--- /dev/null
+const body = document.createElement('body')
+const root = document.createElement('div')
+document.title = "Strapp.io Client"
+const conf = {"iceServers": [{ "urls": "stun:stun.1.google.com:19302" }] }
+
+/* TODO: This is duplicated in both client.js and host.js */
+function getPublicKey() {
+ return new Promise( (resolve, reject) => {
+ /* Check local storage for public key */
+ if (!window.localStorage.getItem('public-key')) {
+ /* If doesn't exist, generate public and private key pair, store in
+ local storage */
+ crypto.subtle.generateKey(
+ { name:'RSA-OAEP',
+ modulusLength: 2048,
+ publicExponent: new Uint8Array([0x01, 0x00, 0x01]),
+ hash: {name: "SHA-256"}
+ },
+ true,
+ ['encrypt', 'decrypt']
+ ).then((keyPair) => {
+ /* TODO: Do we need to store the private key as well? */
+ crypto.subtle.exportKey('jwk', keyPair.publicKey)
+ .then((exportedKey) => {
+ window.localStorage.setItem('publicKey', exportedKey)
+ console.log('public key is' + window.localStorage.getItem('publicKey'))
+ resolve(exportedKey)
+ })
+
+ })
+ }
+ else {
+ resolve(window.localStorage.getItem('publicKey'))
+ }
+})
+
+}
+
+function sendHost(url, data) {
+ const request = new XMLHttpRequest()
+ request.open('POST', url, true)
+ request.setRequestHeader('Content-Type', 'application/json' )
+ request.setRequestHeader('X-Strapp-Type', 'ice-candidate-submission')
+ request.send(data)
+}
+
+/* Poll the server. Send get request, wait for timeout, send another request.
+Do this until...? Can be used for either reconnecting or waiting for answer*/
+function requestHostAnswer(url, data) {
+ return new Promise((resolve, reject) => {
+ const request = new XMLHttpRequest()
+ request.open('GET', url, true)
+ /* But there is no JSON? */
+ request.setRequestHeader('Content-Type', 'application/json' )
+ request.setRequestHeader('X-Strapp-Type', 'client-sdp-offer')
+ request.setRequestHeader('X-Strapp-Pubkey', data.pubKey)
+ request.setRequestHeader('X-Strapp-Offer', JSON.stringify(data.sdp))
+ request.onreadystatechange = () => {
+ if (request.status === 200) {
+ if(request.readyState === 4) {
+ console.log('Client: Recieved Answer from Host')
+ console.log(request)
+ resolve(request.response)
+ }
+ }
+ else if (request.status === 504) {
+ console.log('timed out, resending')
+ resolve(requestHostAnswer(url, data))
+ }
+ else {
+ reject('server unhandled response of status ' + request.status)
+ }
+ }
+ request.send()
+ })
+}
+
+/* Poll server for ice candidates until ice is complete */
+function requestHostICE(cpc, url, pubKey) {
+ let intervalID = window.setInterval(() => {
+ if (cpc.iceConnectionState.localeCompare('connected') !== 0
+ && cpc.iceConnectionState.localeCompare('completed') !== 0) {
+ console.log('Client: Polling server begin for intervalID = ' + intervalID)
+ console.log('Client: Requesting ICE Candidates from server')
+ const request = new XMLHttpRequest()
+ request.open('GET', url, true)
+ request.setRequestHeader('Content-Type', 'application/json' )
+ request.setRequestHeader('X-Strapp-Type', 'ice-candidate-request')
+ request.setRequestHeader('X-client-pubkey', pubKey)
+ request.onreadystatechange = () => {
+ if (request.status === 200) {
+ if(request.readyState === 4) {
+ console.log('Client: Recieved ICE response from Host')
+ let response = JSON.parse(request.response)
+ switch(response['iceState']) {
+ case "a":
+ cpc.addIceCandidate(new RTCIceCandidate(response.ice))
+ break
+ case "g": /* Gathering so let interval keep polling */
+ break
+ case "c": /* host iceState == Complete, stop bugging it */
+ clearInterval(intervalID)
+ clearTimeout()
+ break
+ default:
+ console.log('Unhandled iceState in requestHostICE()' + response['iceState'])
+ break
+ }
+ }
+ }
+ else {
+ console.log('server unhandled response of status ' + request.status)
+ clearInterval(intervalID)
+ }
+ }
+ request.send()
+ }
+ else {
+ clearTimeout()
+ clearInterval(intervalID)
+ }
+ }, 5000)
+}
+
+/* Create and send offer -> Send ICE Candidates -> Poll for ICE Candidates */
+getPublicKey().then((cpk) => {
+ let dataChannel
+ console.log('Client: Create and send offer')
+ const cpc = new RTCPeerConnection(conf)
+
+ cpc.oniceconnectionstatechange = () => {
+ console.log('iceConnectionState = ' + cpc.iceConnectionState)
+ }
+
+ cpc.onnegotiationneeded = () => {
+ console.log('negotiation needed!')
