Merge pull request #5228 from AntonAndreevichMoroz/master

Update noVNC to 1.4.0
This commit is contained in:
Ylian Saint-Hilaire 2023-07-16 12:44:58 -07:00 committed by GitHub
commit 2305323734
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GPG Key ID: 4AEE18F83AFDEB23
48 changed files with 2545 additions and 504 deletions

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@ -1,4 +1,4 @@
noVNC is Copyright (C) 2019 The noVNC Authors
noVNC is Copyright (C) 2022 The noVNC Authors
(./AUTHORS)
The noVNC core library files are licensed under the MPL 2.0 (Mozilla

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@ -6,61 +6,74 @@
* See README.md for usage and integration instructions.
*/
// NB: this should *not* be included as a module until we have
// native support in the browsers, so that our error handler
// can catch script-loading errors.
// Fallback for all uncought errors
function handleError(event, err) {
try {
const msg = document.getElementById('noVNC_fallback_errormsg');
// No ES6 can be used in this file since it's used for the translation
/* eslint-disable prefer-arrow-callback */
(function _scope() {
"use strict";
// Fallback for all uncought errors
function handleError(event, err) {
try {
const msg = document.getElementById('noVNC_fallback_errormsg');
// Only show the initial error
if (msg.hasChildNodes()) {
return false;
}
let div = document.createElement("div");
div.classList.add('noVNC_message');
div.appendChild(document.createTextNode(event.message));
msg.appendChild(div);
if (event.filename) {
div = document.createElement("div");
div.className = 'noVNC_location';
let text = event.filename;
if (event.lineno !== undefined) {
text += ":" + event.lineno;
if (event.colno !== undefined) {
text += ":" + event.colno;
}
}
div.appendChild(document.createTextNode(text));
msg.appendChild(div);
}
if (err && err.stack) {
div = document.createElement("div");
div.className = 'noVNC_stack';
div.appendChild(document.createTextNode(err.stack));
msg.appendChild(div);
}
document.getElementById('noVNC_fallback_error')
.classList.add("noVNC_open");
} catch (exc) {
document.write("noVNC encountered an error.");
// Work around Firefox bug:
// https://bugzilla.mozilla.org/show_bug.cgi?id=1685038
if (event.message === "ResizeObserver loop completed with undelivered notifications.") {
return false;
}
// Don't return true since this would prevent the error
// from being printed to the browser console.
return false;
// Only show the initial error
if (msg.hasChildNodes()) {
return false;
}
let div = document.createElement("div");
div.classList.add('noVNC_message');
div.appendChild(document.createTextNode(event.message));
msg.appendChild(div);
if (event.filename) {
div = document.createElement("div");
div.className = 'noVNC_location';
let text = event.filename;
if (event.lineno !== undefined) {
text += ":" + event.lineno;
if (event.colno !== undefined) {
text += ":" + event.colno;
}
}
div.appendChild(document.createTextNode(text));
msg.appendChild(div);
}
if (err && err.stack) {
div = document.createElement("div");
div.className = 'noVNC_stack';
div.appendChild(document.createTextNode(err.stack));
msg.appendChild(div);
}
document.getElementById('noVNC_fallback_error')
.classList.add("noVNC_open");
} catch (exc) {
document.write("noVNC encountered an error.");
}
window.addEventListener('error', function onerror(evt) { handleError(evt, evt.error); });
window.addEventListener('unhandledrejection', function onreject(evt) { handleError(evt.reason, evt.reason); });
})();
// Try to disable keyboard interaction, best effort
try {
// Remove focus from the currently focused element in order to
// prevent keyboard interaction from continuing
if (document.activeElement) { document.activeElement.blur(); }
// Don't let any element be focusable when showing the error
let keyboardFocusable = 'a[href], button, input, textarea, select, details, [tabindex]';
document.querySelectorAll(keyboardFocusable).forEach((elem) => {
elem.setAttribute("tabindex", "-1");
});
} catch (exc) {
// Do nothing
}
// Don't return true since this would prevent the error
// from being printed to the browser console.
return false;
}
window.addEventListener('error', evt => handleError(evt, evt.error));
window.addEventListener('unhandledrejection', evt => handleError(evt.reason, evt.reason));

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@ -1,42 +1,42 @@
ICONS := \
novnc-16x16.png \
novnc-24x24.png \
novnc-32x32.png \
novnc-48x48.png \
novnc-64x64.png
BROWSER_SIZES := 16 24 32 48 64
#ANDROID_SIZES := 72 96 144 192
# FIXME: The ICO is limited to 8 icons due to a Chrome bug:
# https://bugs.chromium.org/p/chromium/issues/detail?id=1381393
ANDROID_SIZES := 96 144 192
WEB_ICON_SIZES := $(BROWSER_SIZES) $(ANDROID_SIZES)
ANDROID_LAUNCHER := \
novnc-48x48.png \
novnc-72x72.png \
novnc-96x96.png \
novnc-144x144.png \
novnc-192x192.png
#IOS_1X_SIZES := 20 29 40 76 # No such devices exist anymore
IOS_2X_SIZES := 40 58 80 120 152 167
IOS_3X_SIZES := 60 87 120 180
ALL_IOS_SIZES := $(IOS_1X_SIZES) $(IOS_2X_SIZES) $(IOS_3X_SIZES)
IPHONE_LAUNCHER := \
novnc-60x60.png \
novnc-120x120.png
IPAD_LAUNCHER := \
novnc-76x76.png \
novnc-152x152.png
ALL_ICONS := $(ICONS) $(ANDROID_LAUNCHER) $(IPHONE_LAUNCHER) $(IPAD_LAUNCHER)
ALL_ICONS := \
$(ALL_IOS_SIZES:%=novnc-ios-%.png) \
novnc.ico
all: $(ALL_ICONS)
novnc-16x16.png: novnc-icon-sm.svg
convert -density 90 \
-background transparent "$<" "$@"
novnc-24x24.png: novnc-icon-sm.svg
convert -density 135 \
-background transparent "$<" "$@"
novnc-32x32.png: novnc-icon-sm.svg
convert -density 180 \
-background transparent "$<" "$@"
# Our testing shows that the ICO file need to be sorted in largest to
# smallest to get the apporpriate behviour
WEB_ICON_SIZES_REVERSE := $(shell echo $(WEB_ICON_SIZES) | tr ' ' '\n' | sort -nr | tr '\n' ' ')
WEB_BASE_ICONS := $(WEB_ICON_SIZES_REVERSE:%=novnc-%.png)
.INTERMEDIATE: $(WEB_BASE_ICONS)
novnc.ico: $(WEB_BASE_ICONS)
convert $(WEB_BASE_ICONS) "$@"
# General conversion
novnc-%.png: novnc-icon.svg
convert -density $$[`echo $* | cut -d x -f 1` * 90 / 48] \
-background transparent "$<" "$@"
convert -depth 8 -background transparent \
-size $*x$* "$(lastword $^)" "$@"
# iOS icons use their own SVG
novnc-ios-%.png: novnc-ios-icon.svg
convert -depth 8 -background transparent \
-size $*x$* "$(lastword $^)" "$@"
# The smallest sizes are generated using a different SVG
novnc-16.png novnc-24.png novnc-32.png: novnc-icon-sm.svg
clean:
rm -f *.png

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@ -1,21 +1,22 @@
{
"HTTPS is required for full functionality": "",
"Connecting...": "En cours de connexion...",
"Disconnecting...": "Déconnexion en cours...",
"Reconnecting...": "Reconnexion en cours...",
"Internal error": "Erreur interne",
"Must set host": "Doit définir l'hôte",
"Connected (encrypted) to ": "Connecté (crypté) à ",
"Connected (unencrypted) to ": "Connecté (non crypté) à ",
"Something went wrong, connection is closed": "Quelque chose est arrivé, la connexion est fermée",
"Connected (encrypted) to ": "Connecté (chiffré) à ",
"Connected (unencrypted) to ": "Connecté (non chiffré) à ",
"Something went wrong, connection is closed": "Quelque chose s'est mal passé, la connexion a été fermée",
"Failed to connect to server": "Échec de connexion au serveur",
"Disconnected": "Déconnecté",
"New connection has been rejected with reason: ": "Une nouvelle connexion a été rejetée avec raison: ",
"New connection has been rejected with reason: ": "Une nouvelle connexion a été rejetée avec motif : ",
"New connection has been rejected": "Une nouvelle connexion a été rejetée",
"Credentials are required": "Les identifiants sont requis",
"noVNC encountered an error:": "noVNC a rencontré une erreur:",
"noVNC encountered an error:": "noVNC a rencontré une erreur :",
"Hide/Show the control bar": "Masquer/Afficher la barre de contrôle",
"Drag": "Faire glisser",
"Move/Drag Viewport": "Déplacer/faire glisser Viewport",
"Move/Drag Viewport": "Déplacer/faire glisser le Viewport",
"Keyboard": "Clavier",
"Show Keyboard": "Afficher le clavier",
"Extra keys": "Touches supplémentaires",
@ -39,34 +40,39 @@
"Reboot": "Redémarrer",
"Reset": "Réinitialiser",
"Clipboard": "Presse-papiers",
"Clear": "Effacer",
"Fullscreen": "Plein écran",
"Edit clipboard content in the textarea below.": "",
"Settings": "Paramètres",
"Shared Mode": "Mode partagé",
"View Only": "Afficher uniquement",
"Clip to Window": "Clip à fenêtre",
"Scaling Mode:": "Mode mise à l'échelle:",
"Scaling Mode:": "Mode mise à l'échelle :",
"None": "Aucun",
"Local Scaling": "Mise à l'échelle locale",
"Remote Resizing": "Redimensionnement à distance",
"Advanced": "Avancé",
"Quality:": "Qualité:",
"Compression level:": "Niveau de compression:",
"Repeater ID:": "ID Répéteur:",
"Quality:": "Qualité :",
"Compression level:": "Niveau de compression :",
"Repeater ID:": "ID Répéteur :",
"WebSocket": "WebSocket",
"Encrypt": "Crypter",
"Host:": "Hôte:",
"Port:": "Port:",
"Path:": "Chemin:",
"Encrypt": "Chiffrer",
"Host:": "Hôte :",
"Port:": "Port :",
"Path:": "Chemin :",
"Automatic Reconnect": "Reconnecter automatiquemen",
"Reconnect Delay (ms):": "Délai de reconnexion (ms):",
"Reconnect Delay (ms):": "Délai de reconnexion (ms) :",
"Show Dot when No Cursor": "Afficher le point lorsqu'il n'y a pas de curseur",
"Logging:": "Se connecter:",
"Version:": "Version:",
"Logging:": "Se connecter :",
"Version:": "Version :",
"Disconnect": "Déconnecter",
"Connect": "Connecter",
"Username:": "Nom d'utilisateur:",
"Password:": "Mot de passe:",
"Server identity": "",
"The server has provided the following identifying information:": "",
"Fingerprint:": "",
"Please verify that the information is correct and press \"Approve\". Otherwise press \"Reject\".": "",
"Approve": "",
"Reject": "",
"Username:": "Nom d'utilisateur :",
"Password:": "Mot de passe :",
"Send Credentials": "Envoyer les identifiants",
"Cancel": "Annuler"
}

View File

@ -0,0 +1,72 @@
{
"Connecting...": "Connessione in corso...",
"Disconnecting...": "Disconnessione...",
"Reconnecting...": "Riconnessione...",
"Internal error": "Errore interno",
"Must set host": "Devi impostare l'host",
"Connected (encrypted) to ": "Connesso (crittografato) a ",
"Connected (unencrypted) to ": "Connesso (non crittografato) a",
"Something went wrong, connection is closed": "Qualcosa è andato storto, la connessione è stata chiusa",
"Failed to connect to server": "Impossibile connettersi al server",
"Disconnected": "Disconnesso",
"New connection has been rejected with reason: ": "La nuova connessione è stata rifiutata con motivo: ",
"New connection has been rejected": "La nuova connessione è stata rifiutata",
"Credentials are required": "Le credenziali sono obbligatorie",
"noVNC encountered an error:": "noVNC ha riscontrato un errore:",
"Hide/Show the control bar": "Nascondi/Mostra la barra di controllo",
"Drag": "",
"Move/Drag Viewport": "",
"Keyboard": "Tastiera",
"Show Keyboard": "Mostra tastiera",
"Extra keys": "Tasti Aggiuntivi",
"Show Extra Keys": "Mostra Tasti Aggiuntivi",
"Ctrl": "Ctrl",
"Toggle Ctrl": "Tieni premuto Ctrl",
"Alt": "Alt",
"Toggle Alt": "Tieni premuto Alt",
"Toggle Windows": "Tieni premuto Windows",
"Windows": "Windows",
"Send Tab": "Invia Tab",
"Tab": "Tab",
"Esc": "Esc",
"Send Escape": "Invia Esc",
"Ctrl+Alt+Del": "Ctrl+Alt+Canc",
"Send Ctrl-Alt-Del": "Invia Ctrl-Alt-Canc",
"Shutdown/Reboot": "Spegnimento/Riavvio",
"Shutdown/Reboot...": "Spegnimento/Riavvio...",
"Power": "Alimentazione",
"Shutdown": "Spegnimento",
"Reboot": "Riavvio",
"Reset": "Reset",
"Clipboard": "Clipboard",
"Clear": "Pulisci",
"Fullscreen": "Schermo intero",
"Settings": "Impostazioni",
"Shared Mode": "Modalità condivisa",
"View Only": "Sola Visualizzazione",
"Clip to Window": "",
"Scaling Mode:": "Modalità di ridimensionamento:",
"None": "Nessuna",
"Local Scaling": "Ridimensionamento Locale",
"Remote Resizing": "Ridimensionamento Remoto",
"Advanced": "Avanzate",
"Quality:": "Qualità:",
"Compression level:": "Livello Compressione:",
"Repeater ID:": "ID Ripetitore:",
"WebSocket": "WebSocket",
"Encrypt": "Crittografa",
"Host:": "Host:",
"Port:": "Porta:",
"Path:": "Percorso:",
"Automatic Reconnect": "Riconnessione Automatica",
"Reconnect Delay (ms):": "Ritardo Riconnessione (ms):",
"Show Dot when No Cursor": "Mostra Punto quando Nessun Cursore",
"Logging:": "",
"Version:": "Versione:",
"Disconnect": "Disconnetti",
"Connect": "Connetti",
"Username:": "Utente:",
"Password:": "Password:",
"Send Credentials": "Invia Credenziale",
"Cancel": "Annulla"
}

View File

@ -1,4 +1,5 @@
{
"HTTPS is required for full functionality": "HTTPS krävs för full funktionalitet",
"Connecting...": "Ansluter...",
"Disconnecting...": "Kopplar ner...",
"Reconnecting...": "Återansluter...",
@ -39,8 +40,8 @@
"Reboot": "Boota om",
"Reset": "Återställ",
"Clipboard": "Urklipp",
"Clear": "Rensa",
"Fullscreen": "Fullskärm",
"Edit clipboard content in the textarea below.": "Redigera urklippets innehåll i fältet nedan.",
"Full Screen": "Fullskärm",
"Settings": "Inställningar",
"Shared Mode": "Delat Läge",
"View Only": "Endast Visning",
@ -65,6 +66,13 @@
"Version:": "Version:",
"Disconnect": "Koppla från",
"Connect": "Anslut",
"Server identity": "Server-identitet",
"The server has provided the following identifying information:": "Servern har gett följande identifierande information:",
"Fingerprint:": "Fingeravtryck:",
"Please verify that the information is correct and press \"Approve\". Otherwise press \"Reject\".": "Kontrollera att informationen är korrekt och tryck sedan \"Godkänn\". Tryck annars \"Neka\".",
"Approve": "Godkänn",
"Reject": "Neka",
"Credentials": "Användaruppgifter",
"Username:": "Användarnamn:",
"Password:": "Lösenord:",
"Send Credentials": "Skicka Användaruppgifter",

