From 391ca5d7a8c94e3d21cbce93eba1dcfa8b35517f Mon Sep 17 00:00:00 2001
From: Douglas Christopher Wilson <doug@somethingdoug.com>
Date: Wed, 20 Aug 2014 14:34:30 -0400
Subject: [PATCH 1/4] add extension lookup

---
 LICENSE                     |    3 +-
 README.md                   |   15 +-
 db-ext.json                 | 1048 +++++++++++++++++++++++++++++++++++
 index.js                    |    5 +
 scripts/build.js            |   40 +-
 scripts/lib/write-db-ext.js |   26 +
 test/index.js               |   13 +
 7 files changed, 1136 insertions(+), 14 deletions(-)
 create mode 100644 db-ext.json
 create mode 100644 scripts/lib/write-db-ext.js

diff --git a/LICENSE b/LICENSE
index a7ae8ee9b..e2bbd5af1 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,7 +1,8 @@
 
 The MIT License (MIT)
 
-Copyright (c) 2014 Jonathan Ong me@jongleberry.com
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 7662440bb..5a1dc4568 100644
--- a/README.md
+++ b/README.md
@@ -39,12 +39,17 @@ var db = require('mime-db');
 
 // grab data on .js files
 var data = db['application/javascript'];
+
+// grab mime types for extension
+var type = db.extension['js'];
 ```
 
 ## Data Structure
 
-The JSON file is a map lookup for lowercased mime types.
-Each mime type has the following properties:
+### db.json
+
+The JSON file is a map lookup for lower-cased mime types. Each mime type has
+the following properties:
 
 - `.source` - where the mime type is defined.
     If not set, it's probably a custom media type.
@@ -57,6 +62,12 @@ Each mime type has the following properties:
 
 If unknown, every property could be `undefined`.
 
+### db-ext.json
+
+The JSON file is a map lookup for lower-cased file extensions. Each file
+extension is an array with the list of lower-cased mime types in order of
+preference.
+
 ## Contributing
 
 To edit the database, only make PRs against `src/custom.json` or
diff --git a/db-ext.json b/db-ext.json
new file mode 100644
index 000000000..d0e4c9541
--- /dev/null
+++ b/db-ext.json
@@ -0,0 +1,1048 @@
+{
+  "123": ["application/vnd.lotus-1-2-3"],
+  "3dml": ["text/vnd.in3d.3dml"],
+  "3ds": ["image/x-3ds"],
+  "3g2": ["video/3gpp2"],
+  "3gp": ["video/3gpp"],
+  "3gpp": ["video/3gpp","audio/3gpp"],
+  "7z": ["application/x-7z-compressed"],
+  "aab": ["application/x-authorware-bin"],
+  "aac": ["audio/x-aac"],
+  "aam": ["application/x-authorware-map"],
+  "aas": ["application/x-authorware-seg"],
+  "abw": ["application/x-abiword"],
+  "ac": ["application/pkix-attr-cert"],
+  "acc": ["application/vnd.americandynamics.acc"],
+  "ace": ["application/x-ace-compressed"],
+  "acu": ["application/vnd.acucobol"],
+  "acutc": ["application/vnd.acucorp"],
+  "adp": ["audio/adpcm"],
+  "aep": ["application/vnd.audiograph"],
+  "afm": ["application/x-font-type1"],
+  "afp": ["application/vnd.ibm.modcap"],
+  "ahead": ["application/vnd.ahead.space"],
+  "ai": ["application/postscript"],
+  "aif": ["audio/x-aiff"],
+  "aifc": ["audio/x-aiff"],
+  "aiff": ["audio/x-aiff"],
+  "air": ["application/vnd.adobe.air-application-installer-package+zip"],
+  "ait": ["application/vnd.dvb.ait"],
+  "ami": ["application/vnd.amiga.ami"],
+  "apk": ["application/vnd.android.package-archive"],
+  "appcache": ["text/cache-manifest"],
+  "application": ["application/x-ms-application"],
+  "apr": ["application/vnd.lotus-approach"],
+  "arc": ["application/x-freearc"],
+  "asc": ["application/pgp-signature"],
+  "asf": ["video/x-ms-asf"],
+  "asm": ["text/x-asm"],
+  "aso": ["application/vnd.accpac.simply.aso"],
+  "asx": ["video/x-ms-asf"],
+  "atc": ["application/vnd.acucorp"],
+  "atom": ["application/atom+xml"],
+  "atomcat": ["application/atomcat+xml"],
+  "atomsvc": ["application/atomsvc+xml"],
+  "atx": ["application/vnd.antix.game-component"],
+  "au": ["audio/basic"],
+  "avi": ["video/x-msvideo"],
+  "aw": ["application/applixware"],
+  "azf": ["application/vnd.airzip.filesecure.azf"],
+  "azs": ["application/vnd.airzip.filesecure.azs"],
+  "azw": ["application/vnd.amazon.ebook"],
+  "bat": ["application/x-msdownload"],
+  "bcpio": ["application/x-bcpio"],
+  "bdf": ["application/x-font-bdf"],
+  "bdm": ["application/vnd.syncml.dm+wbxml"],
+  "bdoc": ["application/bdoc","application/x-bdoc"],
+  "bed": ["application/vnd.realvnc.bed"],
+  "bh2": ["application/vnd.fujitsu.oasysprs"],
+  "bin": ["application/octet-stream"],
+  "blb": ["application/x-blorb"],
+  "blorb": ["application/x-blorb"],
+  "bmi": ["application/vnd.bmi"],
+  "bmp": ["image/bmp","image/x-ms-bmp"],
+  "book": ["application/vnd.framemaker"],
+  "box": ["application/vnd.previewsystems.box"],
+  "boz": ["application/x-bzip2"],
+  "bpk": ["application/octet-stream"],
+  "btif": ["image/prs.btif"],
+  "buffer": ["application/octet-stream"],
+  "bz": ["application/x-bzip"],
+  "bz2": ["application/x-bzip2"],
+  "c": ["text/x-c"],
+  "c11amc": ["application/vnd.cluetrust.cartomobile-config"],
+  "c11amz": ["application/vnd.cluetrust.cartomobile-config-pkg"],
+  "c4d": ["application/vnd.clonk.c4group"],
+  "c4f": ["application/vnd.clonk.c4group"],
+  "c4g": ["application/vnd.clonk.c4group"],
+  "c4p": ["application/vnd.clonk.c4group"],
+  "c4u": ["application/vnd.clonk.c4group"],
+  "cab": ["application/vnd.ms-cab-compressed"],
+  "caf": ["audio/x-caf"],
+  "cap": ["application/vnd.tcpdump.pcap"],
+  "car": ["application/vnd.curl.car"],
+  "cat": ["application/vnd.ms-pki.seccat"],
+  "cb7": ["application/x-cbr"],
+  "cba": ["application/x-cbr"],
+  "cbr": ["application/x-cbr"],
+  "cbt": ["application/x-cbr"],
+  "cbz": ["application/x-cbr"],
+  "cc": ["text/x-c"],
+  "cco": ["application/x-cocoa"],
+  "cct": ["application/x-director"],
+  "ccxml": ["application/ccxml+xml"],
+  "cdbcmsg": ["application/vnd.contact.cmsg"],
+  "cdf": ["application/x-netcdf"],
+  "cdkey": ["application/vnd.mediastation.cdkey"],
+  "cdmia": ["application/cdmi-capability"],
+  "cdmic": ["application/cdmi-container"],
+  "cdmid": ["application/cdmi-domain"],
+  "cdmio": ["application/cdmi-object"],
+  "cdmiq": ["application/cdmi-queue"],
+  "cdx": ["chemical/x-cdx"],
+  "cdxml": ["application/vnd.chemdraw+xml"],
+  "cdy": ["application/vnd.cinderella"],
+  "cer": ["application/pkix-cert"],
+  "cfs": ["application/x-cfs-compressed"],
+  "cgm": ["image/cgm"],
+  "chat": ["application/x-chat"],
+  "chm": ["application/vnd.ms-htmlhelp"],
+  "chrt": ["application/vnd.kde.kchart"],
+  "cif": ["chemical/x-cif"],
+  "cii": ["application/vnd.anser-web-certificate-issue-initiation"],
+  "cil": ["application/vnd.ms-artgalry"],
+  "cla": ["application/vnd.claymore"],
+  "class": ["application/java-vm"],
+  "clkk": ["application/vnd.crick.clicker.keyboard"],
+  "clkp": ["application/vnd.crick.clicker.palette"],
+  "clkt": ["application/vnd.crick.clicker.template"],
+  "clkw": ["application/vnd.crick.clicker.wordbank"],
+  "clkx": ["application/vnd.crick.clicker"],
+  "clp": ["application/x-msclip"],
+  "cmc": ["application/vnd.cosmocaller"],
+  "cmdf": ["chemical/x-cmdf"],
+  "cml": ["chemical/x-cml"],
+  "cmp": ["application/vnd.yellowriver-custom-menu"],
+  "cmx": ["image/x-cmx"],
+  "cod": ["application/vnd.rim.cod"],
+  "coffee": ["text/coffeescript"],
+  "com": ["application/x-msdownload"],
+  "conf": ["text/plain"],
+  "cpio": ["application/x-cpio"],
+  "cpp": ["text/x-c"],
+  "cpt": ["application/mac-compactpro"],
+  "crd": ["application/x-mscardfile"],
+  "crl": ["application/pkix-crl"],
+  "crt": ["application/x-x509-ca-cert"],
+  "crx": ["application/x-chrome-extension"],
+  "cryptonote": ["application/vnd.rig.cryptonote"],
+  "csh": ["application/x-csh"],
+  "csml": ["chemical/x-csml"],
+  "csp": ["application/vnd.commonspace"],
+  "css": ["text/css"],
+  "cst": ["application/x-director"],
+  "csv": ["text/csv"],
+  "cu": ["application/cu-seeme"],
+  "curl": ["text/vnd.curl"],
+  "cww": ["application/prs.cww"],
+  "cxt": ["application/x-director"],
+  "cxx": ["text/x-c"],
+  "dae": ["model/vnd.collada+xml"],
+  "daf": ["application/vnd.mobius.daf"],
+  "dart": ["application/vnd.dart"],
+  "dataless": ["application/vnd.fdsn.seed"],
+  "davmount": ["application/davmount+xml"],
+  "dbk": ["application/docbook+xml"],
+  "dcr": ["application/x-director"],
+  "dcurl": ["text/vnd.curl.dcurl"],
+  "dd2": ["application/vnd.oma.dd2+xml"],
+  "ddd": ["application/vnd.fujixerox.ddd"],
+  "deb": ["application/x-debian-package","application/octet-stream"],
+  "def": ["text/plain"],
+  "deploy": ["application/octet-stream"],
+  "der": ["application/x-x509-ca-cert"],
+  "dfac": ["application/vnd.dreamfactory"],
+  "dgc": ["application/x-dgc-compressed"],
+  "dic": ["text/x-c"],
+  "dir": ["application/x-director"],
+  "dis": ["application/vnd.mobius.dis"],
+  "dist": ["application/octet-stream"],
+  "distz": ["application/octet-stream"],
+  "djv": ["image/vnd.djvu"],
+  "djvu": ["image/vnd.djvu"],
+  "dll": ["application/x-msdownload","application/octet-stream"],
+  "dmg": ["application/x-apple-diskimage","application/octet-stream"],
+  "dmp": ["application/vnd.tcpdump.pcap"],
+  "dms": ["application/octet-stream"],
+  "dna": ["application/vnd.dna"],
+  "doc": ["application/msword"],
+  "docm": ["application/vnd.ms-word.document.macroenabled.12"],
+  "docx": ["application/vnd.openxmlformats-officedocument.wordprocessingml.document"],
+  "dot": ["application/msword"],
+  "dotm": ["application/vnd.ms-word.template.macroenabled.12"],
+  "dotx": ["application/vnd.openxmlformats-officedocument.wordprocessingml.template"],
+  "dp": ["application/vnd.osgi.dp"],
+  "dpg": ["application/vnd.dpgraph"],
+  "dra": ["audio/vnd.dra"],
+  "dsc": ["text/prs.lines.tag"],
+  "dssc": ["application/dssc+der"],
+  "dtb": ["application/x-dtbook+xml"],
+  "dtd": ["application/xml-dtd"],
+  "dts": ["audio/vnd.dts"],
+  "dtshd": ["audio/vnd.dts.hd"],
+  "dump": ["application/octet-stream"],
+  "dvb": ["video/vnd.dvb.file"],
+  "dvi": ["application/x-dvi"],
+  "dwf": ["model/vnd.dwf"],
+  "dwg": ["image/vnd.dwg"],
+  "dxf": ["image/vnd.dxf"],
+  "dxp": ["application/vnd.spotfire.dxp"],
+  "dxr": ["application/x-director"],
+  "ear": ["application/java-archive"],
+  "ecelp4800": ["audio/vnd.nuera.ecelp4800"],
+  "ecelp7470": ["audio/vnd.nuera.ecelp7470"],
+  "ecelp9600": ["audio/vnd.nuera.ecelp9600"],
+  "ecma": ["application/ecmascript"],
+  "edm": ["application/vnd.novadigm.edm"],
+  "edx": ["application/vnd.novadigm.edx"],
+  "efif": ["application/vnd.picsel"],
+  "ei6": ["application/vnd.pg.osasli"],
+  "elc": ["application/octet-stream"],
+  "emf": ["application/x-msmetafile"],
+  "eml": ["message/rfc822"],
+  "emma": ["application/emma+xml"],
+  "emz": ["application/x-msmetafile"],
+  "eol": ["audio/vnd.digital-winds"],
+  "eot": ["application/vnd.ms-fontobject"],
+  "eps": ["application/postscript"],
+  "epub": ["application/epub+zip"],
+  "es3": ["application/vnd.eszigno3+xml"],
+  "esa": ["application/vnd.osgi.subsystem"],
+  "esf": ["application/vnd.epson.esf"],
+  "et3": ["application/vnd.eszigno3+xml"],
+  "etx": ["text/x-setext"],
+  "eva": ["application/x-eva"],
