import * as os from 'os'; import * as fs from 'fs'; import { join, dirname, sep } from 'path'; import { fileURLToPath } from 'url'; import * as crypto from 'crypto'; import ini from 'ini'; import parseHocon from 'hocon-parser'; import { Common, CommonService } from './common.js'; import { Logger, LoggerService } from './logger.js'; export class ConfigService { private platform = os.platform(); private hash = crypto.createHash('sha256'); private errMsg = ''; private directoryName = dirname(fileURLToPath(import.meta.url)); private common: CommonService = Common; private logger: LoggerService = Logger; constructor() { this.setServerConfiguration(); } private setDefaultConfig = () => { const homeDir = os.userInfo().homedir; let macaroonPath = ''; let configPath = ''; let channelBackupPath = ''; let dbPath = ''; switch (this.platform) { case 'win32': macaroonPath = homeDir + '\\AppData\\Local\\Lnd\\data\\chain\\bitcoin\\mainnet'; configPath = homeDir + '\\AppData\\Local\\Lnd\\lnd.conf'; channelBackupPath = homeDir + '\\backup\\node-1'; dbPath = homeDir + '\\database\\node-1'; break; case 'darwin': macaroonPath = homeDir + '/Library/Application Support/Lnd/data/chain/bitcoin/mainnet'; configPath = homeDir + '/Library/Application Support/Lnd/lnd.conf'; channelBackupPath = homeDir + '/backup/node-1'; dbPath = homeDir + '/database/node-1'; break; case 'linux': macaroonPath = homeDir + '/.lnd/data/chain/bitcoin/mainnet'; configPath = homeDir + '/.lnd/lnd.conf'; channelBackupPath = homeDir + '/backup/node-1'; dbPath = homeDir + '/database/node-1'; break; default: macaroonPath = ''; configPath = ''; channelBackupPath = ''; dbPath = ''; break; } const configData = { port: '3000', defaultNodeIndex: 1, dbDirectoryPath: dbPath, SSO: { rtlSSO: 0, rtlCookiePath: '', logoutRedirectLink: '' }, nodes: [ { index: 1, lnNode: 'Node 1', lnImplementation: 'LND', Authentication: { macaroonPath: macaroonPath, configPath: configPath }, Settings: { userPersona: 'MERCHANT', themeMode: 'DAY', themeColor: 'PURPLE', channelBackupPath: channelBackupPath, logLevel: 'ERROR', lnServerUrl: 'https://127.0.0.1:8080', fiatConversion: false, unannouncedChannels: false } } ] }; if ((process?.env?.RTL_SSO && +process?.env?.RTL_SSO === 0) || configData.SSO.rtlSSO === 0) { configData['multiPass'] = 'password'; } return configData; }; private normalizePort = (val) => { const port = parseInt(val, 10); if (isNaN(port)) { return val; } if (port >= 0) { return port; } return false; }; private updateLogByLevel = () => { let updateLogFlag = false; this.common.rtl_conf_file_path = process?.env?.RTL_CONFIG_PATH ? process?.env?.RTL_CONFIG_PATH : join(this.directoryName, '../..'); try { const RTLConfFile = this.common.rtl_conf_file_path + sep + 'RTL-Config.json'; const config = JSON.parse(fs.readFileSync(RTLConfFile, 'utf-8')); config.nodes.forEach((node) => { if (node.Settings.hasOwnProperty('enableLogging')) { updateLogFlag = true; node.Settings.logLevel = node.Settings.enableLogging ? 'INFO' : 'ERROR'; delete node.Settings.enableLogging; } }); if (updateLogFlag) { fs.writeFileSync(RTLConfFile, JSON.stringify(config, null, 2), 'utf-8'); } } catch (err) { this.errMsg = this.errMsg + '\nLog level update failed!'; } }; private validateNodeConfig = (config) => { if ((process?.env?.RTL_SSO && +process?.env?.RTL_SSO === 0) || (typeof process?.env?.RTL_SSO === 'undefined' && +config.SSO.rtlSSO === 0)) { if (process?.env?.APP_PASSWORD && process?.env?.APP_PASSWORD.trim() !== '') { this.common.rtl_pass = this.hash.update(process?.env?.APP_PASSWORD).digest('hex'); this.common.flg_allow_password_update = false; } else if (config.multiPassHashed && config.multiPassHashed !== '') { this.common.rtl_pass = config.multiPassHashed; } else if (config.multiPass && config.multiPass !