View File

@ -103,13 +103,20 @@ export class Localizer {
return items.indexOf(searchElement) !== -1;
}
function translateString(str) {
// We assume surrounding whitespace, and whitespace around line
// breaks is just for source formatting
str = str.split("\n").map(s => s.trim()).join(" ").trim();
return self.get(str);
}
function translateAttribute(elem, attr) {
const str = self.get(elem.getAttribute(attr));
const str = translateString(elem.getAttribute(attr));
elem.setAttribute(attr, str);
}
function translateTextNode(node) {
const str = self.get(node.data.trim());
const str = translateString(node.data);
node.data = str;
}

View File

@ -19,10 +19,23 @@
* 10000: Max (used for polyfills)
*/
/*
* State variables (set on :root):
*
* noVNC_loading: Page is still loading
* noVNC_connecting: Connecting to server
* noVNC_reconnecting: Re-establishing a connection
* noVNC_connected: Connected to server (most common state)
* noVNC_disconnecting: Disconnecting from server
*/
:root {
font-family: sans-serif;
}
body {
margin:0;
padding:0;
font-family: Helvetica;
/*Background image with light grey curve.*/
background-color:#494949;
background-repeat:no-repeat;
@ -78,144 +91,6 @@ html {
50% { box-shadow: 60px 10px 0 rgba(255, 255, 255, 0); width: 10px; }
}
/* ----------------------------------------
* Input Elements
* ----------------------------------------
*/
input:not([type]),
input[type=date],
input[type=datetime-local],
input[type=email],
input[type=month],
input[type=number],
input[type=password],
input[type=search],
input[type=tel],
input[type=text],
input[type=time],
input[type=url],
input[type=week],
textarea {
/* Disable default rendering */
-webkit-appearance: none;
-moz-appearance: none;
background: none;
margin: 2px;
padding: 2px;
border: 1px solid rgb(192, 192, 192);
border-radius: 5px;
color: black;
background: linear-gradient(to top, rgb(255, 255, 255) 80%, rgb(240, 240, 240));
}
input[type=button],
input[type=color],
input[type=reset],
input[type=submit],
select {
/* Disable default rendering */
-webkit-appearance: none;
-moz-appearance: none;
background: none;
margin: 2px;
padding: 2px;
border: 1px solid rgb(192, 192, 192);
border-bottom-width: 2px;
border-radius: 5px;
color: black;
background: linear-gradient(to top, rgb(255, 255, 255), rgb(240, 240, 240));
/* This avoids it jumping around when :active */
vertical-align: middle;
}
input[type=button],
input[type=color],
input[type=reset],
input[type=submit] {
padding-left: 20px;
padding-right: 20px;
}
option {
color: black;
background: white;
}
input:not([type]):focus,
input[type=button]:focus,
input[type=color]:focus,
input[type=date]:focus,
input[type=datetime-local]:focus,
input[type=email]:focus,
input[type=month]:focus,
input[type=number]:focus,
input[type=password]:focus,
input[type=reset]:focus,
input[type=search]:focus,
input[type=submit]:focus,
input[type=tel]:focus,
input[type=text]:focus,
input[type=time]:focus,
input[type=url]:focus,
input[type=week]:focus,
select:focus,
textarea:focus {
box-shadow: 0px 0px 3px rgba(74, 144, 217, 0.5);
border-color: rgb(74, 144, 217);
outline: none;
}
input[type=button]::-moz-focus-inner,
input[type=color]::-moz-focus-inner,
input[type=reset]::-moz-focus-inner,
input[type=submit]::-moz-focus-inner {
border: none;
}
input:not([type]):disabled,
input[type=button]:disabled,
input[type=color]:disabled,
input[type=date]:disabled,
input[type=datetime-local]:disabled,
input[type=email]:disabled,
input[type=month]:disabled,
input[type=number]:disabled,
input[type=password]:disabled,
input[type=reset]:disabled,
input[type=search]:disabled,
input[type=submit]:disabled,
input[type=tel]:disabled,
input[type=text]:disabled,
input[type=time]:disabled,
input[type=url]:disabled,
input[type=week]:disabled,
select:disabled,
textarea:disabled {
color: rgb(128, 128, 128);
background: rgb(240, 240, 240);
}
input[type=button]:active,
input[type=color]:active,
input[type=reset]:active,
input[type=submit]:active,
select:active {
border-bottom-width: 1px;
margin-top: 3px;
}
:root:not(.noVNC_touch) input[type=button]:hover:not(:disabled),
:root:not(.noVNC_touch) input[type=color]:hover:not(:disabled),
:root:not(.noVNC_touch) input[type=reset]:hover:not(:disabled),
:root:not(.noVNC_touch) input[type=submit]:hover:not(:disabled),
:root:not(.noVNC_touch) select:hover:not(:disabled) {
background: linear-gradient(to top, rgb(255, 255, 255), rgb(250, 250, 250));
}
/* ----------------------------------------
* WebKit centering hacks
* ----------------------------------------
@ -242,13 +117,15 @@ select:active {
pointer-events: auto;
}
.noVNC_vcenter {
display: flex;
display: flex !important;
flex-direction: column;
justify-content: center;
position: fixed;
top: 0;
left: 0;
height: 100%;
margin: 0 !important;
padding: 0 !important;
pointer-events: none;
}
.noVNC_vcenter > * {
@ -272,13 +149,20 @@ select:active {
#noVNC_fallback_error {
z-index: 1000;
visibility: hidden;
/* Put a dark background in front of everything but the error,
and don't let mouse events pass through */
background: rgba(0, 0, 0, 0.8);
pointer-events: all;
}
#noVNC_fallback_error.noVNC_open {
visibility: visible;
}
#noVNC_fallback_error > div {
max-width: 90%;
max-width: calc(100vw - 30px - 30px);
max-height: calc(100vh - 30px - 30px);
overflow: auto;
padding: 15px;
transition: 0.5s ease-in-out;
@ -317,7 +201,6 @@ select:active {
}
#noVNC_fallback_error .noVNC_stack {
max-height: 50vh;
padding: 10px;
margin: 10px;
font-size: 0.8em;
@ -361,6 +244,9 @@ select:active {
background-color: rgb(110, 132, 163);
border-radius: 0 10px 10px 0;
user-select: none;
-webkit-user-select: none;
-webkit-touch-callout: none; /* Disable iOS image long-press popup */
}
#noVNC_control_bar.noVNC_open {
box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.5);
@ -433,38 +319,50 @@ select:active {
.noVNC_right #noVNC_control_bar.noVNC_open #noVNC_control_bar_handle:after {
transform: none;
}
/* Larger touch area for the handle, used when a touch screen is available */
#noVNC_control_bar_handle div {
position: absolute;
right: -35px;
top: 0;
width: 50px;
height: 50px;
}
:root:not(.noVNC_touch) #noVNC_control_bar_handle div {
height: 100%;
display: none;
}
@media (any-pointer: coarse) {
#noVNC_control_bar_handle div {
display: initial;
}
}
.noVNC_right #noVNC_control_bar_handle div {
left: -35px;
right: auto;
}
#noVNC_control_bar .noVNC_scroll {
#noVNC_control_bar > .noVNC_scroll {
max-height: 100vh; /* Chrome is buggy with 100% */
overflow-x: hidden;
overflow-y: auto;
padding: 0 10px 0 5px;
padding: 0 10px;
}
.noVNC_right #noVNC_control_bar .noVNC_scroll {
padding: 0 5px 0 10px;
#noVNC_control_bar > .noVNC_scroll > * {
display: block;
margin: 10px auto;
}
/* Control bar hint */
#noVNC_control_bar_hint {
#noVNC_hint_anchor {
position: fixed;
left: calc(100vw - 50px);
right: -50px;
left: auto;
}
#noVNC_control_bar_anchor.noVNC_right + #noVNC_hint_anchor {
left: -50px;
right: auto;
top: 50%;
transform: translateY(-50%) scale(0);
}
#noVNC_control_bar_hint {
position: relative;
transform: scale(0);
width: 100px;
height: 50%;
max-height: 600px;
@ -477,61 +375,65 @@ select:active {
border-radius: 10px;
transition-delay: 0s;
}
#noVNC_control_bar_anchor.noVNC_right #noVNC_control_bar_hint{
left: auto;
right: calc(100vw - 50px);
}
#noVNC_control_bar_hint.noVNC_active {
visibility: visible;
opacity: 1;
transition-delay: 0.2s;
transform: translateY(-50%) scale(1);
transform: scale(1);
}
#noVNC_control_bar_hint.noVNC_notransition {
transition: none !important;
}
/* General button style */
.noVNC_button {
display: block;
/* Control bar buttons */
#noVNC_control_bar .noVNC_button {
padding: 4px 4px;
margin: 10px 0;
vertical-align: middle;
border:1px solid rgba(255, 255, 255, 0.2);
border-radius: 6px;
background-color: transparent;
background-image: unset; /* we don't want the gradiant from input.css */
}
.noVNC_button.noVNC_selected {
#noVNC_control_bar .noVNC_button.noVNC_selected {
border-color: rgba(0, 0, 0, 0.8);
background: rgba(0, 0, 0, 0.5);
background-color: rgba(0, 0, 0, 0.5);
}
.noVNC_button:disabled {
opacity: 0.4;
#noVNC_control_bar .noVNC_button.noVNC_selected:not(:disabled):hover {
border-color: rgba(0, 0, 0, 0.4);
background-color: rgba(0, 0, 0, 0.2);
}
.noVNC_button:focus {
outline: none;
#noVNC_control_bar .noVNC_button:not(:disabled):hover {
background-color: rgba(255, 255, 255, 0.2);
}
.noVNC_button:active {
#noVNC_control_bar .noVNC_button:not(:disabled):active {
padding-top: 5px;
padding-bottom: 3px;
}
/* Android browsers don't properly update hover state if touch events
* are intercepted, but focus should be safe to display */
:root:not(.noVNC_touch) .noVNC_button.noVNC_selected:hover,
.noVNC_button.noVNC_selected:focus {
border-color: rgba(0, 0, 0, 0.4);
background: rgba(0, 0, 0, 0.2);
#noVNC_control_bar .noVNC_button.noVNC_hidden {
display: none !important;
}
:root:not(.noVNC_touch) .noVNC_button:hover,
.noVNC_button:focus {
background: rgba(255, 255, 255, 0.2);
}
.noVNC_button.noVNC_hidden {
display: none;
/* Android browsers don't properly update hover state if touch events are
* intercepted, like they are when clicking on the remote screen. */
@media (any-pointer: coarse) {
#noVNC_control_bar .noVNC_button:not(:disabled):hover {
background-color: transparent;
}
#noVNC_control_bar .noVNC_button.noVNC_selected:not(:disabled):hover {
border-color: rgba(0, 0, 0, 0.8);
background-color: rgba(0, 0, 0, 0.5);
}
}
/* Panels */
.noVNC_panel {
transform: translateX(25px);
transition: 0.5s ease-in-out;
box-sizing: border-box; /* so max-width don't have to care about padding */
max-width: calc(100vw - 75px - 25px); /* minus left and right margins */
max-height: 100vh; /* Chrome is buggy with 100% */
overflow-x: hidden;
overflow-y: auto;
@ -563,6 +465,17 @@ select:active {
transform: translateX(-75px);
}
.noVNC_panel > * {
display: block;
margin: 10px auto;
}
.noVNC_panel > *:first-child {
margin-top: 0 !important;
}
.noVNC_panel > *:last-child {
margin-bottom: 0 !important;
}
.noVNC_panel hr {
border: none;
border-top: 1px solid rgb(192, 192, 192);
@ -571,6 +484,11 @@ select:active {
.noVNC_panel label {
display: block;
white-space: nowrap;
margin: 5px;
}
.noVNC_panel li {
margin: 5px;
}
.noVNC_panel .noVNC_heading {
@ -581,7 +499,6 @@ select:active {
padding-right: 8px;
color: white;
font-size: 20px;
margin-bottom: 10px;
white-space: nowrap;
}
.noVNC_panel .noVNC_heading img {
@ -622,6 +539,12 @@ select:active {
font-size: 13px;
}
.noVNC_logo + hr {
/* Remove all but top border */
border: none;
border-top: 1px solid rgba(255, 255, 255, 0.2);
}
:root:not(.noVNC_connected) #noVNC_view_drag_button {
display: none;
}
@ -630,8 +553,15 @@ select:active {
:root:not(.noVNC_connected) #noVNC_mobile_buttons {
display: none;
}
:root:not(.noVNC_touch) #noVNC_mobile_buttons {
display: none;
@media not all and (any-pointer: coarse) {
/* FIXME: The button for the virtual keyboard is the only button in this
group of "mobile buttons". It is bad to assume that no touch
devices have physical keyboards available. Hopefully we can get
a media query for this:
https://github.com/w3c/csswg-drafts/issues/3871 */
:root.noVNC_connected #noVNC_mobile_buttons {
display: none;
}
}
/* Extra manual keys */
@ -642,7 +572,7 @@ select:active {
#noVNC_modifiers {
background-color: rgb(92, 92, 92);
border: none;
padding: 0 10px;
padding: 10px;
}
/* Shutdown/Reboot */
@ -663,13 +593,16 @@ select:active {
:root:not(.noVNC_connected) #noVNC_clipboard_button {
display: none;
}
#noVNC_clipboard {
/* Full screen, minus padding and left and right margins */
max-width: calc(100vw - 2*15px - 75px - 25px);
}
#noVNC_clipboard_text {
width: 500px;
width: 360px;
min-width: 150px;
height: 160px;
min-height: 70px;
box-sizing: border-box;
max-width: 100%;
/* minus approximate height of title, height of subtitle, and margin */
max-height: calc(100vh - 10em - 25px);
}
/* Settings */
@ -677,7 +610,6 @@ select:active {
}
#noVNC_settings ul {
list-style: none;
margin: 0px;
padding: 0px;
}
#noVNC_setting_port {
@ -803,36 +735,32 @@ select:active {
font-size: calc(25vw - 30px);
}
}
#noVNC_connect_button {
cursor: pointer;
#noVNC_connect_dlg div {
padding: 12px;
padding: 10px;
color: white;
background-color: rgb(110, 132, 163);
border-radius: 12px;
text-align: center;
font-size: 20px;
box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.5);
}
#noVNC_connect_button div {
margin: 2px;
#noVNC_connect_button {
width: 100%;
padding: 5px 30px;
border: 1px solid rgb(83, 99, 122);
border-bottom-width: 2px;
cursor: pointer;
border-color: rgb(83, 99, 122);
border-radius: 5px;
background: linear-gradient(to top, rgb(110, 132, 163), rgb(99, 119, 147));
color: white;
/* This avoids it jumping around when :active */
vertical-align: middle;
}
#noVNC_connect_button div:active {
border-bottom-width: 1px;
margin-top: 3px;
}
:root:not(.noVNC_touch) #noVNC_connect_button div:hover {
#noVNC_connect_button:hover {
background: linear-gradient(to top, rgb(110, 132, 163), rgb(105, 125, 155));
}
@ -841,6 +769,23 @@ select:active {
height: 1.3em;
}
/* ----------------------------------------
* Server verification Dialog
* ----------------------------------------
*/
#noVNC_verify_server_dlg {
position: relative;
transform: translateY(-50px);
}
#noVNC_verify_server_dlg.noVNC_open {
transform: translateY(0);
}
#noVNC_fingerprint_block {
margin: 10px;
}
/* ----------------------------------------
* Password Dialog
* ----------------------------------------
@ -854,12 +799,8 @@ select:active {
#noVNC_credentials_dlg.noVNC_open {
transform: translateY(0);
}
#noVNC_credentials_dlg ul {
list-style: none;
margin: 0px;
padding: 0px;
}
.noVNC_hidden {
#noVNC_username_block.noVNC_hidden,
#noVNC_password_block.noVNC_hidden {
display: none;
}
@ -871,7 +812,11 @@ select:active {
/* Transition screen */
#noVNC_transition {
display: none;
transition: 0.5s ease-in-out;
display: flex;
opacity: 0;
visibility: hidden;
position: fixed;
top: 0;
@ -892,7 +837,8 @@ select:active {
:root.noVNC_connecting #noVNC_transition,
:root.noVNC_disconnecting #noVNC_transition,
:root.noVNC_reconnecting #noVNC_transition {
display: flex;
opacity: 1;
visibility: visible;
}
:root:not(.noVNC_reconnecting) #noVNC_cancel_reconnect_button {
display: none;
@ -908,6 +854,12 @@ select:active {
background-color: #313131;
border-bottom-right-radius: 800px 600px;
/*border-top-left-radius: 800px 600px;*/
/* If selection isn't disabled, long-pressing stuff in the sidebar
can accidentally select the container or the canvas. This can
happen when attempting to move the handle. */
user-select: none;
-webkit-user-select: none;
}
#noVNC_keyboardinput {

