当前位置: 首页 > 图文教程 > 网络编程 > Javascript > CLASS_CONFUSION JS混淆 全源码

Javascript
javascript radio list的实现细节(多浏览器兼容)
IE在DOM操作有表单控件时的bug
trim原型函数看js正则表达式的性能
js 禁用浏览器的后退功能的简单方法
IE和Firefox下javascript的兼容写法小结
兼容ie和firefox js关闭代码
用tip解决Ext列宽度不够的问题
firefox getyear() getFullYear数获取年份的问题
javascript iFrame研究
FLASH 广告之外的链接
firefox TBODY 用js显示和隐藏时出现错位的解决方法
Javascript 获取LI里的内容
比较全的JS checkbox全选、取消全选、删除功能代码
JS checkbox控制操作代码
document.all与getElementById、getElementsByName、getElementsByTagName用法区别-document.all
document.all与getElementById、getElementsByName、getElementsByTagName用法区别-getElementById
简单通用的JS滑动门代码
Javascript select控件操作大全(新增、修改、删除、选中、清空、判断存在等)
js 提交和设置表单的值
flash javascript之间的通讯方法小结

Javascript 中的 CLASS_CONFUSION JS混淆 全源码


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-12   浏览: 374 ::
收藏到网摘: n/a

利用随机字符串代替变量等,混淆原代码,保护自己写的代码,不利于别人直接剽窃
复制代码 代码如下:

<SCRIPT language=JavaScript>
<!--
/**//**//**//**
**
==============================================================
====================================
** 类名:CLASS_CONFUSION
** 功能:JS混淆
** 示例:
---------------------------------------------------------
------------------------------------------
var xx = new CLASS_CONFUSION(code);
document.getElementById("display").innerHTML =
xx.confusion();
---------------------------------------------------------
------------------------------------------
** 作者:ttyp
** 邮件:[email protected]
** 日期:2006-3-20
** 版本:0.12
**
==============================================================
====================================
**/
function CLASS_CONFUSION(code){
//哈希表类
function Hashtable(){
this._hash = new Object();
this.add = function(key,value){
if(typeof(key)!="undefined"){
if(this.contains(key)==false){
this._hash[key]=typeof
(value)=="undefined"?null:value;
return true;
} else {
return false;
}
} else {
return false;
}
}
this.remove = function(key){delete this._hash
[key];}
this.count = function(){var i=0;for(var k in
this._hash){i++;} return i;}
this.items = function(key){return this._hash
[key];}
this.contains = function(key){return typeof
(this._hash[key])!="undefined";}
this.clear = function(){for(var k in
this._hash){delete this._hash[k];}}
}
function VariableMap(parent){
this.table = new Hashtable();
this.level = parent?parent.level+1:0;
this.parent= parent;
this.add = function(key,value){this.table.add
(key,value)};
this.items = function(key){return this.table.items
(key)};
this.count = function(){return this.table.count()};
this.contains = function(key){return
this.table.contains(key);}
this.isParameter = false;
}
this._caseSensitive = true;
//字符串转换为哈希表
this.str2hashtable = function(key,cs){
var _key = key.split(/,/g);
var _hash = new Hashtable();
var _cs = true;

if(typeof(cs)=="undefined"||cs==null){
_cs = this._caseSensitive;
} else {
_cs = cs;
}
for(var i in _key){
if(_cs){
_hash.add(_key[i]);
} else {
_hash.add((_key[i]+"").toLowerCase());
}
}
return _hash;
}
//获得需要转换的代码
this._codetxt = code;
if(typeof(syntax)=="undefined"){
syntax = "";
}
this._deleteComment = false;
//是否大小写敏感
this._caseSensitive = true;
//得到关键字哈希表
this._keywords = this.str2hashtable
("switch,case,delete,default,typeof,for,in,function,void,this,
boolean,while,if,return,new,true,false,try,catch,throw,null,el
se,do,var");
this._function = this.str2hashtable("function");
this._var = "var";
this._beginBlock = "{";
this._endBlock = "}";
this._window = this.str2hashtable
("alert,escape,unescape,document,parseInt,parseFloat");
//得到内建对象哈希表
this._commonObjects = this.str2hashtable
("String,Number,Boolean,RegExp,Error,Math,Date,Object,Array,Gl
obal");
//得到分割字符
this._wordDelimiters= "  ,.?!;:\\/<>(){}[]\"'\r\n\t=+-
|*%@#$^&";
//引用字符
this._quotation = this.str2hashtable("\",'");
//行注释字符
this._lineComment = "//";
//转义字符
this._escape = "\\";
//多行引用开始
this._commentOn = "/*";
//多行引用结束
this._commentOff = "*/";
this._execute = "eval";
//引用调用字符
this._call = ".";
this._varPause = "=";
this._varContinue = ",";
//变量个数
this._varNum = 0;
this.confusion = function() {
var codeArr = new Array();
var word_index = 0;
var htmlTxt = new Array();

