validate if token is expired

src/main/resources/static/js/main.js

@@ -2,6 +2,8 @@ const API_BASE_URL = '/api';
 let currentUser = null;
 let resetToken = null;
 
+checkForExpiredToken();
+
 // Theme management
 function initializeTheme() {
     const savedTheme = localStorage.getItem('theme') || 'light';
@@ -471,6 +473,19 @@ function maskUserEmail(email) {
     return `${first}${maskedPart}${last}@${domain}`;
 }
 
+function checkForExpiredToken() {
+    const userDataString = localStorage.getItem("userData");
+
+    if (!userDataString) return true;
+
+    const userData = JSON.parse(userDataString);
+    const expirationDate = new Date(userData.expirationDate);
+
+    if (expirationDate < new Date()) {
+        logout();
+    }
+}
+
 function logout() {
     localStorage.removeItem('authToken');
     localStorage.removeItem('userData');