added endpoints for profile and feed

code/backend/src/middleware/authenticateToken.ts

@@ -9,17 +9,6 @@ dotenv.config();
 const JWT_SECRET: string = process.env.TOKEN_SECRET!;
 if (!JWT_SECRET) console.error("No JWT secret provided");
 
-
-
-// Extend the Express Request interface to include the user property
-declare global {
-  namespace Express {
-    interface Request {
-      user?: JwtPayload;
-    }
-  }
-}
-
 // Middleware function to authenticate the JWT token
 export function authenticateToken() {
   return (req: Request, res: Response, next: NextFunction) => {

code/backend/src/middleware/optionalAuthenticateToken.ts

@@ -0,0 +1,25 @@
+import { Request, Response, NextFunction } from "express";
+import jwt from "jsonwebtoken";
+import { JwtPayload } from "../types/tokens";
+const JWT_SECRET: string = process.env.TOKEN_SECRET!;
+
+export const optionalAuthenticateToken = (
+  req: Request,
+  res: Response,
+  next: NextFunction
+) => {
+  const authHeader = req.headers["authorization"]; // Get the authorization header
+  const token = authHeader && authHeader.split(" ")[1]; // Extract the token from the "Bearer <token>" format
+
+  if (!token) {
+    return next();
+  }
+
+  jwt.verify(token!, JWT_SECRET, (err, user) => {
+    if (err) {
+      return next();
+    }
+    req.user = user as JwtPayload;
+    next();
+  });
+};

code/backend/src/middleware/uploadMultiple.ts

@@ -1,5 +1,5 @@
 import { StatusCodes } from "http-status-codes";
-import multer, { MulterError } from "multer";
+import multer from "multer";
 import { Request, Response, NextFunction } from "express";
 
 // Configure multer to store files in memory
@@ -35,11 +35,7 @@ export const upload = (req: Request, res: Response, next: NextFunction) => {
     }
     for (const file of files) {
       //check for correct filetypes
-      if (
-        file.mimetype !== "image/jpeg" &&
-        file.mimetype !== "image/png" &&
-        file.mimetype !== "image/webp"
-      ) {
+      if (["jpeg", "png", "webp"].includes(file.mimetype)) {
         return res.status(StatusCodes.BAD_REQUEST).json({
           error: "Invalid file type",
           details: [

code/backend/src/middleware/uploadSingle.ts

@@ -0,0 +1,42 @@
+import { Request, Response, NextFunction } from "express";
+import multer from "multer";
+import { StatusCodes } from "http-status-codes";
+
+const multerInstance = multer({
+  storage: multer.memoryStorage(),
+  limits: { fileSize: 5 * 1024 * 1024 }, // 5 MB
+});
+
+export const upload = (req: Request, res: Response, next: NextFunction) => {
+  multerInstance.single("image")(req, res, (err: any) => {
+    if (err) {
+      console.error(err);
+      return res
+        .status(StatusCodes.BAD_REQUEST)
+        .json({ error: err.name, details: [err.message] });
+    }
+
+    if (!req.file) {
+      return res.status(StatusCodes.BAD_REQUEST).json({
+        error: "No file uploaded",
+        details: [{ message: "Please upload a file" }],
+      });
+    }
+
+    const allowedTypes = ["image/jpeg", "image/png", "image/webp"];
+    if (!allowedTypes.includes(req.file.mimetype)) {
+      return res.status(StatusCodes.BAD_REQUEST).json({
+        error: "Invalid file type",
+        details: [
+          {
+            message:
+              "Only .jpeg, .png, or .webp files are allowed. Invalid: " +
+              req.file.originalname,
+          },
+        ],
+      });
+    }
+
+    next();
+  });
+};