Is TG Sender - TG bulk message send and invite safe?

function sendLog(eventType, extraFields) {  const client = new AliyunLogger({    host: "us-west-1.log.aliyuncs.com",    project: "extension-us",    time: 0.05,    count: 1,    logstore: "scrm-tg-sender"  });  chrome.storage.local.get(null, (storage) => {    const browserInfo = storage.browserInfo !== undefined ? storage.browserInfo : "";    const payload = {      event_source: 1,      event_type: eventType,      event_time: Math.round(Date.now() / 1000),      install_time: storage.installTime !== undefined ? storage.installTime : "",      platform: browserInfo ? browserInfo.platform : "",      user_agent: browserInfo ? browserInfo.userAgent : "",      browser_type: browserInfo ? browserInfo.browser : "",      uuid: storage.uuid !== undefined ? storage.uuid : "",      version: chrome.runtime.getManifest().version,      language: browserInfo ? browserInfo.language : "",      plan_code: storage.plan_code !== undefined ? storage.plan_code : ""    };    if (extraFields) {      for (const key in extraFields) {        payload[key] = extraFields[key];      }    }    client.send(payload);  });}

async function startBulkMessage() {  running = true;  const recipients = settings["message-usernames"] !== undefined    ? settings["message-usernames"].trim().split("\n").filter((value) => value.trim().length > 1)    : [];  const usernameRecipients = [];  const phoneRecipients = [];  for (let index = 0; index < recipients.length; index++) {    if (recipients[index] !== "") {      if (recipients[index].match(/[a-zA-Z@]+/g) !== null) {        usernameRecipients.push(recipients[index]);      } else {        const normalized = recipients[index].replace(/ /g, "").replace(/-/g, "");        recipients[index] = normalized;      }    }  }  if (usernameRecipients.length > phoneRecipients.length) {    sendLog(110003, {      message: settings["message"],      usernames: recipients.join(","),      message_type: "username"    });    chrome.tabs.sendMessage(activeTabId, { type: "message_by_username", data: recipients });  } else {    sendLog(110003, {      message: settings["message"],      usernames: recipients.join(","),      message_type: "phone"    });    chrome.tabs.sendMessage(activeTabId, { type: "add_contact", data: recipients, index: 0 });  }}

function startApiInvite(skipTip) {  if (this.version_low) {    sendLog(110112, { error: "version too low" });    return;  }  if (this.limit["invite"] <= 0) {    this.upgrade_content = this.plan_code === "free" ? this.invite_tip_1 : this.invite_tip_3;    this.upgradeDialogVisible = true;    sendLog(110112, { error: "limited" });    return;  }  if (this.login_status !== 1) {    this.tip_content = this.api_scrape_tip_2;    this.tipDialogVisible = true;    sendLog(110112, { error: "unlogin" });    return;  }  if (!this.api_invite_group_link) {    this.tip_content = this.invite_tip_6;    this.tipDialogVisible = true;    sendLog(110112, { error: "no group" });    return;  }  if (/\/t.me\//.test(this.api_invite_group_link) === false) {    this.tip_content = this.invite_tip_8;    this.tipDialogVisible = true;    return;  }  const usernameText = this.invite_usernames.replace(/\n/g, ",");  if (usernameText === "") {    this.tip_content = this.invite_tip_2;    this.tipDialogVisible = true;    sendLog(110112, { error: "no usernames" });    return;  }  if (usernameText.split(",").length > this.limit["invite"]) {    this.tip_content = this.invite_tip_4.replace("%", this.limit["invite"]);    this.tipDialogVisible = true;    return;  }  if (this.notShowInviteTip || skipTip) {    const usernames = usernameText.split(",");    this.api_invite_progress = true;    this.before_tab = this.current_tab;    this.current_tab = "progress-tab";    this.apiInvite(usernames, this.api_invite_group_link, 0);  } else {    this.inviteDialogVisible = true;  }}

