├── .gitignore ├── LICENSE ├── README.md ├── images └── okta-app-settings.png ├── package-lock.json ├── package.json ├── src ├── client │ ├── App.tsx │ ├── MessageList.scss │ ├── MessageList.tsx │ ├── NewMessage.tsx │ ├── auth.ts │ ├── index.html │ ├── index.tsx │ └── tsconfig.json ├── global.d.ts ├── index.ts └── socket.ts ├── tsconfig.json └── tslint.json /.gitignore: -------------------------------------------------------------------------------- 1 | node_modules 2 | .env 3 | dist 4 | .cache 5 | .idea/ 6 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright 2019 Okta, Inc. 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Example App Using Node, TypeScript, and React 2 | 3 | This example app shows how to create a simple real-time chat server using Node and TypeScript, as well as a frontend to interact with it using React. This uses Okta for authentication. 4 | 5 | Please read [Build a Node.js API with TypeScript](https://developer.okta.com/blog/2019/05/07/nodejs-typescript-api) to see how this example was built. 6 | 7 | **Prerequisites**: [Node.js](https://nodejs.org/en/). 8 | 9 | ## Getting Started 10 | 11 | To install this example application, run the following commands: 12 | 13 | ```bash 14 | git clone https://github.com/oktadeveloper/okta-node-express-typescript-react-example.git 15 | cd okta-node-express-typescript-react-example 16 | npm install 17 | ``` 18 | 19 | This will install a local copy of the project. You will need to set up some environment variables before the app will run properly. 20 | 21 | To integrate Okta's Identity Platform for user authentication, you'll first need to: 22 | 23 | * [Sign up for a free Okta Developer account](https://www.okta.com/developer/signup/) 24 | * You will get a URL similar to `https://dev-123456.oktapreview.com`. 25 | * Save this URL for later 26 | * You will also use this URL to login to your Okta account 27 | 28 | You will need to create an application in Okta: 29 | 30 | * Log in to your Okta account, then navigate to **Applications** and click the **Add Application** button 31 | * Select **Single-Page App** and click **Next** 32 | * Give your application a name (e.g. "Real-Time Chat") 33 | * Click **Done** 34 | * Save your **Client ID** for later 35 | 36 | Your Okta application should have settings similar to the following: 37 | 38 | ![Okta Application Settings](images/okta-app-settings.png) 39 | 40 | You'll also need to create a token in Okta: 41 | 42 | * From your Okta account, navigate to **Tokens** from the **API** dropwon in the header 43 | * Click **Create Token** 44 | * Give your token a name (e.g. "Real-Time Chat") 45 | * Click **Done** 46 | * Save your **Token** for later (if you lose this, you'll need to create another one) 47 | 48 | Now create a file called `.env` in the project root and add the following variables, replacing the values with your own from the previous steps. 49 | 50 | **.env** 51 | ```bash 52 | OKTA_ORG_URL=https://{yourOktaOrgUrl} 53 | OKTA_CLIENT_ID={yourClientId} 54 | OKTA_TOKEN={yourToken} 55 | ``` 56 | 57 | Now you can run both the Node backend and the React frontend with the following command: 58 | 59 | ```bash 60 | npm start 61 | ``` 62 | 63 | ## Links 64 | 65 | This example uses the [Okta JWT Verifier](https://github.com/okta/okta-oidc-js/tree/master/packages/jwt-verifier), the [Okta Node SDK](https://github.com/okta/okta-sdk-nodejs), and the [Okta React SDK](https://github.com/okta/okta-oidc-js/tree/master/packages/okta-react). 66 | 67 | ## Help 68 | 69 | Please [raise an issue](https://github.com/oktadeveloper/okta-node-express-typescript-react-example/issues) if you find a problem with the example application, or visit our [Okta Developer Forums](https://devforum.okta.com/). You can also email [developers@okta.com](mailto:developers@okta.com) if would like to create a support ticket. 70 | 71 | ## License 72 | 73 | Apache 2.0, see [LICENSE](LICENSE). 74 | 75 | -------------------------------------------------------------------------------- /images/okta-app-settings.