/*
   mkvmerge -- utility for splicing together matroska files
   from component media subtypes

   Distributed under the GPL v2
   see the file COPYING for details
   or visit http://www.gnu.org/copyleft/gpl.html

   Written by Moritz Bunkus <moritz@bunkus.org>.
   Changes by Robert Millan <rmh@aybabtu.com>.
*/

#include "common/common_pch.h"

#include <algorithm>
#if HAVE_MAGIC_H
extern "C" {
#include <magic.h>
};
#endif

#include "common/extern_data.h"
#include "common/fs_sys_helpers.h"
#include "common/mm_io.h"
#include "common/strings/editing.h"

#ifdef SYS_UNIX
std::vector<std::string> const sub_charsets = {
  "1026",
  "1046",
  "1047",
  "10646-1:1993",
  "10646-1:1993UCS4",
  "437",
  "500",
  "500V1",
  "850",
  "851",
  "852",
  "855",
  "856",
  "857",
  "860",
  "861",
  "862",
  "863",
  "864",
  "865",
  "866",
  "869",
  "874",
  "8859_1",
  "8859_2",
  "8859_3",
  "8859_4",
  "8859_5",
  "8859_6",
  "8859_7",
  "8859_8",
  "8859_9",
  "904",
  "ANSI_X3.110",
  "ANSI_X3.110-1983",
  "ANSI_X3.4",
  "ANSI_X3.4-1968",
  "ANSI_X3.4-1986",
  "ARABIC",
  "ARABIC7",
  "ARMSCII-8",
  "ASCII",
  "ASMO-708",
  "ASMO_449",
  "BALTIC",
  "BIG-5",
  "BIG-FIVE",
  "BIG5",
  "BIG5-HKSCS",
  "BIG5HKSCS",
  "BIGFIVE",
  "BS_4730",
  "CA",
  "CN",
  "CN-BIG5",
  "CN-GB",
  "CP-AR",
  "CP-GR",
  "CP-HU",
  "CP037",
  "CP038",
  "CP10007",
  "CP1004",
  "CP1026",
  "CP1046",
  "CP1047",
  "CP1070",
  "CP1079",
  "CP1081",
  "CP1084",
  "CP1089",
  "CP1124",
  "CP1125",
  "CP1129",
  "CP1132",
  "CP1133",
  "CP1160",
  "CP1161",
  "CP1162",
  "CP1163",
  "CP1164",
  "CP1250",
  "CP1251",
  "CP1252",
  "CP1253",
  "CP1254",
  "CP1255",
  "CP1256",
  "CP1257",
  "CP1258",
  "CP1361",
  "CP273",
  "CP274",
  "CP275",
  "CP278",
  "CP280",
  "CP281",
  "CP282",
  "CP284",
  "CP285",
  "CP290",
  "CP297",
  "CP367",
  "CP420",
  "CP423",
  "CP424",
  "CP437",
  "CP500",
  "CP737",
  "CP775",
  "CP813",
  "CP819",
  "CP850",
  "CP851",
  "CP852",
  "CP855",
  "CP856",
  "CP857",
  "CP860",
  "CP861",
  "CP862",
  "CP863",
  "CP864",
  "CP865",
  "CP866",
  "CP868",
  "CP869",
  "CP870",
  "CP871",
  "CP874",
  "CP875",
  "CP880",
  "CP891",
  "CP903",
  "CP904",
  "CP905",
  "CP912",
  "CP915",
  "CP916",
  "CP918",
  "CP920",
  "CP922",
  "CP930",
  "CP932",
  "CP933",
  "CP935",
  "CP936",
  "CP937",
  "CP939",
  "CP949",
  "CP950",
  "CPIBM861",
  "CSA7-1",
  "CSA7-2",
  "CSASCII",
  "CSA_T500",
  "CSA_T500-1983",
  "CSA_Z243.4-1985-1",
  "CSA_Z243.4-1985-2",
  "CSA_Z243.419851",
  "CSA_Z243.419852",
  "CSDECMCS",
  "CSEBCDICATDE",
  "CSEBCDICATDEA",
  "CSEBCDICCAFR",
  "CSEBCDICDKNO",
  "CSEBCDICDKNOA",
  "CSEBCDICES",
  "CSEBCDICESA",
  "CSEBCDICESS",
  "CSEBCDICFISE",
  "CSEBCDICFISEA",
  "CSEBCDICFR",
  "CSEBCDICIT",
  "CSEBCDICPT",
  "CSEBCDICUK",
  "CSEBCDICUS",
  "CSEUCKR",
  "CSEUCPKDFMTJAPANESE",
  "CSGB2312",
  "CSHPROMAN8",
  "CSIBM037",
  "CSIBM038",
  "CSIBM1026",
  "CSIBM1124",
  "CSIBM1129",
  "CSIBM1132",
  "CSIBM1133",
  "CSIBM1160",
  "CSIBM1161",
  "CSIBM11621162",
  "CSIBM1163",
  "CSIBM1164",
  "CSIBM273",
  "CSIBM274",
  "CSIBM275",
  "CSIBM277",
  "CSIBM278",
  "CSIBM280",
  "CSIBM281",
  "CSIBM284",
  "CSIBM285",
  "CSIBM290",
  "CSIBM297",
  "CSIBM420",
  "CSIBM423",
  "CSIBM424",
  "CSIBM500",
  "CSIBM851",
  "CSIBM855",
  "CSIBM856",
  "CSIBM857",
  "CSIBM860",
  "CSIBM863",
  "CSIBM864",
  "CSIBM865",
  "CSIBM866",
  "CSIBM868",
  "CSIBM869",
  "CSIBM870",
  "CSIBM871",
  "CSIBM880",
  "CSIBM891",
  "CSIBM903",
  "CSIBM904",
  "CSIBM905",
  "CSIBM918",
  "CSIBM922",
  "CSIBM930",
  "CSIBM932",
  "CSIBM933",
  "CSIBM935",
  "CSIBM937",
  "CSIBM939",
  "CSIBM943",
  "CSISO10367BOX",
  "CSISO103T618BIT",
  "CSISO10SWEDISH",
  "CSISO111ECMACYRILLIC",
  "CSISO11SWEDISHFORNAMES",
  "CSISO121CANADIAN1",
  "CSISO122CANADIAN2",
  "CSISO139CSN369103",
  "CSISO141JUSIB1002",
  "CSISO143IECP271",
  "CSISO14JISC6220RO",
  "CSISO150",
  "CSISO150GREEKCCITT",
  "CSISO151CUBA",
  "CSISO153GOST1976874",
  "CSISO15ITALIAN",
  "CSISO16PORTUGESE",
  "CSISO17SPANISH",
  "CSISO18GREEK7OLD",
  "CSISO19LATINGREEK",
  "CSISO2022CN",
  "CSISO2022JP",
  "CSISO2022JP2",
  "CSISO2022KR",
  "CSISO2033",
  "CSISO21GERMAN",
  "CSISO25FRENCH",
  "CSISO27LATINGREEK1",
  "CSISO49INIS",
  "CSISO4UNITEDKINGDOM",
  "CSISO50INIS8",
  "CSISO51INISCYRILLIC",
  "CSISO5427CYRILLIC",
  "CSISO5427CYRILLIC1981",
  "CSISO5428GREEK",
  "CSISO58GB1988",
  "CSISO60DANISHNORWEGIAN",
  "CSISO60NORWEGIAN1",
  "CSISO61NORWEGIAN2",
  "CSISO646DANISH",
  "CSISO69FRENCH",
  "CSISO84PORTUGUESE2",
  "CSISO85SPANISH2",
  "CSISO86HUNGARIAN",
  "CSISO88GREEK7",
  "CSISO89ASMO449",
  "CSISO90",
  "CSISO92JISC62991984B",
  "CSISO99NAPLPS",
  "CSISOLATIN1",
  "CSISOLATIN2",
  "CSISOLATIN3",
  "CSISOLATIN4",
  "CSISOLATIN5",
  "CSISOLATIN6",
  "CSISOLATINARABIC",
  "CSISOLATINCYRILLIC",
  "CSISOLATINGREEK",
  "CSISOLATINHEBREW",
  "CSKOI8R",
  "CSKSC5636",
  "CSMACINTOSH",
  "CSNATSDANO",
  "CSNATSSEFI",
  "CSN_369103",
  "CSPC775BALTIC",
  "CSPC850MULTILINGUAL",
  "CSPC862LATINHEBREW",
  "CSPC8CODEPAGE437",
  "CSPCP852",
  "CSSHIFTJIS",
  "CSUCS4",
  "CSUNICODE",
  "CUBA",
  "CWI",
  "CWI-2",
  "CYRILLIC",
  "DE",
  "DEC",
  "DEC-MCS",
  "DECMCS",
  "DIN_66003",
  "DK",
  "DS2089",
  "DS_2089",
  "E13B",
  "EBCDIC-AT-DE",
  "EBCDIC-AT-DE-A",
  "EBCDIC-BE",
  "EBCDIC-BR",
  "EBCDIC-CA-FR",
  "EBCDIC-CP-AR1",
  "EBCDIC-CP-AR2",
  "EBCDIC-CP-BE",
  "EBCDIC-CP-CA",
  "EBCDIC-CP-CH",
  "EBCDIC-CP-DK",
  "EBCDIC-CP-ES",
  "EBCDIC-CP-FI",
  "EBCDIC-CP-FR",
  "EBCDIC-CP-GB",
  "EBCDIC-CP-GR",
  "EBCDIC-CP-HE",
  "EBCDIC-CP-IS",
  "EBCDIC-CP-IT",
  "EBCDIC-CP-NL",
  "EBCDIC-CP-NO",
  "EBCDIC-CP-ROECE",
  "EBCDIC-CP-SE",
  "EBCDIC-CP-TR",
  "EBCDIC-CP-US",
  "EBCDIC-CP-WT",
  "EBCDIC-CP-YU",
  "EBCDIC-CYRILLIC",
  "EBCDIC-DK-NO",
  "EBCDIC-DK-NO-A",
  "EBCDIC-ES",
  "EBCDIC-ES-A",
  "EBCDIC-ES-S",
  "EBCDIC-FI-SE",
  "EBCDIC-FI-SE-A",
  "EBCDIC-FR",
  "EBCDIC-GREEK",
  "EBCDIC-INT",
  "EBCDIC-INT1",
  "EBCDIC-IS-FRISS",
  "EBCDIC-IT",
  "EBCDIC-JP-E",
  "EBCDIC-JP-KANA",
  "EBCDIC-PT",
  "EBCDIC-UK",
  "EBCDIC-US",
  "EBCDICATDE",
  "EBCDICATDEA",
  "EBCDICCAFR",
  "EBCDICDKNO",
  "EBCDICDKNOA",
  "EBCDICES",
  "EBCDICESA",
  "EBCDICESS",
  "EBCDICFISE",
  "EBCDICFISEA",
  "EBCDICFR",
  "EBCDICISFRISS",
  "EBCDICIT",
  "EBCDICPT",
  "EBCDICUK",
  "EBCDICUS",
  "ECMA-114",
  "ECMA-118",
  "ECMA-128",
  "ECMA-CYRILLIC",
  "ECMACYRILLIC",
  "ELOT_928",
  "ES",
  "ES2",
  "EUC-CN",
  "EUC-JISX0213",
  "EUC-JP",
  "EUC-KR",
  "EUC-TW",
  "EUCCN",
  "EUCJP",
  "EUCKR",
  "EUCTW",
  "FI",
  "FR",
  "GB",
  "GB13000",
  "GB18030",
  "GB2312",
  "GBK",
  "GB_1988-80",
  "GB_198880",
  "GEORGIAN-ACADEMY",
  "GEORGIAN-PS",
  "GOST_19768",
  "GOST_19768-74",
  "GOST_1976874",
  "GREEK",
  "GREEK-CCITT",
  "GREEK7",
  "GREEK7-OLD",
  "GREEK7OLD",
  "GREEK8",
  "GREEKCCITT",
  "HEBREW",
  "HP-ROMAN8",
  "HPROMAN8",
  "HU",
  "IBM-1046",
  "IBM-1124",
  "IBM-1129",
  "IBM-1132",
  "IBM-1133",
  "IBM-1160",
  "IBM-1161",
  "IBM-1162",
  "IBM-1163",
  "IBM-1164",
  "IBM-856",
  "IBM-922",
  "IBM-930",
  "IBM-932",
  "IBM-933",
  "IBM-935",
  "IBM-937",
  "IBM-939",
  "IBM-943",
  "IBM037",
  "IBM038",
  "IBM1004",
  "IBM1026",
  "IBM1046",
  "IBM1047",
  "IBM1089",
  "IBM1124",
  "IBM1129",
  "IBM1132",
  "IBM1133",
  "IBM1160",
  "IBM1161",
  "IBM1162",
  "IBM1163",
  "IBM1164",
  "IBM256",
  "IBM273",
  "IBM274",
  "IBM275",
  "IBM277",
  "IBM278",
  "IBM280",
  "IBM281",
  "IBM284",
  "IBM285",
  "IBM290",
  "IBM297",
  "IBM367",
  "IBM420",
  "IBM423",
  "IBM424",
  "IBM437",
  "IBM500",
  "IBM775",
  "IBM813",
  "IBM819",
  "IBM848",
  "IBM850",
  "IBM851",
  "IBM852",
  "IBM855",
  "IBM856",
  "IBM857",
  "IBM860",
  "IBM861",
  "IBM862",
  "IBM863",
  "IBM864",
  "IBM865",
  "IBM866",
  "IBM868",
  "IBM869",
  "IBM870",
  "IBM871",
  "IBM874",
  "IBM875",
  "IBM880",
  "IBM891",
  "IBM903",
  "IBM904",
  "IBM905",
  "IBM912",
  "IBM915",
  "IBM916",
  "IBM918",
  "IBM920",
  "IBM922",
  "IBM930",
  "IBM932",
  "IBM933",
  "IBM935",
  "IBM937",
  "IBM939",
  "IBM943",
  "IEC_P27-1",
  "IEC_P271",
  "INIS",
  "INIS-8",
  "INIS-CYRILLIC",
  "INIS8",
  "INISCYRILLIC",
  "ISIRI-3342",
  "ISIRI3342",
  "ISO-10646",
  "ISO-10646UCS2",
  "ISO-10646UCS4",
  "ISO-10646UTF-8",
  "ISO-10646UTF8",
  "ISO-2022-CN",
  "ISO-2022-CN-EXT",
  "ISO-2022-JP",
  "ISO-2022-JP-2",
  "ISO-2022-JP-3",
  "ISO-2022-KR",
  "ISO-8859-1",
  "ISO-8859-10",
  "ISO-8859-11",
  "ISO-8859-13",
  "ISO-8859-14",
  "ISO-8859-15",
  "ISO-8859-16",
  "ISO-8859-2",
  "ISO-8859-3",
  "ISO-8859-4",
  "ISO-8859-5",
