mirror.js

const fs = require('fs');
const url = require('url');
const https = require('https');

try {
    var data = fs.readFileSync('./data.txt', 'utf8');
    data = data.split("\n");
    data.forEach(function (v) {
        if (v.length > 10) {
            let id = v.trim();
            id = id.replace('https://player.vimeo.com/video/', '').replace('?', '').replace('autoplay=1', '').replace(/[&?]/gm, '').replace(/app_id=(.*)/gm, '');
            // Default APP ID is 122963
            startDownloadByID(id, 1080, 122963);
        }
    })
} catch (e) {
    console.log('Error on read file:', e.stack);
}

return;

// Default APP ID is 122963
startDownloadByID(id, quality, 122963)

async function startDownloadByID(vID, quality, appID) {
    try {
        var pageData = await getVimeoPageByID(vID, quality, appID)
        var videoURL = pageData.videoURL;
        var subtitleURL = pageData.subtitleURL;
        var courseTitle = pageData.title || vID;

        if (videoURL !== null) {
            console.log(courseTitle + ', Downloading...');
            await downloadFile(videoURL, courseTitle.replace(/[^\w\s]/gi, '-') + '.mp4').then(function gotData(data) {
                console.log(courseTitle + ', Download Complete.');
            }, reason => {
                console.log('Error, ' + reason);
            });
            //Download Video Subtitle from vimeo
            if (subtitleURL !== null) {
                await downloadFile(subtitleURL, courseTitle.replace(/[^\w\s]/gi, '-') + '.vtt').then(function gotData(data) {
                    console.log(courseTitle + ', Subtitle Download Complete.');
                }, reason => {
                    console.log('Error, ' + reason);
                });
            }
        } else
            console.log('Video not found');

    } catch (e) {
        console.log('Error On video:' + vID);
        console.error(e);
        return;
    }
}

async function downloadFile(url, name) {
    const file = fs.createWriteStream(name);
    return new Promise((resolve, reject) => {
        let request = https.get(url, function (response) {
            response.pipe(file);

            file.on('finish', function () {
                file.close();
                resolve(response);
            });
        });

        /* if there's an error, then reject the Promise
             * (can be handled with Promise.prototype.catch) */
        request.on('error', reject);

        request.end();
    });
}

async function getVimeoPageByID(id, quality, appID) {
    return new Promise(function (resolve, reject) {
        const headers = {
            'User-Agent': {
                'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.110 Safari/537.36',
                'Content-Type': 'application/x-www-form-urlencoded'
            }
        };
        https.get('https://player.vimeo.com/video/' + id + '?autoplay=1&app_id=' + appID,
            {headers: headers}
            , res => {
                res.setEncoding("utf8");
                let body = "";
                res.on("data", data => {
                    body += data;
                });
                res.on("end", () => {
                    resolve({
                        videoURL: findVideoUrl(body, quality),
                        title: findTitle(body),
                        subtitleURL: findSubtitleUrl(body)
                    });
                });
                res.on('error', (e) => {
                    reject(e)
                });
            });
    })
}

function findVideoUrl(str, quality) {
    const regex = /(?:config = )(?:\{)(.*(\n.*?)*)(?:\"\})/gm;
    let res = regex.exec(str);
    if (res !== null) {
        if (typeof res[0] !== "undefined") {
            let config = res[0].replace('config = ', '');
            config = JSON.parse(config);
            let progressive = config.request.files.progressive, videoURL;

            for (let item of progressive) {
                videoURL = item.url;
                if (quality + 'p' === item.quality)
                    break;
            }
            return videoURL;
        }
    }
    return null;
}

function findSubtitleUrl(str) {
    const regex = /(?:config = )(?:\{)(.*(\n.*?)*)(?:\"\})/gm;
    let res = regex.exec(str);
    if (res !== null) {
        if (typeof res[0] !== "undefined") {
            let config = res[0].replace('config = ', '');
            config = JSON.parse(config);
            let subtitleURL = 'https://vimeo.com' + config.request.text_tracks[0].url;

            return subtitleURL;
        }
    }
    return null;
}

function findTitle(str) {
    const VIMEO_NAME = "on Vimeo"
    let title = str.match(/<title.*?>(.*)<\/title>/)[1];
    if (title) {
        return title.split(VIMEO_NAME)[0].trim();
    } else {
        return null;
    }
}