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oktadev/okta-node-express-typescript-react-example/c776d26fa7a46fc6124b757380c36610b0e0f52f/images/okta-app-settings.png -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "real-time-chat", 3 | "version": "1.0.0", 4 | "description": "", 5 | "main": "dist/index.js", 6 | "scripts": { 7 | "prebuild": "tslint -c tslint.json -p tsconfig.json --fix", 8 | "build": "tsc", 9 | "prestart": "npm run build", 10 | "start": "node .", 11 | "dev": "ts-node-dev src/index.ts", 12 | "test": "echo \"Error: no test specified\" && exit 1" 13 | }, 14 | "keywords": [], 15 | "author": "", 16 | "license": "Apache-2.0", 17 | "dependencies": { 18 | "@okta/jwt-verifier": "^1.0.0", 19 | "@okta/okta-react": "^3.0.1", 20 | "@okta/okta-sdk-nodejs": "^3.3.1", 21 | "dotenv": "^8.2.0", 22 | "express": "^4.17.1", 23 | "immutable": "^4.0.0-rc.12", 24 | "react": "^16.13.1", 25 | "react-dom": "^16.13.1", 26 | "react-router": "^5.2.0", 27 | "react-router-dom": "^5.2.0", 28 | "socket.io": "^2.5.0", 29 | "socket.io-client": "^2.3.0", 30 | "uuid": "^8.1.0" 31 | }, 32 | "devDependencies": { 33 | "@babel/core": "^7.10.2", 34 | "@babel/preset-env": "^7.10.2", 35 | "@types/dotenv": "^8.2.0", 36 | "@types/express": "^4.17.6", 37 | "@types/node": "^14.0.5", 38 | "@types/parcel-bundler": "^1.12.1", 39 | "@types/react": "^16.9.35", 40 | "@types/socket.io": "^2.1.8", 41 | "@types/uuid": "^8.0.0", 42 | "parcel-bundler": "^1.12.4", 43 | "sass": "^1.26.7", 44 | "ts-node-dev": "^1.0.0-pre.44", 45 | "tslint": "^6.1.2", 46 | "typescript": "^3.9.3" 47 | } 48 | } 49 | -------------------------------------------------------------------------------- /src/client/App.tsx: -------------------------------------------------------------------------------- 1 | import React, { useEffect, useState } from "react"; 2 | import io from "socket.io-client"; 3 | import { useOktaAuth } from '@okta/okta-react'; 4 | import { useAuth } from "./auth"; 5 | import MessageList from "./MessageList"; 6 | import NewMessage from "./NewMessage"; 7 | 8 | export default () => { 9 | const { authService } = useOktaAuth(); 10 | const [user, token] = useAuth(); 11 | const [socket, setSocket] = useState(null); 12 | 13 | useEffect(() => { 14 | const newSocket = io(location.origin, token && { query: { token } }); 15 | setSocket(newSocket); 16 | return () => newSocket.close(); 17 | }, [token]); 18 | 19 | return socket && ( 20 |
21 | {user ? ( 22 |
23 | Signed in as {user.name} 24 | 25 |
26 | ) : ( 27 |
28 | Not signed in 29 | 30 |
31 | )} 32 | 33 | 34 |
35 | ); 36 | }; 37 | -------------------------------------------------------------------------------- /src/client/MessageList.scss: -------------------------------------------------------------------------------- 1 | .message-list { 2 | max-width: 500px; 3 | width: 100%; 4 | 5 | .message-list--message-container { 6 | display: flex; 7 | font-size: 14px; 8 | justify-content: space-between; 9 | align-items: center; 10 | 11 | .message-list--user { 12 | font-size: 1.1em; 13 | font-weight: bold; 14 | justify-content: flex-end; 15 | } 16 | 17 | .message-list--message { 18 | flex: 1; 19 | display: flex; 20 | justify-content: flex-start; 21 | padding-right: 10px; 22 | } 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /src/client/MessageList.tsx: -------------------------------------------------------------------------------- 1 | import { Map } from "immutable"; 2 | import React, { SyntheticEvent, useEffect, useState } from "react"; 3 | 4 | import "./MessageList.scss"; 5 | 6 | import { IMessage } from "../socket"; 7 | 8 | const MessageList = ({ socket }) => { 9 | const [messages, setMessages] = useState(Map()); 10 | 11 | useEffect(() => { 12 | const messageListener = (message: IMessage) => { 13 | setMessages((prevMessages) => prevMessages.set(message.id, message)); 14 | }; 15 | 16 | const deleteMessageListener = (messageID: string) => { 17 | setMessages((prevMessages) => prevMessages.delete(messageID)); 18 | }; 19 | 20 | socket.on("message", messageListener); 21 | socket.on("deleteMessage", deleteMessageListener); 22 | socket.emit("getMessages"); 23 | 24 | return () => { 25 | socket.off("message", messageListener); 26 | socket.off("deleteMessage", deleteMessageListener); 27 | }; 28 | }, [socket]); 29 | 30 | return ( 31 |
