Classroomの資料一括ダウンロードするやつ (Google Classroom Drive Files Downloader)

cdfd.js

document.querySelectorAll('a[aria-label][data-focus-id][target=_blank]').forEach(anc => {
  if(anc.getAttribute('href').search(/https?:\/\/drive\.google\.com\/open\?/) === 0)
  	window.open(anc.getAttribute('href').replace(/https?:\/\/drive\.google\.com\/open\?/, 'https://drive.google.com/uc?export=download&'), anc.getAttribute('href'))
})

cdfd.min.js

document.querySelectorAll("a[aria-label][data-focus-id][target=_blank]").forEach(e=>{0===e.getAttribute("href").search(/https?:\/\/drive\.google\.com\/open\?/)&&window.open(e.getAttribute("href").replace(/https?:\/\/drive\.google\.com\/open\?/,"https://drive.google.com/uc?export=download&"),e.getAttribute("href"))});