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40f281eb | 1 | <!DOCTYPE html> |
80c52ba7 | 2 | <html lang="en"> |
e84101b3 PÅ |
3 | <head> |
4 | ||
82744aa8 | 5 | <!-- |
83391ffc | 6 | noVNC example: lightweight example using minimal UI and features |
8c2866df SM |
7 | |
8 | This is a self-contained file which doesn't import WebUtil or external CSS. | |
9 | ||
412d9306 | 10 | Copyright (C) 2019 The noVNC Authors |
1d728ace | 11 | noVNC is licensed under the MPL 2.0 (see LICENSE.txt) |
d58f8b51 | 12 | This file is licensed under the 2-Clause BSD license (see LICENSE.txt). |
d595e656 JM |
13 | |
14 | Connect parameters are provided in query string: | |
51f9f009 | 15 | http://example.com/?host=HOST&port=PORT&scale=true |
d595e656 | 16 | --> |
e84101b3 PÅ |
17 | <title>noVNC</title> |
18 | ||
2aa3b5bc | 19 | <meta charset="utf-8"> |
33f5d3bd | 20 | |
78bbf6ba SM |
21 | <!-- Always force latest IE rendering engine (even in intranet) & |
22 | Chrome Frame. Remove this if you use the .htaccess --> | |
8f230f45 | 23 | <meta http-equiv="X-UA-Compatible" content="IE=edge" /> |
78bbf6ba | 24 | |
45c644a6 | 25 | <style> |
e0d4e5a1 SM |
26 | |
27 | body { | |
28 | margin: 0; | |
de79ae92 | 29 | background-color: dimgrey; |
e0d4e5a1 SM |
30 | height: 100%; |
31 | display: flex; | |
32 | flex-direction: column; | |
33 | } | |
34 | html { | |
e0d4e5a1 SM |
35 | height: 100%; |
36 | } | |
37 | ||
8613f6f4 | 38 | #top_bar { |
de79ae92 | 39 | background-color: #6e84a3; |
011e4bff SM |
40 | color: white; |
41 | font: bold 12px Helvetica; | |
42 | padding: 6px 5px 4px 5px; | |
de79ae92 | 43 | border-bottom: 1px outset; |
e0d4e5a1 | 44 | } |
8613f6f4 | 45 | #status { |
011e4bff | 46 | text-align: center; |
e0d4e5a1 | 47 | } |
011e4bff SM |
48 | #sendCtrlAltDelButton { |
49 | position: fixed; | |
50 | top: 0px; | |
51 | right: 0px; | |
52 | border: 1px outset; | |
53 | padding: 5px 5px 4px 5px; | |
54 | cursor: pointer; | |
e0d4e5a1 SM |
55 | } |
56 | ||
1c945f81 SM |
57 | #screen { |
58 | flex: 1; /* fill remaining space */ | |
59 | overflow: hidden; | |
60 | } | |
61 | ||
e0d4e5a1 | 62 | </style> |
e84101b3 | 63 | |
bf826444 | 64 | <script type="module" crossorigin="anonymous"> |
8c2866df | 65 | // RFB holds the API to connect and communicate with a VNC server |
7569cdc2 | 66 | import RFB from './core/rfb.js'; |
6f4b1e40 | 67 | |
25551b6b SM |
68 | let rfb; |
69 | let desktopName; | |
8db09746 | 70 | |
26d51e49 SM |
71 | // When this function is called we have |
72 | // successfully connected to a server | |
73 | function connectedToServer(e) { | |
26d51e49 SM |
74 | status("Connected to " + desktopName); |
75 | } | |
76 | ||
77 | // This function is called when we are disconnected | |
78 | function disconnectedFromServer(e) { | |
26d51e49 SM |
79 | if (e.detail.clean) { |
80 | status("Disconnected"); | |
81 | } else { | |
82 | status("Something went wrong, connection is closed"); | |
83 | } | |
3bb12056 | 84 | } |
8c2866df SM |
85 | |
86 | // When this function is called, the server requires | |
87 | // credentials to authenticate | |
c756665e | 88 | function credentialsAreRequired(e) { |
5271e300 SM |
89 | const password = prompt("Password Required:"); |
90 | rfb.sendCredentials({ password: password }); | |
d890e864 | 91 | } |
8c2866df | 92 | |
26d51e49 SM |
93 | // When this function is called we have received |
94 | // a desktop name from the server | |
95 | function updateDesktopName(e) { | |
96 | desktopName = e.detail.name; | |
97 | } | |
98 | ||
8c2866df SM |
99 | // Since most operating systems will catch Ctrl+Alt+Del |
100 | // before they get a chance to be intercepted by the browser, | |
