VGMLoaderX

Automatically downloads albums from KHInsider without an account.
当前为 2021-06-06 提交的版本，查看最新版本。
换行
// @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT
/* eslint-disable no-eval, no-undef */

// ==UserScript==
// @name           VGMLoaderX
// @namespace      https://github.com/TheLastZombie/
// @version        1.0.1
// @description    Automatically downloads albums from KHInsider without an account.
// @description:de Lädt Alben von KHInsider automatisch und ohne Account herunter.
// @homepageURL    https://github.com/TheLastZombie/userscripts#vgmloaderx-
// @supportURL     https://github.com/TheLastZombie/userscripts/issues/new?labels=VGMLoaderX
// @author         TheLastZombie
// @match          https://downloads.khinsider.com/game-soundtracks/album/*
// @connect        vgmsite.com
// @grant          GM.xmlHttpRequest
// @grant          GM_xmlhttpRequest
// @require        https://cdn.jsdelivr.net/gh/gildas-lormeau/zip.js@7949db15556ebdbd076e543fd77134286ad6e4fc/dist/zip.min.js
// @require        https://cdn.jsdelivr.net/gh/eligrey/FileSaver.js@5bb701bd6ea05a02836daf8ef88ec350a1dd4d83/dist/FileSaver.min.js
// @require        https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js
// @icon           https://raw.githubusercontent.com/TheLastZombie/userscripts/master/icons/VGMLoaderX.ico
// @copyright      2021, TheLastZombie (https://github.com/TheLastZombie/)
// @license        MIT; https://github.com/TheLastZombie/userscripts/blob/master/LICENSE
// ==/UserScript==

// ==OpenUserJS==
// @author         TheLastZombie
// ==/OpenUserJS==

(function () {
  document.querySelectorAll('a[href^="https://downloads.khinsider.com/cp/add_album/"]').forEach(x => {
    x.addEventListener('click', e => {
      e.preventDefault()

      let format = Array(...document.querySelectorAll('#songlist_header th[align=right]')).map(x => x.textContent)
      if (format.length === 1) {
        format = format[0]
      } else {
        const input = prompt('Please enter your desired format (one of ' + format.join(', ') + '):', format[0])
        if (!format.includes(input.toUpperCase())) {
          format = format[0]
          alert('Invalid format supplied. Using ' + format + ' instead.')
        } else {
          format = input
        }
      }

      const element = document.getElementsByClassName('albumMassDownload')[0]
      element.style.height = 'auto'
      element.style.marginBottom = '2em'

      const input = eval(document
        .querySelector('#EchoTopic script')
        .textContent
        .slice(5, -3)
        .replace('function', 'function x')
        .replace('return p}', 'return p}x')
      )
      const mediaPath = input.match(/mediaPath='(.+?)'/)[1]
      const tracks = JSON.parse(input.match(/tracks=(\[.+?\])/)[1].replace(',]', ']'))
      const output = tracks.map(x => mediaPath + x.file.split('.').slice(0, -1).join('.') + '.' + format.toLowerCase())
      const names = tracks.map(x => x.name)

      const blobWriter = new zip.BlobWriter('application/zip')
      const writer = new zip.ZipWriter(blobWriter)

      function forSync (i) {
        element.innerHTML = 'Downloading track ' + (i + 1) + ' of ' + output.length + ' (' + names[i] + ')…'
        GM.xmlHttpRequest({
          method: 'GET',
          url: output[i],
          responseType: 'blob',
          onload: async response => {
            await writer.add(decodeURIComponent(output[i].split('/').pop()), new zip.BlobReader(response.response))

            if (output[i + 1]) {
              forSync(i + 1)
            } else {
              await writer.close()
              const blob = await blobWriter.getData()
              saveAs(blob, document.getElementsByTagName('h2')[0].textContent + '.zip')
              element.innerHTML = 'Album successfully downloaded. ZIP file has been passed to the browser.'
            }
          }
        })
      }
      forSync(0)
    })
  })
})()

// @license-end