1515 lines
42 KiB
PHP
1515 lines
42 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation;
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use Symfony\Component\HttpFoundation\Session\SessionInterface;
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/**
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* Request represents an HTTP request.
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*
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* The methods dealing with URL accept / return a raw path (% encoded):
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* * getBasePath
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* * getBaseUrl
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* * getPathInfo
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* * getRequestUri
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* * getUri
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* * getUriForPath
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @api
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*/
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class Request
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{
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protected static $trustProxy = false;
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/**
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* @var \Symfony\Component\HttpFoundation\ParameterBag
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*
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* @api
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*/
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public $attributes;
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/**
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* @var \Symfony\Component\HttpFoundation\ParameterBag
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*
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* @api
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*/
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public $request;
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/**
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* @var \Symfony\Component\HttpFoundation\ParameterBag
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*
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* @api
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*/
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public $query;
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/**
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* @var \Symfony\Component\HttpFoundation\ServerBag
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*
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* @api
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*/
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public $server;
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/**
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* @var \Symfony\Component\HttpFoundation\FileBag
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*
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* @api
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*/
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public $files;
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/**
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* @var \Symfony\Component\HttpFoundation\ParameterBag
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*
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* @api
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*/
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public $cookies;
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/**
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* @var \Symfony\Component\HttpFoundation\HeaderBag
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*
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* @api
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*/
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public $headers;
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/**
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* @var string
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*/
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protected $content;
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/**
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* @var array
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*/
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protected $languages;
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/**
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* @var array
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*/
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protected $charsets;
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/**
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* @var array
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*/
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protected $acceptableContentTypes;
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/**
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* @var string
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*/
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protected $pathInfo;
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/**
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* @var string
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*/
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protected $requestUri;
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/**
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* @var string
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*/
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protected $baseUrl;
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/**
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* @var string
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*/
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protected $basePath;
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/**
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* @var string
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*/
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protected $method;
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/**
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* @var string
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*/
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protected $format;
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/**
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* @var \Symfony\Component\HttpFoundation\Session\SessionInterface
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*/
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protected $session;
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/**
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* @var string
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*/
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protected $locale;
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/**
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* @var string
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*/
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protected $defaultLocale = 'en';
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/**
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* @var array
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*/
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protected static $formats;
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/**
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* Constructor.
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*
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* @param array $query The GET parameters
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* @param array $request The POST parameters
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* @param array $attributes The request attributes (parameters parsed from the PATH_INFO, ...)
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* @param array $cookies The COOKIE parameters
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* @param array $files The FILES parameters
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* @param array $server The SERVER parameters
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* @param string $content The raw body data
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*
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* @api
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*/
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public function __construct(array $query = array(), array $request = array(), array $attributes = array(), array $cookies = array(), array $files = array(), array $server = array(), $content = null)
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{
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$this->initialize($query, $request, $attributes, $cookies, $files, $server, $content);
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}
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/**
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* Sets the parameters for this request.
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*
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* This method also re-initializes all properties.
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*
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* @param array $query The GET parameters
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* @param array $request The POST parameters
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* @param array $attributes The request attributes (parameters parsed from the PATH_INFO, ...)
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* @param array $cookies The COOKIE parameters
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* @param array $files The FILES parameters
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* @param array $server The SERVER parameters
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* @param string $content The raw body data
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*
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* @api
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*/
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public function initialize(array $query = array(), array $request = array(), array $attributes = array(), array $cookies = array(), array $files = array(), array $server = array(), $content = null)
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{
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$this->request = new ParameterBag($request);
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$this->query = new ParameterBag($query);
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$this->attributes = new ParameterBag($attributes);
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$this->cookies = new ParameterBag($cookies);
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$this->files = new FileBag($files);
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$this->server = new ServerBag($server);
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$this->headers = new HeaderBag($this->server->getHeaders());
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$this->content = $content;
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$this->languages = null;
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$this->charsets = null;
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$this->acceptableContentTypes = null;
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$this->pathInfo = null;
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$this->requestUri = null;
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$this->baseUrl = null;
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$this->basePath = null;
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$this->method = null;
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$this->format = null;
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}
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/**
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* Creates a new request with values from PHP's super globals.
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*
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* @return Request A new request
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*
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* @api
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*/
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public static function createFromGlobals()
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{
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$request = new static($_GET, $_POST, array(), $_COOKIE, $_FILES, $_SERVER);
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if (0 === strpos($request->server->get('CONTENT_TYPE'), 'application/x-www-form-urlencoded')
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&& in_array(strtoupper($request->server->get('REQUEST_METHOD', 'GET')), array('PUT', 'DELETE', 'PATCH'))
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) {
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parse_str($request->getContent(), $data);
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$request->request = new ParameterBag($data);
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}
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return $request;
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}
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/**
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* Creates a Request based on a given URI and configuration.
