mirror of
https://github.com/zhenxun-org/zhenxun_bot.git
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120 lines
3.9 KiB
Python
120 lines
3.9 KiB
Python
from collections import defaultdict
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import time
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from nonebot.adapters import Event
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from nonebot.adapters.onebot.v11 import Bot
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from nonebot.exception import IgnoredException
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from nonebot.matcher import Matcher
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from nonebot.message import run_preprocessor
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from nonebot.typing import T_State
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from nonebot_plugin_alconna import At
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from nonebot_plugin_session import EventSession
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from zhenxun.configs.config import Config
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from zhenxun.models.ban_console import BanConsole
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from zhenxun.services.log import logger
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from zhenxun.utils.enum import PluginType
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from zhenxun.utils.message import MessageUtils
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malicious_check_time = Config.get_config("hook", "MALICIOUS_CHECK_TIME")
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malicious_ban_count = Config.get_config("hook", "MALICIOUS_BAN_COUNT")
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if not malicious_check_time:
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raise ValueError("模块: [hook], 配置项: [MALICIOUS_CHECK_TIME] 为空或小于0")
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if not malicious_ban_count:
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raise ValueError("模块: [hook], 配置项: [MALICIOUS_BAN_COUNT] 为空或小于0")
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class BanCheckLimiter:
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"""
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恶意命令触发检测
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"""
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def __init__(self, default_check_time: float = 5, default_count: int = 4):
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self.mint = defaultdict(int)
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self.mtime = defaultdict(float)
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self.default_check_time = default_check_time
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self.default_count = default_count
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def add(self, key: str | float):
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if self.mint[key] == 1:
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self.mtime[key] = time.time()
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self.mint[key] += 1
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def check(self, key: str | float) -> bool:
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if time.time() - self.mtime[key] > self.default_check_time:
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self.mtime[key] = time.time()
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self.mint[key] = 0
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return False
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if (
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self.mint[key] >= self.default_count
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and time.time() - self.mtime[key] < self.default_check_time
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):
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self.mtime[key] = time.time()
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self.mint[key] = 0
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return True
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return False
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_blmt = BanCheckLimiter(
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malicious_check_time,
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malicious_ban_count,
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)
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# 恶意触发命令检测
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@run_preprocessor
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async def _(
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matcher: Matcher, bot: Bot, session: EventSession, state: T_State, event: Event
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):
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module = None
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if plugin := matcher.plugin:
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module = plugin.module_name
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if metadata := plugin.metadata:
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extra = metadata.extra
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if extra.get("plugin_type") in [
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PluginType.HIDDEN,
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PluginType.DEPENDANT,
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PluginType.ADMIN,
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PluginType.SUPERUSER,
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]:
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return
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else:
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return
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if matcher.type == "notice":
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return
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user_id = session.id1
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group_id = session.id3 or session.id2
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malicious_ban_time = Config.get_config("hook", "MALICIOUS_BAN_TIME")
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if not malicious_ban_time:
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raise ValueError("模块: [hook], 配置项: [MALICIOUS_BAN_TIME] 为空或小于0")
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if user_id:
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if module:
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if _blmt.check(f"{user_id}__{module}"):
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await BanConsole.ban(
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user_id,
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group_id,
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9,
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"恶意触发命令检测",
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malicious_ban_time * 60,
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bot.self_id,
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)
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logger.info(
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f"触发了恶意触发检测: {matcher.plugin_name}",
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"HOOK",
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session=session,
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)
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await MessageUtils.build_message(
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[
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At(flag="user", target=user_id),
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"检测到恶意触发命令，您将被封禁 30 分钟",
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]
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).send()
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logger.debug(
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f"触发了恶意触发检测: {matcher.plugin_name}",
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"HOOK",
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session=session,
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)
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raise IgnoredException("检测到恶意触发命令")
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_blmt.add(f"{user_id}__{module}")
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