<?php

  return [
    'application/vnd.hzn-3d-crossword' => 'x3d',
    'video/3gpp' => '3gp',
    'video/3gpp2' => '3g2',
    'application/vnd.mseq' => 'mseq',
    'application/vnd.3m.post-it-notes' => 'pwn',
    'application/vnd.3gpp.pic-bw-large' => 'plb',
    'application/vnd.3gpp.pic-bw-small' => 'psb',
    'application/vnd.3gpp.pic-bw-var' => 'pvb',
    'application/vnd.3gpp2.tcap' => 'tcap',
    'application/x-7z-compressed' => '7z',
    'application/x-abiword' => 'abw',
    'application/x-ace-compressed' => 'ace',
    'application/vnd.americandynamics.acc' => 'acc',
    'application/vnd.acucobol' => 'acu',
    'application/vnd.acucorp' => 'atc',
    'audio/adpcm' => 'adp',
    'application/x-authorware-bin' => 'aab',
    'application/x-authorware-map' => 'aam',
    'application/x-authorware-seg' => 'aas',
    'application/vnd.adobe.air-application-installer-package+zip' => 'air',
    'application/x-shockwave-flash' => 'swf',
    'application/vnd.adobe.fxp' => 'fxp',
    'application/pdf' => 'pdf',
    'application/vnd.cups-ppd' => 'ppd',
    'application/x-director' => 'dcr',
    'application/vnd.adobe.xdp+xml' => 'xdp',
    'application/vnd.adobe.xfdf' => 'xfdf',
    'audio/x-aac' => 'aac',
    'application/vnd.ahead.space' => 'ahead',
    'application/vnd.airzip.filesecure.azf' => 'azf',
    'application/vnd.airzip.filesecure.azs' => 'azs',
    'application/vnd.amazon.ebook' => 'azw',
    'application/vnd.amiga.ami' => 'ami',
    'application/andrew-inset' => 'n/a',
    'application/vnd.android.package-archive' => 'apk',
    'application/vnd.anser-web-certificate-issue-initiation' => 'cii',
    'application/vnd.anser-web-funds-transfer-initiation' => 'fti',
    'application/vnd.antix.game-component' => 'atx',
    'application/x-apple-diskimage' => 'dmg',
    'application/vnd.apple.installer+xml' => 'mpkg',
    'application/applixware' => 'aw',
    'application/vnd.hhe.lesson-player' => 'les',
    'application/vnd.aristanetworks.swi' => 'swi',
    'text/x-asm' => 's',
    'application/atomcat+xml' => 'atomcat',
    'application/atomsvc+xml' => 'atomsvc',
    'application/atom+xml' => 'atom, .xml',
    'application/pkix-attr-cert' => 'ac',
    'audio/x-aiff' => 'aif',
    'video/x-msvideo' => 'avi',
    'application/vnd.audiograph' => 'aep',
    'image/vnd.dxf' => 'dxf',
    'model/vnd.dwf' => 'dwf',
    'text/plain-bas' => 'par',
    'application/x-bcpio' => 'bcpio',
    'application/octet-stream' => 'pdf',
    'image/bmp' => 'bmp',
    'application/x-bittorrent' => 'torrent',
    'application/vnd.rim.cod' => 'cod',
    'application/vnd.blueice.multipass' => 'mpm',
    'application/vnd.bmi' => 'bmi',
    'application/x-sh' => 'sh',
    'image/prs.btif' => 'btif',
    'application/vnd.businessobjects' => 'rep',
    'application/x-bzip' => 'bz',
    'application/x-bzip2' => 'bz2',
    'application/x-csh' => 'csh',
    'text/x-c' => 'cpp',
    'application/vnd.chemdraw+xml' => 'cdxml',
    'text/css' => 'css',
    'chemical/x-cdx' => 'cdx',
    'chemical/x-cml' => 'cml',
    'chemical/x-csml' => 'csml',
    'application/vnd.contact.cmsg' => 'cdbcmsg',
    'application/vnd.claymore' => 'cla',
    'application/vnd.clonk.c4group' => 'c4g',
    'image/vnd.dvb.subtitle' => 'sub',
    'application/cdmi-capability' => 'cdmia',
    'application/cdmi-container' => 'cdmic',
    'application/cdmi-domain' => 'cdmid',
    'application/cdmi-object' => 'cdmio',
    'application/cdmi-queue' => 'cdmiq',
    'application/vnd.cluetrust.cartomobile-config' => 'c11amc',
    'application/vnd.cluetrust.cartomobile-config-pkg' => 'c11amz',
    'image/x-cmu-raster' => 'ras',
    'model/vnd.collada+xml' => 'dae',
    'text/csv' => 'csv',
    'application/mac-compactpro' => 'cpt',
    'application/vnd.wap.wmlc' => 'wmlc',
    'image/cgm' => 'cgm',
    'x-conference/x-cooltalk' => 'ice',
    'image/x-cmx' => 'cmx',
    'application/vnd.xara' => 'web',
    'application/vnd.cosmocaller' => 'cmc',
    'application/x-cpio' => 'cpio',
    'application/vnd.crick.clicker' => 'clkx',
    'application/vnd.crick.clicker.keyboard' => 'clkk',
    'application/vnd.crick.clicker.palette' => 'clkp',
    'application/vnd.crick.clicker.template' => 'clkt',
    'application/vnd.crick.clicker.wordbank' => 'clkw',
    'application/vnd.criticaltools.wbs+xml' => 'wbs',
    'application/vnd.rig.cryptonote' => 'cryptonote',
    'chemical/x-cif' => 'cif',
    'chemical/x-cmdf' => 'cmdf',
    'application/cu-seeme' => 'cu',
    'application/prs.cww' => 'cww',
    'text/vnd.curl' => 'curl',
    'text/vnd.curl.dcurl' => 'dcurl',
    'text/vnd.curl.mcurl' => 'mcurl',
    'text/vnd.curl.scurl' => 'scurl',
    'application/vnd.curl.car' => 'car',
    'application/vnd.curl.pcurl' => 'pcurl',
    'application/vnd.yellowriver-custom-menu' => 'cmp',
    'application/dssc+der' => 'dssc',
    'application/dssc+xml' => 'xdssc',
    'application/x-debian-package' => 'deb',
    'audio/vnd.dece.audio' => 'uva',
    'image/vnd.dece.graphic' => 'uvi',
    'video/vnd.dece.hd' => 'uvh',
    'video/vnd.dece.mobile' => 'uvm',
    'video/vnd.uvvu.mp4' => 'uvu',
    'video/vnd.dece.pd' => 'uvp',
    'video/vnd.dece.sd' => 'uvs',
    'video/vnd.dece.video' => 'uvv',
    'application/x-dvi' => 'dvi',
    'application/vnd.fdsn.seed' => 'seed',
    'application/x-dtbook+xml' => 'dtb',