  "ISO-8859-6",
  "ISO-8859-7",
  "ISO-8859-8",
  "ISO-8859-9",
  "ISO-CELTIC",
  "ISO-IR-10",
  "ISO-IR-100",
  "ISO-IR-101",
  "ISO-IR-103",
  "ISO-IR-109",
  "ISO-IR-11",
  "ISO-IR-110",
  "ISO-IR-111",
  "ISO-IR-121",
  "ISO-IR-122",
  "ISO-IR-126",
  "ISO-IR-127",
  "ISO-IR-138",
  "ISO-IR-139",
  "ISO-IR-14",
  "ISO-IR-141",
  "ISO-IR-143",
  "ISO-IR-144",
  "ISO-IR-148",
  "ISO-IR-15",
  "ISO-IR-150",
  "ISO-IR-151",
  "ISO-IR-153",
  "ISO-IR-155",
  "ISO-IR-156",
  "ISO-IR-157",
  "ISO-IR-16",
  "ISO-IR-166",
  "ISO-IR-17",
  "ISO-IR-179",
  "ISO-IR-18",
  "ISO-IR-19",
  "ISO-IR-193",
  "ISO-IR-197",
  "ISO-IR-199",
  "ISO-IR-203",
  "ISO-IR-209",
  "ISO-IR-21",
  "ISO-IR-226",
  "ISO-IR-25",
  "ISO-IR-27",
  "ISO-IR-37",
  "ISO-IR-4",
  "ISO-IR-49",
  "ISO-IR-50",
  "ISO-IR-51",
  "ISO-IR-54",
  "ISO-IR-55",
  "ISO-IR-57",
  "ISO-IR-6",
  "ISO-IR-60",
  "ISO-IR-61",
  "ISO-IR-69",
  "ISO-IR-8-1",
  "ISO-IR-84",
  "ISO-IR-85",
  "ISO-IR-86",
  "ISO-IR-88",
  "ISO-IR-89",
  "ISO-IR-9-1",
  "ISO-IR-90",
  "ISO-IR-92",
  "ISO-IR-98",
  "ISO-IR-99",
  "ISO2022CN",
  "ISO2022CNEXT",
  "ISO2022JP",
  "ISO2022JP2",
  "ISO2022KR",
  "ISO646-CA",
  "ISO646-CA2",
  "ISO646-CN",
  "ISO646-CU",
  "ISO646-DE",
  "ISO646-DK",
  "ISO646-ES",
  "ISO646-ES2",
  "ISO646-FI",
  "ISO646-FR",
  "ISO646-FR1",
  "ISO646-GB",
  "ISO646-HU",
  "ISO646-IT",
  "ISO646-JP",
  "ISO646-JP-OCR-B",
  "ISO646-KR",
  "ISO646-NO",
  "ISO646-NO2",
  "ISO646-PT",
  "ISO646-PT2",
  "ISO646-SE",
  "ISO646-SE2",
  "ISO646-US",
  "ISO646-YU",
  "ISO6937",
  "ISO8859-1",
  "ISO8859-10",
  "ISO8859-11",
  "ISO8859-13",
  "ISO8859-14",
  "ISO8859-15",
  "ISO8859-16",
  "ISO8859-2",
  "ISO8859-3",
  "ISO8859-4",
  "ISO8859-5",
  "ISO8859-6",
  "ISO8859-7",
  "ISO8859-8",
  "ISO8859-9",
  "ISO88591",
  "ISO885910",
  "ISO885911",
  "ISO885913",
  "ISO885914",
  "ISO885915",
  "ISO885916",
  "ISO88592",
  "ISO88593",
  "ISO88594",
  "ISO88595",
  "ISO88596",
  "ISO88597",
  "ISO88598",
  "ISO88599",
  "ISO_10367-BOX",
  "ISO_10367BOX",
  "ISO_2033",
  "ISO_2033-1983",
  "ISO_5427",
  "ISO_5427-EXT",
  "ISO_5427:1981",
  "ISO_5427EXT",
  "ISO_5428",
  "ISO_5428:1980",
  "ISO_646.IRV:1991",
  "ISO_6937",
  "ISO_6937-2",
  "ISO_6937-2:1983",
  "ISO_69372",
  "ISO_6937:1992",
  "ISO_8859-1",
  "ISO_8859-10",
  "ISO_8859-10:1992",
  "ISO_8859-14",
  "ISO_8859-14:1998",
  "ISO_8859-15:1998",
  "ISO_8859-1:1987",
  "ISO_8859-2",
  "ISO_8859-2:1987",
  "ISO_8859-3",
  "ISO_8859-3:1988",
  "ISO_8859-4",
  "ISO_8859-4:1988",
  "ISO_8859-5",
  "ISO_8859-5:1988",
  "ISO_8859-6",
  "ISO_8859-6:1987",
  "ISO_8859-7",
  "ISO_8859-7:1987",
  "ISO_8859-8",
  "ISO_8859-8:1988",
  "ISO_8859-9",
  "ISO_8859-9:1989",
  "ISO_9036",
  "IT",
  "JIS_C6220-1969-RO",
  "JIS_C62201969RO",
  "JIS_C6229-1984-B",
  "JIS_C62291984B",
  "JOHAB",
  "JP",
  "JP-OCR-B",
  "JS",
  "JUS_I.B1.002",
  "KOI-7",
  "KOI-8",
  "KOI8",
  "KOI8-R",
  "KOI8-T",
  "KOI8-U",
  "KOI8R",
  "KOI8U",
  "KSC5636",
  "L1",
  "L10",
  "L2",
  "L3",
  "L4",
  "L5",
  "L6",
  "L7",
  "L8",
  "LATIN-GREEK",
  "LATIN-GREEK-1",
  "LATIN1",
  "LATIN10",
  "LATIN2",
  "LATIN3",
  "LATIN4",
  "LATIN5",
  "LATIN6",
  "LATIN7",
  "LATIN8",
  "LATINGREEK",
  "LATINGREEK1",
  "MAC",
  "MAC-CYRILLIC",
  "MAC-IS",
  "MAC-SAMI",
  "MAC-UK",
  "MACCYRILLIC",
  "MACINTOSH",
  "MACIS",
  "MACUK",
  "MACUKRAINIAN",
  "MS-ANSI",
  "MS-ARAB",
  "MS-CYRL",
  "MS-EE",
  "MS-GREEK",
  "MS-HEBR",
  "MS-MAC-CYRILLIC",
  "MS-TURK",
  "MSCP1361",
  "MSCP949",
  "MSMACCYRILLIC",
  "MSZ_7795.3",
  "MS_KANJI",
  "NAPLPS",
  "NATS-DANO",
  "NATS-SEFI",
  "NATSDANO",
  "NATSSEFI",
  "NC_NC00-10",
  "NC_NC00-10:81",
  "NC_NC0010",
  "NF_Z_62-010",
  "NF_Z_62-010_(1973)",
  "NF_Z_62-010_1973",
  "NF_Z_62010",
  "NF_Z_62010_1973",
  "NO",
  "NO2",
  "NS_4551-1",
  "NS_4551-2",
  "NS_45511",
  "NS_45512",
  "OS2LATIN1",
  "OSF00010001",
  "OSF00010002",
  "OSF00010003",
  "OSF00010004",
  "OSF00010005",
  "OSF00010006",
  "OSF00010007",
  "OSF00010008",
  "OSF00010009",
  "OSF0001000A",
  "OSF00010020",
  "OSF00010100",
  "OSF00010101",
  "OSF00010102",
  "OSF00010104",
  "OSF00010105",
  "OSF00010106",
  "OSF00030010",
  "OSF0004000A",
  "OSF0005000A",
  "OSF05010001",
  "OSF10010001",
  "OSF10020025",
  "OSF10020111",
  "OSF10020115",
  "OSF10020116",
  "OSF10020118",
  "OSF1002011C",
  "OSF1002011D",
  "OSF10020122",
  "OSF10020129",
  "OSF100201A4",
  "OSF100201A8",
  "OSF100201B5",
  "OSF100201F4",
  "OSF10020352",
  "OSF10020354",
  "OSF10020357",
  "OSF10020359",
  "OSF1002035D",
  "OSF1002035E",
  "OSF1002035F",
  "OSF10020360",
  "OSF10020364",
  "OSF10020365",
  "OSF10020366",
  "OSF10020367",
  "OSF1002036B",
  "OSF10020370",
  "OSF1002037B",
  "OSF10020387",
  "OSF10020388",
  "OSF10020396",
  "OSF100203B5",
  "OSF10020402",
  "OSF10020417",
  "PT",
  "PT2",
  "R8",
  "ROMAN8",
  "RUSCII",
  "SE",
  "SE2",
  "SEN_850200_B",
  "SEN_850200_C",
  "SHIFT-JIS",
  "SHIFT_JIS",
  "SHIFT_JISX0213",
  "SJIS",
  "SS636127",
  "ST_SEV_358-88",
  "T.61",
  "T.61-8BIT",
  "T.618BIT",
  "TCVN",
  "TCVN-5712",
  "TCVN5712-1",
  "TCVN5712-1:1993",
  "TIS-620",
  "TIS620",
  "TIS620-0",
  "TIS620.2529-1",
  "TIS620.2533-0",
  "TS-5881",
  "TSCII",
  "UCS-2",
  "UCS-2BE",
  "UCS-2LE",
  "UCS-4",
  "UCS-4BE",
  "UCS-4LE",
  "UCS2",
  "UCS4",
  "UHC",
  "UJIS",
  "UK",
  "UNICODE",
  "UNICODEBIG",
  "UNICODELITTLE",
  "US",
  "US-ASCII",
  "UTF-16",
  "UTF-16BE",
  "UTF-16LE",
  "UTF-32",
  "UTF-32BE",
  "UTF-32LE",
  "UTF-7",
  "UTF-8",
  "UTF16",
  "UTF16BE",
  "UTF16LE",
  "UTF32",
  "UTF32BE",
  "UTF32LE",
  "UTF7",
  "UTF8",
  "VISCII",
  "WCHAR_T",
  "WIN-SAMI-2",
  "WINBALTRIM",
  "WINDOWS-1250",
  "WINDOWS-1251",
  "WINDOWS-1252",
  "WINDOWS-1253",
  "WINDOWS-1254",
  "WINDOWS-1255",
  "WINDOWS-1256",
  "WINDOWS-1257",
  "WINDOWS-1258",
  "WINSAMI2",
  "WS2",
  "YU",
};
#elif defined(SYS_APPLE)
std::vector<std::string> const sub_charsets = {
  "437",
  "850",
  "852",
  "855",
  "857",
  "860",
  "861",
  "862",
  "863",
  "865",
  "866",
  "869",
  "ANSI_X3.4-1968",
  "ANSI_X3.4-1986",
  "ARABIC",
  "ARMSCII-8",
  "ASCII",
  "ASMO-708",
  "BIG-5",
  "BIG-FIVE",
  "BIG5",
  "BIG5-HKSCS",
  "BIG5HKSCS",
  "BIGFIVE",
  "C99",
  "CHINESE",
  "CN",
  "CN-BIG5",
  "CN-GB",
  "CN-GB-ISOIR165",
  "CP-GR",
  "CP-IS",
  "CP1046",
  "CP1124",
  "CP1125",
  "CP1129",
  "CP1133",
  "CP1161",
  "CP1162",
  "CP1163",
  "CP1250",
  "CP1251",
  "CP1252",
  "CP1253",
  "CP1254",
  "CP1255",
  "CP1256",
  "CP1257",
  "CP1258",
  "CP1361",
  "CP367",
  "CP437",
  "CP737",
  "CP775",
  "CP819",
  "CP850",
  "CP852",
  "CP853",
  "CP855",
  "CP856",
  "CP857",
  "CP858",
  "CP860",
  "CP861",
  "CP862",
  "CP863",
  "CP864",
  "CP865",
  "CP866",
  "CP869",
  "CP874",
  "CP922",
  "CP932",
  "CP936",
  "CP943",
  "CP949",
  "CP950",
  "CSASCII",
  "CSBIG5",
  "CSEUCKR",
  "CSEUCPKDFMTJAPANESE",
  "CSEUCTW",
  "CSGB2312",
  "CSHALFWIDTHKATAKANA",
  "CSHPROMAN8",
  "CSIBM1161",
  "CSIBM1162",
  "CSIBM1163",
  "CSIBM855",
  "CSIBM857",
  "CSIBM860",
  "CSIBM861",
  "CSIBM863",
  "CSIBM864",
  "CSIBM865",
  "CSIBM866",
  "CSIBM869",
  "CSISO14JISC6220RO",
  "CSISO159JISX02121990",
  "CSISO2022CN",
  "CSISO2022JP",
  "CSISO2022JP2",
  "CSISO2022KR",
  "CSISO57GB1988",
  "CSISO58GB231280",
  "CSISO87JISX0208",
  "CSISOLATIN1",
  "CSISOLATIN2",
  "CSISOLATIN3",
  "CSISOLATIN4",
  "CSISOLATIN5",
  "CSISOLATIN6",
  "CSISOLATINARABIC",
  "CSISOLATINCYRILLIC",
  "CSISOLATINGREEK",
  "CSISOLATINHEBREW",
  "CSKOI8R",
  "CSKSC56011987",
  "CSMACINTOSH",
  "CSPC775BALTIC",
  "CSPC850MULTILINGUAL",
  "CSPC862LATINHEBREW",
  "CSPC8CODEPAGE437",
  "CSPCP852",
  "CSSHIFTJIS",
  "CSUCS4",
  "CSUNICODE",
  "CSUNICODE11",
  "CSUNICODE11UTF7",
  "CSVISCII",
  "CYRILLIC",
  "DEC-HANYU",
  "DEC-KANJI",
  "ECMA-114",
  "ECMA-118",
  "ELOT_928",
  "EUC-CN",
  "EUC-JISX0213",
  "EUC-JP",
  "EUC-KR",
  "EUC-TW",
  "EUCCN",
  "EUCJP",
  "EUCKR",
  "EUCTW",
  "EXTENDED_UNIX_CODE_PACKED_FORMAT_FOR_JAPANESE",
  "GB18030",
  "GB2312",
  "GBK",
  "GB_1988-80",
  "GB_2312-80",
  "GEORGIAN-ACADEMY",
  "GEORGIAN-PS",
  "GREEK",
  "GREEK8",
  "HEBREW",
  "HP-ROMAN8",
  "HZ",
  "HZ-GB-2312",
  "IBM-1161",
  "IBM-1162",
  "IBM-1163",
  "IBM-CP1133",
  "IBM1161",
  "IBM1162",
  "IBM1163",
  "IBM367",
  "IBM437",
  "IBM775",
  "IBM819",
  "IBM850",
  "IBM852",
  "IBM855",
  "IBM857",
  "IBM860",
  "IBM861",
  "IBM862",
  "IBM863",
  "IBM864",
  "IBM865",
  "IBM866",
  "IBM869",
  "ISO-10646-UCS-2",
  "ISO-10646-UCS-4",
  "ISO-2022-CN",
  "ISO-2022-CN-EXT",
  "ISO-2022-JP",
  "ISO-2022-JP-1",
