元智大學宿舍網路流量提醒。(當你的流量超過limitedDataflow時,會發出LINE通知)

YzudormDataflowMonitor.gs

// reference:https://stackoverflow.com/questions/21621019/google-apps-script-login-to-website-with-http-request, https://gist.github.com/erajanraja24/02279e405e28311f220f557156363d7b
// Need to insert a library(Resources -> Library):M1lugvAXKKtUxn_vdAG9JZleS6DrsjUUV
var student_id = '帳號';
var password = '密碼';
var limitedDataflow = 0; // 當達到多少流量時,發出LINE的通知
var LineNotifyToken = "你的LINE Notify Token"

function lineNotify(token, msg){
  url = "https://notify-api.line.me/api/notify"
  headers = {
    "Authorization": "Bearer " + token, 
    "Content-Type" : "application/x-www-form-urlencoded"
  }
  payload = {'message': msg}
  var options = {
    method:"post",
    payload:payload,
    headers:headers,
    //muteHttpExceptions:true
  }
  r = UrlFetchApp.fetch(url,options)
  return r.status_code
}
function DataflowReminder() {
  var content = UrlFetchApp.fetch("https://flowweb.yzu.edu.tw/register/activate.php").getContentText();
  var scraped = Parser
                    .data(content)
                    .from('<form')
                    .to('</form>')
                    .build()
  var value = Parser
                    .data(scraped)
                    .from('name="as_fid"')
                    .to('/>')
                    .build();
  var as_fid = Parser
                    .data(value)
                    .from('value="')
                    .to('"')
                    .build();
  var payload = 
  {
    'action':'register',
    'as_fid':as_fid,
    'mpwd':password, 
    'student_id':student_id, 
    'zh_tw':'1'
  }
  var options =
  {
     "method" : "post",
     "payload" : payload,
     "followRedirects" : false
  };
  var login = UrlFetchApp.fetch("https://flowweb.yzu.edu.tw/register/activate.php" , options);
  var sessionDetails = login.getAllHeaders()['Set-Cookie'];
  var html = UrlFetchApp.fetch("https://flowweb.yzu.edu.tw/register/activate.php", 
                                  {"headers" : {"Cookie" : sessionDetails},
                                   "method" : "post",
                                   "payload" : payload,
                                  });
  var regExp = /<font size=\"1\" color=\"red\"([\s\S]*?)<\/font>/gi;
  var DataflowHTML = html.getContentText().match(regExp);
  var regExp = /\d+M/;
  var Dataflow_M = DataflowHTML[1].match(regExp);
  var msg = "宿網流量達到" + Dataflow_M;
  if( parseInt(Dataflow_M) > limitedDataflow )
  {
    lineNotify(LineNotifyToken, msg)
  }
}