krgamestudios/chat-server
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Chat is working

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This commit is contained in:
Kayne Ruse
2021-03-17 16:51:37 +11:00
parent 3e31429a4f
commit b265d1f417
6 changed files with 691 additions and 45 deletions
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.envdev
+1
View File
@@ -6,3 +6,4 @@ DB_USERNAME=chat
DB_PASSWORD=blastoise DB_PASSWORD=blastoise
DB_TIMEZONE=Australia/Sydney DB_TIMEZONE=Australia/Sydney
SECRET_ACCESS=access
README.md
+26
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@@ -10,3 +10,29 @@ TODO: document the chat server setup
TODO: document the chat server api TODO: document the chat server api
socket.io
```
on connection -> wait for "create user" event
on create user -> join #general as @username; socket.roomName = 'general'; socket.username = 'username'; accept only JWTs, send "backlog" message
on message -> socket.to(socket.roomName).emit('message'); //scan for commands via middleware
on disconnect -> cleanup etc.
regular user API:
/join #room -> room is set to #room, join and leave commands are issued (this can also "create" new rooms)
/whisper @username -> disallow if roomName is different between two users
```
```
//user count
let room = io.sockets.adapter.rooms['my_room'];
let count = room.length;
```
https://socket.io/docs/v3/middlewares/
package-lock.json
Generated
+551 -37
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@@ -3222,8 +3670,7 @@
"semver": { "semver": {
"version": "5.7.1", "version": "5.7.1",
"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz", "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==", "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
"dev": true
}, },
"semver-compare": { "semver-compare": {
"version": "1.0.0", "version": "1.0.0",
@@ -3275,9 +3722,9 @@
} }
}, },
"sequelize": { "sequelize": {
"version": "6.5.0", "version": "6.5.1",
"resolved": "https://registry.npmjs.org/sequelize/-/sequelize-6.5.0.tgz", "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-6.5.1.tgz",
"integrity": "sha512-owBt8fnzVy8E1OvyCyfCdVk7OOLyPVrBCMEf+CvRReC5oCyo+UqeXCtwaex9L6LM9ifZ1i3TG3sFeM5MgLK0CQ==", "integrity": "sha512-DWgaF+Vw+gWpxomyyYppUOCWzP0ReoMol8EEaDMA+cbSUevyMb74BEwSAd0c8GKgDYiOjpq4DmKBQLHtLAgS1g==",
"requires": { "requires": {
"debug": "^4.1.1", "debug": "^4.1.1",
"dottie": "^2.0.0", "dottie": "^2.0.0",
@@ -3344,15 +3791,76 @@
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"dev": true "dev": true
}, },
"socket.io": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.0.0.tgz",
"integrity": "sha512-/c1riZMV/4yz7KEpaMhDQbwhJDIoO55whXaRKgyEBQrLU9zUHXo9rzeTMvTOqwL9mbKfHKdrXcMoCeQ/1YtMsg==",
"requires": {
"@types/cookie": "^0.4.0",
"@types/cors": "^2.8.8",
"@types/node": ">=10.0.0",
"accepts": "~1.3.4",
"base64id": "~2.0.0",
"debug": "~4.3.1",
"engine.io": "~5.0.0",
"socket.io-adapter": "~2.2.0",
"socket.io-parser": "~4.0.3"
},
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"resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
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"requires": {
"ms": "2.1.2"
}
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}
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"component-emitter": "~1.3.0",
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}
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},
"statuses": { "statuses": {
"version": "1.5.0", "version": "1.5.0",
"resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz", "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
"integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=" "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
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"string-width": { "string-width": {
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"resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.1.tgz", "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.2.tgz",
"integrity": "sha512-LL0OLyN6AnfV9xqGQpDBwedT2Rt63737LxvsRxbcwpa2aIeynBApG2Sm//F3TaLHIR1aJBN52DWklc06b94o5Q==", "integrity": "sha512-XBJbT3N4JhVumXE0eoLU9DCjcaF92KLNqTmFCnG1pf8duUxFGwtP6AD6nkjw9a3IdiRtL3E2w3JDiE/xi3vOeA==",
"dev": true, "dev": true,
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"emoji-regex": "^8.0.0", "emoji-regex": "^8.0.0",
@@ -3556,6 +4064,12 @@
"typedarray-to-buffer": "^3.1.5" "typedarray-to-buffer": "^3.1.5"
} }
}, },
"ws": {
