vendor/symfony/http-foundation/Request.php line 42
<?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\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 symbolsclass_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 <fabien@symfony.com>*/class Request{public const HEADER_FORWARDED = 0b000001; // When using RFC 7239public 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;public const HEADER_X_FORWARDED_AWS_ELB = 0b0011010; // AWS ELB doesn't send X-Forwarded-Hostpublic const HEADER_X_FORWARDED_TRAEFIK = 0b0111110; // All "X-Forwarded-*" headers sent by Traefik reverse proxypublic 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 string[]*/protected $languages;/*** @var string[]*/protected $charsets;/*** @var string[]*/protected $encodings;/*** @var string[]*/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<string, string[]>*/protected static $formats;protected static $requestFactory;private ?string $preferredFormat = null;private bool $isHostValid = true;private bool $isForwardedValid = true;private bool $isSafeContentPreferred;private static int $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',];/*** @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;$this->format = null;}/*** Creates a new request with values from PHP's super globals.*/public static function createFromGlobals(): static{$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*/public static function create(string $uri, string $method = 'GET', array $parameters = [], array $cookies = [], array $files = [], array $server = [], $content = null): static{$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);$components = parse_url($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'] .= ':'.$components['port'];}if (isset($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 breakcase '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*/public function duplicate(array $query = null, array $request = null, array $attributes = null, array $cookies = null, array $files = null, array $server = null): static{$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 $this->headers;}public function __toString(): string{$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";}returnsprintf('%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 $trustedHeaderSet){self::$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 = $trustedHeaderSet;}/*** Gets the list of trusted proxies.** @return string[]*/public static function getTrustedProxies(): array{return self::$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(): int{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);}, $hostPatterns);// we need to reset trusted hosts on trusted host patterns changeself::$trustedHosts = [];}/*** Gets the list of trusted host patterns.** @return string[]*/public static function getTrustedHosts(): array{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.*/public static function normalizeQueryString(?string $qs): string{if ('' === ($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::$httpMethodParameterOverride = true;}/*** Checks whether support for the _method request parameter is enabled.*/public static function getHttpMethodParameterOverride(): bool{return self::$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** @internal use explicit input sources instead*/public function get(string $key, mixed $default = null): mixed{if ($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 $default;}/*** Gets the Session.** @throws SessionNotFoundException When session is not set properly*/public function getSession(): SessionInterface{$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.*/public function hasPreviousSession(): bool{// the check for $this->session avoids malicious users trying to fake a session cookie with proper namereturn $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`*/public function hasSession(bool $skipIfUninitialized = false): bool{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 = $factory;}/*** Returns the client IP addresses.