be-ytb/js/tiktok/tiktok.js

console.log('bundle2!')

printable = (platform) => {
    return platform === "WEB";
}

parseSetCookie = (headers) => {
    if (!headers) {
        return ""
    }
    const setCookie = headers['Set-Cookie']
    if (!setCookie) {
        return ""
    }
    console.log(`setCookie: ${setCookie}`)
    let result = {}
    const needCookieNames = ['ttwid', 'tt_csrf_token', 'tt_chain_token'];
    for (const i in needCookieNames) {
        const cookieName = needCookieNames[i];
        const regexp = new RegExp(`${cookieName}=([^;,]+)`)
        const match = setCookie.match(regexp)
        if (match && match.length === 2) {
            result[cookieName] = match[1]
        }
    }
    return result;
}

request = async (method, url, data = null, headers = {}, platform) => {
    console.log(`request url:${url}`)
    console.log(`request data:${data}`)
    console.log(`request method:${method}`)
    console.log(`request headers:${JSON.stringify((headers))}`)
    if (platform === "WEB") {
        const res = await fetch(url, {
            'mode': 'cors',
            'method': method,
            'headers': headers,
            'body': data
        })
        const resData = await res.text()
        return Promise.resolve({
            'data': resData,
            'headers': res.headers
        });
    }
    return new Promise((resolve, reject) => {
        AF.request(url, method, data, headers, (data, headers, err) => {
            if (err) {
                reject(err);
            } else {
                console.log(`response headers: ${headers}`);
                resolve({
                    'data': data,
                    'headers': JSON.parse(headers)
                });
            }
        });
    })
}

detail = async (url, platform) => {
    try {
        const htmlResp = await request('GET', url, null, {
            'Host': 'www.tiktok.com',
            'Connection': 'keep-alive',
            'User-Agent': 'Mozilla/5.0',
            'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
            'Accept-Language': 'en-us,en;q=0.5',
            'Sec-Fetch-Mode': 'navigate',
            'Accept-Encoding': 'gzip, deflate, br'
        }, platform);
        let {data: html, headers: htmlHeaders} = htmlResp;

        let match = html.match(/({"__DEFAULT_SCOPE__".*?)<\/script>/);
        if (!match || !match.length) {
            console.log('can not found JSON: scope');
            throw new Error('JSON not found: scope');
        }
        const scope = JSON.parse(match[1]);
        if (printable(platform)) {
            console.log(match[1]);
            console.log(scope);
        }
        const setCookie = parseSetCookie(htmlHeaders);
        const videoDetail = scope["__DEFAULT_SCOPE__"]["webapp.video-detail"]["itemInfo"]["itemStruct"];
        const bitrateInfos = videoDetail["video"]["bitrateInfo"];
        const formats = [];
        formats.push({
            "url": videoDetail["video"]["playAddr"],
            "headers": {
                "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.19 Safari/537.36",
                "Cookie": setCookie
            }
        })
        for (let bitrateInfo of bitrateInfos) {
            for (let url of bitrateInfo["PlayAddr"]["UrlList"]) {
                formats.push({
                    "url": url,
                    "headers": {
                        "Cookie": setCookie
                    }
                })
            }
        }

        const videoDetails = {
            "title": videoDetail["desc"],
            "thumbnail": videoDetail["video"]["cover"],
            "videoId": videoDetail["id"]
        }
        const ret = {
            "code": 200,
            "msg": "",
            "data": {
                "videoDetails": videoDetails,
                "streamingData": {
                    "formats": formats
                }
            },
            "id": "DetailViewModel_detail_url"
        }
        console.log(`detail result: ${JSON.stringify(ret)}`);
        return ret;
    } catch (e) {
        const ret = {
            "code": -1,
            "msg": e.toString()
        }
        console.log(`detail result error: ${JSON.stringify(ret)}`);
        console.log(e);
        return ret;
    }
}