OpenStack Identity (Keystone)
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keystone/keystone/tests/unit/test_revoke.py

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21 KiB

# 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 uuid
import mock
from oslo_utils import timeutils
from six.moves import range
from testtools import matchers
from keystone.common import utils
from keystone import exception
from keystone.models import revoke_model
from keystone.tests import unit
from keystone.tests.unit import test_backend_sql
from keystone.token import provider
def _new_id():
return uuid.uuid4().hex
def _future_time():
expire_delta = datetime.timedelta(seconds=1000)
future_time = timeutils.utcnow() + expire_delta
return future_time
def _past_time():
expire_delta = datetime.timedelta(days=-1000)
past_time = timeutils.utcnow() + expire_delta
return past_time
def _sample_blank_token():
issued_delta = datetime.timedelta(minutes=-2)
issued_at = timeutils.utcnow() + issued_delta
token_data = revoke_model.blank_token_data(issued_at)
return token_data
def _matches(event, token_values):
"""See if the token matches the revocation event.
Used as a secondary check on the logic to Check
By Tree Below: This is abrute force approach to checking.
Compare each attribute from the event with the corresponding
value from the token. If the event does not have a value for
the attribute, a match is still possible. If the event has a
value for the attribute, and it does not match the token, no match
is possible, so skip the remaining checks.
:param event: one revocation event to match
:param token_values: dictionary with set of values taken from the
token
:returns: True if the token matches the revocation event, indicating the
token has been revoked
"""
# The token has three attributes that can match the user_id
if event.user_id is not None:
for attribute_name in ['user_id', 'trustor_id', 'trustee_id']:
if event.user_id == token_values[attribute_name]:
break
else:
return False
# The token has two attributes that can match the domain_id
if event.domain_id is not None:
for attribute_name in ['identity_domain_id', 'assignment_domain_id']:
if event.domain_id == token_values[attribute_name]:
break
else:
return False
if event.domain_scope_id is not None:
if event.domain_scope_id != token_values['assignment_domain_id']:
return False
# If any one check does not match, the while token does
# not match the event. The numerous return False indicate
# that the token is still valid and short-circuits the
# rest of the logic.
attribute_names = ['project_id',
'expires_at', 'trust_id', 'consumer_id',
'access_token_id', 'audit_id', 'audit_chain_id']
for attribute_name in attribute_names:
if getattr(event, attribute_name) is not None:
if (getattr(event, attribute_name) !=
token_values[attribute_name]):
return False
if event.role_id is not None:
roles = token_values['roles']
for role in roles:
if event.role_id == role:
break
else:
return False
if token_values['issued_at'] > event.issued_before:
return False
return True
class RevokeTests(object):
def test_list(self):
self.revoke_api.revoke_by_user(user_id=1)
self.assertEqual(1, len(self.revoke_api.list_events()))
self.revoke_api.revoke_by_user(user_id=2)
self.assertEqual(2, len(self.revoke_api.list_events()))
def test_list_since(self):
self.revoke_api.revoke_by_user(user_id=1)
self.revoke_api.revoke_by_user(user_id=2)
past = timeutils.utcnow() - datetime.timedelta(seconds=1000)
self.assertEqual(2, len(self.revoke_api.list_events(last_fetch=past)))
future = timeutils.utcnow() + datetime.timedelta(seconds=1000)
self.assertEqual(0,
len(self.revoke_api.list_events(last_fetch=future)))
def test_past_expiry_are_removed(self):
user_id = 1
self.revoke_api.revoke_by_expiration(user_id, _future_time())
self.assertEqual(1, len(self.revoke_api.list_events()))
event = revoke_model.RevokeEvent()
event.revoked_at = _past_time()
self.revoke_api.revoke(event)
self.assertEqual(1, len(self.revoke_api.list_events()))
@mock.patch.object(timeutils, 'utcnow')
def test_expired_events_removed_validate_token_success(self, mock_utcnow):
def _sample_token_values():
token = _sample_blank_token()
token['expires_at'] = utils.isotime(_future_time(),
subsecond=True)
return token
now = datetime.datetime.utcnow()
now_plus_2h = now + datetime.timedelta(hours=2)
mock_utcnow.return_value = now
# Build a token and validate it. This will seed the cache for the
# future 'synchronize' call.
token_values = _sample_token_values()
user_id = _new_id()
self.revoke_api.revoke_by_user(user_id)
token_values['user_id'] = user_id
self.assertRaises(exception.TokenNotFound,
self.revoke_api.check_token,
token_values)
