YO back against Ingress portal attack in google app script

yo_back_attack.js

// Google App Scriptの実行トリガーを時間主導型の1分ごとに設定する
function myFunction(){

  //AgentIDとYoNameの対応リストを自力で作成
  var AgentList = {
    "Agent1" : "yoname1",
    "Agent2" : "yoname2"
  };

  //履歴保存用スプレッドシート指定
  var sheetObj = SpreadsheetApp.openById('***YOUR SHEET ID***');
  var sheet = sheetObj.getSheetByName('history');
  
  //未読メールを検索
  var q = 'label:inbox is:unread from:"ingress-support@google.com" subject:"Ingress Damage Report: Entities attacked by "';
  var thds = GmailApp.search(q);
  //一度に処理できるメール数を設定
  var row_limit = 5;
  //受信履歴をスプレッドシートに格納
  var row = sheet.getLastRow() + 1;
  var row_first = row;
  var oldIds = new Array();
  for(var i = 1; i <= row; i++) {
    oldIds.push(sheet.getRange(i,1).getValue());
  };
  
  for(var n in thds){        
    var thd = thds[n];        
    var msgs = thd.getMessages();
    for(m in msgs){
      var msg = msgs[m];
      var date = msg.getDate();
      var id = msg.getId();
      //受信済みメールをスキップ
      if (oldIds.indexOf(id) > -1) {
        Logger.log(id + ' skipped.');
        continue;
      };
      //攻撃してきたAgentのYo名を知ってたらYo!
      var attackingAgent = msg.getSubject().split(" ").pop();
      if(attackingAgent in AgentList){
        sendYoTo(attackingAgent);
      };       
      msg.markRead();
      //受信ログを保存
      sheet.getRange(row,1).setValue(id);
      sheet.getRange(row,2).setValue("" + date);
      row++;
      //一度に処理できるメール数を超えたら処理終了
      if(row - row_first > row_limit) {
        break;
      };
    };
  };
}


var sendYoTo = function(yoname) {
  var payload = {
    "api_token" : "***YOUR API TOKEN***",
    "username" : yoname,
    "link" : "http://example.com/this/key/value/pair/can/be/ignored"
  };
  
  var options = {
    "method" : "post",
    "payload" : payload
  };

  UrlFetchApp.fetch("http://api.justyo.co/yo/", options);
};