Commit b41507d0 authored by Benjamin Graillot's avatar Benjamin Graillot

Ajout de derniere_connexion.py

parent fd35836f
# ⁻*- mode: python; coding: utf-8 -*-
# Re2o est un logiciel d'administration développé initiallement au rezometz. Il
# se veut agnostique au réseau considéré, de manière à être installable en
# quelques clics.
#
# Copyright © 2018 Benjamin Graillot
#
# Copyright © 2013-2015 Raphaël-David Lasseri <lasseri@crans.org>
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import sys
import re
from datetime import datetime
from django.core.management.base import BaseCommand, CommandError
from django.utils.timezone import make_aware
from users.models import User
# Une liste d'expressions régulières à chercher dans les logs.
# Elles doivent contenir un groupe 'date' et un groupe 'user'.
# Pour le CAS on prend comme entrée cat ~/cas.log | grep -B 2 -A 2 "ACTION: AUTHENTICATION_SUCCESS"| grep 'WHEN\|WHO'|sed 'N;s/\n/ /'
COMPILED_REGEX = map(re.compile, [
r'^(?P<date>\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}).*(?:'r'dovecot.*Login: user=<|'r'sshd.*Accepted.*for 'r')(?P<user>[^ >]+).*$',
r'^(?P<date>.*) LOGIN INFO User logged in : (?P<user>.*)',
r'WHO: \[username: (?P<user>.*)\] WHEN: (?P<date>.* CET .*)',
r'WHO: \[username: (?P<user>.*)\] WHEN: (?P<date>.* CEST .*)'
])
# Les formats de date en strftime associés aux expressions ci-dessus.
DATE_FORMATS = [
"%Y-%m-%dT%H:%M:%S",
"%d/%b/%Y:%H:%M:%S",
"%a %b %d CET %H:%M:%S%Y",
"%a %b %d CEST %H:%M:%S%Y"
]
class Command(BaseCommand):
help = 'Update the time of the latest connection for users by matching stdin against a set of regular expressions'
def handle(self, *args, **options):
def parse_logs(logfile):
"""
Parse les logs sur l'entrée standard et rempli un dictionnaire
ayant pour clef le pseudo de l'adherent
"""
global COMPILED_REGEX, DATE_FORMATS
parsed_log = {}
for line in logfile:
for i, regex in enumerate(COMPILED_REGEX):
m = regex.match(line)
if m:
parsed_log[m.group('user')] = make_aware(datetime.strptime(m.group('date'), DATE_FORMATS[i]))
return parsed_log
parsed_log = parse_logs(sys.stdin)
for pseudo in parsed_log:
for user in User.objects.filter(pseudo=pseudo):
last_login = parsed_log.get(user.pseudo, user.last_login)
if not user.last_login:
user.last_login = last_login
elif last_login > user.last_login:
user.last_login = last_login
user.save()
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