| 1 | /* |
| 2 | * Copyright (c) 2015 Sylvain Peyrefitte |
| 3 | * |
| 4 | * This file is part of mstsc.js. |
| 5 | * |
| 6 | * mstsc.js is free software: you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation, either version 3 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | /* |
| 20 | * added get clipboard from remote RDP - Simon Smith 2024 |
| 21 | * added set clipboard to remote RDP - Simon Smith 2024 |
| 22 | */ |
| 23 | |
| 24 | (function() { |
| 25 | /** |
| 26 | * Mouse button mapping |
| 27 | * @param button {integer} client button number |
| 28 | */ |
| 29 | function mouseButtonMap(button) { |
| 30 | switch(button) { |
| 31 | case 0: return 1; |
| 32 | case 2: return 2; |
| 33 | default: return 0; |
| 34 | } |
| 35 | }; |
| 36 | |
| 37 | /** |
| 38 | * Mstsc client |
| 39 | * Input client connection (mouse and keyboard) |
| 40 | * bitmap processing |
| 41 | * @param canvas {canvas} rendering element |
| 42 | */ |
| 43 | function Client(canvas) { |
| 44 | this.canvas = canvas; |
| 45 | // create renderer |
| 46 | this.render = new Mstsc.Canvas.create(this.canvas); |
| 47 | this.socket = null; |
| 48 | this.activeSession = false; |
| 49 | this.mouseNagleTimer = null; |
| 50 | this.mouseNagleData = null; |
| 51 | this.install(); |
| 52 | } |
| 53 | |
| 54 | /* |
| 55 | obj.mNagleTimer = setTimeout(function () { |
| 56 | obj.send(String.fromCharCode(5, obj.buttonmask) + ShortToStr(obj.mx) + ShortToStr(obj.my)); |
| 57 | obj.mNagleTimer = null; |
| 58 | }, 50); |
| 59 | */ |
| 60 | |
| 61 | Client.prototype = { |
| 62 | install : function () { |
| 63 | var self = this; |
| 64 | |
| 65 | // Bind mouse move event |
| 66 | this.canvas.addEventListener('mousemove', function (e) { |
| 67 | if (!self.socket || !self.activeSession) return; |
| 68 | var rect = e.target.getBoundingClientRect(); |
| 69 | self.mouseNagleData = ['mouse', e.clientX - rect.left, e.clientY - rect.top, 0, false]; |
| 70 | if (self.mouseNagleTimer == null) { |
| 71 | //console.log('sending', self.mouseNagleData); |
| 72 | self.mouseNagleTimer = setTimeout(function () { self.socket.send(JSON.stringify(self.mouseNagleData)); self.mouseNagleTimer = null; }, 50); |
| 73 | } |
| 74 | //self.socket.send(JSON.stringify(this.mouseNagleData)); |
| 75 | e.preventDefault(); |
| 76 | return false; |
| 77 | }); |
| 78 | this.canvas.addEventListener('mousedown', function (e) { |
| 79 | if (!self.socket || !self.activeSession) return; |
| 80 | if (self.mouseNagleTimer != null) { clearTimeout(self.mouseNagleTimer); self.mouseNagleTimer = null; } |
| 81 | var rect = e.target.getBoundingClientRect(); |
| 82 | self.socket.send(JSON.stringify(['mouse', e.clientX - rect.left, e.clientY - rect.top, mouseButtonMap(e.button), true])); |
| 83 | e.preventDefault(); |
| 84 | return false; |
| 85 | }); |
| 86 | this.canvas.addEventListener('mouseup', function (e) { |
| 87 | if (!self.socket || !self.activeSession) return; |
| 88 | if (self.mouseNagleTimer != null) { clearTimeout(self.mouseNagleTimer); self.mouseNagleTimer = null; } |
| 89 | var rect = e.target.getBoundingClientRect(); |
| 90 | self.socket.send(JSON.stringify(['mouse', e.clientX - rect.left, e.clientY - rect.top, mouseButtonMap(e.button), false])); |
| 91 | e.preventDefault(); |
| 92 | return false; |
| 93 | }); |
| 94 | this.canvas.addEventListener('contextmenu', function (e) { |
| 95 | if (!self.socket || !self.activeSession) return; |
