Wie kann ich den MIME-Typ aus einer Dateierweiterung ermitteln?
Antworten
Zu viele Anzeigen?
Shimmy Weitzhandler
Punkte
97197
Für ASP.NET oder andere
Die Optionen wurden in ASP.NET Core ein wenig geändert, hier sind sie ( Kredite ):
new FileExtensionContentTypeProvider().TryGetContentType(fileName, out contentType);(nur vNext)- Ich habe es nie getestet, aber es sieht so aus, als ob man die Liste der Mime-Typen offiziell über die exponierte
MappingsEigentum.
- Ich habe es nie getestet, aber es sieht so aus, als ob man die Liste der Mime-Typen offiziell über die exponierte
- を使用します。
MimeTypesNuGet-Paket - Kopieren Sie die
MimeMappingsDatei aus der Referenzquelle des .NET Frameworks
Für .NET Framework >= 4.5:
を使用します。 System.Web.MimeMapping.GetMimeMapping Methode, die Teil der BCL in .NET Framework 4.5 ist:
string mimeType = MimeMapping.GetMimeMapping(fileName);Wenn Sie benutzerdefinierte Zuordnungen hinzufügen müssen, können Sie wahrscheinlich Reflection verwenden, um der BCL Zuordnungen hinzuzufügen MimeMapping Klasse, verwendet sie ein benutzerdefiniertes Wörterbuch, das diese Methode offenlegt, so dass Sie das Folgende aufrufen sollten, um Zuordnungen hinzuzufügen (nie getestet tho, aber sollte prob. Arbeit).
Wenn Sie Reflection verwenden, um MIME-Typen hinzuzufügen, sollten Sie sich darüber im Klaren sein, dass sich der Name eines privaten Feldes ändern oder sogar ganz entfernt werden kann. Seien Sie daher besonders vorsichtig und fügen Sie für jeden Schritt doppelte Prüfungen und ausfallsichere Aktionen ein.
MimeMapping._mappingDictionary.AddMapping(string fileExtension, string mimeType)
Samuel Neff
Punkte
70231
UPDATE
Aktuelle Zuordnungen mit Ergänzungen von vielen Mitwirkenden finden Sie in diesem GitHub-Repository:
https://github.com/samuelneff/MimeTypeMap
und NuGet-Paket
https://www.nuget.org/packages/MimeTypeMapOfficial/
Ich habe festgestellt, dass viele Mime-Typen, die meine Anwendung verwendet, nicht in der Windows-Standardregistrierung enthalten sind, und andere sind zwar in der Registrierung, aber nicht in der mit IIS gelieferten Liste. Ich habe eine Liste aus diesen Orten zusammengestellt und einige andere hinzugefügt, die wir verwenden.
EDIT: Siehe die aktuellste Version mit Beiträgen ici einschließlich einer effizienten und deterministischen Zwei-Wege-Zuordnung.
