Set correct theme on login

Author: Kristan Kenney

web/login/index.php

@@ -184,8 +184,12 @@ function authenticate_user($user, $password, $twofa = ''){
                 $_SESSION['LAST_ACTIVITY'] = time();
                 $_SESSION['MURMUR'] = $_POST['murmur'];
 
+                // Define user role / context
                 $_SESSION['userContext'] = $data[$user]['ROLE'];
 
+                // Set active user theme on login
+                $_SESSION['userTheme'] = $data[$user]['THEME'];
+
                 // Define language
                 $output = '';
                 exec (HESTIA_CMD."v-list-sys-languages json", $output, $return_var);

web/logout/index.php

@@ -13,6 +13,7 @@
     header("Location: /");
 } else {
     if($_SESSION['token'] && $_SESSION['user']){
+        unset($_SESSION['userTheme']);
         $v_user = escapeshellarg($_SESSION['user']);
         $v_session_id = escapeshellarg($_SESSION['token']);
         exec(HESTIA_CMD."v-log-user-logout ".$v_user." ".$v_session_id, $output, $return_var);