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https://github.com/PaiGramTeam/PamGram.git
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90 lines
3.2 KiB
Python
90 lines
3.2 KiB
Python
import time
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from functools import wraps
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from typing import Callable
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from telegram import Update
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from telegram.error import TelegramError
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from telegram.ext import filters, CallbackContext
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from logger import Log
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def restricts(filters_chat: filters = filters.ALL, return_data=None, try_delete_message: bool = False,
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restricts_time: int = 5):
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"""用于装饰在指定函数预防洪水攻击的装饰器
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被修饰的函数生声明必须为
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async def command_func(update, context)
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或
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async def command_func(self, update, context
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如果修饰的函数属于
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ConversationHandler
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参数
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return_data
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必须传入
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ConversationHandler.END
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我真™是服了某些闲着没事干的群友了
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:param filters_chat: 要限制的群
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:param return_data:
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:param try_delete_message:
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:param restricts_time:
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:return: return_data
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"""
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def decorator(func: Callable):
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@wraps(func)
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async def restricts_func(*args, **kwargs):
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if len(args) == 3:
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update: Update = args[1]
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context: CallbackContext = args[2]
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elif len(args) == 2:
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update: Update = args[0]
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context: CallbackContext = args[1]
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else:
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return await func(*args, **kwargs)
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message = update.message
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user = update.effective_user
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if filters_chat.filter(message):
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command_time = context.user_data.get("command_time", 0)
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count = context.user_data.get("usage_count", 0)
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restrict_since = context.user_data.get("restrict_since", 0)
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# 洪水防御
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if restrict_since:
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if (time.time() - restrict_since) >= 60 * 5:
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del context.user_data["restrict_since"]
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del context.user_data["usage_count"]
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else:
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return return_data
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else:
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if count == 5:
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context.user_data["restrict_since"] = time.time()
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await update.effective_message.reply_text("你已经触发洪水防御，请等待5分钟")
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Log.warning(f"用户 {user.full_name}[{user.id}] 触发洪水限制 已被限制5分钟")
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return return_data
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# 单次使用限制
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if command_time:
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if (time.time() - command_time) <= restricts_time:
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context.user_data["usage_count"] = count + 1
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if filters.ChatType.GROUPS.filter(message):
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if try_delete_message:
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try:
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await message.delete()
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except TelegramError as error:
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Log.warning("删除消息失败", error)
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return return_data
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else:
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if count >= 1:
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context.user_data["usage_count"] = count - 1
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context.user_data["command_time"] = time.time()
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return await func(*args, **kwargs)
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return restricts_func
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return decorator
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