private static IDictionary<string, string> _mappings = new Dictionary<string, string>(StringComparer.InvariantCultureIgnoreCase) {
#region Big freaking list of mime types
// combination of values from Windows 7 Registry and
// from C:\Windows\System32\inetsrv\config\applicationHost.config
// some added, including .7z and .dat
{".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/x-aiff"},
{".aifc", "audio/aiff"},
{".aiff", "audio/aiff"},
{".air", "application/vnd.adobe.air-application-installer-package+zip"},
{".amc", "application/x-mpeg"},
{".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"},
{".axs", "application/olescript"},
{".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"},
{".chm", "application/octet-stream"},
{".class", "application/x-java-applet"},
{".clp", "application/x-msclip"},
{".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"},
{".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"},
{".dwp", "application/octet-stream"},
{".dxr", "application/x-director"},
{".eml", "message/rfc822"},
{".emz", "application/octet-stream"},
{".eot", "application/octet-stream"},
{".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"},
{".flr", "x-world/x-vrml"},
{".flv", "video/x-flv"},
{".fsscript", "application/fsharp-script"},
{".fsx", "application/fsharp-script"},
{".generictest", "application/xml"},
{".gif", "image/gif"},
{".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"},
{".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/x-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"},
{".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"},
{".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"},
{".odc", "text/x-ms-odc"},
{".odh", "text/plain"},
{".odl", "text/plain"},
{".odp", "application/vnd.oasis.opendocument.presentation"},
{".ods", "application/oleobject"},
{".odt", "application/vnd.oasis.opendocument.text"},
{".one", "application/onenote"},
{".onea", "application/onenote"},
{".onepkg", "application/onenote"},
{".onetmp", "application/onenote"},
{".onetoc", "application/onenote"},
{".onetoc2", "application/onenote"},
{".orderedtest", "application/xml"},
{".osdx", "application/opensearchdescription+xml"},
{".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"},
{".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/octet-stream"},
{".ras", "image/x-cmu-raster"},
{".rat", "application/rat-file"},
{".rc", "text/plain"},
{".rc2", "text/plain"},
{".rct", "text/plain"},
{".rdlc", "application/xml"},
{".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"},
{".ruleset", "application/xml"},
{".s", "text/plain"},
{".safariextz", "application/x-safari-safariextz"},
{".scd", "application/x-msschedule"},
{".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"},
{".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"},
{".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"},
{".swf", "application/x-shockwave-flash"},
{".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/octet-stream"},
{".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"},
{".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"},
{".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"},
{".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"},
{".xtp", "application/octet-stream"},
{".xwd", "image/x-xwindowdump"},
{".z", "application/x-compress"},
{".zip", "application/x-zip-compressed"},
#endregion
};
public static string GetMimeType(string extension)
{
if (extension == null)
{
throw new ArgumentNullException("extension");
}
if (!extension.StartsWith("."))
{
extension = "." + extension;
}
string mime;
return _mappings.TryGetValue(extension, out mime) ? mime : "application/octet-stream";
}
Bryan Denny
Punkte
26927
Sie können diese Hilfsfunktion verwenden:
private string GetMimeType (string fileName)
{
string mimeType = "application/unknown";
string ext = System.IO.Path.GetExtension(fileName).ToLower();
Microsoft.Win32.RegistryKey regKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(ext);
if (regKey != null && regKey.GetValue("Content Type") != null)
mimeType = regKey.GetValue("Content Type").ToString();
return mimeType;
}
Warlock
Punkte
7083
Nur um zu machen Shimmy 's Antwort deutlicher:
var mimeType = MimeMapping.GetMimeMapping(fileName);System.Web.dll v4.5
// Summary:
// Returns the MIME mapping for the specified file name.
//
// Parameters:
// fileName:
// The file name that is used to determine the MIME type.
public static string GetMimeMapping(string fileName);
AnthonyVO
Punkte
3483
Ich mag die Arbeit von Samuel Neff, aber nicht die Idee und den Aufwand, jedes Mal ein Wörterbuch zu erstellen.
Ich habe die Dinge als Switch-Case umstrukturiert. Ja, man kann nicht darüber iterieren, aber in meinem Fall benutze ich es nur, um schnell einen Wert nachzuschlagen. Vor allem, weil es in einem Webdienst getan wird, ist das letzte, was ich will, ein Bündel von Overhead, wie die Anwendung bereitet seine Strukturen. Der Compiler wird dies in einen Hash-Lookup umwandeln und somit sehr schnell sein.
public static string GetMimeType(string extension)
{
if (extension == null)
throw new ArgumentNullException("extension");
if (extension.StartsWith("."))
