v0.0.1
[henge/kiak.git] / main.js
diff --git a/main.js b/main.js
index ff85c9c..c7d5bd7 100644 (file)
--- a/main.js
+++ b/main.js
-const electron = require('electron')
-const http = require('http')
-const path = require('path')
-const url = require('url')
+/**
+ * @file      Node entry and main driver
+ * @author    Jordan Lavatai, Ken Grimes
+ * @version   0.0.1
+ * @license   AGPL-3.0
+ * @copyright jk software 2017
+ * @summary   HTTP(S) Router that uses the first directory in the requested URL
+ *            as the route name
+ */
 const fs = require('fs')
-const app = electron.app
-const BrowserWindow = electron.BrowserWindow
-const ipcMain = electron.ipcMain
-
-let mainWindow
-
-function beginRendererProcess() {
-  mainWindow = new BrowserWindow({show: true, webPreferences: { webSecurity: false, experimentalFeatures: true}})
-  mainWindow.loadURL(url.format({
-    pathname: path.join(__dirname, 'renderer.html'),
-    protocol: 'file:',
-    slashes: true
-  }))
-  mainWindow.webContents.openDevTools()
-}
+const ws = require('ws')
+const http = require('http')
+const https = require('https')
+const getport = require('get-port')
+const mime = require('mime')
+const opts = require('./opts.js')
 
-function captureStream() {
-  mainWindow.webContents.send('defaultStreamRequest', 'slr')
-  let p = new Promise((resolve,reject) => {
-    ipcMain.on('defaultStreamResponse', (event, arg) => {
-      console.log('received defaultStreamResponse')
-      console.log(arg)
-      resolve(arg)
+/* const routeConnection = (request,response) => {
+  const htArgv = request.url.slice(1).split("?")
+  let   routeName = /[^\/]*/.match(htArgv[0])[0]
+  if (routeName === '')
+    routeName = opts['index']
+  if (routeName.indexOf('.') != -1) {
+    if (routeName in fileBuf) {
+      response.writeHead(200, { 'Content-Type': fileBuf[routeName].mime })
+      response.write(fileBuf[routeName].data)
+    }
+    else {
+      if ('404.html' in fileBuf) {
+       response.writeHead(404, fileBuf['404.html'].mime)
+       response.write(fileBuf['404.html'].data)
+      }
+      else
+       response.writeHead(404)
+    }
+    response.end()
+  }
+  else if (routeName in routes) {
+    const route = routes[routeName]
+    response.writeHead(200, { 'Content-Type': 'text/html' })
+    response.write(skelPage[0] + clientJS + skelPage[1])
+    response.end()
+    route.socket.send(request.headers['x-forwarded-for'] || request.connection.remoteAddress)
+  }
+  else {
+    routes[htArgv[0]] = true
+    const newRoute = {}
+    newRoute.host = request.headers['x-forwarded-for'] || request.connection.remoteAddress
+    getport().then( (port) => {
+      newRoute.port = port
+      newRoute.httpd = https.createServer(routerOpts, (request, response) => {
+      }).listen(newRoute.port)
+      
+      newRoute.ws = new ws.Server( { server: newRoute.httpd } )
+      newRoute.ws.on('connection', (ws) => { console.log("socket connected"); newRoute.socket = ws; ws.send("CONNECTED") } )
+      newRoute.ws.on('message', (msg) => { console.log("Received message" + msg) })
+      console.log("Listening for websocket " + newRoute.host + " on port " + newRoute.port)
+      routes[htArgv[0]] = newRoute
+    }).then(() => {
+      response.writeHead(200, { 'Content-Type': 'text/html' })
+      response.write(skelPage[0] + 'const _strapp_port = \'' + newRoute.port + '\'\n' + hostJS + skelPage[1])
+      response.end()
     })
-  })
-
-  return p
+  }
 }
 
