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FanboxAutoDownload.user.js
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FanboxAutoDownload.user.js
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// ==UserScript==
// @name FanboxAutoDownload
// @namespace Yr
// @version 1.1
// @description Download all pictures in pixiv fanbox
// @author yanagiragi
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip/3.2.0/jszip.js
// @require https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.8/FileSaver.js
// @match https://*.fanbox.cc/posts/*
// @grant GM_download
// @grant GM.xmlHttpRequest
// ==/UserScript==
function getImageBase64(index, path) {
return new Promise((resolve, reject) => {
const extension = path.substring(path.lastIndexOf('.') + 1)
GM.xmlHttpRequest({
method: "GET",
url: path,
overrideMimeType: 'text/plain; charset=x-user-defined',
onload: response => {
let binary = "";
const responseText = response.responseText;
const responseTextLen = responseText.length;
for (let i = 0; i < responseTextLen; i++) {
binary += String.fromCharCode(responseText.charCodeAt(i) & 255)
}
// Note there is no 'data:image/jpeg;base64,' Due to JSZip
let src = btoa(binary)
console.log(`Downloaded: ${index}.${extension}, src=${path}`)
resolve({ 'index': index, 'base64': src, 'extension': extension })
}
})
})
}
async function Compress(title, pics) {
console.log(`Start Compress`)
const zip = new JSZip();
const folder = zip.folder(title);
for (let i = 0; i < pics.length; ++i) {
folder.file(`${pics[i].index}.${pics[i].extension}`, pics[i].base64, { base64: true })
}
const content = await zip.generateAsync({ type: "blob", streamFiles: true }, metadata => {
console.log(`Compress Progress = ${metadata.percent} %`)
})
console.log(`All Done, Save to ${title}.zip`);
return saveAs(content, `${title}.zip`);
}
async function downloadWrapper(metaData) {
const [title, img] = metaData
const tasks = img.map(async (x, idx) => getImageBase64(idx, x))
const result = await Promise.all(tasks)
console.log(result)
return await Compress(title, result)
}
async function Run(callback) {
window.scrollTo(0, document.body.scrollHeight);
const title = document.querySelector('.sc-1vjtieq-8').textContent
const imgs = [...document.querySelectorAll('.gcZCGE')].map(x => x.href)
const metaData = [title, imgs]
await downloadWrapper(metaData)
console.log('Done')
setTimeout(window.close, 1000 * 3)
}
(function () {
'use strict';
setTimeout(Run, 1000 * 5)
})();