kamihi.tg.handlers.auth_handler

Custom handler for Telegram bot that checks if a user is authorized to use a wrapped handler.

License

MIT

Classes:

Name	Description
AuthHandler	Custom wrapper handler that checks if the user is authorized to use the wrapped handler before executing it.

AuthHandler

AuthHandler(handler: BaseHandler, name: str)

Bases: BaseHandler

Custom wrapper handler that checks if the user is authorized to use the wrapped handler before executing it.

Attributes:

Name	Type	Description
handler	BaseHandler	the handler to be wrapped.
name	str	The name of the action.

Initialize the AuthHandler with the callback function.

Methods:

Name	Description
check_update	Determine if an update should be handled by this handler instance.

Source code in src/kamihi/tg/handlers/auth_handler.py

def __init__(self, handler: BaseHandler, name: str) -> None:
    """Initialize the AuthHandler with the callback function."""
    self.handler = handler
    self.name = name
    super().__init__(self.handler.callback)

check_update

check_update(update: Update) -> bool

Determine if an update should be handled by this handler instance.

Source code in src/kamihi/tg/handlers/auth_handler.py

def check_update(self, update: Update) -> bool:
    """Determine if an update should be handled by this handler instance."""
    if not isinstance(update, Update):
        return False

    if update.message and update.effective_user:
        user = get_user_from_telegram_id(update.effective_user.id)

        if user is None:
            logger.bind(user_id=update.effective_user.id, action=self.name).debug(
                "User not found in the database tried to use action."
            )
            return False

        if not is_user_authorized(user, self.name):
            logger.bind(user_id=user.telegram_id, action=self.name).debug(
                "User is not authorized to use this action."
            )
            return False

    return self.handler.check_update(update)