32 | {messages 33 | .toSet() 34 | .sortBy((message: IMessage) => message.time) 35 | .map((message: IMessage) => ( 36 |
41 | {message.value} 42 | {message.user.name} 43 |
44 | )).toArray() 45 | } 46 |
47 | ); 48 | }; 49 | 50 | export default MessageList; 51 | -------------------------------------------------------------------------------- /src/client/NewMessage.tsx: -------------------------------------------------------------------------------- 1 | import React, { SyntheticEvent, useState } from "react"; 2 | import { Socket } from "socket.io"; 3 | 4 | interface IProps { 5 | socket: Socket; 6 | } 7 | 8 | const NewMessage = ({socket}: IProps) => { 9 | const [value, setValue] = useState(""); 10 | const submitForm = (e: SyntheticEvent) => { 11 | e.preventDefault(); 12 | setValue(""); 13 | 14 | socket.emit("message", value); 15 | }; 16 | 17 | return ( 18 |
19 | ) => { 23 | setValue(e.currentTarget.value); 24 | }} 25 | /> 26 |
27 | ); 28 | }; 29 | 30 | export default NewMessage; 31 | -------------------------------------------------------------------------------- /src/client/auth.ts: -------------------------------------------------------------------------------- 1 | import { useEffect, useState } from "react"; 2 | import { useOktaAuth } from "@okta/okta-react"; 3 | 4 | export const useAuth = () => { 5 | const { authService, authState } = useOktaAuth(); 6 | const [user, setUser] = useState(null); 7 | const [token, setToken] = useState(null); 8 | 9 | useEffect(() => { 10 | if (authState.isAuthenticated) { 11 | if (!user) { 12 | authService.getUser().then(setUser); 13 | } 14 | setToken(`Bearer ${authState.accessToken}`); 15 | } else { 16 | setUser(null); 17 | setToken(null); 18 | } 19 | }); 20 | 21 | return [user, token]; 22 | }; 23 | 24 | -------------------------------------------------------------------------------- /src/client/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Real-Time Chat 5 | 6 | 7 |
8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /src/client/index.tsx: -------------------------------------------------------------------------------- 1 | import React from "react"; 2 | import ReactDOM from "react-dom"; 3 | import { BrowserRouter as Router, Route } from "react-router-dom"; 4 | import { LoginCallback, Security } from "@okta/okta-react"; 5 | 6 | import App from "./App"; 7 | 8 | ReactDOM.render( 9 | 10 | 15 | 16 | 17 | 18 | , 19 | document.getElementById("root"), 20 | ); 21 | -------------------------------------------------------------------------------- /src/client/tsconfig.json: -------------------------------------------------------------------------------- 1 | { 2 | "compilerOptions": { 3 | "lib": [ 4 | "es6", 5 | "dom" 6 | ], 7 | "allowSyntheticDefaultImports": true, 8 | "jsx": "react", 9 | "module": "es6", 10 | "target": "es6", 11 | "moduleResolution": "node", 12 | "sourceMap": true, 13 | "outDir": "../../dist", 14 | "baseUrl": ".", 15 | "paths": { 16 | "*": [ 17 | "../../node_modules/*" 18 | ] 19 | } 20 | }, 21 | "include": [ 22 | "./**/*" 23 | ] 24 | } 25 | -------------------------------------------------------------------------------- /src/global.d.ts: -------------------------------------------------------------------------------- 1 | declare module "@okta/jwt-verifier"; 2 | declare module "@okta/okta-sdk-nodejs"; 3 | -------------------------------------------------------------------------------- /src/index.ts: -------------------------------------------------------------------------------- 1 | import express from "express"; 2 | import Bundler from "parcel-bundler"; 3 | import path from "path"; 4 | import http from "http"; 5 | import SocketIOServer from "socket.io"; 6 | import initializeSocketIO from "./socket"; 7 | import dotenv from "dotenv"; 8 | 9 | dotenv.config(); 10 | 11 | const app = express(); 12 | const server = new http.Server(app); 13 | const io = SocketIOServer(server); 14 | const port = 8080 || process.env.PORT; 15 | 16 | const bundler = new Bundler(path.join(__dirname, "../src/client/index.html")); 17 | 18 | initializeSocketIO(io); 19 | app.use(bundler.middleware()); 20 | 21 | server.listen(port, () => { 22 | // tslint:disable-next-line:no-console 23 | console.log(`server started at http://localhost:${port}`); 24 | }); 25 | -------------------------------------------------------------------------------- /src/socket.ts: -------------------------------------------------------------------------------- 1 | import { Server, Socket } from "socket.io"; 2 | import { v4 as uuidv4 } from "uuid"; 3 | import OktaJwtVerifier from "@okta/jwt-verifier"; 4 | import okta from "@okta/okta-sdk-nodejs"; 5 | 6 | const messageExpirationTimeMS = 10 * 1000; 7 | 8 | export interface IUser { 9 | id: string; 10 | name: string; 11 | } 12 | 13 | const defaultUser: IUser = { 14 | id: "anon", 15 | name: "Anonymous", 16 | }; 17 | 18 | export interface IMessage { 19 | user: IUser; 20 | id: string; 21 | time: Date; 22 | value: string; 23 | } 24 | 25 | const sendMessage = (socket: Socket | Server) => 26 | (message: IMessage) => socket.emit("message", message); 27 | 28 | export default (io: Server) => { 29 | const messages: Set = new Set(); 30 | const users: Map = new Map(); 31 | 32 | const jwtVerifier = new OktaJwtVerifier({ 33 | clientId: process.env.OKTA_CLIENT_ID, 34 | issuer: `${process.env.OKTA_ORG_URL}/oauth2/default`, 35 | }); 36 | 37 | const oktaClient = new okta.Client({ 38 | orgUrl: process.env.OKTA_ORG_URL, 39 | token: process.env.OKTA_TOKEN, 40 | }); 41 | 42 | io.use(async (socket, next) => { 43 | const {token = null} = socket.handshake.query || {}; 44 | if (token) { 45 | try { 46 | const [authType, tokenValue] = token.trim().split(" "); 47 | if (authType !== "Bearer") { 48 | throw new Error("Expected a Bearer token"); 49 | } 50 | 51 | const {claims: {sub}} = await jwtVerifier.verifyAccessToken(tokenValue, 'api://default'); 52 | const user = await oktaClient.getUser(sub); 53 | 54 | users.set(socket, { 55 | id: user.id, 56 | name: [user.profile.firstName, user.profile.lastName].filter(Boolean).join(" "), 57 | }); 58 | } catch (error) { 59 | // tslint:disable-next-line:no-console 60 | console.log(error); 61 | } 62 | } 63 | 64 | next(); 65 | }); 66 | 67 | io.on("connection", (socket) => { 68 | socket.on("getMessages", () => { 69 | messages.forEach(sendMessage(socket)); 70 | }); 71 | 72 | socket.on("message", (value: string) => { 73 | const message: IMessage = { 74 | id: uuidv4(), 75 | time: new Date(), 76 | user: users.get(socket) || defaultUser, 77 | value, 78 | }; 79 | 80 | messages.add(message); 81 | 82 | sendMessage(io)(message); 83 | 84 | setTimeout( 85 | () => { 86 | messages.delete(message); 87 | io.emit("deleteMessage", message.id); 88 | }, 89 | messageExpirationTimeMS, 90 | ); 91 | }); 92 | 93 | socket.on("disconnect", () => { 94 | users.delete(socket); 95 | }); 96 | }); 97 | }; 98 | -------------------------------------------------------------------------------- /tsconfig.json: -------------------------------------------------------------------------------- 1 | { 2 | "compilerOptions": { 3 | "module": "commonjs", 4 | "esModuleInterop": true, 5 | "allowSyntheticDefaultImports": true, 6 | "target": "es6", 7 | "noImplicitAny": true, 8 | "moduleResolution": "node", 9 | "sourceMap": true, 10 | "outDir": "dist", 11 | "baseUrl": ".", 12 | "paths": { 13 | "*": [ 14 | "node_modules/*" 15 | ] 16 | } 17 | }, 18 | "include": [ 19 | "src/**/*" 20 | ], 21 | "exclude": [ 22 | "src/client" 23 | ] 24 | } 25 | -------------------------------------------------------------------------------- /tslint.json: -------------------------------------------------------------------------------- 1 | { 2 | "defaultSeverity": "error", 3 | "extends": [ 4 | "tslint:recommended" 5 | ] 6 | } 7 | --------------------------------------------------------------------------------