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<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Downloadable\Helper;

use Magento\Framework\Exception\FileSystemException;
use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Framework\Exception\LocalizedException;
use Magento\MediaStorage\Model\File\Uploader;

/**
 * Downloadable Products File Helper
 *
 * @api
 * @since 100.0.2
 */
class File extends \Magento\Framework\App\Helper\AbstractHelper
{
    /**
     * @var \Magento\MediaStorage\Helper\File\Storage\Database
     */
    protected $_coreFileStorageDatabase = null;

    /**
     * Filesystem object.
     *
     * @var \Magento\Framework\Filesystem
     */
    protected $_filesystem;

    /**
     * Media Directory object (writable).
     *
     * @var \Magento\Framework\Filesystem\Directory\WriteInterface
     */
    protected $_mediaDirectory;

    /**
     * @param \Magento\Framework\App\Helper\Context $context
     * @param \Magento\MediaStorage\Helper\File\Storage\Database $coreFileStorageDatabase
     * @param \Magento\Framework\Filesystem $filesystem
     * @param array $mimeTypes
     * @throws FileSystemException
     */
    public function __construct(
        \Magento\Framework\App\Helper\Context $context,
        \Magento\MediaStorage\Helper\File\Storage\Database $coreFileStorageDatabase,
        \Magento\Framework\Filesystem $filesystem,
        array $mimeTypes = []
    ) {
        $this->_coreFileStorageDatabase = $coreFileStorageDatabase;
        $this->_filesystem = $filesystem;
        $this->_mediaDirectory = $filesystem->getDirectoryWrite(DirectoryList::MEDIA);
        parent::__construct($context);
        if (!empty($mimeTypes)) {
            foreach ($mimeTypes as $key => $value) {
                self::$_mimeTypes[$key] = $value;
            }
        }
    }

    /**
     * Upload file from temporary folder.
     *
     * @param string $tmpPath
     * @param Uploader $uploader
     *
     * @return array
     */
    public function uploadFromTmp($tmpPath, Uploader $uploader)
    {
        $uploader->setAllowRenameFiles(true);
        $uploader->setFilesDispersion(true);
        $absoluteTmpPath = $this->_mediaDirectory->getAbsolutePath($tmpPath);
        $result = $uploader->save($absoluteTmpPath);
        if (is_array($result)) {
            unset($result['path']);
        }

        return $result;
    }

    /**
     * Checking file for moving and move it
     *
     * @param string $baseTmpPath
     * @param string $basePath
     * @param string $file
     *
     * @return string
     * @throws LocalizedException
     */
    public function moveFileFromTmp($baseTmpPath, $basePath, $file)
    {
        if (isset($file[0])) {
            $fileName = $file[0]['file'];
            if ($file[0]['status'] === 'new') {
                try {
                    $fileName = $this->_moveFileFromTmp($baseTmpPath, $basePath, $file[0]['file']);
                } catch (\Exception $e) {
                    throw new LocalizedException(
                        __('Something went wrong while saving the file(s).')
                    );
                }
            }
            return $fileName;
        }
        return '';
    }

    /**
     * Check if file exist in filesystem and try to re-create it from database record if negative.
     *
     * @param string $file
     * @return bool|int
     */
    public function ensureFileInFilesystem($file)
    {
        $result = true;
        if (!$this->_mediaDirectory->isFile($file)) {
            $result = $this->_coreFileStorageDatabase->saveFileToFilesystem($file);
        }

        return $result;
    }

    /**
     * Move file from tmp path to base path
     *
     * @param string $baseTmpPath
     * @param string $basePath
     * @param string $file
     * @return string
     */
    protected function _moveFileFromTmp($baseTmpPath, $basePath, $file)
    {
        if ($file && strrpos($file, '.tmp') == strlen($file) - 4) {
            $file = substr($file, 0, strlen($file) - 4);
        }
        // phpcs:ignore Magento2.Functions.DiscouragedFunction
        $destFile = dirname($file) . '/'
            . Uploader::getNewFileName($this->getFilePath($basePath, $file));

        $this->_coreFileStorageDatabase->copyFile(
            $this->getFilePath($baseTmpPath, $file),
            $this->getFilePath($basePath, $destFile)
        );