  "ISO-2022-JP-2",
  "ISO-2022-JP-3",
  "ISO-2022-KR",
  "ISO-8859-1",
  "ISO-8859-10",
  "ISO-8859-13",
  "ISO-8859-14",
  "ISO-8859-15",
  "ISO-8859-16",
  "ISO-8859-2",
  "ISO-8859-3",
  "ISO-8859-4",
  "ISO-8859-5",
  "ISO-8859-6",
  "ISO-8859-7",
  "ISO-8859-8",
  "ISO-8859-9",
  "ISO-CELTIC",
  "ISO-IR-100",
  "ISO-IR-101",
  "ISO-IR-109",
  "ISO-IR-110",
  "ISO-IR-126",
  "ISO-IR-127",
  "ISO-IR-138",
  "ISO-IR-14",
  "ISO-IR-144",
  "ISO-IR-148",
  "ISO-IR-149",
  "ISO-IR-157",
  "ISO-IR-159",
  "ISO-IR-165",
  "ISO-IR-166",
  "ISO-IR-179",
  "ISO-IR-199",
  "ISO-IR-203",
  "ISO-IR-226",
  "ISO-IR-230",
  "ISO-IR-57",
  "ISO-IR-58",
  "ISO-IR-6",
  "ISO-IR-87",
  "ISO646-CN",
  "ISO646-JP",
  "ISO646-US",
  "ISO8859-1",
  "ISO8859-10",
  "ISO8859-13",
  "ISO8859-14",
  "ISO8859-15",
  "ISO8859-16",
  "ISO8859-2",
  "ISO8859-3",
  "ISO8859-4",
  "ISO8859-5",
  "ISO8859-6",
  "ISO8859-7",
  "ISO8859-8",
  "ISO8859-9",
  "ISO_646.IRV:1991",
  "ISO_8859-1",
  "ISO_8859-10",
  "ISO_8859-10:1992",
  "ISO_8859-13",
  "ISO_8859-14",
  "ISO_8859-14:1998",
  "ISO_8859-15",
  "ISO_8859-15:1998",
  "ISO_8859-16",
  "ISO_8859-16:2000",
  "ISO_8859-1:1987",
  "ISO_8859-2",
  "ISO_8859-2:1987",
  "ISO_8859-3",
  "ISO_8859-3:1988",
  "ISO_8859-4",
  "ISO_8859-4:1988",
  "ISO_8859-5",
  "ISO_8859-5:1988",
  "ISO_8859-6",
  "ISO_8859-6:1987",
  "ISO_8859-7",
  "ISO_8859-7:1987",
  "ISO_8859-8",
  "ISO_8859-8:1988",
  "ISO_8859-9",
  "ISO_8859-9:1989",
  "JAVA",
  "JIS0208",
  "JISX0201-1976",
  "JIS_C6220-1969-RO",
  "JIS_C6226-1983",
  "JIS_X0201",
  "JIS_X0208",
  "JIS_X0208-1983",
  "JIS_X0208-1990",
  "JIS_X0212",
  "JIS_X0212-1990",
  "JIS_X0212.1990-0",
  "JOHAB",
  "JP",
  "KOI8-R",
  "KOI8-RU",
  "KOI8-T",
  "KOI8-U",
  "KOREAN",
  "KSC_5601",
  "KS_C_5601-1987",
  "KS_C_5601-1989",
  "L1",
  "L2",
  "L3",
  "L4",
  "L5",
  "L6",
  "L7",
  "L8",
  "LATIN1",
  "LATIN2",
  "LATIN3",
  "LATIN4",
  "LATIN5",
  "LATIN6",
  "LATIN7",
  "LATIN8",
  "MAC",
  "MACARABIC",
  "MACCENTRALEUROPE",
  "MACCROATIAN",
  "MACCYRILLIC",
  "MACGREEK",
  "MACHEBREW",
  "MACICELAND",
  "MACINTOSH",
  "MACROMAN",
  "MACROMANIA",
  "MACTHAI",
  "MACTURKISH",
  "MACUKRAINE",
  "MS-ANSI",
  "MS-ARAB",
  "MS-CYRL",
  "MS-EE",
  "MS-GREEK",
  "MS-HEBR",
  "MS-TURK",
  "MS_KANJI",
  "MULELAO-1",
  "NEXTSTEP",
  "R8",
  "RISCOS-LATIN1",
  "ROMAN8",
  "SHIFT-JIS",
  "SHIFT_JIS",
  "SHIFT_JISX0213",
  "SJIS",
  "TCVN",
  "TCVN-5712",
  "TCVN5712-1",
  "TCVN5712-1:1993",
  "TDS565",
  "TIS-620",
  "TIS620",
  "TIS620-0",
  "TIS620.2529-1",
  "TIS620.2533-0",
  "TIS620.2533-1",
  "UCS-2",
  "UCS-2-INTERNAL",
  "UCS-2-SWAPPED",
  "UCS-2BE",
  "UCS-2LE",
  "UCS-4",
  "UCS-4-INTERNAL",
  "UCS-4-SWAPPED",
  "UCS-4BE",
  "UCS-4LE",
  "UHC",
  "UNICODE-1-1",
  "UNICODE-1-1-UTF-7",
  "UNICODEBIG",
  "UNICODELITTLE",
  "US",
  "US-ASCII",
  "UTF-16",
  "UTF-16BE",
  "UTF-16LE",
  "UTF-32",
  "UTF-32BE",
  "UTF-32LE",
  "UTF-7",
  "UTF-8",
  "UTF-8-MAC",
  "UTF8",
  "UTF8-MAC",
  "VISCII",
  "VISCII1.1-1",
  "WINBALTRIM",
  "WINDOWS-1250",
  "WINDOWS-1251",
  "WINDOWS-1252",
  "WINDOWS-1253",
  "WINDOWS-1254",
  "WINDOWS-1255",
  "WINDOWS-1256",
  "WINDOWS-1257",
  "WINDOWS-1258",
  "WINDOWS-874",
  "X0201",
  "X0208",
  "X0212",
};
#else
std::vector<std::string> const sub_charsets = {
  "437",
  "850",
  "852",
  "855",
  "857",
  "860",
  "861",
  "862",
  "863",
  "865",
  "866",
  "869",
  "ANSI_X3.4-1968",
  "ANSI_X3.4-1986",
  "ARABIC",
  "ARMSCII-8",
  "ASCII",
  "ASMO-708",
  "BIG-5",
  "BIG-FIVE",
  "BIG5",
  "BIG5-HKSCS",
  "BIG5HKSCS",
  "BIGFIVE",
  "C99",
  "CHINESE",
  "CN",
  "CN-BIG5",
  "CN-GB",
  "CN-GB-ISOIR165",
  "CP-GR",
  "CP-IS",
  "CP1125",
  "CP1133",
  "CP1250",
  "CP1251",
  "CP1252",
  "CP1253",
  "CP1254",
  "CP1255",
  "CP1256",
  "CP1257",
  "CP1258",
  "CP1361",
  "CP367",
  "CP437",
  "CP737",
  "CP775",
  "CP819",
  "CP850",
  "CP852",
  "CP853",
  "CP855",
  "CP857",
  "CP858",
  "CP860",
  "CP861",
  "CP862",
  "CP863",
  "CP864",
  "CP865",
  "CP866",
  "CP869",
  "CP874",
  "CP932",
  "CP936",
  "CP949",
  "CP950",
  "CSASCII",
  "CSBIG5",
  "CSEUCKR",
  "CSEUCPKDFMTJAPANESE",
  "CSEUCTW",
  "CSGB2312",
  "CSHALFWIDTHKATAKANA",
  "CSHPROMAN8",
  "CSIBM855",
  "CSIBM857",
  "CSIBM860",
  "CSIBM861",
  "CSIBM863",
  "CSIBM864",
  "CSIBM865",
  "CSIBM866",
  "CSIBM869",
  "CSISO14JISC6220RO",
  "CSISO159JISX02121990",
  "CSISO2022CN",
  "CSISO2022JP",
  "CSISO2022JP2",
  "CSISO2022KR",
  "CSISO57GB1988",
  "CSISO58GB231280",
  "CSISO87JISX0208",
  "CSISOLATIN1",
  "CSISOLATIN2",
  "CSISOLATIN3",
  "CSISOLATIN4",
  "CSISOLATIN5",
  "CSISOLATIN6",
  "CSISOLATINARABIC",
  "CSISOLATINCYRILLIC",
  "CSISOLATINGREEK",
  "CSISOLATINHEBREW",
  "CSKOI8R",
  "CSKSC56011987",
  "CSMACINTOSH",
  "CSPC775BALTIC",
  "CSPC850MULTILINGUAL",
  "CSPC862LATINHEBREW",
  "CSPC8CODEPAGE437",
  "CSPCP852",
  "CSSHIFTJIS",
  "CSUCS4",
  "CSUNICODE",
  "CSUNICODE11",
  "CSUNICODE11UTF7",
  "CSVISCII",
  "CYRILLIC",
  "ECMA-114",
  "ECMA-118",
  "ELOT_928",
  "EUC-CN",
  "EUC-JP",
  "EUC-KR",
  "EUC-TW",
  "EUCCN",
  "EUCJP",
  "EUCKR",
  "EUCTW",
  "EXTENDED_UNIX_CODE_PACKED_FORMAT_FOR_JAPANESE",
  "GB18030",
  "GB2312",
  "GBK",
  "GB_1988-80",
  "GB_2312-80",
  "GEORGIAN-ACADEMY",
  "GEORGIAN-PS",
  "GREEK",
  "GREEK8",
  "HEBREW",
  "HP-ROMAN8",
  "HZ",
  "HZ-GB-2312",
  "IBM-CP1133",
  "IBM367",
  "IBM437",
  "IBM775",
  "IBM819",
  "IBM850",
  "IBM852",
  "IBM855",
  "IBM857",
  "IBM860",
  "IBM861",
  "IBM862",
  "IBM863",
  "IBM864",
  "IBM865",
  "IBM866",
  "IBM869",
  "ISO-10646-UCS-2",
  "ISO-10646-UCS-4",
  "ISO-2022-CN",
  "ISO-2022-CN-EXT",
  "ISO-2022-JP",
  "ISO-2022-JP-1",
  "ISO-2022-JP-2",
  "ISO-2022-KR",
  "ISO-8859-1",
  "ISO-8859-10",
  "ISO-8859-13",
  "ISO-8859-14",
  "ISO-8859-15",
  "ISO-8859-16",
  "ISO-8859-2",
  "ISO-8859-3",
  "ISO-8859-4",
  "ISO-8859-5",
  "ISO-8859-6",
  "ISO-8859-7",
  "ISO-8859-8",
  "ISO-8859-9",
  "ISO-CELTIC",
  "ISO-IR-100",
  "ISO-IR-101",
  "ISO-IR-109",
  "ISO-IR-110",
  "ISO-IR-126",
  "ISO-IR-127",
  "ISO-IR-138",
  "ISO-IR-14",
  "ISO-IR-144",
  "ISO-IR-148",
  "ISO-IR-149",
  "ISO-IR-157",
  "ISO-IR-159",
  "ISO-IR-165",
  "ISO-IR-166",
  "ISO-IR-179",
  "ISO-IR-199",
  "ISO-IR-203",
  "ISO-IR-226",
  "ISO-IR-57",
  "ISO-IR-58",
  "ISO-IR-6",
  "ISO-IR-87",
  "ISO646-CN",
  "ISO646-JP",
  "ISO646-US",
  "ISO_646.IRV:1991",
  "ISO_8859-1",
  "ISO_8859-10",
  "ISO_8859-10:1992",
  "ISO_8859-13",
  "ISO_8859-14",
  "ISO_8859-14:1998",
  "ISO_8859-15",
  "ISO_8859-15:1998",
  "ISO_8859-16",
  "ISO_8859-16:2000",
  "ISO_8859-1:1987",
  "ISO_8859-2",
  "ISO_8859-2:1987",
  "ISO_8859-3",
  "ISO_8859-3:1988",
  "ISO_8859-4",
  "ISO_8859-4:1988",
  "ISO_8859-5",
  "ISO_8859-5:1988",
  "ISO_8859-6",
  "ISO_8859-6:1987",
  "ISO_8859-7",
  "ISO_8859-7:1987",
  "ISO_8859-8",
  "ISO_8859-8:1988",
  "ISO_8859-9",
  "ISO_8859-9:1989",
  "JAVA",
  "JIS0208",
  "JISX0201-1976",
  "JIS_C6220-1969-RO",
  "JIS_C6226-1983",
  "JIS_X0201",
  "JIS_X0208",
  "JIS_X0208-1983",
  "JIS_X0208-1990",
  "JIS_X0212",
  "JIS_X0212-1990",
  "JIS_X0212.1990-0",
  "JOHAB",
  "JP",
  "KOI8-R",
  "KOI8-RU",
  "KOI8-T",
  "KOI8-U",
  "KOREAN",
  "KSC_5601",
  "KS_C_5601-1987",
  "KS_C_5601-1989",
  "L1",
  "L2",
  "L3",
  "L4",
  "L5",
  "L6",
  "L7",
  "L8",
  "LATIN1",
  "LATIN2",
  "LATIN3",
  "LATIN4",
  "LATIN5",
  "LATIN6",
  "LATIN7",
  "LATIN8",
  "MAC",
  "MACARABIC",
  "MACCENTRALEUROPE",
  "MACCROATIAN",
  "MACCYRILLIC",
  "MACGREEK",
  "MACHEBREW",
  "MACICELAND",
  "MACINTOSH",
  "MACROMAN",
  "MACROMANIA",
  "MACTHAI",
  "MACTURKISH",
  "MACUKRAINE",
  "MS-ANSI",
  "MS-ARAB",
  "MS-CYRL",
  "MS-EE",
  "MS-GREEK",
  "MS-HEBR",
  "MS-TURK",
  "MS_KANJI",
  "MULELAO-1",
  "NEXTSTEP",
  "R8",
  "ROMAN8",
  "SHIFT-JIS",
  "SHIFT_JIS",
  "SJIS",
  "TCVN",
  "TCVN-5712",
  "TCVN5712-1",
  "TCVN5712-1:1993",
  "TIS-620",
  "TIS620",
  "TIS620-0",
  "TIS620.2529-1",
  "TIS620.2533-0",
  "TIS620.2533-1",
  "UCS-2",
  "UCS-2-INTERNAL",
  "UCS-2-SWAPPED",
  "UCS-2BE",
  "UCS-2LE",
  "UCS-4",
  "UCS-4-INTERNAL",
  "UCS-4-SWAPPED",
  "UCS-4BE",
  "UCS-4LE",
  "UHC",
  "UNICODE-1-1",
  "UNICODE-1-1-UTF-7",
  "UNICODEBIG",
  "UNICODELITTLE",
  "US",
  "US-ASCII",
  "UTF-16",
  "UTF-16BE",
  "UTF-16LE",
  "UTF-32",
  "UTF-32BE",
  "UTF-32LE",
  "UTF-7",
  "UTF-8",
  "VISCII",
  "VISCII1.1-1",
  "WINBALTRIM",
  "WINDOWS-1250",
  "WINDOWS-1251",
  "WINDOWS-1252",
  "WINDOWS-1253",
  "WINDOWS-1254",
  "WINDOWS-1255",
  "WINDOWS-1256",
  "WINDOWS-1257",
  "WINDOWS-1258",
  "WINDOWS-874",
  "X0201",
  "X0208",
  "X0212",
};
#endif

