commit 199b6c4acdade5451e7c67fadb6dbb21dccb7ec6
Author: luk.lu <luk.lu@faronear.org>
Date:   Thu Oct 24 14:46:53 2019 +0800

    init webserver

diff --git a/.gitignore b/.gitignore
new file mode 100644
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,20 @@
+.DS_Store
+node_modules/
+/dist/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+/test/unit/coverage/
+/test/e2e/reports/
+selenium-debug.log
+/data.log/*.log*
+
+# Editor directories and files
+.idea
+.vscode
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+/package-lock.json
+/www/*/sow
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diff --git a/package.json b/package.json
new file mode 100644
index 0000000..fb3676e
--- /dev/null
+++ b/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "webserver",
+  "version": "1.0.0",
+  "description": "Launch web server",
+  "main": "server.js",
+  "dependencies": {
+    "body-parser": "^1.18.2",
+    "commander": "^2.18.0",
+    "compression": "^1.7.3",
+    "cookie-parser": "^1.4.3",
+    "cross-env": "^5.1.3",
+    "deepmerge": "^2.1.1",
+    "errorhandler": "^1.5.0",
+    "express": "^4.16.2",
+    "greenlock-express": "^2.7.8",
+    "method-override": "^2.3.10",
+    "morgan": "^1.9.0",
+    "serve-favicon": "^2.4.5",
+    "vhost": "^3.0.2"
+  },
+  "devDependencies": {
+    "standard": "^12.0.1",
+    "supervisor": "^0.12.0",
+    "watchify": "^3.10.0"
+  },
+  "scripts": {
+    "dev": "cross-env NODE_ENV=development node server.js",
+    "dev.sup": "cross-env NODE_ENV=development supervisor -i data.log,node_modules,www,sow -- server.js",
+    "debug": "cross-env NODE_ENV=development node --inspect-brk server.js",
+    "debug.sup": "cross-env NODE_ENV=development supervisor -i data.log,node_modules,www,sow --inspect-brk -- server.js",
+    "daemon": "cross-env NODE_ENV=production node server.js",
+    "daemon.sup": "cross-env NODE_ENV=production supervisor -i data.log,node_modules,www,sow -- server.js",
+    "daemon.pm2": "cross-env NODE_ENV=production pm2 start server.js --name soweb"
+  },
+  "author": ""
+}
diff --git a/server.js b/server.js
new file mode 100644
index 0000000..98353fb
--- /dev/null
+++ b/server.js
@@ -0,0 +1,159 @@
+const fs = require('fs')
+const path = require('path')
+const os = require('os')
+
+function config(){
+  const commander = require('commander')
+  const deepmerge = require('deepmerge')
+
+  var Config={}
+
+  // 读取配置文件
+try {
+  if (fs.existsSync(path.join(process.cwd(), './ConfigBasic.js'))) {
+    Config=require(path.join(process.cwd(), './ConfigBasic.js'))
+    console.info('ConfigBasic loaded')
+  }
+  if (fs.existsSync(path.join(process.cwd(), './ConfigCustom.js'))) { // 如果存在，覆盖掉 ConfigBasic 里的默认参数
+    Config=deepmerge(Config, require(path.join(process.cwd(), './ConfigCustom.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
+    console.info('ConfigCustom loaded')
+  }
+  if (fs.existsSync(path.join(process.cwd(), './ConfigSecret.js'))) { // 如果存在，覆盖掉 ConfigBasic 和 ConfigCustom 里的参数
+    Config=deepmerge(Config, require(path.join(process.cwd(), './ConfigSecret.js')))
+    console.info('ConfigSecret loaded')
+  }
+}catch(err){
+  console.error('Loading config files failed: '+err.message)
+}
+
+  // 载入命令行参数
+  commander
+  .version(Config.VERSION, '-v, --version') // 默认是 -V。如果要 -v，就要加 '-v --version'
+  .option('-H, --host <host>', `Host ip or domain name. Default to ${Config.host}`)
+  .option('-P, --protocol <protocol>', `Web server protocol http|https|httpall|http2https. Default to ${Config.protocol}`)
+  .option('-p, --port <port>', `Server port. Default to ${Config.port?Config.port:'80|443'}`)
+  .option('--sslType <type>', `SSL provider type. Default to ${Config.sslType}`)
+  .option('--sslCert <cert>', `SSL certificate file. Default to ${Config.sslCert}`)
+  .option('--sslKey <key>', `SSL private key file. Default to ${Config.sslKey}`)
+  .option('--sslCA <ca>', 'SSL ca bundle file')
+  .parse(process.argv)
+
+  // 把命令行参数 合并入配置。
+  Config.host=commander.host || Config.host
+  Config.protocol=commander.protocol || Config.protocol  || 'http'
+  Config.port=parseInt(commander.port) || parseInt(Config.port) || (Config.protocol==='http'?80:Config.protocol==='https'?443:undefined) // 端口默认为 http:80, https:443, httpall: 80|443
+  Config.sslType = commander.sslType || Config.sslType
+  Config.sslCert=commander.sslCert || Config.sslCert
+  Config.sslKey=commander.sslKey || Config.sslKey
+  Config.sslCA=commander.sslCA || Config.sslCA
+
+  console.info('Configuration is ready.')
