convert to TypeScript and fix bugs

.vscode/launch.json

@@ -4,9 +4,12 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+
         {
             "type": "pwa-node",
             "request": "launch",
+            //require compile typescript task
+            "preLaunchTask": "Compile TypeScript",
             "name": "Launch Program",
             "skipFiles": [
                 "<node_internals>/**"

.vscode/tasks.json

@@ -0,0 +1,15 @@
+//add typescript compile task
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Compile TypeScript",
+            "type": "shell",
+            "command": "npx tsc",
+            "group": "build",
+            "presentation": {
+                "reveal": "always"
+            }
+        }
+    ]
+}

index.js

@@ -1,91 +1,72 @@
-//start ws server with socket.io
+"use strict";
+exports.__esModule = true;
+var SerAny = require('serialize-anything');
 var http = require('http');
 var express = require('express');
 var app = express();
 var server = http.createServer(app);
 var port = process.env.PORT || 8480;
-const { Server } = require("socket.io");
+var fs = require('fs');
-const { abort } = require('process');
+var Server = require("socket.io").Server;
-const io = new Server(server);
+var abort = require('process').abort;
-app.get('/', (req, res) => {
+var io = new Server(server);
+app.get('/', function (req, res) {
     res.sendFile(__dirname + '/index.html');
-  });
+});
-//initialize buffer
+var buffer = {};
-var buffer = [];
+var filesystem = {};
-var filesystem = [];
+var curdir = {};
-var curdir = [];
+var sessions = {};
-var sessions = [];
+var curdirx = {};
-var curdirx = [];
-//on connection
 function sendbuffer(socket, bufferx) {
     var bufx = bufferx[socket.id];
-    //add placeholder character(reserved unicode) for blinking cursor in client;
     bufx += "\u2588";
     socket.emit('buffer', bufx);
 }
-io.on('connection', (socket) => {
+io.on('connection', function (socket) {
     console.log('a user connected');
     buffer[socket.id] = "";
     filesystem[socket.id] = {};
     curdir[socket.id] = filesystem[socket.id];
     curdirx[socket.id] = [];
-    //welcome message
     buffer[socket.id] = "Welcome to the console!\n";
     buffer[socket.id] += "Type 'help' to see the available commands.\n";
     buffer[socket.id] += "#";
-    //send buffer
     sendbuffer(socket, buffer);
-
+    socket.on('keypress', function (data) {
-    socket.on('keypress', (data) => {
         console.log('a key was pressed');
-        //get key
-        //convert data to string
         var key = String.fromCharCode(data);
-        //convert key to lowercase
         key = key.toLowerCase();
         console.log(data);
-        //check if key is printable character or digit or . or space etc
+        if (data == 8) {
-        
-        //check if key is enter
-        if (data == 8){
-            //backspace
-            //if line is not empty remove last character if it is not the first character
             var lines = buffer[socket.id].split("\n");
             if (lines[lines.length - 1] != "#") {
                 lines[lines.length - 1] = lines[lines.length - 1].slice(0, -1);
                 buffer[socket.id] = lines.join("\n");
             }
         }
-        else if(data == 13) {
+        else if (data == 13) {
-            //execute command
+            var lines_1 = buffer[socket.id].split('\n');
-            let lines = buffer[socket.id].split('\n');
+            var command = lines_1[lines_1.length - 1];
-            let command = lines[lines.length-1];
-            //remove # from command
             command = command.substring(1);
-            //remove \n and everything after
             command = command.substring(command.indexOf('\n'), command.length);
-            let args = command.split(' ');
+            var args = command.split(' ');
-            let commandName = args[0];
+            var commandName = args[0];
-            let commandArgs = args.slice(1);
+            var commandArgs = args.slice(1);
-            //remove trailing spaces
+            commandArgs = commandArgs.map(function (arg) {
-            commandArgs = commandArgs.map(function(arg) {
                 return arg.trim();
             });
-            //add \n to buffer
             buffer[socket.id] += "\n";
-            //remove # in beginning of commandname
             console.log("Executing command: \"" + commandName + "\" with arguments: \"" + commandArgs + "\"");
             resolveCommand(commandName, socket, commandArgs);
         }
-        else{
+        else {
-            //add key to buffer
             buffer[socket.id] += key;
         }
-        //send buffer to client
         sendbuffer(socket, buffer);
     });
 });
-io.on('disconnect', (socket) => {
+io.on('disconnect', function (socket) {
     console.log('user disconnected');
     buffer[socket.id] = "";
 });
@@ -106,11 +87,8 @@ function resolveCommand(commandname, socket, args) {
             buffer[socket.id] += "mv - moves a file\n";
