{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{- |
   Module      : Text.Pandoc.MIME
   Copyright   : Copyright (C) 2011-2019 John MacFarlane
   License     : GNU GPL, version 2 or above

   Maintainer  : John MacFarlane <jgm@berkeley.edu>
   Stability   : alpha
   Portability : portable

Mime type lookup.
-}
module Text.Pandoc.MIME ( MimeType, getMimeType, getMimeTypeDef,
                          extensionFromMimeType, mediaCategory ) where
import Prelude
import Data.List (isPrefixOf, isSuffixOf)
import qualified Data.Map as M
import qualified Data.Text as T
import Data.Maybe (fromMaybe, listToMaybe)
import Data.Tuple (swap)
import System.FilePath

type MimeType = T.Text

-- | Determine mime type appropriate for file path.
getMimeType :: FilePath -> Maybe MimeType
getMimeType fp
  -- ODT
  | fp == "layout-cache" =
        Just "application/binary"
  | "Formula-" `isPrefixOf` fp && "/" `isSuffixOf` fp =
        Just "application/vnd.oasis.opendocument.formula"
  -- generic
  | otherwise = M.lookup (T.toLower $ T.drop 1 $ T.pack $ takeExtension fp) mimeTypes

-- | Determime mime type appropriate for file path, defaulting to
-- “application/octet-stream” if nothing else fits.
getMimeTypeDef :: FilePath -> MimeType
getMimeTypeDef = fromMaybe "application/octet-stream" . getMimeType

extensionFromMimeType :: MimeType -> Maybe T.Text
extensionFromMimeType mimetype =
  M.lookup (T.takeWhile (/=';') mimetype) reverseMimeTypes
  -- note:  we just look up the basic mime type, dropping the content-encoding etc.

-- | Determine general media category for file path, e.g.
--
-- prop> mediaCategory "foo.jpg" = Just "image"
mediaCategory :: FilePath -> Maybe T.Text
mediaCategory fp = getMimeType fp >>= listToMaybe . T.splitOn "/"

reverseMimeTypes :: M.Map MimeType T.Text
reverseMimeTypes = M.fromList $ map swap mimeTypesList

