@meese-os/server/src/adapters/settings/fs.js

meeseOS Server

/**
 * OS.js - JavaScript Cloud/Web Desktop Platform
 *
 * Copyright (c) 2011-Present, Anders Evenrud <andersevenrud@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @author  Anders Evenrud <andersevenrud@gmail.com>
 * @licence Simplified BSD License
 */
const fs = require("fs-extra");
const path = require("path");

/**
 * FS Settings adapter
 * @param {Core} core MeeseOS Core instance reference
 * @param {Object} [options] Adapter options
 */
module.exports = (core, options) => {
	const fsOptions = {
		system: false,
		path: "home:/.meeseOS/settings.json",
		...(options || {}),
	};

	const getRealFilename = (req) =>
		fsOptions.system
			? Promise.resolve(fsOptions.path)
			: core.make("meeseOS/vfs").realpath(fsOptions.path, req.session.user);

	const before = (req) =>
		getRealFilename(req).then((filename) =>
			fs.ensureDir(path.dirname(filename)).then(() => filename)
		);

	const save = (req) =>
		before(req)
			.then((filename) => fs.writeJson(filename, req.body))
			.then(() => true);

	const load = (req) =>
		before(req)
			.then((filename) => fs.readJson(filename))
			.catch((error) => {
				core.logger.warn(error);
				return {};
			});

	return { save, load };
};