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path: root/Mailman/Deliverer.py
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# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


"""Mixin class with message delivery routines."""

from email.MIMEText import MIMEText
from email.MIMEMessage import MIMEMessage

from Mailman import mm_cfg
from Mailman import Errors
from Mailman import Utils
from Mailman import Message
from Mailman import i18n
from Mailman.Logging.Syslog import syslog

_ = i18n._

try:
    True, False
except NameError:
    True = 1
    False = 0



class Deliverer:
    def SendSubscribeAck(self, name, password, digest, text=''):
        pluser = self.getMemberLanguage(name)
        if not self.send_welcome_msg:
            return
        if self.welcome_msg:
            welcome = Utils.wrap(self.welcome_msg) + '\n'
        else:
            welcome = ''
        if self.umbrella_list:
            addr = self.GetMemberAdminEmail(name)
            umbrella = Utils.wrap(_('''\
Note: Since this is a list of mailing lists, administrative
notices like the password reminder will be sent to
your membership administrative address, %(addr)s.'''))
        else:
            umbrella = ''
        # get the text from the template
        text += Utils.maketext(
            'subscribeack.txt',
            {'real_name'   : self.real_name,
             'host_name'   : self.host_name,
             'welcome'     : welcome,
             'umbrella'    : umbrella,
             'emailaddr'   : self.GetListEmail(),
             'listinfo_url': self.GetScriptURL('listinfo', absolute=True),
             'optionsurl'  : self.GetOptionsURL(name, absolute=True),
             'password'    : password,
             'user'        : self.getMemberCPAddress(name),
             }, lang=pluser, mlist=self)
        if digest:
            digmode = _(' (Digest mode)')
        else:
            digmode = ''
        realname = self.real_name
        msg = Message.UserNotification(
            self.GetMemberAdminEmail(name), self.GetRequestEmail(),
            _('Welcome to the "%(realname)s" mailing list%(digmode)s'),
            text, pluser)
        msg['X-No-Archive'] = 'yes'
        msg.send(self, verp=mm_cfg.VERP_PERSONALIZED_DELIVERIES)

    def SendUnsubscribeAck(self, addr, lang):
        realname = self.real_name
        msg = Message.UserNotification(
            self.GetMemberAdminEmail(addr), self.GetBouncesEmail(),
            _('You have been unsubscribed from the %(realname)s mailing list'),
            Utils.wrap(self.goodbye_msg), lang)
        msg.send(self, verp=mm_cfg.VERP_PERSONALIZED_DELIVERIES)

    def MailUserPassword(self, user):
        listfullname = '%s@%s' % (self.real_name, self.host_name)
        requestaddr = self.GetRequestEmail()
        # find the lowercased version of the user's address
        adminaddr = self.GetBouncesEmail()
        assert self.isMember(user)
        if not self.getMemberPassword(user):
            # The user's password somehow got corrupted.  Generate a new one
            # for him, after logging this bogosity.
            syslog('error', 'User %s had a false password for list %s',
                   user, self.internal_name())
            waslocked = self.Locked()
            if not waslocked:
                self.Lock()
            try:
                self.setMemberPassword(user, Utils.MakeRandomPassword())
                self.Save()
            finally:
                if not waslocked:
                    self.Unlock()
        # Now send the user his password
        cpuser = self.getMemberCPAddress(user)
        recipient = self.GetMemberAdminEmail(cpuser)
        subject = _('%(listfullname)s mailing list reminder')
        # get the text from the template
        text = Utils.maketext(
            'userpass.txt',
            {'user'       : cpuser,
             'listname'   : self.real_name,
             'fqdn_lname' : self.GetListEmail(),
             'password'   : self.getMemberPassword(user),
             'options_url': self.GetOptionsURL(user, absolute=True),
             'requestaddr': requestaddr,
             'owneraddr'  : self.GetOwnerEmail(),
            }, lang=self.getMemberLanguage(user), mlist=self)
        msg = Message.UserNotification(recipient, adminaddr, subject, text,
                                       self.getMemberLanguage(user))
        msg['X-No-Archive'] = 'yes'
        msg.send(self, verp=mm_cfg.VERP_PERSONALIZED_DELIVERIES)

    def ForwardMessage(self, msg, text=None, subject=None, tomoderators=True):
        # Wrap the message as an attachment
        if text is None:
            text = _('No reason given')
        if subject is None:
            text = _('(no subject)')
        text = MIMEText(Utils.wrap(text),
                        _charset=Utils.GetCharSet(self.preferred_language))
        attachment = MIMEMessage(msg)
        notice = Message.OwnerNotification(
            self, subject, tomoderators=tomoderators)
        # Make it look like the message is going to the -owner address
        notice.set_type('multipart/mixed')
        notice.attach(text)
        notice.attach(attachment)
        notice.send(self)

    def SendHostileSubscriptionNotice(self, listname, address):
        # Some one was invited to one list but tried to confirm to a different
        # list.  We inform both list owners of the bogosity, but be careful
        # not to reveal too much information.
        selfname = self.internal_name()
        syslog('mischief', '%s was invited to %s but confirmed to %s',
               address, listname, selfname)
        # First send a notice to the attacked list
        msg = Message.OwnerNotification(
            self,
            _('Hostile subscription attempt detected'),
            Utils.wrap(_("""%(address)s was invited to a different mailing
list, but in a deliberate malicious attempt they tried to confirm the
invitation to your list.  We just thought you'd like to know.  No further
action by you is required.""")))
        msg.send(self)
        # Now send a notice to the invitee list
        try:
            # Avoid import loops
            from Mailman.MailList import MailList
            mlist = MailList(listname, lock=False)
        except Errors.MMListError:
            # Oh well
            return
        otrans = i18n.get_translation()
        i18n.set_language(mlist.preferred_language)
        try:
            msg = Message.OwnerNotification(
                mlist,
                _('Hostile subscription attempt detected'),
                Utils.wrap(_("""You invited %(address)s to your list, but in a
deliberate malicious attempt, they tried to confirm the invitation to a
different list.  We just thought you'd like to know.  No further action by you
is required.""")))
            msg.send(mlist)
        finally:
            i18n.set_translation(otrans)