security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
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Code Releases Activity

do not show notifications when canvas faking was aborted

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This commit is contained in:
kkapsner 2017-12-11 12:48:08 +01:00
parent 096db123d7
commit 871199cbc3
2 changed files with 17 additions and 7 deletions
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23
lib/modifiedAPI.js
View File

@ -206,8 +206,11 @@
fakeGenerator: function(prefs, notify, window, original){ fakeGenerator: function(prefs, notify, window, original){
return function toDataURL(){ return function toDataURL(){
if (canvasSizeShouldBeFaked(this, prefs)){ if (canvasSizeShouldBeFaked(this, prefs)){
notify.call(this, "fakedReadout"); var fakeCanvas = getFakeCanvas(window, this, prefs);
return original.apply(getFakeCanvas(window, this, prefs), window.Array.from(arguments)); if (fakeCanvas !== this){
notify.call(this, "fakedReadout");
}
return original.apply(fakeCanvas, window.Array.from(arguments));
} }
else { else {
return original.apply(this, window.Array.from(arguments)); return original.apply(this, window.Array.from(arguments));
@ -230,8 +233,11 @@
fakeGenerator: function(prefs, notify, window, original){ fakeGenerator: function(prefs, notify, window, original){
return function toBlob(callback){ return function toBlob(callback){
if (canvasSizeShouldBeFaked(this, prefs)){ if (canvasSizeShouldBeFaked(this, prefs)){
notify.call(this, "fakedReadout"); var fakeCanvas = getFakeCanvas(window, this, prefs);
return original.apply(getFakeCanvas(window, this, prefs), window.Array.from(arguments)); if (fakeCanvas !== this){
notify.call(this, "fakedReadout");
}
return original.apply(fakeCanvas, window.Array.from(arguments));
} }
else { else {
return original.apply(this, window.Array.from(arguments)); return original.apply(this, window.Array.from(arguments));
@ -255,8 +261,11 @@
fakeGenerator: function(prefs, notify, window, original){ fakeGenerator: function(prefs, notify, window, original){
return function mozGetAsFile(callback){ return function mozGetAsFile(callback){
if (canvasSizeShouldBeFaked(this, prefs)){ if (canvasSizeShouldBeFaked(this, prefs)){
notify.call(this, "fakedReadout"); var fakeCanvas = getFakeCanvas(window, this, prefs);
return original.apply(getFakeCanvas(window, this, prefs), window.Array.from(arguments)); if (fakeCanvas !== this){
notify.call(this, "fakedReadout");
}
return original.apply(fakeCanvas, window.Array.from(arguments));
} }
else { else {
return original.apply(this, window.Array.from(arguments)); return original.apply(this, window.Array.from(arguments));
@ -275,13 +284,13 @@
fakeGenerator: function(prefs, notify, window, original){ fakeGenerator: function(prefs, notify, window, original){
return function getImageData(sx, sy, sw, sh){ return function getImageData(sx, sy, sw, sh){
if (!this || canvasSizeShouldBeFaked(this.canvas, prefs)){ if (!this || canvasSizeShouldBeFaked(this.canvas, prefs)){
notify.call(this, "fakedReadout");
var fakeCanvas; var fakeCanvas;
var context = this; var context = this;
if (this && this.canvas) { if (this && this.canvas) {
fakeCanvas = getFakeCanvas(window, this.canvas, prefs); fakeCanvas = getFakeCanvas(window, this.canvas, prefs);
} }
if (fakeCanvas && fakeCanvas !== this.canvas){ if (fakeCanvas && fakeCanvas !== this.canvas){
notify.call(this, "fakedReadout");
context = window.HTMLCanvasElement.prototype.getContext.call( context = window.HTMLCanvasElement.prototype.getContext.call(
fakeCanvas, fakeCanvas,
"2d" "2d"

1
releaseNotes.txt
View File

@ -14,6 +14,7 @@ Version 0.4.3:
fixes: fixes:
- page action was not always showing - page action was not always showing
- waiting for settings created error messages in browser console - waiting for settings created error messages in browser console
- do not show notifications when canvas faking was aborted
Version 0.4.2 Version 0.4.2
new features: new features: