diff options
Diffstat (limited to 'classes/novnc/include')
21 files changed, 7027 insertions, 0 deletions
diff --git a/classes/novnc/include/Orbitron700.ttf b/classes/novnc/include/Orbitron700.ttf Binary files differnew file mode 100644 index 0000000..e28729d --- /dev/null +++ b/classes/novnc/include/Orbitron700.ttf diff --git a/classes/novnc/include/Orbitron700.woff b/classes/novnc/include/Orbitron700.woff Binary files differnew file mode 100644 index 0000000..61db630 --- /dev/null +++ b/classes/novnc/include/Orbitron700.woff diff --git a/classes/novnc/include/base.css b/classes/novnc/include/base.css new file mode 100644 index 0000000..0a62a1b --- /dev/null +++ b/classes/novnc/include/base.css @@ -0,0 +1,380 @@ +body { + margin:0; + padding:0; + font-family: Helvetica; + /*Background image with light grey curve.*/ + background-color:#494949; + background-repeat:no-repeat; + background-position:right bottom; + height:100%; +} + +html { + height:100%; +} + +#noVNC_controls ul { + list-style: none; + margin: 0px; + padding: 0px; +} +#noVNC_controls li { + padding-bottom:8px; +} + +#noVNC_host { + width:150px; +} +#noVNC_port { + width: 80px; +} +#noVNC_password { + width: 150px; +} +#noVNC_encrypt { +} +#noVNC_connectTimeout { + width: 30px; +} +#noVNC_path { + width: 100px; +} +#noVNC_connect_button { + width: 110px; + float:right; +} + + +#noVNC_view_drag_button { + display: none; +} +#sendCtrlAltDelButton { + display: none; +} +#noVNC_mobile_buttons { + display: none; +} + +.noVNC-buttons-left { + float: left; + padding-left:10px; + padding-top:4px; +} + +.noVNC-buttons-right { + float:right; + right: 0px; + padding-right:10px; + padding-top:4px; +} + +#noVNC_status_bar { + margin-top: 0px; + padding: 0px; +} + +#noVNC_status_bar div { + font-size: 12px; + padding-top: 4px; + width:100%; +} + +#noVNC_status { + height:20px; + text-align: center; +} +#noVNC_settings_menu { + margin: 3px; + text-align: left; +} +#noVNC_settings_menu ul { + list-style: none; + margin: 0px; + padding: 0px; +} + +#noVNC_apply { + float:right; +} + +.noVNC_status_normal { + background: #eee; +} +.noVNC_status_error { + background: #f44; +} +.noVNC_status_warn { + background: #ff4; +} + +/* Do not set width/height for VNC_screen or VNC_canvas or incorrect + * scaling will occur. Canvas resizes to remote VNC settings */ +#noVNC_screen_pad { + margin: 0px; + padding: 0px; + height: 44px; +} +#noVNC_screen { + text-align: center; + display: table; + width:100%; + height:100%; + background-color:#313131; + border-bottom-right-radius: 800px 600px; + /*border-top-left-radius: 800px 600px;*/ +} + +#noVNC_container, #noVNC_canvas { + margin: 0px; + padding: 0px; +} + +#noVNC_canvas { + left: 0px; +} + +#VNC_clipboard_clear_button { + float:right; +} +#VNC_clipboard_text { + font-size: 11px; +} + +#noVNC_clipboard_clear_button { + float:right; +} + +/*Bubble contents divs*/ +#noVNC_settings { + display:none; + margin-top:77px; + right:20px; + position:fixed; +} + +#noVNC_controls { + margin-top:77px; + right:12px; + position:fixed; +} +#noVNC_controls.top:after { + right:15px; +} + +#noVNC_clipboard { + display:none; + margin-top:77px; + right:30px; + position:fixed; +} +#noVNC_clipboard.top:after { + right:85px; +} + +#keyboardinput { + width:1px; + height:1px; + background-color:#fff; + color:#fff; + border:0; + position: relative; + left: -40px; + z-index: -1; +} + +.noVNC_status_warn { + background-color:yellow; +} + +/* + * Advanced Styling + */ + +/* Control bar */ +#noVNC-control-bar { + position:fixed; + background: #b2bdcd; /* Old browsers */ + background: -moz-linear-gradient(top, #b2bdcd 0%, #899cb3 49%, #7e93af 51%, #6e84a3 100%); /* FF3.6+ */ + background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#b2bdcd), color-stop(49%,#899cb3), color-stop(51%,#7e93af), color-stop(100%,#6e84a3)); /* Chrome,Safari4+ */ + background: -webkit-linear-gradient(top, #b2bdcd 0%,#899cb3 49%,#7e93af 51%,#6e84a3 100%); /* Chrome10+,Safari5.1+ */ + background: -o-linear-gradient(top, #b2bdcd 0%,#899cb3 49%,#7e93af 51%,#6e84a3 100%); /* Opera11.10+ */ + background: -ms-linear-gradient(top, #b2bdcd 0%,#899cb3 49%,#7e93af 51%,#6e84a3 100%); /* IE10+ */ + background: linear-gradient(top, #b2bdcd 0%,#899cb3 49%,#7e93af 51%,#6e84a3 100%); /* W3C */ + + display:block; + height:44px; + left:0; + top:0; + width:100%; + z-index:200; +} + +.noVNC_status_button { + padding: 4px 4px; + vertical-align: middle; + border:1px solid #869dbc; + -webkit-border-radius: 6px; + -moz-border-radius: 6px; + border-radius: 6px; + background: #b2bdcd; /* Old browsers */ + background: -moz-linear-gradient(top, #b2bdcd 0%, #899cb3 49%, #7e93af 51%, #6e84a3 100%); /* FF3.6+ */ + background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#b2bdcd), color-stop(49%,#899cb3), color-stop(51%,#7e93af), color-stop(100%,#6e84a3)); /* Chrome,Safari4+ */ + background: -webkit-linear-gradient(top, #b2bdcd 0%,#899cb3 49%,#7e93af 51%,#6e84a3 100%); /* Chrome10+,Safari5.1+ */ + background: -o-linear-gradient(top, #b2bdcd 0%,#899cb3 49%,#7e93af 51%,#6e84a3 100%); /* Opera11.10+ */ + background: -ms-linear-gradient(top, #b2bdcd 0%,#899cb3 49%,#7e93af 51%,#6e84a3 100%); /* IE10+ */ + filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#b2bdcd', endColorstr='#6e84a3',GradientType=0 ); /* IE6-9 */ + background: linear-gradient(top, #b2bdcd 0%,#899cb3 49%,#7e93af 51%,#6e84a3 100%); /* W3C */ + /*box-shadow:inset 0.4px 0.4px 0.4px #000000;*/ +} + +.noVNC_status_button_selected { + padding: 4px 4px; + vertical-align: middle; + border:1px solid #4366a9; + -webkit-border-radius: 6px; + -moz-border-radius: 6px; + background: #779ced; /* Old browsers */ + background: -moz-linear-gradient(top, #779ced 0%, #3970e0 49%, #2160dd 51%, #2463df 100%); /* FF3.6+ */ + background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#779ced), color-stop(49%,#3970e0), color-stop(51%,#2160dd), color-stop(100%,#2463df)); /* Chrome,Safari4+ */ + background: -webkit-linear-gradient(top, #779ced 0%,#3970e0 49%,#2160dd 51%,#2463df 100%); /* Chrome10+,Safari5.1+ */ + background: -o-linear-gradient(top, #779ced 0%,#3970e0 49%,#2160dd 51%,#2463df 100%); /* Opera11.10+ */ + background: -ms-linear-gradient(top, #779ced 0%,#3970e0 49%,#2160dd 51%,#2463df 100%); /* IE10+ */ + filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#779ced', endColorstr='#2463df',GradientType=0 ); /* IE6-9 */ + background: linear-gradient(top, #779ced 0%,#3970e0 49%,#2160dd 51%,#2463df 100%); /* W3C */ + /*box-shadow:inset 0.4px 0.4px 0.4px #000000;*/ +} + + +/*Settings Bubble*/ +.triangle-right { + position:relative; + padding:15px; + margin:1em 0 3em; + color:#fff; + background:#fff; /* default background for browsers without gradient support */ + /* css3 */ + /*background:-webkit-gradient(linear, 0 0, 0 100%, from(#2e88c4), to(#075698)); + background:-moz-linear-gradient(#2e88c4, #075698); + background:-o-linear-gradient(#2e88c4, #075698); + background:linear-gradient(#2e88c4, #075698);*/ + -webkit-border-radius:10px; + -moz-border-radius:10px; + border-radius:10px; + color:#000; + border:2px solid #E0E0E0; +} + +.triangle-right.top:after { + border-color: transparent #E0E0E0; + border-width: 20px 20px 0 0; + bottom: auto; + left: auto; + right: 50px; + top: -20px; +} + +.triangle-right:after { + content:""; + position:absolute; + bottom:-20px; /* value = - border-top-width - border-bottom-width */ + left:50px; /* controls horizontal position */ + border-width:20px 0 0 20px; /* vary these values to change the angle of the vertex */ + border-style:solid; + border-color:#E0E0E0 transparent; + /* reduce the damage in FF3.0 */ + display:block; + width:0; +} + +.triangle-right.top:after { + top:-40px; /* value = - border-top-width - border-bottom-width */ + right:50px; /* controls horizontal position */ + bottom:auto; + left:auto; + border-width:40px 40px 0 0; /* vary these values to change the angle of the vertex */ + border-color:transparent #E0E0E0; +} + +/*Default noVNC logo.*/ +/* From: http://fonts.googleapis.com/css?family=Orbitron:700 */ +@font-face { + font-family: 'Orbitron'; + font-style: normal; + font-weight: 700; + src: local('?'), url('Orbitron700.woff') format('woff'), + url('Orbitron700.ttf') format('truetype'); +} + +#noVNC_logo { + margin-top: 170px; + margin-left: 10px; + color:yellow; + text-align:left; + font-family: 'Orbitron', 'OrbitronTTF', sans-serif; + line-height:90%; + text-shadow: + 5px 5px 0 #000, + -1px -1px 0 #000, + 1px -1px 0 #000, + -1px 1px 0 #000, + 1px 1px 0 #000; +} + + +#noVNC_logo span{ + color:green; +} + +/* ---------------------------------------- + * Media sizing + * ---------------------------------------- + */ + + +.noVNC_status_button { + font-size: 12px; +} + +#noVNC_clipboard_text { + width: 500px; +} + +#noVNC_logo { + font-size: 180px; +} + +@media screen and (min-width: 481px) and (max-width: 640px) { + .noVNC_status_button { + font-size: 10px; + } + #noVNC_clipboard_text { + width: 410px; + } + #noVNC_logo { + font-size: 150px; + } +} + +@media screen and (min-width: 321px) and (max-width: 480px) { + .noVNC_status_button { + font-size: 10px; + } + #noVNC_clipboard_text { + width: 250px; + } + #noVNC_logo { + font-size: 110px; + } +} + +@media screen and (max-width: 320px) { + .noVNC_status_button { + font-size: 9px; + } + #noVNC_clipboard_text { + width: 220px; + } + #noVNC_logo { + font-size: 90px; + } +} diff --git a/classes/novnc/include/base64.js b/classes/novnc/include/base64.js new file mode 100644 index 0000000..c68b33a --- /dev/null +++ b/classes/novnc/include/base64.js @@ -0,0 +1,147 @@ +/* + * Modified from: + * http://lxr.mozilla.org/mozilla/source/extensions/xml-rpc/src/nsXmlRpcClient.js#956 + */ + +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Mozilla XML-RPC Client component. + * + * The Initial Developer of the Original Code is + * Digital Creations 2, Inc. + * Portions created by the Initial Developer are Copyright (C) 2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Martijn Pieters <mj@digicool.com> (original author) + * Samuel Sieb <samuel@sieb.net> + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/*jslint white: false, bitwise: false, plusplus: false */ +/*global console */ + +var Base64 = { + +/* Convert data (an array of integers) to a Base64 string. */ +toBase64Table : 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/', +base64Pad : '=', + +encode: function (data) { + "use strict"; + var result = '', + chrTable = Base64.toBase64Table.split(''), + pad = Base64.base64Pad, + length = data.length, + i; + // Convert every three bytes to 4 ascii characters. + for (i = 0; i < (length - 2); i += 3) { + result += chrTable[data[i] >> 2]; + result += chrTable[((data[i] & 0x03) << 4) + (data[i+1] >> 4)]; + result += chrTable[((data[i+1] & 0x0f) << 2) + (data[i+2] >> 6)]; + result += chrTable[data[i+2] & 0x3f]; + } + + // Convert the remaining 1 or 2 bytes, pad out to 4 characters. + if (length%3) { + i = length - (length%3); + result += chrTable[data[i] >> 2]; + if ((length%3) === 2) { + result += chrTable[((data[i] & 0x03) << 4) + (data[i+1] >> 4)]; + result += chrTable[(data[i+1] & 0x0f) << 2]; + result += pad; + } else { + result += chrTable[(data[i] & 0x03) << 4]; + result += pad + pad; + } + } + + return result; +}, + +/* Convert Base64 data to a string */ +toBinaryTable : [ + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63, + 52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1, + -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14, + 15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1, + -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40, + 41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1 +], + +decode: function (data, offset) { + "use strict"; + offset = typeof(offset) !== 'undefined' ? offset : 0; + var binTable = Base64.toBinaryTable, + pad = Base64.base64Pad, + result, result_length, idx, i, c, padding, + leftbits = 0, // number of bits decoded, but yet to be appended + leftdata = 0, // bits decoded, but yet to be appended + data_length = data.indexOf('=') - offset; + + if (data_length < 0) { data_length = data.length - offset; } + + /* Every four characters is 3 resulting numbers */ + result_length = (data_length >> 2) * 3 + Math.floor((data_length%4)/1.5); + result = new Array(result_length); + + // Convert one by one. + for (idx = 0, i = offset; i < data.length; i++) { + c = binTable[data.charCodeAt(i) & 0x7f]; + padding = (data.charAt(i) === pad); + // Skip illegal characters and whitespace + if (c === -1) { + console.error("Illegal character '" + data.charCodeAt(i) + "'"); + continue; + } + + // Collect data into leftdata, update bitcount + leftdata = (leftdata << 6) | c; + leftbits += 6; + + // If we have 8 or more bits, append 8 bits to the result + if (leftbits >= 8) { + leftbits -= 8; + // Append if not padding. + if (!padding) { + result[idx++] = (leftdata >> leftbits) & 0xff; + } + leftdata &= (1 << leftbits) - 1; + } + } + + // If there are any bits left, the base64 string was corrupted + if (leftbits) { + throw {name: 'Base64-Error', + message: 'Corrupted base64 string'}; + } + + return result; +} + +}; /* End of Base64 namespace */ diff --git a/classes/novnc/include/black.css b/classes/novnc/include/black.css new file mode 100644 index 0000000..8f80f66 --- /dev/null +++ b/classes/novnc/include/black.css @@ -0,0 +1,45 @@ +#keyboardinput { + background-color:#000; +} + +#noVNC-control-bar { + background: #4c4c4c; /* Old browsers */ + background: -moz-linear-gradient(top, #4c4c4c 0%, #2c2c2c 50%, #000000 51%, #131313 100%); /* FF3.6+ */ + background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#4c4c4c), color-stop(50%,#2c2c2c), color-stop(51%,#000000), color-stop(100%,#131313)); /* Chrome,Safari4+ */ + background: -webkit-linear-gradient(top, #4c4c4c 0%,#2c2c2c 50%,#000000 51%,#131313 100%); /* Chrome10+,Safari5.1+ */ + background: -o-linear-gradient(top, #4c4c4c 0%,#2c2c2c 50%,#000000 51%,#131313 100%); /* Opera11.10+ */ + background: -ms-linear-gradient(top, #4c4c4c 0%,#2c2c2c 50%,#000000 51%,#131313 100%); /* IE10+ */ + background: linear-gradient(top, #4c4c4c 0%,#2c2c2c 50%,#000000 51%,#131313 100%); /* W3C */ +} + +.triangle-right { + border:2px solid #fff; + background:#000; + color:#fff; +} + +.noVNC_status_button { + font-size: 12px; + vertical-align: middle; + border:1px solid #4c4c4c; + + background: #4c4c4c; /* Old browsers */ + background: -moz-linear-gradient(top, #4c4c4c 0%, #2c2c2c 50%, #000000 51%, #131313 100%); /* FF3.6+ */ + background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#4c4c4c), color-stop(50%,#2c2c2c), color-stop(51%,#000000), color-stop(100%,#131313)); /* Chrome,Safari4+ */ + background: -webkit-linear-gradient(top, #4c4c4c 0%,#2c2c2c 50%,#000000 51%,#131313 100%); /* Chrome10+,Safari5.1+ */ + background: -o-linear-gradient(top, #4c4c4c 0%,#2c2c2c 50%,#000000 51%,#131313 100%); /* Opera11.10+ */ + background: -ms-linear-gradient(top, #4c4c4c 0%,#2c2c2c 50%,#000000 51%,#131313 100%); /* IE10+ */ + filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#4c4c4c', endColorstr='#131313',GradientType=0 ); /* IE6-9 */ + background: linear-gradient(top, #4c4c4c 0%,#2c2c2c 50%,#000000 51%,#131313 100%); /* W3C */ +} + +.noVNC_status_button_selected { + background: #9dd53a; /* Old browsers */ + background: -moz-linear-gradient(top, #9dd53a 0%, #a1d54f 50%, #80c217 51%, #7cbc0a 100%); /* FF3.6+ */ + background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#9dd53a), color-stop(50%,#a1d54f), color-stop(51%,#80c217), color-stop(100%,#7cbc0a)); /* Chrome,Safari4+ */ + background: -webkit-linear-gradient(top, #9dd53a 0%,#a1d54f 50%,#80c217 51%,#7cbc0a 100%); /* Chrome10+,Safari5.1+ */ + background: -o-linear-gradient(top, #9dd53a 0%,#a1d54f 50%,#80c217 51%,#7cbc0a 100%); /* Opera11.10+ */ + background: -ms-linear-gradient(top, #9dd53a 0%,#a1d54f 50%,#80c217 51%,#7cbc0a 100%); /* IE10+ */ + filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9dd53a', endColorstr='#7cbc0a',GradientType=0 ); /* IE6-9 */ + background: linear-gradient(top, #9dd53a 0%,#a1d54f 50%,#80c217 51%,#7cbc0a 100%); /* W3C */ +} diff --git a/classes/novnc/include/blue.css b/classes/novnc/include/blue.css new file mode 100644 index 0000000..a8baf70 --- /dev/null +++ b/classes/novnc/include/blue.css @@ -0,0 +1,27 @@ + +#noVNC-control-bar { + background-color:#04073d; + background-image: -webkit-gradient( + linear, + left bottom, + left top, + color-stop(0.54, rgb(10,15,79)), + color-stop(0.5, rgb(4,7,61)) + ); + background-image: -moz-linear-gradient( + center bottom, + rgb(10,15,79) 54%, + rgb(4,7,61) 50% + ); +} + +.triangle-right { + border:2px solid #fff; + background:#04073d; + color:#fff; +} + +#keyboardinput { + background-color:#04073d; +} + diff --git a/classes/novnc/include/des.js b/classes/novnc/include/des.js new file mode 100644 index 0000000..1f95285 --- /dev/null +++ b/classes/novnc/include/des.js @@ -0,0 +1,273 @@ +/* + * Ported from Flashlight VNC ActionScript implementation: + * http://www.wizhelp.com/flashlight-vnc/ + * + * Full attribution follows: + * + * ------------------------------------------------------------------------- + * + * This DES class has been extracted from package Acme.Crypto for use in VNC. + * The unnecessary odd parity code has been removed. + * + * These changes are: + * Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + + * DesCipher - the DES encryption method + * + * The meat of this code is by Dave Zimmerman <dzimm@widget.com>, and is: + * + * Copyright (c) 1996 Widget Workshop, Inc. All Rights Reserved. + * + * Permission to use, copy, modify, and distribute this software + * and its documentation for NON-COMMERCIAL or COMMERCIAL purposes and + * without fee is hereby granted, provided that this copyright notice is kept + * intact. + * + * WIDGET WORKSHOP MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY + * OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED + * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. WIDGET WORKSHOP SHALL NOT BE LIABLE + * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. + * + * THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE + * CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE + * PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT + * NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT LIFE + * SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE + * SOFTWARE COULD LEAD DIRECTLY TO DEATH, PERSONAL INJURY, OR SEVERE + * PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH RISK ACTIVITIES"). WIDGET WORKSHOP + * SPECIFICALLY DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR + * HIGH RISK ACTIVITIES. + * + * + * The rest is: + * + * Copyright (C) 1996 by Jef Poskanzer <jef@acme.com>. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Visit the ACME Labs Java page for up-to-date versions of this and other + * fine Java utilities: http://www.acme.com/java/ + */ + +"use strict"; +/*jslint white: false, bitwise: false, plusplus: false */ + +function DES(passwd) { + +// Tables, permutations, S-boxes, etc. +var 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], + z = 0x0, a,b,c,d,e,f, SP1,SP2,SP3,SP4,SP5,SP6,SP7,SP8, + keys = []; + +a=1<<16; b=1<<24; c=a|b; d=1<<2; e=1<<10; f=d|e; +SP1 = [c|e,z|z,a|z,c|f,c|d,a|f,z|d,a|z,z|e,c|e,c|f,z|e,b|f,c|d,b|z,z|d, + z|f,b|e,b|e,a|e,a|e,c|z,c|z,b|f,a|d,b|d,b|d,a|d,z|z,z|f,a|f,b|z, + a|z,c|f,z|d,c|z,c|e,b|z,b|z,z|e,c|d,a|z,a|e,b|d,z|e,z|d,b|f,a|f, + c|f,a|d,c|z,b|f,b|d,z|f,a|f,c|e,z|f,b|e,b|e,z|z,a|d,a|e,z|z,c|d]; +a=1<<20; b=1<<31; c=a|b; d=1<<5; e=1<<15; f=d|e; +SP2 = [c|f,b|e,z|e,a|f,a|z,z|d,c|d,b|f,b|d,c|f,c|e,b|z,b|e,a|z,z|d,c|d, + a|e,a|d,b|f,z|z,b|z,z|e,a|f,c|z,a|d,b|d,z|z,a|e,z|f,c|e,c|z,z|f, + z|z,a|f,c|d,a|z,b|f,c|z,c|e,z|e,c|z,b|e,z|d,c|f,a|f,z|d,z|e,b|z, + z|f,c|e,a|z,b|d,a|d,b|f,b|d,a|d,a|e,z|z,b|e,z|f,b|z,c|d,c|f,a|e]; +a=1<<17; b=1<<27; c=a|b; d=1<<3; e=1<<9; f=d|e; +SP3 = [z|f,c|e,z|z,c|d,b|e,z|z,a|f,b|e,a|d,b|d,b|d,a|z,c|f,a|d,c|z,z|f, + b|z,z|d,c|e,z|e,a|e,c|z,c|d,a|f,b|f,a|e,a|z,b|f,z|d,c|f,z|e,b|z, + c|e,b|z,a|d,z|f,a|z,c|e,b|e,z|z,z|e,a|d,c|f,b|e,b|d,z|e,z|z,c|d, + b|f,a|z,b|z,c|f,z|d,a|f,a|e,b|d,c|z,b|f,z|f,c|z,a|f,z|d,c|d,a|e]; +a=1<<13; b=1<<23; c=a|b; d=1<<0; e=1<<7; f=d|e; +SP4 = [c|d,a|f,a|f,z|e,c|e,b|f,b|d,a|d,z|z,c|z,c|z,c|f,z|f,z|z,b|e,b|d, + z|d,a|z,b|z,c|d,z|e,b|z,a|d,a|e,b|f,z|d,a|e,b|e,a|z,c|e,c|f,z|f, + b|e,b|d,c|z,c|f,z|f,z|z,z|z,c|z,a|e,b|e,b|f,z|d,c|d,a|f,a|f,z|e, + c|f,z|f,z|d,a|z,b|d,a|d,c|e,b|f,a|d,a|e,b|z,c|d,z|e,b|z,a|z,c|e]; +a=1<<25; b=1<<30; c=a|b; d=1<<8; e=1<<19; f=d|e; +SP5 = [z|d,a|f,a|e,c|d,z|e,z|d,b|z,a|e,b|f,z|e,a|d,b|f,c|d,c|e,z|f,b|z, + a|z,b|e,b|e,z|z,b|d,c|f,c|f,a|d,c|e,b|d,z|z,c|z,a|f,a|z,c|z,z|f, + z|e,c|d,z|d,a|z,b|z,a|e,c|d,b|f,a|d,b|z,c|e,a|f,b|f,z|d,a|z,c|e, + c|f,z|f,c|z,c|f,a|e,z|z,b|e,c|z,z|f,a|d,b|d,z|e,z|z,b|e,a|f,b|d]; +a=1<<22; b=1<<29; c=a|b; d=1<<4; e=1<<14; f=d|e; +SP6 = [b|d,c|z,z|e,c|f,c|z,z|d,c|f,a|z,b|e,a|f,a|z,b|d,a|d,b|e,b|z,z|f, + z|z,a|d,b|f,z|e,a|e,b|f,z|d,c|d,c|d,z|z,a|f,c|e,z|f,a|e,c|e,b|z, + b|e,z|d,c|d,a|e,c|f,a|z,z|f,b|d,a|z,b|e,b|z,z|f,b|d,c|f,a|e,c|z, + a|f,c|e,z|z,c|d,z|d,z|e,c|z,a|f,z|e,a|d,b|f,z|z,c|e,b|z,a|d,b|f]; +a=1<<21; b=1<<26; c=a|b; d=1<<1; e=1<<11; f=d|e; +SP7 = [a|z,c|d,b|f,z|z,z|e,b|f,a|f,c|e,c|f,a|z,z|z,b|d,z|d,b|z,c|d,z|f, + b|e,a|f,a|d,b|e,b|d,c|z,c|e,a|d,c|z,z|e,z|f,c|f,a|e,z|d,b|z,a|e, + b|z,a|e,a|z,b|f,b|f,c|d,c|d,z|d,a|d,b|z,b|e,a|z,c|e,z|f,a|f,c|e, + z|f,b|d,c|f,c|z,a|e,z|z,z|d,c|f,z|z,a|f,c|z,z|e,b|d,b|e,z|e,a|d]; +a=1<<18; b=1<<28; c=a|b; d=1<<6; e=1<<12; f=d|e; +SP8 = [b|f,z|e,a|z,c|f,b|z,b|f,z|d,b|z,a|d,c|z,c|f,a|e,c|e,a|f,z|e,z|d, + c|z,b|d,b|e,z|f,a|e,a|d,c|d,c|e,z|f,z|z,z|z,c|d,b|d,b|e,a|f,a|z, + a|f,a|z,c|e,z|e,z|d,c|d,z|e,a|f,b|e,z|d,b|d,c|z,c|d,b|z,a|z,b|f, + z|z,c|f,a|d,b|d,c|z,b|e,b|f,z|z,c|f,a|e,a|e,z|f,z|f,a|d,b|z,c|e]; + +// Set the key. +function setKeys(keyBlock) { + var i, j, l, m, n, o, pc1m = [], pcr = [], kn = [], + raw0, raw1, rawi, KnLi; + + for (j = 0, l = 56; j < 56; ++j, l-=8) { + l += l<-5 ? 