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Diffstat (limited to 'xbmc/utils/Mime.cpp')
| -rw-r--r-- | xbmc/utils/Mime.cpp | 700 |
1 files changed, 700 insertions, 0 deletions
diff --git a/xbmc/utils/Mime.cpp b/xbmc/utils/Mime.cpp new file mode 100644 index 0000000..576e499 --- /dev/null +++ b/xbmc/utils/Mime.cpp @@ -0,0 +1,700 @@ +/* + * Copyright (C) 2012-2018 Team Kodi + * This file is part of Kodi - https://kodi.tv + * + * SPDX-License-Identifier: GPL-2.0-or-later + * See LICENSES/README.md for more information. + */ + +#include "Mime.h" + +#include "FileItem.h" +#include "URIUtils.h" +#include "URL.h" +#include "filesystem/CurlFile.h" +#include "music/tags/MusicInfoTag.h" +#include "utils/StringUtils.h" +#include "video/VideoInfoTag.h" + +#include <algorithm> + +const std::map<std::string, std::string> CMime::m_mimetypes = { + {{"3dm", "x-world/x-3dmf"}, + {"3dmf", "x-world/x-3dmf"}, + {"3fr", "image/3fr"}, + {"a", "application/octet-stream"}, + {"aab", "application/x-authorware-bin"}, + {"aam", "application/x-authorware-map"}, + {"aas", "application/x-authorware-seg"}, + {"abc", "text/vnd.abc"}, + {"acgi", "text/html"}, + {"afl", "video/animaflex"}, + {"ai", "application/postscript"}, + {"aif", "audio/aiff"}, + {"aifc", "audio/x-aiff"}, + {"aiff", "audio/aiff"}, + {"aim", "application/x-aim"}, + {"aip", "text/x-audiosoft-intra"}, + {"ani", "application/x-navi-animation"}, + {"aos", "application/x-nokia-9000-communicator-add-on-software"}, + {"apng", "image/apng"}, + {"aps", "application/mime"}, + {"arc", "application/octet-stream"}, + {"arj", "application/arj"}, + {"art", "image/x-jg"}, + {"arw", "image/arw"}, + {"asf", "video/x-ms-asf"}, + {"asm", "text/x-asm"}, + {"asp", "text/asp"}, + {"asx", "video/x-ms-asf"}, + {"au", "audio/basic"}, + {"avi", "video/avi"}, + {"avs", "video/avs-video"}, + {"bcpio", "application/x-bcpio"}, + {"bin", "application/octet-stream"}, + {"bm", "image/bmp"}, + {"bmp", "image/bmp"}, + {"boo", "application/book"}, + {"book", "application/book"}, + {"boz", "application/x-bzip2"}, + {"bsh", "application/x-bsh"}, + {"bz", "application/x-bzip"}, + {"bz2", "application/x-bzip2"}, + {"c", "text/plain"}, + {"c++", "text/plain"}, + {"cat", "application/vnd.ms-pki.seccat"}, + {"cc", "text/plain"}, + {"ccad", "application/clariscad"}, + {"cco", "application/x-cocoa"}, + {"cdf", "application/cdf"}, + {"cer", "application/pkix-cert"}, + {"cer", "application/x-x509-ca-cert"}, + {"cha", "application/x-chat"}, + {"chat", "application/x-chat"}, + {"class", "application/java"}, + {"com", "application/octet-stream"}, + {"conf", "text/plain"}, + {"cpio", "application/x-cpio"}, + {"cpp", "text/x-c"}, + {"cpt", "application/x-cpt"}, + {"crl", "application/pkcs-crl"}, + {"crt", "application/pkix-cert"}, + {"cr2", "image/cr2"}, + {"crw", "image/crw"}, + {"csh", "application/x-csh"}, + {"css", "text/css"}, + {"cxx", "text/plain"}, + {"dcr", "application/x-director"}, + {"deepv", "application/x-deepv"}, + {"def", "text/plain"}, + {"der", "application/x-x509-ca-cert"}, + {"dif", "video/x-dv"}, + {"dir", "application/x-director"}, + {"dl", "video/dl"}, + {"divx", "video/x-msvideo"}, + {"dng", "image/dng"}, + {"doc", "application/msword"}, + {"docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document"}, + {"dot", "application/msword"}, + {"dp", "application/commonground"}, + {"drw", "application/drafting"}, + {"dump", "application/octet-stream"}, + {"dv", "video/x-dv"}, + {"dvi", "application/x-dvi"}, + {"dwf", "model/vnd.dwf"}, + {"dwg", "image/vnd.dwg"}, + {"dxf", "image/vnd.dwg"}, + {"dxr", "application/x-director"}, + {"el", "text/x-script.elisp"}, + {"elc", "application/x-elc"}, + {"env", "application/x-envoy"}, + {"eps", "application/postscript"}, + {"erf", "image/erf"}, + {"es", "application/x-esrehber"}, + {"etx", "text/x-setext"}, + {"evy", "application/envoy"}, + {"exe", "application/octet-stream"}, + {"f", "text/x-fortran"}, + {"f77", "text/x-fortran"}, + {"f90", "text/x-fortran"}, + {"fdf", "application/vnd.fdf"}, + {"fif", "image/fif"}, + {"flac", "audio/flac"}, + {"fli", "video/fli"}, + {"flo", "image/florian"}, + {"flv", "video/x-flv"}, + {"flx", "text/vnd.fmi.flexstor"}, + {"fmf", "video/x-atomic3d-feature"}, + {"for", "text/plain"}, + {"for", "text/x-fortran"}, + {"fpx", "image/vnd.fpx"}, + {"frl", "application/freeloader"}, + {"funk", "audio/make"}, + {"g", "text/plain"}, + {"g3", "image/g3fax"}, + {"gif", "image/gif"}, + {"gl", "video/x-gl"}, + {"gsd", "audio/x-gsm"}, + {"gsm", "audio/x-gsm"}, + {"gsp", "application/x-gsp"}, + {"gss", "application/x-gss"}, + {"gtar", "application/x-gtar"}, + {"gz", "application/x-compressed"}, + {"gzip", "application/x-gzip"}, + {"h", "text/plain"}, + {"hdf", "application/x-hdf"}, + {"heic", "image/heic"}, + {"heif", "image/heif"}, + {"help", "application/x-helpfile"}, + {"hgl", "application/vnd.hp-hpgl"}, + {"hh", "text/plain"}, + {"hlb", "text/x-script"}, + {"hlp", "application/hlp"}, + {"hpg", "application/vnd.hp-hpgl"}, + {"hpgl", "application/vnd.hp-hpgl"}, + {"hqx", "application/binhex"}, + {"hta", "application/hta"}, + {"htc", "text/x-component"}, + {"htm", "text/html"}, + {"html", "text/html"}, + {"htmls", "text/html"}, + {"htt", "text/webviewhtml"}, + {"htx", "text/html"}, + {"ice", "x-conference/x-cooltalk"}, + {"ico", "image/x-icon"}, + {"idc", "text/plain"}, + {"ief", "image/ief"}, + {"iefs", "image/ief"}, + {"iges", "application/iges"}, + {"igs", "application/iges"}, + {"ima", "application/x-ima"}, + {"imap", "application/x-httpd-imap"}, + {"inf", "application/inf"}, + {"ins", "application/x-internet-signup"}, + {"ip", "application/x-ip2"}, + {"isu", "video/x-isvideo"}, + {"it", "audio/it"}, + {"iv", "application/x-inventor"}, + {"ivr", "i-world/i-vrml"}, + {"ivy", "application/x-livescreen"}, + {"jam", "audio/x-jam"}, + {"jav", "text/x-java-source"}, + {"java", "text/x-java-source"}, + {"jcm", "application/x-java-commerce"}, + {"jfif", "image/jpeg"}, + {"jp2", "image/jp2"}, + {"jfif-tbnl", "image/jpeg"}, + {"jpe", "image/jpeg"}, + {"jpeg", "image/jpeg"}, + {"jpg", "image/jpeg"}, + {"jps", "image/x-jps"}, + {"js", "application/javascript"}, + {"json", "application/json"}, + {"jut", "image/jutvision"}, + {"kar", "music/x-karaoke"}, + {"kdc", "image