-/**
-* @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 path = require('path')
-const http = require('http')
-const https = require('https')
-const getport = require('get-port')
-const mime = require('mime')
-const opts = require('./opts.js')
-
-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) => {
- 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: ${localPath} references files not in route`)
- }
- }
- /* TODO: Handle reconnecting host */
- else if (routeName in router.routes) {
- const route = router.routes[routeName]
- const clients = route['clients']
- const headerData = request.headers['x-strapp-type']
-
- if (route.socket === undefined ) {
- console.log('route socket undefined')
- }
-
- /* Client is INIT GET */
- if (headerData === undefined) {
- console.log('client init GET')
- response.writeHead(200, { 'Content-Type': 'text/html' })
- response.write(`${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 if (headerData.localeCompare('ice-candidate-request') === 0){
- console.log('Server: received ice-candidate-request from Client')
- let data = []
- request.on('data', (chunk) => {
- data.push(chunk)
- }).on('end', () => {
- data = Buffer.concat(data).toString();
- console.log('Sending ice-candidate-request to Host' + data)
- clients.set(data, response)
-
- route.socket.send(data)
- })
- }
- else if (headerData.localeCompare('ice-candidate-submission') === 0) {
- console.log('Server: recieved ice-candidate-submission from Client')
- let data = []
- request.on('data', (chunk) => {
- data.push(chunk)
- }).on('end', () => {
- console.log('Sending ice-candidate-submission to Host' + data)
- data = Buffer.concat(data).toString();
- clients.set(JSON.parse(data)['pubKey'], response)
- route.socket.send(data)
- })
- }
- else if (headerData.localeCompare('client-sdp-offer') === 0){ /* Client sent offer, waiting for answer */
- console.log('Server: Sending client offer to host')
- clients.set(JSON.parse(request.headers['x-client-offer'])['pubKey'], response)
- route.socket.send(request.headers['x-client-offer'])
- } else {
- console.log('Unhandled stuff')
- console.log(request.headers)
- }
-
- }
- else {
- router.routes[routeName] = true
- const newRoute = {}
- newRoute.clients = new Map([])
- 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) => {
- console.log(`${routeName} server has been established`)
- newRoute.socket = sock
-
- /* Handle all messages from host */
- sock.on('message', (hostMessage) => {
- hostMessage = JSON.parse(hostMessage)
- response = newRoute.clients.get(hostMessage['clientPubKey'])
-
- /* If the host response is a answer */
- if (hostMessage['cmd'].localeCompare('< sdp pubKey') === 0) {
- console.log('Server: Sending host answer to client')
- response.writeHead(200, { 'Content-Type': 'application/json' })
- response.write(JSON.stringify(hostMessage))
- response.end()
- }
- else if (hostMessage['cmd'].localeCompare('< ice pubKey') === 0){
- /* if the host response is an ice candidate */
- console.log('Server: Sending host ice candidate')
- let iceCandidateAvailable = hostMessage['iceCandidateAvailable']
- /* If there are any ice candidates, send them back */
- if (iceCandidateAvailable) {
- response.writeHead('200', {'x-strapp-type': 'ice-candidate-available'})
- response.write(JSON.stringify(hostMessage))
- response.end()
- }
- else { /* If not, srequest processed successfully, but there isnt anything yet*/
- console.log('Server: No ice candidate available for response')
- response.writeHead('204', {'x-strapp-type': 'ice-candidate-unavailable'})
- response.end()
- }
- }
- else {
- console.log('unhandled message cmd from host')
- }
-
- })
- })
-
- 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()
- })
- }
-
-
- }
- }
-
- /**
- * @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