+  "evy": ["application/x-envoy"],
+  "exe": ["application/x-msdownload","application/octet-stream","application/x-msdos-program"],
+  "exi": ["application/exi"],
+  "ext": ["application/vnd.novadigm.ext"],
+  "ez": ["application/andrew-inset"],
+  "ez2": ["application/vnd.ezpix-album"],
+  "ez3": ["application/vnd.ezpix-package"],
+  "f": ["text/x-fortran"],
+  "f4v": ["video/x-f4v"],
+  "f77": ["text/x-fortran"],
+  "f90": ["text/x-fortran"],
+  "fbs": ["image/vnd.fastbidsheet"],
+  "fcdt": ["application/vnd.adobe.formscentral.fcdt"],
+  "fcs": ["application/vnd.isac.fcs"],
+  "fdf": ["application/vnd.fdf"],
+  "fe_launch": ["application/vnd.denovo.fcselayout-link"],
+  "fg5": ["application/vnd.fujitsu.oasysgp"],
+  "fgd": ["application/x-director"],
+  "fh": ["image/x-freehand"],
+  "fh4": ["image/x-freehand"],
+  "fh5": ["image/x-freehand"],
+  "fh7": ["image/x-freehand"],
+  "fhc": ["image/x-freehand"],
+  "fig": ["application/x-xfig"],
+  "flac": ["audio/x-flac"],
+  "fli": ["video/x-fli"],
+  "flo": ["application/vnd.micrografx.flo"],
+  "flv": ["video/x-flv"],
+  "flw": ["application/vnd.kde.kivio"],
+  "flx": ["text/vnd.fmi.flexstor"],
+  "fly": ["text/vnd.fly"],
+  "fm": ["application/vnd.framemaker"],
+  "fnc": ["application/vnd.frogans.fnc"],
+  "for": ["text/x-fortran"],
+  "fpx": ["image/vnd.fpx"],
+  "frame": ["application/vnd.framemaker"],
+  "fsc": ["application/vnd.fsc.weblaunch"],
+  "fst": ["image/vnd.fst"],
+  "ftc": ["application/vnd.fluxtime.clip"],
+  "fti": ["application/vnd.anser-web-funds-transfer-initiation"],
+  "fvt": ["video/vnd.fvt"],
+  "fxp": ["application/vnd.adobe.fxp"],
+  "fxpl": ["application/vnd.adobe.fxp"],
+  "fzs": ["application/vnd.fuzzysheet"],
+  "g2w": ["application/vnd.geoplan"],
+  "g3": ["image/g3fax"],
+  "g3w": ["application/vnd.geospace"],
+  "gac": ["application/vnd.groove-account"],
+  "gam": ["application/x-tads"],
+  "gbr": ["application/rpki-ghostbusters"],
+  "gca": ["application/x-gca-compressed"],
+  "gdl": ["model/vnd.gdl"],
+  "gdoc": ["application/vnd.google-apps.document"],
+  "geo": ["application/vnd.dynageo"],
+  "gex": ["application/vnd.geometry-explorer"],
+  "ggb": ["application/vnd.geogebra.file"],
+  "ggt": ["application/vnd.geogebra.tool"],
+  "ghf": ["application/vnd.groove-help"],
+  "gif": ["image/gif"],
+  "gim": ["application/vnd.groove-identity-message"],
+  "gml": ["application/gml+xml"],
+  "gmx": ["application/vnd.gmx"],
+  "gnumeric": ["application/x-gnumeric"],
+  "gph": ["application/vnd.flographit"],
+  "gpx": ["application/gpx+xml"],
+  "gqf": ["application/vnd.grafeq"],
+  "gqs": ["application/vnd.grafeq"],
+  "gram": ["application/srgs"],
+  "gramps": ["application/x-gramps-xml"],
+  "gre": ["application/vnd.geometry-explorer"],
+  "grv": ["application/vnd.groove-injector"],
+  "grxml": ["application/srgs+xml"],
+  "gsf": ["application/x-font-ghostscript"],
+  "gsheet": ["application/vnd.google-apps.spreadsheet"],
+  "gslides": ["application/vnd.google-apps.presentation"],
+  "gtar": ["application/x-gtar"],
+  "gtm": ["application/vnd.groove-tool-message"],
+  "gtw": ["model/vnd.gtw"],
+  "gv": ["text/vnd.graphviz"],
+  "gxf": ["application/gxf"],
+  "gxt": ["application/vnd.geonext"],
+  "h": ["text/x-c"],
+  "h261": ["video/h261"],
+  "h263": ["video/h263"],
+  "h264": ["video/h264"],
+  "hal": ["application/vnd.hal+xml"],
+  "hbci": ["application/vnd.hbci"],
+  "hbs": ["text/x-handlebars-template"],
+  "hdf": ["application/x-hdf"],
+  "hh": ["text/x-c"],
+  "hjson": ["text/hjson"],
+  "hlp": ["application/winhlp"],
+  "hpgl": ["application/vnd.hp-hpgl"],
+  "hpid": ["application/vnd.hp-hpid"],
+  "hps": ["application/vnd.hp-hps"],
+  "hqx": ["application/mac-binhex40"],
+  "htc": ["text/x-component"],
+  "htke": ["application/vnd.kenameaapp"],
+  "htm": ["text/html"],
+  "html": ["text/html"],
+  "hvd": ["application/vnd.yamaha.hv-dic"],
+  "hvp": ["application/vnd.yamaha.hv-voice"],
+  "hvs": ["application/vnd.yamaha.hv-script"],
+  "i2g": ["application/vnd.intergeo"],
+  "icc": ["application/vnd.iccprofile"],
+  "ice": ["x-conference/x-cooltalk"],
+  "icm": ["application/vnd.iccprofile"],
+  "ico": ["image/x-icon"],
+  "ics": ["text/calendar"],
+  "ief": ["image/ief"],
+  "ifb": ["text/calendar"],
+  "ifm": ["application/vnd.shana.informed.formdata"],
+  "iges": ["model/iges"],
+  "igl": ["application/vnd.igloader"],
+  "igm": ["application/vnd.insors.igm"],
+  "igs": ["model/iges"],
+  "igx": ["application/vnd.micrografx.igx"],
+  "iif": ["application/vnd.shana.informed.interchange"],
+  "img": ["application/octet-stream"],
+  "imp": ["application/vnd.accpac.simply.imp"],
+  "ims": ["application/vnd.ms-ims"],
+  "in": ["text/plain"],
+  "ini": ["text/plain"],
+  "ink": ["application/inkml+xml"],
+  "inkml": ["application/inkml+xml"],
+  "install": ["application/x-install-instructions"],
+  "iota": ["application/vnd.astraea-software.iota"],
+  "ipfix": ["application/ipfix"],
+  "ipk": ["application/vnd.shana.informed.package"],
+  "irm": ["application/vnd.ibm.rights-management"],
+  "irp": ["application/vnd.irepository.package+xml"],
+  "iso": ["application/x-iso9660-image","application/octet-stream"],
+  "itp": ["application/vnd.shana.informed.formtemplate"],
+  "ivp": ["application/vnd.immervision-ivp"],
+  "ivu": ["application/vnd.immervision-ivu"],
+  "jad": ["text/vnd.sun.j2me.app-descriptor"],
+  "jade": ["text/jade"],
+  "jam": ["application/vnd.jam"],
+  "jar": ["application/java-archive"],
+  "jardiff": ["application/x-java-archive-diff"],
+  "java": ["text/x-java-source"],
+  "jisp": ["application/vnd.jisp"],
+  "jlt": ["application/vnd.hp-jlyt"],
+  "jng": ["image/x-jng"],
+  "jnlp": ["application/x-java-jnlp-file"],
+  "joda": ["application/vnd.joost.joda-archive"],
+  "jpe": ["image/jpeg"],
+  "jpeg": ["image/jpeg"],
+  "jpg": ["image/jpeg"],
+  "jpgm": ["video/jpm"],
+  "jpgv": ["video/jpeg"],
+  "jpm": ["video/jpm"],
+  "js": ["application/javascript"],
+  "json": ["application/json"],
+  "json5": ["application/json5"],
+  "jsonld": ["application/ld+json"],
+  "jsonml": ["application/jsonml+json"],
+  "jsx": ["text/jsx"],
+  "kar": ["audio/midi"],
+  "karbon": ["application/vnd.kde.karbon"],
+  "kfo": ["application/vnd.kde.kformula"],
+  "kia": ["application/vnd.kidspiration"],
+  "kml": ["application/vnd.google-earth.kml+xml"],
+  "kmz": ["application/vnd.google-earth.kmz"],
+  "kne": ["application/vnd.kinar"],
+  "knp": ["application/vnd.kinar"],
+  "kon": ["application/vnd.kde.kontour"],
+  "kpr": ["application/vnd.kde.kpresenter"],
+  "kpt": ["application/vnd.kde.kpresenter"],
+  "kpxx": ["application/vnd.ds-keypoint"],
+  "ksp": ["application/vnd.kde.kspread"],
+  "ktr": ["application/vnd.kahootz"],
+  "ktx": ["image/ktx"],
+  "ktz": ["application/vnd.kahootz"],
+  "kwd": ["application/vnd.kde.kword"],
+  "kwt": ["application/vnd.kde.kword"],
+  "lasxml": ["application/vnd.las.las+xml"],
+  "latex": ["application/x-latex"],
+  "lbd": ["application/vnd.llamagraphics.life-balance.desktop"],
+  "lbe": ["application/vnd.llamagraphics.life-balance.exchange+xml"],
+  "les": ["application/vnd.hhe.lesson-player"],
+  "less": ["text/less"],
+  "lha": ["application/x-lzh-compressed"],
+  "link66": ["application/vnd.route66.link66+xml"],
+  "list": ["text/plain"],
+  "list3820": ["application/vnd.ibm.modcap"],
+  "listafp": ["application/vnd.ibm.modcap"],
+  "litcoffee": ["text/coffeescript"],
+  "lnk": ["application/x-ms-shortcut"],
+  "log": ["text/plain"],
+  "lostxml": ["application/lost+xml"],
+  "lrf": ["application/octet-stream"],
+  "lrm": ["application/vnd.ms-lrm"],
+  "ltf": ["application/vnd.frogans.ltf"],
+  "lua": ["text/x-lua"],
+  "luac": ["application/x-lua-bytecode"],
+  "lvp": ["audio/vnd.lucent.voice"],
+  "lwp": ["application/vnd.lotus-wordpro"],
+  "lzh": ["application/x-lzh-compressed"],
+  "m13": ["application/x-msmediaview"],
+  "m14": ["application/x-msmediaview"],
+  "m1v": ["video/mpeg"],
+  "m21": ["application/mp21"],
+  "m2a": ["audio/mpeg"],
+  "m2v": ["video/mpeg"],
+  "m3a": ["audio/mpeg"],
+  "m3u": ["audio/x-mpegurl"],
+  "m3u8": ["application/vnd.apple.mpegurl"],
+  "m4a": ["audio/mp4","audio/x-m4a"],
+  "m4p": ["application/mp4"],
+  "m4u": ["video/vnd.mpegurl"],
+  "m4v": ["video/x-m4v"],
+  "ma": ["application/mathematica"],
+  "mads": ["application/mads+xml"],
+  "mag": ["application/vnd.ecowin.chart"],
+  "maker": ["application/vnd.framemaker"],
+  "man": ["text/troff"],
+  "manifest": ["text/cache-manifest"],
+  "map": ["application/json"],
+  "mar": ["application/octet-stream"],
+  "markdown": ["text/x-markdown"],
+  "mathml": ["application/mathml+xml"],
+  "mb": ["application/mathematica"],
+  "mbk": ["application/vnd.mobius.mbk"],
+  "mbox": ["application/mbox"],
+  "mc1": ["application/vnd.medcalcdata"],
+  "mcd": ["application/vnd.mcd"],
+  "mcurl": ["text/vnd.curl.mcurl"],
+  "md": ["text/x-markdown"],
+  "mdb": ["application/x-msaccess"],
+  "mdi": ["image/vnd.ms-modi"],
+  "me": ["text/troff"],
+  "mesh": ["model/mesh"],
+  "meta4": ["application/metalink4+xml"],
+  "metalink": ["application/metalink+xml"],
+  "mets": ["application/mets+xml"],
+  "mfm": ["application/vnd.mfmp"],
+  "mft": ["application/rpki-manifest"],
+  "mgp": ["application/vnd.osgeo.mapguide.package"],
+  "mgz": ["application/vnd.proteus.magazine"],
+  "mid": ["audio/midi"],
+  "midi": ["audio/midi"],
+  "mie": ["application/x-mie"],
+  "mif": ["application/vnd.mif"],
+  "mime": ["message/rfc822"],
+  "mj2": ["video/mj2"],
+  "mjp2": ["video/mj2"],
+  "mk3d": ["video/x-matroska"],
+  "mka": ["audio/x-matroska"],
+  "mkd": ["text/x-markdown"],
+  "mks": ["video/x-matroska"],
+  "mkv": ["video/x-matroska"],
+  "mlp": ["application/vnd.dolby.mlp"],
+  "mmd": ["application/vnd.chipnuts.karaoke-mmd"],
+  "mmf": ["application/vnd.smaf"],
+  "mml": ["text/mathml"],
+  "mmr": ["image/vnd.fujixerox.edmics-mmr"],
+  "mng": ["video/x-mng"],
+  "mny": ["application/x-msmoney"],
+  "mobi": ["application/x-mobipocket-ebook"],
+  "mods": ["application/mods+xml"],
+  "mov": ["video/quicktime"],
+  "movie": ["video/x-sgi-movie"],
+  "mp2": ["audio/mpeg"],
+  "mp21": ["application/mp21"],
+  "mp2a": ["audio/mpeg"],
+  "mp3": ["audio/mpeg","audio/mp3"],
+  "mp4": ["video/mp4"],
+  "mp4a": ["audio/mp4"],
+  "mp4s": ["application/mp4"],
+  "mp4v": ["video/mp4"],
+  "mpc": ["application/vnd.mophun.certificate"],
+  "mpd": ["application/dash+xml"],
+  "mpe": ["video/mpeg"],
+  "mpeg": ["video/mpeg"],
+  "mpg": ["video/mpeg"],
+  "mpg4": ["video/mp4"],
+  "mpga": ["audio/mpeg"],
+  "mpkg": ["application/vnd.apple.installer+xml"],
+  "mpm": ["application/vnd.blueice.multipass"],
+  "mpn": ["application/vnd.mophun.application"],
+  "mpp": ["application/vnd.ms-project"],
+  "mpt": ["application/vnd.ms-project"],
+  "mpy": ["application/vnd.ibm.minipay"],
+  "mqy": ["application/vnd.mobius.mqy"],
+  "mrc": ["application/marc"],
+  "mrcx": ["application/marcxml+xml"],
+  "ms": ["text/troff"],
+  "mscml": ["application/mediaservercontrol+xml"],
