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added session so multiple people can use it at once

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valentijn
2024-01-25 14:29:09 +01:00
parent f6e8eda33c
commit fe674c9e06
4 changed files with 183 additions and 138 deletions
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159
commands/commands.js
View File

@@ -1,126 +1,104 @@
let currentState = { const fileSystem = require("../filesystem.json");
"username": "guest",
"directory": "/" function getCurrentDir(sessionState) {
return sessionState.directory;
} }
const fileSystem = require("../filesystem.json") function customTextResponse(req, res, txt) {
respondToCommand(req, res, txt, req.session.state.directory, "");
function getCurrentDir(){
return currentState.directory;
} }
function customTextResponse(res, txt){ function ls(req, res) {
respondToCommand(res, txt, currentState.directory, "");
}
function ls(res) {
const command = "ls"; const command = "ls";
const contents = fileSystem[currentState.directory]; const contents = fileSystem[req.session.state.directory];
if (contents && typeof contents === 'object') { if (contents && typeof contents === 'object') {
let keys = Object.keys(contents) let keys = Object.keys(contents);
respondToCommand(res, keys.join(" "), currentState.directory, command); respondToCommand(req, res, keys.join(" "), req.session.state.directory, command);
} else { } else {
respondToCommand(res, "No Files Found In Current Directory", currentState.directory, command); respondToCommand(req, res, "No Files Found In Current Directory", req.session.state.directory, command);
} }
} }
function whoami(res){ function whoami(req, res) {
const command = "whoami" const command = "whoami";
respondToCommand(res, currentState.username, currentState.directory, command); respondToCommand(req, res, req.session.state.username, req.session.state.directory, command);
} }
function cd (res, raw_command) { function cd(req, res, raw_command) {
const command = "cd"; const command = "cd";
let arguement = raw_command.split(" ")[1] let argument = raw_command.split(" ")[1];
const contents = fileSystem[req.session.state.directory];
//check if folder to cd to is in current dir if (contents && typeof contents === "object") {
const contents = fileSystem[currentState.directory];
if (contents && typeof contents==="object"){
let keys = Object.keys(contents); let keys = Object.keys(contents);
for (let i = 0; i < keys.length; i++){ for (let i = 0; i < keys.length; i++) {
let key = keys[i] let key = keys[i];
if (key == arguement && fileSystem[currentState.directory][key] == "dir"){ if (key === argument && fileSystem[req.session.state.directory][key] === "dir") {
currentState.directory = currentState.directory + arguement; req.session.state.directory += argument;
if (!req.session.state.directory.endsWith("/")) req.session.state.directory += "/";
if (!currentState.directory.endsWith("/")) currentState.directory += "/"; respondToCommand(req, res, "", req.session.state.directory, command);
respondToCommand(res, "", currentState.directory, command);
return; return;
} } else if (key === argument) {
else if (key == arguement){ respondToCommand(req, res, "You cannot open a file as a directory", req.session.state.directory, command);
respondToCommand(res, "You cannot open a file as a directory", currentState.directory, command);
return; return;
} }
} }
// check a few things: if (argument === "/" || argument === "~" || argument === "~/") {
if (arguement == "/" || arguement == "~" || arguement == "~/"){ req.session.state.directory = "/";
currentState.directory = "/"; respondToCommand(req, res, "", req.session.state.directory, command);
respondToCommand(res, "", currentState.directory, command);
return; return;
} }
if (arguement == ".." || arguement == "../"){ if (argument === ".." || argument === "../") {
//move 1 folder back const lastSlashIndex = req.session.state.directory.lastIndexOf('/');
const lastSlashIndex = currentState.directory.lastIndexOf('/'); const pathWithoutTrailingSlash = lastSlashIndex === req.session.state.directory.length - 1 ? req.session.state.directory.substring(0, req.session.state.directory.length - 1) : req.session.state.directory;
const pathWithoutTrailingSlash = lastSlashIndex === currentState.directory.length - 1 ? currentState.directory.substring(0, currentState.directory.length - 1) : currentState.directory;
const secondLastSlashIndex = pathWithoutTrailingSlash.lastIndexOf('/'); const secondLastSlashIndex = pathWithoutTrailingSlash.lastIndexOf('/');
