CLASS_CONFUSION JS混淆全源码_js面向对象-js教程-PHP中文網

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
<script> <BR><!-- <BR>/**//**//**//** <BR>**     <BR>============================================================== <BR>==================================== <BR>**    类名：CLASS_CONFUSION <BR>**    功能：JS混淆 <BR>**    示例： <BR>    --------------------------------------------------------- <BR>------------------------------------------ <br><br>            var xx        = new CLASS_CONFUSION(code); <br><br>            document.getElementById("display").innerHTML =  <BR>xx.confusion(); <br><br>    --------------------------------------------------------- <BR>------------------------------------------ <BR>**    作者：ttyp <BR>**    邮件：ttyp@21cn.com <BR>**    日期：2006-3-20 <BR>**    版本：0.12 <BR>**     <BR>============================================================== <BR>==================================== <BR>**/ <br><br>function CLASS_CONFUSION(code){ <BR>    //哈希表类 <BR>    function Hashtable(){ <BR>        this._hash        = new Object(); <BR>        this.add        = function(key,value){ <BR>                            if(typeof(key)!="undefined"){ <BR>                                if(this.contains(key)==false){ <BR>                                    this._hash[key]=typeof <BR>(value)=="undefined"?null:value; <BR>                                    return true; <BR>                                } else { <BR>                                    return false; <BR>                                } <BR>                            } else { <BR>                                return false; <BR>                            } <BR>                        } <BR>        this.remove        = function(key){delete this._hash <BR>[key];} <BR>        this.count        = function(){var i=0;for(var k in  <BR>this._hash){i++;} return i;} <BR>        this.items        = function(key){return this._hash <BR>[key];} <BR>        this.contains    = function(key){return typeof <BR>(this._hash[key])!="undefined";} <BR>        this.clear        = function(){for(var k in  <BR>this._hash){delete this._hash[k];}} <br><br>    } <br><br>    function VariableMap(parent){ <BR>        this.table = new Hashtable(); <BR>        this.level = parent?parent.level+1:0; <BR>        this.parent= parent; <BR>        this.add = function(key,value){this.table.add <BR>(key,value)}; <BR>        this.items = function(key){return this.table.items <BR>(key)}; <BR>        this.count = function(){return this.table.count()}; <BR>        this.contains = function(key){return  <BR>this.table.contains(key);} <BR>        this.isParameter    = false; <BR>    } <br><br>    this._caseSensitive = true; <br><br>    //字符串转换为哈希表 <BR>    this.str2hashtable = function(key,cs){ <br><br>        var _key    = key.split(/,/g); <BR>        var _hash    = new Hashtable(); <BR>        var _cs        = true; <br><br><BR>        if(typeof(cs)=="undefined"||cs==null){ <BR>            _cs = this._caseSensitive; <BR>        } else { <BR>            _cs = cs; <BR>        } <br><br>        for(var i in _key){ <BR>            if(_cs){ <BR>                _hash.add(_key[i]); <BR>            } else { <BR>                _hash.add((_key[i]+"").toLowerCase()); <BR>            } <br><br>        } <BR>        return _hash; <BR>    } <br><br>    //获得需要转换的代码 <BR>    this._codetxt        = code; <br><br>    if(typeof(syntax)=="undefined"){ <BR>        syntax = ""; <BR>    } <br><br>    this._deleteComment = false; <BR>    //是否大小写敏感 <BR>    this._caseSensitive    = true; <BR>    //得到关键字哈希表 <BR>    this._keywords        = this.str2hashtable <BR>("switch,case,delete,default,typeof,for,in,function,void,this, <BR>boolean,while,if,return,new,true,false,try,catch,throw,null,el <BR>se,do,var"); <BR>    this._function        = this.str2hashtable("function"); <BR>    this._var            = "var"; <BR>    this._beginBlock    = "{"; <BR>    