RackspaceCloudFilesBundle/FileTypeGuesser.php at master · liuggio/RackspaceCloudFilesBundle · GitHub

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<?php
namespace Liuggio\RackspaceCloudFilesBundle;
/**
 *
 */
class FileTypeGuesser implements FileTypeGuesserInterface
{
    private static $association_extension_default = 'txt';
    private static $association_extension_fileType = array(
        'xls'=>'application/excel',
        'hqx'=>'application/macbinhex40',
        'doc'=>'application/msword',
        'dot'=>'application/msword',
        'wrd'=>'application/msword',
        'pdf'=>'application/pdf',
        'pgp'=>'application/pgp',
        'ps'=>'application/postscript',
        'eps'=>'application/postscript',
        'ai'=>'application/postscript',
        'ppt'=>'application/powerpoint',
        'rtf'=>'application/rtf',
        'tgz'=>'application/x-gtar',
        'gtar'=>'application/x-gtar',
        'gz'=>'application/x-gzip',
        'php'=>'application/x-httpd-php',
        'php3'=>'application/x-httpd-php',
        'php4'=>'application/x-httpd-php',
        'js'=>'application/x-javascript',
        'ppd'=>'application/x-photoshop',
        'psd'=>'application/x-photoshop',
        'swf'=>'application/x-shockwave-flash',
        'swc'=>'application/x-shockwave-flash',
        'rf'=>'application/x-shockwave-flash',
        'tar'=>'application/x-tar',
        'zip'=>'application/zip',
        'mid'=>'audio/midi',
        'midi'=>'audio/midi',
        'kar'=>'audio/midi',
        'mp2'=>'audio/mpeg',
        'mp3'=>'audio/mpeg',
        'mpga'=>'audio/mpeg',
        'ra'=>'audio/x-realaudio',
        'wav'=>'audio/wav',
        'bmp'=>'image/bitmap',
        'gif'=>'image/gif',
        'iff'=>'image/iff',
        'jb2'=>'image/jb2',
        'jpg'=>'image/jpeg',
        'jpe'=>'image/jpeg',
        'jpeg'=>'image/jpeg',
        'jpx'=>'image/jpx',
        'png'=>'image/png',
        'tif'=>'image/tiff',
        'tiff'=>'image/tiff',
        'wbmp'=>'image/vnd.wap.wbmp',
        'xbm'=>'image/xbm',
        'css'=>'text/css',
        'txt'=>'text/plain',
        'htm'=>'text/html',
        'html'=>'text/html',
        'xml'=>'text/xml',
        'xsl'=>'text/xsl',
        'mpg'=>'video/mpeg',
        'mpe'=>'video/mpeg',
        'mpeg'=>'video/mpeg',
        'qt'=>'video/quicktime',
        'mov'=>'video/quicktime',
        'avi'=>'video/x-ms-video',
        'eml'=>'message/rfc822'
        );


    /**
     * @param string $filename
     * @return string
     */
    protected static function getExtensionByFilename($filename)
    {
        $ext = substr(strrchr($filename, '.'), 1);

        if(!$ext) {
            return self::$association_extension_default;
        }
        return $ext;
    }

    /**
     * Attempt to get the content-type of a file based on the extension
     * @static
     * @param $filename
     * @return string|false
     */
    public static function guessByFileName($filename)
    {
        $extension = self::getExtensionByFilename($filename);

        if (array_key_exists($extension, self::$association_extension_fileType)) {
            return self::$association_extension_fileType[$extension];
        } else {
            return false;
        }
    }
}