/kdc"}, + {"ksh", "text/x-script.ksh"}, + {"la", "audio/nspaudio"}, + {"lam", "audio/x-liveaudio"}, + {"latex", "application/x-latex"}, + {"lha", "application/lha"}, + {"lhx", "application/octet-stream"}, + {"list", "text/plain"}, + {"lma", "audio/nspaudio"}, + {"log", "text/plain"}, + {"lsp", "application/x-lisp"}, + {"lst", "text/plain"}, + {"lsx", "text/x-la-asf"}, + {"ltx", "application/x-latex"}, + {"lzh", "application/x-lzh"}, + {"lzx", "application/lzx"}, + {"m", "text/x-m"}, + {"m1v", "video/mpeg"}, + {"m2a", "audio/mpeg"}, + {"m2v", "video/mpeg"}, + {"m3u", "audio/x-mpegurl"}, + {"man", "application/x-troff-man"}, + {"map", "application/x-navimap"}, + {"mar", "text/plain"}, + {"mbd", "application/mbedlet"}, + {"mc$", "application/x-magic-cap-package-1.0"}, + {"mcd", "application/x-mathcad"}, + {"mcf", "text/mcf"}, + {"mcp", "application/netmc"}, + {"mdc", "image/mdc"}, + {"me", "application/x-troff-me"}, + {"mef", "image/mef"}, + {"mht", "message/rfc822"}, + {"mhtml", "message/rfc822"}, + {"mid", "audio/midi"}, + {"midi", "audio/midi"}, + {"mif", "application/x-mif"}, + {"mime", "message/rfc822"}, + {"mjf", "audio/x-vnd.audioexplosion.mjuicemediafile"}, + {"mjpg", "video/x-motion-jpeg"}, + {"mka", "audio/x-matroska"}, + {"mkv", "video/x-matroska"}, + {"mk3d", "video/x-matroska-3d"}, + {"mm", "application/x-meme"}, + {"mme", "application/base64"}, + {"mod", "audio/mod"}, + {"moov", "video/quicktime"}, + {"mov", "video/quicktime"}, + {"movie", "video/x-sgi-movie"}, + {"mos", "image/mos"}, + {"mp2", "audio/mpeg"}, + {"mp3", "audio/mpeg3"}, + {"mp4", "video/mp4"}, + {"mpa", "audio/mpeg"}, + {"mpc", "application/x-project"}, + {"mpe", "video/mpeg"}, + {"mpeg", "video/mpeg"}, + {"mpg", "video/mpeg"}, + {"mpga", "audio/mpeg"}, + {"mpp", "application/vnd.ms-project"}, + {"mpt", "application/x-project"}, + {"mpv", "application/x-project"}, + {"mpx", "application/x-project"}, + {"mrc", "application/marc"}, + {"mrw", "image/mrw"}, + {"ms", "application/x-troff-ms"}, + {"mv", "video/x-sgi-movie"}, + {"my", "audio/make"}, + {"mzz", "application/x-vnd.audioexplosion.mzz"}, + {"nap", "image/naplps"}, + {"naplps", "image/naplps"}, + {"nc", "application/x-netcdf"}, + {"ncm", "application/vnd.nokia.configuration-message"}, + {"nef", "image/nef"}, + {"nfo", "text/xml"}, + {"nif", "image/x-niff"}, + {"niff", "image/x-niff"}, + {"nix", "application/x-mix-transfer"}, + {"nrw", "image/nrw"}, + {"nsc", "application/x-conference"}, + {"nvd", "application/x-navidoc"}, + {"o", "application/octet-stream"}, + {"oda", "application/oda"}, + {"ogg", "audio/ogg"}, + {"omc", "application/x-omc"}, + {"omcd", "application/x-omcdatamaker"}, + {"omcr", "application/x-omcregerator"}, + {"orf", "image/orf"}, + {"p", "text/x-pascal"}, + {"p10", "application/pkcs10"}, + {"p12", "application/pkcs-12"}, + {"p7a", "application/x-pkcs7-signature"}, + {"p7c", "application/pkcs7-mime"}, + {"p7m", "application/pkcs7-mime"}, + {"p7r", "application/x-pkcs7-certreqresp"}, + {"p7s", "application/pkcs7-signature"}, + {"part", "application/pro_eng"}, + {"pas", "text/pascal"}, + {"pbm", "image/x-portable-bitmap"}, + {"pcl", "application/vnd.hp-pcl"}, + {"pct", "image/x-pict"}, + {"pcx", "image/x-pcx"}, + {"pdb", "chemical/x-pdb"}, + {"pdf", "application/pdf"}, + {"pef", "image/pef"}, + {"pfunk", "audio/make.my.funk"}, + {"pgm", "image/x-portable-greymap"}, + {"pic", "image/pict"}, + {"pict", "image/pict"}, + {"pkg", "application/x-newton-compatible-pkg"}, + {"pko", "application/vnd.ms-pki.pko"}, + {"pl", "text/x-script.perl"}, + {"plx", "application/x-pixclscript"}, + {"pm", "text/x-script.perl-module"}, + {"pm4", "application/x-pagemaker"}, + {"pm5", "application/x-pagemaker"}, + {"png", "image/png"}, + {"pnm", "application/x-portable-anymap"}, + {"pot", "application/vnd.ms-powerpoint"}, + {"pov", "model/x-pov"}, + {"ppa", "application/vnd.ms-powerpoint"}, + {"ppm", "image/x-portable-pixmap"}, + {"pps", "application/mspowerpoint"}, + {"ppt", "application/mspowerpoint"}, + {"ppz", "application/mspowerpoint"}, + {"pre", "application/x-freelance"}, + {"prt", "application/pro_eng"}, + {"ps", "application/postscript"}, + {"psd", "application/octet-stream"}, + {"pvu", "paleovu/x-pv"}, + {"pwz", "application/vnd.ms-powerpoint"}, + {"py", "text/x-script.python"}, + {"pyc", "application/x-bytecode.python"}, + {"qcp", "audio/vnd.qcelp"}, + {"qd3", "x-world/x-3dmf"}, + {"qd3d", "x-world/x-3dmf"}, + {"qif", "image/x-quicktime"}, + {"qt", "video/quicktime"}, + {"qtc", "video/x-qtc"}, + {"qti", "image/x-quicktime"}, + {"qtif", "image/x-quicktime"}, + {"ra", "audio/x-realaudio"}, + {"raf", "image/raf"}, + {"ram", "audio/x-pn-realaudio"}, + {"ras", "image/cmu-raster"}, + {"rast", "image/cmu-raster"}, + {"raw", "image/raw"}, + {"rexx", "text/x-script.rexx"}, + {"rf", "image/vnd.rn-realflash"}, + {"rgb", "image/x-rgb"}, + {"rm", "audio/x-pn-realaudio"}, + {"rmi", "audio/mid"}, + {"rmm", "audio/x-pn-realaudio"}, + {"rmp", "audio/x-pn-realaudio"}, + {"rng", "application/ringing-tones"}, + {"rnx", "application/vnd.rn-realplayer"}, + {"roff", "application/x-troff"}, + {"rp", "image/vnd.rn-realpix"}, + {"rpm", "audio/x-pn-realaudio-plugin"}, + {"rt", "text/richtext"}, + {"rtf", "text/richtext"}, + {"rtx", "text/richtext"}, + {"rv", "video/vnd.rn-realvideo"}, + {"rw2", "image/rw2"}, + {"s", "text/x-asm"}, + {"s3m", "audio/s3m"}, + {"saveme", "application/octet-stream"}, + {"sbk", "application/x-tbook"}, + {"scm", "video/x-scm"}, + {"sdml", "text/plain"}, + {"sdp", "application/sdp"}, + {"sdr", "application/sounder"}, + {"sea", "application/sea"}, + {"set", "application/set"}, + {"sgm", "text/sgml"}, + {"sgml", "text/sgml"}, + {"sh", "text/x-script.sh"}, + {"shar", "application/x-bsh"}, + {"shtml", "text/x-server-parsed-html"}, + {"sid", "audio/x-psid"}, + {"sit", "application/x-stuffit"}, + {"skd", "application/x-koan"}, + {"skm", "application/x-koan"}, + {"skp", "application/x-koan"}, + {"skt", "application/x-koan"}, + {"sl", "application/x-seelogo"}, + {"smi", "application/smil"}, + {"smil", "application/smil"}, + {"snd", "audio/basic"}, + {"sol", "application/solids"}, + {"spc", "text/x-speech"}, + {"spl", "application/futuresplash"}, + {"spr", "application/x-sprite"}, + {"sprite", "application/x-