pegleg/pegleg/engine/util/pegleg_managed_document.py

142 lines
4.5 KiB
Python

# Copyright 2018 AT&T Intellectual Property. All other 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.
from datetime import datetime
import logging
PEGLEG_MANAGED_SCHEMA = 'pegleg/PeglegManagedDocument/v1'
ENCRYPTED = 'encrypted'
STORAGE_POLICY = 'storagePolicy'
METADATA = 'metadata'
LOG = logging.getLogger(__name__)
class PeglegManagedSecretsDocument(object):
"""Object representing one Pegleg managed secret document."""
def __init__(self, secrets_document):
"""
Parse and wrap an externally generated document in a
pegleg managed document.
:param secrets_document: The content of the source document
:type secrets_document: dict
"""
if self.is_pegleg_managed_secret(secrets_document):
self._pegleg_document = secrets_document
else:
self._pegleg_document =\
self.__wrap(secrets_document)
self._embedded_document = \
self._pegleg_document['data']['managedDocument']
@staticmethod
def __wrap(secrets_document):
"""
Embeds a valid deckhand document in a pegleg managed document.
:param secrets_document: secrets document to be embedded in a
pegleg managed document.
:type secrets_document: dict
:return: pegleg manged document with the wrapped original secrets
document.
:rtype: dict
"""
return {
'schema': PEGLEG_MANAGED_SCHEMA,
'metadata': {
'name': secrets_document['metadata']['name'],
'schema': 'deckhand/Document/v1',
'labels': secrets_document['metadata'].get('labels', {}),
'layeringDefinition': {
'abstract': False,
# The current requirement only requires site layer.
'layer': 'site',
},
'storagePolicy': 'cleartext'
},
'data': {
'managedDocument': {
'schema': secrets_document['schema'],
'metadata': secrets_document['metadata'],
'data': secrets_document['data']
}
}
}
@staticmethod
def is_pegleg_managed_secret(secrets_document):
""""
Verify if the document is already a pegleg managed secrets document.
:return: True if the document is a pegleg managed secrets document,
False otherwise.
:rtype: bool
"""
return PEGLEG_MANAGED_SCHEMA in secrets_document.get('schema')
@property
def embedded_document(self):
"""
parse the pegleg managed document, and return the embedded document
:return: The original secrets document unwrapped from the pegleg
managed document.
:rtype: dict
"""
return self._embedded_document
@property
def name(self):
return self._pegleg_document.get('metadata', {}).get('name')
@property
def data(self):
return self._pegleg_document.get('data')
@property
def pegleg_document(self):
return self._pegleg_document
def is_encrypted(self):
"""If the document is already encrypted return True. False
otherwise."""
return ENCRYPTED in self.data
def is_storage_policy_encrypted(self):
"""If the document's storagePolicy is set to encrypted return True.
False otherwise."""
return STORAGE_POLICY in self._embedded_document[METADATA] \
and ENCRYPTED in self._embedded_document[METADATA][STORAGE_POLICY]
def set_encrypted(self, author):
"""Mark the pegleg managed document as encrypted."""
self.data[ENCRYPTED] = {
'at': datetime.utcnow().isoformat(),
'by': author,
}
def set_decrypted(self):
"""Mark the pegleg managed document as un-encrypted."""
self.data.pop(ENCRYPTED)
def set_secret(self, secret):
self._embedded_document['data'] = secret
def get_secret(self):
return self._embedded_document.get('data')