""" MIT License Copyright (c) 2024 TheHamkerCat Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. """ import asyncio from datetime import datetime, timedelta from random import shuffle from re import findall from uuid import uuid4 from pyrogram import filters from pyrogram.enums import ChatMemberStatus from pyrogram.enums import ChatMemberStatus as CMS from pyrogram.errors.exceptions.bad_request_400 import ( ChatAdminRequired, UserNotParticipant, ) from pyrogram.types import ( Chat, ChatMemberUpdated, ChatPermissions, InlineKeyboardButton, InlineKeyboardMarkup, Message, User, ) from wbb import BOT_USERNAME, SUDOERS, WELCOME_DELAY_KICK_SEC, app from wbb.core.decorators.errors import capture_err from wbb.core.decorators.permissions import adminsOnly from wbb.core.keyboard import ikb from wbb.modules.notes import extract_urls from wbb.utils.dbfeds import check_banned_user, get_fed_id from wbb.utils.dbfunctions import ( captcha_off, captcha_on, del_welcome, get_captcha_cache, get_welcome, has_solved_captcha_once, is_captcha_on, is_gbanned_user, save_captcha_solved, set_welcome, update_captcha_cache, ) from wbb.utils.filter_groups import welcome_captcha_group from wbb.utils.functions import ( check_format, extract_text_and_keyb, generate_captcha, ) __MODULE__ = "欢迎语与入群验证" __HELP__ = """ /captcha [开启|关闭] - 开启或关闭新成员入群验证。 /set_welcome - 回复一条消息,将其设为欢迎语。 /del_welcome - 删除欢迎语。 /get_welcome - 查看当前欢迎语。 **欢迎语设置说明** 图片或动图欢迎语:把欢迎文字写在媒体说明中,再回复该媒体发送命令。 纯文字欢迎语:回复文字消息发送命令。 格式示例: ``` **你好** {name},欢迎加入 {chat} ~ button=[查看群规, https://example.com] ``` 发送 /markdownhelp 可查看更多格式和按钮语法。 """ answers_dicc = [] _captcha_lock = asyncio.Lock() loop = asyncio.get_running_loop() async def get_initial_captcha_cache(): global answers_dicc answers_dicc = await get_captcha_cache() return answers_dicc loop.create_task(get_initial_captcha_cache()) async def handle_new_member(member, chat): global answers_dicc # Get cached answers from mongodb in case of bot's been restarted or crashed. answers_dicc = await get_captcha_cache() # Mute new member and send message with button try: if member.id in SUDOERS: return # Ignore sudo users fed_id = await get_fed_id(chat.id) if fed_id: check_user = await check_banned_user(fed_id, member.id) if check_user: reason = check_user["reason"] date = check_user["date"] await chat.ban_member(member.id) return await app.send_message( chat.id, f"**成员 {member.mention} 已被联邦封禁。\n\n" f"原因:{reason}\n时间:{date}**", ) if await is_gbanned_user(member.id): await chat.ban_member(member.id) await app.send_message( chat.id, f"{member.mention} 已被全局封禁,因此已从本群移除。", ) return if member.is_bot: return # Ignore bots if not await is_captcha_on(chat.id): return await send_welcome_message( chat, member.id ) # Ignore user if he has already solved captcha in this group # someday if await has_solved_captcha_once(chat.id, member.id): return await chat.restrict_member(member.id, ChatPermissions()) text = ( f"{(member.mention())},请完成人机验证。\n" f"请在 {WELCOME_DELAY_KICK_SEC} 秒内、最多 4 次尝试中选择正确答案," "否则你将被移出群组。" ) except ChatAdminRequired: return # Generate a captcha image, answers, and some wrong answers captcha = generate_captcha() captcha_image = captcha[0] captcha_answer = captcha[1] wrong_answers = captcha[2] # This consists of 8 wrong answers correct_button = InlineKeyboardButton( f"{captcha_answer}", callback_data=f"pressed_button {captcha_answer} {member.id}", ) temp_keyboard_1 = [correct_button] # Button row 1 temp_keyboard_2 = [] # Botton row 2 temp_keyboard_3 = [] for i in range(2): temp_keyboard_1.append( InlineKeyboardButton( f"{wrong_answers[i]}", callback_data=f"pressed_button {wrong_answers[i]} {member.id}", ) ) for i in range(2, 5): temp_keyboard_2.append( InlineKeyboardButton( f"{wrong_answers[i]}", callback_data=f"pressed_button {wrong_answers[i]} {member.id}", ) ) for i in range(5, 8): temp_keyboard_3.append( InlineKeyboardButton( f"{wrong_answers[i]}", callback_data=f"pressed_button {wrong_answers[i]} {member.id}", ) ) shuffle(temp_keyboard_1) keyboard = [temp_keyboard_1, temp_keyboard_2, temp_keyboard_3] shuffle(keyboard) verification_data = { "chat_id": chat.id, "user_id": member.id, "attempt_id": uuid4().hex, "answer": captcha_answer, "keyboard": keyboard, "attempts": 0, } keyboard = InlineKeyboardMarkup(keyboard) # Append