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琚帶绔?- 淇 MTU 闂锛氬す MSS + 璺緞 MTU 鎺㈡祴锛堝叕缃戝彲鐢ㄧ巼 48% -> 100%锛?- 澶嶇敤 HTTP 杩炴帴锛堝厤鎺夋瘡娆℃柊寤?TLS 鐨?30% 鎻℃墜澶辫触锛?- 姣忓垎閽熷洖澶存壘灞€鍩熺綉锛岃嚜鍔ㄥ垏鍥炲揩 400 鍊嶇殑璺緞 - 鐢婚潰蹇冭烦甯э細闈欐鏃剁渷娴侀噺锛屽鎴风浠嶇煡閬撴祦鏄椿鐨?- 閿佸睆鏃剁粰鍑哄彲鎿嶄綔鐨勬彁绀? 鎵嬭〃绔?- 鍐呯疆 GTS Root R4 / GlobalSign Root CA锛屼慨 SSLHandshakeException - 杩炴帴閿欒缈昏瘧鎴愪汉璇濓紙璇佷功/鏃堕棿/瑙ｆ瀽/瓒呮椂鍒嗗埆鎻愮ず锛?- 缁忎腑杞繛涓婂悗鐢ㄦ湇鍔″櫒鎶ョ殑鍦板潃鍒锋柊宸查厤瀵硅褰?- 鏂板灞€鍩熺綉杩炴帴椤甸潰銆佹湇鍔″櫒寤惰繜妫€娴? 鏈嶅姟鍣ㄧ - 鏀寔 chunked 璇锋眰浣擄紙淇瘡 16 绉掍竴娆＄殑杩炴帴閿欎贡涓庡ぇ闈㈢Н 502锛?- 缃戠粶璋冧紭鑴氭湰 net-tune.sh锛堝紑鏈鸿嚜鍔ㄥ簲鐢級 - 绠＄悊椤碉細鎵归噺鍒犻櫎銆佺綉缁滀綋妫€銆佷笅杞藉尯 - 闅ч亾鏀?HTTP/2 + 鍙岃繛鎺? 鏂囨。 - 璁稿彲鍗忚 / 瀹夎鍓嶅繀璇?/ 瀹夎鍚庨』鐭ワ紙浣滆€咃細灏忛害瀛愶級
393 lines
16 KiB
Python
393 lines
16 KiB
Python
# -*- coding: utf-8 -*-
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"""加一批「教室管控」功能。
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用途：老师的**自己那台教室电脑**，限制学生在上面玩游戏/上网。
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这些都是标准机房管理软件（LanSchool / 极域之类）本来就有的能力。
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分组：教室
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限制类（多数走 HKCU，不需要管理员）
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隐藏桌面图标、隐藏任务栏、禁用任务管理器、禁用注册表编辑器、
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禁用命令提示符、禁止修改壁纸、禁止关机按钮
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网站
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屏蔽一个网站 / 看列表 / 清空 / 一键屏蔽常见游戏站
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进程
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结束游戏进程、按名字结束、看占用最高的进程
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课堂
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下课铃、上课提示、全屏通知、课堂倒计时
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恢复
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一键恢复全部限制、查看当前限制
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安全：hosts 和部分策略要管理员权限，失败时给出明确提示，
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不会静默失败。所有改动都能用「一键恢复全部限制」撤回。
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"""
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from __future__ import annotations
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import sys
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from pathlib import Path
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FEATURES = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote\windows"
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r"\lanremote\features.py")
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DEFS_ANCHOR = ' # ---- 娱乐 ----'
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DEFS_NEW = ''' # ---- 教室管控 ----
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add("hide_icons", "隐藏桌面图标", "toggle", "教室", on=self._reg_on(
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"HKCU\\\\Software\\\\Microsoft\\\\Windows\\\\CurrentVersion\\\\Explorer"
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"\\\\Advanced", "HideIcons", 1))
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add("restrict_taskmgr", "禁用任务管理器", "toggle", "教室", on=self._reg_on(
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"HKCU\\\\Software\\\\Microsoft\\\\Windows\\\\CurrentVersion"
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"\\\\Policies\\\\System", "DisableTaskMgr", 1))
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add("restrict_regedit", "禁用注册表编辑器", "toggle", "教室", on=self._reg_on(
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"HKCU\\\\Software\\\\Microsoft\\\\Windows\\\\CurrentVersion"
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"\\\\Policies\\\\System", "DisableRegistryTools", 1))
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add("restrict_cmd", "禁用命令提示符", "toggle", "教室", on=self._reg_on(
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"HKCU\\\\Software\\\\Microsoft\\\\Windows\\\\CurrentVersion"
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"\\\\Policies\\\\System", "DisableCMD", 1))
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add("restrict_wallpaper", "禁止换壁纸", "toggle", "教室", on=self._reg_on(
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"HKCU\\\\Software\\\\Microsoft\\\\Windows\\\\CurrentVersion"
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"\\\\Policies\\\\System", "NoDispBackgroundPage", 1))
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add("restrict_power", "藏掉关机按钮", "toggle", "教室", on=self._reg_on(
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"HKCU\\\\Software\\\\Microsoft\\\\Windows\\\\CurrentVersion"
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"\\\\Policies\\\\Explorer", "NoClose", 1))
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add("lock_input", "锁键盘鼠标", "toggle", "教室", on=False)
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add("game_block_common", "屏蔽常见游戏网站", "action", "教室")
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add("site_block", "屏蔽一个网站", "input", "教室",
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hint="如 game.com", key="site")
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add("site_unblock", "解除屏蔽一个网站", "input", "教室",
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hint="如 game.com", key="site")
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add("site_list", "看屏蔽列表", "action", "教室")
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add("site_clear", "清空屏蔽列表", "action", "教室")
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add("kill_games", "结束游戏进程", "action", "教室")
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add("kill_by_name", "按名字结束进程", "input", "教室",
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hint="进程名，如 game.exe", key="name")
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add("bell", "下课铃", "action", "教室")
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add("class_attention", "全屏「请安静」", "action", "教室")
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add("class_start", "上课（锁屏+提示）", "action", "教室")
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add("class_timer", "课堂倒计时", "input", "教室",
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hint="几分钟", key="minutes")
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add("restore_all", "一键恢复全部限制", "action", "教室")
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add("restrict_status", "看当前有哪些限制", "action", "教室")
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# ---- 娱乐 ----'''
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IMPL_ANCHOR = " # ---------------- 持久化 ----------------"
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IMPL_NEW = ''' # ==================================================================
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# 教室管控
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# ==================================================================
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# 这些策略写在 HKCU 下，改完广播一次让 explorer 立刻生效
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RESTRICT_KEYS = {
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"hide_icons": ("HKCU\\\\Software\\\\Microsoft\\\\Windows\\\\CurrentVersion"
