# Copyright (C) 1998-2003 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. """Handler for auto-responses. """ import time from Mailman import Utils from Mailman import Message from Mailman.i18n import _ from Mailman.SafeDict import SafeDict from Mailman.Logging.Syslog import syslog def process(mlist, msg, msgdata): # Normally, the replybot should get a shot at this message, but there are # some important short-circuits, mostly to suppress 'bot storms, at least # for well behaved email bots (there are other governors for misbehaving # 'bots). First, if the original message has an "X-Ack: No" header, we # skip the replybot. Then, if the message has a Precedence header with # values bulk, junk, or list, and there's no explicit "X-Ack: yes" header, # we short-circuit. Finally, if the message metadata has a true 'noack' # key, then we skip the replybot too. ack = msg.get('x-ack', '').lower() if ack == 'no' or msgdata.get('noack'): return precedence = msg.get('precedence', '').lower() if ack <> 'yes' and precedence in ('bulk', 'junk', 'list'): return # Check to see if the list is even configured to autorespond to this email # message. Note: the owner script sets the `toowner' key, and the various # confirm, join, leave, request, subscribe and unsubscribe scripts set the # keys we use for `torequest'. toadmin = msgdata.get('toowner') torequest = msgdata.get('torequest') or msgdata.get('toconfirm') or \ msgdata.get('tojoin') or msgdata.get('toleave') if ((toadmin and not mlist.autorespond_admin) or (torequest and not mlist.autorespond_requests) or \ (not toadmin and not torequest and not mlist.autorespond_postings)): return # Now see if we're in the grace period for this sender. graceperiod <= 0 # means always autorespond, as does an "X-Ack: yes" header (useful for # debugging). sender = msg.get_sender() now = time.time() graceperiod = mlist.autoresponse_graceperiod if graceperiod > 0 and ack <> 'yes': if toadmin: quiet_until = mlist.admin_responses.get(sender, 0) elif torequest: quiet_until = mlist.request_responses.get(sender, 0) else: quiet_until = mlist.postings_responses.get(sender, 0) if quiet_until > now: return # # Okay, we know we're going to auto-respond to this sender, craft the # message, send it, and update the database. realname = mlist.real_name subject = _( 'Auto-response for your message to the "%(realname)s" mailing list') # Do string interpolation d = SafeDict({'listname' : realname, 'listurl' : mlist.GetScriptURL('listinfo'), 'requestemail': mlist.GetRequestEmail(), # BAW: Deprecate adminemail; it's not advertised but still # supported for backwards compatibility. 'adminemail' : mlist.GetBouncesEmail(), 'owneremail' : mlist.GetOwnerEmail(), }) # Just because we're using a SafeDict doesn't mean we can't get all sorts # of other exceptions from the string interpolation. Let's be ultra # conservative here. if toadmin: rtext = mlist.autoresponse_admin_text elif torequest: rtext = mlist.autoresponse_request_text else: rtext = mlist.autoresponse_postings_text # Using $-strings? if getattr(mlist, 'use_dollar_strings', 0): rtext = Utils.to_percent(rtext) try: text = rtext % d except Exception: syslog('error', 'Bad autoreply text for list: %s\n%s', mlist.internal_name(), rtext) text = rtext # Wrap the response. text = Utils.wrap(text) outmsg = Message.UserNotification(sender, mlist.GetBouncesEmail(), subject, text, mlist.preferred_language) outmsg['X-Mailer'] = _('The Mailman Replybot') # prevent recursions and mail loops! outmsg['X-Ack'] = 'No' outmsg.send(mlist) # update the grace period database if graceperiod > 0: # graceperiod is in days, we need # of seconds quiet_until = now + graceperiod * 24 * 60 * 60 if toadmin: mlist.admin_responses[sender] = quiet_until elif torequest: mlist.request_responses[sender] = quiet_until else: mlist.postings_responses[sender] = quiet_until