// ==UserScript==
// @name FAB Free Asset Getter
// @namespace Violentmonkey Scripts
// @copyright 2024, subtixx (https://openuserjs.org/users/subtixx)
// @match https://www.fab.com/channels/*
// @grant none
// @license AGPL-3.0-or-later
// @version 1.0
// @author Dominic Hock <[email protected]>
// @description A script to get all free assets from the FAB marketplace
// ==/UserScript==
(function () {
`use strict`;
function getCSRFToken() {
// Get from fab_csrftoken cookie
let cookies = document.cookie.split(";");
for (let i = 0; i < cookies.length; i++) {
let cookie = cookies[i].trim();
if (cookie.startsWith("fab_csrftoken=")) {
return cookie.split("=")[1];
}
}
return "";
}
async function getAcquiredIds(listings) {
console.log("Getting acquired ids");
// max listings is 24 so just cut
if (listings.length > 24) {
console.error("Too many listings");
return [];
}
// Convert uid array to listing_ids=X&listing_ids=Y&listing_ids=Z
let ids = listings
.filter(listing => !listing.isOwned)
.map(listing => listing.id)
.join("&listing_ids=");
//[{"uid":"5059af80-527f-4dda-8e75-7dde4dfcdf81","acquired":true,"rating":null}]
let result = await fetch("https://www.fab.com/i/users/me/acquired-content?listing_ids=" + ids, {
"credentials": "include",
"headers": {
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0",
"Accept": "application/json, text/plain, */*",
"Accept-Language": "en",
"X-Requested-With": "XMLHttpRequest",
"X-CsrfToken": getCSRFToken(),
"Sec-GPC": "1",
"Sec-Fetch-Dest": "empty",
"Sec-Fetch-Mode": "cors",
"Sec-Fetch-Site": "same-origin"
},
"referrer": "https://www.fab.com/channels/unreal-engine?is_free=1&sort_by=-createdAt&is_ai_generated=0",
"method": "GET",
"mode": "cors"
});
let json = await result.json();
let acquired = [];
for (let i = 0; i < json.length; i++) {
if (json[i].acquired) {
acquired.push(json[i].uid);
}
}
let alreadyAcquired = listings.filter(listing => listing.isOwned).length;
console.log("Acquired " + acquired.length + " of " + listings.length + " listings (" + alreadyAcquired + " already acquired were skipped)");
return acquired;
}
async function getIds() {
let results = document.getElementsByClassName("fabkit-ResultGrid-root")[0];
let foundItems = results.childNodes;
let currentListings = [];
for (let i = 0; i < foundItems.length; i++) {
let element = foundItems[i];
// Check if we have a listing
if (foundItems[i].getElementsByClassName("fabkit-Stack-root").length <= 0) {
console.error("No listing found?? " + element);
continue;
}
let root = foundItems[i].getElementsByClassName("fabkit-Stack-root")[0];
if (root.getElementsByClassName("fabkit-Stack-root").length <= 0) {
console.error("No listing found?? " + element);
continue;
}
let root2 = root.getElementsByClassName("fabkit-Stack-root")[1];
let thumbOverlay = root.getElementsByClassName("fabkit-Thumbnail-overlay")[0];
let name = root2.getElementsByClassName("fabkit-Typography-root")[0].innerText;
let url = thumbOverlay.href;
let isOwned = root2.getElementsByClassName("fabkit-Typography-root")[2].innerText === "Owned";
console.debug(name + " - " + url + ": " + isOwned);
if (url === undefined) {
console.log("Not loaded???? ", url, element)
return;
}
// Extract id
let id = url.split("/").pop();
currentListings.push({
isOwned: isOwned,
name: name,
id: id
});
}
let acquired = [];
console.log("Need to check " + currentListings.length + " listings");
if (currentListings.length > 24) {
console.log("Too many listings, splitting into 24 chunks");
// Slice, request, join, until we are finished
for (let i = 0; i < currentListings.length; i += 24) {
let partial = await getAcquiredIds(currentListings.slice(i, i + 24));
acquired = acquired.concat(partial);
await new Promise(resolve => setTimeout(resolve, 1000));
}
}
else {
acquired = await getAcquiredIds(currentListings);
}
await new Promise(resolve => setTimeout(resolve, 1000));
// [{id:"",offerId:""}]
let offers = [];
for (let i = 0; i < currentListings.length; i++) {
console.log("Checking " + currentListings[i].name + " (" + currentListings[i].id + ")");
let currentListing = currentListings[i];
if (acquired.includes(currentListing.id)) {
console.log(currentListing.name + " (" + currentListing.id + ") already acquired");
continue;
}
let result = await fetch("https://www.fab.com/i/listings/" + currentListing.id, {
"credentials": "include",
"headers": {
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0",
"Accept": "application/json, text/plain, */*",
"Accept-Language": "en",
"X-Requested-With": "XMLHttpRequest",
