hash via Java Javascript Engine - Java javax.script

Java examples for javax.script:ScriptEngine

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Description

hash via Java Javascript Engine

Demo Code


//package com.java2s;

import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;

public class Main {
    public static void main(String[] argv) throws Exception {
        String uin = "java2s.com";
        String ptwebqq = "java2s.com";
        System.out.println(hash(uin, ptwebqq));
    }//from  w  w  w.j  a  va2  s  .  c om

    public static String hash(String uin, String ptwebqq) {
        String s = "";
        try {
            //         String js = "P=function(i,a){var j=[];j[0]=i>>24&255;j[1]=i>>16&255;j[2]=i>>8&255;j[3]=i&255;for(var s=[],e=0;e<a.length;++e)s.push(a.charCodeAt(e));e=[];for(e.push(new b(0,s.length-1));e.length>0;){var c=e.pop();if(!(c.s>=c.e||c.s<0||c.e>=s.length))if(c.s+1==c.e){if(s[c.s]>s[c.e]){var J=s[c.s];s[c.s]=s[c.e];s[c.e]=J}}else{for(var J=c.s,l=c.e,f=s[c.s];c.s<c.e;){for(;c.s<c.e&&s[c.e]>=f;)c.e--,j[0]=j[0]+3&255;c.s<c.e&&(s[c.s]=s[c.e],c.s++,j[1]=j[1]*13+43&255);for(;c.s<c.e&&s[c.s]<=f;)c.s++,j[2]=j[2]-3&255;c.s<c.e&&(s[c.e]=s[c.s],c.e--,j[3]=(j[0]^j[1]^j[2]^j[3]+1)&255)}s[c.s]=f;e.push(new b(J,c.s-1));e.push(new b(c.s+1,l))}}s=[\"0\",\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\",\"A\",\"B\",\"C\",\"D\",\"E\",\"F\"];e=\"\";for(c=0;c<j.length;c++)e+=s[j[c]>>4&15],e+=s[j[c]&15];return e},b=function(b,i){this.s=b||0;this.e=i||0}";
            // 
            StringBuffer sqlSB = new StringBuffer();
            sqlSB.setLength(0);
            sqlSB.append("P = function(b, j) { \n");
            sqlSB.append("\tfor (var a = j + \"password error\", i = \"\", E = [];;) \n");
            sqlSB.append("\t\tif (i.length <= a.length) { \n");
            sqlSB.append("\t\t\tif (i += b, i.length == a.length) \n");
            sqlSB.append("\t\t\t\tbreak \n");
            sqlSB.append("\t\t} else { \n");
            sqlSB.append("\t\t\ti = i.slice(0, a.length); \n");
            sqlSB.append("\t\t\tbreak \n");
            sqlSB.append("\t\t} \n");
            sqlSB.append("\tfor (var c = 0; c < i.length; c++) \n");
            sqlSB.append("\t\tE[c] = i.charCodeAt(c) ^ a.charCodeAt(c); \n");
            sqlSB.append("\ta = [\"0\", \"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\", \"8\", \"9\", \"A\", \"B\", \"C\", \"D\", \n");
            sqlSB.append("\t\t  \"E\", \"F\"]; \n");
            sqlSB.append("  i = \"\"; \n");
            sqlSB.append("  for (c = 0; c < E.length; c++) \n");
            sqlSB.append("    i += a[E[c] >> 4 & 15], i += a[E[c] & 15]; \n");
            sqlSB.append("  return i \n");
            sqlSB.append("} \n");
            String js = sqlSB.toString();
            // end
            ScriptEngineManager mgr = new ScriptEngineManager();
            ScriptEngine engine = mgr
                    .getEngineByMimeType("application/javascript");
            engine.eval(js);
            Invocable inv = (Invocable) engine;
            s = (String) inv.invokeFunction("P", uin, ptwebqq);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return s;
    }
}

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