966 lines
29 KiB
JavaScript
966 lines
29 KiB
JavaScript
// =======Options START=======
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var authConfig = {
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siteName: "GoIndex-theme-acrou", // 网站名称
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version: "1.1.2", // 程序版本
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theme: "acrou",
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// 强烈推荐使用自己的 client_id 和 client_secret
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client_id: "202264815644.apps.googleusercontent.com",
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client_secret: "X4Z3ca8xfWDb1Voo-F9a7ZxJ",
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refresh_token: "", // 授权 token
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/**
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* 设置要显示的多个云端硬盘；按格式添加多个
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* [id]: 可以是 团队盘id、子文件夹id、或者"root"（代表个人盘根目录）；
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* [name]: 显示的名称
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* [user]: Basic Auth 的用户名
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* [pass]: Basic Auth 的密码
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* [protect_file_link]: Basic Auth 是否用于保护文件链接，默认值（不设置时）为 false，即不保护文件链接（方便 直链下载/外部播放 等）
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* 每个盘的 Basic Auth 都可以单独设置。Basic Auth 默认保护该盘下所有文件夹/子文件夹路径
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* 【注意】默认不保护文件链接，这样可以方便 直链下载/外部播放;
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* 如果要保护文件链接，需要将 protect_file_link 设置为 true，此时如果要进行外部播放等操作，需要将 host 替换为 user:pass@host 的 形式
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* 不需要 Basic Auth 的盘，保持 user 和 pass 同时为空即可。（直接不设置也可以）
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* 【注意】对于id设置为为子文件夹id的盘将不支持搜索功能（不影响其他盘）。
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*/
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roots: [
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{
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id: "",
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name: "TeamDrive",
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pass: "",
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},
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{
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id: "root",
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name: "PrivateDrive",
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user: "",
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pass: "",
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protect_file_link: true,
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},
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{
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id: "",
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name: "folder1",
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pass: "",
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},
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],
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default_gd: 0,
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/**
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* 文件列表页面每页显示的数量。【推荐设置值为 100 到 1000 之间】；
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* 如果设置大于1000，会导致请求 drive api 时出错；
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* 如果设置的值过小，会导致文件列表页面滚动条增量加载（分页加载）失效；
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* 此值的另一个作用是，如果目录内文件数大于此设置值（即需要多页展示的），将会对首次列目录结果进行缓存。
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*/
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files_list_page_size: 50,
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/**
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* 搜索结果页面每页显示的数量。【推荐设置值为 50 到 1000 之间】；
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* 如果设置大于1000，会导致请求 drive api 时出错；
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* 如果设置的值过小，会导致搜索结果页面滚动条增量加载（分页加载）失效；
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* 此值的大小影响搜索操作的响应速度。
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*/
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search_result_list_page_size: 50,
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// 确认有 cors 用途的可以开启
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enable_cors_file_down: false,
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/**
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* 上面的 basic auth 已经包含了盘内全局保护的功能。所以默认不再去认证 .password 文件内的密码;
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* 如果在全局认证的基础上，仍需要给某些目录单独进行 .password 文件内的密码验证的话，将此选项设置为 true;
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* 【注意】如果开启了 .password 文件密码验证，每次列目录都会额外增加查询目录内 .password 文件是否存在的开销。
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*/
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enable_password_file_verify: false,
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};
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var themeOptions = {
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cdn: "https://cdn.jsdelivr.net/gh/RandallAnjie/goindex-theme-r",
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// 主题版本号
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version: "v2.0.9",
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//可选默认系统语言:en/zh-chs/zh-cht
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languages: "zh-chs",
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render: {
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/**
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* 是否渲染HEAD.md文件
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* Render HEAD.md file
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*/
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head_md: true,
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/**
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* 是否渲染README.md文件
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* Render README.md file
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*/
