Tulir Asokan
192 lines
9.0 KiB
Python
192 lines
9.0 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 Optional
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import asyncio
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import logging
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import random
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import string
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import time
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from mako.template import Template
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from aiohttp import web
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import pkg_resources
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from mautrix.types import UserID
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from mautrix.util.signed_token import sign_token, verify_token
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from ...user import User
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from ...puppet import Puppet
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from ..common import AuthAPI
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class PublicBridgeWebsite(AuthAPI):
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log: logging.Logger = logging.getLogger("mau.web.public")
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secret_key: str
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login: Template
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mx_login: Template
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app: web.Application
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def __init__(self, loop: asyncio.AbstractEventLoop):
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super().__init__(loop)
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self.secret_key = "".join(random.choices(string.ascii_lowercase + string.digits, k=64))
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self.login = Template(pkg_resources.resource_string(
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"mautrix_telegram", "web/public/login.html.mako"))
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self.mx_login = Template(pkg_resources.resource_string(
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"mautrix_telegram", "web/public/matrix-login.html.mako"))
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self.app = web.Application(loop=loop)
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self.app.router.add_route("GET", "/login", self.get_login)
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self.app.router.add_route("POST", "/login", self.post_login)
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self.app.router.add_route("GET", "/matrix-login", self.get_matrix_login)
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self.app.router.add_route("POST", "/matrix-login", self.post_matrix_login)
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self.app.router.add_static("/", pkg_resources.resource_filename("mautrix_telegram",
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"web/public/"))
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def make_token(self, mxid: str, endpoint: str = "/login", expires_in: int = 900) -> str:
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return sign_token(self.secret_key, {
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"mxid": mxid,
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"endpoint": endpoint,
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"expiry": int(time.time()) + expires_in,
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})
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def verify_token(self, token: str, endpoint: str = "/login") -> Optional[UserID]:
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token = verify_token(self.secret_key, token)
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if token and (token.get("expiry", 0) > int(time.time()) and
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token.get("endpoint", None) == endpoint):
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return UserID(token.get("mxid", None))
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return None
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async def get_login(self, request: web.Request) -> web.Response:
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state = "bot_token" if request.rel_url.query.get("mode", "") == "bot" else "request"
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mxid = self.verify_token(request.rel_url.query.get("token", None), endpoint="/login")
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if not mxid:
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return self.get_login_response(status=401, state="invalid-token")
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user = await User.get_by_mxid(mxid, create=False) if mxid else None
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if not user:
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return self.get_login_response(mxid=mxid, state=state)
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elif not user.puppet_whitelisted:
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return self.get_login_response(mxid=user.mxid, error="You are not whitelisted.",
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status=403)
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await user.ensure_started()
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if not await user.is_logged_in():
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return self.get_login_response(mxid=user.mxid, state=state)
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return self.get_login_response(mxid=user.mxid, human_tg_id=user.human_tg_id)
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async def get_matrix_login(self, request: web.Request) -> web.Response:
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mxid = self.verify_token(request.rel_url.query.get("token", None),
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endpoint="/matrix-login")
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if not mxid:
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return self.get_mx_login_response(status=401, state="invalid-token")
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user = await User.get_by_mxid(mxid, create=False) if mxid else None
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if not user:
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return self.get_mx_login_response(mxid=mxid)
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elif not user.puppet_whitelisted:
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return self.get_mx_login_response(mxid=user.mxid, error="You are not whitelisted.",
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status=403)
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await user.ensure_started()
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if not await user.is_logged_in():
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return self.get_mx_login_response(mxid=user.mxid, status=403,
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error="You are not logged in to Telegram.")
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puppet = await Puppet.get_by_tgid(user.tgid)
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if puppet.is_real_user:
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return self.get_mx_login_response(state="already-logged-in", status=409)
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return self.get_mx_login_response(mxid=user.mxid)
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def get_login_response(self, status: int = 200, state: str = "", username: str = "",
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phone: str = "", human_tg_id: str = "", mxid: str = "",
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message: str = "", error: str = "", errcode: str = "") -> web.Response:
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return web.Response(status=status, content_type="text/html",
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text=self.login.render(human_tg_id=human_tg_id, state=state,
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error=error, message=message, mxid=mxid))
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def get_mx_login_response(self, status: int = 200, state: str = "", username: str = "",
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phone: str = "", human_tg_id: str = "", mxid: str = "",
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message: str = "", error: str = "", errcode: str = ""
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) -> web.Response:
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return web.Response(status=status, content_type="text/html",
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text=self.mx_login.render(human_tg_id=human_tg_id, state=state,
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error=error, message=message, mxid=mxid))
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async def post_matrix_login(self, request: web.Request) -> web.Response:
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mxid = self.verify_token(request.rel_url.query.get("token", None),
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endpoint="/matrix-login")
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if not mxid:
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return self.get_mx_login_response(status=401, state="invalid-token")
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data = await request.post()
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user = await User.get_and_start_by_mxid(mxid)
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if not user.puppet_whitelisted:
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return self.get_mx_login_response(mxid=user.mxid, error="You are not whitelisted.",
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status=403)
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elif not await user.is_logged_in():
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return self.get_mx_login_response(mxid=user.mxid, status=403,
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error="You are not logged in to Telegram.")
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mode = data.get("mode", "access_token")
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if mode == "password":
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return await self.post_matrix_password(user, data["value"])
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elif mode == "access_token":
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return await self.post_matrix_token(user, data["value"])
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return self.get_mx_login_response(mxid=user.mxid, status=400,
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error="You must provide an access token or "
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"password.")
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async def post_login(self, request: web.Request) -> web.Response:
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mxid = self.verify_token(request.rel_url.query.get("token", None), endpoint="/login")
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if not mxid:
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return self.get_login_response(status=401, state="invalid-token")
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data = await request.post()
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user = await User.get_by_mxid(mxid).ensure_started(even_if_no_session=True)
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if not user.puppet_whitelisted:
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return self.get_login_response(mxid=user.mxid, error="You are not whitelisted.",
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status=403)
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elif await user.is_logged_in():
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return self.get_login_response(mxid=user.mxid, human_tg_id=user.human_tg_id)
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await user.ensure_started(even_if_no_session=True)
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if "phone" in data:
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return await self.post_login_phone(user, data["phone"])
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elif "bot_token" in data:
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return await self.post_login_token(user, data["bot_token"])
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elif "code" in data:
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try:
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code = int(data["code"].strip())
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except ValueError:
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return self.get_login_response(mxid=user.mxid, state="code", status=400,
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errcode="phone_code_invalid",
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error="Phone code must be a number.")
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resp = await self.post_login_code(user, code,
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password_in_data="password" in data)
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if resp or "password" not in data:
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return resp
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elif "password" not in data:
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return self.get_login_response(error="No data given.", status=400)
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if "password" in data:
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return await self.post_login_password(user, data["password"])
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return self.get_login_response(error="This should never happen.", status=500)
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