Nexus No Wait

Download from Nexusmods.com without wait and redirect (support Manual/Vortex/MO2/NMM)

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Nexus No Wait
// @description Download from Nexusmods.com without wait and redirect (support Manual/Vortex/MO2/NMM)
// @namespace   NexusNoWait
// @include     https://www.nexusmods.com/*/mods/*
// @run-at      document-idle
// @grant       GM.xmlHttpRequest
// @grant       GM_xmlhttpRequest
// @version     2.02
// ==/UserScript==

/* jshint esversion: 6 */

(function () {
	let ajaxRequestRaw;

	if (typeof (GM_xmlhttpRequest) !== "undefined") {
		ajaxRequestRaw = GM_xmlhttpRequest;
	} else if (typeof (GM) !== "undefined" && typeof (GM.xmlHttpRequest) !== "undefined") {
		ajaxRequestRaw = GM.xmlHttpRequest;
	}

	function ajaxRequest(obj) {
		if (!ajaxRequestRaw) {
			console.log("Unable to request", obj);

			return;
		}

		const requestObj = {
			url: obj.url,
			method: obj.type,
			data: obj.data,
			headers: obj.headers
		};

		let loadCb = function (result) {
			if (result.readyState !== 4) {
				return;
			}

			if (result.status !== 200) {
				return obj.error(result);
			}

			return obj.success(result.responseText);
		};

		requestObj.onload = loadCb;
		requestObj.onerror = loadCb;

		ajaxRequestRaw(requestObj);
	}

	function btnError(button) {
		button.style.color = "red";
		button.innerText = "ERROR";
	}

	function btnSuccess(button) {
		button.style.color = "green";
		button.innerText = "LOADING";
	}

	function btnWait(button) {
		button.style.color = "yellow";
		button.innerText = "WAIT";
	}

	function clickListener(event) {
		const href = this.href || window.location.href;
		const params = new URL(href).searchParams;

		if (params.get("file_id")) {
			let button = event;
			if (this.href) {
				button = this;
				event.preventDefault();
			}
			btnWait(button);

			const section = document.getElementById("section");
			const gameId = section ? section.dataset.gameId : this.current_game_id;

			let fileId = params.get("file_id");
			if (!fileId) {
				fileId = params.get("id");
			}

			if (!params.get("nmm")) {
				ajaxRequest({
					type: "POST",
					url: "/Core/Libs/Common/Managers/Downloads?GenerateDownloadUrl",
					data: "fid=" + fileId + "&game_id=" + gameId,
					headers: {
						Origin: "https://www.nexusmods.com",
						Referer: href,
						"Sec-Fetch-Site": "same-origin",
						"X-Requested-With": "XMLHttpRequest",
						"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"
					},
					success(data) {
						if (data) {
							try {
								data = JSON.parse(data);

								if (data.url) {
									btnSuccess(button);
									document.location.href = data.url;
								}
							} catch (e) {
								console.error(e);
							}
						}
					},
					error() {
						btnError(button);
					}
				});
			} else {
				ajaxRequest({
					type: "GET",
					url: href,
					headers: {
						Origin: "https://www.nexusmods.com",
						Referer: document.location.href,
						"Sec-Fetch-Site": "same-origin",
						"X-Requested-With": "XMLHttpRequest"
					},
					success(data) {
						if (data) {
							const xml = new DOMParser().parseFromString(data, "text/html");
							const text = String(data);

							let downloadUrlMatch = text.match(/const downloadUrl = '([^']+)'/);
							if (!downloadUrlMatch) {
								downloadUrlMatch = text.match(/id="slowDownloadButton".*?data-download-url="([^"]+)"/);
							}

							downloadUrl = downloadUrlMatch ? downloadUrlMatch[1].replaceAll('&', '&') : xml.getElementById("slowDownloadButton");
							btnSuccess(button);
							document.location.href = downloadUrl;
						}
					},
					error(ajaxContext) {
						console.error(ajaxContext.responseText);
						btnError(button);
					}
				});
			}

			const popup = this.parentNode;
			if (popup && popup.classList.contains("popup")) {
				popup.getElementsByTagName("button")[0].click();
				const popupButton = document.getElementById("popup" + fileId);
				if (popupButton) {
					btnSuccess(popupButton);
				}
			}
		} else if (/ModRequirementsPopUp/.test(href)) {
			const fileId = params.get("id");

			if (fileId) {
				this.setAttribute("id", "popup" + fileId);
			}
		}
	}
	function addClickListener(el) {
		el.addEventListener("click", clickListener, true);
	}

	function addClickListeners(els) {
		for (let i = 0; i < els.length; i++) {
			addClickListener(els[i]);
		}
	}

	function autoStartFileLink() {
		if (/file_id=/.test(window.location.href)) {
			var button = null;
			setTimeout(button = getDonwloadButton(document), 1000);
			if (!button) {
				const sr = document.getElementsByTagName("mod-file-download");
				if (sr && sr[0]?.shadowRoot) {
					button = getDonwloadButton(sr[0].shadowRoot);
				}
			}
			if (button) {
				clickListener(button);
			}
		}
	}

	function getDonwloadButton(doc) {
		var button = doc.getElementById("slowDownloadButton")
		if (button) {
			return button;
		}

		button = doc.getElementById('upsell-cards')
		if (button) {
			const newBtn = button.lastChild?.getElementsByTagName('button');
			return newBtn ? newBtn[0] : button.lastChild;
		}

		button = doc.getElementById("startDownloadButton")
		if (button) {
			return button;
		}
	}

	function archivedFile() {
		if (/[?&]category=archived/.test(window.location.href)) {
			const fileIds = document.getElementsByClassName("file-expander-header");
			const elements = document.getElementsByClassName("accordion-downloads");
			const path = `${location.protocol}//${location.host}${location.pathname}`;
			for (let i = 0; i < elements.length; i++) {
				elements[i].innerHTML = ''
					+ `<li><a class="btn inline-flex" href="${path}?tab=files&amp;file_id=${fileIds[i].getAttribute("data-id")}&amp;nmm=1" tabindex="0">`
					+ "<svg title=\"\" class=\"icon icon-nmm\"><use xlink:href=\"https://www.nexusmods.com/assets/images/icons/icons.svg#icon-nmm\"></use></svg> <span class=\"flex-label\">Mod manager download</span>"
					+ "</a></li><li></li><li>"
					+ `<li><a class="btn inline-flex" href="${path}?tab=files&amp;file_id=${fileIds[i].getAttribute("data-id")}" tabindex="0">`
					+ "<svg title=\"\" class=\"icon icon-manual\"><use xlink:href=\"https://www.nexusmods.com/assets/images/icons/icons.svg#icon-manual\"></use></svg> <span class=\"flex-label\">Manual download</span>"
					+ "</a></li>";
			}
		}
	}

	archivedFile();
	addClickListeners(document.querySelectorAll("a.btn"));
	autoStartFileLink();

	let observer = new MutationObserver(((mutations, observer) => {
		for (let i = 0; i < mutations.length; i++) {
			if (mutations[i].addedNodes) {
				for (let x = 0; x < mutations[i].addedNodes.length; x++) {
					const node = mutations[i].addedNodes[x];

					if (node.tagName === "A" && node.classList.contains("btn")) {
						addClickListener(node);
					} else if (node.children && node.children.length > 0) {
						addClickListeners(node.querySelectorAll("a.btn"));
					}
				}
			}
		}
	}));
	observer.observe(document, { childList: true, subtree: true });
})();