49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
from datetime import datetime
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from fastapi import Depends, Request
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from jose import JWTError, jwt
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from app.config import settings
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from app.exceptions import (IncorrectTokenFormatException,
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TokenAbsentException, TokenExpiredException,
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UserIsNotPresentException, UserDontHavePermissionException)
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from app.users.dao import UserDAO
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from app.users.models import Users
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def get_token(request: Request):
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token = request.cookies.get("black_phoenix_access_token")
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if not token:
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raise TokenAbsentException
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return token
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async def get_current_user(token: str = Depends(get_token)):
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try:
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payload = jwt.decode(
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token, settings.SECRET_KEY, settings.ALGORITHM
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)
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except JWTError:
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raise IncorrectTokenFormatException
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expire: str = payload.get("exp")
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if not expire or int(expire) < datetime.utcnow().timestamp():
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raise TokenExpiredException
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user_id: str = payload.get("sub")
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if not user_id:
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raise UserIsNotPresentException
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user = await UserDAO.find_one_or_none(id=int(user_id))
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if not user:
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raise UserIsNotPresentException
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return user
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async def get_user_allowed_chats(user_id: int):
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user_allowed_chats = await UserDAO.get_user_allowed_chats(user_id)
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return user_allowed_chats
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async def validate_user_access_to_chat(user_id: int, chat_id: int):
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user_allowed_chats = await get_user_allowed_chats(user_id=user_id)
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if not chat_id in user_allowed_chats:
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raise UserDontHavePermissionException
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return True
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