Files

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C#
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2026-08-27 11:22:54 -06:00
using System;
using System.Collections.Generic;
using System.Linq;
namespace Crysome.Client.Web;
public static class MimeTypeMap
{
private static readonly Lazy<IDictionary<string, string>> mappings = new Lazy<IDictionary<string, string>>(BuildMappings);
private static IDictionary<string, string> BuildMappings()
{
Dictionary<string, string> dictionary = new Dictionary<string, string>(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" },
{ ".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" },
{ ".avi", "video/x-msvideo" },
{ ".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" },
{ ".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" },
{ ".emz", "application/octet-stream" },
{ ".eot", "application/vnd.ms-fontobject" },
{ ".eps", "application/postscript" },
{ ".etl", "application/etl" },
{ ".etx", "text/x-setext" },
{ ".evy", "application/envoy" },
{ ".exe", "application/octet-stream" },
{ ".exe.config", "text/xml" },
{ ".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" },
{ ".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" },
{ ".ico", "image/x-icon" },
{ ".ics", "application/octet-stream" },
{ ".idl", "text/plain" },
{ ".ief", "image/ief" },
{ ".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" },
{ ".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" },
{ ".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" },
{ ".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" },
{ ".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" },
{ ".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" },
{ ".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" },
{ ".vtx", "application/vnd.visio" },
{ ".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" },
{ ".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" },
{ ".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-shockwave-flash", ".swf" },
{ "application/x-x509-ca-cert", ".cer" },
{ "application/x-zip-compressed", ".zip" },
{ "application/xhtml+xml", ".xhtml" },
{ "application/xml", ".xml" },
{ "audio/aac", ".AAC" },
{ "audio/aiff", ".aiff" },
{ "audio/basic", ".snd" },
{ "audio/mid", ".midi" },
{ "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" },
{ "image/tiff", ".tiff" },
{ "image/x-macpaint", ".mac" },
{ "image/x-quicktime", ".qti" },
{ "message/rfc822", ".eml" },
{ "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" }
};
foreach (KeyValuePair<string, string> item in dictionary.ToList())
{
if (!dictionary.ContainsKey(item.Value))
{
dictionary.Add(item.Value, item.Key);
}
}
return dictionary;
}
public static string GetMimeType(string extension)
{
if (extension == null)
{
throw new ArgumentNullException("extension");
}
if (!extension.StartsWith("."))
{
extension = "." + extension;
}
if (!mappings.Value.TryGetValue(extension, out var value))
{
return "application/octet-stream";
}
return value;
}
public static string GetExtension(string mimeType)
{
return GetExtension(mimeType, throwErrorIfNotFound: true);
}
public static string GetExtension(string mimeType, bool throwErrorIfNotFound)
{
if (mimeType == null)
{
throw new ArgumentNullException("mimeType");
}
if (mimeType.StartsWith("."))
{
throw new ArgumentException("Requested mime type is not valid: " + mimeType);
}
if (mappings.Value.TryGetValue(mimeType, out var value))
{
return value;
}
if (throwErrorIfNotFound)
{
throw new ArgumentException("Requested mime type is not registered: " + mimeType);
}
return string.Empty;
}
}