Download every mods of a collection in a single click
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// ==UserScript==
// @name Nexus Download Collection
// @namespace NDC
// @version 0.3
// @description Download every mods of a collection in a single click
// @author Drigtime
// @match https://next.nexusmods.com/*/collections*
// @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant GM.xmlHttpRequest
// @grant GM_xmlhttpRequest
// ==/UserScript==
(async function () {
'use strict';
/** CORSViaGM BEGINING */
const CORSViaGM = document.body.appendChild(Object.assign(document.createElement('div'), { id: 'CORSViaGM' }))
addEventListener('fetchViaGM', e => GM_fetch(e.detail.forwardingFetch))
CORSViaGM.init = function (window) {
if (!window) throw 'The `window` parameter must be passed in!'
window.fetchViaGM = fetchViaGM.bind(window)
// Support for service worker
window.forwardingFetch = new BroadcastChannel('forwardingFetch')
window.forwardingFetch.onmessage = async e => {
const req = e.data
const { url } = req
const res = await fetchViaGM(url, req)
const response = await res.blob()
window.forwardingFetch.postMessage({ type: 'fetchResponse', url, response })
}
window._CORSViaGM && window._CORSViaGM.inited.done()
const info = '🙉 CORS-via-GM initiated!'
console.info(info)
return info
}
function GM_fetch(p) {
GM_xmlhttpRequest({
...p.init,
url: p.url, method: p.init.method || 'GET',
onload: responseDetails => p.res(new Response(responseDetails.response, responseDetails))
})
}
function fetchViaGM(url, init) {
let _r
const p = new Promise(r => _r = r)
p.res = _r
p.url = url
p.init = init || {}
dispatchEvent(new CustomEvent('fetchViaGM', { detail: { forwardingFetch: p } }))
return p
}
CORSViaGM.init(window);
/** CORSViaGM END */
function createButtonGroup(options) {
// Function to create a button with specified classes, text, and text content
function createButton(classes, text, content) {
const button = document.createElement('button');
button.className = classes;
button.innerHTML = text;
if (content) {
button.appendChild(content);
}
return button;
}
// Function to create a link with specified classes, text, and href
function createLink(classes, text, href) {
const link = document.createElement('a');
link.className = classes;
link.innerHTML = text;
link.href = href;
return link;
}
// Create the button group container
const buttonGroup = document.createElement('div');
buttonGroup.className = 'inline-flex position-relative vertical-align-middle align-middle w-full';
// Create the main button
const mainButton = createButton('font-montserrat font-semibold text-sm leading-none tracking-wider uppercase leading-none flex gap-x-2 justify-center items-center transition-colors relative min-h-9 focus:outline focus:outline-2 focus:outline-accent focus:outline-offset-2 rounded-l px-4 py-1 cursor-pointer bg-primary fill-font-primary text-font-primary border-transparent focus:bg-primary-lighter hover:bg-primary-darker w-full', options.text);
for (const [eventName, callback] of Object.entries(options.callbacks)) {
mainButton.addEventListener(eventName, callback);
}
// Create the button with the caret icon
const dropdownButton = createButton('font-montserrat font-semibold text-sm leading-none tracking-wider uppercase leading-none flex gap-x-2 justify-center items-center transition-colors relative min-h-9 focus:outline focus:outline-2 focus:outline-accent focus:outline-offset-2 rounded-r px-4 py-1 cursor-pointer bg-primary fill-font-primary text-font-primary border-transparent focus:bg-primary-lighter hover:bg-primary-darker', '');
const caretIcon = document.createElementNS("http://www.w3.org/2000/svg", 'svg');
caretIcon.setAttribute('viewBox', '0 0 24 24');
caretIcon.style.width = '1.5rem';
