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#! /usr/bin/env python
#
# Copyright (C) 1998,1999,2000 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
"""Accept posts to a list and handle them properly.
The main advertised address for a list should be filtered to this program,
through the mail wrapper. E.g. for list `test@yourdomain.com', the `test'
alias would deliver to this script.
Stdin is the mail message, and argv[1] is the name of the target mailing list.
"""
import sys
import paths
from Mailman import mm_cfg
from Mailman import MailList
from Mailman import Message
from Mailman import Errors
from Mailman.Logging.Utils import LogStdErr
from Mailman.pythonlib.StringIO import StringIO
LogStdErr("error", "post")
def get_message(mlist):
msg = None
# Perhaps flow the message text through a filter program
prog = mlist.filter_prog
if prog:
import os, __main__
file = os.path.join(mm_cfg.VAR_PREFIX, 'filters', prog)
try:
execfile(file)
msg = Message.Message(StringIO(__main__.mailman_text))
except:
pass
if msg is None:
s = StringIO(sys.stdin.read())
msg = Message.Message(s)
return msg
def main():
# TBD: If you've configured your list or aliases so poorly as to get
# either of these first two errors, there's little that can be done to
# save your messages. They will be lost. Minimal testing of new lists
# should avoid either of these problems.
try:
listname = sys.argv[1]
except IndexError:
sys.stderr.write('Mailman error: post got no listname.\n')
sys.exit(1)
try:
mlist = MailList.MailList(listname, lock=0)
except Errors.MMListError, e:
sys.stderr.write('Mailman error: post got bad listname: %s\n%s' %
(listname, e))
sys.exit(1)
# We have a valid, unlocked list. This is enough to extract the message
# object in a usable form. From here on out, we should never lose
# messages.
msg = get_message(mlist)
# Immediately queue the message for the qrunner to deliver, mostly likely
# about a minute from now. The advantage to this approach is that
# messages should never get lost -- some MTAs have a hard limit to the
# time a filter prog can run. Postfix is a good example; if the limit is
# hit, the proc is SIGKILL'd giving us no chance to save the message. It
# could take a long time to acquire the lock. This way we're fairly safe
# against catastrophe at the expense of more disk I/O.
msg.Enqueue(mlist, tolist=1, _whichq=mm_cfg.INQUEUE_DIR)
if __name__ == '__main__':
main()
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