    'application/x-dtbresource+xml' => 'res',
    'application/vnd.dvb.ait' => 'ait',
    'application/vnd.dvb.service' => 'svc',
    'audio/vnd.digital-winds' => 'eol',
    'image/vnd.djvu' => 'djvu',
    'application/xml-dtd' => 'dtd',
    'application/vnd.dolby.mlp' => 'mlp',
    'application/x-doom' => 'wad',
    'application/vnd.dpgraph' => 'dpg',
    'audio/vnd.dra' => 'dra',
    'application/vnd.dreamfactory' => 'dfac',
    'audio/vnd.dts' => 'dts',
    'audio/vnd.dts.hd' => 'dtshd',
    'image/vnd.dwg' => 'svf',
    'application/vnd.dynageo' => 'geo',
    'application/ecmascript' => 'js',
    'application/vnd.ecowin.chart' => 'mag',
    'image/vnd.fujixerox.edmics-mmr' => 'mmr',
    'image/vnd.fujixerox.edmics-rlc' => 'rlc',
    'application/exi' => 'exi',
    'application/vnd.proteus.magazine' => 'mgz',
    'application/epub+zip' => 'epub',
    'message/rfc822' => 'eml',
    'application/vnd.enliven' => 'nml',
    'application/vnd.is-xpr' => 'xpr',
    'image/vnd.xiff' => 'xif',
    'application/vnd.xfdl' => 'xfdl',
    'application/emma+xml' => 'emma',
    'application/vnd.ezpix-album' => 'ez2',
    'application/vnd.ezpix-package' => 'ez3',
    'image/vnd.fst' => 'fst',
    'video/vnd.fvt' => 'fvt',
    'image/vnd.fastbidsheet' => 'fbs',
    'application/vnd.denovo.fcselayout-link' => 'fe_launch',
    'video/x-f4v' => 'f4v',
    'video/x-flv' => 'flv',
    'image/vnd.fpx' => 'fpx',
    'image/vnd.net-fpx' => 'fpx',
    'text/vnd.fmi.flexstor' => 'flx',
    'video/x-fli' => 'fli',
    'application/vnd.fluxtime.clip' => 'ftc',
    'application/vnd.fdf' => 'fdf',
    'text/x-fortran' => 'for',
    'application/vnd.mif' => 'mif',
    'application/vnd.framemaker' => 'fm',
    'image/x-freehand' => 'fh',
    'application/vnd.fsc.weblaunch' => 'fsc',
    'application/vnd.frogans.fnc' => 'fnc',
    'application/vnd.frogans.ltf' => 'ltf',
    'application/vnd.fujixerox.ddd' => 'ddd',
    'application/vnd.fujixerox.docuworks' => 'xdw',
    'application/vnd.fujixerox.docuworks.binder' => 'xbd',
    'application/vnd.fujitsu.oasys' => 'oas',
    'application/vnd.fujitsu.oasys2' => 'oa2',
    'application/vnd.fujitsu.oasys3' => 'oa3',
    'application/vnd.fujitsu.oasysgp' => 'fg5',
    'application/vnd.fujitsu.oasysprs' => 'bh2',
    'application/x-futuresplash' => 'spl',
    'application/vnd.fuzzysheet' => 'fzs',
    'image/g3fax' => 'g3',
    'application/vnd.gmx' => 'gmx',
    'model/vnd.gtw' => 'gtw',
    'application/vnd.genomatix.tuxedo' => 'txd',
    'application/vnd.geogebra.file' => 'ggb',
    'application/vnd.geogebra.tool' => 'ggt',
    'model/vnd.gdl' => 'gdl',
    'application/vnd.geometry-explorer' => 'gex',
    'application/vnd.geonext' => 'gxt',
    'application/vnd.geoplan' => 'g2w',
    'application/vnd.geospace' => 'g3w',
    'application/x-font-ghostscript' => 'gsf',
    'application/x-font-bdf' => 'bdf',
    'application/x-gtar' => 'gtar',
    'application/x-texinfo' => 'texinfo',
    'application/x-gnumeric' => 'gnumeric',
    'application/vnd.google-earth.kml+xml' => 'kml',
    'application/vnd.google-earth.kmz' => 'kmz',
    'application/vnd.grafeq' => 'gqf',
    'image/gif' => 'gif',
    'text/vnd.graphviz' => 'gv',
    'application/vnd.groove-account' => 'gac',
    'application/vnd.groove-help' => 'ghf',
    'application/vnd.groove-identity-message' => 'gim',
    'application/vnd.groove-injector' => 'grv',
    'application/vnd.groove-tool-message' => 'gtm',
    'application/vnd.groove-tool-template' => 'tpl',
    'application/vnd.groove-vcard' => 'vcg',
    'video/h261' => 'h261',
    'video/h263' => 'h263',
    'video/h264' => 'h264',
    'application/vnd.hp-hpid' => 'hpid',
    'application/vnd.hp-hps' => 'hps',
    'application/x-hdf' => 'hdf',
    'audio/vnd.rip' => 'rip',
    'application/vnd.hbci' => 'hbci',
    'application/vnd.hp-jlyt' => 'jlt',
    'application/vnd.hp-pcl' => 'pcl',
    'application/vnd.hp-hpgl' => 'hpgl',
    'application/vnd.yamaha.hv-script' => 'hvs',
    'application/vnd.yamaha.hv-dic' => 'hvd',
    'application/vnd.yamaha.hv-voice' => 'hvp',
    'application/vnd.hydrostatix.sof-data' => 'sfd-hdstx',
    'application/hyperstudio' => 'stk',
    'application/vnd.hal+xml' => 'hal',
    'text/html' => 'html',
    'application/vnd.ibm.rights-management' => 'irm',
    'application/vnd.ibm.secure-container' => 'sc',
    'text/calendar' => 'ics',
    'application/vnd.iccprofile' => 'icc',
    'image/x-icon' => 'ico',
    'application/vnd.igloader' => 'igl',
    'image/ief' => 'iefs',
    'application/vnd.immervision-ivp' => 'ivp',
    'application/vnd.immervision-ivu' => 'ivu',
    'application/reginfo+xml' => 'rif',
    'text/vnd.in3d.3dml' => '3dml',
    'text/vnd.in3d.spot' => 'spot',
    'model/iges' => 'igs',
    'application/vnd.intergeo' => 'i2g',
    'application/vnd.cinderella' => 'cdy',
    'application/vnd.intercon.formnet' => 'xpw',
    'application/vnd.isac.fcs' => 'fcs',
    'application/ipfix' => 'ipfix',
    'application/pkix-cert' => 'crt',
    'application/pkixcmp' => 'pki',
    'application/pkix-crl' => 'crl',
    'application/pkix-pkipath' => 'pkipath',
    'application/vnd.insors.igm' => 'igm',
    'application/vnd.ipunplugged.rcprofile' => 'rcprofile',
    'application/vnd.irepository.package+xml' => 'irp',