View File

@ -0,0 +1,281 @@
/*
* noVNC general input element CSS
* Copyright (C) 2022 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).
*/
/*
* Common for all inputs
*/
input, input::file-selector-button, button, select, textarea {
/* Respect standard font settings */
font: inherit;
/* Disable default rendering */
appearance: none;
background: none;
padding: 5px;
border: 1px solid rgb(192, 192, 192);
border-radius: 5px;
color: black;
--bg-gradient: linear-gradient(to top, rgb(255, 255, 255) 80%, rgb(240, 240, 240));
background-image: var(--bg-gradient);
}
/*
* Buttons
*/
input[type=button],
input[type=color],
input[type=image],
input[type=reset],
input[type=submit],
input::file-selector-button,
button,
select {
border-bottom-width: 2px;
/* This avoids it jumping around when :active */
vertical-align: middle;
margin-top: 0;
padding-left: 20px;
padding-right: 20px;
/* Disable Chrome's touch tap highlight */
-webkit-tap-highlight-color: transparent;
}
/*
* Select dropdowns
*/
select {
--select-arrow: url('data:image/svg+xml;utf8, \
<svg width="8" height="6" version="1.1" viewBox="0 0 8 6" \
xmlns="http://www.w3.org/2000/svg"> \
<path d="m6.5 1.5 -2.5 3 -2.5 -3 5 0" stroke-width="3" \
stroke="rgb(31,31,31)" fill="none" \
stroke-linecap="round" stroke-linejoin="round" /> \
</svg>');
background-image: var(--select-arrow), var(--bg-gradient);
background-position: calc(100% - 7px), left top;
background-repeat: no-repeat;
padding-right: calc(2*7px + 8px);
padding-left: 7px;
}
/* FIXME: :active isn't set when the <select> is opened in Firefox:
https://bugzilla.mozilla.org/show_bug.cgi?id=1805406 */
select:active {
/* Rotated arrow */
background-image: url('data:image/svg+xml;utf8, \
<svg width="8" height="6" version="1.1" viewBox="0 0 8 6" \
xmlns="http://www.w3.org/2000/svg" transform="rotate(180)" > \
<path d="m6.5 1.5 -2.5 3 -2.5 -3 5 0" stroke-width="3" \
stroke="rgb(31,31,31)" fill="none" \
stroke-linecap="round" stroke-linejoin="round" /> \
</svg>'), var(--bg-gradient);
}
option {
color: black;
background: white;
}
/*
* Checkboxes
*/
input[type=checkbox] {
background-color: white;
background-image: unset;
border: 1px solid dimgrey;
border-radius: 3px;
width: 13px;
height: 13px;
padding: 0;
margin-right: 6px;
vertical-align: bottom;
transition: 0.2s background-color linear;
}
input[type=checkbox]:checked {
background-color: rgb(110, 132, 163);
border-color: rgb(110, 132, 163);
}
input[type=checkbox]:checked::after {
content: "";
display: block; /* width & height doesn't work on inline elements */
position: relative;
top: 0;
left: 3px;
width: 3px;
height: 7px;
border: 1px solid white;
border-width: 0 2px 2px 0;
transform: rotate(40deg);
}
/*
* Radiobuttons
*/
input[type=radio] {
border-radius: 50%;
border: 1px solid dimgrey;
width: 12px;
height: 12px;
padding: 0;
margin-right: 6px;
transition: 0.2s border linear;
}
input[type=radio]:checked {
border: 6px solid rgb(110, 132, 163);
}
/*
* Range sliders
*/
input[type=range] {
border: unset;
border-radius: 3px;
height: 20px;
padding: 0;
background: transparent;
}
/* -webkit-slider.. & -moz-range.. cant be in selector lists:
https://bugs.chromium.org/p/chromium/issues/detail?id=1154623 */
input[type=range]::-webkit-slider-runnable-track {
background-color: rgb(110, 132, 163);
height: 6px;
border-radius: 3px;
}
input[type=range]::-moz-range-track {
background-color: rgb(110, 132, 163);
height: 6px;
border-radius: 3px;
}
input[type=range]::-webkit-slider-thumb {
appearance: none;
width: 18px;
height: 20px;
border-radius: 5px;
background-color: white;
border: 1px solid dimgray;
margin-top: -7px;
}
input[type=range]::-moz-range-thumb {
appearance: none;
width: 18px;
height: 20px;
border-radius: 5px;
background-color: white;
border: 1px solid dimgray;
margin-top: -7px;
}
/*
* File choosers
*/
input[type=file] {
background-image: none;
border: none;
}
input::file-selector-button {
margin-right: 6px;
}
/*
* Hover
*/
input[type=button]:hover,
input[type=color]:hover,
input[type=image]:hover,
input[type=reset]:hover,
input[type=submit]:hover,
input::file-selector-button:hover,
button:hover {
background-image: linear-gradient(to top, rgb(255, 255, 255), rgb(250, 250, 250));
}
select:hover {
background-image: var(--select-arrow),
linear-gradient(to top, rgb(255, 255, 255), rgb(250, 250, 250));
background-position: calc(100% - 7px), left top;
background-repeat: no-repeat;
}
@media (any-pointer: coarse) {
/* We don't want a hover style after touch input */
input[type=button]:hover,
input[type=color]:hover,
input[type=image]:hover,
input[type=reset]:hover,
input[type=submit]:hover,
input::file-selector-button:hover,
button:hover {
background-image: var(--bg-gradient);
}
select:hover {
background-image: var(--select-arrow), var(--bg-gradient);
}
}
/*
* Active (clicked)
*/
input[type=button]:active,
input[type=color]:active,
input[type=image]:active,
input[type=reset]:active,
input[type=submit]:active,
input::file-selector-button:active,
button:active,
select:active {
border-bottom-width: 1px;
margin-top: 1px;
}
/*
* Focus (tab)
*/
input:focus-visible,
input:focus-visible::file-selector-button,
button:focus-visible,
select:focus-visible,
textarea:focus-visible {
outline: 2px solid rgb(74, 144, 217);
outline-offset: 1px;
}
input[type=file]:focus-visible {
outline: none; /* We outline the button instead of the entire element */
}
/*
* Disabled
*/
input:disabled,
input:disabled::file-selector-button,
button:disabled,
select:disabled,
textarea:disabled {
opacity: 0.4;
}
input[type=button]:disabled,
input[type=color]:disabled,
input[type=image]:disabled,
input[type=reset]:disabled,
input[type=submit]:disabled,
input:disabled::file-selector-button,
button:disabled,
select:disabled {
background-image: var(--bg-gradient);
border-bottom-width: 2px;
margin-top: 0;
}
input[type=file]:disabled {
background-image: none;
}
select:disabled {
background-image: var(--select-arrow), var(--bg-gradient);
}
input[type=image]:disabled {
/* See Firefox bug:
https://bugzilla.mozilla.org/show_bug.cgi?id=1798304 */
cursor: default;
}

View File

@ -8,7 +8,8 @@
import * as Log from '../core/util/logging.js';
import _, { l10n } from './localization.js';
import { isTouchDevice, isSafari, hasScrollbarGutter, dragThreshold }
import { isTouchDevice, isMac, isIOS, isAndroid, isChromeOS, isSafari,
hasScrollbarGutter, dragThreshold }
from '../core/util/browser.js';
import { setCapture, getPointerEvent } from '../core/util/events.js';
import KeyTable from "../core/input/keysym.js";
@ -79,13 +80,19 @@ const UI = {
// Render default UI and initialize settings menu
start() {
if (urlargs.name) { document.title = urlargs.name + " - noVNC"; }
UI.initSettings();
// Translate the DOM
l10n.translateDOM();
// We rely on modern APIs which might not be available in an
// insecure context
if (!window.isSecureContext) {
// FIXME: This gets hidden when connecting
UI.showStatus(_("HTTPS is required for full functionality"), 'error');
}
// Try to fetch version number
fetch('./package.json')
.then((response) => {
if (!response.ok) {
@ -105,7 +112,6 @@ const UI = {
// Adapt the interface for touch screen devices
if (isTouchDevice) {
document.documentElement.classList.add("noVNC_touch");
// Remove the address bar
setTimeout(() => window.scrollTo(0, 1), 100);
}
@ -341,6 +347,10 @@ const UI = {
document.getElementById("noVNC_cancel_reconnect_button")
.addEventListener('click', UI.cancelReconnect);
document.getElementById("noVNC_approve_server_button")
.addEventListener('click', UI.approveServer);
document.getElementById("noVNC_reject_server_button")
.addEventListener('click', UI.rejectServer);
document.getElementById("noVNC_credentials_button")
.addEventListener('click', UI.setCredentials);
},
@ -350,8 +360,6 @@ const UI = {
.addEventListener('click', UI.toggleClipboardPanel);
document.getElementById("noVNC_clipboard_text")
.addEventListener('change', UI.clipboardSend);
document.getElementById("noVNC_clipboard_clear_button")
.addEventListener('click', UI.clipboardClear);
},
// Add a call to save settings when the element changes,
@ -470,6 +478,8 @@ const UI = {
// State change closes dialogs as they may not be relevant
// anymore
UI.closeAllPanels();
document.getElementById('noVNC_verify_server_dlg')
.classList.remove('noVNC_open');
document.getElementById('noVNC_credentials_dlg')
.classList.remove('noVNC_open');
},
@ -602,10 +612,20 @@ const UI = {
// Consider this a movement of the handle
UI.controlbarDrag = true;
// The user has "followed" hint, let's hide it until the next drag
UI.showControlbarHint(false, false);
},
showControlbarHint(show) {
showControlbarHint(show, animate=true) {
const hint = document.getElementById('noVNC_control_bar_hint');
if (animate) {
hint.classList.remove("noVNC_notransition");
} else {
hint.classList.add("noVNC_notransition");
}
if (show) {
hint.classList.add("noVNC_active");
} else {
@ -979,11 +999,6 @@ const UI = {
Log.Debug("<< UI.clipboardReceive");
},
clipboardClear() {
document.getElementById('noVNC_clipboard_text').value = "";
UI.rfb.clipboardPasteFrom("");
},
clipboardSend() {
const text = document.getElementById('noVNC_clipboard_text').value;
Log.Debug(">> UI.clipboardSend: " + text.substr(0, 40) + "...");
@ -1039,14 +1054,19 @@ const UI = {
UI.updateVisualState('connecting');
UI.rfb = new RFB(document.getElementById('noVNC_container'), urlargs.ws,
{ shared: UI.getSetting('shared'),
repeaterID: UI.getSetting('repeaterID'),
credentials: { password: password } });
UI.rfb.addEventListener("connect", UI.connectFinished);
UI.rfb.addEventListener("disconnect", UI.disconnectFinished);
UI.rfb.addEventListener("serververification", UI.serverVerify);
UI.rfb.addEventListener("credentialsrequired", UI.credentials);
UI.rfb.addEventListener("securityfailure", UI.securityFailed);
UI.rfb.addEventListener("clippingviewport", UI.updateViewDrag);
UI.rfb.addEventListener("capabilities", UI.updatePowerButton);
UI.rfb.addEventListener("clipboard", UI.clipboardReceive);
UI.rfb.addEventListener("bell", UI.bell);
@ -1133,7 +1153,9 @@ const UI = {
} else {
UI.showStatus(_("Failed to connect to server"), 'error');
}
} else if (UI.getSetting('reconnect', false) === true && !UI.inhibitReconnect) {
}
// If reconnecting is allowed process it now
if (UI.getSetting('reconnect', false) === true && !UI.inhibitReconnect) {
UI.updateVisualState('reconnecting');
const delay = parseInt(UI.getSetting('reconnect_delay'));
@ -1144,6 +1166,7 @@ const UI = {
UI.showStatus(_("Disconnected"), 'normal');
}
UI.openControlbar();
UI.openConnectPanel();
},
@ -1165,6 +1188,37 @@ const UI = {
/* ------^-------
* /CONNECTION
* ==============
* SERVER VERIFY
* ------v------*/
async serverVerify(e) {
const type = e.detail.type;
if (type === 'RSA') {
const publickey = e.detail.publickey;
let fingerprint = await window.crypto.subtle.digest("SHA-1", publickey);
// The same fingerprint format as RealVNC
fingerprint = Array.from(new Uint8Array(fingerprint).slice(0, 8)).map(
x => x.toString(16).padStart(2, '0')).join('-');
document.getElementById('noVNC_verify_server_dlg').classList.add('noVNC_open');
document.getElementById('noVNC_fingerprint').innerHTML = fingerprint;
}
},
approveServer(e) {
e.preventDefault();
document.getElementById('noVNC_verify_server_dlg').classList.remove('noVNC_open');
UI.rfb.approveServer();
},
rejectServer(e) {
e.preventDefault();
document.getElementById('noVNC_verify_server_dlg').classList.remove('noVNC_open');
UI.disconnect();
},
/* ------^-------
* /SERVER VERIFY
* ==============
* PASSWORD
* ------v------*/
@ -1288,13 +1342,25 @@ const UI = {
const scaling = UI.getSetting('resize') === 'scale';
// Some platforms have overlay scrollbars that are difficult
// to use in our case, which means we have to force panning
// FIXME: Working scrollbars can still be annoying to use with
// touch, so we should ideally be able to have both
// panning and scrollbars at the same time
let brokenScrollbars = false;
if (!hasScrollbarGutter) {
if (isIOS() || isAndroid() || isMac() || isChromeOS()) {
brokenScrollbars = true;
}
}
if (scaling) {
// Can't be clipping if viewport is scaled to fit
UI.forceSetting('view_clip', false);
UI.rfb.clipViewport = false;
} else if (!hasScrollbarGutter) {
// Some platforms have scrollbars that are difficult
// to use in our case, so we always use our own panning
} else if (brokenScrollbars) {
UI.forceSetting('view_clip', true);
UI.rfb.clipViewport = true;
} else {
@ -1325,7 +1391,8 @@ const UI = {
const viewDragButton = document.getElementById('noVNC_view_drag_button');
if (!UI.rfb.clipViewport && UI.rfb.dragViewport) {
if ((!UI.rfb.clipViewport || !UI.rfb.clippingViewport) &&
UI.rfb.dragViewport) {
// We are no longer clipping the viewport. Make sure
// viewport drag isn't active when it can't be used.
UI.rfb.dragViewport = false;
@ -1342,6 +1409,8 @@ const UI = {
} else {
viewDragButton.classList.add("noVNC_hidden");
}
viewDragButton.disabled = !UI.rfb.clippingViewport;
},
/* ------^-------
@ -1670,9 +1739,9 @@ const UI = {
},
updateDesktopName(e) {
//UI.desktopName = e.detail.name;
// UI.desktopName = e.detail.name;
// Display the desktop name in the document title
//document.title = e.detail.name + " - " + PAGE_TITLE;
// document.title = e.detail.name + " - " + PAGE_TITLE;
},
bell(e) {
@ -1708,7 +1777,7 @@ const UI = {
};
// Set up translations
const LINGUAS = ["cs", "de", "el", "es", "fr", "ja", "ko", "nl", "pl", "pt_BR", "ru", "sv", "tr", "zh_CN", "zh_TW"];
const LINGUAS = ["cs", "de", "el", "es", "fr", "it", "ja", "ko", "nl", "pl", "pt_BR", "ru", "sv", "tr", "zh_CN", "zh_TW"];
l10n.setup(LINGUAS);
if (l10n.language === "en" || l10n.dictionary !== undefined) {
UI.prime();

