security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
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test updates

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This commit is contained in:
kkapsner 2019-12-16 19:27:28 +01:00
parent 717e1d3e3a
commit 0d0e3e30ec
16 changed files with 455 additions and 497 deletions
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57
test/iframeTest.js
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@ -1,3 +1,4 @@
// eslint-disable-next-line no-var
var log = function(){
"use strict";
return function log(...str){
@ -18,9 +19,9 @@ function draw(canvas){
canvas.setAttribute("width", 220);
canvas.setAttribute("height", 30);
var fp_text = "BrowserLeaks,com <canvas> 10";
const fp_text = "BrowserLeaks,com <canvas> 10";
var ctx = canvas.getContext("2d");
const ctx = canvas.getContext("2d");
ctx.textBaseline = "top";
ctx.font = "14px 'Arial'";
ctx.textBaseline = "alphabetic";
@ -37,39 +38,34 @@ function test(window){
"use strict";
// create window canvas
var canvas = document.createElement("canvas");
const canvas = document.createElement("canvas");
// draw image in window canvas
draw(canvas);
return window.HTMLCanvasElement.prototype.toDataURL.call(canvas);
}
function hash(string){
async function hash(string){
"use strict";
var buffer = new TextEncoder("utf-8").encode(string);
return crypto.subtle.digest("SHA-256", buffer).then(function(hash){
var chunks = [];
(new Uint32Array(hash)).forEach(function(num){
chunks.push(num.toString(16));
});
return chunks.map(function(chunk){
return "0".repeat(8 - chunk.length) + chunk;
}).join("");
const buffer = new TextEncoder("utf-8").encode(string);
const hash = await crypto.subtle.digest("SHA-256", buffer);
const chunks = [];
(new Uint32Array(hash)).forEach(function(num){
chunks.push(num.toString(16));
});
return chunks.map(function(chunk){
return "0".repeat(8 - chunk.length) + chunk;
}).join("");
}
function compare(string1, string2, alwaysOutputHashes){
"use strict";
function outputHashes(message){
return Promise.all([
async function outputHashes(message){
const hashes = await Promise.all([
hash(string1),
hash(string2)
]).then(function(hashes){
console.log(message, ...hashes);
return;
});
]);
console.log(message, ...hashes);
}
if (string1 === string2){
@ -100,14 +96,15 @@ function compare(string1, string2, alwaysOutputHashes){
}
}
}
// eslint-disable-next-line no-var
var reference = test(window);
hash(reference).then(function(hash){
(async function(){
"use strict";
log("reference hash:", hash);
return;
}).catch(function(error){
"use strict";
log("%cX", "color: red", "Unable to compute reference hash:", error);
});
try {
const hashValue = await hash(reference);
log("reference hash:", hashValue);
}
catch (error){
log("%cX", "color: red", "Unable to compute reference hash:", error);
}
}());