mirror of
https://github.com/MuRuLOSE/limoka.git
synced 2026-06-16 22:34:19 +02:00
338 lines
14 KiB
Python
338 lines
14 KiB
Python
# Friendly Telegram (telegram userbot)
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# Copyright (C) 2018-2019 The Authors
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from .. import loader, utils
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import logging
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import asyncio
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import telethon
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import os
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import re
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logger = logging.getLogger(__name__)
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@loader.tds
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class noTerminalMod(loader.Module):
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"""Runs commands"""
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strings = {"name": "noTerminal",
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"flood_wait_protect_cfg_doc": "How long to wait in seconds between edits in commands",
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"what_to_kill": "<b>Reply to a terminal command to terminate it</b>",
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"kill_fail": "<b>Could not kill process</b>",
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"killed": "<b>Killed</b>",
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"no_cmd": "<b>No command is running in that message</b>",
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"running": "<b>Running command</b> <code>{}</code>",
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"finished": "\n<b>Command finished with return code</b> <code>{}</code>",
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"stdout": "\n<b>Stdout:</b>\n<code>",
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"stderr": "</code>\n\n<b>Stderr:</b>\n<code>",
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"end": "</code>",
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"auth_fail": "<b>Authentication failed, please try again</b>",
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"auth_needed": "<a href=\"tg://user?id={}\">Interactive authentication required</a>",
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"auth_msg": ("<b>Please edit this message to the password for</b> "
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"<code>{}</code> <b>to run</b> <code>{}</code>"),
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"auth_locked": "<b>Authentication failed, please try again later</b>",
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"auth_ongoing": "<b>Authenticating...</b>",
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"done": "<b>Done</b>",
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"what_note": "<b>What noterminal should be executed?</b>",
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"no_note": "<b>noteminal not found</b>"}
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def __init__(self):
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self.config = loader.ModuleConfig("FLOOD_WAIT_PROTECT", 2,
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lambda m: self.strings("flood_wait_protect_cfg_doc", m))
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self.activecmds = {}
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async def client_ready(self, client, db):
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self.client = client
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self.db = db
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self._db = db
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async def noterminalcmd(self, message):
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"""Gets the note specified"""
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args = utils.get_args(message)
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if not args:
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await utils.answer(message, self.strings("what_note", message))
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return
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asset_id = self.db.get("friendly-telegram.modules.notes", "notes", {}).get(args[0], None)
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logger.debug(asset_id)
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if asset_id is not None:
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asset = await self.db.fetch_asset(asset_id)
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else:
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asset_id = self.db.get("friendly-telegram.modules.notes", "notes", {}).get(args[0].lower(), None)
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if asset_id is not None:
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asset = await self.db.fetch_asset(asset_id)
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else:
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asset = None
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if asset is None:
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await utils.answer(message, self.strings("no_note", message))
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return
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cmd = await self.db.fetch_asset(asset_id)
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await self.run_command(message, cmd.raw_text)
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async def run_command(self, message, cmd, editor=None):
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if len(cmd.split(" ")) > 1 and cmd.split(" ")[0] == "sudo":
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needsswitch = True
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for word in cmd.split(" ", 1)[1].split(" "):
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if word[0] != "-":
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break
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if word == "-S":
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needsswitch = False
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if needsswitch:
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cmd = " ".join([cmd.split(" ", 1)[0], "-S", cmd.split(" ", 1)[1]])
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sproc = await asyncio.create_subprocess_shell(cmd, stdin=asyncio.subprocess.PIPE,
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stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE,
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cwd=utils.get_base_dir())
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if editor is None:
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editor = SudoMessageEditor(message, cmd, self.config, self.strings, message)
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editor.update_process(sproc)
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self.activecmds[hash_msg(message)] = sproc
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await editor.redraw()
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await asyncio.gather(read_stream(editor.update_stdout, sproc.stdout, self.config["FLOOD_WAIT_PROTECT"]),
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read_stream(editor.update_stderr, sproc.stderr, self.config["FLOOD_WAIT_PROTECT"]))
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await editor.cmd_ended(await sproc.wait())
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del self.activecmds[hash_msg(message)]
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@loader.owner
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async def noterminatecmd(self, message):
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"""Use in reply to send SIGTERM to a process"""
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if not message.is_reply:
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await utils.answer(message, self.strings("what_to_kill", message))
