mirror of
https://github.com/Ylianst/MeshCentral.git
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First MeshMessenger with WebRTC video support.
This commit is contained in:
Ylian Saint-Hilaire
parent
434aeca917
commit
0ce4c20bf3
@ -1,6 +1,6 @@
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{
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"name": "meshcentral",
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"version": "0.2.4-q",
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"version": "0.2.4-s",
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"keywords": [
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"Remote Management",
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"Intel AMT",
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@ -10,12 +10,13 @@
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<script type="text/javascript" src="scripts/common-0.0.1.js"></script>
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</head>
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<body style="font-family:Arial,Helvetica,sans-serif">
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<div id="xtop" style="position:absolute;left:0;right:0;top:0;height:38px;background-color:#036;color:#c8c8c8">
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<div id="xtop" style="position:absolute;left:0;right:0;top:0;height:38px;background-color:#036;color:#c8c8c8;box-shadow:3px 3px 10px gray">
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<div id="fileButton" class="icon4 topButton" title="Share a file" style="display:none" onclick="fileButtonClick()"></div>
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<div id="camButton" class="icon2 topButton" title="Activate camera & microphone" style="display:none" onclick="camButtonClick()"></div>
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<div id="micButton" class="icon6 topButton" title="Activate microphone" style="display:none" onclick="micButtonClick()"></div>
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<div id="hangupButton" class="icon11 topButton" title="Hang up" style="display:none" onclick="hangUpButtonClick(1)"></div>
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<div style="display:inline-block;width:2px"></div>
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<div style="padding-top:9px;padding-left:6px;font-size:20px;display:inline-block;"><b>MeshMessenger<span id="xtitle"></span></b></div>
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<div style="padding-top:9px;padding-left:6px;font-size:20px;display:inline-block"><b>MeshMessenger<span id="xtitle"></span></b></div>
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</div>
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<div id="xmiddle" style="position:absolute;left:0;right:0;top:38px;bottom:30px">
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<div style="position:absolute;left:0;right:0;top:0;bottom:0;overflow-y:scroll">
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@ -27,37 +28,45 @@
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<input type="button" id="sendButton" value="Send" style="position:absolute;right:110px;width:100px;top:4px;" onclick="xsend(event)" />
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<input type="button" id="clearButton" value="Clear" style="position:absolute;right:5px;width:100px;top:4px;" onclick="displayClear()" />
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</div>
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<div id="localVideo" style="position:absolute;right:24px;top:45px;width:320px;height:260px;background-color:black;border-radius:12px 12px 0px 0px;box-shadow:3px 3px 10px gray;display:none">
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<div style="position:absolute;right:0;left:0;top:0px;height:20px;background-color:gray;text-align:center;border-radius:10px 10px 0px 0px"><div style="padding:3px">Local</div></div>
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<video id="localVideoCanvas" autoplay muted style="position:absolute;top:20px;left:0;width:320px;height:240px;background-color:black"></video>
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<div id="remoteVideo" style="position:absolute;right:24px;top:45px;width:320px;height:calc(240px + 30px);background-color:gray;border-radius:12px 12px 12px 12px;box-shadow:3px 3px 10px gray;display:none">
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<div style="position:absolute;right:0;left:0;top:2.5px;text-align:center">Remote</div>
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<video id="remoteVideoCanvas" autoplay style="position:absolute;top:20px;left:0;width:100%;height:calc(100% - 30px);background-color:black"></video>
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</div>
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<div id="remoteVideo" style="position:absolute;left:6px;top:45px;width:320px;height:260px;background-color:black;border-radius:12px 12px 0px 0px;display:none">
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<div style="position:absolute;right:0;left:0;top:0px;height:20px;background-color:gray;text-align:center;border-radius:10px 10px 0px 0px"><div style="padding:3px">Remote</div></div>
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<video id="remoteVideoCanvas" autoplay style="position:absolute;top:20px;left:0;width:320px;height:240px;background-color:black"></video>
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<div id="localVideo" style="position:absolute;right:24px;top:320px;width:160px;height:calc(120px + 30px);background-color:gray;border-radius:12px 12px 12px 12px;box-shadow:3px 3px 10px gray;display:none">
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<div style="position:absolute;right:0;left:0;top:2.5px;text-align:center">Local</div>
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<video id="localVideoCanvas" autoplay muted style="position:absolute;top:20px;left:0;width:100%;height:calc(100% - 30px);background-color:black"></video>
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</div>
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<script type="text/javascript">
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var userInputFocus = 0;
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var controlsEnabled = true;
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var args = parseUriArgs();
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var socket = null; // Websocket object
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var state = 0; // Connection state. 0 = Disconnected, 1 = Connecting, 2 = Connected.
