128 lines
4.3 KiB
JavaScript
128 lines
4.3 KiB
JavaScript
/**
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* @description Remote Desktop
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* @author Ylian Saint-Hilaire
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* @version v0.0.2
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*/
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// Construct a Intel AMT IDER object
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var CreateAmtRemoteIder = function (serverurl) {
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var obj = {};
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obj.protocol = 3; // IDER
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obj.state = 0;
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obj.socket = null;
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obj.serverurl = serverurl;
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obj.bytesToAmt = 0;
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obj.bytesFromAmt = 0;
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// Private method
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obj.Debug = function (msg) { console.log(msg); }
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// Private method, called by parent when it change state
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obj.xxStateChange = function (newstate) {
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//console.log("STATE: " + newstate);
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if (newstate == 0) { obj.Stop(); } // Tell Storage Server to stop IDER
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if (newstate == 3) { obj.StateChange(3); _Send('D'); } // Tell Storage Server to start IDER
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}
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// Private method
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obj.StateChange = function (newstate) { obj.state = newstate; }
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// Private method
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obj.ProcessData = function (data) { _Send('F' + data); obj.bytesFromAmt += data.length; }
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obj.Start = function (host, port, user, pass, tls) {
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//obj.Debug("IDER-Start");
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obj.host = host;
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obj.port = port;
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obj.user = user;
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obj.pass = pass;
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obj.tls = tls;
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obj.bytesToAmt = 0;
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obj.bytesFromAmt = 0;
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obj.socket = new WebSocket(serverurl);
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obj.socket.onopen = _OnSocketConnected;
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obj.socket.onmessage = _OnMessage;
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obj.socket.onclose = _OnSocketClosed;
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obj.StateChange(1);
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}
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obj.Stop = function () {
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if (obj.socket != null) { _Send('G'); obj.socket.close(); obj.socket = null; }
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obj.StateChange(0);
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obj.parent.Stop();
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}
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function _OnSocketConnected() {
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obj.Debug("Socket Connected");
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obj.StateChange(2);
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_Send('C');
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}
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function _OnMessage(e) {
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if (typeof e.data == 'object') {
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var f = new FileReader();
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if (f.readAsBinaryString) {
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// Chrome & Firefox (Draft)
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f.onload = function (e) { _OnSocketData(e.target.result); }
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f.readAsBinaryString(new Blob([e.data]));
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} else if (f.readAsArrayBuffer) {
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// Chrome & Firefox (Spec)
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f.onloadend = function (e) { _OnSocketData(e.target.result); }
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f.readAsArrayBuffer(e.data);
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} else {
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// IE10, readAsBinaryString does not exist, use an alternative.
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var binary = "";
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var bytes = new Uint8Array(e.data);
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var length = bytes.byteLength;
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for (var i = 0; i < length; i++) { binary += String.fromCharCode(bytes[i]); }
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_OnSocketData(binary);
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}
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} else {
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_OnSocketData(e.data);
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}
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};
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function _OnSocketData(data) {
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if (!data) return;
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if (typeof data === 'object') {
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// This is an ArrayBuffer, convert it to a string array (used in IE)
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var binary = "";
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var bytes = new Uint8Array(data);
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var length = bytes.byteLength;
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for (var i = 0; i < length; i++) { binary += String.fromCharCode(bytes[i]); }
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data = binary;
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}
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else if (typeof data !== 'string') { return; }
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// console.log("CMD: " + data.substring(0, 1));
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// Handle commands
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switch (data.substring(0, 1)) {
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case 'A': { data[0] = 'B'; _Send(data); break; } // Echo
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case 'C': { obj.parent.Start(obj.host, obj.port, obj.user, obj.pass, obj.tls); break; } // Session Start
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case 'E': { obj.Stop(); break; } // Stop IDER
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case 'F': { obj.parent.xxSend(data.substring(1)); obj.bytesToAmt += (data.length - 1); break; } // IDER Data
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case 'H': { if (obj.onDialogPrompt) obj.onDialogPrompt(obj, JSON.parse(data.substring(1))); } // IDER Dialog Prompt
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}
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}
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function _OnSocketClosed() {
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// obj.Debug("Socket Closed");
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obj.Stop();
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}
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obj.dialogPrompt = function(x) { _Send('H' + JSON.stringify(x)); }
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function _Send(x) {
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// obj.Debug("Send(" + x.length + "): " + rstr2hex(x));
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if (obj.socket != null && obj.socket.readyState == WebSocket.OPEN) {
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var b = new Uint8Array(x.length);
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for (var i = 0; i < x.length; ++i) { b[i] = x.charCodeAt(i); }
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obj.socket.send(b.buffer);
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}
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}
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return obj;
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}
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