Add ability to run a https server

config/cert.example.key

@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
+MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQDATKpo+Hn+GlIr
+HI80SXIZOqgNBlgfHzfpKc6J/7Y/C/tUALO81jLHIWfQJ/S0bjmEPcn0Q/N8LVv2
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+4MxVSbHK6i+Bkr05nxAvsYbvTy7Nlw==
+-----END PRIVATE KEY-----

config/cert.example.pem

@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
+MIIF9jCCA96gAwIBAgIJAJAioL94c2hZMA0GCSqGSIb3DQEBCwUAMIGPMQswCQYD
+VQQGEwJVUzELMAkGA1UECAwCTlkxETAPBgNVBAcMCE5ldyBZb3JrMRMwEQYDVQQK
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+WmAiLTw/3+ulCOMuS+m2Ih05sa8WpslG83rZIM7ScK4C/+zPDNS0HuO3
+-----END CERTIFICATE-----

src/index.js

@@ -7,5 +7,16 @@ if (!process.env.DEBUG) {
 const app = require('./server/app.js')
 const debug = require('debug')('peercalls')
 
-let port = process.env.PORT || 3000
-app.listen(port, () => debug('Listening on: %s', port))
+const port = process.env.PORT || 3000
+const server = app.listen(port, () => debug('Listening on: %s', port))
+
+function close () {
+  debug('Closing server...')
+  server.close(() => {
+    debug('Bye!')
+    process.exit()
+  })
+}
+
+process.on('SIGINT', close)
+process.on('SIGTERM', close)

src/server/__tests__/server-test.js

@@ -0,0 +1,29 @@
+const express = require('express')
+const http = require('http')
+const https = require('https')
+const { createServer } = require('../server.js')
+
+describe('server', () => {
+
+  let app, config
+  beforeEach(() => {
+    config = {}
+    app = express()
+  })
+
+  describe('createServer', () => {
+    it('creates https server when config.ssl', () => {
+      config.ssl = {
+        cert: 'config/cert.example.pem',
+        key: 'config/cert.example.key'
+      }
+      const s = createServer(config, app)
+      expect(s).toEqual(jasmine.any(https.Server))
+    })
+    it('creates http server when no ssl config', () => {
+      const s = createServer(config, app)
+      expect(s).toEqual(jasmine.any(http.Server))
+    })
+  })
+
+})

src/server/app.js

@@ -5,6 +5,7 @@ const debug = require('debug')('peercalls')
 const express = require('express')
 const handleSocket = require('./socket.js')
 const path = require('path')
+const { createServer } = require('./server.js')
 
 const BASE_URL = config.get('baseUrl')
 const SOCKET_URL = `${BASE_URL}/ws`
@@ -12,8 +13,8 @@ const SOCKET_URL = `${BASE_URL}/ws`
 debug(`WebSocket URL: ${SOCKET_URL}`)
 
 const app = express()
-const http = require('http').Server(app)
-const io = require('socket.io')(http, { path: SOCKET_URL })
+const server = createServer(config, app)
+const io = require('socket.io')(server, { path: SOCKET_URL })
 
 app.locals.version = require('../../package.json').version
 app.locals.baseUrl = BASE_URL
@@ -30,4 +31,4 @@ app.use(BASE_URL, router)
 
 io.on('connection', socket => handleSocket(socket, io))
 
-module.exports = http
+module.exports = server

src/server/server.js

@@ -0,0 +1,17 @@
+const fs = require('fs')
+const path = require('path')
+
+const projectRoot = path.resolve(path.join(__dirname, '../..'))
+
+const readFile = file => fs.readFileSync(path.resolve(projectRoot, file))
+
+function createServer (config, app) {
+  if (config.ssl) {
+    const key = readFile(config.ssl.key)
+    const cert = readFile(config.ssl.cert)
+    return require('https').createServer({ key, cert }, app)
+  }
+  return require('http').createServer(app)
+}
+
+module.exports = { createServer }