View File

@ -32,7 +32,7 @@ export function initLogging(level) {
export function getQueryVar(name, defVal) {
"use strict";
const re = new RegExp('.*[?&]' + name + '=([^&#]*)'),
match = ''.concat(document.location.href, window.location.hash).match(re);
match = ''.concat(document.location.href, window.location.hash).match(re);
if (typeof defVal === 'undefined') { defVal = null; }
if (match) {
@ -46,7 +46,7 @@ export function getQueryVar(name, defVal) {
export function getHashVar(name, defVal) {
"use strict";
const re = new RegExp('.*[&#]' + name + '=([^&]*)'),
match = document.location.hash.match(re);
match = document.location.hash.match(re);
if (typeof defVal === 'undefined') { defVal = null; }
if (match) {

View File

@ -0,0 +1,141 @@
/*
* noVNC: HTML5 VNC client
* Copyright (C) 2019 The noVNC Authors
* Licensed under MPL 2.0 (see LICENSE.txt)
*
* See README.md for usage and integration instructions.
*
*/
export default class JPEGDecoder {
constructor() {
// RealVNC will reuse the quantization tables
// and Huffman tables, so we need to cache them.
this._quantTables = [];
this._huffmanTables = [];
this._cachedQuantTables = [];
this._cachedHuffmanTables = [];
this._jpegLength = 0;
this._segments = [];
}
decodeRect(x, y, width, height, sock, display, depth) {
// A rect of JPEG encodings is simply a JPEG file
if (!this._parseJPEG(sock.rQslice(0))) {
return false;
}
const data = sock.rQshiftBytes(this._jpegLength);
if (this._quantTables.length != 0 && this._huffmanTables.length != 0) {
// If there are quantization tables and Huffman tables in the JPEG
// image, we can directly render it.
display.imageRect(x, y, width, height, "image/jpeg", data);
return true;
} else {
// Otherwise we need to insert cached tables.
const sofIndex = this._segments.findIndex(
x => x[1] == 0xC0 || x[1] == 0xC2
);
if (sofIndex == -1) {
throw new Error("Illegal JPEG image without SOF");
}
let segments = this._segments.slice(0, sofIndex);
segments = segments.concat(this._quantTables.length ?
this._quantTables :
this._cachedQuantTables);
segments.push(this._segments[sofIndex]);
segments = segments.concat(this._huffmanTables.length ?
this._huffmanTables :
this._cachedHuffmanTables,
this._segments.slice(sofIndex + 1));
let length = 0;
for (let i = 0; i < segments.length; i++) {
length += segments[i].length;
}
const data = new Uint8Array(length);
length = 0;
for (let i = 0; i < segments.length; i++) {
data.set(segments[i], length);
length += segments[i].length;
}
display.imageRect(x, y, width, height, "image/jpeg", data);
return true;
}
}
_parseJPEG(buffer) {
if (this._quantTables.length != 0) {
this._cachedQuantTables = this._quantTables;
}
if (this._huffmanTables.length != 0) {
this._cachedHuffmanTables = this._huffmanTables;
}
this._quantTables = [];
this._huffmanTables = [];
this._segments = [];
let i = 0;
let bufferLength = buffer.length;
while (true) {
let j = i;
if (j + 2 > bufferLength) {
return false;
}
if (buffer[j] != 0xFF) {
throw new Error("Illegal JPEG marker received (byte: " +
buffer[j] + ")");
}
const type = buffer[j+1];
j += 2;
if (type == 0xD9) {
this._jpegLength = j;
this._segments.push(buffer.slice(i, j));
return true;
} else if (type == 0xDA) {
// start of scan
let hasFoundEndOfScan = false;
for (let k = j + 3; k + 1 < bufferLength; k++) {
if (buffer[k] == 0xFF && buffer[k+1] != 0x00 &&
!(buffer[k+1] >= 0xD0 && buffer[k+1] <= 0xD7)) {
j = k;
hasFoundEndOfScan = true;
break;
}
}
if (!hasFoundEndOfScan) {
return false;
}
this._segments.push(buffer.slice(i, j));
i = j;
continue;
} else if (type >= 0xD0 && type < 0xD9 || type == 0x01) {
// No length after marker
this._segments.push(buffer.slice(i, j));
i = j;
continue;
}
if (j + 2 > bufferLength) {
return false;
}
const length = (buffer[j] << 8) + buffer[j+1] - 2;
if (length < 0) {
throw new Error("Illegal JPEG length received (length: " +
length + ")");
}
j += 2;
if (j + length > bufferLength) {
return false;
}
j += length;
const segment = buffer.slice(i, j);
if (type == 0xC4) {
// Huffman tables
this._huffmanTables.push(segment);
} else if (type == 0xDB) {
// Quantization tables
this._quantTables.push(segment);
}
this._segments.push(segment);
i = j;
}
}
}

View File

@ -51,7 +51,7 @@ export default class RawDecoder {
// Max sure the image is fully opaque
for (let i = 0; i < pixels; i++) {
data[i * 4 + 3] = 255;
data[index + i * 4 + 3] = 255;
}
display.blitImage(x, curY, width, currHeight, data, index);

View File

@ -0,0 +1,185 @@
/*
* noVNC: HTML5 VNC client
* Copyright (C) 2021 The noVNC Authors
* Licensed under MPL 2.0 (see LICENSE.txt)
*
* See README.md for usage and integration instructions.
*
*/
import Inflate from "../inflator.js";
const ZRLE_TILE_WIDTH = 64;
const ZRLE_TILE_HEIGHT = 64;
export default class ZRLEDecoder {
constructor() {
this._length = 0;
this._inflator = new Inflate();
this._pixelBuffer = new Uint8Array(ZRLE_TILE_WIDTH * ZRLE_TILE_HEIGHT * 4);
this._tileBuffer = new Uint8Array(ZRLE_TILE_WIDTH * ZRLE_TILE_HEIGHT * 4);
}
decodeRect(x, y, width, height, sock, display, depth) {
if (this._length === 0) {
if (sock.rQwait("ZLib data length", 4)) {
return false;
}
this._length = sock.rQshift32();
}
if (sock.rQwait("Zlib data", this._length)) {
return false;
}
const data = sock.rQshiftBytes(this._length);
this._inflator.setInput(data);
for (let ty = y; ty < y + height; ty += ZRLE_TILE_HEIGHT) {
let th = Math.min(ZRLE_TILE_HEIGHT, y + height - ty);
for (let tx = x; tx < x + width; tx += ZRLE_TILE_WIDTH) {
let tw = Math.min(ZRLE_TILE_WIDTH, x + width - tx);
const tileSize = tw * th;
const subencoding = this._inflator.inflate(1)[0];
if (subencoding === 0) {
// raw data
const data = this._readPixels(tileSize);
display.blitImage(tx, ty, tw, th, data, 0, false);
} else if (subencoding === 1) {
// solid
const background = this._readPixels(1);
display.fillRect(tx, ty, tw, th, [background[0], background[1], background[2]]);
} else if (subencoding >= 2 && subencoding <= 16) {
const data = this._decodePaletteTile(subencoding, tileSize, tw, th);
display.blitImage(tx, ty, tw, th, data, 0, false);
} else if (subencoding === 128) {
const data = this._decodeRLETile(tileSize);
display.blitImage(tx, ty, tw, th, data, 0, false);
} else if (subencoding >= 130 && subencoding <= 255) {
const data = this._decodeRLEPaletteTile(subencoding - 128, tileSize);
display.blitImage(tx, ty, tw, th, data, 0, false);
} else {
throw new Error('Unknown subencoding: ' + subencoding);
}
}
}
this._length = 0;
return true;
}
_getBitsPerPixelInPalette(paletteSize) {
if (paletteSize <= 2) {
return 1;
} else if (paletteSize <= 4) {
return 2;
} else if (paletteSize <= 16) {
return 4;
}
}
_readPixels(pixels) {
let data = this._pixelBuffer;
const buffer = this._inflator.inflate(3*pixels);
for (let i = 0, j = 0; i < pixels*4; i += 4, j += 3) {
data[i] = buffer[j];
data[i + 1] = buffer[j + 1];
data[i + 2] = buffer[j + 2];
data[i + 3] = 255; // Add the Alpha
}
return data;
}
_decodePaletteTile(paletteSize, tileSize, tilew, tileh) {
const data = this._tileBuffer;
const palette = this._readPixels(paletteSize);
const bitsPerPixel = this._getBitsPerPixelInPalette(paletteSize);
const mask = (1 << bitsPerPixel) - 1;
let offset = 0;
let encoded = this._inflator.inflate(1)[0];
for (let y=0; y<tileh; y++) {
let shift = 8-bitsPerPixel;
for (let x=0; x<tilew; x++) {
if (shift<0) {
shift=8-bitsPerPixel;
encoded = this._inflator.inflate(1)[0];
}
let indexInPalette = (encoded>>shift) & mask;
data[offset] = palette[indexInPalette * 4];
data[offset + 1] = palette[indexInPalette * 4 + 1];
data[offset + 2] = palette[indexInPalette * 4 + 2];
data[offset + 3] = palette[indexInPalette * 4 + 3];
offset += 4;
shift-=bitsPerPixel;
}
if (shift<8-bitsPerPixel && y<tileh-1) {
encoded = this._inflator.inflate(1)[0];
}
}
return data;
}
_decodeRLETile(tileSize) {
const data = this._tileBuffer;
let i = 0;
while (i < tileSize) {
const pixel = this._readPixels(1);
const length = this._readRLELength();
for (let j = 0; j < length; j++) {
data[i * 4] = pixel[0];
data[i * 4 + 1] = pixel[1];
data[i * 4 + 2] = pixel[2];
data[i * 4 + 3] = pixel[3];
i++;
}
}
return data;
}
_decodeRLEPaletteTile(paletteSize, tileSize) {
const data = this._tileBuffer;
// palette
const palette = this._readPixels(paletteSize);
let offset = 0;
while (offset < tileSize) {
let indexInPalette = this._inflator.inflate(1)[0];
let length = 1;
if (indexInPalette >= 128) {
indexInPalette -= 128;
length = this._readRLELength();
}
if (indexInPalette > paletteSize) {
throw new Error('Too big index in palette: ' + indexInPalette + ', palette size: ' + paletteSize);
}
if (offset + length > tileSize) {
throw new Error('Too big rle length in palette mode: ' + length + ', allowed length is: ' + (tileSize - offset));
}
for (let j = 0; j < length; j++) {
data[offset * 4] = palette[indexInPalette * 4];
data[offset * 4 + 1] = palette[indexInPalette * 4 + 1];
data[offset * 4 + 2] = palette[indexInPalette * 4 + 2];
data[offset * 4 + 3] = palette[indexInPalette * 4 + 3];
offset++;
}
}
return data;
}
_readRLELength() {
let length = 0;
let current = 0;
do {
current = this._inflator.inflate(1)[0];
length += current;
} while (current === 255);
return length + 1;
}
}

View File

@ -81,7 +81,7 @@
const PC2 = [13,16,10,23, 0, 4, 2,27,14, 5,20, 9,22,18,11, 3,
25, 7,15, 6,26,19,12, 1,40,51,30,36,46,54,29,39,
50,44,32,47,43,48,38,55,33,52,45,41,49,35,28,31 ],
totrot = [ 1, 2, 4, 6, 8,10,12,14,15,17,19,21,23,25,27,28];
totrot = [ 1, 2, 4, 6, 8,10,12,14,15,17,19,21,23,25,27,28];
const z = 0x0;
let a,b,c,d,e,f;

View File

@ -224,6 +224,18 @@ export default class Display {
this.viewportChangePos(0, 0);
}
getImageData() {
return this._drawCtx.getImageData(0, 0, this.width, this.height);
}
toDataURL(type, encoderOptions) {
return this._backbuffer.toDataURL(type, encoderOptions);
}
toBlob(callback, type, quality) {
return this._backbuffer.toBlob(callback, type, quality);
}
// Track what parts of the visible canvas that need updating
_damage(x, y, w, h) {
if (x < this._damageBounds.left) {

View File

@ -12,7 +12,9 @@ export const encodings = {
encodingRRE: 2,
encodingHextile: 5,
encodingTight: 7,
encodingZRLE: 16,
encodingTightPNG: -260,
encodingJPEG: 21,
pseudoEncodingQualityLevel9: -23,
pseudoEncodingQualityLevel0: -32,
@ -38,7 +40,9 @@ export function encodingName(num) {
case encodings.encodingRRE: return "RRE";
case encodings.encodingHextile: return "Hextile";
case encodings.encodingTight: return "Tight";
case encodings.encodingZRLE: return "ZRLE";
case encodings.encodingTightPNG: return "TightPNG";
case encodings.encodingJPEG: return "JPEG";
default: return "[unknown encoding " + num + "]";
}
}

View File

@ -153,6 +153,16 @@ export default class Keyboard {
keysym = this._keyDownList[code];
}
// macOS doesn't send proper key releases if a key is pressed
// while meta is held down
if ((browser.isMac() || browser.isIOS()) &&
(e.metaKey && code !== 'MetaLeft' && code !== 'MetaRight')) {
this._sendKeyEvent(keysym, code, true);
this._sendKeyEvent(keysym, code, false);
stopEvent(e);
return;
}
// macOS doesn't send proper key events for modifiers, only
// state change events. That gets extra confusing for CapsLock
// which toggles on each press, but not on release. So pretend

