feat: validate token

prisma/schema.prisma

@@ -6,7 +6,6 @@
 
 // This is your Prisma schema file,
 // learn more about it in the docs: https://pris.ly/d/prisma-schema
-
 datasource db {
   provider = "postgresql"
   url      = env("DATABASE_URL")

src/app.ts

@@ -6,6 +6,7 @@ import productRoutes from './routes/productRoutes.js'
 import createUserRouter from './routes/createUserRoutes.js'
 import createUnitRouter from './routes/createUnitRoutes.js'
 import proposalRoutes from './routes/proposalRoutes.js'
+import validateToken from './routes/validateToken.js'
 
 const app = express()
 
@@ -27,5 +28,6 @@ app.use('/auth', authRoutes) // Adicione '/api' como prefixo para as rotas de au
 app.use('/api', createUserRouter) // Adicione '/api' como prefixo para as rotas de autenticação
 app.use('/api', createUnitRouter) // Adicione '/api' como prefixo para as rotas de autenticação
 app.use('/proposal', proposalRoutes) // Adicione '/api' como prefixo para as rotas de autenticação
+app.use('/auth', validateToken) // Adicione '/api' como prefixo para as rotas de autenticação
 
 export default app

src/routes/validateToken.ts

@@ -0,0 +1,31 @@
+import express from 'express';
+import jwt from 'jsonwebtoken';
+import type { Request, Response } from 'express';
+import { PrismaClient, UserRole } from '@prisma/client'; // Optional: for user-related info (if needed)
+
+const validateToken = express.Router();
+const prisma = new PrismaClient();
+
+// Route for validating JWT tokens
+validateToken.post('/validate-token', (req: Request, res: Response) => {
+  const token = req.body.token;
+
+  if (!token) {
+    return res.status(400).json({ valid: false, message: 'Token is missing' });
+  }
+
+  // Verify the token using the JWT secret
+  jwt.verify(token, process.env.JWT_SECRET as string, (err: any, decoded: any) => {
+    if (err) {
+      return res.status(401).json({ valid: false, message: 'Invalid token' });
+    }
+
+    // Optionally, you could retrieve user information from the database using `decoded.id`
+    // Example: const user = await prisma.user.findUnique({ where: { id: decoded.id } });
+
+    // If token is valid, send back valid: true
+    res.status(200).json({ valid: true, decoded });
+  });
+});
+
+export default validateToken;