extension = extension.Substring(1);
switch (extension.ToLower())
{
#region Big freaking list of mime types
case "323": return "text/h323";
case "3g2": return "video/3gpp2";
case "3gp": return "video/3gpp";
case "3gp2": return "video/3gpp2";
case "3gpp": return "video/3gpp";
case "7z": return "application/x-7z-compressed";
case "aa": return "audio/audible";
case "aac": return "audio/aac";
case "aaf": return "application/octet-stream";
case "aax": return "audio/vnd.audible.aax";
case "ac3": return "audio/ac3";
case "aca": return "application/octet-stream";
case "accda": return "application/msaccess.addin";
case "accdb": return "application/msaccess";
case "accdc": return "application/msaccess.cab";
case "accde": return "application/msaccess";
case "accdr": return "application/msaccess.runtime";
case "accdt": return "application/msaccess";
case "accdw": return "application/msaccess.webapplication";
case "accft": return "application/msaccess.ftemplate";
case "acx": return "application/internet-property-stream";
case "addin": return "text/xml";
case "ade": return "application/msaccess";
case "adobebridge": return "application/x-bridge-url";
case "adp": return "application/msaccess";
case "adt": return "audio/vnd.dlna.adts";
case "adts": return "audio/aac";
case "afm": return "application/octet-stream";
case "ai": return "application/postscript";
case "aif": return "audio/x-aiff";
case "aifc": return "audio/aiff";
case "aiff": return "audio/aiff";
case "air": return "application/vnd.adobe.air-application-installer-package+zip";
case "amc": return "application/x-mpeg";
case "application": return "application/x-ms-application";
case "art": return "image/x-jg";
case "asa": return "application/xml";
case "asax": return "application/xml";
case "ascx": return "application/xml";
case "asd": return "application/octet-stream";
case "asf": return "video/x-ms-asf";
case "ashx": return "application/xml";
case "asi": return "application/octet-stream";
case "asm": return "text/plain";
case "asmx": return "application/xml";
case "aspx": return "application/xml";
case "asr": return "video/x-ms-asf";
case "asx": return "video/x-ms-asf";
case "atom": return "application/atom+xml";
case "au": return "audio/basic";
case "avi": return "video/x-msvideo";
case "axs": return "application/olescript";
case "bas": return "text/plain";
case "bcpio": return "application/x-bcpio";
case "bin": return "application/octet-stream";
case "bmp": return "image/bmp";
case "c": return "text/plain";
case "cab": return "application/octet-stream";
case "caf": return "audio/x-caf";
case "calx": return "application/vnd.ms-office.calx";
case "cat": return "application/vnd.ms-pki.seccat";
case "cc": return "text/plain";
case "cd": return "text/plain";
case "cdda": return "audio/aiff";
case "cdf": return "application/x-cdf";
case "cer": return "application/x-x509-ca-cert";
case "chm": return "application/octet-stream";
case "class": return "application/x-java-applet";
case "clp": return "application/x-msclip";
case "cmx": return "image/x-cmx";
case "cnf": return "text/plain";
case "cod": return "image/cis-cod";
case "config": return "application/xml";
case "contact": return "text/x-ms-contact";
case "coverage": return "application/xml";
case "cpio": return "application/x-cpio";
case "cpp": return "text/plain";
case "crd": return "application/x-mscardfile";
case "crl": return "application/pkix-crl";
case "crt": return "application/x-x509-ca-cert";
case "cs": return "text/plain";
case "csdproj": return "text/plain";
case "csh": return "application/x-csh";
case "csproj": return "text/plain";
case "css": return "text/css";
case "csv": return "text/csv";
case "cur": return "application/octet-stream";
case "cxx": return "text/plain";
case "dat": return "application/octet-stream";
case "datasource": return "application/xml";
case "dbproj": return "text/plain";
case "dcr": return "application/x-director";
case "def": return "text/plain";
case "deploy": return "application/octet-stream";
case "der": return "application/x-x509-ca-cert";