+ cpc.createOffer().then((offer) => {
+ return cpc.setLocalDescription(offer)
+ })
+ .then(() => {
+ console.log('Client: Sending offer to host')
+ let offer = {
+ cmd: '> sdp pubKey',
+ sdp: cpc.localDescription,
+ pubKey: cpk.n
+ }
+ console.log(offer)
+ return requestHostAnswer(window.location, offer)
+ })
+ .then((serverResponse) => {
+ const answer = JSON.parse(serverResponse)
+ console.log('Client: Polling for ICE candidates')
+ requestHostICE(cpc, window.location, cpk.n)
+ cpc.setRemoteDescription(answer.sdp)
+ cpc.onicecandidate = (event) => {
+ if (event.candidate) {
+ console.log('Client: Sending ice candidate to host')
+ sendHost(window.location, JSON.stringify({
+ cmd: '> ice pubkey',
+ ice: event.candidate,
+ pubKey: cpk.n
+ }))
+ }
+ else {
+ console.log('Client: No more Ice Candidates to send')
+ }
+ }
+
+
+ }).catch( (err) => {
+ console.log('error in sdp handshake: ' + err)
+ })
+ }
+ /* Start data channel, triggers on negotiation needed */
+ dataChannel = cpc.createDataChannel("sendChannel");
+
+ /* Triggered when Host adds track to peer connection */
+ cpc.ontrack = (event) => {
+ let remoteRTPReceivers = cpc.getReceivers()
+ let hostScreen
+ let video = document.querySelector('video')
+ /* TODO: Audio, video, or other track? */
+ console.log(remoteRTPReceivers)
+ console.log(video)
+ hostScreen = new MediaStream([remoteRTPReceivers[0].track])
+ if(!video.srcObject) {
+ video.srcObject = hostScreen
+ }
+ console.log(hostScreen.getVideoTracks())
+ console.log(video.srcObject)
+ video.onloadedmetadata = () => {
+ video.play()
+ }
+ }
+
+ dataChannel.onmessage = (msg) => {
+ /* Get mediaStream from host and add it to the video */
+ let hostMessage = JSON.parse(msg.data)
+ console.log('Client: Renego')
+ cpc.setRemoteDescription(hostMessage.sdp).then(() => {
+ cpc.createAnswer().then((answer) => {
+ return cpc.setLocalDescription(answer)
+ }).then(() => {
+ dataChannel.send(JSON.stringify({
+ "cmd": "> screen dataChannel",
+ "sdp": cpc.localDescription
+ }))
+ })
+ })
+
+
+ }
+ dataChannel.onopen = () => {
+ document.body.innerHTML = (`<div><button> Connection with host established! </button></div> <video controls></video>`)
+ }
+
+})
+document.addEventListener('DOMContentLoaded', () => {
+
+ document.body.innerHTML = `<button> Setting up connection with host </button>`
+
+});
const root = document.createElement('div')\r
document.title = "Strapp.io Client"\r
const conf = {"iceServers": [{ "urls": "stun:stun.1.google.com:19302" }] }\r
-let dataChannel\r
-let hostScreen\r
\r
-/* TODO: duplicate in both client.js and host.js */\r
+/* TODO: This is duplicated in both client.js and host.js */\r
function getPublicKey() {\r
return new Promise( (resolve, reject) => {\r
/* Check local storage for public key */\r
/* But there is no JSON? */\r
request.setRequestHeader('Content-Type', 'application/json' )\r
request.setRequestHeader('X-Strapp-Type', 'client-sdp-offer')\r
- request.setRequestHeader('X-Client-Offer', JSON.stringify(data))\r
+ request.setRequestHeader('X-Strapp-Pubkey', data.pubKey)\r
request.onreadystatechange = () => {\r
if (request.status === 200) {\r
if(request.readyState === 4) {\r
reject('server unhandled response of status ' + request.status)\r
}\r
}\r
- request.send()\r
+ request.send(data)\r
})\r
}\r
