primo commit

libraries/vendor/web-token/jwt-library/KeyManagement/JKUFactory.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\KeyManagement;
+
+use Jose\Component\Core\JWKSet;
+use Jose\Component\Core\Util\JsonConverter;
+use RuntimeException;
+use function is_array;
+
+class JKUFactory extends UrlKeySetFactory
+{
+    /**
+     * This method will try to fetch the url a retrieve the key set. Throws an exception in case of failure.
+     */
+    public function loadFromUrl(string $url, array $header = []): JWKSet
+    {
+        $content = $this->getContent($url, $header);
+        $data = JsonConverter::decode($content);
+        if (! is_array($data)) {
+            throw new RuntimeException('Invalid content.');
+        }
+
+        return JWKSet::createFromKeyData($data);
+    }
+}