178 lines
5.9 KiB
Python
178 lines
5.9 KiB
Python
# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from datetime import datetime
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import logging
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from pegleg import config
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from pegleg.engine.util import git
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PEGLEG_MANAGED_SCHEMA = 'pegleg/PeglegManagedDocument/v1'
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ENCRYPTED = 'encrypted'
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GENERATED = 'generated'
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STORAGE_POLICY = 'storagePolicy'
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METADATA = 'metadata'
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LOG = logging.getLogger(__name__)
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__all__ = ['PeglegManagedSecretsDocument']
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class PeglegManagedSecretsDocument(object):
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"""Object representing one Pegleg managed secret document."""
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def __init__(self, document, generated=False, catalog=None, author=None):
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"""
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Parse and wrap an externally generated document in a
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pegleg managed document.
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:param document: The content of the source document
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:type document: dict
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:param bool generated: A flag to indicate the documents are
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auto-generated by pegleg (True), or manually created (False).
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:param catalog: catalog of the generated secret documents. A catalog
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must be provided, only if generated is True.
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:type catalog: A subclass of the ABC
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pegleg.catalogs.base_catalog.BaseCatalog
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"""
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self._catalog = catalog
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self._author = author
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self._generated = generated
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if self.is_pegleg_managed_secret(document):
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self._pegleg_document = document
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else:
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self._pegleg_document = self.__wrap(
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document, generated, catalog, author)
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self._embedded_document = \
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self._pegleg_document['data']['managedDocument']
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@staticmethod
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def __wrap(secrets_document, generated=False, catalog=None, author=None):
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"""
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Embeds a valid deckhand document in a pegleg managed document.
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:param secrets_document: secrets document to be embedded in a
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pegleg managed document.
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:type secrets_document: dict
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:param bool generated: A flag to indicate the documents are
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auto-generated by pegleg (True), or manually created (False).
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:return: pegleg manged document with the wrapped original secrets
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document.
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:rtype: dict
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"""
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doc = {
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'schema': PEGLEG_MANAGED_SCHEMA,
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'metadata': {
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'name': secrets_document['metadata']['name'],
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'schema': 'metadata/Document/v1',
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'labels': secrets_document['metadata'].get('labels', {}),
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'layeringDefinition': {
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'abstract': False,
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# The current requirement only requires site layer.
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'layer': 'site',
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},
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'storagePolicy': 'cleartext'
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},
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'data': {
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'managedDocument': {
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'schema': secrets_document['schema'],
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'metadata': secrets_document['metadata'],
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'data': secrets_document['data']
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}
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}
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}
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if generated:
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doc['data'][GENERATED] = {
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'at': datetime.utcnow().isoformat(),
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'by': author,
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'specifiedBy': {
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'repo': git.repo_url(config.get_site_repo()),
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'reference': config.get_site_rev() or 'master',
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'path': catalog.catalog_path,
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},
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}
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return doc
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@staticmethod
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def is_pegleg_managed_secret(secrets_document):
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""""
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Verify if the document is already a pegleg managed secrets document.
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:return: True if the document is a pegleg managed secrets document,
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False otherwise.
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:rtype: bool
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"""
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return PEGLEG_MANAGED_SCHEMA in secrets_document.get('schema')
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@property
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def embedded_document(self):
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"""
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parse the pegleg managed document, and return the embedded document
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:return: The original secrets document unwrapped from the pegleg
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managed document.
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:rtype: dict
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"""
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return self._embedded_document
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@property
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def name(self):
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return self._pegleg_document.get('metadata', {}).get('name')
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@property
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def data(self):
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return self._pegleg_document.get('data')
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@property
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def pegleg_document(self):
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return self._pegleg_document
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def is_encrypted(self):
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"""If the document is already encrypted return True. False
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otherwise."""
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return ENCRYPTED in self.data
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def is_generated(self):
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"""If the document is already marked auto-generated return True. False
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otherwise."""
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return GENERATED in self.data
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def is_storage_policy_encrypted(self):
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"""If the document's storagePolicy is set to encrypted return True.
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False otherwise."""
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return STORAGE_POLICY in self._embedded_document[METADATA] \
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and ENCRYPTED in self._embedded_document[METADATA][STORAGE_POLICY]
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def set_encrypted(self, author=None):
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"""Mark the pegleg managed document as encrypted."""
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self.data[ENCRYPTED] = {
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'at': datetime.utcnow().isoformat()
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}
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if author:
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self.data[ENCRYPTED]['by'] = author
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def set_decrypted(self):
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"""Mark the pegleg managed document as un-encrypted."""
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self.data.pop(ENCRYPTED)
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def set_secret(self, secret):
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self._embedded_document['data'] = secret
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def get_secret(self):
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return self._embedded_document.get('data')
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