std::vector<std::string> const g_popular_character_sets{
  "ISO-8859-15",
  "MS-ANSI",
  "US-ASCII",
  "UTF-8",
  "WINDOWS-1250",
  "WINDOWS-1252",
};

std::vector<mime_type_t> const mime_types = {
  { "application/activemessage",                              {}                                                       },
  { "application/andrew-inset",                               { "ez" }                                                 },
  { "application/applefile",                                  {}                                                       },
  { "application/atomicmail",                                 {}                                                       },
  { "application/batch-SMTP",                                 {}                                                       },
  { "application/beep+xml",                                   {}                                                       },
  { "application/cals-1840",                                  {}                                                       },
  { "application/commonground",                               {}                                                       },
  { "application/cu-seeme",                                   { "csm", "cu" }                                          },
  { "application/cybercash",                                  {}                                                       },
  { "application/dca-rft",                                    {}                                                       },
  { "application/dec-dx",                                     {}                                                       },
  { "application/dsptype",                                    { "tsp" }                                                },
  { "application/dvcs",                                       {}                                                       },
  { "application/edi-consent",                                {}                                                       },
  { "application/EDI-Consent",                                {}                                                       },
  { "application/edifact",                                    {}                                                       },
  { "application/EDIFACT",                                    {}                                                       },
  { "application/edi-x12",                                    {}                                                       },
  { "application/EDI-X12",                                    {}                                                       },
  { "application/eshop",                                      {}                                                       },
  { "application/font-tdpfr",                                 {}                                                       },
  { "application/futuresplash",                               { "spl" }                                                },
  { "application/ghostview",                                  {}                                                       },
  { "application/hta",                                        { "hta" }                                                },
  { "application/http",                                       {}                                                       },
  { "application/hyperstudio",                                {}                                                       },
  { "application/iges",                                       {}                                                       },
  { "application/index",                                      {}                                                       },
  { "application/index.cmd",                                  {}                                                       },
  { "application/index.obj",                                  {}                                                       },
  { "application/index.response",                             {}                                                       },
  { "application/index.vnd",                                  {}                                                       },
  { "application/iotp",                                       {}                                                       },
  { "application/ipp",                                        {}                                                       },
  { "application/isup",                                       {}                                                       },
  { "application/mac-binhex40",                               { "hqx" }                                                },
  { "application/mac-compactpro",                             { "cpt" }                                                },
  { "application/macwriteii",                                 {}                                                       },
  { "application/marc",                                       {}                                                       },
  { "application/mathematica",                                { "nb" }                                                 },
  { "application/mathematica-old",                            {}                                                       },
  { "application/msaccess",                                   { "mdb" }                                                },
  { "application/msword",                                     { "doc", "dot" }                                         },
  { "application/news-message-id",                            {}                                                       },
  { "application/news-transmission",                          {}                                                       },
  { "application/ocsp-request",                               {}                                                       },
  { "application/ocsp-response",                              {}                                                       },
  { "application/octet-stream",                               { "bin" }                                                },
  { "application/oda",                                        { "oda" }                                                },
  { "application/parityfec",                                  {}                                                       },
  { "application/pdf",                                        { "pdf" }                                                },
  { "application/pgp-encrypted",                              {}                                                       },
  { "application/pgp-keys",                                   { "key" }                                                },
  { "application/pgp-signature",                              { "pgp" }                                                },
  { "application/pics-rules",                                 { "prf" }                                                },
  { "application/pkcs10",                                     {}                                                       },
  { "application/pkcs7-mime",                                 {}                                                       },
  { "application/pkcs7-signature",                            {}                                                       },
  { "application/pkix-cert",                                  {}                                                       },
  { "application/pkixcmp",                                    {}                                                       },
  { "application/pkix-crl",                                   {}                                                       },
  { "application/postscript",                                 { "ps", "ai", "eps" }                                    },
  { "application/prs.alvestrand.titrax-sheet",                {}                                                       },
  { "application/prs.cww",                                    {}                                                       },
  { "application/prs.nprend",                                 {}                                                       },
  { "application/qsig",                                       {}                                                       },
  { "application/remote-printing",                            {}                                                       },
  { "application/riscos",                                     {}                                                       },
  { "application/rtf",                                        { "rtf" }                                                },
  { "application/sdp",                                        {}                                                       },
  { "application/set-payment",                                {}                                                       },
  { "application/set-payment-initiation",                     {}                                                       },
  { "application/set-registration",                           {}                                                       },
  { "application/set-registration-initiation",                {}                                                       },
  { "application/sgml",                                       {}                                                       },
  { "application/sgml-open-catalog",                          {}                                                       },
  { "application/sieve",                                      {}                                                       },
  { "application/slate",                                      {}                                                       },
  { "application/smil",                                       { "smi", "smil" }                                        },
  { "application/timestamp-query",                            {}                                                       },
  { "application/timestamp-reply",                            {}                                                       },
  { "application/vemmi",                                      {}                                                       },
  { "application/vnd.3M.Post-it-Notes",                       {}                                                       },
  { "application/vnd.accpac.simply.aso",                      {}                                                       },
  { "application/vnd.accpac.simply.imp",                      {}                                                       },
  { "application/vnd.acucobol",                               {}                                                       },
  { "application/vnd.aether.imp",                             {}                                                       },
  { "application/vnd.anser-web-certificate-issue-initiation", {}                                                       },
  { "application/vnd.anser-web-funds-transfer-initiation",    {}                                                       },
  { "application/vnd.audiograph",                             {}                                                       },
  { "application/vnd.bmi",                                    {}                                                       },
  { "application/vnd.businessobjects",                        {}                                                       },
  { "application/vnd.canon-cpdl",                             {}                                                       },
  { "application/vnd.canon-lips",                             {}                                                       },
  { "application/vnd.cinderella",                             { "cdy" }                                                },
  { "application/vnd.claymore",                               {}                                                       },
  { "application/vnd.$commerce_battelle",                     {}                                                       },
  { "application/vnd.commerce-battelle",                      {}                                                       },
  { "application/vnd.commonspace",                            {}                                                       },
  { "application/vnd.comsocaller",                            {}                                                       },
  { "application/vnd.contact.cmsg",                           {}                                                       },
  { "application/vnd.cosmocaller",                            {}                                                       },
  { "application/vnd.ctc-posml",                              {}                                                       },
  { "application/vnd.cups-postscript",                        {}                                                       },
  { "application/vnd.cups-raster",                            {}                                                       },
  { "application/vnd.cups-raw",                               {}                                                       },
  { "application/vnd.cybank",                                 {}                                                       },
  { "application/vnd.dna",                                    {}                                                       },
  { "application/vnd.dpgraph",                                {}                                                       },
  { "application/vnd.dxr",                                    {}                                                       },
  { "application/vnd.ecdis-update",                           {}                                                       },
  { "application/vnd.ecowin.chart",                           {}                                                       },
  { "application/vnd.ecowin.filerequest",                     {}                                                       },
  { "application/vnd.ecowin.fileupdate",                      {}                                                       },
  { "application/vnd.ecowin.series",                          {}                                                       },
  { "application/vnd.ecowin.seriesrequest",                   {}                                                       },
  { "application/vnd.ecowin.seriesupdate",                    {}                                                       },
  { "application/vnd.enliven",                                {}                                                       },
  { "application/vnd.epson.esf",                              {}                                                       },
  { "application/vnd.epson.msf",                              {}                                                       },
  { "application/vnd.epson.quickanime",                       {}                                                       },
  { "application/vnd.epson.salt",                             {}                                                       },
  { "application/vnd.epson.ssf",                              {}                                                       },
  { "application/vnd.ericsson.quickcall",                     {}                                                       },
  { "application/vnd.eudora.data",                            {}                                                       },
  { "application/vnd.fdf",                                    {}                                                       },
  { "application/vnd.ffsns",                                  {}                                                       },
  { "application/vnd.flographit",                             {}                                                       },
  { "application/vnd.FloGraphIt",                             {}                                                       },
  { "application/vnd.framemaker",                             {}                                                       },
  { "application/vnd.fsc.weblaunch",                          {}                                                       },
  { "application/vnd.fujitsu.oasys",                          {}                                                       },
  { "application/vnd.fujitsu.oasys2",                         {}                                                       },
  { "application/vnd.fujitsu.oasys3",                         {}                                                       },
  { "application/vnd.fujitsu.oasysgp",                        {}                                                       },
  { "application/vnd.fujitsu.oasysprs",                       {}                                                       },
  { "application/vnd.fujixerox.ddd",                          {}                                                       },
  { "application/vnd.fujixerox.docuworks",                    {}                                                       },
  { "application/vnd.fujixerox.docuworks.binder",             {}                                                       },
  { "application/vnd.fut-misnet",                             {}                                                       },
  { "application/vnd.grafeq",                                 {}                                                       },
  { "application/vnd.groove-account",                         {}                                                       },
  { "application/vnd.groove-identity-message",                {}                                                       },
  { "application/vnd.groove-injector",                        {}                                                       },
  { "application/vnd.groove-tool-message",                    {}                                                       },
  { "application/vnd.groove-tool-template",                   {}                                                       },
  { "application/vnd.groove-vcard",                           {}                                                       },
  { "application/vnd.hhe.lesson-player",                      {}                                                       },
  { "application/vnd.hp-HPGL",                                {}                                                       },
  { "application/vnd.hp-hpid",                                {}                                                       },
  { "application/vnd.hp-hps",                                 {}                                                       },
  { "application/vnd.hp-PCL",                                 {}                                                       },
  { "application/vnd.hp-PCLXL",                               {}                                                       },
  { "application/vnd.httphone",                               {}                                                       },
  { "application/vnd.hzn-3d-crossword",                       {}                                                       },
  { "application/vnd.ibm.afplinedata",                        {}                                                       },
  { "application/vnd.ibm.MiniPay",                            {}                                                       },
  { "application/vnd.ibm.modcap",                             {}                                                       },
  { "application/vnd.informix-visionary",                     {}                                                       },
  { "application/vnd.intercon.formnet",                       {}                                                       },
  { "application/vnd.intertrust.digibox",                     {}                                                       },
  { "application/vnd.intertrust.nncp",                        {}                                                       },
  { "application/vnd.intu.qbo",                               {}                                                       },
  { "application/vnd.intu.qfx",                               {}                                                       },
  { "application/vnd.irepository.package+xml",                {}                                                       },
  { "application/vnd.is-xpr",                                 {}                                                       },
  { "application/vnd.japannet-directory-service",             {}                                                       },
  { "application/vnd.japannet-jpnstore-wakeup",               {}                                                       },
  { "application/vnd.japannet-payment-wakeup",                {}                                                       },
  { "application/vnd.japannet-registration",                  {}                                                       },
  { "application/vnd.japannet-registration-wakeup",           {}                                                       },
  { "application/vnd.japannet-setstore-wakeup",               {}                                                       },
  { "application/vnd.japannet-verification",                  {}                                                       },
  { "application/vnd.japannet-verification-wakeup",           {}                                                       },
  { "application/vnd.koan",                                   {}                                                       },
  { "application/vnd.lotus-1-2-3",                            {}                                                       },
  { "application/vnd.lotus-approach",                         {}                                                       },
  { "application/vnd.lotus-freelance",                        {}                                                       },
  { "application/vnd.lotus-notes",                            {}                                                       },
  { "application/vnd.lotus-organizer",                        {}                                                       },
  { "application/vnd.lotus-screencam",                        {}                                                       },
  { "application/vnd.lotus-wordpro",                          {}                                                       },
  { "application/vnd.mcd",                                    {}                                                       },
  { "application/vnd.mediastation.cdkey",                     {}                                                       },
  { "application/vnd.meridian-slingshot",                     {}                                                       },
  { "application/vnd.mif",                                    { "mif" }                                                },
  { "application/vnd.minisoft-hp3000-save",                   {}                                                       },
  { "application/vnd.mitsubishi.misty-guard.trustweb",        {}                                                       },
  { "application/vnd.mobius.daf",                             {}                                                       },
  { "application/vnd.Mobius.DAF",                             {}                                                       },
  { "application/vnd.mobius.dis",                             {}                                                       },
  { "application/vnd.Mobius.DIS",                             {}                                                       },
  { "application/vnd.Mobius.MBK",                             {}                                                       },
  { "application/vnd.Mobius.MQY",                             {}                                                       },
  { "application/vnd.mobius.msl",                             {}                                                       },
  { "application/vnd.Mobius.MSL",                             {}                                                       },
  { "application/vnd.mobius.plc",                             {}                                                       },
  { "application/vnd.Mobius.PLC",                             {}                                                       },
  { "application/vnd.mobius.txf",                             {}                                                       },
  { "application/vnd.Mobius.TXF",                             {}                                                       },
  { "application/vnd.motorola.flexsuite",                     {}                                                       },
  { "application/vnd.motorola.flexsuite.adsi",                {}                                                       },
  { "application/vnd.motorola.flexsuite.fis",                 {}                                                       },
  { "application/vnd.motorola.flexsuite.gotap",               {}                                                       },
  { "application/vnd.motorola.flexsuite.kmr",                 {}                                                       },