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var random = Math.random(); // Selected random, larger value initiates WebRTC.
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var webrtc = null; // Main WebRTC object
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var webchannel = null; // WebRTC data channel
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var webrtcconfiguration = null; //{ "iceServers": [ { 'urls': 'stun:stun.services.mozilla.com' }, { 'urls': 'stun:stun.l.google.com:19302' } ] };
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var socket = null; // Websocket object
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var state = 0; // Connection state. 0 = Disconnected, 1 = Connecting, 2 = Connected.
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var random = Math.random(); // Selected random, larger value initiates WebRTC.
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var webrtcSessions = { }; // WebRTC objects: 0 for data, 1 for outbound audio/video, 2 for inbound audio/video
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var webchannel = null; // WebRTC data channel
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var webrtcconfiguration = null; //{ "iceServers": [ { 'urls': 'stun:stun.services.mozilla.com' }, { 'urls': 'stun:stun.l.google.com:19302' } ] };
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var localStream = null;
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var remoteStream = null;
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var senders = null;
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// Set the title
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if (args.title) { QH('xtitle', ' - ' + args.title); document.title = document.title + ' - ' + args.title; }
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// Trap document key presses
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document.onkeypress = function ondockeypress(e) {
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if (controlsEnabled == true) {
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document.onkeyup = function ondockeypress(e) {
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if (state == 2) {
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if ((e.keyCode == 8) && (userInputFocus == 0)) {
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// Backspace
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var outtext = Q('xouttext').value;
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if (outtext.length > 0) { Q('xouttext').value = outtext.substring(0, outtext.length - 1); }
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} else if (e.keyCode == 13) {
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}
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}
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if (userInputFocus == 0) { haltEvent(e); return false; }
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}
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// Trap document key presses
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document.onkeypress = function ondockeypress(e) {
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if (state == 2) {
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if (e.keyCode == 13) {
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// Return
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xsend(e);
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} else {
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@ -77,12 +86,17 @@
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Q('xmsg').scrollTop = Q('xmsg').scrollHeight;
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}
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function displayLocalVideo(active) { QV('localVideo', active); }
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function displayRemoteVideo(active) { QV('remoteVideo', active); }
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function displayLocalVideo(active) { QV('localVideo', active); adjustVideoWindows(); }
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function displayRemoteVideo(active) { QV('remoteVideo', active); adjustVideoWindows(); }
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function adjustVideoWindows() {
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//var lv = (QS('localVideo')['display'] != 'none');
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var rv = (QS('remoteVideo')['display'] != 'none');
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QS('localVideo')['top'] = rv ? '320px' : '45px';
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}
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// Display a message from the remote user
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function displayRemote(msg) {
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QA('xmsg', '<div style="clear:both"><div style="background-color:#00cc99;color:black;border-radius:5px;padding:5px;float:left;margin-bottom:5px;margin-right:20px">' + msg + '</div><div></div></div>');
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QA('xmsg', '<div style="clear:both"><div class="remoteBubble">' + msg + '</div><div></div></div>');
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Q('xmsg').scrollTop = Q('xmsg').scrollHeight;
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}
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@ -91,51 +105,84 @@
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var outtext = Q('xouttext').value;
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if (outtext.length > 0) {
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Q('xouttext').value = '';
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QA('xmsg', '<div style="clear:both"><div style="background-color:#0099ff;color:black;border-radius:5px;padding:5px;float:right;margin-bottom:5px;margin-left:20px">' + outtext + '</div><div></div></div>');
