119 lines
3.1 KiB
JavaScript
119 lines
3.1 KiB
JavaScript
const fs = require("fs");
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const path = require("path");
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const Koa = require("koa");
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const koaPug = require("koa-pug");
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const koaRouter = require("koa-router");
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const koaRange = require("koa-range");
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const config = require("./config");
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const util = require("./util");
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const { ENOENT, ECONNRESET } = require("constants");
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const SIZE_UNITS = [ "B", "KiB", "MiB", "GiB" ];
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function makeCurrentPathField(path) {
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let current = `<a href="/">root</a>`;
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if (path.endsWith("/"))
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path = path.slice(1, path.length-1);
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const path_parts = path.split("/");
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for (i = 0; i < path_parts.length; ++i) {
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let lnk = "";
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for (j = 0; j < i+1; ++j) {
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lnk += `/${path_parts[j]}`;
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}
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current += `/<a href="${encodeURI(lnk)}/">${path_parts[i]}</a>`;
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}
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return current;
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}
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function convertSize(size) {
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let i = 0;
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for (; size > 1024; size /= 1024) { ++i; }
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return [i > 0 ? size.toFixed(2) : size, SIZE_UNITS[i]];
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}
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function sortByNameField(a, b) {
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if (a.name > b.name)
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return 1;
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else if (a.name < b.name)
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return -1;
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return 0;
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}
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async function getDirectoryList(dir_path, orig_url) {
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let dirs = [];
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let files = [];
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let total_files_size = 0;
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let d = await fs.promises.opendir(dir_path);
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for await (const dirent of d) {
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const stat = fs.lstatSync(path.join(dir_path, dirent.name));
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const [s, u] = convertSize(stat.size);
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if (stat.isDirectory())
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dirs.push({
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name: dirent.name,
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link: `${encodeURIComponent(dirent.name)}/`,
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datetime: util.datetime(stat.mtime, util.formats.file_date),
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size: "DIR",
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size_unit: '' });
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else {
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total_files_size += stat.size;
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files.push({
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name: dirent.name,
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link: `/files${orig_url}${encodeURIComponent(dirent.name)}`,
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datetime: util.datetime(stat.mtime, util.formats.file_date),
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size: +s,
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size_unit: u });
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}
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}
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dirs.sort(sortByNameField);
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files.sort(sortByNameField);
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return [dirs.concat(files), dirs.length, files.length,
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convertSize(total_files_size).join(' ')];
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}
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function setRoutes(router) {
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router.get('/(.*)?', async ctx => {
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const file_path = path.join(config.files.file_path, decodeURI(ctx.originalUrl));
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let stat = fs.lstatSync(file_path);
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if (stat.isDirectory()) {
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const [items, total_directories, total_files, total_files_size]
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= await getDirectoryList(file_path, decodeURI(ctx.originalUrl));
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await ctx.render('index', {
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title: "/ Files",
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description: "File share.",
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main_site: util.getServiceByHost(ctx.header.host),
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current_path: makeCurrentPathField(decodeURI(ctx.originalUrl)),
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total_files: total_files,
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total_files_size: total_files_size,
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total_directories: total_directories,
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items: items });
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}
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});
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}
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module.exports = () => {
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const app = new Koa();
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const pug = new koaPug({
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viewPath: path.join(__dirname, "views", "files"),
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locals: {
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moment: date => util.datetime(date, util.formats.file_date) },
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app: app
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});
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const radio_router = koaRouter();
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setRoutes(radio_router);
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app.proxy = true;
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app
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.use(koaRange)
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.use(radio_router.routes())
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.on("error", err => { if (!err.code == ECONNRESET || !err.code == ENOENT) console.log(err.code); })
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.listen(config.files.port, config.files.host);
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return app;
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} |