\r
\r
/* Create and send offer -> Send ICE Candidates -> Poll for ICE Candidates */\r
getPublicKey().then((cpk) => {\r
+ let dataChannel\r
console.log('Client: Create and send offer')\r
const cpc = new RTCPeerConnection(conf)\r
\r
console.log('error in sdp handshake: ' + err)\r
})\r
}\r
- /* Start data channel */\r
+ /* Start data channel, triggers on negotiation needed */\r
dataChannel = cpc.createDataChannel("sendChannel");\r
+\r
+ /* Triggered when Host adds track to peer connection */\r
cpc.ontrack = (event) => {\r
- console.log(`track event is ${event}`)\r
- let remoteRTPSenders = cpc.getSenders()\r
let remoteRTPReceivers = cpc.getReceivers()\r
- console.log(remoteRTPReceivers)\r
- /* Add each remoteRTPSenders.track to own stream */\r
+ let hostScreen\r
let video = document.querySelector('video')\r
- video.autoplay = true\r
+ /* TODO: Audio, video, or other track? */\r
+ console.log(remoteRTPReceivers)\r
console.log(video)\r
hostScreen = new MediaStream([remoteRTPReceivers[0].track])\r
if(!video.srcObject) {\r
}\r
console.log(hostScreen.getVideoTracks())\r
console.log(video.srcObject)\r
- video.play()\r
video.onloadedmetadata = () => {\r
video.play()\r
}\r
}\r
+\r
dataChannel.onmessage = (msg) => {\r
/* Get mediaStream from host and add it to the video */\r
let hostMessage = JSON.parse(msg.data)\r
+ console.log('Client: Renego')\r
cpc.setRemoteDescription(hostMessage.sdp).then(() => {\r
cpc.createAnswer().then((answer) => {\r
return cpc.setLocalDescription(answer)\r
--- /dev/null
+document.title = "Strapp.io Host"
+
+
+const conf = {"iceServers": [{ "urls": "stun:stun.1.google.com:19302" }] }
+const clients = new Map([])
+const iceCandidates = []
+let dataChannel
+let screenStream /* TODO: Remove if can access localStreams */
+let tracks = []
+let hpk
+
+/* TODO: duplicate in both client.js and host.jhs */
+function getPublicKey() {
+ return new Promise( (resolve, reject) => {
+ /* Check local storage for public key */
+ if (!window.localStorage.getItem('public-key')) {
+ console.log('public key is undefined')
+ /* If doesn't exist, generate public and private key pair, store in
+ local storage */
+ crypto.subtle.generateKey(
+ { name:'RSA-OAEP',
+ modulusLength: 2048,
+ publicExponent: new Uint8Array([0x01, 0x00, 0x01]),
+ hash: {name: "SHA-256"}
+ },
+ true,
+ ['encrypt', 'decrypt']
+ ).then((keyPair) => {
+ /* TODO: Do we need to store the private key as well? */
+ crypto.subtle.exportKey('jwk', keyPair.publicKey)
+ .then((exportedKey) => {
+ window.localStorage.setItem('publicKey', exportedKey)
+ console.log('public key is' + window.localStorage.getItem('publicKey'))
+ resolve(exportedKey)
+ })
+
+ })
+ }
+ else {
+ resolve(window.localStorage.getItem('publicKey'))
+ }
+ })
+}
+
+function sendClientICE(clientPubKey, hostPubKey, iceCandidate) {
+ console.log('Host: Allocating ice candidate for client')
+ console.log(iceCandidate)
+ iceCandidates.push(JSON.stringify({
+ cmd: "< ice pubKey",
+ ice: iceCandidate,
+ hostPubKey: hostPubKey, /* TODO: do we need to send this? */
+ clientPubKey: clientPubKey,
+ iceState: "a"
+ }))
+}
+
+function handleNewClientConnection(pubKey, sdpOffer) {
+ /* New Client Connection*/
+ hpc = new RTCPeerConnection(conf)
+ console.log('handleNewClientConnections()')
+ console.log(sdpOffer)
