Function rawHttpGet

packages/server/test/host-origin.e2e.test.ts:93–118

* Raw HTTP GET that lets us set an arbitrary `Host` header. Node's `fetch` * (undici) treats `Host` as a forbidden header and silently replaces it with * the URL host, so we drive `node:http` directly to exercise the Host check.

(
  url: string,
  headers: Record<string, string>,
)

 * the URL host, so we drive `node:http` directly to exercise the Host check.
 */
function rawHttpGet(
  url: string,
  headers: Record<string, string>,
): Promise<{ status: number; body: string }> {
  return new Promise((resolve, reject) => {
    const u = new URL(url);
    const req = httpRequest(
      {
        hostname: u.hostname,
        port: u.port,
        path: `${u.pathname}${u.search}`,
        method: 'GET',
        headers,
      },
      (res) => {
        let body = '';
        res.on('data', (chunk: Buffer) => {
          body += chunk.toString();
        });
        res.on('end', () => resolve({ status: res.statusCode ?? 0, body }));
      },
    );
    req.on('error', reject);
    req.end();
  });
}

function openConn(url: string, opts?: ConnectOptions): Promise<Conn> {
  return new Promise((resolve, reject) => {