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Request.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* 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\Exception\BadRequestException;
use Symfony\Component\HttpFoundation\Exception\ConflictingHeadersException;
use Symfony\Component\HttpFoundation\Exception\JsonException;
use Symfony\Component\HttpFoundation\Exception\SessionNotFoundException;
use Symfony\Component\HttpFoundation\Exception\SuspiciousOperationException;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
// Help opcache.preload discover always-needed symbols
class_exists(AcceptHeader::class);
class_exists(FileBag::class);
class_exists(HeaderBag::class);
class_exists(HeaderUtils::class);
class_exists(InputBag::class);
class_exists(ParameterBag::class);
class_exists(ServerBag::class);
/**
* 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 <[email protected]>
*/
class Request
{
public const HEADER_FORWARDED = 0b000001; // When using RFC 7239
public const HEADER_X_FORWARDED_FOR = 0b000010;
public const HEADER_X_FORWARDED_HOST = 0b000100;
public const HEADER_X_FORWARDED_PROTO = 0b001000;
public const HEADER_X_FORWARDED_PORT = 0b010000;
public const HEADER_X_FORWARDED_PREFIX = 0b100000;
/** @deprecated since Symfony 5.2, use either "HEADER_X_FORWARDED_FOR | HEADER_X_FORWARDED_HOST | HEADER_X_FORWARDED_PORT | HEADER_X_FORWARDED_PROTO" or "HEADER_X_FORWARDED_AWS_ELB" or "HEADER_X_FORWARDED_TRAEFIK" constants instead. */
public const HEADER_X_FORWARDED_ALL = 0b1011110; // All "X-Forwarded-*" headers sent by "usual" reverse proxy
public const HEADER_X_FORWARDED_AWS_ELB = 0b0011010; // AWS ELB doesn't send X-Forwarded-Host
public const HEADER_X_FORWARDED_TRAEFIK = 0b0111110; // All "X-Forwarded-*" headers sent by Traefik reverse proxy
public const METHOD_HEAD = 'HEAD';
public const METHOD_GET = 'GET';
public const METHOD_POST = 'POST';
public const METHOD_PUT = 'PUT';
public const METHOD_PATCH = 'PATCH';
public const METHOD_DELETE = 'DELETE';
public const METHOD_PURGE = 'PURGE';
public const METHOD_OPTIONS = 'OPTIONS';
public const METHOD_TRACE = 'TRACE';
public const METHOD_CONNECT = 'CONNECT';
/**
* @var string[]
*/
protected static $trustedProxies = [];
/**
* @var string[]
*/
protected static $trustedHostPatterns = [];
/**
* @var string[]
*/
protected static $trustedHosts = [];
protected static $httpMethodParameterOverride = false;
/**
* Custom parameters.
*
* @var ParameterBag
*/
public $attributes;
/**
* Request body parameters ($_POST).
*
* @var InputBag
*/
public $request;
/**
* Query string parameters ($_GET).
*
* @var InputBag
*/
public $query;
/**
* Server and execution environment parameters ($_SERVER).
*
* @var ServerBag
*/
public $server;
/**
* Uploaded files ($_FILES).
*
* @var FileBag
*/
public $files;
/**
* Cookies ($_COOKIE).
*
* @var InputBag
*/
public $cookies;
/**
* Headers (taken from the $_SERVER).
*
* @var HeaderBag
*/
public $headers;
/**
* @var string|resource|false|null
*/
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 SessionInterface|callable(): SessionInterface
*/
protected $session;
/**
* @var string|null
*/
protected $locale;
/**
* @var string
*/
protected $defaultLocale = 'en';
/**
* @var array
*/
protected static $formats;
protected static $requestFactory;
/**
* @var string|null
*/
private $preferredFormat;
private $isHostValid = true;
private $isForwardedValid = true;
/**
* @var bool|null
*/
private $isSafeContentPreferred;
private static $trustedHeaderSet = -1;
private const FORWARDED_PARAMS = [
self::HEADER_X_FORWARDED_FOR => 'for',
self::HEADER_X_FORWARDED_HOST => 'host',
self::HEADER_X_FORWARDED_PROTO => 'proto',
self::HEADER_X_FORWARDED_PORT => 'host',
];
/**
* 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).