caretIcon.style.height = '1.5rem';
caretIcon.setAttribute('role', 'presentation');
const caretIconPath = document.createElementNS("http://www.w3.org/2000/svg", 'path');
caretIconPath.style.fill = 'currentColor';
caretIconPath.setAttribute('d', 'M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z');
caretIcon.appendChild(caretIconPath);
dropdownButton.appendChild(caretIcon);
// Create the dropdown container
const dropdownContainer = document.createElement('div');
dropdownContainer.className = 'absolute z-10 hidden min-w-48 py-1 px-0 mt-1 text-base text-gray-600 border-secondary-lighter bg-secondary border border-gray-200 rounded-md shadow-lg outline-none';
for (const dropdownItem of options.dropdownItems) {
// Create the dropdown item
const dropdownItemText = dropdownItem.text;
const dropdownItemElement = createLink('font-montserrat text-sm font-semibold uppercase leading-none tracking-wider first:rounded-t last:rounded-b relative flex w-full items-center gap-x-2 p-4 text-left font-normal hover:bg-secondary-lighter hover:text-primary focus:shadow-accent focus:z-10 focus:outline-none text-center', dropdownItemText, '#');
for (const [eventName, callback] of Object.entries(dropdownItem.callbacks)) {
dropdownItemElement.addEventListener(eventName, callback);
}
// Append the elements to the dropdown container
dropdownContainer.appendChild(dropdownItemElement);
}
// Append the buttons and dropdown to the button group
buttonGroup.appendChild(mainButton);
buttonGroup.appendChild(dropdownButton);
buttonGroup.appendChild(dropdownContainer);
buttonGroup.mainButton = mainButton;
buttonGroup.dropdownButton = dropdownButton;
buttonGroup.dropdownContainer = dropdownContainer;
// Add event listener to toggle dropdown visibility
dropdownButton.addEventListener('click', () => {
// we need to add tranform translate to the dropdown container, so we need to get the width of the main button and add it to the dropdown container
const mainButtonWidth = mainButton.offsetWidth;
const mainButtonHeight = mainButton.offsetHeight;
const dropdownButtonWidth = dropdownButton.offsetWidth;
dropdownContainer.classList.toggle('hidden');
const dropdownContainerWidth = dropdownContainer.offsetWidth;
dropdownContainer.style.transform = `translate(${(mainButtonWidth + dropdownButtonWidth) - dropdownContainerWidth}px, ${mainButtonHeight}px)`;
});
document.addEventListener('click', (event) => {
if (!dropdownButton.contains(event.target) && !dropdownContainer.contains(event.target)) {
// transform translate to the dropdown button
dropdownContainer.style
dropdownContainer.classList.add('hidden');
}
});
// return the button group and its children
return buttonGroup;
}
function createProgressBar() {
const progressBar = document.createElement("div");
progressBar.classList.add("mt-2", "w-full", "bg-gray-200", "rounded-full");
progressBar.style.display = "none";
progressBar.style.height = "1.1rem";
progressBar.style.backgroundColor = "rgb(229 231 235 / 1)";
const bar = document.createElement("div");
bar.classList.add("bg-blue-600", "rounded-full");
bar.style.height = "1.1rem";
bar.style.fontSize = "0.8rem";
bar.style.padding = "0 5px";
bar.style.width = "0%";
bar.style.backgroundColor = "rgb(28 100 242 / 1)";
progressBar.appendChild(bar);
progressBar.bar = bar;
return progressBar;
}
const getModCollection = async (gameId, collectionId) => {
const response = await fetch("https://next.nexusmods.com/api/graphql", {
"headers": {
"accept": "*/*",
"accept-language": "fr;q=0.5",
"api-version": "2023-09-05",
"content-type": "application/json",
"sec-ch-ua": "\"Not_A Brand\";v=\"8\", \"Chromium\";v=\"120\", \"Brave\";v=\"120\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Windows\"",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"sec-gpc": "1"
