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破解立知

破解立知课堂工具（由上海市某中学的多位青年共同开发、支持、调试和维护）

当前为 2022-06-10 提交的版本，查看 最新版本。

// ==UserScript==
// @name         破解立知
// @namespace    https://ez118.github.io/
// @version      6.1
// @description  破解立知课堂工具（由上海市某中学的多位青年共同开发、支持、调试和维护）
// @author       ZZY_WISU
// @match        https://*.imlizhi.com/slive/pc/*
// @match        https://easilive.seewo.com/*
// @license      GNU GPLv3
// @icon         https://edu.seewo.com/res/head/1/default.png
// @run-at document-end
// @grant        GM_xmlhttpRequest
// @grant        GM_download
// @grant        GM_registerMenuCommand
// @grant        GM_unregisterMenuCommand
// @grant        GM_setValue
// @grant        GM_getValue
// @require      https://cdn.bootcss.com/pako/1.0.6/pako.min.js
// ==/UserScript==




/*   自定义部分   */

var verlist = [69, 50 ,40, 36, 29, 25, 19, 14, 11, 8, 4, 1];
//破解列表

var api = "https://s2.imlizhi.com/slive/pc/enow/thumbnail/api/v1/courseware";
//对接官方接口

var ReaderUrl = "https://easilive.seewo.com/ZZY_WISU/";
//课件浏览器的链接

var ScriptUrl = "https://gf.qytechs.cn/scripts/441933-%E7%A0%B4%E8%A7%A3%E7%AB%8B%E7%9F%A5/code/%E7%A0%B4%E8%A7%A3%E7%AB%8B%E7%9F%A5.user.js";
//用于查检更新的链接

var MaxPageNum = 200;
//用于储存最大课件页面数量

var ShareReaderUrl = "https://ez118.github.io/static/PoJieLiZhi/";
//分享的课件的阅读器链接（默认为作者个人建立的阅读器，你也可以参照并下载//github.com/EZ118/EZ118.github.io/blob/master/static/PoJieLiZhi/index.html，以此建立自己的阅读器）

/*以上为自定义部分*/

/* 以下为菜单设定 */
function OpenExplorer(cid, title, ver) {
    //let cid = document.getElementsByClassName("enow__stage-wrap")[0].id.replace("stage-", "");
    //let title = document.getElementsByTagName("title")[0].innerText;
    if(ver > 0){
        ver -= 1;
        if (GM_getValue('Settings')[1] == "1") {
            let WinTop = (window.screen.availHeight - 350) / 2; let WinLeft = (window.screen.availWidth - 640) / 2;
            let myWindow = window.open(ReaderUrl + "@" + cid + "@11@" + encodeURI(title) + "@" + ver, '', 'width=640, height=400, top=' + WinTop + ', left=' + WinLeft);
        } else { window.open(ReaderUrl + "@" + cid + "@11@" + encodeURI(title) + "@" + ver); }
    }
    else {
        if (GM_getValue('Settings')[1] == "1") {
            let WinTop = (window.screen.availHeight - 350) / 2; let WinLeft = (window.screen.availWidth - 640) / 2;
            let myWindow = window.open(ReaderUrl + "@" + cid + "@0@" + encodeURI(title) + "@0", '', 'width=640, height=400, top=' + WinTop + ', left=' + WinLeft);
        } else { window.open(ReaderUrl + "@" + cid + "@0@" + encodeURI(title) + "@0"); }
    }
}
function GetList(){
	var uid = window.location.href.split("?")[1].split("&")[0].split("=")[1];
	var ServerTime = new Date().getTime();
	var xhttp = null;
	if (window.XMLHttpRequest){ xhttp = new XMLHttpRequest(); } else if (window.ActiveXObject){ xhttp = new ActiveXObject('Microsoft.XMLHTTP'); }
	xhttp.onreadystatechange = function() {
		if (this.readyState == 4 && this.status == 200) {
			let jstr = eval("(" + this.responseText + ")");
			if (jstr.error_code == 0){
				let OPStr = "";
				for (var i = 0; i <= 10; i ++) { try{ OPStr += (i + 1) + ". " + jstr.data[i].name + "\n"; } catch(e){} }
				let k = prompt("请选择需要打开的课件（填数字编号）\n" + OPStr, "1");
				OpenExplorer(jstr.data[k - 1].cid, jstr.data[k - 1].name, jstr.data[k - 1].version);
			}
		} else if (this.status == 404) {
            let cid = document.getElementsByClassName("enow__stage-wrap")[0].id.replace("stage-", "");
            let title = document.getElementsByTagName("title")[0].innerText;
            let ver = 0;
            OpenExplorer(cid, title, ver);
            return;
        }
	};
	xhttp.open("POST", "./apis.json?actionName=GET_COURSE_ACCESS_CODE_LIST&t=" + ServerTime, true);
	xhttp.setRequestHeader('Content-Type','application/json');
	xhttp.send('{"courseUid":"' + uid + '"}');
}