//得到分割字符数组(分词)
for (var i = 0; i < this._codetxt.length; i++) {
if (this._wordDelimiters.indexOf
(this._codetxt.charAt(i)) == -1) { //找不到关键字
if (codeArr[word_index] == null || typeof
(codeArr[word_index]) == 'undefined') {
codeArr[word_index] = "";
}
codeArr[word_index] += this._codetxt.charAt
(i);
} else {
if (typeof(codeArr[word_index]) != 'undefined'
&& codeArr[word_index].length > 0)
word_index++;
codeArr[word_index++] = this._codetxt.charAt
(i);
}
}

var quote_opened = false; //引用标记
var slash_star_comment_opened = false; //多行注
释标记
var slash_slash_comment_opened = false; //单行注
释标记
var line_num = 1; //行号
var quote_char = ""; //引用
标记类型
var call_opened = false;
var call_string = "";
var var_opened = false;
var var_pause = false;
var function_opened = false;
var parameter_opened = false;
var var_map = new VariableMap
();
var cur_var_map = var_map;
var execute_opened = false;
//按分割字,分块显示
for (var i=0; i <=word_index; i++){
//单独处理指针引用
if(call_opened&&typeof(codeArr[i])!="undefined"){
if(call_string.length==0){
if(this.isVar(codeArr[i])){
call_string +=codeArr[i];
}else{
htmlTxt[htmlTxt.length] = "[\"" +
this.toHex(call_string) + "\"]";
if(codeArr[i]!=this._call){
htmlTxt[htmlTxt.length] = codeArr
[i];
call_opened = false;
}
call_string = "";
}
} else {
if(!this.isVar(codeArr[i])){
htmlTxt[htmlTxt.length] = "[\"" +
this.toHex(call_string) + "\"]";
if(codeArr[i]!=this._call){
htmlTxt[htmlTxt.length] = codeArr
[i];
call_opened = false;
}
call_string = "";
}else{
htmlTxt[htmlTxt.length] = "[\"" +
this.toHex(call_string) + "\"]";
}
}
continue;
}
//处理空行(由于转义带来)
if(typeof(codeArr[i])=="undefined"||codeArr
[i].length==0){
continue;
} else if(codeArr[i]==" "){
htmlTxt[htmlTxt.length] = " ";
} else if(codeArr[i]=="\n"){
//处理换行
} else if (codeArr[i] == "\r"){
slash_slash_comment_opened = false;
quote_opened = false;
var_opened = false;
htmlTxt[htmlTxt.length] = "\r\n";
line_num++;
//处理function里的参数标记
} else if (!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&this.isFunction
(codeArr[i])){
htmlTxt[htmlTxt.length] = codeArr[i];
function_opened = true;
} else if (!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&codeArr[i]=="("){
htmlTxt[htmlTxt.length] = codeArr[i];
if(function_opened == true){
function_opened =false;
var_opened = true;
cur_var_map = new VariableMap
(cur_var_map);
cur_var_map.isParameter = true;
}
} else if (!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&codeArr[i]==")"){
htmlTxt[htmlTxt.length] = codeArr[i];
//处理var a = new Class(),b=new Date();类似的
问题
if(cur_var_map.isParameter){
var_opened = false;
var_pause = false;
}
} else if (!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&codeArr[i]==";"){
htmlTxt[htmlTxt.length] = codeArr[i];
var_opened = false;
var_pause = false;
if(execute_opened){
execute_opened = false;
}
} else if (!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&codeArr[i]
==this._var){
htmlTxt[htmlTxt.length] = codeArr[i];
var_opened = true;
var_pause = false;
} else if(!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&codeArr[i]
==this._varPause){
htmlTxt[htmlTxt.length] = codeArr[i];
var_pause = true;
} else if(!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&codeArr[i]
==this._varContinue){
htmlTxt[htmlTxt.length] = codeArr[i];
var_pause = false;
} else if(!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&codeArr[i]
==this._beginBlock){
cur_var_map = new VariableMap(cur_var_map);
var_opened = false;
htmlTxt[htmlTxt.length] = codeArr[i];
} else if(!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&codeArr[i]