             buffer[socket.id] += "cp - copies a file\n";
             buffer[socket.id] += "rmdir - removes a directory\n";
-            //spam
             buffer[socket.id] += "spam - spams the console\n";
-            //command to write rest of args to file
             buffer[socket.id] += "write - writes the arguments to a file\n";
-            //command to take a screenshot which is saved in the current directory with filename from args
             buffer[socket.id] += "screenshot - takes a screenshot\n";
             break;
         case "savesess":
@@ -120,10 +98,8 @@ function resolveCommand(commandname, socket, args) {
                     sessions[args[1]]["buffer"] = buffer[socket.id].slice();
                     sessions[args[1]]["filesystem"] = JSON.parse(JSON.stringify(filesystem[socket.id]));
                     sessions[args[1]]["curdir"] = JSON.parse(JSON.stringify(curdir[socket.id]));
-                    var data = JSON.stringify(sessions);
+                    var data = SerAny.serialize(sessions);
-                    //write all sessions to a single file called sessions.json
                     fs.writeFileSync("./sessions.json", data);
-                    
                     buffer[socket.id] += "Session saved.\n";
                 }
                 else {
@@ -136,8 +112,8 @@ function resolveCommand(commandname, socket, args) {
             break;
         case "loadsess":
             if (args.length == 1) {
-                if(sessions[args[0]] != undefined) {
+                sessions = SerAny.deserialize(fs.readFileSync("./sessions.json"));
-                    sessions = JSON.parse(fs.readFileSync("./sessions.json"));
+                if (sessions[args[0]] != undefined) {
                     filesystem[socket.id] = sessions[args[0]]["filesystem"];
                     curdir[socket.id] = sessions[args[0]]["curdir"];
                     buffer[socket.id] = sessions[args[0]]["buffer"];
@@ -145,21 +121,17 @@ function resolveCommand(commandname, socket, args) {
                 }
             }
             else {
-                
             }
             break;
-
         case "wee":
             buffer[socket.id] += "woo\n";
             break;
         case "woo":
             buffer[socket.id] += "wee\n";
             break;
-        //implement more commands
         case "screenshot":
             curdir[socket.id][args[0]] = buffer[socket.id];
             buffer[socket.id] += "Screenshot saved to " + args[0] + "\n";
-            
             break;
         case "rm":
             if (curdir[socket.id][args[0]] != undefined) {
@@ -219,8 +191,7 @@ function resolveCommand(commandname, socket, args) {
             }
             break;
         case "spam":
-            //spam arguments times from first argument
+            for (var i = 0; i < parseInt(args[0]); i++) {
-            for (let i = 0; i < args[0]; i++) {
                 buffer[socket.id] += args.slice(1).join(" ") + "\n";
             }
             break;
@@ -229,18 +200,17 @@ function resolveCommand(commandname, socket, args) {
                 buffer[socket.id] += "touch: missing operand\n";
             }
             else {
-                filesystem[socket.id][args[0]] = "";
+                curdir[socket.id][args[0]] = "";
             }
-            
             break;
         case "write":
             if (args.length == 0) {
                 buffer[socket.id] += "write: missing operand\n";
             }
             else {
-                filesystem[socket.id][args[0]] = "";
+                curdir[socket.id][args[0]] = "";
-                for (let i = 1; i < args.length; i++) {
+                for (var i = 1; i < args.length; i++) {
-                    filesystem[socket.id][args[0]] += args[i] + " ";
+                    curdir[socket.id][args[0]] += args[i] + " ";
                 }
             }
             break;
@@ -249,19 +219,17 @@ function resolveCommand(commandname, socket, args) {
                 buffer[socket.id] += "cat: missing operand\n";
             }
             else {
-                let file = args[0];
+                var file = args[0];
                 if (curdir[socket.id][file] == undefined) {
                     buffer[socket.id] += "cat: " + file + ": No such file or directory\n";
                 }
-                //check if type string
+                else if (typeof curdir[socket.id][file] == "string") {
-                else if(typeof curdir[socket.id][file] == "string") {
                     buffer[socket.id] += curdir[socket.id][file] + "\n";
                 }
-                else{
+                else {
                     buffer[socket.id] += "cat: " + file + ": Is not a file\n";
                 }
             }
-            
             break;
         case "echo":
             buffer[socket.id] += args.join(' ');
@@ -269,20 +237,15 @@ function resolveCommand(commandname, socket, args) {
             break;
         case "clear":
