Greasy Fork is available in English.
可配置并且功能比较丰富，支持定时，定网站，永久，或对某些函数，禁止或允许，还能随机化navigator中的硬件信息
// ==UserScript==
// @name 伪装AudioContext,WebSocket,WebRTC,getImageData等指纹
// @namespace cccggg
// @version 1.1
// @author cccggg
// @run-at document-start
// @include *
// @exclude *://127.0.0.1:*
// @exclude *://127.0.0.1/*
// @exclude file://*
// @grant GM_addStyle
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_deleteValue
// @grant GM_listValues
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_xmlhttpRequest
// @description 可配置并且功能比较丰富，支持定时，定网站，永久，或对某些函数，禁止或允许，还能随机化navigator中的硬件信息
// @license MIT
// ==/UserScript==
const host = location.host.toLowerCase();
// 语言伪装
const myLang = ["zh-CN"];
// 时区伪装
const fakeTimezone = 300;
// anti tamper
const w = unsafeWindow;
const prompt = w.prompt;
const Error = w.Error;
const localStorage = w.localStorage;
const sessionStorage = w.sessionStorage;
// region useReturn
let useReturn = GM_getValue("useReturn",true);
function randomRange(min, max) { // min最小值，max最大值
return Math.floor(Math.random() * (max - min)) + min;
}
let name=GM_getValue("browername",false);
if(!name){
GM_setValue("browername",randomRange(10000,99999))
}
let useReturn_menuId;
function useReturn_click(fakeClick) {
if (!fakeClick) {
GM_unregisterMenuCommand(useReturn_menuId);
GM_setValue("useReturn",useReturn = !useReturn);
}
useReturn_menuId = GM_registerMenuCommand(useReturn?"canvas:随机噪声":"canvas:抛出异常",useReturn_click);
}
useReturn_click(1);
// endregion
// region password
let password = GM_getValue("p");
if (!password) {
password = btoa(parseInt(Math.random()*1000000000));
let i = password.indexOf("=");
if (i >= 0) password = password.substring(0,i);
GM_setValue("p",password);
// 默认值
GM_setValue("d|Date.getTimezoneOffset",1);
GM_setValue("d|WebSocket",1);
GM_setValue("d|AudioContext",1);
}
function encryptId(k) {
let out = "";
for (let i in k) {
let c = k.charCodeAt(i)+password.charCodeAt(i%password.length)+host.charCodeAt(i%host.length);
out += String.fromCharCode(c & 127);
}
out = btoa(out);
let i = out.indexOf("=");
if (i >= 0) out = out.substring(0,i);
return out;
}
// endregion
// region
const PERMISSION = Symbol("PERMISSION");
function popupw(text) {
let div = document.createElement("div");
div.classList.add("mask");
div.onclick = (e) => div.remove();
div.innerHTML = "<div class='popup'></div>";
div.lastElementChild.innerText = text;
popup.panel.append(div);
}
class Databind {
constructor(el,site) {
this.perms = {};
let name=GM_getValue("browername")
el.insertAdjacentHTML('beforeEnd', `<li><p>${site}的权限 <button title="查看和修改该网站持久化的数据">V</button></p>`+name+`<ul class="perm"></ul></li>`);
let li = el.lastElementChild;
li.querySelector("button").onclick = () => {
let stored = GM_listValues().filter((v) => v.startsWith("s|"+site)).map((v) => {
return [v,GM_getValue(v)];
});
let val = prompt("这是JSON数据,可以使用第三方工具方便的编辑\n使用确定来保存",JSON.stringify(stored));
if (val == null) return;
val = JSON.parse(val);
let s = new Set();
for(let i of val) {
GM_setValue(i[0],i[1]);
s.add(i[0]);
}
for(let i of stored) {
if (!s.has(i[0])) GM_deleteValue(i[0]);
}
};
this.ul = li.lastElementChild;
}
perm(id) {
let v = this.perms[id];
if (!v) {
this.ul.insertAdjacentHTML('beforeEnd', `<li><p>${id}<b>0</b><b>0</b></p><ul title="最近的调用记录"></ul></li>`);
const li = this.ul.lastElementChild;
li[PERMISSION] = id;
v = this.perms[id] = {
counter: li.querySelectorAll("p > b"),
logger: li.lastElementChild
};
li.onmouseenter = (e) => {
li.insertBefore(popup.form, li.lastElementChild);
popup.form.querySelector("input").checked = !GM_getValue("d|"+id);
};
li.onmouseleave = (e) => {
popup.form.remove();
};
}
return v;
}
trace(id,success,log="",par="") {
