goindex-theme-r/go2index/index.js
2020-05-22 02:25:15 +08:00

941 lines
29 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// =======Options START=======
var authConfig = {
siteName: "GoIndex-theme-acrou", // 网站名称
version: "1.1.0", // 程序版本
theme: "acrou",
// 强烈推荐使用自己的 client_id 和 client_secret
client_id: "202264815644.apps.googleusercontent.com",
client_secret: "X4Z3ca8xfWDb1Voo-F9a7ZxJ",
refresh_token: "", // 授权 token
/**
* 设置要显示的多个云端硬盘;按格式添加多个
* [id]: 可以是 团队盘id、子文件夹id、或者"root"(代表个人盘根目录);
* [name]: 显示的名称
* [user]: Basic Auth 的用户名
* [pass]: Basic Auth 的密码
* [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)
* 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
* 【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;
* 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
* 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)
* 【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
*/
roots: [
{
id: "",
name: "TeamDrive",
pass: "",
},
{
id: "root",
name: "PrivateDrive",
user: "",
pass: "",
protect_file_link: true,
},
{
id: "",
name: "folder1",
pass: "",
},
],
default_gd: 0,
/**
* 文件列表页面每页显示的数量。【推荐设置值为 100 到 1000 之间】;
* 如果设置大于1000会导致请求 drive api 时出错;
* 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;
* 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。
*/
files_list_page_size: 50,
/**
* 搜索结果页面每页显示的数量。【推荐设置值为 50 到 1000 之间】;
* 如果设置大于1000会导致请求 drive api 时出错;
* 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;
* 此值的大小影响搜索操作的响应速度。
*/
search_result_list_page_size: 50,
// 确认有 cors 用途的可以开启
enable_cors_file_down: false,
/**
* 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;
* 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;
* 【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。
*/
enable_password_file_verify: false,
};
var themeOptions = {
//可选默认系统语言:en/zh-chs/zh-cht
languages: "en",
render: {
/**
* 是否渲染HEAD.md文件
* Render HEAD.md file
*/
head_md: false,
/**
* 是否渲染README.md文件
* Render README.md file
*/
readme_md: false,
/**
* 是否渲染文件/文件夹描述
* Render file/folder description or not
*/
desc: false
},
};
// =======Options END=======
/**
* global functions
*/
const FUNCS = {
/**
* 转换成针对谷歌搜索词法相对安全的搜索关键词
*/
formatSearchKeyword: function(keyword) {
let nothing = "";
let space = " ";
if (!keyword) return nothing;
return keyword
.replace(/(!=)|['"=<>/\\:]/g, nothing)
.replace(/[,|(){}]/g, space)
.trim();
},
};
/**
* global consts
* @type {{folder_mime_type: string, default_file_fields: string, gd_root_type: {share_drive: number, user_drive: number, sub_folder: number}}}
*/
const CONSTS = new (class {
default_file_fields =
"parents,id,name,mimeType,modifiedTime,createdTime,fileExtension,size";
gd_root_type = {
user_drive: 0,
share_drive: 1,
sub_folder: 2,
};
folder_mime_type = "application/vnd.google-apps.folder";
})();
// gd instances
var gds = [];
function html(current_drive_order = 0, model = {}) {
return `
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0,maximum-scale=1.0, user-scalable=no"/>
<title>${authConfig.siteName}</title>
<style>
@import url(https://cdn.jsdelivr.net/gh/Aicirou/goindex-theme-acrou@master/dist/style.min.css);
</style>
<script>
window.gdconfig = JSON.parse('${JSON.stringify({
version: authConfig.version,
themeOptions: themeOptions,
})}');
window.themeOptions = JSON.parse('${JSON.stringify(themeOptions)}');
window.gds = JSON.parse('${JSON.stringify(
authConfig.roots.map((it) => it.name)
)}');
window.MODEL = JSON.parse('${JSON.stringify(model)}');
window.current_drive_order = ${current_drive_order};
</script>
</head>
<body>
<div id="app"></div>
<script src="https://cdn.jsdelivr.net/gh/Aicirou/goindex-theme-acrou@master/dist/app.min.js"></script>
</body>
</html>
`;
}
addEventListener("fetch", (event) => {
event.respondWith(handleRequest(event.request));
});
/**
* Fetch and log a request