== '') { this.common.rtl_pass = this.common.replacePasswordWithHash(this.hash.update(config.multiPass).digest('hex')); } else { this.errMsg = this.errMsg + '\nNode Authentication can be set with multiPass only. Please set multiPass in RTL-Config.json'; } this.common.rtl_secret2fa = config.secret2fa; } else { if (process?.env?.APP_PASSWORD && process?.env?.APP_PASSWORD.trim() !== '') { this.errMsg = this.errMsg + '\nRTL Password cannot be set with SSO. Please set SSO as 0 or remove password.'; } } this.common.port = (process?.env?.PORT) ? this.normalizePort(process?.env?.PORT) : (config.port) ? this.normalizePort(config.port) : 3000; this.common.host = (process?.env?.HOST) ? process?.env?.HOST : (config.host) ? config.host : null; this.common.db_directory_path = (process?.env?.DB_DIRECTORY_PATH) ? process?.env?.DB_DIRECTORY_PATH : (config.dbDirectoryPath) ? config.dbDirectoryPath : join(dirname(fileURLToPath(import.meta.url)), '..', '..'); if (config.nodes && config.nodes.length > 0) { config.nodes.forEach((node, idx) => { this.common.nodes[idx] = {}; this.common.nodes[idx].index = node.index; this.common.nodes[idx].ln_node = node.lnNode; this.common.nodes[idx].ln_implementation = (process?.env?.LN_IMPLEMENTATION) ? process?.env?.LN_IMPLEMENTATION : node.lnImplementation ? node.lnImplementation : 'LND'; if (this.common.nodes[idx].ln_implementation === 'CLT') { this.common.nodes[idx].ln_implementation = 'CLN'; } if (this.common.nodes[idx].ln_implementation !== 'ECL' && process?.env?.MACAROON_PATH && process?.env?.MACAROON_PATH.trim() !== '') { this.common.nodes[idx].macaroon_path = process?.env?.MACAROON_PATH; } else if (this.common.nodes[idx].ln_implementation !== 'ECL' && node.Authentication && node.Authentication.macaroonPath && node.Authentication.macaroonPath.trim() !== '') { this.common.nodes[idx].macaroon_path = node.Authentication.macaroonPath; } else if (this.common.nodes[idx].ln_implementation !== 'ECL') { this.errMsg = 'Please set macaroon path for node index ' + node.index + ' in RTL-Config.json!'; } if (this.common.nodes[idx].ln_implementation === 'ECL') { if (process?.env?.LN_API_PASSWORD) { this.common.nodes[idx].ln_api_password = process?.env?.LN_API_PASSWORD; } else if (node.Authentication && node.Authentication.lnApiPassword) { this.common.nodes[idx].ln_api_password = node.Authentication.lnApiPassword; } else { this.common.nodes[idx].ln_api_password = ''; } } if (process?.env?.CONFIG_PATH) { this.common.nodes[idx].config_path = process?.env?.CONFIG_PATH; } else if (node.Authentication && node.Authentication.configPath) { this.common.nodes[idx].config_path = node.Authentication.configPath; } else { this.common.nodes[idx].config_path = ''; } if (this.common.nodes[idx].ln_implementation === 'ECL' && this.common.nodes[idx].ln_api_password === '' && this.common.nodes[idx].config_path !== '') { try { const exists = fs.existsSync(this.common.nodes[idx].config_path || ''); if (exists) { try { const configFile = fs.readFileSync((this.common.nodes[idx].config_path || ''), 'utf-8'); const iniParsed = ini.parse(configFile); this.common.nodes[idx].ln_api_password = iniParsed['eclair.api.password'] ? iniParsed['eclair.api.password'] : parseHocon(configFile).eclair.api.password; } catch (err) { this.errMsg = this.errMsg + '\nSomething went wrong while reading config file: \n' + err; } } else { this.errMsg = this.errMsg + '\nInvalid config path: ' + this.common.nodes[idx].config_path; } } catch (err) { this.errMsg = this.errMsg + '\nUnable to read config file: \n' + err; } } if (this.common.nodes[idx].ln_implementation === 'ECL' && this.common.nodes[idx].ln_api_password === '') { this.errMsg = this.errMsg + '\nPlease set config path Or api password for node index ' + node.index + ' in RTL-Config.json! It is mandatory for Eclair authentication!'; } if (process?.env?.LN_SERVER_URL && process?.env?.LN_SERVER_URL.trim() !== '') { this.common.nodes[idx].ln_server_url = process?.env?.LN_SERVER_URL.endsWith('/v1') ? process?.env?.LN_SERVER_URL.slice(0, -3) : process?.env?.LN_SERVER_URL; } else if (process?.env?.LND_SERVER_URL && process?.env?.LND_SERVER_URL.trim() !