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jwt-express-middleware

v1.0.7

Published

JWT Express Middleware this is a simple middleware to verify JWT tokens in express

Downloads

13

Readme

JWT Middleware Library

Una biblioteca de middleware para proteger rutas usando JSON Web Tokens (JWT) en Express.js, escrita en TypeScript.

Instalación

npm install jwt-express-middleware

Uso

Configuración por Defecto

import express from 'express';
import { jwtMiddleware, extractToken, generateToken } from 'jwt-express-middleware';

const app = express();
const secretKey = 'your-secret-key';

## Generar un token con los valores predeterminados
const token = generateToken({ userId: '12345', role: 'admin' }, secretKey);
console.log('Generated Token:', token);

### Usar el middleware con la configuración por defecto
app.use(jwtMiddleware(secretKey));

app.get('/protected', (req, res) => {
  res.send(`Hello protected route, user ID: ${(req as any).user.userId}`);
});

app.listen(3000, () => {
  console.log('Server running on port 3000');
});

Configuración Personalizada

import express from 'express';
import { jwtMiddleware, extractToken, generateToken } from 'tu-biblioteca-jwt';

const app = express();
const secretKey = 'your-secret-key';

## Generar un token con un tiempo de expiración personalizado
const token = generateToken(
  { userId: '12345', role: 'admin' },
  secretKey,
  { expiresIn: '2h' }
);
console.log('Generated Token:', token);

Usar el middleware con opciones personalizadas

app.use(jwtMiddleware(secretKey, {
  message: {
    errorMessage: 'Custom invalid token message',
    successMessage: 'Custom success message',
  },
  algorithms: ['HS256', 'RS256']
}));

app.get('/protected', (req, res) => {
  res.send(`Hello protected route, user ID: ${(req as any).user.userId}`);
});

app.listen(3000, () => {
  console.log('Server running on port 3000');
});

Ejemplo de Uso con un Router de Rutas

import { Router } from "express";
import {
  deleteProyect,
  getProyects,
  postProyects,
  updateProyect,
  getByIdProyect
} from "../Controllers/ControllerProyects";
import { jwtMiddleware, generateToken } from 'jwt-express-middleware';

const router = Router();
const secretKey = 'your-secret-key';

// Ejemplo de generar un token (esto debería hacerse en tu lógica de autenticación y no aquí)
const token = generateToken({ userId: '12345', role: 'admin' }, secretKey);
console.log('Generated Token:', token);

// Proteger todas las rutas con el middleware JWT
router.use(jwtMiddleware(secretKey));

// Rutas
router.get("/", getProyects);
router.get("/:id", getByIdProyect);
router.post("/post", postProyects);
router.put("/update/:id", updateProyect);
router.delete("/delete/:id", deleteProyect);

// Proteger rutas individuales

// Rutas
router.get("/", getProyects);
router.get("/:id", jwtMiddleware(secretKey), getByIdProyect);
router.post("/post", jwtMiddleware(secretKey), postProyects);
router.put("/update/:id", jwtMiddleware(secretKey), updateProyect);
router.delete("/delete/:id", jwtMiddleware(secretKey), deleteProyect);

export default router;

API

jwtMiddleware

Middleware para proteger rutas usando JWT.

jwtMiddleware(secretKey: string, options?: JwtMiddlewareOptions)

secretKey: Clave secreta para verificar el token. options: Opciones de configuración para el middleware. Opciones message: Mensajes personalizados para las respuestas del middleware. successMessage: Mensaje enviado cuando el token es válido. (Predeterminado: "Token is valid") errorMessage: Mensaje enviado cuando el token es inválido. (Predeterminado: "Invalid token") expiresIn: Tiempo de expiración del token. (Predeterminado: "1h") algorithms: Algoritmos permitidos para la verificación del token. (Predeterminado: ["HS256"])

generateToken Función para generar un token JWT.

generateToken(payload: JwtPayload, secretKey: string, options?: JwtMiddlewareOptions): string

payload: Datos a incluir en el token. secretKey: Clave secreta para firmar el token. options: Opciones de configuración para la generación del token.

extractToken Función para extraer el token JWT del encabezado de la solicitud.

extractToken(req: Request): string

req: Objeto de solicitud de Express.

Screenshots

App Screenshot

App Screenshot App Screenshot App Screenshot