forked from fair/matrix-puppeteer-line
124 lines
4.6 KiB
Python
124 lines
4.6 KiB
Python
# matrix-appservice-line - A very hacky Matrix-LINE bridge based on running LINE's Chrome extension in Puppeteer
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# Copyright (C) 2020-2021 Tulir Asokan, Andrew Ferrazzutti
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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 Awaitable, Dict, Optional
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import logging
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import asyncio
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from aiohttp import web
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from mautrix.types import UserID
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from mautrix.util.logging import TraceLogger
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from .. import user as u
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class ProvisioningAPI:
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log: TraceLogger = logging.getLogger("mau.web.provisioning")
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app: web.Application
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def __init__(self, shared_secret: str) -> None:
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self.app = web.Application()
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self.shared_secret = shared_secret
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self.app.router.add_get("/api/whoami", self.status)
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self.app.router.add_get("/api/login", self.login)
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@property
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def _acao_headers(self) -> Dict[str, str]:
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return {
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"Access-Control-Allow-Origin": "*",
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"Access-Control-Allow-Headers": "Authorization, Content-Type",
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"Access-Control-Allow-Methods": "GET",
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}
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@property
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def _headers(self) -> Dict[str, str]:
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return {
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**self._acao_headers,
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"Content-Type": "application/json",
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}
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async def login_options(self, _: web.Request) -> web.Response:
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return web.Response(status=200, headers=self._headers)
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@staticmethod
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def _get_ws_token(request: web.Request) -> Optional[str]:
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if not request.path.endswith("/login"):
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return None
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try:
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auth_parts = request.headers["Sec-WebSocket-Protocol"].split(",")
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except KeyError:
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return None
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for part in auth_parts:
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part = part.strip()
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if part.startswith("net.maunium.line.auth-"):
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return part[len("net.maunium.line.auth-"):]
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return None
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def check_token(self, request: web.Request) -> Awaitable['u.User']:
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try:
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token = request.headers["Authorization"]
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token = token[len("Bearer "):]
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except KeyError:
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token = self._get_ws_token(request)
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if not token:
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raise web.HTTPBadRequest(text='{"error": "Missing Authorization header"}',
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headers=self._headers)
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except IndexError:
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raise web.HTTPBadRequest(text='{"error": "Malformed Authorization header"}',
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headers=self._headers)
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if token != self.shared_secret:
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raise web.HTTPForbidden(text='{"error": "Invalid token"}', headers=self._headers)
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try:
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user_id = request.query["user_id"]
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except KeyError:
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raise web.HTTPBadRequest(text='{"error": "Missing user_id query param"}',
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headers=self._headers)
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return u.User.get_by_mxid(UserID(user_id))
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async def status(self, request: web.Request) -> web.Response:
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user = await self.check_token(request)
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data = {
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"mxid": user.mxid,
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"line": {
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"connected": True,
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} if await user.is_logged_in() else None,
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}
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return web.json_response(data, headers=self._acao_headers)
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async def login(self, request: web.Request) -> web.WebSocketResponse:
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user = await self.check_token(request)
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status = await user.client.start()
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if status.is_logged_in:
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raise web.HTTPConflict(text='{"error": "Already logged in"}', headers=self._headers)
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ws = web.WebSocketResponse(protocols=["net.maunium.line.login"])
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await ws.prepare(request)
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try:
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async for url in user.client.login():
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self.log.debug("Sending QR URL %s to websocket", url)
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await ws.send_json({"url": url})
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except Exception:
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await ws.send_json({"success": False})
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self.log.exception("Error logging in")
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else:
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await ws.send_json({"success": True})
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asyncio.create_task(user.sync())
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await ws.close()
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return ws
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