** In the returned array the most trusted IP address is first, and the* least trusted one last. The "real" client IP address is the last one,* but this is also the least trusted one. Trusted proxies are stripped.** Use this method carefully; you should use getClientIp() instead.** @see getClientIp()*/public function getClientIps(): array{$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 $trustedHeaderSet* argument of the Request::setTrustedProxies() method instead.** @see getClientIps()* @see https://wikipedia.org/wiki/X-Forwarded-For*/public function getClientIp(): ?string{$ipAddresses = $this->getClientIps();return $ipAddresses[0];}/*** Returns current script name.*/public function getScriptName(): string{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(): string{return $this->pathInfo ??= $this->preparePathInfo();}/*** 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(): string{return $this->basePath ??= $this->prepareBasePath();}/*** Returns the root URL from which this request is executed.** The base URL never ends with a /.** This is similar to getBasePath(), except that it also includes the* script filename (e.g. index.php) if one exists.** @return string The raw URL (i.e. not urldecoded)*/public function getBaseUrl(): string{$trustedPrefix = '';// the proxy prefix must be prepended to any prefix being needed at the webserver levelif ($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{return $this->baseUrl ??= $this->prepareBaseUrl();}/*** Gets the request's scheme.*/public function getScheme(): string{return $this->isSecure() ? 'https' : 'http';}/*** Returns the port on which the request is made.** This method can read the client port from the "X-Forwarded-Port" header* when trusted proxies were set via "setTrustedProxies()".** The "X-Forwarded-Port" header must contain the client port.** @return int|string|null Can be a string if fetched from the server bag*/public function getPort(): int|string|null{if ($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.*/public function getUser(): ?string{return $this->headers->get('PHP_AUTH_USER');}/*** Returns the password.*/public function getPassword(): ?string{return $this->headers->get('PHP_AUTH_PW');}/*** Gets the user info.** @return string|null A user name if any and, optionally, scheme-specific information about how to gain authorization to access the server*/public function getUserInfo(): ?string{$userinfo = $this->getUser();$pass = $this->getPassword();if ('' != $pass) {$userinfo .= ":$pass";}return $userinfo;}/*** Returns the HTTP host being requested.** The port name will be appended to the host if it's non-standard.*/public function getHttpHost(): string{$scheme = $this->getScheme();$port = $this->getPort();if (('http' === $scheme && 80 == $port) || ('https' === $scheme && 443 == $port)) {return $this->getHost();}return $this->getHost().':'.$port;}/*** Returns the requested URI (path and query string).** @return string The raw URI (i.e. not URI decoded)*/public function getRequestUri(): string{return $this->requestUri ??= $this->prepareRequestUri();}/*** Gets the scheme and HTTP host.** If the URL was called with basic authentication, the user* and the password are not added to the generated string.*/public function getSchemeAndHttpHost(): string{return $this->getScheme().'://'.$this->getHttpHost();}/*** Generates a normalized URI (URL) for the Request.** @see getQueryString()*/public function getUri(): string{if (null !== $qs = $this->getQueryString()) {$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*/public function getUriForPath(string $path): string{return $this->getSchemeAndHttpHost().$this->getBaseUrl().$path;}/*** Returns the path as relative reference from the current Request path.** Only the URIs path component (no schema, host etc.) is relevant and must be given.* Both paths must be absolute and not contain relative parts.* Relative URLs from one resource to another are useful when generating self-contained downloadable document archives.* Furthermore, they can be used to reduce the link size in documents.