From: Tim Düsterhus <duesterhus@woltlab.com>
Date: Mon, 8 Aug 2022 09:38:18 +0000 (+0200)
Subject: Add `\wcf\http\Helper`
X-Git-Tag: 6.0.0_Alpha_1~1059^2~1
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0633e4d467698698c8ece9b99ee2e6e0ff4e5297;p=GitHub%2FWoltLab%2FWCF.git

Add `\wcf\http\Helper`
---

diff --git a/wcfsetup/install/files/lib/http/Helper.class.php b/wcfsetup/install/files/lib/http/Helper.class.php
new file mode 100644
index 0000000000..6dec16e390
--- /dev/null
+++ b/wcfsetup/install/files/lib/http/Helper.class.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace wcf\http;
+
+use Psr\Http\Message\ServerRequestInterface;
+
+/**
+ * Provides various helper methods for PSR-7/PSR-15 request processing.
+ *
+ * @author  Tim Duesterhus
+ * @copyright   2001-2022 WoltLab GmbH
+ * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package WoltLabSuite\Core\Http
+ * @since   6.0
+ */
+final class Helper
+{
+    /**
+     * Returns whether the request's 'x-requested-with' header is equal
+     * to 'XMLHttpRequest'.
+     */
+    public static function isAjaxRequest(ServerRequestInterface $request): bool
+    {
+        return $request->getHeaderLine('x-requested-with') === 'XMLHttpRequest';
+    }
+
+    /**
+     * Forbid creation of Helper objects.
+     */
+    private function __construct()
+    {
+        // does nothing
+    }
+}