219 lines
9.3 KiB
Python
219 lines
9.3 KiB
Python
import logging
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logging.basicConfig(level=logging.INFO)
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import os
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import re
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import time
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import html
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import yaml
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import asyncio
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import traceback
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from datetime import datetime
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from telethon import TelegramClient, events
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from telethon.utils import get_display_name
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from telethon.errors.rpcerrorlist import UserIsBlockedError
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from telethon.tl.types import InputPeerUser, MessageMediaWebPage, MessageMediaUnsupported
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config = yaml.safe_load(open('config.yaml'))
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api_id = config['telegram']['api_id']
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api_hash = config['telegram']['api_hash']
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bot_token = config['telegram'].get('bot_token')
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receive_chat = config['receive_chat']
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storage_chat_id = storage_message_id = None
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if config.get('storage'):
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storage_chat_id = config['storage'].get('storage_chat_id')
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storage_message_id = config['storage'].get('storage_message_id')
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hidden_fwd_regex = re.compile(r'^Hidden User: .+ \(([0-9]+),(-?[0-9]+)\)$')
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response_data = dict()
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banned_data = dict()
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flood_data = dict()
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def is_flood(user_id):
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if user_id not in flood_data:
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flood_data[user_id] = []
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uflood_data = flood_data[user_id]
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current_time = int(time.time())
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uflood_data.append(current_time)
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flood_data[user_id] = uflood_data = list(filter(lambda i: current_time - i < 3, uflood_data))
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return len(uflood_data) > 3
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banned_data_lock = asyncio.Lock()
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async def save_banned_data():
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async with banned_data_lock:
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with open('rias.data', 'w') as file:
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file.write('0\n')
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for (user_id, (end_date, reason)) in banned_data.items():
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if not end_date:
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end_date = ''
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if not reason:
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reason = ''
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file.write(f'{user_id},{end_date},{reason.encode("unicode_escape").decode()}\n')
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if storage_chat_id and storage_message_id:
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try:
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await client.edit_message(storage_chat_id, storage_message_id, file='rias.data')
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except BaseException:
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logging.exception('Error while uploading rias data')
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async def ban_user(user, end_date, reason):
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user_id = user.user_id
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async with banned_data_lock:
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banned_data[user_id] = (end_date, reason)
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await save_banned_data()
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if end_date:
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text = f'You have been banned until {datetime.fromtimestamp(end_date)}'
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else:
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text = 'You have been banned indefinitely'
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if reason:
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text += f' for {reason}'
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try:
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await client.send_message(user, text)
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except BaseException:
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logging.exception('Exception occured while informing %s of their ban', user)
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client = TelegramClient('rias', api_id, api_hash)
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client.parse_mode = 'html'
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async def main():
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await client.start(bot_token=bot_token)
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me = await client.get_me()
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tban_regex = re.compile(f'(?i)/tban(?:@{me.username})?\\s+([0-9]+[a-z])(?:\\s+([\\s\\S]+))?')
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if storage_chat_id and storage_message_id:
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try:
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m = await client.get_messages(storage_chat_id, ids=storage_message_id)
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await m.download_media('rias.data')
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except BaseException:
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logging.exception('Error while downloading rias data')
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if os.path.exists('rias.data'):
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save_it = False
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try:
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with open('rias.data', 'r') as file:
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version = file.readline().strip()
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if version != '0':
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logging.error('Unsupported rias data version %s', version)
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else:
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while True:
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data = file.readline().strip()
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if not data:
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break
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user_id, end_date, reason = data.split(',', 2)
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if end_date and int(time.time()) > int(end_date):
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save_it = True
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continue
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banned_data[int(user_id)] = (int(end_date) if end_date else None, reason.encode().decode('unicode_escape'))
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except BaseException:
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logging.exception('Error while parsing rias data')
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if save_it:
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await save_banned_data()
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@client.on(events.NewMessage)
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async def flood_handler(e):
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if e.out or (e.chat_id != await client.get_peer_id(receive_chat) and is_flood(e.chat_id)):
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raise events.StopPropagation
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@client.on(events.NewMessage(pattern=f'(?i)/start(?:@{me.username})?(?:\\s|$)', func=lambda e: e.is_private))
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async def start(e):
