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Fanbox Batch Downloader

Batch Download on creator, not post

当前为 2019-12-22 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Fanbox Batch Downloader
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.21
  5. // @description  Batch Download on creator, not post
  6. // @author       https://github.com/amarillys
  7. // @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.2.2/jszip.min.js
  8. // @match        https://www.pixiv.net/fanbox/creator/*
  9. // @grant        GM_xmlhttpRequest
  10. // @grant        GM_download
  11. // @license      MIT
  12. // ==/UserScript==
  13.  
  14.  
  15. (function() {
  16.     'use strict';
  17.  
  18.     const fetchOptions = {
  19.         credentials: 'include',
  20.         headers: { Accept: 'application/json, text/plain, */*' }
  21.     }
  22.  
  23.     window.onload = () => {
  24.         let baseBtn = document.querySelector('[href="/fanbox/notification"]')
  25.         let className = baseBtn.parentNode.className
  26.         let parent = baseBtn.parentNode.parentNode
  27.         let downloadBtn = document.createElement('div')
  28.         downloadBtn.className = className
  29.         downloadBtn.innerHTML = `
  30.             <a href="javascript:void(0)">
  31.                 <div id="amarillys-download-progress"
  32.                     style="line-height: 32px;width: 100px;height: 32px;background-color: rgba(232, 12, 2, 0.96);;border-radius: 8px;color: #FFF;text-align: center;">
  33.                         Download/下载
  34.                 </div>
  35.             </a>`
  36.         downloadBtn.addEventListener('click', () => { console.log('startDownloading'); downloadByFanboxId(parseInt(document.URL.split('/')[5])); })
  37.         parent.appendChild(downloadBtn)
  38.     }
  39.  
  40.     function gmRequireImage(url) {
  41.         return new Promise((resolve, reject) => {
  42.             GM_xmlhttpRequest({
  43.                 method: 'GET',
  44.                 url,
  45.                 responseType: 'blob',
  46.                 onload: res => {
  47.                     resolve(res.response)
  48.                 }
  49.             })
  50.         })
  51.     }
  52.  
  53.     async function downloadByFanboxId(creatorId) {
  54.         let textDiv = document.querySelector('#amarillys-download-progress')
  55.         textDiv.innerHTML = ` ...... `
  56.         let creatorInfo = await getAllPostsByFanboxId(creatorId)
  57.  
  58.         let zip = new JSZip()
  59.         let amount = 0
  60.         let processed = 0
  61.         let waittime = 0
  62.         zip.file('cover.jpg', await gmRequireImage(creatorInfo.cover), { compression: "STORE" })
  63.         for (let i = 0, p = creatorInfo.posts; i < p.length; ++i) {
  64.             let folder = `${p[i].title}-${p[i].id}`
  65.             if (!p[i].body) continue
  66.             let images = p[i].body.images
  67.             if (!images) continue
  68.             for (let j = 0; j < images.length; ++j) {
  69.                 let extension = images[j].extension === 'jpeg' ? 'jpg' : 'png'
  70.                 amount++
  71.                 textDiv.innerHTML = ` ${ processed } / ${ amount } `
  72.                 gmRequireImage(images[j].originalUrl).then(blob => {
  73.                     zip.folder(folder).file(`${folder}_${j}.${extension}`, blob, { compression: "STORE" })
  74.                     waittime--
  75.                     processed++
  76.                     textDiv.innerHTML = ` ${ processed } / ${ amount } `
  77.                     console.log(` Progress: ${ processed } / ${ amount }`)
  78.                 })
  79.             }
  80.         }
  81.         // generate zip to download
  82.         let timer = setInterval(() => {
  83.             waittime++
  84.             if (amount === processed || waittime > 10) {
  85.                 zip.generateAsync({ type: 'blob' }).then(zipBlob => saveBlob(zipBlob, `${creatorId}.zip`))
  86.                 clearInterval(timer)
  87.             }
  88.         }, 1000)
  89.     }
  90.  
  91.     async function getAllPostsByFanboxId(creatorId) {
  92.         let fristUrl = `https://www.pixiv.net/ajax/fanbox/creator?userId=${ creatorId }`
  93.         let creatorInfo = {
  94.             cover: null,
  95.             posts: []
  96.         }
  97.         let firstData = await (await fetch(fristUrl, fetchOptions)).json()
  98.         let body = firstData.body
  99.         creatorInfo.cover = body.creator.coverImageUrl
  100.         creatorInfo.posts.push(...body.post.items)
  101.         let nextPageUrl = body.post.nextUrl
  102.         while (nextPageUrl) {
  103.             let nextData = await (await fetch(nextPageUrl, fetchOptions)).json()
  104.             creatorInfo.posts.push(...nextData.body.items)
  105.             nextPageUrl = nextData.body.nextUrl
  106.         }
  107.         return creatorInfo
  108.     }
  109.  
  110.     function saveBlob(blob, fileName) {
  111.         let downloadDom = document.createElement('a')
  112.         downloadDom.id = 'fuck'
  113.         document.body.appendChild(downloadDom)
  114.         downloadDom.style = `display: none`
  115.         let url = window.URL.createObjectURL(blob)
  116.         downloadDom.href = url
  117.         downloadDom.download = fileName
  118.         downloadDom.click()
  119.         window.URL.revokeObjectURL(url)
  120.     }
  121.  
  122. })();