case "dgml": return "application/xml";
case "dib": return "image/bmp";
case "dif": return "video/x-dv";
case "dir": return "application/x-director";
case "disco": return "text/xml";
case "dll": return "application/x-msdownload";
case "dll.config": return "text/xml";
case "dlm": return "text/dlm";
case "doc": return "application/msword";
case "docm": return "application/vnd.ms-word.document.macroenabled.12";
case "docx": return "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
case "dot": return "application/msword";
case "dotm": return "application/vnd.ms-word.template.macroenabled.12";
case "dotx": return "application/vnd.openxmlformats-officedocument.wordprocessingml.template";
case "dsp": return "application/octet-stream";
case "dsw": return "text/plain";
case "dtd": return "text/xml";
case "dtsconfig": return "text/xml";
case "dv": return "video/x-dv";
case "dvi": return "application/x-dvi";
case "dwf": return "drawing/x-dwf";
case "dwp": return "application/octet-stream";
case "dxr": return "application/x-director";
case "eml": return "message/rfc822";
case "emz": return "application/octet-stream";
case "eot": return "application/octet-stream";
case "eps": return "application/postscript";
case "etl": return "application/etl";
case "etx": return "text/x-setext";
case "evy": return "application/envoy";
case "exe": return "application/octet-stream";
case "exe.config": return "text/xml";
case "fdf": return "application/vnd.fdf";
case "fif": return "application/fractals";
case "filters": return "application/xml";
case "fla": return "application/octet-stream";
case "flr": return "x-world/x-vrml";
case "flv": return "video/x-flv";
case "fsscript": return "application/fsharp-script";
case "fsx": return "application/fsharp-script";
case "generictest": return "application/xml";
case "gif": return "image/gif";
case "group": return "text/x-ms-group";
case "gsm": return "audio/x-gsm";
case "gtar": return "application/x-gtar";
case "gz": return "application/x-gzip";
case "h": return "text/plain";
case "hdf": return "application/x-hdf";
case "hdml": return "text/x-hdml";
case "hhc": return "application/x-oleobject";
case "hhk": return "application/octet-stream";
case "hhp": return "application/octet-stream";
case "hlp": return "application/winhlp";
case "hpp": return "text/plain";
case "hqx": return "application/mac-binhex40";
case "hta": return "application/hta";
case "htc": return "text/x-component";
case "htm": return "text/html";
case "html": return "text/html";
case "htt": return "text/webviewhtml";
case "hxa": return "application/xml";
case "hxc": return "application/xml";
case "hxd": return "application/octet-stream";
case "hxe": return "application/xml";
case "hxf": return "application/xml";
case "hxh": return "application/octet-stream";
case "hxi": return "application/octet-stream";
case "hxk": return "application/xml";
case "hxq": return "application/octet-stream";
case "hxr": return "application/octet-stream";
case "hxs": return "application/octet-stream";
case "hxt": return "text/html";
case "hxv": return "application/xml";
case "hxw": return "application/octet-stream";
case "hxx": return "text/plain";
case "i": return "text/plain";
case "ico": return "image/x-icon";
case "ics": return "application/octet-stream";
case "idl": return "text/plain";
case "ief": return "image/ief";
case "iii": return "application/x-iphone";
case "inc": return "text/plain";
case "inf": return "application/octet-stream";
case "inl": return "text/plain";
case "ins": return "application/x-internet-signup";
case "ipa": return "application/x-itunes-ipa";
case "ipg": return "application/x-itunes-ipg";
case "ipproj": return "text/plain";
case "ipsw": return "application/x-itunes-ipsw";
case "iqy": return "text/x-ms-iqy";
case "isp": return "application/x-internet-signup";
case "ite": return "application/x-itunes-ite";
case "itlp": return "application/x-itunes-itlp";
case "itms": return "application/x-itunes-itms";
case "itpc": return "application/x-itunes-itpc";
case "ivf": return "video/x-ivf";
