213 lines
7.8 KiB
JavaScript
213 lines
7.8 KiB
JavaScript
const fs = require('fs')
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const path = require('path')
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function config () {
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const commander = require('commander')
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const deepmerge = require('deepmerge')
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var Config = {}
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// 读取配置文件
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try {
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if (fs.existsSync('./envar-base-basic.js')) {
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Config = require('./envar-base-basic.js')
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console.info('envar-base-basic.js loaded')
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}
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if (fs.existsSync('./envar-base-basic.gitignore.js')) {
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// 如果存在，覆盖掉 envar-base-basic.js 里的默认参数
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Config = deepmerge(Config, require('./envar-base-basic.gitignore.js')) // 注意，objectMerge后，产生了一个新的对象，而不是在原来的Config里添加
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console.info('envar-base-basic.gitignore.js loaded')
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}
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if (fs.existsSync('./envar-base-secret.gitignore.js')) {
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// 如果存在，覆盖掉 envar-base-basic.js 和 envar-base-basic.gitignore.js 里的参数
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Config = deepmerge(Config, require('./envar-base-secret.gitignore.js'))
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console.info('envar-base-secret.gitignore.js loaded')
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}
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} catch (err) {
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console.error('Loading config files failed: ' + err.message)
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}
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// 载入命令行参数
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commander
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.version(Config.baseVersion, '-v, --version') // 默认是 -V。如果要 -v，就要加 '-v --version'
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.option(
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'-H, --host <host>',
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'Host ip or domain name. Default to ' + Config.host
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)
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.option(
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'-P, --protocol <protocol>',
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'Web server protocol http|https|httpall|http2https. Default to ' +
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Config.protocol
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)
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.option(
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'-p, --port <port>',
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`Server port. Default to ${Config.port ? Config.port : '80|443'}`
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)
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.option('--sslCert <cert>', 'SSL cert file. Default to ' + Config.sslCert)
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.option('--sslKey <key>', 'SSL privkey file. Default to ' + Config.sslKey)
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.option('--sslCA <ca>', 'SSL ca bundle file')
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.option(
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'--sslType <type>',
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`SSL provider type. Default to ${Config.sslType}`
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)
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.parse(process.argv)
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// 把命令行参数 合并入配置。
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Config.host = commander.host || Config.host
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Config.protocol = commander.protocol || Config.protocol // 默认同时启用 http 和 https
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Config.port =
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parseInt(commander.port) ||
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parseInt(Config.port) ||
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(Config.protocol === 'http'
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? 80
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: Config.protocol === 'https'
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? 443
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: undefined) // 端口默认为 http:80, https:443, httpall: 80|443
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Config.sslCert = commander.sslCert || Config.sslCert
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Config.sslKey = commander.sslKey || Config.sslKey
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Config.sslCA = commander.sslCA || Config.sslCA
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Config.sslType = commander.sslType || Config.sslType
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console.info('Configuration is ready.')
