security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
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Code Releases Activity

Get rid of eval.

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This commit is contained in:
kkapsner 2019-12-12 00:09:53 +01:00
parent 32f9ea7447
commit 14a4d1cdc2
10 changed files with 96 additions and 50 deletions
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9
lib/modifiedCanvasAPI.js
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@ -7,8 +7,9 @@
const scope = ((typeof exports) !== "undefined")? exports: require.register("./modifiedCanvasAPI");
const colorStatistics = require("./colorStatistics");
const logging = require("./logging");
const extension = require("./extension");
const {copyCanvasToWebgl} = require("./webgl");
const {getWrapped, checkerWrapper} = require("./modifiedAPIFunctions");
const {checkerWrapper} = require("./modifiedAPIFunctions");
let randomSupply = null;
@ -23,8 +24,8 @@
let imageData;
let source;
if ((context.canvas.width || 0) * (context.canvas.height || 0) === 0){
imageData = new (getWrapped(window).ImageData)(0, 0);
source = new (getWrapped(window).ImageData)(0, 0);
imageData = new (extension.getWrapped(window).ImageData)(0, 0);
source = new (extension.getWrapped(window).ImageData)(0, 0);
}
else if (context instanceof window.CanvasRenderingContext2D){
imageData = window.CanvasRenderingContext2D.prototype.getImageData.call(
@ -35,7 +36,7 @@
source = imageData.data;
}
else {
imageData = new (getWrapped(window).ImageData)(context.canvas.width, context.canvas.height);
imageData = new (extension.getWrapped(window).ImageData)(context.canvas.width, context.canvas.height);
source = new Uint8Array(imageData.data.length);
(
context instanceof window.WebGLRenderingContext?