TV-BOX/drpy_dzlive/drpy_js/去广告测试源.js

/**
 * 根据正则处理原始m3u8里的广告ts片段，自动修复相对链接
 * @param m3u8_text m3u8原始文本，里面是最末级的只含ts片段的。不支持嵌套m3u8链接
 * @param m3u8_url m3u8原始地址
 * @param ad_remove 正则表达式如: reg:/video/adjump(.*?)ts
 * @returns {string|DocumentFragment|*|string}
 */
function fixAdM3u8(m3u8_text, m3u8_url, ad_remove) {
    if ((!m3u8_text && !m3u8_url) || (!m3u8_text && m3u8_url && !m3u8_url.startsWith('http'))) {
        return ''
    }
    if (!m3u8_text) {
        log('m3u8_url:' + m3u8_url);
        m3u8_text = request(m3u8_url);
    }
    log('len(m3u8_text):' + m3u8_text.length);
    if (!ad_remove) {
        return m3u8_text
    }
    if (ad_remove.startsWith('reg:')) {
        ad_remove = ad_remove.slice(4)
    } else if (ad_remove.startsWith('js:')) {
        ad_remove = ad_remove.slice(3)
    }
    let m3u8_start = m3u8_text.slice(0, m3u8_text.indexOf('#EXTINF')).trim();
    let m3u8_body = m3u8_text.slice(m3u8_text.indexOf('#EXTINF'), m3u8_text.indexOf('#EXT-X-ENDLIST')).trim();
    let m3u8_end = m3u8_text.slice(m3u8_text.indexOf('#EXT-X-ENDLIST')).trim();
    let murls = [];
    let m3_body_list = m3u8_body.split('\n');
    let m3_len = m3_body_list.length;
    let i = 0;
    while (i < m3_len) {
        let mi = m3_body_list[i];
        let mi_1 = m3_body_list[i + 1];
        if (mi.startsWith('#EXTINF')) {
            murls.push([mi, mi_1].join('&'));
            i += 2
        } else if (mi.startsWith('#EXT-X-DISCONTINUITY')) {
            let mi_2 = m3_body_list[i + 2];
            murls.push([mi, mi_1, mi_2].join('&'));
            i += 3
        } else {
            break;
        }
    }
    let new_m3u8_body = [];
    for (let murl of murls) {
        if (ad_remove && new RegExp(ad_remove).test(murl)) {

        } else {
            let murl_list = murl.split('&');
            if (!murl_list[murl_list.length - 1].startsWith('http') && m3u8_url.startsWith('http')) {
                murl_list[murl_list.length - 1] = urljoin(m3u8_url, murl_list[murl_list.length - 1]);
            }
            murl_list.forEach((it) => {
                new_m3u8_body.push(it);
            });
        }

    }
    new_m3u8_body = new_m3u8_body.join('\n').trim();
    m3u8_text = [m3u8_start, new_m3u8_body, m3u8_end].join('\n').trim();
    return m3u8_text
}

/**
 *  智能对比去除广告。支持嵌套m3u8。只需要传入播放地址
 * @param m3u8_url m3u8播放地址
 * @returns {string}
 */
function fixAdM3u8Ai(m3u8_url) {
    let ts = new Date().getTime();

    function b(s1, s2) {
        let i = 0;
        while (i < s1.length) {
            if (s1[i] !== s2[i]) {
                break
            }
            i++
        }
        return i;
    }

    function reverseString(str) {
        return str.split('').reverse().join('');
    }

    //log('播放的地址：' + m3u8_url);
    let m3u8 = request(m3u8_url);
    //log('m3u8处理前:' + m3u8);
    m3u8 = m3u8.trim().split('\n').map(it => it.startsWith('#') ? it : urljoin(m3u8_url, it)).join('\n');
    //log('m3u8处理后:============:' + m3u8);
    // 获取嵌套m3u8地址
    let last_url = m3u8.split('\n').slice(-1)[0];
    if (last_url.includes('.m3u8') && last_url !== m3u8_url) {
        m3u8_url = last_url;
        //log('嵌套的m3u8_url:' + m3u8_url);
        m3u8 = request(m3u8_url);
    }
    //log('----处理有广告的地址----');
    let s = m3u8.trim().split('\n').filter(it => it.trim()).join('\n');
    let ss = s.split('\n')
    //找出第一条播放地址
    let firststr = ss.find(x => !x.startsWith('#'));
    let maxl = 0;//最大相同字符
    let firststrlen = firststr.length;
    //log('字符串长度：' + firststrlen);
    let ml = Math.round(ss.length / 2).toString().length;//取数据的长度的位数
    //log('数据条数的长度：' + ml);
    //找出最后一条播放地址
    let laststr = ss.toReversed().find((x) => {
        if (!x.startsWith('#')) {
            let k = b(reverseString(firststr), reverseString(x));
            maxl = b(firststr, x);
            if (firststrlen - maxl <= ml + k) {
                return true
            }
        }
        return false
    });
    log('最后一条切片：' + laststr);
    //log('最小相同字符长度：' + maxl);
    let ad_urls = [];
    for (let i = 0; i < ss.length; i++) {
        let s = ss[i];
        if (!s.startsWith('#')) {
            if (b(firststr, s) < maxl) {
                ad_urls.push(s); // 广告地址加入列表
                ss.splice(i - 1, 2);
                i = i - 2;
            } else {
                ss[i] = urljoin(m3u8_url, s);
            }
        } else {
            ss[i] = s.replace(/URI=\"(.*)\"/, 'URI=\"' + urljoin(m3u8_url, '$1') + '\"');
        }
    }
    log('处理的m3u8地址:' + m3u8_url);
    log('----广告地址----');
    log(ad_urls);
    m3u8 = ss.join('\n');
    //log('处理完成');
    log('处理耗时：' + (new Date().getTime() - ts).toString());
    return m3u8
}

globalThis.fixAdM3u8 = fixAdM3u8;
globalThis.fixAdM3u8Ai = fixAdM3u8Ai;
var rule = {
    title: '去广告测试源',
    host: '',
    proxy_url1: 'http://127.0.0.1:9978/proxy?do=js&url=https://s1.bfzycdn.com/video/renmindemingyi/第07集/index.m3u8',
    proxy_url2: 'http://127.0.0.1:9978/proxy?do=js&url=https://yzzy.play-cdn21.com/20240227/945_dd89a1c4/index.m3u8',
    ad_url1: 'https://s1.bfzycdn.com/video/renmindemingyi/第07集/index.m3u8',
    ad_url2: 'https://yzzy.play-cdn21.com/20240227/945_dd89a1c4/index.m3u8',
    play_parse: true,
    lazy: `js:
    input = {
        parse:0,
        jx:0,
        url:getProxyUrl()+'&url='+'https://yzzy.play-cdn21.com/20240227/945_dd89a1c4/index.m3u8',
        //url:getProxyUrl()+'&url='+'https://s1.bfzycdn.com/video/renmindemingyi/第07集/index.m3u8',
    };
    `,
    proxy_rule: `js:
  let url = input.url;
  // input = [403,'text/plain',url];
  // let html = request(url);
  //let content = fixAdM3u8(null,url,'reg:/video/adjump(.*?)ts')
  //input = [200,'video/MP2T',content];
  
  let m3u8 = fixAdM3u8Ai(url);
  input = [200,'application/vnd.apple.mpegurl',m3u8]
  `
}