package com.ks.tools;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author 李英夫
* @ClassName AntiCopy
* @Version
* @ModifiedBy
* @Copyright @ 2010 H&L Technology Inc.
* @date 2010-6-3 上午08:39:47
* @description
*/
public class AntiCopy {
private static int A = 62;
private static Map<String, String> STYLE = new HashMap<String, String>();
//初始化加载,有其它操作时在里面添加
static{
STYLE.put("WA", "window.alert");
STYLE.put("DW", "document.write");
}
/**
* function encode() {
* var code = document.getElementById('code').value;
* code = code.replace(/[\r\n]+/g, '');
* code = code.replace(/'/g, "\\'");
* var tmp = code.match(/\b(\w+)\b/g);
* tmp.sort();
* var dict = [];
* var i, t = '';
* for(var i=0; i<tmp.length; i++) {
* if(tmp[i] != t) dict.push(t = tmp[i]);
* }
* var len = dict.length;
* var ch;
* for(i=0; i<len; i++) {
* ch = num(i);
* code = code.replace(new RegExp('\\b'+dict[i]+'\\b','g'), ch);
* if(ch == dict[i]) dict[i] = '';
* }
* document.getElementById('code').value = "eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)d[e(c)]=k[c]||e(c);k=[function(e){return d[e]}];e=function(){return'\\\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\\\b'+e(c)+'\\\\b','g'),k[c]);return p}("
* + "'"+code+"',"+a+","+len+",'"+ dict.join('|')+"'.split('|'),0,{}))";
* }
*
* function num(c) {
* return(c<a?'':num(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36));
* }
*/
/**
* Javascript代码混淆器,参照Javascript代码所写.
* @author 李英夫 (2010-6-7 下午01:32:27)
* @param JSCode Javascript代码
* @return String 返回加密码后的代码
*/
private static String JSCodeConfuser(String JSCode){
String code = JSCode, t = "", ch = "";
List<String> list = new ArrayList<String>(), dict = new ArrayList<String>();
/**
* 1.Java中四个\代表一个在传化时还要多添一个\才不会错
* 2.去换行
* 3.不能将\"替换掉
* 4.将'变成\'
*/
code = code.replaceAll("\\\\", "\\\\\\\\").replaceAll("\r\n", "").replaceAll("[^\"]\\\\", "＼").replaceAll("'", "\\\\'");
Pattern p = Pattern.compile("(?m)\\b(\\w+)\\b");
Matcher matcher = p.matcher(code);
while (matcher.find()) list.add(matcher.group());
String[] rs = (String[]) list.toArray(new String[list.size()]);
Arrays.sort(rs);
for(int i = 0;i < rs.length; i++){
if(!rs[i].equals(t)){
t = rs[i];
dict.add(t);
}
}
int len = dict.size();
for(int i = 0; i < len; i++){
ch = num(i);
code = code.replaceAll("\\b"+dict.get(i)+"\\b", ch);
if(ch.equals(dict.get(i))) {
dict.remove(i);
dict.add(i, "");
}
}
StringBuffer dictStr = new StringBuffer();
for(int i = 0; i < dict.size(); i++) dictStr.append(dict.get(i)).append("|");
String temp = dictStr.toString().substring(0, dictStr.toString().length()-1);
return "eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)d[e(c)]=k[c]||e(c);k=[function(e){return d[e]}];e=function(){return'\\\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\\\b'+e(c)+'\\\\b','g'),k[c]);return p}("
+ "'"+code+"',"+A+","+len+",'"+ temp +"'.split('|'),0,{}))";
}
/**
* 参照Javascript代码
* @author 李英夫(2010-6-7 下午01:32:27)
* @param c
* @return String
*/
private static String num(int c) {
return(c<A?"":num((int)(c/A)))+((c=c%A)>35?(char)(c+29):Integer.toString(c,36));
}
/**
* 字符串转Unicode(Javascript专用%u形式)
* @author 李英夫(2010-6-7 下午01:53:05)
* @param str
* @return String
*/
private static String stringToUnicode(String str){
StringBuffer unStr = new StringBuffer();
for(char c : str.toCharArray()){
//只转汉字
String cStr = c+"";
if(cStr.matches("[^\\x00-\\xff]")) unStr.append("%u" + Integer.toHexString(c));
else unStr.append(c);
}
return unStr.toString();
}
/**
* Unicode转字符串(Javascript专用%u形式)
* @author 李英夫(2010-6-7 下午01:50:50)
* @param str
* @return String
*/
private static String unicodeToString(String str) {
Pattern pattern = Pattern.compile("(%u(\\p{XDigit}{4}))");
Matcher matcher = pattern.matcher(str);
char ch;
while (matcher.find()) {
ch = (char) Integer.parseInt(matcher.group(2), 16);
str = str.replace(matcher.group(1), ch + "");
}
return str;
}
/**
* 加密(默认)
* 默认是document.write,以后功能多了可以重载这个方法,
* 可以加一个参数encrypted(String content, String style),
* 如:window.alert
* @author 李英夫(2010-6-7 下午01:53:47)
* @param content 内容
* @return String 返回Javascript代码的加密形式
*/
public static String encrypted(String content){
String s = STYLE.get("DW")+"(unescape('" + stringToUnicode(content) + "'));";
return JSCodeConfuser(s);
}
/**
* 加密重载
* @author 李英夫(2010-6-7 下午02:00:53)
* @param content 内容
* @param style 方式
* @return String 返回Javascript代码的加密形式,
* @throws Exception String
*/
private static String encrypted(String content, String style)throws Exception{
if(null == STYLE.get(style)) throw new Exception("this style,"+style+",is not unavailable!");
String s = STYLE.get(style)+"(unescape('" + stringToUnicode(content) + "'));";
return JSCodeConfuser(s);
}
public static void main(String[] args)throws Exception{
// /**
// * 问题代码
// */
//// String chinese = "<pre> public static String UnicodeToString(String str) {"
//// +"Pattern pattern = Pattern.compile(\"\\\");"
//// +"Matcher matcher = pattern.matcher(str);//这是一个注释，。！~·！#￥%……——*（）"
//// +"char ch;//这是一个注释ㄆㄊㄍㄐㄗぬねノハヒ】〈〕》〗）］｛』」＇＂∶‖～々”“’‘｀｜＇〃"
//// +"while (matcher.find()) {//这是一个注释 "
//// +"ch = (char) Integer.parseInt(matcher.group(2), 16);//这是一个注释"
//// +"str = str.replace(matcher.//这是一个注释group(1), ch + \");//这是一个注释"
//// +"}"
//// +"return str;"
//// +"}</pre>";
String chinese ="<li> A. 慢性肾小球肾炎肾病型</li><li> B. 慢性肾炎晚期</li><li> C. 慢性肾炎急性发作</li><li> D. 间质性肾炎</li><li> E. 肾肿瘤</li>";
System.out.println(encrypted(chinese));
}
}
