1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
|
{-# LANGUAGE OverloadedStrings #-}
{- |
Module : Text.Pandoc.MIME
Copyright : Copyright (C) 2011-2022 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <[email protected]>
Stability : alpha
Portability : portable
Mime type lookup.
-}
module Text.Pandoc.MIME (
MimeType,
getMimeType,
getMimeTypeDef,
getCharset,
extensionFromMimeType,
mediaCategory ) where
import Data.List (isPrefixOf, isSuffixOf)
import qualified Data.Map as M
import qualified Data.Text as T
import qualified Data.Text.Encoding as T
import Data.Maybe (fromMaybe, listToMaybe)
import Data.Tuple (swap)
import qualified Network.Mime
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
-- few special cases, where there are multiple options:
extensionFromMimeType "text/plain" = Just "txt"
extensionFromMimeType "video/quicktime" = Just "mov"
extensionFromMimeType "video/mpeg" = Just "mpeg"
extensionFromMimeType "video/dv" = Just "dv"
extensionFromMimeType "image/vnd.djvu" = Just "djvu"
extensionFromMimeType "image/tiff" = Just "tiff"
extensionFromMimeType "image/jpeg" = Just "jpg"
extensionFromMimeType "application/xml" = Just "xml"
extensionFromMimeType "application/ogg" = Just "ogg"
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
-- | Get the charset from a mime type, if one is present.
getCharset :: MimeType -> Maybe T.Text
getCharset mt =
let (_,y) = T.breakOn "charset=" mt
in if T.null y
then Nothing
else Just $ T.toUpper $ T.takeWhile (/= ';') $ T.drop 8 y
-- | 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 = M.toList (M.map T.decodeUtf8 Network.Mime.defaultMimeMap) ++
[("%","application/x-trash")
,("323","text/h323")
,("alc","chemical/x-alchemy")
,("art","image/x-jg")
,("asn","chemical/x-ncbi-asn1")
,("aso","chemical/x-ncbi-asn1-binary")
,("atomsrv","application/atomserv+xml")
,("b","chemical/x-molconn-Z")
,("bak","application/x-trash")
,("bat","application/x-msdos-program")
,("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")
,("cabal","application/x-cabal")
,("cac","chemical/x-cache")
,("cache","chemical/x-cache")
,("cascii","chemical/x-cactvs-binary")
,("cbin","chemical/x-cactvs-binary")
,("cbz","application/x-cbz")
,("cc","text/x-c++src")
,("cdf","application/x-cdf")
,("cdr","image/x-coreldraw")
,("cdt","image/x-coreldrawtemplate")
,("cef","chemical/x-cxf")
,("cer","chemical/x-cerius")
,("chm","chemical/x-chemdraw")
,("chrt","application/x-kchart")
,("com","application/x-msdos-program")
,("cpa","chemical/x-compass")
,("cpp","text/x-c++src")
,("cpt","image/x-corelphotopaint")
,("crl","application/x-pkcs7-crl")
,("csf","chemical/x-cache-csf")
,("csm","chemical/x-csml")
,("ctab","chemical/x-cactvs-binary")
,("ctx","chemical/x-ctx")
,("cub","chemical/x-gaussian-cube")
,("cxf","chemical/x-cxf")
,("cxx","text/x-c++src")
,("d","text/x-dsrc")
,("dat","chemical/x-mopac-input")
,("dif","video/dv")
,("diff","text/x-diff")
,("dl","video/dl")
,("dll","application/x-msdos-program")
,("dms","application/x-dms")
,("dx","chemical/x-jcamp-dx")
,("emb","chemical/x-embl-dl-nucleotide")
,("embl","chemical/x-embl-dl-nucleotide")
,("emf","image/x-emf")
,("ent","chemical/x-ncbi-asn1-ascii")
-- The type used in mime-types is `application/postscript`,
-- but code in Text.Pandoc.PDF relies on the type being
-- `application/eps`. Do not remove without updating that
-- module.