*/
private const TRUSTED_HEADERS = [
self::HEADER_FORWARDED => 'FORWARDED',
self::HEADER_X_FORWARDED_FOR => 'X_FORWARDED_FOR',
self::HEADER_X_FORWARDED_HOST => 'X_FORWARDED_HOST',
self::HEADER_X_FORWARDED_PROTO => 'X_FORWARDED_PROTO',
self::HEADER_X_FORWARDED_PORT => 'X_FORWARDED_PORT',
self::HEADER_X_FORWARDED_PREFIX => 'X_FORWARDED_PREFIX',
];
/** @var bool */
private $isIisRewrite = false;
/**
* @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|null $content The raw body data
*/
public function __construct(array $query = [], array $request = [], array $attributes = [], array $cookies = [], array $files = [], array $server = [], $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|null $content The raw body data
*/
public function initialize(array $query = [], array $request = [], array $attributes = [], array $cookies = [], array $files = [], array $server = [], $content = null)
{
$this->request = new InputBag($request);
$this->query = new InputBag($query);
$this->attributes = new ParameterBag($attributes);
$this->cookies = new InputBag($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 static
*/
public static function createFromGlobals()
{
$request = self::createRequestFromFactory($_GET, $_POST, [], $_COOKIE, $_FILES, $_SERVER);
if (str_starts_with($request->headers->get('CONTENT_TYPE', ''), 'application/x-www-form-urlencoded')
&& \in_array(strtoupper($request->server->get('REQUEST_METHOD', 'GET')), ['PUT', 'DELETE', 'PATCH'])
) {
parse_str($request->getContent(), $data);
$request->request = new InputBag($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|resource|null $content The raw body data
*
* @return static
*
* @throws BadRequestException When the URI is invalid
*/
public static function create(string $uri, string $method = 'GET', array $parameters = [], array $cookies = [], array $files = [], array $server = [], $content = null)
{
$server = array_replace([
'SERVER_NAME' => 'localhost',
'SERVER_PORT' => 80,
'HTTP_HOST' => 'localhost',
'HTTP_USER_AGENT' => 'Symfony',
'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(),
'REQUEST_TIME_FLOAT' => microtime(true),
], $server);
$server['PATH_INFO'] = '';
$server['REQUEST_METHOD'] = strtoupper($method);
if (false === $components = parse_url(\strlen($uri) !== strcspn($uri, '?#') ? $uri : $uri.'#')) {
throw new BadRequestException('Invalid URI.');
}
if (false !== ($i = strpos($uri, '\\')) && $i < strcspn($uri, '?#')) {
throw new BadRequestException('Invalid URI: A URI cannot contain a backslash.');
}
if (\strlen($uri) !== strcspn($uri, "\r\n\t")) {
throw new BadRequestException('Invalid URI: A URI cannot contain CR/LF/TAB characters.');
}
if ('' !== $uri && (\ord($uri[0]) <= 32 || \ord($uri[-1]) <= 32)) {
throw new BadRequestException('Invalid URI: A URI must not start nor end with ASCII control characters or spaces.');
}
if (isset($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'];
$server['HTTP_HOST'] .= ':'.$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 = [];
break;
default:
$request = [];
$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, [], $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.
*/
public static function setFactory(?callable $callable)
{
self::$requestFactory = $callable;
}
/**
* Clones a request and overrides some of its parameters.
*
* @param array|null $query The GET parameters
* @param array|null $request The POST parameters
* @param array|null $attributes The request attributes (parameters parsed from the PATH_INFO, ...)