             buffer[socket.id] = "";
-            
             break;
         case "exit":
             buffer[socket.id] = "";
             buffer[socket.id] += "Bye!\n";
-            
             socket.disconnect();
             break;
         case "ls":
             buffer[socket.id] += "Files in the current directory:\n";
-            //list only first level files
             for (var key in curdir[socket.id]) {
-                //buffer[socket.id] += key + "\n";
-                //also print if it is a directory or file
                 if (typeof curdir[socket.id][key] == "string") {
                     buffer[socket.id] += key + " (file)\n";
                 }
@@ -293,31 +256,24 @@ function resolveCommand(commandname, socket, args) {
                     buffer[socket.id] += key + " (unknown)\n";
                 }
             }
-            
             break;
         case "cd":
             if (args.length == 0) {
                 buffer[socket.id] += "Please specify a directory.\n";
-                
             }
             else {
-                if(args[0] == "..") {
+                if (args[0] == "..") {
-                    //go up one directory
-                    //recursively scan filesystem until we find curdir and then set curdir to its parent
-                    //check curdirx is not empty
                     if (curdirx[socket.id].length > 0) {
-                        //pop off last element
+                        var sync = "filesystem[socket.id]";
-                        sync = "filesystem[socket.id]";
+                        for (var i = 0; i < curdirx[socket.id].length; i++) {
-                        for(let i = 0; i < curdirx[socket.id].length; i++) {
                             sync += "['" + curdirx[socket.id][i] + "']";
                         }
-                        eval(sync + " = curdir[socket.id]");
+                        sync += " = curdir[socket.id];";
+                        console.log(sync);
+                        eval(sync);
                         curdirx[socket.id].pop();
-                        //curdir = filesystem[socket.id][(curdirx[socket.id][0])][(curdirx[socket.id][1])].......;
+                        var cmdexec = "curdir[socket.id] = filesystem[socket.id]";
-                        //i know i shouldnt use eval but I don't know any other way to do this
+                        for (var i = 0; i < curdirx[socket.id].length; i++) {
-                        cmdexec = "curdir = filesystem[socket.id]";
-                        //syncing = write curdir to a path in the filesystem
-                        for (let i = 0; i < curdirx[socket.id].length; i++) {
                             cmdexec += "[(curdirx[socket.id][" + i + "])]";
                         }
                         eval(cmdexec);
@@ -325,54 +281,45 @@ function resolveCommand(commandname, socket, args) {
                 }
                 else {
                     if (curdir[socket.id][args[0]] != undefined) {
-                        //check if type dict
                         if (typeof curdir[socket.id][args[0]] == "object") {
                             curdir[socket.id] = curdir[socket.id][args[0]];
                             buffer[socket.id] += "Changed directory to " + args[0] + "\n";
                             curdirx[socket.id].push(args[0]);
                         }
-                        else{
+                        else {
                             buffer[socket.id] += "cd: " + args[0] + ": Is not a directory\n";
                         }
-                        
                     }
                     else {
                         buffer[socket.id] += "Directory " + args[0] + " does not exist.\n";
-                        
                     }
                 }
             }
             break;
         case "pwd":
             var curdirasstring = curdirx[socket.id].join("/");
-
             buffer[socket.id] += "Current directory: " + curdirasstring + "\n";
-            
             break;
         case "mkdir":
             if (args.length == 0) {
                 buffer[socket.id] += "Please specify a directory.\n";
-                
             }
             else {
-                if (filesystem[socket.id][args[0]]) {
+                if (curdir[socket.id][args[0]]) {
                     buffer[socket.id] += "Directory " + args[0] + " already exists.\n";
-                    
                 }
                 else {
                     curdir[socket.id][args[0]] = {};
                     buffer[socket.id] += "Created directory " + args[0] + "\n";
-                    
                 }
             }
             break;
-        //invalid command
         default:
             buffer[socket.id] += "Invalid command.\n";
     }
     buffer[socket.id] += "#";
-
 }
-server.listen(port, function() {
+server.listen(port, function () {
     console.log('Server listening at port %d', port);
 });
+//# sourceMappingURL=index.js.map

