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https://gitlab2.federez.net/re2o/re2o
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91 lines
3.3 KiB
Python
91 lines
3.3 KiB
Python
# ⁻*- mode: python; coding: utf-8 -*-
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# Re2o est un logiciel d'administration développé initiallement au Rézo Metz. Il
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# se veut agnostique au réseau considéré, de manière à être installable en
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# quelques clics.
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#
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# Copyright © 2018 Benjamin Graillot
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# Copyright © 2013-2015 Raphaël-David Lasseri <lasseri@crans.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import re
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import sys
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from datetime import datetime
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from django.core.management.base import BaseCommand, CommandError
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from django.utils.timezone import make_aware
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from users.models import User
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# Une liste d'expressions régulières à chercher dans les logs.
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# Elles doivent contenir un groupe 'date' et un groupe 'user'.
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# Pour le CAS on prend comme entrée
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# cat ~/cas.log | grep -B 2 -A 2 "ACTION: AUTHENTICATION_SUCCESS"| grep 'WHEN\|WHO'|sed 'N;s/\n/ /'
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COMPILED_REGEX = map(
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re.compile,
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[
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r"^(?P<date>\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}).*(?:"
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r"dovecot.*Login: user=<|"
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r"sshd.*Accepted.*for "
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r")(?P<user>[^ >]+).*$",
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r"^(?P<date>.*) LOGIN INFO User logged in : (?P<user>.*)",
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r"WHO: \[username: (?P<user>.*)\] WHEN: (?P<date>.* CET .*)",
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r"WHO: \[username: (?P<user>.*)\] WHEN: (?P<date>.* CEST .*)",
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],
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)
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# Les formats de date en strftime associés aux expressions ci-dessus.
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DATE_FORMATS = [
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"%Y-%m-%dT%H:%M:%S",
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"%d/%b/%Y:%H:%M:%S",
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"%a %b %d CET %H:%M:%S%Y",
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"%a %b %d CEST %H:%M:%S%Y",
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]
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class Command(BaseCommand):
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help = (
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"Update the time of the latest connection for users by matching"
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" stdin against a set of regular expressions."
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)
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def handle(self, *args, **options):
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def parse_logs(logfile):
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"""
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Parse les logs sur l'entrée standard et rempli un dictionnaire
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ayant pour clef le pseudo de l'adherent
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"""
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global COMPILED_REGEX, DATE_FORMATS
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parsed_log = {}
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for line in logfile:
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for i, regex in enumerate(COMPILED_REGEX):
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m = regex.match(line)
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if m:
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parsed_log[m.group("user")] = make_aware(
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datetime.strptime(m.group("date"), DATE_FORMATS[i])
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)
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return parsed_log
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parsed_log = parse_logs(sys.stdin)
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for pseudo in parsed_log:
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for user in User.objects.filter(pseudo=pseudo):
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last_login = parsed_log.get(user.pseudo, user.last_login)
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if not user.last_login:
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user.last_login = last_login
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elif last_login > user.last_login:
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user.last_login = last_login
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user.save()
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