// ==UserScript==
// @name 四川大学快速学习
// @namespace https://greasyfork.org/zh-CN/users/707063-genexy
// @version 202303271329
// @description 四川大学快速学习辅助工具，进入课程等待学习
// @author 流浪的蛊惑
// @run-at document-end
// @require https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.js
// @match *://*.chaoxing.com/*
// @grant unsafeWindow
// ==/UserScript==
/*MD5加密算法开始*/
var hexcase=0,chrsz=8;
function md5(s){return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function core_md5(x, len)
{
x[len >> 5] |= 0x80 << ((len) % 32);
x[(((len + 64) >>> 9) << 4) + 14] = len;
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
for(var i = 0; i < x.length; i += 16)
{
var olda = a;
var oldb = b;
var oldc = c;
var oldd = d;
a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
}
return Array(a, b, c, d);
}
function md5_cmn(q, a, b, x, s, t)
{
return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}
function core_hmac_md5(key, data)
{
var bkey = str2binl(key);
if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);
var ipad = Array(16), opad = Array(16);
for(var i = 0; i < 16; i++)
{
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5C5C5C5C;
}
var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
return core_md5(opad.concat(hash), 512 + 128);
}
function safe_add(x, y)
{
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}
function bit_rol(num, cnt)
{
return (num << cnt) | (num >>> (32 - cnt));
}
function str2binl(str)
{
var bin = Array();
var mask = (1 << chrsz) - 1;
for(let i=0;i<str.length * chrsz;i+= chrsz)
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
return bin;
}
function binl2hex(binarray)
{
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var str = "";
for(let i = 0; i < binarray.length * 4; i++)
{
str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);
}
return str;
}
/*MD5加密算法结束*/
function addXMLRequestCallback(callback){//监听请求
var oldSend, i;
if( XMLHttpRequest.callbacks ) {
XMLHttpRequest.callbacks.push( callback );
} else {
XMLHttpRequest.callbacks = [callback];
oldSend = XMLHttpRequest.prototype.send;
XMLHttpRequest.prototype.send = function(){//监听发送
for( i = 0; i < XMLHttpRequest.callbacks.length; i++ ) {
XMLHttpRequest.callbacks[i]( this );
}
oldSend.apply(this, arguments);
}
}
}
var oenc="";
function dovideo(data,objn){//提交学习进度
$.ajax({
method:"GET",
url:data,
success:function(e){
vplay=true;
tlsj=0
localStorage.setItem(objn,"");
}
});
}
var vplay=true,tlsj=0;
(function() {
'use strict';
var nbtn=document.getElementsByClassName("orientationright");
var tjbtn=document.getElementsByClassName("Btn_blue_1 marleft10");
var jjbtn=document.getElementsByClassName("marTop30");
var video=document.getElementsByTagName("video");
var audio=document.getElementsByTagName("audio");
var title=document.getElementsByTagName("h1");
var coursetree=document.getElementById("coursetree");
var gcdjs=0;
setInterval(function(){
if(video.length>0 && vplay){
tlsj=0;
video[0].play();
video[0].muted=true;
video[0].addEventListener("play", function(){//监听暂停
vplay=false;
});
video[0].addEventListener("pause", function(){//监听暂停
video[0].play();
});
}
if(video.length>0){
let obj=JSON.parse($("iframe", parent.document)[0].getAttribute("data"));
localStorage.setItem(obj.objectid,video[0].currentTime);
}
if(coursetree!=null){//课程导航
gcdjs++;
if(gcdjs>6){
gcdjs=0;
let gnext=false;
let ga=coursetree.getElementsByTagName("a");
for(let i=0;i<ga.length;i++){
let gdq=document.getElementById("cur"+ga[i].getAttribute("href").split(",")[2].split("'")[1]);
if(gnext){
if(gdq.getElementsByTagName("span")[1].outerHTML.indexOf("blue")==-1){
ga[i].click();
break;
}
}else{
if(gdq.outerHTML.indexOf("currents")>-1){
if(gdq.getElementsByTagName("span")[1].outerHTML.indexOf("blue")>-1){