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readme_md: true,
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/**
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* 是否渲染文件/文件夹描述
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* Render file/folder description or not
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*/
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desc: true,
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},
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/**
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* 视频播放器选项
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* Video player options
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*/
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video: {
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/**
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* 播放器api（不指定则使用默认播放器）
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* Player api(Use default player if not specified)
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*/
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api: "",
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autoplay: true,
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},
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/**
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* 音频播放器选项
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* Audio player options
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*/
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audio: {},
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};
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// =======Options END=======
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/**
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* global functions
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*/
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const FUNCS = {
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/**
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* 转换成针对谷歌搜索词法相对安全的搜索关键词
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*/
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formatSearchKeyword: function(keyword) {
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let nothing = "";
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let space = " ";
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if (!keyword) return nothing;
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return keyword
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.replace(/(!=)|['"=<>/\\:]/g, nothing)
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.replace(/[,，|(){}]/g, space)
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.trim();
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},
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};
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/**
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* global consts
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* @type {{folder_mime_type: string, default_file_fields: string, gd_root_type: {share_drive: number, user_drive: number, sub_folder: number}}}
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*/
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const CONSTS = new (class {
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default_file_fields =
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"parents,id,name,mimeType,modifiedTime,createdTime,fileExtension,size";
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gd_root_type = {
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user_drive: 0,
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share_drive: 1,
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sub_folder: 2,
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};
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folder_mime_type = "application/vnd.google-apps.folder";
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})();
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// gd instances
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var gds = [];
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function html(current_drive_order = 0, model = {}) {
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if (themeOptions.version && themeOptions.version !== '') {
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themeOptions.version = '@' + themeOptions.version;
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}
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return `
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0,maximum-scale=1.0, user-scalable=no"/>
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<title>${authConfig.siteName}</title>
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<style>
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@import url(${themeOptions.cdn}${themeOptions.version}/dist/style.css);
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</style>
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<script>
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window.gdconfig = JSON.parse('${JSON.stringify({
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version: authConfig.version,
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themeOptions: themeOptions,
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})}');
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window.themeOptions = JSON.parse('${JSON.stringify(themeOptions)}');
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window.gds = JSON.parse('${JSON.stringify(
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authConfig.roots.map((it) => it.name)
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)}');
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window.MODEL = JSON.parse('${JSON.stringify(model)}');
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window.current_drive_order = ${current_drive_order};
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</script>
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</head>
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<body>