+ clients.set(pubKey, hpc)
+ console.log(pubKey)
+ hpc.setRemoteDescription(sdpOffer)
+ .then(() => {
+ hpc.createAnswer().then((answer) => {
+ return hpc.setLocalDescription(answer)
+ })
+ .then(() => {
+
+ hpc.onicecandidate = (event) => {
+ if (event.candidate) {
+ sendClientICE(pubKey, hpk.n, event.candidate)
+ }
+ else {
+ console.log('Host: Finished allocating ICE candidates')
+ }
+ }
+ console.log('Host: Sending answer to Client ')
+ wsock.send(JSON.stringify({
+ cmd: '< sdp pubKey',
+ sdp: hpc.localDescription,
+ hostPubKey: hpk.n,
+ clientPubKey: pubKey
+ }))
+
+ }).catch((err) => {
+ console.log(`error in host answer ${err}`)
+ })
+ }).catch((error) => {
+ console.log(`error in setRemoteDescription ${error}`)
+ })
+ hpc.oniceconnectionstatechange = () => {
+ console.log('iceConnectionState = ' + hpc.iceConnectionState)
+ }
+ hpc.ondatachannel = (evt) => {
+ dataChannel = evt.channel
+ dataChannel.onmessage = (msg) => {
+ let clientMessage = JSON.parse(msg.data)
+ console.log(`client message is ${clientMessage}`)
+ hpc.setRemoteDescription(clientMessage.sdp).then(() => {
+ console.log('should be streaming now')
+ })
+ }
+ dataChannel.onopen = () => {
+ /* If !screenStream, gUM */
+ screenStream.getTracks().forEach( (track) => {
+ hpc.addTrack(track, screenStream)
+ })
+ console.log(hpc.getSenders())
+ /* Create offer */
+ hpc.createOffer().then((offer) => {
+ return hpc.setLocalDescription(offer)
+ }).then( () => {
+ dataChannel.send(JSON.stringify({
+ "cmd": "< screen dataChannel",
+ "sdp": hpc.localDescription,
+ "pubKey": hpc['hpk'].n
+ }))
+ })
+ }
+ }
+ hpc.onnegotiationneeded = () => {
+ console.log('negotiation needed')
+ }
+
+}
+
+function handleNewIceCandidate(msg) {
+ console.log('Host: Adding new ice candidate')
+ const hpc = clients.get(msg.pubKey)
+ let candidate = new RTCIceCandidate(msg.ice)
+ hpc.addIceCandidate(candidate)
+}
+
+function handleIceRequest(msg) {
+ console.log('Host: Handling ice candidate request')
+ console.log(iceCandidates)
+ const hpc = clients.get(msg.pubKey)
+ const iceCandidate = iceCandidates.pop()
+ if (iceCandidate !== undefined) {
+ wsock.send(iceCandidate)
+ } else {
+ if (hpc.iceGatheringState.localeCompare('gathering') === 0) {
+ wsock.send(`{"cmd" : "< ice pubKey", "clientPubKey":"${msg.pubKey}", "iceState": "g"}`)
+ }
+ else if (hpc.iceGatheringState.localeCompare('complete') === 0) {
+ wsock.send(`{"cmd" : "< ice pubKey", "clientPubKey":"${msg.pubKey}", "iceState": "c"}`)
+ }
+
+ }
+
+}
+if ("WebSocket" in window) {
+ document.addEventListener('DOMContentLoaded', (event) => {
+ document.body.innerHTML = '<div>Choose options for client</div> <video autoplay></video>'
+ navigator.mediaDevices.getUserMedia({
+ video : { mediaSource: "screen",
+ width: {max: '1920'},
+ height: {max: '1080'},
+ frameRate: {max: '10'}} })
+ .then(function(mediaStream) {
+ let video = document.querySelector('video')
+ screenStream = mediaStream
+ console.log(mediaStream)
+ video.srcObject = mediaStream
+ console.log('Grabbed media')
+ video.onloadedmetadata = function(e) {
+ console.log(e)
+ video.play()
+ }
+ })
+ .catch(function(err) {
+ document.body.innerHTML = 'Help me help you. Reload the page and allow screen sharing!'
+ console.log(err);
+ }); // always check for errors at the end.
