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Block additional fp-related methods #11055

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Block additional fp-related methods #11055

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6936bff
replace blocked methods with a proxy object that yields itself, to av…
psnyde2 Aug 3, 2017
fdb3774
Merge branch 'master' of github.com:brave/browser-laptop
psnyde2 Sep 20, 2017
97feb9b
add CanvasRenderingContext2D.prototype.isPointInPath and 4 other meth…
psnyde2 Sep 20, 2017
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25 changes: 23 additions & 2 deletions app/extensions/brave/content/scripts/blockCanvasFingerprinting.js
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Original file line number Diff line number Diff line change
Expand Up @@ -174,7 +174,7 @@ if (chrome.contentSettings.canvasFingerprinting == 'block') {
}

var methods = []
var canvasMethods = ['getImageData', 'getLineDash', 'measureText']
var canvasMethods = ['getImageData', 'getLineDash', 'measureText', 'isPointInPath']
canvasMethods.forEach(function (method) {
var item = {
type: 'Canvas',
Expand All @@ -196,7 +196,8 @@ if (chrome.contentSettings.canvasFingerprinting == 'block') {
})

var webglMethods = ['getSupportedExtensions', 'getParameter', 'getContextAttributes',
'getShaderPrecisionFormat', 'getExtension', 'readPixels']
'getShaderPrecisionFormat', 'getExtension', 'readPixels', 'getUniformLocation',
'getAttribLocation']
webglMethods.forEach(function (method) {
var item = {
type: 'WebGL',
Expand Down Expand Up @@ -228,6 +229,26 @@ if (chrome.contentSettings.canvasFingerprinting == 'block') {
methods.push(item)
})

var svgPathMethods = ['getTotalLength']
svgPathMethods.forEach(function (method) {
var item = {
type: 'SVG',
objName: 'SVGPathElement',
propName: method
}
methods.push(item)
})

var svgTextContentMethods = ['getComputedTextLength']
svgTextContentMethods.forEach(function (method) {
var item = {
type: 'SVG',
objName: 'SVGTextContentElement',
propName: method
}
methods.push(item)
})

// Based on https://github.com/webrtcHacks/webrtcnotify
var webrtcMethods = ['createOffer', 'createAnswer', 'setLocalDescription', 'setRemoteDescription']
webrtcMethods.forEach(function (method) {
Expand Down