diff --git a/src/lib/CHANGELOG.md b/src/lib/CHANGELOG.md
index 7bf82e2cb..ce525ca49 100644
--- a/src/lib/CHANGELOG.md
+++ b/src/lib/CHANGELOG.md
@@ -18,6 +18,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
- Removed references to the PnP Management Shell app (`31359c7f-bd7e-475c-86db-fdb8c937548e`) [jansenbe - Bert Jansen]
- Fix check for HeaderTypes as new PageTitle WebPart in OneColumnFullWIth is not always in first section #1066 [czullu - Christian Zuellig]
- Updated assembly versions #1073 [gautamdsheth - Gautam Sheth]
+- Removed dependecy on Microsoft.AspNetCore.StaticFiles #1088 [jansenbe - Bert Jansen]
## [1.17.0]
diff --git a/src/lib/PnP.Framework.Test/Framework/ObjectHandlers/ObjectTeamsTests.cs b/src/lib/PnP.Framework.Test/Framework/ObjectHandlers/ObjectTeamsTests.cs
index c3ce1c13a..e64008a35 100644
--- a/src/lib/PnP.Framework.Test/Framework/ObjectHandlers/ObjectTeamsTests.cs
+++ b/src/lib/PnP.Framework.Test/Framework/ObjectHandlers/ObjectTeamsTests.cs
@@ -1,5 +1,4 @@
-using Microsoft.AspNetCore.Http.Features.Authentication;
-using Microsoft.Online.SharePoint.TenantAdministration;
+using Microsoft.Online.SharePoint.TenantAdministration;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Newtonsoft.Json.Linq;
using PnP.Core.Model.SharePoint;
diff --git a/src/lib/PnP.Framework/PnP.Framework.csproj b/src/lib/PnP.Framework/PnP.Framework.csproj
index dc9cd0490..49eebe7b9 100644
--- a/src/lib/PnP.Framework/PnP.Framework.csproj
+++ b/src/lib/PnP.Framework/PnP.Framework.csproj
@@ -241,7 +241,6 @@
-
diff --git a/src/lib/PnP.Framework/Provisioning/ObjectHandlers/ObjectTeams.cs b/src/lib/PnP.Framework/Provisioning/ObjectHandlers/ObjectTeams.cs
index 0db1e8638..30ed35fe2 100644
--- a/src/lib/PnP.Framework/Provisioning/ObjectHandlers/ObjectTeams.cs
+++ b/src/lib/PnP.Framework/Provisioning/ObjectHandlers/ObjectTeams.cs
@@ -1,5 +1,4 @@
-using Microsoft.AspNetCore.StaticFiles;
-using Microsoft.Online.SharePoint.TenantAdministration;
+using Microsoft.Online.SharePoint.TenantAdministration;
using Microsoft.SharePoint.Client;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
diff --git a/src/lib/PnP.Framework/Utilities/FileExtensionContentTypeProvider.cs b/src/lib/PnP.Framework/Utilities/FileExtensionContentTypeProvider.cs
new file mode 100644
index 000000000..08e8870d7
--- /dev/null
+++ b/src/lib/PnP.Framework/Utilities/FileExtensionContentTypeProvider.cs
@@ -0,0 +1,460 @@
+using System;
+using System.Collections.Generic;
+
+namespace PnP.Framework.Utilities
+{
+ ///
+ /// Provides a mapping between file extensions and MIME types.
+ ///
+ public class FileExtensionContentTypeProvider
+ {
+ // Notes:
+ // - This table was initially copied from IIS and has many legacy entries we will maintain for backwards compatibility.
+ // - We only plan to add new entries where we expect them to be applicable to a majority of developers such as being
+ // used in the project templates.
+ #region Extension mapping table
+ ///
+ /// Creates a new provider with a set of default mappings.