+  "mseed": ["application/vnd.fdsn.mseed"],
+  "mseq": ["application/vnd.mseq"],
+  "msf": ["application/vnd.epson.msf"],
+  "msh": ["model/mesh"],
+  "msi": ["application/x-msdownload","application/octet-stream"],
+  "msl": ["application/vnd.mobius.msl"],
+  "msm": ["application/octet-stream"],
+  "msp": ["application/octet-stream"],
+  "msty": ["application/vnd.muvee.style"],
+  "mts": ["model/vnd.mts"],
+  "mus": ["application/vnd.musician"],
+  "musicxml": ["application/vnd.recordare.musicxml+xml"],
+  "mvb": ["application/x-msmediaview"],
+  "mwf": ["application/vnd.mfer"],
+  "mxf": ["application/mxf"],
+  "mxl": ["application/vnd.recordare.musicxml"],
+  "mxml": ["application/xv+xml"],
+  "mxs": ["application/vnd.triscape.mxs"],
+  "mxu": ["video/vnd.mpegurl"],
+  "n-gage": ["application/vnd.nokia.n-gage.symbian.install"],
+  "n3": ["text/n3"],
+  "nb": ["application/mathematica"],
+  "nbp": ["application/vnd.wolfram.player"],
+  "nc": ["application/x-netcdf"],
+  "ncx": ["application/x-dtbncx+xml"],
+  "nfo": ["text/x-nfo"],
+  "ngdat": ["application/vnd.nokia.n-gage.data"],
+  "nitf": ["application/vnd.nitf"],
+  "nlu": ["application/vnd.neurolanguage.nlu"],
+  "nml": ["application/vnd.enliven"],
+  "nnd": ["application/vnd.noblenet-directory"],
+  "nns": ["application/vnd.noblenet-sealer"],
+  "nnw": ["application/vnd.noblenet-web"],
+  "npx": ["image/vnd.net-fpx"],
+  "nsc": ["application/x-conference"],
+  "nsf": ["application/vnd.lotus-notes"],
+  "ntf": ["application/vnd.nitf"],
+  "nzb": ["application/x-nzb"],
+  "oa2": ["application/vnd.fujitsu.oasys2"],
+  "oa3": ["application/vnd.fujitsu.oasys3"],
+  "oas": ["application/vnd.fujitsu.oasys"],
+  "obd": ["application/x-msbinder"],
+  "obj": ["application/x-tgif"],
+  "oda": ["application/oda"],
+  "odb": ["application/vnd.oasis.opendocument.database"],
+  "odc": ["application/vnd.oasis.opendocument.chart"],
+  "odf": ["application/vnd.oasis.opendocument.formula"],
+  "odft": ["application/vnd.oasis.opendocument.formula-template"],
+  "odg": ["application/vnd.oasis.opendocument.graphics"],
+  "odi": ["application/vnd.oasis.opendocument.image"],
+  "odm": ["application/vnd.oasis.opendocument.text-master"],
+  "odp": ["application/vnd.oasis.opendocument.presentation"],
+  "ods": ["application/vnd.oasis.opendocument.spreadsheet"],
+  "odt": ["application/vnd.oasis.opendocument.text"],
+  "oga": ["audio/ogg"],
+  "ogg": ["audio/ogg"],
+  "ogv": ["video/ogg"],
+  "ogx": ["application/ogg"],
+  "omdoc": ["application/omdoc+xml"],
+  "onepkg": ["application/onenote"],
+  "onetmp": ["application/onenote"],
+  "onetoc": ["application/onenote"],
+  "onetoc2": ["application/onenote"],
+  "opf": ["application/oebps-package+xml"],
+  "opml": ["text/x-opml"],
+  "oprc": ["application/vnd.palm"],
+  "org": ["application/vnd.lotus-organizer"],
+  "osf": ["application/vnd.yamaha.openscoreformat"],
+  "osfpvg": ["application/vnd.yamaha.openscoreformat.osfpvg+xml"],
+  "otc": ["application/vnd.oasis.opendocument.chart-template"],
+  "otf": ["application/x-font-otf","font/opentype"],
+  "otg": ["application/vnd.oasis.opendocument.graphics-template"],
+  "oth": ["application/vnd.oasis.opendocument.text-web"],
+  "oti": ["application/vnd.oasis.opendocument.image-template"],
+  "otp": ["application/vnd.oasis.opendocument.presentation-template"],
+  "ots": ["application/vnd.oasis.opendocument.spreadsheet-template"],
+  "ott": ["application/vnd.oasis.opendocument.text-template"],
+  "oxps": ["application/oxps"],
+  "oxt": ["application/vnd.openofficeorg.extension"],
+  "p": ["text/x-pascal"],
+  "p10": ["application/pkcs10"],
+  "p12": ["application/x-pkcs12"],
+  "p7b": ["application/x-pkcs7-certificates"],
+  "p7c": ["application/pkcs7-mime"],
+  "p7m": ["application/pkcs7-mime"],
+  "p7r": ["application/x-pkcs7-certreqresp"],
+  "p7s": ["application/pkcs7-signature"],
+  "p8": ["application/pkcs8"],
+  "pac": ["application/x-ns-proxy-autoconfig"],
+  "pas": ["text/x-pascal"],
+  "paw": ["application/vnd.pawaafile"],
+  "pbd": ["application/vnd.powerbuilder6"],
+  "pbm": ["image/x-portable-bitmap"],
+  "pcap": ["application/vnd.tcpdump.pcap"],
+  "pcf": ["application/x-font-pcf"],
+  "pcl": ["application/vnd.hp-pcl"],
+  "pclxl": ["application/vnd.hp-pclxl"],
+  "pct": ["image/x-pict"],
+  "pcurl": ["application/vnd.curl.pcurl"],
+  "pcx": ["image/x-pcx"],
+  "pdb": ["application/vnd.palm","application/x-pilot"],
+  "pde": ["text/x-processing"],
+  "pdf": ["application/pdf"],
+  "pem": ["application/x-x509-ca-cert"],
+  "pfa": ["application/x-font-type1"],
+  "pfb": ["application/x-font-type1"],
+  "pfm": ["application/x-font-type1"],
+  "pfr": ["application/font-tdpfr"],
+  "pfx": ["application/x-pkcs12"],
+  "pgm": ["image/x-portable-graymap"],
+  "pgn": ["application/x-chess-pgn"],
+  "pgp": ["application/pgp-encrypted"],
+  "php": ["application/x-httpd-php"],
+  "pic": ["image/x-pict"],
+  "pkg": ["application/octet-stream"],
+  "pki": ["application/pkixcmp"],
+  "pkipath": ["application/pkix-pkipath"],
+  "pkpass": ["application/vnd.apple.pkpass"],
+  "pl": ["application/x-perl"],
+  "plb": ["application/vnd.3gpp.pic-bw-large"],
+  "plc": ["application/vnd.mobius.plc"],
+  "plf": ["application/vnd.pocketlearn"],
+  "pls": ["application/pls+xml"],
+  "pm": ["application/x-perl"],
+  "pml": ["application/vnd.ctc-posml"],
+  "png": ["image/png"],
+  "pnm": ["image/x-portable-anymap"],
+  "portpkg": ["application/vnd.macports.portpkg"],
+  "pot": ["application/vnd.ms-powerpoint"],
+  "potm": ["application/vnd.ms-powerpoint.template.macroenabled.12"],
+  "potx": ["application/vnd.openxmlformats-officedocument.presentationml.template"],
+  "ppam": ["application/vnd.ms-powerpoint.addin.macroenabled.12"],
+  "ppd": ["application/vnd.cups-ppd"],
+  "ppm": ["image/x-portable-pixmap"],
+  "pps": ["application/vnd.ms-powerpoint"],
+  "ppsm": ["application/vnd.ms-powerpoint.slideshow.macroenabled.12"],
+  "ppsx": ["application/vnd.openxmlformats-officedocument.presentationml.slideshow"],
+  "ppt": ["application/vnd.ms-powerpoint"],
+  "pptm": ["application/vnd.ms-powerpoint.presentation.macroenabled.12"],
+  "pptx": ["application/vnd.openxmlformats-officedocument.presentationml.presentation"],
+  "pqa": ["application/vnd.palm"],
+  "prc": ["application/x-mobipocket-ebook","application/x-pilot"],
+  "pre": ["application/vnd.lotus-freelance"],
+  "prf": ["application/pics-rules"],
+  "ps": ["application/postscript"],
+  "psb": ["application/vnd.3gpp.pic-bw-small"],
+  "psd": ["image/vnd.adobe.photoshop"],
+  "psf": ["application/x-font-linux-psf"],
+  "pskcxml": ["application/pskc+xml"],
+  "ptid": ["application/vnd.pvi.ptid1"],
+  "pub": ["application/x-mspublisher"],
+  "pvb": ["application/vnd.3gpp.pic-bw-var"],
+  "pwn": ["application/vnd.3m.post-it-notes"],
+  "pya": ["audio/vnd.ms-playready.media.pya"],
+  "pyv": ["video/vnd.ms-playready.media.pyv"],
+  "qam": ["application/vnd.epson.quickanime"],
+  "qbo": ["application/vnd.intu.qbo"],
+  "qfx": ["application/vnd.intu.qfx"],
+  "qps": ["application/vnd.publishare-delta-tree"],
+  "qt": ["video/quicktime"],
+  "qwd": ["application/vnd.quark.quarkxpress"],
+  "qwt": ["application/vnd.quark.quarkxpress"],
+  "qxb": ["application/vnd.quark.quarkxpress"],
+  "qxd": ["application/vnd.quark.quarkxpress"],
+  "qxl": ["application/vnd.quark.quarkxpress"],
+  "qxt": ["application/vnd.quark.quarkxpress"],
+  "ra": ["audio/x-pn-realaudio","audio/x-realaudio"],
+  "ram": ["audio/x-pn-realaudio"],
+  "rar": ["application/x-rar-compressed"],
+  "ras": ["image/x-cmu-raster"],
+  "rcprofile": ["application/vnd.ipunplugged.rcprofile"],
+  "rdf": ["application/rdf+xml"],
+  "rdz": ["application/vnd.data-vision.rdz"],
+  "rep": ["application/vnd.businessobjects"],
+  "res": ["application/x-dtbresource+xml"],
+  "rgb": ["image/x-rgb"],
+  "rif": ["application/reginfo+xml"],
+  "rip": ["audio/vnd.rip"],
+  "ris": ["application/x-research-info-systems"],
+  "rl": ["application/resource-lists+xml"],
+  "rlc": ["image/vnd.fujixerox.edmics-rlc"],
+  "rld": ["application/resource-lists-diff+xml"],
+  "rm": ["application/vnd.rn-realmedia"],
+  "rmi": ["audio/midi"],
+  "rmp": ["audio/x-pn-realaudio-plugin"],
+  "rms": ["application/vnd.jcp.javame.midlet-rms"],
+  "rmvb": ["application/vnd.rn-realmedia-vbr"],
+  "rnc": ["application/relax-ng-compact-syntax"],
+  "rng": ["application/xml"],
+  "roa": ["application/rpki-roa"],
+  "roff": ["text/troff"],
+  "rp9": ["application/vnd.cloanto.rp9"],
+  "rpm": ["application/x-redhat-package-manager"],
+  "rpss": ["application/vnd.nokia.radio-presets"],
+  "rpst": ["application/vnd.nokia.radio-preset"],
+  "rq": ["application/sparql-query"],
+  "rs": ["application/rls-services+xml"],
+  "rsd": ["application/rsd+xml"],
+  "rss": ["application/rss+xml"],
+  "rtf": ["application/rtf","text/rtf"],
+  "rtx": ["text/richtext"],
+  "run": ["application/x-makeself"],
+  "s": ["text/x-asm"],
+  "s3m": ["audio/s3m"],
+  "saf": ["application/vnd.yamaha.smaf-audio"],
+  "sass": ["text/x-sass"],
+  "sbml": ["application/sbml+xml"],
+  "sc": ["application/vnd.ibm.secure-container"],
+  "scd": ["application/x-msschedule"],
+  "scm": ["application/vnd.lotus-screencam"],
+  "scq": ["application/scvp-cv-request"],
+  "scs": ["application/scvp-cv-response"],
+  "scss": ["text/x-scss"],
+  "scurl": ["text/vnd.curl.scurl"],
+  "sda": ["application/vnd.stardivision.draw"],
+  "sdc": ["application/vnd.stardivision.calc"],
+  "sdd": ["application/vnd.stardivision.impress"],
+  "sdkd": ["application/vnd.solent.sdkm+xml"],
+  "sdkm": ["application/vnd.solent.sdkm+xml"],
+  "sdp": ["application/sdp"],
+  "sdw": ["application/vnd.stardivision.writer"],
+  "sea": ["application/x-sea"],
+  "see": ["application/vnd.seemail"],
+  "seed": ["application/vnd.fdsn.seed"],
+  "sema": ["application/vnd.sema"],
+  "semd": ["application/vnd.semd"],
+  "semf": ["application/vnd.semf"],
+  "ser": ["application/java-serialized-object"],
+  "setpay": ["application/set-payment-initiation"],
+  "setreg": ["application/set-registration-initiation"],
+  "sfd-hdstx": ["application/vnd.hydrostatix.sof-data"],
+  "sfs": ["application/vnd.spotfire.sfs"],
+  "sfv": ["text/x-sfv"],
+  "sgi": ["image/sgi"],
+  "sgl": ["application/vnd.stardivision.writer-global"],
+  "sgm": ["text/sgml"],
+  "sgml": ["text/sgml"],
+  "sh": ["application/x-sh"],
+  "shar": ["application/x-shar"],
+  "shf": ["application/shf+xml"],
+  "shtml": ["text/html"],
+  "sid": ["image/x-mrsid-image"],
+  "sig": ["application/pgp-signature"],
+  "sil": ["audio/silk"],
+  "silo": ["model/mesh"],
+  "sis": ["application/vnd.symbian.install"],
+  "sisx": ["application/vnd.symbian.install"],
+  "sit": ["application/x-stuffit"],
+  "sitx": ["application/x-stuffitx"],
+  "skd": ["application/vnd.koan"],
+  "skm": ["application/vnd.koan"],
+  "skp": ["application/vnd.koan"],
+  "skt": ["application/vnd.koan"],
+  "sldm": ["application/vnd.ms-powerpoint.slide.macroenabled.12"],
+  "sldx": ["application/vnd.openxmlformats-officedocument.presentationml.slide"],
