This commit is contained in:
Arsen Mirzaev Tatyano-Muradovich 2024-02-05 23:40:10 +07:00
parent 4372e66d57
commit 75c68e0134
8 changed files with 4115 additions and 0 deletions

1
system/.gitignore vendored Normal file
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node_modules

301
system/package-lock.json generated Normal file
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{
"dependencies": {
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"sodium-native": "^4.0.6",
"sodium-plus": "^0.9.0",
"webrtc-adapter": "^8.2.3",
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}
}

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system/public/connect.js Normal file
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"use strict";
const { SodiumPlus, X25519SecretKey } = require("sodium-plus");
const fs = require("node:fs");
(async function () {
const sodium = await SodiumPlus.auto();
fs.readFile("../settings/secret.txt", "utf8", async (err, data) => {
let key;
if (err || data.length === 0) {
const keys = await sodium.crypto_box_keypair();
const secret = await sodium.crypto_box_secretkey(keys);
key = await sodium.sodium_bin2hex(
(await sodium.crypto_box_publickey(keys)).getBuffer(),
);
fs.writeFile(
"../settings/secret.txt",
await sodium.sodium_bin2hex(secret.getBuffer()),
() => {},
);
} else {
key = await sodium.sodium_bin2hex(
(await sodium.crypto_box_publickey_from_secretkey(
await X25519SecretKey.from(data, "hex"),
)).getBuffer(),
);
}
fetch(
`https://notchat.mirzaev.sexy/servers/connect/MIRZAEV`,
{
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
description: "",
location: "Russia",
host: "https://pantry.bebra.team",
accounts: [],
settings: {
chats: {
max: 50,
private: false,
languages: [],
},
},
key,
}),
},
)
.then((response) =>
Number(response.headers.get("content-length")) === 0
? null
: response.json()
)
.then((data) => {
if (
data !== null &&
typeof data !== "undefined" &&
data.errors !== null &&
typeof data.errors === "object" &&
data.errors.length > 0
) {
console.log("Response from server:\n");
for (const error of data.errors) console.log(error);
}
});
});
})();

