- const body = document.createElement('body')\r
- const root = document.createElement('div')\r
- document.title = "Strapp.io Client"\r
- const conf = {"iceServers": [{ "urls": "stun:stun.1.google.com:19302" }] }\r
- \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
- if (!window.localStorage.getItem('public-key')) {\r
- /* If doesn't exist, generate public and private key pair, store in\r
- local storage */\r
- crypto.subtle.generateKey(\r
- { name:'RSA-OAEP',\r
- modulusLength: 2048,\r
- publicExponent: new Uint8Array([0x01, 0x00, 0x01]),\r
- hash: {name: "SHA-256"}\r
- },\r
- true,\r
- ['encrypt', 'decrypt']\r
- ).then((keyPair) => {\r
- /* TODO: Do we need to store the private key as well? */\r
- crypto.subtle.exportKey('jwk', keyPair.publicKey)\r
- .then((exportedKey) => {\r
- window.localStorage.setItem('publicKey', exportedKey)\r
- console.log('public key is' + window.localStorage.getItem('publicKey'))\r
- resolve(exportedKey)\r
- })\r
- \r
- })\r
- }\r
- else {\r
- resolve(window.localStorage.getItem('publicKey'))\r
- }\r
- })\r
- \r
- }\r
- \r
- function sendHost(url, data) {\r
- const request = new XMLHttpRequest()\r
- request.open('POST', url, true)\r
- request.setRequestHeader('Content-Type', 'application/json' )\r
- request.setRequestHeader('X-Strapp-Type', 'ice-candidate-submission')\r
- request.send(data)\r
- }\r
- \r
- /* Poll the server. Send get request, wait for timeout, send another request.\r
- Do this until...? Can be used for either reconnecting or waiting for answer*/\r
- function requestHostAnswer(url, data) {\r
- return new Promise((resolve, reject) => {\r
- const request = new XMLHttpRequest()\r
- request.open('GET', url, true)\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-Strapp-Pubkey', data.pubKey)\r
- request.setRequestHeader('X-Strapp-Offer', JSON.stringify(data.sdp))\r
- request.onreadystatechange = () => {\r
- if (request.status === 200) {\r
- if(request.readyState === 4) {\r
- console.log('Client: Recieved Answer from Host')\r
- console.log(request)\r
- resolve(request.response)\r
- }\r
- }\r
- else if (request.status === 504) {\r
- console.log('timed out, resending')\r
- resolve(requestHostAnswer(url, data))\r
- }\r
- else {\r
- reject('server unhandled response of status ' + request.status)\r
- }\r
- }\r
- request.send()\r
- })\r
- }\r
- \r
- /* Poll server for ice candidates until ice is complete */\r
- function requestHostICE(cpc, url, pubKey) {\r
- let intervalID = window.setInterval(() => {\r
- if (cpc.iceConnectionState.localeCompare('connected') !== 0\r
- && cpc.iceConnectionState.localeCompare('completed') !== 0) {\r
- console.log('Client: Polling server begin for intervalID = ' + intervalID)\r
- console.log('Client: Requesting ICE Candidates from server')\r
- const request = new XMLHttpRequest()\r
- request.open('GET', url, true)\r
- request.setRequestHeader('Content-Type', 'application/json' )\r
- request.setRequestHeader('X-Strapp-Type', 'ice-candidate-request')\r
- request.setRequestHeader('X-client-pubkey', pubKey)\r
- request.onreadystatechange = () => {\r
- if (request.status === 200) {\r
- if(request.readyState === 4) {\r
- console.log('Client: Recieved ICE response from Host')\r
- let response = JSON.parse(request.response)\r
- switch(response['iceState']) {\r
- case "a":\r
- cpc.addIceCandidate(new RTCIceCandidate(response.ice))\r
- break\r
- case "g": /* Gathering so let interval keep polling */\r
- break\r
- case "c": /* host iceState == Complete, stop bugging it */\r
- clearInterval(intervalID)\r
- clearTimeout()\r
- break\r
- default:\r
- console.log('Unhandled iceState in requestHostICE()' + response['iceState'])\r
- break\r
- }\r
- }\r
- }\r
- else {\r
- console.log('server unhandled response of status ' + request.status)\r
- clearInterval(intervalID)\r
- }\r
- }\r
- request.send()\r
- }\r
- else {\r
- clearTimeout()\r
- clearInterval(intervalID)\r
- }\r
- }, 5000)\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
- cpc.oniceconnectionstatechange = () => {\r
- console.log('iceConnectionState = ' + cpc.iceConnectionState)\r
- }\r
- \r
- cpc.onnegotiationneeded = () => {\r
- console.log('negotiation needed!')\r
- cpc.createOffer().then((offer) => {\r
- return cpc.setLocalDescription(offer)\r
- })\r
- .then(() => {\r
- console.log('Client: Sending offer to host')\r
- let offer = {\r
- cmd: '> sdp pubKey',\r
- sdp: cpc.localDescription,\r
- pubKey: cpk.n\r
- }\r
- console.log(offer)\r
- return requestHostAnswer(window.location, offer)\r
- })\r
- .then((serverResponse) => {\r
- const answer = JSON.parse(serverResponse)\r
- console.log('Client: Polling for ICE candidates')\r
- requestHostICE(cpc, window.location, cpk.n)\r
- cpc.setRemoteDescription(answer.sdp)\r
- cpc.onicecandidate = (event) => {\r
- if (event.candidate) {\r
- console.log('Client: Sending ice candidate to host')\r
- sendHost(window.location, JSON.stringify({\r
- cmd: '> ice pubkey',\r
- ice: event.candidate,\r
- pubKey: cpk.n\r
- }))\r
- }\r
- else {\r
- console.log('Client: No more Ice Candidates to send')\r
- }\r
- }\r
- \r
- \r
- }).catch( (err) => {\r
- console.log('error in sdp handshake: ' + err)\r
- })\r
- }\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
- let remoteRTPReceivers = cpc.getReceivers()\r
- let hostScreen\r
- let video = document.querySelector('video')\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
- video.srcObject = hostScreen\r
- }\r
- console.log(hostScreen.getVideoTracks())\r
- console.log(video.srcObject)\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
- }).then(() => {\r
- dataChannel.send(JSON.stringify({\r
- "cmd": "> screen dataChannel",\r
- "sdp": cpc.localDescription\r
- }))\r
- })\r
- })\r
- \r
- \r
- }\r
- dataChannel.onopen = () => {\r
- document.body.innerHTML = (`<div><button> Connection with host established! </button></div> <video controls></video>`)\r
- }\r
- \r
- })\r
- document.addEventListener('DOMContentLoaded', () => {\r
- \r
- document.body.innerHTML = `<button> Setting up connection with host </button>`\r
- \r
- });\r
+ 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>`
+
+ });
++>>>>>>> 2fa4d84ec6b04eec92a8a1e76f8b33b2a04f3c58
projects / henge / kiak.git / commitdiff