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Developer
2026-03-17 19:52:26 +08:00
parent 714d28358f
commit e4760b1f07
7 changed files with 633 additions and 268 deletions
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33
dev-proxy.js
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@@ -1,6 +1,8 @@
const http = require('http');
const https = require('https');
const zlib = require('zlib');
const zlib = require('zlib');
const express = require('express');
const WsLib = require('ws');
const app = express();
// CORS: allow any local origin (Expo web dev server)
@@ -103,5 +105,30 @@ app.use('/bilibili-img', (req, res) => {
makeProxy(host)(req, res);
});
const PORT = process.env.PROXY_PORT || 3001;
app.listen(PORT, () => console.log(`[Proxy] http://localhost:${PORT}`));
const PORT = process.env.PROXY_PORT || 3001;
const server = http.createServer(app);
// WebSocket relay — Android Expo Go often can't reach *.chat.bilibili.com directly.
// Device connects here; proxy opens the upstream WSS connection and relays all frames.
const wss = new WsLib.Server({ server, path: '/bilibili-danmaku-ws' });
wss.on('connection', (clientWs, req) => {
const url = new URL(req.url, `http://localhost:${PORT}`);
const target = url.searchParams.get('host');
if (!target || !target.includes('bilibili.com')) {
clientWs.close(4001, 'invalid target');
return;
}
console.log('[ws-relay] →', target);
const upstream = new WsLib(target, { headers: { Origin: 'https://live.bilibili.com' }, perMessageDeflate: false });
upstream.on('open', () => console.log('[ws-relay] upstream open'));
upstream.on('message', data => { if (clientWs.readyState === 1) clientWs.send(data, { binary: true }); });
upstream.on('error', err => { console.error('[ws-relay] upstream error:', err.message); clientWs.close(); });
upstream.on('close', () => clientWs.close());
clientWs.on('message', data => { if (upstream.readyState === 1) upstream.send(data); });
clientWs.on('close', () => upstream.close());
clientWs.on('error', () => upstream.close());
});
server.listen(PORT, '0.0.0.0', () =>
console.log(`[Proxy] http://localhost:${PORT} ws://<LAN-IP>:${PORT}/bilibili-danmaku-ws`)
);