== '') { this.common.nodes[idx].ln_server_url = process?.env?.LND_SERVER_URL.endsWith('/v1') ? process?.env?.LND_SERVER_URL.slice(0, -3) : process?.env?.LND_SERVER_URL; } else if (node.Settings.lnServerUrl && node.Settings.lnServerUrl.trim() !== '') { this.common.nodes[idx].ln_server_url = node.Settings.lnServerUrl.endsWith('/v1') ? node.Settings.lnServerUrl.slice(0, -3) : node.Settings.lnServerUrl; } else if (node.Settings.lndServerUrl && node.Settings.lndServerUrl.trim() !== '') { this.common.nodes[idx].ln_server_url = node.Settings.lndServerUrl.endsWith('/v1') ? node.Settings.lndServerUrl.slice(0, -3) : node.Settings.lndServerUrl; } else { this.errMsg = this.errMsg + '\nPlease set LN Server URL for node index ' + node.index + ' in RTL-Config.json!'; } this.common.nodes[idx].user_persona = node.Settings.userPersona ? node.Settings.userPersona : 'MERCHANT'; this.common.nodes[idx].theme_mode = node.Settings.themeMode ? node.Settings.themeMode : 'DAY'; this.common.nodes[idx].theme_color = node.Settings.themeColor ? node.Settings.themeColor : 'PURPLE'; this.common.nodes[idx].unannounced_channels = node.Settings.unannouncedChannels ? !!node.Settings.unannouncedChannels : false; this.common.nodes[idx].log_level = node.Settings.logLevel ? node.Settings.logLevel : 'ERROR'; this.common.nodes[idx].fiat_conversion = node.Settings.fiatConversion ? !!node.Settings.fiatConversion : false; if (this.common.nodes[idx].fiat_conversion) { this.common.nodes[idx].currency_unit = node.Settings.currencyUnit ? node.Settings.currencyUnit : 'USD'; } if (process?.env?.SWAP_SERVER_URL && process?.env?.SWAP_SERVER_URL.trim() !== '') { this.common.nodes[idx].swap_server_url = process?.env?.SWAP_SERVER_URL.endsWith('/v1') ? process?.env?.SWAP_SERVER_URL.slice(0, -3) : process?.env?.SWAP_SERVER_URL; this.common.nodes[idx].swap_macaroon_path = process?.env?.SWAP_MACAROON_PATH; } else if (node.Settings.swapServerUrl && node.Settings.swapServerUrl.trim() !== '') { this.common.nodes[idx].swap_server_url = node.Settings.swapServerUrl.endsWith('/v1') ? node.Settings.swapServerUrl.slice(0, -3) : node.Settings.swapServerUrl; this.common.nodes[idx].swap_macaroon_path = node.Authentication.swapMacaroonPath ? node.Authentication.swapMacaroonPath : ''; } else { this.common.nodes[idx].swap_server_url = ''; this.common.nodes[idx].swap_macaroon_path = ''; } if (process?.env?.BOLTZ_SERVER_URL && process?.env?.BOLTZ_SERVER_URL.trim() !== '') { this.common.nodes[idx].boltz_server_url = process?.env?.BOLTZ_SERVER_URL.endsWith('/v1') ? process?.env?.BOLTZ_SERVER_URL.slice(0, -3) : process?.env?.BOLTZ_SERVER_URL; this.common.nodes[idx].boltz_macaroon_path = process?.env?.BOLTZ_MACAROON_PATH; } else if (node.Settings.boltzServerUrl && node.Settings.boltzServerUrl.trim() !== '') { this.common.nodes[idx].boltz_server_url = node.Settings.boltzServerUrl.endsWith('/v1') ? node.Settings.boltzServerUrl.slice(0, -3) : node.Settings.boltzServerUrl; this.common.nodes[idx].boltz_macaroon_path = node.Authentication.boltzMacaroonPath ? node.Authentication.boltzMacaroonPath : ''; } else { this.common.nodes[idx].boltz_server_url = ''; this.common.nodes[idx].boltz_macaroon_path = ''; } this.common.nodes[idx].enable_offers = process?.env?.ENABLE_OFFERS ? process?.env?.ENABLE_OFFERS : (node.Settings.enableOffers) ? node.Settings.enableOffers : false; this.common.nodes[idx].enable_peerswap = process?.env?.ENABLE_PEERSWAP ? process?.env?.ENABLE_PEERSWAP : (node.Settings.enablePeerswap) ? node.Settings.enablePeerswap : false; this.common.nodes[idx].bitcoind_config_path = process?.env?.BITCOIND_CONFIG_PATH ? process?.env?.BITCOIND_CONFIG_PATH : (node.Settings.bitcoindConfigPath) ? node.Settings.bitcoindConfigPath : ''; this.common.nodes[idx].channel_backup_path = process?.env?.CHANNEL_BACKUP_PATH ? process?.env?.CHANNEL_BACKUP_PATH : (node.Settings.channelBackupPath) ? node.Settings.channelBackupPath : this.common.rtl_conf_file_path + sep + 'channels-backup' + sep + 'node-' + node.index; try { this.common.createDirectory(this.common.nodes[idx].channel_backup_path); const exists = fs.existsSync(this.common.nodes[idx].channel_backup_path + sep + 'channel-all.bak'); if (!exists) { try { if (this.common.nodes[idx].ln_implementation === 'LND') { this.common.getAllNodeAllChannelBackup(this.common.nodes[idx]); } else { const createStream = fs.createWriteStream(this.common.nodes[idx].channel_backup_path + sep + 'channel-all.bak'); createStream.end(); } } catch (err) { this.logger.log({ selectedNode: this.common.initSelectedNode, level: 'ERROR', fileName: 'Config', msg: 'Something went wrong while creating backup file: \n' + err }); } } } catch (err) { this.logger.log({ selectedNode: this.common.initSelectedNode, level: 'ERROR', fileName: 'Config', msg: 'Something went wrong while creating the backup directory: \n' + err }); } this.common.nodes[idx].log_file = this.common.rtl_conf_file_path + '/logs/RTL-Node-' + node.index + '.log'; this.logger.log({ selectedNode: this.common.initSelectedNode, level: 'INFO', fileName: 'Config', msg: 'Node Config: ' + JSON.stringify(this.common.nodes[idx]) }); const log_file = this.common.nodes[idx].log_file; if (fs.existsSync(log_file || '')) { fs.writeFile((log_file || ''), '', () => { }); } else { try { const directoryName = dirname(log_file || ''); this.common.createDirectory(directoryName); const createStream = fs.createWriteStream(log_file || ''); createStream.end(); } catch (err) { this.logger.log({ selectedNode: this.common.initSelectedNode, level: 'ERROR', fileName: 'Config', msg: 'Something went wrong while creating log file ' + log_file + ': \n' + err }); } } }); } this.setSSOParams(config); if (this.errMsg && this.errMsg.trim() !== '') { throw new Error(this.errMsg); } }; private setSSOParams = (config) => { if (process?.env?.RTL_SSO) { this.common.rtl_sso = +process?.env?.RTL_SSO; } else if (config.SSO && config.SSO.rtlSSO) { this.common.rtl_sso = config.SSO.rtlSSO; } if (process?.env?.RTL_COOKIE_PATH) { this.common.rtl_cookie_path = process?.env?.RTL_COOKIE_PATH; } else if (config.SSO && config.SSO.rtlCookiePath) { this.common.rtl_cookie_path = config.SSO.rtlCookiePath; } else { this.common.rtl_cookie_path = ''; } if (process?.env?.LOGOUT_REDIRECT_LINK) { this.common.logout_redirect_link = process?.env?.LOGOUT_REDIRECT_LINK; } else if (config.SSO && config.SSO.logoutRedirectLink) { this.common.logout_redirect_link = config.SSO.logoutRedirectLink; } if (+this.common.rtl_sso) { if (!this.common.rtl_cookie_path || this.common.rtl_cookie_path.trim() === '') { this.errMsg = 'Please set rtlCookiePath value for single sign on option!'; } else { this.common.readCookie(); } } }; private setSelectedNode = (config) => { if (config.defaultNodeIndex) { this.common.initSelectedNode = this.common.findNode(config.defaultNodeIndex) || {}; } else { this.common.initSelectedNode = this.common.findNode(this.common.nodes[0].index) || {}; } }; public setServerConfiguration = () => { try { this.common.rtl_conf_file_path = (process?.env?.RTL_CONFIG_PATH) ? process?.env?.RTL_CONFIG_PATH : join(this.directoryName, '../..'); const confFileFullPath = this.common.rtl_conf_file_path + sep + 'RTL-Config.json'; if (!fs.existsSync(confFileFullPath)) { fs.writeFileSync(confFileFullPath, JSON.stringify(this.setDefaultConfig())); } const config = JSON.parse(fs.readFileSync(confFileFullPath, 'utf-8')); this.updateLogByLevel(); this.validateNodeConfig(config); this.setSelectedNode(config); } catch (err: any) { this.logger.log({ selectedNode: this.common.initSelectedNode, level: 'ERROR', fileName: 'Config', msg: 'Something went wrong while configuring the node server: \n' + err }); throw new Error(err); } }; } export const Config = new ConfigService();