78 lines
2.7 KiB
PHP
78 lines
2.7 KiB
PHP
<?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\Controller\ArgumentResolver;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
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use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
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/**
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* Yields a non-variadic argument's value from the request attributes.
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*
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* @author Iltar van der Berg <kjarli@gmail.com>
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*/
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final class RequestAttributeValueResolver implements ValueResolverInterface
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{
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public function resolve(Request $request, ArgumentMetadata $argument): array
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{
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if ($argument->isVariadic()) {
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return [];
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}
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$name = $argument->getName();
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if (!$request->attributes->has($name)) {
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return [];
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}
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$value = $request->attributes->get($name);
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if (null === $value && $argument->isNullable()) {
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return [null];
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}
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$type = $argument->getType();
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// Skip when no type declaration or complex types; fall back to other resolvers/defaults
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if (null === $type || str_contains($type, '|') || str_contains($type, '&')) {
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return [$value];
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}
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if ('string' === $type) {
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if (!\is_scalar($value) && !$value instanceof \Stringable) {
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throw new NotFoundHttpException(\sprintf('The value for the "%s" route parameter is invalid.', $name));
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}
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$value = (string) $value;
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} elseif ('bool' === $type) {
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if (null === $value = filter_var($value, \FILTER_VALIDATE_BOOL, ['flags' => \FILTER_NULL_ON_FAILURE | \FILTER_REQUIRE_SCALAR])) {
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throw new NotFoundHttpException(\sprintf('The value for the "%s" route parameter is invalid.', $name));
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}
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} elseif (null !== $cast = match ($type) {
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'int' => static fn (int $v): int => $v,
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'float' => static fn (float $v): float => $v,
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default => null,
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}) {
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// Coerce the value as PHP would when passing it to the typed controller
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// argument, so a zero-padded "06" still resolves to 6 while a value that
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// would raise a TypeError (overflow, "abc") becomes a 404.
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try {
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$value = $cast($value);
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} catch (\TypeError) {
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throw new NotFoundHttpException(\sprintf('The value for the "%s" route parameter is invalid.', $name));
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}
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}
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return [$value];
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}
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}
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