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November 27, 2020 02:48
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| public static class MimeMap | |
| { | |
| private const string Dot = "."; | |
| private const string ApplicationOctetStream = "application/octet-stream"; | |
| private static readonly Lazy<IDictionary<string, string>> _map = new Lazy<IDictionary<string, string>>(BuildMappings); | |
| public static string ContentTypeFromPath(string path) | |
| { | |
| return ContentTypeFromExtension(Path.GetExtension(path)); | |
| } | |
| public static string ContentTypeFromExtension(string extension) | |
| { | |
| extension = extension ?? string.Empty; | |
| if (extension.Length > 0) | |
| { | |
| if (extension[0] != '.') | |
| throw new ArgumentOutOfRangeException("extension"); | |
| if (extension.Length == 1) | |
| extension = string.Empty; | |
| } | |
| var contentType = _map.Value[extension]; | |
| return !string.IsNullOrEmpty(contentType) ? contentType : ApplicationOctetStream; | |
| } | |
| public static string GetMimeType(string extension) | |
| { | |
| if (extension == null) | |
| { | |
| throw new ArgumentNullException(nameof(extension)); | |
| } | |
| if (!extension.StartsWith(Dot)) | |
| { | |
| extension = Dot + extension; | |
| } | |
| return _map.Value.TryGetValue(extension, out string mime) ? mime : ApplicationOctetStream; | |
| } | |
| public static string GetExtension(string mimeType, bool throwErrorIfNotFound = true) | |
| { | |
| if (mimeType == null) | |
| { | |
| throw new ArgumentNullException(nameof(mimeType)); | |
| } | |
| if (mimeType.StartsWith(".")) | |
| { | |
| throw new ArgumentException("Requested mime type is not valid: " + mimeType); | |
| } | |
| if (_map.Value.TryGetValue(mimeType, out string extension)) | |
| { | |
| return extension; | |
| } | |
| if (throwErrorIfNotFound) | |
| { | |
| throw new ArgumentException("Requested mime type is not registered: " + mimeType); | |
| } | |
| return string.Empty; | |
| } | |
| #region Default MIME map | |
| private static Dictionary<string, string> BuildMappings() | |
| { | |
| var map = new Dictionary<string, string>( | |
| /* capacity */ 690 * 2, | |
| /* comparer */ StringComparer.OrdinalIgnoreCase) | |
| { | |
| {".323", "text/h323"}, | |
| {".3g2", "video/3gpp2"}, | |
| {".3gp", "video/3gpp"}, | |
| {".3gp2", "video/3gpp2"}, | |
| {".3gpp", "video/3gpp"}, | |
| {".7z", "application/x-7z-compressed"}, | |
| {".aa", "audio/audible"}, | |
| {".AAC", "audio/aac"}, | |
| {".aaf", "application/octet-stream"}, | |
| {".aax", "audio/vnd.audible.aax"}, | |
| {".ac3", "audio/ac3"}, | |
| {".aca", "application/octet-stream"}, | |
| {".accda", "application/msaccess.addin"}, | |
| {".accdb", "application/msaccess"}, | |
| {".accdc", "application/msaccess.cab"}, | |
| {".accde", "application/msaccess"}, | |
| {".accdr", "application/msaccess.runtime"}, | |
| {".accdt", "application/msaccess"}, | |
| {".accdw", "application/msaccess.webapplication"}, | |
| {".accft", "application/msaccess.ftemplate"}, | |
| {".acx", "application/internet-property-stream"}, | |
| {".AddIn", "text/xml"}, | |
| {".ade", "application/msaccess"}, | |
| {".adobebridge", "application/x-bridge-url"}, | |
| {".adp", "application/msaccess"}, | |
| {".ADT", "audio/vnd.dlna.adts"}, | |
| {".ADTS", "audio/aac"}, | |
| {".afm", "application/octet-stream"}, | |
| {".ai", "application/postscript"}, | |
| {".aif", "audio/aiff"}, | |
| {".aifc", "audio/aiff"}, | |
| {".aiff", "audio/aiff"}, | |
| {".air", "application/vnd.adobe.air-application-installer-package+zip"}, | |
| {".amc", "application/mpeg"}, | |
| {".anx", "application/annodex"}, | |
| {".apk", "application/vnd.android.package-archive"}, | |
| {".apng", "image/apng"}, | |
| {".application", "application/x-ms-application"}, | |