** Example target paths, given a base path of "/a/b/c/d":* - "/a/b/c/d" -> ""* - "/a/b/c/" -> "./"* - "/a/b/" -> "../"* - "/a/b/c/other" -> "other"* - "/a/x/y" -> "../../x/y"*/public function getRelativeUriForPath(string $path): string{// be sure that we are dealing with an absolute pathif (!isset($path[0]) || '/' !== $path[0]) {return $path;}if ($path === $basePath = $this->getPathInfo()) {return '';}$sourceDirs = explode('/', isset($basePath[0]) && '/' === $basePath[0] ? substr($basePath, 1) : $basePath);$targetDirs = explode('/', substr($path, 1));array_pop($sourceDirs);$targetFile = array_pop($targetDirs);foreach ($sourceDirs as $i => $dir) {if (isset($targetDirs[$i]) && $dir === $targetDirs[$i]) {unset($sourceDirs[$i], $targetDirs[$i]);} else {break;}}$targetDirs[] = $targetFile;$path = str_repeat('../', \count($sourceDirs)).implode('/', $targetDirs);// A reference to the same base directory or an empty subdirectory must be prefixed with "./".// This also applies to a segment with a colon character (e.g., "file:colon") that cannot be used// as the first segment of a relative-path reference, as it would be mistaken for a scheme name// (see https://tools.ietf.org/html/rfc3986#section-4.2).return !isset($path[0]) || '/' === $path[0]|| false !== ($colonPos = strpos($path, ':')) && ($colonPos < ($slashPos = strpos($path, '/')) || false === $slashPos)? "./$path" : $path;}/*** Generates the normalized query string for the Request.** It builds a normalized query string, where keys/value pairs are alphabetized* and have consistent escaping.*/public function getQueryString(): ?string{$qs = static::normalizeQueryString($this->server->get('QUERY_STRING'));return '' === $qs ? null : $qs;}/*** Checks whether the request is secure or not.** This method can read the client protocol from the "X-Forwarded-Proto" header* when trusted proxies were set via "setTrustedProxies()".** The "X-Forwarded-Proto" header must contain the protocol: "https" or "http".*/public function isSecure(): bool{if ($this->isFromTrustedProxy() && $proto = $this->getTrustedValues(self::HEADER_X_FORWARDED_PROTO)) {return \in_array(strtolower($proto[0]), ['https', 'on', 'ssl', '1'], true);}$https = $this->server->get('HTTPS');return !empty($https) && 'off' !== strtolower($https);}/*** Returns the host name.** This method can read the client host name from the "X-Forwarded-Host" header* when trusted proxies were set via "setTrustedProxies()".** The "X-Forwarded-Host" header must contain the client host name.** @throws SuspiciousOperationException when the host name is invalid or not trusted*/public function getHost(): string{if ($this->isFromTrustedProxy() && $host = $this->getTrustedValues(self::HEADER_X_FORWARDED_HOST)) {$host = $host[0];} elseif (!$host = $this->headers->get('HOST')) {if (!$host = $this->server->get('SERVER_NAME')) {$host = $this->server->get('SERVER_ADDR', '');}}// trim and remove port number from host// host is lowercase as per RFC 952/2181$host = strtolower(preg_replace('/:\d+$/', '', trim($host)));// as the host can come from the user (HTTP_HOST and depending on the configuration, SERVER_NAME too can come from the user)// check that it does not contain forbidden characters (see RFC 952 and RFC 2181)// use preg_replace() instead of preg_match() to prevent DoS attacks with long host namesif ($host && '' !== preg_replace('/(?:^\[)?[a-zA-Z0-9-:\]_]+\.?/', '', $host)) {if (!$this->isHostValid) {return '';}$this->isHostValid = false;throw new SuspiciousOperationException(sprintf('Invalid Host "%s".', $host));}if (\count(self::$trustedHostPatterns) > 0) {// to avoid host header injection attacks, you should provide a list of trusted host patternsif (\in_array($host, self::$trustedHosts)) {return $host;}foreach (self::$trustedHostPatterns as $pattern) {if (preg_match($pattern, $host)) {self::$trustedHosts[] = $host;return $host;}}if (!$this->isHostValid) {return '';}$this->isHostValid = false;throw new SuspiciousOperationException(sprintf('Untrusted Host "%s".', $host));}return $host;}/*** Sets the request method.*/public function setMethod(string $method){$this->method = null;$this->server->set('REQUEST_METHOD', $method);}/*** Gets the request "intended" method.