+  "slim": ["text/slim"],
+  "slm": ["text/slim"],
+  "slt": ["application/vnd.epson.salt"],
+  "sm": ["application/vnd.stepmania.stepchart"],
+  "smf": ["application/vnd.stardivision.math"],
+  "smi": ["application/smil+xml"],
+  "smil": ["application/smil+xml"],
+  "smv": ["video/x-smv"],
+  "smzip": ["application/vnd.stepmania.package"],
+  "snd": ["audio/basic"],
+  "snf": ["application/x-font-snf"],
+  "so": ["application/octet-stream"],
+  "spc": ["application/x-pkcs7-certificates"],
+  "spf": ["application/vnd.yamaha.smaf-phrase"],
+  "spl": ["application/x-futuresplash"],
+  "spot": ["text/vnd.in3d.spot"],
+  "spp": ["application/scvp-vp-response"],
+  "spq": ["application/scvp-vp-request"],
+  "spx": ["audio/ogg"],
+  "sql": ["application/x-sql"],
+  "src": ["application/x-wais-source"],
+  "srt": ["application/x-subrip"],
+  "sru": ["application/sru+xml"],
+  "srx": ["application/sparql-results+xml"],
+  "ssdl": ["application/ssdl+xml"],
+  "sse": ["application/vnd.kodak-descriptor"],
+  "ssf": ["application/vnd.epson.ssf"],
+  "ssml": ["application/ssml+xml"],
+  "st": ["application/vnd.sailingtracker.track"],
+  "stc": ["application/vnd.sun.xml.calc.template"],
+  "std": ["application/vnd.sun.xml.draw.template"],
+  "stf": ["application/vnd.wt.stf"],
+  "sti": ["application/vnd.sun.xml.impress.template"],
+  "stk": ["application/hyperstudio"],
+  "stl": ["application/vnd.ms-pki.stl"],
+  "str": ["application/vnd.pg.format"],
+  "stw": ["application/vnd.sun.xml.writer.template"],
+  "styl": ["text/stylus"],
+  "stylus": ["text/stylus"],
+  "sub": ["image/vnd.dvb.subtitle","text/vnd.dvb.subtitle"],
+  "sus": ["application/vnd.sus-calendar"],
+  "susp": ["application/vnd.sus-calendar"],
+  "sv4cpio": ["application/x-sv4cpio"],
+  "sv4crc": ["application/x-sv4crc"],
+  "svc": ["application/vnd.dvb.service"],
+  "svd": ["application/vnd.svd"],
+  "svg": ["image/svg+xml"],
+  "svgz": ["image/svg+xml"],
+  "swa": ["application/x-director"],
+  "swf": ["application/x-shockwave-flash"],
+  "swi": ["application/vnd.aristanetworks.swi"],
+  "sxc": ["application/vnd.sun.xml.calc"],
+  "sxd": ["application/vnd.sun.xml.draw"],
+  "sxg": ["application/vnd.sun.xml.writer.global"],
+  "sxi": ["application/vnd.sun.xml.impress"],
+  "sxm": ["application/vnd.sun.xml.math"],
+  "sxw": ["application/vnd.sun.xml.writer"],
+  "t": ["text/troff"],
+  "t3": ["application/x-t3vm-image"],
+  "taglet": ["application/vnd.mynfc"],
+  "tao": ["application/vnd.tao.intent-module-archive"],
+  "tar": ["application/x-tar"],
+  "tcap": ["application/vnd.3gpp2.tcap"],
+  "tcl": ["application/x-tcl"],
+  "teacher": ["application/vnd.smart.teacher"],
+  "tei": ["application/tei+xml"],
+  "teicorpus": ["application/tei+xml"],
+  "tex": ["application/x-tex"],
+  "texi": ["application/x-texinfo"],
+  "texinfo": ["application/x-texinfo"],
+  "text": ["text/plain"],
+  "tfi": ["application/thraud+xml"],
+  "tfm": ["application/x-tex-tfm"],
+  "tga": ["image/x-tga"],
+  "thmx": ["application/vnd.ms-officetheme"],
+  "tif": ["image/tiff"],
+  "tiff": ["image/tiff"],
+  "tk": ["application/x-tcl"],
+  "tmo": ["application/vnd.tmobile-livetv"],
+  "torrent": ["application/x-bittorrent"],
+  "tpl": ["application/vnd.groove-tool-template"],
+  "tpt": ["application/vnd.trid.tpt"],
+  "tr": ["text/troff"],
+  "tra": ["application/vnd.trueapp"],
+  "trm": ["application/x-msterminal"],
+  "ts": ["video/mp2t"],
+  "tsd": ["application/timestamped-data"],
+  "tsv": ["text/tab-separated-values"],
+  "ttc": ["application/x-font-ttf"],
+  "ttf": ["application/x-font-ttf"],
+  "ttl": ["text/turtle"],
+  "twd": ["application/vnd.simtech-mindmapper"],
+  "twds": ["application/vnd.simtech-mindmapper"],
+  "txd": ["application/vnd.genomatix.tuxedo"],
+  "txf": ["application/vnd.mobius.txf"],
+  "txt": ["text/plain"],
+  "u32": ["application/x-authorware-bin"],
+  "udeb": ["application/x-debian-package"],
+  "ufd": ["application/vnd.ufdl"],
+  "ufdl": ["application/vnd.ufdl"],
+  "ulx": ["application/x-glulx"],
+  "umj": ["application/vnd.umajin"],
+  "unityweb": ["application/vnd.unity"],
+  "uoml": ["application/vnd.uoml+xml"],
+  "uri": ["text/uri-list"],
+  "uris": ["text/uri-list"],
+  "urls": ["text/uri-list"],
+  "ustar": ["application/x-ustar"],
+  "utz": ["application/vnd.uiq.theme"],
+  "uu": ["text/x-uuencode"],
+  "uva": ["audio/vnd.dece.audio"],
+  "uvd": ["application/vnd.dece.data"],
+  "uvf": ["application/vnd.dece.data"],
+  "uvg": ["image/vnd.dece.graphic"],
+  "uvh": ["video/vnd.dece.hd"],
+  "uvi": ["image/vnd.dece.graphic"],
+  "uvm": ["video/vnd.dece.mobile"],
+  "uvp": ["video/vnd.dece.pd"],
+  "uvs": ["video/vnd.dece.sd"],
+  "uvt": ["application/vnd.dece.ttml+xml"],
+  "uvu": ["video/vnd.uvvu.mp4"],
+  "uvv": ["video/vnd.dece.video"],
+  "uvva": ["audio/vnd.dece.audio"],
+  "uvvd": ["application/vnd.dece.data"],
+  "uvvf": ["application/vnd.dece.data"],
+  "uvvg": ["image/vnd.dece.graphic"],
+  "uvvh": ["video/vnd.dece.hd"],
+  "uvvi": ["image/vnd.dece.graphic"],
+  "uvvm": ["video/vnd.dece.mobile"],
+  "uvvp": ["video/vnd.dece.pd"],
+  "uvvs": ["video/vnd.dece.sd"],
+  "uvvt": ["application/vnd.dece.ttml+xml"],
+  "uvvu": ["video/vnd.uvvu.mp4"],
+  "uvvv": ["video/vnd.dece.video"],
+  "uvvx": ["application/vnd.dece.unspecified"],
+  "uvvz": ["application/vnd.dece.zip"],
+  "uvx": ["application/vnd.dece.unspecified"],
+  "uvz": ["application/vnd.dece.zip"],
+  "vcard": ["text/vcard"],
+  "vcd": ["application/x-cdlink"],
+  "vcf": ["text/x-vcard"],
+  "vcg": ["application/vnd.groove-vcard"],
+  "vcs": ["text/x-vcalendar"],
+  "vcx": ["application/vnd.vcx"],
+  "vis": ["application/vnd.visionary"],
+  "viv": ["video/vnd.vivo"],
+  "vob": ["video/x-ms-vob"],
+  "vor": ["application/vnd.stardivision.writer"],
+  "vox": ["application/x-authorware-bin"],
+  "vrml": ["model/vrml"],
+  "vsd": ["application/vnd.visio"],
+  "vsf": ["application/vnd.vsf"],
+  "vss": ["application/vnd.visio"],
+  "vst": ["application/vnd.visio"],
+  "vsw": ["application/vnd.visio"],
+  "vtt": ["text/vtt"],
+  "vtu": ["model/vnd.vtu"],
+  "vxml": ["application/voicexml+xml"],
+  "w3d": ["application/x-director"],
+  "wad": ["application/x-doom"],
+  "war": ["application/java-archive"],
+  "wav": ["audio/x-wav","audio/wav","audio/wave"],
+  "wax": ["audio/x-ms-wax"],
+  "wbmp": ["image/vnd.wap.wbmp"],
+  "wbs": ["application/vnd.criticaltools.wbs+xml"],
+  "wbxml": ["application/vnd.wap.wbxml"],
+  "wcm": ["application/vnd.ms-works"],
+  "wdb": ["application/vnd.ms-works"],
+  "wdp": ["image/vnd.ms-photo"],
+  "weba": ["audio/webm"],
+  "webapp": ["application/x-web-app-manifest+json"],
+  "webm": ["video/webm"],
+  "webmanifest": ["application/manifest+json"],
+  "webp": ["image/webp"],
+  "wg": ["application/vnd.pmi.widget"],
+  "wgt": ["application/widget"],
+  "wks": ["application/vnd.ms-works"],
+  "wm": ["video/x-ms-wm"],
+  "wma": ["audio/x-ms-wma"],
+  "wmd": ["application/x-ms-wmd"],
+  "wmf": ["application/x-msmetafile"],
+  "wml": ["text/vnd.wap.wml"],
+  "wmlc": ["application/vnd.wap.wmlc"],
+  "wmls": ["text/vnd.wap.wmlscript"],
+  "wmlsc": ["application/vnd.wap.wmlscriptc"],
+  "wmv": ["video/x-ms-wmv"],
+  "wmx": ["video/x-ms-wmx"],
+  "wmz": ["application/x-ms-wmz","application/x-msmetafile"],
+  "woff": ["application/font-woff"],
+  "woff2": ["application/font-woff2"],
+  "wpd": ["application/vnd.wordperfect"],
+  "wpl": ["application/vnd.ms-wpl"],
+  "wps": ["application/vnd.ms-works"],
+  "wqd": ["application/vnd.wqd"],
+  "wri": ["application/x-mswrite"],
+  "wrl": ["model/vrml"],
+  "wsdl": ["application/wsdl+xml"],
+  "wspolicy": ["application/wspolicy+xml"],
+  "wtb": ["application/vnd.webturbo"],
+  "wvx": ["video/x-ms-wvx"],
+  "x32": ["application/x-authorware-bin"],
+  "x3d": ["model/x3d+xml"],
+  "x3db": ["model/x3d+binary"],
+  "x3dbz": ["model/x3d+binary"],
+  "x3dv": ["model/x3d+vrml"],
+  "x3dvz": ["model/x3d+vrml"],
+  "x3dz": ["model/x3d+xml"],
+  "xaml": ["application/xaml+xml"],
+  "xap": ["application/x-silverlight-app"],
+  "xar": ["application/vnd.xara"],
+  "xbap": ["application/x-ms-xbap"],
+  "xbd": ["application/vnd.fujixerox.docuworks.binder"],
+  "xbm": ["image/x-xbitmap"],
+  "xdf": ["application/xcap-diff+xml"],
+  "xdm": ["application/vnd.syncml.dm+xml"],
+  "xdp": ["application/vnd.adobe.xdp+xml"],
+  "xdssc": ["application/dssc+xml"],
+  "xdw": ["application/vnd.fujixerox.docuworks"],
+  "xenc": ["application/xenc+xml"],
+  "xer": ["application/patch-ops-error+xml"],
+  "xfdf": ["application/vnd.adobe.xfdf"],
+  "xfdl": ["application/vnd.xfdl"],
+  "xht": ["application/xhtml+xml"],
+  "xhtml": ["application/xhtml+xml"],
+  "xhvml": ["application/xv+xml"],
+  "xif": ["image/vnd.xiff"],
+  "xla": ["application/vnd.ms-excel"],
+  "xlam": ["application/vnd.ms-excel.addin.macroenabled.12"],
+  "xlc": ["application/vnd.ms-excel"],
+  "xlf": ["application/x-xliff+xml"],
+  "xlm": ["application/vnd.ms-excel"],
+  "xls": ["application/vnd.ms-excel"],
+  "xlsb": ["application/vnd.ms-excel.sheet.binary.macroenabled.12"],
+  "xlsm": ["application/vnd.ms-excel.sheet.macroenabled.12"],
+  "xlsx": ["application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"],
+  "xlt": ["application/vnd.ms-excel"],
+  "xltm": ["application/vnd.ms-excel.template.macroenabled.12"],
+  "xltx": ["application/vnd.openxmlformats-officedocument.spreadsheetml.template"],
+  "xlw": ["application/vnd.ms-excel"],
+  "xm": ["audio/xm"],
+  "xml": ["application/xml","text/xml"],
+  "xo": ["application/vnd.olpc-sugar"],
+  "xop": ["application/xop+xml"],
+  "xpi": ["application/x-xpinstall"],
+  "xpl": ["application/xproc+xml"],
+  "xpm": ["image/x-xpixmap"],
+  "xpr": ["application/vnd.is-xpr"],
+  "xps": ["application/vnd.ms-xpsdocument"],
+  "xpw": ["application/vnd.intercon.formnet"],
+  "xpx": ["application/vnd.intercon.formnet"],
+  "xsd": ["application/xml"],
+  "xsl": ["application/xml"],
+  "xslt": ["application/xslt+xml"],
+  "xsm": ["application/vnd.syncml+xml"],
+  "xspf": ["application/xspf+xml"],
+  "xul": ["application/vnd.mozilla.xul+xml"],
+  "xvm": ["application/xv+xml"],
+  "xvml": ["application/xv+xml"],
+  "xwd": ["image/x-xwindowdump"],
+  "xyz": ["chemical/x-xyz"],
+  "xz": ["application/x-xz"],
+  "yaml": ["text/yaml"],
+  "yang": ["application/yang"],
+  "yin": ["application/yin+xml"],
+  "yml": ["text/yaml"],
+  "ymp": ["text/x-suse-ymp"],
+  "z1": ["application/x-zmachine"],
+  "z2": ["application/x-zmachine"],
+  "z3": ["application/x-zmachine"],
+  "z4": ["application/x-zmachine"],
+  "z5": ["application/x-zmachine"],
+  "z6": ["application/x-zmachine"],
+  "z7": ["application/x-zmachine"],
+  "z8": ["application/x-zmachine"],
+  "zaz": ["application/vnd.zzazz.deck+xml"],
+  "zip": ["application/zip"],
+  "zir": ["application/vnd.zul"],
+  "zirz": ["application/vnd.zul"],
+  "zmm": ["application/vnd.handheld-entertainment+xml"]
+}
diff --git a/index.js b/index.js
index 551031f69..73e20205f 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,7 @@
 /*!