mimeTypes :: M.Map T.Text MimeType
mimeTypes = M.fromList mimeTypesList

-- | Collection of common mime types.
-- Except for first entry, list borrowed from
-- <https://github.com/Happstack/happstack-server/blob/master/src/Happstack/Server/FileServe/BuildingBlocks.hs happstack-server>
mimeTypesList :: [(T.Text, MimeType)]
mimeTypesList =
           [("cpt","image/x-corelphotopaint")
           ,("gz","application/x-gzip")
           ,("cabal","application/x-cabal")
           ,("%","application/x-trash")
           ,("323","text/h323")
           ,("3gp","video/3gpp")
           ,("7z","application/x-7z-compressed")
           ,("abw","application/x-abiword")
           ,("ai","application/postscript")
           ,("aif","audio/x-aiff")
           ,("aifc","audio/x-aiff")
           ,("aiff","audio/x-aiff")
           ,("alc","chemical/x-alchemy")
           ,("art","image/x-jg")
           ,("asc","text/plain")
           ,("asf","video/x-ms-asf")
           ,("asn","chemical/x-ncbi-asn1")
           ,("aso","chemical/x-ncbi-asn1-binary")
           ,("asx","video/x-ms-asf")
           ,("atom","application/atom")
           ,("atomcat","application/atomcat+xml")
           ,("atomsrv","application/atomserv+xml")
           ,("au","audio/basic")
           ,("avi","video/x-msvideo")
           ,("b","chemical/x-molconn-Z")
           ,("bak","application/x-trash")
           ,("bat","application/x-msdos-program")
           ,("bcpio","application/x-bcpio")
           ,("bib","text/x-bibtex")
           ,("bin","application/octet-stream")
           ,("bmp","image/x-ms-bmp")
           ,("boo","text/x-boo")
           ,("book","application/x-maker")
           ,("bsd","chemical/x-crossfire")
           ,("c","text/x-csrc")
           ,("c++","text/x-c++src")
           ,("c3d","chemical/x-chem3d")
           ,("cab","application/x-cab")
           ,("cac","chemical/x-cache")
           ,("cache","chemical/x-cache")
           ,("cap","application/cap")
           ,("cascii","chemical/x-cactvs-binary")
           ,("cat","application/vnd.ms-pki.seccat")
           ,("cbin","chemical/x-cactvs-binary")
           ,("cbr","application/x-cbr")
           ,("cbz","application/x-cbz")
           ,("cc","text/x-c++src")
           ,("cdf","application/x-cdf")
           ,("cdr","image/x-coreldraw")
           ,("cdt","image/x-coreldrawtemplate")
           ,("cdx","chemical/x-cdx")
           ,("cdy","application/vnd.cinderella")
           ,("cef","chemical/x-cxf")
           ,("cer","chemical/x-cerius")
           ,("chm","chemical/x-chemdraw")
           ,("chrt","application/x-kchart")
           ,("cif","chemical/x-cif")
           ,("class","application/java-vm")
           ,("cls","text/x-tex")
           ,("cmdf","chemical/x-cmdf")
           ,("cml","chemical/x-cml")
           ,("cod","application/vnd.rim.cod")
           ,("com","application/x-msdos-program")
           ,("cpa","chemical/x-compass")
           ,("cpio","application/x-cpio")
           ,("cpp","text/x-c++src")
           ,("cpt","application/mac-compactpro")
           ,("crl","application/x-pkcs7-crl")
           ,("crt","application/x-x509-ca-cert")
           ,("csf","chemical/x-cache-csf")
           ,("csh","application/x-csh")
           ,("csm","chemical/x-csml")
           ,("csml","chemical/x-csml")
           ,("css","text/css")
           ,("csv","text/csv")
           ,("ctab","chemical/x-cactvs-binary")
           ,("ctx","chemical/x-ctx")
           ,("cu","application/cu-seeme")
           ,("cub","chemical/x-gaussian-cube")
           ,("cxf","chemical/x-cxf")
           ,("cxx","text/x-c++src")
           ,("d","text/x-dsrc")
           ,("dat","chemical/x-mopac-input")
           ,("dcr","application/x-director")
           ,("deb","application/x-debian-package")
           ,("dif","video/dv")
           ,("diff","text/x-diff")
           ,("dir","application/x-director")
           ,("djv","image/vnd.djvu")
           ,("djvu","image/vnd.djvu")
           ,("dl","video/dl")
           ,("dll","application/x-msdos-program")
           ,("dmg","application/x-apple-diskimage")
           ,("dms","application/x-dms")
           ,("doc","application/msword")
           ,("dot","application/msword")
           ,("dv","video/dv")
           ,("dvi","application/x-dvi")
           ,("dx","chemical/x-jcamp-dx")
           ,("dxr","application/x-director")
           ,("emb","chemical/x-embl-dl-nucleotide")
           ,("embl","chemical/x-embl-dl-nucleotide")
           ,("emf","image/x-emf")
           ,("emz","application/x-msmetafile")
           ,("eml","message/rfc822")
           ,("ent","chemical/x-ncbi-asn1-ascii")
           ,("eot","application/vnd.ms-fontobject")
           ,("eps","application/eps")
           ,("etx","text/x-setext")
