RTL/server/controllers/shared/RTLConf.ts

import * as fs from 'fs';
import { sep } from 'path';
import ini from 'ini';
import parseHocon from 'hocon-parser';
import request from 'request-promise';
import { Database, DatabaseService } from '../../utils/database.js';
import { Logger, LoggerService } from '../../utils/logger.js';
import { Common, CommonService } from '../../utils/common.js';
import { WSServer } from '../../utils/webSocketServer.js';
import { AuthenticationConfiguration, NodeSettingsConfiguration } from '../../models/config.model.js';

const options = { url: '' };
const logger: LoggerService = Logger;
const common: CommonService = Common;
const wsServer = WSServer;
const databaseService: DatabaseService = Database;

export const updateSelectedNode = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Updating Selected Node..' });
  const selNodeIndex = req.params.currNodeIndex ? +req.params.currNodeIndex : common.initSelectedNode ? +common.initSelectedNode.index : 1;
  req.session.selectedNode = common.findNode(selNodeIndex);
  if (req.headers && req.headers.authorization && req.headers.authorization !== '') {
    wsServer.updateLNWSClientDetails(req.session.id, +req.session.selectedNode.index, +req.params.prevNodeIndex);
    if (req.params.prevNodeIndex !== -1) {
      databaseService.unloadDatabase(req.params.prevNodeIndex);
    }
  }
  const responseVal = !req.session.selectedNode.ln_node ? '' : req.session.selectedNode.ln_node;
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Selected Node Updated To ' + responseVal });
  res.status(200).json({ status: 'Selected Node Updated To: ' + JSON.stringify(responseVal) + '!' });
};

export const getRTLConfigInitial = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Getting Initial RTL Configuration..' });
  const confFile = common.rtl_conf_file_path + sep + 'RTL-Config.json';
  fs.readFile(confFile, 'utf8', (errRes, data) => {
    if (errRes) {
      if (errRes.code === 'ENOENT') {
        logger.log({ selectedNode: req.session.selectedNode, level: 'ERROR', fileName: 'RTLConf', msg: 'Node config does not exist!', error: { error: 'Node config does not exist.' } });
        res.status(200).json({ defaultNodeIndex: 0, selectedNodeIndex: 0, sso: {}, nodes: [] });
      } else {
        const errMsg = 'Get Node Config Error';
        const err = common.handleError({ statusCode: 500, message: errMsg, error: errRes }, 'RTLConf', errMsg, req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.error, error: err.error });
      }
    } else {
      const nodeConfData = JSON.parse(data);
      const sso = { rtlSSO: common.rtl_sso, logoutRedirectLink: common.logout_redirect_link };
      const enable2FA = !!common.rtl_secret2fa;
      const allowPasswordUpdate = common.flg_allow_password_update;
      const nodesArr = [];
      if (common.nodes && common.nodes.length > 0) {
        common.nodes.forEach((node, i) => {
          const settings: NodeSettingsConfiguration = {};
          settings.userPersona = node.user_persona ? node.user_persona : 'MERCHANT';
          settings.themeMode = (node.theme_mode) ? node.theme_mode : 'DAY';
          settings.themeColor = (node.theme_color) ? node.theme_color : 'PURPLE';
          settings.fiatConversion = (node.fiat_conversion) ? !!node.fiat_conversion : false;
          settings.currencyUnit = node.currency_unit;
          nodesArr.push({
            index: node.index,
            lnNode: node.ln_node,
            lnImplementation: node.ln_implementation,
            settings: settings,
            authentication: {}
          });
        });
      }
      const body = { defaultNodeIndex: nodeConfData.defaultNodeIndex, selectedNodeIndex: (req.session.selectedNode && req.session.selectedNode.index ? req.session.selectedNode.index : common.initSelectedNode.index), sso: sso, enable2FA: enable2FA, allowPasswordUpdate: allowPasswordUpdate, nodes: nodesArr };
      logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Initial RTL Configuration Received', data: body });
      res.status(200).json(body);
    }
  });
};

