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ErrorDetecting/backend/app/deps/auth.py

32 lines
1.3 KiB

from fastapi import Header, HTTPException, Depends
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy import select
from ..db import get_db
from ..models.users import User
from ..config import JWT_SECRET
import jwt
async def get_current_user(authorization: str | None = Header(None), db: AsyncSession = Depends(get_db)):
if not authorization or not authorization.startswith("Bearer "):
raise HTTPException(status_code=401, detail="not_authenticated")
token = authorization[7:]
try:
payload = jwt.decode(token, JWT_SECRET, algorithms=["HS256"])
username = payload.get("sub")
if not username:
raise HTTPException(status_code=401, detail="invalid_token")
try:
result = await db.execute(select(User).where(User.username == username).limit(1))
user = result.scalars().first()
if user:
if not user.is_active:
raise HTTPException(status_code=403, detail="inactive_user")
return user
except Exception:
pass
return {"username": username, "full_name": username, "is_active": True}
except jwt.ExpiredSignatureError:
raise HTTPException(status_code=401, detail="token_expired")
except jwt.InvalidTokenError:
raise HTTPException(status_code=401, detail="invalid_token")