mirror of
https://github.com/novnc/noVNC.git
synced 2026-05-30 08:59:38 +00:00
1af3e54bef
I.e. if the page is https:// then the WebSocket encrypt setting will default to wss:// (TLS encryption). Note that since noVNC settings are saved in cookies, this will only affect first load. If you have already loaded the page, then the encrypt setting will be whatever you last set it to.
636 lines
18 KiB
JavaScript
636 lines
18 KiB
JavaScript
/*
|
|
* noVNC: HTML5 VNC client
|
|
* Copyright (C) 2011 Joel Martin
|
|
* Licensed under LGPL-3 (see LICENSE.txt)
|
|
*
|
|
* See README.md for usage and integration instructions.
|
|
*/
|
|
|
|
"use strict";
|
|
/*jslint white: false, browser: true */
|
|
/*global window, $D, Util, WebUtil, RFB, Display */
|
|
|
|
var UI = {
|
|
|
|
rfb_state : 'loaded',
|
|
settingsOpen : false,
|
|
connSettingsOpen : true,
|
|
clipboardOpen: false,
|
|
keyboardVisible: false,
|
|
|
|
// Render default UI and initialize settings menu
|
|
load: function() {
|
|
var html = '', i, sheet, sheets, llevels;
|
|
|
|
// Stylesheet selection dropdown
|
|
sheet = WebUtil.selectStylesheet();
|
|
sheets = WebUtil.getStylesheets();
|
|
for (i = 0; i < sheets.length; i += 1) {
|
|
UI.addOption($D('noVNC_stylesheet'),sheets[i].title, sheets[i].title);
|
|
}
|
|
|
|
// Logging selection dropdown
|
|
llevels = ['error', 'warn', 'info', 'debug'];
|
|
for (i = 0; i < llevels.length; i += 1) {
|
|
UI.addOption($D('noVNC_logging'),llevels[i], llevels[i]);
|
|
}
|
|
|
|
// Settings with immediate effects
|
|
UI.initSetting('logging', 'warn');
|
|
WebUtil.init_logging(UI.getSetting('logging'));
|
|
|
|
UI.initSetting('stylesheet', 'default');
|
|
WebUtil.selectStylesheet(null);
|
|
// call twice to get around webkit bug
|
|
WebUtil.selectStylesheet(UI.getSetting('stylesheet'));
|
|
|
|
/* Populate the controls if defaults are provided in the URL */
|
|
UI.initSetting('host', '');
|
|
UI.initSetting('port', '');
|
|
UI.initSetting('password', '');
|
|
UI.initSetting('encrypt', (window.location.protocol === "https:"));
|
|
UI.initSetting('true_color', true);
|
|
UI.initSetting('cursor', false);
|
|
UI.initSetting('shared', true);
|
|
UI.initSetting('view_only', false);
|
|
UI.initSetting('connectTimeout', 2);
|
|
UI.initSetting('path', 'websockify');
|
|
|
|
UI.rfb = RFB({'target': $D('noVNC_canvas'),
|
|
'onUpdateState': UI.updateState,
|
|
'onClipboard': UI.clipReceive});
|
|
UI.updateVisualState();
|
|
|
|
// Unfocus clipboard when over the VNC area
|
|
//$D('VNC_screen').onmousemove = function () {
|
|
// var keyboard = UI.rfb.get_keyboard();
|
|
// if ((! keyboard) || (! keyboard.get_focused())) {
|
|
// $D('VNC_clipboard_text').blur();
|
|
// }
|
|
// };
|
|
|
|
// Show mouse selector buttons on touch screen devices
|
|
if ('ontouchstart' in document.documentElement) {
|
|
// Show mobile buttons
|
|
$D('noVNC_mobile_buttons').style.display = "inline";
|
|
UI.setMouseButton();
|
|
// Remove the address bar
|
|
setTimeout(function() { window.scrollTo(0, 1); }, 100);
|
|
UI.forceSetting('clip', true);
|
|
$D('noVNC_clip').disabled = true;
|
|
} else {
|
|
UI.initSetting('clip', false);
|
|
}
|
|
|
|
//iOS Safari does not support CSS position:fixed.
