ScoDoc/app/scodoc/sco_up_to_date.py

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# -*- mode: python -*-
# -*- coding: utf-8 -*-
##############################################################################
#
# Gestion scolarite IUT
#
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# Copyright (c) 1999 - 2022 Emmanuel Viennet. All rights reserved.
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#
# 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
#
# Emmanuel Viennet emmanuel.viennet@viennet.net
#
##############################################################################
""" Verification version logiciel vs version "stable" sur serveur
N'effectue pas la mise à jour automatiquement, mais permet un affichage d'avertissement.
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"""
import json
import requests
import time
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from flask import current_app
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from app import log
import app.scodoc.sco_utils as scu
from sco_version import SCOVERSION, SCONAME
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def is_up_to_date() -> str:
"""Check installed version vs last release.
Returns html message, empty of ok.
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"""
diag = ""
try:
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response = requests.get(scu.SCO_UP2DATE + "/" + SCOVERSION)
except requests.exceptions.ConnectionError:
current_app.logger.debug("is_up_to_date: %s", diag)
return f"""<div>Attention: installation de {SCONAME} non fonctionnelle.</div>
<div>Détails: pas de connexion à {scu.SCO_WEBSITE}.
Vérifier paramètrages réseau,
<a href="https://scodoc.org/GuideInstallDebian11/#informations-sur-les-flux-reseau">voir la documentation</a>.
</div>
"""
except:
current_app.logger.debug("is_up_to_date: %s", diag)
return f"""<div>Attention: installation de {SCONAME} non fonctionnelle.</div>
<div>Détails: erreur inconnue lors de la connexion à {scu.SCO_WEBSITE}.
Vérifier paramètrages réseau,
<a href="https://scodoc.org/GuideInstallDebian11/#informations-sur-les-flux-reseau">voir la documentation</a>.
</div>
"""
if response.status_code != 200:
current_app.logger.debug(
f"is_up_to_date: invalid response code ({response.status_code})"
)
return f"""<div>Attention: réponse invalide de {scu.SCO_WEBSITE}</div>
<div>(erreur http {response.status_code}).</div>"""
try:
infos = json.loads(response.text)
except json.decoder.JSONDecodeError:
current_app.logger.debug(f"is_up_to_date: invalid response (json)")
return f"""<div>Attention: réponse invalide de {scu.SCO_WEBSITE}</div>
<div>(erreur json).</div>"""
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if infos["status"] != "ok":
# problème coté serveur, ignore discrètement
log(f"is_up_to_date: server {infos['status']}")
return ""
if (SCOVERSION != infos["last_version"]) and (
(time.time() - infos["last_version_date"]) > (24 * 60 * 60)
):
# nouvelle version publiée depuis plus de 24h !
return f"""<div>Attention: {SCONAME} version ({SCOVERSION}) non à jour
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({infos["last_version"]} disponible).</div>
<div>Contacter votre administrateur système
(<a href="https://scodoc.org/MisesAJour/">documentation</a>).
</div>
"""
return "" # ok