* @param array|null $cookies The COOKIE parameters
* @param array|null $files The FILES parameters
* @param array|null $server The SERVER parameters
*
* @return static
*/
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 (null !== $query) {
$dup->query = new InputBag($query);
}
if (null !== $request) {
$dup->request = new InputBag($request);
}
if (null !== $attributes) {
$dup->attributes = new ParameterBag($attributes);
}
if (null !== $cookies) {
$dup->cookies = new InputBag($cookies);
}
if (null !== $files) {
$dup->files = new FileBag($files);
}
if (null !== $server) {
$dup->server = new ServerBag($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
*/
public function __toString()
{
$content = $this->getContent();
$cookieHeader = '';
$cookies = [];
foreach ($this->cookies as $k => $v) {
$cookies[] = \is_array($v) ? http_build_query([$k => $v], '', '; ', \PHP_QUERY_RFC3986) : "$k=$v";
}
if ($cookies) {
$cookieHeader = 'Cookie: '.implode('; ', $cookies)."\r\n";
}
return
sprintf('%s %s %s', $this->getMethod(), $this->getRequestUri(), $this->server->get('SERVER_PROTOCOL'))."\r\n".
$this->headers.
$cookieHeader."\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(), '', '&')));
$_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, ['CONTENT_TYPE', 'CONTENT_LENGTH', 'CONTENT_MD5'], true)) {
$_SERVER[$key] = implode(', ', $value);
} else {
$_SERVER['HTTP_'.$key] = implode(', ', $value);
}
}
$request = ['g' => $_GET, 'p' => $_POST, 'c' => $_COOKIE];
$requestOrder = \ini_get('request_order') ?: \ini_get('variables_order');
$requestOrder = preg_replace('#[^cgp]#', '', strtolower($requestOrder)) ?: 'gp';
$_REQUEST = [[]];
foreach (str_split($requestOrder) as $order) {
$_REQUEST[] = $request[$order];
}
$_REQUEST = array_merge(...$_REQUEST);
}
/**
* 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, the string 'REMOTE_ADDR' will be replaced with $_SERVER['REMOTE_ADDR']
* @param int $trustedHeaderSet A bit field of Request::HEADER_*, to set which headers to trust from your proxies
*/
public static function setTrustedProxies(array $proxies, int $trustedHeaderSet)
{
if (self::HEADER_X_FORWARDED_ALL === $trustedHeaderSet) {
trigger_deprecation('symfony/http-foundation', '5.2', 'The "HEADER_X_FORWARDED_ALL" constant is deprecated, use either "HEADER_X_FORWARDED_FOR | HEADER_X_FORWARDED_HOST | HEADER_X_FORWARDED_PORT | HEADER_X_FORWARDED_PROTO" or "HEADER_X_FORWARDED_AWS_ELB" or "HEADER_X_FORWARDED_TRAEFIK" constants instead.');
}
self::$trustedProxies = array_reduce($proxies, function ($proxies, $proxy) {
if ('REMOTE_ADDR' !== $proxy) {
$proxies[] = $proxy;
} elseif (isset($_SERVER['REMOTE_ADDR'])) {
$proxies[] = $_SERVER['REMOTE_ADDR'];
}
return $proxies;
}, []);
self::$trustedHeaderSet = $trustedHeaderSet;
}
/**
* Gets the list of trusted proxies.
*
* @return array
*/
public static function getTrustedProxies()
{
return self::$trustedProxies;
}
/**
* Gets the set of trusted headers from trusted proxies.
*
* @return int A bit field of Request::HEADER_* that defines which headers are trusted from your proxies
*/
public static function getTrustedHeaderSet()
{
return self::$trustedHeaderSet;
}
/**
* 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 = [];
}
/**
* Gets the list of trusted host patterns.
*
* @return array
*/
public static function getTrustedHosts()
{
return self::$trustedHostPatterns;
}
/**
* Normalizes a query string.
*
* It builds a normalized query string, where keys/value pairs are alphabetized,
* have consistent escaping and unneeded delimiters are removed.
*
* @return string
*/
public static function normalizeQueryString(?string $qs)
{
if ('' === ($qs ?? '')) {
return '';
}
$qs = HeaderUtils::parseQuery($qs);
ksort($qs);
return http_build_query($qs, '', '&', \PHP_QUERY_RFC3986);
}
/**
* 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::$httpMethodParameterOverride = true;
}
/**
* Checks whether support for the _method request parameter is enabled.
