Добавлена проверка JWT-пользователя

backend/app/deps.py

@@ -0,0 +1,31 @@
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from sqlalchemy.orm import Session
+
+from . import models
+from .database import get_db
+from .security import decode_access_token
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/auth/login")
+
+
+def get_current_user(
+    token: str = Depends(oauth2_scheme), db: Session = Depends(get_db)
+) -> models.User:
+    """Возвращает активного пользователя по Bearer JWT."""
+    credentials_error = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Не удалось подтвердить учётные данные",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    payload = decode_access_token(token)
+    if not payload or not payload.get("sub"):
+        raise credentials_error
+    try:
+        user_id = int(payload["sub"])
+    except (TypeError, ValueError):
+        raise credentials_error
+    user = db.get(models.User, user_id)
+    if user is None or not user.is_active:
+        raise credentials_error
+    return user