case "jar": return "application/java-archive";
case "java": return "application/octet-stream";
case "jck": return "application/liquidmotion";
case "jcz": return "application/liquidmotion";
case "jfif": return "image/pjpeg";
case "jnlp": return "application/x-java-jnlp-file";
case "jpb": return "application/octet-stream";
case "jpe": return "image/jpeg";
case "jpeg": return "image/jpeg";
case "jpg": return "image/jpeg";
case "js": return "application/x-javascript";
case "jsx": return "text/jscript";
case "jsxbin": return "text/plain";
case "latex": return "application/x-latex";
case "library-ms": return "application/windows-library+xml";
case "lit": return "application/x-ms-reader";
case "loadtest": return "application/xml";
case "lpk": return "application/octet-stream";
case "lsf": return "video/x-la-asf";
case "lst": return "text/plain";
case "lsx": return "video/x-la-asf";
case "lzh": return "application/octet-stream";
case "m13": return "application/x-msmediaview";
case "m14": return "application/x-msmediaview";
case "m1v": return "video/mpeg";
case "m2t": return "video/vnd.dlna.mpeg-tts";
case "m2ts": return "video/vnd.dlna.mpeg-tts";
case "m2v": return "video/mpeg";
case "m3u": return "audio/x-mpegurl";
case "m3u8": return "audio/x-mpegurl";
case "m4a": return "audio/m4a";
case "m4b": return "audio/m4b";
case "m4p": return "audio/m4p";
case "m4r": return "audio/x-m4r";
case "m4v": return "video/x-m4v";
case "mac": return "image/x-macpaint";
case "mak": return "text/plain";
case "man": return "application/x-troff-man";
case "manifest": return "application/x-ms-manifest";
case "map": return "text/plain";
case "master": return "application/xml";
case "mda": return "application/msaccess";
case "mdb": return "application/x-msaccess";
case "mde": return "application/msaccess";
case "mdp": return "application/octet-stream";
case "me": return "application/x-troff-me";
case "mfp": return "application/x-shockwave-flash";
case "mht": return "message/rfc822";
case "mhtml": return "message/rfc822";
case "mid": return "audio/mid";
case "midi": return "audio/mid";
case "mix": return "application/octet-stream";
case "mk": return "text/plain";
case "mmf": return "application/x-smaf";
case "mno": return "text/xml";
case "mny": return "application/x-msmoney";
case "mod": return "video/mpeg";
case "mov": return "video/quicktime";
case "movie": return "video/x-sgi-movie";
case "mp2": return "video/mpeg";
case "mp2v": return "video/mpeg";
case "mp3": return "audio/mpeg";
case "mp4": return "video/mp4";
case "mp4v": return "video/mp4";
case "mpa": return "video/mpeg";
case "mpe": return "video/mpeg";
case "mpeg": return "video/mpeg";
case "mpf": return "application/vnd.ms-mediapackage";
case "mpg": return "video/mpeg";
case "mpp": return "application/vnd.ms-project";
case "mpv2": return "video/mpeg";
case "mqv": return "video/quicktime";
case "ms": return "application/x-troff-ms";
case "msi": return "application/octet-stream";
case "mso": return "application/octet-stream";
case "mts": return "video/vnd.dlna.mpeg-tts";
case "mtx": return "application/xml";
case "mvb": return "application/x-msmediaview";
case "mvc": return "application/x-miva-compiled";
case "mxp": return "application/x-mmxp";
case "nc": return "application/x-netcdf";
case "nsc": return "video/x-ms-asf";
case "nws": return "message/rfc822";
case "ocx": return "application/octet-stream";
case "oda": return "application/oda";
case "odc": return "text/x-ms-odc";
case "odh": return "text/plain";
case "odl": return "text/plain";
case "odp": return "application/vnd.oasis.opendocument.presentation";
case "ods": return "application/oleobject";
case "odt": return "application/vnd.oasis.opendocument.text";
case "one": return "application/onenote";
case "onea": return "application/onenote";
case "onepkg": return "application/onenote";
case "onetmp": return "application/onenote";
case "onetoc": return "application/onenote";
case "onetoc2": return "application/onenote";
case "orderedtest": return "application/xml";
