Vladless
85 lines
3.0 KiB
Python
85 lines
3.0 KiB
Python
import time
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from collections.abc import Awaitable, Callable
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from typing import Any
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from aiogram import BaseMiddleware
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from aiogram.types import Message, Update
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from config import DISABLE_DIRECT_START
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from core.bootstrap import MODES_CONFIG
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from database import async_session_maker, check_user_exists
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from logger import logger
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_TTL = 20
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_cache_user_exists: dict[int, tuple[float, bool]] = {}
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class DirectStartBlockerMiddleware(BaseMiddleware):
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def __init__(self) -> None:
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self.allowed_prefixes = ("gift_", "referral_", "coupons_", "utm", "partner_")
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async def __call__(
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self,
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handler: Callable[[Update, dict[str, Any]], Awaitable[Any]],
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event: Update,
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data: dict[str, Any],
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) -> Any:
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direct_start_disabled = bool(MODES_CONFIG.get("DIRECT_START_DISABLED", DISABLE_DIRECT_START))
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if not direct_start_disabled:
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return await handler(event, data)
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message: Message | None = getattr(event, "message", None)
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if not message or not message.text:
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return await handler(event, data)
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fsm = data.get("state")
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if fsm:
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current_state = await fsm.get_state()
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if current_state:
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return await handler(event, data)
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tg_id = message.from_user.id
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text = message.text.strip()
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now = time.time()
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async def user_exists_cached() -> bool:
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cached = _cache_user_exists.get(tg_id)
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if cached and cached[0] > now:
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return cached[1]
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async with async_session_maker() as session:
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exists = await check_user_exists(session, tg_id)
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_cache_user_exists[tg_id] = (now + _TTL, exists)
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return exists
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if not text.startswith("/"):
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if await user_exists_cached():
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return await handler(event, data)
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return
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parts = text.split(maxsplit=1)
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if parts[0] != "/start":
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if await user_exists_cached():
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return await handler(event, data)
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logger.info(
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f"[DirectStartBlocker] Команда '{text}' отклонена для незарегистрированного пользователя {tg_id}"
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)
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return
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if len(parts) == 1:
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if await user_exists_cached():
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return await handler(event, data)
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logger.info(f"[DirectStartBlocker] Прямой старт запрещён для нового пользователя {tg_id}")
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return
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start_param = parts[1].strip()
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if not start_param or not start_param.startswith(self.allowed_prefixes):
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if await user_exists_cached():
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return await handler(event, data)
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logger.info(f"[DirectStartBlocker] Отклонена неизвестная ссылка от {tg_id}: {start_param!r}")
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return
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logger.info(f"[DirectStartBlocker] Разрешённая ссылка от {tg_id}: {start_param!r}")
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return await handler(event, data)
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