|
|
//This detects iOS devices and enables javascript workaround.
|
|
if ((navigator.userAgent.match(/iPhone/i)) ||
|
|
(navigator.userAgent.match(/iPod/i)) ||
|
|
(navigator.userAgent.match(/iPad/i))) {
|
|
//UI.setOnscroll();
|
|
//UI.setResize();
|
|
}
|
|
|
|
$D('noVNC_host').focus();
|
|
|
|
UI.setViewClip();
|
|
Util.addEvent(window, 'resize', UI.setViewClip);
|
|
|
|
Util.addEvent(window, 'beforeunload', function () {
|
|
if (UI.rfb_state === 'normal') {
|
|
return "You are currently connected.";
|
|
}
|
|
} );
|
|
|
|
},
|
|
|
|
// Read form control compatible setting from cookie
|
|
getSetting: function(name) {
|
|
var val, ctrl = $D('noVNC_' + name);
|
|
val = WebUtil.readCookie(name);
|
|
if (ctrl.type === 'checkbox') {
|
|
if (val.toLowerCase() in {'0':1, 'no':1, 'false':1}) {
|
|
val = false;
|
|
} else {
|
|
val = true;
|
|
}
|
|
}
|
|
return val;
|
|
},
|
|
|
|
// Update cookie and form control setting. If value is not set, then
|
|
// updates from control to current cookie setting.
|
|
updateSetting: function(name, value) {
|
|
|
|
var i, ctrl = $D('noVNC_' + name);
|
|
// Save the cookie for this session
|
|
if (typeof value !== 'undefined') {
|
|
WebUtil.createCookie(name, value);
|
|
}
|
|
|
|
// Update the settings control
|
|
value = UI.getSetting(name);
|
|
|
|
if (ctrl.type === 'checkbox') {
|
|
ctrl.checked = value;
|
|
|
|
} else if (typeof ctrl.options !== 'undefined') {
|
|
for (i = 0; i < ctrl.options.length; i += 1) {
|
|
if (ctrl.options[i].value === value) {
|
|
ctrl.selectedIndex = i;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
/*Weird IE9 error leads to 'null' appearring
|
|
in textboxes instead of ''.*/
|
|
if (value === null) {
|
|
value = "";
|
|
}
|
|
ctrl.value = value;
|
|
}
|
|
},
|
|
|
|
// Save control setting to cookie
|
|
saveSetting: function(name) {
|
|
var val, ctrl = $D('noVNC_' + name);
|
|
if (ctrl.type === 'checkbox') {
|
|
val = ctrl.checked;
|
|
} else if (typeof ctrl.options !== 'undefined') {
|
|
val = ctrl.options[ctrl.selectedIndex].value;
|
|
} else {
|
|
val = ctrl.value;
|
|
}
|
|
WebUtil.createCookie(name, val);
|
|
//Util.Debug("Setting saved '" + name + "=" + val + "'");
|
|
return val;
|
|
},
|
|
|
|
// Initial page load read/initialization of settings
|
|
initSetting: function(name, defVal) {
|
|
var val;
|
|
|
|
// Check Query string followed by cookie
|
|
val = WebUtil.getQueryVar(name);
|
|
if (val === null) {
|
|
val = WebUtil.readCookie(name, defVal);
|
|
}
|
|
UI.updateSetting(name, val);
|
|
//Util.Debug("Setting '" + name + "' initialized to '" + val + "'");
|
|
return val;
|
|
},
|
|
|
|
// Force a setting to be a certain value
|
|
forceSetting: function(name, val) {
|
|
UI.updateSetting(name, val);
|
|
return val;
|
|
},
|
|
|
|
|
|
// Show the clipboard panel
|
|
toggleClipboardPanel: function() {
|
|
//Close settings if open
|
|
if (UI.settingsOpen === true) {
|
|
UI.settingsApply();
|
|
UI.closeSettingsMenu();
|
|
}
|
|
//Close connection settings if open
|
|
if (UI.connSettingsOpen === true) {
|
|
UI.toggleConnectPanel();
|
|
}
|
|
//Toggle Clipboard Panel
|
|
if (UI.clipboardOpen === true) {
|
|
$D('noVNC_clipboard').style.display = "none";
|
|
$D('clipboardButton').className = "noVNC_status_button";
|
|
UI.clipboardOpen = false;
|
|