currentState.directory = pathWithoutTrailingSlash.substring(0, secondLastSlashIndex + 1); req.session.state.directory = pathWithoutTrailingSlash.substring(0, secondLastSlashIndex + 1);
respondToCommand(res, "", currentState.directory, command); respondToCommand(req, res, "", req.session.state.directory, command);
return; return;
} }
respondToCommand(res, "Unable to open directory", currentState.directory, command); respondToCommand(req, res, "Unable to open directory", req.session.state.directory, command);
} } else {
else respondToCommand(req, res, "Internal Server Error, try again later.", req.session.state.directory, command);
{
respondToCommand(res, "Internal Server Error, try again later.", currentState.directory, command)
} }
} }
function pwd (res){ function pwd(req, res) {
const command = "pwd"; const command = "pwd";
respondToCommand(res, currentState.directory, currentState.directory, command); respondToCommand(req, res, req.session.state.directory, req.session.state.directory, command);
} }
function cat (res, raw_command){ function cat(req, res, raw_command) {
const command = "cat"; const command = "cat";
let arguement = raw_command.split(" ")[1] let argument = raw_command.split(" ")[1];
const contents = fileSystem[req.session.state.directory];
//check if folder to cd to is in current dir if (contents && typeof contents === "object") {
const contents = fileSystem[currentState.directory];
if (contents && typeof contents==="object"){
let keys = Object.keys(contents); let keys = Object.keys(contents);
for (let i = 0; i < keys.length; i++){ for (let i = 0; i < keys.length; i++) {
let key = keys[i] let key = keys[i];
if (key == arguement && fileSystem[currentState.directory][key] != "dir"){ if (key === argument && fileSystem[req.session.state.directory][key] !== "dir") {
respondToCommand(res, fileSystem[currentState.directory][key], currentState.directory, command); respondToCommand(req, res, fileSystem[req.session.state.directory][key], req.session.state.directory, command);
return; return;
} } else if (key === argument) {
else if (key == arguement){ respondToCommand(req, res, "You cannot open a directory as a file", req.session.state.directory, command);
respondToCommand(res, "You cannot open a directory as a file", currentState.directory, command);
return; return;
} }
} }
respondToCommand(res, "Unable to open file", currentState.directory, command) respondToCommand(req, res, "Unable to open file", req.session.state.directory, command);
} else {
respondToCommand(req, res, "Internal Server Error, try again later.", req.session.state.directory, command);
} }
else
{
respondToCommand(res, "Internal Server Error, try again later.", currentState.directory, command)
}
} }
function help(req, res) {
const command = "help";
function help(res){
const command = "help"
const text = ` const text = `
Welcome to the fancy help menu!!<br> Welcome to the fancy help menu!!<br>
Here is a list of the available commands:<br><br> Here is a list of the available commands:<br><br>
@@ -130,30 +108,27 @@ function help(res){
"cd" - move into a folder you specify, you can use the name of the folder, or you can also use things like ../ to move back one folder<br> "cd" - move into a folder you specify, you can use the name of the folder, or you can also use things like ../ to move back one folder<br>
"whoami" - shows you as what user you are logged in as<br> "whoami" - shows you as what user you are logged in as<br>
"pwd" - shows you the current directory you are currently working in<br> "pwd" - shows you the current directory you are currently working in<br>
"cat" - shows you the content of files, fox example cat file.txt shows you the content of file.txt if it is in the current directory<br> "cat" - shows you the content of files, for example, cat file.txt shows you the content of file.txt if it is in the current directory<br>
` `;
respondToCommand(res, text, currentState.directory, command); respondToCommand(req, res, text, req.session.state.directory, command);
}
function respondToCommand(req, res, text, directory, command) {
res.json({
"username": req.session.state.username,
"directory": directory,
"response": text,
"command": command
});
} }
module.exports = { module.exports = {
getCurrentDir, getCurrentDir,
customTextResponse, customTextResponse,
ls, ls,
whoami, whoami,
cd, cd,
pwd, pwd,
cat, cat,
help, help,
} };
function respondToCommand(res, text, directory, command){
res.json({
"username": "guest",
"directory": directory,
"response": text,
"command": command
})
}