this._endBlock        = "}"; <br><br>    this._window        = this.str2hashtable <BR>("alert,escape,unescape,document,parseInt,parseFloat"); <BR>    //得到内建对象哈希表 <BR>    this._commonObjects = this.str2hashtable <BR>("String,Number,Boolean,RegExp,Error,Math,Date,Object,Array,Gl <BR>obal"); <BR>    //得到分割字符 <BR>    this._wordDelimiters= "　 ,.?!;:\\/<>(){}[]\"'\r\n\t=+- <BR>|*%@#$^&"; <BR>    //引用字符 <BR>    this._quotation        = this.str2hashtable("\",'"); <BR>    //行注释字符 <BR>    this._lineComment    = "//"; <BR>    //转义字符 <BR>    this._escape        = "\\"; <BR>    //多行引用开始 <BR>    this._commentOn        = "/*"; <BR>    //多行引用结束 <BR>    this._commentOff    = "*/"; <BR>    this._execute        = "eval"; <BR>    //引用调用字符 <BR>    this._call            = "."; <BR>    this._varPause        = "="; <BR>    this._varContinue    = ","; <BR>    //变量个数 <BR>    this._varNum = 0; <br><br>    this.confusion    = function() { <BR>        var codeArr = new Array(); <BR>        var word_index = 0; <BR>        var htmlTxt = new Array(); <br><br><BR>        //得到分割字符数组(分词) <BR>        for (var i = 0; i < this._codetxt.length; i++) { <br><br>            if (this._wordDelimiters.indexOf <BR>(this._codetxt.charAt(i)) == -1) {        //找不到关键字 <BR>                if (codeArr[word_index] == null || typeof <BR>(codeArr[word_index]) == 'undefined') { <BR>                    codeArr[word_index] = ""; <BR>                } <BR>                codeArr[word_index] += this._codetxt.charAt <BR>(i); <BR>            } else { <BR>                if (typeof(codeArr[word_index]) != 'undefined'  <BR>&& codeArr[word_index].length > 0) <BR>                    word_index++; <BR>                codeArr[word_index++] = this._codetxt.charAt <BR>(i); <BR>            } <BR>        } <br><br><BR>        var quote_opened                = false;    //引用标记 <BR>        var slash_star_comment_opened    = false;    //多行注 <BR>释标记 <BR>        var slash_slash_comment_opened    = false;    //单行注 <BR>释标记 <BR>        var line_num                    = 1;        //行号 <BR>        var quote_char                    = "";        //引用 <BR>标记类型 <BR>        var call_opened                    = false; <BR>        var call_string                    = ""; <BR>        var var_opened                    = false; <BR>        var var_pause                    = false; <BR>        var function_opened                = false; <BR>        var parameter_opened            = false; <br><br>        var var_map                        = new VariableMap <BR>(); <BR>        var cur_var_map                    = var_map; <BR>        var execute_opened                = false; <br><br>        //按分割字，分块显示 <BR>        for (var i=0; i <=word_index; i++){ <br><br>            //单独处理指针引用 <BR>            if(call_opened&&typeof(codeArr[i])!="undefined"){ <BR>                if(call_string.length==0){ <BR>                    if(this.isVar(codeArr[i])){ <BR>                        call_string +=codeArr[i]; <BR>                    }else{ <BR>                        htmlTxt[htmlTxt.length] = "[\"" +  <BR>this.toHex(call_string) + "\"]"; <BR>                        if(codeArr[i]!=this._call){ <BR>                            htmlTxt[htmlTxt.length] = codeArr <BR>[i]; <BR>                            call_opened = false; <BR>                        } <BR>                        call_string = ""; <BR>                    } <BR>                } else { <BR>                    if(!this.isVar(codeArr[i])){ <BR>                        htmlTxt[htmlTxt.length] = "[\"" +  <BR>this.toHex(call_string) + "\"]"; <BR>                        if(codeArr[i]!