        $this->_mediaDirectory->renameFile(
            $this->getFilePath($baseTmpPath, $file),
            $this->getFilePath($basePath, $destFile)
        );

        return str_replace('\\', '/', $destFile);
    }

    /**
     * Return full path to file
     *
     * @param string $path
     * @param string $file
     * @return string
     */
    public function getFilePath($path, $file)
    {
        $path = $path !== null ? rtrim($path, '/') : '';
        $file = $file !== null ? ltrim($file, '/') : '';

        return $path . '/' . $file;
    }

    /**
     * Return file name form file path
     *
     * @param string $pathFile
     * @return string
     */
    public function getFileFromPathFile($pathFile)
    {
        $file = $pathFile !== null ? substr($pathFile, strrpos($pathFile, '/') + 1) : '';

        return $file;
    }

    /**
     * Get filesize in bytes.
     *
     * @param string $file
     * @return int
     */
    public function getFileSize($file)
    {
        return $this->_mediaDirectory->stat($file)['size'];
    }

    /**
     * Get file type
     *
     * @param string $filePath
     * @return string
     */
    public function getFileType($filePath)
    {
        $ext = $filePath !== null ? substr($filePath, strrpos($filePath, '.') + 1) : '';
        return $this->_getFileTypeByExt($ext);
    }

    /**
     * Get file type by ext
     *
     * @param string $ext
     * @return string
     */
    protected function _getFileTypeByExt($ext)
    {
        $type = 'x' . $ext;
        if (isset(self::$_mimeTypes[$type])) {
            return self::$_mimeTypes[$type];
        }
        return 'application/octet-stream';
    }

    /**
     * Get all file types
     *
     * @return array
     */
    public function getAllFileTypes()
    {
        return array_values(self::getAllMineTypes());
    }

    /**
     * Get all mine types
     *
     * @return array
     */
    public function getAllMineTypes()
    {
        return self::$_mimeTypes;
    }

