douyin-download.js

var getid = async function(sec_user_id, max_cursor) {
    var res = await fetch("https://www.douyin.com/aweme/v1/web/aweme/post/?device_platform=webapp&aid=6383&channel=channel_pc_web&sec_user_id=" + sec_user_id + "&max_cursor=" + max_cursor, {
        "headers": {
            "accept": "application/json, text/plain, */*",
            "accept-language": "vi",
            "sec-ch-ua": "\"Not?A_Brand\";v=\"8\", \"Chromium\";v=\"108\", \"Microsoft Edge\";v=\"108\"",
            "sec-ch-ua-mobile": "?0",
            "sec-ch-ua-platform": "\"Windows\"",
            "sec-fetch-dest": "empty",
            "sec-fetch-mode": "cors",
            "sec-fetch-site": "same-origin"
        },
        "referrer": "https://www.douyin.com/user/MS4wLjABAAAA5A-hCBCTdv102baOvaoZqg7nCIW_Bn_YBA0Aiz9uYPY",
        "referrerPolicy": "strict-origin-when-cross-origin",
        "body": null,
        "method": "GET",
        "mode": "cors",
        "credentials": "include"
    });
    try {
        res = await res.json();
    } catch (e) {
        res = await getid(sec_user_id, max_cursor);
        console.log(e);
    }
    return res;
}

var saveToFile = function(text) {
    var blob = new Blob([text], { type: 'text/plain' });
    var a = document.createElement('a');
    a.href = window.URL.createObjectURL(blob);
    a.download = 'douyin-video-links.txt';
    a.click();
}

var run = async function() {
    var result = [];
    var hasMore = 1;
    var sec_user_id = location.pathname.replace("/user/", "");
    var max_cursor = 0;
    while (hasMore == 1) {
        var moredata = await getid(sec_user_id, max_cursor);
        hasMore = moredata['has_more'];
        max_cursor = moredata['max_cursor'];
        for (var i in moredata['aweme_list']) {
            if (moredata['aweme_list'][i]['video']['play_addr']['url_list'][0].startsWith("https"))
                result.push(moredata['aweme_list'][i]['video']['play_addr']['url_list'][0]);
            else
                result.push(moredata['aweme_list'][i]['video']['play_addr']['url_list'][0].replace("http", "https"));
            console.clear();
            console.log("Number of videos: " + result.length);
        }
    }
    saveToFile(result.join('\n'));
}
run();