} else {
|
|
$D('noVNC_clipboard').style.display = "block";
|
|
$D('clipboardButton').className = "noVNC_status_button_selected";
|
|
UI.clipboardOpen = true;
|
|
}
|
|
},
|
|
|
|
// Show the connection settings panel/menu
|
|
toggleConnectPanel: function() {
|
|
//Close connection settings if open
|
|
if (UI.settingsOpen === true) {
|
|
UI.settingsApply();
|
|
UI.closeSettingsMenu();
|
|
$D('connectButton').className = "noVNC_status_button";
|
|
}
|
|
if (UI.clipboardOpen === true) {
|
|
UI.toggleClipboardPanel();
|
|
}
|
|
|
|
//Toggle Connection Panel
|
|
if (UI.connSettingsOpen === true) {
|
|
$D('noVNC_controls').style.display = "none";
|
|
$D('connectButton').className = "noVNC_status_button";
|
|
UI.connSettingsOpen = false;
|
|
} else {
|
|
$D('noVNC_controls').style.display = "block";
|
|
$D('connectButton').className = "noVNC_status_button_selected";
|
|
UI.connSettingsOpen = true;
|
|
$D('noVNC_host').focus();
|
|
}
|
|
},
|
|
|
|
// Toggle the settings menu:
|
|
// On open, settings are refreshed from saved cookies.
|
|
// On close, settings are applied
|
|
toggleSettingsPanel: function() {
|
|
if (UI.settingsOpen) {
|
|
UI.settingsApply();
|
|
UI.closeSettingsMenu();
|
|
} else {
|
|
UI.updateSetting('encrypt');
|
|
UI.updateSetting('true_color');
|
|
if (UI.rfb.get_display().get_cursor_uri()) {
|
|
UI.updateSetting('cursor');
|
|
} else {
|
|
UI.updateSetting('cursor', false);
|
|
$D('noVNC_cursor').disabled = true;
|
|
}
|
|
UI.updateSetting('clip');
|
|
UI.updateSetting('shared');
|
|
UI.updateSetting('view_only');
|
|
UI.updateSetting('connectTimeout');
|
|
UI.updateSetting('path');
|
|
UI.updateSetting('stylesheet');
|
|
UI.updateSetting('logging');
|
|
|
|
UI.openSettingsMenu();
|
|
}
|
|
},
|
|
|
|
// Open menu
|
|
openSettingsMenu: function() {
|
|
if (UI.clipboardOpen === true) {
|
|
UI.toggleClipboardPanel();
|
|
}
|
|
//Close connection settings if open
|
|
if (UI.connSettingsOpen === true) {
|
|
UI.toggleConnectPanel();
|
|
}
|
|
$D('noVNC_settings').style.display = "block";
|
|
$D('settingsButton').className = "noVNC_status_button_selected";
|
|
UI.settingsOpen = true;
|
|
},
|
|
|
|
// Close menu (without applying settings)
|
|
closeSettingsMenu: function() {
|
|
$D('noVNC_settings').style.display = "none";
|
|
$D('settingsButton').className = "noVNC_status_button";
|
|
UI.settingsOpen = false;
|
|
},
|
|
|
|
// Save/apply settings when 'Apply' button is pressed
|
|
settingsApply: function() {
|
|
//Util.Debug(">> settingsApply");
|
|
UI.saveSetting('encrypt');
|
|
UI.saveSetting('true_color');
|
|
if (UI.rfb.get_display().get_cursor_uri()) {
|
|
UI.saveSetting('cursor');
|
|
}
|
|
UI.saveSetting('clip');
|
|
UI.saveSetting('shared');
|
|
UI.saveSetting('view_only');
|
|
UI.saveSetting('connectTimeout');
|
|
UI.saveSetting('path');
|
|
UI.saveSetting('stylesheet');
|
|
UI.saveSetting('logging');
|
|
|
|
// Settings with immediate (non-connected related) effect
|
|
WebUtil.selectStylesheet(UI.getSetting('stylesheet'));
|
|
WebUtil.init_logging(UI.getSetting('logging'));
|
|
UI.setViewClip();
|
|
UI.setViewDrag(UI.rfb.get_viewportDrag());
|
|
//Util.Debug("<< settingsApply");
|
|
},
|
|
|
|
|
|
|
|
setPassword: function() {
|
|
UI.rfb.sendPassword($D('noVNC_password').value);
|
|
//Reset connect button.