},
"referrer": `https://next.nexusmods.com/${gameId}/collections/${collectionId}?tab=mods`,
"referrerPolicy": "strict-origin-when-cross-origin",
"body": JSON.stringify({
"query": "query CollectionRevisionMods ($revision: Int, $slug: String!, $viewAdultContent: Boolean) { collectionRevision (revision: $revision, slug: $slug, viewAdultContent: $viewAdultContent) { externalResources { id, name, resourceType, resourceUrl }, modFiles { fileId, optional, file { fileId, name, scanned, size, sizeInBytes, version, mod { adult, author, category, modId, name, pictureUrl, summary, version, game { domainName }, uploader { avatar, memberId, name } } } } } }",
"variables": { "slug": collectionId, "viewAdultContent": true },
"operationName": "CollectionRevisionMods"
}),
"method": "POST",
"mode": "cors",
"credentials": "include"
});
const data = await response.json();
data.data.collectionRevision.modFiles = data.data.collectionRevision.modFiles.map(modFile => {
modFile.file.url = `https://www.nexusmods.com/${gameId}/mods/${modFile.file.mod.modId}?tab=files&file_id=${modFile.file.fileId}`;
return modFile;
});
return data.data.collectionRevision;
}
const getSlowDownloadModLink = async (mod, nmm) => {
let downloadUrl = '';
const url = nmm ? mod.file.url + '&nmm=1' : mod.file.url;
const response = await fetchViaGM(url, {
"headers": {
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8",
"accept-language": "fr;q=0.6",
"cache-control": "max-age=0",
"sec-ch-ua": "\"Not_A Brand\";v=\"8\", \"Chromium\";v=\"120\", \"Brave\";v=\"120\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Windows\"",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "same-origin",
"sec-fetch-user": "?1",
"sec-gpc": "1",
"upgrade-insecure-requests": "1"
},
"referrer": url,
"referrerPolicy": "strict-origin-when-cross-origin",
"body": null,
"method": "GET",
"mode": "cors",
"credentials": "include"
});
const text = await response.text();
const xml = new DOMParser().parseFromString(text, "text/html");
if (nmm) {
const slow = xml.getElementById("slowDownloadButton");
downloadUrl = slow.getAttribute("data-download-url");
} else {
const current_game_id = text.split("\n").find(line => line.includes("window.current_game_id = ")).split("window.current_game_id = ")[1].split(";")[0];
const response = await fetchViaGM("https://www.nexusmods.com/Core/Libs/Common/Managers/Downloads?GenerateDownloadUrl", {
"headers": {
"accept": "*/*",
"accept-language": "fr;q=0.5",
"content-type": "application/x-www-form-urlencoded; charset=UTF-8",
"sec-ch-ua": "\"Not_A Brand\";v=\"8\", \"Chromium\";v=\"120\", \"Brave\";v=\"120\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Windows\"",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "no-cors",
"sec-fetch-site": "same-origin",
"sec-gpc": "1",
"x-requested-with": "XMLHttpRequest"
},
// set cookie
"referrer": url,
"referrerPolicy": "strict-origin-when-cross-origin",
"body": `fid=${mod.file.fileId}&game_id${current_game_id}`,
"method": "POST",
"mode": "cors",
"credentials": "include"
});
const data = await response.json();
downloadUrl = data.url;
}
return downloadUrl;
};
const addModToVortex = async (mod) => {
const downloadUrl = await getSlowDownloadModLink(mod, true);
document.location.href = downloadUrl;
};
const downloadModFile = async (mod) => {
const downloadUrl = await getSlowDownloadModLink(mod, false);
document.location.href = downloadUrl;
};
const downloadMods = async (mods, callback) => {
let downloadProgress = 0;
let downloadProgressPercent = 0;
progressBar.style.display = "block";
for (const mod of mods) {
await callback(mod);
console.log(`[NDC] Opened : ${mod.file.url}`);
downloadProgress += 1;
downloadProgressPercent = downloadProgress / mods.length * 100;
