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api-platform / core / 14635100171

24 Apr 2025 06:39AM UTC coverage: 8.271% (+0.02%) from 8.252%
14635100171

Pull #6904

github

web-flow
Merge c9cefd82e into a3e5e53ea
Pull Request #6904: feat(graphql): added support for graphql subscriptions to work for actions

0 of 73 new or added lines in 3 files covered. (0.0%)

1999 existing lines in 144 files now uncovered.

13129 of 158728 relevant lines covered (8.27%)

13.6 hits per line

Source File
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93.62
/src/Metadata/Util/ContentNegotiationTrait.php
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<?php
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/*
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 * This file is part of the API Platform project.
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 *
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 * (c) Kévin Dunglas <dunglas@gmail.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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declare(strict_types=1);
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namespace ApiPlatform\Metadata\Util;
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use Negotiation\Negotiator;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpKernel\Exception\NotAcceptableHttpException;
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
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/**
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 * @internal
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 */
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trait ContentNegotiationTrait
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{
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    private Negotiator $negotiator;
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    /**
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     * Gets the format associated with the mime type.
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     *
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     * Adapted from {@see Request::getFormat}.
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     *
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     * @param array<string, string|string[]> $formats
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     */
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    private function getMimeTypeFormat(string $mimeType, array $formats): ?string
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    {
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        $canonicalMimeType = null;
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        $pos = strpos($mimeType, ';');
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        if (false !== $pos) {
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            $canonicalMimeType = trim(substr($mimeType, 0, $pos));
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        }
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        foreach ($formats as $format => $mimeTypes) {
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            if (\in_array($mimeType, $mimeTypes, true)) {
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                return $format;
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            }
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            if (null !== $canonicalMimeType && \in_array($canonicalMimeType, $mimeTypes, true)) {
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                return $format;
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            }
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        }
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        return null;
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    }
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    /**
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     * Flattened the list of MIME types.
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     *
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     * @param array<string, string|string[]> $formats
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     *
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     * @return array<string, string>
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     */
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    private function flattenMimeTypes(array $formats): array
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    {
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        $flattenedMimeTypes = [];
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        foreach ($formats as $format => $mimeTypes) {
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            foreach ($mimeTypes as $mimeType) {
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                $flattenedMimeTypes[$mimeType] = $format;
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            }
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        }
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        return $flattenedMimeTypes;
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    }
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    /**
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     * @param array<string, string|string[]> $formats
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     */
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    private function getRequestFormat(Request $request, array $formats, bool $throw = true): string
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    {
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        $mimeTypes = [];
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        $flattenedMimeTypes = [];
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        if ($routeFormat = $request->attributes->get('_format') ?: null) {
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            if (isset($formats[$routeFormat])) {
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                $mimeTypes = Request::getMimeTypes($routeFormat);
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                $flattenedMimeTypes = $this->flattenMimeTypes([$routeFormat => $mimeTypes]);
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            } elseif ($throw) {
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                throw new NotFoundHttpException(\sprintf('Format "%s" is not supported', $routeFormat));
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            }
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        }
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        if (!$mimeTypes) {
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            $flattenedMimeTypes = $this->flattenMimeTypes($formats);
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            $mimeTypes = array_keys($flattenedMimeTypes);
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        }
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        // First, try to guess the format from the Accept header
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        /** @var string|null $accept */
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        $accept = $request->headers->get('Accept');
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        if (null !== $accept) {
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            if ($mediaType = $this->negotiator->getBest($accept, $mimeTypes)) {
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                return $this->getMimeTypeFormat($mediaType->getType(), $formats);
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            }
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            if ($throw) {
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                throw $this->getNotAcceptableHttpException($accept, $flattenedMimeTypes);
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            }
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        }
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        // Then, use the Symfony request format if available and applicable
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        $requestFormat = $request->getRequestFormat('') ?: null;
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        if (null !== $requestFormat) {
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            $mimeType = $request->getMimeType($requestFormat);
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            if (isset($flattenedMimeTypes[$mimeType])) {
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                return $requestFormat;
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            }
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            if ($throw) {
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                throw $this->getNotAcceptableHttpException($mimeType, $flattenedMimeTypes);
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            }
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        }
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        // Finally, if no Accept header nor Symfony request format is set, return the default format
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        return array_key_first($formats);
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    }
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    /**
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     * Retrieves an instance of NotAcceptableHttpException.
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     */
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    private function getNotAcceptableHttpException(string $accept, array $mimeTypes): NotAcceptableHttpException
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    {
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        return new NotAcceptableHttpException(\sprintf(
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            'Requested format "%s" is not supported. Supported MIME types are "%s".',
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            $accept,
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            implode('", "', array_keys($mimeTypes))
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        ));
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    }
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    /**
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     * Adds the supported formats to the request.
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     *
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     * This is necessary for {@see Request::getMimeType} and {@see Request::getMimeTypes} to work.
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     *
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     * @param array<string, string|string[]> $formats
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     */
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    private function addRequestFormats(Request $request, array $formats): void
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    {
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        foreach ($formats as $format => $mimeTypes) {
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            $request->setFormat($format, (array) $mimeTypes);
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        }
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    }
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}
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