=this._call){ <BR>                            htmlTxt[htmlTxt.length] = codeArr <BR>[i]; <BR>                            call_opened = false; <BR>                        } <BR>                        call_string = ""; <BR>                    }else{ <BR>                        htmlTxt[htmlTxt.length] = "[\"" +  <BR>this.toHex(call_string) + "\"]"; <BR>                    } <BR>                } <BR>                continue; <BR>            } <br><br>            //处理空行（由于转义带来） <BR>            if(typeof(codeArr[i])=="undefined"||codeArr <BR>[i].length==0){ <BR>                continue; <BR>            } else if(codeArr[i]==" "){ <BR>                htmlTxt[htmlTxt.length] = " "; <BR>            } else if(codeArr[i]=="\n"){ <BR>            //处理换行 <BR>            } else if (codeArr[i] == "\r"){ <BR>                slash_slash_comment_opened = false; <BR>                quote_opened = false; <BR>                var_opened = false; <BR>                htmlTxt[htmlTxt.length] = "\r\n"; <BR>                line_num++; <BR>            //处理function里的参数标记 <BR>            } else if (!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&this.isFunction <BR>(codeArr[i])){ <BR>                htmlTxt[htmlTxt.length] = codeArr[i]; <BR>                function_opened = true; <BR>            } else if (!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&codeArr[i]=="("){ <BR>                htmlTxt[htmlTxt.length] = codeArr[i]; <BR>                if(function_opened == true){ <BR>                    function_opened =false; <BR>                    var_opened = true; <BR>                    cur_var_map = new VariableMap <BR>(cur_var_map); <BR>                    cur_var_map.isParameter = true; <BR>                } <BR>            } else if (!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&codeArr[i]==")"){ <BR>                htmlTxt[htmlTxt.length] = codeArr[i]; <BR>                //处理var a = new Class(),b=new Date();类似的 <BR>问题 <BR>                if(cur_var_map.isParameter){ <BR>                    var_opened = false; <BR>                    var_pause = false; <BR>                } <BR>            } else if (!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&codeArr[i]==";"){ <BR>                htmlTxt[htmlTxt.length] = codeArr[i]; <BR>                var_opened = false; <BR>                var_pause = false; <BR>                if(execute_opened){ <BR>                    execute_opened = false; <BR>                } <BR>            } else if (!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&codeArr[i] <BR>==this._var){ <BR>                htmlTxt[htmlTxt.length] = codeArr[i]; <BR>                var_opened = true; <BR>                var_pause = false; <BR>            } else if(!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&codeArr[i] <BR>==this._varPause){ <BR>                htmlTxt[htmlTxt.length] = codeArr[i]; <BR>                var_pause = true; <BR>            } else if(!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&codeArr[i] <BR>==this._varContinue){ <BR>                htmlTxt[htmlTxt.length] = codeArr[i]; <BR>                var_pause = false; <BR>            } else if(!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&codeArr[i] <BR>==this._beginBlock){ <BR>                cur_var_map = new VariableMap(cur_var_map); <BR>                var_opened = false; <BR>                htmlTxt[htmlTxt.length] = codeArr[i]; <BR>            } else if(!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&codeArr[i] <BR>==this._endBlock){ <BR>                cur_var_map = cur_var_map.parent; <BR>                if(cur_var_map.isParameter){ <BR>                    cur_var_map = cur_var_map.parent; <BR>                } <BR>                htmlTxt[htmlTxt.length] = codeArr[i]; <BR>            //处理引用调用 <BR>            } else if (!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&codeArr[i] <BR>==this._call){ <BR>                //判断引用(.)