tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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file_blob_data_schemes.html (1434B)


      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4  <title>Bug 1086999 - Wildcard should not match blob:, data:</title>
      5 </head>
      6 <body>
      7 <script type="text/javascript">
      8 
      9 var base64data =
     10 "iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12" +
     11 "P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==";
     12 
     13 
     14 // construct an image element using *data:*
     15 var data_src = "data:image/png;base64," + base64data;
     16 var data_img = document.createElement('img');
     17 data_img.onload = function() {
     18  window.parent.postMessage({scheme: "data", result: "allowed"}, "*");
     19 }
     20 data_img.onerror = function() {
     21  window.parent.postMessage({scheme: "data", result: "blocked"}, "*");
     22 }
     23 data_img.src = data_src;
     24 document.body.appendChild(data_img);
     25 
     26 
     27 // construct an image element using *blob:*
     28 var byteCharacters = atob(base64data);
     29 var byteNumbers = new Array(byteCharacters.length);
     30 for (var i = 0; i < byteCharacters.length; i++) {
     31  byteNumbers[i] = byteCharacters.charCodeAt(i);
     32 }
     33 var byteArray = new Uint8Array(byteNumbers);
     34 var blob = new Blob([byteArray], {type: "image/png"});
     35 var imageUrl = URL.createObjectURL( blob );
     36 
     37 var blob_img = document.createElement('img');
     38 blob_img.onload = function() {
     39  window.parent.postMessage({scheme: "blob", result: "allowed"}, "*");
     40 }
     41 blob_img.onerror = function() {
     42  window.parent.postMessage({scheme: "blob", result: "blocked"}, "*");
     43 }
     44 blob_img.src = imageUrl;
     45 document.body.appendChild(blob_img);
     46 
     47 </script>
     48 </body>
     49 </html>