    'text/vnd.sun.j2me.app-descriptor' => 'jad',
    'application/java-archive' => 'jar',
    'application/java-vm' => 'class',
    'application/x-java-jnlp-file' => 'jnlp',
    'application/java-serialized-object' => 'ser',
    'text/x-java-source,java' => 'java',
    'application/javascript' => 'js',
    'application/json' => 'json',
    'application/vnd.joost.joda-archive' => 'joda',
    'video/jpm' => 'jpm',
    'image/jpeg' => 'jpeg',
    'image/x-citrix-jpeg' => 'jpeg, .jpg',
    'image/pjpeg' => 'jpeg',
    'video/jpeg' => 'jpgv',
    'application/vnd.kahootz' => 'ktz',
    'application/vnd.chipnuts.karaoke-mmd' => 'mmd',
    'application/vnd.kde.karbon' => 'karbon',
    'application/vnd.kde.kchart' => 'chrt',
    'application/vnd.kde.kformula' => 'kfo',
    'application/vnd.kde.kivio' => 'flw',
    'application/vnd.kde.kontour' => 'kon',
    'application/vnd.kde.kpresenter' => 'kpr',
    'application/vnd.kde.kspread' => 'ksp',
    'application/vnd.kde.kword' => 'kwd',
    'application/vnd.kenameaapp' => 'htke',
    'application/vnd.kidspiration' => 'kia',
    'application/vnd.kinar' => 'kne',
    'application/vnd.kodak-descriptor' => 'sse',
    'application/vnd.las.las+xml' => 'lasxml',
    'application/x-latex' => 'ltx',
    'application/vnd.llamagraphics.life-balance.desktop' => 'lbd',
    'application/vnd.llamagraphics.life-balance.exchange+xml' => 'lbe',
    'application/vnd.jam' => 'jam',
    'application/vnd.lotus-1-2-3' => '123',
    'application/vnd.lotus-approach' => 'apr',
    'application/vnd.lotus-freelance' => 'pre',
    'application/vnd.lotus-notes' => 'nsf',
    'application/vnd.lotus-organizer' => 'org',
    'application/vnd.lotus-screencam' => 'scm',
    'application/vnd.lotus-wordpro' => 'lwp',
    'audio/vnd.lucent.voice' => 'lvp',
    'audio/x-mpegurl' => 'm3u',
    'video/x-m4v' => 'm4v',
    'application/mac-binhex40' => 'hqx',
    'application/vnd.macports.portpkg' => 'portpkg',
    'application/vnd.osgeo.mapguide.package' => 'mgp',
    'application/marc' => 'mrc',
    'application/marcxml+xml' => 'mrcx',
    'application/mxf' => 'mxf',
    'application/vnd.wolfram.player' => 'nbp',
    'application/mathematica' => 'ma',
    'application/mathml+xml' => 'mathml',
    'application/mbox' => 'mbox',
    'application/vnd.medcalcdata' => 'mc1',
    'application/mediaservercontrol+xml' => 'mscml',
    'application/vnd.mediastation.cdkey' => 'cdkey',
    'application/vnd.mfer' => 'mwf',
    'application/vnd.mfmp' => 'mfm',
    'model/mesh' => 'msh',
    'application/mads+xml' => 'mads',
    'application/mets+xml' => 'mets',
    'application/mods+xml' => 'mods',
    'application/metalink4+xml' => 'meta4',
    'application/vnd.mcd' => 'mcd',
    'application/vnd.micrografx.flo' => 'flo',
    'application/vnd.micrografx.igx' => 'igx',
    'application/vnd.eszigno3+xml' => 'es3',
    'application/x-msaccess' => 'mdb',
    'video/x-ms-asf' => 'wmv',
    'application/x-msdownload' => 'exe',
    'application/vnd.ms-artgalry' => 'cil',
    'application/vnd.ms-cab-compressed' => 'cab',
    'application/vnd.ms-ims' => 'ims',
    'application/x-ms-application' => 'application',
    'application/x-msclip' => 'clp',
    'image/vnd.ms-modi' => 'mdi',
    'application/vnd.ms-fontobject' => 'eot',
    'application/vnd.ms-excel' => 'xlsx',
    'application/vnd.ms-excel.addin.macroenabled.12' => 'xlam',
    'application/vnd.ms-excel.sheet.binary.macroenabled.12' => 'xlsb',
    'application/vnd.ms-excel.template.macroenabled.12' => 'xltm',
    'application/vnd.ms-excel.sheet.macroenabled.12' => 'xlsm',
    'application/vnd.ms-htmlhelp' => 'chm',
    'application/x-mscardfile' => 'crd',
    'application/vnd.ms-lrm' => 'lrm',
    'application/x-msmediaview' => 'mvb',
    'application/x-msmoney' => 'mny',
    'application/vnd.openxmlformats-officedocument.presentationml.presentation' => 'pptx',
    'application/vnd.openxmlformats-officedocument.presentationml.slide' => 'sldx',
    'application/vnd.openxmlformats-officedocument.presentationml.slideshow' => 'ppsx',
    'application/vnd.openxmlformats-officedocument.presentationml.template' => 'potx',
    'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => 'xlsx',
    'application/vnd.openxmlformats-officedocument.spreadsheetml.template' => 'xltx',
    'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'docx',
    'application/vnd.openxmlformats-officedocument.wordprocessingml.template' => 'dotx',
    'application/x-msbinder' => 'obd',
    'application/vnd.ms-officetheme' => 'thmx',
    'application/onenote' => 'onetoc',
    'audio/vnd.ms-playready.media.pya' => 'pya',
    'video/vnd.ms-playready.media.pyv' => 'pyv',
    'application/vnd.ms-powerpoint' => 'ppt',
    'application/vnd.ms-powerpoint.addin.macroenabled.12' => 'ppam',
    'application/vnd.ms-powerpoint.slide.macroenabled.12' => 'sldm',
    'application/vnd.ms-powerpoint.presentation.macroenabled.12' => 'pptm',
    'application/vnd.ms-powerpoint.slideshow.macroenabled.12' => 'ppsm',
    'application/vnd.ms-powerpoint.template.macroenabled.12' => 'potm',
    'application/vnd.ms-project' => 'mpp',
    'application/x-mspublisher' => 'pub',
    'application/x-msschedule' => 'scd',
    'application/x-silverlight-app' => 'xap',
    'application/vnd.ms-pki.stl' => 'stl',
    'application/vnd.ms-pki.seccat' => 'cat',