| 96 | if (self.mouseNagleTimer != null) { clearTimeout(self.mouseNagleTimer); self.mouseNagleTimer = null; } |
| 97 | var rect = e.target.getBoundingClientRect(); |
| 98 | self.socket.send(JSON.stringify(['mouse', e.clientX - rect.left, e.clientY - rect.top, mouseButtonMap(e.button), false])); |
| 99 | e.preventDefault(); |
| 100 | return false; |
| 101 | }); |
| 102 | this.canvas.addEventListener('DOMMouseScroll', function (e) { |
| 103 | if (!self.socket || !self.activeSession) return; |
| 104 | if (self.mouseNagleTimer != null) { clearTimeout(self.mouseNagleTimer); self.mouseNagleTimer = null; } |
| 105 | var isHorizontal = false; |
| 106 | var delta = e.detail; |
| 107 | //var step = Math.round(Math.abs(delta) * 15 / 8); |
| 108 | //var step = Math.abs(e.detail); |
| 109 | var step = 128; |
| 110 | //console.log('DOMMouseScroll', delta, step, e.detail); |
| 111 | var rect = e.target.getBoundingClientRect(); |
| 112 | self.socket.send(JSON.stringify(['wheel', e.clientX - rect.left, e.clientY - rect.top, step, delta > 0, isHorizontal])); |
| 113 | e.preventDefault(); |
| 114 | return false; |
| 115 | }); |
| 116 | this.canvas.addEventListener('mousewheel', function (e) { |
| 117 | if (!self.socket || !self.activeSession) return; |
| 118 | if (self.mouseNagleTimer != null) { clearTimeout(self.mouseNagleTimer); self.mouseNagleTimer = null; } |
| 119 | var isHorizontal = Math.abs(e.deltaX) > Math.abs(e.deltaY); |
| 120 | var delta = isHorizontal?e.deltaX:e.deltaY; |
| 121 | //var step = Math.round(Math.abs(delta) * 15 / 8); |
| 122 | var step = 128; |
| 123 | //console.log('mousewheel', delta, step, e); |
| 124 | var rect = e.target.getBoundingClientRect(); |
| 125 | self.socket.send(JSON.stringify(['wheel', e.clientX - rect.left, e.clientY - rect.top, step, delta > 0, isHorizontal])); |
| 126 | e.preventDefault(); |
| 127 | return false; |
| 128 | }); |
| 129 | |
| 130 | // Bind keyboard event |
| 131 | window.addEventListener('keydown', function (e) { |
| 132 | if (!self.socket || !self.activeSession) return; |
| 133 | self.socket.send(JSON.stringify(['scancode', Mstsc.scancode(e), true])); |
| 134 | e.preventDefault(); |
| 135 | return false; |
| 136 | }); |
| 137 | window.addEventListener('keyup', function (e) { |
| 138 | if (!self.socket || !self.activeSession) return; |
| 139 | self.socket.send(JSON.stringify(['scancode', Mstsc.scancode(e), false])); |
| 140 | e.preventDefault(); |
| 141 | return false; |
| 142 | }); |
| 143 | |
| 144 | window.addEventListener('blur', function () { |
| 145 | if (!self.socket || !self.activeSession) return; |
| 146 | // Release modifiers so they can't get stuck on the remote after an Alt+Tab (issue #330). |
| 147 | var mods = [42, 54, 29, 57373, 56, 57400, 57435, 57436]; |
| 148 | for (var i = 0; i < mods.length; i++) { self.socket.send(JSON.stringify(['scancode', mods[i], false])); } |
| 149 | }); |
| 150 | |
| 151 | return this; |
| 152 | }, |
| 153 | /** |
| 154 | * disconnect |
| 155 | */ |
| 156 | disconnect: function () { |
| 157 | if (this.socket) { this.socket.close(); } |
| 158 | }, |
| 159 | /** |
| 160 | * connect |
| 161 | * @param ip {string} ip target for rdp |
| 162 | * @param domain {string} microsoft domain |
| 163 | * @param username {string} session username |
| 164 | * @param password {string} session password |
| 165 | * @param next {function} asynchrone end callback |
