New resposne wall coding started.

influence/app/middleware/auth.js

@@ -162,8 +162,35 @@ const requireNonTemp = async (req, res, next) => {
     }
 };
 
+// Optional authentication - sets req.user if authenticated, but doesn't block if not
+const optionalAuth = async (req, res, next) => {
+    const isAuthenticated = (req.session && req.session.authenticated) ||
+                           (req.session && req.session.userId && req.session.userEmail);
+
+    if (isAuthenticated) {
+        // Check if temp user has expired
+        const expirationResponse = await checkTempUserExpiration(req, res);
+        if (expirationResponse) {
+            return; // Response already sent by checkTempUserExpiration
+        }
+
+        // Set up req.user object for controllers that expect it
+        req.user = {
+            id: req.session.userId,
+            email: req.session.userEmail,
+            isAdmin: req.session.isAdmin || false,
+            userType: req.session.userType || 'user',
+            name: req.session.userName || req.session.user_name || null
+        };
+    }
+
+    // Continue regardless of authentication status
+    next();
+};
+
 module.exports = {
     requireAuth,
     requireAdmin,
-    requireNonTemp
+    requireNonTemp,
+    optionalAuth
 };

influence/app/middleware/upload.js

@@ -0,0 +1,47 @@
+const multer = require('multer');
+const path = require('path');
+const fs = require('fs');
+
+// Ensure uploads directory exists
+const uploadDir = path.join(__dirname, '../public/uploads/responses');
+if (!fs.existsSync(uploadDir)) {
+  fs.mkdirSync(uploadDir, { recursive: true });
+}
+
+// Configure storage
+const storage = multer.diskStorage({
+  destination: (req, file, cb) => {
+    cb(null, uploadDir);
+  },
+  filename: (req, file, cb) => {
+    // Generate unique filename: timestamp-random-originalname
+    const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9);
+    const ext = path.extname(file.originalname);
+    const basename = path.basename(file.originalname, ext);
+    cb(null, `response-${uniqueSuffix}${ext}`);
+  }
+});
+
+// File filter - only images
+const fileFilter = (req, file, cb) => {
+  const allowedTypes = /jpeg|jpg|png|gif|webp/;
+  const extname = allowedTypes.test(path.extname(file.originalname).toLowerCase());
+  const mimetype = allowedTypes.test(file.mimetype);
+  
+  if (mimetype && extname) {
+    return cb(null, true);
+  } else {
+    cb(new Error('Only image files (JPEG, PNG, GIF, WebP) are allowed'));
+  }
+};
+
+// Configure multer
+const upload = multer({
+  storage: storage,
+  limits: {
+    fileSize: 5 * 1024 * 1024 // 5MB max file size
+  },
+  fileFilter: fileFilter
+});
+
+module.exports = upload;