Implements controllers for locking and unlocking with the webdav protocol (wip)

src/Bundle/ChillDocStoreBundle/Dav/Utils/LockTokenParser.php

@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Dav\Utils;
+
+use Symfony\Component\HttpFoundation\Request;
+
+final readonly class LockTokenParser
+{
+    public function parseLockToken(Request $request): ?string
+    {
+        $token = $request->headers->get('lock-token');
+
+        if (null === $token) {
+            return null;
+        }
+        if (str_starts_with($token, '"')) {
+            $token = substr($token, 1, -1);
+        }
+
+        if (str_starts_with($token, '<')) {
+            $token = substr($token, 1);
+        }
+
+        if (str_ends_with($token, '>')) {
+            $token = substr($token, 0, -1);
+        }
+
+        if (str_ends_with($token, '"')) {
+            $token = substr($token, 1, -1);
+        }
+
+        return $token;
+    }
+}