index.ts

@@ -0,0 +1,390 @@
+//start ws server with socket.io
+const SerAny = require('serialize-anything');
+var http = require('http');
+var express = require('express');
+import { Request, Response } from 'express';
+var app = express();
+var server = http.createServer(app);
+var port = process.env.PORT || 8480;
+var fs = require('fs');
+const { Server } = require("socket.io");
+const { abort } = require('process');
+import { Socket } from 'socket.io';
+const io = new Server(server);
+app.get('/', (req:Request, res:Response) => {
+    res.sendFile(__dirname + '/index.html');
+  });
+//initialize buffer
+//var buffer = [];
+//add type for typescript
+var buffer: { [id: string]: string } = {};
+//var filesystem = [];
+var filesystem: any = {};
+//var curdir = [];
+var curdir: any = {};
+//var sessions = [];
+var sessions: any = {};
+//var curdirx = [];
+var curdirx: any = {};
+//on connection
+function sendbuffer(socket:Socket, bufferx: { [id: string]: string }) {
+    var bufx = bufferx[socket.id];
+    //add placeholder character(reserved unicode) for blinking cursor in client;
+    bufx += "\u2588";
+    socket.emit('buffer', bufx);
+}
+io.on('connection', (socket:Socket) => {
+    console.log('a user connected');
+    buffer[socket.id] = "";
+    filesystem[socket.id] = {};
+    curdir[socket.id] = filesystem[socket.id];
+    curdirx[socket.id] = [];
+    //welcome message
+    buffer[socket.id] = "Welcome to the console!\n";
+    buffer[socket.id] += "Type 'help' to see the available commands.\n";
+    buffer[socket.id] += "#";
+    //send buffer
+    sendbuffer(socket, buffer);
+
+    socket.on('keypress', (data) => {
+        console.log('a key was pressed');
+        //get key
+        //convert data to string
+        var key = String.fromCharCode(data);
+        //convert key to lowercase
+        key = key.toLowerCase();
+        console.log(data);
+        //check if key is printable character or digit or . or space etc
+        
+        //check if key is enter
+        if (data == 8){
+            //backspace
+            //if line is not empty remove last character if it is not the first character
+            var lines = buffer[socket.id].split("\n");
+            if (lines[lines.length - 1] != "#") {
+                lines[lines.length - 1] = lines[lines.length - 1].slice(0, -1);
+                buffer[socket.id] = lines.join("\n");
+            }
+        }
+        else if(data == 13) {
+            //execute command
+            let lines = buffer[socket.id].split('\n');
+            let command = lines[lines.length-1];
+            //remove # from command
+            command = command.substring(1);
+            //remove \n and everything after
+            command = command.substring(command.indexOf('\n'), command.length);
+            let args = command.split(' ');
+            let commandName = args[0];
+            let commandArgs = args.slice(1);
+            //remove trailing spaces
+            commandArgs = commandArgs.map(function(arg) {
+                return arg.trim();
+            });
+            //add \n to buffer
+            buffer[socket.id] += "\n";
+            //remove # in beginning of commandname
+            console.log("Executing command: \"" + commandName + "\" with arguments: \"" + commandArgs + "\"");
+            resolveCommand(commandName, socket, commandArgs);
+        }
+        else{
+            //add key to buffer
+            buffer[socket.id] += key;
+        }
+        //send buffer to client
+        sendbuffer(socket, buffer);
+    });
+});
+io.on('disconnect', (socket:Socket) => {
+    console.log('user disconnected');
+    buffer[socket.id] = "";
+});
+function resolveCommand(commandname:string, socket:Socket, args:string[]) {
+    switch (commandname) {
+        case "help":
+            buffer[socket.id] += "Available commands:\n";
+            buffer[socket.id] += "help - shows this help\n";
+            buffer[socket.id] += "clear - clears the console\n";
+            buffer[socket.id] += "exit - exits the console\n";
+            buffer[socket.id] += "ls - lists the files in the current directory\n";
+            buffer[socket.id] += "cd - changes the current directory\n";
+            buffer[socket.id] += "echo - prints the arguments\n";
+            buffer[socket.id] += "mkdir - creates a new directory\n";
+            buffer[socket.id] += "cat - prints the contents of a file\n";
+            buffer[socket.id] += "touch - creates a new file\n";
+            buffer[socket.id] += "rm - removes a file\n";
+            buffer[socket.id] += "mv - moves a file\n";
+            buffer[socket.id] += "cp - copies a file\n";
+            buffer[socket.id] += "rmdir - removes a directory\n";
+            //spam
+            buffer[socket.id] += "spam - spams the console\n";
+            //command to write rest of args to file
+            buffer[socket.id] += "write - writes the arguments to a file\n";
+            //command to take a screenshot which is saved in the current directory with filename from args
+            buffer[socket.id] += "screenshot - takes a screenshot\n";
+            break;
+        case "savesess":
+            if (args.length == 2) {
+                if (args[0] == "kryptic") {
+                    sessions[args[1]] = [];
