Make custom redirects domain based

public/typo3conf/ext/ep_track/Classes/Hook/ItemsProcFunc.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace EP\EpTrack\Hook;
+
+use TYPO3\CMS\Core\Site\Entity\Site;
+use TYPO3\CMS\Core\Site\SiteFinder;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+class ItemsProcFunc
+{
+    /**
+     * @param $config
+     */
+    public function user_domainItems(&$config)
+    {
+        $siteFinder = GeneralUtility::makeInstance(SiteFinder::class);
+        $domains = [
+            ['*', '*'],
+        ];
+        foreach ($siteFinder->getAllSites() as $site) {
+            /** @var Site $site */
+            $domains[] = [$site->getBase()->getHost(), $site->getBase()->getHost()];
+        }
+        $config['items'] = $domains;
+    }
+}

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

@@ -76,6 +76,7 @@ class TrackingMiddleware implements MiddlewareInterface
     {
         /** @var NormalizedParams $params */
         $params = $request->getAttribute('normalizedParams');
+        $sourceHost = $params->getHttpHost();
         $uri = strtok(strtolower($params->getRequestUri()), '?');
 
         if (substr($uri, -1) !== '/') {
@@ -88,6 +89,10 @@ class TrackingMiddleware implements MiddlewareInterface
             ->select('*')
             ->from('tx_eptrack_domain_model_redirect')
             ->where('redirect_from = LOWER(:uri)')
+            ->andWhere($qb->expr()->orX(
+                $qb->expr()->eq('source_host', $qb->createNamedParameter('*')),
+                $qb->expr()->eq('source_host', $qb->createNamedParameter($sourceHost))
+            ))
             ->andWhere('deleted = 0')
             ->andWhere('hidden = 0')
             ->setParameter('uri', $uri)