Vladless
71 lines
2.3 KiB
Python
71 lines
2.3 KiB
Python
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 CallbackQuery, Message, TelegramObject
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from cachetools import TTLCache
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from config import ADMIN_ID
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from database.models import Admin
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_ADMIN_CACHE_TTL = 60
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_admin_cache: TTLCache[int, bool] = TTLCache(maxsize=10_000, ttl=_ADMIN_CACHE_TTL)
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class AdminMiddleware(BaseMiddleware):
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"""Проверяет, является ли пользователь администратором. Сессию не создаёт — только data['session']."""
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_admin_ids: set[int] = set(ADMIN_ID) if isinstance(ADMIN_ID, list | tuple) else {ADMIN_ID}
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async def __call__(
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self,
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handler: Callable[[TelegramObject, dict[str, Any]], Awaitable[Any]],
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event: TelegramObject,
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data: dict[str, Any],
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) -> Any:
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session: AsyncSession | None = data.get("session")
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data["admin"] = await self._check_admin_access(event, session)
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return await handler(event, data)
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async def _check_admin_access(
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self,
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event: TelegramObject,
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session: AsyncSession | None,
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) -> bool:
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try:
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user_id = None
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if isinstance(event, Message):
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if event.from_user:
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user_id = event.from_user.id
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elif isinstance(event, CallbackQuery):
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if event.from_user:
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user_id = event.from_user.id
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else:
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from_user = getattr(event, "from_user", None)
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if from_user:
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user_id = getattr(from_user, "id", None)
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if not user_id:
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return False
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if user_id in self._admin_ids:
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return True
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if user_id in _admin_cache:
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return _admin_cache[user_id]
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if not session:
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_admin_cache[user_id] = False
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return False
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result = await session.execute(select(Admin).where(Admin.tg_id == user_id))
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is_admin = result.scalar_one_or_none() is not None
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_admin_cache[user_id] = is_admin
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return is_admin
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except Exception:
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return False
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