| {".art", "image/x-jg"}, | |
| {".asa", "application/xml"}, | |
| {".asax", "application/xml"}, | |
| {".ascx", "application/xml"}, | |
| {".asd", "application/octet-stream"}, | |
| {".asf", "video/x-ms-asf"}, | |
| {".ashx", "application/xml"}, | |
| {".asi", "application/octet-stream"}, | |
| {".asm", "text/plain"}, | |
| {".asmx", "application/xml"}, | |
| {".aspx", "application/xml"}, | |
| {".asr", "video/x-ms-asf"}, | |
| {".asx", "video/x-ms-asf"}, | |
| {".atom", "application/atom+xml"}, | |
| {".au", "audio/basic"}, | |
| {".avci", "image/avci"}, | |
| {".avcs", "image/avcs"}, | |
| {".avi", "video/x-msvideo"}, | |
| {".avif", "image/avif"}, | |
| {".avifs", "image/avif-sequence"}, | |
| {".axa", "audio/annodex"}, | |
| {".axs", "application/olescript"}, | |
| {".axv", "video/annodex"}, | |
| {".bas", "text/plain"}, | |
| {".bcpio", "application/x-bcpio"}, | |
| {".bin", "application/octet-stream"}, | |
| {".bmp", "image/bmp"}, | |
| {".c", "text/plain"}, | |
| {".cab", "application/octet-stream"}, | |
| {".caf", "audio/x-caf"}, | |
| {".calx", "application/vnd.ms-office.calx"}, | |
| {".cat", "application/vnd.ms-pki.seccat"}, | |
| {".cc", "text/plain"}, | |
| {".cd", "text/plain"}, | |
| {".cdda", "audio/aiff"}, | |
| {".cdf", "application/x-cdf"}, | |
| {".cer", "application/x-x509-ca-cert"}, | |
| {".cfg", "text/plain"}, | |
| {".chm", "application/octet-stream"}, | |
| {".class", "application/x-java-applet"}, | |
| {".clp", "application/x-msclip"}, | |
| {".cmd", "text/plain"}, | |
| {".cmx", "image/x-cmx"}, | |
| {".cnf", "text/plain"}, | |
| {".cod", "image/cis-cod"}, | |
| {".config", "application/xml"}, | |
| {".contact", "text/x-ms-contact"}, | |
| {".coverage", "application/xml"}, | |
| {".cpio", "application/x-cpio"}, | |
| {".cpp", "text/plain"}, | |
| {".crd", "application/x-mscardfile"}, | |
| {".crl", "application/pkix-crl"}, | |
| {".crt", "application/x-x509-ca-cert"}, | |
| {".cs", "text/plain"}, | |
| {".csdproj", "text/plain"}, | |
| {".csh", "application/x-csh"}, | |
| {".csproj", "text/plain"}, | |
| {".css", "text/css"}, | |
| {".csv", "text/csv"}, | |
| {".cur", "application/octet-stream"}, | |
| {".czx", "application/x-czx"}, | |
| {".cxx", "text/plain"}, | |
| {".dat", "application/octet-stream"}, | |
| {".datasource", "application/xml"}, | |
| {".dbproj", "text/plain"}, | |
| {".dcr", "application/x-director"}, | |
| {".def", "text/plain"}, | |
| {".deploy", "application/octet-stream"}, | |
| {".der", "application/x-x509-ca-cert"}, | |
| {".dgml", "application/xml"}, | |
| {".dib", "image/bmp"}, | |
| {".dif", "video/x-dv"}, | |
| {".dir", "application/x-director"}, | |
| {".disco", "text/xml"}, | |
| {".divx", "video/divx"}, | |
| {".dll", "application/x-msdownload"}, | |
| {".dll.config", "text/xml"}, | |
| {".dlm", "text/dlm"}, | |
| {".doc", "application/msword"}, | |
| {".docm", "application/vnd.ms-word.document.macroEnabled.12"}, | |
| {".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document"}, | |
| {".dot", "application/msword"}, | |
| {".dotm", "application/vnd.ms-word.template.macroEnabled.12"}, | |
| {".dotx", "application/vnd.openxmlformats-officedocument.wordprocessingml.template"}, | |
| {".dsp", "application/octet-stream"}, | |
| {".dsw", "text/plain"}, | |
| {".dtd", "text/xml"}, | |
| {".dtsConfig", "text/xml"}, | |
| {".dv", "video/x-dv"}, | |
| {".dvi", "application/x-dvi"}, | |
| {".dwf", "drawing/x-dwf"}, | |
| {".dwg", "application/acad"}, | |
| {".dwp", "application/octet-stream"}, | |
| {".dxf", "application/x-dxf"}, | |
| {".dxr", "application/x-director"}, | |
| {".eml", "message/rfc822"}, | |
| {".emf", "image/emf"}, | |
| {".emz", "application/octet-stream"}, | |
| {".eot", "application/vnd.ms-fontobject"}, | |
| {".eps", "application/postscript"}, | |
