354 lines
12 KiB
PHP
354 lines
12 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Core\Http;
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use Psr\Http\Message\ServerRequestInterface;
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use Psr\Http\Message\StreamInterface;
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use Psr\Http\Message\UploadedFileInterface;
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use Psr\Http\Message\UriInterface;
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/**
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* Represents a typical request incoming from the server to be processed
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* by the TYPO3 Core. The original request is built from the ServerRequestFactory
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* inside TYPO3's Bootstrap.
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*
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* Note that the PSR-7 standard works with immutable value objects, meaning that
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* any modification to a Request object using the "with" methods will result
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* in a new Request object.
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*
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* Highly inspired by https://github.com/phly/http/
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*
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* @internal Note that this is not public API yet.
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*/
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class ServerRequest extends Request implements ServerRequestInterface
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{
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protected array $attributes = [];
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protected array $cookieParams = [];
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protected array $queryParams = [];
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protected array $serverParams = [];
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protected array $uploadedFiles = [];
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/**
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* @var array|object|null
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*/
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protected $parsedBody;
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/**
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* Constructor, the only place to set all parameters of this Message/Request
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*
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* @param string|UriInterface|null $uri URI for the request, if any.
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* @param string|null $method HTTP method for the request, if any.
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* @param string|resource|StreamInterface|null $body Message body, if any.
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* @param array $headers Headers for the message, if any.
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* @param array $serverParams Server parameters, typically from $_SERVER
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* @param array|null $uploadedFiles Upload file information, a tree of UploadedFiles
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* @throws \InvalidArgumentException for any invalid value.
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*/
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public function __construct(string|UriInterface|null $uri = null, $method = null, $body = 'php://input', array $headers = [], array $serverParams = [], ?array $uploadedFiles = null)
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{
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if ($uploadedFiles !== null) {
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$this->validateUploadedFiles($uploadedFiles);
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}
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parent::__construct($uri, $method ?? 'GET', $body, $headers);
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$this->serverParams = $serverParams;
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$this->uploadedFiles = $uploadedFiles ?? [];
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}
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/**
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* Retrieve server parameters.
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*
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* Retrieves data related to the incoming request environment,
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* typically derived from PHP's $_SERVER superglobal. The data IS NOT
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* REQUIRED to originate from $_SERVER.
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*/
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public function getServerParams(): array
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{
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return $this->serverParams;
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}
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/**
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* Retrieve cookies.
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*
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* Retrieves cookies sent by the client to the server.
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*
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* The data MUST be compatible with the structure of the $_COOKIE
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* super global.
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*/
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public function getCookieParams(): array
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{
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return $this->cookieParams;
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}
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/**
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* Return an instance with the specified cookies.
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*
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* The data IS NOT REQUIRED to come from the $_COOKIE superglobal, but MUST
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* be compatible with the structure of $_COOKIE. Typically, this data will
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* be injected at instantiation.
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*
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* This method MUST NOT update the related Cookie header of the request
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* instance, nor related values in the server params.
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*
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* This method MUST be implemented in such a way as to retain the
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* immutability of the message, and MUST return an instance that has the
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* updated cookie values.
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*
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* @param array $cookies Array of key/value pairs representing cookies.
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*/
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public function withCookieParams(array $cookies): static
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{
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$clonedObject = clone $this;
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$clonedObject->cookieParams = $cookies;
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return $clonedObject;
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}
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/**
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* Retrieve query string arguments.
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*
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* Retrieves the deserialized query string arguments, if any.
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*
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* Note: the query params might not be in sync with the URI or server
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* params. If you need to ensure you are only getting the original
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* values, you may need to parse the query string from `getUri()->getQuery()`
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* or from the `QUERY_STRING` server param.
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*/
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public function getQueryParams(): array
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{
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return $this->queryParams;
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}
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/**
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* Return an instance with the specified query string arguments.
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*
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* These values SHOULD remain immutable over the course of the incoming
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* request. They MAY be injected during instantiation, such as from PHP's
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* $_GET superglobal, or MAY be derived from some other value such as the
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* URI. In cases where the arguments are parsed from the URI, the data
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* MUST be compatible with what PHP's parse_str() would return for
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* purposes of how duplicate query parameters are handled, and how nested
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* sets are handled.
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*
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* Setting query string arguments MUST NOT change the URI stored by the
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* request, nor the values in the server params.
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*
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* This method MUST be implemented in such a way as to retain the
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* immutability of the message, and MUST return an instance that has the
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* updated query string arguments.
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*
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* @param array $query Array of query string arguments, typically from $_GET.
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*/
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public function withQueryParams(array $query): static
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{
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$clonedObject = clone $this;
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$clonedObject->queryParams = $query;
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return $clonedObject;
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}
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/**
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* Retrieve normalized file upload data.
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*
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* This method returns upload metadata in a normalized tree, with each leaf
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* an instance of Psr\Http\Message\UploadedFileInterface.
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*
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* These values MAY be prepared from $_FILES or the message body during
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* instantiation, or MAY be injected via withUploadedFiles().
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*
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* @return array An array tree of UploadedFileInterface instances; an empty
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* array MUST be returned if no data is present.
