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2025-07-10 21:02:34 +03:00
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KeyZenD/modules/noterminal.py Normal file
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# Friendly Telegram (telegram userbot)
# Copyright (C) 2018-2019 The Authors
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from .. import loader, utils
import logging
import asyncio
import telethon
import os
import re
logger = logging.getLogger(__name__)
@loader.tds
class noTerminalMod(loader.Module):
"""Runs commands"""
strings = {"name": "noTerminal",
"flood_wait_protect_cfg_doc": "How long to wait in seconds between edits in commands",
"what_to_kill": "<b>Reply to a terminal command to terminate it</b>",
"kill_fail": "<b>Could not kill process</b>",
"killed": "<b>Killed</b>",
"no_cmd": "<b>No command is running in that message</b>",
"running": "<b>Running command</b> <code>{}</code>",
"finished": "\n<b>Command finished with return code</b> <code>{}</code>",
"stdout": "\n<b>Stdout:</b>\n<code>",
"stderr": "</code>\n\n<b>Stderr:</b>\n<code>",
"end": "</code>",
"auth_fail": "<b>Authentication failed, please try again</b>",
"auth_needed": "<a href=\"tg://user?id={}\">Interactive authentication required</a>",
"auth_msg": ("<b>Please edit this message to the password for</b> "
"<code>{}</code> <b>to run</b> <code>{}</code>"),
"auth_locked": "<b>Authentication failed, please try again later</b>",
"auth_ongoing": "<b>Authenticating...</b>",
"done": "<b>Done</b>",
"what_note": "<b>What noterminal should be executed?</b>",
"no_note": "<b>noteminal not found</b>"}
def __init__(self):
self.config = loader.ModuleConfig("FLOOD_WAIT_PROTECT", 2,
lambda m: self.strings("flood_wait_protect_cfg_doc", m))
self.activecmds = {}
async def client_ready(self, client, db):
self.client = client
self.db = db
self._db = db
async def noterminalcmd(self, message):
"""Gets the note specified"""
args = utils.get_args(message)
if not args:
await utils.answer(message, self.strings("what_note", message))
return
asset_id = self.db.get("friendly-telegram.modules.notes", "notes", {}).get(args[0], None)
logger.debug(asset_id)
if asset_id is not None:
asset = await self.db.fetch_asset(asset_id)
else:
asset_id = self.db.get("friendly-telegram.modules.notes", "notes", {}).get(args[0].lower(), None)
if asset_id is not None:
asset = await self.db.fetch_asset(asset_id)
else:
asset = None
if asset is None:
await utils.answer(message, self.strings("no_note", message))
return
cmd = await self.db.fetch_asset(asset_id)
await self.run_command(message, cmd.raw_text)
async def run_command(self, message, cmd, editor=None):
if len(cmd.split(" ")) > 1 and cmd.split(" ")[0] == "sudo":
needsswitch = True
for word in cmd.split(" ", 1)[1].split(" "):
if word[0] != "-":
break
if word == "-S":
needsswitch = False
if needsswitch:
cmd = " ".join([cmd.split(" ", 1)[0], "-S", cmd.split(" ", 1)[1]])
sproc = await asyncio.create_subprocess_shell(cmd, stdin=asyncio.subprocess.PIPE,
stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE,
cwd=utils.get_base_dir())
if editor is None:
editor = SudoMessageEditor(message, cmd, self.config, self.strings, message)
editor.update_process(sproc)
self.activecmds[hash_msg(message)] = sproc
await editor.redraw()
await asyncio.gather(read_stream(editor.update_stdout, sproc.stdout, self.config["FLOOD_WAIT_PROTECT"]),
read_stream(editor.update_stderr, sproc.stderr, self.config["FLOOD_WAIT_PROTECT"]))
await editor.cmd_ended(await sproc.wait())
