Adds magnet links to BT4G and Limetorrents
// ==UserScript==
// @name Magnet Links for BT4G and Limetorrents
// @version 20240622c
// @author reaseno
// @description Adds magnet links to BT4G and Limetorrents
// @homepage https://greasyfork.org/en/scripts/469976/
// @namespace https://greasyfork.org/users/781194
// @match *://bt4gprx.com/*
// @match *://www.limetorrents.lol/search/all/*
// @run-at document-idle
// @compatible chrome
// @license GPL3
// @noframes
// @icon data:image/png;base64,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
// ==/UserScript==
"use strict";
const style = document.createElement("style");
style.textContent = `
.magnet-link-img {
cursor: pointer;
margin: 0px 5px 2px;
border-radius: 50%;
vertical-align: bottom;
height: 20px;
transition: filter 0.2s ease;
}
`;
document.head.appendChild(style);
const hostname = location.hostname;
let magnetImage = GM_info.script.icon;
function getSearchResultLinks() {
if (hostname === "bt4gprx.com") {
return document.querySelectorAll('a[href*="/magnet/"]:not([href^="magnet:"])');
} else if (hostname === "www.limetorrents.lol") {
return document.querySelectorAll('a[href*="//itorrents.org/torrent/"]');
}
}
/**
* @param {String} tag Elements HTML Tag
* @param {String|RegExp} regex Regular expression or string for text search
* @param {Number} index Item Index
* @returns {Object|null} Node or null if not found
*/
function getElementByText(tag, regex, item = 0) {
if (typeof regex === "string") {
regex = new RegExp(regex);
}
const elements = document.getElementsByTagName(tag);
let count = 0;
for (let i = 0; i < elements.length; i++) {
if (regex.test(elements[i].textContent)) {
if (count === item) {
return elements[i];
}
count++;
}
}
return null;
}
function insertMagnetLink(link, hash) {
const magnetLink = `magnet:?xt=urn:btih:${hash}`;
const newLink = document.createElement("a");
newLink.classList.add("magnet-link");
newLink.href = magnetLink;
newLink.addEventListener("click", function () {
imgElement.style.filter = "grayscale(100%) opacity(0.7)";
});
const imgElement = document.createElement("img");
imgElement.src = magnetImage;
imgElement.classList.add("magnet-link-img");
newLink.appendChild(imgElement);
link.parentNode.insertBefore(newLink, link);
}
function extractHashFromUrl(href) {
const hashRegex = /(^|\/|&|-|\.|\?|=|:)([a-fA-F0-9]{40})/;
const matches = href.match(hashRegex);
return matches ? matches[2] : null;
}
async function processLinksInSearchResults() {
const links = Array.from(getSearchResultLinks());
const promises = links.map(async (link) => {
if (hostname === "bt4gprx.com") {
await processLinksInSearchResultsBt4g(link);
} else if (hostname === "www.limetorrents.lol") {
await processLinksInSearchResultsLimeTorrents(link);
}
});
await Promise.all(promises);
// Add amount of magnet links into text
const numLinks = links.length;
const magnetLinkAllSpan = document.querySelector(".magnet-link-all-span");
if (numLinks > 0 && magnetLinkAllSpan) {
magnetLinkAllSpan.innerHTML = `Open all <b>${numLinks}</b> loaded magnet links`;
}
// Remove spam elements
setTimeout(() => {
links.forEach((link) => {
const title = link.title;
if (title.includes("Downloader.exe") || title.includes("Downloader.dmg")) {
link.parentElement.parentElement.style.display = "none";
}
});
}, 100);
}
async function processLinksInSearchResultsBt4g(link) {
try {
const response = await fetch(link.href);
const html = await response.text();
// Find magnet links
const parser = new DOMParser();
const doc = parser.parseFromString(html, "text/html");