sprite"}, + {"src", "application/x-wais-source"}, + {"srw", "image/srw"}, + {"ssi", "text/x-server-parsed-html"}, + {"ssm", "application/streamingmedia"}, + {"sst", "application/vnd.ms-pki.certstore"}, + {"step", "application/step"}, + {"stl", "application/sla"}, + {"stp", "application/step"}, + {"sup", "application/x-pgs"}, + {"sv4cpio", "application/x-sv4cpio"}, + {"sv4crc", "application/x-sv4crc"}, + {"svf", "image/vnd.dwg"}, + {"svg", "image/svg+xml"}, + {"svr", "application/x-world"}, + {"swf", "application/x-shockwave-flash"}, + {"t", "application/x-troff"}, + {"talk", "text/x-speech"}, + {"tar", "application/x-tar"}, + {"tbk", "application/toolbook"}, + {"tcl", "text/x-script.tcl"}, + {"tcsh", "text/x-script.tcsh"}, + {"tex", "application/x-tex"}, + {"texi", "application/x-texinfo"}, + {"texinfo", "application/x-texinfo"}, + {"text", "text/plain"}, + {"tgz", "application/x-compressed"}, + {"tif", "image/tiff"}, + {"tiff", "image/tiff"}, + {"tr", "application/x-troff"}, + {"ts", "video/mp2t"}, + {"tsi", "audio/tsp-audio"}, + {"tsp", "audio/tsplayer"}, + {"tsv", "text/tab-separated-values"}, + {"turbot", "image/florian"}, + {"txt", "text/plain"}, + {"uil", "text/x-uil"}, + {"uni", "text/uri-list"}, + {"unis", "text/uri-list"}, + {"unv", "application/i-deas"}, + {"uri", "text/uri-list"}, + {"uris", "text/uri-list"}, + {"ustar", "application/x-ustar"}, + {"uu", "text/x-uuencode"}, + {"uue", "text/x-uuencode"}, + {"vcd", "application/x-cdlink"}, + {"vcs", "text/x-vcalendar"}, + {"vda", "application/vda"}, + {"vdo", "video/vdo"}, + {"vew", "application/groupwise"}, + {"viv", "video/vivo"}, + {"vivo", "video/vivo"}, + {"vmd", "application/vocaltec-media-desc"}, + {"vmf", "application/vocaltec-media-file"}, + {"voc", "audio/voc"}, + {"vos", "video/vosaic"}, + {"vox", "audio/voxware"}, + {"vqe", "audio/x-twinvq-plugin"}, + {"vqf", "audio/x-twinvq"}, + {"vql", "audio/x-twinvq-plugin"}, + {"vrml", "application/x-vrml"}, + {"vrt", "x-world/x-vrt"}, + {"vsd", "application/x-visio"}, + {"vst", "application/x-visio"}, + {"vsw", "application/x-visio"}, + {"vtt", "text/vtt"}, + {"w60", "application/wordperfect6.0"}, + {"w61", "application/wordperfect6.1"}, + {"w6w", "application/msword"}, + {"wav", "audio/wav"}, + {"wb1", "application/x-qpro"}, + {"wbmp", "image/vnd.wap.wbmp"}, + {"web", "application/vnd.xara"}, + {"webp", "image/webp"}, + {"wiz", "application/msword"}, + {"wk1", "application/x-123"}, + {"wma", "audio/x-ms-wma"}, + {"wmf", "windows/metafile"}, + {"wml", "text/vnd.wap.wml"}, + {"wmlc", "application/vnd.wap.wmlc"}, + {"wmls", "text/vnd.wap.wmlscript"}, + {"wmlsc", "application/vnd.wap.wmlscriptc"}, + {"wmv", "video/x-ms-wmv"}, + {"word", "application/msword"}, + {"wp", "application/wordperfect"}, + {"wp5", "application/wordperfect"}, + {"wp6", "application/wordperfect"}, + {"wpd", "application/wordperfect"}, + {"wq1", "application/x-lotus"}, + {"wri", "application/mswrite"}, + {"wrl", "model/vrml"}, + {"wrz", "model/vrml"}, + {"wsc", "text/scriplet"}, + {"wsrc", "application/x-wais-source"}, + {"wtk", "application/x-wintalk"}, + {"x3f", "image/x3f"}, + {"xbm", "image