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Request.php
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Request.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpFoundation;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
/**
* Request represents an HTTP request.
*
* The methods dealing with URL accept / return a raw path (% encoded):
* * getBasePath
* * getBaseUrl
* * getPathInfo
* * getRequestUri
* * getUri
* * getUriForPath
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Request
{
const HEADER_FORWARDED = 'forwarded';
const HEADER_CLIENT_IP = 'client_ip';
const HEADER_CLIENT_HOST = 'client_host';
const HEADER_CLIENT_PROTO = 'client_proto';
const HEADER_CLIENT_PORT = 'client_port';
const METHOD_HEAD = 'HEAD';
const METHOD_GET = 'GET';
const METHOD_POST = 'POST';
const METHOD_PUT = 'PUT';
const METHOD_PATCH = 'PATCH';
const METHOD_DELETE = 'DELETE';
const METHOD_PURGE = 'PURGE';
const METHOD_OPTIONS = 'OPTIONS';
const METHOD_TRACE = 'TRACE';
const METHOD_CONNECT = 'CONNECT';
/**
* @var string[]
*/
protected static $trustedProxies = array();
/**
* @var string[]
*/
protected static $trustedHostPatterns = array();
/**
* @var string[]
*/
protected static $trustedHosts = array();
/**
* Names for headers that can be trusted when
* using trusted proxies.
*
* The FORWARDED header is the standard as of rfc7239.
*
* The other headers are non-standard, but widely used
* by popular reverse proxies (like Apache mod_proxy or Amazon EC2).
*/
protected static $trustedHeaders = array(
self::HEADER_FORWARDED => 'FORWARDED',
self::HEADER_CLIENT_IP => 'X_FORWARDED_FOR',
self::HEADER_CLIENT_HOST => 'X_FORWARDED_HOST',
self::HEADER_CLIENT_PROTO => 'X_FORWARDED_PROTO',
self::HEADER_CLIENT_PORT => 'X_FORWARDED_PORT',
);
protected static $httpMethodParameterOverride = false;
/**
* Custom parameters.
*
* @var \Symfony\Component\HttpFoundation\ParameterBag
*/
public $attributes;
/**
* Request body parameters ($_POST).
*
* @var \Symfony\Component\HttpFoundation\ParameterBag
*/
public $request;
/**
* Query string parameters ($_GET).
*
* @var \Symfony\Component\HttpFoundation\ParameterBag
*/
public $query;
/**
* Server and execution environment parameters ($_SERVER).
*
* @var \Symfony\Component\HttpFoundation\ServerBag
*/
public $server;
/**
* Uploaded files ($_FILES).
*
* @var \Symfony\Component\HttpFoundation\FileBag
*/
public $files;
/**
* Cookies ($_COOKIE).
*
* @var \Symfony\Component\HttpFoundation\ParameterBag
*/
public $cookies;
/**
* Headers (taken from the $_SERVER).
*
* @var \Symfony\Component\HttpFoundation\HeaderBag
*/
public $headers;
/**
* @var string
*/
protected $content;
/**
* @var array
*/
protected $languages;
/**
* @var array
*/
protected $charsets;
/**
* @var array
*/
protected $encodings;
/**
* @var array
*/
protected $acceptableContentTypes;
/**
* @var string
*/
protected $pathInfo;
/**
* @var string
*/
protected $requestUri;
/**
* @var string
*/
protected $baseUrl;
/**
* @var string
*/
protected $basePath;
/**
* @var string
*/
protected $method;
/**
* @var string
*/
protected $format;
/**
* @var \Symfony\Component\HttpFoundation\Session\SessionInterface
*/
protected $session;
/**
* @var string
*/
protected $locale;
/**
* @var string
*/
protected $defaultLocale = 'en';
/**
* @var array
*/
protected static $formats;
protected static $requestFactory;
/**
* Constructor.
*
* @param array $query The GET parameters
* @param array $request The POST parameters
* @param array $attributes The request attributes (parameters parsed from the PATH_INFO, ...)
* @param array $cookies The COOKIE parameters
* @param array $files The FILES parameters
* @param array $server The SERVER parameters
* @param string|resource $content The raw body data
*/
public function __construct(array $query = array(), array $request = array(), array $attributes = array(), array $cookies = array(), array $files = array(), array $server = array(), $content = null)
{
$this->initialize($query, $request, $attributes, $cookies, $files, $server, $content);
}
/**
* Sets the parameters for this request.