    /**
     * @var array
     */
    protected static $_mimeTypes = [
        'x123' => 'application/vnd.lotus-1-2-3',
        'x3dml' => 'text/vnd.in3d.3dml',
        'x3g2' => 'video/3gpp2',
        'x3gp' => 'video/3gpp',
        'xace' => 'application/x-ace-compressed',
        'xacu' => 'application/vnd.acucobol',
        'xaep' => 'application/vnd.audiograph',
        'xai' => 'application/postscript',
        'xaif' => 'audio/x-aiff',
        'xaifc' => 'audio/x-aiff',
        'xaiff' => 'audio/x-aiff',
        'xami' => 'application/vnd.amiga.ami',
        'xapr' => 'application/vnd.lotus-approach',
        'xasf' => 'video/x-ms-asf',
        'xaso' => 'application/vnd.accpac.simply.aso',
        'xasx' => 'video/x-ms-asf',
        'xatom' => 'application/atom+xml',
        'xatomcat' => 'application/atomcat+xml',
        'xatomsvc' => 'application/atomsvc+xml',
        'xatx' => 'application/vnd.antix.game-component',
        'xau' => 'audio/basic',
        'xavi' => 'video/x-msvideo',
        'xbat' => 'application/x-msdownload',
        'xbcpio' => 'application/x-bcpio',
        'xbdm' => 'application/vnd.syncml.dm+wbxml',
        'xbh2' => 'application/vnd.fujitsu.oasysprs',
        'xbmi' => 'application/vnd.bmi',
        'xbmp' => 'image/bmp',
        'xbox' => 'application/vnd.previewsystems.box',
        'xboz' => 'application/x-bzip2',
        'xbtif' => 'image/prs.btif',
        'xbz' => 'application/x-bzip',
        'xbz2' => 'application/x-bzip2',
        'xcab' => 'application/vnd.ms-cab-compressed',
        'xccxml' => 'application/ccxml+xml',
        'xcdbcmsg' => 'application/vnd.contact.cmsg',
        'xcdkey' => 'application/vnd.mediastation.cdkey',
        'xcdx' => 'chemical/x-cdx',
        'xcdxml' => 'application/vnd.chemdraw+xml',
        'xcdy' => 'application/vnd.cinderella',
        'xcer' => 'application/pkix-cert',
        'xcgm' => 'image/cgm',
        'xchat' => 'application/x-chat',
        'xchm' => 'application/vnd.ms-htmlhelp',
        'xchrt' => 'application/vnd.kde.kchart',
        'xcif' => 'chemical/x-cif',
        'xcii' => 'application/vnd.anser-web-certificate-issue-initiation',
        'xcil' => 'application/vnd.ms-artgalry',
        'xcla' => 'application/vnd.claymore',
        'xclkk' => 'application/vnd.crick.clicker.keyboard',
        'xclkp' => 'application/vnd.crick.clicker.palette',
        'xclkt' => 'application/vnd.crick.clicker.template',
        'xclkw' => 'application/vnd.crick.clicker.wordbank',
        'xclkx' => 'application/vnd.crick.clicker',
        'xclp' => 'application/x-msclip',
        'xcmc' => 'application/vnd.cosmocaller',
        'xcmdf' => 'chemical/x-cmdf',
        'xcml' => 'chemical/x-cml',
        'xcmp' => 'application/vnd.yellowriver-custom-menu',
        'xcmx' => 'image/x-cmx',
        'xcom' => 'application/x-msdownload',
        'xconf' => 'text/plain',
        'xcpio' => 'application/x-cpio',
        'xcpt' => 'application/mac-compactpro',
        'xcrd' => 'application/x-mscardfile',
        'xcrl' => 'application/pkix-crl',
        'xcrt' => 'application/x-x509-ca-cert',
        'xcsh' => 'application/x-csh',
        'xcsml' => 'chemical/x-csml',
        'xcss' => 'text/css',
        'xcsv' => 'text/csv',
        'xcurl' => 'application/vnd.curl',
        'xcww' => 'application/prs.cww',
        'xdaf' => 'application/vnd.mobius.daf',
        'xdavmount' => 'application/davmount+xml',
        'xdd2' => 'application/vnd.oma.dd2+xml',
        'xddd' => 'application/vnd.fujixerox.ddd',
        'xdef' => 'text/plain',
        'xder' => 'application/x-x509-ca-cert',
        'xdfac' => 'application/vnd.dreamfactory',
        'xdis' => 'application/vnd.mobius.dis',
        'xdjv' => 'image/vnd.djvu',
        'xdjvu' => 'image/vnd.djvu',
        'xdll' => 'application/x-msdownload',
        'xdna' => 'application/vnd.dna',
        'xdoc' => 'application/msword',
        'xdot' => 'application/msword',
        'xdp' => 'application/vnd.osgi.dp',
        'xdpg' => 'application/vnd.dpgraph',
        'xdsc' => 'text/prs.lines.tag',
