Class App

src/app/app.ts:16–172

const logger = createLogger('app-primary')

export class App implements IRunnable {
  private workers: WeakMap<Worker, Record<string, string>>
  private watchers: FSWatcher[] | undefined

  public constructor(
    private readonly process: NodeJS.Process,
    private readonly cluster: Cluster,
    private readonly settings: () => Settings,
  ) {
    logger('starting')

    this.workers = new WeakMap()

    this.cluster.on('message', this.onClusterMessage.bind(this)).on('exit', this.onClusterExit.bind(this))

    this.process.on('SIGTERM', this.onExit.bind(this))

    logger('started')
  }

  public run(): void {
    const settings = this.settings()
    this.watchers = SettingsStatic.watchSettings()
    logger.info(`
 ███▄    █  ▒█████    ██████ ▄▄▄█████▓ ██▀███  ▓█████ ▄▄▄       ███▄ ▄███▓
 ██ ▀█   █ ▒██▒  ██▒▒██    ▒ ▓  ██▒ ▓▒▓██ ▒ ██▒▓█   ▀▒████▄    ▓██▒▀█▀ ██▒
▓██  ▀█ ██▒▒██░  ██▒░ ▓██▄   ▒ ▓██░ ▒░▓██ ░▄█ ▒▒███  ▒██  ▀█▄  ▓██    ▓██░
▓██▒  ▐▌██▒▒██   ██░  ▒   ██▒░ ▓██▓ ░ ▒██▀▀█▄  ▒▓█  ▄░██▄▄▄▄██ ▒██    ▒██
▒██░   ▓██░░ ████▓▒░▒██████▒▒  ▒██▒ ░ ░██▓ ▒██▒░▒████▒▓█   ▓██▒▒██▒   ░██▒
░ ▒░   ▒ ▒ ░ ▒░▒░▒░ ▒ ▒▓▒ ▒ ░  ▒ ░░   ░ ▒▓ ░▒▓░░░ ▒░ ░▒▒   ▓▒█░░ ▒░   ░  ░
░ ░░   ░ ▒░  ░ ▒ ▒░ ░ ░▒  ░ ░    ░      ░▒ ░ ▒░ ░ ░  ░ ▒   ▒▒ ░░  ░      ░
   ░   ░ ░ ░ ░ ░ ▒  ░  ░  ░    ░        ░░   ░    ░    ░   ▒   ░      ░
         ░     ░ ░        ░              ░        ░  ░     ░  ░       ░`)
    const width = 74
    const torHiddenServicePort = process.env.HIDDEN_SERVICE_PORT ? Number(process.env.HIDDEN_SERVICE_PORT) : 80
    const port = process.env.RELAY_PORT ? Number(process.env.RELAY_PORT) : 8008

    const logCentered = (input: string, width: number) => {
      const start = (width - input.length) >> 1
      logger.info(' '.repeat(start), input)
    }
    logCentered(`v${packageJson.version}`, width)
    logCentered(`NIPs implemented: ${packageJson.supportedNips}`, width)
    const paymentsEnabled = pathEq(['payments', 'enabled'], true, settings)
    logCentered(`Pay-to-relay ${paymentsEnabled ? 'enabled' : 'disabled'}`, width)
    if (paymentsEnabled) {
      logCentered(`Payments provider: ${path(['payments', 'processor'], settings)}`, width)
    }

    if (
      paymentsEnabled &&
      (typeof this.process.env.SECRET !== 'string' ||
        this.process.env.SECRET === '' ||
        this.process.env.SECRET === 'changeme')
    ) {
      logger.error('Please configure the secret using the SECRET environment variable.')
      this.process.exit(1)
    }