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# Copyright (C) 1998 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."""
import string, os, sys
import operator
import errno
import mm_cfg
import Errors
import Utils
# Note that the text templates for the various messages have been moved into
# the templates directory.
# We could abstract these two better...
class Deliverer:
def AddNonStandardHeaders(self, headers, zaplist=None):
# Add headers like Precedence: and other useful headers. None of
# these are standard and finding information on some of them are
# fairly difficult. Some are just common practice, and we'll add more
# here as they become necessary. A good place to look is
# http://www.dsv.su.se/~jpalme/ietf/jp-ietf-home.html
#
# None of these headers are added if they already exist
d = {}
if zaplist is None:
zaplist = headers
for h in zaplist:
i = string.find(h, ':')
key = string.lower(h[:6])
d[key] = key
if not d.has_key('x-mailman-version'):
headers.append('X-Mailman-Version: %s\n' % mm_cfg.VERSION)
# semi-controversial: some don't want this included at all, others
# want the value to be `list'
if not d.has_key('precedence'):
headers.append('Precedence: bulk\n')
# Other list related non-standard headers. Defined in:
#
# Grant Neufeld and Joshua D. Baer: The Use of URLs as Meta-Syntax for
# Core Mail List Commands and their Transport through Message Header
# fields, draft-baer-listspec-01.txt, September 1997.
#
# Referenced in
#
# http://www.dsv.su.se/~jpalme/ietf/mail-attributes.html
if not d.has_key('list-id'):
headers.append('List-Id: %s\n' % self.GetListIdentifier())
# These currently seem like overkill. Maybe add them in later when
# the draft gets closer to a standard
# List-Subscribe
# List-Unsubscribe
# List-Owner
# List-Help
# List-Post
# List-Archive
# List-Software
# X-Listserver
# This method assumes the sender is list-admin if you don't give one.
def SendTextToUser(self, subject, text, recipient, sender=None,
add_headers=None):
if add_headers is None:
add_headers = []
if not sender:
sender = self.GetAdminEmail()
self.AddNonStandardHeaders(add_headers)
Utils.SendTextToUser(subject, text, recipient, sender,
add_headers=add_headers)
def DeliverToUser(self, msg, recipient):
# This method assumes the sender is the one given by the message.
add_headers = []
self.AddNonStandardHeaders(add_headers, msg.headers)
add_headers.append('Errors-To: %s\n' % self.GetAdminEmail())
Utils.DeliverToUser(msg, recipient, add_headers=add_headers)
def QuotePeriods(self, text):
return string.join(string.split(text, '\n.\n'), '\n .\n')
#
# This function is used to deliver messages
# that are sent to <listname>-admin. The sender
# of the Mailman-originating message is the admin address
# of the list -- otherwise, if both incoming sender and the
# list's admin address(es) were non-local, many MTAs
# wouldn't accept the message as it would be considered
# improper relaying.
# The recipients arg is a list of the current list
# owners. We don't mess with adding list specific
# headers on body modifications so that the address
# will work just like a normal forwarding address
#
def DeliverToOwner(self, msg, recipients):
if not (len(recipients)):
return
cmd = "%s %s" % (mm_cfg.PYTHON,
os.path.join(mm_cfg.SCRIPTS_DIR, "deliver"))
cmdproc = os.popen(cmd, 'w')
cmdproc.write("%d\n" % self.num_spawns)
cmdproc.write("%s\n" % self.GetAdminEmail())
for r in recipients:
# Mustn't send blank lines before end of recipients:
if not r: continue
cmdproc.write(r + "\n")
cmdproc.write('\n')
cmdproc.write(string.join(msg.headers, '') + "\n")
cmdproc.write(self.QuotePeriods(msg.body))
status = cmdproc.close()
if status:
self.LogMsg('deliverer',
'Non-zero exit status: %d\nCommand: %s'
(status >> 8), cmd)
def DeliverToList(self, msg, recipients,
header="", footer="", remove_to=0, tmpfile_prefix = ""):
if not(len(recipients)):