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<div id="app"></div>
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<script src="${themeOptions.cdn}${
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themeOptions.version
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}/dist/app.js"></script>
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</body>
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</html>
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`;
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}
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addEventListener("fetch", (event) => {
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event.respondWith(handleRequest(event.request));
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});
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/**
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* Fetch and log a request
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* @param {Request} request
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*/
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async function handleRequest(request) {
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if (gds.length === 0) {
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for (let i = 0; i < authConfig.roots.length; i++) {
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const gd = new googleDrive(authConfig, i);
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await gd.init();
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gds.push(gd);
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}
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// 这个操作并行，提高效率
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let tasks = [];
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gds.forEach((gd) => {
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tasks.push(gd.initRootType());
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});
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for (let task of tasks) {
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await task;
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}
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}
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// 从 path 中提取 drive order
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// 并根据 drive order 获取对应的 gd instance
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let gd;
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let url = new URL(request.url);
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let path = decodeURI(url.pathname);
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/**
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* 重定向至起始页
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* @returns {Response}
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*/
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function redirectToIndexPage() {
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return new Response("", {
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status: 301,
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headers: { Location: `/${authConfig.default_gd}:/` },
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});
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}
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if (path == "/") return redirectToIndexPage();
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if (path.toLowerCase() == "/favicon.ico") {
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// 后面可以找一个 favicon
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return new Response("", { status: 404 });
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}
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// 特殊命令格式
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const command_reg = /^\/(?<num>\d+):(?<command>[a-zA-Z0-9]+)(\/.*)?$/g;
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const match = command_reg.exec(path);
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let command;
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if (match) {
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const num = match.groups.num;
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const order = Number(num);
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if (order >= 0 && order < gds.length) {
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gd = gds[order];
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} else {
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return redirectToIndexPage();
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}
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// basic auth
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for (const r = gd.basicAuthResponse(request); r; ) return r;
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command = match.groups.command;
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// 搜索
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if (command === "search") {
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if (request.method === "POST") {
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// 搜索结果
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return handleSearch(request, gd);
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} else {
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const params = url.searchParams;
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// 搜索页面
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return new Response(
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html(gd.order, {
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q: params.get("q") || "",
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is_search_page: true,
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root_type: gd.root_type,
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}),
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{
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status: 200,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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}