export const getRTLConfig = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Getting RTL Configuration..' });
  const confFile = common.rtl_conf_file_path + sep + 'RTL-Config.json';
  fs.readFile(confFile, 'utf8', (errRes, data) => {
    if (errRes) {
      if (errRes.code === 'ENOENT') {
        logger.log({ selectedNode: req.session.selectedNode, level: 'ERROR', fileName: 'RTLConf', msg: 'Node config does not exist!', error: { error: 'Node config does not exist.' } });
        res.status(200).json({ defaultNodeIndex: 0, selectedNodeIndex: 0, sso: {}, nodes: [] });
      } else {
        const errMsg = 'Get Node Config Error';
        const err = common.handleError({ statusCode: 500, message: errMsg, error: errRes }, 'RTLConf', errMsg, req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.error, error: err.error });
      }
    } else {
      const nodeConfData = JSON.parse(data);
      const sso = { rtlSSO: common.rtl_sso, logoutRedirectLink: common.logout_redirect_link };
      const enable2FA = !!common.rtl_secret2fa;
      const allowPasswordUpdate = common.flg_allow_password_update;
      const nodesArr = [];
      if (common.nodes && common.nodes.length > 0) {
        common.nodes.forEach((node, i) => {
          const authentication: AuthenticationConfiguration = {};
          authentication.configPath = (node.config_path) ? node.config_path : '';
          authentication.swapMacaroonPath = (node.swap_macaroon_path) ? node.swap_macaroon_path : '';
          authentication.boltzMacaroonPath = (node.boltz_macaroon_path) ? node.boltz_macaroon_path : '';
          const settings: NodeSettingsConfiguration = {};
          settings.userPersona = node.user_persona ? node.user_persona : 'MERCHANT';
          settings.themeMode = (node.theme_mode) ? node.theme_mode : 'DAY';
          settings.themeColor = (node.theme_color) ? node.theme_color : 'PURPLE';
          settings.fiatConversion = (node.fiat_conversion) ? !!node.fiat_conversion : false;
          settings.bitcoindConfigPath = node.bitcoind_config_path;
          settings.logLevel = node.log_level ? node.log_level : 'ERROR';
          settings.lnServerUrl = node.ln_server_url;
          settings.swapServerUrl = node.swap_server_url;
          settings.boltzServerUrl = node.boltz_server_url;
          settings.enableOffers = node.enable_offers;
          settings.channelBackupPath = node.channel_backup_path;
          settings.currencyUnit = node.currency_unit;
          nodesArr.push({
            index: node.index,
            lnNode: node.ln_node,
            lnImplementation: node.ln_implementation,
            settings: settings,
            authentication: authentication
          });
        });
      }
      const body = { defaultNodeIndex: nodeConfData.defaultNodeIndex, selectedNodeIndex: (req.session.selectedNode && req.session.selectedNode.index ? req.session.selectedNode.index : common.initSelectedNode.index), sso: sso, enable2FA: enable2FA, allowPasswordUpdate: allowPasswordUpdate, nodes: nodesArr };
      logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'RTL Configuration Received', data: body });
      res.status(200).json(body);
    }
  });
};

export const updateUISettings = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Updating UI Settings..' });
  const RTLConfFile = common.rtl_conf_file_path + sep + 'RTL-Config.json';
  const config = JSON.parse(fs.readFileSync(RTLConfFile, 'utf-8'));
  const node = config.nodes.find((node) => (node.index === req.session.selectedNode.index));
  if (node && node.Settings) {
    node.Settings.userPersona = req.body.updatedSettings.userPersona;
    node.Settings.themeMode = req.body.updatedSettings.themeMode;
    node.Settings.themeColor = req.body.updatedSettings.themeColor;
    node.Settings.fiatConversion = req.body.updatedSettings.fiatConversion;
    if (req.body.updatedSettings.fiatConversion) {
      node.Settings.currencyUnit = req.body.updatedSettings.currencyUnit ? req.body.updatedSettings.currencyUnit : 'USD';
    } else {
      delete node.Settings.currencyUnit;
    }
    const selectedNode = common.findNode(req.session.selectedNode.index);
    selectedNode.user_persona = req.body.updatedSettings.userPersona;
    selectedNode.theme_mode = req.body.updatedSettings.themeMode;
    selectedNode.theme_color = req.body.updatedSettings.themeColor;
    selectedNode.fiat_conversion = req.body.updatedSettings.fiatConversion;
    if (req.body.updatedSettings.fiatConversion) {
      selectedNode.currency_unit = req.body.updatedSettings.currencyUnit ? req.body.updatedSettings.currencyUnit : 'USD';
    } else {
      delete selectedNode.currency_unit;
    }
    common.replaceNode(req, selectedNode);
  }
  try {
    fs.writeFileSync(RTLConfFile, JSON.stringify(config, null, 2), 'utf-8');
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'UI Settings Updated', data: maskPasswords(config) });
    res.status(201).json({ message: 'Node Settings Updated Successfully' });
  } catch (errRes) {
    const errMsg = 'Update Node Settings Error';
    const err = common.handleError({ statusCode: 500, message: errMsg, error: errRes }, 'RTLConf', errMsg, req.session.selectedNode);
    return res.status(err.statusCode).json({ message: err.error, error: err.error });
  }
};

