Ultimate Instance Redirect

Redirect social media to privacy frontends, remember mirror, switch instances with button and Ctrl+Shift+R hotkey. SponsorBlock removed. Sticky redirects enabled.

Vous devrez installer une extension telle que Tampermonkey, Greasemonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Userscripts pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey pour installer ce script.

Vous devrez installer une extension de gestionnaire de script utilisateur pour installer ce script.

(J'ai déjà un gestionnaire de scripts utilisateur, laissez-moi l'installer !)

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

(J'ai déjà un gestionnaire de style utilisateur, laissez-moi l'installer!)

// ==UserScript==
// @name         Ultimate Instance Redirect
// @namespace    violentmonkey.ultimate.redirect
// @version      2.6
// @description  Redirect social media to privacy frontends, remember mirror, switch instances with button and Ctrl+Shift+R hotkey. SponsorBlock removed. Sticky redirects enabled.
// @author       Amil John
// @match        *://*reddit.com/*
// @match        *://*.reddit.com/*
// @match        *://*twitter.com/*
// @match        *://*.twitter.com/*
// @match        *://*x.com/*
// @match        *://*.x.com/*
// @match        *://*/*
// @grant        none
// @license     CC-BY-NC-4.0
// @run-at       document-start
// ==/UserScript==


(function () {
    'use strict';

    const STORAGE_KEY_PREFIX = "preferredFrontend:";

    const serviceRedirects = [
        {
            name: "Reddit",
            match: /(?:^|\.)reddit\.com$/,
            storageKey: STORAGE_KEY_PREFIX + "reddit",
            frontends: [
                "https://redlib.catsarch.com",
                "https://redlib.perennialte.ch",
                "https://redlib.r4fo.com",
                "https://redlib.privacyredirect.com",
                "https://libreddit.diffraction.dev",
                "https://redlib.privadency.com",
                "https://redlib.scanash.xyz"
            ]
        },
        {
            name: "YouTube",
            match: /(?:^|\.)youtube\.com$/,
            storageKey: STORAGE_KEY_PREFIX + "youtube",
            frontends: [
                "https://yewtu.be",
                "https://inv.nadeko.net",
            ]
        },
        {
            name: "Twitter",
            match: /(?:^|\.)twitter\.com$|(?:^|\.)x\.com$/,
            storageKey: STORAGE_KEY_PREFIX + "twitter",
            frontends: [
                "https://nitter.net",
                "https://nitter.poast.org",
            ]
        }
    ];

    const currentHost = window.location.hostname;

    function getCurrentService() {
        return serviceRedirects.find(service => service.match.test(currentHost));
    }

    function getFrontendByHost(hostname) {
        return serviceRedirects.find(service =>
            service.frontends.some(url => new URL(url).hostname === hostname)
        );
    }

    function getStoredFrontend(service) {
        const url = localStorage.getItem(service.storageKey);
        return url && service.frontends.includes(url) ? new URL(url) : null;
    }

    function setStoredFrontend(service, frontendURL) {
        localStorage.setItem(service.storageKey, frontendURL.toString());
    }

    function getRandomFrontend(service, excludeHostname = null) {
        const filtered = excludeHostname
            ? service.frontends.filter(u => new URL(u).hostname !== excludeHostname)
            : [...service.frontends];
        return new URL(filtered[Math.floor(Math.random() * filtered.length)]);
    }

    function switchFrontend() {
        const service = getFrontendByHost(currentHost);
        if (!service) return;

        const newFrontend = getRandomFrontend(service, currentHost);
        setStoredFrontend(service, newFrontend.toString());
        const newUrl = newFrontend + window.location.pathname + window.location.search + window.location.hash;
        window.location.href = newUrl;
    }

    function createSwitcherButton() {
        const service = getFrontendByHost(currentHost);
        if (!service) return;