| {".es", "application/ecmascript"}, | |
| {".etl", "application/etl"}, | |
| {".etx", "text/x-setext"}, | |
| {".evy", "application/envoy"}, | |
| {".exe", "application/vnd.microsoft.portable-executable"}, | |
| {".exe.config", "text/xml"}, | |
| {".f4v", "video/mp4"}, | |
| {".fdf", "application/vnd.fdf"}, | |
| {".fif", "application/fractals"}, | |
| {".filters", "application/xml"}, | |
| {".fla", "application/octet-stream"}, | |
| {".flac", "audio/flac"}, | |
| {".flr", "x-world/x-vrml"}, | |
| {".flv", "video/x-flv"}, | |
| {".fsscript", "application/fsharp-script"}, | |
| {".fsx", "application/fsharp-script"}, | |
| {".generictest", "application/xml"}, | |
| {".gif", "image/gif"}, | |
| {".gpx", "application/gpx+xml"}, | |
| {".group", "text/x-ms-group"}, | |
| {".gsm", "audio/x-gsm"}, | |
| {".gtar", "application/x-gtar"}, | |
| {".gz", "application/x-gzip"}, | |
| {".h", "text/plain"}, | |
| {".hdf", "application/x-hdf"}, | |
| {".hdml", "text/x-hdml"}, | |
| {".heic", "image/heic"}, | |
| {".heics", "image/heic-sequence"}, | |
| {".heif", "image/heif"}, | |
| {".heifs", "image/heif-sequence"}, | |
| {".hhc", "application/x-oleobject"}, | |
| {".hhk", "application/octet-stream"}, | |
| {".hhp", "application/octet-stream"}, | |
| {".hlp", "application/winhlp"}, | |
| {".hpp", "text/plain"}, | |
| {".hqx", "application/mac-binhex40"}, | |
| {".hta", "application/hta"}, | |
| {".htc", "text/x-component"}, | |
| {".htm", "text/html"}, | |
| {".html", "text/html"}, | |
| {".htt", "text/webviewhtml"}, | |
| {".hxa", "application/xml"}, | |
| {".hxc", "application/xml"}, | |
| {".hxd", "application/octet-stream"}, | |
| {".hxe", "application/xml"}, | |
| {".hxf", "application/xml"}, | |
| {".hxh", "application/octet-stream"}, | |
| {".hxi", "application/octet-stream"}, | |
| {".hxk", "application/xml"}, | |
| {".hxq", "application/octet-stream"}, | |
| {".hxr", "application/octet-stream"}, | |
| {".hxs", "application/octet-stream"}, | |
| {".hxt", "text/html"}, | |
| {".hxv", "application/xml"}, | |
| {".hxw", "application/octet-stream"}, | |
| {".hxx", "text/plain"}, | |
| {".i", "text/plain"}, | |
| {".ical", "text/calendar"}, | |
| {".icalendar", "text/calendar"}, | |
| {".ico", "image/x-icon"}, | |
| {".ics", "text/calendar"}, | |
| {".idl", "text/plain"}, | |
| {".ief", "image/ief"}, | |
| {".ifb", "text/calendar"}, | |
| {".iii", "application/x-iphone"}, | |
| {".inc", "text/plain"}, | |
| {".inf", "application/octet-stream"}, | |
| {".ini", "text/plain"}, | |
| {".inl", "text/plain"}, | |
| {".ins", "application/x-internet-signup"}, | |
| {".ipa", "application/x-itunes-ipa"}, | |
| {".ipg", "application/x-itunes-ipg"}, | |
| {".ipproj", "text/plain"}, | |
| {".ipsw", "application/x-itunes-ipsw"}, | |
| {".iqy", "text/x-ms-iqy"}, | |
| {".isp", "application/x-internet-signup"}, | |
| {".isma", "application/octet-stream"}, | |
| {".ismv", "application/octet-stream"}, | |
| {".ite", "application/x-itunes-ite"}, | |
| {".itlp", "application/x-itunes-itlp"}, | |
| {".itms", "application/x-itunes-itms"}, | |
| {".itpc", "application/x-itunes-itpc"}, | |
| {".IVF", "video/x-ivf"}, | |
| {".jar", "application/java-archive"}, | |
| {".java", "application/octet-stream"}, | |
| {".jck", "application/liquidmotion"}, | |
| {".jcz", "application/liquidmotion"}, | |
| {".jfif", "image/pjpeg"}, | |
| {".jnlp", "application/x-java-jnlp-file"}, | |
| {".jpb", "application/octet-stream"}, | |
| {".jpe", "image/jpeg"}, | |
| {".jpeg", "image/jpeg"}, | |
| {".jpg", "image/jpeg"}, | |
| {".js", "application/javascript"}, | |
| {".json", "application/json"}, | |
| {".jsx", "text/jscript"}, | |
| {".jsxbin", "text/plain"}, | |
| {".latex", "application/x-latex"}, | |
| {".library-ms", "application/windows-library+xml"}, | |