65 : l<-3 ? 31 : l<-1 ? 63 : l===27 ? 35 : 0; // PC1 + m = l & 0x7; + pc1m[j] = ((keyBlock[l >>> 3] & (1<<m)) !== 0) ? 1: 0; + } + + for (i = 0; i < 16; ++i) { + m = i << 1; + n = m + 1; + kn[m] = kn[n] = 0; + for (o=28; o<59; o+=28) { + for (j = o-28; j < o; ++j) { + l = j + totrot[i]; + if (l < o) { + pcr[j] = pc1m[l]; + } else { + pcr[j] = pc1m[l - 28]; + } + } + } + for (j = 0; j < 24; ++j) { + if (pcr[PC2[j]] !== 0) { + kn[m] |= 1<<(23-j); + } + if (pcr[PC2[j + 24]] !== 0) { + kn[n] |= 1<<(23-j); + } + } + } + + // cookey + for (i = 0, rawi = 0, KnLi = 0; i < 16; ++i) { + raw0 = kn[rawi++]; + raw1 = kn[rawi++]; + keys[KnLi] = (raw0 & 0x00fc0000) << 6; + keys[KnLi] |= (raw0 & 0x00000fc0) << 10; + keys[KnLi] |= (raw1 & 0x00fc0000) >>> 10; + keys[KnLi] |= (raw1 & 0x00000fc0) >>> 6; + ++KnLi; + keys[KnLi] = (raw0 & 0x0003f000) << 12; + keys[KnLi] |= (raw0 & 0x0000003f) << 16; + keys[KnLi] |= (raw1 & 0x0003f000) >>> 4; + keys[KnLi] |= (raw1 & 0x0000003f); + ++KnLi; + } +} + +// Encrypt 8 bytes of text +function enc8(text) { + var i = 0, b = text.slice(), fval, keysi = 0, + l, r, x; // left, right, accumulator + + // Squash 8 bytes to 2 ints + l = b[i++]<<24 | b[i++]<<16 | b[i++]<<8 | b[i++]; + r = b[i++]<<24 | b[i++]<<16 | b[i++]<<8 | b[i++]; + + x = ((l >>> 4) ^ r) & 0x0f0f0f0f; + r ^= x; + l ^= (x << 4); + x = ((l >>> 16) ^ r) & 0x0000ffff; + r ^= x; + l ^= (x << 16); + x = ((r >>> 2) ^ l) & 0x33333333; + l ^= x; + r ^= (x << 2); + x = ((r >>> 8) ^ l) & 0x00ff00ff; + l ^= x; + r ^= (x << 8); + r = (r << 1) | ((r >>> 31) & 1); + x = (l ^ r) & 0xaaaaaaaa; + l ^= x; + r ^= x; + l = (l << 1) | ((l >>> 31) & 1); + + for (i = 0; i < 8; ++i) { + x = (r << 28) | (r >>> 4); + x ^= keys[keysi++]; + fval = SP7[x & 0x3f]; + fval |= SP5[(x >>> 8) & 0x3f]; + fval |= SP3[(x >>> 16) & 0x3f]; + fval |= SP1[(x >>> 24) & 0x3f]; + x = r ^ keys[keysi++]; + fval |= SP8[x & 0x3f]; + fval |= SP6[(x >>> 8) & 0x3f]; + fval |= SP4[(x >>> 16) & 0x3f]; + fval |= SP2[(x >>> 24) & 0x3f]; + l ^= fval; + x = (l << 28) | (l >>> 4); + x ^= keys[keysi++]; + fval = SP7[x & 0x3f]; + fval |= SP5[(x >>> 8) & 0x3f]; + fval |= SP3[(x >>> 16) & 0x3f]; + fval |= SP1[(x >>> 24) & 0x3f]; + x = l ^ keys[keysi++]; + fval |= SP8[x & 0x0000003f]; + fval |= SP6[(x >>> 8) & 0x3f]; + fval |= SP4[(x >>> 16) & 0x3f]; + fval |= SP2[(x >>> 24) & 0x3f]; + r ^= fval; + } + + r = (r << 31) | (r >>> 1); + x = (l ^ r) & 0xaaaaaaaa; + l ^= x; + r ^= x; + l = (l << 31) | (l >>> 1); + x = ((l >>> 8) ^ r) & 0x00ff00ff; + r ^= x; + l ^= (x << 8); + x = ((l >>> 2) ^ r) & 0x33333333; + r ^= x; + l ^= (x << 2); + x = ((r >>> 16) ^ l) & 0x0000ffff; + l ^= x; + r ^= (x << 16); + x = ((r >>> 4) ^ l) & 0x0f0f0f0f; + l ^= x; + r ^= (x << 4); + + // Spread ints to bytes + x = [r, l]; + for (i = 0; i < 8; i++) { + b[i] = (x[i>>>2] >>> (8*(3 - (i%4)))) % 256; + if (b[i] < 0) { b[i] += 256; } // unsigned + } + return b; +} + +// Encrypt 16 bytes of text using passwd as key +function encrypt(t) { + return enc8(t.slice(0,8)).concat(enc8(t.slice(8,16))); +} + +setKeys(passwd); // Setup keys +return {'encrypt': encrypt}; // Public interface + +} // function DES diff --git a/classes/novnc/include/display.js b/classes/novnc/include/display.js new file mode 100644 index 0000000..2cf262d --- /dev/null +++ b/classes/novnc/include/display.js @@ -0,0 +1,671 @@ +/* + * noVNC: HTML5 VNC client + * Copyright (C) 2011 Joel Martin + * Licensed under LGPL-3 (see LICENSE.txt) + * + * See README.md for usage and integration instructions. + */ + +/*jslint browser: true, white: false, bitwise: false */ +/*global Util, Base64, changeCursor */ + +function Display(defaults) { +"use strict"; + +var that = {}, // Public API methods + conf = {}, // Configuration attributes + + // Private Display namespace variables + c_ctx = null, + c_forceCanvas = false, + + // Predefine function variables (jslint) + imageDataGet, rgbxImageData, cmapImageData, + setFillColor, rescale, + + // The full frame buffer (logical canvas) size + fb_width = 0, + fb_height = 0, + // The visible "physical canvas" viewport + viewport = {'x': 0, 'y': 0, 'w' : 0, 'h' : 0 }, + cleanRect = {'x1': 0, 'y1': 0, 'x2': -1, 'y2': -1}, + + c_prevStyle = "", + tile = null, + tile16x16 = null, + tile_x = 0, + tile_y = 0; + + +// Configuration attributes +Util.conf_defaults(conf, that, defaults, [ + ['target', 'wo', 'dom', null, 'Canvas element for rendering'], + ['context', 'ro', 'raw', null, 'Canvas 2D context for rendering (read-only)'], + ['logo', 'rw', 'raw', null, 'Logo to display when cleared: {"width": width, "height": height, "data": data}'], + ['true_color', 'rw', 'bool', true, 'Use true-color pixel data'], + ['colourMap', 'rw', 'arr', [], 'Colour map array (when not true-color)'], + ['scale', 'rw', 'float', 1.0, 'Display area scale factor 0.0 - 1.0'], + ['viewport', 'rw', 'bool', false, 'Use a viewport set with viewportChange()'], + ['width', 'rw', 'int', null, 'Display area width'], + ['height', 'rw', 'int', null, 'Display area height'], + + ['render_mode', 'ro', 'str', '', 'Canvas rendering mode (read-only)'], + + ['prefer_js', 'rw', 'str', null, 'Prefer Javascript over canvas methods'], + ['cursor_uri', 'rw', 'raw', null, 'Can we render cursor using data URI'] + ]); + +// Override some specific getters/setters +that.get_context = function () { return c_ctx; }; + +that.set_scale = function(scale) { rescale(scale); }; + +that.set_width = function (val) { that.resize(val, fb_height); }; +that.get_width = function() { return fb_width; }; + +that.set_height = function (val) { that.resize(fb_width, val); }; +that.get_height = function() { return fb_height; }; + + + +// +// Private functions +// + +// Create the public API interface +function constructor() { + Util.Debug(">> Display.constructor"); + + var c, func, i, curDat, curSave, + has_imageData = false, UE = Util.Engine; + + if (! conf.target) { throw("target must be set"); } + + if (typeof conf.target === 'string') { + throw("target must be a DOM element"); + } + + c = conf.target; + + if (! c.getContext) { throw("no getContext method"); } + + if (! c_ctx) { c_ctx = c.getContext('2d'); } + + Util.Debug("User Agent: " + navigator.userAgent); + if (UE.gecko) { Util.Debug("Browser: gecko " + UE.gecko); } + if (UE.webkit) { Util.Debug("Browser: webkit " + UE.webkit); } + if (UE.trident) { Util.Debug("Browser: trident " + UE.trident); } + if (UE.presto) { Util.Debug("Browser: presto " + UE.presto); } + + that.clear(); + + // Check canvas features + if ('createImageData' in c_ctx) { + conf.render_mode = "canvas rendering"; + } else { + throw("Canvas does not support createImageData"); + } + if (conf.prefer_js === null) { + Util.Info("Prefering javascript operations"); + conf.prefer_js = true; + } + + // Initialize cached tile imageData + tile16x16 = c_ctx.createImageData(16, 16); + + /* + * Determine browser support for setting the cursor via data URI + * scheme + */ + curDat = []; + for (i=0; i < 8 * 8 * 4; i += 1) { + curDat.push(255); + } + try { + curSave = c.style.cursor; + changeCursor(conf.target, curDat, curDat, 2, 2, 8, 8); + if (c.style.cursor) { + if (conf.cursor_uri === null) { + conf.cursor_uri = true; + } + Util.Info("Data URI scheme cursor supported"); + } else { + if (conf.cursor_uri === null) { + conf.cursor_uri = false; + } + Util.Warn("Data URI scheme cursor not supported"); + } + c.style.cursor = curSave; + } catch (exc2) { + Util.Error("Data URI scheme cursor test exception: " + exc2); + conf.cursor_uri = false; + } + + Util.Debug("<< Display.constructor"); + return that ; +} + +rescale = function(factor) { + var c, tp, x, y, + properties = ['transform', 'WebkitTransform', 'MozTransform', null]; + c = conf.target; + tp = properties.shift(); + while (tp) { + if (typeof c.style[tp] !== 'undefined') { + break; + } + tp = properties.shift(); + } + + if (tp === null) { + Util.Debug("No scaling support"); + return; + } + + + if (typeof(factor) === "undefined") { + factor = conf.scale; + } else if (factor > 1.0) { + factor = 1.0; + } else if (factor < 0.1) { + factor = 0.1; + } + + if (conf.scale === factor) { + //Util.Debug("Display already scaled to '" + factor + "'"); + return; + } + + conf.scale = factor; + x = c.width - c.width * factor; + y = c.height - c.height * factor; + c.style[tp] = "scale(" + conf.scale + ") translate(-" + x + "px, -" + y + "px)"; +}; + +setFillColor = function(color) { + var rgb, newStyle; + if (conf.true_color) { + rgb = color; + } else { + rgb = conf.colourMap[color[0]]; + } + newStyle = "rgb(" + rgb[0] + "," + rgb[1] + "," + rgb[2] + ")"; + if (newStyle !== c_prevStyle) { + c_ctx.fillStyle = newStyle; + c_prevStyle = newStyle; + } +}; + + +// +// Public API interface functions +// + +// Shift and/or resize the visible viewport +that.viewportChange = function(deltaX, deltaY, width, height) { + var c = conf.target, v = viewport, cr = cleanRect, + saveImg = null, saveStyle, x1, y1, vx2, vy2, w, h; + + if (!conf.viewport) { + Util.Debug("Setting viewport to full display region"); + deltaX = -v.w; // Clamped later if out of bounds + deltaY = -v.h; // Clamped later if out of bounds + width = fb_width; + height = fb_height; + } + + if (typeof(deltaX) === "undefined") { deltaX = 0; } + if (typeof(deltaY) === "undefined") { deltaY = 0; } + if (typeof(width) === "undefined") { width = v.w; } + if (typeof(height) === "undefined") { height = v.h; } + + // Size change + + if (width > fb_width) { width = fb_width; } + if (height > fb_height) { height = fb_height; } + + if ((v.w !== width) || (v.h !== height)) { + // Change width + if ((width < v.w) && (cr.x2 > v.x + width -1)) { + cr.x2 = v.x + width - 1; + } + v.w = width; + + // Change height + if ((height < v.h) && (cr.y2 > v.y + height -1)) { + cr.y2 = v.y + height - 1; + } + v.h = height; + + + if (v.w > 0 && v.h > 0 && c.width > 0 && c.height > 0) { + saveImg = c_ctx.getImageData(0, 0, + (c.width < v.w) ? c.width : v.w, + (c.height < v.h) ? c.height : v.h); + } + + c.width = v.w; + c.height = v.h; + + if (saveImg) { + c_ctx.putImageData(saveImg, 0, 0); + } + } + + vx2 = v.x + v.w - 1; + vy2 = v.y + v.h - 1; + + + // Position change + + if ((deltaX < 0) && ((v.x + deltaX) < 0)) { + deltaX = - v.x; + } + if ((vx2 + deltaX) >= fb_width) { + deltaX -= ((vx2 + deltaX) - fb_width + 1); + } + + if ((v.y + deltaY) < 0) { + deltaY = - v.y; + } + if ((vy2 + deltaY) >= fb_height) { + deltaY -= ((vy2 + deltaY) - fb_height + 1); + } + + if ((deltaX === 0) && (deltaY === 0)) { + //Util.Debug("skipping viewport change"); + return; + } + Util.Debug("viewportChange deltaX: " + deltaX + ", deltaY: " + deltaY); + + v.x += deltaX; + vx2 += deltaX; + v.y += deltaY; + vy2 += deltaY; + + // Update the clean rectangle + if (v.x > cr.x1) { + cr.x1 = v.x; + } + if (vx2 < cr.x2) { + cr.x2 = vx2; + } + if (v.y > cr.y1) { + cr.y1 = v.y; + } + if (vy2 < cr.y2) { + cr.y2 = vy2; + } + + if (deltaX < 0) { + // Shift viewport left, redraw left section + x1 = 0; + w = - deltaX; + } else { + // Shift viewport right, redraw right section + x1 = v.w - deltaX; + w = deltaX; + } + if (deltaY < 0) { + // Shift viewport up, redraw top section + y1 = 0; + h = - deltaY; + } else { + // Shift viewport down, redraw bottom section + y1 = v.h - deltaY; + h = deltaY; + } + + // Copy the valid part of the viewport to the shifted location + saveStyle = c_ctx.fillStyle; + c_ctx.fillStyle = "rgb(255,255,255)"; + if (deltaX !== 0) { + //that.copyImage(0, 0, -deltaX, 0, v.w, v.h); + //that.fillRect(x1, 0, w, v.h, [255,255,255]); + c_ctx.drawImage(c, 0, 0, v.w, v.h, -deltaX, 0, v.w, v.h); + c_ctx.fillRect(x1, 0, w, v.h); + } + if (deltaY !== 0) { + //that.copyImage(0, 0, 0, -deltaY, v.w, v.h); + //that.fillRect(0, y1, v.w, h, [255,255,255]); + c_ctx.drawImage(c, 0, 0, v.w, v.h, 0, -deltaY, v.w, v.h); + c_ctx.fillRect(0, y1, v.w, h); + } + c_ctx.fillStyle = saveStyle; +}; + + +// Return a map of clean and dirty areas of the viewport and reset the +// tracking of clean and dirty areas. +// +// Returns: {'cleanBox': {'x': x, 'y': y, 'w': w, 'h': h}, +// 'dirtyBoxes': [{'x': x, 'y': y, 'w': w, 'h': h}, ...]} +that.getCleanDirtyReset = function() { + var v = viewport, c = cleanRect, cleanBox, dirtyBoxes = [], + vx2 = v.x + v.w - 1, vy2 = v.y + v.h - 1; + + + // Copy the cleanRect + cleanBox = {'x': c.x1, 'y': c.y1, + 'w': c.x2 - c.x1 + 1, 'h': c.y2 - c.y1 + 1}; + + if ((c.x1 >= c.x2) || (c.y1 >= c.y2)) { + // Whole viewport is dirty + dirtyBoxes.push({'x': v.x, 'y': v.y, 'w': v.w, 'h': v.h}); + } else { + // Redraw dirty regions + if (v.x < c.x1) { + // left side dirty region + dirtyBoxes.push({'x': v.x, 'y': v.y, + 'w': c.x1 - v.x + 1, 'h': v.h}); + } + if (vx2 > c.x2) { + // right side dirty region + dirtyBoxes.push({'x': c.x2 + 1, 'y': v.y, + 'w': vx2 - c.x2, 'h': v.h}); + } + if (v.y < c.y1) { + // top/middle dirty region + dirtyBoxes.push({'x': c.x1, 'y': v.y, + 'w': c.x2 - c.x1 + 1, 'h': c.y1 - v.y}); + } + if (vy2 > c.y2) { + // bottom/middle dirty region + dirtyBoxes.push({'x': c.x1, 'y': c.y2 + 1, + 'w': c.x2 - c.x1 + 1, 'h': vy2 - c.y2}); + } + } + + // Reset the cleanRect to the whole viewport + cleanRect = {'x1': v.x, 'y1': v.y, + 'x2': v.x + v.w - 1, 'y2': v.y + v.h - 1}; + + return {'cleanBox': cleanBox, 'dirtyBoxes': dirtyBoxes}; +}; + +// Translate viewport coordinates to absolute coordinates +that.absX = function(x) { + return x + viewport.x; +} +that.absY = function(y) { + return y + viewport.y; +} + + +that.resize = function(width, height) { + c_prevStyle = ""; + + fb_width = width; + fb_height = height; + + rescale(conf.scale); + that.viewportChange(); +}; + +that.clear = function() { + + if (conf.logo) { + that.resize(conf.logo.width, conf.logo.height); + that.blitStringImage(conf.logo.data, 0, 0); + } else { + that.resize(640, 20); + c_ctx.clearRect(0, 0, viewport.w, viewport.h); + } + + // No benefit over default ("source-over") in Chrome and firefox + //c_ctx.globalCompositeOperation = "copy"; +}; + +that.fillRect = function(x, y, width, height, color) { + setFillColor(color); + c_ctx.fillRect(x - viewport.x, y - viewport.y, width, height); +}; + +that.copyImage = function(old_x, old_y, new_x, new_y, w, h) { + var x1 = old_x - viewport.x, y1 = old_y - viewport.y, + x2 = new_x - viewport.x, y2 = new_y - viewport.y; + c_ctx.drawImage(conf.target, x1, y1, w, h, x2, y2, w, h); +}; + + +// Start updating a tile +that.startTile = function(x, y, width, height, color) { + var data, rgb, red, green, blue, i; + tile_x = x; + tile_y = y; + if ((width === 16) && (height === 16)) { + tile = tile16x16; + } else { + tile = c_ctx.createImageData(width, height); + } + data = tile.data; + if (conf.prefer_js) { + if (conf.true_color) { + rgb = color; + } else { + rgb = conf.colourMap[color[0]]; + } + red = rgb[0]; + green = rgb[1]; + blue = rgb[2]; + for (i = 0; i < (width * height * 4); i+=4) { + data[i ] = red; + data[i + 1] = green; + data[i + 2] = blue; + data[i + 3] = 255; + } + } else { + that.fillRect(x, y, width, height, color); + } +}; + +// Update sub-rectangle of the current tile +that.subTile = function(x, y, w, h, color) { + var data, p, rgb, red, green, blue, width, j, i, xend, yend; + if (conf.prefer_js) { + data = tile.data; + width = tile.width; + if (conf.true_color) { + rgb = color; + } else { + rgb = conf.colourMap[color[0]]; + } + red = rgb[0]; + green = rgb[1]; + blue = rgb[2]; + xend = x + w; + yend = y + h; + for (j = y; j < yend; j += 1) { + for (i = x; i < xend; i += 1) { + p = (i + (j * width) ) * 4; + data[p ] = red; + data[p + 1] = green; + data[p + 2] = blue; + data[p + 3] = 255; + } + } + } else { + that.fillRect(tile_x + x, tile_y + y, w, h, color); + } +}; + +// Draw the current tile to the screen +that.finishTile = function() { + if (conf.prefer_js) { + c_ctx.putImageData(tile, tile_x - viewport.x, tile_y - viewport.y) + } + // else: No-op, if not prefer_js then already done by setSubTile +}; + +rgbxImageData = function(x, y, width, height, arr, offset) { + var img, i, j, data, v = viewport; + /* + if ((x - v.x >= v.w) || (y - v.y >= v.h) || + (x - v.x + width < 0) || (y - v.y + height < 0)) { + // Skipping because outside of viewport + return; + } + */ + img = c_ctx.createImageData(width, height); + data = img.data; + for (i=0, j=offset; i < (width * height * 4); i=i+4, j=j+4) { + data[i ] = arr[j ]; + data[i + 1] = arr[j + 1]; + data[i + 2] = arr[j + 2]; + data[i + 3] = 255; // Set Alpha + } + c_ctx.putImageData(img, x - v.x, y - v.y); +}; + +cmapImageData = function(x, y, width, height, arr, offset) { + var img, i, j, data, rgb, cmap; + img = c_ctx.createImageData(width, height); + data = img.data; + cmap = conf.colourMap; + for (i=0, j=offset; i < (width * height * 4); i+=4, j+=1) { + rgb = cmap[arr[j]]; + data[i ] = rgb[0]; + data[i + 1] = rgb[1]; + data[i + 2] = rgb[2]; + data[i + 3] = 255; // Set Alpha + } + c_ctx.putImageData(img, x - viewport.x, y - viewport.y); +}; + +that.blitImage = function(x, y, width, height, arr, offset) { + if (conf.true_color) { + rgbxImageData(x, y, width, height, arr, offset); + } else { + cmapImageData(x, y, width, height, arr, offset); + } +}; + +that.blitStringImage = function(str, x, y) { + var img = new Image(); + img.onload = function () { + c_ctx.drawImage(img, x - viewport.x, y - viewport.y); + }; + img.src = str; +}; + +that.changeCursor = function(pixels, mask, hotx, hoty, w, h) { + if (conf.cursor_uri === false) { + Util.Warn("changeCursor called but no cursor data URI support"); + return; + } + + if (conf.true_color) { + changeCursor(conf.target, pixels, mask, hotx, hoty, w, h); + } else { + changeCursor(conf.target, pixels, mask, hotx, hoty, w, h, conf.colourMap); + } +}; + +that.defaultCursor = function() { + conf.target.style.cursor = "default"; +}; + +return constructor(); // Return the public API interface + +} // End of Display() + + +/* Set CSS cursor property using data URI encoded cursor file */ +function changeCursor(target, pixels, mask, hotx, hoty, w, h, cmap) { + "use strict"; + var cur = [], rgb, IHDRsz, RGBsz, ANDsz, XORsz, url, idx, alpha, x, y; + //Util.Debug(">> changeCursor, x: " + hotx + ", y: " + hoty + ", w: " + w + ", h: " + h); + + // Push multi-byte little-endian values + cur.push16le = function (num) { + this.push((num ) & 0xFF, + (num >> 8) & 0xFF ); + }; + cur.push32le = function (num) { + this.push((num ) & 0xFF, + (num >> 8) & 0xFF, + (num >> 16) & 0xFF, + (num >> 24) & 0xFF ); + }; + + IHDRsz = 40; + RGBsz = w * h * 4; + XORsz = Math.ceil( (w * h) / 8.0 ); + ANDsz = Math.ceil( (w * h) / 8.0 ); + + // Main header + cur.push16le(0); // 0: Reserved + cur.push16le(2); // 2: .CUR type + cur.push16le(1); // 4: Number of images, 1 for non-animated ico + + // Cursor #1 header (ICONDIRENTRY) + cur.push(w); // 6: width + cur.push(h); // 7: height + cur.push(0); // 8: colors, 0 -> true-color + cur.push(0); // 9: reserved + cur.push16le(hotx); // 10: hotspot x coordinate + cur.push16le(hoty); // 12: hotspot y coordinate + cur.push32le(IHDRsz + RGBsz + XORsz + ANDsz); + // 14: cursor data byte size + cur.push32le(22); // 18: offset of cursor data in the file + + + // Cursor #1 InfoHeader (ICONIMAGE/BITMAPINFO) + cur.push32le(IHDRsz); // 22: Infoheader size + cur.push32le(w); // 26: Cursor width + cur.push32le(h*2); // 30: XOR+AND height + cur.push16le(1); // 34: number of planes + cur.push16le(32); // 36: bits per pixel + cur.push32le(0); // 38: Type of compression + + cur.push32le(XORsz + ANDsz); // 43: Size of Image + // Gimp leaves this as 0 + + cur.push32le(0); // 46: reserved + cur.push32le(0); // 50: reserved + cur.push32le(0); // 54: reserved + cur.push32le(0); // 58: reserved + + // 62: color data (RGBQUAD icColors[]) + for (y = h-1; y >= 0; y -= 1) { + for (x = 0; x < w; x += 1) { + idx = y * Math.ceil(w / 8) + Math.floor(x/8); + alpha = (mask[idx] << (x % 8)) & 0x80 ? 