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*
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* @param string $uri The URI
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* @param string $method The HTTP method
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* @param array $parameters The query (GET) or request (POST) parameters
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* @param array $cookies The request cookies ($_COOKIE)
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* @param array $files The request files ($_FILES)
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* @param array $server The server parameters ($_SERVER)
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* @param string $content The raw body data
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*
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* @return Request A Request instance
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*
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* @api
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*/
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public static function create($uri, $method = 'GET', $parameters = array(), $cookies = array(), $files = array(), $server = array(), $content = null)
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{
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$defaults = array(
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'SERVER_NAME' => 'localhost',
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'SERVER_PORT' => 80,
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'HTTP_HOST' => 'localhost',
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'HTTP_USER_AGENT' => 'Symfony/2.X',
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'HTTP_ACCEPT' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
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'HTTP_ACCEPT_LANGUAGE' => 'en-us,en;q=0.5',
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'HTTP_ACCEPT_CHARSET' => 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
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'REMOTE_ADDR' => '127.0.0.1',
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'SCRIPT_NAME' => '',
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'SCRIPT_FILENAME' => '',
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'SERVER_PROTOCOL' => 'HTTP/1.1',
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'REQUEST_TIME' => time(),
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);
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$components = parse_url($uri);
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if (isset($components['host'])) {
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$defaults['SERVER_NAME'] = $components['host'];
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$defaults['HTTP_HOST'] = $components['host'];
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}
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if (isset($components['scheme'])) {
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if ('https' === $components['scheme']) {
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$defaults['HTTPS'] = 'on';
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$defaults['SERVER_PORT'] = 443;
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}
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}
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if (isset($components['port'])) {
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$defaults['SERVER_PORT'] = $components['port'];
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$defaults['HTTP_HOST'] = $defaults['HTTP_HOST'].':'.$components['port'];
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}
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if (isset($components['user'])) {
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$defaults['PHP_AUTH_USER'] = $components['user'];
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}
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if (isset($components['pass'])) {
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$defaults['PHP_AUTH_PW'] = $components['pass'];
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}
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if (!isset($components['path'])) {
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$components['path'] = '';
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}
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switch (strtoupper($method)) {
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case 'POST':
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case 'PUT':
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case 'DELETE':
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$defaults['CONTENT_TYPE'] = 'application/x-www-form-urlencoded';
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case 'PATCH':
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$request = $parameters;
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$query = array();
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break;
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default:
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$request = array();
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$query = $parameters;
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break;
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}
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if (isset($components['query'])) {
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parse_str(html_entity_decode($components['query']), $qs);
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$query = array_replace($qs, $query);
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}
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$queryString = http_build_query($query, '', '&');
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$uri = $components['path'].('' !== $queryString ? '?'.$queryString : '');
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$server = array_replace($defaults, $server, array(
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'REQUEST_METHOD' => strtoupper($method),
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'PATH_INFO' => '',
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'REQUEST_URI' => $uri,
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'QUERY_STRING' => $queryString,
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));
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return new static($query, $request, array(), $cookies, $files, $server, $content);
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}
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/**
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* Clones a request and overrides some of its parameters.
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*
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* @param array $query The GET parameters
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* @param array $request The POST parameters
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* @param array $attributes The request attributes (parameters parsed from the PATH_INFO, ...)
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* @param array $cookies The COOKIE parameters
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* @param array $files The FILES parameters
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* @param array $server The SERVER parameters
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*
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* @return Request The duplicated request
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*
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* @api
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*/
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public function duplicate(array $query = null, array $request = null, array $attributes = null, array $cookies = null, array $files = null, array $server = null)
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{
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$dup = clone $this;
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if ($query !== null) {
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$dup->query = new ParameterBag($query);
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}
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if ($request !== null) {
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$dup->request = new ParameterBag($request);
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}
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if ($attributes !== null) {
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$dup->attributes = new ParameterBag($attributes);
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}
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if ($cookies !== null) {
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$dup->cookies = new ParameterBag($cookies);
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}
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if ($files !== null) {
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$dup->files = new FileBag($files);
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}
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if ($server !== null) {
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$dup->server = new ServerBag($server);
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$dup->headers = new HeaderBag($dup->server->getHeaders());
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}
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$dup->languages = null;
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$dup->charsets = null;
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$dup->acceptableContentTypes = null;
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$dup->pathInfo = null;
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$dup->requestUri = null;
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$dup->baseUrl = null;
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$dup->basePath = null;
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$dup->method = null;
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$dup->format = null;
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return $dup;
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}
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/**
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* Clones the current request.
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*
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* Note that the session is not cloned as duplicated requests
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* are most of the time sub-requests of the main one.
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*/
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public function __clone()
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{
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$this->query = clone $this->query;
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$this->request = clone $this->request;
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$this->attributes = clone $this->attributes;
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$this->cookies = clone $this->cookies;
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$this->files = clone $this->files;
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$this->server = clone $this->server;
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$this->headers = clone $this->headers;
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}
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/**
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* Returns the request as a string.
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*
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* @return string The request
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*/
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public function __toString()
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{
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return
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sprintf('%s %s %s', $this->getMethod(), $this->getRequestUri(), $this->server->get('SERVER_PROTOCOL'))."\r\n".
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$this->headers."\r\n".
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$this->getContent();
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}
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/**
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* Overrides the PHP global variables according to this request instance.
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*
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* It overrides $_GET, $_POST, $_REQUEST, $_SERVER, $_COOKIE.
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* $_FILES is never override, see rfc1867
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*
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* @api
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*/
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public function overrideGlobals()
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{
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$_GET = $this->query->all();
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$_POST = $this->request->all();
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$_SERVER = $this->server->all();
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$_COOKIE = $this->cookies->all();
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foreach ($this->headers->all() as $key => $value) {
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$key = strtoupper(str_replace('-', '_', $key));
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if (in_array($key, array('CONTENT_TYPE', 'CONTENT_LENGTH'))) {
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$_SERVER[$key] = implode(', ', $value);
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} else {
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$_SERVER['HTTP_'.$key] = implode(', ', $value);
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}
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}
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$request = array('g' => $_GET, 'p' => $_POST, 'c' => $_COOKIE);
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$requestOrder = ini_get('request_order') ?: ini_get('variable_order');
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$requestOrder = preg_replace('#[^cgp]#', '', strtolower($requestOrder)) ?: 'gp';
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$_REQUEST = array();
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foreach (str_split($requestOrder) as $order) {
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$_REQUEST = array_merge($_REQUEST, $request[$order]);
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}
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}
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/**
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* Trusts $_SERVER entries coming from proxies.