| {".lit", "application/x-ms-reader"}, | |
| {".loadtest", "application/xml"}, | |
| {".lpk", "application/octet-stream"}, | |
| {".lsf", "video/x-la-asf"}, | |
| {".lst", "text/plain"}, | |
| {".lsx", "video/x-la-asf"}, | |
| {".lzh", "application/octet-stream"}, | |
| {".m13", "application/x-msmediaview"}, | |
| {".m14", "application/x-msmediaview"}, | |
| {".m1v", "video/mpeg"}, | |
| {".m2t", "video/vnd.dlna.mpeg-tts"}, | |
| {".m2ts", "video/vnd.dlna.mpeg-tts"}, | |
| {".m2v", "video/mpeg"}, | |
| {".m3u", "audio/x-mpegurl"}, | |
| {".m3u8", "audio/x-mpegurl"}, | |
| {".m4a", "audio/m4a"}, | |
| {".m4b", "audio/m4b"}, | |
| {".m4p", "audio/m4p"}, | |
| {".m4r", "audio/x-m4r"}, | |
| {".m4v", "video/x-m4v"}, | |
| {".mac", "image/x-macpaint"}, | |
| {".mak", "text/plain"}, | |
| {".man", "application/x-troff-man"}, | |
| {".manifest", "application/x-ms-manifest"}, | |
| {".map", "text/plain"}, | |
| {".master", "application/xml"}, | |
| {".mbox", "application/mbox"}, | |
| {".mda", "application/msaccess"}, | |
| {".mdb", "application/x-msaccess"}, | |
| {".mde", "application/msaccess"}, | |
| {".mdp", "application/octet-stream"}, | |
| {".me", "application/x-troff-me"}, | |
| {".mfp", "application/x-shockwave-flash"}, | |
| {".mht", "message/rfc822"}, | |
| {".mhtml", "message/rfc822"}, | |
| {".mid", "audio/mid"}, | |
| {".midi", "audio/mid"}, | |
| {".mix", "application/octet-stream"}, | |
| {".mk", "text/plain"}, | |
| {".mk3d", "video/x-matroska-3d"}, | |
| {".mka", "audio/x-matroska"}, | |
| {".mkv", "video/x-matroska"}, | |
| {".mmf", "application/x-smaf"}, | |
| {".mno", "text/xml"}, | |
| {".mny", "application/x-msmoney"}, | |
| {".mod", "video/mpeg"}, | |
| {".mov", "video/quicktime"}, | |
| {".movie", "video/x-sgi-movie"}, | |
| {".mp2", "video/mpeg"}, | |
| {".mp2v", "video/mpeg"}, | |
| {".mp3", "audio/mpeg"}, | |
| {".mp4", "video/mp4"}, | |
| {".mp4v", "video/mp4"}, | |
| {".mpa", "video/mpeg"}, | |
| {".mpe", "video/mpeg"}, | |
| {".mpeg", "video/mpeg"}, | |
| {".mpf", "application/vnd.ms-mediapackage"}, | |
| {".mpg", "video/mpeg"}, | |
| {".mpp", "application/vnd.ms-project"}, | |
| {".mpv2", "video/mpeg"}, | |
| {".mqv", "video/quicktime"}, | |
| {".ms", "application/x-troff-ms"}, | |
| {".msg", "application/vnd.ms-outlook"}, | |
| {".msi", "application/octet-stream"}, | |
| {".mso", "application/octet-stream"}, | |
| {".mts", "video/vnd.dlna.mpeg-tts"}, | |
| {".mtx", "application/xml"}, | |
| {".mvb", "application/x-msmediaview"}, | |
| {".mvc", "application/x-miva-compiled"}, | |
| {".mxf", "application/mxf"}, | |
| {".mxp", "application/x-mmxp"}, | |
| {".nc", "application/x-netcdf"}, | |
| {".nsc", "video/x-ms-asf"}, | |
| {".nws", "message/rfc822"}, | |
| {".ocx", "application/octet-stream"}, | |
| {".oda", "application/oda"}, | |
| {".odb", "application/vnd.oasis.opendocument.database"}, | |
| {".odc", "application/vnd.oasis.opendocument.chart"}, | |
| {".odf", "application/vnd.oasis.opendocument.formula"}, | |
| {".odg", "application/vnd.oasis.opendocument.graphics"}, | |
| {".odh", "text/plain"}, | |
| {".odi", "application/vnd.oasis.opendocument.image"}, | |
| {".odl", "text/plain"}, | |
| {".odm", "application/vnd.oasis.opendocument.text-master"}, | |
| {".odp", "application/vnd.oasis.opendocument.presentation"}, | |
| {".ods", "application/vnd.oasis.opendocument.spreadsheet"}, | |
| {".odt", "application/vnd.oasis.opendocument.text"}, | |
| {".oga", "audio/ogg"}, | |
| {".ogg", "audio/ogg"}, | |
| {".ogv", "video/ogg"}, | |
| {".ogx", "application/ogg"}, | |
| {".one", "application/onenote"}, | |
| {".onea", "application/onenote"}, | |
| {".onepkg", "application/onenote"}, | |
| {".onetmp", "application/onenote"}, | |
| {".onetoc", "application/onenote"}, | |