export const update2FASettings = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Updating 2FA Settings..' });
  const RTLConfFile = common.rtl_conf_file_path + sep + 'RTL-Config.json';
  const config = JSON.parse(fs.readFileSync(RTLConfFile, 'utf-8'));
  if (req.body.secret2fa && req.body.secret2fa.trim() !== '') {
    config.secret2fa = req.body.secret2fa;
  } else {
    delete config.secret2fa;
  }
  const message = req.body.secret2fa.trim() === '' ? 'Two factor authentication disabled successfully.' : 'Two factor authentication enabled successfully.';
  try {
    fs.writeFileSync(RTLConfFile, JSON.stringify(config, null, 2), 'utf-8');
    common.rtl_secret2fa = config.secret2fa;
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: message });
    res.status(201).json({ message: message });
  } catch (errRes) {
    const errMsg = 'Update 2FA Settings Error';
    const err = common.handleError({ statusCode: 500, message: errMsg, error: errRes }, 'RTLConf', errMsg, req.session.selectedNode);
    return res.status(err.statusCode).json({ message: err.error, error: err.error });
  }
};

export const updateDefaultNode = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Updating Default Node..' });
  const RTLConfFile = common.rtl_conf_file_path + sep + 'RTL-Config.json';
  const config = JSON.parse(fs.readFileSync(RTLConfFile, 'utf-8'));
  config.defaultNodeIndex = req.body.defaultNodeIndex;
  try {
    fs.writeFileSync(RTLConfFile, JSON.stringify(config, null, 2), 'utf-8');
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Default Node Updated', data: maskPasswords(config) });
    res.status(201).json({ message: 'Default Node Updated Successfully' });
  } catch (errRes) {
    const errMsg = 'Update Default Node Error';
    const err = common.handleError({ statusCode: 500, message: errMsg, error: errRes }, 'RTLConf', errMsg, req.session.selectedNode);
    return res.status(err.statusCode).json({ message: err.error, error: err.error });
  }
};

export const getConfig = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Reading Configuration File..' });
  let confFile = '';
  let fileFormat = 'INI';
  switch (req.params.nodeType) {
    case 'ln':
      confFile = req.session.selectedNode.config_path;
      break;
    case 'bitcoind':
      confFile = req.session.selectedNode.bitcoind_config_path;
      break;
    case 'rtl':
      fileFormat = 'JSON';
      confFile = common.rtl_conf_file_path + sep + 'RTL-Config.json';
      break;
    default:
      confFile = '';
      break;
  }
  logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'RTLConf', msg: 'Node Type', data: req.params.nodeType });
  logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'RTLConf', msg: 'File Path', data: confFile });
  fs.readFile(confFile, 'utf8', (errRes, data) => {
    if (errRes) {
      const errMsg = 'Reading Config Error';
      const err = common.handleError({ statusCode: 500, message: errMsg, error: errRes }, 'RTLConf', errMsg, req.session.selectedNode);
      return res.status(err.statusCode).json({ message: err.error, error: err.error });
    } else {
      let jsonConfig = {};
      if (fileFormat === 'JSON') {
        jsonConfig = JSON.parse(data);
      } else {
        fileFormat = 'INI';
        data = data?.replace('color=#', 'color=');
        jsonConfig = ini.parse(data);
        if (jsonConfig['Application Options'] && jsonConfig['Application Options'].color) {
          jsonConfig['Application Options'].color = '#' + jsonConfig['Application Options'].color;
        }
        if (req.session.selectedNode.ln_implementation === 'ECL' && !jsonConfig['eclair.api.password']) {
          fileFormat = 'HOCON';
          jsonConfig = parseHocon(data);
        }
      }
      jsonConfig = maskPasswords(jsonConfig);
      const responseJSON = (fileFormat === 'JSON') ? jsonConfig : ini.stringify(jsonConfig)?.replace('color=\\#', 'color=#');
      logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Configuration File Data Received', data: responseJSON });
      res.status(200).json({ format: fileFormat, data: responseJSON });
    }
  });
};

export const getFile = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Getting File..' });
  const file = req.query.path ? req.query.path : (req.session.selectedNode.channel_backup_path + sep + 'channel-' + req.query.channel?.replace(':', '-') + '.bak');
  logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'RTLConf', msg: 'Channel Point', data: req.query.channel });
  logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'RTLConf', msg: 'File Path', data: file });
  fs.readFile(file, 'utf8', (errRes, data) => {
    if (errRes) {
      if (errRes.code && errRes.code === 'ENOENT') { errRes.code = 'File Not Found!'; }
      const errMsg = 'Reading File Error';
      const err = common.handleError({ statusCode: 500, message: errMsg, error: errRes }, 'RTLConf', errMsg, req.session.selectedNode);
      return res.status(err.statusCode).json({ message: err.error, error: err.error });
    } else {
      logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'File Data Received', data: data });
      res.status(200).json(data);
    }
  });
};

