爬取各类资源
目前為
// ==UserScript==
// @name 学习强国爬取助手
// @namespace http://tampermonkey.net/
// @version 0.6
// @description 爬取各类资源
// @author 琴梨梨
// @match *://www.xuexi.cn/*
// @match *://boot-source.xuexi.cn/newmoocdown?*
// @match *://boot-source.xuexi.cn/audiodown?*
// @icon https://www.xuexi.cn/favicon.ico
// @grant none
// @run-at document-idle
// @license Anti 996 License
// ==/UserScript==
(async function() {
'use strict';
//共享库
var SakiProgress = {
isLoaded: false,
progres: false,
pgDiv: false,
textSpan: false,
first: false,
alertMode: false,
init: function (color) {
if (!this.isLoaded) {
this.isLoaded = true;
console.info("SakiProgress Initializing!\nVersion:1.0.3\nQinlili Tech:Github@qinlili23333");
this.pgDiv = document.createElement("div");
this.pgDiv.id = "pgdiv";
this.pgDiv.style = "z-index:9999;position:fixed;background-color:white;min-height:32px;width:auto;height:32px;left:0px;right:0px;top:0px;box-shadow:0px 2px 2px 1px rgba(0, 0, 0, 0.5);transition:opacity 0.5s;display:none;";
this.pgDiv.style.opacity = 0;
this.first = document.body.firstElementChild;
document.body.insertBefore(this.pgDiv, this.first);
this.first.style.transition = "margin-top 0.5s"
this.progress = document.createElement("div");
this.progress.id = "dlprogress"
this.progress.style = "position: absolute;top: 0;bottom: 0;left: 0;background-color: #F17C67;z-index: -1;width:0%;transition: width 0.25s ease-in-out,opacity 0.25s,background-color 1s;"
if (color) {
this.setColor(color);
}
this.pgDiv.appendChild(this.progress);
this.textSpan = document.createElement("span");
this.textSpan.style = "padding-left:4px;font-size:24px;";
this.textSpan.style.display = "inline-block"
this.pgDiv.appendChild(this.textSpan);
var css = ".barBtn:hover{ background-color: #cccccc }.barBtn:active{ background-color: #999999 }";
var style = document.createElement('style');
if (style.styleSheet) {
style.styleSheet.cssText = css;
} else {
style.appendChild(document.createTextNode(css));
}
document.getElementsByTagName('head')[0].appendChild(style);
console.info("SakiProgress Initialized!");
} else {
console.error("Multi Instance Error-SakiProgress Already Loaded!");
}
},
destroy: function () {
if (this.pgDiv) {
document.body.removeChild(this.pgDiv);
this.isLoaded = false;
this.progres = false;
this.pgDiv = false;
this.textSpan = false;
this.first = false;
console.info("SakiProgress Destroyed!You Can Reload Later!");
}
},
setPercent: function (percent) {
if (this.progress) {
this.progress.style.width = percent + "%";
} else {
console.error("Not Initialized Error-Please Call `init` First!");
}
},
clearProgress: function () {
if (this.progress) {
this.progress.style.opacity = 0;
setTimeout(function () { SakiProgress.progress.style.width = "0%"; }, 500);
setTimeout(function () { SakiProgress.progress.style.opacity = 1; }, 750);
} else {
console.error("Not Initialized Error-Please Call `init` First!")