+
+ getPublicKey()
+ .then((hpkVal) => {
+ hpk = hpkVal
+ })
+ wsock = new WebSocket(`${_strapp_protocol}://${window.location.hostname}:${_strapp_port}`)
+ wsock.onopen = () => {
+ console.log(`Strapped to ${_strapp_protocol}://${window.location.hostname}:${_strapp_port}`)
+ }
+
+ wsock.onmessage = (serverMsg) => {
+ /* msg is either offer or ice candidate or ice candidate request*/
+
+ /* What if data null? */
+ console.log(`serverMsg = ${serverMsg.data}`)
+
+ let msg = serverMsg.data.split(' ')
+ let clientID = msg[0]
+ let type = msg[1]
+ let data = JSON.parse(msg.splice(2).join())
+
+ if (clients.has(clientID)) {
+ switch (type) {
+ case 'ice-candidate-submission':
+ handleNewIceCandidate(msg)
+ break
+ case 'ice-candidate-request':
+ handleIceRequest(msg)
+ break
+ case 'client-sdp-offer':
+ //repeatedoffer shouldnt happen here
+ }
+ }
+ else {
+ switch (type) {
+ case 'client-sdp-offer':
+ handleNewClientConnection(clientID, data)
+ break
+ case 'ice-candidate-request':
+ handleIceRequest()
+ break
+ case 'ice-candidate-submission':
+ handleNewIceCandidate
+ break
+ }
+ }
+ }
+
+
+
+ })
+}
+else {
+ document.addEventListener('DOMContentLoaded', () => {
+ document.body.innerHTML = 'Websockets not supported in your browser'
+ })
+}
let dataChannel\r
let screenStream /* TODO: Remove if can access localStreams */\r
let tracks = []\r
-\r
+let hpk\r
\r
/* TODO: duplicate in both client.js and host.jhs */\r
function getPublicKey() {\r
})\r
}\r
\r
+function sendClientICE(clientPubKey, hostPubKey, iceCandidate) {\r
+ console.log('Host: Allocating ice candidate for client')\r
+ console.log(iceCandidate)\r
+ iceCandidates.push(JSON.stringify({\r
+ cmd: "< ice pubKey",\r
+ ice: iceCandidate,\r
+ hostPubKey: hostPubKey, /* TODO: do we need to send this? */\r
+ clientPubKey: clientPubKey,\r
+ iceState: "a"\r
+ }))\r
+}\r
+\r
function handleNewClientConnection(offer) {\r
/* New Client Connection*/\r
hpc = new RTCPeerConnection(conf)\r
//console.log(offer)\r
clients.set(offer.pubKey, hpc)\r
+ console.log(offer.sdp)\r
hpc.setRemoteDescription(offer.sdp)\r
.then(() => {\r
hpc.createAnswer().then((answer) => {\r
return hpc.setLocalDescription(answer)\r
})\r
.then(() => {\r
- getPublicKey().then((hpk) => {\r
- hpc['hpk'] = hpk\r
- hpc.onicecandidate = (event) => {\r
- if (event.candidate) {\r
- console.log('Host: Allocating ice candidate for client')\r
- iceCandidates.push(JSON.stringify({\r
- cmd: "< ice pubKey",\r
- ice: event.candidate,\r
- hostPubKey: hpk.n, /* TODO: do we need to send this? */\r
- clientPubKey: offer.pubKey,\r
- iceState: "a"\r
- }))\r
- }\r
- else {\r
- console.log('Host: Finished sending ICE candidates')\r
- }\r
- }\r
- console.log('Host: Sending answer to Client ')\r
- wsock.send(JSON.stringify({\r
- cmd: '< sdp pubKey',\r
- sdp: hpc.localDescription,\r
- hostPubKey: hpk.n,\r
- clientPubKey: offer.pubKey\r
- }))\r
\r
+ hpc.onicecandidate = (event) => {\r
+ if (event.candidate) {\r
+ sendClientICE(offer.pubKey, hpk.n, event.candidate)\r
+ }\r
+ else {\r
+ console.log('Host: Finished allocating ICE candidates')\r
+ }\r
+ }\r
+ console.log('Host: Sending answer to Client ')\r
+ wsock.send(JSON.stringify({\r
+ cmd: '< sdp pubKey',\r
+ sdp: hpc.localDescription,\r
+ hostPubKey: hpk.n,\r
+ clientPubKey: offer.pubKey\r
+ }))\r
\r
- })\r
}).catch((err) => {\r