255 : 0; + + if (cmap) { + idx = (w * y) + x; + rgb = cmap[pixels[idx]]; + cur.push(rgb[2]); // blue + cur.push(rgb[1]); // green + cur.push(rgb[0]); // red + cur.push(alpha); // alpha + } else { + idx = ((w * y) + x) * 4; + cur.push(pixels[idx + 2]); // blue + cur.push(pixels[idx + 1]); // green + cur.push(pixels[idx ]); // red + cur.push(alpha); // alpha + } + } + } + + // XOR/bitmask data (BYTE icXOR[]) + // (ignored, just needs to be right size) + for (y = 0; y < h; y += 1) { + for (x = 0; x < Math.ceil(w / 8); x += 1) { + cur.push(0x00); + } + } + + // AND/bitmask data (BYTE icAND[]) + // (ignored, just needs to be right size) + for (y = 0; y < h; y += 1) { + for (x = 0; x < Math.ceil(w / 8); x += 1) { + cur.push(0x00); + } + } + + url = "data:image/x-icon;base64," + Base64.encode(cur); + target.style.cursor = "url(" + url + ") " + hotx + " " + hoty + ", default"; + //Util.Debug("<< changeCursor, cur.length: " + cur.length); +} diff --git a/classes/novnc/include/input.js b/classes/novnc/include/input.js new file mode 100644 index 0000000..3124d08 --- /dev/null +++ b/classes/novnc/include/input.js @@ -0,0 +1,1884 @@ +/* + * noVNC: HTML5 VNC client + * Copyright (C) 2011 Joel Martin + * Licensed under LGPL-2 or any later version (see LICENSE.txt) + */ + +/*jslint browser: true, white: false, bitwise: false */ +/*global window, Util */ + + +// +// Keyboard event handler +// + +function Keyboard(defaults) { +"use strict"; + +var that = {}, // Public API methods + conf = {}, // Configuration attributes + + keyDownList = []; // List of depressed keys + // (even if they are happy) + +// Configuration attributes +Util.conf_defaults(conf, that, defaults, [ + ['target', 'wo', 'dom', document, 'DOM element that captures keyboard input'], + ['focused', 'rw', 'bool', true, 'Capture and send key events'], + + ['onKeyPress', 'rw', 'func', null, 'Handler for key press/release'] + ]); + + +// +// Private functions +// + +// From the event keyCode return the keysym value for keys that need +// to be suppressed otherwise they may trigger unintended browser +// actions +function getKeysymSpecial(evt) { + var keysym = null; + + switch ( evt.keyCode ) { + // These generate a keyDown and keyPress in Firefox and Opera + case 8 : keysym = 0xFF08; break; // BACKSPACE + case 13 : keysym = 0xFF0D; break; // ENTER + + // This generates a keyDown and keyPress in Opera + case 9 : keysym = 0xFF09; break; // TAB + default : break; + } + + if (evt.type === 'keydown') { + switch ( evt.keyCode ) { + case 27 : keysym = 0xFF1B; break; // ESCAPE + case 46 : keysym = 0xFFFF; break; // DELETE + + case 36 : keysym = 0xFF50; break; // HOME + case 35 : keysym = 0xFF57; break; // END + case 33 : keysym = 0xFF55; break; // PAGE_UP + case 34 : keysym = 0xFF56; break; // PAGE_DOWN + case 45 : keysym = 0xFF63; break; // INSERT + // '-' during keyPress + case 37 : keysym = 0xFF51; break; // LEFT + case 38 : keysym = 0xFF52; break; // UP + case 39 : keysym = 0xFF53; break; // RIGHT + case 40 : keysym = 0xFF54; break; // DOWN + case 16 : keysym = 0xFFE1; break; // SHIFT + case 17 : keysym = 0xFFE3; break; // CONTROL + //case 18 : keysym = 0xFFE7; break; // Left Meta (Mac Option) + case 18 : keysym = 0xFFE9; break; // Left ALT (Mac Command) + + case 112 : keysym = 0xFFBE; break; // F1 + case 113 : keysym = 0xFFBF; break; // F2 + case 114 : keysym = 0xFFC0; break; // F3 + case 115 : keysym = 0xFFC1; break; // F4 + case 116 : keysym = 0xFFC2; break; // F5 + case 117 : keysym = 0xFFC3; break; // F6 + case 118 : keysym = 0xFFC4; break; // F7 + case 119 : keysym = 0xFFC5; break; // F8 + case 120 : keysym = 0xFFC6; break; // F9 + case 121 : keysym = 0xFFC7; break; // F10 + case 122 : keysym = 0xFFC8; break; // F11 + case 123 : keysym = 0xFFC9; break; // F12 + + default : break; + } + } + + if ((!keysym) && (evt.ctrlKey || evt.altKey)) { + if ((typeof(evt.which) !== "undefined") && (evt.which > 0)) { + keysym = evt.which; + } else { + // IE9 always + // Firefox and Opera when ctrl/alt + special + Util.Warn("which not set, using keyCode"); + keysym = evt.keyCode; + } + + /* Remap symbols */ + switch (keysym) { + case 186 : keysym = 59; break; // ; (IE) + case 187 : keysym = 61; break; // = (IE) + case 188 : keysym = 44; break; // , (Mozilla, IE) + case 109 : // - (Mozilla, Opera) + if (Util.Engine.gecko || Util.Engine.presto) { + keysym = 45; } + break; + case 189 : keysym = 45; break; // - (IE) + case 190 : keysym = 46; break; // . (Mozilla, IE) + case 191 : keysym = 47; break; // / (Mozilla, IE) + case 192 : keysym = 96; break; // ` (Mozilla, IE) + case 219 : keysym = 91; break; // [ (Mozilla, IE) + case 220 : keysym = 92; break; // \ (Mozilla, IE) + case 221 : keysym = 93; break; // ] (Mozilla, IE) + case 222 : keysym = 39; break; // ' (Mozilla, IE) + } + + /* Remap shifted and unshifted keys */ + if (!!evt.shiftKey) { + switch (keysym) { + case 48 : keysym = 41 ; break; // ) (shifted 0) + case 49 : keysym = 33 ; break; // ! (shifted 1) + case 50 : keysym = 64 ; break; // @ (shifted 2) + case 51 : keysym = 35 ; break; // # (shifted 3) + case 52 : keysym = 36 ; break; // $ (shifted 4) + case 53 : keysym = 37 ; break; // % (shifted 5) + case 54 : keysym = 94 ; break; // ^ (shifted 6) + case 55 : keysym = 38 ; break; // & (shifted 7) + case 56 : keysym = 42 ; break; // * (shifted 8) + case 57 : keysym = 40 ; break; // ( (shifted 9) + + case 59 : keysym = 58 ; break; // : (shifted `) + case 61 : keysym = 43 ; break; // + (shifted ;) + case 44 : keysym = 60 ; break; // < (shifted ,) + case 45 : keysym = 95 ; break; // _ (shifted -) + case 46 : keysym = 62 ; break; // > (shifted .) + case 47 : keysym = 63 ; break; // ? (shifted /) + case 96 : keysym = 126; break; // ~ (shifted `) + case 91 : keysym = 123; break; // { (shifted [) + case 92 : keysym = 124; break; // | (shifted \) + case 93 : keysym = 125; break; // } (shifted ]) + case 39 : keysym = 34 ; break; // " (shifted ') + } + } else if ((keysym >= 65) && (keysym <=90)) { + /* Remap unshifted A-Z */ + keysym += 32; + } else if (evt.keyLocation === 3) { + // numpad keys + switch (keysym) { + case 96 : keysym = 48; break; // 0 + case 97 : keysym = 49; break; // 1 + case 98 : keysym = 50; break; // 2 + case 99 : keysym = 51; break; // 3 + case 100: keysym = 52; break; // 4 + case 101: keysym = 53; break; // 5 + case 102: keysym = 54; break; // 6 + case 103: keysym = 55; break; // 7 + case 104: keysym = 56; break; // 8 + case 105: keysym = 57; break; // 9 + case 109: keysym = 45; break; // - + case 110: keysym = 46; break; // . + case 111: keysym = 47; break; // / + } + } + } + + return keysym; +} + +/* Translate DOM keyPress event to keysym value */ +function getKeysym(evt) { + var keysym, msg; + + if (typeof(evt.which) !== "undefined") { + // WebKit, Firefox, Opera + keysym = evt.which; + } else { + // IE9 + Util.Warn("which not set, using keyCode"); + keysym = evt.keyCode; + } + + if ((keysym > 255) && (keysym < 0xFF00)) { + msg = "Mapping character code " + keysym; + // Map Unicode outside Latin 1 to X11 keysyms + keysym = unicodeTable[keysym]; + if (typeof(keysym) === 'undefined') { + keysym = 0; + } + Util.Debug(msg + " to " + keysym); + } + + return keysym; +} + +function show_keyDownList(kind) { + var c; + var msg = "keyDownList (" + kind + "):\n"; + for (c = 0; c < keyDownList.length; c++) { + msg = msg + " " + c + " - keyCode: " + keyDownList[c].keyCode + + " - which: " + keyDownList[c].which + "\n"; + } + Util.Debug(msg); +} + +function copyKeyEvent(evt) { + var members = ['type', 'keyCode', 'charCode', 'which', + 'altKey', 'ctrlKey', 'shiftKey', + 'keyLocation', 'keyIdentifier'], i, obj = {}; + for (i = 0; i < members.length; i++) { + if (typeof(evt[members[i]]) !== "undefined") { + obj[members[i]] = evt[members[i]]; + } + } + return obj; +} + +function pushKeyEvent(fevt) { + keyDownList.push(fevt); +} + +function getKeyEvent(keyCode, pop) { + var i, fevt = null; + for (i = keyDownList.length-1; i >= 0; i--) { + if (keyDownList[i].keyCode === keyCode) { + if ((typeof(pop) !== "undefined") && (pop)) { + fevt = keyDownList.splice(i, 1)[0]; + } else { + fevt = keyDownList[i]; + } + break; + } + } + return fevt; +} + +function ignoreKeyEvent(evt) { + // Blarg. Some keys have a different keyCode on keyDown vs keyUp + if (evt.keyCode === 229) { + // French AZERTY keyboard dead key. + // Lame thing is that the respective keyUp is 219 so we can't + // properly ignore the keyUp event + return true; + } + return false; +} + + +// +// Key Event Handling: +// +// There are several challenges when dealing with key events: +// - The meaning and use of keyCode, charCode and which depends on +// both the browser and the event type (keyDown/Up vs keyPress). +// - We cannot automatically determine the keyboard layout +// - The keyDown and keyUp events have a keyCode value that has not +// been translated by modifier keys. +// - The keyPress event has a translated (for layout and modifiers) +// character code but the attribute containing it differs. keyCode +// contains the translated value in WebKit (Chrome/Safari), Opera +// 11 and IE9. charCode contains the value in WebKit and Firefox. +// The which attribute contains the value on WebKit, Firefox and +// Opera 11. +// - The keyDown/Up keyCode value indicates (sort of) the physical +// key was pressed but only for standard US layout. On a US +// keyboard, the '-' and '_' characters are on the same key and +// generate a keyCode value of 189. But on an AZERTY keyboard even +// though they are different physical keys they both still +// generate a keyCode of 189! +// - To prevent a key event from propagating to the browser and +// causing unwanted default actions (such as closing a tab, +// opening a menu, shifting focus, etc) we must suppress this +// event in both keyDown and keyPress because not all key strokes +// generate on a keyPress event. Also, in WebKit and IE9 +// suppressing the keyDown prevents a keyPress but other browsers +// still generated a keyPress even if keyDown is suppressed. +// +// For safe key events, we wait until the keyPress event before +// reporting a key down event. For unsafe key events, we report a key +// down event when the keyDown event fires and we suppress any further +// actions (including keyPress). +// +// In order to report a key up event that matches what we reported +// for the key down event, we keep a list of keys that are currently +// down. When the keyDown event happens, we add the key event to the +// list. If it is a safe key event, then we update the which attribute +// in the most recent item on the list when we received a keyPress +// event (keyPress should immediately follow keyDown). When we +// received a keyUp event we search for the event on the list with +// a matching keyCode and we report the character code using the value +// in the 'which' attribute that was stored with that key. +// + +function onKeyDown(e) { + if (! conf.focused) { + return true; + } + var fevt = null, evt = (e ? e : window.event), + keysym = null, suppress = false; + //Util.Debug("onKeyDown kC:" + evt.keyCode + " cC:" + evt.charCode + " w:" + evt.which); + + fevt = copyKeyEvent(evt); + + keysym = getKeysymSpecial(evt); + // Save keysym decoding for use in keyUp + fevt.keysym = keysym; + if (keysym) { + // If it is a key or key combination that might trigger + // browser behaviors or it has no corresponding keyPress + // event, then send it immediately + if (conf.onKeyPress && !ignoreKeyEvent(evt)) { + Util.Debug("onKeyPress down, keysym: " + keysym + + " (onKeyDown key: " + evt.keyCode + + ", which: " + evt.which + ")"); + conf.onKeyPress(keysym, 1, evt); + } + suppress = true; + } + + if (! ignoreKeyEvent(evt)) { + // Add it to the list of depressed keys + pushKeyEvent(fevt); + //show_keyDownList('down'); + } + + if (suppress) { + // Suppress bubbling/default actions + Util.stopEvent(e); + return false; + } else { + // Allow the event to bubble and become a keyPress event which + // will have the character code translated + return true; + } +} + +function onKeyPress(e) { + if (! conf.focused) { + return true; + } + var evt = (e ? e : window.event), + kdlen = keyDownList.length, keysym = null; + //Util.Debug("onKeyPress kC:" + evt.keyCode + " cC:" + evt.charCode + " w:" + evt.which); + + if (((evt.which !== "undefined") && (evt.which === 0)) || + (getKeysymSpecial(evt))) { + // Firefox and Opera generate a keyPress event even if keyDown + // is suppressed. But the keys we want to suppress will have + // either: + // - the which attribute set to 0 + // - getKeysymSpecial() will identify it + Util.Debug("Ignoring special key in keyPress"); + Util.stopEvent(e); + return false; + } + + keysym = getKeysym(evt); + + // Modify the the which attribute in the depressed keys list so + // that the keyUp event will be able to have the character code + // translation available. + if (kdlen > 0) { + keyDownList[kdlen-1].keysym = keysym; + } else { + Util.Warn("keyDownList empty when keyPress triggered"); + } + + //show_keyDownList('press'); + + // Send the translated keysym + if (conf.onKeyPress && (keysym > 0)) { + Util.Debug("onKeyPress down, keysym: " + keysym + + " (onKeyPress key: " + evt.keyCode + + ", which: " + evt.which + ")"); + conf.onKeyPress(keysym, 1, evt); + } + + // Stop keypress events just in case + Util.stopEvent(e); + return false; +} + +function onKeyUp(e) { + if (! conf.focused) { + return true; + } + var fevt = null, evt = (e ? e : window.event), keysym; + //Util.Debug("onKeyUp kC:" + evt.keyCode + " cC:" + evt.charCode + " w:" + evt.which); + + fevt = getKeyEvent(evt.keyCode, true); + + if (fevt) { + keysym = fevt.keysym; + } else { + Util.Warn("Key event (keyCode = " + evt.keyCode + + ") not found on keyDownList"); + keysym = 0; + } + + //show_keyDownList('up'); + + if (conf.onKeyPress && (keysym > 0)) { + //Util.Debug("keyPress up, keysym: " + keysym + + // " (key: " + evt.keyCode + ", which: " + evt.which + ")"); + Util.Debug("onKeyPress up, keysym: " + keysym + + " (onKeyPress key: " + evt.keyCode + + ", which: " + evt.which + ")"); + conf.onKeyPress(keysym, 0, evt); + } + Util.stopEvent(e); + return false; +} + +// +// Public API interface functions +// + +that.grab = function() { + //Util.Debug(">> Keyboard.grab"); + var c = conf.target; + + Util.addEvent(c, 'keydown', onKeyDown); + Util.addEvent(c, 'keyup', onKeyUp); + Util.addEvent(c, 'keypress', onKeyPress); + + //Util.Debug("<< Keyboard.grab"); +}; + +that.ungrab = function() { + //Util.Debug(">> Keyboard.ungrab"); + var c = conf.target; + + Util.removeEvent(c, 'keydown', onKeyDown); + Util.removeEvent(c, 'keyup', onKeyUp); + Util.removeEvent(c, 'keypress', onKeyPress); + + //Util.Debug(">> Keyboard.ungrab"); +}; + +return that; // Return the public API interface + +} // End of Keyboard() + + +// +// Mouse event handler +// + +function Mouse(defaults) { +"use strict"; + +var that = {}, // Public API methods + conf = {}; // Configuration attributes + +// Configuration attributes +Util.conf_defaults(conf, that, defaults, [ + ['target', 'ro', 'dom', document, 'DOM element that captures mouse input'], + ['focused', 'rw', 'bool', true, 'Capture and send mouse clicks/movement'], + ['scale', 'rw', 'float', 1.0, 'Viewport scale factor 0.0 - 1.0'], + + ['onMouseButton', 'rw', 'func', null, 'Handler for mouse button click/release'], + ['onMouseMove', 'rw', 'func', null, 'Handler for mouse movement'], + ['touchButton', 'rw', 'int', 1, 'Button mask (1, 2, 4) for touch devices (0 means ignore clicks)'] + ]); + + +// +// Private functions +// + +function onMouseButton(e, down) { + var evt, pos, bmask; + if (! conf.focused) { + return true; + } + evt = (e ? e : window.event); + pos = Util.getEventPosition(e, conf.target, conf.scale); + if (e.touches || e.changedTouches) { + // Touch device + bmask = conf.touchButton; + // If bmask is set + } else if (evt.which) { + /* everything except IE */ + bmask = 1 << evt.button; + } else { + /* IE including 9 */ + bmask = (evt.button & 0x1) + // Left + (evt.button & 0x2) * 2 + // Right + (evt.button & 0x4) / 2; // Middle + } + //Util.Debug("mouse " + pos.x + "," + pos.y + " down: " + down + + // " bmask: " + bmask + "(evt.button: " + evt.button + ")"); + if (bmask > 0 && conf.onMouseButton) { + Util.Debug("onMouseButton " + (down ? "down" : "up") + + ", x: " + pos.x + ", y: " + pos.y + ", bmask: " + bmask); + conf.onMouseButton(pos.x, pos.y, down, bmask); + } + Util.stopEvent(e); + return false; +} + +function onMouseDown(e) { + onMouseButton(e, 1); +} + +function onMouseUp(e) { + onMouseButton(e, 0); +} + +function onMouseWheel(e) { + var evt, pos, bmask, wheelData; + if (! conf.focused) { + return true; + } + evt = (e ? e : window.event); + pos = Util.getEventPosition(e, conf.target, conf.scale); + wheelData = evt.detail ? evt.detail * -1 : evt.wheelDelta / 40; + if (wheelData > 0) { + bmask = 1 << 3; + } else { + bmask = 1 << 4; + } + //Util.Debug('mouse scroll by ' + wheelData + ':' + pos.x + "," + pos.y); + if (conf.onMouseButton) { + conf.onMouseButton(pos.x, pos.y, 1, bmask); + conf.onMouseButton(pos.x, pos.y, 0, bmask); + } + Util.stopEvent(e); + return false; +} + +function onMouseMove(e) { + var evt, pos; + if (! conf.focused) { + return true; + } + evt = (e ? e : window.event); + pos = Util.getEventPosition(e, conf.target, conf.scale); + //Util.Debug('mouse ' + evt.which + '/' + evt.button + ' up:' + pos.x + "," + pos.y); + if (conf.onMouseMove) { + conf.onMouseMove(pos.x, pos.y); + } + Util.stopEvent(e); + return false; +} + +function onMouseDisable(e) { + var evt, pos; + if (! conf.focused) { + return true; + } + evt = (e ? e : window.event); + pos = Util.getEventPosition(e, conf.target, conf.scale); + /* Stop propagation if inside canvas area */ + if ((pos.x >= 0) && (pos.y >= 0) && + (pos.x < conf.target.offsetWidth) && + (pos.y < conf.target.offsetHeight)) { + //Util.Debug("mouse event disabled"); + Util.stopEvent(e); + return false; + } + //Util.Debug("mouse event not disabled"); + return true; +} + +// +// Public API interface functions +// + +that.grab = function() { + //Util.Debug(">> Mouse.grab"); + var c = conf.target; + + if ('ontouchstart' in document.documentElement) { + Util.addEvent(c, 'touchstart', onMouseDown); + Util.addEvent(c, 'touchend', onMouseUp); + Util.addEvent(c, 'touchmove', onMouseMove); + } else { + Util.addEvent(c, 'mousedown', onMouseDown); + Util.addEvent(c, 'mouseup', onMouseUp); + Util.addEvent(c, 'mousemove', onMouseMove); + Util.addEvent(c, (Util.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel', + onMouseWheel); + } + + /* Work around right and middle click browser behaviors */ + Util.addEvent(document, 'click', onMouseDisable); + Util.addEvent(document.body, 'contextmenu', onMouseDisable); + + //Util.Debug("<< Mouse.grab"); +}; + +that.ungrab = function() { + //Util.Debug(">> Mouse.ungrab"); + var c = conf.target; + + if ('ontouchstart' in document.documentElement) { + Util.removeEvent(c, 'touchstart', onMouseDown); + Util.removeEvent(c, 'touchend', onMouseUp); + Util.removeEvent(c, 'touchmove', onMouseMove); + } else { + Util.removeEvent(c, 'mousedown', onMouseDown); + Util.removeEvent(c, 'mouseup', onMouseUp); + Util.removeEvent(c, 'mousemove', onMouseMove); + Util.removeEvent(c, (Util.