}
},
hideDiv: function () {
if (this.pgDiv) {
if (this.alertMode) {
setTimeout(function () {
SakiProgress.pgDiv.style.opacity = 0;
SakiProgress.first.style.marginTop = "";
setTimeout(function () {
SakiProgress.pgDiv.style.display = "none";
}, 500);
}, 3000);
} else {
this.pgDiv.style.opacity = 0;
this.first.style.marginTop = "";
setTimeout(function () {
SakiProgress.pgDiv.style.display = "none";
}, 500);
}
}
else {
console.error("Not Initialized Error-Please Call `init` First!");
}
},
showDiv: function () {
if (this.pgDiv) {
this.pgDiv.style.display = "";
setTimeout(function () { SakiProgress.pgDiv.style.opacity = 1; }, 10);
this.first.style.marginTop = (this.pgDiv.clientHeight + 8) + "px";
}
else {
console.error("Not Initialized Error-Please Call `init` First!");
}
},
setText: function (text) {
if (this.textSpan) {
if (this.alertMode) {
setTimeout(function () {
if (!SakiProgress.alertMode) {
SakiProgress.textSpan.innerText = text;
}
}, 3000);
} else {
this.textSpan.innerText = text;
}
}
else {
console.error("Not Initialized Error-Please Call `init` First!");
}
},
setTextAlert: function (text) {
if (this.textSpan) {
this.textSpan.innerText = text;
this.alertMode = true;
setTimeout(function () { this.alertMode = false; }, 3000);
}
else {
console.error("Not Initialized Error-Please Call `init` First!");
}
},
setColor: function (color) {
if (this.progress) {
this.progress.style.backgroundColor = color;
}
else {
console.error("Not Initialized Error-Please Call `init` First!");
}
},
addBtn: function (img) {
if (this.pgDiv) {
var btn = document.createElement("img");
btn.style = "display: inline-block;right:0px;float:right;height:32px;width:32px;transition:background-color 0.2s;"
btn.className = "barBtn"
btn.src = img;
this.pgDiv.appendChild(btn);
return btn;
}
else {
console.error("Not Initialized Error-Please Call `init` First!");
}
},
removeBtn: function (btn) {
if (this.pgDiv) {
if (btn) {
this.pgDiv.removeChild(btn);
}
}
else {
console.error("Not Initialized Error-Please Call `init` First!");
}
}
}
var XHRDL = {
isLoaded: false,
dlList: [],
listBtn: false,
listDiv: false,
listBar: false,
clsBtn: false,
init: function () {
if (!this.isLoaded) {
console.info("WebXHRDL Initializing!\nVersion:Preview0.1.0\nQinlili Tech:Github@qinlili23333")
try {
SakiProgress.init();
} catch{
console.error("Initialize Failed!Is SakiProgress Loaded?")
return false;
}
this.isLoaded = true;
this.listBtn = SakiProgress.addBtn("data:image/svg+xml;base64,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");
this.listBtn.onclick = XHRDL.showList;
SakiProgress.showDiv();
SakiProgress.setText("初始化下载器...");
SakiProgress.setPercent(20);
this.listDiv = document.createElement("div");
this.listDiv.style = "z-index:9999;position:fixed;background-color:white;width:auto;margin-top:32px;height:100%;left:0px;right:0px;top:0px;transition:opacity 0.5s;display:none;";
this.listDiv.style.opacity = 0;
this.listBar = document.createElement("div");
this.listBar.style = "z-index:10000;position:fixed;background-color:white;min-height:32px;margin-top:32px;width:auto;height:32px;left:0px;right:0px;top:0px;box-shadow:0px 2px 2px 1px rgba(0, 0, 0, 0.5);";
this.listDiv.appendChild(this.listBar);
document.body.appendChild(this.listDiv);
var btn = document.createElement("img");
btn.style = "display: inline-block;right:0px;float:right;height:32px;width:32px;transition:background-color 0.2s;"
btn.className = "barBtn"
btn.src = "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGVuYWJsZS1iYWNrZ3JvdW5kPSJuZXcgMCAwIDI0IDI0IiBoZWlnaHQ9IjQ4cHgiIHZpZXdCb3g9IjAgMCAyNCAyNCIgd2lkdGg9IjQ4cHgiIGZpbGw9IiMwMDAwMDAiPjxyZWN0IGZpbGw9Im5vbmUiIGhlaWdodD0iMjQiIHdpZHRoPSIyNCIvPjxwYXRoIGQ9Ik0yMiwzLjQxbC01LjI5LDUuMjlMMjAsMTJoLThWNGwzLjI5LDMuMjlMMjAuNTksMkwyMiwzLjQxeiBNMy40MSwyMmw1LjI5LTUuMjlMMTIsMjB2LThINGwzLjI5LDMuMjlMMiwyMC41OUwzLjQxLDIyeiIvPjwvc3ZnPg==";
this.listBar.appendChild(btn);
btn.onclick = function () {
XHRDL.hideList();
}
this.clsBtn = btn;
SakiProgress.setPercent(100);
SakiProgress.setText("下载器已加载！");
setTimeout(function () { SakiProgress.clearProgress(); SakiProgress.hideDiv(); }, 1000);
console.info("WebXHRDL Initialized!");
} else {
console.error("Multi Instance Error-WebXHRDL Already Loaded!")
