107 lines
4.3 KiB
Python
107 lines
4.3 KiB
Python
# Copyright 2013 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 hashlib
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import json
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from keystone.common import controller
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from keystone.common import dependency
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from keystone.common import driver_hints
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from keystone import exception
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from keystone.openstack.common.gettextutils import _
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@dependency.requires('credential_api')
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class CredentialV3(controller.V3Controller):
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collection_name = 'credentials'
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member_name = 'credential'
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def __init__(self):
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super(CredentialV3, self).__init__()
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self.get_member_from_driver = self.credential_api.get_credential
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def _assign_unique_id(self, ref, trust_id=None):
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# Generates and assigns a unique identifer to
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# a credential reference.
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if ref.get('type', '').lower() == 'ec2':
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try:
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blob = json.loads(ref.get('blob'))
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except (ValueError, TypeError):
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raise exception.ValidationError(
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message=_('Invalid blob in credential'))
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if not blob or not isinstance(blob, dict):
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raise exception.ValidationError(attribute='blob',
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target='credential')
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if blob.get('access') is None:
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raise exception.ValidationError(attribute='access',
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target='blob')
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ret_ref = ref.copy()
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ret_ref['id'] = hashlib.sha256(blob['access']).hexdigest()
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# Update the blob with the trust_id, so credentials created
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# with a trust scoped token will result in trust scoped
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# tokens when authentication via ec2tokens happens
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if trust_id is not None:
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blob['trust_id'] = trust_id
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ret_ref['blob'] = json.dumps(blob)
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return ret_ref
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else:
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return super(CredentialV3, self)._assign_unique_id(ref)
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@controller.protected()
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def create_credential(self, context, credential):
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trust_id = self._get_trust_id_for_request(context)
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ref = self._assign_unique_id(self._normalize_dict(credential),
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trust_id)
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ref = self.credential_api.create_credential(ref['id'], ref)
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return CredentialV3.wrap_member(context, ref)
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@staticmethod
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def _blob_to_json(ref):
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# credentials stored via ec2tokens before the fix for #1259584
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# need json serializing, as that's the documented API format
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blob = ref.get('blob')
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if isinstance(blob, dict):
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new_ref = ref.copy()
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new_ref['blob'] = json.dumps(blob)
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return new_ref
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else:
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return ref
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@controller.protected()
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def list_credentials(self, context):
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# NOTE(henry-nash): Since there are no filters for credentials, we
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# shouldn't limit the output, hence we don't pass a hints list into
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# the driver.
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refs = self.credential_api.list_credentials()
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ret_refs = [self._blob_to_json(r) for r in refs]
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return CredentialV3.wrap_collection(context, ret_refs,
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driver_hints.Hints())
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@controller.protected()
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def get_credential(self, context, credential_id):
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ref = self.credential_api.get_credential(credential_id)
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ret_ref = self._blob_to_json(ref)
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return CredentialV3.wrap_member(context, ret_ref)
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@controller.protected()
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def update_credential(self, context, credential_id, credential):
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self._require_matching_id(credential_id, credential)
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ref = self.credential_api.update_credential(credential_id, credential)
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return CredentialV3.wrap_member(context, ref)
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@controller.protected()
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def delete_credential(self, context, credential_id):
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return self.credential_api.delete_credential(credential_id)
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