  * mime-db
  * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015 Douglas Christopher Wilson
  * MIT Licensed
  */
 
@@ -9,3 +10,7 @@
  */
 
 module.exports = require('./db.json')
+
+Object.defineProperty(module.exports, 'extension', {
+  value: require('./db-ext.json')
+})
diff --git a/scripts/build.js b/scripts/build.js
index 96064c4dc..b61ed1344 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -1,17 +1,18 @@
 
 var db = {}
+var ext = {}
 
 // initialize with all the IANA types
-addData(db, require('../src/iana-types.json'), 'iana')
+addData(db, ext, require('../src/iana-types.json'), 'iana')
 
 // add the mime extensions from Apache
-addData(db, require('../src/apache-types.json'), 'apache')
+addData(db, ext, require('../src/apache-types.json'), 'apache')
 
 // add the mime extensions from nginx
-addData(db, require('../src/nginx-types.json'), 'nginx')
+addData(db, ext, require('../src/nginx-types.json'), 'nginx')
 
 // now add all our custom data
-addData(db, require('../src/custom-types.json'))
+addData(db, ext, require('../src/custom-types.json'))
 
 // finally, all custom suffix defaults
 var mime = require('../src/custom-suffix.json')
@@ -30,11 +31,12 @@ Object.keys(mime).forEach(function (suffix) {
 
 // write db
 require('./lib/write-db')('db.json', db)
+require('./lib/write-db-ext')('db-ext.json', ext)
 
 /**
  * Add mime data to the db, marked as a given source.
  */
-function addData (db, mime, source) {
+function addData (db, ext, mime, source) {
   Object.keys(mime).forEach(function (key) {
     var data = mime[key]
     var type = key.toLowerCase()
@@ -44,11 +46,31 @@ function addData (db, mime, source) {
     setValue(obj, 'charset', data.charset)
     setValue(obj, 'compressible', data.compressible)
 
-    // append new extensions
-    appendExtensions(obj, data.extensions)
+    if (data.extensions) {
+      // append new extensions
+      appendExtensions(obj, data.extensions)
+
+      // add extensions to extension lookup
+      addExtensionData(ext, type, data.extensions)
+    }
   })
 }
 
+/**
+ * Add extension data to the extension db.
+ */
+function addExtensionData (db, type, extensions) {
+  for (var i = 0; i < extensions.length; i++) {
+    var extension = extensions[i]
+    var list = ext[extension] || (ext[extension] = [])
+
+    // add type to the extension entry
+    if (list.indexOf(type) === -1) {
+      list.push(type)
+    }
+  }
+}
+
 /**
  * Append an extension to an object.
  */
@@ -66,10 +88,6 @@ function appendExtension (obj, extension) {
  * Append extensions to an object.
  */
 function appendExtensions (obj, extensions) {
-  if (!extensions) {
-    return
-  }
-
   for (var i = 0; i < extensions.length; i++) {
     var extension = extensions[i]
 
diff --git a/scripts/lib/write-db-ext.js b/scripts/lib/write-db-ext.js
new file mode 100644
index 000000000..fc594b319
--- /dev/null
+++ b/scripts/lib/write-db-ext.js
@@ -0,0 +1,26 @@
+
+var fs = require('fs')
+
+module.exports = function writeDatabaseSync (fileName, obj) {
+  var fd = fs.openSync(fileName, 'w')
+  var keys = Object.keys(obj).sort()
+
+  fs.writeSync(fd, '{\n')
+
+  keys.forEach(function (key, i, arr) {
+    var end = endLine.apply(this, arguments)
+    var val = obj[key]
+    fs.writeSync(fd, '  ' + JSON.stringify(key) + ': ' + JSON.stringify(val) + end)
+  })
+
+  fs.writeSync(fd, '}\n')
+
+  fs.closeSync(fd)
+}
+
+function endLine (key, i, arr) {
+  var comma = i + 1 === arr.length
+    ? ''
+    : ','
+  return comma + '\n'
+}
diff --git a/test/index.js b/test/index.js
index cdac0a2fd..0b22285f5 100644
--- a/test/index.js
+++ b/test/index.js
@@ -59,4 +59,17 @@ describe('mime-db', function () {
     assert.equal(db['text/plain'].extensions[0], 'txt')
     assert.equal(db['video/x-matroska'].extensions[0], 'mkv')
   })
+
+  describe('.extension', function () {
+    it('should have json and js entries', function () {
+      assert.deepEqual(['application/json'], db.extension.json)
+      assert.deepEqual(['application/javascript'], db.extension.js)
+    })
+
+    it('should not have empty entries', function () {
+      assert(Object.keys(db.extension).every(function (ext) {
+        return Array.isArray(db.extension[ext])
+      }))
+    })
+  })
 })

From b33110c5cb0b8ce9b227be2216fc79c7be6a4d26 Mon Sep 17 00:00:00 2001
From: Deep Chakraborty <chakraborty.deep013@gmail.com>
Date: Wed, 21 Feb 2024 11:39:46 +0530
Subject: [PATCH 2/4] ES6 compatible

---
 index.mjs    |  5 +++++
 package.json | 16 +++++++++++++---
 2 files changed, 18 insertions(+), 3 deletions(-)
 create mode 100644 index.mjs

diff --git a/index.mjs b/index.mjs
new file mode 100644
index 000000000..cd1e02483
--- /dev/null
+++ b/index.mjs
@@ -0,0 +1,5 @@
+import db from './db.json';
+import dbExt from './db-ext.json';
+
+export default db;
+export const extension = dbExt;
diff --git a/package.json b/package.json
index 8956d3c92..2e28a87a0 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,20 @@
 {
   "name": "mime-db",
   "description": "Media Type Database",
-  "version": "1.52.0",
+  "version": "1.52.1",
+  "main": "index.js",
+  "module": "index.mjs",
+  "exports": {
+    ".": {
+      "require": "./index.js",
+      "import": "./index.mjs"
+    }
+  },
   "contributors": [
     "Douglas Christopher Wilson <doug@somethingdoug.com>",
     "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)",
-    "Robert Kieffer <robert@broofa.com> (http://github.com/broofa)"
+    "Robert Kieffer <robert@broofa.com> (http://github.com/broofa)",
+    "Deep Chakraborty <chakraborty.deep013@gmail.com> (http://github.com/DK013)"
   ],
   "license": "MIT",
   "keywords": [
@@ -38,7 +47,8 @@
     "LICENSE",
     "README.md",
     "db.json",
-    "index.js"
+    "index.js",
+    "index.mjs"
   ],
   "engines": {
     "node": ">= 0.6"

From 879218ec6c1ce8e14c96d247e5126833d89a50ba Mon Sep 17 00:00:00 2001
From: Deep Chakraborty <chakraborty.deep013@gmail.com>
Date: Wed, 21 Feb 2024 11:41:50 +0530
Subject: [PATCH 3/4] build update

---
 db-ext.json | 221 ++++++++++++++++++++++++++++++++++++++++++++--------
 index.mjs   |   8 +-
 2 files changed, 192 insertions(+), 37 deletions(-)

diff --git a/db-ext.json b/db-ext.json
index d0e4c9541..d1d9bb255 100644
--- a/db-ext.json
+++ b/db-ext.json
@@ -1,25 +1,29 @@
 {
   "123": ["application/vnd.lotus-1-2-3"],
+  "1km": ["application/vnd.1000minds.decision-model+xml"],
   "3dml": ["text/vnd.in3d.3dml"],
   "3ds": ["image/x-3ds"],
   "3g2": ["video/3gpp2"],
   "3gp": ["video/3gpp"],
   "3gpp": ["video/3gpp","audio/3gpp"],
+  "3mf": ["model/3mf"],
   "7z": ["application/x-7z-compressed"],
   "aab": ["application/x-authorware-bin"],
-  "aac": ["audio/x-aac"],
+  "aac": ["audio/aac","audio/x-aac"],
   "aam": ["application/x-authorware-map"],
   "aas": ["application/x-authorware-seg"],
   "abw": ["application/x-abiword"],
-  "ac": ["application/pkix-attr-cert"],
+  "ac": ["application/vnd.nokia.n-gage.ac+xml","application/pkix-attr-cert"],
   "acc": ["application/vnd.americandynamics.acc"],
   "ace": ["application/x-ace-compressed"],
   "acu": ["application/vnd.acucobol"],
   "acutc": ["application/vnd.acucorp"],
   "adp": ["audio/adpcm"],
+  "adts": ["audio/aac"],
   "aep": ["application/vnd.audiograph"],
   "afm": ["application/x-font-type1"],
   "afp": ["application/vnd.ibm.modcap"],
+  "age": ["application/vnd.age"],
   "ahead": ["application/vnd.ahead.space"],
   "ai": ["application/postscript"],
   "aif": ["audio/x-aiff"],
@@ -28,12 +32,20 @@
   "air": ["application/vnd.adobe.air-application-installer-package+zip"],
   "ait": ["application/vnd.dvb.ait"],
   "ami": ["application/vnd.amiga.ami"],
+  "aml": ["application/automationml-aml+xml"],
+  "amlx": ["application/automationml-amlx+zip"],
+  "amr": ["audio/amr"],
   "apk": ["application/vnd.android.package-archive"],
+  "apng": ["image/apng"],
   "appcache": ["text/cache-manifest"],
+  "appinstaller": ["application/appinstaller"],
   "application": ["application/x-ms-application"],
+  "appx": ["application/appx"],
+  "appxbundle": ["application/appxbundle"],
   "apr": ["application/vnd.lotus-approach"],
   "arc": ["application/x-freearc"],
-  "asc": ["application/pgp-signature"],
+  "arj": ["application/x-arj"],
+  "asc": ["application/pgp-signature","application/pgp-keys"],
   "asf": ["video/x-ms-asf"],
   "asm": ["text/x-asm"],
   "aso": ["application/vnd.accpac.simply.aso"],
@@ -41,14 +53,20 @@
   "atc": ["application/vnd.acucorp"],
   "atom": ["application/atom+xml"],
   "atomcat": ["application/atomcat+xml"],
+  "atomdeleted": ["application/atomdeleted+xml"],
   "atomsvc": ["application/atomsvc+xml"],
   "atx": ["application/vnd.antix.game-component"],
   "au": ["audio/basic"],
+  "avci": ["image/avci"],
+  "avcs": ["image/avcs"],
   "avi": ["video/x-msvideo"],
+  "avif": ["image/avif"],
   "aw": ["application/applixware"],
   "azf": ["application/vnd.airzip.filesecure.azf"],
   "azs": ["application/vnd.airzip.filesecure.azs"],
+  "azv": ["image/vnd.airzip.accelerator.azv"],
   "azw": ["application/vnd.amazon.ebook"],
+  "b16": ["image/vnd.pco.b16"],
   "bat": ["application/x-msdownload"],
   "bcpio": ["application/x-bcpio"],
   "bdf": ["application/x-font-bdf"],
@@ -60,11 +78,14 @@
   "blb": ["application/x-blorb"],
   "blorb": ["application/x-blorb"],
   "bmi": ["application/vnd.bmi"],
+  "bmml": ["application/vnd.balsamiq.bmml+xml"],
   "bmp": ["image/bmp","image/x-ms-bmp"],
   "book": ["application/vnd.framemaker"],
   "box": ["application/vnd.previewsystems.box"],
   "boz": ["application/x-bzip2"],
   "bpk": ["application/octet-stream"],
+  "bsp": ["model/vnd.valve.source.compiled-map"],
+  "btf": ["image/prs.btif"],
   "btif": ["image/prs.btif"],
   "buffer": ["application/octet-stream"],
   "bz": ["application/x-bzip"],
@@ -93,6 +114,7 @@
   "ccxml": ["application/ccxml+xml"],
   "cdbcmsg": ["application/vnd.contact.cmsg"],
   "cdf": ["application/x-netcdf"],
+  "cdfx": ["application/cdfx+xml"],
   "cdkey": ["application/vnd.mediastation.cdkey"],
   "cdmia": ["application/cdmi-capability"],
   "cdmic": ["application/cdmi-container"],
@@ -111,8 +133,10 @@
   "cif": ["chemical/x-cif"],