56
package-lock.json generated
View File

@@ -5,7 +5,8 @@
"packages": { "packages": {
"": { "": {
"dependencies": { "dependencies": {
"express": "^4.18.2" "express": "^4.18.2",
"express-session": "^1.17.3"
} }
}, },
"node_modules/accepts": { "node_modules/accepts": {
@@ -206,6 +207,32 @@
"node": ">= 0.10.0" "node": ">= 0.10.0"
} }
}, },
"node_modules/express-session": {
"version": "1.17.3",
"resolved": "https://registry.npmjs.org/express-session/-/express-session-1.17.3.tgz",
"integrity": "sha512-4+otWXlShYlG1Ma+2Jnn+xgKUZTMJ5QD3YvfilX3AcocOAbIkVylSWEklzALe/+Pu4qV6TYBj5GwOBFfdKqLBw==",
"dependencies": {
"cookie": "0.4.2",
"cookie-signature": "1.0.6",
"debug": "2.6.9",
"depd": "~2.0.0",
"on-headers": "~1.0.2",
"parseurl": "~1.3.3",
"safe-buffer": "5.2.1",
"uid-safe": "~2.1.5"
},
"engines": {
"node": ">= 0.8.0"
}
},
"node_modules/express-session/node_modules/cookie": {
"version": "0.4.2",
"resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
"integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/finalhandler": { "node_modules/finalhandler": {
"version": "1.2.0", "version": "1.2.0",
"resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz", "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
@@ -438,6 +465,14 @@
"node": ">= 0.8" "node": ">= 0.8"
} }
}, },
"node_modules/on-headers": {
"version": "1.0.2",
"resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.2.tgz",
"integrity": "sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==",
"engines": {
"node": ">= 0.8"
}
},
"node_modules/parseurl": { "node_modules/parseurl": {
"version": "1.3.3", "version": "1.3.3",
"resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz", "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -477,6 +512,14 @@
"url": "https://github.com/sponsors/ljharb" "url": "https://github.com/sponsors/ljharb"
} }
}, },
"node_modules/random-bytes": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/random-bytes/-/random-bytes-1.0.0.tgz",
"integrity": "sha512-iv7LhNVO047HzYR3InF6pUcUsPQiHTM1Qal51DcGSuZFBil1aBBWG5eHPNek7bvILMaYJ/8RU1e8w1AMdHmLQQ==",
"engines": {
"node": ">= 0.8"
}
},
"node_modules/range-parser": { "node_modules/range-parser": {
"version": "1.2.1", "version": "1.2.1",
"resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz", "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -626,6 +669,17 @@
"node": ">= 0.6" "node": ">= 0.6"
} }
}, },
"node_modules/uid-safe": {
"version": "2.1.5",
"resolved": "https://registry.npmjs.org/uid-safe/-/uid-safe-2.1.5.tgz",
"integrity": "sha512-KPHm4VL5dDXKz01UuEd88Df+KzynaohSL9fBh096KWAxSKZQDI2uBrVqtvRM4rwrIrRRKsdLNML/lnaaVSRioA==",
"dependencies": {
"random-bytes": "~1.0.0"
},
"engines": {
"node": ">= 0.8"
}
},
"node_modules/unpipe": { "node_modules/unpipe": {
"version": "1.0.0", "version": "1.0.0",
"resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",

3
package.json
View File

@@ -1,5 +1,6 @@
{ {
"dependencies": { "dependencies": {
"express": "^4.18.2" "express": "^4.18.2",
"express-session": "^1.17.3"
} }
} }

103
server.js
View File

@@ -1,56 +1,71 @@
const express = require('express') const express = require('express');
const app = express() const session = require('express-session');
const port = 3000 const app = express();
const port = 3000;
const commands = require("./commands/commands") const commands = require("./commands/commands");
app.use(express.static("httpdocs/public")) app.use(express.static("httpdocs/public"));
const documentRoot = `${__dirname}/httpdocs` const documentRoot = `${__dirname}/httpdocs`;
// Session configuration
app.use(session({
secret: 'your-secret', // Change this to a secret phrase
resave: false,
saveUninitialized: true,
cookie: { secure: false } // Set to true if using https
}));
app.get('/', (req, res) => { app.get('/', (req, res) => {
res.sendFile(documentRoot+"/index.html") if (!req.session.state) {
}) req.session.state = {
"username": "guest",
"directory": "/"
};
}
res.sendFile(documentRoot + "/index.html");
});
app.get("/execute", (req, res)=> { app.get("/execute", (req, res) => {
const raw_command = req.query.command; const raw_command = req.query.command;
if (raw_command == ""){ if (raw_command == ""){
commands.customTextResponse(res, ""); commands.customTextResponse(req, res, "");
return; return;
}a }
const formatted_command = raw_command.trim(); const formatted_command = raw_command.trim();
const command = formatted_command.split(" ")[0] const command = formatted_command.split(" ")[0];
switch(command){ switch(command){
default: case "ls":
commands.customTextResponse(res, "Command '"+command+"' not found, please try again later, or type 'help' for the list of available commands"); commands.ls(req, res);
break; break;
case "ls": case "whoami":
commands.ls(res); commands.whoami(req, res);
break; break;
case "whoami": case "cd":
commands.whoami(res); commands.cd(req, res, formatted_command);
break; break;
case "cd": case "pwd":
commands.cd(res, formatted_command); commands.pwd(req, res);
break; break;
case "pwd": case "cat":
commands.pwd(res); commands.cat(req, res, formatted_command);
break; break;
case "cat": case "help":
commands.cat(res, formatted_command ) commands.help(req, res);
break; break;
case "help": default:
commands.help(res); commands.customTextResponse(req, res, "Command '" + command + "' not found, please try again later, or type 'help' for the list of available commands");
} break;
}) }
});
app.get("/currentDir", (req, res)=>{ app.get("/currentDir", (req, res) => {
res.send(commands.getCurrentDir()); res.send(commands.getCurrentDir(req.session.state));
}) });
app.listen(port, () => { app.listen(port, () => {
console.log(`Epic Terminal App listening on port ${port}`) console.log(`Epic Terminal App listening on port ${port}`);
}) });