forked from ScoDoc/ScoDoc
252 lines
8.6 KiB
Python
252 lines
8.6 KiB
Python
# -*- coding: UTF-8 -*
|
|
"""
|
|
auth.cas.py
|
|
"""
|
|
import datetime
|
|
|
|
import flask
|
|
from flask import current_app, flash, url_for
|
|
from flask_login import current_user, login_user
|
|
|
|
from app import db
|
|
from app.auth import bp
|
|
from app.auth.models import User
|
|
from app.models.config import ScoDocSiteConfig
|
|
from app.scodoc import sco_excel
|
|
from app.scodoc.sco_exceptions import ScoValueError, AccessDenied
|
|
import app.scodoc.sco_utils as scu
|
|
|
|
# after_cas_login/after_cas_logout : routes appelées par redirect depuis le serveur CAS.
|
|
|
|
|
|
@bp.route("/after_cas_login")
|
|
def after_cas_login():
|
|
"Called by CAS after CAS authentication"
|
|
# Ici on a les infos dans flask.session["CAS_ATTRIBUTES"]
|
|
if ScoDocSiteConfig.is_cas_enabled() and ("CAS_ATTRIBUTES" in flask.session):
|
|
# Lookup user:
|
|
cas_id = flask.session["CAS_ATTRIBUTES"].get(
|
|
"cas:" + ScoDocSiteConfig.get("cas_attribute_id"),
|
|
flask.session.get("CAS_USERNAME"),
|
|
)
|
|
if cas_id is not None:
|
|
user: User = User.query.filter_by(cas_id=cas_id).first()
|
|
if user and user.active:
|
|
if user.cas_allow_login:
|
|
current_app.logger.info(f"CAS: login {user.user_name}")
|
|
if login_user(user):
|
|
flask.session[
|
|
"scodoc_cas_login_date"
|
|
] = datetime.datetime.now().isoformat()
|
|
user.cas_last_login = datetime.datetime.utcnow()
|
|
db.session.add(user)
|
|
db.session.commit()
|
|
return flask.redirect(url_for("scodoc.index"))
|
|
else:
|
|
current_app.logger.info(
|
|
f"CAS login denied for {user.user_name} (not allowed to use CAS)"
|
|
)
|
|
else:
|
|
current_app.logger.info(
|
|
f"""CAS login denied for {
|
|
user.user_name if user else ""
|
|
} cas_id={cas_id} (unknown or inactive)"""
|
|
)
|
|
else:
|
|
current_app.logger.info(
|
|
f"""CAS attribute '{ScoDocSiteConfig.get("cas_attribute_id")}' not found !
|
|
(check your ScoDoc config)"""
|
|
)
|
|
|
|
# Echec:
|
|
flash("échec de l'authentification")
|
|
return flask.redirect(url_for("auth.login"))
|
|
|
|
|
|
@bp.route("/after_cas_logout")
|
|
def after_cas_logout():
|
|
"Called by CAS after CAS logout"
|
|
flash("Vous êtes déconnecté")
|
|
current_app.logger.info("after_cas_logout")
|
|
return flask.redirect(url_for("scodoc.index"))
|
|
|
|
|
|
def cas_error_callback(message):
|
|
"Called by CAS when an error occurs, with a message"
|
|
raise ScoValueError(f"Erreur authentification CAS: {message}")
|
|
|
|
|
|
def set_cas_configuration(app: flask.app.Flask = None):
|
|
"""Force la configuration du module flask_cas à partir des paramètres de
|
|
la config de ScoDoc.
|
|
Appelé au démarrage et à chaque modif des paramètres.
|
|
"""
|
|
app = app or current_app
|
|
if ScoDocSiteConfig.is_cas_enabled():
|
|
current_app.logger.debug("CAS: set_cas_configuration")
|
|
app.config["CAS_SERVER"] = ScoDocSiteConfig.get("cas_server")
|
|
app.config["CAS_LOGIN_ROUTE"] = ScoDocSiteConfig.get("cas_login_route", "/cas")
|
|
app.config["CAS_LOGOUT_ROUTE"] = ScoDocSiteConfig.get(
|
|
"cas_logout_route", "/cas/logout"
|
|
)
|
|
app.config["CAS_VALIDATE_ROUTE"] = ScoDocSiteConfig.get(
|
|
"cas_validate_route", "/cas/serviceValidate"
|
|
)
|
|
app.config["CAS_AFTER_LOGIN"] = "auth.after_cas_login"
|
|
app.config["CAS_AFTER_LOGOUT"] = "auth.after_cas_logout"
|
|
app.config["CAS_ERROR_CALLBACK"] = cas_error_callback
|
|
app.config["CAS_SSL_VERIFY"] = ScoDocSiteConfig.get("cas_ssl_verify")
|
|
app.config["CAS_SSL_CERTIFICATE"] = ScoDocSiteConfig.get("cas_ssl_certificate")
|
|
else:
|
|
app.config.pop("CAS_SERVER", None)
|
|
app.config.pop("CAS_AFTER_LOGIN", None)
|
|
app.config.pop("CAS_AFTER_LOGOUT", None)
|
|
app.config.pop("CAS_SSL_VERIFY", None)
|
|
app.config.pop("CAS_SSL_CERTIFICATE", None)
|
|
|
|
|
|
CAS_USER_INFO_IDS = (
|
|
"user_name",
|
|
"nom",
|
|
"prenom",
|
|
"email",
|
|
"roles_string",
|
|
"active",
|
|
"dept",
|
|
"cas_id",
|
|
"cas_allow_login",
|
|
"cas_allow_scodoc_login",
|
|
"email_institutionnel",
|
|
)
|
|
CAS_USER_INFO_COMMENTS = (
|
|
"""user_name:
|
|
L'identifiant (login).
