EPUB原貌下载
// ==UserScript==
// @name 华章下载
// @namespace https://qinlili.bid
// @version 0.1
// @description EPUB原貌下载
// @author 琴梨梨
// @match http://www.hzcourse.com/web/refbook/probation/*
// @icon https://www.hzcourse.com/favicon.ico
// @grant none
// @require https://lib.baomitu.com/jszip/3.10.1/jszip.min.js#sha512-XMVd28F1oH/O71fzwBnV7HucLxVwtxf26XV8P4wPk26EDxuGZ91N8bsOttmnomcCD3CS5ZMRL50H0GgOHvegtg==
// ==/UserScript==
(async function() {
'use strict';
//CODENAME:HYDROPHILE
//初始化依赖
const 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:1.0.4\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!");
}
}
};
const sleep = delay => new Promise(resolve => setTimeout(resolve, delay));
const dlFile = (link, name) => {
let eleLink = document.createElement('a');
eleLink.download = name;
eleLink.style.display = 'none';
eleLink.href = link;
document.body.appendChild(eleLink);
eleLink.click();
document.body.removeChild(eleLink);
};
SakiProgress.init();
let fileList = [];
SakiProgress.showDiv();
SakiProgress.setText("正在准备下载...");
console.log("Igniting Hydrophile Core ...");
const bookId=document.getElementById("ebookId").value;
const basePath = "http://www.hzcourse.com/resource/readBook?path=/openresources/teach_ebook/uncompressed/"+bookId+"/";
await sleep(100);
SakiProgress.setPercent(1);
SakiProgress.setText("正在读取EPUB信息...");
let container = await (await fetch(basePath + "META-INF/container.xml")).blob();
fileList.push({ file: container, path: "META-INF/container.xml" });
let containerParsed = new DOMParser().parseFromString(await container.text(), "text/xml");
console.log(containerParsed);
await sleep(100);
SakiProgress.setPercent(3);
SakiProgress.setText("正在读取文件清单...");
let rootfile = containerParsed.getElementsByTagName("rootfile")[0];
if (rootfile.getAttribute("media-type") == "application/oebps-package+xml" || confirm("该书的信息似乎不符合标准，继续吗？")) {
//OEBPS/content.opf
let itemPath = rootfile.getAttribute("full-path");
console.log(basePath + itemPath);
let opf = await (await fetch(basePath + itemPath)).blob();
fileList.push({ file: opf, path: itemPath });
let opfParsed = new DOMParser().parseFromString(await opf.text(), "text/xml");
console.log(opfParsed);
await sleep(100);
SakiProgress.setPercent(5);
SakiProgress.setText("正在索引文件...");
let itemList = opfParsed.getElementsByTagName("item");
let baseItemPath = basePath + itemPath.substring(0, itemPath.lastIndexOf("/")) + "/";
let zipPath = itemPath.substring(0, itemPath.lastIndexOf("/")) + "/"
for (let i = 0; itemList[i]; i++) {
SakiProgress.setPercent(5 + i / itemList.length * 80);
SakiProgress.setText("正在下载文件[" + i + "/" + itemList.length + "]...");
let item = itemList[i];
if (item.getAttribute("href")) {
let itemBlob = await (await fetch(baseItemPath + item.getAttribute("href"),{
headers:{
"accept": "text/html, */*; q=0.01",
"x-requested-with": "XMLHttpRequest"
},
"referrer": location.href,
"referrerPolicy": "strict-origin-when-cross-origin",
"body": null,
"method": "GET",
"mode": "cors",
"credentials": "include"
})).blob();
let path = zipPath + item.getAttribute("href");
fileList.push({ file: itemBlob, path: path });
await sleep(500);
}
};
console.log(fileList);
SakiProgress.setPercent(85);
SakiProgress.setText("正在生成文件结构...");
let zip = new JSZip();
fileList.forEach(file => zip.file(file.path, file.file, { binary: true }));
await sleep(100);
SakiProgress.setPercent(90);
SakiProgress.setText("正在打包...");
let zipFile = await zip.generateAsync({
type: "blob",
compression: "DEFLATE",
compressionOptions: {
level: 9
}
});
SakiProgress.setPercent(97);
SakiProgress.setText("正在导出...");
await sleep(2000);
dlFile(URL.createObjectURL(zipFile), document.title + ".epub");
SakiProgress.clearProgress();
SakiProgress.setText("下载成功！");
await sleep(3000);
SakiProgress.hideDiv();
} else {
SakiProgress.clearProgress();
SakiProgress.hideDiv();
console.log("User Cancel.");
}
})();