101 | // we provide a way to emulate this key sequence. | |
63708ff5 | 102 | function sendCtrlAltDel() { |
8db09746 | 103 | rfb.sendCtrlAltDel(); |
a8edf9d8 | 104 | return false; |
63708ff5 | 105 | } |
26d51e49 | 106 | |
8c2866df | 107 | // Show a status text in the top bar |
de79ae92 | 108 | function status(text) { |
8613f6f4 | 109 | document.getElementById('status').textContent = text; |
3bb12056 | 110 | } |
91308399 | 111 | |
6517c498 SM |
112 | // This function extracts the value of one variable from the |
113 | // query string. If the variable isn't defined in the URL | |
114 | // it returns the default value instead. | |
115 | function readQueryVariable(name, defaultValue) { | |
116 | // A URL with a query parameter can look like this: | |
117 | // https://www.example.com?myqueryparam=myvalue | |
118 | // | |
119 | // Note that we use location.href instead of location.search | |
120 | // because Firefox < 53 has a bug w.r.t location.search | |
121 | const re = new RegExp('.*[?&]' + name + '=([^&#]*)'), | |
122 | match = document.location.href.match(re); | |
6517c498 SM |
123 | |
124 | if (match) { | |
125 | // We have to decode the URL since want the cleartext value | |
126 | return decodeURIComponent(match[1]); | |
127 | } | |
128 | ||
129 | return defaultValue; | |
130 | } | |
131 | ||
e20f0ee9 SM |
132 | document.getElementById('sendCtrlAltDelButton') |
133 | .onclick = sendCtrlAltDel; | |
91308399 | 134 | |
6517c498 | 135 | // Read parameters specified in the URL query string |
7569cdc2 | 136 | // By default, use the host and port of server that served this file |
25551b6b SM |
137 | const host = readQueryVariable('host', window.location.hostname); |
138 | let port = readQueryVariable('port', window.location.port); | |
06a8f7d9 | 139 | const password = readQueryVariable('password'); |
25551b6b | 140 | const path = readQueryVariable('path', 'websockify'); |
c55f05f6 | 141 | |
8c2866df SM |
142 | // | | | | | | |
143 | // | | | Connect | | | | |
144 | // v v v v v v | |
0139b256 | 145 | |
25551b6b | 146 | status("Connecting"); |
91308399 | 147 | |
25551b6b SM |
148 | // Build the websocket URL used to connect |
149 | let url; | |
150 | if (window.location.protocol === "https:") { | |
151 | url = 'wss'; | |
152 | } else { | |
153 | url = 'ws'; | |
154 | } | |
155 | url += '://' + host; | |
156 | if(port) { | |
157 | url += ':' + port; | |
158 | } | |
159 | url += '/' + path; | |
160 | ||
161 | // Creating a new RFB object will start a new connection | |
1c945f81 | 162 | rfb = new RFB(document.getElementById('screen'), url, |
25551b6b SM |
163 | { credentials: { password: password } }); |
164 | ||
165 | // Add listeners to important events from the RFB module | |
c756665e SM |
166 | rfb.addEventListener("connect", connectedToServer); |
167 | rfb.addEventListener("disconnect", disconnectedFromServer); | |
168 | rfb.addEventListener("credentialsrequired", credentialsAreRequired); | |
25551b6b SM |
169 | rfb.addEventListener("desktopname", updateDesktopName); |
170 | ||
171 | // Set parameters that can be changed on an active connection | |
172 | rfb.viewOnly = readQueryVariable('view_only', false); | |
173 | rfb.scaleViewport = readQueryVariable('scale', false); | |
7569cdc2 SR |
174 | </script> |
175 | </head> | |
176 | ||
178bf8ec | 177 | <body> |
8613f6f4 SM |
178 | <div id="top_bar"> |
179 | <div id="status">Loading</div> | |
180 | <div id="sendCtrlAltDelButton">Send CtrlAltDel</div> | |
181 | </div> | |
1c945f81 SM |
182 | <div id="screen"> |
183 | <!-- This is where the remote screen will appear --> | |
184 | </div> | |
178bf8ec | 185 | </body> |
91308399 | 186 | </html> |