// Skip if magnet link exists
const magnetLink = link.getAttribute("data-magnet-added");
if (magnetLink === "true") {
return;
}
const downloadLink = doc.querySelector('a[href^="//downloadtorrentfile.com/hash/"]');
if (downloadLink) {
const hash = extractHashFromUrl(downloadLink.href.split("/").pop().split("?")[0]);
if (hash) {
insertMagnetLink(link, hash);
link.setAttribute("data-magnet-added", "true");
}
}
} catch (error) {
console.error("Error getting magnet link:", error);
}
}
function processLinksInSearchResultsLimeTorrents(link) {
// Skip if magnet link exists
const magnetLink = link.getAttribute("data-magnet-added");
if (magnetLink === "true") {
return;
}
const hash = extractHashFromUrl(link.href.split("/").pop().split("?")[0]);
if (hash) {
insertMagnetLink(link, hash);
link.setAttribute("data-magnet-added", "true");
// Hide unnecessary element
link.style.display = "none";
}
}
function addClickAllMagnetLinks() {
// only needed if document-start
// const openAllMagnetLinks = document.querySelector(".magnet-link-all-span");
// if (openAllMagnetLinks) {
// return;
// }
let itemsFoundElement;
if (hostname === "bt4gprx.com") {
itemsFoundElement = getElementByText("span", /Found\ [0-9].*\ items\ for\ .*/i);
} else if (hostname === "www.limetorrents.lol") {
itemsFoundElement = getElementByText("h2", "Search Results");
}
const targetElement = itemsFoundElement?.parentElement?.children[1];
if (targetElement) {
const openAllMagnetLinksSpan = document.createElement("span");
openAllMagnetLinksSpan.innerHTML = "Open all <b>0</b> loaded magnet links";
openAllMagnetLinksSpan.classList.add("magnet-link-all-span");
openAllMagnetLinksSpan.style.marginLeft = "10px";
const openAllMagnetLinksImg = document.createElement("img");
openAllMagnetLinksImg.src = magnetImage;
openAllMagnetLinksImg.classList.add("magnet-link-img");
openAllMagnetLinksImg.style.cssText = "cursor:pointer;vertical-align:sub;";
targetElement.parentNode.insertBefore(openAllMagnetLinksSpan, targetElement.nextSibling);
openAllMagnetLinksSpan.parentNode.insertBefore(openAllMagnetLinksImg, openAllMagnetLinksSpan.nextSibling);
openAllMagnetLinksImg.addEventListener("click", () => {
const addedMagnetLinks = document.querySelectorAll("a.magnet-link");
if (addedMagnetLinks.length > 0) {
openAllMagnetLinksImg.style.filter = "grayscale(100%) opacity(0.7)";
addedMagnetLinks.forEach((link, index) => {
setTimeout(() => {
link.click();
}, index * 100);
});
} else {
openAllMagnetLinksSpan.textContent = "No magnet links found";
}
});
// for a fixed position and more space, remove superfluous information
if (hostname === "bt4gprx.com") {
itemsFoundElement.innerHTML = itemsFoundElement.innerHTML.replace(/(\ items)\ for\ .*/, "$1");
} else if (hostname === "www.limetorrents.lol") {
itemsFoundElement.textContent = "";
}
}
}
function observeSearchResults() {
const observer = new MutationObserver(() => {
observer.disconnect();
setTimeout(() => {
processLinksInSearchResults().then(() => {
observeSearchResults();
});
}, 500);
});
observer.observe(document, {
childList: true,
subtree: true,
});
}
function main() {
// search results page
if (window.location.href.match(/\/search/)) {
addClickAllMagnetLinks();
observeSearchResults();
processLinksInSearchResults();
}
// BT4G only: torrent detail page
if (window.location.href.match(/\/magnet/)) {
const link = document.querySelector('a[href*="/hash/"]:not([href^="magnet:"])');
const hash = extractHashFromUrl(link.href || "");
if (hash) {
insertMagnetLink(link, hash);
}
}
}
main();