case "osdx": return "application/opensearchdescription+xml";
case "p10": return "application/pkcs10";
case "p12": return "application/x-pkcs12";
case "p7b": return "application/x-pkcs7-certificates";
case "p7c": return "application/pkcs7-mime";
case "p7m": return "application/pkcs7-mime";
case "p7r": return "application/x-pkcs7-certreqresp";
case "p7s": return "application/pkcs7-signature";
case "pbm": return "image/x-portable-bitmap";
case "pcast": return "application/x-podcast";
case "pct": return "image/pict";
case "pcx": return "application/octet-stream";
case "pcz": return "application/octet-stream";
case "pdf": return "application/pdf";
case "pfb": return "application/octet-stream";
case "pfm": return "application/octet-stream";
case "pfx": return "application/x-pkcs12";
case "pgm": return "image/x-portable-graymap";
case "pic": return "image/pict";
case "pict": return "image/pict";
case "pkgdef": return "text/plain";
case "pkgundef": return "text/plain";
case "pko": return "application/vnd.ms-pki.pko";
case "pls": return "audio/scpls";
case "pma": return "application/x-perfmon";
case "pmc": return "application/x-perfmon";
case "pml": return "application/x-perfmon";
case "pmr": return "application/x-perfmon";
case "pmw": return "application/x-perfmon";
case "png": return "image/png";
case "pnm": return "image/x-portable-anymap";
case "pnt": return "image/x-macpaint";
case "pntg": return "image/x-macpaint";
case "pnz": return "image/png";
case "pot": return "application/vnd.ms-powerpoint";
case "potm": return "application/vnd.ms-powerpoint.template.macroenabled.12";
case "potx": return "application/vnd.openxmlformats-officedocument.presentationml.template";
case "ppa": return "application/vnd.ms-powerpoint";
case "ppam": return "application/vnd.ms-powerpoint.addin.macroenabled.12";
case "ppm": return "image/x-portable-pixmap";
case "pps": return "application/vnd.ms-powerpoint";
case "ppsm": return "application/vnd.ms-powerpoint.slideshow.macroenabled.12";
case "ppsx": return "application/vnd.openxmlformats-officedocument.presentationml.slideshow";
case "ppt": return "application/vnd.ms-powerpoint";
case "pptm": return "application/vnd.ms-powerpoint.presentation.macroenabled.12";
case "pptx": return "application/vnd.openxmlformats-officedocument.presentationml.presentation";
case "prf": return "application/pics-rules";
case "prm": return "application/octet-stream";
case "prx": return "application/octet-stream";
case "ps": return "application/postscript";
case "psc1": return "application/powershell";
case "psd": return "application/octet-stream";
case "psess": return "application/xml";
case "psm": return "application/octet-stream";
case "psp": return "application/octet-stream";
case "pub": return "application/x-mspublisher";
case "pwz": return "application/vnd.ms-powerpoint";
case "qht": return "text/x-html-insertion";
case "qhtm": return "text/x-html-insertion";
case "qt": return "video/quicktime";
case "qti": return "image/x-quicktime";
case "qtif": return "image/x-quicktime";
case "qtl": return "application/x-quicktimeplayer";
case "qxd": return "application/octet-stream";
case "ra": return "audio/x-pn-realaudio";
case "ram": return "audio/x-pn-realaudio";
case "rar": return "application/octet-stream";
case "ras": return "image/x-cmu-raster";
case "rat": return "application/rat-file";
case "rc": return "text/plain";
case "rc2": return "text/plain";
case "rct": return "text/plain";
case "rdlc": return "application/xml";
case "resx": return "application/xml";
case "rf": return "image/vnd.rn-realflash";
case "rgb": return "image/x-rgb";
case "rgs": return "text/plain";
case "rm": return "application/vnd.rn-realmedia";
case "rmi": return "audio/mid";
case "rmp": return "application/vnd.rn-rn_music_package";
case "roff": return "application/x-troff";
case "rpm": return "audio/x-pn-realaudio-plugin";
case "rqy": return "text/x-ms-rqy";
case "rtf": return "application/rtf";
case "rtx": return "text/richtext";
case "ruleset": return "application/xml";
case "s": return "text/plain";