*
* This method also re-initializes all properties.
*
* @param array $query The GET parameters
* @param array $request The POST parameters
* @param array $attributes The request attributes (parameters parsed from the PATH_INFO, ...)
* @param array $cookies The COOKIE parameters
* @param array $files The FILES parameters
* @param array $server The SERVER parameters
* @param string|resource $content The raw body data
*/
public function initialize(array $query = array(), array $request = array(), array $attributes = array(), array $cookies = array(), array $files = array(), array $server = array(), $content = null)
{
$this->request = new ParameterBag($request);
$this->query = new ParameterBag($query);
$this->attributes = new ParameterBag($attributes);
$this->cookies = new ParameterBag($cookies);
$this->files = new FileBag($files);
$this->server = new ServerBag($server);
$this->headers = new HeaderBag($this->server->getHeaders());
$this->content = $content;
$this->languages = null;
$this->charsets = null;
$this->encodings = null;
$this->acceptableContentTypes = null;
$this->pathInfo = null;
$this->requestUri = null;
$this->baseUrl = null;
$this->basePath = null;
$this->method = null;
$this->format = null;
}
/**
* Creates a new request with values from PHP's super globals.
*
* @return Request A new request
*/
public static function createFromGlobals()
{
// With the php's bug #66606, the php's built-in web server
// stores the Content-Type and Content-Length header values in
// HTTP_CONTENT_TYPE and HTTP_CONTENT_LENGTH fields.
$server = $_SERVER;
if ('cli-server' === PHP_SAPI) {
if (array_key_exists('HTTP_CONTENT_LENGTH', $_SERVER)) {
$server['CONTENT_LENGTH'] = $_SERVER['HTTP_CONTENT_LENGTH'];
}
if (array_key_exists('HTTP_CONTENT_TYPE', $_SERVER)) {
$server['CONTENT_TYPE'] = $_SERVER['HTTP_CONTENT_TYPE'];
}
}
$request = self::createRequestFromFactory($_GET, $_POST, array(), $_COOKIE, $_FILES, $server);
if (0 === strpos($request->headers->get('CONTENT_TYPE'), 'application/x-www-form-urlencoded')
&& in_array(strtoupper($request->server->get('REQUEST_METHOD', 'GET')), array('PUT', 'DELETE', 'PATCH'))
) {
parse_str($request->getContent(), $data);
$request->request = new ParameterBag($data);
}
return $request;
}
/**
* Creates a Request based on a given URI and configuration.
*
* The information contained in the URI always take precedence
* over the other information (server and parameters).
*
* @param string $uri The URI
* @param string $method The HTTP method
* @param array $parameters The query (GET) or request (POST) parameters
* @param array $cookies The request cookies ($_COOKIE)
* @param array $files The request files ($_FILES)
* @param array $server The server parameters ($_SERVER)
* @param string $content The raw body data
*
* @return Request A Request instance
*/
public static function create($uri, $method = 'GET', $parameters = array(), $cookies = array(), $files = array(), $server = array(), $content = null)
{
$server = array_replace(array(
'SERVER_NAME' => 'localhost',
'SERVER_PORT' => 80,
'HTTP_HOST' => 'localhost',
'HTTP_USER_AGENT' => 'Symfony/3.X',
'HTTP_ACCEPT' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
'HTTP_ACCEPT_LANGUAGE' => 'en-us,en;q=0.5',
'HTTP_ACCEPT_CHARSET' => 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
'REMOTE_ADDR' => '127.0.0.1',
'SCRIPT_NAME' => '',
'SCRIPT_FILENAME' => '',
'SERVER_PROTOCOL' => 'HTTP/1.1',
'REQUEST_TIME' => time(),
), $server);
$server['PATH_INFO'] = '';
$server['REQUEST_METHOD'] = strtoupper($method);
$components = parse_url($uri);
if (isset($components['host'])) {
$server['SERVER_NAME'] = $components['host'];
$server['HTTP_HOST'] = $components['host'];
}
if (isset($components['scheme'])) {
if ('https' === $components['scheme']) {
$server['HTTPS'] = 'on';
$server['SERVER_PORT'] = 443;
} else {
unset($server['HTTPS']);
$server['SERVER_PORT'] = 80;
}
}
if (isset($components['port'])) {