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*
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* You should only call this method if your application
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* is hosted behind a reverse proxy that you manage.
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*
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* @api
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*/
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public static function trustProxyData()
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{
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self::$trustProxy = true;
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}
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/**
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* Returns true if $_SERVER entries coming from proxies are trusted,
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* false otherwise.
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*
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* @return boolean
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*/
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public static function isProxyTrusted()
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{
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return self::$trustProxy;
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}
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/**
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* Normalizes a query string.
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*
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* It builds a normalized query string, where keys/value pairs are alphabetized,
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* have consistent escaping and unneeded delimiters are removed.
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*
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* @param string $qs Query string
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*
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* @return string A normalized query string for the Request
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*/
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public static function normalizeQueryString($qs)
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{
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if ('' == $qs) {
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return '';
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}
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$parts = array();
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$order = array();
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foreach (explode('&', $qs) as $param) {
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if ('' === $param || '=' === $param[0]) {
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// Ignore useless delimiters, e.g. "x=y&".
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// Also ignore pairs with empty key, even if there was a value, e.g. "=value", as such nameless values cannot be retrieved anyway.
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// PHP also does not include them when building _GET.
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continue;
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}
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$keyValuePair = explode('=', $param, 2);
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// GET parameters, that are submitted from a HTML form, encode spaces as "+" by default (as defined in enctype application/x-www-form-urlencoded).
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// PHP also converts "+" to spaces when filling the global _GET or when using the function parse_str. This is why we use urldecode and then normalize to
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// RFC 3986 with rawurlencode.
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$parts[] = isset($keyValuePair[1]) ?
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rawurlencode(urldecode($keyValuePair[0])).'='.rawurlencode(urldecode($keyValuePair[1])) :
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rawurlencode(urldecode($keyValuePair[0]));
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$order[] = urldecode($keyValuePair[0]);
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}
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array_multisort($order, SORT_ASC, $parts);
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return implode('&', $parts);
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}
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/**
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* Gets a "parameter" value.
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*
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* This method is mainly useful for libraries that want to provide some flexibility.
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*
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* Order of precedence: GET, PATH, POST, COOKIE
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*
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* Avoid using this method in controllers:
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*
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* * slow
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* * prefer to get from a "named" source
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*
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* It is better to explicity get request parameters from the appropriate
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* public property instead (query, request, attributes, ...).
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*
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* @param string $key the key
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* @param mixed $default the default value
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* @param Boolean $deep is parameter deep in multidimensional array
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*
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* @return mixed
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*/
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public function get($key, $default = null, $deep = false)
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{
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return $this->query->get($key, $this->attributes->get($key, $this->request->get($key, $default, $deep), $deep), $deep);
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}
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/**
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* Gets the Session.
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*
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* @return SessionInterface|null The session
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*
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* @api
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*/
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public function getSession()
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{
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return $this->session;
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}
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|
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/**
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* Whether the request contains a Session which was started in one of the
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* previous requests.
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*
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* @return boolean
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*
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* @api
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*/
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public function hasPreviousSession()
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{
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// the check for $this->session avoids malicious users trying to fake a session cookie with proper name
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return $this->hasSession() && $this->cookies->has($this->session->getName());
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}
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|
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/**
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* Whether the request contains a Session object.
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*
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* @return boolean
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*
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* @api
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*/
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public function hasSession()
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{
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return null !== $this->session;
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}
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|
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/**
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* Sets the Session.
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*
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* @param SessionInterface $session The Session
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*
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* @api
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*/
|
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public function setSession(SessionInterface $session)
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{
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$this->session = $session;
|
|
}
|
|
|
|
/**
|
|
* Returns the client IP address.
|
|
*
|
|
* @return string The client IP address
|
|
*
|
|
* @api
|
|
*/
|
|
public function getClientIp()
|
|
{
|
|
if (self::$trustProxy) {
|
|
if ($this->server->has('HTTP_CLIENT_IP')) {
|
|
return $this->server->get('HTTP_CLIENT_IP');
|
|
} elseif ($this->server->has('HTTP_X_FORWARDED_FOR')) {
|
|
$clientIp = explode(',', $this->server->get('HTTP_X_FORWARDED_FOR'));
|
|
|
|
foreach ($clientIp as $ipAddress) {
|
|
$cleanIpAddress = trim($ipAddress);
|
|
|
|
if (false !== filter_var($cleanIpAddress, FILTER_VALIDATE_IP)) {
|
|
return $cleanIpAddress;
|
|
}
|
|
}
|
|
|
|
return '';
|
|
}
|
|
}
|
|
|
|
return $this->server->get('REMOTE_ADDR');
|
|
}
|
|
|
|
/**
|
|
* Returns current script name.
|
|
*
|
|
* @return string
|
|
*
|
|
* @api
|
|
*/
|
|
public function getScriptName()
|
|
{
|
|
return $this->server->get('SCRIPT_NAME', $this->server->get('ORIG_SCRIPT_NAME', ''));
|
|
}
|
|
|
|
/**
|
|
* Returns the path being requested relative to the executed script.
|
|
*
|
|
* The path info always starts with a /.
|
|
*
|
|
* Suppose this request is instantiated from /mysite on localhost:
|
|
*
|
|
* * http://localhost/mysite returns an empty string
|
|
* * http://localhost/mysite/about returns '/about'
|
|
* * htpp://localhost/mysite/enco%20ded returns '/enco%20ded'
|
|
* * http://localhost/mysite/about?var=1 returns '/about'
|
|
*
|
|
* @return string The raw path (i.e. not urldecoded)
|
|
*
|
|
* @api
|
|
*/
|
|
public function getPathInfo()
|
|
{
|
|
if (null === $this->pathInfo) {
|
|
$this->pathInfo = $this->preparePathInfo();
|
|
}
|
|
|
|
return $this->pathInfo;
|
|
}
|
|
|
|
/**
|
|
* Returns the root path from which this request is executed.