progressBar.bar.style.width = `${downloadProgressPercent}%`;
progressBar.bar.innerText = `${Math.round(downloadProgressPercent)}%`;
console.log(`[NDC] Progress : ${Math.round(downloadProgressPercent)}%`);
}
progressBar.style.display = "none";
progressBar.bar.style.width = "0%";
};
let buttonFlag = false;
const appendButtonToTabContent = async () => {
// on element div id="tabcontent-mods" appear append button
const tabcontentMods = document.querySelector("#tabcontent-mods");
const NDCContainer = document.querySelector("#NDCContainer");
if (!tabcontentMods) {
buttonFlag = false;
}
if (tabcontentMods && NDCContainer === null && !buttonFlag) {
buttonFlag = true;
const loadingContainer = createButtonGroup({
text: `Loading...`,
callbacks: {},
dropdownItems: []
});
document.querySelector("#tabcontent-mods > div > div > div").prepend(loadingContainer);
const gameId = document.location.pathname.split("/")[1];
const collectionId = document.location.pathname.split("/")[3];
const mods = await getModCollection(gameId, collectionId);
const { mandatoryMods, optionalMods } = mods.modFiles.reduce((acc, mod) => {
if (mod.optional) {
acc.optionalMods.push(mod);
} else {
acc.mandatoryMods.push(mod);
}
return acc;
}, { mandatoryMods: [], optionalMods: [] });
// Example usage:
const addToVortexButtonGroup = createButtonGroup({
text: `Add all mods to vortex <span class="p-2 bg-secondary rounded-full text-xs text-white">${mods.modFiles.length} mods</span>`,
callbacks: {
click: () => downloadMods([...mandatoryMods, ...optionalMods], addModToVortex),
},
dropdownItems: [
{
text: `Add all mandatory mods <span class="p-2 bg-primary rounded-full text-xs text-white">${mandatoryMods.length} mods</span>`,
callbacks: {
click: () => downloadMods(mandatoryMods, addModToVortex),
},
},
{
text: `Add all optional mods <span class="p-2 bg-primary rounded-full text-xs text-white">${optionalMods.length} mods</span>`,
callbacks: {
click: () => downloadMods(optionalMods, addModToVortex),
},
},
]
});
const downloadFilesButtonGroup = createButtonGroup({
text: `Download all mods files <span class="p-2 bg-secondary rounded-full text-xs text-white">${mods.modFiles.length} mods</span>`,
callbacks: {
click: () => downloadMods([...mandatoryMods, ...optionalMods], downloadModFile),
},
dropdownItems: [
{
text: `Download all mandatory mods files <span class="p-2 bg-primary rounded-full text-xs text-white">${mandatoryMods.length} mods</span>`,
callbacks: {
click: () => downloadMods(mandatoryMods, downloadModFile),
},
},
{
text: `Download all optional mods files <span class="p-2 bg-primary rounded-full text-xs text-white">${optionalMods.length} mods</span>`,
callbacks: {
click: () => downloadMods(optionalMods, downloadModFile),
},
},
]
});
const NDCContainer = document.createElement("div");
NDCContainer.id = "NDCContainer";
NDCContainer.classList.add("flex", "flex-col", "gap-y-2", "w-full");
// add addToVortexButtonGroup and downloadFilesButtonGroup in a row
const NDCContainerButtonGroup = document.createElement("div");
NDCContainerButtonGroup.classList.add("flex", "gap-x-2");
NDCContainerButtonGroup.appendChild(addToVortexButtonGroup);
// NDCContainerButtonGroup.appendChild(downloadFilesButtonGroup);
NDCContainer.appendChild(NDCContainerButtonGroup);
// add progress bar
const progressBar = createProgressBar();
NDCContainer.appendChild(progressBar);
loadingContainer.remove();
document.querySelector("#tabcontent-mods > div > div > div").prepend(NDCContainer);
}
};
// on element div id="tabcontent-mods" appear append button
const observer = new MutationObserver(appendButtonToTabContent);
observer.observe(document.querySelector('#__next'), { childList: true, subtree: true });
// trigger the observer callback for the first time
appendButtonToTabContent();
})();