1 files changed, 113 insertions, 0 deletions
diff --git a/services/app/src/Middlewares/TrailingSlash.php b/services/app/src/Middlewares/TrailingSlash.php
new file mode 100644
index 0000000..cd0f333
--- /dev/null
+++ b/services/app/src/Middlewares/TrailingSlash.php
@@ -0,0 +1,113 @@
+<?php
+
+declare(strict_types=1);
+
+// phpcs:disable
+/*
+ * Based on https://github.com/middlewares/trailing-slash
+ *
+ * Original license:
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+// phpcs:enable
+
+namespace Nsfisis\Albatross\Middlewares;
+
+use Psr\Http\Message\ResponseFactoryInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+class TrailingSlash implements MiddlewareInterface
+{
+    /**
+     * @var bool Add or remove the slash
+     */
+    private $trailingSlash;
+
+    /**
+     * @var ResponseFactoryInterface|null
+     */
+    private $responseFactory;
+
+    /**
+     * Configure whether add or remove the slash.
+     */
+    public function __construct(bool $trailingSlash = false)
+    {
+        $this->trailingSlash = $trailingSlash;
+    }
+
+    /**
+     * Whether returns a 301 response to the new path.
+     */
+    public function redirect(ResponseFactoryInterface $responseFactory): self
+    {
+        $this->responseFactory = $responseFactory;
+
+        return $this;
+    }
+
+    /**
+     * Process a request and return a response.
+     */
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $uri = $request->getUri();
+        $path = $this->normalize($uri->getPath());
+
+        if (isset($this->responseFactory) && ($uri->getPath() !== $path)) {
+            return $this->responseFactory->createResponse(301)
+                ->withHeader('Location', $path);
+        }
+
+        return $handler->handle($request->withUri($uri->withPath($path)));
+    }
+
+    /**
+     * Normalize the trailing slash.
+     */
+    private function normalize(string $path): string
+    {
+        if ($path === '') {
+            return '/';
+        }
+        if (str_contains($path, '/api/')) {
+            return $path;
+        }
+
+        if (strlen($path) > 1) {
+            if ($this->trailingSlash) {
+                if (substr($path, -1) !== '/' && pathinfo($path, PATHINFO_EXTENSION) === '') {
+                    return $path . '/';
+                }
+            } else {
+                return rtrim($path, '/');
+            }
+        }
+
+        return $path;
+    }
+}