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# Copyright (C) 2000-2008 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.
"""Archive queue runner."""
from __future__ import with_statement
import time
from email.Utils import parsedate_tz, mktime_tz, formatdate
from locknix.lockfile import Lock
from mailman.configuration import config
from mailman.queue import Runner
class ArchiveRunner(Runner):
QDIR = config.ARCHQUEUE_DIR
def _dispose(self, mlist, msg, msgdata):
# Support clobber_date, i.e. setting the date in the archive to the
# received date, not the (potentially bogus) Date: header of the
# original message.
clobber = 0
originaldate = msg.get('date')
receivedtime = formatdate(msgdata['received_time'])
if not originaldate:
clobber = 1
elif config.ARCHIVER_CLOBBER_DATE_POLICY == 1:
clobber = 1
elif config.ARCHIVER_CLOBBER_DATE_POLICY == 2:
# what's the timestamp on the original message?
tup = parsedate_tz(originaldate)
now = time.time()
try:
if not tup:
clobber = 1
elif abs(now - mktime_tz(tup)) > \
config.ARCHIVER_ALLOWABLE_SANE_DATE_SKEW:
clobber = 1
except (ValueError, OverflowError):
# The likely cause of this is that the year in the Date: field
# is horribly incorrect, e.g. (from SF bug # 571634):
# Date: Tue, 18 Jun 0102 05:12:09 +0500
# Obviously clobber such dates.
clobber = 1
if clobber:
del msg['date']
del msg['x-original-date']
msg['Date'] = receivedtime
if originaldate:
msg['X-Original-Date'] = originaldate
# Always put an indication of when we received the message.
msg['X-List-Received-Date'] = receivedtime
# While a list archiving lock is acquired, archive the message.
with Lock(os.path.join(mlist.full_path, 'archive.lck')):
mlist.ArchiveMail(msg)
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