   "cii": ["application/vnd.anser-web-certificate-issue-initiation"],
   "cil": ["application/vnd.ms-artgalry"],
+  "cjs": ["application/node"],
   "cla": ["application/vnd.claymore"],
   "class": ["application/java-vm"],
+  "cld": ["model/vnd.cld"],
   "clkk": ["application/vnd.crick.clicker.keyboard"],
   "clkp": ["application/vnd.crick.clicker.palette"],
   "clkt": ["application/vnd.crick.clicker.template"],
@@ -129,6 +153,7 @@
   "com": ["application/x-msdownload"],
   "conf": ["text/plain"],
   "cpio": ["application/x-cpio"],
+  "cpl": ["application/cpl+xml"],
   "cpp": ["text/x-c"],
   "cpt": ["application/mac-compactpro"],
   "crd": ["application/x-mscardfile"],
@@ -137,6 +162,7 @@
   "crx": ["application/x-chrome-extension"],
   "cryptonote": ["application/vnd.rig.cryptonote"],
   "csh": ["application/x-csh"],
+  "csl": ["application/vnd.citationstyles.style+xml"],
   "csml": ["chemical/x-csml"],
   "csp": ["application/vnd.commonspace"],
   "css": ["text/css"],
@@ -144,6 +170,7 @@
   "csv": ["text/csv"],
   "cu": ["application/cu-seeme"],
   "curl": ["text/vnd.curl"],
+  "cwl": ["application/cwl"],
   "cww": ["application/prs.cww"],
   "cxt": ["application/x-director"],
   "cxx": ["text/x-c"],
@@ -152,20 +179,25 @@
   "dart": ["application/vnd.dart"],
   "dataless": ["application/vnd.fdsn.seed"],
   "davmount": ["application/davmount+xml"],
+  "dbf": ["application/vnd.dbf"],
   "dbk": ["application/docbook+xml"],
   "dcr": ["application/x-director"],
   "dcurl": ["text/vnd.curl.dcurl"],
   "dd2": ["application/vnd.oma.dd2+xml"],
   "ddd": ["application/vnd.fujixerox.ddd"],
+  "ddf": ["application/vnd.syncml.dmddf+xml"],
+  "dds": ["image/vnd.ms-dds"],
   "deb": ["application/x-debian-package","application/octet-stream"],
   "def": ["text/plain"],
   "deploy": ["application/octet-stream"],
   "der": ["application/x-x509-ca-cert"],
   "dfac": ["application/vnd.dreamfactory"],
   "dgc": ["application/x-dgc-compressed"],
+  "dib": ["image/bmp"],
   "dic": ["text/x-c"],
   "dir": ["application/x-director"],
   "dis": ["application/vnd.mobius.dis"],
+  "disposition-notification": ["message/disposition-notification"],
   "dist": ["application/octet-stream"],
   "distz": ["application/octet-stream"],
   "djv": ["image/vnd.djvu"],
@@ -183,7 +215,9 @@
   "dotx": ["application/vnd.openxmlformats-officedocument.wordprocessingml.template"],
   "dp": ["application/vnd.osgi.dp"],
   "dpg": ["application/vnd.dpgraph"],
+  "dpx": ["image/dpx"],
   "dra": ["audio/vnd.dra"],
+  "drle": ["image/dicom-rle"],
   "dsc": ["text/prs.lines.tag"],
   "dssc": ["application/dssc+der"],
   "dtb": ["application/x-dtbook+xml"],
@@ -193,6 +227,7 @@
   "dump": ["application/octet-stream"],
   "dvb": ["video/vnd.dvb.file"],
   "dvi": ["application/x-dvi"],
+  "dwd": ["application/atsc-dwd+xml"],
   "dwf": ["model/vnd.dwf"],
   "dwg": ["image/vnd.dwg"],
   "dxf": ["image/vnd.dxf"],
@@ -208,9 +243,10 @@
   "efif": ["application/vnd.picsel"],
   "ei6": ["application/vnd.pg.osasli"],
   "elc": ["application/octet-stream"],
-  "emf": ["application/x-msmetafile"],
+  "emf": ["image/emf","application/x-msmetafile"],
   "eml": ["message/rfc822"],
   "emma": ["application/emma+xml"],
+  "emotionml": ["application/emotionml+xml"],
   "emz": ["application/x-msmetafile"],
   "eol": ["audio/vnd.digital-winds"],
   "eot": ["application/vnd.ms-fontobject"],
@@ -225,6 +261,8 @@
   "evy": ["application/x-envoy"],
   "exe": ["application/x-msdownload","application/octet-stream","application/x-msdos-program"],
   "exi": ["application/exi"],
+  "exp": ["application/express"],
+  "exr": ["image/aces"],
   "ext": ["application/vnd.novadigm.ext"],
   "ez": ["application/andrew-inset"],
   "ez2": ["application/vnd.ezpix-album"],
@@ -236,7 +274,8 @@
   "fbs": ["image/vnd.fastbidsheet"],
   "fcdt": ["application/vnd.adobe.formscentral.fcdt"],
   "fcs": ["application/vnd.isac.fcs"],
-  "fdf": ["application/vnd.fdf"],
+  "fdf": ["application/fdf","application/vnd.fdf"],
+  "fdt": ["application/fdt+xml"],
   "fe_launch": ["application/vnd.denovo.fcselayout-link"],
   "fg5": ["application/vnd.fujitsu.oasysgp"],
   "fgd": ["application/x-director"],
@@ -246,6 +285,7 @@
   "fh7": ["image/x-freehand"],
   "fhc": ["image/x-freehand"],
   "fig": ["application/x-xfig"],
+  "fits": ["image/fits"],
   "flac": ["audio/x-flac"],
   "fli": ["video/x-fli"],
   "flo": ["application/vnd.micrografx.flo"],
@@ -255,6 +295,7 @@
   "fly": ["text/vnd.fly"],
   "fm": ["application/vnd.framemaker"],
   "fnc": ["application/vnd.frogans.fnc"],
+  "fo": ["application/vnd.software602.filler.form+xml"],
   "for": ["text/x-fortran"],
   "fpx": ["image/vnd.fpx"],
   "frame": ["application/vnd.framemaker"],
@@ -275,13 +316,17 @@
   "gca": ["application/x-gca-compressed"],
   "gdl": ["model/vnd.gdl"],
   "gdoc": ["application/vnd.google-apps.document"],
+  "ged": ["text/vnd.familysearch.gedcom"],
   "geo": ["application/vnd.dynageo"],
+  "geojson": ["application/geo+json"],
   "gex": ["application/vnd.geometry-explorer"],
   "ggb": ["application/vnd.geogebra.file"],
   "ggt": ["application/vnd.geogebra.tool"],
   "ghf": ["application/vnd.groove-help"],
   "gif": ["image/gif"],
   "gim": ["application/vnd.groove-identity-message"],
+  "glb": ["model/gltf-binary"],
+  "gltf": ["model/gltf+json"],
   "gml": ["application/gml+xml"],
   "gmx": ["application/vnd.gmx"],
   "gnumeric": ["application/x-gnumeric"],
@@ -303,6 +348,7 @@
   "gv": ["text/vnd.graphviz"],
   "gxf": ["application/gxf"],
   "gxt": ["application/vnd.geonext"],
+  "gz": ["application/gzip"],
   "h": ["text/x-c"],
   "h261": ["video/h261"],
   "h263": ["video/h263"],
@@ -310,14 +356,22 @@
   "hal": ["application/vnd.hal+xml"],
   "hbci": ["application/vnd.hbci"],
   "hbs": ["text/x-handlebars-template"],
+  "hdd": ["application/x-virtualbox-hdd"],
   "hdf": ["application/x-hdf"],
+  "heic": ["image/heic"],
+  "heics": ["image/heic-sequence"],
+  "heif": ["image/heif"],
+  "heifs": ["image/heif-sequence"],
+  "hej2": ["image/hej2k"],
+  "held": ["application/atsc-held+xml"],
   "hh": ["text/x-c"],
-  "hjson": ["text/hjson"],
+  "hjson": ["application/hjson"],
   "hlp": ["application/winhlp"],
   "hpgl": ["application/vnd.hp-hpgl"],
   "hpid": ["application/vnd.hp-hpid"],
   "hps": ["application/vnd.hp-hps"],
   "hqx": ["application/mac-binhex40"],
+  "hsj2": ["image/hsj2"],
   "htc": ["text/x-component"],
   "htke": ["application/vnd.kenameaapp"],
   "htm": ["text/html"],
@@ -329,7 +383,7 @@
   "icc": ["application/vnd.iccprofile"],
   "ice": ["x-conference/x-cooltalk"],
   "icm": ["application/vnd.iccprofile"],
-  "ico": ["image/x-icon"],
+  "ico": ["image/vnd.microsoft.icon","image/x-icon"],
   "ics": ["text/calendar"],
   "ief": ["image/ief"],
   "ifb": ["text/calendar"],
@@ -355,6 +409,7 @@
   "irp": ["application/vnd.irepository.package+xml"],
   "iso": ["application/x-iso9660-image","application/octet-stream"],
   "itp": ["application/vnd.shana.informed.formtemplate"],
+  "its": ["application/its+xml"],
   "ivp": ["application/vnd.immervision-ivp"],
   "ivu": ["application/vnd.immervision-ivu"],
   "jad": ["text/vnd.sun.j2me.app-descriptor"],
@@ -363,25 +418,42 @@
   "jar": ["application/java-archive"],
   "jardiff": ["application/x-java-archive-diff"],
   "java": ["text/x-java-source"],
+  "jhc": ["image/jphc"],
   "jisp": ["application/vnd.jisp"],
+  "jls": ["image/jls"],
   "jlt": ["application/vnd.hp-jlyt"],
   "jng": ["image/x-jng"],
   "jnlp": ["application/x-java-jnlp-file"],
   "joda": ["application/vnd.joost.joda-archive"],
+  "jp2": ["image/jp2"],
   "jpe": ["image/jpeg"],
   "jpeg": ["image/jpeg"],
+  "jpf": ["image/jpx"],
   "jpg": ["image/jpeg"],
-  "jpgm": ["video/jpm"],
+  "jpg2": ["image/jp2"],
+  "jpgm": ["image/jpm","video/jpm"],
   "jpgv": ["video/jpeg"],
-  "jpm": ["video/jpm"],
-  "js": ["application/javascript"],
+  "jph": ["image/jph"],
+  "jpm": ["image/jpm","video/jpm"],
+  "jpx": ["image/jpx"],
+  "js": ["text/javascript","application/javascript"],
   "json": ["application/json"],
   "json5": ["application/json5"],
   "jsonld": ["application/ld+json"],
   "jsonml": ["application/jsonml+json"],
   "jsx": ["text/jsx"],
+  "jt": ["model/jt"],
+  "jxr": ["image/jxr"],
+  "jxra": ["image/jxra"],
+  "jxrs": ["image/jxrs"],
+  "jxs": ["image/jxs"],
+  "jxsc": ["image/jxsc"],
+  "jxsi": ["image/jxsi"],
+  "jxss": ["image/jxss"],
   "kar": ["audio/midi"],
   "karbon": ["application/vnd.kde.karbon"],
+  "kdbx": ["application/x-keepass2"],
+  "key": ["application/vnd.apple.keynote","application/x-iwork-keynote-sffkey"],
   "kfo": ["application/vnd.kde.kformula"],
   "kia": ["application/vnd.kidspiration"],
   "kml": ["application/vnd.google-earth.kml+xml"],
@@ -395,6 +467,7 @@
   "ksp": ["application/vnd.kde.kspread"],
   "ktr": ["application/vnd.kahootz"],
   "ktx": ["image/ktx"],
+  "ktx2": ["image/ktx2"],
   "ktz": ["application/vnd.kahootz"],
   "kwd": ["application/vnd.kde.kword"],
   "kwt": ["application/vnd.kde.kword"],
@@ -404,6 +477,7 @@
   "lbe": ["application/vnd.llamagraphics.life-balance.exchange+xml"],
   "les": ["application/vnd.hhe.lesson-player"],
   "less": ["text/less"],
+  "lgr": ["application/lgr+xml"],
   "lha": ["application/x-lzh-compressed"],
   "link66": ["application/vnd.route66.link66+xml"],
   "list": ["text/plain"],
@@ -432,17 +506,19 @@
   "m3u8": ["application/vnd.apple.mpegurl"],
   "m4a": ["audio/mp4","audio/x-m4a"],
   "m4p": ["application/mp4"],
+  "m4s": ["video/iso.segment"],
   "m4u": ["video/vnd.mpegurl"],
   "m4v": ["video/x-m4v"],
   "ma": ["application/mathematica"],
   "mads": ["application/mads+xml"],
+  "maei": ["application/mmt-aei+xml"],
   "mag": ["application/vnd.ecowin.chart"],
   "maker": ["application/vnd.framemaker"],
   "man": ["text/troff"],
   "manifest": ["text/cache-manifest"],
   "map": ["application/json"],
   "mar": ["application/octet-stream"],
-  "markdown": ["text/x-markdown"],
+  "markdown": ["text/markdown"],
   "mathml": ["application/mathml+xml"],
   "mb": ["application/mathematica"],
   "mbk": ["application/vnd.mobius.mbk"],
@@ -450,9 +526,10 @@
   "mc1": ["application/vnd.medcalcdata"],
   "mcd": ["application/vnd.mcd"],
