neckfire
8563e6daac
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- auth.py: JWT (python-jose) + bcrypt (passlib), get_current_user, require_admin - endpoints protégés via APIRouter(dependencies=[get_current_user]); /health public - /auth/login (rate-limit 5/min) + /auth/me - /admin/users CRUD + reset-password + /admin/journal (require_admin) - RGPD: /me/data-export (portabilité) + DELETE /me (oubli/anonymisation) - en-têtes de sécurité, CORS tous verbes + credentials - requirements: python-jose, passlib[bcrypt], bcrypt 4.0.1, python-multipart, slowapi
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
# ============================================================
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# auth.py — Authentification JWT + hachage bcrypt
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# Data Sentinel
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# ============================================================
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from datetime import datetime, timedelta, timezone
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from jose import jwt, JWTError
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from passlib.context import CryptContext
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from config import Config
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="auth/login")
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def verify_password(plain: str, hashed: str) -> bool:
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return pwd_context.verify(plain, hashed)
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def hash_password(plain: str) -> str:
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return pwd_context.hash(plain)
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def create_access_token(data: dict) -> str:
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payload = data.copy()
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payload["exp"] = datetime.now(timezone.utc) + timedelta(minutes=Config.TOKEN_EXPIRE_MINUTES)
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return jwt.encode(payload, Config.SECRET_KEY, algorithm=Config.ALGORITHM)
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def get_current_user(token: str = Depends(oauth2_scheme)) -> dict:
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"""Décode le JWT et retourne l'utilisateur courant, sinon 401."""
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creds_exc = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Identifiants invalides",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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payload = jwt.decode(token, Config.SECRET_KEY, algorithms=[Config.ALGORITHM])
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username = payload.get("sub")
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if not username:
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raise creds_exc
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return {"username": username, "role": payload.get("role"), "id_user": payload.get("uid")}
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except JWTError:
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raise creds_exc
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def require_admin(user: dict = Depends(get_current_user)) -> dict:
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"""Réserve l'accès aux administrateurs (403 sinon)."""
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if user.get("role") != "Admin":
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raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Accès réservé aux administrateurs")
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return user
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