$server['SERVER_PORT'] = $components['port'];
$server['HTTP_HOST'] = $server['HTTP_HOST'].':'.$components['port'];
}
if (isset($components['user'])) {
$server['PHP_AUTH_USER'] = $components['user'];
}
if (isset($components['pass'])) {
$server['PHP_AUTH_PW'] = $components['pass'];
}
if (!isset($components['path'])) {
$components['path'] = '/';
}
switch (strtoupper($method)) {
case 'POST':
case 'PUT':
case 'DELETE':
if (!isset($server['CONTENT_TYPE'])) {
$server['CONTENT_TYPE'] = 'application/x-www-form-urlencoded';
}
// no break
case 'PATCH':
$request = $parameters;
$query = array();
break;
default:
$request = array();
$query = $parameters;
break;
}
$queryString = '';
if (isset($components['query'])) {
parse_str(html_entity_decode($components['query']), $qs);
if ($query) {
$query = array_replace($qs, $query);
$queryString = http_build_query($query, '', '&');
} else {
$query = $qs;
$queryString = $components['query'];
}
} elseif ($query) {
$queryString = http_build_query($query, '', '&');
}
$server['REQUEST_URI'] = $components['path'].('' !== $queryString ? '?'.$queryString : '');
$server['QUERY_STRING'] = $queryString;
return self::createRequestFromFactory($query, $request, array(), $cookies, $files, $server, $content);
}
/**
* Sets a callable able to create a Request instance.
*
* This is mainly useful when you need to override the Request class
* to keep BC with an existing system. It should not be used for any
* other purpose.
*
* @param callable|null $callable A PHP callable
*/
public static function setFactory($callable)
{
self::$requestFactory = $callable;
}
/**
* Clones a request and overrides some of its parameters.
*
* @param array $query The GET parameters
* @param array $request The POST parameters
* @param array $attributes The request attributes (parameters parsed from the PATH_INFO, ...)
* @param array $cookies The COOKIE parameters
* @param array $files The FILES parameters
* @param array $server The SERVER parameters
*
* @return Request The duplicated request
*/
public function duplicate(array $query = null, array $request = null, array $attributes = null, array $cookies = null, array $files = null, array $server = null)
{
$dup = clone $this;
if ($query !== null) {
$dup->query = new ParameterBag($query);
}
if ($request !== null) {
$dup->request = new ParameterBag($request);
}
if ($attributes !== null) {
$dup->attributes = new ParameterBag($attributes);
}
if ($cookies !== null) {
$dup->cookies = new ParameterBag($cookies);
}
if ($files !== null) {
$dup->files = new FileBag($files);
}
if ($server !== null) {
$dup->server = new ServerBag($server);
$dup->headers = new HeaderBag($dup->server->getHeaders());
}
$dup->languages = null;
$dup->charsets = null;
$dup->encodings = null;
$dup->acceptableContentTypes = null;
$dup->pathInfo = null;
$dup->requestUri = null;
$dup->baseUrl = null;
$dup->basePath = null;
$dup->method = null;
$dup->format = null;
if (!$dup->get('_format') && $this->get('_format')) {
$dup->attributes->set('_format', $this->get('_format'));
}
if (!$dup->getRequestFormat(null)) {
$dup->setRequestFormat($this->getRequestFormat(null));
}
return $dup;
}
/**
* Clones the current request.
*
* Note that the session is not cloned as duplicated requests
* are most of the time sub-requests of the main one.
*/
public function __clone()
{
$this->query = clone $this->query;
$this->request = clone $this->request;
$this->attributes = clone $this->attributes;
$this->cookies = clone $this->cookies;
$this->files = clone $this->files;
$this->server = clone $this->server;
$this->headers = clone $this->headers;
}
/**
* Returns the request as a string.
*
* @return string The request
*/
public function __toString()
{
try {
$content = $this->getContent();
} catch (\LogicException $e) {
return trigger_error($e, E_USER_ERROR);
}
return
sprintf('%s %s %s', $this->getMethod(), $this->getRequestUri(), $this->server->get('SERVER_PROTOCOL'))."\r\n".
