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<?php |
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declare(strict_types=1); |
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namespace GraphQL\Upload; |
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use GraphQL\Error\Error; |
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use GraphQL\Error\InvariantViolation; |
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use GraphQL\Language\AST\Node; |
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use GraphQL\Type\Definition\ScalarType; |
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use GraphQL\Utils\Utils; |
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use Psr\Http\Message\UploadedFileInterface; |
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use UnexpectedValueException; |
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final class UploadType extends ScalarType |
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{ |
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public string $name = 'Upload'; |
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public ?string $description |
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= 'The `Upload` special type represents a file to be uploaded in the same HTTP request as specified by |
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[graphql-multipart-request-spec](https://github.com/jaydenseric/graphql-multipart-request-spec).'; |
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/** |
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* Serializes an internal value to include in a response. |
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*/ |
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public function serialize(mixed $value): never |
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{ |
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throw new InvariantViolation('`Upload` cannot be serialized'); |
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} |
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/** |
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* Parses an externally provided value (query variable) to use as an input. |
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*/ |
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public function parseValue(mixed $value): UploadedFileInterface |
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{ |
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if (!$value instanceof UploadedFileInterface) { |
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throw new UnexpectedValueException('Could not get uploaded file, be sure to conform to GraphQL multipart request specification. Instead got: ' . Utils::printSafe($value)); |
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} |
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$error = $value->getError(); |
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if ($error !== UPLOAD_ERR_OK) { |
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throw new UploadError($error); |
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} |
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return $value; |
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} |
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/** |
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* Parses an externally provided literal value (hardcoded in GraphQL query) to use as an input. |
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*/ |
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public function parseLiteral(Node $valueNode, ?array $variables = null): mixed |
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{ |
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throw new Error('`Upload` cannot be hardcoded in query, be sure to conform to GraphQL multipart request specification. Instead got: ' . $valueNode->kind, $valueNode); |
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} |
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} |
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Ecodev /
graphql-upload