           ,("exe","application/x-msdos-program")
           ,("ez","application/andrew-inset")
           ,("fb","application/x-maker")
           ,("fbdoc","application/x-maker")
           ,("fch","chemical/x-gaussian-checkpoint")
           ,("fchk","chemical/x-gaussian-checkpoint")
           ,("fig","application/x-xfig")
           ,("flac","application/x-flac")
           ,("fli","video/fli")
           ,("fm","application/x-maker")
           ,("frame","application/x-maker")
           ,("frm","application/x-maker")
           ,("fs","text/plain")
           ,("gal","chemical/x-gaussian-log")
           ,("gam","chemical/x-gamess-input")
           ,("gamin","chemical/x-gamess-input")
           ,("gau","chemical/x-gaussian-input")
           ,("gcd","text/x-pcs-gcd")
           ,("gcf","application/x-graphing-calculator")
           ,("gcg","chemical/x-gcg8-sequence")
           ,("gen","chemical/x-genbank")
           ,("gf","application/x-tex-gf")
           ,("gif","image/gif")
           ,("gjc","chemical/x-gaussian-input")
           ,("gjf","chemical/x-gaussian-input")
           ,("gl","video/gl")
           ,("glsl","text/plain")
           ,("gnumeric","application/x-gnumeric")
           ,("gpt","chemical/x-mopac-graph")
           ,("gsf","application/x-font")
           ,("gsm","audio/x-gsm")
           ,("gtar","application/x-gtar")
           ,("h","text/x-chdr")
           ,("h++","text/x-c++hdr")
           ,("hdf","application/x-hdf")
           ,("hh","text/x-c++hdr")
           ,("hin","chemical/x-hin")
           ,("hpp","text/x-c++hdr")
           ,("hqx","application/mac-binhex40")
           ,("hs","text/x-haskell")
           ,("hta","application/hta")
           ,("htc","text/x-component")
           ,("htm","text/html")
           ,("html","text/html")
           ,("hxx","text/x-c++hdr")
           ,("ica","application/x-ica")
           ,("ice","x-conference/x-cooltalk")
           ,("ico","image/x-icon")
           ,("ics","text/calendar")
           ,("icz","text/calendar")
           ,("ief","image/ief")
           ,("iges","model/iges")
           ,("igs","model/iges")
           ,("iii","application/x-iphone")
           ,("inp","chemical/x-gamess-input")
           ,("ins","application/x-internet-signup")
           ,("iso","application/x-iso9660-image")
           ,("isp","application/x-internet-signup")
           ,("ist","chemical/x-isostar")
           ,("istr","chemical/x-isostar")
           ,("jad","text/vnd.sun.j2me.app-descriptor")
           ,("jar","application/java-archive")
           ,("java","text/x-java")
           ,("jdx","chemical/x-jcamp-dx")
           ,("jmz","application/x-jmol")
           ,("jng","image/x-jng")
           ,("jnlp","application/x-java-jnlp-file")
           ,("jpe","image/jpeg")
           ,("jpeg","image/jpeg")
           ,("jfif","image/jpeg")
           ,("jpg","image/jpeg")
           ,("js","application/javascript")
           ,("kar","audio/midi")
           ,("key","application/pgp-keys")
           ,("kil","application/x-killustrator")
           ,("kin","chemical/x-kinemage")
           ,("kml","application/vnd.google-earth.kml+xml")
           ,("kmz","application/vnd.google-earth.kmz")
           ,("kpr","application/x-kpresenter")
           ,("kpt","application/x-kpresenter")
           ,("ksp","application/x-kspread")
           ,("kwd","application/x-kword")
           ,("kwt","application/x-kword")
           ,("latex","application/x-latex")
           ,("lha","application/x-lha")
           ,("lhs","text/x-literate-haskell")
           ,("lsf","video/x-la-asf")
           ,("lsx","video/x-la-asf")
           ,("ltx","text/x-tex")
           ,("lyx","application/x-lyx")
           ,("lzh","application/x-lzh")
           ,("lzx","application/x-lzx")
           ,("m3u","audio/mpegurl")
           ,("m4a","audio/mpeg")
           ,("m4v","video/x-m4v")
           ,("maker","application/x-maker")
           ,("man","application/x-troff-man")
           ,("mcif","chemical/x-mmcif")
           ,("mcm","chemical/x-macmolecule")
           ,("mdb","application/msaccess")
           ,("me","application/x-troff-me")
           ,("mesh","model/mesh")
           ,("mid","audio/midi")
           ,("midi","audio/midi")
           ,("mif","application/x-mif")
           ,("mm","application/x-freemind")
           ,("mmd","chemical/x-macromodel-input")
           ,("mmf","application/vnd.smaf")
           ,("mml","text/mathml")
           ,("mmod","chemical/x-macromodel-input")
           ,("mng","video/x-mng")
           ,("moc","text/x-moc")
           ,("mol","chemical/x-mdl-molfile")
           ,("mol2","chemical/x-mol2")
           ,("moo","chemical/x-mopac-out")
           ,("mop","chemical/x-mopac-input")