** If the X-HTTP-Method-Override header is set, and if the method is a POST,* then it is used to determine the "real" intended HTTP method.** The _method request parameter can also be used to determine the HTTP method,* but only if enableHttpMethodParameterOverride() has been called.** The method is always an uppercased string.** @see getRealMethod()*/public function getMethod(): string{if (null !== $this->method) {return $this->method;}$this->method = strtoupper($this->server->get('REQUEST_METHOD', 'GET'));if ('POST' !== $this->method) {return $this->method;}$method = $this->headers->get('X-HTTP-METHOD-OVERRIDE');if (!$method && self::$httpMethodParameterOverride) {$method = $this->request->get('_method', $this->query->get('_method', 'POST'));}if (!\is_string($method)) {return $this->method;}$method = strtoupper($method);if (\in_array($method, ['GET', 'HEAD', 'POST', 'PUT', 'DELETE', 'CONNECT', 'OPTIONS', 'PATCH', 'PURGE', 'TRACE'], true)) {return $this->method = $method;}if (!preg_match('/^[A-Z]++$/D', $method)) {throw new SuspiciousOperationException(sprintf('Invalid method override "%s".', $method));}return $this->method = $method;}/*** Gets the "real" request method.** @see getMethod()*/public function getRealMethod(): string{return strtoupper($this->server->get('REQUEST_METHOD', 'GET'));}/*** Gets the mime type associated with the format.*/public function getMimeType(string $format): ?string{if (null === static::$formats) {static::initializeFormats();}return isset(static::$formats[$format]) ? static::$formats[$format][0] : null;}/*** Gets the mime types associated with the format.** @return string[]*/public static function getMimeTypes(string $format): array{if (null === static::$formats) {static::initializeFormats();}return static::$formats[$format] ?? [];}/*** Gets the format associated with the mime type.*/public function getFormat(?string $mimeType): ?string{$canonicalMimeType = null;if ($mimeType && false !== $pos = strpos($mimeType, ';')) {$canonicalMimeType = trim(substr($mimeType, 0, $pos));}if (null === static::$formats) {static::initializeFormats();}foreach (static::$formats as $format => $mimeTypes) {if (\in_array($mimeType, (array) $mimeTypes)) {return $format;}if (null !== $canonicalMimeType && \in_array($canonicalMimeType, (array) $mimeTypes)) {return $format;}}return null;}/*** Associates a format with mime types.** @param string|string[] $mimeTypes The associated mime types (the preferred one must be the first as it will be used as the content type)*/public function setFormat(?string $format, string|array $mimeTypes){if (null === static::$formats) {static::initializeFormats();}static::$formats[$format] = \is_array($mimeTypes) ? $mimeTypes : [$mimeTypes];}/*** Gets the request format.** Here is the process to determine the format:** * format defined by the user (with setRequestFormat())* * _format request attribute* * $default** @see getPreferredFormat*/public function getRequestFormat(?string $default = 'html'): ?string{$this->format ??= $this->attributes->get('_format');return $this->format ?? $default;}/*** Sets the request format.*/public function setRequestFormat(?string $format){$this->format = $format;}/*** Gets the usual name of the format associated with the request's media type (provided in the Content-Type header).** @deprecated since Symfony 6.2, use getContentTypeFormat() instead*/public function getContentType(): ?string{trigger_deprecation('symfony/http-foundation', '6.2', 'The "%s()" method is deprecated, use "getContentTypeFormat()" instead.', __METHOD__);return $this->getContentTypeFormat();}/*** Gets the usual name of the format associated with the request's media type (provided in the Content-Type header).** @see Request::$formats*/public function getContentTypeFormat(): ?string{return $this->getFormat($this->headers->get('CONTENT_TYPE', ''));}/*** Sets the default locale.*/public function setDefaultLocale(string $locale){$this->defaultLocale = $locale;if (null === $this->locale) {$this->setPhpDefaultLocale($locale);}}/*** Get the default locale.