function UnlockLimit() {
    try{ document.getElementById('enow__non-interacte-hover').setAttribute("style", "display:none;"); } catch(e){}
    try{ document.getElementsByClassName("enow__teachingtool-hide")[0].setAttribute("class", "enow__teachingtool"); } catch(e){}
}

function MsgWordNumBreak(){ try{ document.getElementsByClassName("live-chat-send-msg-txt")[0].removeAttribute("maxlength"); } catch(e){} }

function RemoveCover() { try{ document.getElementsByClassName('live-poster live-pc-poster')[0].setAttribute("style", "visibility: hidden;"); } catch(e){} }

function RemoveHand(mode){
    if (typeof mode === 'undefined') { mode = "HideHand"; }
    try{
        let hand = document.getElementsByClassName('live-raise-hand live-pc-raise-hand live-student-raise-hand')[0];
        if (mode == "HideHand"){ hand.setAttribute("style", "visibility: hidden;"); }
        else {
            hand.setAttribute("style", "width:25px; height:25px; overflow:hidden; border-radius:10px;");
            document.getElementsByClassName('live-raise-hand-item')[0].setAttribute("style", "width: 25px;height:25px;");
        }
    } catch(e){}
}

function Settings(){
    var OldSettingStr = GM_getValue('Settings');
    if (OldSettingStr == "" || OldSettingStr == null) { OldSettingStr = "000"; }
    let NewSettingStr = prompt(`【欢迎使用偏好设置】
    请在输入框内依次填写每个条目的状态(1为开，0为关，不可以不填)
    1. 屏蔽广告功能
    2. 以弹窗形式打开课件浏览器
    3. 骇客模式（解锁操作课件限制、解除讨论区字符长度限制、移除课前等待界面、缩小举手按钮）`, OldSettingStr);
    if (NewSettingStr != null && NewSettingStr != "") { GM_setValue('Settings', NewSettingStr) } else { return; }
}



let menu1 = GM_registerMenuCommand('浏览教师课件', function () { /*OpenExplorer();*/ GetList(); }, 'O');
let menu2 = GM_registerMenuCommand('解除操作课件限制', function () { UnlockLimit(); }, 'U');
let menu3 = GM_registerMenuCommand('解除讨论区字符限制', function () { MsgWordNumBreak(); }, 'M');
let menu4 = GM_registerMenuCommand('移除课前等待遮罩', function () { RemoveCover(); }, 'R');
let menu5 = GM_registerMenuCommand('隐藏举手按钮', function () { RemoveHand("HideHand"); }, 'H');
let menu6 = GM_registerMenuCommand('偏好设置', function () { Settings(); }, 'S');
let menu7 = GM_registerMenuCommand('讨论区刷屏（Beta）', function() {
    function Send(con,rid){var uid=window.location.href.split("?")[1].split("&")[0].split("=")[1];var ServerTime=new Date().getTime();var xhttp=null;if(window.XMLHttpRequest){xhttp=new XMLHttpRequest()}else if(window.ActiveXObject){xhttp=new ActiveXObject('Microsoft.XMLHTTP')}xhttp.onreadystatechange=function(){if(this.readyState==4&&this.status==200){var jstr=eval("("+this.responseText+")");if(jstr.error_code==0){}else{}}};xhttp.open("POST","./apis.json?actionName=CHAT_SEND_QUESTION&t="+ServerTime,true);xhttp.setRequestHeader('Content-Type','application/json');xhttp.send('{"roomId":"'+rid+'","courseUid":"'+uid+'","text":"'+con+'"}')}
    function GetRoomId(){var uid=window.location.href.split("?")[1].split("&")[0].split("=")[1];var ServerTime=new Date().getTime();var xhttp=null;if(window.XMLHttpRequest){xhttp=new XMLHttpRequest()}else if(window.ActiveXObject){xhttp=new ActiveXObject('Microsoft.XMLHTTP')}xhttp.onreadystatechange=function(){if(this.readyState==4&&this.status==200){var jstr=eval("("+this.responseText+")");let rid=jstr.data.roomId;var SqStr=prompt("请输入想要发送的内容：","");if(SqStr==null){return}var SqTimeSet=prompt("请输入想要发送的次数：","1");for(let i=1;i<=SqTimeSet;i++){Send(SqStr,rid)}}};xhttp.open("POST","./apis.json?actionName=GET_TARGET_COURSE&t="+ServerTime,true);xhttp.setRequestHeader('Content-Type','application/json');xhttp.send('{"courseUid":"'+uid+'"}');}
    GetRoomId();
}, 'G');
/* 以上为菜单设定 */


function runAsync(url,send_type,data_ry) {
    var p = new Promise((resolve, reject)=> {
        GM_xmlhttpRequest({
            method: send_type, url: url, headers: {"Content-Type": "application/x-www-form-urlencoded;charset=utf-8"}, data: data_ry,
            onload: function(response){resolve(response.responseText);}, onerror: function(response){reject("请求失败");}
        });
    });
    return p;
}

