installed plugin WP-WebAuthn version 1.2.8

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

@@ -0,0 +1,58 @@
+<?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 Psr\Http\Client\ClientInterface;
+use Psr\Http\Message\RequestFactoryInterface;
+use RuntimeException;
+
+abstract class UrlKeySetFactory
+{
+    /**
+     * @var ClientInterface
+     */
+    private $client;
+
+    /**
+     * @var RequestFactoryInterface
+     */
+    private $requestFactory;
+
+    /**
+     * UrlKeySetFactory constructor.
+     */
+    public function __construct(ClientInterface $client, RequestFactoryInterface $requestFactory)
+    {
+        $this->client = $client;
+        $this->requestFactory = $requestFactory;
+    }
+
+    /**
+     * @throws RuntimeException if the response content is invalid
+     */
+    protected function getContent(string $url, array $header = []): string
+    {
+        $request = $this->requestFactory->createRequest('GET', $url);
+        foreach ($header as $k => $v) {
+            $request = $request->withHeader($k, $v);
+        }
+        $response = $this->client->sendRequest($request);
+
+        if ($response->getStatusCode() >= 400) {
+            throw new RuntimeException('Unable to get the key set.', $response->getStatusCode());
+        }
+
+        return $response->getBody()->getContents();
+    }
+}