}
},
destroy: function (saki) {
if (this.isLoaded) {
if (saki) {
SakiProgress.destroy();
}
this.isLoaded = false;
this.dlList = [];
this.listBtn = false;
this.listDiv = false;
this.listBar = false;
this.clsBtn = false;
console.info("WebXHRDL Destroyed!You Can Reload Later!");
}
},
showList: function () {
if (XHRDL.isLoaded) {
XHRDL.listDiv.style.display = "";
setTimeout(function () { XHRDL.listDiv.style.opacity = 1; }, 10);
} else {
console.error("Not Initialized Error-Please Call `init` First!")
}
},
hideList: function () {
if (XHRDL.isLoaded) {
XHRDL.listDiv.style.opacity = 0;
setTimeout(function () { XHRDL.listDiv.style.display = "none"; }, 500);
} else {
console.error("Not Initialized Error-Please Call `init` First!")
}
},
saveTaskList: function () {
if (XHRDL.isLoaded) {
var storage = window.localStorage;
storage.setItem("XHRDL_List", JSON.stringify(this.dlList));
} else {
console.error("Not Initialized Error-Please Call `init` First!")
}
},
loadTaskList: function () {
if (XHRDL.isLoaded) {
var storage = window.localStorage;
this.dlList = JSON.parse(storage.getItem("XHRDL_List"));
} else {
console.error("Not Initialized Error-Please Call `init` First!")
}
},
newTask: function (url, name) {
if (this.isLoaded) {
var list = this.dlList;
list[list.length] = {
taskUrl: url,
fileName: name
}
SakiProgress.showDiv();
SakiProgress.setText("已添加新任务：" + name);
if (!this.DLEngine.isWorking) {
this.DLEngine.start();
}
} else {
console.error("Not Initialized Error-Please Call `init` First!")
}
},
DLEngine: {
isWorking: false,
start: function () {
if (!this.isWorking) {
console.info("Start WebXHRDL Engine...\nChecking Tasks...");
this.isWorking = true;
SakiProgress.showDiv();
this.dlFirstFile();
} else {
console.error("WebXHRDL Engine Already Started!");
}
},
stop: function () {
this.isWorking = false;
SakiProgress.hideDiv();
SakiProgress.setText("");
if (XHRDL.dlList[0]) {
console.info("All Tasks Done!WebXHRDL Engine Stopped!");
} else {
console.info("WebXHRDL Engine Stopped!Tasks Paused!");
}
},
dlFirstFile: function () {
var taskInfo = XHRDL.dlList[0];
SakiProgress.showDiv();
SakiProgress.setPercent(0);
SakiProgress.setText("正在下载" + taskInfo.fileName);
var xhr = new XMLHttpRequest();
xhr.responseType = "blob";
xhr.onprogress = event => {
if (event.loaded && event.total) {
var percent = String(Number(event.loaded) / Number(event.total) * 100).substring(0, 4);
SakiProgress.setText(taskInfo.fileName + "已下载" + percent + "%");
SakiProgress.setPercent(percent)
}
};
xhr.onload = event => {
if (xhr.readyState === 4) {
if (xhr.status === 200) {
var bloburl = URL.createObjectURL(xhr.response);
SakiProgress.setText("正在写出" + taskInfo.fileName);
var a = document.createElement('a');
var filename = taskInfo.fileName;
a.href = bloburl;
a.download = filename;
a.click();
window.URL.revokeObjectURL(bloburl);
SakiProgress.clearProgress();
XHRDL.dlList.splice(0, 1);
XHRDL.DLEngine.checkNext();
} else {
//TODO:支持更多特殊状态处理
SakiProgress.setTextAlert(taskInfo.fileName + "暂不支持下载，跳过");
XHRDL.dlList.splice(0, 1);
XHRDL.DLEngine.checkNext();
}
}
}
xhr.onerror = function (e) {
//TODO:支持处理不同类别出错
if(!taskInfo.errorRetry){
