下载爱奇艺视频

readme.md

下载爱奇艺视频

写于 2019-12-18 ，不保证后续可用性。

brew install ffmpeg
npm install fs-extra puppeteer uuid
node ./download-iqiyi-videos.js "http://www.iqiyi.com/v_19rrrwga5s.html" "http://www.iqiyi.com/v_19rso4ypgs.html" ...

download-iqiyi-videos.js

const fse = require('fs-extra');
const uuid = require('uuid/v4');
const {spawnSync} = require('child_process');
const puppeteer = require('puppeteer');

// 从视频列表页读取视频URL（在 console 中执行）
function getLinks() {
    let links = document.querySelectorAll('.qy-mod-link-wrap > a');
    return Array.from(links).map(link => link.href);
}
copy(getLinks().join('\n'));


async function main(browser) {
    let failedURLs = [];
    let videoURLs = process.argv.slice(2);
    for (let i = 0; i < videoURLs.length; i++) {
        try {
            let [m3u8, video] = await getVideoURL(videoURLs[i]);
            console.log(videoURLs[i], m3u8, video);
            let {stdout, stderr} = spawnSync('ffmpeg', [
                '-y',
                '-protocol_whitelist', 'file,http,https,tcp,tls',
                '-i', `tmp/${m3u8}`,
                '-c:v', 'libx264', '-pix_fmt', 'yuv420p',
                '-c:a', 'aac', '-ac', '2', '-b:a', '128k',
                `tmp/${video}`
            ]);
            console.log('stdout', stdout.toString('utf8'));
            console.log('stderr', stderr.toString('utf8'));
        }
        catch (err) {
            failedURLs.push(videoURLs[i]);
            console.log(err);
        }
    }

    console.log(`finish with ${failedURLs.length} error(s).`);
    console.log('Failed URLs:');
    console.log(failedURLs.join('\n'));

    async function getVideoURL(pageURL) {
        const page = await browser.newPage();
        page.setViewport({
            width: 1280,
            height: 800
        });

        let promise = new Promise(function (resolve, reject) {
            page.on('response', async function (res) {
                if (!res.ok()) {
                    return;
                }
                let resURL = res.url();

                if (resURL.startsWith('https://cache.video.iqiyi.com/') && resURL.includes('/dash')) {
                    let data = await res.text();
                    // response is JSONP
                    let i = data.indexOf('({') + 1;
                    let j = data.lastIndexOf(');');
                    content = data.substring(i, j);
                    try {
                        data = JSON.parse(content);
                        data = data.data;
                    }
                    catch (err) {
                        return
                    }
                    if (!data || !data.program || !data.program.video) return;

                    // TODO: find the video with the highest quality
                    let item = data.program.video.find(item => item.m3u8);
                    if (!item) {
                        reject(new Error('No m3u8 found'));
                    }

                    resolve(item.m3u8);
                }

            });
        });

        await page.goto(pageURL);

        let title = await page.evaluate(function () {
            return document.title;
        });
        
        // TODO: timeout
        let m3u8 = await promise;
        let m3u8Filename = `${uuid()}.m3u8`;
        await fse.writeFile('tmp/' + m3u8Filename, m3u8);

        await page.close();

        return [m3u8Filename, `${title}.mp4`];
    }
}

puppeteer.launch({
    headless: false,
    slowMo: 100,
    userDataDir: './chrome-user-data'
}).then(async browser => {
    await main(browser);
    await browser.close();
}).catch(function (err) {
    console.log(err);
    process.exit(1);
});

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