First Commit

2026-07-03 16:27:34 +02:00
commit 7a7440daab
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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver;
+
+use Symfony\Component\HttpFoundation\AcceptHeader;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Attribute\MapRequestHeader;
+use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+use Symfony\Component\HttpKernel\Exception\HttpException;
+
+final class RequestHeaderValueResolver implements ValueResolverInterface
+{
+    public function resolve(Request $request, ArgumentMetadata $argument): array
+    {
+        if (!$attribute = $argument->getAttributesOfType(MapRequestHeader::class)[0] ?? null) {
+            return [];
+        }
+
+        $type = $argument->getType();
+
+        if (!\in_array($type, ['string', 'array', AcceptHeader::class])) {
+            throw new \LogicException(\sprintf('Could not resolve the argument typed "%s". Valid types are "array", "string" or "%s".', $type, AcceptHeader::class));
+        }
+
+        $name = $attribute->name ?? strtolower(preg_replace('/[a-z]\K[A-Z]/', '-$0', $argument->getName()));
+        $value = null;
+
+        if ($request->headers->has($name)) {
+            $value = match ($type) {
+                'string' => $request->headers->get($name),
+                'array' => match (strtolower($name)) {
+                    'accept' => $request->getAcceptableContentTypes(),
+                    'accept-charset' => $request->getCharsets(),
+                    'accept-language' => $request->getLanguages(),
+                    'accept-encoding' => $request->getEncodings(),
+                    default => $request->headers->all($name),
+                },
+                AcceptHeader::class => AcceptHeader::fromString($request->headers->get($name)),
+            };
+        } elseif ($argument->hasDefaultValue()) {
+            $value = $argument->getDefaultValue();
+        }
+
+        if (null === $value && 'array' === $type) {
+            $value = [];
+        }
+
+        if (null === $value && !$argument->isNullable()) {
+            throw HttpException::fromStatusCode($attribute->validationFailedStatusCode, \sprintf('Missing header "%s".', $name));
+        }
+
+        return [$value];
+    }
+}