Refactored server.js to serve the app files over Express

2021-02-25 15:37:45 +01:00 · 2021-02-25 15:37:45 +01:00 · 7ce417d816
parent 38d6432be4
commit 7ce417d816
4 changed files with 406 additions and 25 deletions
--- a/service/package-lock.json
+++ b/service/package-lock.json
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+      "integrity": "sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==",
+      "requires": {
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "fresh": "0.5.2",
+        "http-errors": "~1.7.2",
+        "mime": "1.6.0",
+        "ms": "2.1.1",
+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.1",
+        "statuses": "~1.5.0"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+        }
+      }
+    },
+    "serve-static": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.1.tgz",
+      "integrity": "sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==",
+      "requires": {
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.3",
+        "send": "0.17.1"
+      }
+    },
+    "setprototypeof": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
+      "integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw=="
+    },
    "signal-exit": {
      "version": "3.0.3",
      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
      "integrity": "sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA==",
      "dev": true
    },
+    "statuses": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+      "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
+    },
    "string-width": {
      "version": "4.2.0",
      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.0.tgz",
@ -1134,6 +1453,11 @@
        "is-number": "^7.0.0"
      }
    },
+    "toidentifier": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
+      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
+    },
    "touch": {
      "version": "3.1.0",
      "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.0.tgz",
@ -1154,6 +1478,15 @@
      "integrity": "sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==",
      "dev": true
    },
+    "type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "requires": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      }
+    },
    "typedarray-to-buffer": {
      "version": "3.1.5",
      "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
@ -1180,6 +1513,11 @@
        "crypto-random-string": "^2.0.0"
      }
    },
+    "unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+    },
    "update-notifier": {
      "version": "4.1.3",
      "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-4.1.3.tgz",
@ -1218,6 +1556,16 @@
        "node-gyp-build": "^4.2.0"
      }
    },
+    "utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+    },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    },
    "websocket": {
      "version": "1.0.33",
      "resolved": "https://registry.npmjs.org/websocket/-/websocket-1.0.33.tgz",
--- a/service/package.json
+++ b/service/package.json
@ -20,6 +20,7 @@
  "homepage": "https://git.platypush.tech/platypush/platypush-app",
  "dependencies": {
    "bonjour": "^3.5.0",
+    "express": "^4.17.1",
    "websocket": "^1.0.33"
  },
  "devDependencies": {
--- a/service/server.js
+++ b/service/server.js
@ -1,62 +1,86 @@
-const WebSocketServer = require('websocket').server
+const websocket = require('websocket').server
 const http = require('http')
+const express = require('express')
+const path = require('path')
 const bonjour = require('bonjour')()

-const sockets = new Set()
-const services = {}
+const app = express(),
+      bodyParser = require('body-parser'),
+      wsPort = 3080,
+      httpPort = 18080,
+      sockets = new Set(),
+      services = {}

+// Initialize HTTP websocket transport
 const server = http.createServer(function(request, response) {
-    console.log((new Date()) + ' Received request for ' + request.url)
+    console.log(`[${(new Date())}] Received request for ${request.url}`)
    response.writeHead(404)
    response.end()
 })

-server.listen(3080, '127.0.0.1', () => {
-    console.log((new Date()) + ' Server is listening on port 3080')
+server.listen(wsPort, '127.0.0.1', () => {
+    console.log(`[${(new Date())}] Websocket transport listening on port ${wsPort}`)
 })

-wsServer = new WebSocketServer({
+// Initialize Express web service
+app.use(bodyParser.json())
+app.use(express.static(path.join(__dirname, '../webapp/dist')))
+
+app.get('/', (req,res) => {
+  res.sendFile(path.join(__dirname, '../webapp/dist/index.html'))
+})
+
+app.listen(httpPort, () => {
+    console.log(`Web server listening on port ${httpPort}`)
+})
+
+// Initialize websocket service
+wsServer = new websocket({
    httpServer: server,
    autoAcceptConnections: false,
 })

-function originIsAllowed() {
+function requestAllowed(request) {
+    if (request.resource !== '/services') {
+        console.log(`Unknown web socket resource: ${request.resource}`)
+        return false
+    }
+
+    if (request.remoteAddress !== '127.0.0.1' && request.remoteAddress !== '::1') {
+        console.log('Websocket requests are only allowed from localhost')
+        return false
+    }
+
    return true
 }

 wsServer.on('request', (request) => {
-    if (!originIsAllowed(request.origin)) {
-        request.reject()
-        console.log((new Date()) + ' Connection from origin ' + request.origin + ' rejected.')
+    if (!requestAllowed(request))
        return
-    }

    const connection = request.accept('', request.origin)
-    sockets.add(connection)
+    console.log(`[${(new Date())}] Connection accepted.`)

+    sockets.add(connection)
    sendServiceInfo(connection)
-    console.log((new Date()) + ' Connection accepted.')

    connection.on('message', function(message) {
        if (message.type === 'utf8') {
-            console.log('Received Message: ' + message.utf8Data)
-
-            if (message.utf8Data === 'sync')
+            if (message.utf8Data === 'sync') {
+                console.log('Received sync request')
                sendServiceInfo(connection)
+            } else {
+                console.log(`Unsupported command: ${message.utf8Data}`)
+            }
        }
    })

    connection.on('close', function() {
-        console.log((new Date()) + ' Peer ' + connection.remoteAddress + ' disconnected.')
+        console.log(`[${(new Date())}] Peer ${connection.remoteAddress} disconnected.`)
    })
 })

-function sendServiceInfo(sock, service) {
-    const srvs = service ? [service] : Object.values(services)
-    for (const srv of srvs)
-        sock.sendUTF(JSON.stringify(srv))
-}
-
+// Initialize the Zeroconf/Bonjour service
 function discoverServices() {
    bonjour.find({type: 'platypush-http'}, (service) => {
        services[service.name] = service
@ -66,4 +90,12 @@ function discoverServices() {
    })
 }

+function sendServiceInfo(sock, service) {
+    const srvs = service ? [service] : Object.values(services)
+    for (const srv of srvs)
+        sock.sendUTF(JSON.stringify(srv))
+}
+
 discoverServices()
+setInterval(discoverServices, 10000)
+
--- a/webapp/src/components/Hosts.vue
+++ b/webapp/src/components/Hosts.vue
@ -16,7 +16,7 @@ export default {
  data() {
    return {
      ws: null,
-      wsUrl: 'ws://localhost:3080/',
+      wsUrl: 'ws://localhost:3080/services',
      services: {},
      connRetrySeconds: 10,
      connRetryInterval: null,