+/**\r
+* @file Node entry and main driver\r
+* @author Jordan Lavatai, Ken Grimes\r
+* @version 0.0.1\r
+* @license AGPL-3.0\r
+* @copyright loljk 2017\r
+* @summ ary HTTP(S) Router that uses the first directory in the requested URL\r
+* as the route name\r
+*/\r
+const fs = require('fs')\r
+const ws = require('ws')\r
+const path = require('path')\r
+const http = require('http')\r
+const https = require('https')\r
+const getport = require('get-port')\r
+const mime = require('mime')\r
+const opts = require('./opts.js')\r
+\r
+const router = {\r
+ skelPage: fs.readFileSync('./skel.html', { encoding: 'utf8' }).split('<!--STRAPP_SRC-->'),\r
+ clientJS: fs.readFileSync(opts['client-js']),\r
+ hostJS: fs.readFileSync(opts['host-js']),\r
+ routes: {},\r
+ httpsOpt: undefined,\r
+ httpd: undefined,\r
+ wsProtocol: opts['no-tls'] ? 'ws' : 'wss',\r
+ respond: (request,response) => {\r
+ console.log('server handling request')\r
+ const serveFile = (fPath) => {\r
+ fs.readFile(fPath, { encoding: 'utf8' }, (err, data) => {\r
+ if (err || data == undefined) {\r
+ response.writeHead(404)\r
+ response.end()\r
+ }\r
+ else {\r
+ response.writeHead(200, { 'Content-Type': mime.lookup(fPath) })\r
+ response.write(data)\r
+ response.end()\r
+ }\r
+ })\r
+ }\r
+ const htArgv = request.url.slice(1).split("?")\r
+ let routePath = htArgv[0].split('/')\r
+ let routeName = routePath[0]\r
+\r
+\r
+ if (routeName === '' || routeName === 'index.html')\r
+ serveFile(opts['index'])\r
+ else if (routeName in opts['bindings']) {\r
+ let localPath = path.normalize(opts['bindings'][routeName].concat(path.sep + routePath.slice(1).join(path.sep)))\r
+ if (localPath.includes(opts['bindings'][routeName])) {\r
+ fs.readdir(localPath, (err, files) => {\r
+ if (err)\r
+ serveFile(localPath)\r
+ else\r
+ serveFile(`${localPath}/index.html`)\r
+ })\r
+ }\r
+ else {\r
+ console.log(`SEC: ${localPath} references files not in route`)\r
+ }\r
+ }\r
+ /* TODO: Handle reconnecting host */\r
+ else if (routeName in router.routes) {\r
+ const route = router.routes[routeName]\r
+ const clients = route['clients']\r
+ const headerData = request.headers['x-strapp-type']\r
+\r
+\r
+\r
+\r
+ /* Client is INIT GET */\r
+ if (headerData === undefined) {\r
+ console.log('client init GET')\r
+ response.writeHead(200, { 'Content-Type': 'text/html' })\r
+ response.write(`${router.skelPage[0]}${router.clientJS}${router.skelPage[1]}`)\r
+ response.end()\r
+ //TODO: if route.socket == undefined: have server delay this send until host connects\r
+ // (this happens when a client connects to an active route with no currently-online host)\r
+ }\r
+ else if (headerData.localeCompare('ice-candidate-request') === 0) {\r
+ console.log('Server: received ice-candidate-request from Client ') \r
+ let pubKey = request.headers['x-client-pubkey']\r
+ clients.set(pubKey, response)\r
+ pubKey = '{ "pubKey": "' + pubKey + '" }'\r
+ route.socket.send(pubKey)\r
+ }\r
+ else if (headerData.localeCompare('ice-candidate-submission') === 0) {\r
+ console.log('Server: recieved ice-candidate-submission from Client')\r
+ let data = []\r
+ request.on('data', (chunk) => {\r
+ data.push(chunk)\r
+ }).on('end', () => {\r
+ console.log('Sending ice-candidate-submission to Host')\r
+ data = Buffer.concat(data).toString();\r
+ clients.set(JSON.parse(data)['pubKey'], response)\r
+ route.socket.send(data)\r
+ })\r
+ }\r
+ else if (headerData.localeCompare('client-sdp-offer') === 0){ /* Client sent offer, waiting for answer */\r
+ console.log('Server: Sending client offer to host')\r
+ clients.set(JSON.parse(request.headers['x-client-offer'])['pubKey'], response)\r
+ route.socket.send(request.headers['x-client-offer'])\r
+ } else {\r
+ console.log('Unhandled stuff')\r
+ console.log(request.headers)\r