   "mcurl": ["text/vnd.curl.mcurl"],
-  "md": ["text/x-markdown"],
+  "md": ["text/markdown"],
   "mdb": ["application/x-msaccess"],
   "mdi": ["image/vnd.ms-modi"],
+  "mdx": ["text/mdx"],
   "me": ["text/troff"],
   "mesh": ["model/mesh"],
   "meta4": ["application/metalink4+xml"],
@@ -469,6 +546,7 @@
   "mime": ["message/rfc822"],
   "mj2": ["video/mj2"],
   "mjp2": ["video/mj2"],
+  "mjs": ["text/javascript"],
   "mk3d": ["video/x-matroska"],
   "mka": ["audio/x-matroska"],
   "mkd": ["text/x-markdown"],
@@ -489,7 +567,7 @@
   "mp21": ["application/mp21"],
   "mp2a": ["audio/mpeg"],
   "mp3": ["audio/mpeg","audio/mp3"],
-  "mp4": ["video/mp4"],
+  "mp4": ["application/mp4","video/mp4"],
   "mp4a": ["audio/mp4"],
   "mp4s": ["application/mp4"],
   "mp4v": ["video/mp4"],
@@ -497,13 +575,14 @@
   "mpd": ["application/dash+xml"],
   "mpe": ["video/mpeg"],
   "mpeg": ["video/mpeg"],
+  "mpf": ["application/media-policy-dataset+xml"],
   "mpg": ["video/mpeg"],
-  "mpg4": ["video/mp4"],
+  "mpg4": ["application/mp4","video/mp4"],
   "mpga": ["audio/mpeg"],
   "mpkg": ["application/vnd.apple.installer+xml"],
   "mpm": ["application/vnd.blueice.multipass"],
   "mpn": ["application/vnd.mophun.application"],
-  "mpp": ["application/vnd.ms-project"],
+  "mpp": ["application/dash-patch+xml","application/vnd.ms-project"],
   "mpt": ["application/vnd.ms-project"],
   "mpy": ["application/vnd.ibm.minipay"],
   "mqy": ["application/vnd.mobius.mqy"],
@@ -514,19 +593,26 @@
   "mseed": ["application/vnd.fdsn.mseed"],
   "mseq": ["application/vnd.mseq"],
   "msf": ["application/vnd.epson.msf"],
+  "msg": ["application/vnd.ms-outlook"],
   "msh": ["model/mesh"],
   "msi": ["application/x-msdownload","application/octet-stream"],
+  "msix": ["application/msix"],
+  "msixbundle": ["application/msixbundle"],
   "msl": ["application/vnd.mobius.msl"],
   "msm": ["application/octet-stream"],
   "msp": ["application/octet-stream"],
   "msty": ["application/vnd.muvee.style"],
+  "mtl": ["model/mtl"],
   "mts": ["model/vnd.mts"],
   "mus": ["application/vnd.musician"],
+  "musd": ["application/mmt-usd+xml"],
   "musicxml": ["application/vnd.recordare.musicxml+xml"],
   "mvb": ["application/x-msmediaview"],
+  "mvt": ["application/vnd.mapbox-vector-tile"],
   "mwf": ["application/vnd.mfer"],
   "mxf": ["application/mxf"],
   "mxl": ["application/vnd.recordare.musicxml"],
+  "mxmf": ["audio/mobile-xmf"],
   "mxml": ["application/xv+xml"],
   "mxs": ["application/vnd.triscape.mxs"],
   "mxu": ["video/vnd.mpegurl"],
@@ -545,15 +631,19 @@
   "nns": ["application/vnd.noblenet-sealer"],
   "nnw": ["application/vnd.noblenet-web"],
   "npx": ["image/vnd.net-fpx"],
+  "nq": ["application/n-quads"],
   "nsc": ["application/x-conference"],
   "nsf": ["application/vnd.lotus-notes"],
+  "nt": ["application/n-triples"],
   "ntf": ["application/vnd.nitf"],
+  "numbers": ["application/vnd.apple.numbers","application/x-iwork-numbers-sffnumbers"],
   "nzb": ["application/x-nzb"],
   "oa2": ["application/vnd.fujitsu.oasys2"],
   "oa3": ["application/vnd.fujitsu.oasys3"],
   "oas": ["application/vnd.fujitsu.oasys"],
   "obd": ["application/x-msbinder"],
-  "obj": ["application/x-tgif"],
+  "obgx": ["application/vnd.openblox.game+xml"],
+  "obj": ["model/obj","application/x-tgif"],
   "oda": ["application/oda"],
   "odb": ["application/vnd.oasis.opendocument.database"],
   "odc": ["application/vnd.oasis.opendocument.chart"],
@@ -566,6 +656,7 @@
   "ods": ["application/vnd.oasis.opendocument.spreadsheet"],
   "odt": ["application/vnd.oasis.opendocument.text"],
   "oga": ["audio/ogg"],
+  "ogex": ["model/vnd.opengex"],
   "ogg": ["audio/ogg"],
   "ogv": ["video/ogg"],
   "ogx": ["application/ogg"],
@@ -577,17 +668,22 @@
   "opf": ["application/oebps-package+xml"],
   "opml": ["text/x-opml"],
   "oprc": ["application/vnd.palm"],
-  "org": ["application/vnd.lotus-organizer"],
+  "opus": ["audio/ogg"],
+  "org": ["application/vnd.lotus-organizer","text/x-org"],
   "osf": ["application/vnd.yamaha.openscoreformat"],
   "osfpvg": ["application/vnd.yamaha.openscoreformat.osfpvg+xml"],
+  "osm": ["application/vnd.openstreetmap.data+xml"],
   "otc": ["application/vnd.oasis.opendocument.chart-template"],
-  "otf": ["application/x-font-otf","font/opentype"],
+  "otf": ["font/otf"],
   "otg": ["application/vnd.oasis.opendocument.graphics-template"],
   "oth": ["application/vnd.oasis.opendocument.text-web"],
   "oti": ["application/vnd.oasis.opendocument.image-template"],
   "otp": ["application/vnd.oasis.opendocument.presentation-template"],
   "ots": ["application/vnd.oasis.opendocument.spreadsheet-template"],
   "ott": ["application/vnd.oasis.opendocument.text-template"],
+  "ova": ["application/x-virtualbox-ova"],
+  "ovf": ["application/x-virtualbox-ovf"],
+  "owl": ["application/rdf+xml"],
   "oxps": ["application/oxps"],
   "oxt": ["application/vnd.openofficeorg.extension"],
   "p": ["text/x-pascal"],
@@ -600,6 +696,7 @@
   "p7s": ["application/pkcs7-signature"],
   "p8": ["application/pkcs8"],
   "pac": ["application/x-ns-proxy-autoconfig"],
+  "pages": ["application/vnd.apple.pages","application/x-iwork-pages-sffpages"],
   "pas": ["text/x-pascal"],
   "paw": ["application/vnd.pawaafile"],
   "pbd": ["application/vnd.powerbuilder6"],
@@ -610,7 +707,7 @@
   "pclxl": ["application/vnd.hp-pclxl"],
   "pct": ["image/x-pict"],
   "pcurl": ["application/vnd.curl.pcurl"],
-  "pcx": ["image/x-pcx"],
+  "pcx": ["image/vnd.zbrush.pcx","image/x-pcx"],
   "pdb": ["application/vnd.palm","application/x-pilot"],
   "pde": ["text/x-processing"],
   "pdf": ["application/pdf"],
@@ -652,19 +749,23 @@
   "pptm": ["application/vnd.ms-powerpoint.presentation.macroenabled.12"],
   "pptx": ["application/vnd.openxmlformats-officedocument.presentationml.presentation"],
   "pqa": ["application/vnd.palm"],
-  "prc": ["application/x-mobipocket-ebook","application/x-pilot"],
+  "prc": ["model/prc","application/x-mobipocket-ebook","application/x-pilot"],
   "pre": ["application/vnd.lotus-freelance"],
   "prf": ["application/pics-rules"],
+  "provx": ["application/provenance+xml"],
   "ps": ["application/postscript"],
   "psb": ["application/vnd.3gpp.pic-bw-small"],
   "psd": ["image/vnd.adobe.photoshop"],
   "psf": ["application/x-font-linux-psf"],
   "pskcxml": ["application/pskc+xml"],
+  "pti": ["image/prs.pti"],
   "ptid": ["application/vnd.pvi.ptid1"],
   "pub": ["application/x-mspublisher"],
   "pvb": ["application/vnd.3gpp.pic-bw-var"],
   "pwn": ["application/vnd.3m.post-it-notes"],
   "pya": ["audio/vnd.ms-playready.media.pya"],
+  "pyo": ["model/vnd.pytha.pyox"],
+  "pyox": ["model/vnd.pytha.pyox"],
   "pyv": ["video/vnd.ms-playready.media.pyv"],
   "qam": ["application/vnd.epson.quickanime"],
   "qbo": ["application/vnd.intu.qbo"],
@@ -679,11 +780,14 @@
   "qxt": ["application/vnd.quark.quarkxpress"],
   "ra": ["audio/x-pn-realaudio","audio/x-realaudio"],
   "ram": ["audio/x-pn-realaudio"],
-  "rar": ["application/x-rar-compressed"],
+  "raml": ["application/raml+yaml"],
+  "rapd": ["application/route-apd+xml"],
+  "rar": ["application/vnd.rar","application/x-rar-compressed"],
   "ras": ["image/x-cmu-raster"],
   "rcprofile": ["application/vnd.ipunplugged.rcprofile"],
   "rdf": ["application/rdf+xml"],
   "rdz": ["application/vnd.data-vision.rdz"],
+  "relo": ["application/p2p-overlay+xml"],
   "rep": ["application/vnd.businessobjects"],
   "res": ["application/x-dtbresource+xml"],
   "rgb": ["image/x-rgb"],
@@ -708,11 +812,14 @@
   "rpst": ["application/vnd.nokia.radio-preset"],
   "rq": ["application/sparql-query"],
   "rs": ["application/rls-services+xml"],
+  "rsat": ["application/atsc-rsat+xml"],
   "rsd": ["application/rsd+xml"],
+  "rsheet": ["application/urc-ressheet+xml"],
   "rss": ["application/rss+xml"],
   "rtf": ["application/rtf","text/rtf"],
   "rtx": ["text/richtext"],
   "run": ["application/x-makeself"],
+  "rusd": ["application/route-usd+xml"],
   "s": ["text/x-asm"],
   "s3m": ["audio/s3m"],
   "saf": ["application/vnd.yamaha.smaf-audio"],
@@ -738,6 +845,8 @@
   "sema": ["application/vnd.sema"],
   "semd": ["application/vnd.semd"],
   "semf": ["application/vnd.semf"],
+  "senmlx": ["application/senml+xml"],
+  "sensmlx": ["application/sensml+xml"],
   "ser": ["application/java-serialized-object"],
   "setpay": ["application/set-payment-initiation"],
   "setreg": ["application/set-registration-initiation"],
@@ -750,9 +859,11 @@
   "sgml": ["text/sgml"],
   "sh": ["application/x-sh"],
   "shar": ["application/x-shar"],
+  "shex": ["text/shex"],
   "shf": ["application/shf+xml"],
   "shtml": ["text/html"],
   "sid": ["image/x-mrsid-image"],
+  "sieve": ["application/sieve"],
   "sig": ["application/pgp-signature"],
   "sil": ["audio/silk"],
   "silo": ["model/mesh"],
@@ -760,6 +871,7 @@
   "sisx": ["application/vnd.symbian.install"],
   "sit": ["application/x-stuffit"],
   "sitx": ["application/x-stuffitx"],
+  "siv": ["application/sieve"],
   "skd": ["application/vnd.koan"],
   "skm": ["application/vnd.koan"],
   "skp": ["application/vnd.koan"],
@@ -768,6 +880,7 @@
   "sldx": ["application/vnd.openxmlformats-officedocument.presentationml.slide"],
   "slim": ["text/slim"],
   "slm": ["text/slim"],
+  "sls": ["application/route-s-tsid+xml"],
   "slt": ["application/vnd.epson.salt"],
   "sm": ["application/vnd.stepmania.stepchart"],
   "smf": ["application/vnd.stardivision.math"],
@@ -779,13 +892,14 @@
   "snf": ["application/x-font-snf"],
   "so": ["application/octet-stream"],
   "spc": ["application/x-pkcs7-certificates"],
+  "spdx": ["text/spdx"],
   "spf": ["application/vnd.yamaha.smaf-phrase"],
   "spl": ["application/x-futuresplash"],
   "spot": ["text/vnd.in3d.spot"],
   "spp": ["application/scvp-vp-response"],
   "spq": ["application/scvp-vp-request"],
   "spx": ["audio/ogg"],
-  "sql": ["application/x-sql"],
+  "sql": ["application/sql","application/x-sql"],
   "src": ["application/x-wais-source"],
   "srt": ["application/x-subrip"],
   "sru": ["application/sru+xml"],
@@ -800,7 +914,10 @@
   "stf": ["application/vnd.wt.stf"],
   "sti": ["application/vnd.sun.xml.impress.template"],
   "stk": ["application/hyperstudio"],
-  "stl": ["application/vnd.ms-pki.stl"],