    'application/vnd.visio' => 'vsd',
    'application/vnd.visio2013' => 'vsdx',
    'video/x-ms-wm' => 'wm',
    'audio/x-ms-wma' => 'wma',
    'audio/x-ms-wax' => 'wax',
    'video/x-ms-wmx' => 'wmx',
    'application/x-ms-wmd' => 'wmd',
    'application/vnd.ms-wpl' => 'wpl',
    'application/x-ms-wmz' => 'wmz',
    'video/x-ms-wmv' => 'wmv',
    'video/x-ms-wvx' => 'wvx',
    'application/x-msmetafile' => 'wmf',
    'application/x-msterminal' => 'trm',
    'application/msword' => 'doc',
    'application/vnd.ms-word.document.macroenabled.12' => 'docm',
    'application/vnd.ms-word.template.macroenabled.12' => 'dotm',
    'application/x-mswrite' => 'wri',
    'application/vnd.ms-works' => 'wps',
    'application/x-ms-xbap' => 'xbap',
    'application/vnd.ms-xpsdocument' => 'xps',
    'audio/midi' => 'mid',
    'application/vnd.ibm.minipay' => 'mpy',
    'application/vnd.ibm.modcap' => 'afp',
    'application/vnd.jcp.javame.midlet-rms' => 'rms',
    'application/vnd.tmobile-livetv' => 'tmo',
    'application/x-mobipocket-ebook' => 'prc',
    'application/vnd.mobius.mbk' => 'mbk',
    'application/vnd.mobius.dis' => 'dis',
    'application/vnd.mobius.plc' => 'plc',
    'application/vnd.mobius.mqy' => 'mqy',
    'application/vnd.mobius.msl' => 'msl',
    'application/vnd.mobius.txf' => 'txf',
    'application/vnd.mobius.daf' => 'daf',
    'text/vnd.fly' => 'fly',
    'application/vnd.mophun.certificate' => 'mpc',
    'application/vnd.mophun.application' => 'mpn',
    'video/mj2' => 'jp2',
    'audio/mpeg' => 'mp3',
    'video/vnd.mpegurl' => 'mxu',
    'video/mpeg' => 'mpeg',
    'application/mp21' => 'm21',
    'audio/mp4' => 'mp4a',
    'video/mp4' => 'mp4',
    'application/mp4' => 'mp4',
    'application/vnd.apple.mpegurl' => 'm3u8',
    'application/vnd.musician' => 'mus',
    'application/vnd.muvee.style' => 'msty',
    'application/xv+xml' => 'mxml',
    'application/vnd.nokia.n-gage.data' => 'ngdat',
    'application/vnd.nokia.n-gage.symbian.install' => 'n-gage',
    'application/x-dtbncx+xml' => 'ncx',
    'application/x-netcdf' => 'nc',
    'application/vnd.neurolanguage.nlu' => 'nlu',
    'application/vnd.dna' => 'dna',
    'application/vnd.noblenet-directory' => 'nnd',
    'application/vnd.noblenet-sealer' => 'nns',
    'application/vnd.noblenet-web' => 'nnw',
    'application/vnd.nokia.radio-preset' => 'rpst',
    'application/vnd.nokia.radio-presets' => 'rpss',
    'text/n3' => 'n3',
    'application/vnd.novadigm.edm' => 'edm',
    'application/vnd.novadigm.edx' => 'edx',
    'application/vnd.novadigm.ext' => 'ext',
    'application/vnd.flographit' => 'gph',
    'audio/vnd.nuera.ecelp4800' => 'ecelp4800',
    'audio/vnd.nuera.ecelp7470' => 'ecelp7470',
    'audio/vnd.nuera.ecelp9600' => 'ecelp9600',
    'application/oda' => 'oda',
    'application/ogg' => 'ogg',
    'audio/ogg' => 'ogg',
    'video/ogg' => 'ogg',
    'application/vnd.oma.dd2+xml' => 'dd2',
    'application/vnd.oasis.opendocument.text-web' => 'oth',
    'application/oebps-package+xml' => 'opf',
    'application/vnd.intu.qbo' => 'qbo',
    'application/vnd.openofficeorg.extension' => 'oxt',
    'application/vnd.yamaha.openscoreformat' => 'osf',
    'audio/webm' => 'weba',
    'video/webm' => 'webm',
    'application/vnd.oasis.opendocument.chart' => 'odc',
    'application/vnd.oasis.opendocument.chart-template' => 'otc',
    'application/vnd.oasis.opendocument.database' => 'odb',
    'application/vnd.oasis.opendocument.formula' => 'odf',
    'application/vnd.oasis.opendocument.formula-template' => 'odft',
    'application/vnd.oasis.opendocument.graphics' => 'odg',
    'application/vnd.oasis.opendocument.graphics-template' => 'otg',
    'application/vnd.oasis.opendocument.image' => 'odi',
    'application/vnd.oasis.opendocument.image-template' => 'oti',
    'application/vnd.oasis.opendocument.presentation' => 'odp',
    'application/vnd.oasis.opendocument.presentation-template' => 'otp',
    'application/vnd.oasis.opendocument.spreadsheet' => 'ods',
    'application/vnd.oasis.opendocument.spreadsheet-template' => 'ots',
    'application/vnd.oasis.opendocument.text' => 'odt',
    'application/vnd.oasis.opendocument.text-master' => 'odm',
    'application/vnd.oasis.opendocument.text-template' => 'ott',
    'image/ktx' => 'ktx',
    'application/vnd.sun.xml.calc' => 'sxc',
    'application/vnd.sun.xml.calc.template' => 'stc',
    'application/vnd.sun.xml.draw' => 'sxd',
    'application/vnd.sun.xml.draw.template' => 'std',
    'application/vnd.sun.xml.impress' => 'sxi',
    'application/vnd.sun.xml.impress.template' => 'sti',
    'application/vnd.sun.xml.math' => 'sxm',
    'application/vnd.sun.xml.writer' => 'sxw',
    'application/vnd.sun.xml.writer.global' => 'sxg',
    'application/vnd.sun.xml.writer.template' => 'stw',
    'application/x-font-otf' => 'otf',
    'application/vnd.yamaha.openscoreformat.osfpvg+xml' => 'osfpvg',
    'application/vnd.osgi.dp' => 'dp',
    'application/vnd.palm' => 'pdb',
    'text/x-pascal' => 'p',
    'application/vnd.pawaafile' => 'paw',
    'application/vnd.hp-pclxl' => 'pclxl',
    'application/vnd.picsel' => 'efif',
    'image/x-pcx' => 'pcx',
    'image/vnd.adobe.photoshop' => 'psd',
    'application/pics-rules' => 'prf',
    'image/x-pict' => 'pct',
    'application/x-chat' => 'chat',
