security-and-privacy/CanvasBlocker
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respect RFP setting in isPointInPath and isPointInStroke

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Fixes #189
This commit is contained in:
kkapsner 2018-05-26 15:36:55 +02:00
parent f02246128e
commit 52e44e0eb2
4 changed files with 44 additions and 15 deletions
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27
test/test.js
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@ -2,7 +2,7 @@
(function(){
"use strict";
function show(container, url){
function show(container, {url, isPointInPath}){
var display = container.querySelector(".display");
display.src = url;
display.title = url;
@ -16,6 +16,7 @@
return "0".repeat(8 - chunk.length) + chunk;
}).join("");
});
container.querySelector(".isPointInPath").textContent = isPointInPath;
}
if (location.search !== "?notInitial"){
@ -64,14 +65,29 @@ function draw(canvas){
return ctx;
}
function getIsPointInPath(ctx){
"use strict";
ctx.beginPath();
ctx.moveTo(20, 19);
ctx.lineTo(40, 19);
ctx.lineTo(30, 30);
ctx.closePath();
ctx.stroke();
return ctx.isPointInPath(30, 19);
}
function topTest(){
"use strict";
// create window canvas
var canvas = document.createElement("canvas");
// draw image in window canvas
draw(canvas);
return canvas.toDataURL();
var ctx = draw(canvas);
return {
url: canvas.toDataURL(),
isPointInPath: getIsPointInPath(ctx)
};
}
function iframeTest(iframe){
@ -92,5 +108,8 @@ function iframeTest(iframe){
// copy image from window canvas to iframe ctx
iframe_ctx.drawImage(canvas, 0, 0);
return iframe_canvas.toDataURL();
return {
url: iframe_canvas.toDataURL(),
isPointInPath: getIsPointInPath(iframe_ctx)
};
}