Enhanced 2025 YouTube Ad Blocker

Blocks YouTube ads, with advanced protections against detection.
当前为 2025-01-17 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Enhanced 2025 YouTube Ad Blocker
// @namespace    https://example.com/
// @version      2.0
// @description  Blocks YouTube ads, with advanced protections against detection.
// @author       hunter
// @match        *://*.youtube.com/*
// @grant        GM_addStyle
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';

    // Encoded ad selectors and request patterns
    const obfuscatedSelectors = atob("eXRkLWJhbm5lci1wcm9tby1yZW5kZXJlcix5dGQtZGlzcGxheS1hZC1yZW5kZXJlcix5dGQtcHJvbW90ZWQtdmlkZW8tcmVuZGVyZXIsI21hc3RoZWFkLWFkLC55dHAtYWQtbW9kdWxlLC55dHAtYWQtb3ZlcmxheS1jb250YWluZXI=");
    const adPatterns = atob("Ki8vKi5nb29nbGV2aWRlby5jb20vdmlkZW9wbGF5YmFjaz8qYWQqLCovLyoueW91dHViZS5jb20vYXBpL3N0YXRzL2Fkcz8qLCovLyoueW91dHViZS5jb20vcGFnZWFkLyoi");

    const selectors = obfuscatedSelectors.split(",");
    const patterns = adPatterns.split(",");

    // Randomized delay generator
    const randomDelay = () => Math.floor(Math.random() * 50 + 50);

    // Enhanced DOM observer for ad removal
    const startObserver = () => {
        const observer = new MutationObserver((mutations) => {
            setTimeout(() => removeAds(), randomDelay());
        });
        observer.observe(document.body, { childList: true, subtree: true });
    };

    // Function to remove ads from DOM
    const removeAds = () => {
        selectors.forEach((sel) => {
            document.querySelectorAll(sel).forEach((el) => el.remove());
        });
    };

    // Block ad-related network requests
    const blockNetworkAds = () => {
        const fetchOriginal = window.fetch;
        window.fetch = function(url, options) {
            if (typeof url === 'string' && patterns.some((pat) => url.includes(pat))) {
                console.log('Blocked fetch request: ', url);
                return new Promise(() => {});
            }
            return fetchOriginal.apply(this, arguments);
        };

        const xhrOriginal = XMLHttpRequest.prototype.open;
        XMLHttpRequest.prototype.open = function(method, url) {
            if (patterns.some((pat) => url.includes(pat))) {
                console.log('Blocked XMLHttpRequest: ', url);
                return;
            }
            return xhrOriginal.apply(this, arguments);
        };
    };

    // Inject advanced hidden styles to hide ads
    GM_addStyle(`
        ${selectors.join(",")} {
            display: none !important;
            visibility: hidden !important;
        }
    `);

    // Integrity check to prevent script tampering
    const integrityCheck = () => {
        if (document.currentScript && !document.currentScript.src.includes('@name')) {
            console.warn("Tampering detected. Halting script execution.");
            return;
        }
        console.log("Script integrity verified.");
    };

    // Main entry point
    const main = () => {
        integrityCheck();
        startObserver();
        blockNetworkAds();
        removeAds();
    };

    // Randomized execution delay to evade detections
    setTimeout(() => main(), randomDelay());
})();
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