case "safariextz": return "application/x-safari-safariextz";
case "scd": return "application/x-msschedule";
case "sct": return "text/scriptlet";
case "sd2": return "audio/x-sd2";
case "sdp": return "application/sdp";
case "sea": return "application/octet-stream";
case "searchconnector-ms": return "application/windows-search-connector+xml";
case "setpay": return "application/set-payment-initiation";
case "setreg": return "application/set-registration-initiation";
case "settings": return "application/xml";
case "sgimb": return "application/x-sgimb";
case "sgml": return "text/sgml";
case "sh": return "application/x-sh";
case "shar": return "application/x-shar";
case "shtml": return "text/html";
case "sit": return "application/x-stuffit";
case "sitemap": return "application/xml";
case "skin": return "application/xml";
case "sldm": return "application/vnd.ms-powerpoint.slide.macroenabled.12";
case "sldx": return "application/vnd.openxmlformats-officedocument.presentationml.slide";
case "slk": return "application/vnd.ms-excel";
case "sln": return "text/plain";
case "slupkg-ms": return "application/x-ms-license";
case "smd": return "audio/x-smd";
case "smi": return "application/octet-stream";
case "smx": return "audio/x-smd";
case "smz": return "audio/x-smd";
case "snd": return "audio/basic";
case "snippet": return "application/xml";
case "snp": return "application/octet-stream";
case "sol": return "text/plain";
case "sor": return "text/plain";
case "spc": return "application/x-pkcs7-certificates";
case "spl": return "application/futuresplash";
case "src": return "application/x-wais-source";
case "srf": return "text/plain";
case "ssisdeploymentmanifest": return "text/xml";
case "ssm": return "application/streamingmedia";
case "sst": return "application/vnd.ms-pki.certstore";
case "stl": return "application/vnd.ms-pki.stl";
case "sv4cpio": return "application/x-sv4cpio";
case "sv4crc": return "application/x-sv4crc";
case "svc": return "application/xml";
case "swf": return "application/x-shockwave-flash";
case "t": return "application/x-troff";
case "tar": return "application/x-tar";
case "tcl": return "application/x-tcl";
case "testrunconfig": return "application/xml";
case "testsettings": return "application/xml";
case "tex": return "application/x-tex";
case "texi": return "application/x-texinfo";
case "texinfo": return "application/x-texinfo";
case "tgz": return "application/x-compressed";
case "thmx": return "application/vnd.ms-officetheme";
case "thn": return "application/octet-stream";
case "tif": return "image/tiff";
case "tiff": return "image/tiff";
case "tlh": return "text/plain";
case "tli": return "text/plain";
case "toc": return "application/octet-stream";
case "tr": return "application/x-troff";
case "trm": return "application/x-msterminal";
case "trx": return "application/xml";
case "ts": return "video/vnd.dlna.mpeg-tts";
case "tsv": return "text/tab-separated-values";
case "ttf": return "application/octet-stream";
case "tts": return "video/vnd.dlna.mpeg-tts";
case "txt": return "text/plain";
case "u32": return "application/octet-stream";
case "uls": return "text/iuls";
case "user": return "text/plain";
case "ustar": return "application/x-ustar";
case "vb": return "text/plain";
case "vbdproj": return "text/plain";
case "vbk": return "video/mpeg";
case "vbproj": return "text/plain";
case "vbs": return "text/vbscript";
case "vcf": return "text/x-vcard";
case "vcproj": return "application/xml";
case "vcs": return "text/plain";
case "vcxproj": return "application/xml";
case "vddproj": return "text/plain";
case "vdp": return "text/plain";
case "vdproj": return "text/plain";
case "vdx": return "application/vnd.ms-visio.viewer";
case "vml": return "text/xml";
case "vscontent": return "application/xml";
case "vsct": return "text/xml";
case "vsd": return "application/vnd.visio";
case "vsi": return "application/ms-vsi";
case "vsix": return "application/vsix";
case "vsixlangpack": return "text/xml";
case "vsixmanifest": return "text/xml";
case "vsmdi": return "application/xml";
case "vspscc": return "text/plain";