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel', + onMouseWheel); + } + + /* Work around right and middle click browser behaviors */ + Util.removeEvent(document, 'click', onMouseDisable); + Util.removeEvent(document.body, 'contextmenu', onMouseDisable); + + //Util.Debug(">> Mouse.ungrab"); +}; + +return that; // Return the public API interface + +} // End of Mouse() + + +/* + * Browser keypress to X11 keysym for Unicode characters > U+00FF + */ +unicodeTable = { + 0x0104 : 0x01a1, + 0x02D8 : 0x01a2, + 0x0141 : 0x01a3, + 0x013D : 0x01a5, + 0x015A : 0x01a6, + 0x0160 : 0x01a9, + 0x015E : 0x01aa, + 0x0164 : 0x01ab, + 0x0179 : 0x01ac, + 0x017D : 0x01ae, + 0x017B : 0x01af, + 0x0105 : 0x01b1, + 0x02DB : 0x01b2, + 0x0142 : 0x01b3, + 0x013E : 0x01b5, + 0x015B : 0x01b6, + 0x02C7 : 0x01b7, + 0x0161 : 0x01b9, + 0x015F : 0x01ba, + 0x0165 : 0x01bb, + 0x017A : 0x01bc, + 0x02DD : 0x01bd, + 0x017E : 0x01be, + 0x017C : 0x01bf, + 0x0154 : 0x01c0, + 0x0102 : 0x01c3, + 0x0139 : 0x01c5, + 0x0106 : 0x01c6, + 0x010C : 0x01c8, + 0x0118 : 0x01ca, + 0x011A : 0x01cc, + 0x010E : 0x01cf, + 0x0110 : 0x01d0, + 0x0143 : 0x01d1, + 0x0147 : 0x01d2, + 0x0150 : 0x01d5, + 0x0158 : 0x01d8, + 0x016E : 0x01d9, + 0x0170 : 0x01db, + 0x0162 : 0x01de, + 0x0155 : 0x01e0, + 0x0103 : 0x01e3, + 0x013A : 0x01e5, + 0x0107 : 0x01e6, + 0x010D : 0x01e8, + 0x0119 : 0x01ea, + 0x011B : 0x01ec, + 0x010F : 0x01ef, + 0x0111 : 0x01f0, + 0x0144 : 0x01f1, + 0x0148 : 0x01f2, + 0x0151 : 0x01f5, + 0x0171 : 0x01fb, + 0x0159 : 0x01f8, + 0x016F : 0x01f9, + 0x0163 : 0x01fe, + 0x02D9 : 0x01ff, + 0x0126 : 0x02a1, + 0x0124 : 0x02a6, + 0x0130 : 0x02a9, + 0x011E : 0x02ab, + 0x0134 : 0x02ac, + 0x0127 : 0x02b1, + 0x0125 : 0x02b6, + 0x0131 : 0x02b9, + 0x011F : 0x02bb, + 0x0135 : 0x02bc, + 0x010A : 0x02c5, + 0x0108 : 0x02c6, + 0x0120 : 0x02d5, + 0x011C : 0x02d8, + 0x016C : 0x02dd, + 0x015C : 0x02de, + 0x010B : 0x02e5, + 0x0109 : 0x02e6, + 0x0121 : 0x02f5, + 0x011D : 0x02f8, + 0x016D : 0x02fd, + 0x015D : 0x02fe, + 0x0138 : 0x03a2, + 0x0156 : 0x03a3, + 0x0128 : 0x03a5, + 0x013B : 0x03a6, + 0x0112 : 0x03aa, + 0x0122 : 0x03ab, + 0x0166 : 0x03ac, + 0x0157 : 0x03b3, + 0x0129 : 0x03b5, + 0x013C : 0x03b6, + 0x0113 : 0x03ba, + 0x0123 : 0x03bb, + 0x0167 : 0x03bc, + 0x014A : 0x03bd, + 0x014B : 0x03bf, + 0x0100 : 0x03c0, + 0x012E : 0x03c7, + 0x0116 : 0x03cc, + 0x012A : 0x03cf, + 0x0145 : 0x03d1, + 0x014C : 0x03d2, + 0x0136 : 0x03d3, + 0x0172 : 0x03d9, + 0x0168 : 0x03dd, + 0x016A : 0x03de, + 0x0101 : 0x03e0, + 0x012F : 0x03e7, + 0x0117 : 0x03ec, + 0x012B : 0x03ef, + 0x0146 : 0x03f1, + 0x014D : 0x03f2, + 0x0137 : 0x03f3, + 0x0173 : 0x03f9, + 0x0169 : 0x03fd, + 0x016B : 0x03fe, + 0x1E02 : 0x1001e02, + 0x1E03 : 0x1001e03, + 0x1E0A : 0x1001e0a, + 0x1E80 : 0x1001e80, + 0x1E82 : 0x1001e82, + 0x1E0B : 0x1001e0b, + 0x1EF2 : 0x1001ef2, + 0x1E1E : 0x1001e1e, + 0x1E1F : 0x1001e1f, + 0x1E40 : 0x1001e40, + 0x1E41 : 0x1001e41, + 0x1E56 : 0x1001e56, + 0x1E81 : 0x1001e81, + 0x1E57 : 0x1001e57, + 0x1E83 : 0x1001e83, + 0x1E60 : 0x1001e60, + 0x1EF3 : 0x1001ef3, + 0x1E84 : 0x1001e84, + 0x1E85 : 0x1001e85, + 0x1E61 : 0x1001e61, + 0x0174 : 0x1000174, + 0x1E6A : 0x1001e6a, + 0x0176 : 0x1000176, + 0x0175 : 0x1000175, + 0x1E6B : 0x1001e6b, + 0x0177 : 0x1000177, + 0x0152 : 0x13bc, + 0x0153 : 0x13bd, + 0x0178 : 0x13be, + 0x203E : 0x047e, + 0x3002 : 0x04a1, + 0x300C : 0x04a2, + 0x300D : 0x04a3, + 0x3001 : 0x04a4, + 0x30FB : 0x04a5, + 0x30F2 : 0x04a6, + 0x30A1 : 0x04a7, + 0x30A3 : 0x04a8, + 0x30A5 : 0x04a9, + 0x30A7 : 0x04aa, + 0x30A9 : 0x04ab, + 0x30E3 : 0x04ac, + 0x30E5 : 0x04ad, + 0x30E7 : 0x04ae, + 0x30C3 : 0x04af, + 0x30FC : 0x04b0, + 0x30A2 : 0x04b1, + 0x30A4 : 0x04b2, + 0x30A6 : 0x04b3, + 0x30A8 : 0x04b4, + 0x30AA : 0x04b5, + 0x30AB : 0x04b6, + 0x30AD : 0x04b7, + 0x30AF : 0x04b8, + 0x30B1 : 0x04b9, + 0x30B3 : 0x04ba, + 0x30B5 : 0x04bb, + 0x30B7 : 0x04bc, + 0x30B9 : 0x04bd, + 0x30BB : 0x04be, + 0x30BD : 0x04bf, + 0x30BF : 0x04c0, + 0x30C1 : 0x04c1, + 0x30C4 : 0x04c2, + 0x30C6 : 0x04c3, + 0x30C8 : 0x04c4, + 0x30CA : 0x04c5, + 0x30CB : 0x04c6, + 0x30CC : 0x04c7, + 0x30CD : 0x04c8, + 0x30CE : 0x04c9, + 0x30CF : 0x04ca, + 0x30D2 : 0x04cb, + 0x30D5 : 0x04cc, + 0x30D8 : 0x04cd, + 0x30DB : 0x04ce, + 0x30DE : 0x04cf, + 0x30DF : 0x04d0, + 0x30E0 : 0x04d1, + 0x30E1 : 0x04d2, + 0x30E2 : 0x04d3, + 0x30E4 : 0x04d4, + 0x30E6 : 0x04d5, + 0x30E8 : 0x04d6, + 0x30E9 : 0x04d7, + 0x30EA : 0x04d8, + 0x30EB : 0x04d9, + 0x30EC : 0x04da, + 0x30ED : 0x04db, + 0x30EF : 0x04dc, + 0x30F3 : 0x04dd, + 0x309B : 0x04de, + 0x309C : 0x04df, + 0x06F0 : 0x10006f0, + 0x06F1 : 0x10006f1, + 0x06F2 : 0x10006f2, + 0x06F3 : 0x10006f3, + 0x06F4 : 0x10006f4, + 0x06F5 : 0x10006f5, + 0x06F6 : 0x10006f6, + 0x06F7 : 0x10006f7, + 0x06F8 : 0x10006f8, + 0x06F9 : 0x10006f9, + 0x066A : 0x100066a, + 0x0670 : 0x1000670, + 0x0679 : 0x1000679, + 0x067E : 0x100067e, + 0x0686 : 0x1000686, + 0x0688 : 0x1000688, + 0x0691 : 0x1000691, + 0x060C : 0x05ac, + 0x06D4 : 0x10006d4, + 0x0660 : 0x1000660, + 0x0661 : 0x1000661, + 0x0662 : 0x1000662, + 0x0663 : 0x1000663, + 0x0664 : 0x1000664, + 0x0665 : 0x1000665, + 0x0666 : 0x1000666, + 0x0667 : 0x1000667, + 0x0668 : 0x1000668, + 0x0669 : 0x1000669, + 0x061B : 0x05bb, + 0x061F : 0x05bf, + 0x0621 : 0x05c1, + 0x0622 : 0x05c2, + 0x0623 : 0x05c3, + 0x0624 : 0x05c4, + 0x0625 : 0x05c5, + 0x0626 : 0x05c6, + 0x0627 : 0x05c7, + 0x0628 : 0x05c8, + 0x0629 : 0x05c9, + 0x062A : 0x05ca, + 0x062B : 0x05cb, + 0x062C : 0x05cc, + 0x062D : 0x05cd, + 0x062E : 0x05ce, + 0x062F : 0x05cf, + 0x0630 : 0x05d0, + 0x0631 : 0x05d1, + 0x0632 : 0x05d2, + 0x0633 : 0x05d3, + 0x0634 : 0x05d4, + 0x0635 : 0x05d5, + 0x0636 : 0x05d6, + 0x0637 : 0x05d7, + 0x0638 : 0x05d8, + 0x0639 : 0x05d9, + 0x063A : 0x05da, + 0x0640 : 0x05e0, + 0x0641 : 0x05e1, + 0x0642 : 0x05e2, + 0x0643 : 0x05e3, + 0x0644 : 0x05e4, + 0x0645 : 0x05e5, + 0x0646 : 0x05e6, + 0x0647 : 0x05e7, + 0x0648 : 0x05e8, + 0x0649 : 0x05e9, + 0x064A : 0x05ea, + 0x064B : 0x05eb, + 0x064C : 0x05ec, + 0x064D : 0x05ed, + 0x064E : 0x05ee, + 0x064F : 0x05ef, + 0x0650 : 0x05f0, + 0x0651 : 0x05f1, + 0x0652 : 0x05f2, + 0x0653 : 0x1000653, + 0x0654 : 0x1000654, + 0x0655 : 0x1000655, + 0x0698 : 0x1000698, + 0x06A4 : 0x10006a4, + 0x06A9 : 0x10006a9, + 0x06AF : 0x10006af, + 0x06BA : 0x10006ba, + 0x06BE : 0x10006be, + 0x06CC : 0x10006cc, + 0x06D2 : 0x10006d2, + 0x06C1 : 0x10006c1, + 0x0492 : 0x1000492, + 0x0493 : 0x1000493, + 0x0496 : 0x1000496, + 0x0497 : 0x1000497, + 0x049A : 0x100049a, + 0x049B : 0x100049b, + 0x049C : 0x100049c, + 0x049D : 0x100049d, + 0x04A2 : 0x10004a2, + 0x04A3 : 0x10004a3, + 0x04AE : 0x10004ae, + 0x04AF : 0x10004af, + 0x04B0 : 0x10004b0, + 0x04B1 : 0x10004b1, + 0x04B2 : 0x10004b2, + 0x04B3 : 0x10004b3, + 0x04B6 : 0x10004b6, + 0x04B7 : 0x10004b7, + 0x04B8 : 0x10004b8, + 0x04B9 : 0x10004b9, + 0x04BA : 0x10004ba, + 0x04BB : 0x10004bb, + 0x04D8 : 0x10004d8, + 0x04D9 : 0x10004d9, + 0x04E2 : 0x10004e2, + 0x04E3 : 0x10004e3, + 0x04E8 : 0x10004e8, + 0x04E9 : 0x10004e9, + 0x04EE : 0x10004ee, + 0x04EF : 0x10004ef, + 0x0452 : 0x06a1, + 0x0453 : 0x06a2, + 0x0451 : 0x06a3, + 0x0454 : 0x06a4, + 0x0455 : 0x06a5, + 0x0456 : 0x06a6, + 0x0457 : 0x06a7, + 0x0458 : 0x06a8, + 0x0459 : 0x06a9, + 0x045A : 0x06aa, + 0x045B : 0x06ab, + 0x045C : 0x06ac, + 0x0491 : 0x06ad, + 0x045E : 0x06ae, + 0x045F : 0x06af, + 0x2116 : 0x06b0, + 0x0402 : 0x06b1, + 0x0403 : 0x06b2, + 0x0401 : 0x06b3, + 0x0404 : 0x06b4, + 0x0405 : 0x06b5, + 0x0406 : 0x06b6, + 0x0407 : 0x06b7, + 0x0408 : 0x06b8, + 0x0409 : 0x06b9, + 0x040A : 0x06ba, + 0x040B : 0x06bb, + 0x040C : 0x06bc, + 0x0490 : 0x06bd, + 0x040E : 0x06be, + 0x040F : 0x06bf, + 0x044E : 0x06c0, + 0x0430 : 0x06c1, + 0x0431 : 0x06c2, + 0x0446 : 0x06c3, + 0x0434 : 0x06c4, + 0x0435 : 0x06c5, + 0x0444 : 0x06c6, + 0x0433 : 0x06c7, + 0x0445 : 0x06c8, + 0x0438 : 0x06c9, + 0x0439 : 0x06ca, + 0x043A : 0x06cb, + 0x043B : 0x06cc, + 0x043C : 0x06cd, + 0x043D : 0x06ce, + 0x043E : 0x06cf, + 0x043F : 0x06d0, + 0x044F : 0x06d1, + 0x0440 : 0x06d2, + 0x0441 : 0x06d3, + 0x0442 : 0x06d4, + 0x0443 : 0x06d5, + 0x0436 : 0x06d6, + 0x0432 : 0x06d7, + 0x044C : 0x06d8, + 0x044B : 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\ No newline at end of file diff --git a/classes/novnc/include/logo.js b/classes/novnc/include/logo.js new file mode 100644 index 0000000..befa598 --- /dev/null +++ b/classes/novnc/include/logo.js @@ -0,0 +1 @@ +noVNC_logo = {"width": 640, "height": 435, "data": 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"}; diff --git a/classes/novnc/include/playback.js b/classes/novnc/include/playback.js new file mode 100644 index 0000000..22a00a3 --- /dev/null +++ b/classes/novnc/include/playback.js @@ -0,0 +1,90 @@ +/* + * noVNC: HTML5 VNC client + * Copyright (C) 2011 Joel Martin + * Licensed under LGPL-3 (see LICENSE.LGPL-3) + */ + +"use strict"; +/*jslint browser: true, white: false */ +/*global Util, VNC_frame_data, finish */ + +var rfb, mode, test_state, frame_idx, frame_length, + iteration, iterations, istart_time, + + // Pre-declarations for jslint + send_array, next_iteration, queue_next_packet, do_packet; + +// Override send_array +send_array = function (arr) { + // Stub out send_array +}; + +next_iteration = function () { + if (iteration === 0) { + frame_length = VNC_frame_data.length; + test_state = 'running'; + } else { + rfb.disconnect(); + } + + if (test_state !== 'running') { return; } + + iteration += 1; + if (iteration > iterations) { + finish(); + return; + } + + frame_idx = 0; + istart_time = (new Date()).getTime(); + rfb.connect('test', 0, "bogus"); + + queue_next_packet(); + +}; + +queue_next_packet = function () { + var frame, foffset, toffset, delay; + if (test_state !== 'running') { return; } + + frame = VNC_frame_data[frame_idx]; + while ((frame_idx < frame_length) && (frame.charAt(0) === "}")) { + //Util.Debug("Send frame " + frame_idx); + frame_idx += 1; + frame = VNC_frame_data[frame_idx]; + } + + if (frame === 'EOF') { + Util.Debug("Finished, found EOF"); + next_iteration(); + return; + } + if (frame_idx >= frame_length) { + Util.Debug("Finished, no more frames"); + next_iteration(); + return; + } + + if (mode === 'realtime') { + foffset = frame.slice(1, frame.indexOf('{', 1)); + toffset = (new Date()).getTime() - istart_time; + delay = foffset - toffset; + if (delay < 1) { + delay = 1; + } + + setTimeout(do_packet, delay); + } else { + setTimeout(do_packet, 1); + } +}; + +do_packet = function () { + //Util.Debug("Processing frame: " + frame_idx); + var frame = VNC_frame_data[frame_idx]; + rfb.recv_message({'data' : frame.slice(frame.indexOf('{', 1) + 1)}); + frame_idx += 1; + + queue_next_packet(); +}; + diff --git a/classes/novnc/include/rfb.js b/classes/novnc/include/rfb.js new file mode 100644 index 0000000..b7aa3f6 --- /dev/null +++ b/classes/novnc/include/rfb.js @@ -0,0 +1,1613 @@ +/* + * noVNC: HTML5 VNC client + * Copyright (C) 2011 Joel Martin + * Licensed under LGPL-3 (see LICENSE.txt) + * + * See README.md for usage and integration instructions. + */ + +/*jslint white: false, browser: true, bitwise: false, plusplus: false */ +/*global window, Util, Display, Keyboard, Mouse, Websock, Websock_native, Base64, DES */ + + +function RFB(defaults) { +"use strict"; + +var that = {}, // Public API methods + conf = {}, // Configuration attributes + + // Pre-declare private functions used before definitions (jslint) + init_vars, updateState, fail, handle_message, + init_msg, normal_msg, framebufferUpdate, print_stats, + + pixelFormat, clientEncodings, fbUpdateRequest, fbUpdateRequests, + keyEvent, pointerEvent, clientCutText, + + extract_data_uri, scan_tight_imgQ, + keyPress, mouseButton, mouseMove, + + checkEvents, // Overridable for testing + + + // + // Private RFB namespace variables + // + rfb_host = '', + rfb_port = 5900, + rfb_password = '', + rfb_path = '', + + rfb_state = 'disconnected', + rfb_version = 0, + rfb_max_version= 3.8, + rfb_auth_scheme= '', + + + // In preference order + encodings = [ + ['COPYRECT', 0x01 ], + ['TIGHT_PNG', -260 ], + ['HEXTILE', 0x05 ], + ['RRE', 0x02 ], + ['RAW', 0x00 ], + ['DesktopSize', -223 ], + ['Cursor', -239 ], + + // Psuedo-encoding settings + ['JPEG_quality_lo', -32 ], + //['JPEG_quality_hi', -23 ], + ['compress_lo', -255 ] + //['compress_hi', -247 ] + ], + + encHandlers = {}, + encNames = {}, + encStats = {}, // [rectCnt, rectCntTot] + + ws = null, // Websock object + display = null, // Display object + keyboard = null, // Keyboard input handler object + mouse = null, // Mouse input handler object + sendTimer = null, // Send Queue check timer + connTimer = null, // connection timer + disconnTimer = null, // disconnection timer + msgTimer = null, // queued handle_message timer + + // Frame buffer update state + FBU = { + rects : 0, + subrects : 0, // RRE + lines : 0, // RAW + tiles : 0, // HEXTILE + bytes : 0, + x : 0, + y : 0, + width : 0, + height : 0, + encoding : 0, + subencoding : -1, + background : null, + imgQ : [] // TIGHT_PNG image queue + }, + + fb_Bpp = 4, + fb_depth = 3, + fb_width = 0, + fb_height = 0, + fb_name = "", + + scan_imgQ_rate = 40, // 25 times per second or so + last_req_time = 0, + rre_chunk_sz = 100, + + timing = { + last_fbu : 0, + fbu_total : 0, + fbu_total_cnt : 0, + full_fbu_total : 0, + full_fbu_cnt : 0, + + fbu_rt_start : 0, + fbu_rt_total : 0, + fbu_rt_cnt : 0 + }, + + test_mode = false, + + def_con_timeout = Websock_native ? 2 : 5, + + /* Mouse state */ + mouse_buttonMask = 0, + mouse_arr = [], + viewportDragging = false, + viewportDragPos = {}; + +// Configuration attributes +Util.conf_defaults(conf, that, defaults, [ + ['target', 'wo', 'dom', null, 'VNC display rendering Canvas object'], + ['focusContainer', 'wo', 'dom', document, 'DOM element that captures keyboard input'], + + ['encrypt', 'rw', 'bool', false, 'Use TLS/SSL/wss encryption'], + ['true_color', 'rw', 'bool', true, 'Request true color pixel data'], + ['local_cursor', 'rw', 'bool', false, 'Request locally rendered cursor'], + ['shared', 'rw', 'bool', true, 'Request shared mode'], + + ['connectTimeout', 'rw', 'int', def_con_timeout, 'Time (s) to wait for connection'], + ['disconnectTimeout', 'rw', 'int', 3, 'Time (s) to wait for disconnection'], + + ['viewportDrag', 'rw', 'bool', false, 'Move the viewport on mouse drags'], + + ['check_rate', 'rw', 'int', 217, 'Timing (ms) of send/receive check'], + ['fbu_req_rate', 'rw', 'int', 1413, 'Timing (ms) of frameBufferUpdate requests'], + + // Callback functions + ['onUpdateState', 'rw', 'func', function() { }, + 'onUpdateState(rfb, state, oldstate, statusMsg): RFB state update/change '], + ['onPasswordRequired', 'rw', 'func', function() { }, + 'onPasswordRequired(rfb): VNC password is required '], + ['onClipboard', 'rw', 'func', function() { }, + 'onClipboard(rfb, text): RFB clipboard contents received'], + ['onBell', 'rw', 'func', function() { }, + 'onBell(rfb): RFB Bell message received '], + ['onFBUReceive', 'rw', 'func', function() { }, + 'onFBUReceive(rfb, fbu): RFB FBU received but not yet processed '], + ['onFBUComplete', 'rw', 'func', function() { }, + 'onFBUComplete(rfb, fbu): RFB FBU received and processed '], + + // These callback names are deprecated + ['updateState', 'rw', 'func', function() { }, + 'obsolete, use onUpdateState'], + ['clipboardReceive', 'rw', 'func', function() { }, + 'obsolete, use onClipboard'] + ]); + + +// Override/add some specific configuration getters/setters +that.set_local_cursor = function(cursor) { + if ((!cursor) || (cursor in {'0':1, 'no':1, 'false':1})) { + conf.local_cursor = false; + } else { + if (display.get_cursor_uri()) { + conf.local_cursor = true; + } else { + Util.Warn("Browser does not support local cursor"); + } + } +}; + +// These are fake configuration getters +that.get_display = function() { return display; }; + +that.get_keyboard = function() { return keyboard; }; + +that.get_mouse = function() { return mouse; }; + + + +// +// Setup routines +// + +// Create the public API interface and initialize values that stay +// constant across connect/disconnect +function constructor() { + var i, rmode; + Util.Debug(">> RFB.constructor"); + + // Create lookup tables based encoding number + for (i=0; i < encodings.length; i+=1) { + encHandlers[encodings[i][1]] = encHandlers[encodings[i][0]]; + encNames[encodings[i][1]] = encodings[i][0]; + encStats[encodings[i][1]] = [0, 0]; + } + // Initialize display, mouse, keyboard, and websock + try { + display = new Display({'target': conf.target}); + } catch (exc) { + Util.Error("Display exception: " + exc); + updateState('fatal', "No working Display"); + } + keyboard = new Keyboard({'target': conf.focusContainer, + 'onKeyPress': keyPress}); + mouse = new Mouse({'target': conf.target, + 'onMouseButton': mouseButton, + 'onMouseMove': mouseMove}); + + rmode = display.get_render_mode(); + + ws = new Websock(); + ws.on('message', handle_message); + ws.on('open', function() { + if (rfb_state === "connect") { + updateState('ProtocolVersion', "Starting VNC handshake"); + } else { + fail("Got unexpected WebSockets connection"); + } + }); + ws.on('close', function() { + if (rfb_state === 'disconnect') { + updateState('disconnected', 'VNC disconnected'); + } else if (rfb_state === 'ProtocolVersion') { + fail('Failed to connect to server'); + } else if (rfb_state in {'failed':1, 'disconnected':1}) { + Util.Error("Received onclose while disconnected"); + } else { + fail('Server disconnected'); + } + }); + ws.on('error', function(e) { + fail("WebSock error: " + e); + }); + + + init_vars(); + + /* Check web-socket-js if no builtin WebSocket support */ + if (Websock_native) { + Util.Info("Using native WebSockets"); + updateState('loaded', 'noVNC ready: native WebSockets, ' + rmode); + } else { + Util.Warn("Using web-socket-js bridge. Flash version: " + + Util.Flash.version); + if ((! Util.Flash) || + (Util.Flash.version < 9)) { + updateState('fatal', "WebSockets or <a href='http://get.adobe.com/flashplayer'>Adobe Flash<\/a> is required"); + } else if (document.location.href.substr(0, 7) === "file://") { + updateState('fatal', + "'file://' URL is incompatible with Adobe Flash"); + } else { + updateState('loaded', 'noVNC ready: WebSockets emulation, ' + rmode); + } + } + + Util.Debug("<< RFB.constructor"); + return that; // Return the public API interface +} + +function connect() { + Util.Debug(">> RFB.connect"); + + var uri = ""; + if (conf.encrypt) { + uri = "wss://"; + } else { + uri = "ws://"; + } + uri += rfb_host + ":" + rfb_port + "/" + rfb_path; + Util.Info("connecting to " + uri); + ws.open(uri); + + Util.Debug("<< RFB.connect"); +} + +// Initialize variables that are reset before each connection +init_vars = function() { + var i; + + /* Reset state */ + ws.init(); + + FBU.rects = 0; + FBU.subrects = 0; // RRE and HEXTILE + FBU.lines = 0; // RAW + FBU.tiles = 0; // HEXTILE + FBU.imgQ = []; // TIGHT_PNG image queue + mouse_buttonMask = 0; + mouse_arr = []; + + // Clear the per connection encoding stats + for (i=0; i < encodings.length; i+=1) { + encStats[encodings[i][1]][0] = 0; + } +}; + +// Print statistics +print_stats = function() { + var i, s; + Util.Info("Encoding stats for this connection:"); + for (i=0; i < encodings.length; i+=1) { + s = encStats[encodings[i][1]]; + if ((s[0] + s[1]) > 0) { + Util.Info(" " + encodings[i][0] + ": " + + s[0] + " rects"); + } + } + Util.Info("Encoding stats since page load:"); + for (i=0; i < encodings.length; i+=1) { + s = encStats[encodings[i][1]]; + if ((s[0] + s[1]) > 0) { + Util.Info(" " + encodings[i][0] + ": " + + s[1] + " rects"); + } + } +}; + +// +// Utility routines +// + + +/* + * Page states: + * loaded - page load, equivalent to disconnected + * disconnected - idle state + * connect - starting to connect (to ProtocolVersion) + * normal - connected + * disconnect - starting to disconnect + * failed - abnormal disconnect + * fatal - failed to load page, or fatal error + * + * RFB protocol initialization states: + * ProtocolVersion + * Security + * Authentication + * password - waiting for password, not part of RFB + * SecurityResult + * ClientInitialization - not triggered by server message + * ServerInitialization (to normal) + */ +updateState = function(state, statusMsg) { + var func, cmsg, oldstate = rfb_state; + + if (state === oldstate) { + /* Already here, ignore */ + Util.Debug("Already in state '" + state + "', ignoring."); + return; + } + + /* + * These are disconnected states. A previous connect may + * asynchronously cause a connection so make sure we are closed. + */ + if (state in {'disconnected':1, 'loaded':1, 'connect':1, + 'disconnect':1, 'failed':1, 'fatal':1}) { + if (sendTimer) { + clearInterval(sendTimer); + sendTimer = null; + } + + if (msgTimer) { + clearInterval(msgTimer); + msgTimer = null; + } + + if (display && display.get_context()) { + keyboard.ungrab(); + mouse.ungrab(); + display.defaultCursor(); + if ((Util.get_logging() !== 'debug') || + (state === 'loaded')) { + // Show noVNC logo on load and when disconnected if + // debug is off + display.clear(); + } + } + + ws.close(); + } + + if (oldstate === 'fatal') { + Util.Error("Fatal error, cannot continue"); + } + + if ((state === 'failed') || (state === 'fatal')) { + func = Util.Error; + } else { + func = Util.Warn; + } + + if ((oldstate === 'failed') && (state === 'disconnected')) { + // Do disconnect action, but stay in failed state. + rfb_state = 'failed'; + } else { + rfb_state = state; + } + + cmsg = typeof(statusMsg) !== 'undefined' ? (" Msg: " + statusMsg) : ""; + func("New state '" + rfb_state + "', was '" + oldstate + "'." + cmsg); + + if (connTimer && (rfb_state !== 'connect')) { + Util.Debug("Clearing connect timer"); + clearInterval(connTimer); + connTimer = null; + } + + if (disconnTimer && (rfb_state !