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);
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}
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} else if (command === "id2path" && request.method === "POST") {
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return handleId2Path(request, gd);
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} else if (command === "view") {
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const params = url.searchParams;
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return gd.view(params.get("url"), request.headers.get("Range"));
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} else if (command !== "down" && request.method === "GET") {
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return new Response(html(gd.order, { root_type: gd.root_type }), {
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status: 200,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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});
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}
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}
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const reg = new RegExp(`^(/\\d+:)${command}/`, "g");
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path = path.replace(reg, (p1, p2) => {
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return p2 + "/";
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});
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// 期望的 path 格式
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const common_reg = /^\/\d+:\/.*$/g;
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try {
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if (!path.match(common_reg)) {
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return redirectToIndexPage();
|
||
}
|
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let split = path.split("/");
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let order = Number(split[1].slice(0, -1));
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if (order >= 0 && order < gds.length) {
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gd = gds[order];
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} else {
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return redirectToIndexPage();
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}
|
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} catch (e) {
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return redirectToIndexPage();
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}
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// basic auth
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// for (const r = gd.basicAuthResponse(request); r;) return r;
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const basic_auth_res = gd.basicAuthResponse(request);
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path = path.replace(gd.url_path_prefix, "") || "/";
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if (request.method == "POST") {
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return basic_auth_res || apiRequest(request, gd);
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}
|
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let action = url.searchParams.get("a");
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|
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if (path.substr(-1) == "/" || action != null) {
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||
return (
|
||
basic_auth_res ||
|
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new Response(html(gd.order, { root_type: gd.root_type }), {
|
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status: 200,
|
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headers: { "Content-Type": "text/html; charset=utf-8" },
|
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})
|
||
);
|
||
} else {
|
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if (
|
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path
|
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.split("/")
|
||
.pop()
|
||
.toLowerCase() == ".password"
|
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) {
|
||
return basic_auth_res || new Response("", { status: 404 });
|
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}
|
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let file = await gd.file(path);
|
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let range = request.headers.get("Range");
|
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if (gd.root.protect_file_link && basic_auth_res) return basic_auth_res;
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const is_down = !(command && command == "down");
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return gd.down(file.id, range, is_down);
|
||
}
|
||
}
|
||
|
||
async function apiRequest(request, gd) {
|
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let url = new URL(request.url);
|
||
let path = url.pathname;
|
||
path = path.replace(gd.url_path_prefix, "") || "/";
|
||
|
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let option = { status: 200, headers: { "Access-Control-Allow-Origin": "*" } };
|
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|
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if (path.substr(-1) == "/") {
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let deferred_pass = gd.password(path);
|
||
let body = await request.text();
|
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body = JSON.parse(body);
|
||
// 这样可以提升首次列目录时的速度。缺点是，如果password验证失败，也依然会产生列目录的开销
|
||
let deferred_list_result = gd.list(
|
||
path,
|
||
body.page_token,
|
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Number(body.page_index)
|
||
);
|
||
|
||
// check .password file, if `enable_password_file_verify` is true
|
||
if (authConfig["enable_password_file_verify"]) {
|
||
let password = await gd.password(path);
|
||
// console.log("dir password", password);
|
||
if (password && password.replace("\n", "") !== body.password) {
|
||
let html = `{"error": {"code": 401,"message": "password error."}}`;
|
||
return new Response(html, option);
|
||
}
|
||
}
|
||
|
||