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*/
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public function getUploadedFiles(): array
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{
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return $this->uploadedFiles;
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}
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/**
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* Create a new instance with the specified uploaded files.
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*
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* This method MUST be implemented in such a way as to retain the
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* immutability of the message, and MUST return an instance that has the
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* updated body parameters.
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*
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* @param array $uploadedFiles An array tree of UploadedFileInterface instances.
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* @throws \InvalidArgumentException if an invalid structure is provided.
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*/
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public function withUploadedFiles(array $uploadedFiles): static
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{
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$this->validateUploadedFiles($uploadedFiles);
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$clonedObject = clone $this;
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$clonedObject->uploadedFiles = $uploadedFiles;
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return $clonedObject;
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}
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/**
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* Retrieve any parameters provided in the request body.
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*
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* If the request Content-Type is either application/x-www-form-urlencoded
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* or multipart/form-data, and the request method is POST, this method MUST
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* return the contents of $_POST.
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*
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* Otherwise, this method may return any results of deserializing
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* the request body content; as parsing returns structured content, the
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* potential types MUST be arrays or objects only. A null value indicates
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* the absence of body content.
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*
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* @return array|object|null The deserialized body parameters, if any.
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* These will typically be an array or object.
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*/
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public function getParsedBody()
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{
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return $this->parsedBody;
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}
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/**
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* Return an instance with the specified body parameters.
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*
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* These MAY be injected during instantiation.
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*
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* If the request Content-Type is either application/x-www-form-urlencoded
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* or multipart/form-data, and the request method is POST, use this method
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* ONLY to inject the contents of $_POST.
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*
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* The data IS NOT REQUIRED to come from $_POST, but MUST be the results of
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* deserializing the request body content. Deserialization/parsing returns
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* structured data, and, as such, this method ONLY accepts arrays or objects,
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* or a null value if nothing was available to parse.
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*
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* As an example, if content negotiation determines that the request data
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* is a JSON payload, this method could be used to create a request
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* instance with the deserialized parameters.
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*
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* This method MUST be implemented in such a way as to retain the
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* immutability of the message, and MUST return an instance that has the
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* updated body parameters.
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*
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* @param array|object|null $data The deserialized body data. This will
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* typically be in an array or object.
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* @throws \InvalidArgumentException if an unsupported argument type is
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* provided.
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*/
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public function withParsedBody($data): static
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{
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$clonedObject = clone $this;
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$clonedObject->parsedBody = $data;
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return $clonedObject;
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}
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/**
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* Retrieve attributes derived from the request.
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*
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* The request "attributes" may be used to allow injection of any
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* parameters derived from the request: e.g., the results of path
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* match operations; the results of decrypting cookies; the results of
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* deserializing non-form-encoded message bodies; etc. Attributes
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* will be application and request specific, and CAN be mutable.
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*
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* @return array Attributes derived from the request.
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*/
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public function getAttributes(): array
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{
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return $this->attributes;
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}
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/**
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* Retrieve a single derived request attribute.
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*
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* Retrieves a single derived request attribute as described in
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* getAttributes(). If the attribute has not been previously set, returns
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* the default value as provided.
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*
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* This method obviates the need for a hasAttribute() method, as it allows
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* specifying a default value to return if the attribute is not found.
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*
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* @see getAttributes()
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*
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* @param string $name The attribute name.
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* @param mixed $default Default value to return if the attribute does not exist.
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* @return mixed
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*/
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public function getAttribute(string $name, $default = null)
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{
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return $this->attributes[$name] ?? $default;
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}
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/**
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* Return an instance with the specified derived request attribute.
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*
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* This method allows setting a single derived request attribute as
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* described in getAttributes().
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*
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* This method MUST be implemented in such a way as to retain the
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* immutability of the message, and MUST return an instance that has the
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* updated attribute.
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*
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* @see getAttributes()
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*
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* @param string $name The attribute name.
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* @param mixed $value The value of the attribute.
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*/
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public function withAttribute(string $name, $value): static
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{
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$clonedObject = clone $this;
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$clonedObject->attributes[$name] = $value;
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return $clonedObject;
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}
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/**
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* Return an instance that removes the specified derived request attribute.
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*
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* This method allows removing a single derived request attribute as
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* described in getAttributes().
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*
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* This method MUST be implemented in such a way as to retain the
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* immutability of the message, and MUST return an instance that removes
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* the attribute.
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*
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* @see getAttributes()
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*
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* @param string $name The attribute name.
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*/
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public function withoutAttribute(string $name): static
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{
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$clonedObject = clone $this;
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if (!isset($clonedObject->attributes[$name])) {
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return $clonedObject;
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}
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unset($clonedObject->attributes[$name]);
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return $clonedObject;
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}
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/**
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* Recursively validate the structure in an uploaded files array.
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*
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* @throws \InvalidArgumentException if any leaf is not an UploadedFileInterface instance.
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*/
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protected function validateUploadedFiles(array $uploadedFiles): void
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{
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foreach ($uploadedFiles as $file) {
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if (is_array($file)) {
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$this->validateUploadedFiles($file);
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continue;
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}
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if (!$file instanceof UploadedFileInterface) {
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throw new \InvalidArgumentException('Invalid file in uploaded files structure.', 1436717281);
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}
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}
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}
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}
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