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from fastapi import Depends, HTTPException, Request, status
from sqlalchemy.ext.asyncio import AsyncSession
from app.auth.jwt import JWTClaims, decode_token
from app.models.user import User
from app.utils.db import get_async_session
async def get_optional_user(
request: Request,
session: AsyncSession = Depends(get_async_session),
) -> User | None:
token = request.cookies.get("access_token")
if not token:
return None
try:
payload: JWTClaims = decode_token(token)
except Exception:
return None
sub = payload["sub"]
token_version = payload["token_version"]
if not sub.isdigit():
return None
user_id = int(sub)
user = await User.get_user_by_id(user_id, session=session)
if not user:
return None
if user.token_version != token_version:
return None
return user
async def get_current_user(
user: User | None = Depends(get_optional_user),
) -> User:
if user is None:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Not authenticated",
)
return user
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