== 'disconnect')) { + Util.Debug("Clearing disconnect timer"); + clearInterval(disconnTimer); + disconnTimer = null; + } + + switch (state) { + case 'normal': + if ((oldstate === 'disconnected') || (oldstate === 'failed')) { + Util.Error("Invalid transition from 'disconnected' or 'failed' to 'normal'"); + } + + break; + + + case 'connect': + + connTimer = setTimeout(function () { + fail("Connect timeout"); + }, conf.connectTimeout * 1000); + + init_vars(); + connect(); + + // WebSocket.onopen transitions to 'ProtocolVersion' + break; + + + case 'disconnect': + + if (! test_mode) { + disconnTimer = setTimeout(function () { + fail("Disconnect timeout"); + }, conf.disconnectTimeout * 1000); + } + + print_stats(); + + // WebSocket.onclose transitions to 'disconnected' + break; + + + case 'failed': + if (oldstate === 'disconnected') { + Util.Error("Invalid transition from 'disconnected' to 'failed'"); + } + if (oldstate === 'normal') { + Util.Error("Error while connected."); + } + if (oldstate === 'init') { + Util.Error("Error while initializing."); + } + + // Make sure we transition to disconnected + setTimeout(function() { updateState('disconnected'); }, 50); + + break; + + + default: + // No state change action to take + + } + + if ((oldstate === 'failed') && (state === 'disconnected')) { + // Leave the failed message + conf.updateState(that, state, oldstate); // Obsolete + conf.onUpdateState(that, state, oldstate); + } else { + conf.updateState(that, state, oldstate, statusMsg); // Obsolete + conf.onUpdateState(that, state, oldstate, statusMsg); + } +}; + +fail = function(msg) { + updateState('failed', msg); + return false; +}; + +handle_message = function() { + //Util.Debug(">> handle_message ws.rQlen(): " + ws.rQlen()); + //Util.Debug("ws.rQslice(0,20): " + ws.rQslice(0,20) + " (" + ws.rQlen() + ")"); + if (ws.rQlen() === 0) { + Util.Warn("handle_message called on empty receive queue"); + return; + } + switch (rfb_state) { + case 'disconnected': + case 'failed': + Util.Error("Got data while disconnected"); + break; + case 'normal': + if (normal_msg() && ws.rQlen() > 0) { + // true means we can continue processing + // Give other events a chance to run + if (msgTimer === null) { + Util.Debug("More data to process, creating timer"); + msgTimer = setTimeout(function () { + msgTimer = null; + handle_message(); + }, 10); + } else { + Util.Debug("More data to process, existing timer"); + } + } + break; + default: + init_msg(); + break; + } +}; + + +function genDES(password, challenge) { + var i, passwd = []; + for (i=0; i < password.length; i += 1) { + passwd.push(password.charCodeAt(i)); + } + return (new DES(passwd)).encrypt(challenge); +} + +function flushClient() { + if (mouse_arr.length > 0) { + //send(mouse_arr.concat(fbUpdateRequests())); + ws.send(mouse_arr); + setTimeout(function() { + ws.send(fbUpdateRequests()); + }, 50); + + mouse_arr = []; + return true; + } else { + return false; + } +} + +// overridable for testing +checkEvents = function() { + var now; + if (rfb_state === 'normal' && !viewportDragging) { + if (! flushClient()) { + now = new Date().getTime(); + if (now > last_req_time + conf.fbu_req_rate) { + last_req_time = now; + ws.send(fbUpdateRequests()); + } + } + } + setTimeout(checkEvents, conf.check_rate); +}; + +keyPress = function(keysym, down) { + var arr; + arr = keyEvent(keysym, down); + arr = arr.concat(fbUpdateRequests()); + ws.send(arr); +}; + +mouseButton = function(x, y, down, bmask) { + if (down) { + mouse_buttonMask |= bmask; + } else { + mouse_buttonMask ^= bmask; + } + + if (conf.viewportDrag) { + if (down && !viewportDragging) { + viewportDragging = true; + viewportDragPos = {'x': x, 'y': y}; + + // Skip sending mouse events + return; + } else { + viewportDragging = false; + } + } + + mouse_arr = mouse_arr.concat( + pointerEvent(display.absX(x), display.absY(y)) ); + flushClient(); +}; + +mouseMove = function(x, y) { + //Util.Debug('>> mouseMove ' + x + "," + y); + var deltaX, deltaY; + + if (viewportDragging) { + //deltaX = x - viewportDragPos.x; // drag viewport + deltaX = viewportDragPos.x - x; // drag frame buffer + //deltaY = y - viewportDragPos.y; // drag viewport + deltaY = viewportDragPos.y - y; // drag frame buffer + viewportDragPos = {'x': x, 'y': y}; + + display.viewportChange(deltaX, deltaY); + + // Skip sending mouse events + return; + } + + mouse_arr = mouse_arr.concat( + pointerEvent(display.absX(x), display.absY(y)) ); +}; + + +// +// Server message handlers +// + +// RFB/VNC initialisation message handler +init_msg = function() { + //Util.Debug(">> init_msg [rfb_state '" + rfb_state + "']"); + + var strlen, reason, length, sversion, cversion, + i, types, num_types, challenge, response, bpp, depth, + big_endian, red_max, green_max, blue_max, red_shift, + green_shift, blue_shift, true_color, name_length; + + //Util.Debug("ws.rQ (" + ws.rQlen() + ") " + ws.rQslice(0)); + switch (rfb_state) { + + case 'ProtocolVersion' : + if (ws.rQlen() < 12) { + return fail("Incomplete protocol version"); + } + sversion = ws.rQshiftStr(12).substr(4,7); + Util.Info("Server ProtocolVersion: " + sversion); + switch (sversion) { + case "003.003": rfb_version = 3.3; break; + case "003.006": rfb_version = 3.3; break; // UltraVNC + case "003.007": rfb_version = 3.7; break; + case "003.008": rfb_version = 3.8; break; + default: + return fail("Invalid server version " + sversion); + } + if (rfb_version > rfb_max_version) { + rfb_version = rfb_max_version; + } + + if (! test_mode) { + sendTimer = setInterval(function() { + // Send updates either at a rate of one update + // every 50ms, or whatever slower rate the network + // can handle. + ws.flush(); + }, 50); + } + + cversion = "00" + parseInt(rfb_version,10) + + ".00" + ((rfb_version * 10) % 10); + ws.send_string("RFB " + cversion + "\n"); + updateState('Security', "Sent ProtocolVersion: " + cversion); + break; + + case 'Security' : + if (rfb_version >= 3.7) { + // Server sends supported list, client decides + num_types = ws.rQshift8(); + if (ws.rQwait("security type", num_types, 1)) { return false; } + if (num_types === 0) { + strlen = ws.rQshift32(); + reason = ws.rQshiftStr(strlen); + return fail("Security failure: " + reason); + } + rfb_auth_scheme = 0; + types = ws.rQshiftBytes(num_types); + Util.Debug("Server security types: " + types); + for (i=0; i < types.length; i+=1) { + if ((types[i] > rfb_auth_scheme) && (types[i] < 3)) { + rfb_auth_scheme = types[i]; + } + } + if (rfb_auth_scheme === 0) { + return fail("Unsupported security types: " + types); + } + + ws.send([rfb_auth_scheme]); + } else { + // Server decides + if (ws.rQwait("security scheme", 4)) { return false; } + rfb_auth_scheme = ws.rQshift32(); + } + updateState('Authentication', + "Authenticating using scheme: " + rfb_auth_scheme); + init_msg(); // Recursive fallthrough (workaround JSLint complaint) + break; + + // Triggered by fallthough, not by server message + case 'Authentication' : + //Util.Debug("Security auth scheme: " + rfb_auth_scheme); + switch (rfb_auth_scheme) { + case 0: // connection failed + if (ws.rQwait("auth reason", 4)) { return false; } + strlen = ws.rQshift32(); + reason = ws.rQshiftStr(strlen); + return fail("Auth failure: " + reason); + case 1: // no authentication + if (rfb_version >= 3.8) { + updateState('SecurityResult'); + return; + } + // Fall through to ClientInitialisation + break; + case 2: // VNC authentication + if (rfb_password.length === 0) { + // Notify via both callbacks since it is kind of + // a RFB state change and a UI interface issue. + updateState('password', "Password Required"); + conf.onPasswordRequired(that); + return; + } + if (ws.rQwait("auth challenge", 16)) { return false; } + challenge = ws.rQshiftBytes(16); + //Util.Debug("Password: " + rfb_password); + //Util.Debug("Challenge: " + challenge + + // " (" + challenge.length + ")"); + response = genDES(rfb_password, challenge); + //Util.Debug("Response: " + response + + // " (" + response.length + ")"); + + //Util.Debug("Sending DES encrypted auth response"); + ws.send(response); + updateState('SecurityResult'); + return; + default: + fail("Unsupported auth scheme: " + rfb_auth_scheme); + return; + } + updateState('ClientInitialisation', "No auth required"); + init_msg(); // Recursive fallthrough (workaround JSLint complaint) + break; + + case 'SecurityResult' : + if (ws.rQwait("VNC auth response ", 4)) { return false; } + switch (ws.rQshift32()) { + case 0: // OK + // Fall through to ClientInitialisation + break; + case 1: // failed + if (rfb_version >= 3.8) { + length = ws.rQshift32(); + if (ws.rQwait("SecurityResult reason", length, 8)) { + return false; + } + reason = ws.rQshiftStr(length); + fail(reason); + } else { + fail("Authentication failed"); + } + return; + case 2: // too-many + return fail("Too many auth attempts"); + } + updateState('ClientInitialisation', "Authentication OK"); + init_msg(); // Recursive fallthrough (workaround JSLint complaint) + break; + + // Triggered by fallthough, not by server message + case 'ClientInitialisation' : + ws.send([conf.shared ? 1 : 0]); // ClientInitialisation + updateState('ServerInitialisation', "Authentication OK"); + break; + + case 'ServerInitialisation' : + if (ws.rQwait("server initialization", 24)) { return false; } + + /* Screen size */ + fb_width = ws.rQshift16(); + fb_height = ws.rQshift16(); + + /* PIXEL_FORMAT */ + bpp = ws.rQshift8(); + depth = ws.rQshift8(); + big_endian = ws.rQshift8(); + true_color = ws.rQshift8(); + + red_max = ws.rQshift16(); + green_max = ws.rQshift16(); + blue_max = ws.rQshift16(); + red_shift = ws.rQshift8(); + green_shift = ws.rQshift8(); + blue_shift = ws.rQshift8(); + ws.rQshiftStr(3); // padding + + Util.Info("Screen: " + fb_width + "x" + fb_height + + ", bpp: " + bpp + ", depth: " + depth + + ", big_endian: " + big_endian + + ", true_color: " + true_color + + ", red_max: " + red_max + + ", green_max: " + green_max + + ", blue_max: " + blue_max + + ", red_shift: " + red_shift + + ", green_shift: " + green_shift + + ", blue_shift: " + blue_shift); + + /* Connection name/title */ + name_length = ws.rQshift32(); + fb_name = ws.rQshiftStr(name_length); + + display.set_true_color(conf.true_color); + display.resize(fb_width, fb_height); + keyboard.grab(); + mouse.grab(); + + if (conf.true_color) { + fb_Bpp = 4; + fb_depth = 3; + } else { + fb_Bpp = 1; + fb_depth = 1; + } + + response = pixelFormat(); + response = response.concat(clientEncodings()); + response = response.concat(fbUpdateRequests()); + timing.fbu_rt_start = (new Date()).getTime(); + ws.send(response); + + /* Start pushing/polling */ + setTimeout(checkEvents, conf.check_rate); + setTimeout(scan_tight_imgQ, scan_imgQ_rate); + + if (conf.encrypt) { + updateState('normal', "Connected (encrypted) to: " + fb_name); + } else { + updateState('normal', "Connected (unencrypted) to: " + fb_name); + } + break; + } + //Util.Debug("<< init_msg"); +}; + + +/* Normal RFB/VNC server message handler */ +normal_msg = function() { + //Util.Debug(">> normal_msg"); + + var ret = true, msg_type, length, text, + c, first_colour, num_colours, red, green, blue; + + if (FBU.rects > 0) { + msg_type = 0; + } else { + msg_type = ws.rQshift8(); + } + switch (msg_type) { + case 0: // FramebufferUpdate + ret = framebufferUpdate(); // false means need more data + break; + case 1: // SetColourMapEntries + Util.Debug("SetColourMapEntries"); + ws.rQshift8(); // Padding + first_colour = ws.rQshift16(); // First colour + num_colours = ws.rQshift16(); + for (c=0; c < num_colours; c+=1) { + red = ws.rQshift16(); + //Util.Debug("red before: " + red); + red = parseInt(red / 256, 10); + //Util.Debug("red after: " + red); + green = parseInt(ws.rQshift16() / 256, 10); + blue = parseInt(ws.rQshift16() / 256, 10); + display.set_colourMap([red, green, blue], first_colour + c); + } + Util.Debug("colourMap: " + display.get_colourMap()); + Util.Info("Registered " + num_colours + " colourMap entries"); + //Util.Debug("colourMap: " + display.get_colourMap()); + break; + case 2: // Bell + Util.Debug("Bell"); + conf.onBell(that); + break; + case 3: // ServerCutText + Util.Debug("ServerCutText"); + if (ws.rQwait("ServerCutText header", 7, 1)) { return false; } + ws.rQshiftBytes(3); // Padding + length = ws.rQshift32(); + if (ws.rQwait("ServerCutText", length, 8)) { return false; } + + text = ws.rQshiftStr(length); + conf.clipboardReceive(that, text); // Obsolete + conf.onClipboard(that, text); + break; + default: + fail("Disconnected: illegal server message type " + msg_type); + Util.Debug("ws.rQslice(0,30):" + ws.rQslice(0,30)); + break; + } + //Util.Debug("<< normal_msg"); + return ret; +}; + +framebufferUpdate = function() { + var now, hdr, fbu_rt_diff, ret = true; + + if (FBU.rects === 0) { + //Util.Debug("New FBU: ws.rQslice(0,20): " + ws.rQslice(0,20)); + if (ws.rQwait("FBU header", 3)) { + ws.rQunshift8(0); // FBU msg_type + return false; + } + ws.rQshift8(); // padding + FBU.rects = ws.rQshift16(); + //Util.Debug("FramebufferUpdate, rects:" + FBU.rects); + FBU.bytes = 0; + timing.cur_fbu = 0; + if (timing.fbu_rt_start > 0) { + now = (new Date()).getTime(); + Util.Info("First FBU latency: " + (now - timing.fbu_rt_start)); + } + } + + while (FBU.rects > 0) { + if (rfb_state !== "normal") { + return false; + } + if (ws.rQwait("FBU", FBU.bytes)) { return false; } + if (FBU.bytes === 0) { + if (ws.rQwait("rect header", 12)) { return false; } + /* New FramebufferUpdate */ + + hdr = ws.rQshiftBytes(12); + FBU.x = (hdr[0] << 8) + hdr[1]; + FBU.y = (hdr[2] << 8) + hdr[3]; + FBU.width = (hdr[4] << 8) + hdr[5]; + FBU.height = (hdr[6] << 8) + hdr[7]; + FBU.encoding = parseInt((hdr[8] << 24) + (hdr[9] << 16) + + (hdr[10] << 8) + hdr[11], 10); + + conf.onFBUReceive(that, + {'x': FBU.x, 'y': FBU.y, + 'width': FBU.width, 'height': FBU.height, + 'encoding': FBU.encoding, + 'encodingName': encNames[FBU.encoding]}); + + if (encNames[FBU.encoding]) { + // Debug: + /* + var msg = "FramebufferUpdate rects:" + FBU.rects; + msg += " x: " + FBU.x + " y: " + FBU.y; + msg += " width: " + FBU.width + " height: " + FBU.height; + msg += " encoding:" + FBU.encoding; + msg += "(" + encNames[FBU.encoding] + ")"; + msg += ", ws.rQlen(): " + ws.rQlen(); + Util.Debug(msg); + */ + } else { + fail("Disconnected: unsupported encoding " + + FBU.encoding); + return false; + } + } + + timing.last_fbu = (new Date()).getTime(); + + ret = encHandlers[FBU.encoding](); + + now = (new Date()).getTime(); + timing.cur_fbu += (now - timing.last_fbu); + + if (ret) { + encStats[FBU.encoding][0] += 1; + encStats[FBU.encoding][1] += 1; + } + + if (FBU.rects === 0) { + if (((FBU.width === fb_width) && + (FBU.height === fb_height)) || + (timing.fbu_rt_start > 0)) { + timing.full_fbu_total += timing.cur_fbu; + timing.full_fbu_cnt += 1; + Util.Info("Timing of full FBU, cur: " + + timing.cur_fbu + ", total: " + + timing.full_fbu_total + ", cnt: " + + timing.full_fbu_cnt + ", avg: " + + (timing.full_fbu_total / + timing.full_fbu_cnt)); + } + if (timing.fbu_rt_start > 0) { + fbu_rt_diff = now - timing.fbu_rt_start; + timing.fbu_rt_total += fbu_rt_diff; + timing.fbu_rt_cnt += 1; + Util.Info("full FBU round-trip, cur: " + + fbu_rt_diff + ", total: " + + timing.fbu_rt_total + ", cnt: " + + timing.fbu_rt_cnt + ", avg: " + + (timing.fbu_rt_total / + timing.fbu_rt_cnt)); + timing.fbu_rt_start = 0; + } + } + if (! ret) { + return ret; // false ret means need more data + } + } + + conf.onFBUComplete(that, + {'x': FBU.x, 'y': FBU.y, + 'width': FBU.width, 'height': FBU.height, + 'encoding': FBU.encoding, + 'encodingName': encNames[FBU.encoding]}); + + return true; // We finished this FBU +}; + +// +// FramebufferUpdate encodings +// + +encHandlers.RAW = function display_raw() { + //Util.Debug(">> display_raw (" + ws.rQlen() + " bytes)"); + + var cur_y, cur_height; + + if (FBU.lines === 0) { + FBU.lines = FBU.height; + } + FBU.bytes = FBU.width * fb_Bpp; // At least a line + if (ws.rQwait("RAW", FBU.bytes)) { return false; } + cur_y = FBU.y + (FBU.height - FBU.lines); + cur_height = Math.min(FBU.lines, + Math.floor(ws.rQlen()/(FBU.width * fb_Bpp))); + display.blitImage(FBU.x, cur_y, FBU.width, cur_height, + ws.get_rQ(), ws.get_rQi()); + ws.rQshiftBytes(FBU.width * cur_height * fb_Bpp); + FBU.lines -= cur_height; + + if (FBU.lines > 0) { + FBU.bytes = FBU.width * fb_Bpp; // At least another line + } else { + FBU.rects -= 1; + FBU.bytes = 0; + } + //Util.Debug("<< display_raw (" + ws.rQlen() + " bytes)"); + return true; +}; + +encHandlers.COPYRECT = function display_copy_rect() { + //Util.Debug(">> display_copy_rect"); + + var old_x, old_y; + + if (ws.rQwait("COPYRECT", 4)) { return false; } + old_x = ws.rQshift16(); + old_y = ws.rQshift16(); + display.copyImage(old_x, old_y, FBU.x, FBU.y, FBU.width, FBU.height); + FBU.rects -= 1; + FBU.bytes = 0; + return true; +}; + +encHandlers.RRE = function display_rre() { + //Util.Debug(">> display_rre (" + ws.rQlen() + " bytes)"); + var color, x, y, width, height, chunk; + + if (FBU.subrects === 0) { + if (ws.rQwait("RRE", 4+fb_Bpp)) { return false; } + FBU.subrects = ws.rQshift32(); + color = ws.rQshiftBytes(fb_Bpp); // Background + display.fillRect(FBU.x, FBU.y, FBU.width, FBU.height, color); + } + while ((FBU.subrects > 0) && (ws.rQlen() >= (fb_Bpp + 8))) { + color = ws.rQshiftBytes(fb_Bpp); + x = ws.rQshift16(); + y = ws.rQshift16(); + width = ws.rQshift16(); + height = ws.rQshift16(); + display.fillRect(FBU.x + x, FBU.y + y, width, height, color); + FBU.subrects -= 1; + } + //Util.Debug(" display_rre: rects: " + FBU.rects + + // ", FBU.subrects: " + FBU.subrects); + + if (FBU.subrects > 0) { + chunk = Math.min(rre_chunk_sz, FBU.subrects); + FBU.bytes = (fb_Bpp + 8) * chunk; + } else { + FBU.rects -= 1; + FBU.bytes = 0; + } + //Util.Debug("<< display_rre, FBU.bytes: " + FBU.bytes); + return true; +}; + +encHandlers.HEXTILE = function display_hextile() { + //Util.Debug(">> display_hextile"); + var subencoding, subrects, color, cur_tile, + tile_x, x, w, tile_y, y, h, xy, s, sx, sy, wh, sw, sh, + rQ = ws.get_rQ(), rQi = ws.get_rQi(); + + if (FBU.tiles === 0) { + FBU.tiles_x = Math.ceil(FBU.width/16); + FBU.tiles_y = Math.ceil(FBU.height/16); + FBU.total_tiles = FBU.tiles_x * FBU.tiles_y; + FBU.tiles = FBU.total_tiles; + } + + /* FBU.bytes comes in as 1, ws.rQlen() at least 1 */ + while (FBU.tiles > 0) { + FBU.bytes = 1; + if (ws.rQwait("HEXTILE subencoding", FBU.bytes)) { return false; } + subencoding = rQ[rQi]; // Peek + if (subencoding > 30) { // Raw + fail("Disconnected: illegal hextile subencoding " + subencoding); + //Util.Debug("ws.rQslice(0,30):" + ws.rQslice(0,30)); + return false; + } + subrects = 0; + cur_tile = FBU.total_tiles - FBU.tiles; + tile_x = cur_tile % FBU.tiles_x; + tile_y = Math.floor(cur_tile / FBU.tiles_x); + x = FBU.x + tile_x * 16; + y = FBU.y + tile_y * 16; + w = Math.min(16, (FBU.x + FBU.width) - x); + h = Math.min(16, (FBU.y + FBU.height) - y); + + /* Figure out how much we are expecting */ + if (subencoding & 0x01) { // Raw + //Util.Debug(" Raw subencoding"); + FBU.bytes += w * h * fb_Bpp; + } else { + if (subencoding & 0x02) { // Background + FBU.bytes += fb_Bpp; + } + if (subencoding & 0x04) { // Foreground + FBU.bytes += fb_Bpp; + } + if (subencoding & 0x08) { // AnySubrects + FBU.bytes += 1; // Since we aren't shifting it off + if (ws.rQwait("hextile subrects header", FBU.bytes)) { return false; } + subrects = rQ[rQi + FBU.bytes-1]; // Peek + if (subencoding & 0x10) { // SubrectsColoured + FBU.bytes += subrects * (fb_Bpp + 2); + } else { + FBU.bytes += subrects * 2; + } + } + } + + /* + Util.Debug(" tile:" + cur_tile + "/" + (FBU.total_tiles - 1) + + " (" + tile_x + "," + tile_y + ")" + + " [" + x + "," + y + "]@" + w + "x" + h + + ", subenc:" + subencoding + + "(last: " + FBU.lastsubencoding + "), subrects:" + + subrects + + ", ws.rQlen():" + ws.rQlen() + ", FBU.bytes:" + FBU.bytes + + " last:" + ws.rQslice(FBU.bytes-10, FBU.bytes) + + " next:" + ws.rQslice(FBU.bytes-1, FBU.bytes+10)); + */ + if (ws.rQwait("hextile", FBU.bytes)) { return false; } + + /* We know the encoding and have a whole tile */ + FBU.subencoding = rQ[rQi]; + rQi += 1; + if (FBU.subencoding === 0) { + if (FBU.lastsubencoding & 0x01) { + /* Weird: ignore blanks after RAW */ + Util.Debug(" Ignoring blank after RAW"); + } else { + display.fillRect(x, y, w, h, FBU.background); + } + } else if (FBU.subencoding & 0x01) { // Raw + display.blitImage(x, y, w, h, rQ, rQi); + rQi += FBU.bytes - 1; + } else { + if (FBU.subencoding & 0x02) { // Background + FBU.background = rQ.slice(rQi, rQi + fb_Bpp); + rQi += fb_Bpp; + } + if (FBU.subencoding & 0x04) { // Foreground + FBU.foreground = rQ.slice(rQi, rQi + fb_Bpp); + rQi += fb_Bpp; + } + + display.startTile(x, y, w, h, FBU.background); + if (FBU.subencoding & 0x08) { // AnySubrects + subrects = rQ[rQi]; + rQi += 1; + for (s = 0; s < subrects; s += 1) { + if (FBU.subencoding & 0x10) { // SubrectsColoured + color = rQ.slice(rQi, rQi + fb_Bpp); + rQi += fb_Bpp; + } else { + color = FBU.foreground; + } + xy = rQ[rQi]; + rQi += 1; + sx = (xy >> 4); + sy = (xy & 0x0f); + + wh = rQ[rQi]; + rQi += 1; + sw = (wh >> 4) + 1; + sh = (wh & 0x0f) + 1; + + display.subTile(sx, sy, sw, sh, color); + } + } + display.finishTile(); + } + ws.set_rQi(rQi); + FBU.lastsubencoding = FBU.subencoding; + FBU.bytes = 0; + FBU.tiles -= 1; + } + + if (FBU.tiles === 0) { + FBU.rects -= 1; + } + + //Util.Debug("<< display_hextile"); + return true; +}; + + +encHandlers.TIGHT_PNG = function display_tight_png() { + //Util.Debug(">> display_tight_png"); + var ctl, cmode, clength, getCLength, color, img; + //Util.Debug(" FBU.rects: " + FBU.rects); + //Util.Debug(" starting ws.rQslice(0,20): " + ws.rQslice(0,20) + " (" + ws.rQlen() + ")"); + + FBU.bytes = 1; // compression-control byte + if (ws.rQwait("TIGHT compression-control", FBU.bytes)) { return false; } + + // Get 'compact length' header and data size + getCLength = function (arr) { + var header = 1, data = 0; + data += arr[0] & 0x7f; + if (arr[0] & 0x80) { + header += 1; + data += (arr[1] & 0x7f) << 7; + if (arr[1] & 0x80) { + header += 1; + data += arr[2] << 14; + } + } + return [header, data]; + }; + + ctl = ws.rQpeek8(); + switch (ctl >> 4) { + case 0x08: cmode = "fill"; break; + case 0x09: cmode = "jpeg"; break; + case 0x0A: cmode = "png"; break; + default: throw("Illegal basic compression received, ctl: " + ctl); + } + switch (cmode) { + // fill uses fb_depth because TPIXELs drop the padding byte + case "fill": FBU.bytes += fb_depth; break; // TPIXEL + case "jpeg": FBU.bytes += 3; break; // max clength + case "png": FBU.bytes += 3; break; // max clength + } + + if (ws.rQwait("TIGHT " + cmode, FBU.bytes)) { return false; } + + //Util.Debug(" ws.rQslice(0,20): " + ws.rQslice(0,20) + " (" + ws.rQlen() + ")"); + //Util.Debug(" cmode: " + cmode); + + // Determine FBU.bytes + switch (cmode) { + case "fill": + ws.rQshift8(); // shift off ctl + color = ws.rQshiftBytes(fb_depth); + FBU.imgQ.push({ + 'type': 