case "vss": return "application/vnd.visio";
case "vsscc": return "text/plain";
case "vssettings": return "text/xml";
case "vssscc": return "text/plain";
case "vst": return "application/vnd.visio";
case "vstemplate": return "text/xml";
case "vsto": return "application/x-ms-vsto";
case "vsw": return "application/vnd.visio";
case "vsx": return "application/vnd.visio";
case "vtx": return "application/vnd.visio";
case "wav": return "audio/wav";
case "wave": return "audio/wav";
case "wax": return "audio/x-ms-wax";
case "wbk": return "application/msword";
case "wbmp": return "image/vnd.wap.wbmp";
case "wcm": return "application/vnd.ms-works";
case "wdb": return "application/vnd.ms-works";
case "wdp": return "image/vnd.ms-photo";
case "webarchive": return "application/x-safari-webarchive";
case "webtest": return "application/xml";
case "wiq": return "application/xml";
case "wiz": return "application/msword";
case "wks": return "application/vnd.ms-works";
case "wlmp": return "application/wlmoviemaker";
case "wlpginstall": return "application/x-wlpg-detect";
case "wlpginstall3": return "application/x-wlpg3-detect";
case "wm": return "video/x-ms-wm";
case "wma": return "audio/x-ms-wma";
case "wmd": return "application/x-ms-wmd";
case "wmf": return "application/x-msmetafile";
case "wml": return "text/vnd.wap.wml";
case "wmlc": return "application/vnd.wap.wmlc";
case "wmls": return "text/vnd.wap.wmlscript";
case "wmlsc": return "application/vnd.wap.wmlscriptc";
case "wmp": return "video/x-ms-wmp";
case "wmv": return "video/x-ms-wmv";
case "wmx": return "video/x-ms-wmx";
case "wmz": return "application/x-ms-wmz";
case "wpl": return "application/vnd.ms-wpl";
case "wps": return "application/vnd.ms-works";
case "wri": return "application/x-mswrite";
case "wrl": return "x-world/x-vrml";
case "wrz": return "x-world/x-vrml";
case "wsc": return "text/scriptlet";
case "wsdl": return "text/xml";
case "wvx": return "video/x-ms-wvx";
case "x": return "application/directx";
case "xaf": return "x-world/x-vrml";
case "xaml": return "application/xaml+xml";
case "xap": return "application/x-silverlight-app";
case "xbap": return "application/x-ms-xbap";
case "xbm": return "image/x-xbitmap";
case "xdr": return "text/plain";
case "xht": return "application/xhtml+xml";
case "xhtml": return "application/xhtml+xml";
case "xla": return "application/vnd.ms-excel";
case "xlam": return "application/vnd.ms-excel.addin.macroenabled.12";
case "xlc": return "application/vnd.ms-excel";
case "xld": return "application/vnd.ms-excel";
case "xlk": return "application/vnd.ms-excel";
case "xll": return "application/vnd.ms-excel";
case "xlm": return "application/vnd.ms-excel";
case "xls": return "application/vnd.ms-excel";
case "xlsb": return "application/vnd.ms-excel.sheet.binary.macroenabled.12";
case "xlsm": return "application/vnd.ms-excel.sheet.macroenabled.12";
case "xlsx": return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
case "xlt": return "application/vnd.ms-excel";
case "xltm": return "application/vnd.ms-excel.template.macroenabled.12";
case "xltx": return "application/vnd.openxmlformats-officedocument.spreadsheetml.template";
case "xlw": return "application/vnd.ms-excel";
case "xml": return "text/xml";
case "xmta": return "application/xml";
case "xof": return "x-world/x-vrml";
case "xoml": return "text/plain";
case "xpm": return "image/x-xpixmap";
case "xps": return "application/vnd.ms-xpsdocument";
case "xrm-ms": return "text/xml";
case "xsc": return "application/xml";
case "xsd": return "text/xml";
case "xsf": return "text/xml";
case "xsl": return "text/xml";
case "xslt": return "text/xml";
case "xsn": return "application/octet-stream";
case "xss": return "application/xml";
case "xtp": return "application/octet-stream";
case "xwd": return "image/x-xwindowdump";
case "z": return "application/x-compress";
case "zip": return "application/x-zip-compressed";
#endregion
default: return "application/octet-stream";
}
}- See previous answers
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