567
public/novnc/core/ra2.js Normal file
View File

@ -0,0 +1,567 @@
import Base64 from './base64.js';
import { encodeUTF8 } from './util/strings.js';
import EventTargetMixin from './util/eventtarget.js';
export class AESEAXCipher {
constructor() {
this._rawKey = null;
this._ctrKey = null;
this._cbcKey = null;
this._zeroBlock = new Uint8Array(16);
this._prefixBlock0 = this._zeroBlock;
this._prefixBlock1 = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]);
this._prefixBlock2 = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2]);
}
async _encryptBlock(block) {
const encrypted = await window.crypto.subtle.encrypt({
name: "AES-CBC",
iv: this._zeroBlock,
}, this._cbcKey, block);
return new Uint8Array(encrypted).slice(0, 16);
}
async _initCMAC() {
const k1 = await this._encryptBlock(this._zeroBlock);
const k2 = new Uint8Array(16);
const v = k1[0] >>> 6;
for (let i = 0; i < 15; i++) {
k2[i] = (k1[i + 1] >> 6) | (k1[i] << 2);
k1[i] = (k1[i + 1] >> 7) | (k1[i] << 1);
}
const lut = [0x0, 0x87, 0x0e, 0x89];
k2[14] ^= v >>> 1;
k2[15] = (k1[15] << 2) ^ lut[v];
k1[15] = (k1[15] << 1) ^ lut[v >> 1];
this._k1 = k1;
this._k2 = k2;
}
async _encryptCTR(data, counter) {
const encrypted = await window.crypto.subtle.encrypt({
"name": "AES-CTR",
counter: counter,
length: 128
}, this._ctrKey, data);
return new Uint8Array(encrypted);
}
async _decryptCTR(data, counter) {
const decrypted = await window.crypto.subtle.decrypt({
"name": "AES-CTR",
counter: counter,
length: 128
}, this._ctrKey, data);
return new Uint8Array(decrypted);
}
async _computeCMAC(data, prefixBlock) {
if (prefixBlock.length !== 16) {
return null;
}
const n = Math.floor(data.length / 16);
const m = Math.ceil(data.length / 16);
const r = data.length - n * 16;
const cbcData = new Uint8Array((m + 1) * 16);
cbcData.set(prefixBlock);
cbcData.set(data, 16);
if (r === 0) {
for (let i = 0; i < 16; i++) {
cbcData[n * 16 + i] ^= this._k1[i];
}
} else {
cbcData[(n + 1) * 16 + r] = 0x80;
for (let i = 0; i < 16; i++) {
cbcData[(n + 1) * 16 + i] ^= this._k2[i];
}
}
let cbcEncrypted = await window.crypto.subtle.encrypt({
name: "AES-CBC",
iv: this._zeroBlock,
}, this._cbcKey, cbcData);
cbcEncrypted = new Uint8Array(cbcEncrypted);
const mac = cbcEncrypted.slice(cbcEncrypted.length - 32, cbcEncrypted.length - 16);
return mac;
}
async setKey(key) {
this._rawKey = key;
this._ctrKey = await window.crypto.subtle.importKey(
"raw", key, {"name": "AES-CTR"}, false, ["encrypt", "decrypt"]);
this._cbcKey = await window.crypto.subtle.importKey(
"raw", key, {"name": "AES-CBC"}, false, ["encrypt", "decrypt"]);
await this._initCMAC();
}
async encrypt(message, associatedData, nonce) {
const nCMAC = await this._computeCMAC(nonce, this._prefixBlock0);
const encrypted = await this._encryptCTR(message, nCMAC);
const adCMAC = await this._computeCMAC(associatedData, this._prefixBlock1);
const mac = await this._computeCMAC(encrypted, this._prefixBlock2);
for (let i = 0; i < 16; i++) {
mac[i] ^= nCMAC[i] ^ adCMAC[i];
}
const res = new Uint8Array(16 + encrypted.length);
res.set(encrypted);
res.set(mac, encrypted.length);
return res;
}
async decrypt(encrypted, associatedData, nonce, mac) {
const nCMAC = await this._computeCMAC(nonce, this._prefixBlock0);
const adCMAC = await this._computeCMAC(associatedData, this._prefixBlock1);
const computedMac = await this._computeCMAC(encrypted, this._prefixBlock2);
for (let i = 0; i < 16; i++) {
computedMac[i] ^= nCMAC[i] ^ adCMAC[i];
}
if (computedMac.length !== mac.length) {
return null;
}
for (let i = 0; i < mac.length; i++) {
if (computedMac[i] !== mac[i]) {
return null;
}
}
const res = await this._decryptCTR(encrypted, nCMAC);
return res;
}
}
export class RA2Cipher {
constructor() {
this._cipher = new AESEAXCipher();
this._counter = new Uint8Array(16);
}
async setKey(key) {
await this._cipher.setKey(key);
}
async makeMessage(message) {
const ad = new Uint8Array([(message.length & 0xff00) >>> 8, message.length & 0xff]);
const encrypted = await this._cipher.encrypt(message, ad, this._counter);
for (let i = 0; i < 16 && this._counter[i]++ === 255; i++);
const res = new Uint8Array(message.length + 2 + 16);
res.set(ad);
res.set(encrypted, 2);
return res;
}
async receiveMessage(length, encrypted, mac) {
const ad = new Uint8Array([(length & 0xff00) >>> 8, length & 0xff]);
const res = await this._cipher.decrypt(encrypted, ad, this._counter, mac);
for (let i = 0; i < 16 && this._counter[i]++ === 255; i++);
return res;
}
}
export class RSACipher {
constructor(keyLength) {
this._key = null;
this._keyLength = keyLength;
this._keyBytes = Math.ceil(keyLength / 8);
this._n = null;
this._e = null;
this._d = null;
this._nBigInt = null;
this._eBigInt = null;
this._dBigInt = null;
}
_base64urlDecode(data) {
data = data.replace(/-/g, "+").replace(/_/g, "/");
data = data.padEnd(Math.ceil(data.length / 4) * 4, "=");
return Base64.decode(data);
}
_u8ArrayToBigInt(arr) {
let hex = '0x';
for (let i = 0; i < arr.length; i++) {
hex += arr[i].toString(16).padStart(2, '0');
}
return BigInt(hex);
}
_padArray(arr, length) {
const res = new Uint8Array(length);
res.set(arr, length - arr.length);
return res;
}
_bigIntToU8Array(bigint, padLength=0) {
let hex = bigint.toString(16);
if (padLength === 0) {
padLength = Math.ceil(hex.length / 2) * 2;
}
hex = hex.padStart(padLength * 2, '0');
const length = hex.length / 2;
const arr = new Uint8Array(length);
for (let i = 0; i < length; i++) {
arr[i] = parseInt(hex.slice(i * 2, i * 2 + 2), 16);
}
return arr;
}
_modPow(b, e, m) {
if (m === 1n) {
return 0;
}
let r = 1n;
b = b % m;
while (e > 0) {
if (e % 2n === 1n) {
r = (r * b) % m;
}
e = e / 2n;
b = (b * b) % m;
}
return r;
}
async generateKey() {
this._key = await window.crypto.subtle.generateKey(
{
name: "RSA-OAEP",
modulusLength: this._keyLength,
publicExponent: new Uint8Array([0x01, 0x00, 0x01]),
hash: {name: "SHA-256"},
},
true, ["encrypt", "decrypt"]);
const privateKey = await window.crypto.subtle.exportKey("jwk", this._key.privateKey);
this._n = this._padArray(this._base64urlDecode(privateKey.n), this._keyBytes);
this._nBigInt = this._u8ArrayToBigInt(this._n);
this._e = this._padArray(this._base64urlDecode(privateKey.e), this._keyBytes);
this._eBigInt = this._u8ArrayToBigInt(this._e);
this._d = this._padArray(this._base64urlDecode(privateKey.d), this._keyBytes);
this._dBigInt = this._u8ArrayToBigInt(this._d);
}
setPublicKey(n, e) {
if (n.length !== this._keyBytes || e.length !== this._keyBytes) {
return;
}
this._n = new Uint8Array(this._keyBytes);
this._e = new Uint8Array(this._keyBytes);
this._n.set(n);
this._e.set(e);
this._nBigInt = this._u8ArrayToBigInt(this._n);
this._eBigInt = this._u8ArrayToBigInt(this._e);
}
encrypt(message) {
if (message.length > this._keyBytes - 11) {
return null;
}
const ps = new Uint8Array(this._keyBytes - message.length - 3);
window.crypto.getRandomValues(ps);
for (let i = 0; i < ps.length; i++) {
ps[i] = Math.floor(ps[i] * 254 / 255 + 1);
}
const em = new Uint8Array(this._keyBytes);
em[1] = 0x02;
em.set(ps, 2);
em.set(message, ps.length + 3);
const emBigInt = this._u8ArrayToBigInt(em);
const c = this._modPow(emBigInt, this._eBigInt, this._nBigInt);
return this._bigIntToU8Array(c, this._keyBytes);
}
decrypt(message) {
if (message.length !== this._keyBytes) {
return null;
}
const msgBigInt = this._u8ArrayToBigInt(message);
const emBigInt = this._modPow(msgBigInt, this._dBigInt, this._nBigInt);
const em = this._bigIntToU8Array(emBigInt, this._keyBytes);
if (em[0] !== 0x00 || em[1] !== 0x02) {
return null;
}
let i = 2;
for (; i < em.length; i++) {
if (em[i] === 0x00) {
break;
}
}
if (i === em.length) {
return null;
}
return em.slice(i + 1, em.length);
}
get keyLength() {
return this._keyLength;
}
get n() {
return this._n;
}
get e() {
return this._e;
}
get d() {
return this._d;
}
}
export default class RSAAESAuthenticationState extends EventTargetMixin {
constructor(sock, getCredentials) {
super();
this._hasStarted = false;
this._checkSock = null;
this._checkCredentials = null;
this._approveServerResolve = null;
this._sockReject = null;
this._credentialsReject = null;
this._approveServerReject = null;
this._sock = sock;
this._getCredentials = getCredentials;
}
_waitSockAsync(len) {
return new Promise((resolve, reject) => {
const hasData = () => !this._sock.rQwait('RA2', len);
if (hasData()) {
resolve();
} else {
this._checkSock = () => {
if (hasData()) {
resolve();
this._checkSock = null;
this._sockReject = null;
}
};
this._sockReject = reject;
}
});
}
_waitApproveKeyAsync() {
return new Promise((resolve, reject) => {
this._approveServerResolve = resolve;
this._approveServerReject = reject;
});
}
_waitCredentialsAsync(subtype) {
const hasCredentials = () => {
if (subtype === 1 && this._getCredentials().username !== undefined &&
this._getCredentials().password !== undefined) {
return true;
} else if (subtype === 2 && this._getCredentials().password !== undefined) {
return true;
}
return false;
};
return new Promise((resolve, reject) => {
if (hasCredentials()) {
resolve();
} else {
this._checkCredentials = () => {
if (hasCredentials()) {
resolve();
this._checkCredentials = null;
this._credentialsReject = null;
}
};
this._credentialsReject = reject;
}
});
}
checkInternalEvents() {
if (this._checkSock !== null) {
this._checkSock();
}
if (this._checkCredentials !== null) {
this._checkCredentials();
}
}
approveServer() {
if (this._approveServerResolve !== null) {
this._approveServerResolve();
this._approveServerResolve = null;
}
}
disconnect() {
if (this._sockReject !== null) {
this._sockReject(new Error("disconnect normally"));
this._sockReject = null;
}
if (this._credentialsReject !== null) {
this._credentialsReject(new Error("disconnect normally"));
this._credentialsReject = null;
}
if (this._approveServerReject !== null) {
this._approveServerReject(new Error("disconnect normally"));
this._approveServerReject = null;
}
}
async negotiateRA2neAuthAsync() {
this._hasStarted = true;
// 1: Receive server public key
await this._waitSockAsync(4);
const serverKeyLengthBuffer = this._sock.rQslice(0, 4);
const serverKeyLength = this._sock.rQshift32();
if (serverKeyLength < 1024) {
throw new Error("RA2: server public key is too short: " + serverKeyLength);
} else if (serverKeyLength > 8192) {
throw new Error("RA2: server public key is too long: " + serverKeyLength);
}
const serverKeyBytes = Math.ceil(serverKeyLength / 8);
await this._waitSockAsync(serverKeyBytes * 2);
const serverN = this._sock.rQshiftBytes(serverKeyBytes);
const serverE = this._sock.rQshiftBytes(serverKeyBytes);
const serverRSACipher = new RSACipher(serverKeyLength);
serverRSACipher.setPublicKey(serverN, serverE);
const serverPublickey = new Uint8Array(4 + serverKeyBytes * 2);
serverPublickey.set(serverKeyLengthBuffer);
serverPublickey.set(serverN, 4);
serverPublickey.set(serverE, 4 + serverKeyBytes);
// verify server public key
this.dispatchEvent(new CustomEvent("serververification", {
detail: { type: "RSA", publickey: serverPublickey }
}));
await this._waitApproveKeyAsync();
// 2: Send client public key
const clientKeyLength = 2048;
const clientKeyBytes = Math.ceil(clientKeyLength / 8);
const clientRSACipher = new RSACipher(clientKeyLength);
await clientRSACipher.generateKey();
const clientN = clientRSACipher.n;
const clientE = clientRSACipher.e;
const clientPublicKey = new Uint8Array(4 + clientKeyBytes * 2);
clientPublicKey[0] = (clientKeyLength & 0xff000000) >>> 24;
clientPublicKey[1] = (clientKeyLength & 0xff0000) >>> 16;
clientPublicKey[2] = (clientKeyLength & 0xff00) >>> 8;
clientPublicKey[3] = clientKeyLength & 0xff;
clientPublicKey.set(clientN, 4);
clientPublicKey.set(clientE, 4 + clientKeyBytes);
this._sock.send(clientPublicKey);
// 3: Send client random
const clientRandom = new Uint8Array(16);
window.crypto.getRandomValues(clientRandom);
const clientEncryptedRandom = serverRSACipher.encrypt(clientRandom);
const clientRandomMessage = new Uint8Array(2 + serverKeyBytes);
clientRandomMessage[0] = (serverKeyBytes & 0xff00) >>> 8;
clientRandomMessage[1] = serverKeyBytes & 0xff;
clientRandomMessage.set(clientEncryptedRandom, 2);
this._sock.send(clientRandomMessage);
// 4: Receive server random
await this._waitSockAsync(2);
if (this._sock.rQshift16() !== clientKeyBytes) {
throw new Error("RA2: wrong encrypted message length");
}
const serverEncryptedRandom = this._sock.rQshiftBytes(clientKeyBytes);
const serverRandom = clientRSACipher.decrypt(serverEncryptedRandom);
if (serverRandom === null || serverRandom.length !== 16) {
throw new Error("RA2: corrupted server encrypted random");
}
// 5: Compute session keys and set ciphers
let clientSessionKey = new Uint8Array(32);
let serverSessionKey = new Uint8Array(32);
clientSessionKey.set(serverRandom);
clientSessionKey.set(clientRandom, 16);
serverSessionKey.set(clientRandom);
serverSessionKey.set(serverRandom, 16);
clientSessionKey = await window.crypto.subtle.digest("SHA-1", clientSessionKey);
clientSessionKey = new Uint8Array(clientSessionKey).slice(0, 16);
serverSessionKey = await window.crypto.subtle.digest("SHA-1", serverSessionKey);
serverSessionKey = new Uint8Array(serverSessionKey).slice(0, 16);
const clientCipher = new RA2Cipher();
await clientCipher.setKey(clientSessionKey);
const serverCipher = new RA2Cipher();
await serverCipher.setKey(serverSessionKey);
// 6: Compute and exchange hashes
let serverHash = new Uint8Array(8 + serverKeyBytes * 2 + clientKeyBytes * 2);
let clientHash = new Uint8Array(8 + serverKeyBytes * 2 + clientKeyBytes * 2);
serverHash.set(serverPublickey);
serverHash.set(clientPublicKey, 4 + serverKeyBytes * 2);
clientHash.set(clientPublicKey);
clientHash.set(serverPublickey, 4 + clientKeyBytes * 2);
serverHash = await window.crypto.subtle.digest("SHA-1", serverHash);
clientHash = await window.crypto.subtle.digest("SHA-1", clientHash);
serverHash = new Uint8Array(serverHash);
clientHash = new Uint8Array(clientHash);
this._sock.send(await clientCipher.makeMessage(clientHash));
await this._waitSockAsync(2 + 20 + 16);
if (this._sock.rQshift16() !== 20) {
throw new Error("RA2: wrong server hash");
}
const serverHashReceived = await serverCipher.receiveMessage(
20, this._sock.rQshiftBytes(20), this._sock.rQshiftBytes(16));
if (serverHashReceived === null) {
throw new Error("RA2: failed to authenticate the message");
}
for (let i = 0; i < 20; i++) {
if (serverHashReceived[i] !== serverHash[i]) {
throw new Error("RA2: wrong server hash");
}
}
// 7: Receive subtype
await this._waitSockAsync(2 + 1 + 16);
if (this._sock.rQshift16() !== 1) {
throw new Error("RA2: wrong subtype");
}
let subtype = (await serverCipher.receiveMessage(
1, this._sock.rQshiftBytes(1), this._sock.rQshiftBytes(16)));
if (subtype === null) {
throw new Error("RA2: failed to authenticate the message");
}
subtype = subtype[0];
if (subtype === 1) {
if (this._getCredentials().username === undefined ||
this._getCredentials().password === undefined) {
this.dispatchEvent(new CustomEvent(
"credentialsrequired",
{ detail: { types: ["username", "password"] } }));
}
} else if (subtype === 2) {
if (this._getCredentials().password === undefined) {
this.dispatchEvent(new CustomEvent(
"credentialsrequired",
{ detail: { types: ["password"] } }));
}
} else {
throw new Error("RA2: wrong subtype");
}
await this._waitCredentialsAsync(subtype);
let username;
if (subtype === 1) {
username = encodeUTF8(this._getCredentials().username).slice(0, 255);
} else {
username = "";
}
const password = encodeUTF8(this._getCredentials().password).slice(0, 255);
const credentials = new Uint8Array(username.length + password.length + 2);
credentials[0] = username.length;
credentials[username.length + 1] = password.length;
for (let i = 0; i < username.length; i++) {
credentials[i + 1] = username.charCodeAt(i);
}
for (let i = 0; i < password.length; i++) {
credentials[username.length + 2 + i] = password.charCodeAt(i);
}
this._sock.send(await clientCipher.makeMessage(credentials));
}
get hasStarted() {
return this._hasStarted;
}
set hasStarted(s) {
this._hasStarted = s;
}
}