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return Config
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}
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async function init () {
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/*** 设置全局对象 ***/
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global.wo = {} // wo 代表 world或‘我’，是当前的命名空间，把各种类都放在这里，防止和其他库的冲突。
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wo.Config = config() // 依次载入系统默认配置、用户配置文件、命令行参数
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}
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;(async function start () {
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await init()
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const express = require('express')
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const logger = require('morgan')
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const cookieParser = require('cookie-parser')
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const bodyParser = require('body-parser')
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const compression = require('compression')
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const server = express()
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const greenlock =
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wo.Config.sslType === 'greenlock'
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? require('greenlock-express').create({
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version: 'draft-11',
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server: 'https://acme-v02.api.letsencrypt.org/directory', // for test: acme-staging-v02
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agreeTos: true,
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communityMember: false,
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store: require('greenlock-store-fs'),
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email: 'ssl@faronear.org',
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approvedDomains: wo.Config.sslDomainList,
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configDir: path.resolve(__dirname, 'ssl'),
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app: server
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})
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: null
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/*** 通用中间件 ***/
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server.use(logger('development' === server.get('env') ? 'dev' : 'combined'))
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server.use(bodyParser.json())
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server.use(bodyParser.urlencoded({ extended: false }))
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server.use(cookieParser())
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server.use(compression())
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/*** 路由 ***/
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server.use(
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express.static(path.join(__dirname, 'dist'), { index: 'index.html' })
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)
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//server.use(require('serve-favicon')(path.join(__dirname, 'public', 'favicon.ico'))) // uncomment after placing your favicon in /public
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/*** 启动 Web 服务 ***/
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let webServer
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if ('http' === wo.Config.protocol) {
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webServer = require('http')
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.createServer(server)
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.listen(wo.Config.port, function (err) {
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if (err) console.log(err)
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else
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console.log(
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`Server listening on ${wo.Config.protocol}://${wo.Config.host}:${wo.Config.port} for ${server.settings.env} environment`
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)
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})
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} else if ('https' === wo.Config.protocol) {
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webServer = require('https')
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.createServer(
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wo.Config.sslType === 'greenlock'
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? greenlock.httpsOptions
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: {
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key: fs.readFileSync(wo.Config.sslKey),
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cert: fs.readFileSync(wo.Config.sslCert)
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// ca: [ fs.readFileSync(wo.Config.sslCA) ] // only for self-signed certificate: https://nodejs.org/api/tls.html#tls_tls_createserver_options_secureconnectionlistener
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},
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server
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)
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.listen(wo.Config.port, function (err) {
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if (err) console.log(err)
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else
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console.log(
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`Server listening on ${wo.Config.protocol}://${wo.Config.host}:${wo.Config.port} for ${server.settings.env} environment`
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)
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})
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} else if ('httpall' === wo.Config.protocol) {
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let portHttp = wo.Config.port ? wo.Config.port : 80 // 如果port参数已设置，使用它；否则默认为80
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let portHttps =
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wo.Config.port && wo.Config.port !== 80 ? wo.Config.port + 443 : 443 // 如果port参数已设置，使用它+443；否则默认为443
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if (wo.Config.sslType === 'greenlock') {
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webServer = greenlock.listen(portHttp, portHttps, function (err) {
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if (err) console.log(err)
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else
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console.log(
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`Server listening on [${wo.Config.protocol}] http=>https://${wo.Config.host}:${portHttp}=>${portHttps} for ${server.settings.env} environment`
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)
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})
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} else {
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require('http')
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.createServer(
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server.all('*', function (ask, reply) {
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reply.redirect(`https://${wo.Config.host}:${portHttps}`)
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})
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)
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.listen(portHttp, function (err) {
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if (err) console.log(err)
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else
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console.log(
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`Server listening on [${wo.Config.protocol}] http://${wo.Config.host}:${portHttp} for ${server.settings.env} environment`
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)
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})
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webServer = require('https')
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.createServer(
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{
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key: fs.readFileSync(wo.Config.sslKey),
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cert: fs.readFileSync(wo.Config.sslCert)
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// ca: [ fs.readFileSync(wo.Config.sslCA) ] // only for self-signed certificate: https://nodejs.org/api/tls.html#tls_tls_createserver_options_secureconnectionlistener
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},
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server
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)
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.listen(portHttps, function (err) {
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if (err) console.log(err)
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else
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console.log(
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`Server listening on [${wo.Config.protocol}] https://${wo.Config.host}:${portHttps} for ${server.settings.env} environment`
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)
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})
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}
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} else if ('http2https' === wo.Config.protocol) {
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wo.Config.port = wo.Config.port || 80
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webServer = require('http')
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.createServer(
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server.all('*', function (ask, reply) {
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/* 错误的API调用进入这里。*/
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reply.redirect(`https://${wo.Config.host}`)
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})
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)
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.listen(wo.Config.port, function (err) {
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if (err) console.log(err)
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else
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console.log(
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`Server listening on ${wo.Config.protocol}://${wo.Config.host}:${wo.Config.port} for ${server.settings.env} environment`
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)
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})
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}
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})()
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