batch download for downloads.khinsider.com originalsoundtracks
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// ==UserScript==
// @name Video Game Music batch downloader
// @name:zh-TW Video Game Music 批量下載器
// @namespace https://blog.maple3142.net/
// @description batch download for downloads.khinsider.com originalsoundtracks
// @description:zh-TW 批量下載 downloads.khinsider.com 的原聲帶
// @version 0.1.4
// @author maple3142
// @match https://downloads.khinsider.com/game-soundtracks/album/*
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.5/jszip.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/babel-polyfill/6.26.0/polyfill.min.js
// @connect 66.90.93.122
// @license MIT
// @copyright 2018, maple3142 (https://blog.maple3142.net/)
// @grant GM_xmlhttpRequest
// ==/UserScript==
(function ($,JSZip) {
'use strict';
$ = $ && $.hasOwnProperty('default') ? $['default'] : $;
JSZip = JSZip && JSZip.hasOwnProperty('default') ? JSZip['default'] : JSZip;
function downloadblob(url) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: 'GET',
url,
responseType: 'blob',
onload: res => resolve(res.response)
});
});
}
$('a:contains("click to download")').on('click', async e => {
e.preventDefault();
$('.albumMassDownload').prev().replaceWith(`
<div>
<span>Download progress:</span>
<progress min="0" max="100" id="dp" value="0"></progress>
</div>
`);
const title = $('h2')[0].textContent;
const urls = $('tr>td.clickable-row:not([align])').toArray().map(el => $(el).find('a').attr('href'));
const requests = urls.map(e => fetch(e).then(r => r.text()));
const files = (await Promise.all(requests)).map(html => {
const url = $(html).find('a:contains("Click here to download as MP3")').attr('href');
return { blob: downloadblob(url), name: decodeURIComponent(url.split('/').pop()) };
});
const blob = await files.reduce((zip, file) => {
zip.file(file.name, file.blob);
return zip;
}, new JSZip()).generateAsync({ type: 'blob' }, meta => $('#dp').attr('value', parseInt(meta.percent)));
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.download = title + '.zip';
a.href = url;
document.body.appendChild(a);
a.click();
a.remove();
URL.revokeObjectURL(url);
});
}($,JSZip));