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return
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if hash_msg(await message.get_reply_message()) in self.activecmds:
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try:
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self.activecmds[hash_msg(await message.get_reply_message())].terminate()
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except Exception:
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logger.exception("Killing process failed")
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await utils.answer(message, self.strings("kill_fail", message))
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else:
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await utils.answer(message, self.strings("killed", message))
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else:
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await utils.answer(message, self.strings("no_cmd", message))
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@loader.owner
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async def nokillcmd(self, message):
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"""Use in reply to send SIGKILL to a process"""
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if not message.is_reply:
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await utils.answer(message, self.strings("what_to_kill", message))
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return
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if hash_msg(await message.get_reply_message()) in self.activecmds:
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try:
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self.activecmds[hash_msg(await message.get_reply_message())].kill()
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except Exception:
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logger.exception("Killing process failed")
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await utils.answer(message, self.strings("kill_fail", message))
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else:
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await utils.answer(message, self.strings("killed", message))
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else:
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await utils.answer(message, self.strings("no_cmd", message))
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def hash_msg(message):
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return str(utils.get_chat_id(message)) + "/" + str(message.id)
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async def read_stream(func, stream, delay):
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last_task = None
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data = b""
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while True:
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dat = (await stream.read(1))
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if not dat:
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# EOF
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if last_task:
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# Send all pending data
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last_task.cancel()
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await func(data.decode("utf-8"))
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# If there is no last task there is inherently no data, so theres no point sending a blank string
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break
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data += dat
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if last_task:
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last_task.cancel()
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last_task = asyncio.ensure_future(sleep_for_task(func, data, delay))
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async def sleep_for_task(func, data, delay):
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await asyncio.sleep(delay)
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await func(data.decode("utf-8"))
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class MessageEditor:
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def __init__(self, message, command, config, strings, request_message):
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self.message = [message]
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self.command = command
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self.stdout = ""
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self.stderr = ""
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self.rc = None
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self.redraws = 0
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self.config = config
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self.strings = strings
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self.request_message = request_message
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async def update_stdout(self, stdout):
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self.stdout = stdout
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await self.redraw()
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async def update_stderr(self, stderr):
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self.stderr = stderr
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await self.redraw()
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async def redraw(self):
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text = "" # self.strings("running", self.request_message).format(utils.escape_html(self.command))
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# if self.rc is not None:
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# text += self.strings("finished", self.request_message).format(utils.escape_html(str(self.rc)))
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text += self.strings("stdout", self.request_message)
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text += utils.escape_html(self.stdout[max(len(self.stdout) - 2048, 0):])
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if len(self.stderr) > 0:
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text += self.strings("stderr", self.request_message)
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text += utils.escape_html(self.stderr[max(len(self.stderr) - 1024, 0):])
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text += self.strings("end", self.request_message)
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try:
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self.message = await utils.answer(self.message, text)
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except telethon.errors.rpcerrorlist.MessageNotModifiedError:
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pass
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except telethon.errors.rpcerrorlist.MessageTooLongError as e:
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logger.error(e)
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logger.error(text)
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# The message is never empty due to the template header
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async def cmd_ended(self, rc):
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self.rc = rc
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self.state = 4
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await self.redraw()
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def update_process(self, process):
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pass
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class SudoMessageEditor(MessageEditor):
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# Let's just hope these are safe to parse
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PASS_REQ = "[sudo] password for"
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WRONG_PASS = r"\[sudo\] password for (.*): Sorry, try again\."
