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# Copyright (C) 2007-2017 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman 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.
#
# GNU Mailman 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
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""The terminal 'reject' chain."""
import logging
from mailman.app.bounces import bounce_message
from mailman.chains.base import TerminalChainBase
from mailman.core.i18n import _
from mailman.interfaces.chain import RejectEvent
from mailman.interfaces.pipeline import RejectMessage
from mailman.interfaces.template import ITemplateLoader
from public import public
from zope.component import getUtility
from zope.event import notify
log = logging.getLogger('mailman.vette')
NEWLINE = '\n'
SEMISPACE = '; '
@public
class RejectChain(TerminalChainBase):
"""Reject/bounce a message."""
name = 'reject'
description = _('Reject/bounce a message and stop processing.')
def _process(self, mlist, msg, msgdata):
"""See `TerminalChainBase`."""
# Start by decorating the message with a header that contains a list
# of all the rules that matched. These metadata could be None or an
# empty list.
rule_hits = msgdata.get('rule_hits')
if rule_hits:
msg['X-Mailman-Rule-Hits'] = SEMISPACE.join(rule_hits)
rule_misses = msgdata.get('rule_misses')
if rule_misses:
msg['X-Mailman-Rule-Misses'] = SEMISPACE.join(rule_misses)
reasons = msgdata.get('moderation_reasons')
if reasons is None:
error = None
else:
template = getUtility(ITemplateLoader).get(
'list:user:notice:rejected', mlist)
error = RejectMessage(
template, reasons, dict(listname=mlist.display_name))
bounce_message(mlist, msg, error)
log.info('REJECT: %s', msg.get('message-id', 'n/a'))
notify(RejectEvent(mlist, msg, msgdata, self))
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