console.log(`error in host answer ${err}`)\r
})\r
dataChannel = evt.channel\r
dataChannel.onmessage = (msg) => {\r
let clientMessage = JSON.parse(msg.data)\r
- console.log(clientMessage)\r
+ console.log(`client message is ${clientMessage}`)\r
hpc.setRemoteDescription(clientMessage.sdp).then(() => {\r
console.log('should be streaming now')\r
})\r
}\r
dataChannel.onopen = () => {\r
+ /* If !screenStream, gUM */\r
screenStream.getTracks().forEach( (track) => {\r
hpc.addTrack(track, screenStream)\r
})\r
console.log(err);\r
}); // always check for errors at the end.\r
\r
+ getPublicKey()\r
+ .then((hpkVal) => {\r
+ hpk = hpkVal\r
+ })\r
wsock = new WebSocket(`${_strapp_protocol}://${window.location.hostname}:${_strapp_port}`)\r
wsock.onopen = () => {\r
console.log(`Strapped to ${_strapp_protocol}://${window.location.hostname}:${_strapp_port}`)\r
/* msg is either offer or ice candidate or ice candidate request*/\r
\r
/* What if data null? */\r
+ console.log(`serverMsg = ${serverMsg.data}`)\r
let msg = JSON.parse(serverMsg.data)\r
\r
const clientID = msg.pubKey\r
*/
exports['defaults'] = {
config: '/etc/strapp.conf:~/.strapp/strapp.conf:./strapp.conf',
- 'client-js': './client.js',
- 'host-js': './host.js',
+ 'client-js': './client-test.js',
+ 'host-js': './host-test.js',
tls: true,
'ca-cert': '../certs/cert.pem',
'ca-key': '../certs/key.pem',
*/
validRoutes: /[a-zA-Z][a-zA-Z0-9\-_]*/,
+ /** A map of routes
+ * @prop {Object.Map} routes - all the routes!
+ */
+ routes: {},
+
/** Parameters set on bootup (startHttpServer)
* @prop {string[2]} skelPage - html document split in twain for JS injection
* @prop {string} clientJS - jerverscripps to inject in skelPage for clients
httpdRoot: undefined,
bindJail: undefined,
- /** @func
+ /** @func
* @summary Start main HTTP server
* @desc starts up an HTTP or HTTPS server used for routing
* @arg {Object} conf - object containing configuration properties
if ('httpd' in this)
throw new Error('httpd already running')
if (conf.tls == undefined)
- this.httpd = require('http').createServer(this.httpdListener)
+ this.httpd = require('http').createServer((req, res) =>
+ this.httpdListener(req, res))
else if (!('keyFile' in conf.tls) || !('certFile' in conf.tls))
throw new Error('HTTPS requires a valid key and cert')
else
}
})
this.httpd =
- require('https').createServer(this.httpsOpts, this.httpdListener)
+ require('https').createServer(this.httpsOpts, (request,response) =>
+ this.httpdListener(request,response))
+ .listen(conf.port)
})
- this.httpd.listen(conf.port)
- this.httpdRoot =
- conf.httpdRoot ? require('path').normalize(conf.httpdRoot) : undefined
- while (this.httpdRoot[this.httpdRoot.length - 1] == require('path').sep)
- this.httpdRoot = this.httpdRoot.slice(0,-1)
- this.syncReads(conf.skelFile, conf.clientJS, conf.hostJS)
+ if (conf.httpdRoot) {
+ this.httpdRoot = require('path').normalize(conf.httpdRoot)
+ while (this.httpdRoot[this.httpdRoot.length - 1] == require('path').sep)
+ this.httpdRoot = this.httpdRoot.slice(0,-1)
+ }
+ this.syncReads([conf.skelFile, conf.clientJS, conf.hostJS])
.then((results) => {
this.skelPage = results[conf.skelFile].split('<!--STRAPP_SRC-->')
this.clientJS = results[conf.clientJS]
.catch((err) => {
console.log(err)
})
- console.log(`HTTP${(conf.tls == undefined) ? 'S' : ''} ` +
- `Server Started on port ${conf.port}${this.httpdRoot ?