* @param {Request} request
*/
async function handleRequest(request) {
if (gds.length === 0) {
for (let i = 0; i < authConfig.roots.length; i++) {
const gd = new googleDrive(authConfig, i);
await gd.init();
gds.push(gd);
}
// 这个操作并行,提高效率
let tasks = [];
gds.forEach((gd) => {
tasks.push(gd.initRootType());
});
for (let task of tasks) {
await task;
}
}
// 从 path 中提取 drive order
// 并根据 drive order 获取对应的 gd instance
let gd;
let url = new URL(request.url);
let path = url.pathname;
/**
* 重定向至起始页
* @returns {Response}
*/
function redirectToIndexPage() {
return new Response("", {
status: 301,
headers: { Location: `/${authConfig.default_gd}:/` },
});
}
if (path == "/") return redirectToIndexPage();
if (path.toLowerCase() == "/favicon.ico") {
// 后面可以找一个 favicon
return new Response("", { status: 404 });
}
// 特殊命令格式
const command_reg = /^\/(?<num>\d+):(?<command>[a-zA-Z0-9]+)(\/.*)?$/g;
const match = command_reg.exec(path);
let command;
if (match) {
const num = match.groups.num;
const order = Number(num);
if (order >= 0 && order < gds.length) {
gd = gds[order];
} else {
return redirectToIndexPage();
}
// basic auth
for (const r = gd.basicAuthResponse(request); r; ) return r;
command = match.groups.command;
// 搜索
if (command === "search") {
if (request.method === "POST") {
// 搜索结果
return handleSearch(request, gd);
} else {
const params = url.searchParams;
// 搜索页面
return new Response(
html(gd.order, {
q: params.get("q") || "",
is_search_page: true,
root_type: gd.root_type,
}),
{
status: 200,
headers: { "Content-Type": "text/html; charset=utf-8" },
}
);
}
} else if (command === "id2path" && request.method === "POST") {
return handleId2Path(request, gd);
} else if (command === "view") {
const params = url.searchParams;
return gd.view(params.get("url"), request.headers.get("Range"));
} else if (command !== "down" && request.method === "GET") {
return new Response(html(gd.order, { root_type: gd.root_type }), {
status: 200,
headers: { "Content-Type": "text/html; charset=utf-8" },
});
}
}
const reg = new RegExp(`^(/\\d+:)${command}/`, "g");
path = path.replace(reg, (p1, p2) => {
return p2 + "/";
});
// 期望的 path 格式
const common_reg = /^\/\d+:\/.*$/g;
try {
if (!path.match(common_reg)) {
return redirectToIndexPage();
}
let split = path.split("/");
let order = Number(split[1].slice(0, -1));
if (order >= 0 && order < gds.length) {
gd = gds[order];
} else {
return redirectToIndexPage();
}
} catch (e) {
return redirectToIndexPage();
}
// basic auth
// for (const r = gd.basicAuthResponse(request); r;) return r;
const basic_auth_res = gd.basicAuthResponse(request);
path = path.replace(gd.url_path_prefix, "") || "/";
if (request.method == "POST") {
return basic_auth_res || apiRequest(request, gd);
}
let action = url.searchParams.get("a");
if (path.substr(-1) == "/" || action != null) {
return (
basic_auth_res ||
new Response(html(gd.order, { root_type: gd.root_type }), {
status: 200,
headers: { "Content-Type": "text/html; charset=utf-8" },
})
);
} else {
if (
path
.split("/")
.pop()
.toLowerCase() == ".password"
) {
return basic_auth_res || new Response("", { status: 404 });
}
let file = await gd.file(path);
let range = request.headers.get("Range");
if (gd.root.protect_file_link && basic_auth_res) return basic_auth_res;
const is_down = !(command && command == "down");
return gd.down(file.id, range, is_down);
}
}
async function apiRequest(request, gd) {
let url = new URL(request.url);
let path = url.pathname;
path = path.replace(gd.url_path_prefix, "") || "/";
let option = { status: 200, headers: { "Access-Control-Allow-Origin": "*" } };
if (path.substr(-1) == "/") {
let deferred_pass = gd.password(path);
let body = await request.text();
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,
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, "");
};