Is Rocket Sender - Bulk WA Messages & Automation safe?

u.onFullReady((() => {
  (0, l.wrapModuleFunction)(d.getABPropConfigValue, ((e, ...t) => {
    const [r] = t;
    return "link_preview_wait_time" === r ? 7 : e(...t)
  })), (0, l.wrapModuleFunction)(d.genMinimalLinkPreview, (async (e, ...t) => {
    const [r] = t, n = "string" == typeof r ? r : r.url;
    return new Promise((async r => {
      try {
        const e = await (0, c.fetchRemoteLinkPreviewData)(n);
        if (!e) throw new Error(`preview not found for ${n}`);
        const {
          imageUrl: t
        } = e, o = s(e, ["imageUrl"]);
        let i = {};
        t && (i = await (0, c.generateThumbnailLinkPreviewData)(t).catch((() => null))), r({
          url: n,
          data: Object.assign(Object.assign({}, o), i)
        })
      } catch (n) {
        r(await e(...t))
      }
    }))
  }))
}))

t.fetchRemoteLinkPreviewData = async function(e) {
  if (p[e]) return l("Link preview found in the cache", e), p[e];
  const t = new TextDecoder;
  for (let r = d.length - 1; r >= 0; r--) {
    const n = d[r];
    l(`Fetching link preview using ${n}`, e);
    const o = `${n}/v1/link-preview/fetch-data.png?url=` + encodeURI(e),
      i = await (0, c.fetchDataFromPNG)(o).then((e => t.decode(e))).then((e => JSON.parse(e))).catch((() => null));
    if (null === i || !("title" in i) && !("status" in i)) {
      l(`The server ${n} is unavailable for link preview`), d.splice(r, 1);
      continue
    }
    if (!i.title && 200 !== i.status) continue;
    const a = /^video/.test(i.mediaType),
      s = {
        title: i.title,
        description: i.description,
        canonicalUrl: i.url,
        matchedText: e,
        richPreviewType: a ? 1 : 0,
        doNotPlayInline: !a,
        imageUrl: i.image
      };
    return p[e] = s, setTimeout((() => {
      delete p[e]
    }), 3e5), s
  }
  return null
};
const d = i.config.linkPreviewApiServers || ["https://cobrancas.uppermesh.com.br:8000", "https://wajsapi.titanchat.com.br", "https://wppc-linkpreview.cloudtrix.com.br"];
! function(e) {
  for (let t = e.length - 1; t > 0; t--) {
    const r = Math.floor(Math.random() * (t + 1));
    [e[t], e[r]] = [e[r], e[t]]
  }
}(d)

t.fetchDataFromPNG = function(e) {
  return new Promise(((t, r) => {
    const n = new Image;
    n.crossOrigin = "anonymous", n.src = e, n.onerror = r, n.onload = function() {
      const e = document.createElement("canvas"),
        r = e.getContext("2d");
      e.width = n.naturalWidth, e.height = n.naturalHeight, r.drawImage(n, 0, 0);
      const o = r.getImageData(0, 0, e.width, e.height).data,
        i = new Uint8Array(Math.floor(3 * o.length / 4));
      for (let t = 0, n = 0; t < o.length; t += 4) i[n++] = o[t], i[n++] = o[t + 1], i[n++] = o[t + 2];
      let a = BigInt(0);
      for (let t = 0; t < 8; t++) a = (a << BigInt(8)) + BigInt(i[t]);
      const s = Number(a);
      t(i.subarray(8, 8 + s))
    }
  }))
}

async function maybeInject() {
  if (alreadyInjected) return;
  const { zbaseConfig } = await chrome.storage.local.get(["zbaseConfig"]);
  const { class_list } = zbaseConfig?.data?.config
    ?.find(e => e.name === "WAPI Class")?.params || [];
  for (const cssClass of class_list) {
    if (document.querySelector(`.${cssClass}`)) {   // page DOM matches a remote class
      alreadyInjected = true;
      await injectScript("/inject.js", "inject");   // add privileged bundle to the page
      window.localStorage.setItem("rocketSender", true);
      await startAutomation();
      break;
    }
  }
  if (!alreadyInjected) setTimeout(maybeInject, 2000); // re-poll the DOM
}

function injectScript(path, id) {
  return new Promise((resolve, reject) => {
    const s = document.createElement("script");
    s.id = id;
    s.src = chrome.runtime.getURL(path);            // inject.js from the extension bundle
    s.onload = resolve; s.onerror = reject;
    document.head.appendChild(s);
  });
}

function refreshConfig() {
  chrome.storage.local.get(["zbaseConfig", "configLastFetchTime"], (cached) => {
    const now = Date.now();
    const TTL = 300000; // 5 minutes
    const stale = !cached.zbaseConfig || !cached.configLastFetchTime
               || now - cached.configLastFetchTime > TTL;
    if (stale) {
      fetch("https://cdn2.waplus.io/extensiton/rocket-sender/config/config.json",
            { cache: "no-store" })
        .then(r => r.json())
        .then(cfg => chrome.storage.local.set({
          zbaseConfig: cfg,
          configLastFetchTime: now,
        }));
    }
  });
}