from aiogram import Bot, Dispatcher, types, executor

import os

TOKEN_BOT = '####'
bot = Bot(TOKEN_BOT)
dp = Dispatcher(bot)
src = os.getcwd()


@dp.message_handler(content_types=types.ContentType.DOCUMENT)
async def scan_message(file: types.File):
    file_info = await bot.get_file(file.document.file_id)
    await bot.download_file(file_info, src + '/' + file.document.file_name)


if __name__ == '__main__':
    executor.start_polling(dp)