通过反编译得到 优酷视频 真实地址

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class Main
{

public static void main(String []a) throws Exception
{
//目前只支持 地址 带有 v_show 的网页
String htmlUrl = "http://v.youku.com/v_show/id_XMzgwMzQzNzM2.html";//视频页面地址
//截取 id f17333950o1p0
String htmlUrlId = htmlUrl.substring(htmlUrl.lastIndexOf("/")+4, htmlUrl.length()-5);
//取得返回的 json数据
String json = Main.getInputHtml("http://v.youku.com/player/getPlayList/VideoIDS/"+htmlUrlId);

JSONObject jsobj = new JSONObject(json);
JSONArray jsonarr = jsobj.getJSONArray("data");
JSONObject obj1 = jsonarr.getJSONObject(0);
double seed = obj1.getDouble("seed");
JSONObject obj2 = obj1.getJSONObject("streamfileids");
String mp4id = null;
String flvid = null;
String format = null;
try
{
mp4id = obj2.getString("mp4");
format = "mp4";
} catch (JSONException e)
{
System.out.println("没有MP4格式");
try
{
flvid = obj2.getString("flv");
format = "flv";
} catch (JSONException e1)
{
System.out.println("没有FLV格式");
return;
}
}
//
String realfileid = null;
if (format.equals("mp4"))
{
realfileid = getFileID(mp4id, seed);
} else
{
realfileid = getFileID(flvid, seed);
}
String idLeft = realfileid.substring(0, 8);
String idRight = realfileid.substring(10);
//
String sid = genSid();
JSONObject obj3 = obj1.getJSONObject("segs");
JSONArray mp4arr = obj3.getJSONArray(format);
for (int i = 0; i < mp4arr.length(); i++)
{
JSONObject o = mp4arr.getJSONObject(i);
String k = o.getString("k");
String url = "http://f.youku.com/player/getFlvPath/sid/" + sid + "_" + String.format("%1$02X", i) + "/st/" + format
+ "/fileid/" + idLeft + String.format("%1$02X", i) + idRight + "?K=" + k;
System.out.println(url);
}

}

private static String getFileID(String fileid, double seed)
{
String mixed = getFileIDMixString(seed);
String[] ids = fileid.split("\\*");
StringBuilder realId = new StringBuilder();
int idx;
for (int i = 0; i < ids.length; i++)
{
idx = Integer.parseInt(ids);
realId.append(mixed.charAt(idx));
}
return realId.toString();
}

public static String genSid()
{
int i1 = (int) (1000 + Math.floor(Math.random() * 999));
int i2 = (int) (1000 + Math.floor(Math.random() * 9000));
return System.currentTimeMillis() + "" + i1 + "" + i2;
}

private static String getFileIDMixString(double seed)
{
StringBuilder mixed = new StringBuilder();
StringBuilder source = new StringBuilder("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\\:._-1234567890");
int index, len = source.length();
for (int i = 0; i < len; ++i)
{
seed = (seed * 211 + 30031) % 65536;
index = (int) Math.floor(seed / 65536 * source.length());
mixed.append(source.charAt(index));
source.deleteCharAt(index);
}
return mixed.toString();
}
public static String getInputHtml(String urlStr)
{
URL url = null;
try
{
url = new URL(urlStr);
HttpURLConnection httpsURLConnection = (HttpURLConnection) url.openConnection();
httpsURLConnection.setRequestMethod("GET");
httpsURLConnection.setConnectTimeout(5 * 1000);
if (httpsURLConnection.getResponseCode() == 200) {
// 通过输入流获取网络图片
InputStream inputStream = httpsURLConnection.getInputStream();
byte[] data = readInputStream(inputStream);
inputStream.close();
return new String(data, "UTF-8");
}

}
catch (Exception e)
{

// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
return null;
}
public static byte[] readInputStream(InputStream inputStream) throws Exception
{
// 定义一个输出流向内存输出数据
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
// 定义一个缓冲区
byte[] buffer = new byte[1024];
// 读取数据长度
int len = 0;
// 当取得完数据后会返回一个-1
while ((len = inputStream.read(buffer)) != -1)
{
// 把缓冲区的数据 写到输出流里面
byteArrayOutputStream.write(buffer, 0, len);
}
byteArrayOutputStream.close();
// 得到数据后返回
return byteArrayOutputStream.toByteArray();
}

}
结果