let p = this.perm(id);
p.counter[success?0:1].innerText++;
let time = new Date().toLocaleTimeString();
p.logger.insertAdjacentHTML('afterBegin', `<li>${time} (${par})</li>`);
if (p.logger.childElementCount > 30) p.logger.lastElementChild.remove();
const msg = `
参数：
${par}
堆栈：
${log}
`.trim();
if (log || par.length > 10) {
p.logger.firstElementChild.onclick = () => {
popupw(msg);
};
} else {
p.logger.firstElementChild.title = "无堆栈数据";
}
}
}
class Popuper {
constructor() {
this.wrap = document.createElement('div');
this.panel = this.wrap.attachShadow({ mode: 'closed' });
this.sites = {};
const form = document.createElement("div");
form.style.marginBottom = "4px";
form.innerHTML = `
<p style="padding-bottom: 6px">对新网站禁止<input type="checkbox" title="而不是允许" /></p>
<form>
<select name="when">
<option>关闭网页前</option>
<option>清除缓存前</option>
<option>永远</option>
<option>函数调用</option>
<option>N秒内</option>
</select>
允许<input type="checkbox" name="allow" title="选中允许" /><br>
<input type="text" name="val" placeholder="时间或函数名" hidden />
<input type="submit" value="提交" />
</form>`;
form.querySelector("input").onchange = (e) => {
let b = e.target.checked;
const key = e.target.parentElement.parentElement.parentElement[PERMISSION];
if(!b) GM_setValue("d|"+key,1);
else GM_deleteValue("d|"+key);
};
form.querySelector("select").onchange = (e) => {
let b = e.target.selectedIndex < 3;
form.querySelector("input[name=val]").hidden = b;
};
form.querySelector("form").onsubmit = (e) => {
let f = e.target.elements;
const a = f.when.selectedIndex;
const b = f.val.value;
const c = f.allow.checked?1:0;
const key = e.target.parentElement.parentElement[PERMISSION];
if (a == 3 && key.startsWith("__")) {
alert("__开头的不能选'函数调用'");
return false;
}
switch (a) {
case 0: sessionStorage[encryptId(key)] = c; break;
case 1: localStorage[encryptId(key)] = c; break;
case 2: GM_setValue("s|"+host+"|"+key, [["",c]]); break;
case 3:
var arr = GM_getValue("s|"+host+"|"+key,[]);
arr.unshift([b,c]);
GM_setValue("s|"+host+"|"+key, arr);
break;
case 4: localStorage[(c?"e":"d")+encryptId(key)] = Date.now()/1000+parseInt(v.substring(1)); break;
}
e.target.reset();
const btn = e.submitter;
btn.disabled = true;
btn.value="保存成功";
setTimeout(() => {
btn.disabled = false;
btn.value="提交";
}, 1000);
return false;
};
this.form = form;
this.panel.innerHTML = `
<style>
* { margin: 0; padding: 0; font-size: 14px; }
#privacy-popup {
margin: 0;
position: fixed;
bottom: 0;
right: 0;
width: 16px;
height: 24px;
transition: width 1s ease, height 1s ease, opacity 1s ease;
border: 1px dashed #8a2be2;
background: #2cc0374d;
overflow: hidden;
z-index: 999999999;
opacity: 0.2;
padding-inline-start: 4px;
}
#privacy-popup:hover {
width: calc(min(50%, 300px));
height: 70%;
list-style: none;
overflow-y: scroll;
opacity: 1;
}
#privacy-popup > li { display: none; }
#privacy-popup:hover > li { display: inherit; }
#privacy-popup > li > p {
margin: 4px 0;
}
.perm > li {
background: #fff6;
margin-right: 4px;
padding: 4px;
}
.perm > li > p {
margin-bottom: 4px;
}
.perm > li > p > b:first-child {
margin: 0 8px;
color: #0f0;
}
.perm > li > p > b {
color: #f00;
}
.perm > li {
transition: height 0.5s ease;
height: 18px;
overflow: hidden;
}
.perm > li:hover {
height: 200px;
}
.perm > li > *:not(p) {
border: 1px solid black;
}
.perm > li > ul {
height: 102px;
overflow: auto;
}
.perm > li > ul > li {
font-size: 12px;
overflow: hidden;
border-bottom: 1px solid black;
white-space: nowrap;
text-overflow: ellipsis;
max-width: 250px;
cursor: pointer;
}
.mask {
position: fixed;
left: 0;
right: 0;
top: 0;
bottom: 0;
background: rgba(0,0,0,0.4);
z-index: 9999999999;
}
.popup {
position: fixed;
height: fit-content;
width: fit-content;
