Patreon bulk attachment downloader

patreon.bulk.md

Patreon bulk attachment downloader

To use this script first install Greasemonkey (Firefox only), Violentmonkey or Tampermonkey.

Then click here to install this UserScript!

patreon.bulk.user.js

// ==UserScript==
// @name        Patreon bulk attachment downloader
// @author      anadius
// @namespace   anadius.su
// @match       https://www.patreon.com/posts/*
// @version     1.0.2
// @grant       none
// @require     https://cdn.jsdelivr.net/npm/[email protected]/dist/jszip.min.js
// @require     https://cdn.jsdelivr.net/npm/[email protected]/FileSaver.min.js
// @run-at      document-end
// ==/UserScript==

window.addEventListener("load", () => {

const ATTACHMENTS = document.querySelector("[data-tag=post-attachments]");
const DOWNLOAD_BUTTON = document.createElement("button");
const TITLE = document.querySelector("[data-tag=post-title]").textContent;

const makeCheckbox = (attachment) => {
  const cb = document.createElement("input");
  cb.type = "checkbox";
  if(attachment !== null) {
    cb.filename = attachment.textContent;
    cb.url = attachment.href;
    cb.style.height = "1.35rem";
    cb.classList.add("attachment");
  }
  return cb;
};

const getCheckboxes = () => ATTACHMENTS.querySelectorAll("input.attachment[type=checkbox]");

const readAsBinaryString = blob => new Promise(resolve => {
  const reader = new FileReader();
  reader.onload = function(event) {
    resolve(event.target.result);
  };
  reader.readAsBinaryString(blob);
});

const download = async e => {
  e.preventDefault();

  const zip = new JSZip();
  DOWNLOAD_BUTTON.disabled = "disabled";

  for(const cb of getCheckboxes()) {
    if(cb.checked) {
      const response = await fetch(cb.url);
      const blob = await response.blob();
      cb.classList.add("downloaded");
      zip.file(cb.filename, await readAsBinaryString(blob), {binary: true});
    }
  }

  zip.generateAsync({type:"blob"})
    .then(function(content) {
    saveAs(content, `${TITLE}.zip`);
  });
  DOWNLOAD_BUTTON.disabled = "";
};


for(const attachment of ATTACHMENTS.querySelectorAll("[data-tag=post-attachment-link]")) {
  attachment.before(makeCheckbox(attachment));
}

const div = document.createElement("div");
const toggleAll = makeCheckbox(null);
toggleAll.addEventListener("click", () => {
  for(const cb of getCheckboxes()) {
    cb.checked = toggleAll.checked;
  }
});

DOWNLOAD_BUTTON.innerHTML = "Download";
DOWNLOAD_BUTTON.addEventListener("click", download);

const label = document.createElement("label");
label.innerHTML = " Toggle all ";
label.prepend(toggleAll);

div.append(label, DOWNLOAD_BUTTON);
ATTACHMENTS.append(div);

document.styleSheets[0].addRule("input.attachment.downloaded[type=checkbox] + a:after",'content: "✅"');

})();

hi anadius, it dosent work anymore. could you please fix it?

Just tested on a random post I used for testing in the past: https://www.patreon.com/posts/83804756

Works perfectly fine. Maybe you have some outdated version of the script.

Just tested on a random post I used for testing in the past: https://www.patreon.com/posts/83804756

Works perfectly fine. Maybe you have some outdated version of the script.

i have just tested it on chrome and firefox but both of them didnt work. The extension still worked for me 3 weeks ago. (i use tampermonkey)
when i try Greasemonkey, it only downloads the first file. Violentmonkey also doesnt work

"didnt work" doesn't tell me shit. I sent a link to a post that works perfectly fine for me in Firefox with Greasemonkey and the newest version (1.0.2) of this script. I don't know what you're trying to download. You didn't provide any link, you didn't specify if you tested the link I sent or something else. Send one more useless comment and I'm blocking you.

I think the problem is actually Tampermonkey and Violentmonkey. I tried with both Tampermonkey and Violentmonkey on Zen, a FF fork, and on Edge. With either extension, the toggle and download all button appear, but if I click the button, it greys out and nothing downloads. I tested with this post, this post and the post you linked. Then I tried with Greasemonkey on FF, and everything works as it should.

You're right. It doesn't work in Tampermonkey and Violentmonkey. There were some issues with downloading, but it's nothing a GM.xmlHttpRequest can't solve. The real problem is that the code responsible for generating the ZIP file doesn't work. I don't know why. It doesn't throw any errors for me to read. I assume it may be a combination of Tampermonkey/Violentmonkey working differently than Greasemonkey and Patreon adding some content policy rules, that broke TM/VM. I'm not going to dive into the jszip code because I don't have time and that's not really something I'm going to fix anyway - since it's not my script's fault. It works in Firefox + Greasemonkey. Use that.

I think the problem is actually Tampermonkey and Violentmonkey. I tried with both Tampermonkey and Violentmonkey on Zen, a FF fork, and on Edge. With either extension, the toggle and download all button appear, but if I click the button, it greys out and nothing downloads. I tested with this post, this post and the post you linked. Then I tried with Greasemonkey on FF, and everything works as it should.

Thank you for clarifying the issue. I tested it on mac and windows and both of them freezed. The box and download button didnt show up on mac. Greasemonkey only downloads the first file. Anadius couldnt even realize the problem because he always has a shitty ego.

@legendarygamer2022 are you dumb? They clearly said that it works fine in Firefox with Greasemonkey. So if it doesn't work for you - that's on your side. You haven't even provided ANY FUCKING LINKS yet.