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

declare (strict_types=1);
namespace PleskMonitoring\Laminas\Diactoros\Request;

use PleskMonitoring\Laminas\Diactoros\AbstractSerializer;
use PleskMonitoring\Laminas\Diactoros\Exception;
use PleskMonitoring\Laminas\Diactoros\Request;
use PleskMonitoring\Laminas\Diactoros\Stream;
use PleskMonitoring\Laminas\Diactoros\Uri;
use PleskMonitoring\Psr\Http\Message\RequestInterface;
use PleskMonitoring\Psr\Http\Message\StreamInterface;
use function preg_match;
use function sprintf;
/**
 * Serialize (cast to string) or deserialize (cast string to Request) messages.
 *
 * This class provides functionality for serializing a RequestInterface instance
 * to a string, as well as the reverse operation of creating a Request instance
 * from a string/stream representing a message.
 */
final class Serializer extends AbstractSerializer
{
    /**
     * Deserialize a request string to a request instance.
     *
     * Internally, casts the message to a stream and invokes fromStream().
     *
     * @throws Exception\SerializationException When errors occur parsing the message.
     */
    public static function fromString(string $message) : Request
    {
        $stream = new Stream('php://temp', 'wb+');
        $stream->write($message);
        return self::fromStream($stream);
    }
    /**
     * Deserialize a request stream to a request instance.
     *
     * @throws Exception\InvalidArgumentException If the message stream is not readable or seekable.
     * @throws Exception\SerializationException If an invalid request line is detected.
     */
    public static function fromStream(StreamInterface $stream) : Request
    {
        if (!$stream->isReadable() || !$stream->isSeekable()) {
            throw new Exception\InvalidArgumentException('Message stream must be both readable and seekable');
        }
        $stream->rewind();
        [$method, $requestTarget, $version] = self::getRequestLine($stream);
        $uri = self::createUriFromRequestTarget($requestTarget);
        [$headers, $body] = self::splitStream($stream);
        return (new Request($uri, $method, $body, $headers))->withProtocolVersion($version)->withRequestTarget($requestTarget);
    }
    /**
     * Serialize a request message to a string.
     */
    public static function toString(RequestInterface $request) : string
    {
        $httpMethod = $request->getMethod();
        $headers = self::serializeHeaders($request->getHeaders());
        $body = (string) $request->getBody();
        $format = '%s %s HTTP/%s%s%s';
        if (!empty($headers)) {
            $headers = "\r\n" . $headers;
        }
        if (!empty($body)) {
            $headers .= "\r\n\r\n";
        }
        return sprintf($format, $httpMethod, $request->getRequestTarget(), $request->getProtocolVersion(), $headers, $body);
    }
    /**
     * Retrieve the components of the request line.
     *
     * Retrieves the first line of the stream and parses it, raising an
     * exception if it does not follow specifications; if valid, returns a list
     * with the method, target, and version, in that order.
     *
     * @throws Exception\SerializationException
     */
    private static function getRequestLine(StreamInterface $stream) : array
    {
        $requestLine = self::getLine($stream);
        if (!preg_match('#^(?P<method>[!\\#$%&\'*+.^_`|~a-zA-Z0-9-]+) (?P<target>[^\\s]+) HTTP/(?P<version>[1-9]\\d*\\.\\d+)$#', $requestLine, $matches)) {
            throw Exception\SerializationException::forInvalidRequestLine();
        }
        return [$matches['method'], $matches['target'], $matches['version']];
    }
    /**
     * Create and return a Uri instance based on the provided request target.
     *
     * If the request target is of authority or asterisk form, an empty Uri
     * instance is returned; otherwise, the value is used to create and return
     * a new Uri instance.
     */
    private static function createUriFromRequestTarget(string $requestTarget) : Uri
    {
        if (preg_match('#^https?://#', $requestTarget)) {
            return new Uri($requestTarget);
        }
        if (preg_match('#^(\\*|[^/])#', $requestTarget)) {
            return new Uri();
        }
        return new Uri($requestTarget);
    }
}