let list_result = await deferred_list_result;
|
||
return new Response(JSON.stringify(list_result), option);
|
||
} else {
|
||
let file = await gd.file(path);
|
||
let range = request.headers.get("Range");
|
||
return new Response(JSON.stringify(file));
|
||
}
|
||
}
|
||
|
||
// 处理 search
|
||
async function handleSearch(request, gd) {
|
||
const option = {
|
||
status: 200,
|
||
headers: { "Access-Control-Allow-Origin": "*" },
|
||
};
|
||
let body = await request.text();
|
||
body = JSON.parse(body);
|
||
let search_result = await gd.search(
|
||
body.q || "",
|
||
body.page_token,
|
||
Number(body.page_index)
|
||
);
|
||
return new Response(JSON.stringify(search_result), option);
|
||
}
|
||
|
||
/**
|
||
* 处理 id2path
|
||
* @param request 需要 id 参数
|
||
* @param gd
|
||
* @returns {Promise<Response>} 【注意】如果从前台接收的id代表的项目不在目标gd盘下，那么response会返回给前台一个空字符串""
|
||
*/
|
||
async function handleId2Path(request, gd) {
|
||
const option = {
|
||
status: 200,
|
||
headers: { "Access-Control-Allow-Origin": "*" },
|
||
};
|
||
let body = await request.text();
|
||
body = JSON.parse(body);
|
||
let path = await gd.findPathById(body.id);
|
||
return new Response(path || "", option);
|
||
}
|
||
|
||
class googleDrive {
|
||
constructor(authConfig, order) {
|
||
// 每个盘对应一个order，对应一个gd实例
|
||
this.order = order;
|
||
this.root = authConfig.roots[order];
|
||
this.root.protect_file_link = this.root.protect_file_link || false;
|
||
this.url_path_prefix = `/${order}:`;
|
||
this.authConfig = authConfig;
|
||
// TODO: 这些缓存的失效刷新策略，后期可以制定一下
|
||
// path id
|
||
this.paths = [];
|
||
// path file
|
||
this.files = [];
|
||
// path pass
|
||
this.passwords = [];
|
||
// id <-> path
|
||
this.id_path_cache = {};
|
||
this.id_path_cache[this.root["id"]] = "/";
|
||
this.paths["/"] = this.root["id"];
|
||
/*if (this.root['pass'] != "") {
|
||
this.passwords['/'] = this.root['pass'];
|
||
}*/
|
||
// this.init();
|
||
}
|
||
|
||
/**
|
||
* 初次授权；然后获取 user_drive_real_root_id
|
||
* @returns {Promise<void>}
|
||
*/
|
||
async init() {
|
||
await this.accessToken();
|
||
/*await (async () => {
|
||
// 只获取1次
|
||
if (authConfig.user_drive_real_root_id) return;
|
||
const root_obj = await (gds[0] || this).findItemById('root');
|
||
if (root_obj && root_obj.id) {
|
||
authConfig.user_drive_real_root_id = root_obj.id
|
||
}
|
||
})();*/
|
||
// 等待 user_drive_real_root_id ，只获取1次
|
||
if (authConfig.user_drive_real_root_id) return;
|
||
const root_obj = await (gds[0] || this).findItemById("root");
|
||
if (root_obj && root_obj.id) {
|
||
authConfig.user_drive_real_root_id = root_obj.id;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 获取根目录类型，设置到 root_type
|
||
* @returns {Promise<void>}
|
||
*/
|
||
async initRootType() {
|
||
const root_id = this.root["id"];
|
||
const types = CONSTS.gd_root_type;
|
||
if (root_id === "root" || root_id === authConfig.user_drive_real_root_id) {
|
||
this.root_type = types.user_drive;
|
||
} else {
|
||
const obj = await this.getShareDriveObjById(root_id);
|
||
this.root_type = obj ? types.share_drive : types.sub_folder;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Returns a response that requires authorization, or null
|
||
* @param request
|
||
* @returns {Response|null}
|
||
*/
|
||
basicAuthResponse(request) {
|
||
const user = this.root.user || "",
|
||
pass = this.root.pass || "",
|
||
_401 = new Response("Unauthorized", {
|
||
headers: {
|
||
"WWW-Authenticate": `Basic realm="goindex:drive:${this.order}"`,
|
||
},
|
||
status: 401,
|
||
});
|
||
if (user || pass) {
|
||
const auth = request.headers.get("Authorization");
|
||
if (auth) {
|
||
try {
|
||
const [received_user, received_pass] = atob(
|
||
auth.split(" ").pop()
|
||
).split(":");
|
||
return received_user === user && received_pass === pass ? null : _401;
|
||
} catch (e) {}
|
||
}
|
||
} else return null;
|
||
return _401;
|
||
}
|
||
|
||
async view(url, range = "", inline = true) {
|
||
let requestOption = await this.requestOption();
|
||
requestOption.headers["Range"] = range;
|
||
let res = await fetch(url, requestOption);
|
||
const { headers } = (res = new Response(res.body, res));
|
||
this.authConfig.enable_cors_file_down &&
|
||
headers.append("Access-Control-Allow-Origin", "*");
|
||
inline === true && headers.set("Content-Disposition", "inline");
|
||
return res;
|
||
}
|
||
|
||
async down(id, range = "", inline = false) {
|
||
let url = `https://www.googleapis.com/drive/v3/files/${id}?alt=media`;
|
||
let requestOption = await this.requestOption();
|
||
requestOption.headers["Range"] = range;
|
||
let res = await fetch(url, requestOption);
|
||
const { headers } = (res = new Response(res.body, res));
|
||
this.authConfig.enable_cors_file_down &&
|
||
headers.append("Access-Control-Allow-Origin", "*");
|
||
inline === true && headers.set("Content-Disposition", "inline");
|
||
return res;
|
||
}
|
||
|
||
async file(path) {
|
||
if (typeof this.files[path] == "undefined") {
|
||
this.files[path] = await this._file(path);
|
||
}
|
||
return this.files[path];
|
||
}
|
||
|
||
async _file(path) {
|
||
let arr = path.split("/");
|
||
let name = arr.pop();
|
||
name = decodeURIComponent(name).replace(/\'/g, "\\'");
|
||
let dir = arr.join("/") + "/";
|
||
// console.log(name, dir);
|
||
let parent = await this.findPathId(dir);
|
||
// console.log(parent);
|
||
let url = "https://www.googleapis.com/drive/v3/files";
|
||
let params = { includeItemsFromAllDrives: true, supportsAllDrives: true };
|
||
params.q = `'${parent}' in parents and name = '${name}' and trashed = false`;
|
||
params.fields =
|
||
"files(id, name, mimeType, size ,createdTime, modifiedTime, iconLink, thumbnailLink)";
|
||
url += "?" + this.enQuery(params);
|
||
let requestOption = await this.requestOption();
|
||
let response = await fetch(url, requestOption);
|
||
let obj = await response.json();
|
||
// console.log(obj);
|
||
return obj.files[0];
|
||
}
|
||
|
||
// 通过reqeust cache 来缓存
|
||
async list(path, page_token = null, page_index = 0) {
|
||
if (this.path_children_cache == undefined) {
|
||
// { <path> :[ {nextPageToken:'',data:{}}, {nextPageToken:'',data:{}} ...], ...}
|
||
this.path_children_cache = {};
|
||
}
|
||
|
||
if (
|
||
this.path_children_cache[path] &&
