src/mailman/chains/accept.py

   1 # Copyright (C) 2007-2019 by the Free Software Foundation, Inc.
   2 #
   3 # This file is part of GNU Mailman.
   4 #
   5 # GNU Mailman is free software: you can redistribute it and/or modify it under
   6 # the terms of the GNU General Public License as published by the Free
   7 # Software Foundation, either version 3 of the License, or (at your option)
   8 # any later version.
   9 #
  10 # GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 # more details.
  14 #
  15 # You should have received a copy of the GNU General Public License along with
  16 # GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 """The terminal 'accept' chain."""
  19
  20 import logging
  21
  22 from mailman.chains.base import TerminalChainBase
  23 from mailman.config import config
  24 from mailman.core.i18n import _
  25 from mailman.interfaces.chain import AcceptEvent
  26 from public import public
  27 from zope.event import notify
  28
  29
  30 log = logging.getLogger('mailman.vette')
  31 SEMISPACE = '; '
  32
  33
  34 @public
  35 class AcceptChain(TerminalChainBase):
  36     """Accept the message for posting."""
  37
  38     name = 'accept'
  39     description = _('Accept a message.')
  40
  41     def _process(self, mlist, msg, msgdata):
  42         """See `TerminalChainBase`."""
  43         # Start by decorating the message with a header that contains a list
  44         # of all the rules that matched.  These metadata could be None or an
  45         # empty list.
  46         rule_hits = msgdata.get('rule_hits')
  47         if rule_hits:
  48             msg['X-Mailman-Rule-Hits'] = SEMISPACE.join(rule_hits)
  49         rule_misses = msgdata.get('rule_misses')
  50         if rule_misses:
  51             msg['X-Mailman-Rule-Misses'] = SEMISPACE.join(rule_misses)
  52         config.switchboards['pipeline'].enqueue(msg, msgdata)
  53         log.info('ACCEPT: %s', msg.get('message-id', 'n/a'))
  54         notify(AcceptEvent(mlist, msg, msgdata, self))