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socketio-jwt/README.md

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<h1 align="center">Thream/socketio-jwt</h1>
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<p align="center">
<strong>Authenticate socket.io incoming connections with JWTs.</strong>
</p>
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<p align="center">
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</p>
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## 📜 About
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Authenticate socket.io incoming connections with JWTs.
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Compatible with `socket.io >= 3.0`.
This repository was originally forked from [auth0-socketio-jwt](https://github.com/auth0-community/auth0-socketio-jwt) & it is not intended to take any credit but to improve the code from now on.
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## 💾 Install
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```sh
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npm install --save @thream/socketio-jwt
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```
## ⚙️ Usage
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### Server side
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```ts
import { Server } from 'socket.io'
import socketioJWT from '@thream/socketio-jwt'
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const io = new Server(9000)
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io.use(
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authorize({
secret: 'your secret or public key'
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})
)
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io.on('connection', async () => {
const clients = await io.sockets.allSockets()
for (const clientId of clients) {
const client = io.sockets.sockets.get(clientId)
console.log(client.decodedToken) // we can access the jwt payload of each connected client
}
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})
```
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### Client side
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```ts
import { io } from 'socket.io-client'
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// Require Bearer Tokens to be passed in as an Authorization Header
const socket = io('http://localhost:9000', {
extraHeaders: { Authorization: `Bearer ${yourJWT}` }
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})
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// Handling token expiration
socket.on('connect_error', (error) => {
if (error.data.type === 'UnauthorizedError') {
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console.log('User token has expired')
}
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})
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// Listening to events
socket.on('messages', (data) => {
console.log(data)
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})
```
## 💡 Contributing
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Anyone can help to improve the project, submit a Feature Request, a bug report or even correct a simple spelling mistake.
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The steps to contribute can be found in the [CONTRIBUTING.md](./.github/CONTRIBUTING.md) file.
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## 📄 License
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[MIT](./LICENSE)