// ==UserScript==
// @name         open163_download
// @namespace    zt
// @version      0.1
// @description  download subtitle and video in netease open163
// @author       zt
// @include      http://*.163.com/movie/*
// @include      http://*.163.com/special/*
// ==/UserScript==
var debug = true;
var xbug = debug ? console.debug.bind(console) : function(){},
xlog = debug ? console.log.bind(console) : function(){};
function insertAfter( newElement, targetElement ){ // newElement是要追加的元素 targetElement 是指定元素的位置
var parent = targetElement.parentNode; // 找到指定元素的父节点
if( parent.lastChild == targetElement ){ // 判断指定元素的是否是节点中的最后一个位置 如果是的话就直接使用appendChild方法
parent.appendChild( newElement, targetElement );
}else{
parent.insertBefore( newElement, targetElement.nextSibling );
}
}
//获得视频，字幕链接
function geturl(url,doc,callback){
//var lc = location,url = location.href,doc = document;
var piece_url = url.split('/');
//xbug(doc);
var scripts = doc.getElementsByTagName("script");
//xbug(scripts);
var curmovieappsrc = null;
for(var i=0;i<scripts.length;i++){
if(scripts[i].textContent == ""){
continue;
}
var re= /(http:\/\/mov\.bn\.netease\.com\/open\-movie\/nos+[^']*)/i;
temp = re.exec(scripts[i].textContent);
//xbug(temp);
if(temp != null)
curmovieappsrc = temp[0];
}
//xbug(curmovieappsrc);
//var curmovie = openCourse.getCurrentMovie();
//var curmovieappsrc = curmovie.appsrc;
var curmovieflv = "";
curmovieflv = curmovieappsrc.replace(".m3u8",".flv").replace("mp4","flv");
var lenofpurl = piece_url.length;
piece_url[lenofpurl-1] = "2_" + piece_url[lenofpurl-1].split(".")[0] + ".xml";
var xml_url = "http://live.ws.126.net/movie/" + piece_url.slice(lenofpurl-3).join("/");
//xbug(curmovieflv);
//xbug(xml_url);
var zh_srt = "";
var en_srt = "";
GM_xmlhttpRequest({
method: 'GET',
url: xml_url,
onload: function(res){
var xmldoc = "";
if(res.status==200){
// For Firefox
xmldoc = new DOMParser().parseFromString(res.responseText, 'text/html');
// For Chrome
if(xmldoc == undefined){
xmldoc = doc.implementation.createHTMLDocument("");
xmldoc.querySelector('html').innerHTML = res.responseText;
}
//xbug(xmldoc);
var all = xmldoc.getElementsByTagName("all")[0];
//xbug(all);
var subs = all.getElementsByTagName("subs")[0].childNodes;
//xbug(subs);
for(var i=0;i<subs.length;i++){
var name = subs[i].getElementsByTagName("name")[0].textContent;
if(name == "中文")
zh_srt = subs[i].getElementsByTagName("url")[0].textContent;
if(name == "英文")
en_srt = subs[i].getElementsByTagName("url")[0].textContent;
}
//xbug(curmovieflv);
callback(curmovieflv,zh_srt,en_srt);
}
}
});
}
//获得单独视频页面
function getmovpage(movurlt,doc,callback){
//xbug(movurlt);
GM_xmlhttpRequest({
method: 'GET',
url: movurlt,
onload: function(res){
if(res.status==200){
// For Firefox
var movdoc = new DOMParser().parseFromString(res.responseText, 'text/html');
// For Chrome
if(movdoc == undefined){
movdoc = doc.implementation.createHTMLDocument("");
movdoc.querySelector('html').innerHTML = res.responseText;
}
//xbug(movdoc);
callback(movdoc);
}
}
});
}
//在课程的页面插入
function insert2(curmovieflv,zh_srt,en_srt,insertplace,doc){
if(en_srt != ""){
var ensrt = doc.createElement("a");
ensrt.innerHTML = '<a href="' + en_srt + '"><em class="f-cgreen"> 英文</em></a>';
insertAfter(ensrt, insertplace.nextSibling);
