You can now take turns and control the VM.

This commit is contained in:
elijahr2411
2023-02-02 21:19:55 -05:00
parent 3235375581
commit 42ecfa2375
9 changed files with 306 additions and 55 deletions

View File

@@ -1,14 +1,19 @@
import {WebSocketServer, WebSocket} from 'ws';
import * as http from 'http';
import IConfig from './IConfig';
import IConfig from './IConfig.js';
import internal from 'stream';
import * as Utilities from './Utilities';
import { User, Rank } from './User';
import * as guacutils from './guacutils';
import * as Utilities from './Utilities.js';
import { User, Rank } from './User.js';
import * as guacutils from './guacutils.js';
import * as fs from 'fs';
import { CircularBuffer, Queue } from 'mnemonist';
// I hate that you have to do it like this
import CircularBuffer from 'mnemonist/circular-buffer.js';
import Queue from 'mnemonist/queue.js';
import { createHash } from 'crypto';
import { isIP } from 'net';
import QEMUVM from './QEMUVM.js';
import Framebuffer from './Framebuffer.js';
import sharp, { Sharp } from 'sharp';
export default class WSServer {
private Config : IConfig;
@@ -21,7 +26,9 @@ export default class WSServer {
private TurnInterval? : NodeJS.Timer;
private TurnIntervalRunning : boolean;
private ModPerms : number;
constructor(config : IConfig) {
private VM : QEMUVM;
private framebuffer : Framebuffer;
constructor(config : IConfig, vm : QEMUVM) {
this.ChatHistory = new CircularBuffer<{user:string,msg:string}>(Array, 5);
this.TurnQueue = new Queue<User>();
this.TurnTime = 0;
@@ -33,6 +40,12 @@ export default class WSServer {
this.socket = new WebSocketServer({noServer: true});
this.server.on('upgrade', (req : http.IncomingMessage, socket : internal.Duplex, head : Buffer) => this.httpOnUpgrade(req, socket, head));
this.socket.on('connection', (ws : WebSocket, req : http.IncomingMessage) => this.onConnection(ws, req));
var initSize = vm.getSize();
this.framebuffer = new Framebuffer();
this.newsize(initSize);
this.VM = vm;
this.VM.on("dirtyrect", (j, x, y, w, h) => this.newrect(j, x, y, w, h));
this.VM.on("size", (s) => this.newsize(s));
}
listen() {
@@ -123,13 +136,12 @@ export default class WSServer {
//@ts-ignore
this.clients.forEach((c) => c.sendMsg(guacutils.encode("remuser", "1", user.username)));
}
fuck = fs.readFileSync("/home/elijah/Pictures/thumb.txt").toString();
private onMessage(client : User, message : string) {
private async onMessage(client : User, message : string) {
var msgArr = guacutils.decode(message);
if (msgArr.length < 1) return;
switch (msgArr[0]) {
case "list":
client.sendMsg(guacutils.encode("list", this.Config.collabvm.node, this.Config.collabvm.displayname, this.fuck))
client.sendMsg(guacutils.encode("list", this.Config.collabvm.node, this.Config.collabvm.displayname, await this.getThumbnail()));
break;
case "connect":
if (!client.username || msgArr.length !== 2 || msgArr[1] !== this.Config.collabvm.node) {
@@ -140,8 +152,10 @@ export default class WSServer {
client.sendMsg(guacutils.encode("connect", "1", "1", "1", "0"));
if (this.Config.collabvm.motd) client.sendMsg(guacutils.encode("chat", "", this.Config.collabvm.motd));
if (this.ChatHistory.size !== 0) client.sendMsg(this.getChatHistoryMsg());
client.sendMsg(guacutils.encode("size", "0", "400", "300"));
client.sendMsg(guacutils.encode("png", "0", "0", "0", "0", this.fuck));
client.sendMsg(guacutils.encode("size", "0", this.framebuffer.size.width.toString(), this.framebuffer.size.height.toString()));
var jpg = await sharp(await this.framebuffer.getFb(), {raw: {height: this.framebuffer.size.height, width: this.framebuffer.size.width, channels: 4}}).jpeg().toBuffer();
var jpg64 = jpg.toString("base64");
client.sendMsg(guacutils.encode("png", "0", "0", "0", "0", jpg64));
break;
case "rename":
if (!client.RenameRateLimit.request()) return;
@@ -231,6 +245,23 @@ export default class WSServer {
}
this.sendTurnUpdate();
break;
case "mouse":
if (this.TurnQueue.peek() !== client && client.rank !== Rank.Admin) return;
if (!this.VM.vnc) throw new Error("VNC Client was undefined");
var x = parseInt(msgArr[1]);
var y = parseInt(msgArr[2]);
var mask = parseInt(msgArr[3]);
if (x === undefined || y === undefined || mask === undefined) return;
this.VM.vnc.pointerEvent(x, y, mask);
break;
case "key":
if (this.TurnQueue.peek() !== client && client.rank !== Rank.Admin) return;
if (!this.VM.vnc) throw new Error("VNC Client was undefined");
var keysym = parseInt(msgArr[1]);
var down = parseInt(msgArr[2]);
if (keysym === undefined || (down !== 0 && down !== 1)) return;
this.VM.vnc.keyEvent(keysym, down);
break;
case "admin":
if (msgArr.length < 2) return;
switch (msgArr[1]) {
@@ -312,4 +343,25 @@ export default class WSServer {
this.nextTurn();
}
}
private async newrect(buff : Buffer, x : number, y : number, width : number, height : number) {
var jpg = await sharp(buff, {raw: {height: height, width: width, channels: 4}}).jpeg().toBuffer();
var jpg64 = jpg.toString("base64");
this.clients.filter(c => c.connectedToNode).forEach(c => c.sendMsg(guacutils.encode("png", "0", "0", x.toString(), y.toString(), jpg64)));
this.framebuffer.loadDirtyRect(buff, x, y, width, height);
}
private newsize(size : {height:number,width:number}) {
this.framebuffer.setSize(size.width, size.height);
this.clients.filter(c => c.connectedToNode).forEach(c => c.sendMsg(guacutils.encode("size", "0", size.width.toString(), size.height.toString())));
}
getThumbnail() : Promise<string> {
return new Promise(async (res, rej) => {
var jpg = await sharp(await this.framebuffer.getFb(), {raw: {height: this.framebuffer.size.height, width: this.framebuffer.size.width, channels: 4}})
.resize(400, 300, {fit: 'fill'})
.jpeg().toBuffer();
res(jpg.toString("base64"));
})
}
}