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QA('xmsg', '<div style="clear:both"><div class="localBubble">' + outtext + '</div><div></div></div>');
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Q('xmsg').scrollTop = Q('xmsg').scrollHeight;
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send({ action: 'chat', msg: outtext });
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}
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}
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// Enable user controls
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function enableControls(lock, webrtc) { controlsEnabled = lock; QE('sendButton', lock); QE('clearButton', lock); QE('xouttext', lock); /*QV('fileButton', lock);*/ QV('camButton', lock & webrtc); QV('micButton', lock & webrtc); }
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function haltEvent(e) { if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
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function parseUriArgs() { var name, r = {}, parsedUri = window.document.location.href.split(/[\?&|\=]/); parsedUri.splice(0, 1); for (x in parsedUri) { switch (x % 2) { case 0: { name = parsedUri[x]; break; } case 1: { r[name] = parsedUri[x]; var x = parseInt(r[name]); if (x == r[name]) { r[name] = x; } break; } } } return r; }
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// Update user controls
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function updateControls() {
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QE('sendButton', state == 2);
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QE('clearButton', state == 2);
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QE('xouttext', state == 2);
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QV('camButton', webchannel && webchannel.ok && !localStream);
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QV('micButton', webchannel && webchannel.ok && !localStream);
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QV('hangupButton', webchannel && webchannel.ok && localStream);
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}
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// This is the WebRTC setup
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function startWebRTC(description) {
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function startWebRTC(id, startDataChannel) {
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// Setup the WebRTC object
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if (webrtc == null) {
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if (typeof RTCPeerConnection !== 'undefined') { webrtc = new RTCPeerConnection(webrtcconfiguration); }
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else if (typeof webkitRTCPeerConnection !== 'undefined') { webrtc = new webkitRTCPeerConnection(webrtcconfiguration); }
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if (webrtc == null) return;
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webrtc.onicecandidate = function (e) { try { if (e.candidate != null) { sendws({ action: 'webRtcIce', ice: e.candidate }); } } catch (ex) { } }
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webrtc.oniceconnectionstatechange = function () { if (webrtc && webrtc.iceConnectionState == 'failed') { closeWebRTC(); } }
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webrtc.ondatachannel = function (ev) {
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webchannel = ev.channel;
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webchannel.onmessage = function (event) { processMessage(event.data, 2); };
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webchannel.onopen = function () { webchannel.ok = true; enableControls(true, true); sendws({ action: 'rtcSwitch', v: 0 }); };
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webchannel.onclose = function (event) { if (webchannel && webchannel.ok) { disconnect(); } else { closeWebRTC(); } }
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}
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var webrtc;
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if (typeof RTCPeerConnection !== 'undefined') { webrtc = new RTCPeerConnection(webrtcconfiguration); }
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else if (typeof webkitRTCPeerConnection !== 'undefined') { webrtc = new webkitRTCPeerConnection(webrtcconfiguration); }
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webrtc.id = id;
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webrtc.onicecandidate = function (e) { try { if (e.candidate != null) { sendws({ action: 'webRtcIce', ice: e.candidate, id: this.id }); } } catch (ex) { } }
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webrtc.oniceconnectionstatechange = function () { if (webrtc && webrtc.iceConnectionState == 'failed') { hangUpButtonClick(webrtc.id); } }
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webrtc.ondatachannel = function (ev) {
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webchannel = ev.channel;
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webchannel.onmessage = function (event) { processMessage(event.data, 2); };
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webchannel.onopen = function () { webchannel.ok = true; updateControls(); sendws({ action: 'rtcSwitch', v: 0 }); };
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webchannel.onclose = function (event) { if (webchannel && webchannel.ok) { disconnect(); } else { hangUpButtonClick(0); } }
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}
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webrtc.onnegotiationneeded = function (event) {
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if (webrtc.holdTimer != null) return;
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webrtc.holdTimer = setTimeout(function () { // This time is needed to keep Chrome from being to excited. Wait until we add all tracks before kicking this off.