    'application/pkcs10' => 'p10',
    'application/x-pkcs12' => 'p12',
    'application/pkcs7-mime' => 'p7c',
    'application/pkcs7-signature' => 'p7s',
    'application/x-pkcs7-certreqresp' => 'p7r',
    'application/x-pkcs7-certificates' => 'spc',
    'application/pkcs8' => 'p8',
    'application/vnd.pocketlearn' => 'plf',
    'image/x-portable-anymap' => 'pnm',
    'image/x-portable-bitmap' => 'pbm',
    'application/x-font-pcf' => 'pcf',
    'application/font-tdpfr' => 'pfr',
    'application/x-chess-pgn' => 'pgn',
    'image/x-portable-graymap' => 'pgm',
    'image/png' => 'png',
    'image/x-citrix-png' => 'png',
    'image/x-png' => 'png',
    'image/x-portable-pixmap' => 'ppm',
    'application/pskc+xml' => 'pskcxml',
    'application/vnd.ctc-posml' => 'pml',
    'application/postscript' => 'ai',
    'application/x-font-type1' => 'pfa',
    'application/vnd.powerbuilder6' => 'pbd',
    'application/pgp-encrypted' => 'pgp',
    'application/pgp-signature' => 'pgp',
    'application/vnd.previewsystems.box' => 'box',
    'application/vnd.pvi.ptid1' => 'ptid',
    'application/pls+xml' => 'pls',
    'application/vnd.pg.format' => 'str',
    'application/vnd.pg.osasli' => 'ei6',
    'text/prs.lines.tag' => 'dsc',
    'application/x-font-linux-psf' => 'psf',
    'application/vnd.publishare-delta-tree' => 'qps',
    'application/vnd.pmi.widget' => 'wg',
    'application/vnd.quark.quarkxpress' => 'qxd',
    'application/vnd.epson.esf' => 'esf',
    'application/vnd.epson.msf' => 'msf',
    'application/vnd.epson.ssf' => 'ssf',
    'application/vnd.epson.quickanime' => 'qam',
    'application/vnd.intu.qfx' => 'qfx',
    'video/quicktime' => 'mov',
    'application/x-rar-compressed' => 'rar',
    'application/x-rar' => 'rar',
    'application/rar' => 'rar',
    'audio/x-pn-realaudio' => 'ram',
    'audio/x-pn-realaudio-plugin' => 'rpm',
    'application/rsd+xml' => 'rsd',
    'application/vnd.rn-realmedia' => 'rm',
    'application/vnd.realvnc.bed' => 'bed',
    'application/vnd.recordare.musicxml' => 'mxl',
    'application/vnd.recordare.musicxml+xml' => 'musicxml',
    'application/relax-ng-compact-syntax' => 'rnc',
    'application/vnd.data-vision.rdz' => 'rdz',
    'application/rdf+xml' => 'rdf',
    'application/vnd.cloanto.rp9' => 'rp9',
    'application/vnd.jisp' => 'jisp',
    'application/rtf' => 'rtx',
    'text/richtext' => 'rtx',
    'application/vnd.route66.link66+xml' => 'link66',
    'application/rss+xml' => 'rss, .xml',
    'application/shf+xml' => 'shf',
    'application/vnd.sailingtracker.track' => 'st',
    'image/svg+xml' => 'svg',
    'application/vnd.sus-calendar' => 'sus',
    'application/sru+xml' => 'sru',
    'application/set-payment-initiation' => 'setpay',
    'application/set-registration-initiation' => 'setreg',
    'application/vnd.sema' => 'sema',
    'application/vnd.semd' => 'semd',
    'application/vnd.semf' => 'semf',
    'application/vnd.seemail' => 'see',
    'application/x-font-snf' => 'snf',
    'application/scvp-vp-request' => 'spq',
    'application/scvp-vp-response' => 'spp',
    'application/scvp-cv-request' => 'scq',
    'application/scvp-cv-response' => 'scs',
    'application/sdp' => 'sdp',
    'text/x-setext' => 'etx',
    'video/x-sgi-movie' => 'movie',
    'application/vnd.shana.informed.formdata' => 'ifm',
    'application/vnd.shana.informed.formtemplate' => 'itp',
    'application/vnd.shana.informed.interchange' => 'iif',
    'application/vnd.shana.informed.package' => 'ipk',
    'application/thraud+xml' => 'tfi',
    'application/x-shar' => 'shar',
    'image/x-rgb' => 'rgb',
    'application/vnd.epson.salt' => 'slt',
    'application/vnd.accpac.simply.aso' => 'aso',
    'application/vnd.accpac.simply.imp' => 'imp',
    'application/vnd.simtech-mindmapper' => 'twd',
    'application/vnd.commonspace' => 'csp',
    'application/vnd.yamaha.smaf-audio' => 'saf',
    'application/vnd.smaf' => 'mmf',
    'application/vnd.yamaha.smaf-phrase' => 'spf',
    'application/vnd.smart.teacher' => 'teacher',
    'application/vnd.svd' => 'svd',
    'application/sparql-query' => 'rq',
    'application/sparql-results+xml' => 'srx',
    'application/srgs' => 'gram',
    'application/srgs+xml' => 'grxml',
    'application/ssml+xml' => 'ssml',
    'application/vnd.koan' => 'skp',
    'text/sgml' => 'sgml',
    'application/vnd.stardivision.calc' => 'sdc',
    'application/vnd.stardivision.draw' => 'sda',
    'application/vnd.stardivision.impress' => 'sdd',
    'application/vnd.stardivision.math' => 'smf',
    'application/vnd.stardivision.writer' => 'sdw',
    'application/vnd.stardivision.writer-global' => 'sgl',
    'application/vnd.stepmania.stepchart' => 'sm',
    'application/x-stuffit' => 'sit',
    'application/x-stuffitx' => 'sitx',
    'application/vnd.solent.sdkm+xml' => 'sdkm',
    'application/vnd.olpc-sugar' => 'xo',
    'audio/basic' => 'snd',
    'application/vnd.wqd' => 'wqd',
    'application/vnd.symbian.install' => 'sis',
    'application/smil+xml' => 'smi',
    'application/vnd.syncml+xml' => 'xsm',
    'application/vnd.syncml.dm+wbxml' => 'bdm',
    'application/vnd.syncml.dm+xml' => 'xdm',
    'application/x-sv4cpio' => 'sv4cpio',
    'application/x-sv4crc' => 'sv4crc',
    'application/sbml+xml' => 'sbml',
    'text/tab-separated-values' => 'tsv',
