f69d55c02f
This space that was added here was added to the parsed value of the
query variable. This broke any comparisons with the value, for example
"myvar=true" resulted in a value of "true ".
This was broken by f796b05e42
The commit also adds unit tests for webutil.getConfigVar() that will
detect problems like this in the future.
190 lines
6.2 KiB
HTML
190 lines
6.2 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<!--
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noVNC example: lightweight example using minimal UI and features
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This is a self-contained file which doesn't import WebUtil or external CSS.
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Copyright (C) 2019 The noVNC Authors
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noVNC is licensed under the MPL 2.0 (see LICENSE.txt)
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This file is licensed under the 2-Clause BSD license (see LICENSE.txt).
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Connect parameters are provided in query string:
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http://example.com/?host=HOST&port=PORT&scale=true
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-->
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<title>noVNC</title>
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<meta charset="utf-8">
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<style>
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body {
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margin: 0;
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background-color: dimgrey;
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height: 100%;
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display: flex;
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flex-direction: column;
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}
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html {
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height: 100%;
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}
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#top_bar {
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background-color: #6e84a3;
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color: white;
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font: bold 12px Helvetica;
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padding: 6px 5px 4px 5px;
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border-bottom: 1px outset;
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}
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#status {
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text-align: center;
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}
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#sendCtrlAltDelButton {
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position: fixed;
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top: 0px;
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right: 0px;
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border: 1px outset;
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padding: 5px 5px 4px 5px;
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cursor: pointer;
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}
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#screen {
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flex: 1; /* fill remaining space */
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overflow: hidden;
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}
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</style>
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<script type="module" crossorigin="anonymous">
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// RFB holds the API to connect and communicate with a VNC server
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import RFB from './core/rfb.js';
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let rfb;
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let desktopName;
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// When this function is called we have
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// successfully connected to a server
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function connectedToServer(e) {
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status("Connected to " + desktopName);
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}
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// This function is called when we are disconnected
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function disconnectedFromServer(e) {
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if (e.detail.clean) {
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status("Disconnected");
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} else {
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status("Something went wrong, connection is closed");
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}
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}
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// When this function is called, the server requires
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// credentials to authenticate
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function credentialsAreRequired(e) {
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const password = prompt("Password Required:");
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rfb.sendCredentials({ password: password });
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}
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// When this function is called we have received
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// a desktop name from the server
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function updateDesktopName(e) {
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desktopName = e.detail.name;
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}
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// Since most operating systems will catch Ctrl+Alt+Del
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// before they get a chance to be intercepted by the browser,
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// we provide a way to emulate this key sequence.
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function sendCtrlAltDel() {
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rfb.sendCtrlAltDel();
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return false;
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}
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// Show a status text in the top bar
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function status(text) {
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document.getElementById('status').textContent = text;
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}
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// This function extracts the value of one variable from the
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// query string. If the variable isn't defined in the URL
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// it returns the default value instead.
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function readQueryVariable(name, defaultValue) {
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// A URL with a query parameter can look like this (But will most probably get logged on the http server):
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// https://www.example.com?myqueryparam=myvalue
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//
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// For privacy (Using a hastag #, the parameters will not be sent to the server)
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// the url can be requested in the following way:
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// https://www.example.com#myqueryparam=myvalue&password=secreatvalue
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//
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// Even Mixing public and non public parameters will work:
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// https://www.example.com?nonsecretparam=example.com#password=secreatvalue
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//
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// Note that we use location.href instead of location.search
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// because Firefox < 53 has a bug w.r.t location.search
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const re = new RegExp('.*[?&]' + name + '=([^&#]*)'),
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match = ''.concat(document.location.href, window.location.hash).match(re);
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if (match) {
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// We have to decode the URL since want the cleartext value
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return decodeURIComponent(match[1]);
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}
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return defaultValue;
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}
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document.getElementById('sendCtrlAltDelButton')
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.onclick = sendCtrlAltDel;
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// Read parameters specified in the URL query string
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// By default, use the host and port of server that served this file
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const host = readQueryVariable('host', window.location.hostname);
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let port = readQueryVariable('port', window.location.port);
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const password = readQueryVariable('password');
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const path = readQueryVariable('path', 'websockify');
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// | | | | | |
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// | | | Connect | | |
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// v v v v v v
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status("Connecting");
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// Build the websocket URL used to connect
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let url;
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if (window.location.protocol === "https:") {
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url = 'wss';
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} else {
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url = 'ws';
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}
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url += '://' + host;
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if(port) {
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url += ':' + port;
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}
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url += '/' + path;
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// Creating a new RFB object will start a new connection
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rfb = new RFB(document.getElementById('screen'), url,
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{ credentials: { password: password } });
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// Add listeners to important events from the RFB module
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rfb.addEventListener("connect", connectedToServer);
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rfb.addEventListener("disconnect", disconnectedFromServer);
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rfb.addEventListener("credentialsrequired", credentialsAreRequired);
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rfb.addEventListener("desktopname", updateDesktopName);
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// Set parameters that can be changed on an active connection
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rfb.viewOnly = readQueryVariable('view_only', false);
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rfb.scaleViewport = readQueryVariable('scale', false);
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</script>
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</head>
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<body>
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<div id="top_bar">
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<div id="status">Loading</div>
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<div id="sendCtrlAltDelButton">Send CtrlAltDel</div>
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</div>
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<div id="screen">
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<!-- This is where the remote screen will appear -->
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</div>
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</body>
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</html>
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