  { "application/vnd.motorola.flexsuite.ttc",                 {}                                                       },
  { "application/vnd.motorola.flexsuite.wem",                 {}                                                       },
  { "application/vnd.mozilla.xul+xml",                        {}                                                       },
  { "application/vnd.ms-artgalry",                            {}                                                       },
  { "application/vnd.ms-asf",                                 {}                                                       },
  { "application/vnd.mseq",                                   {}                                                       },
  { "application/vnd.ms-excel",                               { "xls", "xlb" }                                         },
  { "application/vnd.msign",                                  {}                                                       },
  { "application/vnd.ms-lrm",                                 {}                                                       },
  { "application/vnd.ms-pki.seccat",                          { "cat" }                                                },
  { "application/vnd.ms-pki.stl",                             { "stl" }                                                },
  { "application/vnd.ms-powerpoint",                          { "ppt", "pps", "pot" }                                  },
  { "application/vnd.ms-project",                             {}                                                       },
  { "application/vnd.ms-tnef",                                {}                                                       },
  { "application/vnd.ms-works",                               {}                                                       },
  { "application/vnd.musician",                               {}                                                       },
  { "application/vnd.music-niff",                             {}                                                       },
  { "application/vnd.netfpx",                                 {}                                                       },
  { "application/vnd.noblenet-directory",                     {}                                                       },
  { "application/vnd.noblenet-sealer",                        {}                                                       },
  { "application/vnd.noblenet-web",                           {}                                                       },
  { "application/vnd.novadigm.EDM",                           {}                                                       },
  { "application/vnd.novadigm.EDX",                           {}                                                       },
  { "application/vnd.novadigm.EXT",                           {}                                                       },
  { "application/vnd.osa.netdeploy",                          {}                                                       },
  { "application/vnd.palm",                                   {}                                                       },
  { "application/vnd.pg.format",                              {}                                                       },
  { "application/vnd.pg.osasli",                              {}                                                       },
  { "application/vnd.powerbuilder6",                          {}                                                       },
  { "application/vnd.powerbuilder6-s",                        {}                                                       },
  { "application/vnd.powerbuilder7",                          {}                                                       },
  { "application/vnd.powerbuilder75",                         {}                                                       },
  { "application/vnd.powerbuilder75-s",                       {}                                                       },
  { "application/vnd.powerbuilder7-s",                        {}                                                       },
  { "application/vnd.previewsystems.box",                     {}                                                       },
  { "application/vnd.publishare-delta-tree",                  {}                                                       },
  { "application/vnd.pvi.ptid1",                              {}                                                       },
  { "application/vnd.pwg-xhtml-print+xml",                    {}                                                       },
  { "application/vnd.rapid",                                  {}                                                       },
  { "application/vnd.s3sms",                                  {}                                                       },
  { "application/vnd.seemail",                                {}                                                       },
  { "application/vnd.shana.informed.formdata",                {}                                                       },
  { "application/vnd.shana.informed.formtemplate",            {}                                                       },
  { "application/vnd.shana.informed.interchange",             {}                                                       },
  { "application/vnd.shana.informed.package",                 {}                                                       },
  { "application/vnd.sss-cod",                                {}                                                       },
  { "application/vnd.sss-dtf",                                {}                                                       },
  { "application/vnd.sss-ntf",                                {}                                                       },
  { "application/vnd.stardivision.calc",                      { "sdc" }                                                },
  { "application/vnd.stardivision.draw",                      { "sda" }                                                },
  { "application/vnd.stardivision.impress",                   { "sdd", "sdp" }                                         },
  { "application/vnd.stardivision.math",                      { "smf" }                                                },
  { "application/vnd.stardivision.writer",                    { "sdw", "vor" }                                         },
  { "application/vnd.stardivision.writer-global",             { "sgl" }                                                },
  { "application/vnd.street-stream",                          {}                                                       },
  { "application/vnd.sun.xml.calc",                           { "sxc" }                                                },
  { "application/vnd.sun.xml.calc.template",                  { "stc" }                                                },
  { "application/vnd.sun.xml.draw",                           { "sxd" }                                                },
  { "application/vnd.sun.xml.draw.template",                  { "std" }                                                },
  { "application/vnd.sun.xml.impress",                        { "sxi" }                                                },
  { "application/vnd.sun.xml.impress.template",               { "sti" }                                                },
  { "application/vnd.sun.xml.math",                           { "sxm" }                                                },
  { "application/vnd.sun.xml.writer",                         { "sxw" }                                                },
  { "application/vnd.sun.xml.writer.global",                  { "sxg" }                                                },
  { "application/vnd.sun.xml.writer.template",                { "stw" }                                                },
  { "application/vnd.svd",                                    {}                                                       },
  { "application/vnd.swiftview-ics",                          {}                                                       },
  { "application/vnd.triscape.mxs",                           {}                                                       },
  { "application/vnd.trueapp",                                {}                                                       },
  { "application/vnd.truedoc",                                {}                                                       },
  { "application/vnd.tve-trigger",                            {}                                                       },
  { "application/vnd.ufdl",                                   {}                                                       },
  { "application/vnd.uplanet.alert",                          {}                                                       },
  { "application/vnd.uplanet.alert-wbxml",                    {}                                                       },
  { "application/vnd.uplanet.bearer-choice",                  {}                                                       },
  { "application/vnd.uplanet.bearer-choice-wbxml",            {}                                                       },
  { "application/vnd.uplanet.cacheop",                        {}                                                       },
  { "application/vnd.uplanet.cacheop-wbxml",                  {}                                                       },
  { "application/vnd.uplanet.channel",                        {}                                                       },
  { "application/vnd.uplanet.channel-wbxml",                  {}                                                       },
  { "application/vnd.uplanet.list",                           {}                                                       },
  { "application/vnd.uplanet.listcmd",                        {}                                                       },
  { "application/vnd.uplanet.listcmd-wbxml",                  {}                                                       },
  { "application/vnd.uplanet.list-wbxml",                     {}                                                       },
  { "application/vnd.uplanet.signal",                         {}                                                       },
  { "application/vnd.vcx",                                    {}                                                       },
  { "application/vnd.vectorworks",                            {}                                                       },
  { "application/vnd.vidsoft.vidconference",                  {}                                                       },
  { "application/vnd.visio",                                  {}                                                       },
  { "application/vnd.vividence.scriptfile",                   {}                                                       },
  { "application/vnd.wap.sic",                                {}                                                       },
  { "application/vnd.wap.slc",                                {}                                                       },
  { "application/vnd.wap.wbxml",                              { "wbxml" }                                              },
  { "application/vnd.wap.wmlc",                               { "wmlc" }                                               },
  { "application/vnd.wap.wmlscriptc",                         { "wmlsc" }                                              },
  { "application/vnd.webturbo",                               {}                                                       },
  { "application/vnd.wrq-hp3000-labelled",                    {}                                                       },
  { "application/vnd.wt.stf",                                 {}                                                       },
  { "application/vnd.xara",                                   {}                                                       },
  { "application/vnd.xfdl",                                   {}                                                       },
  { "application/vnd.yellowriver-custom-menu",                {}                                                       },
  { "application/whoispp-query",                              {}                                                       },
  { "application/whoispp-response",                           {}                                                       },
  { "application/wita",                                       {}                                                       },
  { "application/wordperfect5.1",                             { "wp5" }                                                },
  { "application/x-123",                                      { "wk" }                                                 },
  { "application/x400-bp",                                    {}                                                       },
  { "application/x-bcpio",                                    { "bcpio" }                                              },
  { "application/x-cdf",                                      { "cdf" }                                                },
  { "application/x-cdlink",                                   { "vcd" }                                                },
  { "application/x-chess-pgn",                                { "pgn" }                                                },
  { "application/x-core",                                     {}                                                       },
  { "application/x-cpio",                                     { "cpio" }                                               },
  { "application/x-csh",                                      { "csh" }                                                },
  { "application/x-debian-package",                           { "deb" }                                                },
  { "application/x-director",                                 { "dcr", "dir", "dxr" }                                  },
  { "application/x-dms",                                      { "dms" }                                                },
  { "application/x-doom",                                     { "wad" }                                                },
  { "application/x-dvi",                                      { "dvi" }                                                },
  { "application/x-executable",                               {}                                                       },
  { "application/x-font",                                     { "pfa", "pfb", "gsf", "pcf", "pcf.Z" }                  },
  { "application/x-futuresplash",                             { "spl" }                                                },
  { "application/x-gnumeric",                                 { "gnumeric" }                                           },
  { "application/x-graphing-calculator",                      { "gcf" }                                                },
  { "application/x-gtar",                                     { "gtar", "tgz", "taz" }                                 },
  { "application/x-hdf",                                      { "hdf" }                                                },
  { "application/xhtml+xml",                                  { "xht", "xhtml" }                                       },
  { "application/x-httpd-php",                                { "phtml", "pht", "php" }                                },
  { "application/x-httpd-php3",                               { "php3" }                                               },
  { "application/x-httpd-php3-preprocessed",                  { "php3p" }                                              },
  { "application/x-httpd-php4",                               { "php4" }                                               },
  { "application/x-httpd-php-source",                         { "phps" }                                               },
  { "application/x-ica",                                      { "ica" }                                                },
  { "application/x-internet-signup",                          { "ins", "isp" }                                         },
  { "application/x-iphone",                                   { "iii" }                                                },
  { "application/x-java-applet",                              {}                                                       },
  { "application/x-java-archive",                             { "jar" }                                                },
  { "application/x-java-bean",                                {}                                                       },
  { "application/x-java-jnlp-file",                           { "jnlp" }                                               },
  { "application/x-javascript",                               { "js" }                                                 },
  { "application/x-java-serialized-object",                   { "ser" }                                                },
  { "application/x-java-vm",                                  { "class" }                                              },
  { "application/x-kchart",                                   { "chrt" }                                               },
  { "application/x-kdelnk",                                   {}                                                       },
  { "application/x-killustrator",                             { "kil" }                                                },
  { "application/x-koan",                                     { "skp", "skd", "skt", "skm" }                           },
  { "application/x-kpresenter",                               { "kpr", "kpt" }                                         },
  { "application/x-kspread",                                  { "ksp" }                                                },
  { "application/x-kword",                                    { "kwd", "kwt" }                                         },
  { "application/x-latex",                                    { "latex" }                                              },
  { "application/x-lha",                                      { "lha" }                                                },
  { "application/x-lzh",                                      { "lzh" }                                                },
  { "application/x-lzx",                                      { "lzx" }                                                },
  { "application/x-maker",                                    { "frm", "maker", "frame", "fm", "fb", "book", "fbdoc" } },
  { "application/x-mif",                                      { "mif" }                                                },
  { "application/xml",                                        {}                                                       },
  { "application/xml-dtd",                                    {}                                                       },
  { "application/xml-external-parsed-entity",                 {}                                                       },
  { "application/x-msdos-program",                            { "com", "exe", "bat", "dll" }                           },
  { "application/x-msi",                                      { "msi" }                                                },
  { "application/x-ms-wmd",                                   { "wmd" }                                                },
  { "application/x-ms-wmz",                                   { "wmz" }                                                },
  { "application/x-netcdf",                                   { "nc" }                                                 },
  { "application/x-ns-proxy-autoconfig",                      { "pac" }                                                },
  { "application/x-object",                                   { "o" }                                                  },
  { "application/x-ogg",                                      {}                                                       },
  { "application/x-oz-application",                           { "oza" }                                                },
  { "application/x-perl",                                     { "pl", "pm" }                                           },
  { "application/x-pkcs7-certreqresp",                        { "p7r" }                                                },
  { "application/x-pkcs7-crl",                                { "crl" }                                                },
  { "application/x-quicktimeplayer",                          { "qtl" }                                                },
  { "application/x-redhat-package-manager",                   { "rpm" }                                                },
  { "application/x-rx",                                       {}                                                       },
  { "application/x-sh",                                       { "sh" }                                                 },
  { "application/x-shar",                                     { "shar" }                                               },
  { "application/x-shellscript",                              {}                                                       },
  { "application/x-shockwave-flash",                          { "swf", "swfl" }                                        },
  { "application/x-stuffit",                                  { "sit" }                                                },
  { "application/x-sv4cpio",                                  { "sv4cpio" }                                            },
  { "application/x-sv4crc",                                   { "sv4crc" }                                             },
  { "application/x-tar",                                      { "tar" }                                                },
  { "application/x-tcl",                                      { "tcl" }                                                },
  { "application/x-tex",                                      { "tex" }                                                },
  { "application/x-tex-gf",                                   { "gf" }                                                 },
  { "application/x-texinfo",                                  { "texinfo", "texi" }                                    },
  { "application/x-tex-pk",                                   { "pk" }                                                 },
  { "application/x-trash",                                    { "~", "%", "bak", "old", "sik" }                        },
  { "application/x-troff",                                    { "t", "tr", "roff" }                                    },
  { "application/x-troff-man",                                { "man" }                                                },
  { "application/x-troff-me",                                 { "me" }                                                 },
  { "application/x-troff-ms",                                 { "ms" }                                                 },
  { "application/x-truetype-font",                            { "ttf", "otf", "ttc" }                                  },
  { "application/x-ustar",                                    { "ustar" }                                              },
  { "application/x-wais-source",                              { "src" }                                                },
  { "application/x-wingz",                                    { "wz" }                                                 },
  { "application/x-x509-ca-cert",                             { "crt" }                                                },
  { "application/x-xfig",                                     { "fig" }                                                },
  { "application/zip",                                        { "zip" }                                                },
  { "audio/32kadpcm",                                         {}                                                       },
  { "audio/basic",                                            { "au", "snd" }                                          },
  { "audio/DAT12",                                            {}                                                       },
  { "audio/g.722.1",                                          {}                                                       },
  { "audio/G.722.1",                                          {}                                                       },
  { "audio/l16",                                              {}                                                       },
  { "audio/L16",                                              {}                                                       },
  { "audio/L20",                                              {}                                                       },
  { "audio/L24",                                              {}                                                       },
  { "audio/midi",                                             { "mid", "midi", "kar" }                                 },