| 166 | */ |
| 167 | connect : function (ip, domain, username, password, options, next) { |
| 168 | // Start connection |
| 169 | var self = this; |
| 170 | this.socket = new WebSocket('wss://' + window.location.host + '/mstscrelay.ashx'); |
| 171 | this.socket.binaryType = 'arraybuffer'; |
| 172 | this.socket.onopen = function () { |
| 173 | //console.log("WS-OPEN"); |
| 174 | self.socket.send(JSON.stringify(['infos', { |
| 175 | ip: ip, |
| 176 | port: 3389, |
| 177 | screen: { |
| 178 | width: self.canvas.width, |
| 179 | height: self.canvas.height |
| 180 | }, |
| 181 | domain: domain, |
| 182 | username: username, |
| 183 | password: password, |
| 184 | options: options, |
| 185 | locale: Mstsc.locale() |
| 186 | }])); |
| 187 | self.prevClipboardText = null; |
| 188 | self.clipboardReadTimer = setInterval(function(){ |
| 189 | if(navigator.clipboard.readText != null){ |
| 190 | if (Mstsc.browser() == 'firefox') return; // this is needed because firefox pops up a PASTE option every second which is annoying |
| 191 | navigator.clipboard.readText() |
| 192 | .then(function(data){ |
| 193 | if(data != self.prevClipboard){ |
| 194 | self.prevClipboard = data; |
| 195 | if (self.socket) { self.socket.send(JSON.stringify(['clipboard', data])); } |
| 196 | } |
| 197 | }) |
| 198 | .catch(function(){ }); |
| 199 | } |
| 200 | }, 1000); |
| 201 | }; |
| 202 | this.socket.onmessage = function (evt) { |
| 203 | if (typeof evt.data == 'string') { |
| 204 | // This is a JSON text string, parse it. |
| 205 | var msg = JSON.parse(evt.data); |
| 206 | switch (msg[0]) { |
| 207 | case 'rdp-connect': { |
| 208 | //console.log('[mstsc.js] connected'); |
| 209 | self.activeSession = true; |
| 210 | break; |
| 211 | } |
| 212 | case 'rdp-bitmap': { |
| 213 | if (self.bitmapData == null) break; |
| 214 | var bitmap = msg[1]; |
| 215 | bitmap.data = self.bitmapData; // Use the binary data that was sent earlier. |
| 216 | delete self.bitmapData; |
| 217 | //console.log('[mstsc.js] bitmap update bpp : ' + bitmap.bitsPerPixel); |
| 218 | self.render.update(bitmap); |
| 219 | break; |
| 220 | } |
| 221 | case 'rdp-close': { |
| 222 | //console.log('[mstsc.js] close'); |
| 223 | self.activeSession = false; |
| 224 | next(null); |
| 225 | break; |
| 226 | } |
| 227 | case 'rdp-error': { |
| 228 | var err = msg[1]; |
| 229 | console.log('[mstsc.js] error : ' + err.code + '(' + err.message + ')'); |
| 230 | self.activeSession = false; |
| 231 | next(err); |
| 232 | break; |
| 233 | } |
| 234 | case 'rdp-clipboard': { |
| 235 | if ((msg[1] != null) && (navigator.clipboard.writeText != null)) { |
| 236 | navigator.clipboard.writeText(msg[1]) // Put remote clipboard data into our clipboard |
| 237 | .then(function() { }) |
| 238 | .catch(function(err) { console.log('clipboard.writeText Error', err); }); |
| 239 | } |
| 240 | break; |
| 241 | } |
| 242 | } |
| 243 | } else { |
| 244 | // This is binary bitmap data, store it. |
| 245 | self.bitmapData = evt.data; |
| 246 | } |
| 247 | }; |
| 248 | this.socket.onclose = function () { |
| 249 | //console.log("WS-CLOSE"); |
| 250 | self.activeSession = false; |
| 251 | clearInterval(self.clipboardReadTimer); |
| 252 | self.prevClipboardText = null; |
| 253 | next(null); |
| 254 | }; |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | MstscClient = { create : function (canvas) { return new Client(canvas); } } |
| 259 | })(); |