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QQ 群相册批量下载

自动点击 QQ 群相册的下载功能，实现所有的群相册的批量下载

目前为 2022-03-05 提交的版本。查看 最新版本。

// ==UserScript==
// @name         QQ 群相册批量下载
// @namespace    http://lvshuncai.com
// @homepage     https://github.com/ShunCai/QQ-Group-Albums-Downloader
// @version      1.0
// @description  自动点击 QQ 群相册的下载功能，实现所有的群相册的批量下载
// @author       芷炫
// @match        https://h5.qzone.qq.com/groupphoto/index?inqq=*&groupId=*
// @match        https://h5.qzone.qq.com/groupphoto/album?inqq=*&groupId=*
// @icon         https://qzonestyle.gtimg.cn/aoi/img/logo/favicon.ico
// @grant        none
// @run-at       document-end
// ==/UserScript==

(function () {
    'use strict';

    // 获取查询参数
    var getQueryString = function (name) {
        let reg = new RegExp ("(^|&)" + name + "=([^&]*)(&|$)", "i");
        let r = window.location.search.substring (1).match (reg);
        if (r != null) {
            return decodeURI (r [2]);
        };
        return null;
    }

    // 延迟函数
    var delay = milliseconds => new Promise (resolve => {
        setTimeout (resolve, milliseconds);
    });

    // 上传相片按钮
    let $uploadBtn = document.querySelector ('#js_pic_upload_btn,#js-header-upload')
    if (!$uploadBtn) {
        return;
    }

    // 替换文件名称的特殊字符
    const replaceFileName = name => {
        return name.replace (/'|#|~|&| |!|\\|\/|:|\?|"|<|>|\*|\|/g,"_");
    }

    // 下载文件
    const download = async albums => {
        for (const ablum of albums) {

            // 创建 A 标签
            const downLink = document.createElement ('a');
            downLink.download = replaceFileName (ablum.title) + '.zip';
            downLink.href = ablum.downloadUrl.replace ('http:', 'https:');
            downLink.style.display = 'none';
            document.body.append (downLink);

            // 模拟点击
            downLink.click ();

            // Chrome requires the timeout
            await delay (1000);

            // 移除 A 标签
            downLink.remove ();

        }
    }

    // 迅雷下载
    const invokeThunder = albums => {
        // 迅雷下载任务
        const thunderTask = [];
        for (const album of albums) {
            thunderTask.push ({
                name: replaceFileName (album.title) + '.zip',
                url: album.downloadUrl
            })
        }

        // 迅雷下载信息
        const thunderInfo = {
            taskGroupName: 'QQ 群相册_' + getQueryString ('groupId'),
            hideYunPan: '0',
            referer: 'https://h5.qzone.qq.com/',
            tasks: thunderTask
        }

        copyToClipboard ('thunderx://' + JSON.stringify (thunderInfo));
    }

    // 复制文本到剪切板
    const copyToClipboard = async text => {
        navigator.clipboard.writeText (text).catch ((error) => {

            console.error (' 异步复制失败 ', error);

            // 创建 text area
            let textArea = document.createElement ("textarea");
            textArea.value = text;
            // 使 text area 不在 viewport，同时设置不可见
            textArea.style.position = "absolute";
            textArea.style.opacity = 0;
            textArea.style.left = "-999999px";
            textArea.style.top = "-999999px";
            document.body.appendChild (textArea);
            textArea.focus ();
            textArea.select ();

            // 执行复制命令并移除文本框
            document.execCommand ('copy') ? res () : rej ();
            textArea.remove ();
        });
    }

    // 复制相册下载地址
    const copyAlbumUrls = async albums => {
        const urls = [];
        for (const album of albums) {
            urls.push (album.downloadUrl);
        }
        await copyToClipboard (urls.join ('\n'));
    }

    // 获取下载 URL
    var getDownloadUrl = async album => {
        // 请求地址参数
        const urlParmas = new URLSearchParams ();
        urlParmas.append ('g_tk', PSY.user.token ());
        urlParmas.append ('qzonetoken', window.g_qzonetoken);
        // 请求实体参数
        const bodyParmas = new URLSearchParams ();
        bodyParmas.append ('uin', PSY.user.getLoginUin ());
        bodyParmas.append ('hostUin', -1);
        bodyParmas.append ('inCharset', 'utf-8');
        bodyParmas.append ('outCharset', 'utf-8');
        bodyParmas.append ('refer', 'refer');
        bodyParmas.append ('source', 'qzone');
        bodyParmas.append ('platform', 'qzone');
        bodyParmas.append ('format', 'json');
        bodyParmas.append ('appid', 422);
        bodyParmas.append ('selectMode', 1);
        bodyParmas.append ('albumid', album.id);
        bodyParmas.append ('hostid', getQueryString ('groupId'));
        bodyParmas.append ('albumName', album.title);
        const response = await fetch ('https://h5.qzone.qq.com/proxy/domain/app.photo.qq.com/cgi-bin/app/cgi_arch_photo_v2?' + urlParmas.toString (), {
            method: 'POST',
            body: bodyParmas
        });
        return await response.json ();
    }

    // 相册每页条目数
    const ALBUMNS_PAGE_SIZE = 2;