View File

@ -25,6 +25,8 @@ import DES from "./des.js";
import KeyTable from "./input/keysym.js";
import XtScancode from "./input/xtscancodes.js";
import { encodings } from "./encodings.js";
import RSAAESAuthenticationState from "./ra2.js";
import { MD5 } from "./util/md5.js";
import RawDecoder from "./decoders/raw.js";
import CopyRectDecoder from "./decoders/copyrect.js";
@ -32,6 +34,8 @@ import RREDecoder from "./decoders/rre.js";
import HextileDecoder from "./decoders/hextile.js";
import TightDecoder from "./decoders/tight.js";
import TightPNGDecoder from "./decoders/tightpng.js";
import ZRLEDecoder from "./decoders/zrle.js";
import JPEGDecoder from "./decoders/jpeg.js";
// How many seconds to wait for a disconnect to finish
const DISCONNECT_TIMEOUT = 3;
@ -50,6 +54,22 @@ const GESTURE_SCRLSENS = 50;
const DOUBLE_TAP_TIMEOUT = 1000;
const DOUBLE_TAP_THRESHOLD = 50;
// Security types
const securityTypeNone = 1;
const securityTypeVNCAuth = 2;
const securityTypeRA2ne = 6;
const securityTypeTight = 16;
const securityTypeVeNCrypt = 19;
const securityTypeXVP = 22;
const securityTypeARD = 30;
const securityTypeMSLogonII = 113;
// Special Tight security types
const securityTypeUnixLogon = 129;
// VeNCrypt security types
const securityTypePlain = 256;
// Extended clipboard pseudo-encoding formats
const extendedClipboardFormatText = 1;
/*eslint-disable no-unused-vars */
@ -75,6 +95,12 @@ export default class RFB extends EventTargetMixin {
throw new Error("Must specify URL, WebSocket or RTCDataChannel");
}
// We rely on modern APIs which might not be available in an
// insecure context
if (!window.isSecureContext) {
Log.Error("noVNC requires a secure context (TLS). Expect crashes!");
}
super();
this._target = target;
@ -98,6 +124,7 @@ export default class RFB extends EventTargetMixin {
this._rfbInitState = '';
this._rfbAuthScheme = -1;
this._rfbCleanDisconnect = true;
this._rfbRSAAESAuthenticationState = null;
// Server capabilities
this._rfbVersion = 0;
@ -176,6 +203,8 @@ export default class RFB extends EventTargetMixin {
handleMouse: this._handleMouse.bind(this),
handleWheel: this._handleWheel.bind(this),
handleGesture: this._handleGesture.bind(this),
handleRSAAESCredentialsRequired: this._handleRSAAESCredentialsRequired.bind(this),
handleRSAAESServerVerification: this._handleRSAAESServerVerification.bind(this),
};
// main setup
@ -218,6 +247,8 @@ export default class RFB extends EventTargetMixin {
this._decoders[encodings.encodingHextile] = new HextileDecoder();
this._decoders[encodings.encodingTight] = new TightDecoder();
this._decoders[encodings.encodingTightPNG] = new TightPNGDecoder();
this._decoders[encodings.encodingZRLE] = new ZRLEDecoder();
this._decoders[encodings.encodingJPEG] = new JPEGDecoder();
// NB: nothing that needs explicit teardown should be done
// before this point, since this can throw an exception
@ -240,6 +271,8 @@ export default class RFB extends EventTargetMixin {
this._sock.on('message', this._handleMessage.bind(this));
this._sock.on('error', this._socketError.bind(this));
this._expectedClientWidth = null;
this._expectedClientHeight = null;
this._resizeObserver = new ResizeObserver(this._eventHandlers.handleResize);
// All prepared, kick off the connection
@ -254,6 +287,7 @@ export default class RFB extends EventTargetMixin {
this._viewOnly = false;
this._clipViewport = false;
this._clippingViewport = false;
this._scaleViewport = false;
this._resizeSession = false;
@ -285,6 +319,16 @@ export default class RFB extends EventTargetMixin {
get capabilities() { return this._capabilities; }
get clippingViewport() { return this._clippingViewport; }
_setClippingViewport(on) {
if (on === this._clippingViewport) {
return;
}
this._clippingViewport = on;
this.dispatchEvent(new CustomEvent("clippingviewport",
{ detail: this._clippingViewport }));
}
get touchButton() { return 0; }
set touchButton(button) { Log.Warn("Using old API!"); }
@ -372,11 +416,20 @@ export default class RFB extends EventTargetMixin {
this._sock.off('error');
this._sock.off('message');
this._sock.off('open');
if (this._rfbRSAAESAuthenticationState !== null) {
this._rfbRSAAESAuthenticationState.disconnect();
}
}
approveServer() {
if (this._rfbRSAAESAuthenticationState !== null) {
this._rfbRSAAESAuthenticationState.approveServer();
}
}
sendCredentials(creds) {
this._rfbCredentials = creds;
setTimeout(this._initMsg.bind(this), 0);
this._resumeAuthentication();
}
sendCtrlAltDel() {
@ -432,8 +485,8 @@ export default class RFB extends EventTargetMixin {
}
}
focus() {
this._canvas.focus();
focus(options) {
this._canvas.focus(options);
}
blur() {
@ -449,16 +502,45 @@ export default class RFB extends EventTargetMixin {
this._clipboardText = text;
RFB.messages.extendedClipboardNotify(this._sock, [extendedClipboardFormatText]);
} else {
let data = new Uint8Array(text.length);
for (let i = 0; i < text.length; i++) {
// FIXME: text can have values outside of Latin1/Uint8
data[i] = text.charCodeAt(i);
let length, i;
let data;
length = 0;
// eslint-disable-next-line no-unused-vars
for (let codePoint of text) {
length++;
}
data = new Uint8Array(length);
i = 0;
for (let codePoint of text) {
let code = codePoint.codePointAt(0);
/* Only ISO 8859-1 is supported */
if (code > 0xff) {
code = 0x3f; // '?'
}
data[i++] = code;
}
RFB.messages.clientCutText(this._sock, data);
}
}
getImageData() {
return this._display.getImageData();
}
toDataURL(type, encoderOptions) {
return this._display.toDataURL(type, encoderOptions);
}
toBlob(callback, type, quality) {
return this._display.toBlob(callback, type, quality);
}
// ===== PRIVATE METHODS =====
_connect() {
@ -609,7 +691,7 @@ export default class RFB extends EventTargetMixin {
return;
}
this.focus();
this.focus({ preventScroll: true });
}
_setDesktopName(name) {
@ -619,7 +701,26 @@ export default class RFB extends EventTargetMixin {
{ detail: { name: this._fbName } }));
}
_saveExpectedClientSize() {
this._expectedClientWidth = this._screen.clientWidth;
this._expectedClientHeight = this._screen.clientHeight;
}
_currentClientSize() {
return [this._screen.clientWidth, this._screen.clientHeight];
}
_clientHasExpectedSize() {
const [currentWidth, currentHeight] = this._currentClientSize();
return currentWidth == this._expectedClientWidth &&
currentHeight == this._expectedClientHeight;
}
_handleResize() {
// Don't change anything if the client size is already as expected
if (this._clientHasExpectedSize()) {
return;
}
// If the window resized then our screen element might have
// as well. Update the viewport dimensions.
window.requestAnimationFrame(() => {
@ -659,6 +760,16 @@ export default class RFB extends EventTargetMixin {
const size = this._screenSize();
this._display.viewportChangeSize(size.w, size.h);
this._fixScrollbars();
this._setClippingViewport(size.w < this._display.width ||
size.h < this._display.height);
} else {
this._setClippingViewport(false);
}
// When changing clipping we might show or hide scrollbars.
// This causes the expected client dimensions to change.
if (curClip !== newClip) {
this._saveExpectedClientSize();
}
}
@ -684,6 +795,7 @@ export default class RFB extends EventTargetMixin {
}
const size = this._screenSize();
RFB.messages.setDesktopSize(this._sock,
Math.floor(size.w), Math.floor(size.h),
this._screenID, this._screenFlags);
@ -699,12 +811,13 @@ export default class RFB extends EventTargetMixin {
}
_fixScrollbars() {
// This is a hack because Chrome screws up the calculation
// for when scrollbars are needed. So to fix it we temporarily
// toggle them off and on.
// This is a hack because Safari on macOS screws up the calculation
// for when scrollbars are needed. We get scrollbars when making the
// browser smaller, despite remote resize being enabled. So to fix it
// we temporarily toggle them off and on.
const orig = this._screen.style.overflow;
this._screen.style.overflow = 'hidden';
// Force Chrome to recalculate the layout by asking for
// Force Safari to recalculate the layout by asking for
// an element's dimensions
this._screen.getBoundingClientRect();
this._screen.style.overflow = orig;
@ -869,8 +982,15 @@ export default class RFB extends EventTargetMixin {
}
}
break;
case 'connecting':
while (this._rfbConnectionState === 'connecting') {
if (!this._initMsg()) {
break;
}
}
break;
default:
this._initMsg();
Log.Error("Got data while in an invalid state");
break;
}
}
@ -1242,13 +1362,13 @@ export default class RFB extends EventTargetMixin {
break;
case "003.003":
case "003.006": // UltraVNC
case "003.889": // Apple Remote Desktop
this._rfbVersion = 3.3;
break;
case "003.007":
this._rfbVersion = 3.7;
break;
case "003.008":
case "003.889": // Apple Remote Desktop
case "004.000": // Intel AMT KVM
case "004.001": // RealVNC 4.6
case "005.000": // RealVNC 5.3
@ -1279,6 +1399,22 @@ export default class RFB extends EventTargetMixin {
this._rfbInitState = 'Security';
}
_isSupportedSecurityType(type) {
const clientTypes = [
securityTypeNone,
securityTypeVNCAuth,
securityTypeRA2ne,
securityTypeTight,
securityTypeVeNCrypt,
securityTypeXVP,
securityTypeARD,
securityTypeMSLogonII,
securityTypePlain,
];
return clientTypes.includes(type);
}
_negotiateSecurity() {
if (this._rfbVersion >= 3.7) {
// Server sends supported list, client decides
@ -1289,24 +1425,23 @@ export default class RFB extends EventTargetMixin {
this._rfbInitState = "SecurityReason";
this._securityContext = "no security types";
this._securityStatus = 1;
return this._initMsg();
return true;
}
const types = this._sock.rQshiftBytes(numTypes);
Log.Debug("Server security types: " + types);
// Look for each auth in preferred order
if (types.includes(1)) {
this._rfbAuthScheme = 1; // None
} else if (types.includes(22)) {
this._rfbAuthScheme = 22; // XVP
} else if (types.includes(16)) {
this._rfbAuthScheme = 16; // Tight
} else if (types.includes(2)) {
this._rfbAuthScheme = 2; // VNC Auth
} else if (types.includes(19)) {
this._rfbAuthScheme = 19; // VeNCrypt Auth
} else {
// Look for a matching security type in the order that the
// server prefers
this._rfbAuthScheme = -1;
for (let type of types) {
if (this._isSupportedSecurityType(type)) {
this._rfbAuthScheme = type;
break;
}
}
if (this._rfbAuthScheme === -1) {
return this._fail("Unsupported security types (types: " + types + ")");
}
@ -1320,14 +1455,14 @@ export default class RFB extends EventTargetMixin {
this._rfbInitState = "SecurityReason";
this._securityContext = "authentication scheme";
this._securityStatus = 1;
return this._initMsg();
return true;
}
}
this._rfbInitState = 'Authentication';
Log.Debug('Authenticating using scheme: ' + this._rfbAuthScheme);
return this._initMsg(); // jump to authentication
return true;
}
_handleSecurityReason() {
@ -1377,7 +1512,7 @@ export default class RFB extends EventTargetMixin {
this._rfbCredentials.username +
this._rfbCredentials.target;
this._sock.sendString(xvpAuthStr);
this._rfbAuthScheme = 2;
this._rfbAuthScheme = securityTypeVNCAuth;
return this._negotiateAuthentication();
}
@ -1435,49 +1570,66 @@ export default class RFB extends EventTargetMixin {
subtypes.push(this._sock.rQshift32());
}
// 256 = Plain subtype
if (subtypes.indexOf(256) != -1) {
// 0x100 = 256
this._sock.send([0, 0, 1, 0]);
this._rfbVeNCryptState = 4;
} else {
return this._fail("VeNCrypt Plain subtype not offered by server");
}
}
// Look for a matching security type in the order that the
// server prefers
this._rfbAuthScheme = -1;
for (let type of subtypes) {
// Avoid getting in to a loop
if (type === securityTypeVeNCrypt) {
continue;
}
// negotiated Plain subtype, server waits for password
if (this._rfbVeNCryptState == 4) {
if (this._rfbCredentials.username === undefined ||
this._rfbCredentials.password === undefined) {
this.dispatchEvent(new CustomEvent(
"credentialsrequired",
{ detail: { types: ["username", "password"] } }));
return false;
if (this._isSupportedSecurityType(type)) {
this._rfbAuthScheme = type;
break;
}
}
const user = encodeUTF8(this._rfbCredentials.username);
const pass = encodeUTF8(this._rfbCredentials.password);
if (this._rfbAuthScheme === -1) {
return this._fail("Unsupported security types (types: " + subtypes + ")");
}
this._sock.send([
(user.length >> 24) & 0xFF,
(user.length >> 16) & 0xFF,
(user.length >> 8) & 0xFF,
user.length & 0xFF
]);
this._sock.send([
(pass.length >> 24) & 0xFF,
(pass.length >> 16) & 0xFF,
(pass.length >> 8) & 0xFF,
pass.length & 0xFF
]);
this._sock.sendString(user);
this._sock.sendString(pass);
this._sock.send([this._rfbAuthScheme >> 24,
this._rfbAuthScheme >> 16,
this._rfbAuthScheme >> 8,
this._rfbAuthScheme]);
this._rfbInitState = "SecurityResult";
this._rfbVeNCryptState == 4;
return true;
}
}
_negotiatePlainAuth() {
if (this._rfbCredentials.username === undefined ||
this._rfbCredentials.password === undefined) {
this.dispatchEvent(new CustomEvent(
"credentialsrequired",
{ detail: { types: ["username", "password"] } }));
return false;
}
const user = encodeUTF8(this._rfbCredentials.username);
const pass = encodeUTF8(this._rfbCredentials.password);
this._sock.send([
(user.length >> 24) & 0xFF,
(user.length >> 16) & 0xFF,
(user.length >> 8) & 0xFF,
user.length & 0xFF
]);
this._sock.send([
(pass.length >> 24) & 0xFF,
(pass.length >> 16) & 0xFF,
(pass.length >> 8) & 0xFF,
pass.length & 0xFF
]);
this._sock.sendString(user);
this._sock.sendString(pass);
this._rfbInitState = "SecurityResult";
return true;
}
_negotiateStdVNCAuth() {
if (this._sock.rQwait("auth challenge", 16)) { return false; }
@ -1496,6 +1648,117 @@ export default class RFB extends EventTargetMixin {
return true;
}
_negotiateARDAuth() {
if (this._rfbCredentials.username === undefined ||
this._rfbCredentials.password === undefined) {
this.dispatchEvent(new CustomEvent(
"credentialsrequired",
{ detail: { types: ["username", "password"] } }));
return false;
}
if (this._rfbCredentials.ardPublicKey != undefined &&
this._rfbCredentials.ardCredentials != undefined) {
// if the async web crypto is done return the results
this._sock.send(this._rfbCredentials.ardCredentials);
this._sock.send(this._rfbCredentials.ardPublicKey);
this._rfbCredentials.ardCredentials = null;
this._rfbCredentials.ardPublicKey = null;
this._rfbInitState = "SecurityResult";
return true;
}
if (this._sock.rQwait("read ard", 4)) { return false; }
let generator = this._sock.rQshiftBytes(2); // DH base generator value
let keyLength = this._sock.rQshift16();
if (this._sock.rQwait("read ard keylength", keyLength*2, 4)) { return false; }
// read the server values
let prime = this._sock.rQshiftBytes(keyLength); // predetermined prime modulus
let serverPublicKey = this._sock.rQshiftBytes(keyLength); // other party's public key
let clientPrivateKey = window.crypto.getRandomValues(new Uint8Array(keyLength));
let padding = Array.from(window.crypto.getRandomValues(new Uint8Array(64)), byte => String.fromCharCode(65+byte%26)).join('');
this._negotiateARDAuthAsync(generator, keyLength, prime, serverPublicKey, clientPrivateKey, padding);
return false;
}
_modPow(base, exponent, modulus) {
let baseHex = "0x"+Array.from(base, byte => ('0' + (byte & 0xFF).toString(16)).slice(-2)).join('');
let exponentHex = "0x"+Array.from(exponent, byte => ('0' + (byte & 0xFF).toString(16)).slice(-2)).join('');
let modulusHex = "0x"+Array.from(modulus, byte => ('0' + (byte & 0xFF).toString(16)).slice(-2)).join('');
let b = BigInt(baseHex);
let e = BigInt(exponentHex);
let m = BigInt(modulusHex);
let r = 1n;
b = b % m;
while (e > 0) {
if (e % 2n === 1n) {
r = (r * b) % m;
}
e = e / 2n;
b = (b * b) % m;
}
let hexResult = r.toString(16);
while (hexResult.length/2<exponent.length || (hexResult.length%2 != 0)) {
hexResult = "0"+hexResult;
}
let bytesResult = [];
for (let c = 0; c < hexResult.length; c += 2) {
bytesResult.push(parseInt(hexResult.substr(c, 2), 16));
}
return bytesResult;
}
async _aesEcbEncrypt(string, key) {
// perform AES-ECB blocks
let keyString = Array.from(key, byte => String.fromCharCode(byte)).join('');
let aesKey = await window.crypto.subtle.importKey("raw", MD5(keyString), {name: "AES-CBC"}, false, ["encrypt"]);
let data = new Uint8Array(string.length);
for (let i = 0; i < string.length; ++i) {
data[i] = string.charCodeAt(i);
}
let encrypted = new Uint8Array(data.length);
for (let i=0;i<data.length;i+=16) {
let block = data.slice(i, i+16);
let encryptedBlock = await window.crypto.subtle.encrypt({name: "AES-CBC", iv: block},
aesKey, new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
);
encrypted.set((new Uint8Array(encryptedBlock)).slice(0, 16), i);
}
return encrypted;
}
async _negotiateARDAuthAsync(generator, keyLength, prime, serverPublicKey, clientPrivateKey, padding) {
// calculate the DH keys
let clientPublicKey = this._modPow(generator, clientPrivateKey, prime);
let sharedKey = this._modPow(serverPublicKey, clientPrivateKey, prime);
let username = encodeUTF8(this._rfbCredentials.username).substring(0, 63);
let password = encodeUTF8(this._rfbCredentials.password).substring(0, 63);
let paddedUsername = username + '\0' + padding.substring(0, 63);
let paddedPassword = password + '\0' + padding.substring(0, 63);
let credentials = paddedUsername.substring(0, 64) + paddedPassword.substring(0, 64);
let encrypted = await this._aesEcbEncrypt(credentials, sharedKey);
this._rfbCredentials.ardCredentials = encrypted;
this._rfbCredentials.ardPublicKey = clientPublicKey;
this._resumeAuthentication();
}
_negotiateTightUnixAuth() {
if (this._rfbCredentials.username === undefined ||
this._rfbCredentials.password === undefined) {
@ -1603,12 +1866,12 @@ export default class RFB extends EventTargetMixin {
case 'STDVNOAUTH__': // no auth
this._rfbInitState = 'SecurityResult';
return true;
case 'STDVVNCAUTH_': // VNC auth
this._rfbAuthScheme = 2;
return this._initMsg();
case 'TGHTULGNAUTH': // UNIX auth
this._rfbAuthScheme = 129;
return this._initMsg();
case 'STDVVNCAUTH_':
this._rfbAuthScheme = securityTypeVNCAuth;
return true;
case 'TGHTULGNAUTH':
this._rfbAuthScheme = securityTypeUnixLogon;
return true;
default:
return this._fail("Unsupported tiny auth scheme " +
"(scheme: " + authType + ")");
@ -1619,31 +1882,133 @@ export default class RFB extends EventTargetMixin {
return this._fail("No supported sub-auth types!");
}
_handleRSAAESCredentialsRequired(event) {
this.dispatchEvent(event);
}
_handleRSAAESServerVerification(event) {
this.dispatchEvent(event);
}
_negotiateRA2neAuth() {
if (this._rfbRSAAESAuthenticationState === null) {
this._rfbRSAAESAuthenticationState = new RSAAESAuthenticationState(this._sock, () => this._rfbCredentials);
this._rfbRSAAESAuthenticationState.addEventListener(
"serververification", this._eventHandlers.handleRSAAESServerVerification);
this._rfbRSAAESAuthenticationState.addEventListener(
"credentialsrequired", this._eventHandlers.handleRSAAESCredentialsRequired);
}
this._rfbRSAAESAuthenticationState.checkInternalEvents();
if (!this._rfbRSAAESAuthenticationState.hasStarted) {
this._rfbRSAAESAuthenticationState.negotiateRA2neAuthAsync()
.catch((e) => {
if (e.message !== "disconnect normally") {
this._fail(e.message);
}
}).then(() => {
this.dispatchEvent(new CustomEvent('securityresult'));
this._rfbInitState = "SecurityResult";
return true;
}).finally(() => {
this._rfbRSAAESAuthenticationState.removeEventListener(
"serververification", this._eventHandlers.handleRSAAESServerVerification);
this._rfbRSAAESAuthenticationState.removeEventListener(
"credentialsrequired", this._eventHandlers.handleRSAAESCredentialsRequired);
this._rfbRSAAESAuthenticationState = null;
});
}
return false;
}
_negotiateMSLogonIIAuth() {
if (this._sock.rQwait("mslogonii dh param", 24)) { return false; }
if (this._rfbCredentials.username === undefined ||
this._rfbCredentials.password === undefined) {
this.dispatchEvent(new CustomEvent(
"credentialsrequired",
{ detail: { types: ["username", "password"] } }));
return false;
}
const g = this._sock.rQshiftBytes(8);
const p = this._sock.rQshiftBytes(8);
const A = this._sock.rQshiftBytes(8);
const b = window.crypto.getRandomValues(new Uint8Array(8));
const B = new Uint8Array(this._modPow(g, b, p));
const secret = new Uint8Array(this._modPow(A, b, p));
const des = new DES(secret);
const username = encodeUTF8(this._rfbCredentials.username).substring(0, 255);
const password = encodeUTF8(this._rfbCredentials.password).substring(0, 63);
const usernameBytes = new Uint8Array(256);
const passwordBytes = new Uint8Array(64);
window.crypto.getRandomValues(usernameBytes);
window.crypto.getRandomValues(passwordBytes);
for (let i = 0; i < username.length; i++) {
usernameBytes[i] = username.charCodeAt(i);
}
usernameBytes[username.length] = 0;
for (let i = 0; i < password.length; i++) {
passwordBytes[i] = password.charCodeAt(i);
}
passwordBytes[password.length] = 0;
let x = new Uint8Array(secret);
for (let i = 0; i < 32; i++) {
for (let j = 0; j < 8; j++) {
x[j] ^= usernameBytes[i * 8 + j];
}
x = des.enc8(x);
usernameBytes.set(x, i * 8);
}
x = new Uint8Array(secret);
for (let i = 0; i < 8; i++) {
for (let j = 0; j < 8; j++) {
x[j] ^= passwordBytes[i * 8 + j];
}
x = des.enc8(x);
passwordBytes.set(x, i * 8);
}
this._sock.send(B);
this._sock.send(usernameBytes);
this._sock.send(passwordBytes);
this._rfbInitState = "SecurityResult";
return true;
}
_negotiateAuthentication() {
switch (this._rfbAuthScheme) {
case 1: // no auth
if (this._rfbVersion >= 3.8) {
this._rfbInitState = 'SecurityResult';
return true;
}
this._rfbInitState = 'ClientInitialisation';
return this._initMsg();
case securityTypeNone:
this._rfbInitState = 'SecurityResult';
return true;
case 22: // XVP auth
case securityTypeXVP:
return this._negotiateXvpAuth();
case 2: // VNC authentication
case securityTypeARD:
return this._negotiateARDAuth();
case securityTypeVNCAuth:
return this._negotiateStdVNCAuth();
case 16: // TightVNC Security Type
case securityTypeTight:
return this._negotiateTightAuth();
case 19: // VeNCrypt Security Type
case securityTypeVeNCrypt:
return this._negotiateVeNCryptAuth();
case 129: // TightVNC UNIX Security Type
case securityTypePlain:
return this._negotiatePlainAuth();
case securityTypeUnixLogon:
return this._negotiateTightUnixAuth();
case securityTypeRA2ne:
return this._negotiateRA2neAuth();
case securityTypeMSLogonII:
return this._negotiateMSLogonIIAuth();
default:
return this._fail("Unsupported auth scheme (scheme: " +
this._rfbAuthScheme + ")");
@ -1651,6 +2016,13 @@ export default class RFB extends EventTargetMixin {
}
_handleSecurityResult() {
// There is no security choice, and hence no security result
// until RFB 3.7
if (this._rfbVersion < 3.7) {
this._rfbInitState = 'ClientInitialisation';
return true;
}
if (this._sock.rQwait('VNC auth response ', 4)) { return false; }
const status = this._sock.rQshift32();
@ -1658,13 +2030,13 @@ export default class RFB extends EventTargetMixin {
if (status === 0) { // OK
this._rfbInitState = 'ClientInitialisation';
Log.Debug('Authentication OK');
return this._initMsg();
return true;
} else {
if (this._rfbVersion >= 3.8) {
this._rfbInitState = "SecurityReason";
this._securityContext = "security result";
this._securityStatus = status;
return this._initMsg();
return true;
} else {
this.dispatchEvent(new CustomEvent(
"securityfailure",
@ -1772,6 +2144,8 @@ export default class RFB extends EventTargetMixin {
if (this._fbDepth == 24) {
encs.push(encodings.encodingTight);
encs.push(encodings.encodingTightPNG);
encs.push(encodings.encodingZRLE);
encs.push(encodings.encodingJPEG);
encs.push(encodings.encodingHextile);
encs.push(encodings.encodingRRE);
}
@ -1838,6 +2212,14 @@ export default class RFB extends EventTargetMixin {
}
}
// Resume authentication handshake after it was paused for some
// reason, e.g. waiting for a password from the user
_resumeAuthentication() {
// We use setTimeout() so it's run in its own context, just like
// it originally did via the WebSocket's event handler
setTimeout(this._initMsg.bind(this), 0);
}
_handleSetColourMapMsg() {
Log.Debug("SetColorMapEntries");
@ -2500,6 +2882,9 @@ export default class RFB extends EventTargetMixin {
this._updateScale();
this._updateContinuousUpdates();
// Keep this size until browser client size changes
this._saveExpectedClientSize();
}
_xvpOp(ver, op) {

