32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from jose import JWTError, jwt
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from sqlalchemy.orm import Session
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from .core.config import settings
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from .crud import get_user_by_id
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from .db.session import get_db
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from .models import User
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl='/auth/login')
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def get_current_user(token: str = Depends(oauth2_scheme), db: Session = Depends(get_db)) -> User:
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail='Token inválido o expirado',
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headers={'WWW-Authenticate': 'Bearer'},
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)
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try:
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payload = jwt.decode(token, settings.secret_key, algorithms=[settings.algorithm])
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user_id = payload.get('sub')
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if user_id is None:
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raise credentials_exception
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except JWTError as exc:
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raise credentials_exception from exc
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user = get_user_by_id(db, int(user_id))
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if user is None:
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raise credentials_exception
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return user
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