后面第一个是否为字母货_$ <BR>                if(i<word_index-1){ <BR>                    if(this.isVar(codeArr[i+1])){ <BR>                        if(call_opened){ <BR>                            htmlTxt[htmlTxt.length] =  <BR>this.toHex(call_string); <BR>                        } <BR>                        call_opened = true; <BR>                    }else{ <BR>                        htmlTxt[htmlTxt.length] = this._call; <BR>                    } <BR>                }else{ <BR>                    htmlTxt[htmlTxt.length] = this._call; <BR>                } <BR>            //处理关键字 <BR>            } else if (!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened && this.isKeyword <BR>(codeArr[i])){ <BR>              htmlTxt[htmlTxt.length] = codeArr[i]; <BR>            //处理eval后的字符串 <BR>            } else if (!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened && codeArr[i] <BR>==this._execute){ <BR>              htmlTxt[htmlTxt.length] = "window[\"" +  <BR>this.toHex(codeArr[i]) + "\"]"; <BR>              execute_opened = true; <BR>            //window内置对象 <BR>            } else if (!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened && this.isWindow <BR>(codeArr[i])){ <BR>              htmlTxt[htmlTxt.length] = "window[\"" +  <BR>this.toHex(codeArr[i]) + "\"]"; <BR>            //处理普通对象 <BR>            } else if (!slash_slash_comment_opened&&! <BR>slash_star_comment_opened && !quote_opened &&  <BR>this.isCommonObject(codeArr[i])){ <BR>                htmlTxt[htmlTxt.length] =  "window[\"" +  <BR>this.toHex(codeArr[i]) + "\"]"; <BR>            //处理双引号（引号前不能为转义字符） <BR>            } else if (!slash_star_comment_opened&&! <BR>slash_slash_comment_opened&&this._quotation.contains(codeArr <BR>[i])){ <BR>                if (quote_opened){ <BR>                    //是相应的引号 <BR>                    if(quote_char==codeArr[i]){ <BR>                        htmlTxt[htmlTxt.length] = codeArr[i]; <BR>                        quote_opened    = false; <BR>                        quote_char        = ""; <BR>                    } else { <BR>                        htmlTxt[htmlTxt.length] = this.toHex <BR>(codeArr[i]); <BR>                    } <BR>                } else { <BR>                    htmlTxt[htmlTxt.length] =  codeArr[i]; <BR>                    quote_opened    = true; <BR>                    quote_char        = codeArr[i]; <BR>                } <BR>            //处理转义字符 <BR>            } else if(codeArr[i] == this._escape){ <BR>                htmlTxt[htmlTxt.length] = codeArr[i]; <BR>                if(i<word_index-1){ <BR>                    if(codeArr[i+1].charCodeAt(0) <BR>>=32&&codeArr[i+1].charCodeAt(0)<=127){ <BR>                        htmlTxt[htmlTxt.length] = codeArr <BR>[i+1].substr(0,1); <BR>                        htmlTxt[htmlTxt.length] = this.toHex <BR>(codeArr[i+1].substr(1)); <BR>                        i=i+1; <BR>                    } <BR>                } <BR>            //处理多行注释的开始 <BR>            } else if (!slash_slash_comment_opened && ! <BR>slash_star_comment_opened&&!quote_opened&&this.isStartWith <BR>(this._commentOn,codeArr,i)){ <BR>                slash_star_comment_opened = true; <BR>                htmlTxt[htmlTxt.length] = this._commentOn; <BR>                i = i + this.getSkipLength(this._commentOn); <BR>            //处理单行注释 <BR>            } else if (!slash_slash_comment_opened && ! <BR>slash_star_comment_opened&&!quote_opened&&this.isStartWith <BR>(this._lineComment,codeArr,i)){ <BR>                slash_slash_comment_opened = true; <BR>                if(!this._deleteComment){ <BR>                    htmlTxt[htmlTxt.length] =   <BR>this._lineComment; <BR>                } <BR>                i = i + this.getSkipLength(this._lineComment); <BR>            //处理忽略词 <BR>            } else if (!slash_slash_comment_opened && ! <BR>slash_star_comment_opened&&!quote_opened&&this.isStartWith <BR>(this._ignore,codeArr,i)){ <BR>                slash_slash_comment_opened = true; <BR>                htmlTxt[htmlTxt.length] = this._ignore; <BR>                i = i + this.getSkipLength(this._ignore); <BR>            //处理多行注释结束 <BR>            } else if (!quote_opened&&! <BR>slash_slash_comment_opened&&this.isStartWith <BR>(this._commentOff,codeArr,i)){ <BR>                if (slash_star_comment_opened) { <BR>                    slash_star_comment_opened = false; <BR>                    if(!this._deleteComment){ <BR>                        htmlTxt[htmlTxt.length] =   <BR>this._commentOff; <BR>                    } <BR>                    i = i + this.getSkipLength <BR>(this._commentOff); <BR>                } <BR>            } else { <BR>                //不是在字符串中 <BR>                if(!quote_opened){ <BR>                    //如果不是在注释重 <BR>                    if(!slash_slash_comment_opened && ! <BR>slash_star_comment_opened){ <BR>                        //不是在定义变量时 <BR>                        if(!var_opened){ <BR>                            if(this.translateVar <BR>(cur_var_map,codeArr[i])==""){ <BR>                                htmlTxt[htmlTxt.length] =  <BR>codeArr[i]; <BR>                            }else{ <BR>                                htmlTxt[htmlTxt.length] =  <BR>this.translateVar(cur_var_map,codeArr[i]); <BR>                            } <BR>                        }else{ <BR>                            //不是在暂停变量定义时 <BR>                            if(var_pause){ <BR>                                if(this.translateVar <BR>(cur_var_map,codeArr[i])==""){ <BR>                                    htmlTxt[htmlTxt.length] =  <BR>codeArr[i]; <BR>                                }else{ <BR>                                    htmlTxt[htmlTxt.length] =  <BR>this.translateVar(cur_var_map,codeArr[i]); <BR>                                } <BR>                            }else{ <BR>                                //变量符合命名规则，并且（变量 <BR>前为空格或制表符或逗号如：var a;var    a;var a,b;，还有如果是 <BR>函数参数,如：function(a,b,c) <BR>                                if(this.isVar(codeArr[i])&& <BR>(i>0&&codeArr[i-1]==" "||codeArr[i-1]=="\t"||codeArr[i-1] <BR>==this._varContinue||cur_var_map.isParameter)){ <BR>                                    var name =  <BR>this.getRandName(); <BR>                                    cur_var_map.add(codeArr <BR>[i],name); <BR>                                    htmlTxt[htmlTxt.length] =  <BR>this.translateVar(cur_var_map,codeArr[i]); <BR>                                }else{ <BR>                                    htmlTxt[htmlTxt.length] =  <BR>codeArr[i]; <BR>                                } <BR>                            } <BR>                        } <BR>                    //注释中 <BR>                    }else{ <BR>                        if(!this._deleteComment){ <BR>                            htmlTxt[htmlTxt.length] = codeArr <BR>[i]; <BR>                        } <BR>                    } <BR>                }else{ <BR>                    if(execute_opened){ <BR>                        if(this.translateVar <BR>(cur_var_map,codeArr[i])==""){ <BR>                            htmlTxt[htmlTxt.length] = codeArr <BR>[i]; <BR>                        }else{ <BR>                            htmlTxt[htmlTxt.length] =  <BR>this.translateVar(cur_var_map,codeArr[i]); <BR>                        } <BR>                    }else{ <BR>                        htmlTxt[htmlTxt.length] = this.toHex <BR>(codeArr[i]); <BR>                    } <BR>                } <BR>            } <br><br>        } <br><br>        return htmlTxt.join(""); <BR>    } <BR>this.isStartWith = function(str,code,index){ <br><br>        if(typeof(str)!