'fill', + 'img': {'complete': true}, + 'x': FBU.x, + 'y': FBU.y, + 'width': FBU.width, + 'height': FBU.height, + 'color': color}); + break; + case "jpeg": + case "png": + clength = getCLength(ws.rQslice(1, 4)); + FBU.bytes = 1 + clength[0] + clength[1]; // ctl + clength size + jpeg-data + if (ws.rQwait("TIGHT " + cmode, FBU.bytes)) { return false; } + + // We have everything, render it + //Util.Debug(" png, ws.rQlen(): " + ws.rQlen() + ", clength[0]: " + clength[0] + ", clength[1]: " + clength[1]); + ws.rQshiftBytes(1 + clength[0]); // shift off ctl + compact length + img = new Image(); + //img.onload = scan_tight_imgQ; + FBU.imgQ.push({ + 'type': 'img', + 'img': img, + 'x': FBU.x, + 'y': FBU.y}); + img.src = "data:image/" + cmode + + extract_data_uri(ws.rQshiftBytes(clength[1])); + img = null; + break; + } + FBU.bytes = 0; + FBU.rects -= 1; + //Util.Debug(" ending ws.rQslice(0,20): " + ws.rQslice(0,20) + " (" + ws.rQlen() + ")"); + //Util.Debug("<< display_tight_png"); + return true; +}; + +extract_data_uri = function(arr) { + //var i, stra = []; + //for (i=0; i< arr.length; i += 1) { + // stra.push(String.fromCharCode(arr[i])); + //} + //return "," + escape(stra.join('')); + return ";base64," + Base64.encode(arr); +}; + +scan_tight_imgQ = function() { + var data, imgQ, ctx; + ctx = display.get_context(); + if (rfb_state === 'normal') { + imgQ = FBU.imgQ; + while ((imgQ.length > 0) && (imgQ[0].img.complete)) { + data = imgQ.shift(); + if (data['type'] === 'fill') { + display.fillRect(data.x, data.y, data.width, data.height, data.color); + } else { + ctx.drawImage(data.img, data.x, data.y); + } + } + setTimeout(scan_tight_imgQ, scan_imgQ_rate); + } +}; + +encHandlers.DesktopSize = function set_desktopsize() { + Util.Debug(">> set_desktopsize"); + fb_width = FBU.width; + fb_height = FBU.height; + display.resize(fb_width, fb_height); + timing.fbu_rt_start = (new Date()).getTime(); + // Send a new non-incremental request + ws.send(fbUpdateRequests()); + + FBU.bytes = 0; + FBU.rects -= 1; + + Util.Debug("<< set_desktopsize"); + return true; +}; + +encHandlers.Cursor = function set_cursor() { + var x, y, w, h, pixelslength, masklength; + //Util.Debug(">> set_cursor"); + x = FBU.x; // hotspot-x + y = FBU.y; // hotspot-y + w = FBU.width; + h = FBU.height; + + pixelslength = w * h * fb_Bpp; + masklength = Math.floor((w + 7) / 8) * h; + + FBU.bytes = pixelslength + masklength; + if (ws.rQwait("cursor encoding", FBU.bytes)) { return false; } + + //Util.Debug(" set_cursor, x: " + x + ", y: " + y + ", w: " + w + ", h: " + h); + + display.changeCursor(ws.rQshiftBytes(pixelslength), + ws.rQshiftBytes(masklength), + x, y, w, h); + + FBU.bytes = 0; + FBU.rects -= 1; + + //Util.Debug("<< set_cursor"); + return true; +}; + +encHandlers.JPEG_quality_lo = function set_jpeg_quality() { + Util.Error("Server sent jpeg_quality pseudo-encoding"); +}; + +encHandlers.compress_lo = function set_compress_level() { + Util.Error("Server sent compress level pseudo-encoding"); +}; + +/* + * Client message routines + */ + +pixelFormat = function() { + //Util.Debug(">> pixelFormat"); + var arr; + arr = [0]; // msg-type + arr.push8(0); // padding + arr.push8(0); // padding + arr.push8(0); // padding + + arr.push8(fb_Bpp * 8); // bits-per-pixel + arr.push8(fb_depth * 8); // depth + arr.push8(0); // little-endian + arr.push8(conf.true_color ? 1 : 0); // true-color + + arr.push16(255); // red-max + arr.push16(255); // green-max + arr.push16(255); // blue-max + arr.push8(0); // red-shift + arr.push8(8); // green-shift + arr.push8(16); // blue-shift + + arr.push8(0); // padding + arr.push8(0); // padding + arr.push8(0); // padding + //Util.Debug("<< pixelFormat"); + return arr; +}; + +clientEncodings = function() { + //Util.Debug(">> clientEncodings"); + var arr, i, encList = []; + + for (i=0; i<encodings.length; i += 1) { + if ((encodings[i][0] === "Cursor") && + (! conf.local_cursor)) { + Util.Debug("Skipping Cursor pseudo-encoding"); + } else { + //Util.Debug("Adding encoding: " + encodings[i][0]); + encList.push(encodings[i][1]); + } + } + + arr = [2]; // msg-type + arr.push8(0); // padding + + arr.push16(encList.length); // encoding count + for (i=0; i < encList.length; i += 1) { + arr.push32(encList[i]); + } + //Util.Debug("<< clientEncodings: " + arr); + return arr; +}; + +fbUpdateRequest = function(incremental, x, y, xw, yw) { + //Util.Debug(">> fbUpdateRequest"); + if (typeof(x) === "undefined") { x = 0; } + if (typeof(y) === "undefined") { y = 0; } + if (typeof(xw) === "undefined") { xw = fb_width; } + if (typeof(yw) === "undefined") { yw = fb_height; } + var arr; + arr = [3]; // msg-type + arr.push8(incremental); + arr.push16(x); + arr.push16(y); + arr.push16(xw); + arr.push16(yw); + //Util.Debug("<< fbUpdateRequest"); + return arr; +}; + +// Based on clean/dirty areas, generate requests to send +fbUpdateRequests = function() { + var cleanDirty = display.getCleanDirtyReset(), + arr = [], i, cb, db; + + cb = cleanDirty.cleanBox; + if (cb.w > 0 && cb.h > 0) { + // Request incremental for clean box + arr = arr.concat(fbUpdateRequest(1, cb.x, cb.y, cb.w, cb.h)); + } + for (i = 0; i < cleanDirty.dirtyBoxes.length; i++) { + db = cleanDirty.dirtyBoxes[i]; + // Force all (non-incremental for dirty box + arr = arr.concat(fbUpdateRequest(0, db.x, db.y, db.w, db.h)); + } + return arr; +}; + + + +keyEvent = function(keysym, down) { + //Util.Debug(">> keyEvent, keysym: " + keysym + ", down: " + down); + var arr; + arr = [4]; // msg-type + arr.push8(down); + arr.push16(0); + arr.push32(keysym); + //Util.Debug("<< keyEvent"); + return arr; +}; + +pointerEvent = function(x, y) { + //Util.Debug(">> pointerEvent, x,y: " + x + "," + y + + // " , mask: " + mouse_buttonMask); + var arr; + arr = [5]; // msg-type + arr.push8(mouse_buttonMask); + arr.push16(x); + arr.push16(y); + //Util.Debug("<< pointerEvent"); + return arr; +}; + +clientCutText = function(text) { + //Util.Debug(">> clientCutText"); + var arr, i, n; + arr = [6]; // msg-type + arr.push8(0); // padding + arr.push8(0); // padding + arr.push8(0); // padding + arr.push32(text.length); + n = text.length; + for (i=0; i < n; i+=1) { + arr.push(text.charCodeAt(i)); + } + //Util.Debug("<< clientCutText:" + arr); + return arr; +}; + + + +// +// Public API interface functions +// + +that.connect = function(host, port, password, path) { + //Util.Debug(">> connect"); + + rfb_host = host; + rfb_port = port; + rfb_password = (password !== undefined) ? password : ""; + rfb_path = (path !== undefined) ? path : ""; + + if ((!rfb_host) || (!rfb_port)) { + return fail("Must set host and port"); + } + + updateState('connect'); + //Util.Debug("<< connect"); + +}; + +that.disconnect = function() { + //Util.Debug(">> disconnect"); + updateState('disconnect', 'Disconnecting'); + //Util.Debug("<< disconnect"); +}; + +that.sendPassword = function(passwd) { + rfb_password = passwd; + rfb_state = "Authentication"; + setTimeout(init_msg, 1); +}; + +that.sendCtrlAltDel = function() { + if (rfb_state !== "normal") { return false; } + Util.Info("Sending Ctrl-Alt-Del"); + var arr = []; + arr = arr.concat(keyEvent(0xFFE3, 1)); // Control + arr = arr.concat(keyEvent(0xFFE9, 1)); // Alt + arr = arr.concat(keyEvent(0xFFFF, 1)); // Delete + arr = arr.concat(keyEvent(0xFFFF, 0)); // Delete + arr = arr.concat(keyEvent(0xFFE9, 0)); // Alt + arr = arr.concat(keyEvent(0xFFE3, 0)); // Control + arr = arr.concat(fbUpdateRequests()); + ws.send(arr); +}; + +// Send a key press. If 'down' is not specified then send a down key +// followed by an up key. +that.sendKey = function(code, down) { + if (rfb_state !== "normal") { return false; } + var arr = []; + if (typeof down !== 'undefined') { + Util.Info("Sending key code (" + (down ? "down" : "up") + "): " + code); + arr = arr.concat(keyEvent(code, down ? 1 : 0)); + } else { + Util.Info("Sending key code (down + up): " + code); + arr = arr.concat(keyEvent(code, 1)); + arr = arr.concat(keyEvent(code, 0)); + } + arr = arr.concat(fbUpdateRequests()); + ws.send(arr); +}; + +that.clipboardPasteFrom = function(text) { + if (rfb_state !== "normal") { return; } + //Util.Debug(">> clipboardPasteFrom: " + text.substr(0,40) + "..."); + ws.send(clientCutText(text)); + //Util.Debug("<< clipboardPasteFrom"); +}; + +// Override internal functions for testing +that.testMode = function(override_send) { + test_mode = true; + that.recv_message = ws.testMode(override_send); + + checkEvents = function () { /* Stub Out */ }; + that.connect = function(host, port, password) { + rfb_host = host; + rfb_port = port; + rfb_password = password; + updateState('ProtocolVersion', "Starting VNC handshake"); + }; +}; + + +return constructor(); // Return the public API interface + +} // End of RFB() diff --git a/classes/novnc/include/ui.js b/classes/novnc/include/ui.js new file mode 100644 index 0000000..74a0005 --- /dev/null +++ b/classes/novnc/include/ui.js @@ -0,0 +1,629 @@ +/* + * noVNC: HTML5 VNC client + * Copyright (C) 2011 Joel Martin + * Licensed under LGPL-3 (see LICENSE.txt) + * + * See README.md for usage and integration instructions. + */ + +"use strict"; +/*jslint white: false, browser: true */ +/*global window, $D, Util, WebUtil, RFB, Display */ + +var UI = { + +rfb_state : 'loaded', +settingsOpen : false, +connSettingsOpen : true, +clipboardOpen: false, +keyboardVisible: false, + +// Render default UI and initialize settings menu +load: function() { + var html = '', i, sheet, sheets, llevels; + + // Stylesheet selection dropdown + sheet = WebUtil.selectStylesheet(); + sheets = WebUtil.getStylesheets(); + for (i = 0; i < sheets.length; i += 1) { + UI.addOption($D('noVNC_stylesheet'),sheets[i].title, sheets[i].title); + } + + // Logging selection dropdown + llevels = ['error', 'warn', 'info', 'debug']; + for (i = 0; i < llevels.length; i += 1) { + UI.addOption($D('noVNC_logging'),llevels[i], llevels[i]); + } + + // Settings with immediate effects + UI.initSetting('logging', 'warn'); + WebUtil.init_logging(UI.getSetting('logging')); + + UI.initSetting('stylesheet', 'default'); + WebUtil.selectStylesheet(null); + // call twice to get around webkit bug + WebUtil.selectStylesheet(UI.getSetting('stylesheet')); + + /* Populate the controls if defaults are provided in the URL */ + UI.initSetting('host', ''); + UI.initSetting('port', ''); + UI.initSetting('password', ''); + UI.initSetting('encrypt', false); + UI.initSetting('true_color', true); + UI.initSetting('cursor', false); + UI.initSetting('shared', true); + UI.initSetting('connectTimeout', 2); + UI.initSetting('path', ''); + + UI.rfb = RFB({'target': $D('noVNC_canvas'), + 'onUpdateState': UI.updateState, + 'onClipboard': UI.clipReceive}); + UI.updateVisualState(); + + // Unfocus clipboard when over the VNC area + //$D('VNC_screen').onmousemove = function () { + // var keyboard = UI.rfb.get_keyboard(); + // if ((! keyboard) || (! keyboard.get_focused())) { + // $D('VNC_clipboard_text').blur(); + // } + // }; + + // Show mouse selector buttons on touch screen devices + if ('ontouchstart' in document.documentElement) { + // Show mobile buttons + $D('noVNC_mobile_buttons').style.display = "inline"; + UI.setMouseButton(); + // Remove the address bar + setTimeout(function() { window.scrollTo(0, 1); }, 100); + UI.forceSetting('clip', true); + $D('noVNC_clip').disabled = true; + } else { + UI.initSetting('clip', false); + } + + //iOS Safari does not support CSS position:fixed. + //This detects iOS devices and enables javascript workaround. + if ((navigator.userAgent.match(/iPhone/i)) || + (navigator.userAgent.match(/iPod/i)) || + (navigator.userAgent.match(/iPad/i))) { + //UI.setOnscroll(); + //UI.setResize(); + } + + $D('noVNC_host').focus(); + + UI.setViewClip(); + Util.addEvent(window, 'resize', UI.setViewClip); + + Util.addEvent(window, 'beforeunload', function () { + if (UI.rfb_state === 'normal') { + return "You are currently connected."; + } + } ); + +}, + +// Read form control compatible setting from cookie +getSetting: function(name) { + var val, ctrl = $D('noVNC_' + name); + val = WebUtil.readCookie(name); + if (ctrl.type === 'checkbox') { + if (val.toLowerCase() in {'0':1, 'no':1, 'false':1}) { + val = false; + } else { + val = true; + } + } + return val; +}, + +// Update cookie and form control setting. If value is not set, then +// updates from control to current cookie setting. +updateSetting: function(name, value) { + + var i, ctrl = $D('noVNC_' + name); + // Save the cookie for this session + if (typeof value !== 'undefined') { + WebUtil.createCookie(name, value); + } + + // Update the settings control + value = UI.getSetting(name); + + if (ctrl.type === 'checkbox') { + ctrl.checked = value; + + } else if (typeof ctrl.options !== 'undefined') { + for (i = 0; i < ctrl.options.length; i += 1) { + if (ctrl.options[i].value === value) { + ctrl.selectedIndex = i; + break; + } + } + } else { + /*Weird IE9 error leads to 'null' appearring + in textboxes instead of ''.*/ + if (value === null) { + value = ""; + } + ctrl.value = value; + } +}, + +// Save control setting to cookie +saveSetting: function(name) { + var val, ctrl = $D('noVNC_' + name); + if (ctrl.type === 'checkbox') { + val = ctrl.checked; + } else if (typeof ctrl.options !== 'undefined') { + val = ctrl.options[ctrl.selectedIndex].value; + } else { + val = ctrl.value; + } + WebUtil.createCookie(name, val); + //Util.Debug("Setting saved '" + name + "=" + val + "'"); + return val; +}, + +// Initial page load read/initialization of settings +initSetting: function(name, defVal) { + var val; + + // Check Query string followed by cookie + val = WebUtil.getQueryVar(name); + if (val === null) { + val = WebUtil.readCookie(name, defVal); + } + UI.updateSetting(name, val); + //Util.Debug("Setting '" + name + "' initialized to '" + val + "'"); + return val; +}, + +// Force a setting to be a certain value +forceSetting: function(name, val) { + UI.updateSetting(name, val); + return val; +}, + + +// Show the clipboard panel +toggleClipboardPanel: function() { + //Close settings if open + if (UI.settingsOpen == true) { + UI.settingsApply(); + UI.closeSettingsMenu(); + } + //Close connection settings if open + if (UI.connSettingsOpen == true) { + UI.toggleConnectPanel(); + } + //Toggle Clipboard Panel + if (UI.clipboardOpen == true) { + $D('noVNC_clipboard').style.display = "none"; + $D('clipboardButton').className = "noVNC_status_button"; + UI.clipboardOpen = false; + } else { + $D('noVNC_clipboard').style.display = "block"; + $D('clipboardButton').className = "noVNC_status_button_selected"; + UI.clipboardOpen = true; + } +}, + +// Show the connection settings panel/menu +toggleConnectPanel: function() { + //Close connection settings if open + if (UI.settingsOpen == true) { + UI.settingsApply(); + UI.closeSettingsMenu(); + $D('connectButton').className = "noVNC_status_button"; + } + if (UI.clipboardOpen == true) { + UI.toggleClipboardPanel(); + } + + //Toggle Connection Panel + if (UI.connSettingsOpen == true) { + $D('noVNC_controls').style.display = "none"; + $D('connectButton').className = "noVNC_status_button"; + UI.connSettingsOpen = false; + } else { + $D('noVNC_controls').style.display = "block"; + $D('connectButton').className = "noVNC_status_button_selected"; + UI.connSettingsOpen = true; + $D('noVNC_host').focus(); + } +}, + +// Toggle the settings menu: +// On open, settings are refreshed from saved cookies. +// On close, settings are applied +toggleSettingsPanel: function() { + if (UI.settingsOpen) { + UI.settingsApply(); + UI.closeSettingsMenu(); + } else { + UI.updateSetting('encrypt'); + UI.updateSetting('true_color'); + if (UI.rfb.get_display().get_cursor_uri()) { + UI.updateSetting('cursor'); + } else { + UI.updateSetting('cursor', false); + $D('noVNC_cursor').disabled = true; + } + UI.updateSetting('clip'); + UI.updateSetting('shared'); + UI.updateSetting('connectTimeout'); + UI.updateSetting('path'); + UI.updateSetting('stylesheet'); + UI.updateSetting('logging'); + + UI.openSettingsMenu(); + } +}, + +// Open menu +openSettingsMenu: function() { + if (UI.clipboardOpen == true) { + UI.toggleClipboardPanel(); + } + //Close connection settings if open + if (UI.connSettingsOpen == true) { + UI.toggleConnectPanel(); + } + $D('noVNC_settings').style.display = "block"; + $D('settingsButton').className = "noVNC_status_button_selected"; + UI.settingsOpen = true; +}, + +// Close menu (without applying settings) +closeSettingsMenu: function() { + $D('noVNC_settings').style.display = "none"; + $D('settingsButton').className = "noVNC_status_button"; + UI.settingsOpen = false; +}, + +// Save/apply settings when 'Apply' button is pressed +settingsApply: function() { + //Util.Debug(">> settingsApply"); + UI.saveSetting('encrypt'); + UI.saveSetting('true_color'); + if (UI.rfb.get_display().get_cursor_uri()) { + UI.saveSetting('cursor'); + } + UI.saveSetting('clip'); + UI.saveSetting('shared'); + UI.saveSetting('connectTimeout'); + UI.saveSetting('path'); + UI.saveSetting('stylesheet'); + UI.saveSetting('logging'); + + // Settings with immediate (non-connected related) effect + WebUtil.selectStylesheet(UI.getSetting('stylesheet')); + WebUtil.init_logging(UI.getSetting('logging')); + UI.setViewClip(); + UI.setViewDrag(UI.rfb.get_viewportDrag()); + //Util.Debug("<< settingsApply"); +}, + + + +setPassword: function() { + UI.rfb.sendPassword($D('noVNC_password').value); + //Reset connect button. + $D('noVNC_connect_button').value = "Connect"; + $D('noVNC_connect_button').onclick = UI.Connect; + //Hide connection panel. + UI.toggleConnectPanel(); + return false; +}, + +sendCtrlAltDel: function() { + UI.rfb.sendCtrlAltDel(); +}, + +setMouseButton: function(num) { + var b, blist = [0, 1,2,4], button; + + if (typeof num === 'undefined') { + // Disable mouse buttons + num = -1; + } + if (UI.rfb) { + UI.rfb.get_mouse().set_touchButton(num); + } + + for (b = 0; b < blist.length; b++) { + button = $D('noVNC_mouse_button' + blist[b]); + if (blist[b] === num) { + button.style.display = ""; + } else { + button.style.display = "none"; + /* + button.style.backgroundColor = "black"; + button.style.color = "lightgray"; + button.style.backgroundColor = ""; + button.style.color = ""; + */ + } + } +}, + +updateState: function(rfb, state, oldstate, msg) { + var s, sb, c, d, cad, vd, klass; + UI.rfb_state = state; + s = $D('noVNC_status'); + sb = $D('noVNC_status_bar'); + switch (state) { + case 'failed': + case 'fatal': + klass = "noVNC_status_error"; + break; + case 'normal': + klass = "noVNC_status_normal"; + break; + case 'disconnected': + $D('noVNC_logo').style.display = "block"; + case 'loaded': + klass = "noVNC_status_normal"; + break; + case 'password': + UI.toggleConnectPanel(); + + $D('noVNC_connect_button').value = "Send Password"; + $D('noVNC_connect_button').onclick = UI.setPassword; + $D('noVNC_password').focus(); + + klass = "noVNC_status_warn"; + break; + default: + klass = "noVNC_status_warn"; + break; + } + + if (typeof(msg) !== 'undefined') { + s.setAttribute("class", klass); + sb.setAttribute("class", klass); + s.innerHTML = msg; + } + + UI.updateVisualState(); +}, + +// Disable/enable controls depending on connection state +updateVisualState: function() { + var connected = UI.rfb_state === 'normal' ? true : false; + + //Util.Debug(">> updateVisualState"); + $D('noVNC_encrypt').disabled = connected; + $D('noVNC_true_color').disabled = connected; + if (UI.rfb && UI.rfb.get_display() && + UI.rfb.get_display().get_cursor_uri()) { + $D('noVNC_cursor').disabled = connected; + } else { + UI.updateSetting('cursor', false); + $D('noVNC_cursor').disabled = true; + } + $D('noVNC_shared').disabled = connected; + $D('noVNC_connectTimeout').disabled = connected; + $D('noVNC_path').disabled = connected; + + if (connected) { + UI.setViewClip(); + UI.setMouseButton(1); + $D('showKeyboard').style.display = "inline"; + $D('sendCtrlAltDelButton').style.display = "inline"; + } else { + UI.setMouseButton(); + $D('showKeyboard').style.display = "none"; + $D('sendCtrlAltDelButton').style.display = "none"; + } + // State change disables viewport dragging. + // It is enabled (toggled) by direct click on the button + UI.setViewDrag(false); + + switch (UI.rfb_state) { + case 'fatal': + case 'failed': + case 'loaded': + case 'disconnected': + $D('connectButton').style.display = ""; + $D('disconnectButton').style.display = "none"; + break; + default: + $D('connectButton').style.display = "none"; + $D('disconnectButton').style.display = ""; + break; + } + + //Util.Debug("<< updateVisualState"); +}, + + +clipReceive: function(rfb, text) { + Util.Debug(">> UI.clipReceive: " + text.substr(0,40) + "..."); + $D('noVNC_clipboard_text').value = text; + Util.Debug("<< UI.clipReceive"); +}, + + +connect: function() { + var host, port, password, path; + + UI.closeSettingsMenu(); + UI.toggleConnectPanel(); + + host = $D('noVNC_host').value; + port = $D('noVNC_port').value; + password = $D('noVNC_password').value; + path = $D('noVNC_path').value; + if ((!host) || (!port)) { + throw("Must set host and port"); + } + + UI.rfb.set_encrypt(UI.getSetting('encrypt')); + UI.rfb.set_true_color(UI.getSetting('true_color')); + UI.rfb.set_local_cursor(UI.getSetting('cursor')); + UI.rfb.set_shared(UI.getSetting('shared')); + UI.rfb.set_connectTimeout(UI.getSetting('connectTimeout')); + + UI.rfb.connect(host, port, password, path); + //Close dialog. + setTimeout(UI.setBarPosition, 100); + $D('noVNC_logo').style.display = "none"; +}, + +disconnect: function() { + UI.closeSettingsMenu(); + UI.rfb.disconnect(); + + $D('noVNC_logo').style.display = "block"; + UI.connSettingsOpen = false; + UI.toggleConnectPanel(); +}, + +displayBlur: function() { + UI.rfb.get_keyboard().set_focused(false); + UI.rfb.get_mouse().set_focused(false); +}, + +displayFocus: function() { + UI.rfb.get_keyboard().set_focused(true); + UI.rfb.get_mouse().set_focused(true); +}, + +clipClear: function() { + $D('noVNC_clipboard_text').value = ""; + UI.rfb.clipboardPasteFrom(""); +}, + +clipSend: function() { + var text = $D('noVNC_clipboard_text').value; + Util.Debug(">> UI.clipSend: " + text.substr(0,40) + "..."); + UI.rfb.clipboardPasteFrom(text); + Util.Debug("<< UI.clipSend"); +}, + + +// Enable/disable and configure viewport clipping +setViewClip: function(clip) { + var display, cur_clip, pos, new_w, new_h; + + if (UI.rfb) { + display = UI.rfb.get_display(); + } else { + return; + } + + cur_clip = display.get_viewport(); + + if (typeof(clip) !