==this._endBlock){
cur_var_map = cur_var_map.parent;
if(cur_var_map.isParameter){
cur_var_map = cur_var_map.parent;
}
htmlTxt[htmlTxt.length] = codeArr[i];
//处理引用调用
} else if (!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&codeArr[i]
==this._call){
//判断引用(.)后面第一个是否为字母货_$
if(i<word_index-1){
if(this.isVar(codeArr[i+1])){
if(call_opened){
htmlTxt[htmlTxt.length] =
this.toHex(call_string);
}
call_opened = true;
}else{
htmlTxt[htmlTxt.length] = this._call;
}
}else{
htmlTxt[htmlTxt.length] = this._call;
}
//处理关键字
} else if (!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened && this.isKeyword
(codeArr[i])){
htmlTxt[htmlTxt.length] = codeArr[i];
//处理eval后的字符串
} else if (!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened && codeArr[i]
==this._execute){
htmlTxt[htmlTxt.length] = "window[\"" +
this.toHex(codeArr[i]) + "\"]";
execute_opened = true;
//window内置对象
} else if (!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened && this.isWindow
(codeArr[i])){
htmlTxt[htmlTxt.length] = "window[\"" +
this.toHex(codeArr[i]) + "\"]";
//处理普通对象
} else if (!slash_slash_comment_opened&&!
slash_star_comment_opened && !quote_opened &&
this.isCommonObject(codeArr[i])){
htmlTxt[htmlTxt.length] = "window[\"" +
this.toHex(codeArr[i]) + "\"]";
//处理双引号(引号前不能为转义字符)
} else if (!slash_star_comment_opened&&!
slash_slash_comment_opened&&this._quotation.contains(codeArr
[i])){
if (quote_opened){
//是相应的引号
if(quote_char==codeArr[i]){
htmlTxt[htmlTxt.length] = codeArr[i];
quote_opened = false;
quote_char = "";
} else {
htmlTxt[htmlTxt.length] = this.toHex
(codeArr[i]);
}
} else {
htmlTxt[htmlTxt.length] = codeArr[i];
quote_opened = true;
quote_char = codeArr[i];
}
//处理转义字符
} else if(codeArr[i] == this._escape){
htmlTxt[htmlTxt.length] = codeArr[i];
if(i<word_index-1){
if(codeArr[i+1].charCodeAt(0)
>=32&&codeArr[i+1].charCodeAt(0)<=127){
htmlTxt[htmlTxt.length] = codeArr
[i+1].substr(0,1);
htmlTxt[htmlTxt.length] = this.toHex
(codeArr[i+1].substr(1));
i=i+1;
}
}
//处理多行注释的开始
} else if (!slash_slash_comment_opened && !
slash_star_comment_opened&&!quote_opened&&this.isStartWith
(this._commentOn,codeArr,i)){
slash_star_comment_opened = true;
htmlTxt[htmlTxt.length] = this._commentOn;
i = i + this.getSkipLength(this._commentOn);
//处理单行注释
} else if (!slash_slash_comment_opened && !
slash_star_comment_opened&&!quote_opened&&this.isStartWith
(this._lineComment,codeArr,i)){
slash_slash_comment_opened = true;
if(!this._deleteComment){
htmlTxt[htmlTxt.length] =
this._lineComment;
}
i = i + this.getSkipLength(this._lineComment);
//处理忽略词
} else if (!slash_slash_comment_opened && !
slash_star_comment_opened&&!quote_opened&&this.isStartWith
(this._ignore,codeArr,i)){
slash_slash_comment_opened = true;
htmlTxt[htmlTxt.length] = this._ignore;
i = i + this.getSkipLength(this._ignore);
//处理多行注释结束
} else if (!quote_opened&&!
slash_slash_comment_opened&&this.isStartWith
(this._commentOff,codeArr,i)){
if (slash_star_comment_opened) {
slash_star_comment_opened = false;
if(!this._deleteComment){
htmlTxt[htmlTxt.length] =
this._commentOff;
}
i = i + this.getSkipLength
(this._commentOff);
}
} else {
//不是在字符串中
if(!quote_opened){
//如果不是在注释重
if(!slash_slash_comment_opened && !
slash_star_comment_opened){
//不是在定义变量时
if(!var_opened){
if(this.translateVar
(cur_var_map,codeArr[i])==""){
htmlTxt[htmlTxt.length] =
codeArr[i];
}else{
htmlTxt[htmlTxt.length] =
this.translateVar(cur_var_map,codeArr[i]);
}
}else{
//不是在暂停变量定义时
if(var_pause){
if(this.translateVar
(cur_var_map,codeArr[i])==""){
htmlTxt[htmlTxt.length] =
codeArr[i];
}else{
