Nexus No Wait

Download from Nexusmods.com without wait and redirect (support Manual/Vortex/MO2/NMM)
换行
// ==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     2.01
// ==/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 slow = xml.getElementById("slowDownloadButton");
							const downloadUrl = slow.getAttribute("data-download-url");
							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)) {
			clickListener(document.getElementById("slowDownloadButton"));
		}
	}

	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});
})();
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