| {".onetoc2", "application/onenote"}, | |
| {".opus", "audio/ogg"}, | |
| {".orderedtest", "application/xml"}, | |
| {".osdx", "application/opensearchdescription+xml"}, | |
| {".otf", "application/font-sfnt"}, | |
| {".otg", "application/vnd.oasis.opendocument.graphics-template"}, | |
| {".oth", "application/vnd.oasis.opendocument.text-web"}, | |
| {".otp", "application/vnd.oasis.opendocument.presentation-template"}, | |
| {".ots", "application/vnd.oasis.opendocument.spreadsheet-template"}, | |
| {".ott", "application/vnd.oasis.opendocument.text-template"}, | |
| {".oxps", "application/oxps"}, | |
| {".oxt", "application/vnd.openofficeorg.extension"}, | |
| {".p10", "application/pkcs10"}, | |
| {".p12", "application/x-pkcs12"}, | |
| {".p7b", "application/x-pkcs7-certificates"}, | |
| {".p7c", "application/pkcs7-mime"}, | |
| {".p7m", "application/pkcs7-mime"}, | |
| {".p7r", "application/x-pkcs7-certreqresp"}, | |
| {".p7s", "application/pkcs7-signature"}, | |
| {".pbm", "image/x-portable-bitmap"}, | |
| {".pcast", "application/x-podcast"}, | |
| {".pct", "image/pict"}, | |
| {".pcx", "application/octet-stream"}, | |
| {".pcz", "application/octet-stream"}, | |
| {".pdf", "application/pdf"}, | |
| {".pfb", "application/octet-stream"}, | |
| {".pfm", "application/octet-stream"}, | |
| {".pfx", "application/x-pkcs12"}, | |
| {".pgm", "image/x-portable-graymap"}, | |
| {".pic", "image/pict"}, | |
| {".pict", "image/pict"}, | |
| {".pkgdef", "text/plain"}, | |
| {".pkgundef", "text/plain"}, | |
| {".pko", "application/vnd.ms-pki.pko"}, | |
| {".pls", "audio/scpls"}, | |
| {".pma", "application/x-perfmon"}, | |
| {".pmc", "application/x-perfmon"}, | |
| {".pml", "application/x-perfmon"}, | |
| {".pmr", "application/x-perfmon"}, | |
| {".pmw", "application/x-perfmon"}, | |
| {".png", "image/png"}, | |
| {".pnm", "image/x-portable-anymap"}, | |
| {".pnt", "image/x-macpaint"}, | |
| {".pntg", "image/x-macpaint"}, | |
| {".pnz", "image/png"}, | |
| {".pot", "application/vnd.ms-powerpoint"}, | |
| {".potm", "application/vnd.ms-powerpoint.template.macroEnabled.12"}, | |
| {".potx", "application/vnd.openxmlformats-officedocument.presentationml.template"}, | |
| {".ppa", "application/vnd.ms-powerpoint"}, | |
| {".ppam", "application/vnd.ms-powerpoint.addin.macroEnabled.12"}, | |
| {".ppm", "image/x-portable-pixmap"}, | |
| {".pps", "application/vnd.ms-powerpoint"}, | |
| {".ppsm", "application/vnd.ms-powerpoint.slideshow.macroEnabled.12"}, | |
| {".ppsx", "application/vnd.openxmlformats-officedocument.presentationml.slideshow"}, | |
| {".ppt", "application/vnd.ms-powerpoint"}, | |
| {".pptm", "application/vnd.ms-powerpoint.presentation.macroEnabled.12"}, | |
| {".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation"}, | |
| {".prf", "application/pics-rules"}, | |
| {".prm", "application/octet-stream"}, | |
| {".prx", "application/octet-stream"}, | |
| {".ps", "application/postscript"}, | |
| {".psc1", "application/PowerShell"}, | |
| {".psd", "application/octet-stream"}, | |
| {".psess", "application/xml"}, | |
| {".psm", "application/octet-stream"}, | |
| {".psp", "application/octet-stream"}, | |
| {".pst", "application/vnd.ms-outlook"}, | |
| {".pub", "application/x-mspublisher"}, | |
| {".pwz", "application/vnd.ms-powerpoint"}, | |
| {".qht", "text/x-html-insertion"}, | |
| {".qhtm", "text/x-html-insertion"}, | |
| {".qt", "video/quicktime"}, | |
| {".qti", "image/x-quicktime"}, | |
| {".qtif", "image/x-quicktime"}, | |
| {".qtl", "application/x-quicktimeplayer"}, | |
| {".qxd", "application/octet-stream"}, | |
| {".ra", "audio/x-pn-realaudio"}, | |
| {".ram", "audio/x-pn-realaudio"}, | |
| {".rar", "application/x-rar-compressed"}, | |
| {".ras", "image/x-cmu-raster"}, | |
| {".rat", "application/rat-file"}, | |
| {".rc", "text/plain"}, | |
