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# 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/>.
"""A PGP enabled posting chain."""
from mailman.chains.base import Link
from mailman.core.i18n import _
from mailman.interfaces.chain import IChain, LinkAction
from public import public
from zope.interface import implementer
@public
@implementer(IChain)
class PGPChain:
"""Default PGP chain."""
name = 'pgp-posting-chain'
description = _('The PGP enabled moderation chain.')
_link_descriptions = (
('pgp-encryption', LinkAction.jump, 'moderation'),
('pgp-signature', LinkAction.jump, 'moderation'),
('pgp-mark', LinkAction.defer, None),
('truth', LinkAction.jump, 'default-posting-chain')
)
def __init__(self):
self._cached_links = None
def get_links(self, mlist, msg, msgdata):
"""See `IChain`."""
if self._cached_links is None:
self._cached_links = links = []
for rule, action, chain in self._link_descriptions:
links.append(Link(rule, action, chain))
return iter(self._cached_links)
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