SakiProgress.setTextAlert(taskInfo.fileName + "下载失败，置入列尾等待重试");
taskInfo.errorRetry = true;
var list = XHRDL.dlList;
list[list.length] = taskInfo;
}else{
SakiProgress.setTextAlert(taskInfo.fileName + "下载又失败了，放弃");
}
XHRDL.dlList.splice(0, 1);
XHRDL.DLEngine.checkNext();
}
xhr.open('GET', taskInfo.taskUrl)
xhr.send()
},
checkNext: function () {
if (XHRDL.dlList[0]) {
this.dlFirstFile();
} else {
this.stop();
}
}
}
}
//主站检测
if(document.location.host=="www.xuexi.cn"){
console.log("JS Loaded,Sleep 5 Sec-Qinlili");
const sleep = (delay) => new Promise((resolve) => setTimeout(resolve, delay))
await sleep(5000)
if(window.self === window.top){
//初始化下载工具条
XHRDL.init();
var dlPannel=document.createElement("div");
var downloadBtn = document.createElement("button");
downloadBtn.innerText = "下载本页内容";
downloadBtn.style.display="inline-block";
dlPannel.appendChild(downloadBtn);
var dlText=document.createElement("p");
dlText.style.display="inline-block";
dlText.innerText="等待检测页面类型";
dlPannel.appendChild(dlText);
var first=document.body.firstChild;
document.body.insertBefore(dlPannel,first);
//检测爬取页面类型
console.log("Detecting Page "+document.location.pathname+"-Qinlili");
var detected=false;
//旧慕课列表
if((document.body.innerText.indexOf("课程介绍")>=1)||(document.body.innerText.indexOf("课程详情")>=1)){
console.log("Old Mooc List Detected "+document.location.pathname+"-Qinlili");
detected=true;
dlText.innerText="页面类型:旧慕课列表，支持全部批量下载，请开启网站自动下载权限";
downloadBtn.onclick=function(){
OldMoocListDL();
}
}
//页面有播放器
if(window.Aliplayer){
//旧慕课、电视剧播放单页
if(document.getElementsByClassName("radio-inline")[0]){
console.log("Old Video Player Detected "+document.location.pathname+"-Qinlili");
detected=true;
dlText.innerText="页面类型:旧视频播放单页，支持全部批量下载，请开启网站自动下载权限";
downloadBtn.onclick=function(){
OldMoocVideoDL();
}
}
//新慕课、影视总页
if(document.getElementsByClassName("video-article-content")[0]||document.getElementsByClassName("videoSet-article-wrap")[0]){
console.log("New Video Player Detected "+document.location.pathname+"-Qinlili");
detected=true;
dlText.innerText="页面类型:新视频总，支持全部批量下载最高清晰度，需要打开新标签页下载";
downloadBtn.onclick=function(){
NewMoocPageDL();
}
}
}
//音频
if(document.getElementsByClassName("album-play-btn")[0]){
console.log("Audio Detected "+document.location.pathname+"-Qinlili");
detected=true;
dlText.innerText="页面类型:音频，支持全部批量下载，需要打开新标签页下载";
downloadBtn.onclick=function(){
AudioDL();
}
}
if(!detected){
console.log("Unsupported Page "+document.location.pathname+"-Qinlili");
dlText.innerText="本页面不支持下载";
downloadBtn.innerText = "暂不支持";
}
//下载器部分
//旧慕课列表
function OldMoocListDL(){
//读取全部视频列表
var videoList=globalCache[Object.keys(globalCache)[0]];
console.log("Found "+videoList.length+" Videos-Qinlili")
for(var i=0;videoList[i];i++){
console.log("Try Analysis "+i+" Video-Qinlili")
getInfoAndDL(pagetoinfourl(videoList[i].static_page_url));
}
}
//旧慕课播放单页
function OldMoocVideoDL(){
console.log("Analysis Page Info-Qinlili")
getInfoAndDL(pagetoinfourl(document.location.href))
}
function NewMoocPageDL(){
console.log("Open DL Page-Qinlili");
var searchParams = new URLSearchParams(document.location.search);
var dlurl="https://boot-source.xuexi.cn/newmoocdown?id="+searchParams.get("id");
