security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
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Removed bypass option with non content windos.

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This commit is contained in:
kkapsner 2015-08-26 18:12:12 +02:00
parent 01ea10fe79
commit f6e09a9b1a
4 changed files with 55 additions and 5 deletions
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8
data/inject.js
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@ -147,7 +147,7 @@
toDataURL: {
mode: blockMode.readAPI,
object: unsafeWindow.HTMLCanvasElement,
fake: function(){
fake: function toDataURL(){
var type = arguments[0] || "image/png";
return "data:" + type + ";base64," + btoa(randomImage);
}
@ -155,7 +155,7 @@
toBlob: {
mode: blockMode.readAPI,
object: unsafeWindow.HTMLCanvasElement,
fake: function(callback){
fake: function toBlob(callback){
var type = arguments[0] || "image/png";
var blob = new window.Blob(randomImage, {type: type});
callback(blob);
@ -169,7 +169,7 @@
getImageData: {
mode: blockMode.readAPI,
object: unsafeWindow.CanvasRenderingContext2D,
fake: function(sx, sy, sw, sh){
fake: function getImageData(sx, sy, sw, sh){
var l = sw * sh * 4;
var data = new Uint8ClampedArray(l);
for (var i = 0; i < l; i += 1){
@ -185,7 +185,7 @@
readPixels: {
mode: blockMode.readAPI,
object: unsafeWindow.WebGLRenderingContext,
fake: function(x, y, width, height, format, type, pixels){
fake: function readPixels(x, y, width, height, format, type, pixels){
// fake not working due to XRay copy restrictions...
// for (var i = 0; i < pixels.length; i += 1){
// pixels[i] = Math.floor(