[转载]JavaScript代码混淆器
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Language" content="zh-CN" /> <title> New Document </title> <meta name="Design Corp" content="myhhe.cn" /> <meta name="Designer" content="hayden" /> <meta name="Designer mail" content="QQ:3996992" /> <meta name="robots" content="hayden" /> <meta name="Keywords" content="" /> <meta name="Description" content="" /></head><body><div class="cenlst01" style="height:580px;text-align:center;"> <br> <div class="f14"> JS混淆工具</div> <div><TEXTAREA id=code rows=12 cols=80>/*这个是一个类*/function xx(num,str){//说明var a = num;this.aa = a;this.bb = function(){alert(str);}this.cc = function(){for(var i=0;i<10;i++){document.title=i;}}}xx.prototype.dd= function(){alert("dd");}var a = new xx(100,"hello"),b=new xx(0,"ttyp");eval("a.aa=20");a.bb();b.dd();alert(a.aa);</TEXTAREA> <BR><INPUT onclick=go() type=button value='打乱去' class='submit1'><br><textarea id=display rows=12 cols=80></textarea><SCRIPT language=JavaScript><!--/**//**//**//**** ==================================================================================================** 类名：CLASS_CONFUSION** 功能：JS混淆** 示例：25175.com --------------------------------------------------------------------------------------------------- var xx = new CLASS_CONFUSION(code); document.getElementById("display").innerHTML = xx.confusion(); ---------------------------------------------------------------------------------------------------** 作者：ttyp** 邮件：ttyp@21cn.com** 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=typeof(value)=="undefined"?null:value; return true; } else { return false; } } else { return false; } } this.remove = function(key){delete this._hash;} this.count = function(){var i=0;for(var k in this._hash){i++;} return i;} this.items = function(key){return this._hash;} this.contains = function(key){return typeof(this._hash)!="undefined";} this.clear = function(){for(var k in this._hash){delete this._hash;}} } 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); } else { _hash.add((_key+"").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,else,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,Global"); //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 == null || typeof(codeArr) == 'undefined') { codeArr = ""; } codeArr += this._codetxt.charAt(i); } else { if (typeof(codeArr) != 'undefined' && codeArr.length > 0) word_index++; codeArr = 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)!="undefined"){ if(call_string.length==0){ if(this.isVar(codeArr)){ call_string +=codeArr; }else{ htmlTxt = "[\"" + this.toHex(call_string) + "\"]"; if(codeArr!=this._call){ htmlTxt = codeArr; call_opened = false; } call_string = ""; } } else { if(!this.isVar(codeArr)){ htmlTxt = "[\"" + this.toHex(call_string) + "\"]"; if(codeArr!=this._call){ htmlTxt = codeArr; call_opened = false; } call_string = ""; }else{ htmlTxt = "[\"" + this.toHex(call_string) + "\"]"; } } continue; } //处理空行（由于转义带来） if(typeof(codeArr)=="undefined"||codeArr.length==0){ continue; } else if(codeArr==" "){ htmlTxt = " "; } else if(codeArr=="\n"){ //处理换行 } else if (codeArr == "\r"){ slash_slash_comment_opened = false; quote_opened = false; var_opened = false; htmlTxt = "\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)){ htmlTxt = codeArr; function_opened = true; } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr=="("){ htmlTxt = codeArr; 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==")"){ htmlTxt = codeArr; //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==";"){ htmlTxt = codeArr; 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==this._var){ htmlTxt = codeArr; var_opened = true; var_pause = false; } else if(!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr==this._varPause){ htmlTxt = codeArr; var_pause = true; } else if(!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr==this._varContinue){ htmlTxt = codeArr; var_pause = false; } else if(!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr==this._beginBlock){ cur_var_map = new VariableMap(cur_var_map); var_opened = false; htmlTxt = codeArr; } else if(!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr==this._endBlock){ cur_var_map = cur_var_map.parent; if(cur_var_map.isParameter){ cur_var_map = cur_var_map.parent; } htmlTxt = codeArr; //处理引用调用 } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr==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)){ if(call_opened){ htmlTxt = this.toHex(call_string); } call_opened = true; }else{ htmlTxt = this._call; } }else{ htmlTxt = this._call; } //处理关键字 } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened && this.isKeyword(codeArr)){ htmlTxt = codeArr; //处理eval后的字符串 } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened && codeArr==this._execute){ htmlTxt = "window[\"" + this.toHex(codeArr) + "\"]"; execute_opened = true; //window内置对象 } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened && this.isWindow(codeArr)){ htmlTxt = "window[\"" + this.toHex(codeArr) + "\"]"; //处理普通对象 } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened && this.isCommonObject(codeArr)){ htmlTxt ="window[\"" + this.toHex(codeArr) + "\"]"; //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)){ if (quote_opened){ //是相应的引号 if(quote_char==codeArr){ htmlTxt = codeArr; quote_opened = false; quote_char = ""; } else { htmlTxt = this.toHex(codeArr); } } else { htmlTxt =codeArr; quote_opened = true; quote_char = codeArr; } //处理转义字符 } else if(codeArr == this._escape){ htmlTxt = codeArr; if(i<word_index-1){ if(codeArr.charCodeAt(0)>=32&&codeArr.charCodeAt(0)<=127){ htmlTxt = codeArr.substr(0,1); htmlTxt = this.toHex(codeArr.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 = 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 =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 = 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 =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)==""){ htmlTxt = codeArr; }else{ htmlTxt = this.translateVar(cur_var_map,codeArr); } }else{ //不是在暂停变量定义时 if(var_pause){ if(this.translateVar(cur_var_map,codeArr)==""){ htmlTxt = codeArr; }else{ htmlTxt = this.translateVar(cur_var_map,codeArr); } }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>0&&codeArr==" "||codeArr=="\t"||codeArr==this._varContinue||cur_var_map.isParameter)){ var name = this.getRandName(); cur_var_map.add(codeArr,name); htmlTxt = this.translateVar(cur_var_map,codeArr); }else{ htmlTxt = codeArr; } } } //注释中 }else{ if(!this._deleteComment){ htmlTxt = codeArr; } } }else{ if(execute_opened){ if(this.translateVar(cur_var_map,codeArr)==""){ htmlTxt = codeArr; }else{ htmlTxt = this.translateVar(cur_var_map,codeArr); } }else{ htmlTxt = this.toHex(codeArr); } } } } 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 = code; } var c = cc.join(""); if(this._caseSensitive){ if(str.length>=code.length&&c.indexOf(str)==0){ return true; } }else{ if(str.length>=code.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 = "\\x" + val.charCodeAt(i).toString(16); }else{ str = "\\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_$"; for(var i=0;i<len;i++){ n = c.charAt(parseInt(Math.random()*54)); } return n.join("")+this._varNum; } //是否符合变量命名字首规则 this.isVar = function(val){ return /^.*$/.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(); returnhtmltxt;}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></body></html>
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