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<?php declare(strict_types=1); |
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/** |
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* It's free open-source software released under the MIT License. |
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* |
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* @author Anatoly Fenric <[email protected]> |
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* @copyright Copyright (c) 2018, Anatoly Fenric |
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* @license https://github.com/sunrise-php/http-message/blob/master/LICENSE |
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* @link https://github.com/sunrise-php/http-message |
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*/ |
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namespace Sunrise\Http\Message; |
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/** |
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* Import classes |
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*/ |
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use Fig\Http\Message\StatusCodeInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\StreamInterface; |
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use Sunrise\Http\Header\HeaderInterface; |
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use InvalidArgumentException; |
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/** |
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* Import functions |
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*/ |
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use function is_int; |
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use function is_string; |
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use function preg_match; |
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use function sprintf; |
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/** |
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* HTTP Response Message |
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* |
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* @link https://tools.ietf.org/html/rfc7230 |
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* @link https://www.php-fig.org/psr/psr-7/ |
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*/ |
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class Response extends Message implements ResponseInterface, StatusCodeInterface |
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{ |
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/** |
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* The response status code |
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* |
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* @var int |
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*/ |
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protected $statusCode = self::STATUS_OK; |
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/** |
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* The response reason phrase |
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* |
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* @var string |
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*/ |
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protected $reasonPhrase = REASON_PHRASES[self::STATUS_OK]; |
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/** |
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* Constrictor of the class |
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* |
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* @param int|null $statusCode |
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* @param string|null $reasonPhrase |
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* @param array<string, string|array<string>>|null $headers |
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* @param StreamInterface|null $body |
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* @param string|null $protocolVersion |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public function __construct( |
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?int $statusCode = null, |
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?string $reasonPhrase = null, |
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?array $headers = null, |
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?StreamInterface $body = null, |
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?string $protocolVersion = null |
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) { |
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parent::__construct( |
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$headers, |
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$body, |
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$protocolVersion |
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); |
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if (isset($statusCode)) { |
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$this->setStatus($statusCode, $reasonPhrase ?? ''); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getStatusCode() : int |
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{ |
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return $this->statusCode; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getReasonPhrase() : string |
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{ |
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return $this->reasonPhrase; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public function withStatus($statusCode, $reasonPhrase = '') : ResponseInterface |
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{ |
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$clone = clone $this; |
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$clone->setStatus($statusCode, $reasonPhrase); |
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return $clone; |
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} |
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/** |
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* Sets the given status to the response |
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* |
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* @param int $statusCode |
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* @param string $reasonPhrase |
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* |
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* @return void |
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* |
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* @throws InvalidArgumentException |
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*/ |
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protected function setStatus($statusCode, $reasonPhrase) : void |
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{ |
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$this->validateStatusCode($statusCode); |
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$this->validateReasonPhrase($reasonPhrase); |
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if ('' === $reasonPhrase) { |
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$reasonPhrase = REASON_PHRASES[$statusCode] ?? 'Unknown Status Code'; |
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} |
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$this->statusCode = $statusCode; |
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$this->reasonPhrase = $reasonPhrase; |
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} |
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/** |
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* Validates the given status-code |
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* |
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* @param mixed $statusCode |
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* |
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* @return void |
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* |
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* @throws InvalidArgumentException |
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* |
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* @link https://tools.ietf.org/html/rfc7230#section-3.1.2 |
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*/ |
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protected function validateStatusCode($statusCode) : void |
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{ |
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if (!is_int($statusCode)) { |
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throw new InvalidArgumentException('HTTP status-code must be an integer'); |
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} |
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if (! ($statusCode >= 100 && $statusCode <= 599)) { |
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throw new InvalidArgumentException(sprintf('The status-code "%d" is not valid', $statusCode)); |
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} |
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} |
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/** |
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* Validates the given reason-phrase |
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* |
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* @param mixed $reasonPhrase |
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* |
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* @return void |
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* |
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* @throws InvalidArgumentException |
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* |
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* @link https://tools.ietf.org/html/rfc7230#section-3.1.2 |
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*/ |
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protected function validateReasonPhrase($reasonPhrase) : void |
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{ |
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if (!is_string($reasonPhrase)) { |
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throw new InvalidArgumentException('HTTP reason-phrase must be a string'); |
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} |
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if (!preg_match(HeaderInterface::RFC7230_FIELD_VALUE, $reasonPhrase)) { |
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throw new InvalidArgumentException(sprintf('The reason-phrase "%s" is not valid', $reasonPhrase)); |
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} |
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} |
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} |
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