del self.activecmds[hash_msg(message)]
@loader.owner
async def noterminatecmd(self, message):
"""Use in reply to send SIGTERM to a process"""
if not message.is_reply:
await utils.answer(message, self.strings("what_to_kill", message))
return
if hash_msg(await message.get_reply_message()) in self.activecmds:
try:
self.activecmds[hash_msg(await message.get_reply_message())].terminate()
except Exception:
logger.exception("Killing process failed")
await utils.answer(message, self.strings("kill_fail", message))
else:
await utils.answer(message, self.strings("killed", message))
else:
await utils.answer(message, self.strings("no_cmd", message))
@loader.owner
async def nokillcmd(self, message):
"""Use in reply to send SIGKILL to a process"""
if not message.is_reply:
await utils.answer(message, self.strings("what_to_kill", message))
return
if hash_msg(await message.get_reply_message()) in self.activecmds:
try:
self.activecmds[hash_msg(await message.get_reply_message())].kill()
except Exception:
logger.exception("Killing process failed")
await utils.answer(message, self.strings("kill_fail", message))
else:
await utils.answer(message, self.strings("killed", message))
else:
await utils.answer(message, self.strings("no_cmd", message))
def hash_msg(message):
return str(utils.get_chat_id(message)) + "/" + str(message.id)
async def read_stream(func, stream, delay):
last_task = None
data = b""
while True:
dat = (await stream.read(1))
if not dat:
# EOF
if last_task:
# Send all pending data
last_task.cancel()
await func(data.decode("utf-8"))
# If there is no last task there is inherently no data, so theres no point sending a blank string
break
data += dat
if last_task:
last_task.cancel()
last_task = asyncio.ensure_future(sleep_for_task(func, data, delay))
async def sleep_for_task(func, data, delay):
await asyncio.sleep(delay)
await func(data.decode("utf-8"))
class MessageEditor:
def __init__(self, message, command, config, strings, request_message):
self.message = [message]
self.command = command
self.stdout = ""
self.stderr = ""
self.rc = None
self.redraws = 0
self.config = config
self.strings = strings
self.request_message = request_message
async def update_stdout(self, stdout):
self.stdout = stdout
await self.redraw()
async def update_stderr(self, stderr):
self.stderr = stderr
await self.redraw()
async def redraw(self):
text = "" # self.strings("running", self.request_message).format(utils.escape_html(self.command))
# if self.rc is not None:
# text += self.strings("finished", self.request_message).format(utils.escape_html(str(self.rc)))
text += self.strings("stdout", self.request_message)
text += utils.escape_html(self.stdout[max(len(self.stdout) - 2048, 0):])
if len(self.stderr) > 0:
text += self.strings("stderr", self.request_message)
text += utils.escape_html(self.stderr[max(len(self.stderr) - 1024, 0):])
text += self.strings("end", self.request_message)
try:
self.message = await utils.answer(self.message, text)
except telethon.errors.rpcerrorlist.MessageNotModifiedError:
pass
except telethon.errors.rpcerrorlist.MessageTooLongError as e:
logger.error(e)
logger.error(text)
# The message is never empty due to the template header
async def cmd_ended(self, rc):
self.rc = rc
self.state = 4
await self.redraw()
def update_process(self, process):
pass
class SudoMessageEditor(MessageEditor):
# Let's just hope these are safe to parse
PASS_REQ = "[sudo] password for"
WRONG_PASS = r"\[sudo\] password for (.*): Sorry, try again\."
