installed plugin WP-WebAuthn version 1.2.8

wp-content/plugins/wp-webauthn/vendor/web-token/jwt-key-mgmt/X5UFactory.php

@@ -0,0 +1,56 @@
+<?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\KeyManagement;
+
+use function is_array;
+use function is_string;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\JWKSet;
+use Jose\Component\Core\Util\JsonConverter;
+use Jose\Component\KeyManagement\KeyConverter\KeyConverter;
+use RuntimeException;
+
+class X5UFactory extends UrlKeySetFactory
+{
+    /**
+     * This method will try to fetch the url a retrieve the key set.
+     * Throws an exception in case of failure.
+     *
+     * @throws RuntimeException if the response content is invalid
+     */
+    public function loadFromUrl(string $url, array $header = []): JWKSet
+    {
+        $content = $this->getContent($url, $header);
+        $data = JsonConverter::decode($content);
+        if (!is_array($data)) {
+            throw new RuntimeException('Invalid content.');
+        }
+
+        $keys = [];
+        foreach ($data as $kid => $cert) {
+            if (false === mb_strpos($cert, '-----BEGIN CERTIFICATE-----')) {
+                $cert = '-----BEGIN CERTIFICATE-----'.PHP_EOL.$cert.PHP_EOL.'-----END CERTIFICATE-----';
+            }
+            $jwk = KeyConverter::loadKeyFromCertificate($cert);
+            if (is_string($kid)) {
+                $jwk['kid'] = $kid;
+                $keys[$kid] = new JWK($jwk);
+            } else {
+                $keys[] = new JWK($jwk);
+            }
+        }
+
+        return new JWKSet($keys);
+    }
+}