$this->headers."\r\n".
$content;
}
/**
* Overrides the PHP global variables according to this request instance.
*
* It overrides $_GET, $_POST, $_REQUEST, $_SERVER, $_COOKIE.
* $_FILES is never overridden, see rfc1867
*/
public function overrideGlobals()
{
$this->server->set('QUERY_STRING', static::normalizeQueryString(http_build_query($this->query->all(), null, '&')));
$_GET = $this->query->all();
$_POST = $this->request->all();
$_SERVER = $this->server->all();
$_COOKIE = $this->cookies->all();
foreach ($this->headers->all() as $key => $value) {
$key = strtoupper(str_replace('-', '_', $key));
if (in_array($key, array('CONTENT_TYPE', 'CONTENT_LENGTH'))) {
$_SERVER[$key] = implode(', ', $value);
} else {
$_SERVER['HTTP_'.$key] = implode(', ', $value);
}
}
$request = array('g' => $_GET, 'p' => $_POST, 'c' => $_COOKIE);
$requestOrder = ini_get('request_order') ?: ini_get('variables_order');
$requestOrder = preg_replace('#[^cgp]#', '', strtolower($requestOrder)) ?: 'gp';
$_REQUEST = array();
foreach (str_split($requestOrder) as $order) {
$_REQUEST = array_merge($_REQUEST, $request[$order]);
}
}
/**
* Sets a list of trusted proxies.
*
* You should only list the reverse proxies that you manage directly.
*
* @param array $proxies A list of trusted proxies
*/
public static function setTrustedProxies(array $proxies)
{
self::$trustedProxies = $proxies;
}
/**
* Gets the list of trusted proxies.
*
* @return array An array of trusted proxies.
*/
public static function getTrustedProxies()
{
return self::$trustedProxies;
}
/**
* Sets a list of trusted host patterns.
*
* You should only list the hosts you manage using regexs.
*
* @param array $hostPatterns A list of trusted host patterns
*/
public static function setTrustedHosts(array $hostPatterns)
{
self::$trustedHostPatterns = array_map(function ($hostPattern) {
return sprintf('#%s#i', $hostPattern);
}, $hostPatterns);
// we need to reset trusted hosts on trusted host patterns change
self::$trustedHosts = array();
}
/**
* Gets the list of trusted host patterns.
*
* @return array An array of trusted host patterns.
*/
public static function getTrustedHosts()
{
return self::$trustedHostPatterns;
}
/**
* Sets the name for trusted headers.
*
* The following header keys are supported:
*
* * Request::HEADER_CLIENT_IP: defaults to X-Forwarded-For (see getClientIp())
* * Request::HEADER_CLIENT_HOST: defaults to X-Forwarded-Host (see getHost())
* * Request::HEADER_CLIENT_PORT: defaults to X-Forwarded-Port (see getPort())
* * Request::HEADER_CLIENT_PROTO: defaults to X-Forwarded-Proto (see getScheme() and isSecure())
*
* Setting an empty value allows to disable the trusted header for the given key.
*
* @param string $key The header key
* @param string $value The header name
*
* @throws \InvalidArgumentException
*/
public static function setTrustedHeaderName($key, $value)
{
if (!array_key_exists($key, self::$trustedHeaders)) {
throw new \InvalidArgumentException(sprintf('Unable to set the trusted header name for key "%s".', $key));
}
self::$trustedHeaders[$key] = $value;
}
/**
* Gets the trusted proxy header name.
*
* @param string $key The header key
*
* @return string The header name
*
* @throws \InvalidArgumentException
*/
public static function getTrustedHeaderName($key)
{
if (!array_key_exists($key, self::$trustedHeaders)) {
throw new \InvalidArgumentException(sprintf('Unable to get the trusted header name for key "%s".', $key));
}
return self::$trustedHeaders[$key];
}
/**
* Normalizes a query string.
*
* It builds a normalized query string, where keys/value pairs are alphabetized,
* have consistent escaping and unneeded delimiters are removed.