*/public function getDefaultLocale(): string{return $this->defaultLocale;}/*** Sets the locale.*/public function setLocale(string $locale){$this->setPhpDefaultLocale($this->locale = $locale);}/*** Get the locale.*/public function getLocale(): string{return $this->locale ?? $this->defaultLocale;}/*** Checks if the request method is of specified type.** @param string $method Uppercase request method (GET, POST etc)*/public function isMethod(string $method): bool{return $this->getMethod() === strtoupper($method);}/*** Checks whether or not the method is safe.** @see https://tools.ietf.org/html/rfc7231#section-4.2.1*/public function isMethodSafe(): bool{return \in_array($this->getMethod(), ['GET', 'HEAD', 'OPTIONS', 'TRACE']);}/*** Checks whether or not the method is idempotent.*/public function isMethodIdempotent(): bool{return \in_array($this->getMethod(), ['HEAD', 'GET', 'PUT', 'DELETE', 'TRACE', 'OPTIONS', 'PURGE']);}/*** Checks whether the method is cacheable or not.** @see https://tools.ietf.org/html/rfc7231#section-4.2.3*/public function isMethodCacheable(): bool{return \in_array($this->getMethod(), ['GET', 'HEAD']);}/*** Returns the protocol version.** If the application is behind a proxy, the protocol version used in the* requests between the client and the proxy and between the proxy and the* server might be different. This returns the former (from the "Via" header)* if the proxy is trusted (see "setTrustedProxies()"), otherwise it returns* the latter (from the "SERVER_PROTOCOL" server parameter).*/public function getProtocolVersion(): ?string{if ($this->isFromTrustedProxy()) {preg_match('~^(HTTP/)?([1-9]\.[0-9]) ~', $this->headers->get('Via') ?? '', $matches);if ($matches) {return 'HTTP/'.$matches[2];}}return $this->server->get('SERVER_PROTOCOL');}/*** Returns the request body content.** @param bool $asResource If true, a resource will be returned** @return string|resource** @psalm-return ($asResource is true ? resource : string)*/public function getContent(bool $asResource = false){$currentContentIsResource = \is_resource($this->content);if (true === $asResource) {if ($currentContentIsResource) {rewind($this->content);return $this->content;}// Content passed in parameter (test)if (\is_string($this->content)) {$resource = fopen('php://temp', 'r+');fwrite($resource, $this->content);rewind($resource);return $resource;}$this->content = false;return fopen('php://input', 'r');}if ($currentContentIsResource) {rewind($this->content);return stream_get_contents($this->content);}if (null === $this->content || false === $this->content) {$this->content = file_get_contents('php://input');}return $this->content;}/*** Gets the request body decoded as array, typically from a JSON payload.** @throws JsonException When the body cannot be decoded to an array*/public function toArray(): array{if ('' === $content = $this->getContent()) {throw new JsonException('Request body is empty.');}try {$content = json_decode($content, true, 512, \JSON_BIGINT_AS_STRING | \JSON_THROW_ON_ERROR);} catch (\JsonException $e) {throw new JsonException('Could not decode request body.', $e->getCode(), $e);}if (!\is_array($content)) {throw new JsonException(sprintf('JSON content was expected to decode to an array, "%s" returned.', get_debug_type($content)));}return $content;}/*** Gets the Etags.*/public function getETags(): array{return preg_split('/\s*,\s*/', $this->headers->get('If-None-Match', ''), -1, \PREG_SPLIT_NO_EMPTY);}public function isNoCache(): bool{return $this->headers->hasCacheControlDirective('no-cache') || 'no-cache' == $this->headers->get('Pragma');}/*** Gets the preferred format for the response by inspecting, in the following order:* * the request format set using setRequestFormat;* * the values of the Accept HTTP header.** Note that if you use this method, you should send the "Vary: Accept" header* in the response to prevent any issues with intermediary HTTP caches.*/public function getPreferredFormat(?string $default = 'html'): ?string{if (null !== $this->preferredFormat || null !