View File

@ -77,27 +77,76 @@ export const hasScrollbarGutter = _hasScrollbarGutter;
* It's better to use feature detection than platform detection.
*/
/* OS */
export function isMac() {
return navigator && !!(/mac/i).exec(navigator.platform);
return !!(/mac/i).exec(navigator.platform);
}
export function isWindows() {
return navigator && !!(/win/i).exec(navigator.platform);
return !!(/win/i).exec(navigator.platform);
}
export function isIOS() {
return navigator &&
(!!(/ipad/i).exec(navigator.platform) ||
return (!!(/ipad/i).exec(navigator.platform) ||
!!(/iphone/i).exec(navigator.platform) ||
!!(/ipod/i).exec(navigator.platform));
}
export function isAndroid() {
/* Android sets navigator.platform to Linux :/ */
return !!navigator.userAgent.match('Android ');
}
export function isChromeOS() {
/* ChromeOS sets navigator.platform to Linux :/ */
return !!navigator.userAgent.match(' CrOS ');
}
/* Browser */
export function isSafari() {
return navigator && (navigator.userAgent.indexOf('Safari') !== -1 &&
navigator.userAgent.indexOf('Chrome') === -1);
return !!navigator.userAgent.match('Safari/...') &&
!navigator.userAgent.match('Chrome/...') &&
!navigator.userAgent.match('Chromium/...') &&
!navigator.userAgent.match('Epiphany/...');
}
export function isFirefox() {
return navigator && !!(/firefox/i).exec(navigator.userAgent);
return !!navigator.userAgent.match('Firefox/...') &&
!navigator.userAgent.match('Seamonkey/...');
}
export function isChrome() {
return !!navigator.userAgent.match('Chrome/...') &&
!navigator.userAgent.match('Chromium/...') &&
!navigator.userAgent.match('Edg/...') &&
!navigator.userAgent.match('OPR/...');
}
export function isChromium() {
return !!navigator.userAgent.match('Chromium/...');
}
export function isOpera() {
return !!navigator.userAgent.match('OPR/...');
}
export function isEdge() {
return !!navigator.userAgent.match('Edg/...');
}
/* Engine */
export function isGecko() {
return !!navigator.userAgent.match('Gecko/...');
}
export function isWebKit() {
return !!navigator.userAgent.match('AppleWebKit/...') &&
!navigator.userAgent.match('Chrome/...');
}
export function isBlink() {
return !!navigator.userAgent.match('Chrome/...');
}