"X-CsrfToken": getCSRFToken(),
"Sec-GPC": "1",
"Sec-Fetch-Dest": "empty",
"Sec-Fetch-Mode": "cors",
"Sec-Fetch-Site": "same-origin",
"Priority": "u=0"
},
"referrer": "https://www.fab.com/listings/" + currentListing.id,
"method": "GET",
"mode": "cors"
});
// licenses -> foreach -> get where price 0 -> buy
let json = await result.json();
let listingOffers = [];
for (let j = 0; j < json.licenses.length; j++) {
let license = json.licenses[j];
if (license.priceTier.price != 0) {
continue;
}
offers.push({
name: currentListing.name,
id: currentListing.id,
offerId: license.offerId
});
listingOffers.push(license.offerId);
console.log("Found free offer for " + currentListing.name + " (" + currentListing.id + ")");
}
if (listingOffers.length == 0) {
console.log("No free offers found for " + currentListing.name + " (" + currentListing.id + ")");
}
await new Promise(resolve => setTimeout(resolve, 500));
}
for (let i = 0; i < offers.length; i++) {
console.log("Trying to add " + offers[i].name + " (" + offers[i].id + ")");
let result = await fetch("https://www.fab.com/i/listings/" + offers[i].id + "/add-to-library", {
"credentials": "include",
"headers": {
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0",
"Accept": "application/json, text/plain, */*",
"Accept-Language": "en",
"X-Requested-With": "XMLHttpRequest",
"X-CsrfToken": getCSRFToken(),
"Content-Type": "multipart/form-data; boundary=---------------------------4056384097365570293376228769",
"Sec-GPC": "1",
"Sec-Fetch-Dest": "empty",
"Sec-Fetch-Mode": "cors",
"Sec-Fetch-Site": "same-origin",
"Priority": "u=0"
},
"referrer": "https://www.fab.com/listings/" + offers[i].id,
"body": "-----------------------------4056384097365570293376228769\r\nContent-Disposition: form-data; name=\"offer_id\"\r\n\r\n" + offers[i].offerId + "\r\n-----------------------------4056384097365570293376228769\r\n-----------------------------4056384097365570293376228769--\r\n",
"method": "POST",
"mode": "cors"
});
// check for 200
if (result.status == 200 || result.status == 201 || result.status == 202 || result.status == 204) {
console.log("Added " + offers[i].name + " (" + offers[i].id + ")");
}
else {
console.log("Failed to add " + offers[i].name + " (" + offers[i].id + ")");
}
console.log("Progress: " + (i + 1) + "/" + offers.length + " (" + ((i + 1) / offers.length * 100).toFixed(2) + "%)");
await new Promise(resolve => setTimeout(resolve, 500));
}
return foundItems[foundItems.length - 1];
}
async function getAll() {
let last;
last = await getIds();
for (let i = 0; i < 64; i++) {
// Scroll to last item and wait for 5 seconds
last.scrollIntoView();
console.log("Scrolling...");
await new Promise(resolve => setTimeout(resolve, 5000));
console.log("Refreshing...");
last = await getIds();
console.log("Done");
}
}
function doControlsExist() {
var sortContainer = getSortContainer();
return sortContainer.querySelector(`.tmnky-custom-controld`);
}
function getSortContainer() {
return document.getElementsByClassName(`fabkit-Surface-root`)[0].childNodes[0];
}
function addControls() {
var hideOwnedCheckbox = createCheckbox(`Get Free Assets`);
var sortContainer = getSortContainer();
var onSaleCheckbox = sortContainer.querySelector(`:nth-child(4)`)
if (onSaleCheckbox && onSaleCheckbox.parentElement === sortContainer) {
sortContainer.insertBefore(hideOwnedCheckbox, onSaleCheckbox);
}
}
function createCheckbox(text) {
var checkboxAccordionHeaderContainer = document.createElement(`h2`);
checkboxAccordionHeaderContainer.className = `fabkit-Accordion-headerContainer tmnky-custom-controld`;
var checkboxAccordionHeader = document.createElement(`label`);
checkboxAccordionHeader.className = `fabkit-Accordion-header`;
var textElement = document.createTextNode(text);
checkboxAccordionHeader.appendChild(textElement);
checkboxAccordionHeaderContainer.appendChild(checkboxAccordionHeader);
var checkboxAccordionHeaderRight = document.createElement(`div`);
checkboxAccordionHeaderRight.className = `fabkit-Accordion-headerRight`;
checkboxAccordionHeader.appendChild(checkboxAccordionHeaderRight);
var checkboxElement = document.createElement(`button`);
checkboxElement.addEventListener(`click`, function () {
getAll();
});
checkboxElement.innerText = "Get";
checkboxAccordionHeaderRight.appendChild(checkboxElement);
return checkboxAccordionHeaderContainer;
}
function onBodyChange(mut) {
if (!doControlsExist()) {
addControls();
}
}
var mo = new MutationObserver(onBodyChange);
mo.observe(document.body, {
childList: true,
subtree: true
});
})();