# Move our clock forward by 2h, build a new token and validate it.
# 'synchronize' should now be exercised and remove old expired events
mock_utcnow.return_value = now_plus_2h
self.revoke_api.revoke_by_expiration(_new_id(), now_plus_2h)
# should no longer throw an exception
self.revoke_api.check_token(token_values)
def test_revoke_by_expiration_project_and_domain_fails(self):
user_id = _new_id()
expires_at = utils.isotime(_future_time(), subsecond=True)
domain_id = _new_id()
project_id = _new_id()
self.assertThat(
lambda: self.revoke_api.revoke_by_expiration(
user_id, expires_at, domain_id=domain_id,
project_id=project_id),
matchers.raises(exception.UnexpectedError))
class SqlRevokeTests(test_backend_sql.SqlTests, RevokeTests):
def config_overrides(self):
super(SqlRevokeTests, self).config_overrides()
self.config_fixture.config(
group='token',
provider='pki',
revoke_by_id=False)
def add_event(events, event):
events.append(event)
return event
def remove_event(events, event):
for target in events:
if target == event:
events.remove(target)
class RevokeListTests(unit.TestCase):
def setUp(self):
super(RevokeListTests, self).setUp()
self.events = []
self.revoke_events = list()
self._sample_data()
def _sample_data(self):
user_ids = []
project_ids = []
role_ids = []
for i in range(0, 3):
user_ids.append(_new_id())
project_ids.append(_new_id())
role_ids.append(_new_id())
project_tokens = []
i = len(project_tokens)
project_tokens.append(_sample_blank_token())
project_tokens[i]['user_id'] = user_ids[0]
project_tokens[i]['project_id'] = project_ids[0]
project_tokens[i]['roles'] = [role_ids[1]]
i = len(project_tokens)
project_tokens.append(_sample_blank_token())
project_tokens[i]['user_id'] = user_ids[1]
project_tokens[i]['project_id'] = project_ids[0]
project_tokens[i]['roles'] = [role_ids[0]]
i = len(project_tokens)
project_tokens.append(_sample_blank_token())
project_tokens[i]['user_id'] = user_ids[0]
project_tokens[i]['project_id'] = project_ids[1]
project_tokens[i]['roles'] = [role_ids[0]]
token_to_revoke = _sample_blank_token()
token_to_revoke['user_id'] = user_ids[0]
token_to_revoke['project_id'] = project_ids[0]
token_to_revoke['roles'] = [role_ids[0]]
self.project_tokens = project_tokens
self.user_ids = user_ids
self.project_ids = project_ids
self.role_ids = role_ids
self.token_to_revoke = token_to_revoke
def _assertTokenRevoked(self, token_data):
self.assertTrue(any([_matches(e, token_data) for e in self.events]))
return self.assertTrue(
revoke_model.is_revoked(self.revoke_events, token_data),
'Token should be revoked')
def _assertTokenNotRevoked(self, token_data):
self.assertFalse(any([_matches(e, token_data) for e in self.events]))
return self.assertFalse(
revoke_model.is_revoked(self.revoke_events, token_data),
'Token should not be revoked')
def _revoke_by_user(self, user_id):
return add_event(
self.revoke_events,
revoke_model.RevokeEvent(user_id=user_id))
def _revoke_by_audit_id(self, audit_id):
event = add_event(
self.revoke_events,
revoke_model.RevokeEvent(audit_id=audit_id))
self.events.append(event)
return event
def _revoke_by_audit_chain_id(self, audit_chain_id, project_id=None,
domain_id=None):
event = add_event(
self.revoke_events,
revoke_model.RevokeEvent(audit_chain_id=audit_chain_id,
project_id=project_id,
domain_id=domain_id)
)
self.events.append(event)
return event
def _revoke_by_expiration(self, user_id, expires_at, project_id=None,
domain_id=None):
event = add_event(
self.revoke_events,
revoke_model.RevokeEvent(user_id=user_id,
expires_at=expires_at,
project_id=project_id,
domain_id=domain_id))
self.events.append(event)
return event
def _revoke_by_grant(self, role_id, user_id=None,
domain_id=None, project_id=None):
event = add_event(
self.revoke_events,
revoke_model.RevokeEvent(user_id=user_id,
role_id=role_id,
domain_id=domain_id,
project_id=project_id))
self.events.append(event)
return event
def _revoke_by_user_and_project(self, user_id, project_id):
