Ensure only valid composer names are exposed via API

html/typo3conf/ext/ter_fe2/Classes/Controller/Eid/ExtensionController.php

@@ -14,6 +14,9 @@ namespace T3o\TerFe2\Controller\Eid;
  * The TYPO3 project - inspiring people to share!
  */
 
+use TYPO3\CMS\Core\Database\ConnectionPool;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
 /**
  * Class \T3o\TerFe2\Controller\Eid\ExtensionController
  */
@@ -59,13 +62,33 @@ class ExtensionController
      */
     protected function findAllWithValidComposerName()
     {
-        $extensions = $this->databaseConnection->exec_SELECTgetRows(
-            '*',
+        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('tx_terfe2_domain_model_extension');
+        $expr = $queryBuilder->expr();
+
+        $result = $queryBuilder->select('tx_terfe2_domain_model_extension.composer_name', 'tx_terfe2_domain_model_version.composer_info')
+            ->from('tx_terfe2_domain_model_extension')
+            ->join(
                 'tx_terfe2_domain_model_extension',
-            'hidden = 0 and deleted = 0 and composer_name <> ""'
-        );
+                'tx_terfe2_domain_model_version',
+                'tx_terfe2_domain_model_version',
+                $expr->eq(
+                    'tx_terfe2_domain_model_extension.last_version',
+                    'tx_terfe2_domain_model_version.uid'
+                )
+            )
+            ->where(
+                $expr->neq(
+                    'tx_terfe2_domain_model_extension.composer_name',
+                    $queryBuilder->createNamedParameter('')
+                )
+            )
+            ->execute();
 
-        foreach ($extensions as $extension) {
+        while ($extension = $result->fetch()) {
+            $latestVersionComposerInfo = @json_decode($extension['composer_info'], true);
+            if (empty($latestVersionComposerInfo['name']) || $latestVersionComposerInfo['name'] !== $extension['composer_name']) {
+                continue;
+            }
             $this->jsonArray['data'][$extension['ext_key']] = array(
                 'composer_name' => $extension['composer_name'],
             );