return
# Massage the headers.
if remove_to:
del msg['to']
del msg['x-to']
msg.headers.append('To: %s\n' % self.GetListEmail())
if self.reply_goes_to_list:
del msg['reply-to']
msg.headers.append('Reply-To: %s\n' % self.GetListEmail())
# get rid of duplicate fields
del msg['sender']
del msg['errors-to']
msg.headers.append('Sender: %s\n' % self.GetAdminEmail())
msg.headers.append('Errors-To: %s\n' % self.GetAdminEmail())
self.AddNonStandardHeaders(msg.headers)
msg.headers.append('X-BeenThere: %s\n' % self.GetListEmail())
cmd = "%s %s" % (mm_cfg.PYTHON,
os.path.join(mm_cfg.SCRIPTS_DIR, "deliver"))
cmdproc = os.popen(cmd, 'w')
cmdproc.write("%d\n" % self.num_spawns)
cmdproc.write("%s\n" % self.GetAdminEmail())
for r in recipients:
# Mustn't send blank lines before end of recipients:
if not r: continue
cmdproc.write(r + "\n")
cmdproc.write("\n") # Empty line for end of recipients.
cmdproc.write(string.join(msg.headers, '') + "\n")
if header: # The *body* header:
cmdproc.write(header + "\n")
cmdproc.write(self.QuotePeriods(msg.body))
if footer:
cmdproc.write(footer)
status = cmdproc.close()
if status:
self.LogMsg('deliverer',
'Non-zero exit status: %d\nCommand: %s',
(status >> 8), cmd)
def SendPostAck(self, msg, sender):
subject = msg.getheader('subject')
if not subject:
subject = '[none]'
else:
sp = self.subject_prefix
if (len(subject) > len(sp)
and subject[0:len(sp)] == sp):
# Trim off subject prefix
subject = subject[len(sp):]
# get the text from the template
body = Utils.maketext(
'postack.txt',
{'subject' : subject,
'listname' : self.real_name,
'listinfo_url': self.GetAbsoluteScriptURL('listinfo'),
})
self.SendTextToUser('%s post acknowlegement' % self.real_name,
body, sender)
def CreateSubscribeAck(self, name, password):
if self.welcome_msg:
welcome = Utils.wrap(self.welcome_msg) + '\n'
else:
welcome = ''
if self.umbrella_list:
umbrella = Utils.wrap(
"(Since this is a list of mailing lists, administrative"
" notices like the password reminder will be sent to"
" your membership administrative address, %s.)\n"
% self.GetMemberAdminEmail(name))
else:
umbrella = ''
# get the text from the template
body = Utils.maketext(
'subscribeack.txt',
{'real_name' : self.real_name,
'host_name' : self.host_name,
'welcome' : welcome,
'umbrella' : umbrella,
'emailaddr' : self.GetListEmail(),
'listinfo_url': self.GetAbsoluteScriptURL('listinfo'),
'optionsurl' : self.GetAbsoluteOptionsURL(name),
'password' : password,
})
return body
def SendSubscribeAck(self, name, password, digest):
if not self.send_welcome_msg:
return
if digest:
digest_mode = '(Digest mode)'
else:
digest_mode = ''
self.SendTextToUser(subject = 'Welcome To "%s"! %s' % (self.real_name,
digest_mode),
recipient = self.GetMemberAdminEmail(name),
text = self.CreateSubscribeAck(name, password))
def SendUnsubscribeAck(self, name):
self.SendTextToUser(subject = 'Unsubscribed from "%s"\n' %
self.real_name,
recipient = self.GetMemberAdminEmail(name),
text = Utils.wrap(self.goodbye_msg))
def MailUserPassword(self, user):
listfullname = '%s@%s' % (self.real_name, self.host_name)
ok = 1
# find the lowercased version of the user's address
user = self.FindUser(user)
if user and self.passwords.has_key(user):
cpuser = self.GetUserSubscribedAddress(user)
recipient = self.GetMemberAdminEmail(cpuser)
subj = '%s mailing list reminder\n' % listfullname
# get the text from the template
text = Utils.maketext(
'userpass.txt',
{'user' : cpuser,
'listname' : self.real_name,
'password' : self.passwords[user],
'options_url': self.GetAbsoluteOptionsURL(user),
'requestaddr': self.GetRequestEmail(),
'adminaddr' : self.GetAdminEmail(),
})
else:
ok = 0
recipient = self.GetAdminEmail()
subj = '%s user %s missing password!\n' % (listfullname, user)
text = Utils.maketext(
'nopass.txt',
{'username' : `user`,
'internal_name': self._internal_name,
})
self.SendTextToUser(subject = subj,
recipient = recipient,
text = text,
add_headers=["Errors-To: %s"
% self.GetAdminEmail(),
"X-No-Archive: yes",
"Precedence: bulk"])
if not ok:
raise Errors.MMBadUserError
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