event = add_event(self.revoke_events,
revoke_model.RevokeEvent(project_id=project_id,
user_id=user_id))
self.events.append(event)
return event
def _revoke_by_project_role_assignment(self, project_id, role_id):
event = add_event(self.revoke_events,
revoke_model.RevokeEvent(project_id=project_id,
role_id=role_id))
self.events.append(event)
return event
def _revoke_by_domain_role_assignment(self, domain_id, role_id):
event = add_event(self.revoke_events,
revoke_model.RevokeEvent(domain_id=domain_id,
role_id=role_id))
self.events.append(event)
return event
def _revoke_by_domain(self, domain_id):
event = add_event(self.revoke_events,
revoke_model.RevokeEvent(domain_id=domain_id))
self.events.append(event)
def _user_field_test(self, field_name):
user_id = _new_id()
event = self._revoke_by_user(user_id)
self.events.append(event)
token_data_u1 = _sample_blank_token()
token_data_u1[field_name] = user_id
self._assertTokenRevoked(token_data_u1)
token_data_u2 = _sample_blank_token()
token_data_u2[field_name] = _new_id()
self._assertTokenNotRevoked(token_data_u2)
remove_event(self.revoke_events, event)
self.events.remove(event)
self._assertTokenNotRevoked(token_data_u1)
def test_revoke_by_user(self):
self._user_field_test('user_id')
def test_revoke_by_user_matches_trustee(self):
self._user_field_test('trustee_id')
def test_revoke_by_user_matches_trustor(self):
self._user_field_test('trustor_id')
def test_by_user_expiration(self):
future_time = _future_time()
user_id = 1
event = self._revoke_by_expiration(user_id, future_time)
token_data_1 = _sample_blank_token()
token_data_1['user_id'] = user_id
token_data_1['expires_at'] = future_time.replace(microsecond=0)
self._assertTokenRevoked(token_data_1)
token_data_2 = _sample_blank_token()
token_data_2['user_id'] = user_id
expire_delta = datetime.timedelta(seconds=2000)
future_time = timeutils.utcnow() + expire_delta
token_data_2['expires_at'] = future_time
self._assertTokenNotRevoked(token_data_2)
self.remove_event(event)
self._assertTokenNotRevoked(token_data_1)
def test_revoke_by_audit_id(self):
audit_id = provider.audit_info(parent_audit_id=None)[0]
token_data_1 = _sample_blank_token()
# Audit ID and Audit Chain ID are populated with the same value
# if the token is an original token
token_data_1['audit_id'] = audit_id
token_data_1['audit_chain_id'] = audit_id
event = self._revoke_by_audit_id(audit_id)
self._assertTokenRevoked(token_data_1)
audit_id_2 = provider.audit_info(parent_audit_id=audit_id)[0]
token_data_2 = _sample_blank_token()
token_data_2['audit_id'] = audit_id_2
token_data_2['audit_chain_id'] = audit_id
self._assertTokenNotRevoked(token_data_2)
self.remove_event(event)
self._assertTokenNotRevoked(token_data_1)
def test_revoke_by_audit_chain_id(self):
audit_id = provider.audit_info(parent_audit_id=None)[0]
token_data_1 = _sample_blank_token()
# Audit ID and Audit Chain ID are populated with the same value
# if the token is an original token
token_data_1['audit_id'] = audit_id
token_data_1['audit_chain_id'] = audit_id
event = self._revoke_by_audit_chain_id(audit_id)
self._assertTokenRevoked(token_data_1)
audit_id_2 = provider.audit_info(parent_audit_id=audit_id)[0]
token_data_2 = _sample_blank_token()
token_data_2['audit_id'] = audit_id_2
token_data_2['audit_chain_id'] = audit_id
self._assertTokenRevoked(token_data_2)
self.remove_event(event)
self._assertTokenNotRevoked(token_data_1)
self._assertTokenNotRevoked(token_data_2)
def test_by_user_project(self):
# When a user has a project-scoped token and the project-scoped token
# is revoked then the token is revoked.
user_id = _new_id()
project_id = _new_id()
future_time = _future_time()
token_data = _sample_blank_token()
token_data['user_id'] = user_id
token_data['project_id'] = project_id
token_data['expires_at'] = future_time.replace(microsecond=0)
self._revoke_by_expiration(user_id, future_time, project_id=project_id)
self._assertTokenRevoked(token_data)
def test_by_user_domain(self):
