first commit

server/middleware/auth.js

@@ -0,0 +1,53 @@
+const jwt = require('jsonwebtoken');
+const JWT_SECRET = process.env.JWT_SECRET || 'smart-parking-secret-key-bts-ciel-2025';
+
+function generateToken(user) {
+    return jwt.sign(
+        { 
+            id: user.id, 
+            email: user.email, 
+            role: user.role 
+        },
+        JWT_SECRET,
+        { expiresIn: '24h' }
+    );
+}
+
+function authenticateToken(req, res, next) {
+    const authHeader = req.headers['authorization'];
+    const token = authHeader && authHeader.split(' ')[1];
+
+    if (!token) {
+        return res.status(401).json({
+            success: false,
+            message: 'Token manquant'
+        });
+    }
+
+    jwt.verify(token, JWT_SECRET, (err, user) => {
+        if (err) {
+            return res.status(403).json({
+                success: false,
+                message: 'Token invalide'
+            });
+        }
+        req.user = user;
+        next();
+    });
+}
+
+function requireAdmin(req, res, next) {
+    if (req.user.role !== 'admin') {
+        return res.status(403).json({
+            success: false,
+            message: 'Accès réservé aux administrateurs'
+        });
+    }
+    next();
+}
+
+module.exports = {
+    generateToken,
+    authenticateToken,
+    requireAdmin
+};