tadpoles.js

/*
Bookmarklet to download image / movie from tadpoles
Sources:
    https://gist.github.com/sfrdmn/8834747 by sfrdmn, unlicenced but I hope you won't sue me :3
	  https://stackoverflow.com/a/49500465/2550406 by Leeroy, CC-BY-SA
*/
;(function() {
  
  // Probably should do some validation, but whatever
  var images = [window.location.href + "?d=t"]
  try {
    images.forEach(function(img) {
	  downloadResource(img);
    })
  } catch (e) {
      alert("Download failed.");
      console.log('Download failed.', e);
  }
  
  function forceDownload(blob, filename) {
    var a = document.createElement('a');
    a.download = filename;
    a.href = blob;
    a.click();
  }

  // Current blob size limit is around 500MB for browsers
  function downloadResource(url, filename) {
    if (!filename) filename = url.split('\\').pop().split('/').pop();
    fetch(url, {
        headers: new Headers({
    'Origin': location.origin
        }),
        mode: 'cors'
      })
      .then(function(response) { return response.blob(); })
      .then(function(blob) {
        var blobUrl = window.URL.createObjectURL(blob);
        forceDownload(blobUrl, filename);
      })
      .catch(function(e) { console.error(e) });
  }
}).call(window);

javascript:void%20function(){(function(){function%20o(o,n){var%20c=document.createElement(%22a%22);c.download=n,c.href=o,c.click()}function%20n(n,c){c||(c=n.split(%22\%22).pop().split(%22/%22).pop()),fetch(n,{headers:new%20Headers({Origin:location.origin}),mode:%22cors%22}).then(function(o){return%20o.blob()}).then(function(n){var%20e=window.URL.createObjectURL(n);o(e,c)})%22catch%22}var%20c=[window.location.href+%22%3Fd=t%22];try{c.forEach(function(o){n(o)})}catch(e){alert(%22Download%20failed.%22),console.log(%22Download%20failed.%22,e)}}).call(window)}();