gnext=true;
}
}
}
}
}
}
if(audio.length>0 && vplay){
tlsj=0;
audio[0].play();
audio[0].muted=true;
audio[0].addEventListener("play", function(){//监听暂停
vplay=false;
});
audio[0].addEventListener("pause", function(){//监听暂停
audio[0].play();
});
}
if(audio.length>0){
if(audio[0].currentTime>32){
location.reload();
}
}
if(title.length>0){
let obj={};
try
{
obj=JSON.parse($("#iframe").contents().find("iframe")[0].getAttribute("data"));
}
catch(err)
{
obj={objectid:"err"};
}
let gct=localStorage.getItem(obj.objectid);
title[0].innerText="学习时间："+(tlsj++)+" 秒，当前播放时间："+gct+"秒";
if(tlsj>60 || (gct==null && tlsj>40)){
if(localStorage.getItem(obj.objectid+",nbtn")!=null){
localStorage.removeItem(obj.objectid+",nbtn");
}
vplay=true;
tlsj=0;
let gzjcs=document.getElementById("dct2");
if(gzjcs!=null){
if(localStorage.getItem("学习完成")==null){
gzjcs.click();
}else{
localStorage.removeItem("学习完成");
location.reload();
}
}else{
if(localStorage.getItem("学习完成")==null){
nbtn[0].click();
}else{
localStorage.removeItem("学习完成");
location.reload();
}
}
}
}
if(nbtn.length>0){
let obj={};
try
{
obj=JSON.parse($("#iframe").contents().find("iframe")[0].getAttribute("data"));
}
catch(err)
{
obj={objectid:"err"};
}
if(localStorage.getItem(obj.objectid+",nbtn")!=null){
localStorage.removeItem(obj.objectid+",nbtn");
tlsj=0;
let gzjcs=document.getElementById("dct2");
if(gzjcs!=null){
if(localStorage.getItem("学习完成")==null){
gzjcs.click();
}else{
localStorage.removeItem("学习完成");
location.reload();
}
}else{
if(localStorage.getItem("学习完成")==null){
nbtn[0].click();
}else{
localStorage.removeItem("学习完成");
location.reload();
}
}
}
}
},1000);
addXMLRequestCallback( function( xhr ) {
xhr.addEventListener("load", function(){
if (xhr.readyState==4 && xhr.status==200) {
if (xhr.responseURL.includes("playingTime=")){
let dat=JSON.parse(xhr.responseText);
let bdhtml=xhr.responseURL,prnhtml,gurl
prnhtml = bdhtml.substring(bdhtml.indexOf("clazzId=")+8);
prnhtml = prnhtml.substring(0,prnhtml.indexOf("&"));
let clazzId=prnhtml;
prnhtml = bdhtml.substring(bdhtml.indexOf("userid=")+7);
prnhtml = prnhtml.substring(0,prnhtml.indexOf("&"));
let userid=prnhtml;
prnhtml = bdhtml.substring(bdhtml.indexOf("jobid=")+6);
prnhtml = prnhtml.substring(0,prnhtml.indexOf("&"));
let jobid=prnhtml;
prnhtml = bdhtml.substring(bdhtml.indexOf("objectId=")+9);
prnhtml = prnhtml.substring(0,prnhtml.indexOf("&"));
let objectId=prnhtml;
prnhtml = bdhtml.substring(bdhtml.indexOf("playingTime=")+12);
prnhtml = prnhtml.substring(0,prnhtml.indexOf("&"));
let playingTime=prnhtml;
prnhtml = bdhtml.substring(bdhtml.indexOf("duration=")+9);
prnhtml = prnhtml.substring(0,prnhtml.indexOf("&"));
let duration=prnhtml;
prnhtml = bdhtml.substring(bdhtml.indexOf("clipTime=")+9);
prnhtml = prnhtml.substring(0,prnhtml.indexOf("&"));
let clipTime=prnhtml;
let enc="["+clazzId+"]["+userid+"]["+jobid+"]["+objectId+"]["+(duration*1000)+"][d_yHJ!$pdA~5]["+(duration*1000)+"]["+clipTime+"]";
if(dat.isPassed){
if(localStorage.getItem(objectId)!=null){
localStorage.removeItem(objectId);
}
vplay=true;
tlsj=0;
localStorage.setItem(objectId+",nbtn","");
}else{
setInterval(function(){
let gct=localStorage.getItem(objectId);
if(gct!=null){
if(gct-playingTime>30){
localStorage.setItem("学习完成","");
localStorage.removeItem(objectId);
if(oenc!=enc){
tlsj=0;
oenc=enc;
gurl = bdhtml.substring(0,bdhtml.indexOf("enc=")+4);
prnhtml = bdhtml.substring(bdhtml.indexOf("enc=")+4);
gurl+=md5(enc)+prnhtml.substring(prnhtml.indexOf("&"));
bdhtml=gurl;
gurl = bdhtml.substring(0,bdhtml.indexOf("playingTime=")+12);
prnhtml = bdhtml.substring(bdhtml.indexOf("playingTime=")+12);
gurl+=duration+prnhtml.substring(prnhtml.indexOf("&"));
dovideo(gurl,objectId+",nbtn");
}
}
}
},1000);
}
}
}
});
});
})();