(function() {
    'use strict';

    if(window.location.href.split("@")[0] == ReaderUrl){
        var data = window.location.href.split("@")[1]; /*课程ID*/
        var ver = window.location.href.split("@")[2]; /*版本号在破解字典中的位置*/
        var title = window.location.href.split("@")[3]; /*教师标题*/
        var adds = window.location.href.split("@")[4]; if(adds == undefined) {adds = "0";} adds = new Number(adds); /*课件版本微调*/
        var dochtml = ""; /*输出的html*/
        var obj = []; /*课件列表*/
        var PageCnt = 0; /*有效课件页面计数器*/
        var ShareData = ""; /*分享链接所包含的数据*/

        runAsync(api + "?coursewareId=" + data + "&version=" + (verlist[ver] + adds) + "&resolution=960_640","GET","content=erwer").then((result)=> {return result;}).then(function(result){
            var filelist = eval("("+result+")");
            if(filelist.message != "error"){
                for(var i = 0; i <= MaxPageNum; i ++){ try{ obj[filelist.data[i].pageIndex] = filelist.data[i].downloadUrl; } catch(e){} /*将课件按照顺序给obj变量赋值*/ }
                /*将obj中的课件按顺序以html的形式写入dochtml，以及生成分享链接*/
                for(i = 0; i <= MaxPageNum; i ++){
                    if(obj[i] != undefined) {
                        /*写入html*/
                        dochtml += "<img src='" + obj[i] + "' title='第" + (i + 1) + "页'><br>"; PageCnt += 1;
                        /*生成分享链接*/
                        ShareData += obj[i].replace("https://cstore-private-bs.seewo.com/easinote/encloud-", "").split("?")[0] + ",";
                    }
                }
                /*压缩字符串*/

                ShareData = window.btoa(pako.gzip(ShareData.replace("undefined", ""), {to: "string"}));

                /*script储存javascript脚本，header储存<head>标签中的html元素，shareExt储存分享功能的html*/
                var script = `<script>function printmode(){
                                        document.getElementsByClassName("msg")[0].remove();
                                        document.getElementsByClassName("share")[0].remove();
                                        document.getElementsByTagName("style")[0].innerText = "img{width:100%;margin-top:15px;}";
                                }</script>`;

                var header = `<title>课件浏览器 | ` + decodeURI(title) + `</title>
                                <meta charset="utf-8">
                                <style>body{background-color: rgb(50, 54, 57); user-select: none;margin:0px;}
                                .ctrl{font-size:14px; border-radius:15px; padding:5px; padding-left:13px; padding-right:13px; background-color: rgb(51, 51, 51); color:#FFF; border:1px solid #CCC;}
                                .msg{position:fixed; top:15px; left:15px; z-index:5;} .share{position:fixed; top:15px; right:15px; z-index:5;}
                                img{width:60%; min-width:600px; margin-top:10px; border-radius:4px;}
                                .printBtn{margin:10px;} a{color:#FFF; text-decoration:none;}</style>`;

                var body = `<body>
                    <div class="ctrl msg">
                        <a href="` + ReaderUrl + `@` + data + `@` + ver + `@` + title + `@` + (adds - 1) + `">◀</a>
                        &nbsp;共` + PageCnt + `页 (版本: ` + (verlist[ver] + adds) + `)&nbsp;
                        <a href="` + ReaderUrl + `@` + data + `@` + ver + `@` + title + `@` + (adds + 1) + `">▶</a>
                    </div>
                    <div class="ctrl share" title="右键此处，点击复制链接">
                        <a href="` + ShareReaderUrl + `#` + ShareData + `" target="_blank">分享</a>
                    </div>  <!--共享按钮-->
                    <center>` + dochtml + `<button onclick="this.remove();printmode();" class="ctrl printBtn">打印&nbsp;&amp;&nbsp;PDF存储模式</button></center></body>`


                document.write(header + script + body);
            } else {
                ver = new Number(ver) + 1;
                if (verlist[ver] != undefined) { location.href = ReaderUrl + "@" + data + "@" + ver + "@" + title + "@0"; }
                else document.write("<title>出现问题</title><h2>抱歉，无法为您获取课件</h2><hr><b>你可以尝试更新该脚本以取得最新的破解字典。</b>");
            }
        });

    } else if (window.location.href.split("/")[3] == "preview" || window.location.href.split("/")[3] == "course"){
        if (GM_getValue('Settings')[0] == "1"){ setTimeout(function() { try{ let ad1 = document.getElementsByClassName('download-app-1s9WLH')[0]; ad1.remove(); } catch(e){} /*移除首页手机软件下载广告*/ }, 1000); }

    } else if (window.location.href.split("/")[3] == "slive" && window.location.href.split("/")[5].split("?")[0] == "room"){
        setTimeout(function() {
            if(GM_getValue('Settings')[2] == "1"){
                UnlockLimit(); RemoveCover(); RemoveHand("MinimizeHand"); MsgWordNumBreak();
                /*执行解除限制、去除等待遮罩、缩小举手按钮、去除长度限制*/
            }

            if (GM_getValue('Settings')[0] == "1"){ try{ document.getElementsByClassName('live-download live-topbar-item')[0].setAttribute("style", "display:none;"); } catch(e){} /*移除教室内手机软件下载广告*/ }
        }, 6000);

    }
})();

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