security-and-privacy/CanvasBlocker
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CanvasBlocker
mirror of https://github.com/kkapsner/CanvasBlocker
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Code Releases Activity

Added new iframe tests

This commit is contained in:
kkapsner 2019-05-22 23:46:56 +02:00
parent ac9f1282fd
commit 67fa723a32
2 changed files with 84 additions and 11 deletions
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18
test/test.html
View File

@ -37,5 +37,23 @@
<iframe src="http://example.org" style="display:none"></iframe>
<button>refresh</button>
</div>
<div id="iframe4">
<h1>iFrame Test 4 - different access 1</h1>
<img class="display"><br>
Hash: <span class="hash"></span> (isPointInPath: <span class="isPointInPath"></span>)
<button>refresh</button>
</div>
<div id="iframe5">
<h1>iFrame Test 5 - different access 2</h1>
<img class="display"><br>
Hash: <span class="hash"></span> (isPointInPath: <span class="isPointInPath"></span>)
<button>refresh</button>
</div>
<div id="iframe6">
<h1>iFrame Test 6 - different access 3</h1>
<img class="display"><br>
Hash: <span class="hash"></span> (isPointInPath: <span class="isPointInPath"></span>)
<button>refresh</button>
</div>
<script src="test.js"></script>
</body></html>

77
test/test.js
View File

@ -37,6 +37,12 @@
catch (e){console.error(e);}
try {show(document.getElementById("iframe3"), iframeTest(document.querySelector("#iframe3 iframe")));}
catch (e){console.error(e);}
try {show(document.getElementById("iframe4"), dynamicIframeTest1());}
catch (e){console.error(e);}
try {show(document.getElementById("iframe5"), dynamicIframeTest2());}
catch (e){console.error(e);}
try {show(document.getElementById("iframe6"), dynamicIframeTest3());}
catch (e){console.error(e);}
}
document.querySelector("#top button").addEventListener("click", function(){
show(document.getElementById("top"), topTest());
@ -50,6 +56,15 @@
document.querySelector("#iframe3 button").addEventListener("click", function(){
show(document.getElementById("iframe3"), iframeTest(document.querySelector("#iframe3 iframe")));
});
document.querySelector("#iframe4 button").addEventListener("click", function(){
show(document.getElementById("iframe4"), dynamicIframeTest1());
});
document.querySelector("#iframe5 button").addEventListener("click", function(){
show(document.getElementById("iframe5"), dynamicIframeTest2());
});
document.querySelector("#iframe6 button").addEventListener("click", function(){
show(document.getElementById("iframe6"), dynamicIframeTest3());
});
}());
function draw(canvas){
@ -100,7 +115,7 @@ function topTest(){
};
}
function iframeTest(iframe){
function copyToDifferentDocumentTest(otherDocument){
"use strict";
// create window canvas
@ -109,18 +124,58 @@ function iframeTest(iframe){
// draw image in window canvas
draw(canvas);
// create iframe canvas and ctx
var iframe_canvas = iframe.contentDocument.createElement("canvas");
iframe_canvas.setAttribute("width", 220);
iframe_canvas.setAttribute("height", 30);
var iframe_ctx = iframe_canvas.getContext("2d");
// create other canvas and context
var otherCanvas = otherDocument.createElement("canvas");
otherCanvas.setAttribute("width", 220);
otherCanvas.setAttribute("height", 30);
var otherContext = otherCanvas.getContext("2d");
// copy image from window canvas to iframe ctx
iframe_ctx.drawImage(canvas, 0, 0);
// copy image from window canvas to iframe context
otherContext.drawImage(canvas, 0, 0);
return {
imageData: iframe_ctx.getImageData(0, 0, iframe_canvas.width, iframe_canvas.height),
url: iframe_canvas.toDataURL(),
isPointInPath: getIsPointInPath(iframe_ctx)
imageData: otherContext.getImageData(0, 0, otherCanvas.width, otherCanvas.height),
url: otherCanvas.toDataURL(),
isPointInPath: getIsPointInPath(otherContext)
};
}
function iframeTest(iframe){
"use strict";
return copyToDifferentDocumentTest(iframe.contentDocument);
}
function dynamicIframeTest1(){
"use strict";
var length = frames.length;
var iframe = document.createElement("iframe");
document.body.appendChild(iframe);
var iframeWindow = frames[length];
document.body.removeChild(iframe);
return copyToDifferentDocumentTest(iframeWindow.document);
}
function dynamicIframeTest2(){
"use strict";
var length = window.length;
var iframe = document.createElement("iframe");
document.body.appendChild(iframe);
var iframeWindow = window[length];
document.body.removeChild(iframe);
return copyToDifferentDocumentTest(iframeWindow.document);
}
function dynamicIframeTest3(){
"use strict";
var length = window.length;
var div = document.createElement("div");
document.body.appendChild(div);
div.innerHTML = "<iframe></iframe>";
var iframeWindow = window[length];
document.body.removeChild(div);
return copyToDifferentDocumentTest(iframeWindow.document);
}