export const getCurrencyRates = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Getting Currency Rates..' });
  options.url = 'https://blockchain.info/ticker';
  request(options).then((body) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Currency Rates Received', data: body });
    res.status(200).json(JSON.parse(body));
  }).catch((errRes) => {
    const errMsg = 'Get Rates Error';
    const err = common.handleError({ statusCode: 500, message: errMsg, error: errRes }, 'RTLConf', errMsg, req.session.selectedNode);
    return res.status(err.statusCode).json({ message: err.error, error: err.error });
  });
};

export const updateSSO = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Updating SSO Settings..' });
  const RTLConfFile = common.rtl_conf_file_path + sep + 'RTL-Config.json';
  const config = JSON.parse(fs.readFileSync(RTLConfFile, 'utf-8'));
  delete config.SSO;
  config.SSO = req.body.SSO;
  try {
    fs.writeFileSync(RTLConfFile, JSON.stringify(config, null, 2), 'utf-8');
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'SSO Setting Updated', data: maskPasswords(config) });
    res.status(201).json({ message: 'SSO Updated Successfully' });
  } catch (errRes) {
    const errMsg = 'Update SSO Error';
    const err = common.handleError({ statusCode: 500, message: errMsg, error: errRes }, 'RTLConf', errMsg, req.session.selectedNode);
    return res.status(err.statusCode).json({ message: err.error, error: err.error });
  }
};

export const updateServiceSettings = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Updating Service Settings..' });
  const RTLConfFile = common.rtl_conf_file_path + sep + 'RTL-Config.json';
  const config = JSON.parse(fs.readFileSync(RTLConfFile, 'utf-8'));
  const selectedNode = common.findNode(req.session.selectedNode.index);
  config.nodes.find((node) => {
    if (node.index === req.session.selectedNode.index) {
      switch (req.body.service) {
        case 'LOOP':
          if (req.body.settings.enable) {
            node.Settings.swapServerUrl = req.body.settings.serverUrl;
            node.Authentication.swapMacaroonPath = req.body.settings.macaroonPath;
            selectedNode.swap_server_url = req.body.settings.serverUrl;
            selectedNode.swap_macaroon_path = req.body.settings.macaroonPath;
          } else {
            delete node.Settings.swapServerUrl;
            delete node.Authentication.swapMacaroonPath;
            delete selectedNode.swap_server_url;
            delete selectedNode.swap_macaroon_path;
          }
          break;

        case 'BOLTZ':
          if (req.body.settings.enable) {
            node.Settings.boltzServerUrl = req.body.settings.serverUrl;
            node.Authentication.boltzMacaroonPath = req.body.settings.macaroonPath;
            selectedNode.boltz_server_url = req.body.settings.serverUrl;
            selectedNode.boltz_macaroon_path = req.body.settings.macaroonPath;
          } else {
            delete node.Settings.boltzServerUrl;
            delete node.Authentication.boltzMacaroonPath;
            delete selectedNode.boltz_server_url;
            delete selectedNode.boltz_macaroon_path;
          }
          break;

        case 'OFFERS':
          node.Settings.enableOffers = req.body.settings.enableOffers;
          selectedNode.enable_offers = req.body.settings.enableOffers;
          break;

        default:
          break;
      }
      common.replaceNode(req, selectedNode);
    }
    return node;
  });
  try {
    fs.writeFileSync(RTLConfFile, JSON.stringify(config, null, 2), 'utf-8');
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'RTLConf', msg: 'Service Settings Updated', data: maskPasswords(config) });
    res.status(201).json({ message: 'Service Settings Updated Successfully' });
  } catch (errRes) {
    const errMsg = 'Update Service Settings Error';
    const err = common.handleError({ statusCode: 500, message: errMsg, error: errRes }, 'RTLConf', errMsg, req.session.selectedNode);
    return res.status(err.statusCode).json({ message: err.error, error: err.error });
  }
};

export const maskPasswords = (obj) => {
  const keys = Object.keys(obj);
  const length = keys.length;
  if (length !== 0) {
    for (let i = 0; i < length; i++) {
      if (typeof obj[keys[i]] === 'object') {
        keys[keys[i]] = maskPasswords(obj[keys[i]]);
      }
      if (typeof keys[i] === 'string' &&
        (keys[i].toLowerCase().includes('password') || keys[i].toLowerCase().includes('multipass') ||
          keys[i].toLowerCase().includes('rpcpass') || keys[i].toLowerCase().includes('rpcpassword'))
      ) {
        obj[keys[i]] = '********************';
      }
    }
  }
  return obj;
};