| {".rc2", "text/plain"}, | |
| {".rct", "text/plain"}, | |
| {".rdlc", "application/xml"}, | |
| {".reg", "text/plain"}, | |
| {".resx", "application/xml"}, | |
| {".rf", "image/vnd.rn-realflash"}, | |
| {".rgb", "image/x-rgb"}, | |
| {".rgs", "text/plain"}, | |
| {".rm", "application/vnd.rn-realmedia"}, | |
| {".rmi", "audio/mid"}, | |
| {".rmp", "application/vnd.rn-rn_music_package"}, | |
| {".rmvb", "application/vnd.rn-realmedia-vbr"}, | |
| {".roff", "application/x-troff"}, | |
| {".rpm", "audio/x-pn-realaudio-plugin"}, | |
| {".rqy", "text/x-ms-rqy"}, | |
| {".rtf", "application/rtf"}, | |
| {".rtx", "text/richtext"}, | |
| {".rvt", "application/octet-stream"}, | |
| {".ruleset", "application/xml"}, | |
| {".s", "text/plain"}, | |
| {".safariextz", "application/x-safari-safariextz"}, | |
| {".scd", "application/x-msschedule"}, | |
| {".scr", "text/plain"}, | |
| {".sct", "text/scriptlet"}, | |
| {".sd2", "audio/x-sd2"}, | |
| {".sdp", "application/sdp"}, | |
| {".sea", "application/octet-stream"}, | |
| {".searchConnector-ms", "application/windows-search-connector+xml"}, | |
| {".setpay", "application/set-payment-initiation"}, | |
| {".setreg", "application/set-registration-initiation"}, | |
| {".settings", "application/xml"}, | |
| {".sgimb", "application/x-sgimb"}, | |
| {".sgml", "text/sgml"}, | |
| {".sh", "application/x-sh"}, | |
| {".shar", "application/x-shar"}, | |
| {".shtml", "text/html"}, | |
| {".sit", "application/x-stuffit"}, | |
| {".sitemap", "application/xml"}, | |
| {".skin", "application/xml"}, | |
| {".skp", "application/x-koan"}, | |
| {".sldm", "application/vnd.ms-powerpoint.slide.macroEnabled.12"}, | |
| {".sldx", "application/vnd.openxmlformats-officedocument.presentationml.slide"}, | |
| {".slk", "application/vnd.ms-excel"}, | |
| {".sln", "text/plain"}, | |
| {".slupkg-ms", "application/x-ms-license"}, | |
| {".smd", "audio/x-smd"}, | |
| {".smi", "application/octet-stream"}, | |
| {".smx", "audio/x-smd"}, | |
| {".smz", "audio/x-smd"}, | |
| {".snd", "audio/basic"}, | |
| {".snippet", "application/xml"}, | |
| {".snp", "application/octet-stream"}, | |
| {".sql", "application/sql"}, | |
| {".sol", "text/plain"}, | |
| {".sor", "text/plain"}, | |
| {".spc", "application/x-pkcs7-certificates"}, | |
| {".spl", "application/futuresplash"}, | |
| {".spx", "audio/ogg"}, | |
| {".src", "application/x-wais-source"}, | |
| {".srf", "text/plain"}, | |
| {".SSISDeploymentManifest", "text/xml"}, | |
| {".ssm", "application/streamingmedia"}, | |
| {".sst", "application/vnd.ms-pki.certstore"}, | |
| {".stl", "application/vnd.ms-pki.stl"}, | |
| {".sv4cpio", "application/x-sv4cpio"}, | |
| {".sv4crc", "application/x-sv4crc"}, | |
| {".svc", "application/xml"}, | |
| {".svg", "image/svg+xml"}, | |
| {".swf", "application/x-shockwave-flash"}, | |
| {".step", "application/step"}, | |
| {".stp", "application/step"}, | |
| {".t", "application/x-troff"}, | |
| {".tar", "application/x-tar"}, | |
| {".tcl", "application/x-tcl"}, | |
| {".testrunconfig", "application/xml"}, | |
| {".testsettings", "application/xml"}, | |
| {".tex", "application/x-tex"}, | |
| {".texi", "application/x-texinfo"}, | |
| {".texinfo", "application/x-texinfo"}, | |
| {".tgz", "application/x-compressed"}, | |
| {".thmx", "application/vnd.ms-officetheme"}, | |
| {".thn", "application/octet-stream"}, | |
| {".tif", "image/tiff"}, | |
| {".tiff", "image/tiff"}, | |
| {".tlh", "text/plain"}, | |
| {".tli", "text/plain"}, | |
| {".toc", "application/octet-stream"}, | |
| {".tr", "application/x-troff"}, | |
| {".trm", "application/x-msterminal"}, | |
| {".trx", "application/xml"}, | |
| {".ts", "video/vnd.dlna.mpeg-tts"}, | |
| {".tsv", "text/tab-separated-values"}, | |
| {".ttf", "application/font-sfnt"}, | |
| {".tts", "video/vnd.dlna.mpeg-tts"}, | |