+ console.log(`HTTP${(conf.tls == undefined) ? '' : 'S'} ` +
+ `Server Started on port ${conf.port}${this.httpdRoot ?
`, serving files from ${this.httpdRoot}`:''}`)
},
&& this.bindJail != path)
throw new Error(`${routeName}:${path} jailed to ${this.bindJail}`)
if (require('fs').existsSync(path)) {
- this.route[routeName] = {
+ this.routes[routeName] = {
bind: {
path: path,
dir: require('fs').lstatSync(path).isDirectory()
throw new Error(`${path} not found, ${routeName} not bound`)
},
- /** @func
+ /** @func
* @summary Router
* @desc listens for http client requests and services routes/files
* @arg {http.ClientRequest} request
dlog(`Received request ${request.method} ${request.url}`)
let htArgv = request.url.slice(1).split('?')
const routeName = htArgv[0].split('/')[0]
- const route = this.routes[routeName]
+ let route = this.routes[routeName]
+ console.log(`route is ${route}`)
/* If the route exists, check if we are a returning host or a new client */
if (route) {
if (route.bind) {
this.serveBind(response, route.bind, htArgv)
}
//TODO: auth better than this (ip spoofing is easy)
- else if (route.host == (request.headers['x-forwarded-for'] ||
+ // but this will require a more involved host-creation process
+ // that isn't just "give you a route if it's available" on visit
+ /* else if (route.origin == (request.headers['x-forwarded-for'] ||
request.connection.remoteAddress))
this.serveHost(response, route, htArgv)
- else
+ else */
+ else {
this.serveClient(request, response, route)
+ }
}
/* If it's a valid routename that doesn't exist, make this client a host */
else if (this.validRoutes.test(routeName)) {
- route = this.createRoute(routeName, this.httpsOpts)
- this.serveHost(response, route, htArgv)
+ this.routes[routeName] = true
+ require('get-port')()
+ .then((port) => {
+ this.createHost(routeName, htArgv, port, request, response)
+ })
+ .catch((err) => {
+ delete this.routes[routeName]
+ console.log(err)
+ })
}
/* Try servicing files if we have a root directory for it */
else if (this.httpdRoot) {
this.serveFile(response, bind.path)
},
- /** @func
+ /** @func
* @summary Serve a route to an http client
* @desc routes may be bound to the filesystem, or to an outgoing host
* @arg {http.ClientRequest} request - request from the client
case 'client-sdp-offer':
let data = ''
if (pubKey) {
+ let data = request.headers['x-strapp-offer']
route.pendingResponses.addResponse(pubKey, response)
- request.on('data', (chunk) => data += chunk)
- request.on('end', () => route.socket.send(`${pubKey} ${type} ${data}`))
+ route.socket.send(`${pubKey} ${type} ${data}`)
}
else {
response.writeHead(401)
}
},
- /** @func
- * @summary Serve a route to an authorized http host
- * @desc services host application to the client, establishing a socket
- * @arg {http.ServerResponse} response - response object to use
- * @arg {Object} route - the route that belongs to this host
- * @arg {string[]} argv - vector of arguments sent to the host
- */
- serveHost: function (response, route, argv) {
- response.writeHead(200, { 'Content-Type': 'text/html' })
- response.write(`${this.skelPage[0]}` +
- `\tconst _strapp_port = ${route.port}\n` +
- `\tconst _strapp_protocol = ` +
- `${this.httpsOpts ? 'wss' : 'ws'}'\n` +
- `${this.hostJS}\n${this.skelPage[1]}`)
- response.end()
- },
-
- /** @func
- * @summary Create a new route
+ /** @func
+ * @summary Create a new route for a host
* @desc makes a new route for the given route name
* @arg {string} routeName - name of the new route
- * @arg {string} host - Origin address from the request that made this
+ * @arg {string[]} argv - Origin address from the request that made this
* route (for security verification on the socket)
- * @arg {Object} [httpsOpts] - key and cert for tls
- * @returns {Object} a route object containing host, socket, and servers
+ * @arg {number|string} port - the port to listen on for websocket
+ * @arg {http.ClientRequest} request - host's request