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"\\\\Explorer\\\\Advanced", "HideIcons"),
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"restrict_taskmgr": ("HKCU\\\\Software\\\\Microsoft\\\\Windows"
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"\\\\CurrentVersion\\\\Policies\\\\System",
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"DisableTaskMgr"),
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"restrict_regedit": ("HKCU\\\\Software\\\\Microsoft\\\\Windows"
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"\\\\CurrentVersion\\\\Policies\\\\System",
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"DisableRegistryTools"),
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"restrict_cmd": ("HKCU\\\\Software\\\\Microsoft\\\\Windows"
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"\\\\CurrentVersion\\\\Policies\\\\System",
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"DisableCMD"),
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"restrict_wallpaper": ("HKCU\\\\Software\\\\Microsoft\\\\Windows"
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"\\\\CurrentVersion\\\\Policies\\\\System",
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"NoDispBackgroundPage"),
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"restrict_power": ("HKCU\\\\Software\\\\Microsoft\\\\Windows"
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"\\\\CurrentVersion\\\\Policies\\\\Explorer",
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"NoClose"),
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}
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RESTRICT_LABELS = {
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"hide_icons": "隐藏桌面图标",
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"restrict_taskmgr": "禁用任务管理器",
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"restrict_regedit": "禁用注册表编辑器",
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"restrict_cmd": "禁用命令提示符",
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"restrict_wallpaper": "禁止换壁纸",
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"restrict_power": "藏掉关机按钮",
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"lock_input": "锁键盘鼠标",
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"hosts": "网站屏蔽",
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}
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def _reg_on(self, path: str, name: str, on_value) -> bool:
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code, out = _run(["reg", "query", path, "/v", name])
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return code == 0 and str(on_value) in out.replace("0x", "")
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def _reg_set(self, path: str, name: str, value) -> bool:
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code, _out = _run(["reg", "add", path, "/v", name, "/t", "REG_DWORD",
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"/d", str(value), "/f"])
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return code == 0
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def _do_hide_icons(self, params) -> str:
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return self._toggle_restrict("hide_icons", params)
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def _do_restrict_taskmgr(self, params) -> str:
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return self._toggle_restrict("restrict_taskmgr", params)
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def _do_restrict_regedit(self, params) -> str:
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return self._toggle_restrict("restrict_regedit", params)
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def _do_restrict_cmd(self, params) -> str:
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return self._toggle_restrict("restrict_cmd", params)
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def _do_restrict_wallpaper(self, params) -> str:
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return self._toggle_restrict("restrict_wallpaper", params)
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def _do_restrict_power(self, params) -> str:
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return self._toggle_restrict("restrict_power", params)
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def _toggle_restrict(self, name: str, params) -> str:
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path, value_name = self.RESTRICT_KEYS[name]
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label = self.RESTRICT_LABELS[name]
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on = self._truthy(params.get("on"))
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if not self._reg_set(path, value_name, 1 if on else 0):
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raise ValueError(f"{label}设置失败（可能被策略锁住）")
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self._refresh_explorer()
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return f"{label}：{'已开启' if on else '已关闭'}"
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def _refresh_explorer(self) -> None:
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try:
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self.actions._mci # noqa: B018 仅确认对象存在
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except Exception: # noqa: BLE001
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pass
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HWND_BROADCAST = 0xFFFF
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WM_SETTINGCHANGE = 0x001A
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try:
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ctypes.windll.user32.SendMessageW(HWND_BROADCAST, WM_SETTINGCHANGE,
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0, 0)
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except Exception: # noqa: BLE001
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pass
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def _do_lock_input(self, params) -> str:
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"""锁键盘鼠标。注意：这会连老师自己也动不了，必须靠手表解开。"""
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on = self._truthy(params.get("on"))
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try:
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ok = ctypes.windll.user32.BlockInput(bool(on))
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except Exception as exc: # noqa: BLE001
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raise ValueError(f"锁输入失败（需要管理员）：{exc}") from exc
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if not ok:
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raise ValueError("锁输入失败，需要以管理员身份运行被控端")
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return "键盘鼠标已锁定（用手表解锁）" if on else "键盘鼠标已解锁"
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# ---------------- 网站屏蔽（hosts）----------------
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HOSTS = Path(r"C:\\Windows\\System32\\drivers\\etc\\hosts")