|
||
this.path_children_cache[path][page_index] &&
|
||
this.path_children_cache[path][page_index].data
|
||
) {
|
||
let child_obj = this.path_children_cache[path][page_index];
|
||
return {
|
||
nextPageToken: child_obj.nextPageToken || null,
|
||
curPageIndex: page_index,
|
||
data: child_obj.data,
|
||
};
|
||
}
|
||
|
||
let id = await this.findPathId(path);
|
||
let result = await this._ls(id, page_token, page_index);
|
||
let data = result.data;
|
||
// 对有多页的，进行缓存
|
||
if (result.nextPageToken && data.files) {
|
||
if (!Array.isArray(this.path_children_cache[path])) {
|
||
this.path_children_cache[path] = [];
|
||
}
|
||
this.path_children_cache[path][Number(result.curPageIndex)] = {
|
||
nextPageToken: result.nextPageToken,
|
||
data: data,
|
||
};
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
async _ls(parent, page_token = null, page_index = 0) {
|
||
// console.log("_ls", parent);
|
||
|
||
if (parent == undefined) {
|
||
return null;
|
||
}
|
||
let obj;
|
||
let params = { includeItemsFromAllDrives: true, supportsAllDrives: true };
|
||
params.q = `'${parent}' in parents and trashed = false AND name !='.password'`;
|
||
params.orderBy = "folder,name,modifiedTime desc";
|
||
params.fields =
|
||
"nextPageToken, files(id, name, mimeType, size , modifiedTime, thumbnailLink, description)";
|
||
params.pageSize = this.authConfig.files_list_page_size;
|
||
|
||
if (page_token) {
|
||
params.pageToken = page_token;
|
||
}
|
||
let url = "https://www.googleapis.com/drive/v3/files";
|
||
url += "?" + this.enQuery(params);
|
||
let requestOption = await this.requestOption();
|
||
let response = await fetch(url, requestOption);
|
||
obj = await response.json();
|
||
|
||
return {
|
||
nextPageToken: obj.nextPageToken || null,
|
||
curPageIndex: page_index,
|
||
data: obj,
|
||
};
|
||
|
||
/*do {
|
||
if (pageToken) {
|
||
params.pageToken = pageToken;
|
||
}
|
||
let url = 'https://www.googleapis.com/drive/v3/files';
|
||
url += '?' + this.enQuery(params);
|
||
let requestOption = await this.requestOption();
|
||
let response = await fetch(url, requestOption);
|
||
obj = await response.json();
|
||
files.push(...obj.files);
|
||
pageToken = obj.nextPageToken;
|
||
} while (pageToken);*/
|
||
}
|
||
|
||
async password(path) {
|
||
if (this.passwords[path] !== undefined) {
|
||
return this.passwords[path];
|
||
}
|
||
|
||
// console.log("load", path, ".password", this.passwords[path]);
|
||
|
||
let file = await this.file(path + ".password");
|
||
if (file == undefined) {
|
||
this.passwords[path] = null;
|
||
} else {
|
||
let url = `https://www.googleapis.com/drive/v3/files/${file.id}?alt=media`;
|
||
let requestOption = await this.requestOption();
|
||
let response = await this.fetch200(url, requestOption);
|
||
this.passwords[path] = await response.text();
|
||
}
|
||
|
||
return this.passwords[path];
|
||
}
|
||
|
||
/**
|
||
* 通过 id 获取 share drive 信息
|
||
* @param any_id
|
||
* @returns {Promise<null|{id}|any>} 任何非正常情况都返回 null
|
||
*/
|
||
async getShareDriveObjById(any_id) {
|
||
if (!any_id) return null;
|
||
if ("string" !== typeof any_id) return null;
|
||
|
||
let url = `https://www.googleapis.com/drive/v3/drives/${any_id}`;
|
||
let requestOption = await this.requestOption();
|
||
let res = await fetch(url, requestOption);
|
||
let obj = await res.json();
|
||
if (obj && obj.id) return obj;
|
||
|
||
return null;
|
||
}
|
||
|
||
/**
|
||
* 搜索
|
||
* @returns {Promise<{data: null, nextPageToken: null, curPageIndex: number}>}
|
||
*/
|
||
async search(origin_keyword, page_token = null, page_index = 0) {
|
||
const types = CONSTS.gd_root_type;
|
||
const is_user_drive = this.root_type === types.user_drive;
|
||
const is_share_drive = this.root_type === types.share_drive;
|
||
|
||
const empty_result = {
|
||
nextPageToken: null,
|
||
curPageIndex: page_index,
|
||
data: null,
|
||
};
|
||
|
||
if (!is_user_drive && !is_share_drive) {
|
||
return empty_result;
|
||
}
|
||
let keyword = FUNCS.formatSearchKeyword(origin_keyword);
|
||
if (!keyword) {
|
||
// 关键词为空，返回
|
||
return empty_result;
|
||
}
|
||
let words = keyword.split(/\s+/);
|
||
let name_search_str = `name contains '${words.join(
|
||
"' AND name contains '"
|
||
)}'`;
|
||
|
||
// corpora 为 user 是个人盘 ，为 drive 是团队盘。配合 driveId
|
||
let params = {};
|
||
if (is_user_drive) {
|
||
params.corpora = "user";
|
||
}
|
||
if (is_share_drive) {
|
||
params.corpora = "drive";
|
||
params.driveId = this.root.id;
|
||
// This parameter will only be effective until June 1, 2020. Afterwards shared drive items will be included in the results.
|
||
params.includeItemsFromAllDrives = true;
|
||
params.supportsAllDrives = true;
|
||
}
|
||
if (page_token) {
|
||
params.pageToken = page_token;
|
||
}
|
||
params.q = `trashed = false AND name !='.password' AND (${name_search_str})`;
|
||
params.fields =
|
||
"nextPageToken, files(id, name, mimeType, size , modifiedTime, thumbnailLink, description)";
|
||
params.pageSize = this.authConfig.search_result_list_page_size;
|
||
// params.orderBy = 'folder,name,modifiedTime desc';
|
||
|
||
let url = "https://www.googleapis.com/drive/v3/files";
|
||
url += "?" + this.enQuery(params);
|
||
// console.log(params)
|
||
let requestOption = await this.requestOption();
|
||
let response = await fetch(url, requestOption);
|
||
let res_obj = await response.json();
|
||
|
||
return {
|
||
nextPageToken: res_obj.nextPageToken || null,
|
||
curPageIndex: page_index,
|
||
data: res_obj,
|
||
};
|
||
}
|
||
|
||
/**
|
||
* 一层一层的向上获取这个文件或文件夹的上级文件夹的 file 对象。注意：会很慢！！！
|
||
* 最多向上寻找到当前 gd 对象的根目录 (root id)
|
||
* 只考虑一条单独的向上链。
|
||
* 【注意】如果此id代表的项目不在目标gd盘下，那么此函数会返回null
|
||
*
|
||
* @param child_id
|
||
* @param contain_myself
|
||
* @returns {Promise<[]>}
|
||
*/
|
||
async findParentFilesRecursion(child_id, contain_myself = true) {
|
||
const gd = this;
|
||
const gd_root_id = gd.root.id;
|
||
const user_drive_real_root_id = authConfig.user_drive_real_root_id;
|
||
const is_user_drive = gd.root_type === CONSTS.gd_root_type.user_drive;
|
||
|
||
// 自下向上查询的终点目标id
|
||
const target_top_id = is_user_drive ? user_drive_real_root_id : gd_root_id;
|
||
const fields = CONSTS.default_file_fields;
|
||
|
||
// [{},{},...]
