/* * Copyright (c) 2015 Sylvain Peyrefitte * * This file is part of mstsc.js. * * mstsc.js is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ (function() { /** * Mouse button mapping * @param button {integer} client button number */ function mouseButtonMap(button) { switch(button) { case 0: return 1; case 2: return 2; default: return 0; } }; /** * Mstsc client * Input client connection (mouse and keyboard) * bitmap processing * @param canvas {canvas} rendering element */ function Client(canvas) { this.canvas = canvas; // create renderer this.render = new Mstsc.Canvas.create(this.canvas); this.socket = null; this.activeSession = false; this.mouseNagleTimer = null; this.mouseNagleData = null; this.install(); } /* obj.mNagleTimer = setTimeout(function () { obj.send(String.fromCharCode(5, obj.buttonmask) + ShortToStr(obj.mx) + ShortToStr(obj.my)); obj.mNagleTimer = null; }, 50); */ Client.prototype = { install : function () { var self = this; // Bind mouse move event this.canvas.addEventListener('mousemove', function (e) { if (!self.socket || !self.activeSession) return; var rect = e.target.getBoundingClientRect(); self.mouseNagleData = ['mouse', e.clientX - rect.left, e.clientY - rect.top, 0, false]; if (self.mouseNagleTimer == null) { //console.log('sending', self.mouseNagleData); self.mouseNagleTimer = setTimeout(function () { self.socket.send(JSON.stringify(self.mouseNagleData)); self.mouseNagleTimer = null; }, 50); } //self.socket.send(JSON.stringify(this.mouseNagleData)); e.preventDefault(); return false; }); this.canvas.addEventListener('mousedown', function (e) { if (!self.socket || !self.activeSession) return; if (self.mouseNagleTimer != null) { clearTimeout(self.mouseNagleTimer); self.mouseNagleTimer = null; } var rect = e.target.getBoundingClientRect(); self.socket.send(JSON.stringify(['mouse', e.clientX - rect.left, e.clientY - rect.top, mouseButtonMap(e.button), true])); e.preventDefault(); return false; }); this.canvas.addEventListener('mouseup', function (e) { if (!self.socket || !self.activeSession) return; if (self.mouseNagleTimer != null) { clearTimeout(self.mouseNagleTimer); self.mouseNagleTimer = null; } var rect = e.target.getBoundingClientRect(); self.socket.send(JSON.stringify(['mouse', e.clientX - rect.left, e.clientY - rect.top, mouseButtonMap(e.button), false])); e.preventDefault(); return false; }); this.canvas.addEventListener('contextmenu', function (e) { if (!self.socket || !self.activeSession) return; if (self.mouseNagleTimer != null) { clearTimeout(self.mouseNagleTimer); self.mouseNagleTimer = null; } var rect = e.target.getBoundingClientRect(); self.socket.send(JSON.stringify(['mouse', e.clientX - rect.left, e.clientY - rect.top, mouseButtonMap(e.button), false])); e.preventDefault(); return false; }); this.canvas.addEventListener('DOMMouseScroll', function (e) { if (!self.socket || !self.activeSession) return; if (self.mouseNagleTimer != null) { clearTimeout(self.mouseNagleTimer); self.mouseNagleTimer = null; } var isHorizontal = false; var delta = e.detail; //var step = Math.round(Math.abs(delta) * 15 / 8); //var step = Math.abs(e.detail); var step = 128; //console.log('DOMMouseScroll', delta, step, e.detail); var rect = e.target.getBoundingClientRect(); self.socket.send(JSON.stringify(['wheel', e.clientX - rect.left, e.clientY - rect.top, step, delta > 0, isHorizontal])); e.preventDefault(); return false; }); this.canvas.addEventListener('mousewheel', function (e) { if (!self.socket || !self.activeSession) return; if (self.mouseNagleTimer != null) { clearTimeout(self.mouseNagleTimer); self.mouseNagleTimer = null; } var isHorizontal = Math.abs(e.deltaX) > Math.abs(e.deltaY); var delta = isHorizontal?e.deltaX:e.deltaY; //var step = Math.round(Math.abs(delta) * 15 / 8); var step = 128; //console.log('mousewheel', delta, step, e); var rect = e.target.getBoundingClientRect(); self.socket.send(JSON.stringify(['wheel', e.clientX - rect.left, e.clientY - rect.top, step, delta > 0, isHorizontal])); e.preventDefault(); return false; }); // Bind keyboard event window.addEventListener('keydown', function (e) { if (!self.socket || !self.activeSession) return; self.socket.send(JSON.stringify(['scancode', Mstsc.scancode(e), true])); e.preventDefault(); return false; }); window.addEventListener('keyup', function (e) { if (!self.socket || !self.activeSession) return; self.socket.send(JSON.stringify(['scancode', Mstsc.scancode(e), false])); e.preventDefault(); return false; }); return this; }, /** * disconnect */ disconnect: function () { if (this.socket) { this.socket.close(); } }, /** * connect * @param ip {string} ip target for rdp * @param domain {string} microsoft domain * @param username {string} session username * @param password {string} session password * @param next {function} asynchrone end callback */ connect : function (ip, domain, username, password, options, next) { // Start connection var self = this; this.socket = new WebSocket('wss://' + window.location.host + '/mstscrelay.ashx'); this.socket.binaryType = 'arraybuffer'; this.socket.onopen = function () { //console.log("WS-OPEN"); self.socket.send(JSON.stringify(['infos', { ip: ip, port: 3389, screen: { width: self.canvas.width, height: self.canvas.height }, domain: domain, username: username, password: password, options: options, locale: Mstsc.locale() }])); }; this.socket.onmessage = function (evt) { if (typeof evt.data == 'string') { // This is a JSON text string, parse it. var msg = JSON.parse(evt.data); switch (msg[0]) { case 'rdp-connect': { //console.log('[mstsc.js] connected'); self.activeSession = true; break; } case 'rdp-bitmap': { if (self.bitmapData == null) break; var bitmap = msg[1]; bitmap.data = self.bitmapData; // Use the binary data that was sent earlier. delete self.bitmapData; //console.log('[mstsc.js] bitmap update bpp : ' + bitmap.bitsPerPixel); self.render.update(bitmap); break; } case 'rdp-close': { //console.log('[mstsc.js] close'); self.activeSession = false; next(null); break; } case 'rdp-error': { var err = msg[1]; console.log('[mstsc.js] error : ' + err.code + '(' + err.message + ')'); self.activeSession = false; next(err); break; } } } else { // This is binary bitmap data, store it. self.bitmapData = evt.data; } }; this.socket.onclose = function () { //console.log("WS-CLOSE"); self.activeSession = false; next(null); }; } } MstscClient = { create : function (canvas) { return new Client(canvas); } } })();