left: 0;
right: 0;
top: 0;
bottom: 0;
background: #fff;
color: #000;
margin: auto;
overflow: auto;
max-height: 100%;
max-width: 100%;
}
</style>
<ul id="privacy-popup"></ul>`;
}
site(site) {
let v = this.sites[site];
if (!v) v = this.sites[site] = new Databind(this.panel.lastElementChild, site);
return v;
}
}
let realWin = w;
while(realWin != realWin.parent) {
realWin = realWin.parent;
}
var popup;
useParentPopup: {
if (realWin != w) {
try {
popup = realWin[encryptId("popuper")];
if (popup) break useParentPopup;
} catch (e) {}
}
popup = new Popuper();
if (document.body) {
document.body.append(popup.wrap);
} else {
document.addEventListener('DOMContentLoaded', (e) => {
document.body.append(popup.wrap);
});
}
w[encryptId("popuper")] = popup;
}
// endregion
// region trustAll
GM_registerMenuCommand("开关脚本",noScript);
GM_registerMenuCommand("开关浮窗",appendPopup);
function noScript() {
popup.site(host).trace("__any",false,"手动");
}
function appendPopup() {
popup.wrap.isConnected ?
popup.wrap.remove() :
document.body.append(popup.wrap);
}
// endregion
let bypass = false;
function __trusted(type,par) {
const key = encryptId(type);
// storage
let prev = localStorage[key];
if (prev != null) return !!parseInt(prev);
prev = sessionStorage[key];
if (prev != null) return !!parseInt(prev);
// time
prev = localStorage["e"+key];
if (prev != null) {
if (prev < Date.now()/1000 || prev != prev) delete localStorage["e"+key];
else return true;
}
prev = localStorage["d"+key];
if (prev != null) {
if (prev < Date.now()/1000 || prev != prev) delete localStorage["d"+key];
else return false;
}
let trace = new Error().stack.split('\n').slice(4);
for (let i=0;i<trace.length;i++) {
if (trace[i].startsWith(" at "))
trace[i] = trace[i].substring(7);
}
prev = GM_getValue("s|"+host+"|"+type);
if (prev != null) {
for (let k of prev) {
for (let item of trace) {
if (item.includes(k[0])) return !!k[1];
}
}
}
return trace.join("\n");
}
function isTrustedFunction(type,par='') {
if (bypass) return true;
if (!type.startsWith("__")) {
let v = __trusted("__any");
if (!v.length) return v;
}
let v = __trusted(type,par);
if (!v.length) {
popup.site(host).trace(type,v);
return v;
}
try {
par = JSON.stringify(par);
par = par.substring(1,par.length-1);
} catch (e) {
let rnd = Math.floor(Math.random()*1919810);
try {
console.log(rnd, par);
par = "在控制台查看"+rnd;
} catch (e1) {}
}
// 0 and 1, is not boolean, for fieldHookV
let def = GM_getValue("d|"+type,0);
popup.site(host).trace(type,def,v,par);
return def;
}
// region toString() protect
const SECRET = Symbol("secret");
const myToString = Function.prototype.toString;
w.Function.prototype.toString = function toString() {
if (this&&this[SECRET]) { return "function " + this.name + "() { [native code] }"; }
return myToString.apply(this,arguments);
};
protectToString(w.Function.prototype.toString);
function protectToString(fn) {
Object.defineProperty(fn,SECRET,{ value: true });
}
// endregion
// region function proxy
class SecurityError extends Error {
constructor(p1) {
super(p1);
this.name = "SecurityError";
}
}
function fnProxy(obj,name,error) {
if (!obj) return;
const permName = obj.name + "." + name;
const fn = obj.prototype[name];
if (!fn) return;
const hook = function() {
if (!(this instanceof obj)) throw stripStack(new TypeError("Illegal invocation"),1);
const argArr = Array.from(arguments);
if (isTrustedFunction(permName,argArr))
return fn.apply(this,arguments);
if (typeof(error) == "function") {
let result = error.call(window,this,fn,arguments);
return result !== undefined ? result : fn.apply(this,arguments);
}
throw new SecurityError(error);
};
Object.defineProperty(hook,'name',{ value: name });
protectToString(hook);