# When a user has a domain-scoped token and the domain-scoped token
# is revoked then the token is revoked.
user_id = _new_id()
domain_id = _new_id()
future_time = _future_time()
token_data = _sample_blank_token()
token_data['user_id'] = user_id
token_data['assignment_domain_id'] = domain_id
token_data['expires_at'] = future_time.replace(microsecond=0)
self._revoke_by_expiration(user_id, future_time, domain_id=domain_id)
self._assertTokenRevoked(token_data)
def remove_event(self, event):
self.events.remove(event)
remove_event(self.revoke_events, event)
def test_by_project_grant(self):
token_to_revoke = self.token_to_revoke
tokens = self.project_tokens
self._assertTokenNotRevoked(token_to_revoke)
for token in tokens:
self._assertTokenNotRevoked(token)
event = self._revoke_by_grant(role_id=self.role_ids[0],
user_id=self.user_ids[0],
project_id=self.project_ids[0])
self._assertTokenRevoked(token_to_revoke)
for token in tokens:
self._assertTokenNotRevoked(token)
self.remove_event(event)
self._assertTokenNotRevoked(token_to_revoke)
for token in tokens:
self._assertTokenNotRevoked(token)
token_to_revoke['roles'] = [self.role_ids[0],
self.role_ids[1],
self.role_ids[2]]
event = self._revoke_by_grant(role_id=self.role_ids[0],
user_id=self.user_ids[0],
project_id=self.project_ids[0])
self._assertTokenRevoked(token_to_revoke)
self.remove_event(event)
self._assertTokenNotRevoked(token_to_revoke)
event = self._revoke_by_grant(role_id=self.role_ids[1],
user_id=self.user_ids[0],
project_id=self.project_ids[0])
self._assertTokenRevoked(token_to_revoke)
self.remove_event(event)
self._assertTokenNotRevoked(token_to_revoke)
self._revoke_by_grant(role_id=self.role_ids[0],
user_id=self.user_ids[0],
project_id=self.project_ids[0])
self._revoke_by_grant(role_id=self.role_ids[1],
user_id=self.user_ids[0],
project_id=self.project_ids[0])
self._revoke_by_grant(role_id=self.role_ids[2],
user_id=self.user_ids[0],
project_id=self.project_ids[0])
self._assertTokenRevoked(token_to_revoke)
def test_by_project_and_user_and_role(self):
user_id1 = _new_id()
user_id2 = _new_id()
project_id = _new_id()
self.events.append(self._revoke_by_user(user_id1))
self.events.append(
self._revoke_by_user_and_project(user_id2, project_id))
token_data = _sample_blank_token()
token_data['user_id'] = user_id2
token_data['project_id'] = project_id
self._assertTokenRevoked(token_data)
def test_by_domain_user(self):
# If revoke a domain, then a token for a user in the domain is revoked
user_id = _new_id()
domain_id = _new_id()
token_data = _sample_blank_token()
token_data['user_id'] = user_id
token_data['identity_domain_id'] = domain_id
self._revoke_by_domain(domain_id)
self._assertTokenRevoked(token_data)
def test_by_domain_project(self):
# If revoke a domain, then a token scoped to a project in the domain
# is revoked.
user_id = _new_id()
user_domain_id = _new_id()
project_id = _new_id()
project_domain_id = _new_id()
token_data = _sample_blank_token()
token_data['user_id'] = user_id
token_data['identity_domain_id'] = user_domain_id
token_data['project_id'] = project_id
token_data['assignment_domain_id'] = project_domain_id
self._revoke_by_domain(project_domain_id)
self._assertTokenRevoked(token_data)
def test_by_domain_domain(self):
# If revoke a domain, then a token scoped to the domain is revoked.
user_id = _new_id()
user_domain_id = _new_id()
domain_id = _new_id()
token_data = _sample_blank_token()
token_data['user_id'] = user_id
token_data['identity_domain_id'] = user_domain_id
token_data['assignment_domain_id'] = domain_id
self._revoke_by_domain(domain_id)
self._assertTokenRevoked(token_data)
def _assertEmpty(self, collection):
return self.assertEqual(0, len(collection), "collection not empty")
def test_cleanup(self):
events = self.events
self._assertEmpty(self.revoke_events)
for i in range(0, 10):
events.append(
self._revoke_by_project_role_assignment(_new_id(), _new_id()))
events.append(
self._revoke_by_domain_role_assignment(_new_id(), _new_id()))
events.append(
self._revoke_by_domain_role_assignment(_new_id(), _new_id()))
events.append(
self._revoke_by_user_and_project(_new_id(), _new_id()))
for event in self.events:
remove_event(self.revoke_events, event)
self._assertEmpty(self.revoke_events)