Use Request object

lib/AppInfo/Application.php

@@ -49,6 +49,11 @@ class Application extends App implements IBootstrap
      */
     protected $user;
 
+    /**
+     * @var Request
+     */
+    protected $request;
+
     public function __construct(array $urlParams = [])
     {
         parent::__construct(self::APP_ID, $urlParams);
@@ -96,6 +101,7 @@ class Application extends App implements IBootstrap
         $this->config = \OC::$server->getConfig();
         $this->cspnm = \OC::$server->getContentSecurityPolicyNonceManager();
         $this->user = \OC::$server[IUserSession::class]->getUser();
+        $this->request = \OC::$server->getRequest();
 
         if (!$this->isEnabled()) {
             return;
@@ -106,7 +112,7 @@ class Application extends App implements IBootstrap
 
     protected function isEnabled(): bool
     {
-        if (isset($_SERVER["HTTP_USER_AGENT"]) && preg_match('/MemoriesNative/', $_SERVER['HTTP_USER_AGENT'])) {
+        if (isset($this->request->server['HTTP_USER_AGENT']) && preg_match('/MemoriesNative/', $this->request->server['HTTP_USER_AGENT'])) {
             return false;
         }