fixed null body for get headers

[henge/kiak.git] / host.js

diff --git a/host.js b/host.js
index 45ea63f..dd48d10 100644 (file)
--- a/host.js
+++ b/host.js
@@ -1,22 +1,60 @@
 document.title = "Strapp.io Host"
-const clients = []
+const clients = [] //TODO: Change to Map
 if ("WebSocket" in window) {
-  const wsock = new WebSocket(`${_strapp_protocol}://${window.location.hostname}:${_strapp_port}`)
-  wsock.onopen = () => {
-    console.log(`Strapped to ${_strapp_protocol}://${window.location.hostname}:${_strapp_port}`)
-  }
-  wsock.onmessage = (evt) => {
-    console.log("Incoming connection from " + evt.data)
-    console.log("TODO: Open a socket to this client")
-    wsock.send("Got " + evt.data)
-    clients.push({
-      ip: evt.data,
-      dataChannel: undefined
-    })
-  }
+  document.addEventListener('DOMContentLoaded', (event) => {
+    const wsock = new WebSocket(`${_strapp_protocol}://${window.location.hostname}:${_strapp_port}`)
+    wsock.onopen = () => {
+      console.log(`Strapped to ${_strapp_protocol}://${window.location.hostname}:${_strapp_port}`)
+
+    }
+    wsock.onmessage = (msg) => {
+      /* Message is offer from client */
+      /* TODO: Determine which client ?? */
+      console.log("Incoming connection " + msg)
+
+      /* TODO: State machine to parse offer */
+
+      /* New Client Connection*/
+      hpc = new RTCPeerConnection()
+
+      hpc.createAnswer().then((offer) => {
+        return hpc.setLocalDescription(offer)
+      }).then(() => {
+        return hpc.setRemoteDescription(msg.sdp)
+      }).then(() => {
+        const hpk = getPublicKey()
+        wsock.send({
+          cmd: '< sdp pubKey',
+          sdp: hpc.localDescription,
+          pubKey: hpk
+        })
+        clients.push({
+          hostsdp: hpc.localDescription,
+          clientsdp: hpc.remoteDescription,
+          clientPubKey: msg.pubKey
+        })
+
+      })
+    }
+  })
 }
 else {
   document.addEventListener('DOMContentLoaded', () => {
     document.body.innerHTML = 'Websockets not supported in your browser'
   })
 }
+/* TODO: duplicate in both client.js and host.jhs */
+function getPublicKey() {
+  /* Check local storage for public key */
+  if (window.localStorage.getItem('public-key') === undefined) {
+    /* If doesn't exist, generate public and private key pair, store in
+    local storage */
+    crypto.subtle.generateKey({name:'RSA-OAEP', length: 192}, true, ['encrypt', 'decrypt'])
+      .then((keyPair) => {
+        /* TODO: Do we need to store the private key as well? */
+        window.localStorage.setItem('public-key', keyPair.type.public.toString())
+      })
+  }
+    console.log(window.localStorage.getItem('public-key'))
+    return window.localStorage.getItem('public-key')
+}