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