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无API依赖的极简高效广告拦截方案
目前为
// ==UserScript==
// @name 硬核YouTube广告拦截器Pro
// @version 3.2.0
// @icon https://www.youtube.com/favicon.ico
// @author little fool
// @match *://*.youtube.com/*
// @grant none
// @run-at document-start
// @namespace https://direct.blocker
// @description 无API依赖的极简高效广告拦截方案
// ==/UserScript==
(function() {
'use strict';
// 增强版广告特征库
const AD_SIGNATURES = {
dom: [
'ytd-ad-', 'ytm-ad-',
'[id*="-ad-"]', '[class*="-ad-"]',
'#player-ads', '.ytp-ad-',
'[aria-label*="广告"i]', // 不区分大小写
'ytd-promoted-', 'ytd-companion-ad',
'div[data-ad-target]', 'ytd-rich-section-renderer' // 新版信息流广告
],
network: [
/\/ad(s|server|vert)/i,
/(doubleclick|googleads|googlesyndication)\./i,
/\/pagead\//i,
/\/log_event\?.*\bad_/i,
/\/get_(midroll|preroll)_/i,
/\/ptracking\?/i, // 广告追踪参数
/\/get_video_ad/i
]
};
// 高效DOM清理系统
const domHunter = {
observer: null,
scan() {
// 初始化立即清理
this.clean(document.documentElement);
// 智能扫描间隔（动态调整）
let scanInterval = 3000;
const scanner = setInterval(() => {
this.clean(document.documentElement);
scanInterval = Math.min(10000, scanInterval + 500);
}, scanInterval);
// 优化版MutationObserver
this.observer = new MutationObserver(muts => {
scanInterval = 1500; // 检测到变动时加快扫描
muts.forEach(mut => {
[...mut.addedNodes].forEach(node => {
if(node.nodeType === 1) this.clean(node);
});
});
});
this.observer.observe(document, {
childList: true,
subtree: true,
attributeFilter: ['id', 'class', 'style']
});
},
clean(root) {
// 批量选择器查询
const selector = AD_SIGNATURES.dom.join(',');
root.querySelectorAll(selector).forEach(ad => {
// 彻底移除元素及关联数据
ad.remove();
this.cleanAdResidue(ad);
});
this.fixLayout();
},
cleanAdResidue(ad) {
// 处理广告占位元素
const parent = ad.parentElement;
if(parent && parent.childElementCount === 0) {
parent.remove();
}
},
fixLayout() {
// 视频播放器修复（节流版）
const now = Date.now();
if(now - this.lastFix > 1000) {
const player = document.querySelector('#movie_player, .html5-video-player');
if(player) {
player.style.cssText = 'height:100vh !important; width:100% !important;';
}
this.lastFix = now;
}
},
lastFix: 0
};
// 增强版网络拦截
const networkInterceptor = {
init() {
this.hijackFetch();
this.hijackXHR();
this.hijackWebSocket();
},
hijackFetch() {
const nativeFetch = window.fetch;
window.fetch = (input, init) => {
const url = input.url || input.toString();
return this.isAdRequest(url)
? this.blockResponse()
: nativeFetch(input, init);
};
},
hijackXHR() {
const nativeOpen = XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function(_, url) {
this._url = url;
nativeOpen.apply(this, arguments);
};
const nativeSend = XMLHttpRequest.prototype.send;
XMLHttpRequest.prototype.send = function() {
this.isAdRequest() ? this.abort() : nativeSend.apply(this, arguments);
};
XMLHttpRequest.prototype.isAdRequest = function() {
return networkInterceptor.isAdRequest(this._url);
};
},
hijackWebSocket() {
const nativeWS = WebSocket;
WebSocket = class extends nativeWS {
constructor(url) {
networkInterceptor.isAdRequest(url)
? super('ws://localhost') // 重定向到无效地址
: super(url);
}
};
},
isAdRequest(url) {
return AD_SIGNATURES.network.some(regex => regex.test(url));
},
blockResponse() {
return new Response(null, {
status: 403,
headers: { 'Blocked-By': 'AdBlockerPro' }
});
}
};
// 即时样式注入
const style = document.createElement('style');
style.textContent = `
${AD_SIGNATURES.dom.join(',')} {
display: none !important;
height: 0 !important;
opacity: 0 !important;
pointer-events: none !important;
margin: 0 !important;
padding: 0 !important;
}
#movie_player, .html5-video-player {
height: 100vh !important;
width: 100% !important;
}
.ytp-ad-progress,
.ytp-ad-skip-button {
display: none !important;
}
ytd-rich-section-renderer {
min-height: 0 !important;
}
`;
document.head.appendChild(style);
// 初始化
domHunter.scan();
networkInterceptor.init();
})();