Initial release

src/Service/NewsContentSanitizer.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MummertMedia\NewsSubmissionBundle\Service;
+
+use Symfony\Component\HtmlSanitizer\HtmlSanitizer;
+use Symfony\Component\HtmlSanitizer\HtmlSanitizerConfig;
+
+class NewsContentSanitizer
+{
+    private readonly HtmlSanitizer $sanitizer;
+
+    public function __construct()
+    {
+        $config = new HtmlSanitizerConfig();
+
+        foreach (['p', 'h2', 'h3', 'strong', 'em', 'u', 'ul', 'ol', 'li'] as $tag) {
+            $config = $config->allowElement($tag);
+        }
+
+        $this->sanitizer = new HtmlSanitizer($config);
+    }
+
+    public function sanitize(string $html): string
+    {
+        return trim($this->sanitizer->sanitize($html));
+    }
+}