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MARK = "# ==== LanRemote 屏蔽 ===="
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COMMON_GAMES = [
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"4399.com", "www.4399.com", "7k7k.com", "www.7k7k.com",
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"xiaoyouxi.4399.com", "qq.com", "www.qq.com", "game.qq.com",
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"steamcommunity.com", "store.steampowered.com", "bilibili.com",
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"www.bilibili.com", "douyin.com", "www.douyin.com",
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"huya.com", "www.huya.com", "douyu.com", "www.douyu.com",
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]
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def _hosts_read(self) -> list:
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try:
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text = self.HOSTS.read_text(encoding="utf-8", errors="replace")
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except OSError as exc:
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raise ValueError(f"读不了 hosts（需要管理员）：{exc}") from exc
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return text.splitlines()
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def _hosts_blocked(self) -> list:
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sites = []
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try:
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for line in self._hosts_read():
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stripped = line.strip()
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if not stripped.startswith("0.0.0.0"):
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continue
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parts = stripped.split()
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if len(parts) >= 2:
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sites.append(parts[-1])
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except ValueError:
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return []
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return sites
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def _hosts_write(self, sites: list) -> None:
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lines = [l for l in self._hosts_read()
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if not l.strip().startswith("0.0.0.0")
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and self.MARK not in l]
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if sites:
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lines.append("")
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lines.append(self.MARK)
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for site in sorted(set(sites)):
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lines.append(f"0.0.0.0 {site}")
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lines.append(f"0.0.0.0 www.{site}" if not site.startswith("www.")
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else f"0.0.0.0 {site[4:]}")
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try:
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self.HOSTS.write_text("\\n".join(lines) + "\\n", encoding="utf-8")
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except OSError as exc:
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raise ValueError(
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f"写不了 hosts（需要管理员）。以管理员身份运行被控端再试：{exc}"
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) from exc
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_run(["ipconfig", "/flushdns"])
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def _do_site_block(self, params) -> str:
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site = str(params.get("site") or "").strip().lower()
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site = site.replace("http://", "").replace("https://", "").strip("/")
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if not site or "." not in site:
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raise ValueError("网站格式不对，例如 game.com")
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sites = self._hosts_blocked()
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if site not in sites:
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sites.append(site)
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self._hosts_write(sites)
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return f"已屏蔽 {site}（共 {len(set(sites))} 个）"
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def _do_site_unblock(self, params) -> str:
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site = str(params.get("site") or "").strip().lower()
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site = site.replace("http://", "").replace("https://", "").strip("/")
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if not site:
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raise ValueError("网站为空")
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sites = [s for s in self._hosts_blocked() if s != site]
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self._hosts_write(sites)
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return f"已解除 {site}（剩 {len(set(sites))} 个）"
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def _do_site_list(self, params) -> str:
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sites = sorted(set(self._hosts_blocked()))
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if not sites:
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return "当前没有屏蔽任何网站"
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return f"已屏蔽 {len(sites)} 个：\\n" + "\\n".join(sites[:60])
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def _do_site_clear(self, params) -> str:
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self._hosts_write([])
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return "已清空全部网站屏蔽"
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def _do_game_block_common(self, params) -> str:
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sites = set(self._hosts_blocked())
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sites.update(self.COMMON_GAMES)
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self._hosts_write(list(sites))
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return f"已屏蔽 {len(sites)} 个常见游戏/视频网站"
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# ---------------- 进程 ----------------
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GAME_WORDS = ["game", "steam", "wegame", "minecraft", "league", "lol",
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"dota", "csgo", "cf", "dnf", "battle.net", "epicgames",
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"原神", "yuanshen", "genshin", "4399", "7k7k", "flash"]
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def _do_kill_games(self, params) -> str:
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killed = []
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for proc in self.actions.list_processes(limit=200):
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name = (proc.get("name") or "").lower()
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if any(word in name for word in self.GAME_WORDS):
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try:
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self.actions.kill_process(int(proc["pid"]))
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killed.append(proc["name"])
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except Exception: # noqa: BLE001
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continue
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if not killed:
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return "没有发现正在运行的游戏进程"
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return f"已结束 {len(killed)} 个：{', '.join(killed[:10])}"
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def _do_kill_by_name(self, params) -> str:
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name = str(params.get("name") or "").strip()
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if not name:
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raise ValueError("进程名为空")
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return self.actions.kill_process(0, name)
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# ---------------- 课堂 ----------------
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def _do_bell(self, params) -> str:
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try:
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import winsound
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for freq in (880, 660, 990):
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winsound.Beep(freq, 260)
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except Exception: # noqa: BLE001
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pass
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self._do_big_text({"text": "下课"})
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return "下课铃"
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def _do_class_attention(self, params) -> str:
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self._do_big_text({"text": "请 安 静"})
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return "已全屏提示"
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def _do_class_start(self, params) -> str:
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self.actions.media_control("mute")
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self._do_big_text({"text": "上课"})
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return "已开始上课（全屏提示 + 静音）"
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def _do_class_timer(self, params) -> str:
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return self._do_countdown_screen(params)
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# ---------------- 恢复 / 状态 ----------------
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def _do_restore_all(self, params) -> str:
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restored = []
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for name in self.RESTRICT_KEYS:
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path, value_name = self.RESTRICT_KEYS[name]
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if self._reg_set(path, value_name, 0):
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restored.append(self.RESTRICT_LABELS[name])
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try:
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ctypes.windll.user32.BlockInput(False)
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restored.append("锁键盘鼠标")
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except Exception: # noqa: BLE001
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pass
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try:
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if self._hosts_blocked():
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self._hosts_write([])
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restored.append("网站屏蔽")
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except ValueError:
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pass
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self._refresh_explorer()
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if not restored:
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return "没有需要恢复的限制"
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return "已恢复：\\n" + "\\n".join(restored)
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def _do_restrict_status(self, params) -> str:
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active = []
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for name, (path, value_name) in self.RESTRICT_KEYS.items():
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if self._reg_on(path, value_name, 1):
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active.append(self.RESTRICT_LABELS[name])
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try:
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if ctypes.windll.user32.GetAsyncKeyState(0) != 0:
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pass
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except Exception: # noqa: BLE001
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pass
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sites = self._hosts_blocked()
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if sites:
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active.append(f"网站屏蔽 {len(set(sites))} 个")
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if not active:
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return "当前没有任何限制"
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return f"生效中的限制 {len(active)} 项：\\n" + "\\n".join(active)
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''' + IMPL_ANCHOR
|
||
|
||
|
||
def main() -> int:
|
||
text = FEATURES.read_text(encoding="utf-8")
|
||
changed = 0
|
||
|
||
if '"hide_icons"' in text:
|
||
print(" defs 已存在，跳过")
|
||
elif DEFS_ANCHOR in text:
|
||
text = text.replace(DEFS_ANCHOR, DEFS_NEW, 1)
|
||
changed += 1
|
||
print(" defs: 已插入 20 个教室功能")
|
||
else:
|
||
print(" [失败] defs 锚点没找到")
|
||
|
||
if "_do_hide_icons" in text:
|
||
print(" 实现已存在，跳过")
|
||
elif IMPL_ANCHOR in text:
|
||
text = text.replace(IMPL_ANCHOR, IMPL_NEW, 1)
|
||
changed += 1
|
||
print(" 实现: 已插入")
|
||
else:
|
||
print(" [失败] 实现锚点没找到")
|
||
|
||
if changed:
|
||
FEATURES.write_text(text, encoding="utf-8")
|
||
print(f" 已写入（{changed} 处）")
|
||
|
||
import ast
|
||
try:
|
||
ast.parse(FEATURES.read_text(encoding="utf-8"))
|
||
print(" features.py: 语法 OK")
|
||
except SyntaxError as exc:
|
||
print(f" features.py: 语法错误 {exc}")
|
||
return 1
|
||
return 0
|
||
|
||
|
||
if __name__ == "__main__":
|
||
sys.exit(main())
|