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TOO_MANY_TRIES = r"\[sudo\] password for (.*): sudo: [0-9]+ incorrect password attempts"
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def __init__(self, message, command, config, strings, request_message):
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super().__init__(message, command, config, strings, request_message)
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self.process = None
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self.state = 0
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self.authmsg = None
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def update_process(self, process):
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logger.debug("got sproc obj %s", process)
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self.process = process
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async def update_stderr(self, stderr):
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logger.debug("stderr update " + stderr)
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self.stderr = stderr
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lines = stderr.strip().split("\n")
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lastline = lines[-1]
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lastlines = lastline.rsplit(" ", 1)
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handled = False
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if len(lines) > 1 and re.fullmatch(self.WRONG_PASS,
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lines[-2]) and lastlines[0] == self.PASS_REQ and self.state == 1:
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logger.debug("switching state to 0")
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await self.authmsg.edit(self.strings("auth_failed", self.request_message))
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self.state = 0
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handled = True
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await asyncio.sleep(2)
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await self.authmsg.delete()
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if lastlines[0] == self.PASS_REQ and self.state == 0:
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logger.debug("Success to find sudo log!")
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text = self.strings("auth_needed", self.request_message).format((await self.message[0].client.get_me()).id)
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try:
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await utils.answer(self.message, text)
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except telethon.errors.rpcerrorlist.MessageNotModifiedError as e:
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logger.debug(e)
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logger.debug("edited message with link to self")
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command = "<code>" + utils.escape_html(self.command) + "</code>"
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user = utils.escape_html(lastlines[1][:-1])
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self.authmsg = await self.message[0].client.send_message("me",
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self.strings("auth_msg",
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self.request_message).format(command,
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user))
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logger.debug("sent message to self")
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self.message[0].client.remove_event_handler(self.on_message_edited)
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self.message[0].client.add_event_handler(self.on_message_edited,
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telethon.events.messageedited.MessageEdited(chats=["me"]))
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logger.debug("registered handler")
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handled = True
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if len(lines) > 1 and (re.fullmatch(self.TOO_MANY_TRIES, lastline)
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and (self.state == 1 or self.state == 3 or self.state == 4)):
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logger.debug("password wrong lots of times")
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await utils.answer(self.message, self.strings("auth_locked", self.request_message))
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await self.authmsg.delete()
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self.state = 2
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handled = True
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if not handled:
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logger.debug("Didn't find sudo log.")
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if self.authmsg is not None:
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await self.authmsg[0].delete()
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self.authmsg = None
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self.state = 2
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await self.redraw()
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logger.debug(self.state)
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async def update_stdout(self, stdout):
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self.stdout = stdout
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if self.state != 2:
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self.state = 3 # Means that we got stdout only
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if self.authmsg is not None:
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await self.authmsg.delete()
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self.authmsg = None
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await self.redraw()
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async def on_message_edited(self, message):
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# Message contains sensitive information.
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if self.authmsg is None:
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return
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logger.debug("got message edit update in self " + str(message.id))
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if hash_msg(message) == hash_msg(self.authmsg):
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# The user has provided interactive authentication. Send password to stdin for sudo.
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try:
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self.authmsg = await utils.answer(message, self.strings("auth_ongoing", self.request_message))
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except telethon.errors.rpcerrorlist.MessageNotModifiedError:
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# Try to clear personal info if the edit fails
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await message.delete()
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self.state = 1
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self.process.stdin.write(message.message.message.split("\n", 1)[0].encode("utf-8") + b"\n")
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class RawMessageEditor(SudoMessageEditor):
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def __init__(self, message, command, config, strings, request_message, show_done=False):
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super().__init__(message, command, config, strings, request_message)
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self.show_done = show_done
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async def redraw(self):
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logger.debug(self.rc)
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if self.rc is None:
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text = "<code>" + utils.escape_html(self.stdout[max(len(self.stdout) - 4095, 0):]) + "</code>"
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elif self.rc == 0:
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text = "<code>" + utils.escape_html(self.stdout[max(len(self.stdout) - 4090, 0):]) + "</code>"
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else:
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text = "<code>" + utils.escape_html(self.stderr[max(len(self.stderr) - 4095, 0):]) + "</code>"
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if self.rc is not None and self.show_done:
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text += "\n" + self.strings("done", self.request_message)
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logger.debug(text)
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try:
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await utils.answer(self.message, text)
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except telethon.errors.rpcerrorlist.MessageNotModifiedError:
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pass
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except (telethon.errors.rpcerrorlist.MessageEmptyError, ValueError):
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pass
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except telethon.errors.rpcerrorlist.MessageTooLongError as e:
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logger.error(e)
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logger.error(text)
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