    'image/tiff' => 'tiff',
    'application/vnd.tao.intent-module-archive' => 'tao',
    'application/x-tar' => 'tar',
    'application/x-tcl' => 'tcl',
    'application/x-tex' => 'tex',
    'application/x-tex-tfm' => 'tfm',
    'application/tei+xml' => 'tei',
    'text/plain' => 'txt',
    'application/vnd.spotfire.dxp' => 'dxp',
    'application/vnd.spotfire.sfs' => 'sfs',
    'application/timestamped-data' => 'tsd',
    'application/vnd.trid.tpt' => 'tpt',
    'application/vnd.triscape.mxs' => 'mxs',
    'text/troff' => 't',
    'application/vnd.trueapp' => 'tra',
    'application/x-font-ttf' => 'ttf',
    'font/sfnt' => 'ttf',
    'text/turtle' => 'ttl',
    'application/vnd.umajin' => 'umj',
    'application/vnd.uoml+xml' => 'uoml',
    'application/vnd.unity' => 'unityweb',
    'application/vnd.ufdl' => 'ufd',
    'text/uri-list' => 'uris',
    'application/vnd.uiq.theme' => 'utz',
    'application/x-ustar' => 'ustar',
    'text/x-uuencode' => 'uue',
    'text/x-vcalendar' => 'vcs',
    'text/x-vcard' => 'vcf',
    'application/x-cdlink' => 'vcd',
    'application/vnd.vsf' => 'vsf',
    'model/vrml' => 'wrz',
    'application/vnd.vcx' => 'vcx',
    'model/vnd.mts' => 'mts',
    'model/vnd.vtu' => 'vtu',
    'application/vnd.visionary' => 'vis',
    'video/vnd.vivo' => 'vivo',
    'application/ccxml+xml,' => 'ccxml',
    'application/voicexml+xml' => 'vxml',
    'application/x-wais-source' => 'wsrc',
    'application/vnd.wap.wbxml' => 'wbxml',
    'image/vnd.wap.wbmp' => 'wbmp',
    'audio/x-wav' => 'wav',
    'application/davmount+xml' => 'davmount',
    'application/x-font-woff' => 'woff',
    'application/wspolicy+xml' => 'wspolicy',
    'image/webp' => 'webp',
    'application/vnd.webturbo' => 'wtb',
    'application/widget' => 'wgt',
    'application/winhlp' => 'hlp',
    'text/vnd.wap.wml' => 'wml',
    'text/vnd.wap.wmlscript' => 'wmls',
    'application/vnd.wap.wmlscriptc' => 'wmlsc',
    'application/vnd.wordperfect' => 'wpd',
    'application/vnd.wt.stf' => 'stf',
    'application/wsdl+xml' => 'wsdl',
    'image/x-xbitmap' => 'bmp',
    'image/x-xpixmap' => 'xpm',
    'image/x-xwindowdump' => 'xwd',
    'application/x-x509-ca-cert' => 'crt',
    'application/x-xfig' => 'fig',
    'application/xhtml+xml' => 'xhtml',
    'application/xml' => 'xml',
    'application/xcap-diff+xml' => 'xdf',
    'application/xenc+xml' => 'xenc',
    'application/patch-ops-error+xml' => 'xer',
    'application/resource-lists+xml' => 'rl',
    'application/rls-services+xml' => 'rs',
    'application/resource-lists-diff+xml' => 'rld',
    'application/xslt+xml' => 'xslt',
    'application/xop+xml' => 'xop',
    'application/x-xpinstall' => 'xpi',
    'application/xspf+xml' => 'xspf',
    'application/vnd.mozilla.xul+xml' => 'xul',
    'chemical/x-xyz' => 'xyz',
    'text/yaml' => 'yaml',
    'application/yang' => 'yang',
    'application/yin+xml' => 'yin',
    'application/vnd.zul' => 'zir',
    'application/zip' => 'zip',
    'application/vnd.handheld-entertainment+xml' => 'zmm',
    'application/vnd.zzazz.deck+xml' => 'zaz',
    'x-world/x-3dmf' => 'qd3d',
    'text/vnd.abc' => 'abc',
    'video/animaflex' => 'afl',
    'audio/aiff' => 'aif',
    'application/x-aim' => 'aim',
    'text/x-audiosoft-intra' => 'aip',
    'application/x-navi-animation' => 'ani',
    'application/x-nokia-9000-communicator-add-on-software' => 'aos',
    'application/mime' => 'aps',
    'application/arj' => 'arj',
    'image/x-jg' => 'art',
    'text/asp' => 'asp',
    'application/x-mplayer2' => 'asx',
    'video/x-ms-asf-plugin' => 'asx',
    'audio/x-au' => 'au',
    'application/x-troff-msvideo' => 'avi',
    'video/avi' => 'avi',
    'video/msvideo' => 'avi',
    'video/avs-video' => 'avs',
    'application/mac-binary' => 'bin',
    'application/macbinary' => 'bin',
    'application/x-binary' => 'bin',
    'application/x-macbinary' => 'bin',
    'image/x-windows-bmp' => 'bmp',
    'application/book' => 'book',
    'application/x-bsh' => 'shar',
    'application/clariscad' => 'ccad',
    'application/x-cocoa' => 'cco',
    'application/cdf' => 'cdf',
    'application/x-cdf' => 'cdf',
    'application/java' => 'class',
    'application/java-byte-code' => 'class',
    'application/x-java-class' => 'class',
    'application/x-compactpro' => 'cpt',
    'application/x-cpt' => 'cpt',
    'application/pkcs-crl' => 'crl',
    'application/x-x509-user-cert' => 'pem',
    'text/x-script.csh' => 'csh',
    'application/x-pointplus' => 'css',
    'application/x-deepv' => 'deepv',
    'video/x-dv' => 'dv',
    'video/dl' => 'dl',
    'video/x-dl' => 'dl',
    'application/commonground' => 'dp',
    'application/drafting' => 'drw',
    'drawing/x-dwf (old)' => 'dwf',
    'application/acad' => 'dwg',
    'image/x-dwg' => 'svf',
    'application/dxf' => 'dxf',
    'text/x-script.elisp' => 'el',
    'application/x-bytecode.elisp (compiled elisp)' => 'elc',
    'application/x-elc' => 'elc',
    'application/x-envoy' => 'evy',
    'application/x-esrehber' => 'es',
    'application/envoy' => 'evy',
    'application/fractals' => 'fif',
    'image/fif' => 'fif',
    'video/fli' => 'fli',
    'image/florian' => 'turbot',
    'video/x-atomic3d-feature' => 'fmf',
    'application/freeloader' => 'frl',
    'audio/make' => 'pfunk',