        'xdtd' => 'application/xml-dtd',
        'xdvi' => 'application/x-dvi',
        'xdwf' => 'model/vnd.dwf',
        'xdwg' => 'image/vnd.dwg',
        'xdxf' => 'image/vnd.dxf',
        'xdxp' => 'application/vnd.spotfire.dxp',
        'xecelp4800' => 'audio/vnd.nuera.ecelp4800',
        'xecelp7470' => 'audio/vnd.nuera.ecelp7470',
        'xecelp9600' => 'audio/vnd.nuera.ecelp9600',
        'xecma' => 'application/ecmascript',
        'xedm' => 'application/vnd.novadigm.edm',
        'xedx' => 'application/vnd.novadigm.edx',
        'xefif' => 'application/vnd.picsel',
        'xei6' => 'application/vnd.pg.osasli',
        'xeml' => 'message/rfc822',
        'xeol' => 'audio/vnd.digital-winds',
        'xeot' => 'application/vnd.ms-fontobject',
        'xeps' => 'application/postscript',
        'xesf' => 'application/vnd.epson.esf',
        'xetx' => 'text/x-setext',
        'xexe' => 'application/x-msdownload',
        'xext' => 'application/vnd.novadigm.ext',
        'xez' => 'application/andrew-inset',
        'xez2' => 'application/vnd.ezpix-album',
        'xez3' => 'application/vnd.ezpix-package',
        'xfbs' => 'image/vnd.fastbidsheet',
        'xfdf' => 'application/vnd.fdf',
        'xfe_launch' => 'application/vnd.denovo.fcselayout-link',
        'xfg5' => 'application/vnd.fujitsu.oasysgp',
        'xfli' => 'video/x-fli',
        'xflo' => 'application/vnd.micrografx.flo',
        'xflw' => 'application/vnd.kde.kivio',
        'xflx' => 'text/vnd.fmi.flexstor',
        'xfly' => 'text/vnd.fly',
        'xfnc' => 'application/vnd.frogans.fnc',
        'xfpx' => 'image/vnd.fpx',
        'xfsc' => 'application/vnd.fsc.weblaunch',
        'xfst' => 'image/vnd.fst',
        'xftc' => 'application/vnd.fluxtime.clip',
        'xfti' => 'application/vnd.anser-web-funds-transfer-initiation',
        'xfvt' => 'video/vnd.fvt',
        'xfzs' => 'application/vnd.fuzzysheet',
        'xg3' => 'image/g3fax',
        'xgac' => 'application/vnd.groove-account',
        'xgdl' => 'model/vnd.gdl',
        'xghf' => 'application/vnd.groove-help',
        'xgif' => 'image/gif',
        'xgim' => 'application/vnd.groove-identity-message',
        'xgph' => 'application/vnd.flographit',
        'xgram' => 'application/srgs',
        'xgrv' => 'application/vnd.groove-injector',
        'xgrxml' => 'application/srgs+xml',
        'xgtar' => 'application/x-gtar',
        'xgtm' => 'application/vnd.groove-tool-message',
        'xgtw' => 'model/vnd.gtw',
        'xh261' => 'video/h261',
        'xh263' => 'video/h263',
        'xh264' => 'video/h264',
        'xhbci' => 'application/vnd.hbci',
        'xhdf' => 'application/x-hdf',
        'xhlp' => 'application/winhlp',
        'xhpgl' => 'application/vnd.hp-hpgl',
        'xhpid' => 'application/vnd.hp-hpid',
        'xhps' => 'application/vnd.hp-hps',
        'xhqx' => 'application/mac-binhex40',
        'xhtke' => 'application/vnd.kenameaapp',
        'xhtm' => 'text/html',
        'xhtml' => 'text/html',
        'xhvd' => 'application/vnd.yamaha.hv-dic',
        'xhvp' => 'application/vnd.yamaha.hv-voice',
        'xhvs' => 'application/vnd.yamaha.hv-script',
        'xice' => '#x-conference/x-cooltalk',
        'xico' => 'image/x-icon',
        'xics' => 'text/calendar',
        'xief' => 'image/ief',
        'xifb' => 'text/calendar',
        'xifm' => 'application/vnd.shana.informed.formdata',
        'xigl' => 'application/vnd.igloader',
        'xigx' => 'application/vnd.micrografx.igx',
        'xiif' => 'application/vnd.shana.informed.interchange',
        'ximp' => 'application/vnd.accpac.simply.imp',
        'xims' => 'application/vnd.ms-ims',
        'xin' => 'text/plain',
        'xipk' => 'application/vnd.shana.informed.package',
        'xirm' => 'application/vnd.ibm.rights-management',
        'xirp' => 'application/vnd.irepository.package+xml',
        'xitp' => 'application/vnd.shana.informed.formtemplate',
        'xivp' => 'application/vnd.immervision-ivp',
        'xivu' => 'application/vnd.immervision-ivu',