           ,("mopcrt","chemical/x-mopac-input")
           ,("mov","video/quicktime")
           ,("movie","video/x-sgi-movie")
           ,("mp2","audio/mpeg")
           ,("mp3","audio/mpeg")
           ,("mp4","video/mp4")
           ,("mpc","chemical/x-mopac-input")
           ,("mpe","video/mpeg")
           ,("mpeg","video/mpeg")
           ,("mpega","audio/mpeg")
           ,("mpg","video/mpeg")
           ,("mpga","audio/mpeg")
           ,("ms","application/x-troff-ms")
           ,("msh","model/mesh")
           ,("msi","application/x-msi")
           ,("mvb","chemical/x-mopac-vib")
           ,("mxu","video/vnd.mpegurl")
           ,("nb","application/mathematica")
           ,("nc","application/x-netcdf")
           ,("nwc","application/x-nwc")
           ,("o","application/x-object")
           ,("oda","application/oda")
           ,("odb","application/vnd.oasis.opendocument.database")
           ,("odc","application/vnd.oasis.opendocument.chart")
           ,("odf","application/vnd.oasis.opendocument.formula")
           ,("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","application/ogg")
           ,("ogv","video/ogg")
           ,("ogx","application/ogg")
           ,("old","application/x-trash")
           ,("opus","audio/ogg")
           ,("otg","application/vnd.oasis.opendocument.graphics-template")
           ,("oth","application/vnd.oasis.opendocument.text-web")
           ,("otp","application/vnd.oasis.opendocument.presentation-template")
           ,("ots","application/vnd.oasis.opendocument.spreadsheet-template")
           ,("otf","application/vnd.ms-opentype")
           ,("ott","application/vnd.oasis.opendocument.text-template")
           ,("oza","application/x-oz-application")
           ,("p","text/x-pascal")
           ,("p7r","application/x-pkcs7-certreqresp")
           ,("pac","application/x-ns-proxy-autoconfig")
           ,("pas","text/x-pascal")
           ,("pat","image/x-coreldrawpattern")
           ,("patch","text/x-diff")
           ,("pbm","image/x-portable-bitmap")
           ,("pcap","application/cap")
           ,("pcf","application/x-font")
           ,("pcf.Z","application/x-font")
           ,("pcx","image/pcx")
           ,("pdb","chemical/x-pdb")
           ,("pdf","application/pdf")
           ,("pfa","application/x-font")
           ,("pfb","application/x-font")
           ,("pgm","image/x-portable-graymap")
           ,("pgn","application/x-chess-pgn")
           ,("pgp","application/pgp-signature")
           ,("php","application/x-httpd-php")
           ,("php3","application/x-httpd-php3")
           ,("php3p","application/x-httpd-php3-preprocessed")
           ,("php4","application/x-httpd-php4")
           ,("phps","application/x-httpd-php-source")
           ,("pht","application/x-httpd-php")
           ,("phtml","application/x-httpd-php")
           ,("pk","application/x-tex-pk")
           ,("pl","text/x-perl")
           ,("pls","audio/x-scpls")
           ,("pm","text/x-perl")
           ,("png","image/png")
           ,("pnm","image/x-portable-anymap")
           ,("pot","text/plain")
           ,("ppm","image/x-portable-pixmap")
           ,("pps","application/vnd.ms-powerpoint")
           ,("ppt","application/vnd.ms-powerpoint")
           ,("prf","application/pics-rules")
           ,("prt","chemical/x-ncbi-asn1-ascii")
           ,("ps","application/postscript")
           ,("psd","image/x-photoshop")
           ,("py","text/x-python")
           ,("pyc","application/x-python-code")
           ,("pyo","application/x-python-code")
           ,("qt","video/quicktime")
           ,("qtl","application/x-quicktimeplayer")
           ,("ra","audio/x-pn-realaudio")
           ,("ram","audio/x-pn-realaudio")
           ,("rar","application/rar")
           ,("ras","image/x-cmu-raster")
           ,("rd","chemical/x-mdl-rdfile")
           ,("rdf","application/rdf+xml")
           ,("rgb","image/x-rgb")
           ,("rhtml","application/x-httpd-eruby")
           ,("rm","audio/x-pn-realaudio")
           ,("roff","application/x-troff")
           ,("ros","chemical/x-rosdal")
           ,("rpm","application/x-redhat-package-manager")
           ,("rss","application/rss+xml")
           ,("rtf","application/rtf")
           ,("rtx","text/richtext")
           ,("rxn","chemical/x-mdl-rxnfile")
           ,("sct","text/scriptlet")
           ,("sd","chemical/x-mdl-sdfile")
           ,("sd2","audio/x-sd2")
           ,("sda","application/vnd.stardivision.draw")
           ,("sdc","application/vnd.stardivision.calc")
           ,("sdd","application/vnd.stardivision.impress")
           ,("sdf","application/vnd.stardivision.math")
           ,("sds","application/vnd.stardivision.chart")
           ,("sdw","application/vnd.stardivision.writer")
