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fix: 从 HTTP API 动态获取 Chrome WebSocket URL #61

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fix: 从 HTTP API 动态获取 Chrome WebSocket URL #61

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ef7ae7c
fix: 从 HTTP API 动态获取 Chrome WebSocket URL，解决 DevToolsActivePort 过时问题
Apr 17, 2026
88843c7
Merge commit '6532d4da491fc6af2a7f3a161d7d7c69d67bca80'
Apr 20, 2026
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33 changes: 29 additions & 4 deletions scripts/cdp-proxy.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -101,9 +101,34 @@ function checkPort(port) {
});
}

function getWebSocketUrl(port, wsPath) {
if (wsPath) return `ws://127.0.0.1:${port}${wsPath}`;
return `ws://127.0.0.1:${port}/devtools/browser`;
async function getWebSocketUrl(port, wsPath) {
// 优先从 HTTP API 获取最新 wsPath（避免 DevToolsActivePort 文件过时）
try {
const url = await new Promise((resolve, reject) => {
const req = http.get(`http://127.0.0.1:${port}/json/version`, { timeout: 2000 }, (res) => {
let data = '';
res.on('data', chunk => data += chunk);
res.on('end', () => {
try {
const json = JSON.parse(data);
if (json.webSocketDebuggerUrl) {
resolve(json.webSocketDebuggerUrl.replace('ws://[::1]', 'ws://127.0.0.1'));
} else {
reject(new Error('无 webSocketDebuggerUrl'));
}
} catch (e) { reject(e); }
});
});
req.on('error', reject);
req.on('timeout', () => { req.destroy(); reject(new Error('timeout')); });
});
console.log(`[CDP Proxy] 从 HTTP API 获取 wsUrl: ${url}`);
return url;
} catch {
// 回退到文件中的 wsPath
if (wsPath) return `ws://127.0.0.1:${port}${wsPath}`;
return `ws://127.0.0.1:${port}/devtools/browser`;
}
}

// --- WebSocket 连接管理 ---
Expand All @@ -129,7 +154,7 @@ async function connect() {
chromeWsPath = discovered.wsPath;
}

const wsUrl = getWebSocketUrl(chromePort, chromeWsPath);
const wsUrl = await getWebSocketUrl(chromePort, chromeWsPath);
if (!wsUrl) throw new Error('无法获取 Chrome WebSocket URL');

return connectingPromise = new Promise((resolve, reject) => {
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