  { "audio/mp4a-latm",                                        {}                                                       },
  { "audio/MP4A-LATM",                                        {}                                                       },
  { "audio/mpa-robust",                                       {}                                                       },
  { "audio/mpeg",                                             { "mpga", "mpega", "mp2", "mp3" }                        },
  { "audio/mpegurl",                                          { "m3u" }                                                },
  { "audio/parityfec",                                        {}                                                       },
  { "audio/prs.sid",                                          { "sid" }                                                },
  { "audio/telephone-event",                                  {}                                                       },
  { "audio/tone",                                             {}                                                       },
  { "audio/vnd.cisco.nse",                                    {}                                                       },
  { "audio/vnd.cns.anp1",                                     {}                                                       },
  { "audio/vnd.cns.inf1",                                     {}                                                       },
  { "audio/vnd.digital-winds",                                {}                                                       },
  { "audio/vnd.everad.plj",                                   {}                                                       },
  { "audio/vnd.lucent.voice",                                 {}                                                       },
  { "audio/vnd.nortel.vbk",                                   {}                                                       },
  { "audio/vnd.nuera.ecelp4800",                              {}                                                       },
  { "audio/vnd.nuera.ecelp7470",                              {}                                                       },
  { "audio/vnd.nuera.ecelp9600",                              {}                                                       },
  { "audio/vnd.octel.sbc",                                    {}                                                       },
  { "audio/vnd.qcelp",                                        {}                                                       },
  { "audio/vnd.rhetorex.32kadpcm",                            {}                                                       },
  { "audio/vnd.vmx.cvsd",                                     {}                                                       },
  { "audio/x-aiff",                                           { "aif", "aiff", "aifc" }                                },
  { "audio/x-gsm",                                            { "gsm" }                                                },
  { "audio/x-mpegurl",                                        { "m3u" }                                                },
  { "audio/x-ms-wax",                                         { "wax" }                                                },
  { "audio/x-ms-wma",                                         { "wma" }                                                },
  { "audio/x-pn-realaudio",                                   { "rm", "ram" }                                          },
  { "audio/x-pn-realaudio-plugin",                            { "rpm" }                                                },
  { "audio/x-realaudio",                                      { "ra" }                                                 },
  { "audio/x-scpls",                                          { "pls" }                                                },
  { "audio/x-sd2",                                            { "sd2" }                                                },
  { "audio/x-wav",                                            { "wav" }                                                },
  { "chemical/x-pdb",                                         { "pdb" }                                                },
  { "chemical/x-xyz",                                         { "xyz" }                                                },
  { "image/bmp",                                              { "bmp" }                                                },
  { "image/cgm",                                              {}                                                       },
  { "image/cgmComputerGraphicsMetafile",                      {}                                                       },
  { "image/g3fax",                                            {}                                                       },
  { "image/gif",                                              { "gif" }                                                },
  { "image/ief",                                              { "ief" }                                                },
  { "image/iefImageExchangeFormat",                           {}                                                       },
  { "image/jpeg",                                             { "jpeg", "jpg", "jpe" }                                 },
  { "image/naplps",                                           {}                                                       },
  { "image/pcx",                                              { "pcx" }                                                },
  { "image/png",                                              { "png" }                                                },
  { "image/prs.btif",                                         {}                                                       },
  { "image/prs.pti",                                          {}                                                       },
  { "image/svg+xml",                                          { "svg", "svgz" }                                        },
  { "image/tiff",                                             { "tiff", "tif" }                                        },
  { "image/tiffTagImageFileFormat",                           {}                                                       },
  { "image/vnd.cns.inf2",                                     {}                                                       },
  { "image/vnd.dwg",                                          {}                                                       },
  { "image/vnd.dxf",                                          {}                                                       },
  { "image/vnd.fastbidsheet",                                 {}                                                       },
  { "image/vnd.fpx",                                          {}                                                       },
  { "image/vnd.fst",                                          {}                                                       },
  { "image/vnd.fujixerox.edmics-mmr",                         {}                                                       },
  { "image/vnd.fujixerox.edmics-rlc",                         {}                                                       },
  { "image/vnd.mix",                                          {}                                                       },
  { "image/vnd.net-fpx",                                      {}                                                       },
  { "image/vnd.svf",                                          {}                                                       },
  { "image/vnd.wap.wbmp",                                     { "wbmp" }                                               },
  { "image/vnd.xiff",                                         {}                                                       },
  { "image/x-cmu-raster",                                     { "ras" }                                                },
  { "image/x-coreldraw",                                      { "cdr" }                                                },
  { "image/x-coreldrawpattern",                               { "pat" }                                                },
  { "image/x-coreldrawtemplate",                              { "cdt" }                                                },
  { "image/x-corelphotopaint",                                { "cpt" }                                                },
  { "image/x-djvu",                                           { "djvu", "djv" }                                        },
  { "image/x-jg",                                             { "art" }                                                },
  { "image/x-jng",                                            { "jng" }                                                },
  { "image/x-ms-bmp",                                         { "bmp" }                                                },
  { "image/x-photoshop",                                      { "psd" }                                                },
  { "image/x-portable-anymap",                                { "pnm" }                                                },
  { "image/x-portable-bitmap",                                { "pbm" }                                                },
  { "image/x-portable-graymap",                               { "pgm" }                                                },
  { "image/x-portable-pixmap",                                { "ppm" }                                                },
  { "image/x-rgb",                                            { "rgb" }                                                },
  { "image/x-xbitmap",                                        { "xbm" }                                                },
  { "image/x-xpixmap",                                        { "xpm" }                                                },
  { "image/x-xwindowdump",                                    { "xwd" }                                                },
  { "inode/blockdevice",                                      {}                                                       },
  { "inode/chardevice",                                       {}                                                       },
  { "inode/directory",                                        {}                                                       },
  { "inode/directory-locked",                                 {}                                                       },
  { "inode/fifo",                                             {}                                                       },
  { "inode/socket",                                           {}                                                       },
  { "message/delivery-status",                                {}                                                       },
  { "message/disposition-notification",                       {}                                                       },
  { "message/external-body",                                  {}                                                       },
  { "message/http",                                           {}                                                       },
  { "message/news",                                           {}                                                       },
  { "message/partial",                                        {}                                                       },
  { "message/rfc822",                                         {}                                                       },
  { "message/s-http",                                         {}                                                       },
  { "model/iges",                                             { "igs", "iges" }                                        },
  { "model/mesh",                                             { "msh", "mesh", "silo" }                                },
  { "model/vnd.dwf",                                          {}                                                       },
  { "model/vnd.flatland.3dml",                                {}                                                       },
  { "model/vnd.gdl",                                          {}                                                       },
  { "model/vnd.gs-gdl",                                       {}                                                       },
  { "model/vnd.gtw",                                          {}                                                       },
  { "model/vnd.mts",                                          {}                                                       },
  { "model/vnd.parasolid.transmit.binary",                    {}                                                       },
  { "model/vnd.parasolid.transmit.text",                      {}                                                       },
  { "model/vnd.vtu",                                          {}                                                       },
  { "model/vrml",                                             { "wrl", "vrml" }                                        },
  { "multipart/alternative",                                  {}                                                       },
  { "multipart/appledouble",                                  {}                                                       },
  { "multipart/byteranges",                                   {}                                                       },
  { "multipart/digest",                                       {}                                                       },
  { "multipart/encrypted",                                    {}                                                       },
  { "multipart/form-data",                                    {}                                                       },
  { "multipart/header-set",                                   {}                                                       },
  { "multipart/mixed",                                        {}                                                       },
  { "multipart/parallel",                                     {}                                                       },
  { "multipart/related",                                      {}                                                       },
  { "multipart/report",                                       {}                                                       },
  { "multipart/signed",                                       {}                                                       },
  { "multipart/voice-message",                                {}                                                       },
  { "text/calendar",                                          {}                                                       },
  { "text/comma-separated-values",                            { "csv" }                                                },
  { "text/css",                                               { "css" }                                                },
  { "text/directory",                                         {}                                                       },
  { "text/english",                                           {}                                                       },
  { "text/enriched",                                          {}                                                       },
  { "text/h323",                                              { "323" }                                                },
  { "text/html",                                              { "htm", "html", "mht" }                                 },
  { "text/iuls",                                              { "uls" }                                                },
  { "text/mathml",                                            { "mml" }                                                },
  { "text/parityfec",                                         {}                                                       },
  { "text/plain",                                             { "asc", "avs", "txt", "text", "diff", "cue" }           },
  { "text/prs.lines.tag",                                     {}                                                       },
  { "text/rfc822-headers",                                    {}                                                       },
  { "text/richtext",                                          { "rtx" }                                                },
  { "text/rtf",                                               { "rtf" }                                                },
  { "text/scriptlet",                                         { "sct", "wsc" }                                         },
  { "text/sgml",                                              {}                                                       },
  { "text/t140",                                              {}                                                       },
  { "text/tab-separated-values",                              { "tsv" }                                                },
  { "text/texmacs",                                           { "tm", "ts" }                                           },
  { "text/uri-list",                                          {}                                                       },
  { "text/vnd.abc",                                           {}                                                       },
  { "text/vnd.curl",                                          {}                                                       },
  { "text/vnd.DMClientScript",                                {}                                                       },
  { "text/vnd.flatland.3dml",                                 {}                                                       },
  { "text/vnd.fly",                                           {}                                                       },
  { "text/vnd.fmi.flexstor",                                  {}                                                       },
  { "text/vnd.in3d.3dml",                                     {}                                                       },
  { "text/vnd.in3d.spot",                                     {}                                                       },
  { "text/vnd.IPTC.NewsML",                                   {}                                                       },
  { "text/vnd.IPTC.NITF",                                     {}                                                       },
  { "text/vnd.latex-z",                                       {}                                                       },
  { "text/vnd.motorola.reflex",                               {}                                                       },
  { "text/vnd.ms-mediapackage",                               {}                                                       },
  { "text/vnd.wap.si",                                        {}                                                       },
  { "text/vnd.wap.sl",                                        {}                                                       },
  { "text/vnd.wap.wml",                                       { "wml" }                                                },
  { "text/vnd.wap.wmlscript",                                 { "wmls" }                                               },
  { "text/x-chdr",                                            { "h" }                                                  },
  { "text/x-c++hdr",                                          { "h++", "hpp", "hxx", "hh" }                            },
  { "text/x-crontab",                                         {}                                                       },
  { "text/x-csh",                                             { "csh" }                                                },
  { "text/x-csrc",                                            { "c" }                                                  },
  { "text/x-c++src",                                          { "c++", "cpp", "cxx", "cc" }                            },
  { "text/x-java",                                            { "java" }                                               },
  { "text/x-makefile",                                        {}                                                       },
  { "text/xml",                                               { "xml", "xsl" }                                         },
  { "text/xml-external-parsed-entity",                        {}                                                       },
  { "text/x-moc",                                             { "moc" }                                                },
  { "text/x-pascal",                                          { "p", "pas" }                                           },
  { "text/x-server-parsed-html",                              { "shtml" }                                              },
  { "text/x-setext",                                          { "etx" }                                                },
  { "text/x-sh",                                              { "sh" }                                                 },
  { "text/x-tcl",                                             { "tcl", "tk" }                                          },
  { "text/x-tex",                                             { "tex", "ltx", "sty", "cls" }                           },
  { "text/x-vcalendar",                                       { "vcs" }                                                },
  { "text/x-vcard",                                           { "vcf" }                                                },
  { "video/dl",                                               { "dl" }                                                 },
  { "video/fli",                                              { "fli" }                                                },
  { "video/gl",                                               { "gl" }                                                 },
  { "video/mp4v-es",                                          {}                                                       },
  { "video/MP4V-ES",                                          {}                                                       },
  { "video/mpeg",                                             { "mpeg", "mpg", "mpe" }                                 },
  { "video/parityfec",                                        {}                                                       },
  { "video/pointer",                                          {}                                                       },
  { "video/quicktime",                                        { "qt", "mov" }                                          },
  { "video/vnd.fvt",                                          {}                                                       },
  { "video/vnd.motorola.video",                               {}                                                       },
  { "video/vnd.motorola.videop",                              {}                                                       },
  { "video/vnd.mpegurl",                                      { "mxu" }                                                },
  { "video/vnd.mts",                                          {}                                                       },
  { "video/vnd.nokia.interleaved-multimedia",                 {}                                                       },
  { "video/vnd.vivo",                                         {}                                                       },
  { "video/x-dv",                                             { "dif", "dv" }                                          },
  { "video/x-la-asf",                                         { "lsf", "lsx" }                                         },
  { "video/x-mng",                                            { "mng" }                                                },
  { "video/x-ms-asf",                                         { "asf", "asx" }                                         },
  { "video/x-msvideo",                                        { "avi" }                                                },
  { "video/x-ms-wm",                                          { "wm" }                                                 },
  { "video/x-ms-wmv",                                         { "wmv" }                                                },
  { "video/x-ms-wmx",                                         { "wmx" }                                                },
  { "video/x-ms-wvx",                                         { "wvx" }                                                },
  { "video/x-sgi-movie",                                      { "movie" }                                              },
  { "x-conference/x-cooltalk",                                { "ice" }                                                },
  { "x-world/x-vrml",                                         { "vrm", "vrml", "wrl" }                                 },
};

