trustgraph/trustgraph-flow/trustgraph/gateway/socket.py

72 lines
1.5 KiB
Python

import asyncio
from aiohttp import web, WSMsgType
import logging
from . running import Running
logger = logging.getLogger("socket")
logger.setLevel(logging.INFO)
class SocketEndpoint:
def __init__(
self, endpoint_path, auth,
):
self.path = endpoint_path
self.auth = auth
self.operation = "socket"
async def listener(self, ws, running):
async for msg in ws:
# On error, finish
if msg.type == WSMsgType.TEXT:
# Ignore incoming message
continue
elif msg.type == WSMsgType.BINARY:
# Ignore incoming message
continue
else:
break
running.stop()
async def handle(self, request):
try:
token = request.query['token']
except:
token = ""
if not self.auth.permitted(token, self.operation):
return web.HTTPUnauthorized()
running = Running()
# 50MB max message size
ws = web.WebSocketResponse(max_msg_size=52428800)
await ws.prepare(request)
try:
await self.listener(ws, running)
except Exception as e:
print("Socket exception:", e, flush=True)
running.stop()
await ws.close()
return ws
async def start(self):
pass
def add_routes(self, app):
app.add_routes([
web.get(self.path, self.handle),
])