|
|
*
|
|
* Suppose that an index.php file instantiates this request object:
|
|
*
|
|
* * http://localhost/index.php returns an empty string
|
|
* * http://localhost/index.php/page returns an empty string
|
|
* * http://localhost/web/index.php returns '/web'
|
|
* * http://localhost/we%20b/index.php returns '/we%20b'
|
|
*
|
|
* @return string The raw path (i.e. not urldecoded)
|
|
*
|
|
* @api
|
|
*/
|
|
public function getBasePath()
|
|
{
|
|
if (null === $this->basePath) {
|
|
$this->basePath = $this->prepareBasePath();
|
|
}
|
|
|
|
return $this->basePath;
|
|
}
|
|
|
|
/**
|
|
* Returns the root url from which this request is executed.
|
|
*
|
|
* The base URL never ends with a /.
|
|
*
|
|
* This is similar to getBasePath(), except that it also includes the
|
|
* script filename (e.g. index.php) if one exists.
|
|
*
|
|
* @return string The raw url (i.e. not urldecoded)
|
|
*
|
|
* @api
|
|
*/
|
|
public function getBaseUrl()
|
|
{
|
|
if (null === $this->baseUrl) {
|
|
$this->baseUrl = $this->prepareBaseUrl();
|
|
}
|
|
|
|
return $this->baseUrl;
|
|
}
|
|
|
|
/**
|
|
* Gets the request's scheme.
|
|
*
|
|
* @return string
|
|
*
|
|
* @api
|
|
*/
|
|
public function getScheme()
|
|
{
|
|
return $this->isSecure() ? 'https' : 'http';
|
|
}
|
|
|
|
/**
|
|
* Returns the port on which the request is made.
|
|
*
|
|
* @return string
|
|
*
|
|
* @api
|
|
*/
|
|
public function getPort()
|
|
{
|
|
if (self::$trustProxy && $this->headers->has('X-Forwarded-Port')) {
|
|
return $this->headers->get('X-Forwarded-Port');
|
|
}
|
|
|
|
return $this->server->get('SERVER_PORT');
|
|
}
|
|
|
|
/**
|
|
* Returns the user.
|
|
*
|
|
* @return string|null
|
|
*/
|
|
public function getUser()
|
|
{
|
|
return $this->server->get('PHP_AUTH_USER');
|
|
}
|
|
|
|
/**
|
|
* Returns the password.
|
|
*
|
|
* @return string|null
|
|
*/
|
|
public function getPassword()
|
|
{
|
|
return $this->server->get('PHP_AUTH_PW');
|
|
}
|
|
|
|
/**
|
|
* Gets the user info.
|
|
*
|
|
* @return string A user name and, optionally, scheme-specific information about how to gain authorization to access the server
|
|
*/
|
|
public function getUserInfo()
|
|
{
|
|
$userinfo = $this->getUser();
|
|
|
|
$pass = $this->getPassword();
|
|
if ('' != $pass) {
|
|
$userinfo .= ":$pass";
|
|
}
|
|
|
|
return $userinfo;
|
|
}
|
|
|
|
/**
|
|
* Returns the HTTP host being requested.
|
|
*
|
|
* The port name will be appended to the host if it's non-standard.
|
|
*
|
|
* @return string
|
|
*
|
|
* @api
|
|
*/
|
|
public function getHttpHost()
|
|
{
|
|
$scheme = $this->getScheme();
|
|
$port = $this->getPort();
|
|
|
|
if (('http' == $scheme && $port == 80) || ('https' == $scheme && $port == 443)) {
|
|
return $this->getHost();
|
|
}
|
|
|
|
return $this->getHost().':'.$port;
|
|
}
|
|
|
|
/**
|
|
* Returns the requested URI.
|
|
*
|
|
* @return string The raw URI (i.e. not urldecoded)
|
|
*
|
|
* @api
|
|
*/
|
|
public function getRequestUri()
|
|
{
|
|
if (null === $this->requestUri) {
|
|
$this->requestUri = $this->prepareRequestUri();
|
|
}
|
|
|
|
return $this->requestUri;
|
|
}
|
|
|
|
/**
|
|
* Gets the scheme and HTTP host.
|
|
*
|
|
* @return string The scheme and HTTP host
|
|
*/
|
|
public function getSchemeAndHttpHost()
|
|
{
|
|
return $this->getScheme().'://'.(('' != $auth = $this->getUserInfo()) ? $auth.'@' : '').$this->getHttpHost();
|
|
}
|
|
|
|
/**
|
|
* Generates a normalized URI for the Request.
|
|
*
|
|
* @return string A normalized URI for the Request
|
|
*
|
|
* @see getQueryString()
|
|
*
|
|
* @api
|
|
*/
|
|
public function getUri()
|
|
{
|
|
$qs = $this->getQueryString();
|
|
if (null !== $qs) {
|
|
$qs = '?'.$qs;
|
|
}
|
|
|
|
return $this->getSchemeAndHttpHost().$this->getBaseUrl().$this->getPathInfo().$qs;
|
|
}
|
|
|
|
/**
|
|
* Generates a normalized URI for the given path.