,("eps","application/eps")
,("fb","application/x-maker")
,("fbdoc","application/x-maker")
,("fch","chemical/x-gaussian-checkpoint")
,("fchk","chemical/x-gaussian-checkpoint")
,("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")
,("gjc","chemical/x-gaussian-input")
,("gjf","chemical/x-gaussian-input")
,("gl","video/gl")
,("glsl","text/plain")
,("gpt","chemical/x-mopac-graph")
,("gsm","audio/x-gsm")
,("h","text/x-chdr")
,("h++","text/x-c++hdr")
,("hh","text/x-c++hdr")
,("hin","chemical/x-hin")
,("hpp","text/x-c++hdr")
,("hs","text/x-haskell")
,("hta","application/hta")
,("hxx","text/x-c++hdr")
,("ica","application/x-ica")
,("icz","text/calendar")
,("iii","application/x-iphone")
,("inp","chemical/x-gamess-input")
,("ins","application/x-internet-signup")
,("isp","application/x-internet-signup")
,("ist","chemical/x-isostar")
,("istr","chemical/x-isostar")
,("jdx","chemical/x-jcamp-dx")
,("jfif","image/jpeg")
,("jmz","application/x-jmol")
,("key","application/pgp-keys")
,("kil","application/x-killustrator")
,("kin","chemical/x-kinemage")
,("lhs","text/x-literate-haskell")
,("lsf","video/x-la-asf")
,("lsx","video/x-la-asf")
,("lyx","application/x-lyx")
,("lzh","application/x-lzh")
,("lzx","application/x-lzx")
,("man","application/x-troff-man")
,("mcif","chemical/x-mmcif")
,("mcm","chemical/x-macmolecule")
,("mdb","application/msaccess")
,("me","application/x-troff-me")
,("mm","application/x-freemind")
,("mmd","chemical/x-macromodel-input")
,("mmod","chemical/x-macromodel-input")
,("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")
,("mpc","chemical/x-mopac-input")
,("mpega","audio/mpeg")
,("ms","application/x-troff-ms")
,("msi","application/x-msi")
,("mvb","chemical/x-mopac-vib")
,("nwc","application/x-nwc")
,("o","application/x-object")
,("old","application/x-trash")
,("oza","application/x-oz-application")
,("pat","image/x-coreldrawpattern")
,("patch","text/x-diff")
,("pdb","chemical/x-pdb")
,("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")
,("pls","audio/x-scpls")
,("pot","text/plain")
,("prt","chemical/x-ncbi-asn1-ascii")
,("py","text/x-python")
,("pyc","application/x-python-code")
,("pyo","application/x-python-code")
,("qtl","application/x-quicktimeplayer")
,("rd","chemical/x-mdl-rdfile")
,("rhtml","application/x-httpd-eruby")
,("rm","audio/x-pn-realaudio")
,("ros","chemical/x-rosdal")
,("rxn","chemical/x-mdl-rxnfile")
,("sct","text/scriptlet")
,("sd","chemical/x-mdl-sdfile")
,("sd2","audio/x-sd2")
,("sdf","application/vnd.stardivision.math")
,("sds","application/vnd.stardivision.chart")
,("sgf","application/x-go-sgf")
,("sid","audio/prs.sid")
,("sik","application/x-trash")
,("spc","chemical/x-galactic-spc")
,("sw","chemical/x-swissprot")
,("swfl","application/x-shockwave-flash")
,("taz","application/x-gtar")
,("tgf","chemical/x-mdl-tgf")
,("tm","text/texmacs")
,("ts","text/texmacs")
,("tsp","application/dsptype")
,("val","chemical/x-ncbi-asn1-binary")
,("vmd","chemical/x-vmd")
,("vms","chemical/x-vamas-iso14976")
,("vrm","x-world/x-vrml")
,("vs","text/plain")
,("wk","application/x-123")
,("wmf","image/x-wmf")
,("wmz","application/x-ms-wmz")
,("wp5","application/wordperfect5.1")
,("wsc","text/scriptlet")
,("wz","application/x-wingz")
,("xlb","application/vnd.ms-excel")
,("xtel","chemical/x-xtel")
,("zmt","chemical/x-mopac-input")
]
|
