Tulir Asokan
129 lines
5.0 KiB
Python
129 lines
5.0 KiB
Python
# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2019 Tulir Asokan
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#
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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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#
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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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#
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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 typing import Set, Callable
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import asyncio
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import sys
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import os
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from attr import dataclass
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from telethon import __version__ as __telethon_version__
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from mautrix import __version__ as __mautrix_version__
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from mautrix.types import UserID
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from mautrix.errors import MatrixConnectionError
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from mautrix.util.manhole import start_manhole
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from .. import __version__
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from . import command_handler, CommandEvent, SECTION_ADMIN
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@dataclass
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class ManholeState:
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server: asyncio.AbstractServer
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opened_by: UserID
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close: Callable[[], None]
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whitelist: Set[int]
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@command_handler(needs_auth=False, needs_admin=True, help_section=SECTION_ADMIN,
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help_text="Open a manhole into the bridge.", help_args="<_uid..._>")
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async def open_manhole(evt: CommandEvent) -> None:
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if not evt.config["manhole.enabled"]:
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await evt.reply("The manhole has been disabled in the config.")
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return
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elif len(evt.args) == 0:
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await evt.reply("**Usage:** `$cmdprefix+sp open-manhole <uid...>`")
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return
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whitelist = set()
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whitelist_whitelist = evt.config["manhole.whitelist"]
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for arg in evt.args:
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try:
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uid = int(arg)
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except ValueError:
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await evt.reply(f"{arg} is not an integer.")
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return
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if whitelist_whitelist and uid not in whitelist_whitelist:
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await evt.reply(f"{uid} is not in the list of allowed UIDs.")
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return
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whitelist.add(uid)
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if evt.bridge.manhole:
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added = [uid for uid in whitelist
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if uid not in evt.bridge.manhole.whitelist]
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evt.bridge.manhole.whitelist |= set(added)
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if len(added) == 0:
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await evt.reply(f"There's an existing manhole opened by {evt.bridge.manhole.opened_by}"
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" and all the given UIDs are already whitelisted.")
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else:
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added_str = (f"{', '.join(str(uid) for uid in added[:-1])} and {added[-1]}"
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if len(added) > 1 else added[0])
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await evt.reply(f"There's an existing manhole opened by {evt.bridge.manhole.opened_by}"
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f". Added {added_str} to the whitelist.")
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evt.log.info(f"{evt.sender.mxid} added {added_str} to the manhole whitelist.")
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return
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from ..portal import Portal
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from ..puppet import Puppet
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from ..user import User
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namespace = {
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"bridge": evt.bridge,
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"User": User,
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"Portal": Portal,
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"Puppet": Puppet,
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}
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banner = (f"Python {sys.version} on {sys.platform}\n"
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f"mautrix-telegram {__version__} with mautrix-python {__mautrix_version__} "
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f"and Telethon {__telethon_version__}\n\nManhole opened by {evt.sender.mxid}\n")
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path = evt.config["manhole.path"]
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wl_list = list(whitelist)
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whitelist_str = (f"{', '.join(str(uid) for uid in wl_list[:-1])} and {wl_list[-1]}"
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if len(wl_list) > 1 else wl_list[0])
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evt.log.info(f"{evt.sender.mxid} opened a manhole with {whitelist_str} whitelisted.")
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server, close = await start_manhole(path=path, banner=banner, namespace=namespace,
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loop=evt.loop, whitelist=whitelist)
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evt.bridge.manhole = ManholeState(server=server, opened_by=evt.sender.mxid, close=close,
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whitelist=whitelist)
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plrl = "s" if len(whitelist) != 1 else ""
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await evt.reply(f"Opened manhole at unix://{path} with UID{plrl} {whitelist_str} whitelisted")
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await server.wait_closed()
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evt.bridge.manhole = None
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try:
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os.unlink(path)
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except FileNotFoundError:
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pass
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evt.log.info(f"{evt.sender.mxid}'s manhole was closed.")
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try:
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await evt.reply("Your manhole was closed.")
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except (AttributeError, MatrixConnectionError) as e:
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evt.log.warning(f"Failed to send manhole close notification: {e}")
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@command_handler(needs_auth=False, needs_admin=True, help_section=SECTION_ADMIN,
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help_text="Close an open manhole.")
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async def close_manhole(evt: CommandEvent) -> None:
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if not evt.bridge.manhole:
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await evt.reply("There is no open manhole.")
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return
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opened_by = evt.bridge.manhole.opened_by
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evt.bridge.manhole.close()
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evt.bridge.manhole = None
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if opened_by != evt.sender.mxid:
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await evt.reply(f"Closed manhole opened by {opened_by}")
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