        'xjad' => 'text/vnd.sun.j2me.app-descriptor',
        'xjam' => 'application/vnd.jam',
        'xjava' => 'text/x-java-source',
        'xjisp' => 'application/vnd.jisp',
        'xjlt' => 'application/vnd.hp-jlyt',
        'xjoda' => 'application/vnd.joost.joda-archive',
        'xjpe' => 'image/jpeg',
        'xjpeg' => 'image/jpeg',
        'xjpg' => 'image/jpeg',
        'xjpgm' => 'video/jpm',
        'xjpgv' => 'video/jpeg',
        'xjpm' => 'video/jpm',
        'xjs' => 'application/javascript',
        'xjson' => 'application/json',
        'xkar' => 'audio/midi',
        'xkarbon' => 'application/vnd.kde.karbon',
        'xkfo' => 'application/vnd.kde.kformula',
        'xkia' => 'application/vnd.kidspiration',
        'xkml' => 'application/vnd.google-earth.kml+xml',
        'xkmz' => 'application/vnd.google-earth.kmz',
        'xkon' => 'application/vnd.kde.kontour',
        'xksp' => 'application/vnd.kde.kspread',
        'xlatex' => 'application/x-latex',
        'xlbd' => 'application/vnd.llamagraphics.life-balance.desktop',
        'xlbe' => 'application/vnd.llamagraphics.life-balance.exchange+xml',
        'xles' => 'application/vnd.hhe.lesson-player',
        'xlist' => 'text/plain',
        'xlog' => 'text/plain',
        'xlrm' => 'application/vnd.ms-lrm',
        'xltf' => 'application/vnd.frogans.ltf',
        'xlvp' => 'audio/vnd.lucent.voice',
        'xlwp' => 'application/vnd.lotus-wordpro',
        'xm13' => 'application/x-msmediaview',
        'xm14' => 'application/x-msmediaview',
        'xm1v' => 'video/mpeg',
        'xm2a' => 'audio/mpeg',
        'xm3a' => 'audio/mpeg',
        'xm3u' => 'audio/x-mpegurl',
        'xm4u' => 'video/vnd.mpegurl',
        'xmag' => 'application/vnd.ecowin.chart',
        'xmathml' => 'application/mathml+xml',
        'xmbk' => 'application/vnd.mobius.mbk',
        'xmbox' => 'application/mbox',
        'xmc1' => 'application/vnd.medcalcdata',
        'xmcd' => 'application/vnd.mcd',
        'xmdb' => 'application/x-msaccess',
        'xmdi' => 'image/vnd.ms-modi',
        'xmesh' => 'model/mesh',
        'xmfm' => 'application/vnd.mfmp',
        'xmgz' => 'application/vnd.proteus.magazine',
        'xmid' => 'audio/midi',
        'xmidi' => 'audio/midi',
        'xmif' => 'application/vnd.mif',
        'xmime' => 'message/rfc822',
        'xmj2' => 'video/mj2',
        'xmjp2' => 'video/mj2',
        'xmlp' => 'application/vnd.dolby.mlp',
        'xmmd' => 'application/vnd.chipnuts.karaoke-mmd',
        'xmmf' => 'application/vnd.smaf',
        'xmmr' => 'image/vnd.fujixerox.edmics-mmr',
        'xmny' => 'application/x-msmoney',
        'xmov' => 'video/quicktime',
        'xmovie' => 'video/x-sgi-movie',
        'xmp2' => 'audio/mpeg',
        'xmp2a' => 'audio/mpeg',
        'xmp3' => 'audio/mpeg',
        'xmp4' => 'video/mp4',
        'xmp4a' => 'audio/mp4',
        'xmp4s' => 'application/mp4',
        'xmp4v' => 'video/mp4',
        'xmpc' => 'application/vnd.mophun.certificate',
        'xmpe' => 'video/mpeg',
        'xmpeg' => 'video/mpeg',
        'xmpg' => 'video/mpeg',
        'xmpg4' => 'video/mp4',
        'xmpga' => 'audio/mpeg',
        'xmpkg' => 'application/vnd.apple.installer+xml',
        'xmpm' => 'application/vnd.blueice.multipass',
        'xmpn' => 'application/vnd.mophun.application',
        'xmpp' => 'application/vnd.ms-project',
        'xmpt' => 'application/vnd.ms-project',
        'xmpy' => 'application/vnd.ibm.minipay',
        'xmqy' => 'application/vnd.mobius.mqy',
        'xmrc' => 'application/marc',
        'xmscml' => 'application/mediaservercontrol+xml',
        'xmseq' => 'application/vnd.mseq',
        'xmsf' => 'application/vnd.epson.msf',
        'xmsh' => 'model/mesh',
        'xmsi' => 'application/x-msdownload',
        'xmsl' => 'application/vnd.mobius.msl',
        'xmsty' => 'application/vnd.muvee.style',
        'xmts' => 'model/vnd.mts',
        'xmus' => 'application/vnd.musician',
        'xmvb' => 'application/x-msmediaview',
        'xmwf' => 'application/vnd.mfer',