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//console.log('onnegotiationneeded', id);
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webrtc.holdTimer = null;
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webrtc.createOffer(function (offer) { webrtc.setLocalDescription(offer, function () { sendws({ action: 'webRtcSdp', sdp: offer, id: id }); }, function () { hangUpButtonClick(id); }); }, function () { hangUpButtonClick(id); });
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}, 20);
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}
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webrtc.ontrack = function (event) {
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//console.log('ontrack', id);
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var video = Q('remoteVideoCanvas');
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video.srcObject = remoteStream = event.streams[0];
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video.onloadedmetadata = function (e) { video.play(); };
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displayRemoteVideo(true);
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}
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//webrtc.onremovetrack = function (event) { console.log('onremovetrack'); }
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//webrtc.onicegatheringstatechange = function (event) { console.log('onicegatheringstatechange', event); }
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//webrtc.onsignalingstatechange = function (event) { console.log('onsignalingstatechange', event); }
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// Initiate the WebRTC offer or handle the offer from the peer.
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if (description == null) {
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if (startDataChannel == true) {
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webchannel = webrtc.createDataChannel("DataChannel", {}); // { ordered: false, maxRetransmits: 2 }
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webchannel.onmessage = function (event) { processMessage(event.data, 2); };
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webchannel.onopen = function () { webchannel.ok = true; enableControls(true, true); sendws({ action: 'rtcSwitch', v: 0 }); };
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webchannel.onclose = function (event) { if (webchannel && webchannel.ok) { disconnect(); } else { closeWebRTC(); } }
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webrtc.createOffer(function (offer) {
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webrtc.setLocalDescription(offer, function () { try { sendws({ action: 'webRtcSdp', sdp: offer }); } catch (ex) { } }, closeWebRTC);
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}, closeWebRTC, { mandatory: { OfferToReceiveAudio: false, OfferToReceiveVideo: false } });
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} else {
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webchannel.onopen = function () { webchannel.ok = true; updateControls(); sendws({ action: 'rtcSwitch', v: 0 }); };
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webchannel.onclose = function (event) { if (webchannel && webchannel.ok) { disconnect(); } else { hangUpButtonClick(0); } }
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}
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webrtcSessions[id] = webrtc;
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return webrtc;
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}
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function webRtcHandleOffer(id, description) {
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//console.log('webRtcHandleOffer', description.sdp.length);
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var webrtc = webrtcSessions[id];
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if (webrtc) {
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webrtc.setRemoteDescription(new RTCSessionDescription(description), function () {
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if (description.type == 'offer') {
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webrtc.createAnswer(function (answer) {
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webrtc.setLocalDescription(answer, function () { try { sendws({ action: 'webRtcSdp', sdp: answer }); } catch (ex) { } }, closeWebRTC);
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}, closeWebRTC);
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webrtc.setLocalDescription(answer, function (a, b) {
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try { sendws({ action: 'webRtcSdp', sdp: answer, id: id }); } catch (ex) { }
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}, function () { hangUpButtonClick(id); });
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}, function () { hangUpButtonClick(id); });
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}
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}, closeWebRTC);
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}, function () { hangUpButtonClick(id); });
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}
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}
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@ -144,21 +191,15 @@
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if (webchannel && webchannel.ok) { sendws({ action: 'rtcSwitch', v: 1 }); webchannel.xoutBuffer = []; }
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}
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// Close the WebRTC connection, should be called if a problem occurs during WebRTC setup.
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function closeWebRTC() {
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if (webchannel != null) { try { webchannel.close(); } catch (e) { } webchannel = null; }
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if (webrtc != null) { try { webrtc.close(); } catch (e) { } webrtc = null; }
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}
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// Disconnect everything
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function disconnect() {
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enableControls(false);
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closeWebRTC();
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displayLocalVideo(false);
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displayRemoteVideo(false);
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if (socket != null) { socket.close(); socket = null; }
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if (state > 0) { displayControl('Connection closed.'); }
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if (state > 1) { setTimeout(start, 500); }
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hangUpButtonClick(0, true); // Data channel
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hangUpButtonClick(1, true); // Local audio/video
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hangUpButtonClick(2, true); // Remote audio/video
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if (socket != null) { socket.close(); socket = null; }
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updateControls();
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state = 0;
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}
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@ -177,15 +218,20 @@
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if (socket != null) { socket.send(data); }
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}
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// WebRTC id switcher (0 -> 0, 1 -> 2, 2 -> 1)
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function webRtcIdSwitch(id) { if (id == 0) { return 0; } return 3 - id; }
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// Process incoming messages
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function processMessage(data, transport) {
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if (typeof data == 'string') {
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try { data = JSON.parse(data); } catch (ex) { console.log('Unable to parse', data); return; }
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//console.log(data);
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switch (data.action) {
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case 'chat': { displayRemote(data.msg); break; } // Incoming chat message.