           ,("ser","application/java-serialized-object")
           ,("sgf","application/x-go-sgf")
           ,("sgl","application/vnd.stardivision.writer-global")
           ,("sh","application/x-sh")
           ,("shar","application/x-shar")
           ,("shtml","text/html")
           ,("sid","audio/prs.sid")
           ,("sik","application/x-trash")
           ,("silo","model/mesh")
           ,("sis","application/vnd.symbian.install")
           ,("sisx","x-epoc/x-sisx-app")
           ,("sit","application/x-stuffit")
           ,("sitx","application/x-stuffit")
           ,("skd","application/x-koan")
           ,("skm","application/x-koan")
           ,("skp","application/x-koan")
           ,("skt","application/x-koan")
           ,("smi","application/smil")
           ,("smil","application/smil")
           ,("snd","audio/basic")
           ,("spc","chemical/x-galactic-spc")
           ,("spl","application/futuresplash")
           ,("spx","audio/ogg")
           ,("src","application/x-wais-source")
           ,("stc","application/vnd.sun.xml.calc.template")
           ,("std","application/vnd.sun.xml.draw.template")
           ,("sti","application/vnd.sun.xml.impress.template")
           ,("stl","application/vnd.ms-pki.stl")
           ,("stw","application/vnd.sun.xml.writer.template")
           ,("sty","text/x-tex")
           ,("sv4cpio","application/x-sv4cpio")
           ,("sv4crc","application/x-sv4crc")
           ,("svg","image/svg+xml")
           -- removed for now, since it causes problems with
           -- extensionFromMimeType: see #2183.
           -- ,("svgz","image/svg+xml")
           ,("sw","chemical/x-swissprot")
           ,("swf","application/x-shockwave-flash")
           ,("swfl","application/x-shockwave-flash")
           ,("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","application/x-troff")
           ,("tar","application/x-tar")
           ,("taz","application/x-gtar")
           ,("tcl","application/x-tcl")
           ,("tex","text/x-tex")
           ,("texi","application/x-texinfo")
           ,("texinfo","application/x-texinfo")
           ,("text","text/plain")
           ,("tgf","chemical/x-mdl-tgf")
           ,("tgz","application/x-gtar")
           ,("tif","image/tiff")
           ,("tiff","image/tiff")
           ,("tk","text/x-tcl")
           ,("tm","text/texmacs")
           ,("torrent","application/x-bittorrent")
           ,("tr","application/x-troff")
           ,("ts","text/texmacs")
           ,("tsp","application/dsptype")
           ,("tsv","text/tab-separated-values")
           ,("ttf","application/x-font-truetype")
           ,("txt","text/plain")
           ,("udeb","application/x-debian-package")
           ,("uls","text/iuls")
           ,("ustar","application/x-ustar")
           ,("val","chemical/x-ncbi-asn1-binary")
           ,("vcd","application/x-cdlink")
           ,("vcf","text/x-vcard")
           ,("vcs","text/x-vcalendar")
           ,("vmd","chemical/x-vmd")
           ,("vms","chemical/x-vamas-iso14976")
           ,("vrm","x-world/x-vrml")
           ,("vrml","model/vrml")
           ,("vs","text/plain")
           ,("vsd","application/vnd.visio")
           ,("vtt","text/vtt")
           ,("wad","application/x-doom")
           ,("wav","audio/x-wav")
           ,("wax","audio/x-ms-wax")
           ,("wbmp","image/vnd.wap.wbmp")
           ,("wbxml","application/vnd.wap.wbxml")
           ,("webm","video/webm")
           ,("webp","image/webp")
           ,("wk","application/x-123")
           ,("wm","video/x-ms-wm")
           ,("wma","audio/x-ms-wma")
           ,("wmd","application/x-ms-wmd")
           ,("wmf","image/x-wmf")
           ,("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")
           ,("woff","application/font-woff")
           ,("woff2","font/woff2")
           ,("wp5","application/wordperfect5.1")
           ,("wpd","application/wordperfect")
           ,("wrl","model/vrml")
           ,("wsc","text/scriptlet")
           ,("wvx","video/x-ms-wvx")
           ,("wz","application/x-wingz")
           ,("xbm","image/x-xbitmap")
           ,("xcf","application/x-xcf")
           ,("xht","application/xhtml+xml")
           ,("xhtml","application/xhtml+xml")
           ,("xlb","application/vnd.ms-excel")
           ,("xls","application/vnd.ms-excel")
           ,("xlt","application/vnd.ms-excel")
           ,("xml","application/xml")
           ,("xpi","application/x-xpinstall")
           ,("xpm","image/x-xpixmap")
           ,("xsl","application/xml")
           ,("xtel","chemical/x-xtel")
           ,("xul","application/vnd.mozilla.xul+xml")
           ,("xwd","image/x-xwindowdump")
           ,("xyz","chemical/x-xyz")
           ,("zip","application/zip")
           ,("zmt","chemical/x-mopac-input")
           ]