/xbm"}, + {"xdr", "video/x-amt-demorun"}, + {"xgz", "xgl/drawing"}, + {"xif", "image/vnd.xiff"}, + {"xl", "application/excel"}, + {"xla", "application/excel"}, + {"xlb", "application/excel"}, + {"xlc", "application/excel"}, + {"xld", "application/excel"}, + {"xlk", "application/excel"}, + {"xll", "application/excel"}, + {"xlm", "application/excel"}, + {"xls", "application/excel"}, + {"xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"}, + {"xlt", "application/excel"}, + {"xlv", "application/excel"}, + {"xlw", "application/excel"}, + {"xm", "audio/xm"}, + {"xml", "text/xml"}, + {"xmz", "xgl/movie"}, + {"xpix", "application/x-vnd.ls-xpix"}, + {"xpm", "image/xpm"}, + {"x-png", "image/png"}, + {"xspf", "application/xspf+xml"}, + {"xsr", "video/x-amt-showrun"}, + {"xvid", "video/x-msvideo"}, + {"xwd", "image/x-xwd"}, + {"xyz", "chemical/x-pdb"}, + {"z", "application/x-compressed"}, + {"zip", "application/zip"}, + {"zoo", "application/octet-stream"}, + {"zsh", "text/x-script.zsh"}}}; + +std::string CMime::GetMimeType(const std::string &extension) +{ + if (extension.empty()) + return ""; + + std::string ext = extension; + size_t posNotPoint = ext.find_first_not_of('.'); + if (posNotPoint != std::string::npos && posNotPoint > 0) + ext = extension.substr(posNotPoint); + transform(ext.begin(), ext.end(), ext.begin(), ::tolower); + + std::map<std::string, std::string>::const_iterator it = m_mimetypes.find(ext); + if (it != m_mimetypes.end()) + return it->second; + + return ""; +} + +std::string CMime::GetMimeType(const CFileItem &item) +{ + std::string path = item.GetDynPath(); + if (item.HasVideoInfoTag() && !item.GetVideoInfoTag()->GetPath().empty()) + path = item.GetVideoInfoTag()->GetPath(); + else if (item.HasMusicInfoTag() && !item.GetMusicInfoTag()->GetURL().empty()) + path = item.GetMusicInfoTag()->GetURL(); + + return GetMimeType(URIUtils::GetExtension(path)); +} + +std::string CMime::GetMimeType(const CURL &url, bool lookup) +{ + + std::string strMimeType; + + if( url.IsProtocol("shout") || url.IsProtocol("http") || url.IsProtocol("https")) + { + // If lookup is false, bail out early to leave mime type empty + if (!lookup) + return strMimeType; + + std::string strmime; + XFILE::CCurlFile::GetMimeType(url, strmime); + + // try to get mime-type again but with an NSPlayer User-Agent + // in order for server to provide correct mime-type. Allows us + // to properly detect an MMS stream + if (StringUtils::StartsWithNoCase(strmime, "video/x-ms-")) + XFILE::CCurlFile::GetMimeType(url, strmime, "NSPlayer/11.00.6001.7000"); + + // make sure there are no options set in mime-type + // mime-type can look like "video/x-ms-asf ; charset=utf8" + size_t i = strmime.find(';'); + if(i != std::string::npos) + strmime.erase(i, strmime.length() - i); + StringUtils::Trim(strmime); + strMimeType = strmime; + } + else + strMimeType = GetMimeType(url.GetFileType()); + + // if it's still empty set to an unknown type + if (strMimeType.empty()) + strMimeType = "application/octet-stream"; + + return strMimeType; +} + +CMime::EFileType CMime::GetFileTypeFromMime(const std::string& mimeType) +{ + // based on http://mimesniff.spec.whatwg.org/ + + std::string type, subtype; + if (!parseMimeType(mimeType, type, subtype)) + return FileTypeUnknown; + + if (type == "application") + { + if (subtype == "zip") + return FileTypeZip; + if (subtype == "x-gzip") + return FileTypeGZip; + if (subtype == "x-rar-compressed") + return FileTypeRar; + + if (subtype == "xml") + return FileTypeXml; + } + else if (type == "text") + { + if (subtype == "xml") + return FileTypeXml; + if (subtype == "html") + return FileTypeHtml; + if (subtype == "plain") + return FileTypePlainText; + } + else if (type == "image") + { + if (subtype == "bmp") + return FileTypeBmp; + if (subtype == "gif") + return FileTypeGif; + if (subtype == "png") + return FileTypePng; + if (subtype == "jpeg" || subtype == "pjpeg") + return FileTypeJpeg; + } + + if (StringUtils::EndsWith(subtype, "+zip")) + return FileTypeZip; + if (StringUtils::EndsWith(subtype, "+xml")) + return FileTypeXml; + + return FileTypeUnknown; +} + +CMime::EFileType CMime::GetFileTypeFromContent(const std::string& fileContent) +{ + // based on http://mimesniff.spec.whatwg.org/#matching-a-mime-type-pattern + + const size_t len = fileContent.length(); + if (len < 2) + return FileTypeUnknown; + + const unsigned char* const b = (const unsigned char*)fileContent.c_str(); + + //! @todo add detection for text types + + // check image types + if (b[0] == 'B' && b[1] == 'M') + return FileTypeBmp; + if (len >= 6 && b[0] == 'G' && b[1] == 'I' && b[2] == 'F' && b[3] == '8' && (b[4] == '7' || b[4] == '9') && b[5] == 'a') + return FileTypeGif; + if (len >= 8 && b[0] == 0x89 && b[1] == 'P' && b[2] == 'N' && b[3] == 'G' && b[4] == 0x0D && b[5] == 0x0A && b[6] == 0x1A && b[7] == 0x0A) + return FileTypePng; + if (len >= 3 && b[0] == 0xFF && b[1] == 0xD8 && b[2] == 0xFF) + return FileTypeJpeg; + + // check archive types + if (len >= 3 && b[0] == 0x1F && b[1] == 0x8B && b[2] == 0x08) + return FileTypeGZip; + if (len >= 4 && b[0] == 'P' && b[1] == 'K' && b[2] == 0x03 && b[3] == 0x04) + return FileTypeZip; + if (len >= 7 && b[0] == 'R' && b[1] == 'a' && b[2] == 'r' && b[3] == ' ' && b[4] == 0x1A && b[5] == 0x07 && b[6] == 0x00) + return FileTypeRar; + + //! @todo add detection for other types if required + + return FileTypeUnknown; +} + +bool CMime::parseMimeType(const std::string& mimeType, std::string& type, std::string& subtype) +{ + static const char* const whitespaceChars = "\x09\x0A\x0C\x0D\x20"; // tab, LF, FF, CR and space + + type.clear(); + subtype.clear(); + + const size_t slashPos = mimeType.find('/'); + if (slashPos == std::string::npos) + return false; + + type.assign(mimeType, 0, slashPos); + subtype.assign(mimeType, slashPos + 1, std::string::npos); + + const size_t semicolonPos = subtype.find(';'); + if (semicolonPos != std::string::npos) + subtype.erase(semicolonPos); + + StringUtils::Trim(type, whitespaceChars); + StringUtils::Trim(subtype, whitespaceChars); + + if (type.empty() || subtype.empty()) + { + type.clear(); + subtype.clear(); + return false; + } + + StringUtils::ToLower(type); + StringUtils::ToLower(subtype); + + return true; +} |