TOO_MANY_TRIES = r"\[sudo\] password for (.*): sudo: [0-9]+ incorrect password attempts"
def __init__(self, message, command, config, strings, request_message):
super().__init__(message, command, config, strings, request_message)
self.process = None
self.state = 0
self.authmsg = None
def update_process(self, process):
logger.debug("got sproc obj %s", process)
self.process = process
async def update_stderr(self, stderr):
logger.debug("stderr update " + stderr)
self.stderr = stderr
lines = stderr.strip().split("\n")
lastline = lines[-1]
lastlines = lastline.rsplit(" ", 1)
handled = False
if len(lines) > 1 and re.fullmatch(self.WRONG_PASS,
lines[-2]) and lastlines[0] == self.PASS_REQ and self.state == 1:
logger.debug("switching state to 0")
await self.authmsg.edit(self.strings("auth_failed", self.request_message))
self.state = 0
handled = True
await asyncio.sleep(2)
await self.authmsg.delete()
if lastlines[0] == self.PASS_REQ and self.state == 0:
logger.debug("Success to find sudo log!")
text = self.strings("auth_needed", self.request_message).format((await self.message[0].client.get_me()).id)
try:
await utils.answer(self.message, text)
except telethon.errors.rpcerrorlist.MessageNotModifiedError as e:
logger.debug(e)
logger.debug("edited message with link to self")
command = "<code>" + utils.escape_html(self.command) + "</code>"
user = utils.escape_html(lastlines[1][:-1])
self.authmsg = await self.message[0].client.send_message("me",
self.strings("auth_msg",
self.request_message).format(command,
user))
logger.debug("sent message to self")
self.message[0].client.remove_event_handler(self.on_message_edited)
self.message[0].client.add_event_handler(self.on_message_edited,
telethon.events.messageedited.MessageEdited(chats=["me"]))
logger.debug("registered handler")
handled = True
if len(lines) > 1 and (re.fullmatch(self.TOO_MANY_TRIES, lastline)
and (self.state == 1 or self.state == 3 or self.state == 4)):
logger.debug("password wrong lots of times")
await utils.answer(self.message, self.strings("auth_locked", self.request_message))
await self.authmsg.delete()
self.state = 2
handled = True
if not handled:
logger.debug("Didn't find sudo log.")
if self.authmsg is not None:
await self.authmsg[0].delete()
self.authmsg = None
self.state = 2
await self.redraw()
logger.debug(self.state)
async def update_stdout(self, stdout):
self.stdout = stdout
if self.state != 2:
self.state = 3 # Means that we got stdout only
if self.authmsg is not None:
await self.authmsg.delete()
self.authmsg = None
await self.redraw()
async def on_message_edited(self, message):
# Message contains sensitive information.
if self.authmsg is None:
return
logger.debug("got message edit update in self " + str(message.id))
if hash_msg(message) == hash_msg(self.authmsg):
# The user has provided interactive authentication. Send password to stdin for sudo.
try:
self.authmsg = await utils.answer(message, self.strings("auth_ongoing", self.request_message))
except telethon.errors.rpcerrorlist.MessageNotModifiedError:
# Try to clear personal info if the edit fails
await message.delete()
self.state = 1
self.process.stdin.write(message.message.message.split("\n", 1)[0].encode("utf-8") + b"\n")
class RawMessageEditor(SudoMessageEditor):
def __init__(self, message, command, config, strings, request_message, show_done=False):
super().__init__(message, command, config, strings, request_message)
self.show_done = show_done
async def redraw(self):
logger.debug(self.rc)
if self.rc is None:
text = "<code>" + utils.escape_html(self.stdout[max(len(self.stdout) - 4095, 0):]) + "</code>"
elif self.rc == 0:
text = "<code>" + utils.escape_html(self.stdout[max(len(self.stdout) - 4090, 0):]) + "</code>"
else:
text = "<code>" + utils.escape_html(self.stderr[max(len(self.stderr) - 4095, 0):]) + "</code>"
if self.rc is not None and self.show_done:
text += "\n" + self.strings("done", self.request_message)
logger.debug(text)
try:
await utils.answer(self.message, text)
except telethon.errors.rpcerrorlist.MessageNotModifiedError:
pass
except (telethon.errors.rpcerrorlist.MessageEmptyError, ValueError):
pass
except telethon.errors.rpcerrorlist.MessageTooLongError as e:
logger.error(e)
logger.error(text)