        'xmxf' => 'application/mxf',
        'xmxl' => 'application/vnd.recordare.musicxml',
        'xmxml' => 'application/xv+xml',
        'xmxs' => 'application/vnd.triscape.mxs',
        'xmxu' => 'video/vnd.mpegurl',
        'xn-gage' => 'application/vnd.nokia.n-gage.symbian.install',
        'xngdat' => 'application/vnd.nokia.n-gage.data',
        'xnlu' => 'application/vnd.neurolanguage.nlu',
        'xnml' => 'application/vnd.enliven',
        'xnnd' => 'application/vnd.noblenet-directory',
        'xnns' => 'application/vnd.noblenet-sealer',
        'xnnw' => 'application/vnd.noblenet-web',
        'xnpx' => 'image/vnd.net-fpx',
        'xnsf' => 'application/vnd.lotus-notes',
        'xoa2' => 'application/vnd.fujitsu.oasys2',
        'xoa3' => 'application/vnd.fujitsu.oasys3',
        'xoas' => 'application/vnd.fujitsu.oasys',
        'xobd' => 'application/x-msbinder',
        'xoda' => 'application/oda',
        'xodc' => 'application/vnd.oasis.opendocument.chart',
        'xodf' => 'application/vnd.oasis.opendocument.formula',
        'xodg' => 'application/vnd.oasis.opendocument.graphics',
        'xodi' => 'application/vnd.oasis.opendocument.image',
        'xodp' => 'application/vnd.oasis.opendocument.presentation',
        'xods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'xodt' => 'application/vnd.oasis.opendocument.text',
        'xogg' => 'application/ogg',
        'xoprc' => 'application/vnd.palm',
        'xorg' => 'application/vnd.lotus-organizer',
        'xotc' => 'application/vnd.oasis.opendocument.chart-template',
        'xotf' => 'application/vnd.oasis.opendocument.formula-template',
        'xotg' => 'application/vnd.oasis.opendocument.graphics-template',
        'xoth' => 'application/vnd.oasis.opendocument.text-web',
        'xoti' => 'application/vnd.oasis.opendocument.image-template',
        'xotm' => 'application/vnd.oasis.opendocument.text-master',
        'xots' => 'application/vnd.oasis.opendocument.spreadsheet-template',
        'xott' => 'application/vnd.oasis.opendocument.text-template',
        'xoxt' => 'application/vnd.openofficeorg.extension',
        'xp10' => 'application/pkcs10',
        'xp7r' => 'application/x-pkcs7-certreqresp',
        'xp7s' => 'application/pkcs7-signature',
        'xpbd' => 'application/vnd.powerbuilder6',
        'xpbm' => 'image/x-portable-bitmap',
        'xpcl' => 'application/vnd.hp-pcl',
        'xpclxl' => 'application/vnd.hp-pclxl',
        'xpct' => 'image/x-pict',
        'xpcx' => 'image/x-pcx',
        'xpdb' => 'chemical/x-pdb',
        'xpdf' => 'application/pdf',
        'xpfr' => 'application/font-tdpfr',
        'xpgm' => 'image/x-portable-graymap',
        'xpgn' => 'application/x-chess-pgn',
        'xpgp' => 'application/pgp-encrypted',
        'xpic' => 'image/x-pict',
        'xpki' => 'application/pkixcmp',
        'xpkipath' => 'application/pkix-pkipath',
        'xplb' => 'application/vnd.3gpp.pic-bw-large',
        'xplc' => 'application/vnd.mobius.plc',
        'xplf' => 'application/vnd.pocketlearn',
        'xpls' => 'application/pls+xml',
        'xpml' => 'application/vnd.ctc-posml',
        'xpng' => 'image/png',
        'xpnm' => 'image/x-portable-anymap',
        'xportpkg' => 'application/vnd.macports.portpkg',
        'xpot' => 'application/vnd.ms-powerpoint',
        'xppd' => 'application/vnd.cups-ppd',
        'xppm' => 'image/x-portable-pixmap',
        'xpps' => 'application/vnd.ms-powerpoint',
        'xppt' => 'application/vnd.ms-powerpoint',
        'xpqa' => 'application/vnd.palm',
        'xprc' => 'application/vnd.palm',
        'xpre' => 'application/vnd.lotus-freelance',
        'xprf' => 'application/pics-rules',
        'xps' => 'application/postscript',
        'xpsb' => 'application/vnd.3gpp.pic-bw-small',
        'xpsd' => 'image/vnd.adobe.photoshop',
        'xptid' => 'application/vnd.pvi.ptid1',
        'xpub' => 'application/x-mspublisher',
        'xpvb' => 'application/vnd.3gpp.pic-bw-var',
        'xpwn' => 'application/vnd.3m.post-it-notes',