user info, correct answer, and # keyboard for later use with callback query button_message = await app.send_photo( chat_id=chat.id, photo=captcha_image, caption=text, reply_markup=keyboard, ) # Save captcha answers etc in mongodb in case the bot gets crashed or restarted. async with _captcha_lock: answers_dicc = await get_captcha_cache() answers_dicc.append(verification_data) await update_captcha_cache(answers_dicc) asyncio.create_task( kick_restricted_after_delay( WELCOME_DELAY_KICK_SEC, button_message, member, verification_data["attempt_id"], ) ) await asyncio.sleep(0.5) @app.on_chat_member_updated(filters.group, group=welcome_captcha_group) @capture_err async def welcome(_, user: ChatMemberUpdated): if not ( user.new_chat_member and user.new_chat_member.status not in {CMS.RESTRICTED, CMS.BANNED} and not user.old_chat_member ): return member = user.new_chat_member.user if user.new_chat_member else user.from_user chat = user.chat return await handle_new_member(member, chat) async def send_welcome_message(chat: Chat, user_id: int, delete: bool = False): welcome, raw_text, file_id = await get_welcome(chat.id) if not raw_text: return text = raw_text keyb = None if findall(r"\[.+\,.+\]", raw_text): text, keyb = extract_text_and_keyb(ikb, raw_text) if "{chat}" in text: text = text.replace("{chat}", chat.title) if "{name}" in text: text = text.replace("{name}", (await app.get_users(user_id)).mention) if "{id}" in text: text = text.replace("{id}", f"`{user_id}`") async def _send_wait_delete(): if welcome == "Text": m = await app.send_message( chat.id, text=text, reply_markup=keyb, disable_web_page_preview=True, ) elif welcome == "Photo": m = await app.send_photo( chat.id, photo=file_id, caption=text, reply_markup=keyb, ) else: m = await app.send_animation( chat.id, animation=file_id, caption=text, reply_markup=keyb, ) await asyncio.sleep(300) await m.delete() asyncio.create_task(_send_wait_delete()) @app.on_callback_query(filters.regex("pressed_button")) async def callback_query_welcome_button(_, callback_query): """After the new member presses the correct button, set his permissions to chat permissions, delete button message and join message. """ global answers_dicc data = callback_query.data pressed_user_id = callback_query.from_user.id pending_user_id = int(data.split(None, 2)[2]) button_message = callback_query.message answer = data.split(None, 2)[1] correct_answer = None keyboard = None if len(answers_dicc) != 0: for i in answers_dicc: if ( i["user_id"] == pending_user_id and i["chat_id"] == button_message.chat.id ): correct_answer = i["answer"] keyboard = i["keyboard"] if not (correct_answer and keyboard): return await callback_query.answer( "验证信息已失效,请退出群组后重新加入。" ) if pending_user_id != pressed_user_id: return await callback_query.answer("这不是你的验证。") if answer != correct_answer: await callback_query.answer("答案错误,请重试。") for iii in answers_dicc: if ( iii["user_id"] == pending_user_id and iii["chat_id"] == button_message.chat.id ): attempts = iii["attempts"] if attempts >= 3: answers_dicc.remove(iii) await button_message.chat.ban_member(pending_user_id) await asyncio.sleep(1) await button_message.chat.unban_member(pending_user_id) await button_message.delete() return await update_captcha_cache(answers_dicc) iii["attempts"] += 1 break shuffle(keyboard[0]) shuffle(keyboard[1]) shuffle(keyboard[2]) shuffle(keyboard) keyboard = InlineKeyboardMarkup(keyboard) return await button_message.edit( text=button_message.caption.markdown, reply_markup=keyboard, ) chat = button_message.chat # Make the old timeout ineligible before changing Telegram permissions. async with _captcha_lock: answers_dicc = await get_captcha_cache() pending = next( ( item for item in answers_dicc if item.get("user_id") == pending_user_id and item.get("chat_id") == chat.id and item.get("answer") == answer ), None, ) if pending is None: return await callback_query.answer("验证信息已失效,请退出群组后重新加入。") await save_captcha_solved(chat.id, pending_user_id) answers_dicc.remove(pending) await update_captcha_cache(answers_dicc) await callback_query.answer("验证通过,欢迎加入。") await button_message.chat.unban_member(pending_user_id) await button_message.delete() return await send_welcome_message(chat, pending_user_id, True) async def kick_restricted_after_delay( delay, button_message: