226 lines
8.2 KiB
Python
226 lines
8.2 KiB
Python
# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from eventlet.green import httplib
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from lxml import etree
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from mox3 import mox
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from oslo.config import cfg
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from oslo.utils import timeutils
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import webob
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import webob.dec
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import webob.exc
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from nova.api import ec2
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from nova import context
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from nova import exception
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from nova import test
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from nova import wsgi
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CONF = cfg.CONF
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@webob.dec.wsgify
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def conditional_forbid(req):
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"""Helper wsgi app returns 403 if param 'die' is 1."""
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if 'die' in req.params and req.params['die'] == '1':
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raise webob.exc.HTTPForbidden()
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return 'OK'
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class LockoutTestCase(test.NoDBTestCase):
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"""Test case for the Lockout middleware."""
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def setUp(self): # pylint: disable=C0103
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super(LockoutTestCase, self).setUp()
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timeutils.set_time_override()
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self.lockout = ec2.Lockout(conditional_forbid)
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def tearDown(self): # pylint: disable=C0103
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timeutils.clear_time_override()
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super(LockoutTestCase, self).tearDown()
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def _send_bad_attempts(self, access_key, num_attempts=1):
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"""Fail x."""
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for i in xrange(num_attempts):
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req = webob.Request.blank('/?AWSAccessKeyId=%s&die=1' % access_key)
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self.assertEqual(req.get_response(self.lockout).status_int, 403)
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def _is_locked_out(self, access_key):
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"""Sends a test request to see if key is locked out."""
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req = webob.Request.blank('/?AWSAccessKeyId=%s' % access_key)
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return (req.get_response(self.lockout).status_int == 403)
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def test_lockout(self):
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self._send_bad_attempts('test', CONF.lockout_attempts)
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self.assertTrue(self._is_locked_out('test'))
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def test_timeout(self):
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self._send_bad_attempts('test', CONF.lockout_attempts)
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self.assertTrue(self._is_locked_out('test'))
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timeutils.advance_time_seconds(CONF.lockout_minutes * 60)
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self.assertFalse(self._is_locked_out('test'))
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def test_multiple_keys(self):
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self._send_bad_attempts('test1', CONF.lockout_attempts)
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self.assertTrue(self._is_locked_out('test1'))
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self.assertFalse(self._is_locked_out('test2'))
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timeutils.advance_time_seconds(CONF.lockout_minutes * 60)
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self.assertFalse(self._is_locked_out('test1'))
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self.assertFalse(self._is_locked_out('test2'))
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def test_window_timeout(self):
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self._send_bad_attempts('test', CONF.lockout_attempts - 1)
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self.assertFalse(self._is_locked_out('test'))
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timeutils.advance_time_seconds(CONF.lockout_window * 60)
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self._send_bad_attempts('test', CONF.lockout_attempts - 1)
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self.assertFalse(self._is_locked_out('test'))
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class ExecutorTestCase(test.NoDBTestCase):
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def setUp(self):
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super(ExecutorTestCase, self).setUp()
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self.executor = ec2.Executor()
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def _execute(self, invoke):
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class Fake(object):
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pass
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fake_ec2_request = Fake()
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fake_ec2_request.invoke = invoke
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fake_wsgi_request = Fake()
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fake_wsgi_request.environ = {
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'nova.context': context.get_admin_context(),
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'ec2.request': fake_ec2_request,
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}
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return self.executor(fake_wsgi_request)
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def _extract_message(self, result):
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tree = etree.fromstring(result.body)
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return tree.findall('./Errors')[0].find('Error/Message').text
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def _extract_code(self, result):
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tree = etree.fromstring(result.body)
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return tree.findall('./Errors')[0].find('Error/Code').text
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def test_instance_not_found(self):
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def not_found(context):
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raise exception.InstanceNotFound(instance_id=5)
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result = self._execute(not_found)
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self.assertIn('i-00000005', self._extract_message(result))
