9a0f7408b8
Use the abc module for managing abstract base classes in the driver layer and add missing methods to concrete classes. bp abstract-base-class-drivers fixes bug: 1227507 Change-Id: Ie8ebef10d1d0363813a07766433e18793fe448da
164 lines
5.8 KiB
Python
164 lines
5.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 OpenStack Foundation
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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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import copy
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from keystone.common import kvs
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from keystone import exception
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from keystone.openstack.common import log as logging
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from keystone.openstack.common import timeutils
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from keystone import token
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LOG = logging.getLogger(__name__)
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class Token(kvs.Base, token.Driver):
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"""kvs backend for tokens is deprecated.
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Deprecated in Havana and will be removed in Icehouse, as this backend
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is not production grade.
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"""
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def __init__(self, *args, **kw):
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super(Token, self).__init__(*args, **kw)
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LOG.warn(_("kvs token backend is DEPRECATED. Use "
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"keystone.token.backends.sql or "
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"keystone.token.backend.memcache instead."))
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# Public interface
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def get_token(self, token_id):
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try:
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ref = self.db.get('token-%s' % token_id)
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return copy.deepcopy(ref)
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except Exception:
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# On any issues here, Token is not found.
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raise exception.TokenNotFound(token_id=token_id)
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def create_token(self, token_id, data):
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data_copy = copy.deepcopy(data)
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data_copy['id'] = token_id
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if not data_copy.get('expires'):
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data_copy['expires'] = token.default_expire_time()
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if not data_copy.get('user_id'):
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data_copy['user_id'] = data_copy['user']['id']
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self.db.set('token-%s' % token_id, data_copy)
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return copy.deepcopy(data_copy)
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def delete_token(self, token_id):
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try:
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token_ref = self.get_token(token_id)
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self.db.delete('token-%s' % token_id)
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self.db.set('revoked-token-%s' % token_id, token_ref)
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except exception.NotFound:
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raise exception.TokenNotFound(token_id=token_id)
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def delete_tokens(self, user_id, tenant_id=None, trust_id=None,
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consumer_id=None):
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return super(Token, self).delete_tokens(
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user_id=user_id,
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tenant_id=tenant_id,
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trust_id=trust_id,
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consumer_id=consumer_id,
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)
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def is_not_expired(self, now, ref):
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return not ref.get('expires') and ref.get('expires') < now
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def is_expired(self, now, ref):
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return ref.get('expires') and ref.get('expires') < now
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def trust_matches(self, trust_id, ref):
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return ref.get('trust_id') and ref['trust_id'] == trust_id
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def _list_tokens_for_trust(self, trust_id):
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tokens = []
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now = timeutils.utcnow()
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for token, ref in self.db.items():
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if not token.startswith('token-') or self.is_expired(now, ref):
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continue
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if self.trust_matches(trust_id, ref):
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tokens.append(token.split('-', 1)[1])
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return tokens
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def _consumer_matches(self, consumer_id, token_ref_dict):
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if consumer_id is None:
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return True
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else:
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if 'token_data' in token_ref_dict:
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token_data = token_ref_dict.get('token_data')
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if 'token' in token_data:
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token = token_data.get('token')
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oauth = token.get('OS-OAUTH1')
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if oauth and oauth.get('consumer_id') == consumer_id:
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return True
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return False
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def _list_tokens_for_consumer(self, consumer_id):
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tokens = []
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now = timeutils.utcnow()
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for token, ref in self.db.items():
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if not token.startswith('token-') or self.is_expired(now, ref):
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continue
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if self._consumer_matches(consumer_id, ref):
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tokens.append(token.split('-', 1)[1])
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return tokens
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def _list_tokens_for_user(self, user_id, tenant_id=None):
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def user_matches(user_id, ref):
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return ref.get('user') and ref['user'].get('id') == user_id
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def tenant_matches(tenant_id, ref):
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return ((tenant_id is None) or
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(ref.get('tenant') and
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ref['tenant'].get('id') == tenant_id))
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tokens = []
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now = timeutils.utcnow()
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for token, ref in self.db.items():
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if not token.startswith('token-') or self.is_expired(now, ref):
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continue
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else:
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if (user_matches(user_id, ref) and
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tenant_matches(tenant_id, ref)):
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tokens.append(token.split('-', 1)[1])
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return tokens
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def list_tokens(self, user_id, tenant_id=None, trust_id=None,
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consumer_id=None):
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if trust_id:
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return self._list_tokens_for_trust(trust_id)
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if consumer_id:
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return self._list_tokens_for_consumer(consumer_id)
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else:
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return self._list_tokens_for_user(user_id, tenant_id)
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def list_revoked_tokens(self):
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tokens = []
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for token, token_ref in self.db.items():
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if not token.startswith('revoked-token-'):
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continue
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record = {}
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record['id'] = token_ref['id']
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record['expires'] = token_ref['expires']
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tokens.append(record)
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return tokens
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def flush_expired_tokens(self):
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now = timeutils.utcnow()
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for token, token_ref in self.db.items():
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if self.is_expired(now, token_ref):
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self.db.delete(token)
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