|
|
*
|
|
* @param string $path A path to use instead of the current one
|
|
*
|
|
* @return string The normalized URI for the path
|
|
*
|
|
* @api
|
|
*/
|
|
public function getUriForPath($path)
|
|
{
|
|
return $this->getSchemeAndHttpHost().$this->getBaseUrl().$path;
|
|
}
|
|
|
|
/**
|
|
* Generates the normalized query string for the Request.
|
|
*
|
|
* It builds a normalized query string, where keys/value pairs are alphabetized
|
|
* and have consistent escaping.
|
|
*
|
|
* @return string|null A normalized query string for the Request
|
|
*
|
|
* @api
|
|
*/
|
|
public function getQueryString()
|
|
{
|
|
$qs = static::normalizeQueryString($this->server->get('QUERY_STRING'));
|
|
|
|
return '' === $qs ? null : $qs;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the request is secure or not.
|
|
*
|
|
* @return Boolean
|
|
*
|
|
* @api
|
|
*/
|
|
public function isSecure()
|
|
{
|
|
return (
|
|
(strtolower($this->server->get('HTTPS')) == 'on' || $this->server->get('HTTPS') == 1)
|
|
||
|
|
(self::$trustProxy && strtolower($this->headers->get('SSL_HTTPS')) == 'on' || $this->headers->get('SSL_HTTPS') == 1)
|
|
||
|
|
(self::$trustProxy && strtolower($this->headers->get('X_FORWARDED_PROTO')) == 'https')
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Returns the host name.
|
|
*
|
|
* @return string
|
|
*
|
|
* @api
|
|
*/
|
|
public function getHost()
|
|
{
|
|
if (self::$trustProxy && $host = $this->headers->get('X_FORWARDED_HOST')) {
|
|
$elements = explode(',', $host);
|
|
|
|
$host = trim($elements[count($elements) - 1]);
|
|
} else {
|
|
if (!$host = $this->headers->get('HOST')) {
|
|
if (!$host = $this->server->get('SERVER_NAME')) {
|
|
$host = $this->server->get('SERVER_ADDR', '');
|
|
}
|
|
}
|
|
}
|
|
|
|
// Remove port number from host
|
|
$host = preg_replace('/:\d+$/', '', $host);
|
|
|
|
// host is lowercase as per RFC 952/2181
|
|
return trim(strtolower($host));
|
|
}
|
|
|
|
/**
|
|
* Sets the request method.
|
|
*
|
|
* @param string $method
|
|
*
|
|
* @api
|
|
*/
|
|
public function setMethod($method)
|
|
{
|
|
$this->method = null;
|
|
$this->server->set('REQUEST_METHOD', $method);
|
|
}
|
|
|
|
/**
|
|
* Gets the request method.
|
|
*
|
|
* The method is always an uppercased string.
|
|
*
|
|
* @return string The request method
|
|
*
|
|
* @api
|
|
*/
|
|
public function getMethod()
|
|
{
|
|
if (null === $this->method) {
|
|
$this->method = strtoupper($this->server->get('REQUEST_METHOD', 'GET'));
|
|
if ('POST' === $this->method) {
|
|
$this->method = strtoupper($this->headers->get('X-HTTP-METHOD-OVERRIDE', $this->request->get('_method', $this->query->get('_method', 'POST'))));
|
|
}
|
|
}
|
|
|
|
return $this->method;
|
|
}
|
|
|
|
/**
|
|
* Gets the mime type associated with the format.
|
|
*
|
|
* @param string $format The format
|
|
*
|
|
* @return string The associated mime type (null if not found)
|
|
*
|
|
* @api
|
|
*/
|
|
public function getMimeType($format)
|
|
{
|
|
if (null === static::$formats) {
|
|
static::initializeFormats();
|
|
}
|
|
|
|
return isset(static::$formats[$format]) ? static::$formats[$format][0] : null;
|
|
}
|
|
|
|
/**
|
|
* Gets the format associated with the mime type.
|
|
*
|
|
* @param string $mimeType The associated mime type
|
|
*
|
|
* @return string|null The format (null if not found)
|
|
*
|
|
* @api
|
|
*/
|
|
public function getFormat($mimeType)
|
|
{
|
|
if (false !== $pos = strpos($mimeType, ';')) {
|
|
$mimeType = substr($mimeType, 0, $pos);
|
|
}
|
|
|
|
if (null === static::$formats) {
|
|
static::initializeFormats();
|
|
}
|
|
|
|
foreach (static::$formats as $format => $mimeTypes) {
|
|
if (in_array($mimeType, (array) $mimeTypes)) {
|
|
return $format;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Associates a format with mime types.
|
|
*
|
|
* @param string $format The format
|
|
* @param string|array $mimeTypes The associated mime types (the preferred one must be the first as it will be used as the content type)
|
|
*
|
|
* @api
|
|
*/
|
|
public function setFormat($format, $mimeTypes)
|
|
{
|
|
if (null === static::$formats) {
|
|
static::initializeFormats();
|
|
}
|
|
|
|
static::$formats[$format] = is_array($mimeTypes) ? $mimeTypes : array($mimeTypes);
|
|
}
|
|
|
|
/**
|
|
* Gets the request format.
|
|
*
|
|
* Here is the process to determine the format:
|
|
*
|
|
* * format defined by the user (with setRequestFormat())
|
|
* * _format request parameter
|
|
* * $default
|
|
*
|
|
* @param string $default The default format
|
|
*
|
|
* @return string The request format
|
|
*
|
|
* @api
|
|
*/
|
|
public function getRequestFormat($default = 'html')
|
|
{
|
|
if (null === $this->format) {
|
|
$this->format = $this->get('_format', $default);
|
|
}
|
|
|
|
return $this->format;
|
|
}
|
|
|
|
/**
|
|
* Sets the request format.
|
|
*
|
|
* @param string $format The request format.
