Remove car monitor auth DB fallback

monitor.php

@@ -891,30 +891,6 @@ function car_monitor_launcher_session(): array
         }
     }
 
-    $commonAuth = '/mnt/synology-web/custom/common/auth.php';
-    if (is_readable($commonAuth)) {
-        require_once $commonAuth;
-
-        if (function_exists('custom_has_auth_cookie') && custom_has_auth_cookie()) {
-            $isAdmin = function_exists('custom_auth_cookie_is_admin') && custom_auth_cookie_is_admin();
-            $session = ['authenticated' => true, 'admin' => $isAdmin];
-            return $session;
-        }
-
-        if (function_exists('custom_is_site_admin') && custom_is_site_admin()) {
-            if (function_exists('custom_issue_auth_cookie')) {
-                custom_issue_auth_cookie(true);
-            }
-            $session = ['authenticated' => true, 'admin' => true];
-            return $session;
-        }
-    }
-
-    if ($cookieHeader === '') {
-        $session = ['authenticated' => false, 'admin' => false];
-        return $session;
-    }
-
     $session = ['authenticated' => false, 'admin' => false];
     return $session;
 }
@@ -1040,12 +1016,13 @@ function car_monitor_issue_pwa_cookie_if_requested(): void
 
     require_once $commonAuth;
     if (function_exists('custom_issue_auth_cookie')) {
-        if (function_exists('custom_has_auth_cookie') && custom_has_auth_cookie()) {
-            header('Location: /car/monitor.php', true, 302);
-            exit;
+        $cookieHeader = trim((string)($_SERVER['HTTP_COOKIE'] ?? ''));
+        $remoteSession = $cookieHeader !== ''
+            ? car_monitor_launcher_api_request('GET', 'https://chaegeon.com/custom/launcher/api.php?session=1', null, $cookieHeader)
+            : null;
+        if (is_array($remoteSession) && !empty($remoteSession['authenticated'])) {
+            custom_issue_auth_cookie(!empty($remoteSession['admin']));
         }
-        $isAdmin = function_exists('custom_is_site_admin') && custom_is_site_admin();
-        custom_issue_auth_cookie($isAdmin);
     }
 
     header('Location: /car/monitor.php', true, 302);
@@ -1083,14 +1060,6 @@ function car_monitor_auth_api(): void
         json_response(['result' => 'ok']);
     }
 
-    try {
-        if (function_exists('custom_verify_password') && custom_verify_password($password)) {
-            custom_issue_auth_cookie(false);
-            json_response(['result' => 'ok']);
-        }
-    } catch (Throwable $e) {
-    }
-
     json_response(['result' => 'fail'], 401);
 }