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case 'random': { if (random > data.random) { startWebRTC(); } break; } // If we have a larger random value, we start WebRTC.
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case 'webRtcSdp': { startWebRTC(data.sdp); break; } // Remote WebRTC offer or answer.
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case 'webRtcIce': { if (webrtc) { webrtc.addIceCandidate(new RTCIceCandidate(data.ice)); } break; } // Remote ICE candidate
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case 'random': { if (random > data.random) { startWebRTC(0, true); } break; } // If we have a larger random value, we start WebRTC.
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case 'webRtcSdp': { if (!webrtcSessions[webRtcIdSwitch(data.id)]) { startWebRTC(webRtcIdSwitch(data.id), false); } webRtcHandleOffer(webRtcIdSwitch(data.id), data.sdp); break; } // Remote WebRTC offer or answer.
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case 'webRtcIce': { var webrtc = webrtcSessions[webRtcIdSwitch(data.id)]; if (webrtc) { try { webrtc.addIceCandidate(new RTCIceCandidate(data.ice)); } catch (ex) { } } break; } // Remote ICE candidate
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case 'videoStop': { hangUpButtonClick(webRtcIdSwitch(data.id), true); break; }
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case 'rtcSwitch': { // WebRTC switch over commands.
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switch (data.v) {
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case 0: { performWebRtcSwitch(); break; } // Other side is ready for switch over to WebRTC
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@ -208,60 +254,95 @@
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// Camera button
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function camButtonClick() {
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if (localStream == null) { startLocalStream({ video: true, audio: true }); } else { stopLocalStream(); }
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if (localStream == null) { startLocalStream({ video: true, audio: true }); }
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}
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// Microphone
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function micButtonClick() {
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if (localStream == null) { startLocalStream({ video: false, audio: true }); } else { stopLocalStream(); }
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if (localStream == null) { startLocalStream({ video: false, audio: true }); }
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}
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function hangUpButtonClick(id, fromRemote) {
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//console.log('hangUpButtonClick', id);
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var localVideo = Q('localVideoCanvas');
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var remoteVideo = Q('remoteVideoCanvas');
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var webrtc = webrtcSessions[1];
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if ((id == 0) && (webchannel != null)) { try { webchannel.close(); } catch (e) { } webchannel = null; }
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if (webrtc) {
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webrtc.ontrack = null;
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webrtc.onremovetrack = null;
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webrtc.onremovestream = null;
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webrtc.onnicecandidate = null;
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webrtc.oniceconnectionstatechange = null;
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webrtc.onsignalingstatechange = null;
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webrtc.onicegatheringstatechange = null;
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webrtc.onnotificationneeded = null;
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|
||||
if ((id == 1) && localVideo.srcObject) { localVideo.srcObject.getTracks().forEach(track => track.stop()); }