== 'boolean') { + // Use current setting + clip = UI.getSetting('clip'); + } + + if (clip && !cur_clip) { + // Turn clipping on + UI.updateSetting('clip', true); + } else if (!clip && cur_clip) { + // Turn clipping off + UI.updateSetting('clip', false); + display.set_viewport(false); + $D('noVNC_canvas').style.position = 'static'; + display.viewportChange(); + } + if (UI.getSetting('clip')) { + // If clipping, update clipping settings + $D('noVNC_canvas').style.position = 'absolute'; + pos = Util.getPosition($D('noVNC_canvas')); + new_w = window.innerWidth - pos.x; + new_h = window.innerHeight - pos.y; + display.set_viewport(true); + display.viewportChange(0, 0, new_w, new_h); + } +}, + +// Toggle/set/unset the viewport drag/move button +setViewDrag: function(drag) { + var vmb = $D('noVNC_view_drag_button'); + if (!UI.rfb) { return; } + + if (UI.rfb_state === 'normal' && + UI.rfb.get_display().get_viewport()) { + vmb.style.display = "inline"; + } else { + vmb.style.display = "none"; + } + + if (typeof(drag) === "undefined") { + // If not specified, then toggle + drag = !UI.rfb.get_viewportDrag(); + } + if (drag) { + vmb.className = "noVNC_status_button_selected"; + UI.rfb.set_viewportDrag(true); + } else { + vmb.className = "noVNC_status_button"; + UI.rfb.set_viewportDrag(false); + } +}, + +// On touch devices, show the OS keyboard +showKeyboard: function() { + if(UI.keyboardVisible == false) { + $D('keyboardinput').focus(); + UI.keyboardVisible = true; + $D('showKeyboard').className = "noVNC_status_button_selected"; + } else if(UI.keyboardVisible == true) { + $D('keyboardinput').blur(); + $D('showKeyboard').className = "noVNC_status_button"; + UI.keyboardVisible = false; + } +}, + +keyInputBlur: function() { + $D('showKeyboard').className = "noVNC_status_button"; + //Weird bug in iOS if you change keyboardVisible + //here it does not actually occur so next time + //you click keyboard icon it doesnt work. + setTimeout("UI.setKeyboard()",100) +}, + +setKeyboard: function() { + UI.keyboardVisible = false; +}, + +// iOS < Version 5 does not support position fixed. Javascript workaround: +setOnscroll: function() { + window.onscroll = function() { + UI.setBarPosition(); + }; +}, + +setResize: function () { + window.onResize = function() { + UI.setBarPosition(); + }; +}, + +//Helper to add options to dropdown. +addOption: function(selectbox,text,value ) +{ + var optn = document.createElement("OPTION"); + optn.text = text; + optn.value = value; + selectbox.options.add(optn); +}, + +setBarPosition: function() { + $D('noVNC-control-bar').style.top = (window.pageYOffset) + 'px'; + $D('noVNC_mobile_buttons').style.left = (window.pageXOffset) + 'px'; + + var vncwidth = $D('noVNC_screen').style.offsetWidth; + $D('noVNC-control-bar').style.width = vncwidth + 'px'; +} + +}; + + + + diff --git a/classes/novnc/include/util.js b/classes/novnc/include/util.js new file mode 100644 index 0000000..0a9e0e0 --- /dev/null +++ b/classes/novnc/include/util.js @@ -0,0 +1,276 @@ +/* + * noVNC: HTML5 VNC client + * Copyright (C) 2011 Joel Martin + * Licensed under LGPL-3 (see LICENSE.txt) + * + * See README.md for usage and integration instructions. + */ + +"use strict"; +/*jslint bitwise: false, white: false */ +/*global window, console, document, navigator, ActiveXObject */ + +// Globals defined here +var Util = {}; + + +/* + * Make arrays quack + */ + +Array.prototype.push8 = function (num) { + this.push(num & 0xFF); +}; + +Array.prototype.push16 = function (num) { + this.push((num >> 8) & 0xFF, + (num ) & 0xFF ); +}; +Array.prototype.push32 = function (num) { + this.push((num >> 24) & 0xFF, + (num >> 16) & 0xFF, + (num >> 8) & 0xFF, + (num ) & 0xFF ); +}; + +/* + * ------------------------------------------------------ + * Namespaced in Util + * ------------------------------------------------------ + */ + +/* + * Logging/debug routines + */ + +Util._log_level = 'warn'; +Util.init_logging = function (level) { + if (typeof level === 'undefined') { + level = Util._log_level; + } else { + Util._log_level = level; + } + if (typeof window.console === "undefined") { + if (typeof window.opera !== "undefined") { + window.console = { + 'log' : window.opera.postError, + 'warn' : window.opera.postError, + 'error': window.opera.postError }; + } else { + window.console = { + 'log' : function(m) {}, + 'warn' : function(m) {}, + 'error': function(m) {}}; + } + } + + Util.Debug = Util.Info = Util.Warn = Util.Error = function (msg) {}; + switch (level) { + case 'debug': Util.Debug = function (msg) { console.log(msg); }; + case 'info': Util.Info = function (msg) { console.log(msg); }; + case 'warn': Util.Warn = function (msg) { console.warn(msg); }; + case 'error': Util.Error = function (msg) { console.error(msg); }; + case 'none': + break; + default: + throw("invalid logging type '" + level + "'"); + } +}; +Util.get_logging = function () { + return Util._log_level; +}; +// Initialize logging level +Util.init_logging(); + + +// Set configuration default for Crockford style function namespaces +Util.conf_default = function(cfg, api, defaults, v, mode, type, defval, desc) { + var getter, setter; + + // Default getter function + getter = function (idx) { + if ((type in {'arr':1, 'array':1}) && + (typeof idx !== 'undefined')) { + return cfg[v][idx]; + } else { + return cfg[v]; + } + }; + + // Default setter function + setter = function (val, idx) { + if (type in {'boolean':1, 'bool':1}) { + if ((!val) || (val in {'0':1, 'no':1, 'false':1})) { + val = false; + } else { + val = true; + } + } else if (type in {'integer':1, 'int':1}) { + val = parseInt(val, 10); + } else if (type === 'func') { + if (!val) { + val = function () {}; + } + } + if (typeof idx !== 'undefined') { + cfg[v][idx] = val; + } else { + cfg[v] = val; + } + }; + + // Set the description + api[v + '_description'] = desc; + + // Set the getter function + if (typeof api['get_' + v] === 'undefined') { + api['get_' + v] = getter; + } + + // Set the setter function with extra sanity checks + if (typeof api['set_' + v] === 'undefined') { + api['set_' + v] = function (val, idx) { + if (mode in {'RO':1, 'ro':1}) { + throw(v + " is read-only"); + } else if ((mode in {'WO':1, 'wo':1}) && + (typeof cfg[v] !== 'undefined')) { + throw(v + " can only be set once"); + } + setter(val, idx); + }; + } + + // Set the default value + if (typeof defaults[v] !== 'undefined') { + defval = defaults[v]; + } else if ((type in {'arr':1, 'array':1}) && + (! (defval instanceof Array))) { + defval = []; + } + // Coerce existing setting to the right type + //Util.Debug("v: " + v + ", defval: " + defval + ", defaults[v]: " + defaults[v]); + setter(defval); +}; + +// Set group of configuration defaults +Util.conf_defaults = function(cfg, api, defaults, arr) { + var i; + for (i = 0; i < arr.length; i++) { + Util.conf_default(cfg, api, defaults, arr[i][0], arr[i][1], + arr[i][2], arr[i][3], arr[i][4]); + } +} + + +/* + * Cross-browser routines + */ + +// Get DOM element position on page +Util.getPosition = function (obj) { + var x = 0, y = 0; + if (obj.offsetParent) { + do { + x += obj.offsetLeft; + y += obj.offsetTop; + obj = obj.offsetParent; + } while (obj); + } + return {'x': x, 'y': y}; +}; + +// Get mouse event position in DOM element +Util.getEventPosition = function (e, obj, scale) { + var evt, docX, docY, pos; + //if (!e) evt = window.event; + evt = (e ? e : window.event); + evt = (evt.changedTouches ? evt.changedTouches[0] : evt.touches ? evt.touches[0] : evt); + if (evt.pageX || evt.pageY) { + docX = evt.pageX; + docY = evt.pageY; + } else if (evt.clientX || evt.clientY) { + docX = evt.clientX + document.body.scrollLeft + + document.documentElement.scrollLeft; + docY = evt.clientY + document.body.scrollTop + + document.documentElement.scrollTop; + } + pos = Util.getPosition(obj); + if (typeof scale === "undefined") { + scale = 1; + } + return {'x': (docX - pos.x) / scale, 'y': (docY - pos.y) / scale}; +}; + + +// Event registration. Based on: http://www.scottandrew.com/weblog/articles/cbs-events +Util.addEvent = function (obj, evType, fn){ + if (obj.attachEvent){ + var r = obj.attachEvent("on"+evType, fn); + return r; + } else if (obj.addEventListener){ + obj.addEventListener(evType, fn, false); + return true; + } else { + throw("Handler could not be attached"); + } +}; + +Util.removeEvent = function(obj, evType, fn){ + if (obj.detachEvent){ + var r = obj.detachEvent("on"+evType, fn); + return r; + } else if (obj.removeEventListener){ + obj.removeEventListener(evType, fn, false); + return true; + } else { + throw("Handler could not be removed"); + } +}; + +Util.stopEvent = function(e) { + if (e.stopPropagation) { e.stopPropagation(); } + else { e.cancelBubble = true; } + + if (e.preventDefault) { e.preventDefault(); } + else { e.returnValue = false; } +}; + + +// Set browser engine versions. Based on mootools. +Util.Features = {xpath: !!(document.evaluate), air: !!(window.runtime), query: !!(document.querySelector)}; + +Util.Engine = { + 'presto': (function() { + return (!window.opera) ? false : ((arguments.callee.caller) ? 960 : ((document.getElementsByClassName) ? 950 : 925)); }()), + 'trident': (function() { + return (!window.ActiveXObject) ? false : ((window.XMLHttpRequest) ? ((document.querySelectorAll) ? 6 : 5) : 4); }()), + 'webkit': (function() { + try { return (navigator.taintEnabled) ? false : ((Util.Features.xpath) ? ((Util.Features.query) ? 525 : 420) : 419); } catch (e) { return false; } }()), + //'webkit': (function() { + // return ((typeof navigator.taintEnabled !== "unknown") && navigator.taintEnabled) ? false : ((Util.Features.xpath) ? ((Util.Features.query) ? 525 : 420) : 419); }()), + 'gecko': (function() { + return (!document.getBoxObjectFor && window.mozInnerScreenX == null) ? false : ((document.getElementsByClassName) ? 19 : 18); }()) +}; +if (Util.Engine.webkit) { + // Extract actual webkit version if available + Util.Engine.webkit = (function(v) { + var re = new RegExp('WebKit/([0-9\.]*) '); + v = (navigator.userAgent.match(re) || ['', v])[1]; + return parseFloat(v, 10); + })(Util.Engine.webkit); +} + +Util.Flash = (function(){ + var v, version; + try { + v = navigator.plugins['Shockwave Flash'].description; + } catch(err1) { + try { + v = new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version'); + } catch(err2) { + v = '0 r0'; + } + } + version = v.match(/\d+/g); + return {version: parseInt(version[0] || 0 + '.' + version[1], 10) || 0, build: parseInt(version[2], 10) || 0}; +}()); diff --git a/classes/novnc/include/vnc.js b/classes/novnc/include/vnc.js new file mode 100644 index 0000000..f938be7 --- /dev/null +++ b/classes/novnc/include/vnc.js @@ -0,0 +1,42 @@ +/* + * noVNC: HTML5 VNC client + * Copyright (C) 2011 Joel Martin + * Licensed under LGPL-3 (see LICENSE.txt) + * + * See README.md for usage and integration instructions. + */ + +/*jslint evil: true */ +/*global window, document, INCLUDE_URI */ + +/* + * Load supporting scripts + */ +function get_INCLUDE_URI() { + return (typeof INCLUDE_URI !== "undefined") ? INCLUDE_URI : "include/"; +} + +(function () { + "use strict"; + + var extra = "", start, end; + + start = "<script src='" + get_INCLUDE_URI(); + end = "'><\/script>"; + + // Uncomment to activate firebug lite + //extra += "<script src='http://getfirebug.com/releases/lite/1.2/" + + // "firebug-lite-compressed.js'><\/script>"; + + extra += start + "util.js" + end; + extra += start + "webutil.js" + end; + extra += start + "base64.js" + end; + extra += start + "websock.js" + end; + extra += start + "des.js" + end; + extra += start + "input.js" + end; + extra += start + "display.js" + end; + extra += start + "rfb.js" + end; + + document.write(extra); +}()); + diff --git a/classes/novnc/include/web-socket-js/README.txt b/classes/novnc/include/web-socket-js/README.txt new file mode 100644 index 0000000..2e32ea7 --- /dev/null +++ b/classes/novnc/include/web-socket-js/README.txt @@ -0,0 +1,109 @@ +* How to try + +Assuming you have Web server (e.g. Apache) running at http://example.com/ . + +- Download web_socket.rb from: + http://github.com/gimite/web-socket-ruby/tree/master +- Run sample Web Socket server (echo server) in example.com with: (#1) + $ ruby web-socket-ruby/samples/echo_server.rb example.com 10081 +- If your server already provides socket policy file at port 843, modify the file to allow access to port 10081. Otherwise you can skip this step. See below for details. +- Publish the web-socket-js directory with your Web server (e.g. put it in ~/public_html). +- Change ws://localhost:10081 to ws://example.com:10081 in sample.html. +- Open sample.html in your browser. +- After "onopen" is shown, input something, click [Send] and confirm echo back. + +#1: First argument of echo_server.rb means that it accepts Web Socket connection from HTML pages in example.com. + + +* Troubleshooting + +If it doesn't work, try these: + +1. Try Chrome and Firefox 3.x. +- It doesn't work on Chrome: +-- It's likely an issue of your code or the server. Debug your code as usual e.g. using console.log. +- It works on Chrome but it doesn't work on Firefox: +-- It's likely an issue of web-socket-js specific configuration (e.g. 3 and 4 below). +- It works on both Chrome and Firefox, but it doesn't work on your browser: +-- Check "Supported environment" section below. Your browser may not be supported by web-socket-js. + +2. Add this line before your code: + WEB_SOCKET_DEBUG = true; +and use Developer Tools (Chrome/Safari) or Firebug (Firefox) to see if console.log outputs any errors. + +3. Make sure you do NOT open your HTML page as local file e.g. file:///.../sample.html. web-socket-js doesn't work on local file. Open it via Web server e.g. http:///.../sample.html. + +4. If you are NOT using web-socket-ruby as your WebSocket server, you need to place Flash socket policy file on your server. See "Flash socket policy file" section below for details. + +5. Check if sample.html bundled with web-socket-js works. + +6. Make sure the port used for WebSocket (10081 in example above) is not blocked by your server/client's firewall. + +7. Install debugger version of Flash Player available here to see Flash errors: +http://www.adobe.com/support/flashplayer/downloads.html + + +* Supported environments + +It should work on: +- Google Chrome 4 or later (just uses native implementation) +- Firefox 3.x, Internet Explorer 8 + Flash Player 9 or later + +It may or may not work on other browsers such as Safari, Opera or IE 6. Patch for these browsers are appreciated, but I will not work on fixing issues specific to these browsers by myself. + + +* Flash socket policy file + +This implementation uses Flash's socket, which means that your server must provide Flash socket policy file to declare the server accepts connections from Flash. + +If you use web-socket-ruby available at +http://github.com/gimite/web-socket-ruby/tree/master +, you don't need anything special, because web-socket-ruby handles Flash socket policy file request. But if you already provide socket policy file at port 843, you need to modify the file to allow access to Web Socket port, because it precedes what web-socket-ruby provides. + +If you use other Web Socket server implementation, you need to provide socket policy file yourself. See +http://www.lightsphere.com/dev/articles/flash_socket_policy.html +for details and sample script to run socket policy file server. node.js implementation is available here: +http://github.com/LearnBoost/Socket.IO-node/blob/master/lib/socket.io/transports/flashsocket.js + +Actually, it's still better to provide socket policy file at port 843 even if you use web-socket-ruby. Flash always try to connect to port 843 first, so providing the file at port 843 makes startup faster. + + +* Cookie considerations + +Cookie is sent if Web Socket host is the same as the origin of JavaScript. Otherwise it is not sent, because I don't know way to send right Cookie (which is Cookie of the host of Web Socket, I heard). + +Note that it's technically possible that client sends arbitrary string as Cookie and any other headers (by modifying this library for example) once you place Flash socket policy file in your server. So don't trust Cookie and other headers if you allow connection from untrusted origin. + + +* Proxy considerations + +The WebSocket spec (http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol) specifies instructions for User Agents to support proxied connections by implementing the HTTP CONNECT method. + +The AS3 Socket class doesn't implement this mechanism, which renders it useless for the scenarios where the user trying to open a socket is behind a proxy. + +The class RFC2817Socket (by Christian Cantrell) effectively lets us implement this, as long as the proxy settings are known and provided by the interface that instantiates the WebSocket. As such, if you want to support proxied conncetions, you'll have to supply this information to the WebSocket constructor when Flash is being used. One way to go about it would be to ask the user for proxy settings information if the initial connection fails. + + +* How to host HTML file and SWF file in different domains + +By default, HTML file and SWF file must be in the same domain. You can follow steps below to allow hosting them in different domain. + +WARNING: If you use the method below, HTML files in ANY domains can send arbitrary TCP data to your WebSocket server, regardless of configuration in Flash socket policy file. Arbitrary TCP data means that they can even fake request headers including Origin and Cookie. + +- Unzip WebSocketMainInsecure.zip to extract WebSocketMainInsecure.swf. +- Put WebSocketMainInsecure.swf on your server, instead of WebSocketMain.swf. +- In JavaScript, set WEB_SOCKET_SWF_LOCATION to URL of your WebSocketMainInsecure.swf. + + +* How to build WebSocketMain.swf + +Install Flex 4 SDK: +http://opensource.adobe.com/wiki/display/flexsdk/Download+Flex+4 + +$ cd flash-src +$ ./build.sh + + +* License + +New BSD License. diff --git a/classes/novnc/include/web-socket-js/WebSocketMain.swf b/classes/novnc/include/web-socket-js/WebSocketMain.swf Binary files differnew file mode 100644 index 0000000..244c445 --- /dev/null +++ b/classes/novnc/include/web-socket-js/WebSocketMain.swf diff --git a/classes/novnc/include/web-socket-js/swfobject.js b/classes/novnc/include/web-socket-js/swfobject.js new file mode 100644 index 0000000..8eafe9d --- /dev/null +++ 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\ No newline at end of file diff --git a/classes/novnc/include/web-socket-js/web_socket.js b/classes/novnc/include/web-socket-js/web_socket.js new file mode 100644 index 0000000..ec2a8b7 --- /dev/null +++ b/classes/novnc/include/web-socket-js/web_socket.js @@ -0,0 +1,341 @@ +// Copyright: Hiroshi Ichikawa <http://gimite.net/en/> +// License: New BSD License +// Reference: http://dev.w3.org/html5/websockets/ +// Reference: http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol + +(function() { + + if (window.WebSocket) return; + + var console = window.console; + if (!console || !console.log || !console.error) { + console = {log: function(){ }, error: function(){ }}; + } + + if (!swfobject.hasFlashPlayerVersion("10.0.0")) { + console.error("Flash Player >= 10.0.0 is required."); + return; + } + if (location.protocol == "file:") { + console.error( + "WARNING: web-socket-js doesn't work in file:///... URL " + + "unless you set Flash Security Settings properly. " + + "Open the page via Web server i.e. http://..."); + } + + /** + * This class represents a faux web socket. + * @param {string} url + * @param {string} protocol + * @param {string} proxyHost + * @param {int} proxyPort + * @param {string} headers + */ + WebSocket = function(url, protocol, proxyHost, proxyPort, headers) { + var self = this; + self.