}
if(zh_srt != ""){
var zhsrt = doc.createElement("a");
zhsrt.innerHTML = '<a href="' + zh_srt + '"><em class="f-cgreen"> 中文</em></a>';
insertAfter(zhsrt, insertplace.nextSibling);
}
if(curmovieflv != ""){
c = count+1;
var flv = doc.createElement("a");
flv.innerHTML = '<a href="' + curmovieflv + '"><em class="f-cgreen"> 视频'+'</em></a>';
insertAfter(flv, insertplace.nextSibling);
}
}
//在单独的视频页面插入
function insert(curmovieflv,zh_srt,en_srt,insertplace,doc){
if(en_srt != ""){
var ensrt = doc.createElement("span");
ensrt.className = "f-fl intro f-pr";
ensrt.innerHTML = '<a href="' + en_srt + '"><em class="f-cgreen"> 英文</em></a>';
insertAfter(ensrt, insertplace.nextSibling);
}
if(zh_srt != ""){
var zhsrt = doc.createElement("span");
zhsrt.className = "f-fl intro f-pr";
zhsrt.innerHTML = '<a href="' + zh_srt + '"><em class="f-cgreen"> 中文</em></a>';
insertAfter(zhsrt, insertplace.nextSibling);
}
if(curmovieflv != ""){
var flv = doc.createElement("span");
flv.className = "f-fl intro f-pr";
flv.innerHTML = '<a href="' + curmovieflv + '"><em class="f-cgreen"> 视频</em></a>';
xbug(curmovieflv);
insertAfter(flv, insertplace.nextSibling);
}
}
var count = 0;
var ahref = new Array();
var movurl = new Array();
var timer = null;
//请求单独视频页面，得到视频字幕链接，然后插入
function sentMsg(){
if(count < movurl.length){
//xbug("c",count,"c");
getmovpage(movurl[count],document,function(movdoc){
//xbug("h",count,"h");
//xbug(movurl[count]);
geturl(movurl[count],movdoc,function(curmovieflv,zh_srt,en_srt){
//xbug(movdoc);
insert2(curmovieflv,zh_srt,en_srt,ahref[count],document);
count++;
});
});
//sleep(5000);
}else {
clearInterval(timer);
}
}
function sleep(n) {
var start = new Date().getTime();
while(true)  if(new Date().getTime()-start > n) break;
}
//处理课程页面
function processspecialpage(url,doc){
var list1 = doc.getElementById("list1");
var list2 = doc.getElementById("list2");
var list1tr = list1.getElementsByTagName("tr");
var list2tr = list2.getElementsByTagName("tr");
var listtr = new Array();
var i;
for(i = 0;i<list1tr.length;i++){
listtr[i] = list1tr[i];
}
for(;i<list1tr.length+list2tr.length;i++){
listtr[i]=list2tr[i-list1tr.length];
}
var j = 0;
for(i=0;i<listtr.length;i++){
if(listtr[i].getAttribute("class") == null)
continue;
//xbug(i);
if(listtr[i].getAttribute("class")=="u-even" || listtr[i].getAttribute("class")=="u-odd"){
ahref[j] = listtr[i].getElementsByTagName("a")[0];
//xbug(ahref);
movurl[j] = ahref[j].getAttribute("href");
j++;
//xbug(movurl[i]);
//xbug("hi",i,"hi");
}
}
//xbug(movurl);
count = 0;
timer = setInterval(sentMsg,3000);
}
//处理单独视频页面
function processmoviepage(url,doc){
geturl(url,doc,function(curmovieflv,zh_srt,en_srt){
//xbug(flvandsrt);
var spantags = doc.getElementsByTagName("span");
//xbug(spantags);
var intro = null;
for(i=0;i<spantags.length;i++){
if(spantags[i].getAttribute("class") == null)
continue;
//xbug(spantags[i].getAttribute("class"));
if (spantags[i].getAttribute("class") == "f-fl intro f-c6 f-pr j-hoverdown") {
intro=spantags[i];
break;
}
}
//xbug(intro);
if(intro == null)
return;
insert(curmovieflv,zh_srt,en_srt,intro,doc);
});
}
function open163(){
var lc = location,url = location.href,doc = document;
if(url.indexOf("special/") >= 0){
processspecialpage(url,doc);
}
else{
processmoviepage(url,doc);
}
}
open163();