|
||||
if ((id == 2) && remoteVideo.srcObject) { remoteVideo.srcObject.getTracks().forEach(track => track.stop()); }
|
||||
|
||||
webrtc.close();
|
||||
delete webrtcSessions[id];
|
||||
}
|
||||
|
||||
if (id == 1) {
|
||||
localVideo.removeAttribute("src");
|
||||
localVideo.removeAttribute("srcObject");
|
||||
if (localStream != null) { localStream = null; }
|
||||
displayLocalVideo(false);
|
||||
} else if (id == 2) {
|
||||
remoteVideo.removeAttribute("src");
|
||||
remoteVideo.removeAttribute("srcObject");
|
||||
displayRemoteVideo(false);
|
||||
}
|
||||
|
||||
if (fromRemote != true) { send({ action: 'videoStop', id: id }); }
|
||||
updateControls();
|
||||
}
|
||||
|
||||
// Setup local audio/video
|
||||
function startLocalStream(constraints) {
|
||||
if (localStream != null) return;
|
||||
if ((localStream != null) || (webrtcSessions[1] != null)) return;
|
||||
if (navigator.mediaDevices.getUserMedia) {
|
||||
localStream = 1;
|
||||
updateControls();
|
||||
navigator.mediaDevices.getUserMedia(constraints)
|
||||
.then(function (stream) {
|
||||
localStream = stream;
|
||||
if (constraints.video == true) {
|
||||
var video = Q('localVideoCanvas');
|
||||
var video = Q('localVideoCanvas'), tracks = localStream.getTracks(), webrtc = startWebRTC(1);
|
||||
video.srcObject = stream;
|
||||
video.onloadedmetadata = function (e) { video.play(); };
|
||||
displayLocalVideo(true);
|
||||
for (var i in tracks) { webrtc.addTrack(tracks[i], localStream); }
|
||||
}
|
||||
})
|
||||
.catch(function (err) {
|
||||
console.log('getUserMedia error');
|
||||
localStream = null;
|
||||
displayControl(err.message + '.');
|
||||
hangUpButtonClick(1);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// Stop local audio/video
|
||||
function stopLocalStream() {
|
||||
if ((localStream != null) && (localStream != 1)) {
|
||||
localStream.getTracks().forEach(track => track.stop());
|
||||
localStream = null;
|
||||
displayLocalVideo(false);
|
||||
}
|
||||
}
|
||||
|
||||
// This is the main start
|
||||
function start() {
|
||||
// Get started
|
||||
enableControls(false);
|
||||
updateControls();
|
||||
if ((typeof args.id == 'string') && (args.id.length > 0)) {
|
||||
socket = new WebSocket(window.location.protocol.replace("http", "ws") + "//" + window.location.host + window.location.pathname.substring(0, window.location.pathname.lastIndexOf('/')) + '/meshrelay.ashx?id=' + args.id);
|
||||
socket.onopen = function () { state = 1; displayControl('Waiting for other user...'); }
|
||||
socket.onerror = function (e) { console.error(e); }
|
||||
socket.onclose = function () { disconnect(); }
|
||||
socket.onmessage = function (msg) {
|
||||
if ((state < 2) && (typeof msg.data == 'string')) {
|
||||
enableControls(true);
|
||||
closeWebRTC();
|
||||
if ((state < 2) && (typeof msg.data == 'string') && (msg.data == 'c')) {
|
||||
hangUpButtonClick(0);
|
||||
hangUpButtonClick(1);
|
||||
hangUpButtonClick(2);
|
||||
displayControl('Connected.');
|
||||
state = 2;
|
||||
updateControls();
|
||||
sendws({ action: 'random', random: random }); // Send a random number. Higher number starts the WebRTC session.
|
||||
return;
|
||||
}
|
||||
|
||||
@ -12,6 +12,29 @@
|
||||
background-color: lightgray;
|
||||
}
|
||||
|
||||
|
||||
.remoteBubble {
|
||||
background-color: #00cc99;
|
||||
color: black;
|
||||
border-radius: 5px;
|
||||
padding: 5px;
|
||||
float: left;
|
||||
margin-bottom: 5px;
|
||||
margin-right: 20px;
|
||||
box-shadow:3px 3px 10px gray;
|
||||
}
|
||||
|
||||
.localBubble {
|
||||
background-color: #0099ff;
|
||||
color: black;
|
||||
border-radius: 5px;
|
||||
padding: 5px;
|
||||
float: right;
|
||||
margin-bottom: 5px;
|
||||
margin-left: 20px;
|
||||
box-shadow:3px 3px 10px gray;
|
||||
}
|
||||
|
||||
.icon1 {
|
||||
background: url(../images/messenger32.png) 0px 0px;
|
||||
background-color: gray;
|
||||
@ -60,4 +83,9 @@
|
||||
.icon10 {
|
||||
background: url(../images/messenger32.png) -288px 0px;
|
||||
background-color: gray;
|
||||
}
|
||||
}
|
||||
|
||||
.icon11 {
|
||||
background: url(../images/messenger32.png) -320px 0px;
|
||||
background-color: gray;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user