== $this->preferredFormat = $this->getRequestFormat(null)) {return $this->preferredFormat;}foreach ($this->getAcceptableContentTypes() as $mimeType) {if ($this->preferredFormat = $this->getFormat($mimeType)) {return $this->preferredFormat;}}return $default;}/*** Returns the preferred language.** @param string[] $locales An array of ordered available locales*/public function getPreferredLanguage(array $locales = null): ?string{$preferredLanguages = $this->getLanguages();if (empty($locales)) {return $preferredLanguages[0] ?? null;}if (!$preferredLanguages) {return $locales[0];}$extendedPreferredLanguages = [];foreach ($preferredLanguages as $language) {$extendedPreferredLanguages[] = $language;if (false !== $position = strpos($language, '_')) {$superLanguage = substr($language, 0, $position);if (!\in_array($superLanguage, $preferredLanguages)) {$extendedPreferredLanguages[] = $superLanguage;}}}$preferredLanguages = array_values(array_intersect($extendedPreferredLanguages, $locales));return $preferredLanguages[0] ?? $locales[0];}/*** Gets a list of languages acceptable by the client browser ordered in the user browser preferences.** @return string[]*/public function getLanguages(): array{if (null !== $this->languages) {return $this->languages;}$languages = AcceptHeader::fromString($this->headers->get('Accept-Language'))->all();$this->languages = [];foreach ($languages as $acceptHeaderItem) {$lang = $acceptHeaderItem->getValue();if (str_contains($lang, '-')) {$codes = explode('-', $lang);if ('i' === $codes[0]) {// Language not listed in ISO 639 that are not variants// of any listed language, which can be registered with the// i-prefix, such as i-cherokeeif (\count($codes) > 1) {$lang = $codes[1];}} else {for ($i = 0, $max = \count($codes); $i < $max; ++$i) {if (0 === $i) {$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 in preferable order.** @return string[]*/public function getCharsets(): array{if (null !== $this->charsets) {return $this->charsets;}return $this->charsets = array_map('strval', array_keys(AcceptHeader::fromString($this->headers->get('Accept-Charset'))->all()));}/*** Gets a list of encodings acceptable by the client browser in preferable order.** @return string[]*/public function getEncodings(): array{if (null !== $this->encodings) {return $this->encodings;}return $this->encodings = array_map('strval', array_keys(AcceptHeader::fromString($this->headers->get('Accept-Encoding'))->all()));}/*** Gets a list of content types acceptable by the client browser in preferable order.** @return string[]*/public function getAcceptableContentTypes(): array{if (null !== $this->acceptableContentTypes) {return $this->acceptableContentTypes;}return $this->acceptableContentTypes = array_map('strval', array_keys(AcceptHeader::fromString($this->headers->get('Accept'))->all()));}/*** Returns true if the request is an XMLHttpRequest.** It works if your JavaScript library sets an X-Requested-With HTTP header.* It is known to work with common JavaScript frameworks:** @see https://wikipedia.org/wiki/List_of_Ajax_frameworks#JavaScript*/public function isXmlHttpRequest(): bool{return 'XMLHttpRequest' == $this->headers->get('X-Requested-With');}/*** Checks whether the client browser prefers safe content or not according to RFC8674.** @see https://tools.ietf.org/html/rfc8674*/public function preferSafeContent(): bool{if (isset($this->isSafeContentPreferred)) {return $this->isSafeContentPreferred;}if (!$this->isSecure()) {// see https://tools.ietf.org/html/rfc8674#section-3return $this->isSafeContentPreferred = false;}return $this->isSafeContentPreferred = AcceptHeader::fromString($this->headers->get('Prefer'))->has('safe');}/** The following methods are derived from code of the Zend Framework (1.10dev - 2010-01-24)** Code subject to the new BSD license (https://framework.zend.com/license).** Copyright (c) 2005-2010 Zend Technologies USA Inc. (https://www.zend.com/)*/protected function prepareRequestUri(){$requestUri = '';if ('1' == $this->server->get('IIS_WasUrlRewritten') && '' != $this->server->get('UNENCODED_URL')) {// IIS7 with URL Rewrite: make sure we get the unencoded URL (double slash problem)$requestUri = $this->server->get('UNENCODED_URL');$this->server->remove('UNENCODED_URL');$this->server->remove('IIS_WasUrlRewritten');} elseif ($this->server->has('REQUEST_URI')) {$requestUri = $this->server->get('REQUEST_URI');if ('' !