+  "stl": ["model/stl","application/vnd.ms-pki.stl"],
+  "stpx": ["model/step+xml"],
+  "stpxz": ["model/step-xml+zip"],
+  "stpz": ["model/step+zip"],
   "str": ["application/vnd.pg.format"],
   "stw": ["application/vnd.sun.xml.writer.template"],
   "styl": ["text/stylus"],
@@ -817,6 +934,7 @@
   "swa": ["application/x-director"],
   "swf": ["application/x-shockwave-flash"],
   "swi": ["application/vnd.aristanetworks.swi"],
+  "swidtag": ["application/swid+xml"],
   "sxc": ["application/vnd.sun.xml.calc"],
   "sxd": ["application/vnd.sun.xml.draw"],
   "sxg": ["application/vnd.sun.xml.writer.global"],
@@ -825,11 +943,14 @@
   "sxw": ["application/vnd.sun.xml.writer"],
   "t": ["text/troff"],
   "t3": ["application/x-t3vm-image"],
+  "t38": ["image/t38"],
   "taglet": ["application/vnd.mynfc"],
   "tao": ["application/vnd.tao.intent-module-archive"],
+  "tap": ["image/vnd.tencent.tap"],
   "tar": ["application/x-tar"],
   "tcap": ["application/vnd.3gpp2.tcap"],
   "tcl": ["application/x-tcl"],
+  "td": ["application/urc-targetdesc+xml"],
   "teacher": ["application/vnd.smart.teacher"],
   "tei": ["application/tei+xml"],
   "teicorpus": ["application/tei+xml"],
@@ -839,40 +960,53 @@
   "text": ["text/plain"],
   "tfi": ["application/thraud+xml"],
   "tfm": ["application/x-tex-tfm"],
+  "tfx": ["image/tiff-fx"],
   "tga": ["image/x-tga"],
   "thmx": ["application/vnd.ms-officetheme"],
   "tif": ["image/tiff"],
   "tiff": ["image/tiff"],
   "tk": ["application/x-tcl"],
   "tmo": ["application/vnd.tmobile-livetv"],
+  "toml": ["application/toml"],
   "torrent": ["application/x-bittorrent"],
   "tpl": ["application/vnd.groove-tool-template"],
   "tpt": ["application/vnd.trid.tpt"],
   "tr": ["text/troff"],
   "tra": ["application/vnd.trueapp"],
+  "trig": ["application/trig"],
   "trm": ["application/x-msterminal"],
   "ts": ["video/mp2t"],
   "tsd": ["application/timestamped-data"],
   "tsv": ["text/tab-separated-values"],
-  "ttc": ["application/x-font-ttf"],
-  "ttf": ["application/x-font-ttf"],
+  "ttc": ["font/collection"],
+  "ttf": ["font/ttf"],
   "ttl": ["text/turtle"],
+  "ttml": ["application/ttml+xml"],
   "twd": ["application/vnd.simtech-mindmapper"],
   "twds": ["application/vnd.simtech-mindmapper"],
   "txd": ["application/vnd.genomatix.tuxedo"],
   "txf": ["application/vnd.mobius.txf"],
   "txt": ["text/plain"],
   "u32": ["application/x-authorware-bin"],
+  "u3d": ["model/u3d"],
+  "u8dsn": ["message/global-delivery-status"],
+  "u8hdr": ["message/global-headers"],
+  "u8mdn": ["message/global-disposition-notification"],
+  "u8msg": ["message/global"],
+  "ubj": ["application/ubjson"],
   "udeb": ["application/x-debian-package"],
   "ufd": ["application/vnd.ufdl"],
   "ufdl": ["application/vnd.ufdl"],
   "ulx": ["application/x-glulx"],
   "umj": ["application/vnd.umajin"],
   "unityweb": ["application/vnd.unity"],
+  "uo": ["application/vnd.uoml+xml"],
   "uoml": ["application/vnd.uoml+xml"],
   "uri": ["text/uri-list"],
   "uris": ["text/uri-list"],
   "urls": ["text/uri-list"],
+  "usda": ["model/vnd.usda"],
+  "usdz": ["model/vnd.usdz+zip"],
   "ustar": ["application/x-ustar"],
   "utz": ["application/vnd.uiq.theme"],
   "uu": ["text/x-uuencode"],
@@ -904,14 +1038,20 @@
   "uvvz": ["application/vnd.dece.zip"],
   "uvx": ["application/vnd.dece.unspecified"],
   "uvz": ["application/vnd.dece.zip"],
+  "vbox": ["application/x-virtualbox-vbox"],
+  "vbox-extpack": ["application/x-virtualbox-vbox-extpack"],
   "vcard": ["text/vcard"],
   "vcd": ["application/x-cdlink"],
   "vcf": ["text/x-vcard"],
   "vcg": ["application/vnd.groove-vcard"],
   "vcs": ["text/x-vcalendar"],
   "vcx": ["application/vnd.vcx"],
+  "vdi": ["application/x-virtualbox-vdi"],
+  "vds": ["model/vnd.sap.vds"],
+  "vhd": ["application/x-virtualbox-vhd"],
   "vis": ["application/vnd.visionary"],
   "viv": ["video/vnd.vivo"],
+  "vmdk": ["application/x-virtualbox-vmdk"],
   "vob": ["video/x-ms-vob"],
   "vor": ["application/vnd.stardivision.writer"],
   "vox": ["application/x-authorware-bin"],
@@ -921,12 +1061,15 @@
   "vss": ["application/vnd.visio"],
   "vst": ["application/vnd.visio"],
   "vsw": ["application/vnd.visio"],
+  "vtf": ["image/vnd.valve.source.texture"],
   "vtt": ["text/vtt"],
   "vtu": ["model/vnd.vtu"],
   "vxml": ["application/voicexml+xml"],
   "w3d": ["application/x-director"],
   "wad": ["application/x-doom"],
+  "wadl": ["application/vnd.sun.wadl+xml"],
   "war": ["application/java-archive"],
+  "wasm": ["application/wasm"],
   "wav": ["audio/x-wav","audio/wav","audio/wave"],
   "wax": ["audio/x-ms-wax"],
   "wbmp": ["image/vnd.wap.wbmp"],
@@ -941,12 +1084,14 @@
   "webmanifest": ["application/manifest+json"],
   "webp": ["image/webp"],
   "wg": ["application/vnd.pmi.widget"],
+  "wgsl": ["text/wgsl"],
   "wgt": ["application/widget"],
+  "wif": ["application/watcherinfo+xml"],
   "wks": ["application/vnd.ms-works"],
   "wm": ["video/x-ms-wm"],
   "wma": ["audio/x-ms-wma"],
   "wmd": ["application/x-ms-wmd"],
-  "wmf": ["application/x-msmetafile"],
+  "wmf": ["image/wmf","application/x-msmetafile"],
   "wml": ["text/vnd.wap.wml"],
   "wmlc": ["application/vnd.wap.wmlc"],
   "wmls": ["text/vnd.wap.wmlscript"],
@@ -954,48 +1099,56 @@
   "wmv": ["video/x-ms-wmv"],
   "wmx": ["video/x-ms-wmx"],
   "wmz": ["application/x-ms-wmz","application/x-msmetafile"],
-  "woff": ["application/font-woff"],
-  "woff2": ["application/font-woff2"],
+  "woff": ["font/woff"],
+  "woff2": ["font/woff2"],
   "wpd": ["application/vnd.wordperfect"],
   "wpl": ["application/vnd.ms-wpl"],
   "wps": ["application/vnd.ms-works"],
   "wqd": ["application/vnd.wqd"],
   "wri": ["application/x-mswrite"],
   "wrl": ["model/vrml"],
+  "wsc": ["message/vnd.wfa.wsc"],
   "wsdl": ["application/wsdl+xml"],
   "wspolicy": ["application/wspolicy+xml"],
   "wtb": ["application/vnd.webturbo"],
   "wvx": ["video/x-ms-wvx"],
   "x32": ["application/x-authorware-bin"],
   "x3d": ["model/x3d+xml"],
-  "x3db": ["model/x3d+binary"],
+  "x3db": ["model/x3d+fastinfoset","model/x3d+binary"],
   "x3dbz": ["model/x3d+binary"],
-  "x3dv": ["model/x3d+vrml"],
+  "x3dv": ["model/x3d-vrml","model/x3d+vrml"],
   "x3dvz": ["model/x3d+vrml"],
   "x3dz": ["model/x3d+xml"],
+  "x_b": ["model/vnd.parasolid.transmit.binary"],
+  "x_t": ["model/vnd.parasolid.transmit.text"],
   "xaml": ["application/xaml+xml"],
   "xap": ["application/x-silverlight-app"],
   "xar": ["application/vnd.xara"],
+  "xav": ["application/xcap-att+xml"],
   "xbap": ["application/x-ms-xbap"],
   "xbd": ["application/vnd.fujixerox.docuworks.binder"],
   "xbm": ["image/x-xbitmap"],
+  "xca": ["application/xcap-caps+xml"],
+  "xcs": ["application/calendar+xml"],
   "xdf": ["application/xcap-diff+xml"],
   "xdm": ["application/vnd.syncml.dm+xml"],
   "xdp": ["application/vnd.adobe.xdp+xml"],
   "xdssc": ["application/dssc+xml"],
   "xdw": ["application/vnd.fujixerox.docuworks"],
+  "xel": ["application/xcap-el+xml"],
   "xenc": ["application/xenc+xml"],
   "xer": ["application/patch-ops-error+xml"],
-  "xfdf": ["application/vnd.adobe.xfdf"],
+  "xfdf": ["application/xfdf","application/vnd.adobe.xfdf"],
   "xfdl": ["application/vnd.xfdl"],
   "xht": ["application/xhtml+xml"],
+  "xhtm": ["application/vnd.pwg-xhtml-print+xml"],
   "xhtml": ["application/xhtml+xml"],
   "xhvml": ["application/xv+xml"],
   "xif": ["image/vnd.xiff"],
   "xla": ["application/vnd.ms-excel"],
   "xlam": ["application/vnd.ms-excel.addin.macroenabled.12"],
   "xlc": ["application/vnd.ms-excel"],
-  "xlf": ["application/x-xliff+xml"],
+  "xlf": ["application/xliff+xml","application/x-xliff+xml"],
   "xlm": ["application/vnd.ms-excel"],
   "xls": ["application/vnd.ms-excel"],
   "xlsb": ["application/vnd.ms-excel.sheet.binary.macroenabled.12"],
@@ -1007,6 +1160,7 @@
   "xlw": ["application/vnd.ms-excel"],
   "xm": ["audio/xm"],
   "xml": ["application/xml","text/xml"],
+  "xns": ["application/xcap-ns+xml"],
   "xo": ["application/vnd.olpc-sugar"],
   "xop": ["application/xop+xml"],
   "xpi": ["application/x-xpinstall"],
@@ -1017,7 +1171,8 @@
   "xpw": ["application/vnd.intercon.formnet"],
   "xpx": ["application/vnd.intercon.formnet"],
   "xsd": ["application/xml"],
-  "xsl": ["application/xml"],
+  "xsf": ["application/prs.xsf+xml"],
+  "xsl": ["application/xslt+xml","application/xml"],
   "xslt": ["application/xslt+xml"],
   "xsm": ["application/vnd.syncml+xml"],
   "xspf": ["application/xspf+xml"],
diff --git a/index.mjs b/index.mjs
index cd1e02483..f4d33d605 100644
--- a/index.mjs
+++ b/index.mjs
@@ -1,5 +1,5 @@
-import db from './db.json';
-import dbExt from './db-ext.json';
+import db from './db.json'
+import dbExt from './db-ext.json'
 
-export default db;
-export const extension = dbExt;
+export default db
+export const extension = dbExt

From 07490055f69e85719e834ba86c422650ebcbeaee Mon Sep 17 00:00:00 2001
From: Deep Chakraborty <chakraborty.deep013@gmail.com>
Date: Wed, 21 Feb 2024 12:05:37 +0530
Subject: [PATCH 4/4] files update

---
 HISTORY.md                 | 4 ++--
 package.json               | 1 +
 scripts/version-history.js | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/HISTORY.md b/HISTORY.md
index 9edbecdc3..e1d0305a8 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,5 @@
-unreleased
-==========
+1.52.1 / 2024-02-21
+===================
 
   * Add extension `.sql` to `application/sql`
   * Add extensions `.aac` and `.adts` to `audio/aac`
diff --git a/package.json b/package.json
index 2e28a87a0..fecb9ef66 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     "LICENSE",
     "README.md",
     "db.json",
+    "db-ext.json",
     "index.js",
     "index.mjs"
   ],
diff --git a/scripts/version-history.js b/scripts/version-history.js
index b8a2b0e88..f65e05f8d 100644
--- a/scripts/version-history.js
+++ b/scripts/version-history.js
@@ -4,7 +4,7 @@ var fs = require('fs')
 var path = require('path')
 
 var HISTORY_FILE_PATH = path.join(__dirname, '..', 'HISTORY.md')
-var MD_HEADER_REGEXP = /^====*$/
+var MD_HEADER_REGEXP = /^===================*$/
 var VERSION = process.env.npm_package_version
 var VERSION_PLACEHOLDER_REGEXP = /^(?:unreleased|(\d+\.)+x)$/