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system/public/server.js Normal file
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//#!/usr/bin/env node
//
// WebSocket chat server
// Implemented using Node.js
//
// Requires the websocket module.
//
// WebSocket and WebRTC based multi-user chat sample with two-way video
// calling, including use of TURN if applicable or necessary.
//
// This file contains the JavaScript code that implements the server-side
// functionality of the chat system, including user ID management, message
// reflection, and routing of private messages, including support for
// sending through unknown JSON objects to support custom apps and signaling
// for WebRTC.
//
// Requires Node.js and the websocket module (WebSocket-Node):
//
// - http://nodejs.org/
// - https://github.com/theturtle32/WebSocket-Node
//
// To read about how this sample works: http://bit.ly/webrtc-from-chat
//
// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/publicdomain/zero/1.0/
"use strict";
var http = require('http');
var https = require('https');
var fs = require('fs');
var WebSocketServer = require('websocket').server;
// Pathnames of the SSL key and certificate files to use for
// HTTPS connections.
const keyFilePath = "/etc/letsencrypt/live/bebra.team/privkey.pem";
// const certFilePath = "/etc/letsencrypt/live/bebra.ateam/cert.pem";
const certFilePath = "/etc/letsencrypt/live/bebra.team/fullchain.pem";
// Used for managing the text chat user list.
var connectionArray = [];
var nextID = Date.now();
var appendToMakeUnique = 1;
// Output logging information to console
function log(text) {
var time = new Date();
console.log("[" + time.toLocaleTimeString() + "] " + text);
}
// If you want to implement support for blocking specific origins, this is
// where you do it. Just return false to refuse WebSocket connections given
// the specified origin.
function originIsAllowed(origin) {
return true; // We will accept all connections
}
// Scans the list of users and see if the specified name is unique. If it is,
// return true. Otherwise, returns false. We want all users to have unique
// names.
function isUsernameUnique(name) {
var isUnique = true;
var i;
for (i=0; i<connectionArray.length; i++) {
if (connectionArray[i].username === name) {
isUnique = false;
break;
}
}
return isUnique;
}
// Sends a message (which is already stringified JSON) to a single
// user, given their username. We use this for the WebRTC signaling,
// and we could use it for private text messaging.
function sendToOneUser(target, msgString) {
var isUnique = true;
var i;
for (i=0; i<connectionArray.length; i++) {
if (connectionArray[i].username === target) {
connectionArray[i].sendUTF(msgString);
break;
}
}
}
// Scan the list of connections and return the one for the specified
// clientID. Each login gets an ID that doesn't change during the session,
// so it can be tracked across username changes.
function getConnectionForID(id) {
var connect = null;
var i;
for (i=0; i<connectionArray.length; i++) {
if (connectionArray[i].clientID === id) {
connect = connectionArray[i];
break;
}
}
return connect;
}
// Builds a message object of type "userlist" which contains the names of
// all connected users. Used to ramp up newly logged-in users and,
// inefficiently, to handle name change notifications.
function makeUserListMessage() {
var userListMsg = {
type: "userlist",
users: []
};
var i;
// Add the users to the list
for (i=0; i<connectionArray.length; i++) {
userListMsg.users.push(connectionArray[i].username);
}
return userListMsg;
}
// Sends a "userlist" message to all chat members. This is a cheesy way
// to ensure that every join/drop is reflected everywhere. It would be more
// efficient to send simple join/drop messages to each user, but this is
// good enough for this simple example.
function sendUserListToAll() {
var userListMsg = makeUserListMessage();
var userListMsgStr = JSON.stringify(userListMsg);
var i;
for (i=0; i<connectionArray.length; i++) {
connectionArray[i].sendUTF(userListMsgStr);
}
}
// Try to load the key and certificate files for SSL so we can
// do HTTPS (required for non-local WebRTC).
var httpsOptions = {
key: null,
cert: null
};
try {
httpsOptions.key = fs.readFileSync(keyFilePath);
try {
httpsOptions.cert = fs.readFileSync(certFilePath);
} catch(err) {
httpsOptions.key = null;
httpsOptions.cert = null;
}
} catch(err) {
httpsOptions.key = null;
httpsOptions.cert = null;
}
// If we were able to get the key and certificate files, try to
// start up an HTTPS server.
var webServer = null;
try {
if (httpsOptions.key && httpsOptions.cert) {
webServer = https.createServer(httpsOptions, handleWebRequest);
}
} catch(err) {
webServer = null;
}
if (!webServer) {
try {
webServer = http.createServer({}, handleWebRequest);
} catch(err) {
webServer = null;
log(`Error attempting to create HTTP(s) server: ${err.toString()}`);
}
}
// Our HTTPS server does nothing but service WebSocket
// connections, so every request just returns 404. Real Web
// requests are handled by the main server on the box. If you
// want to, you can return real HTML here and serve Web content.
function handleWebRequest(request, response) {
log ("Received request for " + request.url);
response.writeHead(404);
response.end();
}
// Spin up the HTTPS server on the port assigned to this sample.
// This will be turned into a WebSocket port very shortly.
webServer.listen(6503, function() {
log("Server is listening on port 6503");
});
// Create the WebSocket server by converting the HTTPS server into one.
var wsServer = new WebSocketServer({
httpServer: webServer,
autoAcceptConnections: false
});
if (!wsServer) {
log("ERROR: Unable to create WbeSocket server!");
}
// Set up a "connect" message handler on our WebSocket server. This is
// called whenever a user connects to the server's port using the
// WebSocket protocol.
wsServer.on('request', function(request) {
if (!originIsAllowed(request.origin)) {
request.reject();
log("Connection from " + request.origin + " rejected.");
return;
}
// Accept the request and get a connection.
var connection = request.accept("json", request.origin);
// Add the new connection to our list of connections.
log("Connection accepted from " + connection.remoteAddress + ".");
connectionArray.push(connection);
connection.clientID = nextID;
nextID++;
// Send the new client its token; it send back a "username" message to
// tell us what username they want to use.
var msg = {
type: "id",
id: connection.clientID
};
connection.sendUTF(JSON.stringify(msg));
// Set up a handler for the "message" event received over WebSocket. This
// is a message sent by a client, and may be text to share with other
// users, a private message (text or signaling) for one user, or a command
// to the server.
connection.on('message', function(message) {
if (message.type === 'utf8') {
log("Received Message: " + message.utf8Data);
// Process incoming data.
var sendToClients = true;
msg = JSON.parse(message.utf8Data);
var connect = getConnectionForID(msg.id);
// Take a look at the incoming object and act on it based
// on its type. Unknown message types are passed through,
// since they may be used to implement client-side features.
// Messages with a "target" property are sent only to a user
// by that name.
switch(msg.type) {
// Public, textual message
case "message":
msg.name = connect.username;
msg.text = msg.text.replace(/(<([^>]+)>)/ig, "");
break;
// Username change
case "username":
var nameChanged = false;
var origName = msg.name;
// Ensure the name is unique by appending a number to it
// if it's not; keep trying that until it works.
while (!isUsernameUnique(msg.name)) {
msg.name = origName + appendToMakeUnique;
appendToMakeUnique++;
nameChanged = true;
}
// If the name had to be changed, we send a "rejectusername"
// message back to the user so they know their name has been
// altered by the server.
if (nameChanged) {
var changeMsg = {
id: msg.id,
type: "rejectusername",
name: msg.name
};
connect.sendUTF(JSON.stringify(changeMsg));
}
// Set this connection's final username and send out the
// updated user list to all users. Yeah, we're sending a full
// list instead of just updating. It's horribly inefficient
// but this is a demo. Don't do this in a real app.
connect.username = msg.name;
sendUserListToAll();
sendToClients = false; // We already sent the proper responses
break;
}
// Convert the revised message back to JSON and send it out
// to the specified client or all clients, as appropriate. We
// pass through any messages not specifically handled
// in the select block above. This allows the clients to
// exchange signaling and other control objects unimpeded.
if (sendToClients) {
var msgString = JSON.stringify(msg);
var i;
// If the message specifies a target username, only send the
// message to them. Otherwise, send it to every user.
if (msg.target && msg.target !== undefined && msg.target.length !== 0) {
sendToOneUser(msg.target, msgString);
} else {
for (i=0; i<connectionArray.length; i++) {
connectionArray[i].sendUTF(msgString);
}
}
}
}
});
// Handle the WebSocket "close" event; this means a user has logged off
// or has been disconnected.
connection.on('close', function(reason, description) {
// First, remove the connection from the list of connections.
connectionArray = connectionArray.filter(function(el, idx, ar) {
return el.connected;
});
// Now send the updated user list. Again, please don't do this in a
// real application. Your users won't like you very much.
sendUserListToAll();
// Build and output log output for close information.
var logMessage = "Connection closed: " + connection.remoteAddress + " (" +
reason;
if (description !== null && description.length !== 0) {
logMessage += ": " + description;
}
logMessage += ")";
log(logMessage);
});
});

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bdbb2fa5198d6badac2cba73aec104c16f46f5dbf9d0225f0656934846a97d29

8
system/start.sh Executable file
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#!/bin/sh
npm install websocket
npm install webrtc-adapter
cp node_modules/webrtc-adapter/out/adapter.js public/
node public/server.js