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vnc_auto.html
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vnc_auto.html
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<!DOCTYPE html>
<html lang="en">
<head>
<!--
noVNC example: lightweight example using minimal UI and features
This is a self-contained file which doesn't import WebUtil or external CSS.
Copyright (C) 2018 The noVNC Authors
noVNC is licensed under the MPL 2.0 (see LICENSE.txt)
This file is licensed under the 2-Clause BSD license (see LICENSE.txt).
Connect parameters are provided in query string:
http://example.com/?host=HOST&port=PORT&scale=true
-->
<title>Platform9 Console</title>
<meta charset="utf-8">
<style>
body {
margin: 0;
background-color: white; /* PF9: dimgrey; */
height: 100%;
display: flex;
flex-direction: column;
}
html {
height: 100%;
}
#top_bar {
background-color: white; /* PF9: #6e84a3; */
color: black; /* PF9: white */
font: 16px Helvetica; /* PF9: bold 12px */
padding: 6px 5px 4px 5px;
/* border-bottom: 1px outset; PF9 */
}
#status {
text-align: center;
margin-top: 10px; /* PF9 */
}
#sendCtrlAltDelButton {
margin-left: 20px; /* PF9 */
display: inline-block; /* PF9 */
/* position: fixed; */
/* top: 0px; */
/* right: 0px; */
border: 1px solid; /* PF9: outset; */
border-radius: 5px; /* PF9 */
padding: 5px 5px 4px 5px;
cursor: pointer;
}
#screen {
flex: 1; /* fill remaining space */
overflow: hidden;
}
</style>
<!-- Promise polyfill for IE11 -->
<script src="vendor/promise.js"></script>
<!-- ES2015/ES6 modules polyfill -->
<script type="module">
window._noVNC_has_module_support = true;
</script>
<script>
window.addEventListener("load", function() {
if (window._noVNC_has_module_support) return;
const loader = document.createElement("script");
loader.src = "vendor/browser-es-module-loader/dist/" +
"browser-es-module-loader.js";
document.head.appendChild(loader);
});
</script>
<!-- actual script modules -->
<script type="module" crossorigin="anonymous">
// RFB holds the API to connect and communicate with a VNC server
import RFB from './core/rfb.js';
let rfb;
let desktopName;
// When this function is called we have
// successfully connected to a server
function connectedToServer(e) {
status("Connected to " + desktopName);
}
// This function is called when we are disconnected
function disconnectedFromServer(e) {
if (e.detail.clean) {
status("Disconnected");
} else {
status("Something went wrong, connection is closed");
}
}
// When this function is called, the server requires
// credentials to authenticate
function credentialsAreRequired(e) {
const password = prompt("Password Required:");
rfb.sendCredentials({ password: password });
}
// When this function is called we have received
// a desktop name from the server
function updateDesktopName(e) {
desktopName = e.detail.name;
// PF9: use instance name as desktopName
desktopName = readQueryVariable('instance', e.detail.name)
}
// Since most operating systems will catch Ctrl+Alt+Del
// before they get a chance to be intercepted by the browser,
// we provide a way to emulate this key sequence.
function sendCtrlAltDel() {
rfb.sendCtrlAltDel();
return false;
}
// Show a status text in the top bar
function status(text) {
document.getElementById('status').textContent = text;
}
// This function extracts the value of one variable from the
// query string. If the variable isn't defined in the URL
// it returns the default value instead.
function readQueryVariable(name, defaultValue) {
// A URL with a query parameter can look like this:
// https://www.example.com?myqueryparam=myvalue
//
// Note that we use location.href instead of location.search
// because Firefox < 53 has a bug w.r.t location.search
const re = new RegExp('.*[?&]' + name + '=([^&#]*)'),
match = document.location.href.match(re);
if (typeof defaultValue === 'undefined') { defaultValue = null; }
if (match) {
// We have to decode the URL since want the cleartext value
return decodeURIComponent(match[1]);
}
return defaultValue;
}
document.getElementById('sendCtrlAltDelButton')
.onclick = sendCtrlAltDel;
// Read parameters specified in the URL query string
// By default, use the host and port of server that served this file
const host = readQueryVariable('host', window.location.hostname);
let port = readQueryVariable('port', window.location.port);
const password = readQueryVariable('password', '');
const path = readQueryVariable('path', 'websockify');
// | | | | | |
// | | | Connect | | |
// v v v v v v
status("Connecting");
// Build the websocket URL used to connect
let url;
if (window.location.protocol === "https:") {
url = 'wss';
} else {
url = 'ws';
}
url += '://' + host;
if(port) {
url += ':' + port;
}
url += '/' + path;
// Creating a new RFB object will start a new connection
rfb = new RFB(document.getElementById('screen'), url,
{ credentials: { password: password } });
// Add listeners to important events from the RFB module
rfb.addEventListener("connect", connectedToServer);
rfb.addEventListener("disconnect", disconnectedFromServer);
rfb.addEventListener("credentialsrequired", credentialsAreRequired);
rfb.addEventListener("desktopname", updateDesktopName);
// Set parameters that can be changed on an active connection
rfb.viewOnly = readQueryVariable('view_only', false);
rfb.scaleViewport = readQueryVariable('scale', false);
</script>
</head>
<body>
<div id="top_bar">
<div id="status">Loading</div>
<div style="text-align: center; margin: 10px 0px">
<div style='display: inline-block'>
<p>If you see a black screen, click on it and start typing to activate the console.
</p>
</div>
<div id="sendCtrlAltDelButton">Send CtrlAltDel</div>
</div>
</div>
<div id="screen">
<!-- This is where the remote screen will appear -->
</div>
</body>
</html>