| {".txt", "text/plain"}, | |
| {".u32", "application/octet-stream"}, | |
| {".uls", "text/iuls"}, | |
| {".user", "text/plain"}, | |
| {".ustar", "application/x-ustar"}, | |
| {".vb", "text/plain"}, | |
| {".vbdproj", "text/plain"}, | |
| {".vbk", "video/mpeg"}, | |
| {".vbproj", "text/plain"}, | |
| {".vbs", "text/vbscript"}, | |
| {".vcf", "text/x-vcard"}, | |
| {".vcproj", "application/xml"}, | |
| {".vcs", "text/plain"}, | |
| {".vcxproj", "application/xml"}, | |
| {".vddproj", "text/plain"}, | |
| {".vdp", "text/plain"}, | |
| {".vdproj", "text/plain"}, | |
| {".vdx", "application/vnd.ms-visio.viewer"}, | |
| {".vml", "text/xml"}, | |
| {".vscontent", "application/xml"}, | |
| {".vsct", "text/xml"}, | |
| {".vsd", "application/vnd.visio"}, | |
| {".vsi", "application/ms-vsi"}, | |
| {".vsix", "application/vsix"}, | |
| {".vsixlangpack", "text/xml"}, | |
| {".vsixmanifest", "text/xml"}, | |
| {".vsmdi", "application/xml"}, | |
| {".vspscc", "text/plain"}, | |
| {".vss", "application/vnd.visio"}, | |
| {".vsscc", "text/plain"}, | |
| {".vssettings", "text/xml"}, | |
| {".vssscc", "text/plain"}, | |
| {".vst", "application/vnd.visio"}, | |
| {".vstemplate", "text/xml"}, | |
| {".vsto", "application/x-ms-vsto"}, | |
| {".vsw", "application/vnd.visio"}, | |
| {".vsx", "application/vnd.visio"}, | |
| {".vtt", "text/vtt"}, | |
| {".vtx", "application/vnd.visio"}, | |
| {".wasm", "application/wasm"}, | |
| {".wav", "audio/wav"}, | |
| {".wave", "audio/wav"}, | |
| {".wax", "audio/x-ms-wax"}, | |
| {".wbk", "application/msword"}, | |
| {".wbmp", "image/vnd.wap.wbmp"}, | |
| {".wcm", "application/vnd.ms-works"}, | |
| {".wdb", "application/vnd.ms-works"}, | |
| {".wdp", "image/vnd.ms-photo"}, | |
| {".webarchive", "application/x-safari-webarchive"}, | |
| {".webm", "video/webm"}, | |
| {".webp", "image/webp"}, /* https://en.wikipedia.org/wiki/WebP */ | |
| {".webtest", "application/xml"}, | |
| {".wiq", "application/xml"}, | |
| {".wiz", "application/msword"}, | |
| {".wks", "application/vnd.ms-works"}, | |
| {".WLMP", "application/wlmoviemaker"}, | |
| {".wlpginstall", "application/x-wlpg-detect"}, | |
| {".wlpginstall3", "application/x-wlpg3-detect"}, | |
| {".wm", "video/x-ms-wm"}, | |
| {".wma", "audio/x-ms-wma"}, | |
| {".wmd", "application/x-ms-wmd"}, | |
| {".wmf", "application/x-msmetafile"}, | |
| {".wml", "text/vnd.wap.wml"}, | |
| {".wmlc", "application/vnd.wap.wmlc"}, | |
| {".wmls", "text/vnd.wap.wmlscript"}, | |
| {".wmlsc", "application/vnd.wap.wmlscriptc"}, | |
| {".wmp", "video/x-ms-wmp"}, | |
| {".wmv", "video/x-ms-wmv"}, | |
| {".wmx", "video/x-ms-wmx"}, | |
| {".wmz", "application/x-ms-wmz"}, | |
| {".woff", "application/font-woff"}, | |
| {".woff2", "application/font-woff2"}, | |
| {".wpl", "application/vnd.ms-wpl"}, | |
| {".wps", "application/vnd.ms-works"}, | |
| {".wri", "application/x-mswrite"}, | |
| {".wrl", "x-world/x-vrml"}, | |
| {".wrz", "x-world/x-vrml"}, | |
| {".wsc", "text/scriptlet"}, | |
| {".wsdl", "text/xml"}, | |
| {".wvx", "video/x-ms-wvx"}, | |
| {".x", "application/directx"}, | |
| {".xaf", "x-world/x-vrml"}, | |
| {".xaml", "application/xaml+xml"}, | |
| {".xap", "application/x-silverlight-app"}, | |
| {".xbap", "application/x-ms-xbap"}, | |
| {".xbm", "image/x-xbitmap"}, | |
| {".xdr", "text/plain"}, | |
| {".xht", "application/xhtml+xml"}, | |
| {".xhtml", "application/xhtml+xml"}, | |
| {".xla", "application/vnd.ms-excel"}, | |
| {".xlam", "application/vnd.ms-excel.addin.macroEnabled.12"}, | |
| {".xlc", "application/vnd.ms-excel"}, | |
| {".xld", "application/vnd.ms-excel"}, | |
| {".xlk", "application/vnd.ms-excel"}, | |
| {".xll", "application/vnd.ms-excel"}, | |
| {".xlm", "application/vnd.ms-excel"}, | |
| {".xls", "application/vnd.ms-excel"}, | |