+                    sessions[args[1]]["buffer"] = buffer[socket.id].slice();
+                    sessions[args[1]]["filesystem"] = JSON.parse(JSON.stringify(filesystem[socket.id]));
+                    sessions[args[1]]["curdir"] = JSON.parse(JSON.stringify(curdir[socket.id]));
+                    var data = SerAny.serialize(sessions);
+                    //write all sessions to a single file called sessions.json
+                    fs.writeFileSync("./sessions.json", data);
+                    
+                    buffer[socket.id] += "Session saved.\n";
+                }
+                else {
+                    buffer[socket.id] += "Invalid command.";
+                }
+            }
+            else {
+                buffer[socket.id] += "Invalid command.";
+            }
+            break;
+        case "loadsess":
+            if (args.length == 1) {
+                sessions = SerAny.deserialize(fs.readFileSync("./sessions.json"));
+                if(sessions[args[0]] != undefined) {
+                    filesystem[socket.id] = sessions[args[0]]["filesystem"];
+                    curdir[socket.id] = sessions[args[0]]["curdir"];
+                    buffer[socket.id] = sessions[args[0]]["buffer"];
+                    buffer[socket.id] += "Session loaded.\n";
+                }
+            }
+            else {
+                
+            }
+            break;
+
+        case "wee":
+            buffer[socket.id] += "woo\n";
+            break;
+        case "woo":
+            buffer[socket.id] += "wee\n";
+            break;
+        //implement more commands
+        case "screenshot":
+            curdir[socket.id][args[0]] = buffer[socket.id];
+            buffer[socket.id] += "Screenshot saved to " + args[0] + "\n";
+            
+            break;
+        case "rm":
+            if (curdir[socket.id][args[0]] != undefined) {
+                if (typeof curdir[socket.id][args[0]] == "string") {
+                    delete curdir[socket.id][args[0]];
+                    buffer[socket.id] += "File " + args[0] + " removed\n";
+                }
+                else {
+                    buffer[socket.id] += "Error: " + args[0] + " is not a file\n";
+                }
+            }
+            else {
+                buffer[socket.id] += "Error: " + args[0] + " does not exist\n";
+            }
+            break;
+        case "mv":
+            if (curdir[socket.id][args[0]] != undefined) {
+                if (typeof curdir[socket.id][args[0]] == "string") {
+                    curdir[socket.id][args[1]] = curdir[socket.id][args[0]];
+                    delete curdir[socket.id][args[0]];
+                    buffer[socket.id] += "File " + args[0] + " moved to " + args[1] + "\n";
+                }
+                else {
+                    buffer[socket.id] += "Error: " + args[0] + " is not a file\n";
+                }
+            }
+            else {
+                buffer[socket.id] += "Error: " + args[0] + " does not exist\n";
+            }
+            break;
+        case "cp":
+            if (curdir[socket.id][args[0]] != undefined) {
+                if (typeof curdir[socket.id][args[0]] == "string") {
+                    curdir[socket.id][args[1]] = curdir[socket.id][args[0]].slice(0);
+                    buffer[socket.id] += "File " + args[0] + " copied to " + args[1] + "\n";
+                }
+                else {
+                    buffer[socket.id] += "Error: " + args[0] + " is not a file\n";
+                }
+            }
+            else {
+                buffer[socket.id] += "Error: " + args[0] + " does not exist\n";
+            }
+            break;
+        case "rmdir":
+            if (curdir[socket.id][args[0]] != undefined) {
+                if (typeof curdir[socket.id][args[0]] == "object") {
+                    delete curdir[socket.id][args[0]];
+                    buffer[socket.id] += "Directory " + args[0] + " removed\n";
+                }
+                else {
+                    buffer[socket.id] += "Error: " + args[0] + " is not a directory\n";
+                }
+            }
+            else {
+                buffer[socket.id] += "Error: " + args[0] + " does not exist\n";
+            }
+            break;
+        case "spam":
+            //spam arguments times from first argument
+            for (let i = 0; i < parseInt(args[0]); i++) {
+                buffer[socket.id] += args.slice(1).join(" ") + "\n";
+            }
+            break;
+        case "touch":
+            if (args.length == 0) {
+                buffer[socket.id] += "touch: missing operand\n";
+            }
+            else {
+                curdir[socket.id][args[0]] = "";
+            }
+            
+            break;
+        case "write":
+            if (args.length == 0) {
+                buffer[socket.id] += "write: missing operand\n";
+            }
+            else {
+                curdir[socket.id][args[0]] = "";
+                for (let i = 1; i < args.length; i++) {
+                    curdir[socket.id][args[0]] += args[i] + " ";
+                }
+            } 
+            break;
+        case "cat":
+            if (args.length == 0) {
+                buffer[socket.id] += "cat: missing operand\n";
+            }