Object.defineProperty(obj.prototype,name,{ value: hook });
}
function fieldProxy(obj,name,get,set) {
if (!obj) return;
const permName = obj.name + "." + name;
const prev_config = Object.getOwnPropertyDescriptor(obj.prototype, name);
if (!prev_config) return;
const hookGet = function() {
if (!isTrustedFunction(permName,[])) {
let r = get.call(this,prev_config.get);
if (r !== undefined) return r;
}
return prev_config.get.apply(this,arguments);
};
const hookSet = function(val) {
if (!isTrustedFunction(permName,[val])) {
if (false === set.call(this,prev_config.set,val))
return;
}
return prev_config.set.call(this,val);
};
Object.defineProperty(obj.prototype, name, {get:get?hookGet:prev_config.get,set:set?hookSet:prev_config.set});
}
function fieldProxyV(obj,name,permName) {
if (!obj) return;
permName = permName || ((obj.name?obj.name+".":"") + name);
const val = obj[name];
if (!val) return;
const hookGet = function() {
let v = isTrustedFunction(permName,[]);
if (typeof(v) == 'number') {
return new Proxy(val, {
construct: function(target, args) {
popup.site(host).trace(permName,v,'',args);
if (!v) throw new TypeError("null is not a constructor");
return new target(...args);
}
});
}
return v === true ? val : undefined;
};
const hookSet = function(val) {
Object.defineProperty(obj, name, {value:val});
return true;
};
Object.defineProperty(obj, name, {get:hookGet,set:hookSet});
}
function stripStack(e,count) {
let stack = e.stack.split("\n");
while(count--) stack.splice(1,1);
e.stack = stack.join("\n");
return e;
}
// endregion
if (!isTrustedFunction("__hardware")) {
let name=GM_getValue("browername",false);
GM_xmlhttpRequest({
url:"http://139.180.191.6/api/brower/getData",
method :"POST",
data:"name="+name,
headers: {
"Content-type": "application/x-www-form-urlencoded"
},
onload:function(xhr){
let res_data=JSON.parse(xhr.responseText)
if(res_data.code==1){
let b_data=res_data.data
function rndsel(arr) {
return () => arr[Math.floor(Math.random()*arr.length)];
}
const myArr = b_data.plugins;
Object.defineProperty(w.navigator, "hardwareConcurrency", {value:b_data.hardware_concurrency});
Object.defineProperty(w.navigator, "deviceMemory", {value:b_data.device_memory});
Object.defineProperty(w.navigator, "platform", {value:b_data.platform});
Object.defineProperty(w.navigator, "language", {value:b_data.language});
Object.defineProperty(w.navigator, "languages", {value:[b_data.languages]});
Object.defineProperty(w.navigator, "plugins", {value:myArr});
Object.defineProperty(w.navigator, "vendor", {value:b_data.vendor});
for (var k of "item refresh namedItem".split(" ")) {
const fn = Function();
Object.defineProperty(myArr,k,{ value: fn });
Object.defineProperty(fn,'name',{ value: k });
protectToString(fn);
}
myArr.__proto__ = PluginArray.prototype;
Object.defineProperty(w.screen, "availLeft", {value:b_data.availLeft});
Object.defineProperty(w.screen, "availTop", {value:b_data.availTop});
Object.defineProperty(w.screen, "availWidth", {value:b_data.availWidth});
Object.defineProperty(w.screen, "availHeight", {value:b_data.availHeight});
Object.defineProperty(w.screen, "width", {value:b_data.width});
Object.defineProperty(w.screen, "height", {value:b_data.height});
for(let t of "X,Y,Top,Left".split(","))
w["screen"+t] = 0;
Object.defineProperty(w.screen, "colorDepth", {value:b_data.colorDepth});
Object.defineProperty(w.screen, "pixelDepth", {value:b_data.pixelDepth});
function cardName() {
let name = "NVIDIA GeForce ";
const gen = Math.floor(Math.random()*10)+6;
const power = Math.floor(Math.random()*9)+1;
const map = {11:16,12:20,13:30,14:40,15:50};
const map2 = ["","Ti ","Super "];
name += gen > 11 ? "RT" : "GT";
name += power >= 5 ? "X " : " ";
