+/**
+* @file Node entry and main driver
+* @author Jordan Lavatai, Ken Grimes
+* @version 0.0.1
+* @license AGPL-3.0
+* @copyright loljk 2017
+* @summary HTTP(S) Router that uses the first directory in the requested URL
+* as the route name
+*/
const fs = require('fs')
const ws = require('ws')
-const https = require('https')
+const path = require('path')
const http = require('http')
+const https = require('https')
const getport = require('get-port')
-const argv = require('minimist')(process.argv.slice(2))
+const mime = require('mime')
+const opts = require('./opts.js')
-const http_redirect = http.createServer((request, response) => {
- response.writeHead(301, { "Location": "https://" + request.headers['host'] + request.url})
- response.end()
-}).listen(2080)
+const router = {
+ skelPage: fs.readFileSync('./skel.html', { encoding: 'utf8' }).split('<!--STRAPP_SRC-->'),
+ clientJS: fs.readFileSync(opts['client-js']),
+ hostJS: fs.readFileSync(opts['host-js']),
+ routes: {},
+ httpsOpt: undefined,
+ httpd: undefined,
+ wsProtocol: opts['no-tls'] ? 'ws' : 'wss',
+ respond: (request,response) => {
+ let body = []
+ request.on('error', function(err) {
+ console.error(`error is ${err}`);
+ }).on('data', function(chunk) {
+ console.log(`chunk is ${chunk}`)
+ body.push(chunk);
+ }).on('end', function() {
+ console.log(`body is ${body}`)
+ })
+ console.log('server handling request')
+ const serveFile = (fPath) => {
+ fs.readFile(fPath, { encoding: 'utf8' }, (err, data) => {
+ if (err || data == undefined) {
+ response.writeHead(404)
+ response.end()
+ }
+ else {
+ response.writeHead(200, { 'Content-Type': mime.lookup(fPath) })
+ response.write(data)
+ response.end()
+ }
+ })
+ }
+ const htArgv = request.url.slice(1).split("?")
+ let routePath = htArgv[0].split('/')
+ let routeName = routePath[0]
+ if (routeName === '' || routeName === 'index.html')
+ serveFile(opts['index'])
+ else if (routeName in opts['bindings']) {
+ let localPath = path.normalize(opts['bindings'][routeName].concat(path.sep + routePath.slice(1).join(path.sep)))
+ if (localPath.includes(opts['bindings'][routeName])) {
+ fs.readdir(localPath, (err, files) => {
+ if (err)
+ serveFile(localPath)
+ else
+ serveFile(`${localPath}/index.html`)
+ })
+ }
+ else {
+ console.log(`SEC: ${localPath} references files not in route`)
+ }
+ }
+ /* TODO: Handle reconnecting host */
+ else if (routeName in router.routes) {
-const https_router_opts = {
- key: fs.readFileSync('stunnel.key'),
- cert: fs.readFileSync('stunnel.cert')
-}
+ const route = router.routes[routeName]
-let https_routes = {}
-const https_router = https.createServer(https_router_opts, (request, response) => {
- let ht_argv = request.url.slice(1).split("?")
