🛟 Kho dữ liệu an toàn

function doPost(e) {
  var body = JSON.parse(e.postData.contents);
  if (body.secret !== 'MY_SECRET') {
    return ContentService.createTextOutput('denied');
  }
  var folders = DriveApp.getFoldersByName('GOC-CUA-TU-ANH');
  var root = folders.hasNext() ? folders.next()
           : DriveApp.createFolder('GOC-CUA-TU-ANH');
  var names = body.folder ? String(body.folder) : 'khac';
  var it = root.getFoldersByName(names);
  var dir = it.hasNext() ? it.next() : root.createFolder(names);
  dir.createFile(Utilities.newBlob(Utilities.base64Decode(body.base64),
                 body.mime, body.name));
  return ContentService.createTextOutput('ok');
}