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Diffstat (limited to '')
| -rw-r--r-- | Mailman/Handlers/Moderate.py | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/Mailman/Handlers/Moderate.py b/Mailman/Handlers/Moderate.py new file mode 100644 index 00000000..d44cb89b --- /dev/null +++ b/Mailman/Handlers/Moderate.py @@ -0,0 +1,164 @@ +# Copyright (C) 2001,2002 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. + +"""Posting moderation filter. +""" + +import re +from email.MIMEMessage import MIMEMessage +from email.MIMEText import MIMEText + +from Mailman import mm_cfg +from Mailman import Utils +from Mailman import Message +from Mailman import Errors +from Mailman.i18n import _ +from Mailman.Handlers import Hold +from Mailman.Logging.Syslog import syslog + + + +class ModeratedMemberPost(Hold.ModeratedPost): + # BAW: I wanted to use the reason below to differentiate between this + # situation and normal ModeratedPost reasons. Greg Ward and Stonewall + # Ballard thought the language was too harsh and mentioned offense taken + # by some list members. I'd still like this class's reason to be + # different than the base class's reason, but we'll use this until someone + # can come up with something more clever but inoffensive. + # + # reason = _('Posts by member are currently quarantined for moderation') + pass + + + +def process(mlist, msg, msgdata): + if msgdata.get('approved'): + return + # First of all, is the poster a member or not? + for sender in msg.get_senders(): + if mlist.isMember(sender): + break + else: + sender = None + if sender: + # If the member's moderation flag is on, then perform the moderation + # action. + if mlist.getMemberOption(sender, mm_cfg.Moderate): + # Note that for member_moderation_action, 0==Hold, 1=Reject, + # 2==Discard + if mlist.member_moderation_action == 0: + # Hold. BAW: WIBNI we could add the member_moderation_notice + # to the notice sent back to the sender? + msgdata['sender'] = sender + Hold.hold_for_approval(mlist, msg, msgdata, + ModeratedMemberPost) + elif mlist.member_moderation_action == 1: + # Reject + text = mlist.member_moderation_notice + if text: + text = Utils.wrap(text) + else: + # Use the default RejectMessage notice string + text = None + raise Errors.RejectMessage, text + elif mlist.member_moderation_action == 2: + # Discard. BAW: Again, it would be nice if we could send a + # discard notice to the sender + raise Errors.DiscardMessage + else: + assert 0, 'bad member_moderation_action' + # Should we do anything explict to mark this message as getting past + # this point? No, because further pipeline handlers will need to do + # their own thing. + return + else: + sender = msg.get_sender() + # From here on out, we're dealing with non-members. + if matches_p(sender, mlist.accept_these_nonmembers): + return + if matches_p(sender, mlist.hold_these_nonmembers): + Hold.hold_for_approval(mlist, msg, msgdata, Hold.NonMemberPost) + # No return + if matches_p(sender, mlist.reject_these_nonmembers): + do_reject(mlist) + # No return + if matches_p(sender, mlist.discard_these_nonmembers): + do_discard(mlist, msg) + # No return + # Okay, so the sender wasn't specified explicitly by any of the non-member + # moderation configuration variables. Handle by way of generic non-member + # action. + assert 0 <= mlist.generic_nonmember_action <= 4 + if mlist.generic_nonmember_action == 0: + # Accept + return + elif mlist.generic_nonmember_action == 1: + Hold.hold_for_approval(mlist, msg, msgdata, Hold.NonMemberPost) + elif mlist.generic_nonmember_action == 2: + do_reject(mlist) + elif mlist.generic_nonmember_action == 3: + do_discard(mlist, msg) + + + +def matches_p(sender, nonmembers): + # First strip out all the regular expressions + plainaddrs = [addr for addr in nonmembers if not addr.startswith('^')] + addrdict = Utils.List2Dict(plainaddrs, foldcase=1) + if addrdict.has_key(sender): + return 1 + # Now do the regular expression matches + for are in nonmembers: + if are.startswith('^'): + try: + cre = re.compile(are, re.IGNORECASE) + except re.error: + continue + if cre.search(sender): + return 1 + return 0 + + + +def do_reject(mlist): + listowner = mlist.GetOwnerEmail() + raise Errors.RejectMessage, Utils.wrap(_("""\ +You are not allowed to post to this mailing list, and your message has been +automatically rejected. If you think that your messages are being rejected in +error, contact the mailing list owner at %(listowner)s.""")) + + + +def do_discard(mlist, msg): + sender = msg.get_sender() + # Do we forward auto-discards to the list owners? + if mlist.forward_auto_discards: + lang = mlist.preferred_language + varhelp = '%s/?VARHELP=privacy/sender/discard_these_nonmembers' % \ + mlist.GetScriptURL('admin', absolute=1) + nmsg = Message.UserNotification(mlist.GetOwnerEmail(), + mlist.GetBouncesEmail(), + _('Auto-discard notification'), + lang=lang) + nmsg.set_type('multipart/mixed') + text = MIMEText(Utils.wrap(_( + 'The attached message has been automatically discarded.')), + _charset=Utils.GetCharSet(lang)) + nmsg.attach(text) + nmsg.attach(MIMEMessage(msg)) + nmsg.send(mlist) + # Discard this sucker + raise Errors.DiscardMessage |