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CHIEFSOFT\ameye
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<?php
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declare(strict_types=1);
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/**
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* This file is part of CodeIgniter 4 framework.
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*
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* (c) CodeIgniter Foundation <admin@codeigniter.com>
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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namespace CodeIgniter\HTTP;
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use CodeIgniter\HTTP\Exceptions\HTTPException;
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use CodeIgniter\Superglobals;
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use Config\App;
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/**
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* Creates SiteURI using superglobals.
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*
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* This class also updates superglobal $_SERVER and $_GET.
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*
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* @see \CodeIgniter\HTTP\SiteURIFactoryTest
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*/
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final class SiteURIFactory
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{
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public function __construct(private readonly App $appConfig, private readonly Superglobals $superglobals)
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{
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}
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/**
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* Create the current URI object from superglobals.
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*
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* This method updates superglobal $_SERVER and $_GET.
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*/
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public function createFromGlobals(): SiteURI
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{
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$routePath = $this->detectRoutePath();
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return $this->createURIFromRoutePath($routePath);
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}
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/**
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* Create the SiteURI object from URI string.
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*
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* @internal Used for testing purposes only.
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* @testTag
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*/
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public function createFromString(string $uri): SiteURI
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{
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// Validate URI
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if (filter_var($uri, FILTER_VALIDATE_URL) === false) {
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throw HTTPException::forUnableToParseURI($uri);
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}
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$parts = parse_url($uri);
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if ($parts === false) {
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throw HTTPException::forUnableToParseURI($uri);
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}
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$query = $fragment = '';
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if (isset($parts['query'])) {
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$query = '?' . $parts['query'];
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}
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if (isset($parts['fragment'])) {
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$fragment = '#' . $parts['fragment'];
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}
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$relativePath = ($parts['path'] ?? '') . $query . $fragment;
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$host = $this->getValidHost($parts['host']);
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return new SiteURI($this->appConfig, $relativePath, $host, $parts['scheme']);
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}
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/**
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* Detects the current URI path relative to baseURL based on the URIProtocol
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* Config setting.
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*
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* @param string $protocol URIProtocol
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*
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* @return string The route path
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*
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* @internal Used for testing purposes only.
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* @testTag
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*/
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public function detectRoutePath(string $protocol = ''): string
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{
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if ($protocol === '') {
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$protocol = $this->appConfig->uriProtocol;
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}
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$routePath = match ($protocol) {
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'REQUEST_URI' => $this->parseRequestURI(),
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'QUERY_STRING' => $this->parseQueryString(),
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default => $this->superglobals->server($protocol) ?? $this->parseRequestURI(),
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};
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return ($routePath === '/' || $routePath === '') ? '/' : ltrim($routePath, '/');
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}
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/**
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* Will parse the REQUEST_URI and automatically detect the URI from it,
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* fixing the query string if necessary.
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*
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* This method updates superglobal $_SERVER and $_GET.
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*
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* @return string The route path (before normalization).
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*/
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private function parseRequestURI(): string
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{
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if (
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$this->superglobals->server('REQUEST_URI') === null
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|| $this->superglobals->server('SCRIPT_NAME') === null
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) {
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return '';
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}
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// parse_url() returns false if no host is present, but the path or query
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// string contains a colon followed by a number. So we attach a dummy
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// host since REQUEST_URI does not include the host. This allows us to
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// parse out the query string and path.
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$parts = parse_url('http://dummy' . $this->superglobals->server('REQUEST_URI'));
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$query = $parts['query'] ?? '';
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$path = $parts['path'] ?? '';
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// Strip the SCRIPT_NAME path from the URI
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if (
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$path !== '' && $this->superglobals->server('SCRIPT_NAME') !== ''
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&& pathinfo($this->superglobals->server('SCRIPT_NAME'), PATHINFO_EXTENSION) === 'php'
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) {
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// Compare each segment, dropping them until there is no match
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$segments = $keep = explode('/', $path);
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foreach (explode('/', $this->superglobals->server('SCRIPT_NAME')) as $i => $segment) {
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// If these segments are not the same then we're done
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if (! isset($segments[$i]) || $segment !== $segments[$i]) {
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break;
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}
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array_shift($keep);
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}
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$path = implode('/', $keep);
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}
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// This section ensures that even on servers that require the URI to
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// contain the query string (Nginx) a correct URI is found, and also
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// fixes the QUERY_STRING Server var and $_GET array.
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if (trim($path, '/') === '' && str_starts_with($query, '/')) {
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$parts = explode('?', $query, 2);
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$path = $parts[0];
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$newQuery = $query[1] ?? '';
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$this->superglobals->setServer('QUERY_STRING', $newQuery);
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} else {
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$this->superglobals->setServer('QUERY_STRING', $query);
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}
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// Update our global GET for values likely to have been changed
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parse_str($this->superglobals->server('QUERY_STRING'), $get);
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$this->superglobals->setGetArray($get);
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return URI::removeDotSegments($path);
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}
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/**
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* Will parse QUERY_STRING and automatically detect the URI from it.
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*
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* This method updates superglobal $_SERVER and $_GET.
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*
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* @return string The route path (before normalization).
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*/
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private function parseQueryString(): string
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{
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$query = $this->superglobals->server('QUERY_STRING') ?? (string) getenv('QUERY_STRING');
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if (trim($query, '/') === '') {
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return '/';
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}
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if (str_starts_with($query, '/')) {
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$parts = explode('?', $query, 2);
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$path = $parts[0];
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$newQuery = $parts[1] ?? '';
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$this->superglobals->setServer('QUERY_STRING', $newQuery);
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} else {
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$path = $query;
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}
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// Update our global GET for values likely to have been changed
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parse_str($this->superglobals->server('QUERY_STRING'), $get);
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$this->superglobals->setGetArray($get);
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return URI::removeDotSegments($path);
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}
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/**
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* Create current URI object.
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*
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* @param string $routePath URI path relative to baseURL
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*/
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private function createURIFromRoutePath(string $routePath): SiteURI
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{
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$query = $this->superglobals->server('QUERY_STRING') ?? '';
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$relativePath = $query !== '' ? $routePath . '?' . $query : $routePath;
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return new SiteURI($this->appConfig, $relativePath, $this->getHost());
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}
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/**
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* @return string|null The current hostname. Returns null if no valid host.
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*/
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private function getHost(): ?string
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{
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$httpHostPort = $this->superglobals->server('HTTP_HOST') ?? null;
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if ($httpHostPort !== null) {
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[$httpHost] = explode(':', $httpHostPort, 2);
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return $this->getValidHost($httpHost);
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}
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return null;
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}
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/**
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* @return string|null The valid hostname. Returns null if not valid.
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*/
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private function getValidHost(string $host): ?string
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{
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if (in_array($host, $this->appConfig->allowedHostnames, true)) {
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return $host;
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}
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return null;
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}
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}
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