+            else {
+                let file = args[0];
+                if (curdir[socket.id][file] == undefined) {
+                    buffer[socket.id] += "cat: " + file + ": No such file or directory\n";
+                }
+                //check if type string
+                else if(typeof curdir[socket.id][file] == "string") {
+                    buffer[socket.id] += curdir[socket.id][file] + "\n";
+                }
+                else{
+                    buffer[socket.id] += "cat: " + file + ": Is not a file\n";
+                }
+            }
+            
+            break;
+        case "echo":
+            buffer[socket.id] += args.join(' ');
+            buffer[socket.id] += "\n";
+            break;
+        case "clear":
+            buffer[socket.id] = "";
+            
+            break;
+        case "exit":
+            buffer[socket.id] = "";
+            buffer[socket.id] += "Bye!\n";
+            
+            socket.disconnect();
+            break;
+        case "ls":
+            buffer[socket.id] += "Files in the current directory:\n";
+            //list only first level files
+            for (var key in curdir[socket.id]) {
+                //buffer[socket.id] += key + "\n";
+                //also print if it is a directory or file
+                if (typeof curdir[socket.id][key] == "string") {
+                    buffer[socket.id] += key + " (file)\n";
+                }
+                else if (typeof curdir[socket.id][key] == "object") {
+                    buffer[socket.id] += key + " (directory)\n";
+                }
+                else {
+                    buffer[socket.id] += key + " (unknown)\n";
+                }
+            }
+            
+            break;
+        case "cd":
+            if (args.length == 0) {
+                buffer[socket.id] += "Please specify a directory.\n";
+                
+            }
+            else {
+                if(args[0] == "..") {
+                    //go up one directory
+                    //recursively scan filesystem until we find curdir and then set curdir to its parent
+                    //check curdirx is not empty
+                    if (curdirx[socket.id].length > 0) {
+                        //pop off last element
+                        var sync = "filesystem[socket.id]";
+                        for(let i = 0; i < curdirx[socket.id].length; i++) {
+                            sync += "['" + curdirx[socket.id][i] + "']";
+                        }
+                        sync += " = curdir[socket.id];";
+                        console.log(sync);
+                        eval(sync);
+                        curdirx[socket.id].pop();
+                        //curdir = filesystem[socket.id][(curdirx[socket.id][0])][(curdirx[socket.id][1])].......;
+                        //i know i shouldnt use eval but I don't know any other way to do this
+                        var cmdexec = "curdir[socket.id] = filesystem[socket.id]";
+                        //syncing = write curdir to a path in the filesystem
+                        for (let i = 0; i < curdirx[socket.id].length; i++) {
+                            cmdexec += "[(curdirx[socket.id][" + i + "])]";
+                        }
+                        eval(cmdexec); 
+                    }                   
+                }
+                else {
+                    if (curdir[socket.id][args[0]] != undefined) {
+                        //check if type dict
+                        if (typeof curdir[socket.id][args[0]] == "object") {
+                            curdir[socket.id] = curdir[socket.id][args[0]];
+                            buffer[socket.id] += "Changed directory to " + args[0] + "\n";
+                            curdirx[socket.id].push(args[0]);
+                        }
+                        else{
+                            buffer[socket.id] += "cd: " + args[0] + ": Is not a directory\n";
+                        }
+                        
+                    }
+                    else {
+                        buffer[socket.id] += "Directory " + args[0] + " does not exist.\n";
+                        
+                    }
+                }
+            }
+            break;
+        case "pwd":
+            var curdirasstring = curdirx[socket.id].join("/");
+
+            buffer[socket.id] += "Current directory: " + curdirasstring + "\n";
+            
+            break;
+        case "mkdir":
+            if (args.length == 0) {
+                buffer[socket.id] += "Please specify a directory.\n";
+                
+            }
+            else {
+                if (curdir[socket.id][args[0]]) {
+                    buffer[socket.id] += "Directory " + args[0] + " already exists.\n";
+                    
+                }
+                else {
+                    curdir[socket.id][args[0]] = {};
+                    buffer[socket.id] += "Created directory " + args[0] + "\n";
+                    
+                }
+            }
+            break;
+        //invalid command
+        default:
+            buffer[socket.id] += "Invalid command.\n";
+    }
+    buffer[socket.id] += "#";
+
+}
+server.listen(port, function() {
+    console.log('Server listening at port %d', port);
+});