|
|
*
|
|
* @api
|
|
*/
|
|
public function setRequestFormat($format)
|
|
{
|
|
$this->format = $format;
|
|
}
|
|
|
|
/**
|
|
* Gets the format associated with the request.
|
|
*
|
|
* @return string|null The format (null if no content type is present)
|
|
*
|
|
* @api
|
|
*/
|
|
public function getContentType()
|
|
{
|
|
return $this->getFormat($this->server->get('CONTENT_TYPE'));
|
|
}
|
|
|
|
/**
|
|
* Sets the default locale.
|
|
*
|
|
* @param string $locale
|
|
*
|
|
* @api
|
|
*/
|
|
public function setDefaultLocale($locale)
|
|
{
|
|
$this->setPhpDefaultLocale($this->defaultLocale = $locale);
|
|
}
|
|
|
|
/**
|
|
* Sets the locale.
|
|
*
|
|
* @param string $locale
|
|
*
|
|
* @api
|
|
*/
|
|
public function setLocale($locale)
|
|
{
|
|
$this->setPhpDefaultLocale($this->locale = $locale);
|
|
}
|
|
|
|
/**
|
|
* Get the locale.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getLocale()
|
|
{
|
|
return null === $this->locale ? $this->defaultLocale : $this->locale;
|
|
}
|
|
|
|
/**
|
|
* Checks if the request method is of specified type.
|
|
*
|
|
* @param string $method Uppercase request method (GET, POST etc).
|
|
*
|
|
* @return Boolean
|
|
*/
|
|
public function isMethod($method)
|
|
{
|
|
return $this->getMethod() === strtoupper($method);
|
|
}
|
|
|
|
/**
|
|
* Checks whether the method is safe or not.
|
|
*
|
|
* @return Boolean
|
|
*
|
|
* @api
|
|
*/
|
|
public function isMethodSafe()
|
|
{
|
|
return in_array($this->getMethod(), array('GET', 'HEAD'));
|
|
}
|
|
|
|
/**
|
|
* Returns the request body content.
|
|
*
|
|
* @param Boolean $asResource If true, a resource will be returned
|
|
*
|
|
* @return string|resource The request body content or a resource to read the body stream.
|
|
*/
|
|
public function getContent($asResource = false)
|
|
{
|
|
if (false === $this->content || (true === $asResource && null !== $this->content)) {
|
|
throw new \LogicException('getContent() can only be called once when using the resource return type.');
|
|
}
|
|
|
|
if (true === $asResource) {
|
|
$this->content = false;
|
|
|
|
return fopen('php://input', 'rb');
|
|
}
|
|
|
|
if (null === $this->content) {
|
|
$this->content = file_get_contents('php://input');
|
|
}
|
|
|
|
return $this->content;
|
|
}
|
|
|
|
/**
|
|
* Gets the Etags.
|
|
*
|
|
* @return array The entity tags
|
|
*/
|
|
public function getETags()
|
|
{
|
|
return preg_split('/\s*,\s*/', $this->headers->get('if_none_match'), null, PREG_SPLIT_NO_EMPTY);
|
|
}
|
|
|
|
/**
|
|
* @return Boolean
|
|
*/
|
|
public function isNoCache()
|
|
{
|
|
return $this->headers->hasCacheControlDirective('no-cache') || 'no-cache' == $this->headers->get('Pragma');
|
|
}
|
|
|
|
/**
|
|
* Returns the preferred language.
|
|
*
|
|
* @param array $locales An array of ordered available locales
|
|
*
|
|
* @return string|null The preferred locale
|
|
*
|
|
* @api
|
|
*/
|
|
public function getPreferredLanguage(array $locales = null)
|
|
{
|
|
$preferredLanguages = $this->getLanguages();
|
|
|
|
if (empty($locales)) {
|
|
return isset($preferredLanguages[0]) ? $preferredLanguages[0] : null;
|
|
}
|
|
|
|
if (!$preferredLanguages) {
|
|
return $locales[0];
|
|
}
|
|
|
|
$preferredLanguages = array_values(array_intersect($preferredLanguages, $locales));
|
|
|
|
return isset($preferredLanguages[0]) ? $preferredLanguages[0] : $locales[0];
|
|
}
|
|
|
|
/**
|
|
* Gets a list of languages acceptable by the client browser.
|
|
*
|
|
* @return array Languages ordered in the user browser preferences
|
|
*
|
|
* @api
|
|
*/
|
|
public function getLanguages()
|
|
{
|
|
if (null !== $this->languages) {
|
|
return $this->languages;
|
|
}
|
|
|
|
$languages = $this->splitHttpAcceptHeader($this->headers->get('Accept-Language'));
|
|
$this->languages = array();
|
|
foreach ($languages as $lang => $q) {
|
|
if (strstr($lang, '-')) {
|
|
$codes = explode('-', $lang);
|
|
if ($codes[0] == 'i') {
|
|
// Language not listed in ISO 639 that are not variants
|
|
// of any listed language, which can be registered with the
|
|
// i-prefix, such as i-cherokee
|
|
if (count($codes) > 1) {
|
|
$lang = $codes[1];
|
|
}
|
|
} else {
|
|
for ($i = 0, $max = count($codes); $i < $max; $i++) {
|
|
if ($i == 0) {
|
|
$lang = strtolower($codes[0]);
|
|
} else {
|
|
$lang .= '_'.strtoupper($codes[$i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$this->languages[] = $lang;
|
|
}
|
|
|
|
return $this->languages;
|
|
}
|
|
|
|
/**
|
|
* Gets a list of charsets acceptable by the client browser.