+ }\r
+\r
+ }\r
+ else {\r
+ router.routes[routeName] = true\r
+ const newRoute = {}\r
+ newRoute.clients = new Map([])\r
+ newRoute.host = request.headers['x-forwarded-for'] || request.connection.remoteAddress\r
+ getport().then( (port) => {\r
+ newRoute.port = port\r
+ if (opts['no-tls'])\r
+ newRoute.httpd = http.createServer()\r
+ else\r
+ newRoute.httpd = https.createServer(router.httpsOpts)\r
+ newRoute.httpd.listen(newRoute.port)\r
+ newRoute.wsd = new ws.Server( { server: newRoute.httpd } )\r
+ newRoute.wsd.on('connection', (sock) => {\r
+ console.log(`${routeName} server has been established`)\r
+ newRoute.socket = sock\r
+\r
+ /* Handle all messages from host */\r
+ sock.on('message', (hostMessage) => {\r
+ hostMessage = JSON.parse(hostMessage)\r
+ response = newRoute.clients.get(hostMessage['clientPubKey'])\r
+\r
+ /* If the host response is a answer */\r
+ if (hostMessage['cmd'].localeCompare('< sdp pubKey') === 0) {\r
+ console.log('Server: Sending host answer to client')\r
+ response.writeHead(200, { 'Content-Type': 'application/json' })\r
+ response.write(JSON.stringify(hostMessage))\r
+ response.end()\r
+ }\r
+ else if (hostMessage['cmd'].localeCompare('< ice pubKey') === 0){\r
+ /* if the host response is an ice candidate */\r
+ console.log('Server: Handling host ICE message')\r
+ let iceState = hostMessage['iceState']\r
+ /* If there are any ice candidates, send them back */\r
+ switch(iceState) {\r
+ case "a":\r
+ response.writeHead('200', {'x-strapp-type': 'ice-candidate-available'})\r
+ response.write(JSON.stringify(hostMessage))\r
+ response.end()\r
+ break\r
+ case "g":\r
+ console.log('Server: Host is still gathering candidates, keep trying')\r
+ response.writeHead('200', {'x-strapp-type': 'ice-state-gathering'})\r
+ response.write(JSON.stringify(hostMessage))\r
+ response.end()\r
+ break\r
+ case "c":\r
+ console.log('Server: Host has completed gathering candidates')\r
+ response.writeHead('200', {'x-strapp-type': 'ice-state-complete'})\r
+ response.write(JSON.stringify(hostMessage))\r
+ response.end()\r
+ break\r
+ default:\r
+ console.log('unhandled iceState from host')\r
+ break\r
+ }\r
+ }\r
+\r
+ })\r
+ })\r
+\r
+ console.log(`Listening for websocket ${newRoute.host} on port ${newRoute.port}`)\r
+ router.routes[routeName] = newRoute\r
+ }).then(() => {\r
+ response.writeHead(200, { 'Content-Type': 'text/html' })\r
+ response.write(`${router.skelPage[0]}` +\r
+ `\tconst _strapp_port = ${newRoute.port}\n` +\r
+ `\tconst _strapp_protocol = '${router.wsProtocol}'\n` +\r
+ `${router.hostJS}\n${router.skelPage[1]}`)\r
+ response.end()\r
+ })\r
+ }\r
+\r
+\r
+ }\r
+ }\r
+\r
+ /**\r
+ * @summary Boot up the router. With TLS, we must wait for file reads to sync.\r
+ */\r
+ if (!opts['no-tls']) {\r
+ console.log('tls')\r
+ let filesRead = 0\r
+ let key = undefined\r
+ let cert = undefined\r
+ const syncRead = () => {\r
+ if (++filesRead == 2) {\r
+ if (key == undefined)\r
+ console.log(`ERR: Key ${opts['ca-key']} inaccessible, tls will fail`)\r
+ if(cert == undefined)\r
+ console.log(`ERR: Cert ${opts['ca-cert']} inaccessible, tls will fail`)\r
+ else if (key != undefined) {\r
+ router.httpsOpts = { cert: cert, key: key}\r
+ router.httpd = https.createServer(router.httpsOpts, router.respond)\r
+ .listen(opts['port'])\r
+ }\r
+ }\r
+ }\r
+ fs.readFile(opts['ca-key'], { encoding: 'utf8' }, (err, data) => {\r
+ if (!err) key = data\r
+ syncRead()\r
+ })\r
+ fs.readFile(opts['ca-cert'], { encoding: 'utf8' }, (err, data) => {\r
+ if (!err) cert = data\r
+ syncRead()\r
+ })\r
+ }\r
+ else\r
+ router.httpd = http.createServer(router.respond).listen(opts['port'])\r
+\r
+ //TODO: if ("electron" in process.versions) open a local renderwindow, and route to it\r
projects / henge / kiak.git / blobdiff