feat: Initial commit of backend services and AGENTS.md

backend/middleware/auth.js

@@ -0,0 +1,20 @@
+const jwt = require("jsonwebtoken");
+
+module.exports = function (req, res, next) {
+  // Get token from header
+  const token = req.header("x-auth-token");
+
+  // Check if not token
+  if (!token) {
+    return res.status(401).json({ msg: "No token, authorization denied" });
+  }
+
+  // Verify token
+  try {
+    const decoded = jwt.verify(token, process.env.JWT_SECRET);
+    req.user = decoded.user;
+    next();
+  } catch (err) {
+    res.status(401).json({ msg: "Token is not valid" });
+  }
+};