+ ///
+ public FileExtensionContentTypeProvider()
+ : this(new Dictionary(StringComparer.OrdinalIgnoreCase)
+ {
+ { ".323", "text/h323" },
+ { ".3g2", "video/3gpp2" },
+ { ".3gp2", "video/3gpp2" },
+ { ".3gp", "video/3gpp" },
+ { ".3gpp", "video/3gpp" },
+ { ".aac", "audio/aac" },
+ { ".aaf", "application/octet-stream" },
+ { ".aca", "application/octet-stream" },
+ { ".accdb", "application/msaccess" },
+ { ".accde", "application/msaccess" },
+ { ".accdt", "application/msaccess" },
+ { ".acx", "application/internet-property-stream" },
+ { ".adt", "audio/vnd.dlna.adts" },
+ { ".adts", "audio/vnd.dlna.adts" },
+ { ".afm", "application/octet-stream" },
+ { ".ai", "application/postscript" },
+ { ".aif", "audio/x-aiff" },
+ { ".aifc", "audio/aiff" },
+ { ".aiff", "audio/aiff" },
+ { ".appcache", "text/cache-manifest" },
+ { ".application", "application/x-ms-application" },
+ { ".art", "image/x-jg" },
+ { ".asd", "application/octet-stream" },
+ { ".asf", "video/x-ms-asf" },
+ { ".asi", "application/octet-stream" },
+ { ".asm", "text/plain" },
+ { ".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/vnd.ms-cab-compressed" },
+ { ".calx", "application/vnd.ms-office.calx" },
+ { ".cat", "application/vnd.ms-pki.seccat" },
+ { ".cdf", "application/x-cdf" },
+ { ".chm", "application/octet-stream" },
+ { ".class", "application/x-java-applet" },
+ { ".clp", "application/x-msclip" },
+ { ".cmx", "image/x-cmx" },
+ { ".cnf", "text/plain" },
+ { ".cod", "image/cis-cod" },
+ { ".cpio", "application/x-cpio" },
+ { ".cpp", "text/plain" },
+ { ".crd", "application/x-mscardfile" },
+ { ".crl", "application/pkix-crl" },
+ { ".crt", "application/x-x509-ca-cert" },
+ { ".csh", "application/x-csh" },
+ { ".css", "text/css" },
+ { ".csv", "text/csv" }, // https://tools.ietf.org/html/rfc7111#section-5.1
+ { ".cur", "application/octet-stream" },
+ { ".dcr", "application/x-director" },
+ { ".deploy", "application/octet-stream" },
+ { ".der", "application/x-x509-ca-cert" },
+ { ".dib", "image/bmp" },
+ { ".dir", "application/x-director" },
+ { ".disco", "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" },
+ { ".dtd", "text/xml" },
+ { ".dvi", "application/x-dvi" },
+ { ".dvr-ms", "video/x-ms-dvr" },
+ { ".dwf", "drawing/x-dwf" },
+ { ".dwp", "application/octet-stream" },
+ { ".dxr", "application/x-director" },
+ { ".eml", "message/rfc822" },
+ { ".emz", "application/octet-stream" },
+ { ".eot", "application/vnd.ms-fontobject" },
+ { ".eps", "application/postscript" },
+ { ".etx", "text/x-setext" },
+ { ".evy", "application/envoy" },
+ { ".exe", "application/vnd.microsoft.portable-executable" }, // https://www.iana.org/assignments/media-types/application/vnd.microsoft.portable-executable
+ { ".fdf", "application/vnd.fdf" },
+ { ".fif", "application/fractals" },
+ { ".fla", "application/octet-stream" },
+ { ".flr", "x-world/x-vrml" },
+ { ".flv", "video/x-flv" },
+ { ".gif", "image/gif" },
+ { ".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" },
+ { ".hqx", "application/mac-binhex40" },
+ { ".hta", "application/hta" },
+ { ".htc", "text/x-component" },