package-lock.json

@@ -10,7 +10,22 @@
       "license": "ISC",
       "dependencies": {
         "express": "^4.18.1",
+        "serialize-anything": "^1.1.10",
         "socket.io": "^4.5.1"
+      },
+      "devDependencies": {
+        "@types/express": "^4.17.13",
+        "typescript": "^4.7.3"
+      }
+    },
+    "node_modules/@types/body-parser": {
+      "version": "1.19.2",
+      "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.2.tgz",
+      "integrity": "sha512-ALYone6pm6QmwZoAgeyNksccT9Q4AWZQ6PvfwR37GT6r6FWUPguq6sUmNGSMV2Wr761oQoBxwGGa6DR5o1DC9g==",
+      "dev": true,
+      "dependencies": {
+        "@types/connect": "*",
+        "@types/node": "*"
       }
     },
     "node_modules/@types/component-emitter": {
@@ -18,6 +33,15 @@
       "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.11.tgz",
       "integrity": "sha512-SRXjM+tfsSlA9VuG8hGO2nft2p8zjXCK1VcC6N4NXbBbYbSia9kzCChYQajIjzIqOOOuh5Ock6MmV2oux4jDZQ=="
     },
+    "node_modules/@types/connect": {
+      "version": "3.4.35",
+      "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.35.tgz",
+      "integrity": "sha512-cdeYyv4KWoEgpBISTxWvqYsVy444DOqehiF3fM3ne10AmJ62RSyNkUnxMJXHQWRQQX2eR94m5y1IZyDwBjV9FQ==",
+      "dev": true,
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/cookie": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz",
@@ -28,11 +52,62 @@
       "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.12.tgz",
       "integrity": "sha512-vt+kDhq/M2ayberEtJcIN/hxXy1Pk+59g2FV/ZQceeaTyCtCucjL2Q7FXlFjtWn4n15KCr1NE2lNNFhp0lEThw=="
     },
+    "node_modules/@types/express": {
+      "version": "4.17.13",
+      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.13.tgz",
+      "integrity": "sha512-6bSZTPaTIACxn48l50SR+axgrqm6qXFIxrdAKaG6PaJk3+zuUr35hBlgT7vOmJcum+OEaIBLtHV/qloEAFITeA==",
+      "dev": true,
+      "dependencies": {
+        "@types/body-parser": "*",
+        "@types/express-serve-static-core": "^4.17.18",
+        "@types/qs": "*",
+        "@types/serve-static": "*"
+      }
+    },
+    "node_modules/@types/express-serve-static-core": {
+      "version": "4.17.28",
+      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.17.28.tgz",
+      "integrity": "sha512-P1BJAEAW3E2DJUlkgq4tOL3RyMunoWXqbSCygWo5ZIWTjUgN1YnaXWW4VWl/oc8vs/XoYibEGBKP0uZyF4AHig==",
+      "dev": true,
+      "dependencies": {
+        "@types/node": "*",
+        "@types/qs": "*",
+        "@types/range-parser": "*"
+      }
+    },
+    "node_modules/@types/mime": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.2.tgz",
+      "integrity": "sha512-YATxVxgRqNH6nHEIsvg6k2Boc1JHI9ZbH5iWFFv/MTkchz3b1ieGDa5T0a9RznNdI0KhVbdbWSN+KWWrQZRxTw==",
+      "dev": true
+    },
     "node_modules/@types/node": {
       "version": "17.0.41",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.41.tgz",
       "integrity": "sha512-xA6drNNeqb5YyV5fO3OAEsnXLfO7uF0whiOfPTz5AeDo8KeZFmODKnvwPymMNO8qE/an8pVY/O50tig2SQCrGw=="
     },
+    "node_modules/@types/qs": {
+      "version": "6.9.7",
+      "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.9.7.tgz",
+      "integrity": "sha512-FGa1F62FT09qcrueBA6qYTrJPVDzah9a+493+o2PCXsesWHIn27G98TsSMs3WPNbZIEj4+VJf6saSFpvD+3Zsw==",
+      "dev": true
+    },
+    "node_modules/@types/range-parser": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.4.tgz",
+      "integrity": "sha512-EEhsLsD6UsDM1yFhAvy0Cjr6VwmpMWqFBCb9w07wVugF7w9nfajxLuVmngTIpgS6svCnm6Vaw+MZhoDCKnOfsw==",
+      "dev": true
+    },
+    "node_modules/@types/serve-static": {
+      "version": "1.13.10",
+      "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.13.10.tgz",
+      "integrity": "sha512-nCkHGI4w7ZgAdNkrEu0bv+4xNV/XDqW+DydknebMOQwkpDGx8G+HTlj7R7ABI8i8nKxVw0wtKPi1D+lPOkh4YQ==",
+      "dev": true,
+      "dependencies": {
+        "@types/mime": "^1",
+        "@types/node": "*"
+      }
+    },
     "node_modules/accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -179,6 +254,11 @@
         }
       }
     },
+    "node_modules/deep-copy-all": {
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/deep-copy-all/-/deep-copy-all-1.3.4.tgz",
+      "integrity": "sha512-5hHGjeggREJDKWBvxVv5RPKtcgKpraHAPu4DcvUcP8usgmK93UzL9oOPsV3h6VCrD2+wmgq0kHha2rnXZHAV3A=="
+    },
     "node_modules/depd": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
@@ -654,6 +734,14 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
       "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
     },
+    "node_modules/serialize-anything": {
+      "version": "1.1.10",
+      "resolved": "https://registry.npmjs.org/serialize-anything/-/serialize-anything-1.1.10.tgz",
+      "integrity": "sha512-SdPtJZ44uCS9QK0u0z6UbE8hC9OWU4pbYb+gcJYo7vez7yTTZA6GRMSm0AiyYzY+5ZRuB2w1HHJzZAFt4uyl3Q==",
+      "dependencies": {
+        "deep-copy-all": "^1.3.3"
+      }
+    },
     "node_modules/serve-static": {
       "version": "1.15.0",
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.15.0.tgz",
@@ -748,6 +836,19 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/typescript": {
+      "version": "4.7.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.7.3.tgz",
+      "integrity": "sha512-WOkT3XYvrpXx4vMMqlD+8R8R37fZkjyLGlxavMc4iB8lrl8L0DeTcHbYgw/v0N/z9wAFsgBhcsF0ruoySS22mA==",
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=4.2.0"
+      }
+    },