    // 获取相册信息
    const getAlbumInfo = async (page) => {
        const parmas = new URLSearchParams ();
        parmas.append ('g_tk', PSY.user.token ());
        parmas.append ('qzonetoken', window.g_qzonetoken);
        parmas.append ('qunId', getQueryString ('groupId'));
        parmas.append ('uin', PSY.user.getLoginUin ());
        parmas.append ('start', page * ALBUMNS_PAGE_SIZE);
        parmas.append ('num', ALBUMNS_PAGE_SIZE);
        parmas.append ('format', 'json');
        parmas.append ('inCharset', 'utf-8');
        parmas.append ('outCharset', 'utf-8');
        parmas.append ('platform', 'qzone');
        parmas.append ('source', 'qzone');
        parmas.append ('cmd', 'qunGetAlbumList');
        const response = await fetch ('https://h5.qzone.qq.com/proxy/domain/u.photo.qzone.qq.com/cgi-bin/upp/qun_list_album_v2?' + parmas.toString ());
        return await response.json ();
    }

    // 获取相册信息
    const getAlbumList = async () => {
        window.albums = [];

        // 获取第一页相册 
        const albumInfo = await getAlbumInfo (0);
        window.albums.push (...albumInfo.data.album || []);

        // 相册个数
        const total = albumInfo.data.total;
        if (total > ALBUMNS_PAGE_SIZE) {
            for (let page = 1; page * ALBUMNS_PAGE_SIZE < total; page++) {
                const pageAlbumInfo = await getAlbumInfo (page);
                window.albums.push (...pageAlbumInfo.data.album || []);
                await delay (1500);
            }
        }

        return window.albums;
    }

    // 获取相册下载链接
    const getDownloadLinks = async albums => {
        for (const album of albums) {

            // 获取相册下载地址
            const downloadInfo = await getDownloadUrl (album);
            album.downloadUrl = downloadInfo.data.downloadUrl;

            // 延迟
            await delay (1000);
        }
    }

    // 批量下载
    const $downloadBtn = document.createElement ('a');
    $downloadBtn.innerText = ' 批量下载 ';
    $downloadBtn.setAttribute ('class', 'mod-btn-upload');
    $downloadBtn.setAttribute ('title', ' 直接通过浏览器自身下载全部相册，相册过多时，下载容易出错，建议自行复制链接到第三方工具下载 ');
    $downloadBtn.style.cssText = "background-color: #dd905b;border-color: #dd905b;margin-left: 10px;";
    $downloadBtn.addEventListener ("click", async function () {

        // 获取相册列表
        if (!window.albums) {
            this.innerText = ' 获取下载链接...';
            window.albums = await getAlbumList ();
            await getDownloadLinks (window.albums);
        }

        this.innerText = ' 正在下载 ';

        // 浏览器下载
        await download (albums);

        this.innerText = ' 下载完成 ';

        setTimeout (() => {
            this.innerText = ' 批量下载 ';
        }, 1500);
    })
    $uploadBtn.parentElement.appendChild ($downloadBtn);

    // 迅雷下载
    const $thunderBtn = document.createElement ('a');
    $thunderBtn.innerText = ' 迅雷下载 ';
    $thunderBtn.setAttribute ('title', ' 需先安装迅雷，并打开迅雷，以及打开剪切板监听，或直接复制链接到迅雷下载 ');
    $thunderBtn.setAttribute ('class', 'mod-btn-upload');
    $thunderBtn.style.cssText = "background-color: #5b63dd;border-color: #5b63dd;margin-left: 10px;";
    $thunderBtn.addEventListener ("click", async function () {

        // 获取相册列表
        if (!window.albums) {
            this.innerText = ' 获取下载链接...';
            window.albums = await getAlbumList ();
            await getDownloadLinks (window.albums);
        }

        this.innerText = ' 正在唤醒迅雷 ';

        // 迅雷下载
        invokeThunder (albums);

        this.innerText = ' 已唤醒迅雷 ';

        setTimeout (() => {
            this.innerText = ' 迅雷下载 ';
        }, 1500);
    })
    $uploadBtn.parentElement.appendChild ($thunderBtn);

    // 复制链接
    const $copyLinks = document.createElement ('a');
    $copyLinks.innerText = ' 复制链接 ';
    $copyLinks.setAttribute ('title', ' 复制下载链接到剪切板，可以自行到迅雷、IDM 等第三方工具下载，建议尽快下载，避免存在有效期 ');
    $copyLinks.setAttribute ('class', 'mod-btn-upload');
    $copyLinks.style.cssText = "background-color: #5bdd6b;border-color: #5bdd6b;margin-left: 10px;";
    $copyLinks.addEventListener ("click", async function () {

        // 获取相册列表
        if (!window.albums) {
            this.innerText = ' 获取下载链接...';
            window.albums = await getAlbumList ();
            await getDownloadLinks (window.albums);
        }

        this.innerText = ' 正在复制 ';

        // 复制到剪切板
        await copyAlbumUrls (albums);

        this.innerText = ' 复制完成 ';

        setTimeout (() => {
            this.innerText = ' 复制链接 ';
        }, 1500);
    })
    $uploadBtn.parentElement.appendChild ($copyLinks);

})();

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