updated plugin WP-WebAuthn version 1.3.1

wp-content/plugins/wp-webauthn/wp-webauthn-vendor/web-auth/webauthn-lib/src/StringStream.php

@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2021 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Webauthn;
+
+use Assert\Assertion;
+use CBOR\Stream;
+use function Safe\fclose;
+use function Safe\fopen;
+use function Safe\fread;
+use function Safe\fwrite;
+use function Safe\rewind;
+use function Safe\sprintf;
+
+final class StringStream implements Stream
+{
+    /**
+     * @var resource
+     */
+    private $data;
+
+    /**
+     * @var int
+     */
+    private $length;
+
+    /**
+     * @var int
+     */
+    private $totalRead = 0;
+
+    public function __construct(string $data)
+    {
+        $this->length = mb_strlen($data, '8bit');
+        $resource = fopen('php://memory', 'rb+');
+        fwrite($resource, $data);
+        rewind($resource);
+        $this->data = $resource;
+    }
+
+    public function read(int $length): string
+    {
+        if (0 === $length) {
+            return '';
+        }
+        $read = fread($this->data, $length);
+        $bytesRead = mb_strlen($read, '8bit');
+        Assertion::length($read, $length, sprintf('Out of range. Expected: %d, read: %d.', $length, $bytesRead), null, '8bit');
+        $this->totalRead += $bytesRead;
+
+        return $read;
+    }
+
+    public function close(): void
+    {
+        fclose($this->data);
+    }
+
+    public function isEOF(): bool
+    {
+        return $this->totalRead === $this->length;
+    }
+}