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postfixadmin/ADDITIONS/import_users_from_csv.py

232 lines
6.6 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Script takes a CSV list of users and does a 'bulk' insertion into mysql.
#
# Copyright (C) 2009 Simone Piccardi
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import csv
import getopt
import sys
import re
import time
import random, string
from datetime import datetime
from crypt import crypt
try:
import MySQLdb
except ImportError ,e:
print 'Cannot import the needed MySQLdb module, you must install it'
print 'on Debian systems just use the command'
print ' apt-get install python-mysqldb'
def usage():
print "Usage: inspostadmusers.py [options] users.csv"
print " -h print this help"
print " -t test run, do not insert, just print"
print " -u DB user"
print " -p DB password"
print " -D DB name"
print " -H DB host"
print " -q Quota in Mb (0 => no limit)"
print " -n char in seed"
print " -d debug info on"
print " -A create default alias for each domain"
print
print "the users.csv file must contains the user list with a line"
print "for each user, first line should be a title line with at least"
print "the following column names: "
print " * user - user part of the email (like user in user@domain.com)"
print " * password - cleartext password"
print " * domain - domain name (like 'domain.com')"
print " * name - full user name ('Name Surname')"
print
print "the 'name' column is optional, other columns will be ignored"
print
print "Known restrictions:"
print "* this script only works with MySQL"
print "* mailbox paths are hardcoded to domain/username/"
# option parsing
try:
opts, args = getopt.getopt(sys.argv[1:], 'u:p:d:D:H:htdA')
optval={}
for opt, val in opts:
if opt == "-h":
usage()
sys.exit(0)
else:
optval[opt]=val
except getopt.GetoptError:
usage()
sys.exit(2)
#
# Setup DB connection
#
MYSQLDB="postfixadmin"
MYSQLUSER="postfixadmin"
MYSQLPASSWORD=""
MYSQLHOST="localhost"
# settings by command line options
if optval.has_key('-u'):
MYSQLUSER = optval['-u']
if optval.has_key('-p'):
MYSQLPASSWORD = optval['-p']
if optval.has_key('-D'):
MYSQLDB = optval['-D']
if optval.has_key('-H'):
MYSQLHOST = optval['-H']
if optval.has_key('-q'):
quota = optval['-q']
else:
quota = 0
if optval.has_key('-n'):
seed_len = optval['-n']
else:
seed_len = 8
# check arguments, only the user list file must be present
if len(args) !=1:
print 'Need just one argument'
usage()
sys.exit(1)
# MySQL connection (skipped in test run)
if optval.has_key('-t'):
print "Test Run"
else:
try:
connection = MySQLdb.connect(host=MYSQLHOST, user=MYSQLUSER,
db=MYSQLDB, passwd=MYSQLPASSWORD)
except MySQLdb.MySQLError, e:
print "Database connection error"
print e
sys.exit(1)
cursor = connection.cursor()
#
# Main body
#
NOW = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
# read and convert CSV data
lista = csv.DictReader(open(args[0]))
def gen_seed(seed_len, chars):
return '$1$'+''.join([random.choice(chars) for _ in xrange(seed_len)])+'$'
def insert_record(cursor,table,record):
columns = record.keys()
query = "INSERT INTO " + table + "(" + ','.join(columns) + ") VALUES (" + ','.join(len(columns)*['%s']) + ")"
try:
cursor.execute(query, record.values())
return 0
except MySQLdb.MySQLError, e:
print "Database insertion error"
print e
print "Record was:"
print record.values()
print "Query was:"
print query
# defining default values for tables (mailbox, alias and domain)
mailbox = {
'created': NOW,
'modified': NOW,
'active': 1,
'quota': quota
}
aliases = {
'created': NOW,
'modified': NOW,
'active': 1
}
domain = {
'description': "",
'aliases': 0,
'mailboxes': 0,
'quota': 0,
'transport': 'virtual',
'backupmx': 0,
'created': NOW,
'modified': NOW,
'active': 1
}
# list of default alias
def_alias = ['abuse','hostmaster','postmaster','webmaster']
domain_list = {}
chars = string.letters + string.digits
# loop over the CSV
for row in lista:
# create domain if it does not exists
if domain_list.has_key(row["domain"]):
if optval.has_key('-d'):
print "Domain " + row["domain"] + "already exixts"
else:
domain_list[row["domain"]] = 1
domain['domain'] = row["domain"]
if optval.has_key('-t'):
print "Inserting domain"
print domain
else:
insert_record(cursor,'domain',domain)
if optval.has_key('-A'):
for i in def_alias:
aliases['address']= i+'@'+row["domain"]
aliases['goto']= aliases['address']
aliases['domain'] = row["domain"]
if optval.has_key('-t'):
print "Inserting alias"
print aliases
else:
insert_record(cursor,'alias',aliases)
# build query data for mailbox table
mailbox['username']=row["user"]+'@'+row["domain"]
encpass=crypt(row["password"], gen_seed(seed_len,chars))
mailbox['password'] = encpass
mailbox['name'] = row["name"]
mailbox['maildir'] = row["domain"]+'/'+row["user"]+'/'
mailbox['local_part'] =row["user"]
mailbox['domain'] = row["domain"]
# build query data for alias table
aliases['address']= mailbox['username']
aliases['goto']= mailbox['username']
aliases['domain'] = row["domain"]
# inserting data for mailbox (and relate alias)
if optval.has_key('-t'):
print "Inserting mailbox"
print mailbox
print aliases
else:
insert_record(cursor,'mailbox',mailbox)
insert_record(cursor,'alias',aliases)
sys.exit(0)