mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-12-27 07:35:53 -05:00
183 lines
7.8 KiB
JavaScript
183 lines
7.8 KiB
JavaScript
/**
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* @description RDP Remote Desktop
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* @author Ylian Saint-Hilaire
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* @version v0.0.1
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*/
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// Construct a RDP remote desktop object
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var CreateRDPDesktop = function (canvasid) {
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var obj = {}
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obj.m = {};
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obj.State = 0;
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obj.canvas = Q(canvasid);
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obj.CanvasId = canvasid;
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if (typeof canvasid === 'string') obj.CanvasId = Q(canvasid);
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obj.Canvas = obj.CanvasId.getContext('2d');
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obj.ScreenWidth = obj.width = 1280;
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obj.ScreenHeight = obj.height = 1024;
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function mouseButtonMap(button) {
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// Swap mouse buttons if needed
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if (obj.m.SwapMouse === true) return [2, 0, 1, 0, 0][button];
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return [1, 0, 2, 0, 0][button];
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};
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obj.Start = function (nodeid, port, credentials) {
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changeState(1);
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obj.nodeid = nodeid;
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obj.port = port;
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obj.credentials = credentials;
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var options = { savepass: credentials.savecred, useServerCreds: credentials.servercred, width: credentials.width, height: credentials.height, flags: credentials.flags };
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if (credentials.width && credentials.height) {
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options.width = obj.ScreenWidth = obj.width = credentials.width;
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options.height = obj.ScreenHeight = obj.height = credentials.height;
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delete credentials.width;
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delete credentials.height;
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}
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obj.render = new Mstsc.Canvas.create(obj.canvas);
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obj.socket = new WebSocket('wss://' + window.location.host + '/mstscrelay.ashx'); // TODO: Support domains
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obj.socket.binaryType = 'arraybuffer';
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obj.socket.onopen = function () {
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changeState(2); // Setup state
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obj.socket.send(JSON.stringify(['infos', {
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ip: obj.nodeid,
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port: obj.port,
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screen: { width: obj.width, height: obj.height },
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domain: credentials.domain,
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username: credentials.username,
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password: credentials.password,
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options: options,
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locale: Mstsc.locale()
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}]));
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};
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obj.socket.onmessage = function (evt) {
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if (typeof evt.data == 'string') {
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// This is a JSON text string, parse it.
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var msg = JSON.parse(evt.data);
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switch (msg[0]) {
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case 'rdp-connect': {
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changeState(3);
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obj.rotation = 0;
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obj.Canvas.setTransform(1, 0, 0, 1, 0, 0);
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obj.Canvas.canvas.width = obj.ScreenWidth;
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obj.Canvas.canvas.height = obj.ScreenHeight;
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obj.Canvas.fillRect(0, 0, obj.ScreenWidth, obj.ScreenHeight);
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if (obj.m.onScreenSizeChange != null) { obj.m.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId); }
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break;
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}
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case 'rdp-bitmap': {
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if (obj.bitmapData == null) break;
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var bitmap = msg[1];
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bitmap.data = obj.bitmapData; // Use the binary data that was sent earlier.
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delete obj.bitmapData;
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obj.render.update(bitmap);
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break;
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}
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case 'rdp-close': {
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obj.Stop();
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break;
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}
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case 'rdp-error': {
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var err = msg[1];
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console.log('[mstsc.js] error : ' + err.code + '(' + err.message + ')');
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obj.Stop();
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break;
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}
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case 'ping': { obj.socket.send('["pong"]'); break; }
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case 'pong': { break; }
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}
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} else {
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// This is binary bitmap data, store it.
