Function startLocalOAuthServer

electron/utils/openai-codex-oauth.ts:160–217

(state: string)

}

function startLocalOAuthServer(state: string): Promise<OpenAICodexLocalServer | null> {
  let lastCode: string | null = null;

  const server = createServer((req, res) => {
    try {
      const url = new URL(req.url || '', 'http://localhost');
      if (url.pathname !== '/auth/callback') {
        res.statusCode = 404;
        res.end('Not found');
        return;
      }

      if (url.searchParams.get('state') !== state) {
        res.statusCode = 400;
        res.end('State mismatch');
        return;
      }

      const code = url.searchParams.get('code');
      if (!code) {
        res.statusCode = 400;
        res.end('Missing authorization code');
        return;
      }

      lastCode = code;
      res.statusCode = 200;
      res.setHeader('Content-Type', 'text/html; charset=utf-8');
      res.end(SUCCESS_HTML);
    } catch {
      res.statusCode = 500;
      res.end('Internal error');
    }
  });

  return new Promise((resolve) => {
    // Bind dual-stack loopback so both `localhost` and `127.0.0.1` redirects work.
    server
      .listen(1455, () => {
        resolve({
          close: () => server.close(),
          waitForCode: async () => {
            const sleep = () => new Promise((r) => setTimeout(r, 100));
            for (let i = 0; i < 600; i += 1) {
              if (lastCode) {
                return { code: lastCode };
              }
              await sleep();
            }
            return null;
          },
        });
      })
      .on('error', () => {
        resolve(null);
      });
  });
}