|
|
*
|
|
* @return array List of charsets in preferable order
|
|
*
|
|
* @api
|
|
*/
|
|
public function getCharsets()
|
|
{
|
|
if (null !== $this->charsets) {
|
|
return $this->charsets;
|
|
}
|
|
|
|
return $this->charsets = array_keys($this->splitHttpAcceptHeader($this->headers->get('Accept-Charset')));
|
|
}
|
|
|
|
/**
|
|
* Gets a list of content types acceptable by the client browser
|
|
*
|
|
* @return array List of content types in preferable order
|
|
*
|
|
* @api
|
|
*/
|
|
public function getAcceptableContentTypes()
|
|
{
|
|
if (null !== $this->acceptableContentTypes) {
|
|
return $this->acceptableContentTypes;
|
|
}
|
|
|
|
return $this->acceptableContentTypes = array_keys($this->splitHttpAcceptHeader($this->headers->get('Accept')));
|
|
}
|
|
|
|
/**
|
|
* Returns true if the request is a XMLHttpRequest.
|
|
*
|
|
* It works if your JavaScript library set an X-Requested-With HTTP header.
|
|
* It is known to work with Prototype, Mootools, jQuery.
|
|
*
|
|
* @return Boolean true if the request is an XMLHttpRequest, false otherwise
|
|
*
|
|
* @api
|
|
*/
|
|
public function isXmlHttpRequest()
|
|
{
|
|
return 'XMLHttpRequest' == $this->headers->get('X-Requested-With');
|
|
}
|
|
|
|
/**
|
|
* Splits an Accept-* HTTP header.
|
|
*
|
|
* @param string $header Header to split
|
|
*
|
|
* @return array Array indexed by the values of the Accept-* header in preferred order
|
|
*/
|
|
public function splitHttpAcceptHeader($header)
|
|
{
|
|
if (!$header) {
|
|
return array();
|
|
}
|
|
|
|
$values = array();
|
|
foreach (array_filter(explode(',', $header)) as $value) {
|
|
// Cut off any q-value that might come after a semi-colon
|
|
if (preg_match('/;\s*(q=.*$)/', $value, $match)) {
|
|
$q = (float) substr(trim($match[1]), 2);
|
|
$value = trim(substr($value, 0, -strlen($match[0])));
|
|
} else {
|
|
$q = 1;
|
|
}
|
|
|
|
if (0 < $q) {
|
|
$values[trim($value)] = $q;
|
|
}
|
|
}
|
|
|
|
arsort($values);
|
|
reset($values);
|
|
|
|
return $values;
|
|
}
|
|
|
|
/*
|
|
* The following methods are derived from code of the Zend Framework (1.10dev - 2010-01-24)
|
|
*
|
|
* Code subject to the new BSD license (http://framework.zend.com/license/new-bsd).
|
|
*
|
|
* Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
|
|
*/
|
|
|
|
protected function prepareRequestUri()
|
|
{
|
|
$requestUri = '';
|
|
|
|
if ($this->headers->has('X_REWRITE_URL') && false !== stripos(PHP_OS, 'WIN')) {
|
|
// check this first so IIS will catch
|
|
$requestUri = $this->headers->get('X_REWRITE_URL');
|
|
} elseif ($this->server->get('IIS_WasUrlRewritten') == '1' && $this->server->get('UNENCODED_URL') != '') {
|
|
// IIS7 with URL Rewrite: make sure we get the unencoded url (double slash problem)
|
|
$requestUri = $this->server->get('UNENCODED_URL');
|
|
} elseif ($this->server->has('REQUEST_URI')) {
|
|
$requestUri = $this->server->get('REQUEST_URI');
|
|
// HTTP proxy reqs setup request uri with scheme and host [and port] + the url path, only use url path
|
|
$schemeAndHttpHost = $this->getSchemeAndHttpHost();
|
|
if (strpos($requestUri, $schemeAndHttpHost) === 0) {
|
|
$requestUri = substr($requestUri, strlen($schemeAndHttpHost));
|
|
}
|
|
} elseif ($this->server->has('ORIG_PATH_INFO')) {
|
|
// IIS 5.0, PHP as CGI
|
|
$requestUri = $this->server->get('ORIG_PATH_INFO');
|
|
if ('' != $this->server->get('QUERY_STRING')) {
|
|
$requestUri .= '?'.$this->server->get('QUERY_STRING');
|
|
}
|
|
}
|
|
|
|
return $requestUri;
|
|
}
|
|
|
|
/**
|
|
* Prepares the base URL.
|
|
*
|
|
* @return string
|
|
*/
|
|
protected function prepareBaseUrl()
|
|
{
|
|
$filename = basename($this->server->get('SCRIPT_FILENAME'));
|
|
|
|
if (basename($this->server->get('SCRIPT_NAME')) === $filename) {
|
|
$baseUrl = $this->server->get('SCRIPT_NAME');
|
|
} elseif (basename($this->server->get('PHP_SELF')) === $filename) {
|
|
$baseUrl = $this->server->get('PHP_SELF');
|
|
} elseif (basename($this->server->get('ORIG_SCRIPT_NAME')) === $filename) {
|
|
$baseUrl = $this->server->get('ORIG_SCRIPT_NAME'); // 1and1 shared hosting compatibility
|
|
} else {
|
|
// Backtrack up the script_filename to find the portion matching
|
|
// php_self
|
|
$path = $this->server->get('PHP_SELF', '');
|
|
$file = $this->server->get('SCRIPT_FILENAME', '');
|
|
$segs = explode('/', trim($file, '/'));
|
|
$segs = array_reverse($segs);
|
|
$index = 0;
|
|
$last = count($segs);
|
|
$baseUrl = '';
|
|
do {
|
|
$seg = $segs[$index];
|
|
$baseUrl = '/'.$seg.$baseUrl;
|
|
++$index;
|
|
} while (($last > $index) && (false !== ($pos = strpos($path, $baseUrl))) && (0 != $pos));
|
|
}
|
|
|
|
// Does the baseUrl have anything in common with the request_uri?
