mirror of
https://github.com/kkapsner/CanvasBlocker
synced 2024-12-24 13:50:50 +01:00
93 lines
2.9 KiB
PHP
93 lines
2.9 KiB
PHP
<!DOCTYPE html>
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<html>
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<head>
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<title>Settings loading test</title>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link href="testIcon.svg" type="image/png" rel="icon">
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<link href="testIcon.svg" type="image/png" rel="shortcut icon">
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<link rel="stylesheet" href="../default.css" type="text/css">
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<?php
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echo "<script>" . file_get_contents("testAPI.js");
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echo file_get_contents("canvasAPI.js") . "</script>";
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?>
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<script>
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const firstDescriptor = Object.getOwnPropertyDescriptor(HTMLCanvasElement.prototype, "getContext");
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console.log(new Date(), "starting first fingerprint", window.name);
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let firstFingerprint = false;
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try {
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firstFingerprint = canvasAPI.fingerprint().url;
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}
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catch (error){
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console.log(new Date(), error);
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}
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</script>
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<style>
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#output {
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padding: 1em;
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}
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.ok {
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background-color: lightgreen;
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}
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.kok {
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background-color: orange;
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}
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.nok {
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background-color: lightcoral;
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}
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</style>
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</head>
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<body>
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<h1>Settings loading test</h1>
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<h2>Expected result</h2>
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<ul>
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<li>the background of the test result is green and states "good"</li>
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<li>the displayed hash changes upon reload (depending on CanvasBlocker settings - e.g. not in the stealth preset)</li>
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</ul>
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<h2>Test</h2>
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<div id="output"></div>
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<script>
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if (firstFingerprint){
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const output = document.getElementById("output");
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output.textContent = "context API not blocked";
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output.appendChild(document.createElement("br"));
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window.setTimeout(async function(){
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"use strict";
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console.log(new Date(), "starting second fingerprint", window.name);
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const secondDescriptor = Object.getOwnPropertyDescriptor(HTMLCanvasElement.prototype, "getContext");
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if (firstDescriptor.value === secondDescriptor.value){
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output.appendChild(document.createTextNode("descriptor did not change -> good!"));
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output.classList.add("ok");
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}
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else {
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output.appendChild(document.createTextNode("descriptor changed -> bad!"));
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console.log(firstDescriptor, secondDescriptor);
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output.classList.add("nok");
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}
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output.appendChild(document.createElement("br"));
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const secondFingerprint = canvasAPI.fingerprint().url;
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if (firstFingerprint === secondFingerprint){
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const firstHash = await testAPI.hash(firstFingerprint);
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output.appendChild(document.createTextNode("fingerprint consistent (" + firstHash + ") -> good!"));
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output.classList.add("ok");
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}
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else {
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const hashes = await Promise.all([testAPI.hash(firstFingerprint), testAPI.hash(secondFingerprint)]);
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output.appendChild(
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document.createTextNode(
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"fingerprint not consistent (" +
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hashes[0] + " != " + hashes[1] +
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") -> very bad! (potential fingerprint leak)"
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)
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);
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output.classList.add("nok");
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}
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}, 500);
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}
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else {
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output.textContent = "context API blocked";
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output.classList.add("kok");
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}
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</script>
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</body></html>
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