authenzify/src/app.js

server to manage authentication authorization of users and more

import { v4 } from 'uuid'
import fastify from 'fastify'
import cookie from '@fastify/cookie'
import { fastifyRequestContext } from '@fastify/request-context'

import { factory } from './adapters/factories/index.js'
import { ConfigService } from './services/config.service.js'
import { initUsersRoutes } from './app-routes/users-routes.js'
import { getAuthenticatedInterceptor } from './interceptors.js'

/**
 * Loads and returns the full configuration object used by the users management module.
 *
 * @param {Partial<UsersManagementServerConfig>} config - Optional overrides for base config
 * @returns {Promise<UsersManagementServer>}
 */
export const usersManagementServer = async (config) => {
  const webServer = fastify({
    logger: config.logger
      ? {
          level: 'info',
          serializers: {
            req(req) {
              return {
                url: req.url,
                method: req.method,
                correlationId: req.headers['x-correlation-id'] || v4(),
              }
            },
          },
        }
      : false,
  })

  const configService = new ConfigService(config)

  const usersManagement = await factory(configService)

  await webServer.register(cookie)
  await webServer.register(fastifyRequestContext, {
    defaultStoreValues: {
      userInfo: { id: 'system' },
    },
  })
  const { publicKey, jwtOptions, authorizationCookieKey } = config
  const { tryToExtractUserAuthenticated } = getAuthenticatedInterceptor({
    publicKey,
    jwtOptions,
    authorizationCookieKey,
  })
  webServer.register(
    initUsersRoutes({
      configService,
      usersManagement,
      tryToExtractUserAuthenticated,
    }),
    { prefix: configService.usersRoutesPrefix },
  )
  webServer.listen(
    { port: configService.port, host: configService.host },
    (err, address) => {
      if (err) {
        console.error(err)
        process.exit(1)
      }
      console.log(`Server listening at ${address}`)
    },
  )

  return {
    server: webServer,
    usersManagement,
  }
}