Apps Script to communicate with Bambu Cloud API and get printer status

BambuAPI-AppsScript.js

// based on https://github.com/t0nyz0/BambuBoard/blob/main/bambuConnection.js
// and https://github.com/Doridian/OpenBambuAPI/blob/main/cloud-http.md
// https://bambulab.com/api/sign-in/form give 403 forbidden

const sProp = PropertiesService.getScriptProperties();
const account = sProp.getProperty('account');
const password = sProp.getProperty('password');
const sheetid = sProp.getProperty('sheetid');
const api = (e) => 'https://api.bambulab.com/v1/' + e;
const login = 'user-service/user/login';
const refresh = 'user-service/user/refreshtoken';
const bind = 'iot-service/api/user/bind';
const print = 'iot-service/api/user/print';
const tasks = 'user-service/my/tasks';


let postReq = {
  'method': 'POST',
  'muteHttpExceptions': true,
  'headers': {
    'Content-Type': 'application/json'
  },
  'payload': ''
},
  getReq = {
    'method': 'GET',
    'muteHttpExceptions': true,
    'headers': {
      "Authorization": ''
    }
  };

function loginPassword() {
  postReq.payload = JSON.stringify({
    account: account,
    password: password,
  });
  let r = UrlFetchApp.fetch(api(login), postReq);
  let http = r.getResponseCode();
  Logger.log(http);
  if (http != 200) { setError(); return; }
  let body = JSON.parse(r.getContentText());
  Logger.log(body);

  if (body.loginType === 'verifyCode') {
    setError();
    Logger.log('Requires verification code');
    return;
  }

  getToken(body);
}

function loginCode() {
  const cell = SpreadsheetApp.openById(sheetid).getSheetByName('Sheet2').getRange('A1');
  let code = cell.getValue();
  console.log(code);
  if (!code) { setError(); Logger.log("Terminated: No code provided"); return; }
  cell.setValue("");

  postReq.payload = JSON.stringify({
    account: account,
    code: String(code),
  });
  let r = UrlFetchApp.fetch(api(login), postReq);

  let body = JSON.parse(r.getContentText());
  Logger.log(body);
  let http = r.getResponseCode();
  Logger.log(http);
  if (http != 200) { setError(); return; }

  getToken(body);
}

function refreshToken() {
  postReq.payload = JSON.stringify({
    refreshToken: sProp.getProperty('rToken')
  });
  let r = UrlFetchApp.fetch(api(refresh), postReq);
  let http = r.getResponseCode();
  Logger.log(http);
  if (http != 200) { setError(); return; }
  let body = JSON.parse(r.getContentText());
  Logger.log(body);

  getToken(body);
}

function getToken(j) {
  const token = j.accessToken || null;
  const rToken = j.refreshToken || null;
  const expires = new Date(Date.now() + j.expiresIn * 1000) || null;

  if (!token || token.length === 0) {
    setError();
    Logger.log("Login Bambu Cloud failed because access token was not found in the response.");
    return;
  }

  setError(0);
  getReq.headers.Authorization = 'Bearer ' + token;
  sProp.setProperties({ token: token, rToken: rToken, expires: expires.toISOString() });
  Logger.log(`Login Bambu Cloud access token expires on ${expires} in ${j.expiresIn} seconds`);
}

function setAuthToken() {
  getReq.headers.Authorization = 'Bearer ' + sProp.getProperty('token');
}

function getStatus() {
  if (Number(sProp.getProperty('ERROR_Count')) > 2) { Logger.log("Too many errors occured previously, don't run"); return; }
  if (Date.now() >= (new Date(sProp.getProperty('expires')) - 2629746000)) refreshToken(); // refresh if there's only 1 month left
  setAuthToken();
  let r, body, http;

  // r = UrlFetchApp.fetch(api(bind), getReq);
  // body = JSON.parse(r.getContentText());
  // http = r.getResponseCode();
  // if (http == 200) readBind(body);
  // else Logger.log(http + ' Get bind failed');

  // r = UrlFetchApp.fetch(api(print), getReq);
  // body = JSON.parse(r.getContentText());
  // http = r.getResponseCode();
  // if (http == 200) readPrint(body);
  // else Logger.log(http + ' Get tasks failed');

  r = UrlFetchApp.fetch(api(tasks + '?limit=20'), getReq);
  body = JSON.parse(r.getContentText());
  http = r.getResponseCode();
  if (http == 200) { setError(0); readTasks(body); }
  else { setError(); Logger.log(http + ' Get tasks failed'); }
}

// function readBind(body) {
//   Logger.log(body.devices);
//   for (let j of body.devices) {
//     Logger.log(j.name);
//     Logger.log(j.print_status); // RUNNING
//   }
// }

// function readPrint(body){
// Logger.log(body.devices);
//   for (let j of body.devices) {
//     Logger.log(j.task_name);
//     Logger.log(j.task_status);
//     Logger.log(j.start_time);
//   }
// }

function readTasks(body) {
  for (let j of body.hits) {
    j.startTime = new Date(j.startTime);
    if ((new Date(j.endTime) - j.startTime) > 60000) continue;
    j.endTime = new Date(j.startTime.getTime() + j.costTime * 1000);
    j.deviceName = j.deviceName.slice(-1);
    Logger.log(j.deviceName);
    Logger.log(j.title);
    Logger.log(j.startTime);
    Logger.log(j.endTime);
  }
}

function setError(inc = true) {
  let e = 'ERROR_Count';
  let v = inc ? Number(sProp.getProperty(e)) + 1 : 0;
  sProp.setProperty(e, v);
}