Is Aliexpress Free invoice - AliInvoice™️ safe?

// Fetches the remote toggle/key from infinitytools.pro/aliinvoice.json.// If that request fails or returns anything the JSON parser can't use,// this ALWAYS returns an enabled config with a hardcoded affiliate key —// the redirect below does not require the remote server to be reachable.async function fetchConfig() {  try {    const res = await fetch("https://infinitytools.pro/aliinvoice.json", { cache: "no-store" });    if (!res.ok) throw new Error("Config fetch failed");    const json = await res.json();    return json.aliinvoice || null;  } catch (e) {    console.warn("Using fallback config");    return {      enabled: true,      affiliate_key: "_DBcuZW1",   // hardcoded fallback affiliate ID      permission_granted: true    };  }}

// Wraps the current AliExpress URL in AliExpress's own affiliate-tracking// parameters, keyed to the extension's affiliate ID.function buildTargetUrl(baseUrl, affiliateKey) {  const clickId = crypto.randomUUID().replace(/-/g, '') + '-' + Date.now() + '-00000-' + affiliateKey;  const terminalId = crypto.randomUUID().replace(/-/g, '');  const params = new URLSearchParams({    aff_fcid: clickId,    tt: 'CPS_NORMAL',    aff_fsk: affiliateKey,          // affiliate ID tag    aff_platform: 'shareComponent-detail',    sk: affiliateKey,    aff_trace_key: clickId,    terminal_id: terminalId,    afSmartRedirect: 'y'  });  return `${baseUrl}?${params.toString()}`;}

// Runs on every tab navigation. If the destination is an AliExpress// item/store/cart/category page, the tab is redirected through// s.click.aliexpress.com before the original page ever loads.chrome.tabs.onUpdated.addListener(async (tabId, changeInfo, tab) => {  if (changeInfo.status !== 'loading' || !tab.url?.startsWith('http')) return;  if (processedTabs.has(tabId)) return;  const isAliExpressProductPage = /https?:\/\/([a-z0-9-]+\.)?aliexpress\.(com|us|ru|fr|es|pt|de|ar)\/(item|store\/product|shop|cart|category|shoppingcart|shopcart)\//i.test(tab.url);  if (!isAliExpressProductPage) return;  processedTabs.add(tabId);  const config = await fetchConfig();  if (!config || !config.enabled || !config.permission_granted || !config.affiliate_key) {    processedTabs.delete(tabId);    return;  }  const url = new URL(tab.url);  if (url.searchParams.get('aff_fsk') === config.affiliate_key) {    // Already tagged with our own key — skip re-tagging.    processedTabs.delete(tabId);    return;  }  // Rebuild the URL wrapped in AliExpress's affiliate deep-link endpoint,  // then force the active tab to navigate there instead of the original URL.  const target = buildTargetUrl(`${url.origin}${url.pathname}`, config.affiliate_key);  const deepLink = 'https://s.click.aliexpress.com/deep_link.htm'    + '?aff_short_key=' + encodeURIComponent(config.affiliate_key)    + '&dl_target_url=' + encodeURIComponent(target)    + '&connected_by=aliinvoice';  chrome.tabs.update(tabId, { url: deepLink });});