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44 lines
1.6 KiB
Python

from fastapi import Depends, Header, HTTPException, status
from sqlalchemy.orm import Session
from app.core.jwt import decode_token
from app.db import get_db
from app.models import User
# Читает заголовок Authorization: Bearer <token>,
# декодирует, ищет пользователя по sub, проверяет is_active;
# при ошибке бросает HTTPException(401);
def get_current_user(
authorization: str | None = Header(default=None),
db: Session = Depends(get_db),
) -> User:
if not authorization or not authorization.lower().startswith("bearer "):
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED, detail="Authentication required"
)
token = authorization.split(" ", 1)[1]
try:
payload = decode_token(token)
except ValueError as exc:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid token"
) from exc
sub = payload.get("sub")
user = db.get(User, int(sub)) if isinstance(sub, str) and sub.isdigit() else None
if user is None or not user.is_active:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid token"
)
return user
# обёртка над get_current_user, дополнительно проверяет is_admin, иначе HTTPException(403)
def require_admin(user: User = Depends(get_current_user)) -> User:
if not user.is_admin:
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN, detail="Admin privileges required"
)
return user