window.open(dlurl, "_blank");
}
function AudioDL(){
console.log("Open DL Page-Qinlili");
var searchParams = new URLSearchParams(document.location.search);
var dlurl="https://boot-source.xuexi.cn/audiodown?id="+searchParams.get("id");
window.open(dlurl, "_blank");
}
}else{
console.log("Iframe Page "+document.location.pathname+"\nSkip Detect-Qinlili");
}
}
//全局共享函数
//读取视频信息并下载
function getInfoAndDL(infourl){
console.log("Get Video Info:"+infourl+"\n-Qinlili")
var xhr = new XMLHttpRequest();
xhr.onload = event => {
console.log("Success Get Video Info:"+infourl+"\n-Qinlili")
if (xhr.readyState === 4 && xhr.status === 200) {
var videoInfo=JSON.parse(xhr.response.replace("globalCache = ","").replace(";",""));
stringToObject(videoInfo);
//判断慕课
if(videoInfo[Object.keys(videoInfo)[0]].info){
videoInfo=videoInfo[Object.keys(videoInfo)[0]].info;
for(var vi=0;videoInfo.ossUrl[vi];vi++){
console.log("Video Name:"+videoInfo.frst_name+"-"+(vi+1)+"\nChapter Name:"+videoInfo.mooc_class+"\nMooc Name:"+videoInfo.mooc+"\nVideo Url:"+videoInfo.ossUrl[vi]+"\n-Qinlili");
var filename=videoInfo.frst_name+"-"+(vi+1)+"-"+videoInfo.mooc_class+"-"+videoInfo.mooc+".mp4"
console.log("File Name:"+filename+"\nPrepare Download-Qinlili");
downloadFile(videoInfo.ossUrl[vi],filename);
}
}
//判断电视剧
if(videoInfo[Object.keys(videoInfo)[0]].list){
videoInfo=videoInfo[Object.keys(videoInfo)[0]].list;
for(var vii=0;videoInfo[vii];vii++){
console.log("Video Name:"+videoInfo[vii].frst_name+"-"+(vi+1)+"\nList Name:"+videoInfo[vii].title+"\nVideo Url:"+videoInfo[vii].ossUrl+"\n-Qinlili");
var filename2=videoInfo[vii].frst_name+"-"+(vi+1)+"-"+videoInfo[vii].title+".mp4"
console.log("File Name:"+filename2+"\nPrepare Download-Qinlili");
downloadFile(videoInfo[vii].ossUrl,filename2);
}
}
}
xhr.onerror = function (e) {
console.log("Fail Get Video Info:"+infourl+"\n-Qinlili")
}
}
xhr.open('GET',infourl,false);
xhr.send();
//平整化Array工具，从学习强国本身的js里抄过来的，看不懂原理但是能跑就完事了
function stringToObject(params) {
for (var key in params) {
var value = params[key];
if (isString(value)) {
try {
if (typeof JSON.parse(value) == 'object') {
params[key] = JSON.parse(value);
}
} catch (e) { }
} else if (isArray(value)) {
try {
for (var index = 0; index < value.length; index++) {
stringToObject(value[index]);
}
} catch (e) { }
} else if (isObject(value)) {
try {
stringToObject(params[key])
} catch (e) { }
}
}
}
function isArray(o) {
return Object.prototype.toString.call(o) === '[object Array]';
}
function isString(o) {
return Object.prototype.toString.call(o) === '[object String]';
}
function isObject(o) {
return Object.prototype.toString.call(o) === '[object Object]';
}
}
//404注入页面避免cors
if(document.location.host=="boot-source.xuexi.cn"){
console.log("JS Domain Detected, Prepare Inject-Qinlili");
document.querySelector("body").innerHTML="<H2>本页面仅用于CORS注入，分享网址没有用，请允许下载多个文件</H2><H4 id=\"logcat\"></H4>"
XHRDL.init();
logcat("Initializing Downloader...");
const sleep = (delay) => new Promise((resolve) => setTimeout(resolve, delay))
await sleep(3000)
var searchParams = new URLSearchParams(document.location.search);
var vid=searchParams.get("id");