+ { ".htm", "text/html" },
+ { ".html", "text/html" },
+ { ".htt", "text/webviewhtml" },
+ { ".hxt", "text/html" },
+ { ".ical", "text/calendar" },
+ { ".icalendar", "text/calendar" },
+ { ".ico", "image/x-icon" },
+ { ".ics", "text/calendar" },
+ { ".ief", "image/ief" },
+ { ".ifb", "text/calendar" },
+ { ".iii", "application/x-iphone" },
+ { ".inf", "application/octet-stream" },
+ { ".ins", "application/x-internet-signup" },
+ { ".isp", "application/x-internet-signup" },
+ { ".IVF", "video/x-ivf" },
+ { ".jar", "application/java-archive" },
+ { ".java", "application/octet-stream" },
+ { ".jck", "application/liquidmotion" },
+ { ".jcz", "application/liquidmotion" },
+ { ".jfif", "image/pjpeg" },
+ { ".jpb", "application/octet-stream" },
+ { ".jpe", "image/jpeg" },
+ { ".jpeg", "image/jpeg" },
+ { ".jpg", "image/jpeg" },
+ { ".js", "text/javascript" },
+ { ".json", "application/json" },
+ { ".jsx", "text/jscript" },
+ { ".latex", "application/x-latex" },
+ { ".lit", "application/x-ms-reader" },
+ { ".lpk", "application/octet-stream" },
+ { ".lsf", "video/x-la-asf" },
+ { ".lsx", "video/x-la-asf" },
+ { ".lzh", "application/octet-stream" },
+ { ".m13", "application/x-msmediaview" },
+ { ".m14", "application/x-msmediaview" },
+ { ".m1v", "video/mpeg" },
+ { ".m2ts", "video/vnd.dlna.mpeg-tts" },
+ { ".m3u", "audio/x-mpegurl" },
+ { ".m4a", "audio/mp4" },
+ { ".m4v", "video/mp4" },
+ { ".man", "application/x-troff-man" },
+ { ".manifest", "application/x-ms-manifest" },
+ { ".map", "text/plain" },
+ { ".markdown", "text/markdown" },
+ { ".md", "text/markdown" },
+ { ".mdb", "application/x-msaccess" },
+ { ".mdp", "application/octet-stream" },
+ { ".me", "application/x-troff-me" },
+ { ".mht", "message/rfc822" },
+ { ".mhtml", "message/rfc822" },
+ { ".mid", "audio/mid" },
+ { ".midi", "audio/mid" },
+ { ".mix", "application/octet-stream" },
+ { ".mjs", "text/javascript" },
+ { ".mmf", "application/x-smaf" },
+ { ".mno", "text/xml" },
+ { ".mny", "application/x-msmoney" },
+ { ".mov", "video/quicktime" },
+ { ".movie", "video/x-sgi-movie" },
+ { ".mp2", "video/mpeg" },
+ { ".mp3", "audio/mpeg" },
+ { ".mp4", "video/mp4" },
+ { ".mp4v", "video/mp4" },
+ { ".mpa", "video/mpeg" },
+ { ".mpe", "video/mpeg" },
+ { ".mpeg", "video/mpeg" },
+ { ".mpg", "video/mpeg" },
+ { ".mpp", "application/vnd.ms-project" },
+ { ".mpv2", "video/mpeg" },
+ { ".ms", "application/x-troff-ms" },
+ { ".msi", "application/octet-stream" },
+ { ".mso", "application/octet-stream" },
+ { ".mvb", "application/x-msmediaview" },
+ { ".mvc", "application/x-miva-compiled" },
+ { ".nc", "application/x-netcdf" },
+ { ".nsc", "video/x-ms-asf" },
+ { ".nws", "message/rfc822" },
+ { ".ocx", "application/octet-stream" },
+ { ".oda", "application/oda" },
+ { ".odc", "text/x-ms-odc" },
+ { ".ods", "application/oleobject" },
+ { ".oga", "audio/ogg" },
+ { ".ogg", "video/ogg" },
+ { ".ogv", "video/ogg" },
+ { ".ogx", "application/ogg" },
+ { ".one", "application/onenote" },
+ { ".onea", "application/onenote" },
+ { ".onetoc", "application/onenote" },