| {".xlsb", "application/vnd.ms-excel.sheet.binary.macroEnabled.12"}, | |
| {".xlsm", "application/vnd.ms-excel.sheet.macroEnabled.12"}, | |
| {".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"}, | |
| {".xlt", "application/vnd.ms-excel"}, | |
| {".xltm", "application/vnd.ms-excel.template.macroEnabled.12"}, | |
| {".xltx", "application/vnd.openxmlformats-officedocument.spreadsheetml.template"}, | |
| {".xlw", "application/vnd.ms-excel"}, | |
| {".xml", "text/xml"}, | |
| {".xmp", "application/octet-stream"}, | |
| {".xmta", "application/xml"}, | |
| {".xof", "x-world/x-vrml"}, | |
| {".XOML", "text/plain"}, | |
| {".xpm", "image/x-xpixmap"}, | |
| {".xps", "application/vnd.ms-xpsdocument"}, | |
| {".xrm-ms", "text/xml"}, | |
| {".xsc", "application/xml"}, | |
| {".xsd", "text/xml"}, | |
| {".xsf", "text/xml"}, | |
| {".xsl", "text/xml"}, | |
| {".xslt", "text/xml"}, | |
| {".xsn", "application/octet-stream"}, | |
| {".xss", "application/xml"}, | |
| {".xspf", "application/xspf+xml"}, | |
| {".xtp", "application/octet-stream"}, | |
| {".xwd", "image/x-xwindowdump"}, | |
| {".z", "application/x-compress"}, | |
| {".zip", "application/zip"}, | |
| {"application/fsharp-script", ".fsx"}, | |
| {"application/msaccess", ".adp"}, | |
| {"application/msword", ".doc"}, | |
| {"application/octet-stream", ".bin"}, | |
| {"application/onenote", ".one"}, | |
| {"application/postscript", ".eps"}, | |
| {"application/step", ".step"}, | |
| {"application/vnd.ms-excel", ".xls"}, | |
| {"application/vnd.ms-powerpoint", ".ppt"}, | |
| {"application/vnd.ms-works", ".wks"}, | |
| {"application/vnd.visio", ".vsd"}, | |
| {"application/x-director", ".dir"}, | |
| {"application/x-msdos-program", ".exe"}, | |
| {"application/x-shockwave-flash", ".swf"}, | |
| {"application/x-x509-ca-cert", ".cer"}, | |
| {"application/x-zip-compressed", ".zip"}, | |
| {"application/xhtml+xml", ".xhtml"}, | |
| {"application/xml", ".xml"}, // anomaly, .xml -> text/xml, but application/xml -> many things, but all are xml, so safest is .xml | |
| {"audio/aac", ".AAC"}, | |
| {"audio/aiff", ".aiff"}, | |
| {"audio/basic", ".snd"}, | |
| {"audio/mid", ".midi"}, | |
| {"audio/mp4", ".m4a"}, // one way mapping only, mime -> ext | |
| {"audio/wav", ".wav"}, | |
| {"audio/x-m4a", ".m4a"}, | |
| {"audio/x-mpegurl", ".m3u"}, | |
| {"audio/x-pn-realaudio", ".ra"}, | |
| {"audio/x-smd", ".smd"}, | |
| {"image/bmp", ".bmp"}, | |
| {"image/jpeg", ".jpg"}, | |
| {"image/pict", ".pic"}, | |
| {"image/png", ".png"}, // Defined in [RFC-2045], [RFC-2048] | |
| {"image/x-png", ".png"}, // See https://www.w3.org/TR/PNG/#A-Media-type :"It is recommended that implementations also recognize the media type "image/x-png"." | |
| {"image/tiff", ".tiff"}, | |
| {"image/x-macpaint", ".mac"}, | |
| {"image/x-quicktime", ".qti"}, | |
| {"message/rfc822", ".eml"}, | |
| {"text/calendar", ".ics"}, | |
| {"text/html", ".html"}, | |
| {"text/plain", ".txt"}, | |
| {"text/scriptlet", ".wsc"}, | |
| {"text/xml", ".xml"}, | |
| {"video/3gpp", ".3gp"}, | |
| {"video/3gpp2", ".3gp2"}, | |
| {"video/mp4", ".mp4"}, | |
| {"video/mpeg", ".mpg"}, | |
| {"video/quicktime", ".mov"}, | |
| {"video/vnd.dlna.mpeg-tts", ".m2t"}, | |
| {"video/x-dv", ".dv"}, | |
| {"video/x-la-asf", ".lsf"}, | |
| {"video/x-ms-asf", ".asf"}, | |
| {"x-world/x-vrml", ".xof"}, | |
| }; | |
| // | |
| // NOTE! If you add more MIME mappings here, do not forget to | |
| // update the capacity of the hashtable. | |
| // | |
| var cache = map.ToList(); // need ToList() to avoid modifying while still enumerating | |
| foreach (var m in cache) | |
| { | |
| if (!map.ContainsKey(m.Value)) | |
| { | |
| map.Add(m.Value, m.Key); | |
| } | |
| } | |
| return map; | |
| } | |
| #endregion | |
| } |
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