酷狗krc解密过程 as代码

package KugouPlayer.KRC {

import flash.events.*;

import flash.utils.*;

import KugouPlayer.Download.*;

public class KrcDirectDown {

private var successfun:Function;

private var errorfun:Function;

public var myLyric:Object;

private var newkeyBytes:Array;

private var _httpReq:HttpRequest;

public function KrcDirectDown(_arg1:Function, _arg2:Function){

this.newkeyBytes = [64, 71, 97, 119, 94, 50, 116, 71, 81, 54, 49, 45, 206, 210, 110, 105];

super();

this._httpReq = new HttpRequest();

this.successfun = _arg1;

this.errorfun = _arg2;

}

public function Load(_arg1:String, _arg2:int, _arg3:String):void{

trace(((((("Load!======加载歌词==========" + _arg1) + ",") + _arg2) + ",") + _arg3));

var _local4:String = KRCGlobalConfig.krcDwonURL;

_local4 = (_local4 + ("?keyword=" + escape(_arg1)));

_local4 = (_local4 + ("&timelength=" + _arg2));

_local4 = (_local4 + ("&type=" + 1));

_local4 = (_local4 + ("&cmd=" + 200));

_local4 = (_local4 + ("&time=" + new Date().getTime()));

_local4 = (_local4 + ("&hash=" + _arg3));

this.myLyric = new Object();

this.myLyric.type = 1;

this._httpReq.Get(_local4, this.loaderCompleteHandler, this.error2Handler, HttpRequest.BINARY);

}

public function loaderCompleteHandler(_arg1:ByteArray):void{

var result:* = _arg1;

trace(("loaderCompleteHandler result==" + result.length));

var krcBytes:* = new ByteArray();

result.position = 4;

result.readBytes(krcBytes);

var l:* = krcBytes.length;

var i:* = 0;

while (i < l) {

krcBytes[i] = (krcBytes[i] ^ this.newkeyBytes[(i % this.newkeyBytes.length)]);

i = (i + 1);

};

try {

krcBytes.uncompress();

} catch(error:SecurityError) {

errorfun("uncompressError");

return;

};

krcBytes.position = 0;

this.myLyric.dataStr = krcBytes.readUTFBytes(krcBytes.length);

trace(("loaderCompleteHandler==" + this.myLyric.dataStr));

this.successfun();

}

public function error2Handler(_arg1:String):void{

trace("歌词下载出错error2Handler");

this.errorfun("downError");

}

}

}//package KugouPlayer.KRC