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#!/usr/bin/env node
'use strict';
var express = require('express'),
morgan = require('morgan'),
path = require('path'),
fs = require('fs'),
archiver = require('archiver'),
compression = require('compression'),
session = require('express-session'),
serveIndex = require('serve-index'),
escapeHtml = require('escape-html'),
bodyParser = require('body-parser'),
cookieParser = require('cookie-parser'),
lastMile = require('connect-lastmile'),
HttpError = require('connect-lastmile').HttpError,
HttpSuccess = require('connect-lastmile').HttpSuccess,
multipart = require('./src/multipart'),
mkdirp = require('mkdirp'),
auth = require('./src/auth.js'),
webdav = require('webdav-server').v2,
files = require('./src/files.js')(path.resolve(__dirname, process.argv[2] || 'files'));
const ROOT_FOLDER = path.resolve(__dirname, process.argv[2] || 'files');
const CONFIG_FILE = path.resolve(__dirname, process.argv[3] || '.config.json');
// Ensure the root folder exists
mkdirp.sync(ROOT_FOLDER);
var config = {
folderListingEnabled: false
};
function getSettings(req, res, next) {
res.send({ folderListingEnabled: !!config.folderListingEnabled });
}
function setSettings(req, res, next) {
return next(new HttpError(400, 'not editable'));
if (typeof req.body.folderListingEnabled === 'undefined') return next(new HttpError(400, 'missing folderListingEnabled boolean'));
config.folderListingEnabled = !!req.body.folderListingEnabled;
fs.writeFile(CONFIG_FILE, JSON.stringify(config), function (error) {
if (error) return next(new HttpError(500, 'unable to save settings'));
next(new HttpSuccess(201, {}));
});
}
// Load the config file
try {
console.log(`Using config file at: ${CONFIG_FILE}`);
config = require(CONFIG_FILE);
} catch (e) {
if (e.code === 'MODULE_NOT_FOUND') console.log(`Config file ${CONFIG_FILE} not found`);
else console.log(`Cannot load config file ${CONFIG_FILE}`, e);
}
if (typeof config.folderListingEnabled === 'undefined') config.folderListingEnabled = false;
function isRoot(p) {
return path.join(ROOT_FOLDER, p) === path.join(ROOT_FOLDER, '/');
}
function sendArchive(format) {
var mime, extension;
if (format === "zip") {
mime = "application/zip";
extension = "zip";
} else {
mime = "application/tar+gzip";
extension = "tar.gz";
}
return function(req, res, next) {
if (isRoot(req.path) || !fs.existsSync(path.join(ROOT_FOLDER, req.path)))
return res.status(404).sendFile(__dirname + '/frontend/404.html');
res.writeHead(200, {
'Content-Type': mime,
'Content-disposition': 'attachment; filename=' + path.basename(req.path) + '.' + extension
});
var archive = archiver(format);
archive.pipe(res);
archive.directory(path.join(ROOT_FOLDER, req.path), path.basename(req.path))
archive.finalize();
}
}
function rawTemplate(locals, callback) {
var html = '<!DOCTYPE html><html><head><meta charset="utf-8"><title>wget/curl friendly directory listing of ';
html += locals.directory;
html += '</title></head><body><ul>\n';
html += locals.fileList.map(function (file) {
if (file.name === "..") { return ""; }
var isDir = file.stat && file.stat.isDirectory();
var fpath = locals.directory.split('/').map(function (c) { return encodeURIComponent(c); });
if (!isDir) { fpath.shift(); fpath[0] = ""; }
fpath.push(encodeURIComponent(file.name));
return '<li><a href="' + escapeHtml(path.normalize(fpath.join('/'))) + '">' + escapeHtml(file.name) + '</a></li>';
}).join("\n");
html += '\n</ul></body></html>';
callback(null, html);
};
// Setup the express server and routes
var app = express();
var router = new express.Router();
var webdavServer = new webdav.WebDAVServer({
requireAuthentification: true,
httpAuthentication: new webdav.HTTPBasicAuthentication(new auth.WebdavUserManager(), 'Cloudron Surfer')
});
webdavServer.setFileSystem('/', new webdav.PhysicalFileSystem(ROOT_FOLDER), function (success) {
if (success) console.log(`Mounting webdav resource from: ${ROOT_FOLDER}`);
});
var multipart = multipart({ maxFieldsSize: 2 * 1024, limit: '512mb', timeout: 3 * 60 * 1000 });
router.post ('/api/login', auth.login);
router.post ('/api/logout', auth.verify, auth.logout);
router.get ('/api/settings', auth.verify, getSettings);
router.put ('/api/settings', auth.verify, setSettings);
router.get ('/api/tokens', auth.verify, auth.getTokens);
router.post ('/api/tokens', auth.verify, auth.createToken);
router.delete('/api/tokens/:token', auth.verify, auth.delToken);
router.get ('/api/profile', auth.verify, auth.getProfile);
router.get ('/api/files/*', auth.verifyIfNeeded, files.get);
router.post ('/api/files/*', auth.verify, multipart, files.post);
router.put ('/api/files/*', auth.verify, files.put);
router.delete('/api/files/*', auth.verify, files.del);
app.use('/api/healthcheck', function (req, res) { res.status(200).send(); });
app.use(morgan('dev'));
app.use(compression());
app.use('/api', bodyParser.json());
app.use('/api', bodyParser.urlencoded({ extended: false, limit: '100mb' }));
app.use('/api', cookieParser());
app.use('/api', session({ secret: 'surfin surfin', resave: false, saveUninitialized: false }));
app.use(router);
app.use(webdav.extensions.express('/_webdav', webdavServer));
app.use('/_admin', express.static(__dirname + '/frontend'));
app.use('/raw', function serveRaw(req, res, next) {
if (isRoot(req.path) || !fs.existsSync(path.join(ROOT_FOLDER, req.path)))
return res.status(404).sendFile(__dirname + '/frontend/404.html');
serveIndex(ROOT_FOLDER, { template: rawTemplate })(req, res, next);
});
app.use('/zip', sendArchive("zip"));
app.use('/tar', sendArchive("tar"));
app.use('/', express.static(ROOT_FOLDER));
app.use('/', function welcomePage(req, res, next) {
if (config.folderListingEnabled || !isRoot(req.path)) return next();
res.status(200).sendFile(path.join(__dirname, '/frontend/welcome.html'));
});
app.use('/', function (req, res) {
if (!fs.existsSync(path.join(ROOT_FOLDER, req.path))) return res.status(404).sendFile(__dirname + '/frontend/404.html');
res.status(200).sendFile(__dirname + '/frontend/public.html');
});
app.use(lastMile());
var server = app.listen(process.env.LISTEN, function () {
var host = server.address().address;
var port = server.address().port;
console.log(`Base path: ${ROOT_FOLDER}`);
console.log();
console.log(`Listening on http://${host}:${port}`);
auth.init(config);
});
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