├── JSHook.js ├── LICENSE ├── README.md ├── sample_Hookalert.js └── sample_ListenWindows.js /JSHook.js: -------------------------------------------------------------------------------- 1 | /* 2 | Copyright (c) 2021 A-Normal-User 3 | Released under Apache License 4 | */ 5 | class JsHook { 6 | "use strict"; 7 | constructor() { 8 | var func_initData = () => { 9 | this.Hooktype = "null"; //定义Hook的类型 10 | this.m_HookObj = new Object; 11 | this.m_Hookname = ""; 12 | this.IsSuspended=false; 13 | this.Hookfunction = function () { }; //定义Hook的函数 14 | this.HookDealfunction = function () { }; //定义Hook跳转的函数 15 | } 16 | var m_data; 17 | func_initData(); 18 | //下面写dealfunctionHook的声明。 19 | var func_dealfunctionHook = (...p_list) => { 20 | //下面处理可以修改数据的Hook 21 | this.m_HookObj = p_list[0];//保存Hook的对象 22 | this.m_Hookname = p_list[1];//保存Hook的函数名 23 | this.Hookfunction = p_list[0][p_list[1]];//保存Hook的函数原来的function 24 | this.HookDealfunction = p_list[2];//保存Hook的function 25 | p_list[0][p_list[1]] = p_list[2];//覆写原函数 26 | }; 27 | var func_Datatype = (...p_list) =>{ 28 | this.m_HookObj = p_list[0];//保存Hook的对象 29 | this.m_Hookname = p_list[1];//保存Hook的函数名 30 | this.HookDealfunction = p_list[2];//保存Hook的function 31 | this.Hookfunction =p_list[0][p_list[1]]//保存被Hook的属性 32 | let self=this; 33 | Object.defineProperty(p_list[0],p_list[1],{ 34 | get(){ 35 | return m_data; 36 | }, 37 | set(val){ 38 | if (self.IsSuspended==false){ 39 | m_data=self.HookDealfunction(self.m_HookObj,self.m_Hookname,val);//调用监听函数 40 | console.log(m_data); 41 | } 42 | } 43 | }) 44 | } 45 | //initHook是初始化Hook的函数 46 | this.initHook = (HookObj, Hookname, newfunction, ...p_list) => { 47 | this.Hooktype = typeof HookObj[Hookname]; 48 | if(p_list[0]){ 49 | //如果是编写函数请注意：initHook时第4个参数表明该函数是否为只监听，如果提供true，则为只监听，监听函数的变化，如果是false，则是可以直接用替换的方式直接处理函数，默认为false 50 | this.Hooktype="default";//即本处将会被抛到func_Datatype处理 51 | } 52 | switch (this.Hooktype) { 53 | case "function": 54 | func_dealfunctionHook(HookObj, Hookname, newfunction); //抛出给dealfunctionHook处理函数的Hook。 55 | break; 56 | case "object": 57 | throw new Error('JsHook错误，不能直接Hook类型为object的变量，请使用类：JsHookObject'); 58 | break; 59 | case "null": 60 | throw new Error('JsHook错误，不能Hook类型为null的变量。'); 61 | case "undefined": 62 | throw new Error('JsHook错误，不能Hook类型为undefined的变量。'); 63 | default: 64 | func_Datatype(HookObj, Hookname, newfunction); 65 | break; 66 | } 67 | }; 68 | this.CallOrigin = (...p_list) => { 69 | switch (this.Hooktype){ 70 | case "function": 71 | //调用原来的函数 72 | this.Hookfunction.apply(this.m_HookObj, p_list); 73 | break; 74 | default: 75 | break; 76 | } 77 | }; 78 | this.SuspendedHook = ()=>{ 79 | //暂停Hook 80 | this.IsSuspended=true; 81 | switch (this.Hooktype){ 82 | case "function": 83 | this.m_HookObj[this.m_Hookname]=this.Hookfunction; 84 | break; 85 | default: 86 | break; 87 | } 88 | } 89 | this.RestoreHook = ()=>{ 90 | //恢复Hook 91 | this.IsSuspended=false; 92 | switch (this.Hooktype){ 93 | case "function": 94 | this.m_HookObj[this.m_Hookname]=this.HookDealfunction; 95 | break; 96 | default: 97 | break; 98 | } 99 | } 100 | this.DeleteHook = ()=>{ 101 | //删除Hook 102 | switch (this.Hooktype){ 103 | case "function": 104 | this.m_HookObj[this.m_Hookname]=this.Hookfunction; 105 | func_initData(); 106 | break; 107 | default: 108 | this.IsSuspended=false; 109 | Object.defineProperty(this.m_HookObj,this.m_Hookname,{ 110 | get(){ 111 | return m_data; 112 | }, 113 | set(val){ 114 | m_data=val; 115 | } 116 | })//重写属性，不再监听 117 | break; 118 | } 119 | } 120 | } 121 | } 122 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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