Function _fetchSimple

src/tools/builtin/web_browse.js:193–214

(url, maxChars)

}

async function _fetchSimple(url, maxChars) {
  try {
    const response = await fetch(url, {
      headers: { 'User-Agent': 'Mozilla/5.0 (compatible; SmallCode/0.4.0)' },
      timeout: 10000,
      redirect: 'manual', // Don't auto-follow — a 30x to 169.254.169.254 would bypass the SSRF guard
    });
    if (response.status >= 300 && response.status < 400) {
      return `Refused: redirect to ${response.headers.get('location') || '(unknown)'} not followed`;
    }
    const html = await response.text();
    // Strip HTML tags for readable text
    const text = html.replace(/<script[\s\S]*?<\/script>/gi, '')
      .replace(/<style[\s\S]*?<\/style>/gi, '')
      .replace(/<[^>]+>/g, ' ')
      .replace(/\s+/g, ' ')
      .trim();
    return sanitizeToolOutput(text).slice(0, maxChars);
  } catch (e) {
    return `Failed to fetch ${url}: ${e.message}`;
  }
}

module.exports = { webSearch, webFetch, closeBrowser, loadPlaywright };