installed plugin WP-WebAuthn version 1.2.8

wp-content/plugins/wp-webauthn/vendor/web-token/jwt-signature/JWSTokenSupport.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2020 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature;
+
+use InvalidArgumentException;
+use Jose\Component\Checker\TokenTypeSupport;
+use Jose\Component\Core\JWT;
+
+final class JWSTokenSupport implements TokenTypeSupport
+{
+    public function supports(JWT $jwt): bool
+    {
+        return $jwt instanceof JWS;
+    }
+
+    /**
+     * @throws InvalidArgumentException if the signature index does not exist
+     */
+    public function retrieveTokenHeaders(JWT $jwt, int $index, array &$protectedHeader, array &$unprotectedHeader): void
+    {
+        if (!$jwt instanceof JWS) {
+            return;
+        }
+
+        if ($index > $jwt->countSignatures()) {
+            throw new InvalidArgumentException('Unknown signature index.');
+        }
+        $protectedHeader = $jwt->getSignature($index)->getProtectedHeader();
+        $unprotectedHeader = $jwt->getSignature($index)->getHeader();
+    }
+}