Message, user: User, attempt_id: str ): """Only expire the still-pending verification that started this timer.""" global answers_dicc await asyncio.sleep(delay) group_chat = button_message.chat user_id = user.id async with _captcha_lock: answers_dicc = await get_captcha_cache() pending = next( ( item for item in answers_dicc if item.get("chat_id") == group_chat.id and item.get("user_id") == user_id and item.get("attempt_id") == attempt_id ), None, ) if pending is None: return answers_dicc.remove(pending) await update_captcha_cache(answers_dicc) if await has_solved_captcha_once(group_chat.id, user_id): return try: await button_message.delete() except Exception: pass # The message may already have been deleted by another handler. await _ban_restricted_user_until_date(group_chat, user_id, duration=delay) async def _ban_restricted_user_until_date( group_chat, user_id: int, duration: int ): try: member = await group_chat.get_member(user_id) if member.status == ChatMemberStatus.RESTRICTED: until_date = (datetime.now() + timedelta(seconds=duration)) await group_chat.ban_member(user_id, until_date=until_date) except UserNotParticipant: pass @app.on_message(filters.command("captcha") & ~filters.private) @adminsOnly("can_restrict_members") async def captcha_state(_, message): usage = "**用法:**\n/captcha [开启|关闭]" if len(message.command) != 2: return await message.reply_text(usage) chat_id = message.chat.id state = message.text.split(None, 1)[1].strip() state = state.lower() state = { "开启": "enable", "打开": "enable", "关闭": "disable", }.get(state, state) if state == "enable": await captcha_on(chat_id) await message.reply_text("新成员入群验证已开启。") elif state == "disable": await captcha_off(chat_id) await message.reply_text("新成员入群验证已关闭。") else: await message.reply_text(usage) # WELCOME MESSAGE @app.on_message(filters.command("set_welcome") & ~filters.private) @adminsOnly("can_change_info") async def set_welcome_func(_, message): usage = ( "请回复文字、动图或图片,将其设为欢迎语。\n\n" "注意:动图和图片必须填写媒体说明。" ) key = InlineKeyboardMarkup( [ [ InlineKeyboardButton( text="查看详细帮助", url=f"t.me/{BOT_USERNAME}?start=help_greetings", ) ], ] ) replied_message = message.reply_to_message chat_id = message.chat.id try: if not replied_message: await message.reply_text(usage, reply_markup=key) return if replied_message.animation: welcome = "Animation" file_id = replied_message.animation.file_id text = replied_message.caption if not text: return await message.reply_text(usage, reply_markup=key) raw_text = text.markdown if replied_message.photo: welcome = "Photo" file_id = replied_message.photo.file_id text = replied_message.caption if not text: return await message.reply_text(usage, reply_markup=key) raw_text = text.markdown if replied_message.text: welcome = "Text" file_id = None text = replied_message.text raw_text = text.markdown if replied_message.reply_markup and not findall(r"\[.+\,.+\]", raw_text): urls = extract_urls(replied_message.reply_markup) if urls: response = "\n".join( [f"{name}=[{text}, {url}]" for name, text, url in urls] ) raw_text = raw_text + response raw_text = await check_format(ikb, raw_text) if raw_text: await set_welcome(chat_id, welcome, raw_text, file_id) return await message.reply_text( "欢迎语已设置。" ) else: return await message.reply_text( "消息格式不正确,请查看帮助。\n\n" "**用法:**\n纯文字:`文字`\n文字加按钮:`文字 ~ 按钮`", reply_markup=key, ) except UnboundLocalError: return await message.reply_text( "**欢迎语仅支持文字、动图和图片。**" ) @app.on_message(filters.command("del_welcome") & ~filters.private) @adminsOnly("can_change_info") async def del_welcome_func(_, message): chat_id = message.chat.id await del_welcome(chat_id) await message.reply_text("欢迎语已删除。") @app.on_message(filters.command("get_welcome") & ~filters.private) @adminsOnly("can_change_info") async def get_welcome_func(_, message): chat = message.chat welcome, raw_text, file_id = await get_welcome(chat.id) if not raw_text: return await message.reply_text("本群尚未设置欢迎语。") if not message.from_user: return await message.reply_text( "匿名管理员无法预览欢迎语。" ) await send_welcome_message(chat, message.from_user.id) welcome_label = { "Text": "文字", "Photo": "图片", "Animation": "动图", }.get(welcome, welcome) await message.reply_text( f'欢迎语类型:{welcome_label}\n\n文件标识:`{file_id}`\n\n' f'`{raw_text.replace("`", "")}`' )