std::vector<iso3166_1alpha_2_t> const g_cctlds = {
  { "ad", "Andorra"                                              },
  { "ae", "United Arab Emirates"                                 },
  { "af", "Afghanistan"                                          },
  { "ag", "Antigua and Barbuda"                                  },
  { "ai", "Anguilla"                                             },
  { "al", "Albania"                                              },
  { "am", "Armenia"                                              },
  { "ao", "Angola"                                               },
  { "aq", "Antarctica"                                           },
  { "ar", "Argentina"                                            },
  { "as", "American Samoa"                                       },
  { "at", "Austria"                                              },
  { "au", "Australia"                                            },
  { "aw", "Aruba"                                                },
  { "ax", "Åland Islands"                                        },
  { "az", "Azerbaijan"                                           },
  { "ba", "Bosnia and Herzegovina"                               },
  { "bb", "Barbados"                                             },
  { "bd", "Bangladesh"                                           },
  { "be", "Belgium"                                              },
  { "bf", "Burkina Faso"                                         },
  { "bg", "Bulgaria"                                             },
  { "bh", "Bahrain"                                              },
  { "bi", "Burundi"                                              },
  { "bj", "Benin"                                                },
  { "bl", "Saint Barthélemy"                                     },
  { "bm", "Bermuda"                                              },
  { "bn", "Brunei Darussalam"                                    },
  { "bo", "Bolivia, Plurinational State of"                      },
  { "bq", "Bonaire, Sint Eustatius and Saba"                     },
  { "br", "Brazil"                                               },
  { "bs", "Bahamas"                                              },
  { "bt", "Bhutan"                                               },
  { "bv", "Bouvet Island"                                        },
  { "bw", "Botswana"                                             },
  { "by", "Belarus"                                              },
  { "bz", "Belize"                                               },
  { "ca", "Canada"                                               },
  { "cc", "Cocos (Keeling) Islands"                              },
  { "cd", "Congo, the Democratic Republic of the"                },
  { "cf", "Central African Republic"                             },
  { "cg", "Congo"                                                },
  { "ch", "Switzerland"                                          },
  { "ci", "Côte d'Ivoire"                                        },
  { "ck", "Cook Islands"                                         },
  { "cl", "Chile"                                                },
  { "cm", "Cameroon"                                             },
  { "cn", "China"                                                },
  { "co", "Colombia"                                             },
  { "cr", "Costa Rica"                                           },
  { "cu", "Cuba"                                                 },
  { "cv", "Cabo Verde"                                           },
  { "cw", "Curaçao"                                              },
  { "cx", "Christmas Island"                                     },
  { "cy", "Cyprus"                                               },
  { "cz", "Czech Republic"                                       },
  { "de", "Germany"                                              },
  { "dj", "Djibouti"                                             },
  { "dk", "Denmark"                                              },
  { "dm", "Dominica"                                             },
  { "do", "Dominican Republic"                                   },
  { "dz", "Algeria"                                              },
  { "ec", "Ecuador"                                              },
  { "ee", "Estonia"                                              },
  { "eg", "Egypt"                                                },
  { "eh", "Western Sahara"                                       },
  { "er", "Eritrea"                                              },
  { "es", "Spain"                                                },
  { "et", "Ethiopia"                                             },
  { "fi", "Finland"                                              },
  { "fj", "Fiji"                                                 },
  { "fk", "Falkland Islands (Malvinas)"                          },
  { "fm", "Micronesia, Federated States of"                      },
  { "fo", "Faroe Islands"                                        },
  { "fr", "France"                                               },
  { "ga", "Gabon"                                                },
  { "gb", "United Kingdom of Great Britain and Northern Ireland" },
  { "gd", "Grenada"                                              },
  { "ge", "Georgia"                                              },
  { "gf", "French Guiana"                                        },
  { "gg", "Guernsey"                                             },
  { "gh", "Ghana"                                                },
  { "gi", "Gibraltar"                                            },
  { "gl", "Greenland"                                            },
  { "gm", "Gambia"                                               },
  { "gn", "Guinea"                                               },
  { "gp", "Guadeloupe"                                           },
  { "gq", "Equatorial Guinea"                                    },
  { "gr", "Greece"                                               },
  { "gs", "South Georgia and the South Sandwich Islands"         },
  { "gt", "Guatemala"                                            },
  { "gu", "Guam"                                                 },
  { "gw", "Guinea-Bissau"                                        },
  { "gy", "Guyana"                                               },
  { "hk", "Hong Kong"                                            },
  { "hm", "Heard Island and McDonald Islands"                    },
  { "hn", "Honduras"                                             },
  { "hr", "Croatia"                                              },
  { "ht", "Haiti"                                                },
  { "hu", "Hungary"                                              },
  { "id", "Indonesia"                                            },
  { "ie", "Ireland"                                              },
  { "il", "Israel"                                               },
  { "im", "Isle of Man"                                          },
  { "in", "India"                                                },
  { "io", "British Indian Ocean Territory"                       },
  { "iq", "Iraq"                                                 },
  { "ir", "Iran, Islamic Republic of"                            },
  { "is", "Iceland"                                              },
  { "it", "Italy"                                                },
  { "je", "Jersey"                                               },
  { "jm", "Jamaica"                                              },
  { "jo", "Jordan"                                               },
  { "jp", "Japan"                                                },
  { "ke", "Kenya"                                                },
  { "kg", "Kyrgyzstan"                                           },
  { "kh", "Cambodia"                                             },
  { "ki", "Kiribati"                                             },
  { "km", "Comoros"                                              },
  { "kn", "Saint Kitts and Nevis"                                },
  { "kp", "Korea, Democratic People's Republic of"               },
  { "kr", "Korea, Republic of"                                   },
  { "kw", "Kuwait"                                               },
  { "ky", "Cayman Islands"                                       },
  { "kz", "Kazakhstan"                                           },
  { "la", "Lao People's Democratic Republic"                     },
  { "lb", "Lebanon"                                              },
  { "lc", "Saint Lucia"                                          },
  { "li", "Liechtenstein"                                        },
  { "lk", "Sri Lanka"                                            },
  { "lr", "Liberia"                                              },
  { "ls", "Lesotho"                                              },
  { "lt", "Lithuania"                                            },
  { "lu", "Luxembourg"                                           },
  { "lv", "Latvia"                                               },
  { "ly", "Libya"                                                },
  { "ma", "Morocco"                                              },
  { "mc", "Monaco"                                               },
  { "md", "Moldova, Republic of"                                 },
  { "me", "Montenegro"                                           },
  { "mf", "Saint Martin (French part)"                           },
  { "mg", "Madagascar"                                           },
  { "mh", "Marshall Islands"                                     },
  { "mk", "Macedonia, the former Yugoslav Republic of"           },
  { "ml", "Mali"                                                 },
  { "mm", "Myanmar"                                              },
  { "mn", "Mongolia"                                             },
  { "mo", "Macao"                                                },
  { "mp", "Northern Mariana Islands"                             },
  { "mq", "Martinique"                                           },
  { "mr", "Mauritania"                                           },
  { "ms", "Montserrat"                                           },
  { "mt", "Malta"                                                },
  { "mu", "Mauritius"                                            },
  { "mv", "Maldives"                                             },
  { "mw", "Malawi"                                               },
  { "mx", "Mexico"                                               },
  { "my", "Malaysia"                                             },
  { "mz", "Mozambique"                                           },
  { "na", "Namibia"                                              },
  { "nc", "New Caledonia"                                        },
  { "ne", "Niger"                                                },
  { "nf", "Norfolk Island"                                       },
  { "ng", "Nigeria"                                              },
  { "ni", "Nicaragua"                                            },
  { "nl", "Netherlands"                                          },
  { "no", "Norway"                                               },
  { "np", "Nepal"                                                },
  { "nr", "Nauru"                                                },
  { "nu", "Niue"                                                 },
  { "nz", "New Zealand"                                          },
  { "om", "Oman"                                                 },
  { "pa", "Panama"                                               },
  { "pe", "Peru"                                                 },
  { "pf", "French Polynesia"                                     },
  { "pg", "Papua New Guinea"                                     },
  { "ph", "Philippines"                                          },
  { "pk", "Pakistan"                                             },
  { "pl", "Poland"                                               },
  { "pm", "Saint Pierre and Miquelon"                            },
  { "pn", "Pitcairn"                                             },
  { "pr", "Puerto Rico"                                          },
  { "ps", "Palestine, State of"                                  },
  { "pt", "Portugal"                                             },
  { "pw", "Palau"                                                },
  { "py", "Paraguay"                                             },
  { "qa", "Qatar"                                                },
  { "re", "Réunion"                                              },
  { "ro", "Romania"                                              },
  { "rs", "Serbia"                                               },
  { "ru", "Russian Federation"                                   },
  { "rw", "Rwanda"                                               },
  { "sa", "Saudi Arabia"                                         },
  { "sb", "Solomon Islands"                                      },
  { "sc", "Seychelles"                                           },
  { "sd", "Sudan"                                                },
  { "se", "Sweden"                                               },
  { "sg", "Singapore"                                            },
  { "sh", "Saint Helena, Ascension and Tristan da Cunha"         },
  { "si", "Slovenia"                                             },
  { "sj", "Svalbard and Jan Mayen"                               },
  { "sk", "Slovakia"                                             },
  { "sl", "Sierra Leone"                                         },
  { "sm", "San Marino"                                           },
  { "sn", "Senegal"                                              },
  { "so", "Somalia"                                              },
  { "sr", "Suriname"                                             },
  { "ss", "South Sudan"                                          },
  { "st", "Sao Tome and Principe"                                },
  { "sv", "El Salvador"                                          },
  { "sx", "Sint Maarten (Dutch part)"                            },
  { "sy", "Syrian Arab Republic"                                 },
  { "sz", "Swaziland"                                            },
  { "tc", "Turks and Caicos Islands"                             },
  { "td", "Chad"                                                 },
  { "tf", "French Southern Territories"                          },
  { "tg", "Togo"                                                 },
  { "th", "Thailand"                                             },
  { "tj", "Tajikistan"                                           },
  { "tk", "Tokelau"                                              },
  { "tl", "Timor-Leste"                                          },
  { "tm", "Turkmenistan"                                         },
  { "tn", "Tunisia"                                              },
  { "to", "Tonga"                                                },
  { "tr", "Turkey"                                               },
  { "tt", "Trinidad and Tobago"                                  },
  { "tv", "Tuvalu"                                               },
  { "tw", "Taiwan, Province of China"                            },
  { "tz", "Tanzania, United Republic of"                         },
  { "ua", "Ukraine"                                              },
  { "ug", "Uganda"                                               },
  { "um", "United States Minor Outlying Islands"                 },
  { "us", "United States of America"                             },
  { "uy", "Uruguay"                                              },
  { "uz", "Uzbekistan"                                           },
  { "va", "Holy See"                                             },
  { "vc", "Saint Vincent and the Grenadines"                     },
  { "ve", "Venezuela, Bolivarian Republic of"                    },
  { "vg", "Virgin Islands, British"                              },
  { "vi", "Virgin Islands, U.S."                                 },
  { "vn", "Viet Nam"                                             },
  { "vu", "Vanuatu"                                              },
  { "wf", "Wallis and Futuna"                                    },
  { "ws", "Samoa"                                                },
  { "ye", "Yemen"                                                },
  { "yt", "Mayotte"                                              },
  { "za", "South Africa"                                         },
  { "zm", "Zambia"                                               },
  { "zw", "Zimbabwe"                                             },
};

