config.js

/*
	Copyright (C) 2020 Bleskomat s.r.o.

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Affero General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Affero General Public License for more details.

	You should have received a copy of the GNU Affero General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

const path = require('path');

let config = {
	// Configuration options passed to lnurl-node's createServer function; see:
	// https://github.com/chill117/lnurl-node#options-for-createserver-method
	lnurl: {
		host: process.env.BLESKOMAT_SERVER_HOST || '0.0.0.0',
		port: parseInt(process.env.BLESKOMAT_SERVER_PORT || 3000),
		url: process.env.BLESKOMAT_SERVER_URL || null,
		endpoint: process.env.BLESKOMAT_SERVER_ENDPOINT || '/u',
		auth: {
			apiKeys: JSON.parse(process.env.BLESKOMAT_SERVER_AUTH_API_KEYS || '[]'),
		},
		lightning: JSON.parse(process.env.BLESKOMAT_SERVER_LIGHTNING || '{"backend":"dummy","config":{}}'),
		store: JSON.parse(process.env.BLESKOMAT_SERVER_STORE || '{"backend":"memory","config":{}}'),
	},
	coinRates: {
		defaults: {
			provider: process.env.BLESKOMAT_SERVER_COINRATES_DEFAULTS_PROVIDER || 'coinbase',
		},
	},
	admin: {
		// Whether or not to enable the web-based admin interface:
		web: process.env.BLESKOMAT_SERVER_ADMIN_WEB === '1' || process.env.BLESKOMAT_SERVER_ADMIN_WEB === 'true',
		// The hashed password to access the admin interface:
		password: process.env.BLESKOMAT_SERVER_ADMIN_PASSWORD || null,
		// Plaintext password:
		passwordPlaintext: process.env.BLESKOMAT_SERVER_ADMIN_PASSWORD_PLAINTEXT || null,
		// Configuration options to pass to express-session instance:
		// https://github.com/expressjs/session#api
		session: JSON.parse(process.env.BLESKOMAT_SERVER_ADMIN_SESSION || '{"secret":null,"resave":true,"saveUninitialized":false,"cookie":{"httpOnly":true,"expires":false,"path":"/","sameSite":true}}'),
		scrypt: JSON.parse(process.env.BLESKOMAT_SERVER_ADMIN_SCRYPT || '{"keylen":32,"saltBytes":20,"options":{"cost":16384}}'),
	},
	// The hostname of the TOR socks proxy.
	// Used when connecting to an LN backend behind TOR hidden service.
	torSocksProxy: process.env.BLESKOMAT_SERVER_TORSOCKSPROXY || '127.0.0.1:9050',
	env: {
		filePath: process.env.BLESKOMAT_SERVER_ENV_FILEPATH || path.join(__dirname, '.env'),
	},
	tlsCheck: {
		timeout: 5000,
	},
	lnurlpos: {
		enabled: typeof process.env.BLESKOMAT_LNURLPOS_ENABLED === 'undefined' || process.env.BLESKOMAT_LNURLPOS_ENABLED === 'true',
	},
};

if (!config.lnurl.url) {
	const { endpoint, host, port } = config.lnurl;
	config.lnurl.url = `http://${host}:${port}`;
}

module.exports = config;