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+# Copyright (C) 1998,1999,2000,2001,2002 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.
+
+"""Calculate the regular (i.e. non-digest) recipients of the message.
+
+This module calculates the non-digest recipients for the message based on the
+list's membership and configuration options. It places the list of recipients
+on the `recips' attribute of the message. This attribute is used by the
+SendmailDeliver and BulkDeliver modules.
+"""
+
+from Mailman import mm_cfg
+from Mailman import Utils
+from Mailman import Message
+from Mailman import Errors
+from Mailman.MemberAdaptor import ENABLED
+from Mailman.i18n import _
+from Mailman.Logging.Syslog import syslog
+
+
+
+def process(mlist, msg, msgdata):
+ # Short circuit if we've already calculated the recipients list,
+ # regardless of whether the list is empty or not.
+ if msgdata.has_key('recips'):
+ return
+ # Should the original sender should be included in the recipients list?
+ include_sender = 1
+ sender = msg.get_sender()
+ try:
+ if mlist.getMemberOption(sender, mm_cfg.DontReceiveOwnPosts):
+ include_sender = 0
+ except Errors.NotAMemberError:
+ pass
+ # Support for urgent messages, which bypasses digests and disabled
+ # delivery and forces an immediate delivery to all members Right Now. We
+ # are specifically /not/ allowing the site admins password to work here
+ # because we want to discourage the practice of sending the site admin
+ # password through email in the clear. (see also Approve.py)
+ missing = []
+ password = msg.get('urgent', missing)
+ if password is not missing:
+ if mlist.Authenticate((mm_cfg.AuthListModerator,
+ mm_cfg.AuthListAdmin),
+ password):
+ recips = mlist.getMemberCPAddresses(mlist.getRegularMemberKeys() +
+ mlist.getDigestMemberKeys())
+ msgdata['recips'] = recips
+ return
+ else:
+ # Bad Urgent: password, so reject it instead of passing it on. I
+ # think it's better that the sender know they screwed up than to
+ # deliver it normally.
+ realname = mlist.real_name
+ text = _("""\
+Your urgent message to the %(realname)s mailing list was not authorized for
+delivery. The original message as received by Mailman is attached.
+""")
+ raise Errors.RejectMessage, Utils.wrap(text)
+ # Calculate the regular recipients of the message
+ recips = [mlist.getMemberCPAddress(m)
+ for m in mlist.getRegularMemberKeys()
+ if mlist.getDeliveryStatus(m) == ENABLED]
+ # Remove the sender if they don't want to receive their own posts
+ if not include_sender:
+ try:
+ recips.remove(mlist.getMemberCPAddress(sender))
+ except (Errors.NotAMemberError, ValueError):
+ # Sender does not want to get copies of their own messages (not
+ # metoo), but delivery to their address is disabled (nomail). Or
+ # the sender is not a member of the mailing list.
+ pass
+ # Handle topic classifications
+ do_topic_filters(mlist, msg, msgdata, recips)
+ # Bookkeeping
+ msgdata['recips'] = recips
+
+
+
+def do_topic_filters(mlist, msg, msgdata, recips):
+ hits = msgdata.get('topichits')
+ zaprecips = []
+ if hits:
+ # The message hit some topics, so only deliver this message to those
+ # who are interested in one of the hit topics.
+ for user in recips:
+ utopics = mlist.getMemberTopics(user)
+ if not utopics:
+ # This user is not interested in any topics, so they get all
+ # postings.
+ continue
+ # BAW: Slow, first-match, set intersection!
+ for topic in utopics:
+ if topic in hits:
+ # The user wants this message
+ break
+ else:
+ # The user was interested in topics, but not any of the ones
+ # this message matched, so zap him.
+ zaprecips.append(user)
+ else:
+ # The semantics for a message that did not hit any of the pre-canned
+ # topics is to troll through the membership list, looking for users
+ # who selected at least one topic of interest, but turned on
+ # ReceiveNonmatchingTopics.
+ for user in recips:
+ if not mlist.getMemberTopics(user):
+ # The user did not select any topics of interest, so he gets
+ # this message by default.
+ continue
+ if not mlist.getMemberOption(user,
+ mm_cfg.ReceiveNonmatchingTopics):
+ # The user has interest in some topics, but elects not to
+ # receive message that match no topics, so zap him.
+ zaprecips.append(user)
+ # Otherwise, the user wants non-matching messages.
+ # Prune out the non-receiving users
+ for user in zaprecips:
+ recips.remove(user)
+