*
* @return bool
*/
public static function getHttpMethodParameterOverride()
{
return self::$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, POST
*
* @param mixed $default The default value if the parameter key does not exist
*
* @return mixed
*
* @internal since Symfony 5.4, use explicit input sources instead
*/
public function get(string $key, $default = null)
{
if ($this !== $result = $this->attributes->get($key, $this)) {
return $result;
}
if ($this->query->has($key)) {
return $this->query->all()[$key];
}
if ($this->request->has($key)) {
return $this->request->all()[$key];
}
return $default;
}
/**
* Gets the Session.
*
* @return SessionInterface
*/
public function getSession()
{
$session = $this->session;
if (!$session instanceof SessionInterface && null !== $session) {
$this->setSession($session = $session());
}
if (null === $session) {
throw new SessionNotFoundException('Session has not been set.');
}
return $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->getSession()->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.
*
* @param bool $skipIfUninitialized When true, ignores factories injected by `setSessionFactory`
*
* @return bool
*/
public function hasSession(/* bool $skipIfUninitialized = false */)
{
$skipIfUninitialized = \func_num_args() > 0 ? func_get_arg(0) : false;
return null !== $this->session && (!$skipIfUninitialized || $this->session instanceof SessionInterface);
}
public function setSession(SessionInterface $session)
{
$this->session = $session;
}
/**
* @internal
*
* @param callable(): SessionInterface $factory
*/
public function setSessionFactory(callable $factory)
{
$this->session = $factory;
}
/**
* 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
*
* @see getClientIp()
*/
public function getClientIps()
{
$ip = $this->server->get('REMOTE_ADDR');
if (!$this->isFromTrustedProxy()) {
return [$ip];
}
return $this->getTrustedValues(self::HEADER_X_FORWARDED_FOR, $ip) ?: [$ip];
}
/**
* 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 the $trustedHeaderSet
* argument of the Request::setTrustedProxies() method instead.
*
* @return string|null
*
* @see getClientIps()
* @see https://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()
{
$trustedPrefix = '';
// the proxy prefix must be prepended to any prefix being needed at the webserver level
if ($this->isFromTrustedProxy() && $trustedPrefixValues = $this->getTrustedValues(self::HEADER_X_FORWARDED_PREFIX)) {
$trustedPrefix = rtrim($trustedPrefixValues[0], '/');
}
return $trustedPrefix.$this->getBaseUrlReal();
}
/**
* Returns the real base URL received by the webserver from which this request is executed.
* The URL does not include trusted reverse proxy prefix.
*
* @return string The raw URL (i.e. not urldecoded)
*/
private function getBaseUrlReal(): string
{
if (null === $this->baseUrl) {
$this->baseUrl = $this->prepareBaseUrl();
}
return $this->baseUrl;
}
/**
* Gets the request's scheme.
*
* @return string
*/
public function getScheme()
{
return $this->isSecure() ? 'https' : 'http';
}
/**
* Returns the port on which the request is made.
*
* This method can read the client port from the "X-Forwarded-Port" header
* when trusted proxies were set via "setTrustedProxies()".
*
* The "X-Forwarded-Port" header must contain the client port.
*
* @return int|string|null Can be a string if fetched from the server bag
*/
public function getPort()
{
if ($this->isFromTrustedProxy() && $host = $this->getTrustedValues(self::HEADER_X_FORWARDED_PORT)) {
$host = $host[0];
} elseif ($this->isFromTrustedProxy() && $host = $this->getTrustedValues(self::HEADER_X_FORWARDED_HOST)) {
$host = $host[0];
} elseif (!$host = $this->headers->get('HOST')) {
return $this->server->get('SERVER_PORT');
}
if ('[' === $host[0]) {
$pos = strpos($host, ':', strrpos($host, ']'));
} else {
$pos = strrpos($host, ':');
}
if (false !== $pos && $port = substr($host, $pos + 1)) {
return (int) $port;
}
return 'https' === $this->getScheme() ? 443 : 80;
}
/**
* Returns the user.
*
* @return string|null
*/
public function getUser()
{
return $this->headers->get('PHP_AUTH_USER');
}