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self.assertEqual('InvalidInstanceID.NotFound',
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self._extract_code(result))
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def test_instance_not_found_none(self):
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def not_found(context):
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raise exception.InstanceNotFound(instance_id=None)
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# NOTE(mikal): we want no exception to be raised here, which was what
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# was happening in bug/1080406
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result = self._execute(not_found)
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self.assertIn('None', self._extract_message(result))
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self.assertEqual('InvalidInstanceID.NotFound',
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self._extract_code(result))
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def test_snapshot_not_found(self):
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def not_found(context):
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raise exception.SnapshotNotFound(snapshot_id=5)
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result = self._execute(not_found)
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self.assertIn('snap-00000005', self._extract_message(result))
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self.assertEqual('InvalidSnapshot.NotFound',
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self._extract_code(result))
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def test_volume_not_found(self):
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def not_found(context):
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raise exception.VolumeNotFound(volume_id=5)
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result = self._execute(not_found)
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self.assertIn('vol-00000005', self._extract_message(result))
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self.assertEqual('InvalidVolume.NotFound', self._extract_code(result))
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class FakeResponse(object):
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reason = "Test Reason"
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def __init__(self, status=400):
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self.status = status
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def read(self):
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return '{}'
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class KeystoneAuthTestCase(test.NoDBTestCase):
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def setUp(self):
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super(KeystoneAuthTestCase, self).setUp()
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self.kauth = ec2.EC2KeystoneAuth(conditional_forbid)
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def _validate_ec2_error(self, response, http_status, ec2_code):
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self.assertEqual(response.status_code, http_status,
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'Expected HTTP status %s' % http_status)
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root_e = etree.XML(response.body)
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self.assertEqual(root_e.tag, 'Response',
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"Top element must be Response.")
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errors_e = root_e.find('Errors')
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error_e = errors_e[0]
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code_e = error_e.find('Code')
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self.assertIsNotNone(code_e, "Code element must be present.")
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self.assertEqual(code_e.text, ec2_code)
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def test_no_signature(self):
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req = wsgi.Request.blank('/test')
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resp = self.kauth(req)
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self._validate_ec2_error(resp, 400, 'AuthFailure')
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def test_no_key_id(self):
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req = wsgi.Request.blank('/test')
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req.GET['Signature'] = 'test-signature'
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resp = self.kauth(req)
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self._validate_ec2_error(resp, 400, 'AuthFailure')
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def test_communication_failure(self):
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req = wsgi.Request.blank('/test')
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req.GET['Signature'] = 'test-signature'
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req.GET['AWSAccessKeyId'] = 'test-key-id'
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conn = httplib.HTTPConnection('/mock')
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self.mox.StubOutWithMock(httplib.HTTPConnection, 'request')
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self.mox.StubOutWithMock(httplib.HTTPConnection, 'getresponse')
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conn.request('POST', mox.IgnoreArg(), body=mox.IgnoreArg(),
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headers=mox.IgnoreArg())
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resp = FakeResponse()
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conn.getresponse().AndReturn(resp)
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self.mox.ReplayAll()
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resp = self.kauth(req)
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self._validate_ec2_error(resp, 400, 'AuthFailure')
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def test_no_result_data(self):
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req = wsgi.Request.blank('/test')
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req.GET['Signature'] = 'test-signature'
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req.GET['AWSAccessKeyId'] = 'test-key-id'
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conn = httplib.HTTPConnection('/mock')
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self.mox.StubOutWithMock(httplib.HTTPConnection, 'request')
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self.mox.StubOutWithMock(httplib.HTTPConnection, 'getresponse')
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self.mox.StubOutWithMock(httplib.HTTPConnection, 'close')
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conn.request('POST', mox.IgnoreArg(), body=mox.IgnoreArg(),
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headers=mox.IgnoreArg())
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resp = FakeResponse(200)
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conn.getresponse().AndReturn(resp)
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conn.close()
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self.mox.ReplayAll()
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resp = self.kauth(req)
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self._validate_ec2_error(resp, 400, 'AuthFailure')
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