+if (!opts['no-tls']) {
+  router.httpd = http.createServer(router.listener)
+}
+else {
+  /* Setup TLS */
+  if (!fs.existsSync(opts['ca-key'])) {
+    console.log(`ERR: Key ${opts['ca-key']} inaccessible (required for tls)`)
+    process.exit()
+  }
+  if (!fs.existsSync(opts['ca-cert'])) {
+    console.log(`ERR: Cert ${opts['ca-cert']} inaccessible (required for tls)`)
+    process.exit()
+  }
+  router.opts = {
+    key: fs.readFileSync(opts['ca-key']),
+    cert: fs.readFileSync(opts['ca-cert'])
+  }
+}
 
-const routes = {
-  '/': function root(response) {
-    response.write(fs.readFileSync('admin.html'))
+const skelPage = String(fs.readFileSync('skel.html')).split("<!--STRAPP_SRC-->")
+const clientJS = fs.readFileSync(opts['client-js'])
+const hostJS   = fs.readFileSync(opts['host-js'])
+const routes   = {}
+/*
+const router = https.createServer(routerOpts, (request, response) => {
+  const htArgv = request.url.slice(1).split("?")
+  let   routeName = htArgv[0].split('/')[0]
+  if (routeName === '')
+    routeName = 'index.html'
+  if (routeName.indexOf('.') != -1) {
+    if (routeName in fileBuf) {
+      response.writeHead(200, { 'Content-Type': fileBuf[routeName].mime })
+      response.write(fileBuf[routeName].data)
+    }
+    else {
+      if ('404.html' in fileBuf) {
+       response.writeHead(404, fileBuf['404.html'].mime)
+       response.write(fileBuf['404.html'].data)
+      }
+      else
+       response.writeHead(404)
+    }
     response.end()
-  },
-  '/admin.js': function js(response) {
-    response.write(fs.readFileSync('admin.js'))
-    response.end()
-  },
-  '/admin.css': function css(response) {
-    response.write(fs.readFileSync('admin.css'))
-    response.end()
-  },
-  '/favicon.ico': function favicon() {
+  }
+  else if (routeName in routes) {
+    const route = routes[routeName]
+    response.writeHead(200, { 'Content-Type': 'text/html' })
+    response.write(skelPage[0] + clientJS + skelPage[1])
     response.end()
-  },
-  '/streamlist': function streamlist(response) {
-    let mediaStream = captureStream().then((stream) => {
-      console.log(stream)
+    route.socket.send(request.headers['x-forwarded-for'] || request.connection.remoteAddress)
+  }
+  else {
+    routes[htArgv[0]] = true
+    const newRoute = {}
+    newRoute.host = request.headers['x-forwarded-for'] || request.connection.remoteAddress
+    getport().then( (port) => {
+      newRoute.port = port
+      newRoute.httpd = https.createServer(routerOpts, (request, response) => {
+      }).listen(newRoute.port)
+      
+      newRoute.ws = new ws.Server( { server: newRoute.httpd } )
+      newRoute.ws.on('connection', (ws) => { console.log("socket connected"); newRoute.socket = ws; ws.send("CONNECTED") } )
+      newRoute.ws.on('message', (msg) => { console.log("Received message" + msg) })
+      console.log("Listening for websocket " + newRoute.host + " on port " + newRoute.port)
+      routes[htArgv[0]] = newRoute
+    }).then(() => {
+      response.writeHead(200, { 'Content-Type': 'text/html' })
+      response.write(skelPage[0] + 'const _strapp_port = \'' + newRoute.port + '\'\n' + hostJS + skelPage[1])
+      response.end()
     })
-
-    //response.write(mediaStream)
   }
-}
-
-app.on('ready', function() {
-  beginRendererProcess()
-
-
-  http.createServer(function(request, response) {
-    const url = request.url
-    console.log('routing to ' + url);
-    routes[url](response)
+}).listen(argv['port'])
+*/
+//TODO: if ("electron" in process.versions) open a local renderwindow, and route to it
 
-  }).listen(5140);
-});