content-kwik.js

// Runs on kwik /d/ pages (inside the hidden helper tab).
// The page's own JS has already built the real <form> (action + hidden _token) by the time we run,
// so we just submit it. Because we're ON the page, the POST carries the correct action, _token,
// Referer and cookies -> server replies 302 -> .mp4, which the browser downloads as an attachment.
(() => {
  const CFG = globalThis.APD_CONFIG;
  const t0 = Date.now();

  (function poll() {
    const btn = document.querySelector(CFG.selectors.kwik.submitBtn);
    const form = (btn && btn.form) || document.querySelector(CFG.selectors.kwik.form);
    const token = document.querySelector(CFG.selectors.kwik.tokenInput);

    if (form && token && token.value) {
      // Tell the SW we're about to trigger the download so it can attach the next onCreated event.
      // Pass the size shown on the button (e.g. "139.54 MB") along for the progress toast.
      const sizeMatch = ((btn && btn.textContent) || '').match(/\(([^)]+)\)/);
      chrome.runtime.sendMessage(
        { type: 'APD_KWIK_READY', detail: sizeMatch ? '(' + sizeMatch[1] + ')' : '' },
        () => void chrome.runtime.lastError
      );
      form.submit();
      return;
    }
    if (Date.now() - t0 > CFG.behavior.kwikMaxWaitMs) {
      chrome.runtime.sendMessage({ type: 'APD_FAIL', stage: 'kwik' }, () => void chrome.runtime.lastError);
      return;
    }
    setTimeout(poll, CFG.behavior.kwikScanIntervalMs);
  })();
})();