114 lines
2.5 KiB
TypeScript
114 lines
2.5 KiB
TypeScript
/* eslint-disable no-process-exit, unicorn/no-process-exit */
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import { app } from '../app.js'
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import http from 'node:http'
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import * as configFunctions from '../helpers/functions.config.js'
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import exitHook from 'exit-hook'
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import ntfyPublish from '@cityssm/ntfy-publish'
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import type * as ntfyTypes from '@cityssm/ntfy-publish/types'
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import Debug from 'debug'
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const debug = Debug('lot-occupancy-system:www')
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interface ServerError extends Error {
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syscall: string
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code: string
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}
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function onError(error: ServerError): void {
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if (error.syscall !== 'listen') {
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throw error
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}
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// handle specific listen errors with friendly messages
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switch (error.code) {
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// eslint-disable-next-line no-fallthrough
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case 'EACCES': {
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debug('Requires elevated privileges')
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process.exit(1)
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// break;
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}
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// eslint-disable-next-line no-fallthrough
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case 'EADDRINUSE': {
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debug('Port is already in use.')
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process.exit(1)
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// break;
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}
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// eslint-disable-next-line no-fallthrough
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default: {
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throw error
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}
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}
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}
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function onListening(server: http.Server): void {
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const addr = server.address()
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if (addr !== null) {
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const bind =
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typeof addr === 'string' ? 'pipe ' + addr : 'port ' + addr.port.toString()
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debug('Listening on ' + bind)
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}
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}
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/*
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* Initialize HTTP
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*/
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const ntfyStartupConfig = configFunctions.getProperty('application.ntfyStartup')
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const httpPort = configFunctions.getProperty('application.httpPort')
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const httpServer = http.createServer(app)
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httpServer.listen(httpPort)
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httpServer.on('error', onError)
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httpServer.on('listening', () => {
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onListening(httpServer)
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})
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debug('HTTP listening on ' + httpPort.toString())
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exitHook(() => {
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debug('Closing HTTP')
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httpServer.close()
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})
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if (ntfyStartupConfig) {
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const topic = ntfyStartupConfig.topic
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const server = ntfyStartupConfig.server
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const ntfyStartupMessage: ntfyTypes.NtfyMessageOptions = {
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topic,
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title: configFunctions.getProperty('application.applicationName'),
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message: 'Application Started',
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tags: ['arrow_up']
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}
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const ntfyShutdownMessage: ntfyTypes.NtfyMessageOptions = {
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topic,
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title: configFunctions.getProperty('application.applicationName'),
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message: 'Application Shut Down',
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tags: ['arrow_down']
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}
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if (server) {
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ntfyStartupMessage.server = server
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ntfyShutdownMessage.server = server
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}
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await ntfyPublish(ntfyStartupMessage)
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exitHook(() => {
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debug('Sending ntfy notification')
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void ntfyPublish(ntfyShutdownMessage)
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})
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}
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