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"""A PGP plugin for GNU Mailman."""
from mailman.interfaces.listmanager import ListDeletedEvent
from mailman.interfaces.plugin import IPlugin
from public import public
from zope.event import classhandler
from zope.interface import implementer
from mailman_pgp.config import config
from mailman_pgp.database import Database, transaction
from mailman_pgp.model.list import EncryptedMailingList
from mailman_pgp.pgp import PGP
from mailman_pgp.rest.root import RESTRoot
@public
@implementer(IPlugin)
class PGPMailman:
def pre_hook(self):
"""See `IPlugin`."""
config.load(self.name)
config.db = Database()
config.pgp = PGP()
def post_hook(self):
"""See `IPlugin`."""
pass
def rest_object(self):
"""See `IPlugin`."""
return RESTRoot()
@classhandler.handler(ListDeletedEvent)
def on_delete(mlist):
encrypted_list = config.db.session.query(EncryptedMailingList).filter_by(
list_id=mlist.list_id).first()
if encrypted_list:
with transaction() as session:
# TODO shred the list key
session.delete(encrypted_list)
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