document.title="下载：" + vid;
logcat("Found ID:"+vid);
logcat("Get Video Info:"+vid)
var xhr = new XMLHttpRequest();
xhr.onload = event => {
if (xhr.readyState === 4 && xhr.status === 200) {
logcat("Success Get JSON Info:"+vid)
var videoInfo=JSON.parse(xhr.response.replace("callback(","").replace("})","}"));
console.log(videoInfo);
logcat("List Name:"+videoInfo.normalized_title)
logcat("List Origin:"+videoInfo.show_source)
//文件名后缀
var filenamesource="-"+videoInfo.normalized_title+"-"+videoInfo.show_source;
//视频下载模式
if(document.location.pathname=="/newmoocdown"){
//检测是否为多视频
if(videoInfo.sub_items){
logcat("Found "+videoInfo.sub_items.length+" Videos");
//循环解析并下载视频
for(var vi=0;videoInfo.sub_items[vi];vi++){
logcat("Analysis Video "+ (vi+1));
//currentVideo，缩写为cV看起来清爽点
var cV=videoInfo.sub_items[vi];
var vName=cV.title;
logcat("Video Name:"+vName);
//检测多个清晰度
var vurl=getHighest(cV.videos[0].video_storage_info);
logcat("Video Url:"+vurl);
var fName=vName+filenamesource+".mp4";
logcat("File Name:"+fName);
logcat("Call Downloader, Downloader Log Output In F12");
downloadFile(vurl,fName);
}
}else{
//单个视频
var singlevurl=getHighest(videoInfo.videos[0].video_storage_info);
logcat("Video Url:"+singlevurl);
vName=videoInfo.title;
var sfName=vName+filenamesource+".mp4";
logcat("File Name:"+sfName);
logcat("Call Downloader, Downloader Log Output In F12");
downloadFile(singlevurl,sfName);
}
}
//音频下载模式
if(document.location.pathname=="/audiodown"){
if(videoInfo.sub_items){
logcat("Found "+videoInfo.sub_items.length+" Audios");
//循环解析并下载音频
for(var ai=0;videoInfo.sub_items[ai];ai++){
logcat("Analysis Video "+ (ai+1));
//currentAudio，缩写为cA看起来清爽点
var cA=videoInfo.sub_items[ai];
var aName=cA.title;
logcat("Audio Name:"+aName);
//音频不区分清晰度
var aurl=cA.audios[0].audio_storage_info[0].url;
logcat("Audio Url:"+aurl);
var afName=aName+filenamesource+".mp3";
logcat("File Name:"+fName);
logcat("Call Downloader, Downloader Log Output In F12");
downloadFile(aurl,afName);
}
}
}
}
}
xhr.onerror = function (e) {
logcat("Fail Get Json Info:"+vid)
}
xhr.open('GET',"https://boot-source.xuexi.cn/data/app/"+vid+".js?callback=callback&_st="+Date.now());
xhr.send();
//打印日志方法，空页面就不用console.log了
function logcat(text){
//获取时间参考https://www.jianshu.com/p/067469a4eed8
let myDate = new Date();
let str = myDate.toTimeString();
let timeStr = str.substring(0,8);
document.getElementById("logcat").innerText=timeStr+" "+text+"\n"+document.getElementById("logcat").innerText;
}
//分析最高清晰度
function getHighest(vObj){
var maxHeight=1;
var maxId=0;
for(var vii=0;vObj[vii];vii++){
if(!(vObj[vii].format=="m3u8")){
if(vObj[vii].height>maxHeight){
maxHeight=vObj[vii].height;
maxId=vii;
}
}
}
logcat("Max Vide Height:"+maxHeight);
return vObj[maxId].normal
}
}
//地址转换函数
function pagetoinfourl(pageurl){
var tempurl=pageurl.replace(".html",".js");
tempurl=insertStr(tempurl,tempurl.indexOf("/",21)+1,"data");
return tempurl;
}
//插入
function insertStr(soure, start, newStr){
return soure.slice(0, start) + newStr + soure.slice(start);
}
//下载
function downloadFile(url,name){
XHRDL.newTask(url,name);
}
}
)();
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