== $requestUri && '/' === $requestUri[0]) {// To only use path and query remove the fragment.if (false !== $pos = strpos($requestUri, '#')) {$requestUri = substr($requestUri, 0, $pos);}} else {// HTTP proxy reqs setup request URI with scheme and host [and port] + the URL path,// only use URL path.$uriComponents = parse_url($requestUri);if (isset($uriComponents['path'])) {$requestUri = $uriComponents['path'];}if (isset($uriComponents['query'])) {$requestUri .= '?'.$uriComponents['query'];}}} 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 .= '?'.$this->server->get('QUERY_STRING');}$this->server->remove('ORIG_PATH_INFO');}// normalize the request URI to ease creating sub-requests from this request$this->server->set('REQUEST_URI', $requestUri);return $requestUri;}/*** Prepares the base URL.*/protected function prepareBaseUrl(): string{$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 ('' !== $requestUri && '/' !== $requestUri[0]) {$requestUri = '/'.$requestUri;}if ($baseUrl && null !== $prefix = $this->getUrlencodedPrefix($requestUri, $baseUrl)) {// full $baseUrl matchesreturn $prefix;}if ($baseUrl && null !== $prefix = $this->getUrlencodedPrefix($requestUri, rtrim(\dirname($baseUrl), '/'.\DIRECTORY_SEPARATOR).'/')) {// directory portion of $baseUrl matchesreturn rtrim($prefix, '/'.\DIRECTORY_SEPARATOR);}$truncatedRequestUri = $requestUri;if (false !== $pos = strpos($requestUri, '?')) {$truncatedRequestUri = substr($requestUri, 0, $pos);}$basename = basename($baseUrl ?? '');if (empty($basename) || !strpos(rawurldecode($truncatedRequestUri), $basename)) {// no match whatsoever; set it blankreturn '';}// If using mod_rewrite or ISAPI_Rewrite strip the script filename// out of baseUrl. $pos !== 0 makes sure it is not matching a value// from PATH_INFO or QUERY_STRINGif (\strlen($requestUri) >= \strlen($baseUrl) && (false !== $pos = strpos($requestUri, $baseUrl)) && 0 !== $pos) {$baseUrl = substr($requestUri, 0, $pos + \strlen($baseUrl));}return rtrim($baseUrl, '/'.\DIRECTORY_SEPARATOR);}/*** Prepares the base path.*/protected function prepareBasePath(): string{$baseUrl = $this->getBaseUrl();if (empty($baseUrl)) {return '';}$filename = basename($this->server->get('SCRIPT_FILENAME'));if (basename($baseUrl) === $filename) {$basePath = \dirname($baseUrl);} else {$basePath = $baseUrl;}if ('\\' === \DIRECTORY_SEPARATOR) {$basePath = str_replace('\\', '/', $basePath);}return rtrim($basePath, '/');}/*** Prepares the path info.*/protected function preparePathInfo(): string{if (null === ($requestUri = $this->getRequestUri())) {return '/';}// Remove the query string from REQUEST_URIif (false !== $pos = strpos($requestUri, '?')) {$requestUri = substr($requestUri, 0, $pos);}if ('' !== $requestUri && '/' !== $requestUri[0]) {$requestUri = '/'.$requestUri;}if (null === ($baseUrl = $this->getBaseUrlReal())) {return $requestUri;}$pathInfo = substr($requestUri, \strlen($baseUrl));if (false === $pathInfo || '' === $pathInfo) {// If substr() returns false then PATH_INFO is set to an empty stringreturn '/';}return $pathInfo;}/*** Initializes HTTP request formats.*/protected static function initializeFormats(){static::$formats = ['html' => ['text/html', 'application/xhtml+xml'],'txt' => ['text/plain'],'js' => ['application/javascript', 'application/x-javascript', 'text/javascript'],'css' => ['text/css'],'json' => ['application/json', 'application/x-json'],'jsonld' => ['application/ld+json'],'xml' => ['text/xml', 'application/xml', 'application/x-xml'],'rdf' => ['application/rdf+xml'],'atom' => ['application/atom+xml'],'rss' => ['application/rss+xml'],'form' => ['application/x-www-form-urlencoded', 'multipart/form-data'],];}private function setPhpDefaultLocale(string $locale): void{// if either the class Locale doesn't exist, or an exception is thrown when// setting the default locale, the intl module is not installed, and// the call can be ignored:try {if (class_exists(\Locale::class, false)) {\Locale::setDefault($locale);}} catch (\Exception) {}}/*** Returns the prefix as encoded in the string when the string starts with* the given prefix, null otherwise.