|
|
""",
|
|
"",
|
|
"",
|
|
"",
|
|
"Pour info: 0 si compte inactif",
|
|
"""Pour info: roles:
|
|
chaînes séparées par _:
|
|
1. Le rôle (Ens, Secr ou Admin)
|
|
2. Le département (en majuscule)
|
|
""",
|
|
"""dept:
|
|
Le département d'appartenance de l'utilisateur. Vide si l'utilisateur
|
|
intervient dans plusieurs départements.
|
|
""",
|
|
"""cas_id:
|
|
identifiant de l'utilisateur sur CAS (requis pour CAS).
|
|
""",
|
|
"""cas_allow_login:
|
|
autorise la connexion via CAS (optionnel, faux par défaut)
|
|
""",
|
|
"""cas_allow_scodoc_login
|
|
autorise connexion via ScoDoc même si CAS obligatoire (optionnel, faux par défaut)
|
|
""",
|
|
"""email_institutionnel
|
|
optionnel, le mail officiel de l'utilisateur.
|
|
Maximum 120 caractères.""",
|
|
)
|
|
|
|
|
|
def cas_users_generate_excel_sample() -> bytes:
|
|
"""generate an excel document suitable to import users CAS information"""
|
|
style = sco_excel.excel_make_style(bold=True)
|
|
titles = CAS_USER_INFO_IDS
|
|
titles_styles = [style] * len(titles)
|
|
# Extrait tous les utilisateurs (tous dept et statuts)
|
|
rows = []
|
|
for user in User.query.order_by(User.user_name):
|
|
u_dict = user.to_dict()
|
|
rows.append([u_dict.get(k) for k in CAS_USER_INFO_IDS])
|
|
return sco_excel.excel_simple_table(
|
|
lines=rows,
|
|
titles=titles,
|
|
titles_styles=titles_styles,
|
|
sheet_name="Utilisateurs ScoDoc",
|
|
comments=CAS_USER_INFO_COMMENTS,
|
|
)
|
|
|
|
|
|
def cas_users_import_excel_file(datafile) -> int:
|
|
"""
|
|
Import users CAS configuration from Excel file.
|
|
May change cas_id, cas_allow_login, cas_allow_scodoc_login
|
|
and active.
|
|
:param datafile: stream to be imported
|
|
:return: nb de comptes utilisateurs modifiés
|
|
"""
|
|
from app.scodoc import sco_import_users
|
|
|
|
if not current_user.is_administrator():
|
|
raise AccessDenied(f"invalid user ({current_user}) must be SuperAdmin")
|
|
current_app.logger.info("cas_users_import_excel_file by {current_user}")
|
|
|
|
users_infos = sco_import_users.read_users_excel_file(
|
|
datafile, titles=CAS_USER_INFO_IDS
|
|
)
|
|
|
|
return cas_users_import_data(users_infos=users_infos)
|
|
|
|
|
|
def cas_users_import_data(users_infos: list[dict]) -> int:
|
|
"""Import informations configuration CAS
|
|
users est une liste de dict, on utilise seulement les champs:
|
|
- user_name : la clé, l'utilisateur DOIT déjà exister
|
|
- cas_id : l'ID CAS a enregistrer.
|
|
- cas_allow_login
|
|
- cas_allow_scodoc_login
|
|
Les éventuels autres champs sont ignorés.
|
|
|
|
Return: nb de comptes modifiés.
|
|
"""
|
|
nb_modif = 0
|
|
users = []
|
|
for info in users_infos:
|
|
user: User = User.query.filter_by(user_name=info["user_name"]).first()
|
|
if not user:
|
|
db.session.rollback() # au cas où auto-flush
|
|
raise ScoValueError(f"""Utilisateur '{info["user_name"]}' inexistant""")
|
|
modif = False
|
|
new_cas_id = info["cas_id"].strip()
|
|
if new_cas_id != (user.cas_id or ""):
|
|
# check unicity
|
|
other = User.query.filter_by(cas_id=new_cas_id).first()
|
|
if other and other.id != user.id:
|
|
db.session.rollback() # au cas où auto-flush
|
|
raise ScoValueError(f"cas_id {new_cas_id} dupliqué")
|
|
user.cas_id = info["cas_id"].strip() or None
|
|
modif = True
|
|
val = scu.to_bool(info["cas_allow_login"])
|
|
if val != user.cas_allow_login:
|
|
user.cas_allow_login = val
|
|
modif = True
|
|
val = scu.to_bool(info["cas_allow_scodoc_login"])
|
|
if val != user.cas_allow_scodoc_login:
|
|
user.cas_allow_scodoc_login = val
|
|
modif = True
|
|
val = scu.to_bool(info["active"])
|
|
if val != (user.active or False):
|
|
user.active = val
|
|
modif = True
|
|
if modif:
|
|
nb_modif += 1
|
|
# Record modifications
|
|
for user in users:
|
|
try:
|
|
db.session.add(user)
|
|
except Exception as exc:
|
|
db.session.rollback()
|
|
raise ScoValueError(
|
|
"Erreur (1) durant l'importation des modifications"
|
|
) from exc
|
|
try:
|
|
db.session.commit()
|
|
except Exception as exc:
|
|
db.session.rollback()
|
|
raise ScoValueError(
|
|
"Erreur (2) durant l'importation des modifications"
|
|
) from exc
|
|
return nb_modif
|