feat: replace cookie to store tracking code with native php session

public/typo3conf/ext/ep_track/Classes/Middleware/TrackingMiddleware.php

@@ -29,7 +29,6 @@ namespace EP\EpTrack\Middleware;
 
 use Doctrine\DBAL\DBALException;
 use EP\EpProducts\Traits\DbConnectionTrait;
-use EP\EpProducts\Utility\CookieUtility;
 use Exception;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
@@ -102,7 +101,7 @@ class TrackingMiddleware implements MiddlewareInterface
         $trackingCode = $redirect['tracking_code'];
 
         if (!empty($trackingCode)) {
-            CookieUtility::setPaCookie($trackingCode);
+            $this->saveTrackingCodeToSession($trackingCode);
         }
 
         $targetPage = $redirect['target_page_uid'];
@@ -159,7 +158,7 @@ class TrackingMiddleware implements MiddlewareInterface
 
         $urlItems = GeneralUtility::trimExplode('/', $path, true);
         $code = array_pop($urlItems);
-        CookieUtility::setPaCookie($code);
+        $this->saveTrackingCodeToSession($code);
         $uri = '/';
         if (count($urlItems) > 0) {
             $uri = '/' . implode('/', $urlItems) . '/';
@@ -170,4 +169,13 @@ class TrackingMiddleware implements MiddlewareInterface
 
         return $uri;
     }
+
+    private function saveTrackingCodeToSession(string $trackingCode)
+    {
+        if ('' === session_id()) {
+            session_start();
+        }
+
+        $_SESSION['ep_trk'] = $trackingCode;
+    }
 }