htmlTxt[htmlTxt.length] =
this.translateVar(cur_var_map,codeArr[i]);
}
}else{
//变量符合命名规则,并且(变量
前为空格或制表符或逗号如:var a;var a;var a,b;,还有如果是
函数参数,如:function(a,b,c)
if(this.isVar(codeArr[i])&&
(i>0&&codeArr[i-1]==" "||codeArr[i-1]=="\t"||codeArr[i-1]
==this._varContinue||cur_var_map.isParameter)){
var name =
this.getRandName();
cur_var_map.add(codeArr
[i],name);
htmlTxt[htmlTxt.length] =
this.translateVar(cur_var_map,codeArr[i]);
}else{
htmlTxt[htmlTxt.length] =
codeArr[i];
}
}
}
//注释中
}else{
if(!this._deleteComment){
htmlTxt[htmlTxt.length] = codeArr
[i];
}
}
}else{
if(execute_opened){
if(this.translateVar
(cur_var_map,codeArr[i])==""){
htmlTxt[htmlTxt.length] = codeArr
[i];
}else{
htmlTxt[htmlTxt.length] =
this.translateVar(cur_var_map,codeArr[i]);
}
}else{
htmlTxt[htmlTxt.length] = this.toHex
(codeArr[i]);
}
}
}
}
return htmlTxt.join("");
}
this.isStartWith = function(str,code,index){
if(typeof(str)!="undefined"&&str.length>0){
var cc = new Array();
for(var i=index;i<index+str.length;i++){
cc[cc.length] = code[i];
}
var c = cc.join("");
if(this._caseSensitive){
if(str.length>=code[index].length&&c.indexOf
(str)==0){
return true;
}
}else{
if(str.length>=code
[index].length&&c.toLowerCase().indexOf(str.toLowerCase())
==0){
return true;
}
}
return false;
} else {
return false;
}
}
this.isFunction = function(val){
return this._function.contains(this._caseSensitive?
val:val.toLowerCase());
}
this.isKeyword = function(val) {
return this._keywords.contains(this._caseSensitive?
val:val.toLowerCase());
}
this.isWindow = function(val) {
return this._window.contains(this._caseSensitive?
val:val.toLowerCase());
}
this.isCommonObject = function(val) {
return this._commonObjects.contains
(this._caseSensitive?val:val.toLowerCase());
}
this.getSkipLength = function(val){
var count = 0;
for(var i=0;i<val.length;i++){
if(this._wordDelimiters.indexOf(val.charAt(i))
>=0){
count++;
}
}
if(count>0){
count=count-1;
}
return count;
}
//字符串转换为16进制形式
this.toHex = function(val){
var str = new Array();
for(var i=0;i<val.length;i++){
var c = val.charCodeAt(i);
if(c>=0&&c<256){
str[str.length] = "\\x" + val.charCodeAt
(i).toString(16);
}else{
str[str.length] = "\\u" + val.charCodeAt
(i).toString(16);
}
}
return str.join("");
}
//获得变量随机名
this.getRandName = function(){
var style = parseInt(Math.random()*4);
var len = parseInt(Math.random()*9)+1;
var n = [];
this._varNum++;
var c =
"abcdefghijklmnopqrstuvwsyzABCDEFGHIJKLMNOPQRSTUVWXYZ_$";
for(var i=0;i<len;i++){
n[n.length] = c.charAt(parseInt(Math.random()
*54));
}
return n.join("")+this._varNum;
}
//是否符合变量命名字首规则
this.isVar = function(val){
return /^[a-zA-Z_\$].*$/.test(val);
}
//翻译变量,如果返回为空则不存在此变量
this.translateVar = function(node,key){
if(node.contains(key)){
return node.items(key);
}
var cn = node.parent;
while(cn!=null){
if(cn.contains(key)){
return cn.items(key);
}
cn = cn.parent;
}
return "";
}

}
function doConfusion(o){
var htmltxt = "";
if (o == null){
alert("domNode is null!");
return;
}
var _codetxt = "";
if(typeof(o)=="object"){
switch(o.tagName){
case "TEXTAREA":
case "INPUT":
_codetxt = o.value;
break;
case "DIV":
case "SPAN":
_codetxt = o.innerText;
break;
default:
_codetxt = o.innerHTML;
break;
}
}else{
_codetxt = o;
}
var _syn = new CLASS_CONFUSION(_codetxt);
htmltxt = _syn.confusion();
return htmltxt;
}

function go()
{
var code = document.getElementById("code").value;
var xx = new CLASS_CONFUSION(code);
var a = new Date();
document.getElementById("display").value = xx.confusion();
alert("共花:" + (new Date().getTime()-a.getTime()) +
"ms");
}
//-->
</SCRIPT>