|
|
$D('noVNC_connect_button').value = "Connect";
|
|
$D('noVNC_connect_button').onclick = UI.Connect;
|
|
//Hide connection panel.
|
|
UI.toggleConnectPanel();
|
|
return false;
|
|
},
|
|
|
|
sendCtrlAltDel: function() {
|
|
UI.rfb.sendCtrlAltDel();
|
|
},
|
|
|
|
setMouseButton: function(num) {
|
|
var b, blist = [0, 1,2,4], button;
|
|
|
|
if (typeof num === 'undefined') {
|
|
// Disable mouse buttons
|
|
num = -1;
|
|
}
|
|
if (UI.rfb) {
|
|
UI.rfb.get_mouse().set_touchButton(num);
|
|
}
|
|
|
|
for (b = 0; b < blist.length; b++) {
|
|
button = $D('noVNC_mouse_button' + blist[b]);
|
|
if (blist[b] === num) {
|
|
button.style.display = "";
|
|
} else {
|
|
button.style.display = "none";
|
|
/*
|
|
button.style.backgroundColor = "black";
|
|
button.style.color = "lightgray";
|
|
button.style.backgroundColor = "";
|
|
button.style.color = "";
|
|
*/
|
|
}
|
|
}
|
|
},
|
|
|
|
updateState: function(rfb, state, oldstate, msg) {
|
|
var s, sb, c, d, cad, vd, klass;
|
|
UI.rfb_state = state;
|
|
s = $D('noVNC_status');
|
|
sb = $D('noVNC_status_bar');
|
|
switch (state) {
|
|
case 'failed':
|
|
case 'fatal':
|
|
klass = "noVNC_status_error";
|
|
break;
|
|
case 'normal':
|
|
klass = "noVNC_status_normal";
|
|
break;
|
|
case 'disconnected':
|
|
$D('noVNC_logo').style.display = "block";
|
|
// Fall through
|
|
case 'loaded':
|
|
klass = "noVNC_status_normal";
|
|
break;
|
|
case 'password':
|
|
UI.toggleConnectPanel();
|
|
|
|
$D('noVNC_connect_button').value = "Send Password";
|
|
$D('noVNC_connect_button').onclick = UI.setPassword;
|
|
$D('noVNC_password').focus();
|
|
|
|
klass = "noVNC_status_warn";
|
|
break;
|
|
default:
|
|
klass = "noVNC_status_warn";
|
|
break;
|
|
}
|
|
|
|
if (typeof(msg) !== 'undefined') {
|
|
s.setAttribute("class", klass);
|
|
sb.setAttribute("class", klass);
|
|
s.innerHTML = msg;
|
|
}
|
|
|
|
UI.updateVisualState();
|
|
},
|
|
|
|
// Disable/enable controls depending on connection state
|
|
updateVisualState: function() {
|
|
var connected = UI.rfb_state === 'normal' ? true : false;
|
|
|
|
//Util.Debug(">> updateVisualState");
|
|
$D('noVNC_encrypt').disabled = connected;
|
|
$D('noVNC_true_color').disabled = connected;
|
|
if (UI.rfb && UI.rfb.get_display() &&
|
|
UI.rfb.get_display().get_cursor_uri()) {
|
|
$D('noVNC_cursor').disabled = connected;
|
|
} else {
|
|
UI.updateSetting('cursor', false);
|
|
$D('noVNC_cursor').disabled = true;
|
|
}
|
|
$D('noVNC_shared').disabled = connected;
|
|
$D('noVNC_view_only').disabled = connected;
|
|
$D('noVNC_connectTimeout').disabled = connected;
|
|
$D('noVNC_path').disabled = connected;
|
|
|
|
if (connected) {
|
|
UI.setViewClip();
|
|
UI.setMouseButton(1);
|
|
$D('showKeyboard').style.display = "inline";
|
|
$D('sendCtrlAltDelButton').style.display = "inline";
|
|
} else {
|
|
UI.setMouseButton();
|
|
$D('showKeyboard').style.display = "none";
|
|
$D('sendCtrlAltDelButton').style.display = "none";
|
|
}
|
|
// State change disables viewport dragging.
