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path: root/src/mailman_pgp/model/address.py
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""""""

from os.path import join, exists, isfile

from mailman.database.types import SAUnicode
from pgpy import PGPKey
from sqlalchemy import Column, Integer
from sqlalchemy.orm import reconstructor

from mailman_pgp.config import config
from mailman_pgp.model.base import Base


class EncryptedAddress(Base):
    __tablename__ = 'encrypted_addresses'

    id = Column(Integer, primary_key=True)
    email = Column(SAUnicode, index=True)
    key_fingerprint = Column(SAUnicode)

    def __init__(self, email):
        super().__init__()
        self.email = email
        self._init()

    @reconstructor
    def _init(self):
        self._key = None

    @property
    def key(self):
        if self._key is None:
            if exists(self.key_path) and isfile(self.key_path):
                self._key, _ = PGPKey.from_file(self.key_path)
        return self._key

    @property
    def key_path(self):
        return join(config.pgp.keydir_config['user_keydir'],
                    self.key_fingerprint + '.asc')