Source code for mailman_pgp.model.db_key
# Copyright (C) 2017 Jan Jancar
#
# This file is a part of the Mailman PGP plugin.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>.
"""Database stored PGP key."""
from public import public
from sqlalchemy import Column, Integer, LargeBinary
from sqlalchemy.orm import reconstructor
from mailman_pgp.model.base import Base
from mailman_pgp.utils.pgp import key_from_blob
@public
[docs]class DBKey(Base):
"""Database stored PGP key."""
__tablename__ = 'keys'
id = Column(Integer, primary_key=True)
_key_material = Column('key_material', LargeBinary)
def __init__(self, key=None):
super().__init__()
self._init()
self.key = key
@reconstructor
def _init(self):
self._key = None
@property
def key(self):
if self._key is None:
self._key = key_from_blob(self._key_material)
return self._key
@key.setter
def key(self, value):
if value is None:
self._key = None
self._key_material = bytes()
else:
self._key = value
self._key_material = bytes(value)