8000 [HttpKernel] Add MapUploadedFile attribute · symfony/symfony@dc068fb · GitHub
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[HttpKernel] Add MapUploadedFile attribute
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+406
-9
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6 files changed

+406
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‎src/Symfony/Component/HttpKernel/Attribute/MapUploadedFile.php

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,33 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpKernel\Attribute;
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use Symfony\Component\HttpFoundation\Response;
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use Symfony\Component\HttpKernel\Controller\ArgumentResolver\RequestPayloadValueResolver;
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use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
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use Symfony\Component\Validator\Constraint;
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#[\Attribute(\Attribute::TARGET_PARAMETER)]
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class MapUploadedFile extends ValueResolver
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{
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public ArgumentMetadata $metadata;
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public function __construct(
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/** @var Constraint|array<Constraint>|null */
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public Constraint|array|null $constraints = null,
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public ?string $name = null,
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string $resolver = RequestPayloadValueResolver::class,
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public readonly int $validationFailedStatusCode = Response::HTTP_UNPROCESSABLE_ENTITY,
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) {
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parent::__construct($resolver);
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}
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}

‎src/Symfony/Component/HttpKernel/CHANGELOG.md

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@@ -9,6 +9,7 @@ CHANGELOG
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* Add `$validationFailedStatusCode` argument to `#[MapQueryParameter]` that allows setting a custom HTTP status code when validation fails
1010
* Add `NearMissValueResolverException` to let value resolvers report when an argument could be under their watch but failed to be resolved
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* Add `$type` argument to `#[MapRequestPayload]` that allows mapping a list of items
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* Add `#[MapUploadedFile]` attribute to fetch, validate, and inject uploaded files into controller arguments
1213

1314
7.0
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---

‎src/Symfony/Component/HttpKernel/Controller/ArgumentResolver/RequestPayloadValueResolver.php

Lines changed: 27 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -12,9 +12,11 @@
1212
namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver;
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1414
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
15+
use Symfony\Component\HttpFoundation\File\UploadedFile;
1516
use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpKernel\Attribute\MapQueryString;
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use Symfony\Component\HttpKernel\Attribute\MapRequestPayload;
19+
use Symfony\Component\HttpKernel\Attribute\MapUploadedFile;
1820
use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
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use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
2022
use Symfony\Component\HttpKernel\Event\ControllerArgumentsEvent;
@@ -29,6 +31,7 @@
2931
use Symfony\Component\Serializer\Exception\UnsupportedFormatException;
3032
use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
3133
use Symfony\Component\Serializer\SerializerInterface;
34+
use Symfony\Component\Validator\Constraints as Assert;
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use Symfony\Component\Validator\ConstraintViolation;
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use Symfony\Component\Validator\ConstraintViolationList;
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use Symfony\Component\Validator\Exception\ValidationFailedException;
@@ -69,13 +72,14 @@ public function resolve(Request $request, ArgumentMetadata $argument): iterable
6972
{
7073
$attribute = $argument->getAttributesOfType(MapQueryString::class, ArgumentMetadata::IS_INSTANCEOF)[0]
7174
?? $argument->getAttributesOfType(MapRequestPayload::class, ArgumentMetadata::IS_INSTANCEOF)[0]
75+
?? $argument->getAttributesOfType(MapUploadedFile::class, ArgumentMetadata::IS_INSTANCEOF)[0]
7276
?? null;
7377

7478
if (!$attribute) {
7579
return [];
7680
}
7781

78-
if ($argument->isVariadic()) {
82+
if (!$attribute instanceof MapUploadedFile && $argument->isVariadic()) {
7983
throw new \LogicException(sprintf('Mapping variadic argument "$%s" is not supported.', $argument->getName()));
8084
}
8185

@@ -105,19 +109,22 @@ public function onKernelControllerArguments(ControllerArgumentsEvent $event): vo
105109
} elseif ($argument instanceof MapRequestPayload) {
106110
$payloadMapper = 'mapRequestPayload';
107111
$validationFailedCode = $argument->validationFailedStatusCode;
112+
} elseif ($argument instanceof MapUploadedFile) {
113+
$payloadMapper = 'mapUploadedFile';
114+
$validationFailedCode = $argument->validationFailedStatusCode;
108115
} else {
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continue;
110117
}
111118
$request = $event->getRequest();
112119