"version": "7.4.4",
"resolved": "https://registry.npmjs.org/ws/-/ws-7.4.4.tgz",
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"requires": {}
},
"xdg-basedir": { "xdg-basedir": {
"version": "4.0.0", "version": "4.0.0",
"resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-4.0.0.tgz", "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-4.0.0.tgz",
package.json
+3 -1
View File
@@ -23,8 +23,10 @@
"cors": "^2.8.5", "cors": "^2.8.5",
"dotenv": "^8.2.0", "dotenv": "^8.2.0",
"express": "^4.17.1", "express": "^4.17.1",
"jsonwebtoken": "^8.5.1",
"mariadb": "^2.5.2", "mariadb": "^2.5.2",
"sequelize": "^6.5.0" "sequelize": "^6.5.0",
"socket.io": "^4.0.0"
}, },
"devDependencies": { "devDependencies": {
"nodemon": "^2.0.7" "nodemon": "^2.0.7"
server/chat/index.js
+103 -5
View File
@@ -1,7 +1,105 @@
const express = require('express'); const { request } = require('express');
const router = express.Router(); const jwt = require('jsonwebtoken');
//basic route management const chat = io => {
//TODO: import the routes io.on('connection', socket => {
//middleware
socket.use((request, next) => {
//verify request format
if (!['open chat', 'message'].includes(request[0])) {
return next(`Invalid request to the chat server ${request[0]}`);
}
return next();
});
module.exports = router; socket.use((request, next) => {
//authenticate the jwt
return jwt.verify(request[1].accessToken, process.env.SECRET_ACCESS, (err, user) => {
if (err) {
return next(err);
}
const room = socket.user?.room; //save room, if any
socket.user = user;
socket.user.room = room;
return next();
});
});
//handle errors
socket.on('error', err => {
console.log('socket error:', err);
socket.emit(err);
});
//from here, handles all normal messages
socket.on('open chat', message => {
//handle rooms - only in a room if you've opened chat
const newlyOpened = !socket.user.room;
socket.user.room = socket.user.room || 'general'; //default to general
if (!newlyOpened) {
return;
}
socket.join(socket.user.room);
//broadcast to this room
socket.broadcast.to(socket.user.room).emit('message', { emphasis: true, text: `${socket.user.username} entered chat` });
});
socket.on('message', message => {
//server commands begin with a '/'
if (message.text.startsWith('/')) {
return executeCommand(socket, message.text);
}
//broadcast to this room
socket.broadcast.to(socket.user.room).emit('message', { username: socket.user.username, text: message.text });
});
socket.on('disconnect', reason => {
//broadcast to this room
if (!socket.user) {
return;
}
socket.broadcast.to(socket.user.room || '.error').emit('message', { emphasis: true, text: `${socket.user.username} left chat` });
});
});
};
//handle commands
const executeCommand = (socket, command) => {
switch(command.split(' ')[0]) {
case '/room':
const room = command.split(' ')[1];
if (!room) {
socket.emit('no room argument');
break;
}
//broadcast to the old room
socket.broadcast.to(socket.user.room).emit('message', { emphasis: true, text: `${socket.user.username} left chat` });
socket.leave(socket.user.room);
socket.user.room = room;
socket.join(socket.user.room);
//broadcast to the new room
socket.broadcast.to(socket.user.room).emit('message', { emphasis: true, text: `${socket.user.username} entered chat` });
socket.emit('message', { emphasis: true, text: `Entered room ${socket.user.room}` });
break;
default:
socket.emit('message', { emphasis: true, text: 'Unknown command' });
}
};
module.exports = chat;
//TODO: record messages in a database
//TODO: handle message backlog on connection
//TODO: add banning and muting controls
server/server.js
+7 -2
View File
@@ -5,6 +5,11 @@ require('dotenv').config();
const express = require('express'); const express = require('express');
const app = express(); const app = express();
const server = require('http').Server(app); const server = require('http').Server(app);
const io = require('socket.io')(server, {
cors: {
origin: '*'
}
});
const bodyParser = require('body-parser'); const bodyParser = require('body-parser');
const cors = require('cors'); const cors = require('cors');
@@ -15,8 +20,8 @@ app.use(cors());
//database connection //database connection
const database = require('./database'); const database = require('./database');
//access the news //access the chat
app.use('/chat', require('./chat')); require('./chat')(io.of('/chat'));
//error on access //error on access
app.get('*', (req, res) => { app.get('*', (req, res) => {