="undefined"&&str.length>0){ <BR>            var cc = new Array(); <BR>            for(var i=index;i<index+str.length;i++){ <BR>                cc[cc.length] = code[i]; <BR>            } <BR>            var c = cc.join(""); <BR>            if(this._caseSensitive){ <BR>                if(str.length>=code[index].length&&c.indexOf <BR>(str)==0){ <BR>                    return true; <BR>                } <BR>            }else{ <BR>                if(str.length>=code <BR>[index].length&&c.toLowerCase().indexOf(str.toLowerCase()) <BR>==0){ <BR>                    return true; <BR>                } <BR>            } <BR>            return false; <br><br>        } else { <BR>            return false; <BR>        } <BR>    } <br><br>    this.isFunction = function(val){ <BR>        return this._function.contains(this._caseSensitive? <BR>val:val.toLowerCase()); <BR>    } <br><br>    this.isKeyword = function(val) { <BR>        return this._keywords.contains(this._caseSensitive? <BR>val:val.toLowerCase()); <BR>    } <br><br>    this.isWindow = function(val) { <BR>        return this._window.contains(this._caseSensitive? <BR>val:val.toLowerCase()); <BR>    } <br><br>    this.isCommonObject = function(val) { <BR>        return this._commonObjects.contains <BR>(this._caseSensitive?val:val.toLowerCase()); <BR>    } <br><br>    this.getSkipLength = function(val){ <BR>        var count = 0; <BR>        for(var i=0;i<val.length;i++){ <BR>            if(this._wordDelimiters.indexOf(val.charAt(i)) <BR>>=0){ <BR>                count++; <BR>            } <BR>        } <BR>        if(count>0){ <BR>            count=count-1; <BR>        } <BR>        return count; <BR>    } <br><br>    //字符串转换为16进制形式 <BR>    this.toHex = function(val){ <BR>        var str = new Array(); <BR>        for(var i=0;i<val.length;i++){ <BR>            var c = val.charCodeAt(i); <BR>            if(c>=0&&c<256){ <BR>                str[str.length] = "\\x" + val.charCodeAt <BR>(i).toString(16); <BR>            }else{ <BR>                str[str.length] = "\\u" + val.charCodeAt <BR>(i).toString(16); <BR>            } <BR>        } <BR>        return str.join(""); <BR>    } <br><br>    //获得变量随机名 <BR>    this.getRandName = function(){ <BR>        var style = parseInt(Math.random()*4); <BR>        var len = parseInt(Math.random()*9)+1; <BR>        var n = []; <br><br>        this._varNum++; <BR>        var c =  <BR>"abcdefghijklmnopqrstuvwsyzABCDEFGHIJKLMNOPQRSTUVWXYZ_$"; <br><br>        for(var i=0;i<len;i++){ <BR>            n[n.length] = c.charAt(parseInt(Math.random() <BR>*54)); <BR>        } <br><br>        return n.join("")+this._varNum; <br><br>    } <br><br>    //是否符合变量命名字首规则 <BR>    this.isVar = function(val){ <BR>        return /^[a-zA-Z_\$].*$/.test(val); <BR>    } <br><br>    //翻译变量，如果返回为空则不存在此变量 <BR>    this.translateVar = function(node,key){ <BR>        if(node.contains(key)){ <BR>            return node.items(key); <BR>        } <br><br>        var cn = node.parent; <BR>        while(cn!=null){ <BR>            if(cn.contains(key)){ <BR>                return cn.items(key); <BR>            } <BR>            cn = cn.parent; <BR>        } <BR>        return ""; <BR>    } <br><br><BR>} <br><br>function doConfusion(o){ <BR>    var htmltxt = ""; <br><br>    if (o == null){ <BR>        alert("domNode is null!"); <BR>        return; <BR>    } <br><br>    var _codetxt = ""; <br><br>    if(typeof(o)=="object"){ <BR>        switch(o.tagName){ <BR>            case "TEXTAREA": <BR>            case "INPUT": <BR>                _codetxt = o.value; <BR>                break; <BR>            case "DIV": <BR>            case "SPAN": <BR>                _codetxt = o.innerText; <BR>                break; <BR>            default: <BR>                _codetxt = o.innerHTML; <BR>                break; <BR>        } <BR>    }else{ <BR>        _codetxt = o; <BR>    } <br><br>    var _syn = new CLASS_CONFUSION(_codetxt); <BR>    htmltxt = _syn.confusion(); <BR>    return  htmltxt; <BR>} <br><br><BR>function go() <BR>{ <BR>    var code    = document.getElementById("code").value; <BR>    var xx      = new CLASS_CONFUSION(code); <BR>    var a       = new Date(); <BR>    document.getElementById("display").value = xx.confusion(); <BR>    alert("共花：" + (new Date().getTime()-a.getTime()) +  <BR>"ms"); <BR>} <BR>//--> <BR></script>
CLASS_CONFUSION JS混淆 全源码_js面向对象

CLASS_CONFUSION JS混淆全源码_js面向对象
