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https://github.com/kkapsner/CanvasBlocker
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Added test for DOMRect
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kkapsner
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42
test/domRectIFrame.html
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42
test/domRectIFrame.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<style>
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#inside{
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white-space: nowrap;
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color:#5B5B5B;
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position: absolute;
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padding: 1.3333px;
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left: 10.5555px;
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top: 28.4444px;
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font-size: 24.5555px;
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-ms-transform: scale(1.31123) matrix3d(0.373513, -0.0440105, 0, -0.000202461, -0.0851682, 0.616234, 0, -0.00123197, 2.17, 0.21, 1, 0.02, 13.81, 2.11, 0, 0.98);
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-moz-transform: scale(1.31123) matrix3d(0.373513, -0.0440105, 0, -0.000202461, -0.0851682, 0.616234, 0, -0.00123197, 2.17, 0.21, 1, 0.02, 13.81, 2.11, 0, 0.98);
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-webkit-transform: scale(1.31123) matrix3d(0.373513, -0.0440105, 0, -0.000202461, -0.0851682, 0.616234, 0, -0.00123197, 2.17, 0.21, 1, 0.02, 13.81, 2.11, 0, 0.98);
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transform: scale(1.31123) matrix3d(0.373513, -0.0440105, 0, -0.000202461, -0.0851682, 0.616234, 0, -0.00123197, 2.17, 0.21, 1, 0.02, 13.81, 2.11, 0, 0.98);
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-ms-transform-origin: 0.1111px 0.2222px 0.3333px;
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-moz-transform-origin: 0.1111px 0.2222px 0.3333px;
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-webkit-transform-origin: 0.1111px 0.2222px 0.3333px;
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transform-origin: 0.1111px 0.2222px 0.3333px;
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}
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</style>
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</head>
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<body>
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<div id="inside">
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<h1 id="rect0">https://browserleaks.com<i>/rects</i></h4>
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<span id="rect1"><strong>Element.getClientRects (̿▀̿ ̿Ĺ̯̿̿▀̿ ̿)̄ </strong></span><br />
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<span id="rect2">F i n g e r p r i n t i n g ?</span>
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</div>
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</body>
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</html>
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42
test/domRectTest.html
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test/domRectTest.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>DOMRect test</title>
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<style>
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#iframe {
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position: absolute;
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top: -2000%;
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}
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.template {
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display: none;
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}
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.test {
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display: inline-block;
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margin: 1em;
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}
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.test .data table {
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border-collapse: collapse;
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}
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.test .data th {
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padding: 0.4em;
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}
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.test .data td{
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border: 1px solid #c7c7c7;
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padding: 0.4em;
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}
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</style>
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</head>
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<body>
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<h1>DOMRect test</h1>
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<iframe id="iframe" src="domRectIFrame.html"></iframe>
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<div id="tests">
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<div class="test">
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<h2 class="title"></h2>
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Hash: <span class="hash"></span><br>
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Data: <span class="data"></span><br>
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<button>refresh</button>
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</div>
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</div>
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<script src="domRectTest.js"></script>
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</body>
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</html>
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68
test/domRectTest.js
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68
test/domRectTest.js
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(function(){
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"use strict";
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function byteArrayToHex(arrayBuffer){
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var chunks = [];
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(new Uint32Array(arrayBuffer)).forEach(function(num){
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chunks.push(num.toString(16));
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});
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return chunks.map(function(chunk){
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return "0".repeat(8 - chunk.length) + chunk;
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}).join("");
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}
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const container = document.getElementById("tests");
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const iframe = document.getElementById("iframe");
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const template = document.querySelector(".test");
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template.parentElement.removeChild(template);
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function getElements(){
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const doc = iframe.contentDocument;
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return Array.from(doc.querySelectorAll("*[id^=rect]"));
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}
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function createTest(title, callback){
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const properties = ["x", "y", "width", "height", "top", "left", "right", "bottom"];
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function performTest(){
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const rects = getElements().map(callback);
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const data = new Float64Array(rects.length * properties.length);
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rects.forEach(function(rect, i){
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properties.forEach(function(property, j){
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data[i * properties.length + j] = rect[property];
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});
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});
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crypto.subtle.digest("SHA-256", data)
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.then(function(hash){
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output.querySelector(".hash").textContent = byteArrayToHex(hash);
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});
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output.querySelector(".data").innerHTML = "<table><tr><th></th>" +
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rects.map(function(rect, i){
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return "<th>rect " + (i + 1) + "</th>";
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}).join("") +
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"</tr>" +
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properties.map(function(property){
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return "<tr><th>" + property + "</th>" + rects.map(function(rect, i){
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return "<td>" + rect[property] + "</td>";
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}).join("") + "</tr>";
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}).join("") +
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"</table>";
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}
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const output = template.cloneNode(true);
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output.querySelector(".title").textContent = title;
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output.querySelector("button").addEventListener("click", performTest);
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container.appendChild(output);
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performTest();
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}
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iframe.addEventListener("load", function(){
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createTest("getClientRects", function(element){
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return element.getClientRects()[0];
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});
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createTest("getBoundingClientRect", function(element){
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return element.getBoundingClientRect();
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});
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});
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}());
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