Download ebook from Tagus as images

drm_is_bad.js

IO.CS.readChunkSilent = function (a, b, c, d, e, f) {
      var g = {};
      Book.mode == Book.IMAGE &&
      (
        g = {
          readMode: 'IMAGE',
          imageSize: 'LARGE'
        },
        e = e ||
        {
        },
        e.timeout = IO.IGNORE
      ),
      IO.JSONP.get(
        IO.CS.prefix + 'rest/epub/readChunkSilent/' + a + '/' + b + '/' + c + '/',
        g,
        d,
        e,
        f
      )
    }

window.counter = 0
function saveImage(data, counter) {
  var a = document.createElement("a");
  a.href = data
  a.download = `Image${counter}.png`;
  a.click();
}
function saveAndNext() {
  saveImage($(".vcdl-page-text img")[0].attributes['src'].value, window.counter)
  Interface.Multilayer.hide(!1), Book.Pages.change(1)
  window.counter = window.counter + 1
}
function doIt() {
  setTimeout(saveAndNext, 500)
  setTimeout(saveAndNext, 1000)
  setTimeout(saveAndNext, 1500)
  setTimeout(saveAndNext, 2000)
  var id=setTimeout(doIt, 7000)
  console.log(`Timeout id: ${id}`)
}
// clearTimeout(id)