware."""
def setUp(self): # pylint: disable-msg=C0103
super(LockoutTestCase, self).setUp()
utils.set_time_override()
self.lockout = ec2.Lockout(conditional_forbid)
def tearDown(self): # pylint: disable-msg=C0103
utils.clear_time_override()
super(LockoutTestCase, self).tearDown()
def _send_bad_attempts(self, access_key, num_attempts=1):
"""Fail x."""
for i in xrange(num_attempts):
req = webob.Request.blank('/?AWSAccessKeyId=%s&die=1' % access_key)
self.assertEqual(req.get_response(self.lockout).status_int, 403)
def _is_locked_out(self, access_key):
"""Sends a test request to see if key is locked out."""
req = webob.Request.blank('/?AWSAccessKeyId=%s' % access_key)
return (req.get_response(self.lockout).status_int == 403)
def test_lockout(self):
self._send_bad_attempts('test', FLAGS.lockout_attempts)
self.assertTrue(self._is_locked_out('test'))
def test_timeout(self):
self._send_bad_attempts('test', FLAGS.lockout_attempts)
self.assertTrue(self._is_locked_out('test'))
utils.advance_time_seconds(FLAGS.lockout_minutes * 60)
self.assertFalse(self._is_locked_out('test'))
def test_multiple_keys(self):
self._send_bad_attempts('test1', FLAGS.lockout_attempts)
self.assertTrue(self._is_locked_out('test1'))
self.assertFalse(self._is_locked_out('test2'))
utils.advance_time_seconds(FLAGS.lockout_minutes * 60)
self.assertFalse(self._is_locked_out('test1'))
self.assertFalse(self._is_locked_out('test2'))
def test_window_timeout(self):
self._send_bad_attempts('test', FLAGS.lockout_attempts - 1)
self.assertFalse(self._is_locked_out('test'))
utils.advance_time_seconds(FLAGS.lockout_window * 60)
self._send_bad_attempts('test', FLAGS.lockout_attempts - 1)
self.assertFalse(self._is_locked_out('test'))
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