    'video/gl' => 'gl',
    'video/x-gl' => 'gl',
    'audio/x-gsm' => 'gsm',
    'application/x-gsp' => 'gsp',
    'application/x-gss' => 'gss',
    'application/x-compressed' => '7zip',
    'application/x-gzip' => 'gzip',
    'multipart/x-gzip' => 'gzip',
    'text/x-h' => 'hh',
    'application/x-helpfile' => 'hlp',
    'text/x-script' => 'hlb',
    'application/hlp' => 'hlp',
    'application/x-winhelp' => 'hlp',
    'application/binhex' => 'hqx',
    'application/binhex4' => 'hqx',
    'application/mac-binhex' => 'hqx',
    'application/x-binhex40' => 'hqx',
    'application/x-mac-binhex40' => 'hqx',
    'application/hta' => 'hta',
    'text/x-component' => 'htc',
    'text/webviewhtml' => 'htt',
    'application/iges' => 'igs',
    'application/x-ima' => 'ima',
    'application/x-httpd-imap' => 'imap',
    'application/inf' => 'inf',
    'application/x-internett-signup' => 'ins',
    'application/x-ip2' => 'ip',
    'video/x-isvideo' => 'isu',
    'audio/it' => 'it',
    'application/x-inventor' => 'iv',
    'i-world/i-vrml' => 'ivr',
    'application/x-livescreen' => 'ivy',
    'audio/x-jam' => 'jam',
    'text/x-java-source' => 'java',
    'application/x-java-commerce' => 'jcm',
    'image/x-jps' => 'jps',
    'application/x-javascript' => 'js',
    'text/javascript' => 'js',
    'text/ecmascript' => 'js',
    'image/jutvision' => 'jut',
    'music/x-karaoke' => 'kar',
    'application/x-ksh' => 'ksh',
    'text/x-script.ksh' => 'ksh',
    'audio/nspaudio' => 'lma',
    'audio/x-nspaudio' => 'lma',
    'audio/x-liveaudio' => 'lam',
    'application/lha' => 'lha',
    'application/x-lha' => 'lha',
    'application/x-lisp' => 'lsp',
    'text/x-script.lisp' => 'lsp',
    'text/x-la-asf' => 'lsx',
    'application/x-lzh' => 'lzh',
    'application/lzx' => 'lzx',
    'application/x-lzx' => 'lzx',
    'text/x-m' => 'm',
    'audio/x-mpequrl' => 'm3u',
    'application/x-troff-man' => 'man',
    'application/x-navimap' => 'map',
    'application/mbedlet' => 'mbd',
    'application/x-magic-cap-package-1.0' => 'mc$',
    'application/mcad' => 'mcd',
    'application/x-mathcad' => 'mcd',
    'image/vasa' => 'mcf',
    'text/mcf' => 'mcf',
    'application/netmc' => 'mcp',
    'application/x-troff-me' => 'me',
    'application/x-midi' => 'midi',
    'audio/x-mid' => 'midi',
    'audio/x-midi' => 'midi',
    'music/crescendo' => 'midi',
    'x-music/x-midi' => 'midi',
    'application/x-frame' => 'mif',
    'application/x-mif' => 'mif',
    'www/mime' => 'mime',
    'audio/x-vnd.audioexplosion.mjuicemediafile' => 'mjf',
    'video/x-motion-jpeg' => 'mjpg',
    'application/base64' => 'mme',
    'application/x-meme' => 'mm',
    'audio/mod' => 'mod',
    'audio/x-mod' => 'mod',
    'audio/x-mpeg' => 'mp2',
    'video/x-mpeg' => 'mp3',
    'video/x-mpeq2a' => 'mp2',
    'audio/mpeg3' => 'mp3',
    'audio/x-mpeg-3' => 'mp3',
    'application/x-project' => 'mpx',
    'application/x-troff-ms' => 'ms',
    'application/x-vnd.audioexplosion.mzz' => 'mzz',
    'image/naplps' => 'naplps',
    'application/vnd.nokia.configuration-message' => 'ncm',
    'image/x-niff' => 'niff',
    'application/x-mix-transfer' => 'nix',
    'application/x-conference' => 'nsc',
    'application/x-navidoc' => 'nvd',
    'application/x-omc' => 'omc',
    'application/x-omcdatamaker' => 'omcd',
    'application/x-omcregerator' => 'omcr',
    'application/x-pkcs10' => 'p10',
    'application/pkcs-12' => 'p12',
    'application/x-pkcs7-signature' => 'p7a',
    'application/x-pkcs7-mime' => 'p7c',
    'application/pro_eng' => 'prt',
    'text/pascal' => 'pas',
    'application/x-pcl' => 'pcl',
    'chemical/x-pdb' => 'xyz',
    'audio/make.my.funk' => 'pfunk',
    'image/x-portable-greymap' => 'pgm',
    'image/pict' => 'pict',
    'application/x-newton-compatible-pkg' => 'pkg',
    'application/vnd.ms-pki.pko' => 'pko',
    'text/x-script.perl' => 'pl',
    'application/x-pixclscript' => 'plx',
    'text/x-script.perl-module' => 'pm',
    'application/x-pagemaker' => 'pm5',
    'application/x-portable-anymap' => 'pnm',
    'application/mspowerpoint' => 'ppz',
    'model/x-pov' => 'pov',
    'application/powerpoint' => 'ppt',
    'application/x-mspowerpoint' => 'ppt',
    'application/x-freelance' => 'pre',
    'paleovu/x-pv' => 'pvu',
    'text/x-script.phyton' => 'py',
    'application/x-bytecode.python' => 'pyc',
    'audio/vnd.qcelp' => 'qcp',
    'image/x-quicktime' => 'qtif',
    'video/x-qtc' => 'qtc',
    'audio/x-realaudio' => 'ra',
    'application/x-cmu-raster' => 'ras',
    'image/cmu-raster' => 'rast',
    'text/x-script.rexx' => 'rexx',
    'image/vnd.rn-realflash' => 'rf',
    'audio/mid' => 'rmi',
    'application/ringing-tones' => 'rng',
    'application/vnd.nokia.ringing-tone' => 'rng',
    'application/vnd.rn-realplayer' => 'rnx',
    'application/x-troff' => 'tr',
    'image/vnd.rn-realpix' => 'rp',
    'text/vnd.rn-realtext' => 'rt',
    'application/x-rtf' => 'rtf',
    'video/vnd.rn-realvideo' => 'rv',
    'audio/s3m' => 's3m',
    'application/x-tbook' => 'tbk',
    'application/x-lotusscreencam' => 'scm',
    'text/x-script.guile' => 'scm',
    'text/x-script.scheme' => 'scm',
    'video/x-scm' => 'scm',
    'application/x-sdp' => 'sdp',
    'application/sounder' => 'sdr',
    'application/sea' => 'sea',