async function apiInvite(usernames, groupLink, startIndex) {  sendLog(110112, {    group_link: groupLink,    username_list: usernames.join(",")  });  await this.a({ progress: { current: startIndex, total: usernames.length } });  this.progress_interval = setInterval(this.n, 500);  try {    await this.client.connect();  } catch (error) {    console.log(error);    this.tip_content = this.connect_tip;    this.tipDialogVisible = true;    this.api_invite_progress = false;    sendLog(110113, { group_link: groupLink, error: this.tip_content + error.message });    return;  }  let channel = groupLink;  if (/t.me\/\+([\w-]{16})/.test(groupLink)) {    const channelInput = await this.getChannelInput(groupLink.match(/t.me\/\+([\w-]{16})/)[1]);    if (channelInput.error !== undefined) {      this.current_tab = this.before_tab;      sendLog(110113, { group_link: groupLink, error: channelInput.error });      return;    }    channel = channelInput.channelInput;  }  const result = { success: 0, total: usernames.length, await: usernames.length };  for (let index = startIndex; index < usernames.length && this.api_invite_progress; index++) {    const delaySeconds = Math.max(Math.floor(Math.random() * (this.invites_wait_max - this.invites_wait_min) + this.invites_wait_min), 10);    const username = usernames[index];    try {      await this.client.connect();      if (channel.accessHash === undefined && channel.channelId !== undefined) {        await this.client.invoke(new Api.messages.AddChatUser({ chatId: channel.channelId, userId: username }));      } else {        await this.client.invoke(new Api.channels.InviteToChannel({ channel, users: [username] }));      }      await this.client.disconnect();      await this.a({ progress: { current: index + 1, total: usernames.length } });    } catch (error) {      console.log(error);      await this.a({ progress: { current: index + 1, total: usernames.length } });      this.tip_content = error.message;      sendLog(110113, { group_link: groupLink, error: this.tip_content + error.message });      await this.client.disconnect();      break;    }    result.success += 1;    result.await -= 1;    await this.a({ api_invite_result: result });    await this.wait(delaySeconds);  }  await this.a({ progress: { current: usernames.length, total: usernames.length } });  this.api_invite_progress = false;  await this.a({ api_invite_result: null });  sendLog(110113, { group_link: groupLink, result });  this.setLimit("invite", result.success);}

async function scrapeGroup(groupLink, filter) {  const eventType = 110007;  if (groupLink && window.location.href !== groupLink) {    groupLink += "?tgsendertype=1";    for (const key in filter) {      groupLink += "&" + key + "=" + filter[key];    }    window.open(groupLink, "_blank");    return;  }  const settings = await readStorage("settings");  const planCode = await readStorage("plan_code");  let limit = Number.isNaN(parseInt(settings["limit-group-scraper"])) ? 50 : parseInt(settings["limit-group-scraper"]);  const lastSeen = filter["last_seen"];  const removeAdmin = filter["remove_admin"];  limit = planCode === "basic" || planCode === "pro" ? limit : Math.min(limit, maxFreeScrapeCount);  await writeStorage({ progress: { current: 0, total: limit } });  const selectors = await getSelectors("scrape");  let groupId = "";  let groupMembers = "";  groupLink = window.location.href;  let title = null;  let titleAttempts = 0;  while (titleAttempts < 15 && title == null) {    await wait(1);    title = document.querySelector(selectors["group_title"]);    const broadcastButton = document.querySelector(selectors["channel_broadcast_button"]);    if ((title && !title.getAttribute("data-peer-id").startsWith("-")) || broadcastButton != null) {      title = null;      break;    }    titleAttempts++;  }  if (title == null) {    chrome.runtime.sendMessage({ message: "log", eventType, otherParams: { error: "group info not found", group_link: groupLink } });    chrome.runtime.sendMessage({ message: "complete", data: "scrape" });    running = false;    return;  }  groupId = title.textContent;  title.click();  await wait(1);  const memberRows = [...document.querySelectorAll(selectors["group_list"])];  if (memberRows.length === 0) {    chrome.runtime.sendMessage({ message: "showtip", data: "Group members not loaded, Please reload webpage." });    chrome.runtime.sendMessage({ message: "complete", data: "scrape" });    chrome.runtime.sendMessage({ message: "log", eventType, otherParams: { error: "group members not found", group_link: groupLink } });    running = false;    return;  }  let peerIds = memberRows.map((row) => row.getAttribute("data-peer-id"));  const groupLinks = [...document.querySelectorAll(selectors["group_link"])].filter((node) => /^http.*?$/.test(node.textContent));  if (groupLinks.length > 0) {    groupId = groupLinks[groupLinks.length - 1].textContent;  }  const collectedUsernames = [];  let scrapedCount = 0;  for (let index = 0; running && index < peerIds.length && scrapedCount < limit; index++) {    const userRecord = [];    document.querySelector(selectors["group_title"]).click();    const row = document.querySelector(selectors["user_div"].replace("%user_id%", peerIds[index]));    if (row == null) {      window.location.href = groupLink;      continue;    }    row.click();    await wait(1.5);    const selfLink = document.querySelector(selectors["user_self"]);    if (selfLink != null) {      userRecord[0] = window.location.href;    }    const usernames = [...document.querySelectorAll(selectors["username"])].filter((node) => /^[a-zA-Z0-9_]{1,}$/.test(node.textContent));    userRecord[1] = usernames.length === 0 ? "" : "@" + usernames[0].textContent;    const returnButton = document.querySelector(selectors["group_return"]);    if (returnButton == null) {      window.location.href = groupLink;      continue;    }    returnButton.click();    const username = userRecord[1];    if (username !== undefined && username !== "bot" && username.length > 0 && username !== "Deleted Account" && !collectedUsernames.includes(username) && running) {      scrapedCount++;      collectedUsernames.push(username);      settings["scraped-usernames"] = collectedUsernames.join("\n");      await writeStorage({ settings, progress: { current: scrapedCount, total: limit }, useLog: await shouldUseLog() });    }    if (userRecord[0]) {      chrome.runtime.sendMessage({ message: "log", eventType: 110005, otherParams: { user: userRecord[0] } });    }  }}