103 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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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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| 
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| namespace Symfony\Component\HttpFoundation;
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| 
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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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|      * @return array
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|      */
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|     public function getHeaders()
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|     {
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|         $headers = array();
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|         $contentHeaders = array('CONTENT_LENGTH' => true, 'CONTENT_MD5' => true, 'CONTENT_TYPE' => true);
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|         foreach ($this->parameters as $key => $value) {
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|             if (0 === strpos($key, 'HTTP_')) {
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|                 $headers[substr($key, 5)] = $value;
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|             }
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|             // CONTENT_* are not prefixed with HTTP_
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|             elseif (isset($contentHeaders[$key])) {
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|                 $headers[$key] = $value;
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|             }
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|         }
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| 
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|         if (isset($this->parameters['PHP_AUTH_USER'])) {
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|             $headers['PHP_AUTH_USER'] = $this->parameters['PHP_AUTH_USER'];
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|             $headers['PHP_AUTH_PW'] = isset($this->parameters['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:%{HTTP:Authorization}]
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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:%{HTTP:Authorization}]
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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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| 
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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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| 
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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 (count($exploded) == 2) {
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|                         list($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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|                      *      http://php.net/manual/en/reserved.variables.server.php
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|                      */
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|                     $headers['AUTHORIZATION'] = $authorizationHeader;
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|                 }
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|             }
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|         }
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| 
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|         if (isset($headers['AUTHORIZATION'])) {
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|             return $headers;
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|         }
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| 
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|         // PHP_AUTH_USER/PHP_AUTH_PW
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|         if (isset($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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| 
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|         return $headers;
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|     }
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| }
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