|
||
const parent_files = [];
|
||
let meet_top = false;
|
||
|
||
async function addItsFirstParent(file_obj) {
|
||
if (!file_obj) return;
|
||
if (!file_obj.parents) return;
|
||
if (file_obj.parents.length < 1) return;
|
||
|
||
// ['','',...]
|
||
let p_ids = file_obj.parents;
|
||
if (p_ids && p_ids.length > 0) {
|
||
// its first parent
|
||
const first_p_id = p_ids[0];
|
||
if (first_p_id === target_top_id) {
|
||
meet_top = true;
|
||
return;
|
||
}
|
||
const p_file_obj = await gd.findItemById(first_p_id);
|
||
if (p_file_obj && p_file_obj.id) {
|
||
parent_files.push(p_file_obj);
|
||
await addItsFirstParent(p_file_obj);
|
||
}
|
||
}
|
||
}
|
||
|
||
const child_obj = await gd.findItemById(child_id);
|
||
if (contain_myself) {
|
||
parent_files.push(child_obj);
|
||
}
|
||
await addItsFirstParent(child_obj);
|
||
|
||
return meet_top ? parent_files : null;
|
||
}
|
||
|
||
/**
|
||
* 获取相对于本盘根目录的path
|
||
* @param child_id
|
||
* @returns {Promise<string>} 【注意】如果此id代表的项目不在目标gd盘下，那么此方法会返回空字符串""
|
||
*/
|
||
async findPathById(child_id) {
|
||
if (this.id_path_cache[child_id]) {
|
||
return this.id_path_cache[child_id];
|
||
}
|
||
|
||
const p_files = await this.findParentFilesRecursion(child_id);
|
||
if (!p_files || p_files.length < 1) return "";
|
||
|
||
let cache = [];
|
||
// 把查出来的每一级的path和id都缓存一下
|
||
p_files.forEach((value, idx) => {
|
||
const is_folder =
|
||
idx === 0 ? p_files[idx].mimeType === CONSTS.folder_mime_type : true;
|
||
let path =
|
||
"/" +
|
||
p_files
|
||
.slice(idx)
|
||
.map((it) => it.name)
|
||
.reverse()
|
||
.join("/");
|
||
if (is_folder) path += "/";
|
||
cache.push({ id: p_files[idx].id, path: path });
|
||
});
|
||
|
||
cache.forEach((obj) => {
|
||
this.id_path_cache[obj.id] = obj.path;
|
||
this.paths[obj.path] = obj.id;
|
||
});
|
||
|
||
/*const is_folder = p_files[0].mimeType === CONSTS.folder_mime_type;
|
||
let path = '/' + p_files.map(it => it.name).reverse().join('/');
|
||
if (is_folder) path += '/';*/
|
||
|
||
return cache[0].path;
|
||
}
|
||
|
||
// 根据id获取file item
|
||
async findItemById(id) {
|
||
const is_user_drive = this.root_type === CONSTS.gd_root_type.user_drive;
|
||
let url = `https://www.googleapis.com/drive/v3/files/${id}?fields=${
|
||
CONSTS.default_file_fields
|
||
}${is_user_drive ? "" : "&supportsAllDrives=true"}`;
|
||
let requestOption = await this.requestOption();
|
||
let res = await fetch(url, requestOption);
|
||
return await res.json();
|
||
}
|
||
|
||
async findPathId(path) {
|
||
let c_path = "/";
|
||
let c_id = this.paths[c_path];
|
||
|
||
let arr = path.trim("/").split("/");
|
||
for (let name of arr) {
|
||
c_path += name + "/";
|
||
|
||
if (typeof this.paths[c_path] == "undefined") {
|
||
let id = await this._findDirId(c_id, name);
|
||
this.paths[c_path] = id;
|
||
}
|
||
|
||
c_id = this.paths[c_path];
|
||
if (c_id == undefined || c_id == null) {
|
||
break;
|
||
}
|
||
}
|
||
// console.log(this.paths);
|
||
return this.paths[path];
|
||
}
|
||
|
||
async _findDirId(parent, name) {
|
||
name = decodeURIComponent(name).replace(/\'/g, "\\'");
