hook function in crawling
// ==UserScript==
// @name Hook
// @namespace https://github.com/JaycgbEDC/Script/Js
// @version 0.3
// @license Unlicense
// @description hook function in crawling
// @author Kribe
// @homepage https://github.com/JaycgbEDC/Script/blob/main/Js/Hook/Hook.user.js
// @supportURL https://github.com/JaycgbEDC/Script/issues
// @match *://*/*
// @icon https://s1.imagehub.cc/images/2023/08/12/default.th.jpeg
// @grant unsafeWindow
// @grant GM_registerMenuCommand
// @grant GM_log
// @grant GM_setValue
// @grant GM_getValue
// @run-at document-start
// ==/UserScript==
(function () {
'use strict';
const hookFunctionDebugger = () => {
Function.prototype.constructor_ = Function.prototype.constructor;
Function.prototype.constructor = function (a) {
if(a == "debugger") {
return function (){};
}
return Function.prototype.constructor_(a);
};
};
const hookCookie = () => {
var cookie_cache = document.cookie;
Object.defineProperty(document, 'cookie', {
get: function () {
return cookie_cache;
},
set: function (val) {
GM_log('Setting cookie', val);
// 填写cookie名
if (val.indexOf('m=') != -1) {
debugger;
}
var cookie = val.split(";")[0];
var ncookie = cookie.split("=");
var flag = false;
var cache = cookie_cache.split("; ");
cache = cache.map(function (a) {
if (a.split("=")[0] === ncookie[0]) {
flag = true;
return cookie;
}
return a;
})
cookie_cache = cache.join("; ");
if (!flag) {
cookie_cache += cookie + "; ";
}
return cookie_cache;
}
});
};
const hookSetInterval = () => {
let setInterval_ = unsafeWindow.setInterval;
unsafeWindow.setInterval = function() {
GM_log("setInterval");
return function () {};
};
unsafeWindow.setInterval.toString = function() {
GM_log("有函数正在检测setInterval是否被hook");
return setInterval_.toString();
}
};
const hookRandom = () => {
/* hook掉随机值，比如Date、Math，方便调试 */
Date.now = function now() {
console.log("hook Date.now");
return 1692702146230;
};
Date.parse = function parse() {
console.log("hook Date.parse");
return 1692702146230;
};
Date.prototype.valueOf = function () {
console.log("hook Date.prototype.valueOf");
return 1692702146230;
};
Date.prototype.getTime = function () {
console.log("hook Date.prototype.getTime");
return 1692702146230;
};
Date.prototype.toString = function () {
console.log("hook Date.prototype.toString");
return 1692702146230;
};
Math.random = function random() {
console.log("hook Math.random");
return 0.08636862211354912;
};
};
(() => {
/* 注册用户脚本菜单 */
const menu1 = GM_registerMenuCommand(`${GM_getValue("hookFunctionDebugger") === true ? '✅' : '⬜'} Hook FunctionDebugger`, (event) => {
if (GM_getValue("hookFunctionDebugger") === true) {
GM_setValue("hookFunctionDebugger", false);
} else {
GM_setValue("hookFunctionDebugger", true);
}
window.location.reload(true);
});
const menu2 = GM_registerMenuCommand(`${GM_getValue("hookCookie") === true ? '✅' : '⬜'} Hook Cookie`, (event) => {
if (GM_getValue("hookCookie") === true) {
GM_setValue("hookCookie", false);
} else {
GM_setValue("hookCookie", true);
}
window.location.reload(true);
});
const menu3 = GM_registerMenuCommand(`${GM_getValue("hookSetInterval") === true ? '✅' : '⬜'} Hook setInterval`, (event) => {
if (GM_getValue("hookSetInterval") === true) {
GM_setValue("hookSetInterval", false);
} else {
GM_setValue("hookSetInterval", true);
}
window.location.reload(true);
});
const menu4 = GM_registerMenuCommand(`${GM_getValue("hookRandom") === true ? '✅' : '⬜'} Hook hookRandom`, (event) => {
if (GM_getValue("hookRandom") === true) {
GM_setValue("hookRandom", false);
} else {
GM_setValue("hookRandom", true);
}
window.location.reload(true);
});
})();
if (GM_getValue("hookFunctionDebugger") === true) {
hookFunctionDebugger();
}
if (GM_getValue("hookCookie") === true) {
hookCookie();
}
if (GM_getValue("hookSetInterval") === true) {
hookSetInterval();
}
if (GM_getValue("hookRandom") === true) {
hookRandom();
}
})();