77 lines
2.4 KiB
Python
77 lines
2.4 KiB
Python
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from fastapi import Depends, HTTPException, Request, status
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from fastapi.security import OAuth2PasswordBearer
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from backend.core.config import get_app_settings
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from backend.core import MessageCode
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import jwt
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from backend.services.user.user_service import UserService
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/token")
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oauth2_scheme_soft_fail = OAuth2PasswordBearer(tokenUrl="/api/auth/token", auto_error=False)
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ALGORITHM = "HS256"
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settings = get_app_settings()
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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async def is_logged_in(token: str = Depends(oauth2_scheme_soft_fail)) -> bool:
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try:
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payload = jwt.decode(token, settings.SECRET, algorithms=[ALGORITHM])
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user_id: str = payload.get("sub")
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exp: int = payload.get("exp")
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if exp is not None:
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try:
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user_service = UserService()
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user = user_service.get_by_id(user_id)
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if not user:
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raise credentials_exception
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if user.is_lock is not None:
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raise HTTPException(status_code=status.HTTP_423_LOCKED, detail=MessageCode.ACCOUNT_LOCK)
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except Exception:
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return credentials_exception
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return user
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except Exception:
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raise credentials_exception
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async def get_current_user(request: Request, token: str | None = Depends(oauth2_scheme_soft_fail)):
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"""verify that user has a valid session"""
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if token is None and settings.COOKIE_KEY in request.cookies:
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# Try extract from cookie
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token = request.cookies.get(settings.COOKIE_KEY, "")
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else:
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token = token or ""
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try:
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payload = jwt.decode(token, settings.SECRET, algorithms=[ALGORITHM])
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user_id: str = payload.get("sub")
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exp: int = payload.get("exp")
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if user_id is None or exp is None:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="credentials have expired",
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)
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user_service = UserService()
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user = user_service.get_by_id(user_id)
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if not user:
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raise credentials_exception
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if user.is_lock is True:
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raise HTTPException(status_code=status.HTTP_423_LOCKED, detail=MessageCode.ACCOUNT_LOCK)
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return user
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except jwt.ExpiredSignatureError:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="credentials have expired",
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)
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except Exception:
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raise credentials_exception
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