#! /usr/bin/env python
#
# Copyright (c) 2002 Anand Kumria
#
# 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.

"""Reset the password on an existing list and send an introductory email.

Usage: %(PROGRAM)s [options] listname admin-password

Options:

    -h/--help
        Print this help text and exit.

You can specify as many of the arguments as you want on the command line:
you will be prompted for the missing ones.

Note that listnames are forced to lowercase.
"""

import sys
import os
import string
import time
import getpass
import getopt

import paths
from Mailman import mm_cfg
from Mailman import MailList
from Mailman import Utils
from Mailman import Errors
from Mailman import Message
from Mailman.Handlers import HandlerAPI
from Mailman.Crypt import crypt

PROGRAM = sys.argv[0]


def getusername():
    username = os.environ.get('USER') or os.environ.get('LOGNAME')
    if not username:
        import pwd
        username = pwd.getpwuid(os.getuid())[0]
    if not username:
        username = '<unknown>'
    return username



def usage(code, msg=''):
    print __doc__
    if msg:
        print msg
    sys.exit(code)



def main():
    try:
        opts, args = getopt.getopt(sys.argv[1:], 'h',
                                   ['help'])
    except getopt.error, msg:
        usage(1, msg)

    for opt, arg in opts:
        if opt in ('-h', '--help'):
            usage(0)

    if len(args) > 0:
	listname = args[0]
    else:
	listname = raw_input("Enter the name of the list: ")
    listname = string.lower(listname)

    if '@' in listname:
        usage(1, 'List name must not include "@": ' + listname)

    if len(args) > 1:
	list_pw = args[1]
    else:
        list_pw = getpass.getpass("Initial %s password: " % listname)
    # List passwords cannot be empty
    list_pw = string.strip(list_pw)
    if not list_pw:
        usage(1, 'The list password cannot be empty')

    try:
        mlist = MailList.MailList(listname, lock=1)
    except Errors.MMListError, e:
        print 'No such list "%s"\n%s' % (listname, e)
        sys.exit(1)

    try:
        mlist.password = crypt(list_pw , Utils.GetRandomSeed())
	mlist.Save()

        # send the notice to the list owner(s)
        text = Utils.maketext(
            'newlist.txt',
            {'listname'    : listname,
             'password'    : list_pw, 
             'admin_url'   : mlist.GetScriptURL('admin', absolute=1), 
             'listinfo_url': mlist.GetScriptURL('listinfo', absolute=1),
             'requestaddr' : "%s-request@%s" % (listname, mlist.host_name),
             'hostname'    : mlist.host_name,
             })

	for owner_mail in mlist.owner:
        	msg = Message.UserNotification(
            	owner_mail,
            	'mailman-owner@' + mlist.host_name,
            	'Your mailing list: ' + listname,
            	text)
        	HandlerAPI.DeliverToUser(mlist, msg)
    finally:
        mlist.Unlock()


if __name__ == '__main__':
    main()