+
+  return Config
+}
+
+async function init(){  /*** 设置全局对象 ***/
+  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。
+  wo.Config=config() // 依次载入系统默认配置、用户配置文件、命令行参数
+}
+
+(async function start(){
+  await init()
+
+  const server = require('express')()
+
+  const greenlock = (wo.Config.sslType === 'greenlock') ? require('greenlock-express').create({
+    version: 'draft-11',
+    server: 'https://acme-v02.api.letsencrypt.org/directory', // for test: acme-staging-v02
+    agreeTos: true,
+    communityMember: false,
+    store: require('greenlock-store-fs'),
+    email: 'ssl@faronear.org',
+    approvedDomains: wo.Config.sslDomainList,
+    configDir: path.resolve(__dirname, 'ssl'),
+    app: server,
+  }) : null
+
+  /*** 通用中间件 ***/
+  server.use(require('morgan')('development'===server.get('env')?'dev':'combined'))
+  server.use(require('body-parser').json())
+  server.use(require('body-parser').urlencoded({ extended: false }))
+  server.use(require('cookie-parser')())
+  server.use(require('compression')())
+
+  /*** 路由 ***/
+  server.use(require('express').static(path.join(__dirname, 'dist'), {index: 'index.html'}))
+  // server.use(require('serve-favicon')(path.join(__dirname, 'public', 'favicon.ico')))  // uncomment after placing your favicon in /public
+
+  let ipv4 = getMyIp()
+
+  /*** 启动 Web 服务 ***/
+  if ('http' === wo.Config.protocol) {
+    webServer = require('http').createServer(server).listen(wo.Config.port, function (err) {
+      if (err) console.log(err)
+      else console.log(`Server listening on ${wo.Config.protocol}://${wo.Config.host}:${wo.Config.port} with IPv4=${ipv4} for ${server.settings.env} environment`)
+    })
+  } else if ('https' === wo.Config.protocol) {
+    webServer = require('https').createServer(wo.Config.sslType === 'greenlock' ? greenlock.httpsOptions : {
+      key: fs.readFileSync(wo.Config.sslKey),
+      cert: fs.readFileSync(wo.Config.sslCert),
+      // ca: [ fs.readFileSync(wo.Config.sslCA) ] // only for self-signed certificate: https://nodejs.org/api/tls.html#tls_tls_createserver_options_secureconnectionlistener
+    }, server).listen(wo.Config.port, function (err) {
+      if (err) console.log(err)
+      else console.log(`Server listening on ${wo.Config.protocol}://${wo.Config.host}:${wo.Config.port} with IPv4=${ipv4} for ${server.settings.env} environment`)
+    })
+  } else if ('httpall' === wo.Config.protocol) {
+    let portHttp = wo.Config.port ? wo.Config.port : 80 // 如果port参数已设置，使用它；否则默认为80
+    let portHttps = (wo.Config.port && wo.Config.port !== 80) ? wo.Config.port + 443 : 443 // 如果port参数已设置，使用它+443；否则默认为443
+    if (wo.Config.sslType === 'greenlock') {
+      webServer = greenlock.listen(portHttp, portHttps, function (err) {
+        if (err) console.log(err)
+        else console.log(`Server listening on [${wo.Config.protocol}] http=>https://${wo.Config.host}:${portHttp}=>${portHttps} with IPv4=${ipv4} for ${server.settings.env} environment`)
+      })
+    } else {
+      require('http').createServer(server.all('*', function (ask, reply) {
+        reply.redirect(`https://${wo.Config.host}:${portHttps}`)
+      })).listen(portHttp, function(err) {
+        if (err) console.log(err)
+        else console.log(`Server listening on [${wo.Config.protocol}] http://${wo.Config.host}:${portHttp} with IPv4=${ipv4} for ${server.settings.env} environment`)  
+      })
+      webServer = require('https').createServer({
+        key: fs.readFileSync(wo.Config.sslKey),
+        cert: fs.readFileSync(wo.Config.sslCert),
+        // ca: [ fs.readFileSync(wo.Config.sslCA) ] // only for self-signed certificate: https://nodejs.org/api/tls.html#tls_tls_createserver_options_secureconnectionlistener
+      }, server).listen(portHttps, function (err) {
+        if (err) console.log(err)
+        else console.log(`Server listening on [${wo.Config.protocol}] https://${wo.Config.host}:${portHttps} with IPv4=${ipv4} for ${server.settings.env} environment`)
+      })
+    }
+  } else if ('http2https' === wo.Config.protocol) {
+    wo.Config.port = wo.Config.port || 80
+    webServer = require('http').createServer(server.all('*', function (ask, reply) {    /* 错误的API调用进入这里。*/
+      reply.redirect(`https://${wo.Config.host}`)
+    })).listen(wo.Config.port, function (err) {
+      if (err) console.log(err)
+      else console.log(`Server listening on ${wo.Config.protocol}://${wo.Config.host}:${wo.Config.port} with IPv4=${ipv4} for ${server.settings.env} environment`)
+    })
+  }
+
+})()
+
+// ====================
+
+function getMyIp() {
+  var ipv4=null
+  try {
+    var ifaces = os.networkInterfaces()
+    Object.keys(ifaces).forEach(function (ifname) {
+      ifaces[ifname].forEach(function (iface) {
+        if ('IPv4' === iface.family && iface.internal === false) {
+//            console.log('ip='+iface.address)
+          ipv4=iface.address
+        }
+      })
+    })
+  } catch (e) {
+    console.log('ERROR in getMyIP(): '+e.message)
+  }
+  return ipv4
+}
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