- console.log(ht_argv)
- if (ht_argv[0] in https_routes) {
- response.writeHead(200, { 'Content-Type': 'text/plain' })
- response.write('You are a remote client\r\n')
- let route = https_routes[ht_argv[0]]
- response.write('You should connect to ' + route.host + "\r\nOn port: " + route.port + "\r\n")
- response.end()
- }
- else if (ht_argv[0].indexOf(".") == -1) {
- https_routes[ht_argv[0]] = 'true'
- response.writeHead(200, { 'Content-Type': 'text/html' })
- let new_route = {}
- new_route.host = request.headers['x-forwarded-for'] || request.connection.remoteAddress
- getport().then( (port) => {
- new_route.port = port
- new_route.httpd = https.createServer(https_router_opts, (request, response) => {
- }).listen(port)
- new_route.ws = new ws.Server( { server: new_route.httpd } )
- new_route.ws.on('connection', (ws) => { console.log("socket connected"); ws.send("CONNECTED") } )
- new_route.ws.on('message', (msg) => { console.log("Received message" + msg) })
- console.log("Listening for websocket socket " + new_route.port + " on " + new_route.host)
- console.log(new_route)
- https_routes[ht_argv[0]] = new_route
- }).then(() => {
- let str = String(fs.readFileSync('remote-server.html'))
- response.write(str.replace("$HOST",new_route.host.slice(7)).replace("$PORT",new_route.port))
- response.end()
- })
- }
-}).listen(2443)
+ /* Client is INIT GET */
+ if (request.headers['x-strapp-type'] == undefined) {
+ console.log('client init GET')
+ response.writeHead(200, { 'Content-Type': 'text/html' })
+ response.write(`${router.skelPage[0]}${router.clientJS}${router.skelPage[1]}`)
+ response.end()
+ //TODO: if route.socket == undefined: have server delay this send until host connects
+ // (this happens when a client connects to an active route with no currently-online host)
+ }
+ else { /* Client sent offer, waiting for answer */
+ console.log(JSON.parse(request.headers['x-strapp-type']))
+ route.socket.on('message', (hostResponse) => {
+ console.log(hostResponse)
+ })
+ }
+ }
+ else {
+ router.routes[routeName] = true
+ const newRoute = {}
+ newRoute.host = request.headers['x-forwarded-for'] || request.connection.remoteAddress
+ getport().then( (port) => {
+ newRoute.port = port
+ if (opts['no-tls'])
+ newRoute.httpd = http.createServer()
+ else
+ newRoute.httpd = https.createServer(router.httpsOpts)
+ newRoute.httpd.listen(newRoute.port)
+ newRoute.wsd = new ws.Server( { server: newRoute.httpd } )
+ newRoute.wsd.on('connection', (sock) => {
+ newRoute.socket = sock
+ sock.on('message', (msg) => { console.log(`[${newRoute.host}] ${msg}`) })
+ })
+ console.log(`Listening for websocket ${newRoute.host} on port ${newRoute.port}`)
+ router.routes[routeName] = newRoute
+ }).then(() => {
+ response.writeHead(200, { 'Content-Type': 'text/html' })
+ response.write(`${router.skelPage[0]}` +
+ `\tconst _strapp_port = ${newRoute.port}\n` +
+ `\tconst _strapp_protocol = '${router.wsProtocol}'\n` +
+ `${router.hostJS}\n${router.skelPage[1]}`)
+ response.end()
+ })
+ }
+ }
+ }
-if ("electron" in process.versions);
+ /**
+ * @summary Boot up the router. With TLS, we must wait for file reads to sync.
+ */
+ if (!opts['no-tls']) {
+ console.log('tls')
+ let filesRead = 0
+ let key = undefined
+ let cert = undefined
+ const syncRead = () => {
+ if (++filesRead == 2) {
+ if (key == undefined)
+ console.log(`ERR: Key ${opts['ca-key']} inaccessible, tls will fail`)
+ if(cert == undefined)
+ console.log(`ERR: Cert ${opts['ca-cert']} inaccessible, tls will fail`)
+ else if (key != undefined) {
+ router.httpsOpts = { cert: cert, key: key}
+ router.httpd = https.createServer(router.httpsOpts, router.respond)
+ .listen(opts['port'])
+ }
+ }
+ }
+ fs.readFile(opts['ca-key'], { encoding: 'utf8' }, (err, data) => {
+ if (!err) key = data
+ syncRead()
+ })
+ fs.readFile(opts['ca-cert'], { encoding: 'utf8' }, (err, data) => {
+ if (!err) cert = data
+ syncRead()
+ })
+ }
+ else
+ router.httpd = http.createServer(router.respond).listen(opts['port'])
+ //TODO: if ("electron" in process.versions) open a local renderwindow, and route to it
projects / henge / kiak.git / blobdiff