diff options
Diffstat (limited to 'src/mailman/runners/bounce.py')
| -rw-r--r-- | src/mailman/runners/bounce.py | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/mailman/runners/bounce.py b/src/mailman/runners/bounce.py new file mode 100644 index 000000000..8902dcbbc --- /dev/null +++ b/src/mailman/runners/bounce.py @@ -0,0 +1,80 @@ +# Copyright (C) 2001-2011 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/>. + +"""Bounce queue runner.""" + +import logging + +from zope.component import getUtility + +from mailman.app.bounces import ( + ProbeVERP, StandardVERP, maybe_forward, scan_message) +from mailman.core.runner import Runner +from mailman.interfaces.bounce import BounceContext, IBounceProcessor, Stop + + +COMMASPACE = ', ' + +log = logging.getLogger('mailman.bounce') +elog = logging.getLogger('mailman.error') + + + +class BounceRunner(Runner): + """The bounce runner.""" + + def __init__(self, name, slice=None): + super(BounceRunner, self).__init__(name, slice) + self._processor = getUtility(IBounceProcessor) + + def _dispose(self, mlist, msg, msgdata): + # List isn't doing bounce processing? + if not mlist.bounce_processing: + return False + # Try VERP detection first, since it's quick and easy + context = BounceContext.normal + addresses = StandardVERP().get_verp(mlist, msg) + if addresses: + # We have an address, but check if the message is non-fatal. It + # will be non-fatal if the bounce scanner returns Stop. It will + # return a set of addresses when the bounce is fatal, but we don't + # care about those addresses, since we got it out of the VERP. + if scan_message(mlist, msg) is Stop: + return False + else: + # See if this was a probe message. + addresses = ProbeVERP().get_verp(mlist, msg) + if addresses: + context = BounceContext.probe + else: + # That didn't give us anything useful, so try the old fashion + # bounce matching modules. + addresses = scan_message(mlist, msg) + if addresses is Stop: + # This is a recognized, non-fatal notice. Ignore it. + return False + # If that still didn't return us any useful addresses, then send it on + # or discard it. + if len(addresses) > 0: + for address in addresses: + self._processor.register(mlist, address, msg, context) + else: + log.info('Bounce message w/no discernable addresses: %s', + msg.get('message-id', 'n/a')) + maybe_forward(mlist, msg) + # Dequeue this message. + return False |
