fix(backend): enhance folder label retrieval with session cache option and warning for direct server access

Author: kambereBr

modules/imap/handler_modules.php

@@ -566,10 +566,21 @@ public function process() {
                     $mailbox = Hm_IMAP_List::get_mailbox_without_connection($details);
                     $label = $mailbox->get_folder_name($folder);
                     if(!$label) {
-                        $paths = explode("_", $path);
-                        $short_path = $paths[0] . "_" . $paths[1] . "_";
-                        $cached_folders = $this->cache->get('imap_folders_'.$short_path, true);
-                        $label = !empty($cached_folders[$folder]['name']) ? $cached_folders[$folder]['name'] : '';
+                        if ($this->config->get('allow_session_cache', false)) {
+                            $paths = explode("_", $path);
+                            $short_path = $paths[0] . "_" . $paths[1] . "_";
+                            $cached_folders = $this->cache->get('imap_folders_'.$short_path, true);
+                            $label = !empty($cached_folders[$folder]['name']) ? $cached_folders[$folder]['name'] : '';
+                        } else {
+                            Hm_Msgs::add('Folder name loaded directly from the server. This may be slower. Enable session caching for better performance.', 'warning');
+                            if (isset($details['type']) && $details['type'] === 'ews') {
+                                $connected_mailbox = Hm_IMAP_List::get_connected_mailbox($parts[1], $this->cache);
+                                if ($connected_mailbox && $connected_mailbox->authed()) {
+                                    $folder_status = $connected_mailbox->get_folder_status($folder, false);
+                                    $label = $folder_status['name'] ?? null;
+                                }
+                            }
+                        }
                     }
                     $title = array(strtoupper($details['type'] ?? 'IMAP'), $details['name'], $label);
                     if ($this->get('list_page', 0)) {