backend

backend/core/security.py

@@ -0,0 +1,55 @@
+# backend/core/security.py
+from datetime import datetime, timedelta
+from typing import Optional
+
+from jose import JWTError, jwt
+
+# Importations pour get_current_user
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from sqlalchemy.orm import Session
+from schemas.token import TokenData
+from crud import user as crud_user
+from core.database import get_db
+
+# Importation ABSOLUE
+from core.config import settings
+
+# Nouvelle importation pour les fonctions de hachage
+from core.hashing import verify_password, get_password_hash # <-- NOUVEAU
+
+# Schéma OAuth2
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="auth/login")
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
+    return encoded_jwt
+
+# Fonction get_current_user
+async def get_current_user(token: str = Depends(oauth2_scheme), db: Session = Depends(get_db)):
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
+        username: str = payload.get("sub")
+        if username is None:
+            raise credentials_exception
+        token_data = TokenData(email=username)
+    except JWTError:
+        raise credentials_exception
+    user = crud_user.get_user_by_email(db, email=token_data.email)
+    if user is None:
+        raise credentials_exception
+    return user
+
+# LIGNE DE DÉBOGAGE CORRECTEMENT INDENTÉE (au niveau du module)
+print(f"DEBUG_SECURITY: Noms définis dans core.security.py : {dir()}")