+ * @arg {http.ServerResponse} response - responder
*/
- createRoute: function (routeName, host, httpsOpts) {
- dlog(`Creating ${httpsOpts ? 'TLS ' : ''}route ${routeName} from ${host}`)
- if (routeName in this.routes)
- throw new Error(`route ${routeName} already exists`)
- const httpd = httpsOpts
- ? require('https').createServer(httpsOpts)
+ createHost: function (routeName, argv, port, request, response) {
+ const origin = (request.headers['x-forwarded-for'] ||
+ request.connection.remoteAddress)
+ dlog(`New ${this.httpsOpts?'TLS ':''}route ${routeName}:${port}=>${origin}`)
+ const httpd = this.httpsOpts
+ ? require('https').createServer(this.httpsOpts)
: require('http').createServer()
const route = {
pendingResponses: new Map([]),
- host: host,
+ origin: origin,
httpd: httpd,
name: routeName,
- port: undefined,
+ port: port,
wsd: undefined,
socket: undefined
}
- require('get-port')().then((port) => {
- route.port = port
- route.httpd.listen(port)
- route.wsd = new require('ws').Server({
- server:route.httpd,
- verifyClient: (info) =>
- info.origin == host && (info.secure || !httpsOpts)
+ route.httpd.listen(port)
+ route.wsd = new (require('ws').Server)({ server: httpd })
+ .on('connection', (socket) => {
+ route.socket = socket
+ socket.on('message', (msg) =>
+ this.hostMessage(msg,route))
})
- route.wsd.on('connection', (socket) =>
- socket.on('message', (msg) =>
- this.hostMessage(msg,route)))
- })
- route.pendingResponses.addResponse = function (key, response) {
+ route.pendingResponses.addResponse = function (key, response_p) {
let responses = this.get(key) || []
- this.set(key, responses.push(response))
+ responses.push(response_p)
+ this.set(key, responses)
}
this.routes[routeName] = route
- return route
+ this.serveHost(response, route, argv)
+ },
+
+ /** @func
+ * @summary Serve a route to an authorized http host
+ * @desc services host application to the client, establishing a socket
+ * @arg {http.ServerResponse} response - response object to use
+ * @arg {Object} route - the route that belongs to this host
+ * @arg {string[]} argv - vector of arguments sent to the host
+ */
+ serveHost: function (response, route, argv) {
+ dlog(`Serving host ${route.origin}`)
+ response.writeHead(200, { 'Content-Type': 'text/html' })
+ response.write(`${this.skelPage[0]}` +
+ `\tconst _strapp_port = ${route.port}\n` +
+ `\tconst _strapp_protocol = ` +
+ `'${this.httpsOpts ? 'wss' : 'ws'}'\n` +
+ `${this.hostJS}\n${this.skelPage[1]}`)
+ response.end()
},
/** @func
switch (command) {
case '^':
if (argv.length < 2) {
- dlog(`Malformed '${command}' command from ${route.host}`)
+ dlog(`Malformed '${command}' command from ${route.origin}`)
route.socket.send(`! "Insufficient arguments" 0 ${message}`)
break
}
case '!':
if (argv.length === 3)
argv[0] += `\nIn message: ${argv[2]}`
- console.log(`Error[${route.host}|${argv[1]}]:${argv[0]}`)
+ console.log(`Error[${route.origin}|${argv[1]}]:${argv[0]}`)
break
default:
route.socket.send(`! "Unknown command '${command}'" 0 ${message}`)
- dlog(`Host ${route.host} send unknown command: ${message}`)
+ dlog(`Host ${route.origin} send unknown command: ${message}`)
break
}
},
- /** @func
+ /** @func
* @summary Serve a file to an http client after a request
* @desc reads files from the system to be distributed to clients, and
* buffers recently accessed files
response.end()
})
},
-
- /** @func
+
+ /** @func
* @summary Synchronize Reading Multiple Files
* @desc reads an array of files into an object, whose keys are the
* input filenames, and values are the data read
* @arg {Object} [readOpts] - options to pass to fs.readFile()
*/
syncReads: (files, readOpts) => new Promise((resolve,reject) => {
- dlog(`syncReads: ${files}`)
+ dlog(`syncing reads from ${files}`)
let count = 0
let results = {}
const read_cb = (fileName) => (err, data) => {
files.forEach((file) =>
require('fs').readFile(file, readOpts, read_cb(file)))
})
-
}
+
+module.exports = exports