__id = WebSocket.__nextId++; + WebSocket.__instances[self.__id] = self; + self.readyState = WebSocket.CONNECTING; + self.bufferedAmount = 0; + self.__events = {}; + // Uses setTimeout() to make sure __createFlash() runs after the caller sets ws.onopen etc. + // Otherwise, when onopen fires immediately, onopen is called before it is set. + setTimeout(function() { + WebSocket.__addTask(function() { + WebSocket.__flash.create( + self.__id, url, protocol, proxyHost || null, proxyPort || 0, headers || null); + }); + }, 0); + }; + + /** + * Send data to the web socket. + * @param {string} data The data to send to the socket. + * @return {boolean} True for success, false for failure. + */ + WebSocket.prototype.send = function(data) { + if (this.readyState == WebSocket.CONNECTING) { + throw "INVALID_STATE_ERR: Web Socket connection has not been established"; + } + // We use encodeURIComponent() here, because FABridge doesn't work if + // the argument includes some characters. We don't use escape() here + // because of this: + // https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Functions#escape_and_unescape_Functions + // But it looks decodeURIComponent(encodeURIComponent(s)) doesn't + // preserve all Unicode characters either e.g. "\uffff" in Firefox. + // Note by wtritch: Hopefully this will not be necessary using ExternalInterface. Will require + // additional testing. + var result = WebSocket.__flash.send(this.__id, encodeURIComponent(data)); + if (result < 0) { // success + return true; + } else { + this.bufferedAmount += result; + return false; + } + }; + + /** + * Close this web socket gracefully. + */ + WebSocket.prototype.close = function() { + if (this.readyState == WebSocket.CLOSED || this.readyState == WebSocket.CLOSING) { + return; + } + this.readyState = WebSocket.CLOSING; + WebSocket.__flash.close(this.__id); + }; + + /** + * Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>} + * + * @param {string} type + * @param {function} listener + * @param {boolean} useCapture + * @return void + */ + WebSocket.prototype.addEventListener = function(type, listener, useCapture) { + if (!(type in this.__events)) { + this.__events[type] = []; + } + this.__events[type].push(listener); + }; + + /** + * Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>} + * + * @param {string} type + * @param {function} listener + * @param {boolean} useCapture + * @return void + */ + WebSocket.prototype.removeEventListener = function(type, listener, useCapture) { + if (!(type in this.__events)) return; + var events = this.__events[type]; + for (var i = events.length - 1; i >= 0; --i) { + if (events[i] === listener) { + events.splice(i, 1); + break; + } + } + }; + + /** + * Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>} + * + * @param {Event} event + * @return void + */ + WebSocket.prototype.dispatchEvent = function(event) { + var events = this.__events[event.type] || []; + for (var i = 0; i < events.length; ++i) { + events[i](event); + } + var handler = this["on" + event.type]; + if (handler) handler(event); + }; + + /** + * Handles an event from Flash. + * @param {Object} flashEvent + */ + WebSocket.prototype.__handleEvent = function(flashEvent) { + if ("readyState" in flashEvent) { + this.readyState = flashEvent.readyState; + } + + var jsEvent; + if (flashEvent.type == "open" || flashEvent.type == "error") { + jsEvent = this.__createSimpleEvent(flashEvent.type); + } else if (flashEvent.type == "close") { + // TODO implement jsEvent.wasClean + jsEvent = this.__createSimpleEvent("close"); + } else if (flashEvent.type == "message") { + var data = decodeURIComponent(flashEvent.message); + jsEvent = this.__createMessageEvent("message", data); + } else { + throw "unknown event type: " + flashEvent.type; + } + + this.dispatchEvent(jsEvent); + }; + + WebSocket.prototype.__createSimpleEvent = function(type) { + if (document.createEvent && window.Event) { + var event = document.createEvent("Event"); + event.initEvent(type, false, false); + return event; + } else { + return {type: type, bubbles: false, cancelable: false}; + } + }; + + WebSocket.prototype.__createMessageEvent = function(type, data) { + if (document.createEvent && window.MessageEvent && !window.opera) { + var event = document.createEvent("MessageEvent"); + event.initMessageEvent("message", false, false, data, null, null, window, null); + return event; + } else { + // IE and Opera, the latter one truncates the data parameter after any 0x00 bytes. + return {type: type, data: data, bubbles: false, cancelable: false}; + } + }; + + /** + * Define the WebSocket readyState enumeration. + */ + WebSocket.CONNECTING = 0; + WebSocket.OPEN = 1; + WebSocket.CLOSING = 2; + WebSocket.CLOSED = 3; + + WebSocket.__flash = null; + WebSocket.__instances = {}; + WebSocket.__tasks = []; + WebSocket.__nextId = 0; + + /** + * Load a new flash security policy file. + * @param {string} url + */ + WebSocket.loadFlashPolicyFile = function(url){ + WebSocket.__addTask(function() { + WebSocket.__flash.loadManualPolicyFile(url); + }); + }; + + /** + * Loads WebSocketMain.swf and creates WebSocketMain object in Flash. + */ + WebSocket.__initialize = function() { + if (WebSocket.__flash) return; + + if (WebSocket.__swfLocation) { + // For backword compatibility. + window.WEB_SOCKET_SWF_LOCATION = WebSocket.__swfLocation; + } + if (!window.WEB_SOCKET_SWF_LOCATION) { + console.error("[WebSocket] set WEB_SOCKET_SWF_LOCATION to location of WebSocketMain.swf"); + return; + } + var container = document.createElement("div"); + container.id = "webSocketContainer"; + // Hides Flash box. We cannot use display: none or visibility: hidden because it prevents + // Flash from loading at least in IE. So we move it out of the screen at (-100, -100). + // But this even doesn't work with Flash Lite (e.g. in Droid Incredible). So with Flash + // Lite, we put it at (0, 0). This shows 1x1 box visible at left-top corner but this is + // the best we can do as far as we know now. + container.style.position = "absolute"; + if (WebSocket.__isFlashLite()) { + container.style.left = "0px"; + container.style.top = "0px"; + } else { + container.style.left = "-100px"; + container.style.top = "-100px"; + } + var holder = document.createElement("div"); + holder.id = "webSocketFlash"; + container.appendChild(holder); + document.body.appendChild(container); + // See this article for hasPriority: + // http://help.adobe.com/en_US/as3/mobile/WS4bebcd66a74275c36cfb8137124318eebc6-7ffd.html + swfobject.embedSWF( + WEB_SOCKET_SWF_LOCATION, + "webSocketFlash", + "1" /* width */, + "1" /* height */, + "10.0.0" /* SWF version */, + null, + null, + {hasPriority: true, swliveconnect : true, allowScriptAccess: "always"}, + null, + function(e) { + if (!e.success) { + console.error("[WebSocket] swfobject.embedSWF failed"); + } + }); + }; + + /** + * Called by Flash to notify JS that it's fully loaded and ready + * for communication. + */ + WebSocket.__onFlashInitialized = function() { + // We need to set a timeout here to avoid round-trip calls + // to flash during the initialization process. + setTimeout(function() { + WebSocket.__flash = document.getElementById("webSocketFlash"); + WebSocket.__flash.setCallerUrl(location.href); + WebSocket.__flash.setDebug(!!window.WEB_SOCKET_DEBUG); + for (var i = 0; i < WebSocket.__tasks.length; ++i) { + WebSocket.__tasks[i](); + } + WebSocket.__tasks = []; + }, 0); + }; + + /** + * Called by Flash to notify WebSockets events are fired. + */ + WebSocket.__onFlashEvent = function() { + setTimeout(function() { + try { + // Gets events using receiveEvents() instead of getting it from event object + // of Flash event. This is to make sure to keep message order. + // It seems sometimes Flash events don't arrive in the same order as they are sent. + var events = WebSocket.__flash.receiveEvents(); + for (var i = 0; i < events.length; ++i) { + WebSocket.__instances[events[i].webSocketId].__handleEvent(events[i]); + } + } catch (e) { + console.error(e); + } + }, 0); + return true; + }; + + // Called by Flash. + WebSocket.__log = function(message) { + console.log(decodeURIComponent(message)); + }; + + // Called by Flash. + WebSocket.__error = function(message) { + console.error(decodeURIComponent(message)); + }; + + WebSocket.__addTask = function(task) { + if (WebSocket.__flash) { + task(); + } else { + WebSocket.__tasks.push(task); + } + }; + + /** + * Test if the browser is running flash lite. + * @return {boolean} True if flash lite is running, false otherwise. + */ + WebSocket.__isFlashLite = function() { + if (!window.navigator || !window.navigator.mimeTypes) { + return false; + } + var mimeType = window.navigator.mimeTypes["application/x-shockwave-flash"]; + if (!mimeType || !mimeType.enabledPlugin || !mimeType.enabledPlugin.filename) { + return false; + } + return mimeType.enabledPlugin.filename.match(/flashlite/i) ? true : false; + }; + + if (!window.WEB_SOCKET_DISABLE_AUTO_INITIALIZATION) { + if (window.addEventListener) { + window.addEventListener("load", function(){ + WebSocket.__initialize(); + }, false); + } else { + window.attachEvent("onload", function(){ + WebSocket.__initialize(); + }); + } + } + +})(); diff --git a/classes/novnc/include/websock.js b/classes/novnc/include/websock.js new file mode 100644 index 0000000..a688f76 --- /dev/null +++ b/classes/novnc/include/websock.js @@ -0,0 +1,347 @@ +/* + * Websock: high-performance binary WebSockets + * Copyright (C) 2011 Joel Martin + * Licensed under LGPL-3 (see LICENSE.txt) + * + * Websock is similar to the standard WebSocket object but Websock + * enables communication with raw TCP sockets (i.e. the binary stream) + * via websockify. This is accomplished by base64 encoding the data + * stream between Websock and websockify. + * + * Websock has built-in receive queue buffering; the message event + * does not contain actual data but is simply a notification that + * there is new data available. Several rQ* methods are available to + * read binary data off of the receive queue. + */ + + +// Load Flash WebSocket emulator if needed + +if (window.WebSocket) { + Websock_native = true; +} else if (window.MozWebSocket) { + Websock_native = true; + window.WebSocket = window.MozWebSocket; +} else { + /* no builtin WebSocket so load web_socket.js */ + Websock_native = false; + (function () { + function get_INCLUDE_URI() { + return (typeof INCLUDE_URI !== "undefined") ? + INCLUDE_URI : "include/"; + } + + var start = "<script src='" + get_INCLUDE_URI(), + end = "'><\/script>", extra = ""; + + WEB_SOCKET_SWF_LOCATION = get_INCLUDE_URI() + + "web-socket-js/WebSocketMain.swf"; + if (Util.Engine.trident) { + Util.Debug("Forcing uncached load of WebSocketMain.swf"); + WEB_SOCKET_SWF_LOCATION += "?" + Math.random(); + } + extra += start + "web-socket-js/swfobject.js" + end; + extra += start + "web-socket-js/web_socket.js" + end; + document.write(extra); + }()); +} + + +function Websock() { +"use strict"; + +var api = {}, // Public API + websocket = null, // WebSocket object + rQ = [], // Receive queue + rQi = 0, // Receive queue index + rQmax = 10000, // Max receive queue size before compacting + sQ = [], // Send queue + + eventHandlers = { + 'message' : function() {}, + 'open' : function() {}, + 'close' : function() {}, + 'error' : function() {} + }, + + test_mode = false; + + +// +// Queue public functions +// + +function get_sQ() { + return sQ; +} + +function get_rQ() { + return rQ; +} +function get_rQi() { + return rQi; +} +function set_rQi(val) { + rQi = val; +}; + +function rQlen() { + return rQ.length - rQi; +} + +function rQpeek8() { + return (rQ[rQi] ); +} +function rQshift8() { + return (rQ[rQi++] ); +} +function rQunshift8(num) { + if (rQi === 0) { + rQ.unshift(num); + } else { + rQi -= 1; + rQ[rQi] = num; + } + +} +function rQshift16() { + return (rQ[rQi++] << 8) + + (rQ[rQi++] ); +} +function rQshift32() { + return (rQ[rQi++] << 24) + + (rQ[rQi++] << 16) + + (rQ[rQi++] << 8) + + (rQ[rQi++] ); +} +function rQshiftStr(len) { + var arr = rQ.slice(rQi, rQi + len); + rQi += len; + return arr.map(function (num) { + return String.fromCharCode(num); } ).join(''); + +} +function rQshiftBytes(len) { + rQi += len; + return rQ.slice(rQi-len, rQi); +} + +function rQslice(start, end) { + if (end) { + return rQ.slice(rQi + start, rQi + end); + } else { + return rQ.slice(rQi + start); + } +} + +// Check to see if we must wait for 'num' bytes (default to FBU.bytes) +// to be available in the receive queue. Return true if we need to +// wait (and possibly print a debug message), otherwise false. +function rQwait(msg, num, goback) { + var rQlen = rQ.length - rQi; // Skip rQlen() function call + if (rQlen < num) { + if (goback) { + if (rQi < goback) { + throw("rQwait cannot backup " + goback + " bytes"); + } + rQi -= goback; + } + //Util.Debug(" waiting for " + (num-rQlen) + + // " " + msg + " byte(s)"); + return true; // true means need more data + } + return false; +} + +// +// Private utility routines +// + +function encode_message() { + /* base64 encode */ + return Base64.encode(sQ); +} + +function decode_message(data) { + //Util.Debug(">> decode_message: " + data); + /* base64 decode */ + rQ = rQ.concat(Base64.decode(data, 0)); + //Util.Debug(">> decode_message, rQ: " + rQ); +} + + +// +// Public Send functions +// + +function flush() { + if (websocket.bufferedAmount !== 0) { + Util.Debug("bufferedAmount: " + websocket.bufferedAmount); + } + if (websocket.bufferedAmount < api.maxBufferedAmount) { + //Util.Debug("arr: " + arr); + //Util.Debug("sQ: " + sQ); + if (sQ.length > 0) { + websocket.send(encode_message(sQ)); + sQ = []; + } + return true; + } else { + Util.Info("Delaying send, bufferedAmount: " + + websocket.bufferedAmount); + return false; + } +} + +// overridable for testing +function send(arr) { + //Util.Debug(">> send_array: " + arr); + sQ = sQ.concat(arr); + return flush(); +} + +function send_string(str) { + //Util.Debug(">> send_string: " + str); + api.send(str.split('').map( + function (chr) { return chr.charCodeAt(0); } ) ); +} + +// +// Other public functions + +function recv_message(e) { + //Util.Debug(">> recv_message: " + e.data.length); + + try { + decode_message(e.data); + if (rQlen() > 0) { + eventHandlers.message(); + // Compact the receive queue + if (rQ.length > rQmax) { + //Util.Debug("Compacting receive queue"); + rQ = rQ.slice(rQi); + rQi = 0; + } + } else { + Util.Debug("Ignoring empty message"); + } + } catch (exc) { + if (typeof exc.stack !== 'undefined') { + Util.Warn("recv_message, caught exception: " + exc.stack); + } else if (typeof exc.description !== 'undefined') { + Util.Warn("recv_message, caught exception: " + exc.description); + } else { + Util.Warn("recv_message, caught exception:" + exc); + } + if (typeof exc.name !== 'undefined') { + eventHandlers.error(exc.name + ": " + exc.message); + } else { + eventHandlers.error(exc); + } + } + //Util.Debug("<< recv_message"); +} + + +// Set event handlers +function on(evt, handler) { + eventHandlers[evt] = handler; +} + +function init() { + rQ = []; + rQi = 0; + sQ = []; + websocket = null; +} + +function open(uri) { + init(); + + if (test_mode) { + websocket = {}; + } else { + websocket = new WebSocket(uri, 'base64'); + // TODO: future native binary support + //websocket = new WebSocket(uri, ['binary', 'base64']); + } + + websocket.onmessage = recv_message; + websocket.onopen = function() { + Util.Debug(">> WebSock.onopen"); + if (websocket.protocol) { + Util.Info("Server chose sub-protocol: " + websocket.protocol); + } + eventHandlers.open(); + Util.Debug("<< WebSock.onopen"); + }; + websocket.onclose = function(e) { + Util.Debug(">> WebSock.onclose"); + eventHandlers.close(e); + Util.Debug("<< WebSock.onclose"); + }; + websocket.onerror = function(e) { + Util.Debug(">> WebSock.onerror: " + e); + eventHandlers.error(e); + Util.Debug("<< WebSock.onerror"); + }; +} + +function close() { + if (websocket) { + if ((websocket.readyState === WebSocket.OPEN) || + (websocket.readyState === WebSocket.CONNECTING)) { + Util.Info("Closing WebSocket connection"); + websocket.close(); + } + websocket.onmessage = function (e) { return; }; + } +} + +// Override internal functions for testing +// Takes a send function, returns reference to recv function +function testMode(override_send) { + test_mode = true; + api.send = override_send; + api.close = function () {}; + return recv_message; +} + +function constructor() { + // Configuration settings + api.maxBufferedAmount = 200; + + // Direct access to send and receive queues + api.get_sQ = get_sQ; + api.get_rQ = get_rQ; + api.get_rQi = get_rQi; + api.set_rQi = set_rQi; + + // Routines to read from the receive queue + api.rQlen = rQlen; + api.rQpeek8 = rQpeek8; + api.rQshift8 = rQshift8; + api.rQunshift8 = rQunshift8; + api.rQshift16 = rQshift16; + api.rQshift32 = rQshift32; + api.rQshiftStr = rQshiftStr; + api.rQshiftBytes = rQshiftBytes; + api.rQslice = rQslice; + api.rQwait = rQwait; + + api.flush = flush; + api.send = send; + api.send_string = send_string; + + api.on = on; + api.init = init; + api.open = open; + api.close = close; + api.testMode = testMode; + + return api; +} + +return constructor(); + +} diff --git a/classes/novnc/include/webutil.js b/classes/novnc/include/webutil.js new file mode 100644 index 0000000..95138f8 --- /dev/null +++ b/classes/novnc/include/webutil.js @@ -0,0 +1,148 @@ +/* + * noVNC: HTML5 VNC client + * Copyright (C) 2011 Joel Martin + * Licensed under LGPL-3 (see LICENSE.txt) + * + * See README.md for usage and integration instructions. + */ + +"use strict"; +/*jslint bitwise: false, white: false */ +/*global window, document */ + +// Globals defined here +var WebUtil = {}, $D; + +/* + * Simple DOM selector by ID + */ +if (!window.$D) { + $D = function (id) { + if (document.getElementById) { + return document.getElementById(id); + } else if (document.all) { + return document.all[id]; + } else if (document.layers) { + return document.layers[id]; + } + return undefined; + }; +} + + +/* + * ------------------------------------------------------ + * Namespaced in WebUtil + * ------------------------------------------------------ + */ + +// init log level reading the logging HTTP param +WebUtil.init_logging = function() { + Util._log_level = (document.location.href.match( + /logging=([A-Za-z0-9\._\-]*)/) || + ['', Util._log_level])[1]; + + Util.init_logging() +} +WebUtil.init_logging(); + + +WebUtil.dirObj = function (obj, depth, parent) { + var i, msg = "", val = ""; + if (! depth) { depth=2; } + if (! parent) { parent= ""; } + + // Print the properties of the passed-in object + for (i in obj) { + if ((depth > 1) && (typeof obj[i] === "object")) { + // Recurse attributes that are objects + msg += WebUtil.dirObj(obj[i], depth-1, parent + "." + i); + } else { + //val = new String(obj[i]).replace("\n", " "); + if (typeof(obj[i]) === "undefined") { + val = "undefined"; + } else { + val = obj[i].toString().replace("\n", " "); + } + if (val.length > 30) { + val = val.substr(0,30) + "..."; + } + msg += parent + "." + i + ": " + val + "\n"; + } + } + return msg; +}; + +// Read a query string variable +WebUtil.getQueryVar = function(name, defVal) { + var re = new RegExp('[?][^#]*' + name + '=([^&#]*)'); + if (typeof defVal === 'undefined') { defVal = null; } + return (document.location.href.match(re) || ['',defVal])[1]; +}; + + +/* + * Cookie handling. Dervied from: http://www.quirksmode.org/js/cookies.html + */ + +// No days means only for this browser session +WebUtil.createCookie = function(name,value,days) { + var date, expires; + if (days) { + date = new Date(); + date.setTime(date.getTime()+(days*24*60*60*1000)); + expires = "; expires="+date.toGMTString(); + } + else { + expires = ""; + } + document.cookie = name+"="+value+expires+"; path=/"; +}; + +WebUtil.readCookie = function(name, defaultValue) { + var i, c, nameEQ = name + "=", ca = document.cookie.split(';'); + for(i=0; i < ca.length; i += 1) { + c = ca[i]; + while (c.charAt(0) === ' ') { c = c.substring(1,c.length); } + if (c.indexOf(nameEQ) === 0) { return c.substring(nameEQ.length,c.length); } + } + return (typeof defaultValue !== 'undefined') ? defaultValue : null; +}; + +WebUtil.eraseCookie = function(name) { + WebUtil.createCookie(name,"",-1); +}; + +/* + * Alternate stylesheet selection + */ +WebUtil.getStylesheets = function() { var i, links, sheets = []; + links = document.getElementsByTagName("link"); + for (i = 0; i < links.length; i += 1) { + if (links[i].title && + links[i].rel.toUpperCase().indexOf("STYLESHEET") > -1) { + sheets.push(links[i]); + } + } + return sheets; +}; + +// No sheet means try and use value from cookie, null sheet used to +// clear all alternates. +WebUtil.selectStylesheet = function(sheet) { + var i, link, sheets = WebUtil.getStylesheets(); + if (typeof sheet === 'undefined') { + sheet = 'default'; + } + for (i=0; i < sheets.length; i += 1) { + link = sheets[i]; + if (link.title === sheet) { + Util.Debug("Using stylesheet " + sheet); + link.disabled = false; + } else { + //Util.Debug("Skipping stylesheet " + link.title); + link.disabled = true; + } + } + return sheet; +}; |