*
* @param string $qs Query string
*
* @return string A normalized query string for the Request
*/
public static function normalizeQueryString($qs)
{
if ('' == $qs) {
return '';
}
$parts = array();
$order = array();
foreach (explode('&', $qs) as $param) {
if ('' === $param || '=' === $param[0]) {
// Ignore useless delimiters, e.g. "x=y&".
// Also ignore pairs with empty key, even if there was a value, e.g. "=value", as such nameless values cannot be retrieved anyway.
// PHP also does not include them when building _GET.
continue;
}
$keyValuePair = explode('=', $param, 2);
// GET parameters, that are submitted from a HTML form, encode spaces as "+" by default (as defined in enctype application/x-www-form-urlencoded).
// 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
// RFC 3986 with rawurlencode.
$parts[] = isset($keyValuePair[1]) ?
rawurlencode(urldecode($keyValuePair[0])).'='.rawurlencode(urldecode($keyValuePair[1])) :
rawurlencode(urldecode($keyValuePair[0]));
$order[] = urldecode($keyValuePair[0]);
}
array_multisort($order, SORT_ASC, $parts);
return implode('&', $parts);
}
/**
* Enables support for the _method request parameter to determine the intended HTTP method.
*
* Be warned that enabling this feature might lead to CSRF issues in your code.
* Check that you are using CSRF tokens when required.
* If the HTTP method parameter override is enabled, an html-form with method "POST" can be altered
* and used to send a "PUT" or "DELETE" request via the _method request parameter.
* If these methods are not protected against CSRF, this presents a possible vulnerability.
*
* The HTTP method can only be overridden when the real HTTP method is POST.
*/
public static function enableHttpMethodParameterOverride()
{
self::$httpMethodParameterOverride = true;
}
/**
* Checks whether support for the _method request parameter is enabled.
*
* @return bool True when the _method request parameter is enabled, false otherwise
*/
public static function getHttpMethodParameterOverride()
{
return self::$httpMethodParameterOverride;
}
/**
* Gets a "parameter" value from any bag.
*
* This method is mainly useful for libraries that want to provide some flexibility. If you don't need the
* flexibility in controllers, it is better to explicitly get request parameters from the appropriate
* public property instead (attributes, query, request).
*
* Order of precedence: PATH (routing placeholders or custom attributes), GET, BODY
*
* @param string $key the key
* @param mixed $default the default value if the parameter key does not exist
*
* @return mixed
*/
public function get($key, $default = null)
{
if ($this !== $result = $this->attributes->get($key, $this)) {
return $result;
}
if ($this !== $result = $this->query->get($key, $this)) {
return $result;
}
if ($this !== $result = $this->request->get($key, $this)) {
return $result;
}
return $default;
}
/**
* Gets the Session.
*
* @return SessionInterface|null The session
*/
public function getSession()
{
return $this->session;
}
/**
* Whether the request contains a Session which was started in one of the
* previous requests.
*
* @return bool
*/
public function hasPreviousSession()
{
// the check for $this->session avoids malicious users trying to fake a session cookie with proper name
return $this->hasSession() && $this->cookies->has($this->session->getName());
}
/**
* Whether the request contains a Session object.
*
* This method does not give any information about the state of the session object,
* like whether the session is started or not. It is just a way to check if this Request
* is associated with a Session instance.
*
* @return bool true when the Request contains a Session object, false otherwise
*/
public function hasSession()
{
return null !== $this->session;
}
/**
* Sets the Session.
*
* @param SessionInterface $session The Session
*/
public function setSession(SessionInterface $session)
{
$this->session = $session;
}
/**
* Returns the client IP addresses.
*
* In the returned array the most trusted IP address is first, and the
* least trusted one last. The "real" client IP address is the last one,
* but this is also the least trusted one. Trusted proxies are stripped.
*
* Use this method carefully; you should use getClientIp() instead.