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obj.bitmapData = evt.data;
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}
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};
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obj.socket.onclose = function () { changeState(0); };
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changeState(1);
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}
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obj.Stop = function () {
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obj.Canvas.fillRect(0, 0, obj.ScreenWidth, obj.ScreenHeight);
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if (obj.socket) { obj.socket.close(); }
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}
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function changeState(newstate) {
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if (obj.State == newstate) return;
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obj.State = newstate;
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if (obj.onStateChanged != null) obj.onStateChanged(obj, obj.State);
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}
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function getPositionOfControl(Control) {
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var Position = Array(2);
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Position[0] = Position[1] = 0;
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while (Control) { Position[0] += Control.offsetLeft; Position[1] += Control.offsetTop; Control = Control.offsetParent; }
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return Position;
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}
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function getMousePosition(event) {
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var ScaleFactorHeight = (obj.Canvas.canvas.height / obj.CanvasId.clientHeight);
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var ScaleFactorWidth = (obj.Canvas.canvas.width / obj.CanvasId.clientWidth);
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var Offsets = getPositionOfControl(obj.Canvas.canvas);
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var X = ((event.pageX - Offsets[0]) * ScaleFactorWidth);
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var Y = ((event.pageY - Offsets[1]) * ScaleFactorHeight);
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if (event.addx) { X += event.addx; }
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if (event.addy) { Y += event.addy; }
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return { x: X, y: Y };
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}
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obj.m.mousemove = function (e) {
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if (!obj.socket || (obj.State != 3)) return;
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var m = getMousePosition(e);
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if ((m.x < 0) || (m.y < 0) || (m.x > obj.ScreenWidth) || (m.y > obj.ScreenHeight)) return;
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obj.mouseNagleData = ['mouse', m.x, m.y, 0, false];
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if (obj.mouseNagleTimer == null) { obj.mouseNagleTimer = setTimeout(function () { obj.socket.send(JSON.stringify(obj.mouseNagleData)); obj.mouseNagleTimer = null; }, 50); }
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e.preventDefault();
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return false;
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}
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obj.m.mouseup = function (e) {
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if (!obj.socket || (obj.State != 3)) return;
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var m = getMousePosition(e);
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if ((m.x < 0) || (m.y < 0) || (m.x > obj.ScreenWidth) || (m.y > obj.ScreenHeight)) return;
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if (obj.mouseNagleTimer != null) { clearTimeout(obj.mouseNagleTimer); obj.mouseNagleTimer = null; }
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obj.socket.send(JSON.stringify(['mouse', m.x, m.y, mouseButtonMap(e.button), false]));
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e.preventDefault();
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return false;
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}
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obj.m.mousedown = function (e) {
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if (!obj.socket || (obj.State != 3)) return;
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var m = getMousePosition(e);
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if ((m.x < 0) || (m.y < 0) || (m.x > obj.ScreenWidth) || (m.y > obj.ScreenHeight)) return;
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if (obj.mouseNagleTimer != null) { clearTimeout(obj.mouseNagleTimer); obj.mouseNagleTimer = null; }
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obj.socket.send(JSON.stringify(['mouse', m.x, m.y, mouseButtonMap(e.button), true]));
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e.preventDefault();
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return false;
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}
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obj.m.handleKeyUp = function (e) {
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if (!obj.socket || (obj.State != 3)) return;
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obj.socket.send(JSON.stringify(['scancode', Mstsc.scancode(e), false]));
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e.preventDefault();
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return false;
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}
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obj.m.handleKeyDown = function (e) {
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if (!obj.socket || (obj.State != 3)) return;
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obj.socket.send(JSON.stringify(['scancode', Mstsc.scancode(e), true]));
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e.preventDefault();
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return false;
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}
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obj.m.mousewheel = function (e) {
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if (!obj.socket || (obj.State != 3)) return;
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var m = getMousePosition(e);
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if ((m.x < 0) || (m.y < 0) || (m.x > obj.ScreenWidth) || (m.y > obj.ScreenHeight)) return;
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if (obj.mouseNagleTimer != null) { clearTimeout(obj.mouseNagleTimer); obj.mouseNagleTimer = null; }
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var delta = 0;
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if (e.detail) { delta = (e.detail * 120); } else if (e.wheelDelta) { delta = (e.wheelDelta * 3); }
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if (delta != 0) { obj.socket.send(JSON.stringify(['wheel', m.x, m.y, delta, false, false])); }
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e.preventDefault();
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return false;
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}
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obj.m.mousedblclick = function () { }
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obj.m.handleKeyPress = function () { }
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obj.m.setRotation = function () { }
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return obj;
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}
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