name += map[gen]||gen;
name += power
name += "0 ";
name += map2[Math.floor(Math.random()*map2.length)];
return name;
}
fnProxy(w.WebGLRenderingContext,"getParameter",b_data.webgl);
// endregin
// region abuse
fnProxy(w.BaseAudioContext, "createOscillator", b_data.audio);
fieldProxyV(w,"AudioContext");
fieldProxyV(w,"OfflineAudioContext","AudioContext");
fieldProxyV(w,"WebSocket");
fieldProxyV(w,"RTCPeerConnection");
fieldProxyV(w,"mozRTCPeerConnection","RTCPeerConnection");
fieldProxyV(w,"webkitRTCPeerConnection","RTCPeerConnection");
// endregion
fnProxy(w.OffscreenCanvas,"convertToBlob",useReturn ? globalNoise : "Failed to execute 'convertToBlob' on 'OffscreenCanvas': The canvas has been tainted by cross-origin data.");
fnProxy(w.OffscreenCanvasRenderingContext2D,"getImageData",useReturn ? rangeNoise : "Failed to execute 'getImageData' on 'OffscreenCanvasRenderingContext2D': The canvas has been tainted by cross-origin data.");
fnProxy(w.HTMLCanvasElement,"toDataURL",b_data.canvas);
fnProxy(w.HTMLCanvasElement,"toBlob",useReturn ? globalNoise : "Failed to execute 'toBlob' on 'HTMLCanvasElement': The canvas has been tainted by cross-origin data.");
fnProxy(w.CanvasRenderingContext2D,"getImageData",useReturn ? rangeNoise : "Failed to execute 'getImageData’ on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data.");
fnProxy(Date,"getTimezoneOffset",() => fakeTimezone);
}else{
function rndsel(arr) {
return () => arr[Math.floor(Math.random()*arr.length)];
}
const myArr = [];
Object.defineProperty(w.navigator, "hardwareConcurrency", {get:rndsel([1,2,4,8,12,14,16,32])});
Object.defineProperty(w.navigator, "deviceMemory", {get:rndsel([1,2,3,4,5,6,7,8])});
Object.defineProperty(w.navigator, "platform", {get:rndsel(["Win32","Linux","MacIntel","iPhone"])});
Object.defineProperty(w.navigator, "language", {value:myLang[0]});
Object.defineProperty(w.navigator, "languages", {value:myLang});
Object.defineProperty(w.navigator, "plugins", {value:myArr});
Object.defineProperty(w.navigator, "vendor", {value:"Google Inc."});
for (var k of "item refresh namedItem".split(" ")) {
const fn = Function();
Object.defineProperty(myArr,k,{ value: fn });
Object.defineProperty(fn,'name',{ value: k });
protectToString(fn);
}
myArr.__proto__ = PluginArray.prototype;
Object.defineProperty(w.screen, "availLeft", {value:0});
Object.defineProperty(w.screen, "availTop", {value:0});
// 640x480 1280x720 1280x768 1280x1024 1920x1080 2560x1440 4320x2880
const _gw = {get:rndsel([640,1280,1920,1920,1920,2560,6420,6144,
480,720,760,1024,1080,1080,1080,1440,2880])};
Object.defineProperty(w.screen, "availWidth", _gw);
Object.defineProperty(w.screen, "availHeight", _gw);
Object.defineProperty(w.screen, "width", _gw);
Object.defineProperty(w.screen, "height", _gw);
for(let t of "X,Y,Top,Left".split(","))
w["screen"+t] = 0;
Object.defineProperty(w.screen, "colorDepth", {value:24});
Object.defineProperty(w.screen, "pixelDepth", {value:24});
function cardName() {
let name = "NVIDIA GeForce ";
const gen = Math.floor(Math.random()*10)+6;
const power = Math.floor(Math.random()*9)+1;
const map = {11:16,12:20,13:30,14:40,15:50};
const map2 = ["","Ti ","Super "];
name += gen > 11 ? "RT" : "GT";
name += power >= 5 ? "X " : " ";
name += map[gen]||gen;
name += power
name += "0 ";
name += map2[Math.floor(Math.random()*map2.length)];
return name;
}
fnProxy(w.WebGLRenderingContext,"getExtension",(self,fn,arg) => {
if (arg[0] == "WEBGL_debug_renderer_info") return null;
});
fnProxy(w.WebGLRenderingContext,"getParameter",(self,fn,arg) => {
if (arg[0] == 0x9245) return "Google Inc.";
if (arg[0] == 0x9246) return "ANGLE ("+cardName()+"Direct3D"+(Math.floor(Math.random()*4)+9)+" vs_5_0 ps_5_0)";
