Fanbox Batch Downloader

Batch Download on creator, not post

Tính đến 14-09-2019. Xem phiên bản mới nhất.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Fanbox Batch Downloader
// @namespace    http://tampermonkey.net/
// @version      0.11
// @description  Batch Download on creator, not post
// @author       https://github.com/amarillys
// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.2.2/jszip.min.js
// @match        https://www.pixiv.net/fanbox/creator/*
// @grant        GM_xmlhttpRequest
// @grant        GM_download
// ==/UserScript==

(function() {
    'use strict';

    const fetchOptions = {
        credentials: 'include',
        headers: { Accept: 'application/json, text/plain, */*' }
    }

    window.onload = () => {
        let baseBtn = document.querySelector('[href="/fanbox/notification"]')
        let className = baseBtn.parentNode.className
        let parent = baseBtn.parentNode.parentNode
        let downloadBtn = document.createElement('div')
        downloadBtn.className = className
        downloadBtn.innerHTML = '<a href="javascript:void(0)"><div style="width: 100px;height: 32px;background-color: rgba(102, 102, 102, 0.96);border-radius: 10px;color: #EEE;text-align: center;">Click Here to Download</div></a>'
        downloadBtn.addEventListener('click', () => { console.log('startDownloading'); downloadByFanboxId(parseInt(document.URL.split('/')[5])); })
        parent.appendChild(downloadBtn)
    }

    function gmRequireImage(url) {
        return new Promise((resolve, reject) => {
            GM_xmlhttpRequest({
                method: 'GET',
                url,
                responseType: 'blob',
                onload: res => {
                    resolve(res.response)
                }
            })
        })
    }

    async function downloadByFanboxId(creatorId) {
        let creatorInfo = await getAllPostsByFanboxId(creatorId)

        let zip = new JSZip()
        let amount = 0
        let processed = 0
        let waittime = 0
        zip.file('cover.jpg', await gmRequireImage(creatorInfo.cover), { compression: "STORE" })
        for (let i = 0, p = creatorInfo.posts; i < p.length; ++i) {
            let folder = p[i].title
            console.log(p[i].body)
            if (!p[i].body) continue
            let images = p[i].body.images
            if (!images) continue
            for (let j = 0; j < images.length; ++j) {
                let extension = images[j].extension === 'jpeg' ? 'jpg' : 'png'
                amount++
                gmRequireImage(images[j].originalUrl).then(blob => {
                    zip.folder(folder).file(`${folder}_${j}.${extension}`, blob, { compression: "STORE" })
                    waittime--
                    processed++
                    console.log(` Progress: ${ processed } / ${ amount }`)
                })
            }
        }
        // generate zip to download
        let timer = setInterval(() => {
            waittime++
            if (amount === processed || waittime > 10) {
                zip.generateAsync({ type: 'blob' }).then(zipBlob => saveBlob(zipBlob, `${creatorId}.zip`))
                clearInterval(timer)
            }
        }, 1000)
    }

    async function getAllPostsByFanboxId(creatorId) {
        let fristUrl = `https://www.pixiv.net/ajax/fanbox/creator?userId=${ creatorId }`
        let creatorInfo = {
            cover: null,
            posts: []
        }
        let firstData = await (await fetch(fristUrl, fetchOptions)).json()
        let body = firstData.body
        creatorInfo.cover = body.creator.coverImageUrl
        creatorInfo.posts.push(...body.post.items)
        let nextPageUrl = body.post.nextUrl
        while (nextPageUrl) {
            let nextData = await (await fetch(nextPageUrl, fetchOptions)).json()
            creatorInfo.posts.push(...nextData.body.items)
            nextPageUrl = nextData.body.nextUrl
        }
        return creatorInfo
    }

    function saveBlob(blob, fileName) {
        let downloadDom = document.createElement('a')
        downloadDom.id = 'fuck'
        document.body.appendChild(downloadDom)
        downloadDom.style = `display: none`
        let url = window.URL.createObjectURL(blob)
        downloadDom.href = url
        downloadDom.download = fileName
        downloadDom.click()
        window.URL.revokeObjectURL(url)
    }

})();