1#@!#!123s

: / opt / psa / admin / plib / modules / grafana / vendor / laminas / laminas-diactoros / src / Response /
Filename : Serializer.php
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<?php

declare (strict_types=1);
namespace PleskGrafana\Laminas\Diactoros\Response;

use PleskGrafana\Laminas\Diactoros\AbstractSerializer;
use PleskGrafana\Laminas\Diactoros\Exception;
use PleskGrafana\Laminas\Diactoros\Response;
use PleskGrafana\Laminas\Diactoros\Stream;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;
use function preg_match;
use function sprintf;
final class Serializer extends AbstractSerializer
{
    /**
     * Deserialize a response string to a response instance.
     *
     * @throws Exception\SerializationException When errors occur parsing the message.
     */
    public static function fromString(string $message) : Response
    {
        $stream = new Stream('php://temp', 'wb+');
        $stream->write($message);
        return static::fromStream($stream);
    }
    /**
     * Parse a response from a stream.
     *
     * @throws Exception\InvalidArgumentException When the stream is not readable.
     * @throws Exception\SerializationException When errors occur parsing the message.
     */
    public static function fromStream(StreamInterface $stream) : Response
    {
        if (!$stream->isReadable() || !$stream->isSeekable()) {
            throw new Exception\InvalidArgumentException('Message stream must be both readable and seekable');
        }
        $stream->rewind();
        [$version, $status, $reasonPhrase] = self::getStatusLine($stream);
        [$headers, $body] = self::splitStream($stream);
        return (new Response($body, $status, $headers))->withProtocolVersion($version)->withStatus((int) $status, $reasonPhrase);
    }
    /**
     * Create a string representation of a response.
     */
    public static function toString(ResponseInterface $response) : string
    {
        $reasonPhrase = $response->getReasonPhrase();
        $headers = self::serializeHeaders($response->getHeaders());
        $body = (string) $response->getBody();
        $format = 'HTTP/%s %d%s%s%s';
        if (!empty($headers)) {
            $headers = "\r\n" . $headers;
        }
        $headers .= "\r\n\r\n";
        return sprintf($format, $response->getProtocolVersion(), $response->getStatusCode(), $reasonPhrase ? ' ' . $reasonPhrase : '', $headers, $body);
    }
    /**
     * Retrieve the status line for the message.
     *
     * @return array Array with three elements: 0 => version, 1 => status, 2 => reason
     * @throws Exception\SerializationException If line is malformed.
     */
    private static function getStatusLine(StreamInterface $stream) : array
    {
        $line = self::getLine($stream);
        if (!preg_match('#^HTTP/(?P<version>[1-9]\\d*\\.\\d) (?P<status>[1-5]\\d{2})(\\s+(?P<reason>.+))?$#', $line, $matches)) {
            throw Exception\SerializationException::forInvalidStatusLine();
        }
        return [$matches['version'], (int) $matches['status'], $matches['reason'] ?? ''];
    }
}