View File

@ -18,6 +18,10 @@ export default class Cursor {
this._canvas.style.position = 'fixed';
this._canvas.style.zIndex = '65535';
this._canvas.style.pointerEvents = 'none';
// Safari on iOS can select the cursor image
// https://bugs.webkit.org/show_bug.cgi?id=249223
this._canvas.style.userSelect = 'none';
this._canvas.style.WebkitUserSelect = 'none';
// Can't use "display" because of Firefox bug #1445997
this._canvas.style.visibility = 'hidden';
}

View File

@ -0,0 +1,79 @@
/*
* noVNC: HTML5 VNC client
* Copyright (C) 2021 The noVNC Authors
* Licensed under MPL 2.0 (see LICENSE.txt)
*
* See README.md for usage and integration instructions.
*/
/*
* Performs MD5 hashing on a string of binary characters, returns an array of bytes
*/
export function MD5(d) {
let r = M(V(Y(X(d), 8 * d.length)));
return r;
}
function M(d) {
let f = new Uint8Array(d.length);
for (let i=0;i<d.length;i++) {
f[i] = d.charCodeAt(i);
}
return f;
}
function X(d) {
let r = Array(d.length >> 2);
for (let m = 0; m < r.length; m++) r[m] = 0;
for (let m = 0; m < 8 * d.length; m += 8) r[m >> 5] |= (255 & d.charCodeAt(m / 8)) << m % 32;
return r;
}
function V(d) {
let r = "";
for (let m = 0; m < 32 * d.length; m += 8) r += String.fromCharCode(d[m >> 5] >>> m % 32 & 255);
return r;
}
function Y(d, g) {
d[g >> 5] |= 128 << g % 32, d[14 + (g + 64 >>> 9 << 4)] = g;
let m = 1732584193, f = -271733879, r = -1732584194, i = 271733878;
for (let n = 0; n < d.length; n += 16) {
let h = m,
t = f,
g = r,
e = i;
f = ii(f = ii(f = ii(f = ii(f = hh(f = hh(f = hh(f = hh(f = gg(f = gg(f = gg(f = gg(f = ff(f = ff(f = ff(f = ff(f, r = ff(r, i = ff(i, m = ff(m, f, r, i, d[n + 0], 7, -680876936), f, r, d[n + 1], 12, -389564586), m, f, d[n + 2], 17, 606105819), i, m, d[n + 3], 22, -1044525330), r = ff(r, i = ff(i, m = ff(m, f, r, i, d[n + 4], 7, -176418897), f, r, d[n + 5], 12, 1200080426), m, f, d[n + 6], 17, -1473231341), i, m, d[n + 7], 22, -45705983), r = ff(r, i = ff(i, m = ff(m, f, r, i, d[n + 8], 7, 1770035416), f, r, d[n + 9], 12, -1958414417), m, f, d[n + 10], 17, -42063), i, m, d[n + 11], 22, -1990404162), r = ff(r, i = ff(i, m = ff(m, f, r, i, d[n + 12], 7, 1804603682), f, r, d[n + 13], 12, -40341101), m, f, d[n + 14], 17, -1502002290), i, m, d[n + 15], 22, 1236535329), r = gg(r, i = gg(i, m = gg(m, f, r, i, d[n + 1], 5, -165796510), f, r, d[n + 6], 9, -1069501632), m, f, d[n + 11], 14, 643717713), i, m, d[n + 0], 20, -373897302), r = gg(r, i = gg(i, m = gg(m, f, r, i, d[n + 5], 5, -701558691), f, r, d[n + 10], 9, 38016083), m, f, d[n + 15], 14, -660478335), i, m, d[n + 4], 20, -405537848), r = gg(r, i = gg(i, m = gg(m, f, r, i, d[n + 9], 5, 568446438), f, r, d[n + 14], 9, -1019803690), m, f, d[n + 3], 14, -187363961), i, m, d[n + 8], 20, 1163531501), r = gg(r, i = gg(i, m = gg(m, f, r, i, d[n + 13], 5, -1444681467), f, r, d[n + 2], 9, -51403784), m, f, d[n + 7], 14, 1735328473), i, m, d[n + 12], 20, -1926607734), r = hh(r, i = hh(i, m = hh(m, f, r, i, d[n + 5], 4, -378558), f, r, d[n + 8], 11, -2022574463), m, f, d[n + 11], 16, 1839030562), i, m, d[n + 14], 23, -35309556), r = hh(r, i = hh(i, m = hh(m, f, r, i, d[n + 1], 4, -1530992060), f, r, d[n + 4], 11, 1272893353), m, f, d[n + 7], 16, -155497632), i, m, d[n + 10], 23, -1094730640), r = hh(r, i = hh(i, m = hh(m, f, r, i, d[n + 13], 4, 681279174), f, r, d[n + 0], 11, -358537222), m, f, d[n + 3], 16, -722521979), i, m, d[n + 6], 23, 76029189), r = hh(r, i = hh(i, m = hh(m, f, r, i, d[n + 9], 4, -640364487), f, r, d[n + 12], 11, -421815835), m, f, d[n + 15], 16, 530742520), i, m, d[n + 2], 23, -995338651), r = ii(r, i = ii(i, m = ii(m, f, r, i, d[n + 0], 6, -198630844), f, r, d[n + 7], 10, 1126891415), m, f, d[n + 14], 15, -1416354905), i, m, d[n + 5], 21, -57434055), r = ii(r, i = ii(i, m = ii(m, f, r, i, d[n + 12], 6, 1700485571), f, r, d[n + 3], 10, -1894986606), m, f, d[n + 10], 15, -1051523), i, m, d[n + 1], 21, -2054922799), r = ii(r, i = ii(i, m = ii(m, f, r, i, d[n + 8], 6, 1873313359), f, r, d[n + 15], 10, -30611744), m, f, d[n + 6], 15, -1560198380), i, m, d[n + 13], 21, 1309151649), r = ii(r, i = ii(i, m = ii(m, f, r, i, d[n + 4], 6, -145523070), f, r, d[n + 11], 10, -1120210379), m, f, d[n + 2], 15, 718787259), i, m, d[n + 9], 21, -343485551), m = add(m, h), f = add(f, t), r = add(r, g), i = add(i, e);
}
return Array(m, f, r, i);
}
function cmn(d, g, m, f, r, i) {
return add(rol(add(add(g, d), add(f, i)), r), m);
}
function ff(d, g, m, f, r, i, n) {
return cmn(g & m | ~g & f, d, g, r, i, n);
}
function gg(d, g, m, f, r, i, n) {
return cmn(g & f | m & ~f, d, g, r, i, n);
}
function hh(d, g, m, f, r, i, n) {
return cmn(g ^ m ^ f, d, g, r, i, n);
}
function ii(d, g, m, f, r, i, n) {
return cmn(m ^ (g | ~f), d, g, r, i, n);
}
function add(d, g) {
let m = (65535 & d) + (65535 & g);
return (d >> 16) + (g >> 16) + (m >> 16) << 16 | 65535 & m;
}
function rol(d, g) {
return d << g | d >>> 32 - g;
}

View File

@ -1,4 +1,4 @@
<!DOCTYPE html>
<!DOCTYPE html>
<html lang="en" class="noVNC_loading">
<head>
@ -15,53 +15,35 @@
-->
<title>noVNC</title>
<meta charset="utf-8">
<!-- Icons (see app/images/icons/Makefile for what the sizes are for) -->
<!--
<link rel="icon" sizes="16x16" type="image/png" href="app/images/icons/novnc-16x16.png">
<link rel="icon" sizes="24x24" type="image/png" href="app/images/icons/novnc-24x24.png">
<link rel="icon" sizes="32x32" type="image/png" href="app/images/icons/novnc-32x32.png">
<link rel="icon" sizes="48x48" type="image/png" href="app/images/icons/novnc-48x48.png">
<link rel="icon" sizes="60x60" type="image/png" href="app/images/icons/novnc-60x60.png">
<link rel="icon" sizes="64x64" type="image/png" href="app/images/icons/novnc-64x64.png">
<link rel="icon" sizes="72x72" type="image/png" href="app/images/icons/novnc-72x72.png">
<link rel="icon" sizes="76x76" type="image/png" href="app/images/icons/novnc-76x76.png">
<link rel="icon" sizes="96x96" type="image/png" href="app/images/icons/novnc-96x96.png">
<link rel="icon" sizes="120x120" type="image/png" href="app/images/icons/novnc-120x120.png">
<link rel="icon" sizes="144x144" type="image/png" href="app/images/icons/novnc-144x144.png">
<link rel="icon" sizes="152x152" type="image/png" href="app/images/icons/novnc-152x152.png">
<link rel="icon" sizes="192x192" type="image/png" href="app/images/icons/novnc-192x192.png">
-->
<!-- Firefox currently mishandles SVG, see #1419039
<link rel="icon" sizes="any" type="image/svg+xml" href="app/images/icons/novnc-icon.svg">
-->
<!-- Repeated last so that legacy handling will pick this -->
<!--
<link rel="icon" sizes="16x16" type="image/png" href="app/images/icons/novnc-16x16.png">
-->
<!-- <link rel="icon" type="image/x-icon" href="app/images/icons/novnc.ico"> -->
<!-- Apple iOS Safari settings -->
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<!-- Home Screen Icons (favourites and bookmarks use the normal icons) -->
<!--
<link rel="apple-touch-icon" sizes="60x60" type="image/png" href="app/images/icons/novnc-60x60.png">
<link rel="apple-touch-icon" sizes="76x76" type="image/png" href="app/images/icons/novnc-76x76.png">
<link rel="apple-touch-icon" sizes="120x120" type="image/png" href="app/images/icons/novnc-120x120.png">
<link rel="apple-touch-icon" sizes="152x152" type="image/png" href="app/images/icons/novnc-152x152.png">
-->
<!-- <link rel="apple-touch-icon" sizes="40x40" type="image/png" href="app/images/icons/novnc-ios-40.png">
<link rel="apple-touch-icon" sizes="58x58" type="image/png" href="app/images/icons/novnc-ios-58.png">
<link rel="apple-touch-icon" sizes="80x80" type="image/png" href="app/images/icons/novnc-ios-80.png">
<link rel="apple-touch-icon" sizes="120x120" type="image/png" href="app/images/icons/novnc-ios-120.png">
<link rel="apple-touch-icon" sizes="152x152" type="image/png" href="app/images/icons/novnc-ios-152.png">
<link rel="apple-touch-icon" sizes="167x167" type="image/png" href="app/images/icons/novnc-ios-167.png">
<link rel="apple-touch-icon" sizes="60x60" type="image/png" href="app/images/icons/novnc-ios-60.png">
<link rel="apple-touch-icon" sizes="87x87" type="image/png" href="app/images/icons/novnc-ios-87.png">
<link rel="apple-touch-icon" sizes="120x120" type="image/png" href="app/images/icons/novnc-ios-120.png">
<link rel="apple-touch-icon" sizes="180x180" type="image/png" href="app/images/icons/novnc-ios-180.png"> -->
<!-- Stylesheets -->
<link rel="stylesheet" href="app/styles/base.css">
<link rel="stylesheet" href="app/styles/input.css">
<!-- Images that will later appear via CSS -->
<link rel="preload" as="image" href="app/images/info.svg">
<link rel="preload" as="image" href="app/images/error.svg">
<link rel="preload" as="image" href="app/images/warning.svg">
<script src="app/error-handler.js"></script>
<script type="module" crossorigin="anonymous" src="app/error-handler.js"></script>
<script type="module" crossorigin="anonymous" src="app/ui.js"></script>
</head>
@ -83,7 +65,9 @@
<div class="noVNC_scroll">
<!--<h1 class="noVNC_logo" translate="no"><span>no</span><br>VNC</h1>-->
<!-- <h1 class="noVNC_logo" translate="no"><span>no</span><br>VNC</h1> -->
<hr>
<!-- Drag/Pan the viewport -->
<input type="image" alt="Drag" src="app/images/drag.svg"
@ -147,17 +131,17 @@
<div class="noVNC_heading">
<img alt="" src="app/images/clipboard.svg"> Clipboard
</div>
<p class="noVNC_subheading">
Edit clipboard content in the textarea below.
</p>
<textarea id="noVNC_clipboard_text" rows=5></textarea>
<br>
<input id="noVNC_clipboard_clear_button" type="button"
value="Clear" class="noVNC_submit">
</div>
</div>
<!-- Toggle fullscreen -->
<input type="image" alt="Fullscreen" src="app/images/fullscreen.svg"
<input type="image" alt="Full Screen" src="app/images/fullscreen.svg"
id="noVNC_fullscreen_button" class="noVNC_button noVNC_hidden"
title="Fullscreen">
title="Full Screen">
<!-- Settings -->
<input type="image" alt="Settings" src="app/images/settings.svg"
@ -165,10 +149,10 @@
title="Settings">
<div class="noVNC_vcenter">
<div id="noVNC_settings" class="noVNC_panel">
<div class="noVNC_heading">
<img alt="" src="app/images/settings.svg"> Settings
</div>
<ul>
<li class="noVNC_heading">
<img alt="" src="app/images/settings.svg"> Settings
</li>
<li>
<label><input id="noVNC_setting_shared" type="checkbox"> Shared Mode</label>
</li>
@ -263,39 +247,69 @@
</div>
</div>
<div id="noVNC_control_bar_hint"></div>
</div> <!-- End of noVNC_control_bar -->
<div id="noVNC_hint_anchor" class="noVNC_vcenter">
<div id="noVNC_control_bar_hint">
</div>
</div>
<!-- Status Dialog -->
<div id="noVNC_status"></div>
<!-- Connect button -->
<div class="noVNC_center">
<div id="noVNC_connect_dlg">
<!--<div class="noVNC_logo" translate="no"><span>no</span>VNC</div>-->
<div id="noVNC_connect_button"><div>
<img alt="" src="app/images/connect.svg"> Connect
</div></div>
<!-- <p class="noVNC_logo" translate="no"><span>no</span>VNC</p> -->
<div>
<button id="noVNC_connect_button">
<img alt="" src="app/images/connect.svg"> Connect
</button>
</div>
</div>
</div>
<!-- Server Key Verification Dialog -->
<div class="noVNC_center noVNC_connect_layer">
<div id="noVNC_verify_server_dlg" class="noVNC_panel"><form>
<div class="noVNC_heading">
Server identity
</div>
<div>
The server has provided the following identifying information:
</div>
<div id="noVNC_fingerprint_block">
<b>Fingerprint:</b>
<span id="noVNC_fingerprint"></span>
</div>
<div>
Please verify that the information is correct and press
"Approve". Otherwise press "Reject".
</div>
<div>
<input id="noVNC_approve_server_button" type="submit" value="Approve" class="noVNC_submit">
<input id="noVNC_reject_server_button" type="button" value="Reject" class="noVNC_submit">
</div>
</form></div>
</div>
<!-- Password Dialog -->
<div class="noVNC_center noVNC_connect_layer">
<div id="noVNC_credentials_dlg" class="noVNC_panel"><form>
<ul>
<li id="noVNC_username_block">
<label>Username:</label>
<input id="noVNC_username_input">
</li>
<li id="noVNC_password_block">
<label>Password:</label>
<input id="noVNC_password_input" type="password">
</li>
<li>
<input id="noVNC_credentials_button" type="submit" value="Send Credentials" class="noVNC_submit">
</li>
</ul>
<div class="noVNC_heading">
Credentials
</div>
<div id="noVNC_username_block">
<label for="noVNC_username_input">Username:</label>
<input id="noVNC_username_input">
</div>
<div id="noVNC_password_block">
<label for="noVNC_password_input">Password:</label>
<input id="noVNC_password_input" type="password">
</div>
<div>
<input id="noVNC_credentials_button" type="submit" value="Send Credentials" class="noVNC_submit">
</div>
</form></div>
</div>