        'xqam' => 'application/vnd.epson.quickanime',
        'xqbo' => 'application/vnd.intu.qbo',
        'xqfx' => 'application/vnd.intu.qfx',
        'xqps' => 'application/vnd.publishare-delta-tree',
        'xqt' => 'video/quicktime',
        'xra' => 'audio/x-pn-realaudio',
        'xram' => 'audio/x-pn-realaudio',
        'xrar' => 'application/x-rar-compressed',
        'xras' => 'image/x-cmu-raster',
        'xrcprofile' => 'application/vnd.ipunplugged.rcprofile',
        'xrdf' => 'application/rdf+xml',
        'xrdz' => 'application/vnd.data-vision.rdz',
        'xrep' => 'application/vnd.businessobjects',
        'xrgb' => 'image/x-rgb',
        'xrif' => 'application/reginfo+xml',
        'xrl' => 'application/resource-lists+xml',
        'xrlc' => 'image/vnd.fujixerox.edmics-rlc',
        'xrm' => 'application/vnd.rn-realmedia',
        'xrmi' => 'audio/midi',
        'xrmp' => 'audio/x-pn-realaudio-plugin',
        'xrms' => 'application/vnd.jcp.javame.midlet-rms',
        'xrnc' => 'application/relax-ng-compact-syntax',
        'xrpss' => 'application/vnd.nokia.radio-presets',
        'xrpst' => 'application/vnd.nokia.radio-preset',
        'xrq' => 'application/sparql-query',
        'xrs' => 'application/rls-services+xml',
        'xrsd' => 'application/rsd+xml',
        'xrss' => 'application/rss+xml',
        'xrtf' => 'application/rtf',
        'xrtx' => 'text/richtext',
        'xsaf' => 'application/vnd.yamaha.smaf-audio',
        'xsbml' => 'application/sbml+xml',
        'xsc' => 'application/vnd.ibm.secure-container',
        'xscd' => 'application/x-msschedule',
        'xscm' => 'application/vnd.lotus-screencam',
        'xscq' => 'application/scvp-cv-request',
        'xscs' => 'application/scvp-cv-response',
        'xsdp' => 'application/sdp',
        'xsee' => 'application/vnd.seemail',
        'xsema' => 'application/vnd.sema',
        'xsemd' => 'application/vnd.semd',
        'xsemf' => 'application/vnd.semf',
        'xsetpay' => 'application/set-payment-initiation',
        'xsetreg' => 'application/set-registration-initiation',
        'xsfs' => 'application/vnd.spotfire.sfs',
        'xsgm' => 'text/sgml',
        'xsgml' => 'text/sgml',
        'xsh' => 'application/x-sh',
        'xshar' => 'application/x-shar',
        'xshf' => 'application/shf+xml',
        'xsilo' => 'model/mesh',
        'xsit' => 'application/x-stuffit',
        'xsitx' => 'application/x-stuffitx',
        'xslt' => 'application/vnd.epson.salt',
        'xsnd' => 'audio/basic',
        'xspf' => 'application/vnd.yamaha.smaf-phrase',
        'xspl' => 'application/x-futuresplash',
        'xspot' => 'text/vnd.in3d.spot',
        'xspp' => 'application/scvp-vp-response',
        'xspq' => 'application/scvp-vp-request',
        'xsrc' => 'application/x-wais-source',
        'xsrx' => 'application/sparql-results+xml',
        'xssf' => 'application/vnd.epson.ssf',
        'xssml' => 'application/ssml+xml',
        'xstf' => 'application/vnd.wt.stf',
        'xstk' => 'application/hyperstudio',
        'xstr' => 'application/vnd.pg.format',
        'xsus' => 'application/vnd.sus-calendar',
        'xsusp' => 'application/vnd.sus-calendar',
        'xsv4cpio' => 'application/x-sv4cpio',
        'xsv4crc' => 'application/x-sv4crc',
        'xsvd' => 'application/vnd.svd',
        'xswf' => 'application/x-shockwave-flash',
        'xtao' => 'application/vnd.tao.intent-module-archive',
        'xtar' => 'application/x-tar',
        'xtcap' => 'application/vnd.3gpp2.tcap',
        'xtcl' => 'application/x-tcl',
        'xtex' => 'application/x-tex',
        'xtext' => 'text/plain',
        'xtif' => 'image/tiff',
        'xtiff' => 'image/tiff',
        'xtmo' => 'application/vnd.tmobile-livetv',
        'xtorrent' => 'application/x-bittorrent',
        'xtpl' => 'application/vnd.groove-tool-template',
        'xtpt' => 'application/vnd.trid.tpt',
        'xtra' => 'application/vnd.trueapp',
        'xtrm' => 'application/x-msterminal',
        'xtsv' => 'text/tab-separated-values',
