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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation;
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/**
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* ServerBag is a container for HTTP headers from the $_SERVER variable.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Bulat Shakirzyanov <mallluhuct@gmail.com>
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* @author Robert Kiss <kepten@gmail.com>
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*/
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class ServerBag extends ParameterBag
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{
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/**
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* Gets the HTTP headers.
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*/
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public function getHeaders(): array
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{
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$headers = [];
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foreach ($this->parameters as $key => $value) {
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if (str_starts_with($key, 'HTTP_')) {
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$headers[substr($key, 5)] = $value;
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} elseif (\in_array($key, ['CONTENT_TYPE', 'CONTENT_LENGTH', 'CONTENT_MD5'], true)) {
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$headers[$key] = $value;
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}
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}
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if (isset($this->parameters['PHP_AUTH_USER'])) {
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$headers['PHP_AUTH_USER'] = $this->parameters['PHP_AUTH_USER'];
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$headers['PHP_AUTH_PW'] = $this->parameters['PHP_AUTH_PW'] ?? '';
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} else {
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/*
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* php-cgi under Apache does not pass HTTP Basic user/pass to PHP by default
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* For this workaround to work, add these lines to your .htaccess file:
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* RewriteCond %{HTTP:Authorization} .+
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* RewriteRule ^ - [E=HTTP_AUTHORIZATION:%0]
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*
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* A sample .htaccess file:
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* RewriteEngine On
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* RewriteCond %{HTTP:Authorization} .+
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* RewriteRule ^ - [E=HTTP_AUTHORIZATION:%0]
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* RewriteCond %{REQUEST_FILENAME} !-f
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* RewriteRule ^(.*)$ app.php [QSA,L]
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*/
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$authorizationHeader = null;
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if (isset($this->parameters['HTTP_AUTHORIZATION'])) {
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$authorizationHeader = $this->parameters['HTTP_AUTHORIZATION'];
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} elseif (isset($this->parameters['REDIRECT_HTTP_AUTHORIZATION'])) {
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$authorizationHeader = $this->parameters['REDIRECT_HTTP_AUTHORIZATION'];
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}
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if (null !== $authorizationHeader) {
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if (0 === stripos($authorizationHeader, 'basic ')) {
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// Decode AUTHORIZATION header into PHP_AUTH_USER and PHP_AUTH_PW when authorization header is basic
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$exploded = explode(':', base64_decode(substr($authorizationHeader, 6)), 2);
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if (2 == \count($exploded)) {
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[$headers['PHP_AUTH_USER'], $headers['PHP_AUTH_PW']] = $exploded;
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}
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} elseif (empty($this->parameters['PHP_AUTH_DIGEST']) && (0 === stripos($authorizationHeader, 'digest '))) {
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// In some circumstances PHP_AUTH_DIGEST needs to be set
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$headers['PHP_AUTH_DIGEST'] = $authorizationHeader;
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$this->parameters['PHP_AUTH_DIGEST'] = $authorizationHeader;
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} elseif (0 === stripos($authorizationHeader, 'bearer ')) {
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/*
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* XXX: Since there is no PHP_AUTH_BEARER in PHP predefined variables,
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* I'll just set $headers['AUTHORIZATION'] here.
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* https://php.net/reserved.variables.server
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*/
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$headers['AUTHORIZATION'] = $authorizationHeader;
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}
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}
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}
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if (isset($headers['AUTHORIZATION'])) {
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return $headers;
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}
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// PHP_AUTH_USER/PHP_AUTH_PW
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if (isset($headers['PHP_AUTH_USER'])) {
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$headers['AUTHORIZATION'] = 'Basic '.base64_encode($headers['PHP_AUTH_USER'].':'.($headers['PHP_AUTH_PW'] ?? ''));
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} elseif (isset($headers['PHP_AUTH_DIGEST'])) {
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$headers['AUTHORIZATION'] = $headers['PHP_AUTH_DIGEST'];
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}
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return $headers;
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}
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}
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