*
* @return array The client IP addresses
*
* @see getClientIp()
*/
public function getClientIps()
{
$clientIps = array();
$ip = $this->server->get('REMOTE_ADDR');
if (!$this->isFromTrustedProxy()) {
return array($ip);
}
if (self::$trustedHeaders[self::HEADER_FORWARDED] && $this->headers->has(self::$trustedHeaders[self::HEADER_FORWARDED])) {
$forwardedHeader = $this->headers->get(self::$trustedHeaders[self::HEADER_FORWARDED]);
preg_match_all('{(for)=("?\[?)([a-z0-9\.:_\-/]*)}', $forwardedHeader, $matches);
$clientIps = $matches[3];
} elseif (self::$trustedHeaders[self::HEADER_CLIENT_IP] && $this->headers->has(self::$trustedHeaders[self::HEADER_CLIENT_IP])) {
$clientIps = array_map('trim', explode(',', $this->headers->get(self::$trustedHeaders[self::HEADER_CLIENT_IP])));
}
$clientIps[] = $ip; // Complete the IP chain with the IP the request actually came from
$firstTrustedIp = null;
foreach ($clientIps as $key => $clientIp) {
// Remove port (unfortunately, it does happen)
if (preg_match('{((?:\d+\.){3}\d+)\:\d+}', $clientIp, $match)) {
$clientIps[$key] = $clientIp = $match[1];
}
if (!filter_var($clientIp, FILTER_VALIDATE_IP)) {
unset($clientIps[$key]);
continue;
}
if (IpUtils::checkIp($clientIp, self::$trustedProxies)) {
unset($clientIps[$key]);
// Fallback to this when the client IP falls into the range of trusted proxies
if (null === $firstTrustedIp) {
$firstTrustedIp = $clientIp;
}
}
}
// Now the IP chain contains only untrusted proxies and the client IP
return $clientIps ? array_reverse($clientIps) : array($firstTrustedIp);
}
/**
* Returns the client IP address.
*
* This method can read the client IP address from the "X-Forwarded-For" header
* when trusted proxies were set via "setTrustedProxies()". The "X-Forwarded-For"
* header value is a comma+space separated list of IP addresses, the left-most
* being the original client, and each successive proxy that passed the request
* adding the IP address where it received the request from.
*
* If your reverse proxy uses a different header name than "X-Forwarded-For",
* ("Client-Ip" for instance), configure it via "setTrustedHeaderName()" with
* the "client-ip" key.
*
* @return string The client IP address
*
* @see getClientIps()
* @see http://en.wikipedia.org/wiki/X-Forwarded-For
*/
public function getClientIp()
{
$ipAddresses = $this->getClientIps();
return $ipAddresses[0];
}
/**
* Returns current script name.
*
* @return string
*/
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'
* * http://localhost/mysite/enco%20ded returns '/enco%20ded'
* * http://localhost/mysite/about?var=1 returns '/about'
*
* @return string The raw path (i.e. not urldecoded)
*/
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)
*/
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)
*/
public function getBaseUrl()
{
if (null === $this->baseUrl) {
$this->baseUrl = $this->prepareBaseUrl();
}
return $this->baseUrl;
}
/**
* Gets the request's scheme.
*
* @return string
*/
public function getScheme()
{
return $this->isSecure() ? 'https' : 'http';
}
/**
* Returns the port on which the request is made.
*
* This method can read the client port from the "X-Forwarded-Port" header
* when trusted proxies were set via "setTrustedProxies()".
*
* The "X-Forwarded-Port" header must contain the client port.
*
* If your reverse proxy uses a different header name than "X-Forwarded-Port",
* configure it via "setTrustedHeaderName()" with the "client-port" key.
*
* @return string
*/
public function getPort()
{
if ($this->isFromTrustedProxy()) {
if (self::$trustedHeaders[self::HEADER_CLIENT_PORT] && $port = $this->headers->get(self::$trustedHeaders[self::HEADER_CLIENT_PORT])) {
return $port;
}
if (self::$trustedHeaders[self::HEADER_CLIENT_PROTO] && 'https' === $this->headers->get(self::$trustedHeaders[self::HEADER_CLIENT_PROTO], 'http')) {
return 443;
}
}
if ($host = $this->headers->get('HOST')) {
if ($host[0] === '[') {
$pos = strpos($host, ':', strrpos($host, ']'));
} else {
$pos = strrpos($host, ':');
}
if (false !== $pos) {
return (int) substr($host, $pos + 1);
}
return 'https' === $this->getScheme() ? 443 : 80;
}
return $this->server->get('SERVER_PORT');
}
/**
* Returns the user.
*
* @return string|null
*/
public function getUser()
{
return $this->headers->get('PHP_AUTH_USER');
}
/**
* Returns the password.
*