Wayback machine - Automatic save with Google Scripts

wayback_save_api.gs

function wayback() {
  var url = 'https://www.google.com/';

  // Does it already exist?
  var archive = JSON.parse(getContent_('https://archive.org/wayback/available?url=' + url, {}));
  if (archive) {
    var closest = archive.archived_snapshots.closest;
    if (closest && closest.available) {
      console.log(closest.url);  // Yes? Here is the saved page URL.
    } else {
      var archiveLink = "https://web.archive.org/save/" + url + '/?capture_all=on'; // No? Capture the page.
      var formData = {
        'url': url  //  The component "+ url + '/?capture_all=on" in archiveLink is not necessary.
      };
      var options = { // Do not specify the Content-Type.
        method: 'POST',
        payload: formData
      }

      var save = UrlFetchApp.fetch(archiveLink, options);
      Utilities.sleep(8000);  // Not the best. Wait 8sec for Wayback to save the page.
 
      var save_arch = JSON.parse(getContent_('https://archive.org/wayback/available?url=' + url, {}));
      if (save_arch) {
        var closest = save_arch.archived_snapshots.closest;
        if (closest && closest.available) {
          console.log(closest.url); // Here is the saved page URL.
        } else {
          console.log("No archive link found.");
        }
      } else {
        console.log("Failed while checking saved wayback.");
      }
    }
  } else {
    console.log("Failed while checking wayback.");
  }
}

function getContent_(url, options) {  // For fun.
  var result = UrlFetchApp.fetch(url, options);
  if (result.getResponseCode() == 200) {
    result = result.getContentText();
    return result;
  }
}