Files
n3wt-school/Back-End/Auth/backends.py
2026-03-15 10:07:20 +01:00

69 lines
2.2 KiB
Python

from django.contrib.auth import get_user_model
from django.contrib.auth.backends import ModelBackend
from Auth.models import Profile
from N3wtSchool import bdd
from rest_framework_simplejwt.authentication import JWTAuthentication
from rest_framework_simplejwt.exceptions import TokenError, InvalidToken
import logging
logger = logging.getLogger("Auth")
class EmailBackend(ModelBackend):
def authenticate(self, request, username=None, password=None, **kwargs):
if username is None:
username = kwargs.get(Profile.USERNAME_FIELD)
try:
user = Profile.objects.get(email=username)
# Vérifie le mot de passe de l'utilisateur
if user.check_password(password):
return user
except Profile.DoesNotExist:
return None
class LoggingJWTAuthentication(JWTAuthentication):
"""
Surclasse JWTAuthentication pour loguer pourquoi un token Bearer est rejeté.
Cela aide à diagnostiquer les 401 sans avoir à ajouter des prints partout.
"""
def authenticate(self, request):
header = self.get_header(request)
if header is None:
logger.debug("JWT: pas de header Authorization dans la requête %s %s",
request.method, request.path)
return None
raw_token = self.get_raw_token(header)
if raw_token is None:
logger.debug("JWT: header Authorization présent mais token vide pour %s %s",
request.method, request.path)
return None
try:
validated_token = self.get_validated_token(raw_token)
except InvalidToken as e:
logger.warning(
"JWT: token invalide pour %s %s%s",
request.method, request.path, str(e)
)
raise
try:
user = self.get_user(validated_token)
except Exception as e:
logger.warning(
"JWT: utilisateur introuvable pour %s %s%s",
request.method, request.path, str(e)
)
raise
logger.debug("JWT: authentification réussie user_id=%s pour %s %s",
user.pk, request.method, request.path)
return user, validated_token