|
||
|
||
// console.log("_findDirId", parent, name);
|
||
|
||
if (parent == undefined) {
|
||
return null;
|
||
}
|
||
|
||
let url = "https://www.googleapis.com/drive/v3/files";
|
||
let params = { includeItemsFromAllDrives: true, supportsAllDrives: true };
|
||
params.q = `'${parent}' in parents and mimeType = 'application/vnd.google-apps.folder' and name = '${name}' and trashed = false`;
|
||
params.fields = "nextPageToken, files(id, name, mimeType)";
|
||
url += "?" + this.enQuery(params);
|
||
let requestOption = await this.requestOption();
|
||
let response = await fetch(url, requestOption);
|
||
let obj = await response.json();
|
||
if (obj.files[0] == undefined) {
|
||
return null;
|
||
}
|
||
return obj.files[0].id;
|
||
}
|
||
|
||
async accessToken() {
|
||
console.log("accessToken");
|
||
if (
|
||
this.authConfig.expires == undefined ||
|
||
this.authConfig.expires < Date.now()
|
||
) {
|
||
const obj = await this.fetchAccessToken();
|
||
if (obj.access_token != undefined) {
|
||
this.authConfig.accessToken = obj.access_token;
|
||
this.authConfig.expires = Date.now() + 3500 * 1000;
|
||
}
|
||
}
|
||
return this.authConfig.accessToken;
|
||
}
|
||
|
||
async fetchAccessToken() {
|
||
console.log("fetchAccessToken");
|
||
const url = "https://www.googleapis.com/oauth2/v4/token";
|
||
const headers = {
|
||
"Content-Type": "application/x-www-form-urlencoded",
|
||
};
|
||
const post_data = {
|
||
client_id: this.authConfig.client_id,
|
||
client_secret: this.authConfig.client_secret,
|
||
refresh_token: this.authConfig.refresh_token,
|
||
grant_type: "refresh_token",
|
||
};
|
||
|
||
let requestOption = {
|
||
method: "POST",
|
||
headers: headers,
|
||
body: this.enQuery(post_data),
|
||
};
|
||
|
||
const response = await fetch(url, requestOption);
|
||
return await response.json();
|
||
}
|
||
|
||
async fetch200(url, requestOption) {
|
||
let response;
|
||
for (let i = 0; i < 3; i++) {
|
||
response = await fetch(url, requestOption);
|
||
console.log(response.status);
|
||
if (response.status != 403) {
|
||
break;
|
||
}
|
||
await this.sleep(800 * (i + 1));
|
||
}
|
||
return response;
|
||
}
|
||
|
||
async requestOption(headers = {}, method = "GET") {
|
||
const accessToken = await this.accessToken();
|
||
headers["authorization"] = "Bearer " + accessToken;
|
||
return { method: method, headers: headers };
|
||
}
|
||
|
||
enQuery(data) {
|
||
const ret = [];
|
||
for (let d in data) {
|
||
ret.push(encodeURIComponent(d) + "=" + encodeURIComponent(data[d]));
|
||
}
|
||
return ret.join("&");
|
||
}
|
||
|
||
sleep(ms) {
|
||
return new Promise(function(resolve, reject) {
|
||
let i = 0;
|
||
setTimeout(function() {
|
||
console.log("sleep" + ms);
|
||
i++;
|
||
if (i >= 2) reject(new Error("i>=2"));
|
||
else resolve(i);
|
||
}, ms);
|
||
});
|
||
}
|
||
}
|
||
|
||
String.prototype.trim = function(char) {
|
||
if (char) {
|
||
return this.replace(
|
||
new RegExp("^\\" + char + "+|\\" + char + "+$", "g"),
|
||
""
|
||
);
|
||
}
|
||
return this.replace(/^\s+|\s+$/g, "");
|
||
};
|