        'xtxd' => 'application/vnd.genomatix.tuxedo',
        'xtxf' => 'application/vnd.mobius.txf',
        'xtxt' => 'text/plain',
        'xumj' => 'application/vnd.umajin',
        'xunityweb' => 'application/vnd.unity',
        'xuoml' => 'application/vnd.uoml+xml',
        'xuri' => 'text/uri-list',
        'xuris' => 'text/uri-list',
        'xurls' => 'text/uri-list',
        'xustar' => 'application/x-ustar',
        'xutz' => 'application/vnd.uiq.theme',
        'xuu' => 'text/x-uuencode',
        'xvcd' => 'application/x-cdlink',
        'xvcf' => 'text/x-vcard',
        'xvcg' => 'application/vnd.groove-vcard',
        'xvcs' => 'text/x-vcalendar',
        'xvcx' => 'application/vnd.vcx',
        'xvis' => 'application/vnd.visionary',
        'xviv' => 'video/vnd.vivo',
        'xvrml' => 'model/vrml',
        'xvsd' => 'application/vnd.visio',
        'xvsf' => 'application/vnd.vsf',
        'xvss' => 'application/vnd.visio',
        'xvst' => 'application/vnd.visio',
        'xvsw' => 'application/vnd.visio',
        'xvtu' => 'model/vnd.vtu',
        'xvxml' => 'application/voicexml+xml',
        'xwav' => 'audio/x-wav',
        'xwax' => 'audio/x-ms-wax',
        'xwbmp' => 'image/vnd.wap.wbmp',
        'xwbs' => 'application/vnd.criticaltools.wbs+xml',
        'xwbxml' => 'application/vnd.wap.wbxml',
        'xwcm' => 'application/vnd.ms-works',
        'xwdb' => 'application/vnd.ms-works',
        'xwks' => 'application/vnd.ms-works',
        'xwm' => 'video/x-ms-wm',
        'xwma' => 'audio/x-ms-wma',
        'xwmd' => 'application/x-ms-wmd',
        'xwmf' => 'application/x-msmetafile',
        'xwml' => 'text/vnd.wap.wml',
        'xwmlc' => 'application/vnd.wap.wmlc',
        'xwmls' => 'text/vnd.wap.wmlscript',
        'xwmlsc' => 'application/vnd.wap.wmlscriptc',
        'xwmv' => 'video/x-ms-wmv',
        'xwmx' => 'video/x-ms-wmx',
        'xwmz' => 'application/x-ms-wmz',
        'xwpd' => 'application/vnd.wordperfect',
        'xwpl' => 'application/vnd.ms-wpl',
        'xwps' => 'application/vnd.ms-works',
        'xwqd' => 'application/vnd.wqd',
        'xwri' => 'application/x-mswrite',
        'xwrl' => 'model/vrml',
        'xwsdl' => 'application/wsdl+xml',
        'xwspolicy' => 'application/wspolicy+xml',
        'xwtb' => 'application/vnd.webturbo',
        'xwvx' => 'video/x-ms-wvx',
        'xx3d' => 'application/vnd.hzn-3d-crossword',
        'xxar' => 'application/vnd.xara',
        'xxbd' => 'application/vnd.fujixerox.docuworks.binder',
        'xxbm' => 'image/x-xbitmap',
        'xxdm' => 'application/vnd.syncml.dm+xml',
        'xxdp' => 'application/vnd.adobe.xdp+xml',
        'xxdw' => 'application/vnd.fujixerox.docuworks',
        'xxenc' => 'application/xenc+xml',
        'xxfdf' => 'application/vnd.adobe.xfdf',
        'xxfdl' => 'application/vnd.xfdl',
        'xxht' => 'application/xhtml+xml',
        'xxhtml' => 'application/xhtml+xml',
        'xxhvml' => 'application/xv+xml',
        'xxif' => 'image/vnd.xiff',
        'xxla' => 'application/vnd.ms-excel',
        'xxlc' => 'application/vnd.ms-excel',
        'xxlm' => 'application/vnd.ms-excel',
        'xxls' => 'application/vnd.ms-excel',
        'xxlt' => 'application/vnd.ms-excel',
        'xxlw' => 'application/vnd.ms-excel',
        'xxml' => 'application/xml',
        'xxo' => 'application/vnd.olpc-sugar',
        'xxop' => 'application/xop+xml',
        'xxpm' => 'image/x-xpixmap',
        'xxpr' => 'application/vnd.is-xpr',
        'xxps' => 'application/vnd.ms-xpsdocument',
        'xxsl' => 'application/xml',
        'xxslt' => 'application/xslt+xml',
        'xxsm' => 'application/vnd.syncml+xml',
        'xxspf' => 'application/xspf+xml',
        'xxul' => 'application/vnd.mozilla.xul+xml',
        'xxvm' => 'application/xv+xml',
        'xxvml' => 'application/xv+xml',
        'xxwd' => 'image/x-xwindowdump',
        'xxyz' => 'chemical/x-xyz',
        'xzaz' => 'application/vnd.zzazz.deck+xml',
        'xzip' => 'application/zip',
        'xzmm' => 'application/vnd.handheld-entertainment+xml'
    ];
}