ServerRequest.php

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<?php
namespace TYPO3\CMS\Core\Http;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UploadedFileInterface;

class ServerRequest extends Request implements ServerRequestInterface
{
    protected $attributes;

    protected $cookieParams;

    protected $parsedBody;

    protected $queryParams;

    protected $serverParams;

    protected $uploadedFiles;

    public function __construct($uri = null, $method = null, $body = 'php://input', array $headers = array(), array $serverParams = array(), array $uploadedFiles = null)
    {
        if ($uploadedFiles !== null) {
            $this->validateUploadedFiles($uploadedFiles);
        }

        parent::__construct($uri, $method, $body, $headers);

        $this->serverParams  = $serverParams;
        $this->uploadedFiles = $uploadedFiles;
    }

    public function getServerParams()
    {
        return $this->serverParams;
    }

    public function getCookieParams()
    {
        return $this->cookieParams;
    }

    public function withCookieParams(array $cookies)
    {
        $clonedObject = clone $this;
        $clonedObject->cookieParams = $cookies;
        return $clonedObject;
    }

    public function getQueryParams()
    {
        return $this->queryParams;
    }

    public function withQueryParams(array $query)
    {
        $clonedObject = clone $this;
        $clonedObject->queryParams = $query;
        return $clonedObject;
    }

    public function getUploadedFiles()
    {
        return $this->uploadedFiles;
    }

    public function withUploadedFiles(array $uploadedFiles)
    {
        $this->validateUploadedFiles($uploadedFiles);
        $clonedObject = clone $this;
        $clonedObject->uploadedFiles = $uploadedFiles;
        return $clonedObject;
    }

    public function getParsedBody()
    {
        return $this->parsedBody;
    }

    public function withParsedBody($data)
    {
        $clonedObject = clone $this;
        $clonedObject->parsedBody = $data;
        return $clonedObject;
    }

    public function getAttributes()
    {
        return $this->attributes;
    }

    public function getAttribute($name, $default = null)
    {
        return isset($this->attributes[$name]) ? $this->attributes[$name] : $default;
    }

    public function withAttribute($name, $value)
    {
        $clonedObject = clone $this;
        $clonedObject->attributes[$name] = $value;
        return $clonedObject;
    }

    public function withoutAttribute($name)
    {
        $clonedObject = clone $this;
        if (!isset($clonedObject->attributes[$name])) {
            return $clonedObject;
        } else {
            unset($clonedObject->attributes[$name]);
            return $clonedObject;
        }
    }

    protected function validateUploadedFiles(array $uploadedFiles)
    {
        foreach ($uploadedFiles as $file) {
            if (is_array($file)) {
                $this->validateUploadedFiles($file);
                continue;
            }
            if (!$file instanceof UploadedFileInterface) {
                throw new \InvalidArgumentException('Invalid file in uploaded files structure.', 1436717281);
            }
        }
    }
}