    'application/x-sea' => 'sea',
    'application/set' => 'set',
    'text/x-sgml' => 'sgml',
    'text/x-script.sh' => 'sh',
    'text/x-server-parsed-html' => 'ssi',
    'audio/x-psid' => 'sid',
    'application/x-sit' => 'sit',
    'application/x-koan' => 'skt',
    'application/x-seelogo' => 'sl',
    'application/smil' => 'smil',
    'audio/x-adpcm' => 'snd',
    'application/solids' => 'sol',
    'text/x-speech' => 'talk',
    'application/futuresplash' => 'spl',
    'application/x-sprite' => 'sprite',
    'application/streamingmedia' => 'ssm',
    'application/vnd.ms-pki.certstore' => 'sst',
    'application/step' => 'stp',
    'application/sla' => 'stl',
    'application/x-navistyle' => 'stl',
    'application/x-world' => 'wrl',
    'x-world/x-svr' => 'svr',
    'application/toolbook' => 'tbk',
    'text/x-script.tcl' => 'tcl',
    'text/x-script.tcsh' => 'tcsh',
    'application/plain' => 'text',
    'application/gnutar' => 'tgz',
    'image/x-tiff' => 'tiff',
    'audio/tsp-audio' => 'tsi',
    'application/dsptype' => 'tsp',
    'audio/tsplayer' => 'tsp',
    'text/x-uil' => 'uil',
    'application/i-deas' => 'unv',
    'multipart/x-ustar' => 'ustar',
    'application/vda' => 'vda',
    'video/vdo' => 'vdo',
    'application/groupwise' => 'vew',
    'video/vivo' => 'vivo',
    'application/vocaltec-media-desc' => 'vmd',
    'application/vocaltec-media-file' => 'vmf',
    'audio/voc' => 'voc',
    'audio/x-voc' => 'voc',
    'video/vosaic' => 'vos',
    'audio/voxware' => 'vox',
    'audio/x-twinvq-plugin' => 'vql',
    'audio/x-twinvq' => 'vqf',
    'application/x-vrml' => 'vrml',
    'x-world/x-vrml' => 'wrz',
    'x-world/x-vrt' => 'vrt',
    'application/x-visio' => 'vsw',
    'application/wordperfect6.0' => 'wp5',
    'application/wordperfect6.1' => 'w61',
    'audio/wav' => 'wav',
    'application/x-qpro' => 'wb1',
    'application/x-123' => 'wk1',
    'windows/metafile' => 'wmf',
    'application/wordperfect' => 'wpd',
    'application/x-wpwin' => 'wpd',
    'application/x-lotus' => 'wq1',
    'application/mswrite' => 'wri',
    'application/x-wri' => 'wri',
    'text/scriplet' => 'wsc',
    'application/x-wintalk' => 'wtk',
    'image/x-xbm' => 'xbm',
    'image/xbm' => 'xbm',
    'video/x-amt-demorun' => 'xdr',
    'xgl/drawing' => 'xgz',
    'application/excel' => 'xl',
    'application/x-excel' => 'xls',
    'application/x-msexcel' => 'xls',
    'audio/xm' => 'xm',
    'text/xml' => 'xml',
    'xgl/movie' => 'xmz',
    'application/x-vnd.ls-xpix' => 'xpix',
    'image/xpm' => 'xpm',
    'video/x-amt-showrun' => 'xsr',
    'image/x-xwd' => 'xwd',
    'application/x-compress' => 'z',
    'application/x-zip-compressed' => 'zip',
    'multipart/x-zip' => 'zip',
    'text/x-script.zsh' => 'zsh',
    'font/otf' => 'otf',
    'font/ttf' => 'ttf',
    'font/woff' => 'woff',
    'font/woff2' => 'woff2',
    'application/x-dosexec' => 'exe',
    'application/exe' => 'exe',
    'application/x-exe' => 'exe',
    'application/dos-exe' => 'exe',
    'vms/exe' => 'exe',
    'application/x-winexe' => 'exe',
    'application/msdos-windows' => 'exe',
    'application/x-msdos-program' => 'exe',
    'video/3gp' => '3gp',
    'audio/x-acc' => 'aac',
    'audio/ac3' => 'ac3',
    'image/x-bmp' => 'bmp',
    'image/x-bitmap' => 'bmp',
    'image/x-win-bitmap' => 'bmp',
    'image/ms-bmp' => 'bmp',
    'image/x-ms-bmp' => 'bmp',
    'application/bmp' => 'bmp',
    'application/x-bmp' => 'bmp',
    'application/x-win-bitmap' => 'bmp',
    'application/cdr' => 'cdr',
    'application/coreldraw' => 'cdr',
    'application/x-cdr' => 'cdr',
    'application/x-coreldraw' => 'cdr',
    'image/cdr' => 'cdr',
    'image/x-cdr' => 'cdr',
    'zz-application/zz-winassoc-cdr' => 'cdr',
    'text/x-comma-separated-values' => 'csv',
    'text/comma-separated-values' => 'csv',
    'application/vnd.msexcel' => 'csv',
    'audio/x-flac' => 'flac',
    'application/gpg-keys' => 'gpg',
    'image/x-ico' => 'ico',
    'image/vnd.microsoft.icon' => 'ico',
    'application/x-java-application' => 'jar',
    'application/x-jar' => 'jar',
    'image/jp2' => 'jp2',
    'image/jpx' => 'jp2',
    'image/jpm' => 'jp2',
    'text/json' => 'json',
    'text/x-log' => 'log',
    'audio/x-m4a' => 'm4a',
    'application/vnd.mpegurl' => 'm4u',
    'audio/mpg' => 'mp3',
    'audio/mp3' => 'mp3',
    'application/x-pem-file' => 'pem',
    'application/pgp' => 'pgp',
    'application/x-httpd-php' => 'php',
    'application/php' => 'php',
    'application/x-php' => 'php',
    'text/php' => 'php',
    'text/x-php' => 'php',
    'application/x-httpd-php-source' => 'php',
    'application/vnd.ms-office' => 'ppt',
    'application/x-photoshop' => 'psd',
    'application/x-pkcs7' => 'rsa',
    'text/rtf' => 'rtf',
    'text/srt' => 'srt',
    'application/x-gzip-compressed' => 'tgz',
    'application/videolan' => 'vlc',
    'text/vtt' => 'vtt',
    'audio/wave' => 'wav',
    'application/wbxml' => 'wbxml',
    'application/wmlc' => 'wmlc',
    'application/msexcel' => 'xls',
    'application/x-ms-excel' => 'xls',
    'application/x-dos_ms_excel' => 'xls',
    'application/xls' => 'xls',
    'application/x-xls' => 'xls',
    'text/xsl' => 'xsl',
    'application/x-zip' => 'zip',
    'application/s-compressed' => 'zip',
    'text/x-scriptzsh' => 'zsh',
  ];