*/private function getUrlencodedPrefix(string $string, string $prefix): ?string{if (!str_starts_with(rawurldecode($string), $prefix)) {return null;}$len = \strlen($prefix);if (preg_match(sprintf('#^(%%[[:xdigit:]]{2}|.){%d}#', $len), $string, $match)) {return $match[0];}return null;}private static function createRequestFromFactory(array $query = [], array $request = [], array $attributes = [], array $cookies = [], array $files = [], array $server = [], $content = null): static{if (self::$requestFactory) {$request = (self::$requestFactory)($query, $request, $attributes, $cookies, $files, $server, $content);if (!$request instanceof self) {throw new \LogicException('The Request factory must return an instance of Symfony\Component\HttpFoundation\Request.');}return $request;}return new static($query, $request, $attributes, $cookies, $files, $server, $content);}/*** Indicates whether this request originated from a trusted proxy.** This can be useful to determine whether or not to trust the* contents of a proxy-specific header.*/public function isFromTrustedProxy(): bool{return self::$trustedProxies && IpUtils::checkIp($this->server->get('REMOTE_ADDR', ''), self::$trustedProxies);}private function getTrustedValues(int $type, string $ip = null): array{$clientValues = [];$forwardedValues = [];if ((self::$trustedHeaderSet & $type) && $this->headers->has(self::TRUSTED_HEADERS[$type])) {foreach (explode(',', $this->headers->get(self::TRUSTED_HEADERS[$type])) as $v) {$clientValues[] = (self::HEADER_X_FORWARDED_PORT === $type ? '0.0.0.0:' : '').trim($v);}}if ((self::$trustedHeaderSet & self::HEADER_FORWARDED) && (isset(self::FORWARDED_PARAMS[$type])) && $this->headers->has(self::TRUSTED_HEADERS[self::HEADER_FORWARDED])) {$forwarded = $this->headers->get(self::TRUSTED_HEADERS[self::HEADER_FORWARDED]);$parts = HeaderUtils::split($forwarded, ',;=');$forwardedValues = [];$param = self::FORWARDED_PARAMS[$type];foreach ($parts as $subParts) {if (null === $v = HeaderUtils::combine($subParts)[$param] ?? null) {continue;}if (self::HEADER_X_FORWARDED_PORT === $type) {if (str_ends_with($v, ']') || false === $v = strrchr($v, ':')) {$v = $this->isSecure() ? ':443' : ':80';}$v = '0.0.0.0'.$v;}$forwardedValues[] = $v;}}if (null !== $ip) {$clientValues = $this->normalizeAndFilterClientIps($clientValues, $ip);$forwardedValues = $this->normalizeAndFilterClientIps($forwardedValues, $ip);}if ($forwardedValues === $clientValues || !$clientValues) {return $forwardedValues;}if (!$forwardedValues) {return $clientValues;}if (!$this->isForwardedValid) {return null !== $ip ? ['0.0.0.0', $ip] : [];}$this->isForwardedValid = false;throw new ConflictingHeadersException(sprintf('The request has both a trusted "%s" header and a trusted "%s" header, conflicting with each other. You should either configure your proxy to remove one of them, or configure your project to distrust the offending one.', self::TRUSTED_HEADERS[self::HEADER_FORWARDED], self::TRUSTED_HEADERS[$type]));}private function normalizeAndFilterClientIps(array $clientIps, string $ip): array{if (!$clientIps) {return [];}$clientIps[] = $ip; // Complete the IP chain with the IP the request actually came from$firstTrustedIp = null;foreach ($clientIps as $key => $clientIp) {if (strpos($clientIp, '.')) {// Strip :port from IPv4 addresses. This is allowed in Forwarded// and may occur in X-Forwarded-For.$i = strpos($clientIp, ':');if ($i) {$clientIps[$key] = $clientIp = substr($clientIp, 0, $i);}} elseif (str_starts_with($clientIp, '[')) {// Strip brackets and :port from IPv6 addresses.$i = strpos($clientIp, ']', 1);$clientIps[$key] = $clientIp = substr($clientIp, 1, $i - 1);}if (!filter_var($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$firstTrustedIp ??= $clientIp;}}// Now the IP chain contains only untrusted proxies and the client IPreturn $clientIps ? array_reverse($clientIps) : [$firstTrustedIp];}}