file_blob_data_schemes.html

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<!DOCTYPE HTML>

<html>

<head>

  <title>Bug 1086999 - Wildcard should not match blob:, data:</title>

</head>

<body>

<script type="text/javascript">

var base64data =

"iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12" +

"P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==";

// construct an image element using *data:*

var data_src = "data:image/png;base64," + base64data;

var data_img = document.createElement('img');

data_img.onload = function() {

  window.parent.postMessage({scheme: "data", result: "allowed"}, "*");

data_img.onerror = function() {

  window.parent.postMessage({scheme: "data", result: "blocked"}, "*");

data_img.src = data_src;

document.body.appendChild(data_img);

// construct an image element using *blob:*

var byteCharacters = atob(base64data);

var byteNumbers = new Array(byteCharacters.length);

for (var i = 0; i < byteCharacters.length; i++) {

  byteNumbers[i] = byteCharacters.charCodeAt(i);

var byteArray = new Uint8Array(byteNumbers);

var blob = new Blob([byteArray], {type: "image/png"});

var imageUrl = URL.createObjectURL( blob );

var blob_img = document.createElement('img');

blob_img.onload = function() {

  window.parent.postMessage({scheme: "blob", result: "allowed"}, "*");

blob_img.onerror = function() {

  window.parent.postMessage({scheme: "blob", result: "blocked"}, "*");

blob_img.src = imageUrl;

document.body.appendChild(blob_img);

</script>

</body>

</html>