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# -*- python -*-
#
# Copyright (C) 2000-2018 by the Free Software Foundation, Inc.
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""Automatically send a message to a mailing list.
"""
# To use with Postfix, set the following in your main.cf file:
#
# recipient_delimiter = +
# luser_relay = mm+$user@yourdomain.com
# owner_request_special = no
import sys
import os
import time
import paths
from Mailman import mm_cfg
from Mailman import Utils
from Mailman import MailList
from Mailman import Errors
from Mailman.Queue.sbcache import get_switchboard
from Mailman.Logging.Utils import LogStdErr
# Error code if it's really not a Mailman list addr destination
EX_NOUSER = 67
LogStdErr('auto', 'auto')
DISPOSE_MAP = {None : 'tolist',
'request': 'torequest',
'admin' : 'toadmin',
'owner' : 'toadmin',
}
def fqdn_listname(listname, hostname):
return ('%s@%s' % (listname, hostname)).lower()
def main():
# Postfix sets some environment variables based on information gleaned
# from the original message. This is the most direct way to figure out
# which list the message was intended for.
extension = os.environ.get('EXTENSION', '').lower()
i = extension.rfind('-')
if i < 0:
listname = extension
subdest = 'tolist'
else:
missing = []
listname = extension[:i]
subdest = DISPOSE_MAP.get(extension[i+1:], missing)
if not Utils.list_exists(listname) or subdest is missing:
# must be a list that has a `-' in it's name
listname = extension
subdest = 'tolist'
if not listname:
print >> sys.stderr, 'Empty list name (someone being subversive?)'
return EX_NOUSER
try:
mlist = MailList.MailList(listname, lock=0)
except Errors.MMListError:
print >> sys.stderr, 'List not found:', listname
return EX_NOUSER
# Make sure that the domain part of the incoming address matches the
# domain of the mailing list. Actually, it's possible that one or the
# other is more fully qualified, and thus longer. So we split the domains
# by dots, reverse them and make sure that whatever parts /are/ defined
# for both are equivalent.
domain = os.environ.get('DOMAIN', '').lower()
domainp = domain.split('.')
hostname = mlist.host_name.split('.')
domainp.reverse()
hostname.reverse()
for ca, cb in zip(domainp, hostname):
if ca <> cb:
print >> sys.stderr, 'Domain mismatch: %s@%s (expected @%s)' \
% (listname, domain, mlist.host_name)
return EX_NOUSER
if subdest is None:
print >> sys.stderr, 'Bad sub-destination:', extension
return EX_NOUSER
inq = get_switchboard(mm_cfg.INQUEUE_DIR)
inq.enqueue(sys.stdin.read(),
listname=listname,
received_time=time.time(),
_plaintext=1,
**{subdest: 1})
return 0
if __name__ == '__main__':
code = main()
sys.exit(code)
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