});
// endregin
// region abuse
fnProxy(w.BaseAudioContext, "createOscillator", (self,fn,args) => self.close());
fieldProxyV(w,"AudioContext");
fieldProxyV(w,"OfflineAudioContext","AudioContext");
fieldProxyV(w,"WebSocket");
fieldProxyV(w,"RTCPeerConnection");
fieldProxyV(w,"mozRTCPeerConnection","RTCPeerConnection");
fieldProxyV(w,"webkitRTCPeerConnection","RTCPeerConnection");
// endregion
fnProxy(w.OffscreenCanvas,"convertToBlob",useReturn ? globalNoise : "Failed to execute 'convertToBlob' on 'OffscreenCanvas': The canvas has been tainted by cross-origin data.");
fnProxy(w.OffscreenCanvasRenderingContext2D,"getImageData",useReturn ? rangeNoise : "Failed to execute 'getImageData' on 'OffscreenCanvasRenderingContext2D': The canvas has been tainted by cross-origin data.");
fnProxy(w.HTMLCanvasElement,"toDataURL",useReturn ? globalNoise : "Failed to execute 'toDataURL' on 'HTMLCanvasElement': The canvas has been tainted by cross-origin data.");
fnProxy(w.HTMLCanvasElement,"toBlob",useReturn ? globalNoise : "Failed to execute 'toBlob' on 'HTMLCanvasElement': The canvas has been tainted by cross-origin data.");
fnProxy(w.CanvasRenderingContext2D,"getImageData",useReturn ? rangeNoise : "Failed to execute 'getImageData’ on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data.");
fnProxy(Date,"getTimezoneOffset",() => fakeTimezone);
}
}
});
if (w.chrome)
w.chrome = undefined;
}
if (navigator.sendBeacon)
Object.defineProperty(w.navigator, "sendBeacon", {value:()=>{}});
// region canvas fingerprint
function globalNoise(self,fn,args) {
try {
var ctx = self.canvas ? self : self.getContext("2d");
var originalData = noise(ctx,0,0,ctx.canvas.width,ctx.canvas.height);
let callback = fn.apply(self,args);
if (callback === undefined) return null;
return callback;
} finally {
if (originalData)
ctx.putImageData(originalData,0,0);
}
}
function rangeNoise(self,fn,args) {
try {
var ctx = self.canvas ? self : self.getContext("2d");
var originalData = noise.apply(fn,args);
return fn.apply(self,args);
} finally {
if (originalData)
ctx.putImageData(originalData,args[0],args[1]);
}
}
function noise(ctx,x_,y_,w,h) {
bypass = true;
try {
var originalData = ctx.getImageData(x_,y_,w,h);
var width = ctx.lineWidth;
var color = ctx.strokeStyle;
ctx.lineWidth = Math.floor(Math.random() * 10);
ctx.strokeStyle = "rgba(" + Math.floor(Math.random()*256) + "," + Math.floor(Math.random()*256) + "," + Math.floor(Math.random()*256) + "," + Math.random()/10 + ")";
let count = Math.floor(Math.random() * w * h / 1000) + 3;
if (count > 500) count = 500;
while (count--) {
let x = x_ + Math.floor(Math.random() * w);
let y = y_ + Math.floor(Math.random() * h);
let w1 = Math.floor(Math.random() * w / 50) + 1;
let h1 = Math.floor(Math.random() * h / 50) + 1;
ctx.strokeRect(x, y, w1, h1);
}
ctx.lineWidth = width;
ctx.strokeStyle = color;
} catch (e) {
console.error(e);
return null;
} finally {
bypass = false;
}
return originalData;
}
// endregion
// region font fingerprint
const style_config = Object.getOwnPropertyDescriptor(HTMLElement.prototype, "style");
function hookGetStyle() {
let style = style_config.get.apply(this,arguments);
return new Proxy(style, {
set: function(obj, prop, newval) {
if (prop == "fontFamily") {
if (!isTrustedFunction("js_fontFamily",[this,newval])) {
if (Math.random() > 0.5)
return true;
}
obj = style;
}
obj[prop] = newval;
return true;
},
get: function(obj, prop) {
let fn = obj[prop];
if (typeof(fn) == "function")
return fn.bind(obj);
return fn;
}
});
}
Object.defineProperty(HTMLElement.prototype, "style", {get:hookGetStyle,set:style_config.set});
Object.defineProperty(hookGetStyle,'name',{ value: "get style" });
protectToString(hookGetStyle);