113-
if (!$type = $argument->metadata->getType()) {
120+
if (!$argument->metadata->getType()) {
114121
throw new \LogicException(sprintf('Could not resolve the "$%s" controller argument: argument should be typed.', $argument->metadata->getName()));
115122
}
116123

117124
if ($this->validator) {
118125
$violations = new ConstraintViolationList();
119126
try {
120-
$payload = $this->$payloadMapper($request, $type, $argument);
127+
$payload = $this->$payloadMapper($request, $argument->metadata, $argument);
121128
} catch (PartialDenormalizationException $e) {
122129
$trans = $this->translator ? $this->translator->trans(...) : fn ($m, $p) => strtr($m, $p);
123130
foreach ($e->getErrors() as $error) {
@@ -137,15 +144,19 @@ public function onKernelControllerArguments(ControllerArgumentsEvent $event): vo
137144
}
138145

139146
if (null !== $payload && !\count($violations)) {
140-
$violations->addAll($this->validator->validate($payload, null, $argument->validationGroups ?? null));
147+
$constraints = $argument->constraints ?? null;
148+
if (\is_array($payload) && !empty($constraints) && !$constraints instanceof Assert\All) {
149+
$constraints = new Assert\All($constraints);
150+
}
151+
$violations->addAll($this->validator->validate($payload, $constraints, $argument->validationGroups ?? null));
141152
}
142153

143154
if (\count($violations)) {
144155
throw HttpException::fromStatusCode($validationFailedCode, implode("\n", array_map(static fn ($e) => $e->getMessage(), iterator_to_array($violations))), new ValidationFailedException($payload, $violations));
145156
}
146157
} else {
147158
try {
148-
$payload = $this->$payloadMapper($request, $type, $argument);
159+
$payload = $this->$payloadMapper($request, $argument->metadata, $argument);
149160
} catch (PartialDenormalizationException $e) {
150161
throw HttpException::fromStatusCode($validationFailedCode, implode("\n", array_map(static fn ($e) => $e->getMessage(), $e->getErrors())), $e);
151162
}
@@ -172,16 +183,16 @@ public static function getSubscribedEvents(): array
172183
];
173184
}
174185

175-
private function mapQueryString(Request $request, string $type, MapQueryString $attribute): ?object
186+
private function mapQueryString(Request $request, ArgumentMetadata $argument, MapQueryString $attribute): ?object
176187
{
177188
if (!$data = $request->query->all()) {
178189
return null;
179190
}
180191

181-
return $this->serializer->denormalize($data, $type, null, $attribute->serializationContext + self::CONTEXT_DENORMALIZE + ['filter_bool' => true]);
192+
return $this->serializer->denormalize($data, $argument->getType(), null, $attribute->serializationContext + self::CONTEXT_DENORMALIZE + ['filter_bool' => true]);
182193
}
183194

184-
private function mapRequestPayload(Request $request, string $type, MapRequestPayload $attribute): object|array|null
195+
private function mapRequestPayload(Request $request, ArgumentMetadata $argument, MapRequestPayload $attribute): object|array|null
185196
{
186197
if (null === $format = $request->getContentTypeFormat()) {
187198
throw new UnsupportedMediaTypeHttpException('Unsupported format.');
@@ -191,8 +202,10 @@ private function mapRequestPayload(Request $request, string $type, MapRequestPay
191202
throw new UnsupportedMediaTypeHttpException(sprintf('Unsupported format, expects "%s", but "%s" given.', implode('", "', (array) $attribute->acceptFormat), $format));
192203
}
193204

194-
if ('array' === $type && null !== $attribute->type) {
205+
if ('array' === $argument->getType() && null !== $attribute->type) {
195206
$type = $attribute->type.'[]';
207+
} else {
208+
$type = $argument->getType();
196209
}
197210

198211
if ($data = $request->request->all()) {
@@ -217,4 +230,9 @@ private function mapRequestPayload(Request $request, string $type, MapRequestPay
217230
throw new BadRequestHttpException(sprintf('Request payload contains invalid "%s" property.', $e->property), $e);
218231
}
219232
}
233+
234+
private function mapUploadedFile(Request $request, ArgumentMetadata $argument, MapUploadedFile $attribute): UploadedFile|array|null
235+
{
236+
return $request->files->get($attribute->name ?? $argument->getName(), []);
237+
}
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}

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