     "node_modules/unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -794,11 +895,30 @@
     }
   },
   "dependencies": {
+    "@types/body-parser": {
+      "version": "1.19.2",
+      "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.2.tgz",
+      "integrity": "sha512-ALYone6pm6QmwZoAgeyNksccT9Q4AWZQ6PvfwR37GT6r6FWUPguq6sUmNGSMV2Wr761oQoBxwGGa6DR5o1DC9g==",
+      "dev": true,
+      "requires": {
+        "@types/connect": "*",
+        "@types/node": "*"
+      }
+    },
     "@types/component-emitter": {
       "version": "1.2.11",
       "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.11.tgz",
       "integrity": "sha512-SRXjM+tfsSlA9VuG8hGO2nft2p8zjXCK1VcC6N4NXbBbYbSia9kzCChYQajIjzIqOOOuh5Ock6MmV2oux4jDZQ=="
     },
+    "@types/connect": {
+      "version": "3.4.35",
+      "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.35.tgz",
+      "integrity": "sha512-cdeYyv4KWoEgpBISTxWvqYsVy444DOqehiF3fM3ne10AmJ62RSyNkUnxMJXHQWRQQX2eR94m5y1IZyDwBjV9FQ==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/cookie": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz",
@@ -809,11 +929,62 @@
       "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.12.tgz",
       "integrity": "sha512-vt+kDhq/M2ayberEtJcIN/hxXy1Pk+59g2FV/ZQceeaTyCtCucjL2Q7FXlFjtWn4n15KCr1NE2lNNFhp0lEThw=="
     },
+    "@types/express": {
+      "version": "4.17.13",
+      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.13.tgz",
+      "integrity": "sha512-6bSZTPaTIACxn48l50SR+axgrqm6qXFIxrdAKaG6PaJk3+zuUr35hBlgT7vOmJcum+OEaIBLtHV/qloEAFITeA==",
+      "dev": true,
+      "requires": {
+        "@types/body-parser": "*",
+        "@types/express-serve-static-core": "^4.17.18",
+        "@types/qs": "*",
+        "@types/serve-static": "*"
+      }
+    },
+    "@types/express-serve-static-core": {
+      "version": "4.17.28",
+      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.17.28.tgz",
+      "integrity": "sha512-P1BJAEAW3E2DJUlkgq4tOL3RyMunoWXqbSCygWo5ZIWTjUgN1YnaXWW4VWl/oc8vs/XoYibEGBKP0uZyF4AHig==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*",
+        "@types/qs": "*",
+        "@types/range-parser": "*"
+      }
+    },
+    "@types/mime": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.2.tgz",
+      "integrity": "sha512-YATxVxgRqNH6nHEIsvg6k2Boc1JHI9ZbH5iWFFv/MTkchz3b1ieGDa5T0a9RznNdI0KhVbdbWSN+KWWrQZRxTw==",
+      "dev": true
+    },
     "@types/node": {
       "version": "17.0.41",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.41.tgz",
       "integrity": "sha512-xA6drNNeqb5YyV5fO3OAEsnXLfO7uF0whiOfPTz5AeDo8KeZFmODKnvwPymMNO8qE/an8pVY/O50tig2SQCrGw=="
     },
+    "@types/qs": {
+      "version": "6.9.7",
+      "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.9.7.tgz",
+      "integrity": "sha512-FGa1F62FT09qcrueBA6qYTrJPVDzah9a+493+o2PCXsesWHIn27G98TsSMs3WPNbZIEj4+VJf6saSFpvD+3Zsw==",
+      "dev": true
+    },
+    "@types/range-parser": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.4.tgz",
+      "integrity": "sha512-EEhsLsD6UsDM1yFhAvy0Cjr6VwmpMWqFBCb9w07wVugF7w9nfajxLuVmngTIpgS6svCnm6Vaw+MZhoDCKnOfsw==",
+      "dev": true
+    },
+    "@types/serve-static": {
+      "version": "1.13.10",
+      "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.13.10.tgz",
+      "integrity": "sha512-nCkHGI4w7ZgAdNkrEu0bv+4xNV/XDqW+DydknebMOQwkpDGx8G+HTlj7R7ABI8i8nKxVw0wtKPi1D+lPOkh4YQ==",
+      "dev": true,
+      "requires": {
+        "@types/mime": "^1",
+        "@types/node": "*"
+      }
+    },
     "accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -926,6 +1097,11 @@
         "ms": "2.1.2"
       }
     },
+    "deep-copy-all": {
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/deep-copy-all/-/deep-copy-all-1.3.4.tgz",
+      "integrity": "sha512-5hHGjeggREJDKWBvxVv5RPKtcgKpraHAPu4DcvUcP8usgmK93UzL9oOPsV3h6VCrD2+wmgq0kHha2rnXZHAV3A=="
+    },
     "depd": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
@@ -1289,6 +1465,14 @@
         }
       }
     },
+    "serialize-anything": {
+      "version": "1.1.10",
+      "resolved": "https://registry.npmjs.org/serialize-anything/-/serialize-anything-1.1.10.tgz",
+      "integrity": "sha512-SdPtJZ44uCS9QK0u0z6UbE8hC9OWU4pbYb+gcJYo7vez7yTTZA6GRMSm0AiyYzY+5ZRuB2w1HHJzZAFt4uyl3Q==",
+      "requires": {
+        "deep-copy-all": "^1.3.3"
+      }
+    },
     "serve-static": {
       "version": "1.15.0",
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.15.0.tgz",
@@ -1362,6 +1546,12 @@
         "mime-types": "~2.1.24"
       }
     },
+    "typescript": {
+      "version": "4.7.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.7.3.tgz",
+      "integrity": "sha512-WOkT3XYvrpXx4vMMqlD+8R8R37fZkjyLGlxavMc4iB8lrl8L0DeTcHbYgw/v0N/z9wAFsgBhcsF0ruoySS22mA==",
+      "dev": true
+    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",

package.json

@@ -11,6 +11,11 @@
   "license": "ISC",
   "dependencies": {
     "express": "^4.18.1",
+    "serialize-anything": "^1.1.10",
     "socket.io": "^4.5.1"
+  },
+  "devDependencies": {
+    "@types/express": "^4.17.13",
+    "typescript": "^4.7.3"
   }
 }

sessions.json

@@ -0,0 +1 @@
+[]

tsconfig.json

@@ -0,0 +1,12 @@
+{
+    "compilerOptions": {
+      "module": "commonjs",
+      "noImplicitAny": true,
+      "removeComments": true,
+      "preserveConstEnums": true,
+      "sourceMap": true
+    },
+    "files": [
+      "index.ts"
+    ]
+  }