+ { ".onetoc2", "application/onenote" },
+ { ".onetmp", "application/onenote" },
+ { ".onepkg", "application/onenote" },
+ { ".osdx", "application/opensearchdescription+xml" },
+ { ".otf", "font/otf" },
+ { ".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" },
+ { ".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" },
+ { ".pko", "application/vnd.ms-pki.pko" },
+ { ".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" },
+ { ".pnz", "image/png" },
+ { ".pot", "application/vnd.ms-powerpoint" },
+ { ".potm", "application/vnd.ms-powerpoint.template.macroEnabled.12" },
+ { ".potx", "application/vnd.openxmlformats-officedocument.presentationml.template" },
+ { ".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" },
+ { ".psd", "application/octet-stream" },
+ { ".psm", "application/octet-stream" },
+ { ".psp", "application/octet-stream" },
+ { ".pub", "application/x-mspublisher" },
+ { ".qt", "video/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" },
+ { ".rf", "image/vnd.rn-realflash" },
+ { ".rgb", "image/x-rgb" },
+ { ".rm", "application/vnd.rn-realmedia" },
+ { ".rmi", "audio/mid" },
+ { ".roff", "application/x-troff" },
+ { ".rpm", "audio/x-pn-realaudio-plugin" },
+ { ".rtf", "application/rtf" },
+ { ".rtx", "text/richtext" },
+ { ".scd", "application/x-msschedule" },
+ { ".sct", "text/scriptlet" },
+ { ".sea", "application/octet-stream" },
+ { ".setpay", "application/set-payment-initiation" },
+ { ".setreg", "application/set-registration-initiation" },
+ { ".sgml", "text/sgml" },
+ { ".sh", "application/x-sh" },
+ { ".shar", "application/x-shar" },
+ { ".sit", "application/x-stuffit" },
+ { ".sldm", "application/vnd.ms-powerpoint.slide.macroEnabled.12" },
+ { ".sldx", "application/vnd.openxmlformats-officedocument.presentationml.slide" },
+ { ".smd", "audio/x-smd" },
+ { ".smi", "application/octet-stream" },
+ { ".smx", "audio/x-smd" },
+ { ".smz", "audio/x-smd" },
+ { ".snd", "audio/basic" },
+ { ".snp", "application/octet-stream" },
+ { ".spc", "application/x-pkcs7-certificates" },
+ { ".spl", "application/futuresplash" },
+ { ".spx", "audio/ogg" },
+ { ".src", "application/x-wais-source" },
+ { ".ssm", "application/streamingmedia" },
+ { ".sst", "application/vnd.ms-pki.certstore" },
+ { ".stl", "application/vnd.ms-pki.stl" },
+ { ".sv4cpio", "application/x-sv4cpio" },
+ { ".sv4crc", "application/x-sv4crc" },
+ { ".svg", "image/svg+xml" },
+ { ".svgz", "image/svg+xml" },
+ { ".swf", "application/x-shockwave-flash" },
+ { ".t", "application/x-troff" },
+ { ".tar", "application/x-tar" },
+ { ".tcl", "application/x-tcl" },
+ { ".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" },
+ { ".toc", "application/octet-stream" },
+ { ".tr", "application/x-troff" },
+ { ".trm", "application/x-msterminal" },
+ { ".ts", "video/vnd.dlna.mpeg-tts" },
+ { ".tsv", "text/tab-separated-values" },
+ { ".ttc", "application/x-font-ttf" },
+ { ".ttf", "application/x-font-ttf" },
+ { ".tts", "video/vnd.dlna.mpeg-tts" },
+ { ".txt", "text/plain" },
+ { ".u32", "application/octet-stream" },
+ { ".uls", "text/iuls" },
+ { ".ustar", "application/x-ustar" },