|
|
// It is enabled (toggled) by direct click on the button
|
|
UI.setViewDrag(false);
|
|
|
|
switch (UI.rfb_state) {
|
|
case 'fatal':
|
|
case 'failed':
|
|
case 'loaded':
|
|
case 'disconnected':
|
|
$D('connectButton').style.display = "";
|
|
$D('disconnectButton').style.display = "none";
|
|
break;
|
|
default:
|
|
$D('connectButton').style.display = "none";
|
|
$D('disconnectButton').style.display = "";
|
|
break;
|
|
}
|
|
|
|
//Util.Debug("<< updateVisualState");
|
|
},
|
|
|
|
|
|
clipReceive: function(rfb, text) {
|
|
Util.Debug(">> UI.clipReceive: " + text.substr(0,40) + "...");
|
|
$D('noVNC_clipboard_text').value = text;
|
|
Util.Debug("<< UI.clipReceive");
|
|
},
|
|
|
|
|
|
connect: function() {
|
|
var host, port, password, path;
|
|
|
|
UI.closeSettingsMenu();
|
|
UI.toggleConnectPanel();
|
|
|
|
host = $D('noVNC_host').value;
|
|
port = $D('noVNC_port').value;
|
|
password = $D('noVNC_password').value;
|
|
path = $D('noVNC_path').value;
|
|
if ((!host) || (!port)) {
|
|
throw("Must set host and port");
|
|
}
|
|
|
|
UI.rfb.set_encrypt(UI.getSetting('encrypt'));
|
|
UI.rfb.set_true_color(UI.getSetting('true_color'));
|
|
UI.rfb.set_local_cursor(UI.getSetting('cursor'));
|
|
UI.rfb.set_shared(UI.getSetting('shared'));
|
|
UI.rfb.set_view_only(UI.getSetting('view_only'));
|
|
UI.rfb.set_connectTimeout(UI.getSetting('connectTimeout'));
|
|
|
|
UI.rfb.connect(host, port, password, path);
|
|
//Close dialog.
|
|
setTimeout(UI.setBarPosition, 100);
|
|
$D('noVNC_logo').style.display = "none";
|
|
},
|
|
|
|
disconnect: function() {
|
|
UI.closeSettingsMenu();
|
|
UI.rfb.disconnect();
|
|
|
|
$D('noVNC_logo').style.display = "block";
|
|
UI.connSettingsOpen = false;
|
|
UI.toggleConnectPanel();
|
|
},
|
|
|
|
displayBlur: function() {
|
|
UI.rfb.get_keyboard().set_focused(false);
|
|
UI.rfb.get_mouse().set_focused(false);
|
|
},
|
|
|
|
displayFocus: function() {
|
|
UI.rfb.get_keyboard().set_focused(true);
|
|
UI.rfb.get_mouse().set_focused(true);
|
|
},
|
|
|
|
clipClear: function() {
|
|
$D('noVNC_clipboard_text').value = "";
|
|
UI.rfb.clipboardPasteFrom("");
|
|
},
|
|
|
|
clipSend: function() {
|
|
var text = $D('noVNC_clipboard_text').value;
|
|
Util.Debug(">> UI.clipSend: " + text.substr(0,40) + "...");
|
|
UI.rfb.clipboardPasteFrom(text);
|
|
Util.Debug("<< UI.clipSend");
|
|
},
|
|
|
|
|
|
// Enable/disable and configure viewport clipping
|
|
setViewClip: function(clip) {
|
|
var display, cur_clip, pos, new_w, new_h;
|
|
|
|
if (UI.rfb) {
|
|
display = UI.rfb.get_display();
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
cur_clip = display.get_viewport();
|
|
|
|
if (typeof(clip) !== 'boolean') {
|
|
// Use current setting
|
|
clip = UI.getSetting('clip');
|
|
}
|
|
|
|
if (clip && !cur_clip) {
|
|
// Turn clipping on
|
|
UI.updateSetting('clip', true);
|
|
} else if (!clip && cur_clip) {
|
|
