From 974d7315b9bbeb770d660e5aab24770e61a7c2e2 Mon Sep 17 00:00:00 2001
From: cottongin <cottongin@users.noreply.github.com>
Date: Sun, 22 Mar 2026 23:58:27 -0400
Subject: [PATCH] feat: add optional auth middleware

Made-with: Cursor
---
 backend/middleware/optional-auth.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 backend/middleware/optional-auth.js

diff --git a/backend/middleware/optional-auth.js b/backend/middleware/optional-auth.js
new file mode 100644
index 0000000..79cf1b2
--- /dev/null
+++ b/backend/middleware/optional-auth.js
@@ -0,0 +1,19 @@
+const jwt = require('jsonwebtoken');
+const { JWT_SECRET } = require('./auth');
+
+function optionalAuthenticateToken(req, res, next) {
+  const authHeader = req.headers['authorization'];
+  const token = authHeader && authHeader.split(' ')[1];
+
+  if (!token) {
+    req.user = null;
+    return next();
+  }
+
+  jwt.verify(token, JWT_SECRET, (err, user) => {
+    req.user = err ? null : user;
+    next();
+  });
+}
+
+module.exports = { optionalAuthenticateToken };