fix: check user exists on login

auth/login.go

@@ -19,7 +19,7 @@ func (auth *AuthMiddleware) LoginPost(w http.ResponseWriter, r *http.Request) {
 	password := r.Form.Get("password")
 
 	user, err := db.GetUserByName(username)
-	if err != nil {
+	if user == nil || err != nil {
 		time.Sleep(time.Second)
 		http.Error(w, "Username or password invalid", http.StatusUnauthorized)
 		return

main.go

@@ -41,9 +41,6 @@ func main() {
 	protectedMux.HandleFunc("POST /wishlist/delete", ctx.WishlistDelete)
 	protectedMux.HandleFunc("POST /logout", authMiddleware.LogoutPost)
 
-	// TODO: Remove me
-	protectedMux.HandleFunc("GET /logout", authMiddleware.LogoutPost)
-
 	http.Handle("/", authMiddleware)
 
 	http.ListenAndServe(":4000", nil)