        const btn = document.createElement("button");
        btn.innerText = `🔄 Switch Instance (Ctrl + Shift + R)`;
        Object.assign(btn.style, {
            position: "fixed",
            bottom: "12px",
            right: "12px",
            zIndex: "99999",
            padding: "10px 14px",
            backgroundColor: "#222",
            color: "#fff",
            border: "none",
            borderRadius: "6px",
            cursor: "pointer",
            fontWeight: "bold",
            fontSize: "14px",
            boxShadow: "0 2px 8px rgba(0,0,0,0.3)"
        });
        btn.addEventListener("click", switchFrontend);

        const tryInsert = () => (document.body || document.documentElement).appendChild(btn);

        if (document.readyState === "loading") {
            document.addEventListener("DOMContentLoaded", tryInsert);
        } else {
            tryInsert();
        }
    }

    function addHotkey() {
        document.addEventListener("keydown", function (e) {
            const service = getFrontendByHost(currentHost);
            if (e.ctrlKey && e.shiftKey && e.code === "KeyR" && service) {
                e.preventDefault();
                switchFrontend();
            }
        });
    }

    function rewriteLinks() {
        document.querySelectorAll("a[href]").forEach(link => {
            try {
                const url = new URL(link.href);
                const service = serviceRedirects.find(svc => svc.match.test(url.hostname));
                if (service) {
                    const saved = getStoredFrontend(service);
                    if (saved) {
                        url.hostname = new URL(saved).hostname;
                        url.protocol = "https:";
                        link.href = url.toString();
                    }
                }
            } catch (_) {}
        });
    }

    function redirectIfOnService() {
        const service = getCurrentService();
        if (!service) return;

        const saved = getStoredFrontend(service);
        const redirectTarget = saved || getRandomFrontend(service);

        if (!saved) {
            setStoredFrontend(service, redirectTarget.toString());
        }

        const fullURL = redirectTarget + window.location.pathname + window.location.search + window.location.hash;
        window.location.replace(fullURL);
    }

    function initSponsorBlock() {
        const categories = ["sponsor", "selfpromo", "interaction", "intro", "outro", "preview", "music_offtopic", "exclusive_access"];
        const skipSegments = new Map();
        const muteSegments = new Map();

        const params = new URLSearchParams(window.location.search);
        const videoID = params.get("v");
        if (!videoID) return;

        function tryInject() {
            const video = document.querySelector("video");
            if (!video) return;

            fetch(`https://sponsor.ajay.app/api/skipSegments?videoID=${videoID}&categories=${JSON.stringify(categories)}`)
                .then(res => res.json())
                .then(data => {
                    data.forEach(item => {
                        const [start, end] = item.segment;
                        if (item.actionType === "skip") skipSegments.set(start, end);
                        else if (item.actionType === "mute") muteSegments.set(start, end);
                    });

                    video.addEventListener("timeupdate", () => {
                        const t = video.currentTime;
                        for (const [start, end] of skipSegments) {
                            if (t >= start && t < end) {
                                video.currentTime = end;
                                skipSegments.delete(start);
                            }
                        }
                        for (const [start, end] of muteSegments) {
                            video.muted = (t >= start && t < end);
                        }
                    });
                });
        }

        const observer = new MutationObserver(() => {
            if (document.querySelector("video")) {
                tryInject();
                observer.disconnect();
            }
        });

        observer.observe(document, { childList: true, subtree: true });

        let retryCount = 0;
        const fallback = setInterval(() => {
            if (++retryCount > 30) return clearInterval(fallback);
            if (document.querySelector("video")) {
                tryInject();
                clearInterval(fallback);
            }
        }, 500);
    }

    // === INIT ===
    const matchService = getCurrentService();
    if (matchService) {
        redirectIfOnService();
        return;
    }

    createSwitcherButton();
    addHotkey();
    rewriteLinks();
    new MutationObserver(rewriteLinks).observe(document, { childList: true, subtree: true });
    window.addEventListener("load", initSponsorBlock);
})();