// Turn clipping off
|
|
UI.updateSetting('clip', false);
|
|
display.set_viewport(false);
|
|
$D('noVNC_canvas').style.position = 'static';
|
|
display.viewportChange();
|
|
}
|
|
if (UI.getSetting('clip')) {
|
|
// If clipping, update clipping settings
|
|
$D('noVNC_canvas').style.position = 'absolute';
|
|
pos = Util.getPosition($D('noVNC_canvas'));
|
|
new_w = window.innerWidth - pos.x;
|
|
new_h = window.innerHeight - pos.y;
|
|
display.set_viewport(true);
|
|
display.viewportChange(0, 0, new_w, new_h);
|
|
}
|
|
},
|
|
|
|
// Toggle/set/unset the viewport drag/move button
|
|
setViewDrag: function(drag) {
|
|
var vmb = $D('noVNC_view_drag_button');
|
|
if (!UI.rfb) { return; }
|
|
|
|
if (UI.rfb_state === 'normal' &&
|
|
UI.rfb.get_display().get_viewport()) {
|
|
vmb.style.display = "inline";
|
|
} else {
|
|
vmb.style.display = "none";
|
|
}
|
|
|
|
if (typeof(drag) === "undefined") {
|
|
// If not specified, then toggle
|
|
drag = !UI.rfb.get_viewportDrag();
|
|
}
|
|
if (drag) {
|
|
vmb.className = "noVNC_status_button_selected";
|
|
UI.rfb.set_viewportDrag(true);
|
|
} else {
|
|
vmb.className = "noVNC_status_button";
|
|
UI.rfb.set_viewportDrag(false);
|
|
}
|
|
},
|
|
|
|
// On touch devices, show the OS keyboard
|
|
showKeyboard: function() {
|
|
if(UI.keyboardVisible === false) {
|
|
$D('keyboardinput').focus();
|
|
UI.keyboardVisible = true;
|
|
$D('showKeyboard').className = "noVNC_status_button_selected";
|
|
} else if(UI.keyboardVisible === true) {
|
|
$D('keyboardinput').blur();
|
|
$D('showKeyboard').className = "noVNC_status_button";
|
|
UI.keyboardVisible = false;
|
|
}
|
|
},
|
|
|
|
keyInputBlur: function() {
|
|
$D('showKeyboard').className = "noVNC_status_button";
|
|
//Weird bug in iOS if you change keyboardVisible
|
|
//here it does not actually occur so next time
|
|
//you click keyboard icon it doesnt work.
|
|
setTimeout(function() { UI.setKeyboard(); },100);
|
|
},
|
|
|
|
setKeyboard: function() {
|
|
UI.keyboardVisible = false;
|
|
},
|
|
|
|
// iOS < Version 5 does not support position fixed. Javascript workaround:
|
|
setOnscroll: function() {
|
|
window.onscroll = function() {
|
|
UI.setBarPosition();
|
|
};
|
|
},
|
|
|
|
setResize: function () {
|
|
window.onResize = function() {
|
|
UI.setBarPosition();
|
|
};
|
|
},
|
|
|
|
//Helper to add options to dropdown.
|
|
addOption: function(selectbox,text,value )
|
|
{
|
|
var optn = document.createElement("OPTION");
|
|
optn.text = text;
|
|
optn.value = value;
|
|
selectbox.options.add(optn);
|
|
},
|
|
|
|
setBarPosition: function() {
|
|
$D('noVNC-control-bar').style.top = (window.pageYOffset) + 'px';
|
|
$D('noVNC_mobile_buttons').style.left = (window.pageXOffset) + 'px';
|
|
|
|
var vncwidth = $D('noVNC_screen').style.offsetWidth;
|
|
$D('noVNC-control-bar').style.width = vncwidth + 'px';
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
|