|
|
$requestUri = $this->getRequestUri();
|
|
|
|
if ($baseUrl && false !== $prefix = $this->getUrlencodedPrefix($requestUri, $baseUrl)) {
|
|
// full $baseUrl matches
|
|
return $prefix;
|
|
}
|
|
|
|
if ($baseUrl && false !== $prefix = $this->getUrlencodedPrefix($requestUri, dirname($baseUrl))) {
|
|
// directory portion of $baseUrl matches
|
|
return rtrim($prefix, '/');
|
|
}
|
|
|
|
$truncatedRequestUri = $requestUri;
|
|
if (($pos = strpos($requestUri, '?')) !== false) {
|
|
$truncatedRequestUri = substr($requestUri, 0, $pos);
|
|
}
|
|
|
|
$basename = basename($baseUrl);
|
|
if (empty($basename) || !strpos(rawurldecode($truncatedRequestUri), $basename)) {
|
|
// no match whatsoever; set it blank
|
|
return '';
|
|
}
|
|
|
|
// If using mod_rewrite or ISAPI_Rewrite strip the script filename
|
|
// out of baseUrl. $pos !== 0 makes sure it is not matching a value
|
|
// from PATH_INFO or QUERY_STRING
|
|
if ((strlen($requestUri) >= strlen($baseUrl)) && ((false !== ($pos = strpos($requestUri, $baseUrl))) && ($pos !== 0))) {
|
|
$baseUrl = substr($requestUri, 0, $pos + strlen($baseUrl));
|
|
}
|
|
|
|
return rtrim($baseUrl, '/');
|
|
}
|
|
|
|
/**
|
|
* Prepares the base path.
|
|
*
|
|
* @return string base path
|
|
*/
|
|
protected function prepareBasePath()
|
|
{
|
|
$filename = basename($this->server->get('SCRIPT_FILENAME'));
|
|
$baseUrl = $this->getBaseUrl();
|
|
if (empty($baseUrl)) {
|
|
return '';
|
|
}
|
|
|
|
if (basename($baseUrl) === $filename) {
|
|
$basePath = dirname($baseUrl);
|
|
} else {
|
|
$basePath = $baseUrl;
|
|
}
|
|
|
|
if ('\\' === DIRECTORY_SEPARATOR) {
|
|
$basePath = str_replace('\\', '/', $basePath);
|
|
}
|
|
|
|
return rtrim($basePath, '/');
|
|
}
|
|
|
|
/**
|
|
* Prepares the path info.
|
|
*
|
|
* @return string path info
|
|
*/
|
|
protected function preparePathInfo()
|
|
{
|
|
$baseUrl = $this->getBaseUrl();
|
|
|
|
if (null === ($requestUri = $this->getRequestUri())) {
|
|
return '/';
|
|
}
|
|
|
|
$pathInfo = '/';
|
|
|
|
// Remove the query string from REQUEST_URI
|
|
if ($pos = strpos($requestUri, '?')) {
|
|
$requestUri = substr($requestUri, 0, $pos);
|
|
}
|
|
|
|
if ((null !== $baseUrl) && (false === ($pathInfo = substr($requestUri, strlen($baseUrl))))) {
|
|
// If substr() returns false then PATH_INFO is set to an empty string
|
|
return '/';
|
|
} elseif (null === $baseUrl) {
|
|
return $requestUri;
|
|
}
|
|
|
|
return (string) $pathInfo;
|
|
}
|
|
|
|
/**
|
|
* Initializes HTTP request formats.
|
|
*/
|
|
protected static function initializeFormats()
|
|
{
|
|
static::$formats = array(
|
|
'html' => array('text/html', 'application/xhtml+xml'),
|
|
'txt' => array('text/plain'),
|
|
'js' => array('application/javascript', 'application/x-javascript', 'text/javascript'),
|
|
'css' => array('text/css'),
|
|
'json' => array('application/json', 'application/x-json'),
|
|
'xml' => array('text/xml', 'application/xml', 'application/x-xml'),
|
|
'rdf' => array('application/rdf+xml'),
|
|
'atom' => array('application/atom+xml'),
|
|
'rss' => array('application/rss+xml'),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Sets the default PHP locale.
|
|
*
|
|
* @param string $locale
|
|
*/
|
|
private function setPhpDefaultLocale($locale)
|
|
{
|
|
// if either the class Locale doesn't exist, or an exception is thrown when
|
|
// setting the default locale, the intl module is not installed, and
|
|
// the call can be ignored:
|
|
try {
|
|
if (class_exists('Locale', false)) {
|
|
\Locale::setDefault($locale);
|
|
}
|
|
} catch (\Exception $e) {
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Returns the prefix as encoded in the string when the string starts with
|
|
* the given prefix, false otherwise.
|
|
*
|
|
* @param string $string The urlencoded string
|
|
* @param string $prefix The prefix not encoded
|
|
*
|
|
* @return string|false The prefix as it is encoded in $string, or false
|
|
*/
|
|
private function getUrlencodedPrefix($string, $prefix)
|
|
{
|
|
if (0 !== strpos(rawurldecode($string), $prefix)) {
|
|
return false;
|
|
}
|
|
|
|
$len = strlen($prefix);
|
|
|
|
if (preg_match("#^(%[[:xdigit:]]{2}|.){{$len}}#", $string, $match)) {
|
|
return $match[0];
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|