+ { ".vbs", "text/vbscript" },
+ { ".vcf", "text/x-vcard" },
+ { ".vcs", "text/plain" },
+ { ".vdx", "application/vnd.ms-visio.viewer" },
+ { ".vml", "text/xml" },
+ { ".vsd", "application/vnd.visio" },
+ { ".vss", "application/vnd.visio" },
+ { ".vst", "application/vnd.visio" },
+ { ".vsto", "application/x-ms-vsto" },
+ { ".vsw", "application/vnd.visio" },
+ { ".vsx", "application/vnd.visio" },
+ { ".vtx", "application/vnd.visio" },
+ { ".wasm", "application/wasm" },
+ { ".wav", "audio/wav" },
+ { ".wax", "audio/x-ms-wax" },
+ { ".wbmp", "image/vnd.wap.wbmp" },
+ { ".wcm", "application/vnd.ms-works" },
+ { ".wdb", "application/vnd.ms-works" },
+ { ".webm", "video/webm" },
+ { ".webmanifest", "application/manifest+json" }, // https://w3c.github.io/manifest/#media-type-registration
+ { ".webp", "image/webp" },
+ { ".wks", "application/vnd.ms-works" },
+ { ".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" }, // https://www.w3.org/TR/WOFF/#appendix-b
+ { ".woff2", "font/woff2" }, // https://www.w3.org/TR/WOFF2/#IMT
+ { ".wps", "application/vnd.ms-works" },
+ { ".wri", "application/x-mswrite" },
+ { ".wrl", "x-world/x-vrml" },
+ { ".wrz", "x-world/x-vrml" },
+ { ".wsdl", "text/xml" },
+ { ".wtv", "video/x-ms-wtv" },
+ { ".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" },
+ { ".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" },
+ { ".xof", "x-world/x-vrml" },
+ { ".xpm", "image/x-xpixmap" },
+ { ".xps", "application/vnd.ms-xpsdocument" },
+ { ".xsd", "text/xml" },
+ { ".xsf", "text/xml" },
+ { ".xsl", "text/xml" },
+ { ".xslt", "text/xml" },
+ { ".xsn", "application/octet-stream" },
+ { ".xtp", "application/octet-stream" },
+ { ".xwd", "image/x-xwindowdump" },
+ { ".z", "application/x-compress" },
+ { ".zip", "application/x-zip-compressed" },
+ })
+ {
+ }
+ #endregion
+
+ ///
+ /// Creates a lookup engine using the provided mapping.
+ /// It is recommended that the IDictionary instance use StringComparer.OrdinalIgnoreCase.
+ ///
+ ///
+ public FileExtensionContentTypeProvider(IDictionary mapping)
+ {
+ Mappings = mapping;
+ }
+
+ ///
+ /// The cross reference table of file extensions and content-types.
+ ///
+ public IDictionary Mappings { get; private set; }
+
+ ///
+ /// Given a file path, determine the MIME type
+ ///
+ /// A file path
+ /// The resulting MIME type
+ /// True if MIME type could be determined
+ public bool TryGetContentType(string subpath, out string contentType)
+ {
+ var extension = GetExtension(subpath);
+ if (extension == null)
+ {
+ contentType = null;
+ return false;
+ }
+ return Mappings.TryGetValue(extension, out contentType);
+ }
+
+ private static string? GetExtension(string path)
+ {
+ // Don't use Path.GetExtension as that may throw an exception if there are
+ // invalid characters in the path. Invalid characters should be handled
+ // by the FileProviders
+
+ if (string.IsNullOrWhiteSpace(path))
+ {
+ return null;
+ }
+
+ int index = path.LastIndexOf('.');
+ if (index < 0)
+ {
+ return null;
+ }
+
+ return path.Substring(index);
+ }
+ }
+}
\ No newline at end of file