Steam Workshop download button User Script

workshop-download-button.js

// ==UserScript==
// @name           Steam Workshop Downloader
// @version        0.1
// @description    Downloads steam workshop items using steamworkshopdownloader api
// @author         El Boletaire
// @include        *steamcommunity.com/sharedfiles/filedetails/?*id=*
// @include        *steamcommunity.com/workshop/filedetails/?*id=*
// @grant          GM_xmlhttpRequest
// @namespace      https://github.com/elboletaire
// ==/UserScript==

(function() {
  'use strict'
 
  addButton()
})();

function post(url, data) {
  return new Promise((resolve, reject) => {
    GM_xmlhttpRequest({
      method: 'POST',
      url: url,
      data: data,
      headers: {
        'Accept': 'application/json, text/plain, */*',
        'Accept-Language': 'en-US,en;q=0.5',
        'Accept-Encoding': 'gzip, deflate',
        'Content-Type': 'application/x-www-form-urlencoded',
        'Referer': 'https://steamworkshopdownloader.io/',
      },
      onload: resolve,
    })
  })
}

function downloadButton(text) {
  return `<span>${text}</span>`
}

function addButton() {
  const a = document.createElement('a')
  a.classList.add('btn_darkblue_white_innerfade')
  a.classList.add('btn_border_2px')
  a.classList.add('btn_medium')
  a.id = 'worshop-download-btn'
  a.innerHTML = downloadButton('Download')
  a.onclick = () => {
    a.innerHTML = downloadButton('Downloading...')
    download(getFileID(),a)
  }
  const element = document.getElementById('SubscribeItemBtn')
  element.style.float = 'left'
  element.style.width = '100%'
  a.style.float = 'left'
  a.style.width = '100%'

  const [title] = document.querySelectorAll('.game_area_purchase_game h1')
  title.style.width = '900px'
  element.parentNode.insertBefore(a, element.nextSibling);
}

function getFileID() {
  const url_string = window.location.href
  const url = new URL(url_string)
  const id = url.searchParams.get('id')
  return id
}

let str = 'retrieving'
function statusPost(uuid) {
  post('https://api.steamworkshopdownloader.io/api/download/status', JSON.stringify({uuids: [uuid]})).then((res) => {
    JSON.parse(res.responseText, (key, value) => {
      if (key === 'status' && value === 'prepared') {
        str = value
      }
    })
  })
  return str
}

function downloadRequestData(itemId) {
  return JSON.stringify({
    publishedFileId: parseInt(itemId, 10),
    collectionId: null,
    extract: true,
    hidden: true,
    direct: false,
  })
}

function download(itemId) {
  post('https://api.steamworkshopdownloader.io/api/download/request',  downloadRequestData(itemId)).then((res) => {
    const [,,,uuid] = res.responseText.split('\"')
    const request = `https://api.steamworkshopdownloader.io/api/download/transmit?uuid=${uuid}`
    
    const timer = () => {
      if (statusPost(uuid) === 'prepared') {
        document.getElementById('worshop-download-btn').innerHTML = downloadButton('Download')

        const element = document.createElement('a')
        element.href = request
        document.body.appendChild(element)
        element.click()
        element.remove()

        return
      }

      setTimeout(timer, 250)
    }
    timer()
  })
}

New Link: https://exe.io/GitHub or if that doesnt work then https://github.com/Community-Workshop-Downloader/CommunityWorkshopMain

-- GamingNerdLeith#2591 (Community Workshop Downloader) --