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await e.reply('Welcome to blankie contact bot!\n\nSource: https://gitlab.com/blankX/rias or https://git.nixnet.services/blankie/rias', link_preview=False)
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raise events.StopPropagation
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@client.on(events.NewMessage(func=lambda e: e.is_private))
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async def to_receive_handler(e):
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if data := banned_data.get(e.chat_id):
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end_date, reason = data
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if end_date and int(time.time()) > end_date:
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async with banned_data_lock:
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banned_data.pop(e.chat_id)
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await save_banned_data()
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else:
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if end_date:
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text = f'You have been banned until {datetime.fromtimestamp(end_date)}'
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else:
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text = 'You have been banned indefinitely'
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if reason:
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text += f' for {reason}'
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await e.reply(text)
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return
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fwd = await e.forward_to(receive_chat)
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if not fwd.forward or fwd.forward.sender_id != e.chat_id:
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user = await e.get_chat()
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await fwd.reply(f'Hidden User: <a href="tg://user?id={e.chat_id}">{html.escape(get_display_name(user))}</a> (<code>{e.chat_id}</code>,<code>{user.access_hash}</code>)', link_preview=False)
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@client.on(events.MessageEdited(func=lambda e: e.is_private))
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async def no_edits_handler(e):
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if not is_flood(e.chat_id):
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await e.reply('Edits are currently not supported, sorry. Please resend your message')
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@client.on(events.NewMessage(receive_chat, func=lambda e: e.mentioned and e.reply_to_msg_id))
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async def response_handler(e):
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reply = await e.get_reply_message()
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if not reply or reply.sender_id != me.id:
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return
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if reply.forward and reply.forward.sender_id:
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user = await reply.forward.get_input_sender()
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elif (match := hidden_fwd_regex.match(reply.raw_text)) and not reply.forward and not reply.media:
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user = InputPeerUser(int(match.group(1)), int(match.group(2)))
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else:
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return
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if e.text.lower().startswith('/ban'):
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ban_reason = e.text[4:].strip()
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end_date = None
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await ban_user(user, end_date, ban_reason)
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await e.reply('Banned')
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return
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if e.text.lower().startswith('/tban'):
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if match := tban_regex.match(e.text):
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end_date = match.group(1)
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duration = end_date[-1].lower()
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if duration == 'm':
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duration = 60
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elif duration == 'd':
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duration = 60 * 60
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elif duration == 'd':
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duration = 60 * 60 * 24
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elif duration == 'w':
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duration = 60 * 60 * 24 * 7
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else:
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await e.reply(f'Invalid duration {duration}, please use m, h, d or w', parse_mode=None)
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return
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end_date = int(time.time() + (int(end_date[:-1]) or 1) * duration)
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ban_reason = match.group(2)
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await ban_user(user, end_date, ban_reason)
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await e.reply('Banned')
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return
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await e.reply('Regex failed to match')
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return
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if e.text.lower().startswith('/unban'):
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if user.user_id not in banned_data:
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await e.reply('Never banned')
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return
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async with banned_data_lock:
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banned_data.pop(user.user_id)
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await save_banned_data()
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text = 'You have been unbanned'
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if unban_reason := e.text[6:].strip():
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text += f' for {unban_reason}'
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try:
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await client.send_message(user, text)
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except BaseException:
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logging.exception('Exception occured while informing %s of their unban', user)
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await e.reply('Unbanned')
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return
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try:
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response_data[e.id] = (user, (await client.send_message(user, e.message)).id)
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except UserIsBlockedError:
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await e.reply('The bot was blocked by the user')
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except BaseException:
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await e.reply(traceback.format_exc(), parse_mode=None)
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raise
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@client.on(events.MessageEdited(receive_chat, func=lambda e: e.id in response_data))
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async def response_edit_handler(e):
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user, message_id = response_data[e.id]
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try:
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await client.edit_message(user, message_id, e.text, file=None if isinstance(e.media, (MessageMediaWebPage, MessageMediaUnsupported)) else e.media, link_preview=isinstance(e.media, MessageMediaWebPage))
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except UserIsBlockedError:
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await e.reply('The bot was blocked by the user')
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except BaseException:
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await e.reply(traceback.format_exc(), parse_mode=None)
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raise
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await client.run_until_disconnected()
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if __name__ == '__main__':
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client.loop.run_until_complete(main())
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