std::vector<std::string> const g_popular_country_codes{ "cn", "de", "es", "fi", "fr", "gb", "it", "jp", "nl", "no", "pt", "ru", "se", "us" };

static std::string
guess_mime_type_by_ext(std::string ext) {
  /* chop off basename */
  auto i = ext.rfind('.');
  if (std::string::npos == i)
    return "";
  ext = balg::to_lower_copy(ext.substr(i + 1));

  for (auto &mime_type : mime_types)
    if (brng::find(mime_type.extensions, ext) != mime_type.extensions.end())
      return mime_type.name;

  return "";
}

#if HAVE_MAGIC_H
static std::string
guess_mime_type_by_content(magic_t &m,
                           const std::string &file_name) {
  try {
    mm_file_io_c file(file_name);
    uint64_t file_size = file.get_size();
    size_t buffer_size = 0;
    memory_cptr buf    = memory_c::alloc(1024 * 1024);
    size_t i;

    for (i = 1; 3 >= i; ++i) {
      uint64_t bytes_to_read = std::min(file_size - buffer_size, static_cast<uint64_t>(1024 * 1024));

      if (0 == bytes_to_read)
        break;

      if (buf->get_size() < (buffer_size + bytes_to_read))
        buf->resize(buffer_size + bytes_to_read);

      int64_t bytes_read     = file.read(buf->get_buffer() + buffer_size, bytes_to_read);
      buffer_size           += bytes_read;

      std::string mime_type  = magic_buffer(m, buf->get_buffer(), buffer_size);

      if (!mime_type.empty())
        return mime_type;
    }
  } catch (...) {
  }

  return "";
}
#endif  // HAVE_MAGIC_H

#if HAVE_MAGIC_H
static std::string
guess_mime_type_internal(std::string ext,
                         bool is_file) {
  std::string ret;
  magic_t m;

  if (!is_file)
    return guess_mime_type_by_ext(ext);

  // In newer versions of libmagic MAGIC_MIME is declared as MAGIC_MIME_TYPE | MAGIC_MIME_ENCODING.
  // Older versions don't know MAGIC_MIME_TYPE, though -- the old MAGIC_MIME is the new MAGIC_MIME_TYPE,
  // and the new MAGIC_MIME has been redefined.
# ifdef MAGIC_MIME_TYPE
  m = magic_open(MAGIC_MIME_TYPE | MAGIC_SYMLINK);
# else  // MAGIC_MIME_TYPE
  m = magic_open(MAGIC_MIME      | MAGIC_SYMLINK);
# endif  // MAGIC_MIME_TYPE

# ifdef SYS_WINDOWS
  auto magic_filename = (mtx::sys::get_installation_path() / "data" / "magic").string();
  if (!m || (-1 == magic_load(m, magic_filename.c_str())))
    return guess_mime_type_by_ext(ext);
# else  // defined(SYS_WINDOWS)
  if (!m || (-1 == magic_load(m, nullptr)))
    return guess_mime_type_by_ext(ext);
# endif  // defined(SYS_WINDOWS)

  ret = guess_mime_type_by_content(m, ext);
  magic_close(m);

  if (ret == "")
    return guess_mime_type_by_ext(ext);
  else {
    int idx = ret.find(';');
    if (-1 != idx)
      ret.erase(idx);

    if (ret == "application/octet-stream")
      ret = guess_mime_type_by_ext(ext);

    return ret;
  }
}

#else  // HAVE_MAGIC_H

static std::string
guess_mime_type_internal(std::string ext,
                         bool) {
  return guess_mime_type_by_ext(ext);
}
#endif  // HAVE_MAGIC_H

std::string
guess_mime_type(std::string ext,
                bool is_file) {
  std::string mime_type = guess_mime_type_internal(ext, is_file);

  if (mime_type.empty())
    return "application/octet-stream";

  else if (mime_type == "application/x-font-ttf")
    return "application/x-truetype-font";

  return mime_type;
}

bool
is_valid_cctld(const std::string &s) {
  return brng::find_if(g_cctlds, [&s](iso3166_1alpha_2_t const &entry) { return entry.code == s; }) != g_cctlds.end();
}
