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<?php
/**
*
* This file is part of Aura for PHP.
*
* @license http://opensource.org/licenses/bsd-license.php BSD
*
*/
namespace Aura\Accept\Media;
use Aura\Accept\AbstractNegotiator;
use Aura\Accept\ValueFactory;
/**
*
* Represents a collection of `Accept` header values, sorted in quality
* order.
*
* @package Aura.Accept
*
*/
class MediaNegotiator extends AbstractNegotiator
{
/**
*
* The $_SERVER key to use when populating acceptable values.
*
* @var string
*
*/
protected $server_key = 'HTTP_ACCEPT';
/**
*
* The type of value object to create using the ValueFactory.
*
* @var string
*
*/
protected $value_type = 'media';
/**
*
* A map of file .extensions to media types.
*
* @var array
*
*/
protected $types = array(
'.aif' => 'audio/x-aiff',
'.aifc' => 'audio/x-aiff',
'.aiff' => 'audio/x-aiff',
'.asf' => 'video/x-ms-asf',
'.asr' => 'video/x-ms-asf',
'.asx' => 'video/x-ms-asf',
'.atom' => 'application/atom+xml',
'.au' => 'audio/basic',
'.avi' => 'video/x-msvideo',
'.bas' => 'text/plain',
'.bmp' => 'image/bmp',
'.c' => 'text/plain',
'.css' => 'text/css',
'.csv' => 'text/csv',
'.dtd' => 'application/xml-dtd',
'.etx' => 'text/x-setext',
'.flr' => 'x-world/x-vrml',
'.gif' => 'image/gif',
'.gz' => 'application/x-gzip',
'.h' => 'text/plain',
'.htm' => 'text/html',
'.html' => 'text/html',
'.ico' => 'image/x-icon',
'.jfif' => 'image/pipeg',
'.jpe' => 'image/jpeg',
'.jpeg' => 'image/jpeg',
'.jpg' => 'image/jpeg',
'.js' => 'text/javascript',
'.json' => 'application/json',
'.lsf' => 'video/x-la-asf',
'.lsx' => 'video/x-la-asf',
'.m3u' => 'audio/x-mpegurl',
'.mid' => 'audio/mid',
'.mov' => 'video/quicktime',
'.movie' => 'video/x-sgi-movie',
'.mp2' => 'video/mpeg',
'.mp3' => 'audio/mpeg',
'.mpa' => 'video/mpeg',
'.mpe' => 'video/mpeg',
'.mpeg' => 'video/mpeg',
'.mpg' => 'video/mpeg',
'.mpv2' => 'video/mpeg',
'.ogg' => 'application/ogg',
'.pbm' => 'image/x-portable-bitmap',
'.pdf' => 'application/pdf',
'.pgm' => 'image/x-portable-graymap',
'.png' => 'image/png',
'.pnm' => 'image/x-portable-anymap',
'.ppm' => 'image/x-portable-pixmap',
'.ps' => 'application/postscript',
'.qt' => 'video/quicktime',
'.ra' => 'audio/x-pn-realaudio',
'.ram' => 'audio/x-pn-realaudio',
'.ras' => 'image/x-cmu-raster',
'.rdf' => 'application/rdf+xml',
'.rgb' => 'image/x-rgb',
'.rmi' => 'audio/mid',
'.rss' => 'application/rss+xml',
'.rss2' => 'application/rss+xml',
'.rtf' => 'application/rtf',
'.snd' => 'audio/basic',
'.svg' => 'image/svg+xml',
'.text' => 'text/plain',
'.tif' => 'image/tiff',
'.tiff' => 'image/tiff',
'.tsv' => 'text/plain',
'.txt' => 'text/plain',
'.vcf' => 'text/x-vcard',
'.vrml' => 'x-world/x-vrml',
'.wav' => 'audio/x-wav',
'.wrl' => 'x-world/x-vrml',
'.wrz' => 'x-world/x-vrml',
'.xaf' => 'x-world/x-vrml',
'.xbm' => 'image/x-xbitmap',
'.xht' => 'application/xhtml+xml',
'.xhtml' => 'application/xhtml+xml',
'.xml' => 'application/xml',
'.xof' => 'x-world/x-vrml',
'.xpm' => 'image/x-xpixmap',
'.xwd' => 'image/x-xwindowdump',
'.zip' => 'application/zip',
);
/**
*
* Constructor.
*
* @param ValueFactory $value_factory A factory for value objects.
*
* @param array $server A copy of $_SERVER for finding acceptable values.
*
* @param array $types Additional extensions to media type mappings.
*
*/
public function __construct(
ValueFactory $value_factory,
array $server = array(),
array $types = array()
) {
// parent construction
parent::__construct($value_factory, $server);
// merge the media type mappings
$this->types = array_merge($this->types, $types);
// override the media type if a file extension exists in the path
$request_uri = isset($server['REQUEST_URI'])
? $server['REQUEST_URI']
: null;
$path = parse_url('http://example.com/' . $request_uri, PHP_URL_PATH);
$name = basename((string) $path);
$ext = strrchr($name, '.');
if ($ext && isset($this->types[$ext])) {
$this->set($this->types[$ext]);
}
}
}
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