JAVA版的JS代码加密器

package blog.csdn.net.cxy1238.jsencoder; import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; import javax.script.ScriptException; /** * JS加密器 * @author 陈星宇 cxy-1238@163.com * http://blog.csdn.net/cxy1238 */ public class JSEncodeHelper { /** * JAVASCRIPT加密 * @param inputJS 需要加密的JS代码 * @return 加密后的JS代码 * @throws Exception */ public static String encoder(String inputJS) throws Exception { ScriptEngineManager manager = new ScriptEngineManager(); ScriptEngine jsEngine; //js引擎 jsEngine = manager.getEngineByExtension("js"); try { jsEngine.put("inputhtml", inputJS); jsEngine.eval(getEncodeVer()); jsEngine.eval("encode()"); if("true".equals(jsEngine.get("runstatus").toString())) { return jsEngine.get("outputhtml").toString(); } } catch (ScriptException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } /** * 加密器核心代码 * @return */ private final static String getEncodeVer() { StringBuffer strb=new StringBuffer(); strb.append("var l=function(x)"); strb.append("\n"); strb.append("{"); strb.append("\n"); strb.append("return String.fromCharCode(x);"); strb.append("\n"); strb.append("}"); strb.append("\n"); strb.append("O=function(m)"); strb.append("\n"); strb.append("{"); strb.append("\n"); strb.append("return String.fromCharCode(Math.floor(m/10000)/99);"); strb.append("\n"); strb.append("} "); strb.append("\n"); strb.append("var runstatus = false;"); strb.append("\n"); strb.append("var encodedrv = \"Olllll=\\\"(\\\";OOOlll=\\\")\\\";OOOOll=\\\" \\\";OOllll=\\\"x\\\";OOOOOl=\\\"r\\\";OOOOOOOll=\\\"S\\\";OOOOOO=\\\"i\\\";OOOOlOOll=\\\"t\\\";OOOOOOO=\\\"n\\\";OOOOOlll=\\\"i\\\";OOOOOOOO=\\\"g\\\";lllOllll=\\\"o\\\";OOOOOOll=\\\"t\\\";OOOOllll=\\\"o\\\";OOOlllll=\\\"n\\\";llllOlll=\\\"d\\\";lllllOll=\\\"e\\\";llOlllll=\\\"C\\\";lllllOOl=\\\"x\\\";llllOOll=\\\")}\\\";lllOOlll=\\\"C\\\";llOOllll=\\\"h\\\";llllllOl=\\\"(\\\";lOOlllll=\\\"a\\\";LOOOllll=\\\"r\\\";lllOOOll=\\\"n\\\";llOOOlll=\\\"f\\\";lOOOllll=\\\"u\\\";llllOOOl=\\\"c\\\";OOllllll=\\\"f\\\";llOOOOll=\\\".\\\";lllOOOOl=\\\" l = \\\";lOOOOlll=\\\"r\\\";lOOOOOll=\\\"o\\\";llOOOOOl=\\\"m\\\";lOOOOOOl=\\\"{r\\\";llOOOOOOl=\\\"e\\\";lOlOOOOOl=\\\"t\\\";lOOlOOOOl=\\\"u\\\";lOOOlOOOl=\\\"r\\\";lOOOOlOOl=\\\"n\\\";lOOOOOlOl=\\\"v\\\";lOOOOOOll=\\\"a\\\";lOOOOOLll=\\\"r\\\";eval(lOOOOOlOl+lOOOOOOll+lOOOOOLll+lllOOOOl+llOOOlll+lOOOllll+lllOOOll+llllOOOl+OOOOOOll+OOOOOlll+OOOOllll+OOOlllll+Olllll+OOllll+OOOlll+lOOOOOOl+llOOOOOOl+lOlOOOOOl+lOOlOOOOl+lOOOlOOOl+lOOOOlOOl+OOOOll+OOOOOOOll+OOOOlOOll+OOOOOl+OOOOOO+OOOOOOO+OOOOOOOO+llOOOOll+OOllllll+lOOOOlll+lOOOOOll+llOOOOOl+lllOOlll+llOOllll+lOOlllll+LOOOllll+llOlllll+lllOllll+llllOlll+lllllOll+llllllOl+lllllOOl+llllOOll);eval(l(79)+l(61)+l(102)+l(117)+l(110)+l(99)+l(116)+l(105)+l(111)+l(110)+l(40)+l(109)+l(41)+l(123)+l(114)+l(101)+l(116)+l(117)+l(114)+l(110)+l(32)+l(83)+l(116)+l(114)+l(105)+l(110)+l(103)+l(46)+l(102)+l(114)+l(111)+l(109)+l(67)+l(104)+l(97)+l(114)+l(67)+l(111)+l(100)+l(101)+l(40)+l(77)+l(97)+l(116)+l(104)+l(46)+l(102)+l(108)+l(111)+l(111)+l(114)+l(40)+l(109)+l(47)+l(49)+l(48)+l(48)+l(48)+l(48)+l(41)+l(47)+l(57)+l(57)+l(41)+l(59)+l(125));\";"); strb.append("\n"); strb.append("function addonum(i)"); strb.append("\n"); strb.append("{"); strb.append("\n"); strb.append("encodenum = inputhtml.charCodeAt(i) * 990000 + Math.floor(Math.random()*10000);"); strb.append("\n"); strb.append("outputhtml += \"+O(\" + encodenum + \")\";"); strb.append("\n"); strb.append("if(i==codesize-1)"); strb.append("\n"); strb.append("{result()}"); strb.append("\n"); strb.append("i += 1;"); strb.append("\n"); strb.append("if(i<codesize)"); strb.append("\n"); strb.append("{"); strb.append("\n"); strb.append("addonum(i);}"); strb.append("\n"); strb.append("}"); strb.append("\n"); strb.append("function result()"); strb.append("\n"); strb.append("{"); strb.append("\n"); strb.append("outputhtml = \"eval(\\\"\\\"\" + outputhtml + \");\";"); strb.append("\n"); strb.append("outputhtml = encodedrv + outputhtml;"); strb.append("\n"); strb.append("runstatus = true;"); strb.append("\n"); strb.append("}"); strb.append("\n"); strb.append("function encode()"); strb.append("\n"); strb.append("{"); strb.append("\n"); strb.append("codesize = inputhtml.length;"); strb.append("\n"); strb.append("outputhtml = \"\";"); strb.append("\n"); strb.append("if(inputhtml==\"\")"); strb.append("\n"); strb.append("{"); strb.append("\n"); strb.append("return;"); strb.append("\n"); strb.append("}"); strb.append("\n"); strb.append("if(inputhtml.indexOf(\"l(111)+l(111)+l(114)\")!=-1)"); strb.append("\n"); strb.append("{"); strb.append("\n"); strb.append("return;"); strb.append("\n"); strb.append("}"); strb.append("\n"); strb.append("addonum(0);"); strb.append("\n"); strb.append("}"); strb.append("\n"); return strb.toString(); } }