499 lines
28 KiB
C#
499 lines
28 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="MimeMapping.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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/*++
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MimeMapping : This module maps document extensions to Content Mime Type.
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Copyright (c) 2011 Microsoft Corporation
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--*/
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namespace System.Web {
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Web.Hosting;
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using System.Web.Util;
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public static class MimeMapping {
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private static MimeMappingDictionaryBase _mappingDictionary = new MimeMappingDictionaryClassic();
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public static string GetMimeMapping(string fileName) {
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if (fileName == null) {
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throw new ArgumentNullException("fileName");
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}
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return _mappingDictionary.GetMimeMapping(fileName);
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}
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internal static void SetIntegratedApplicationContext(IntPtr appContext) {
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_mappingDictionary = new MimeMappingDictionaryIntegrated(appContext);
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}
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private abstract class MimeMappingDictionaryBase {
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private readonly Dictionary<string, string> _mappings = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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private static readonly char[] _pathSeparatorChars = new char[] { Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar, Path.VolumeSeparatorChar }; // from Path.GetFileName()
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private bool _isInitialized = false;
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protected void AddMapping(string fileExtension, string mimeType) {
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_mappings.Add(fileExtension, mimeType);
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}
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private void AddWildcardIfNotPresent() {
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if (!_mappings.ContainsKey(".*")) {
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AddMapping(".*", "application/octet-stream");
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}
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}
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private void EnsureMapping() {
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// Ensure initialized only once
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if (!_isInitialized) {
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lock (this) {
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if (!_isInitialized) {
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PopulateMappings();
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AddWildcardIfNotPresent();
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_isInitialized = true;
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}
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}
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}
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}
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// The derived class will override this method and call AddMapping for each mapping it knows about
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protected abstract void PopulateMappings();
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// This method is similar to Path.GetFileName(), but it doesn't fail on invalid path characters
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private static string GetFileName(string path) {
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int pathSeparatorIndex = path.LastIndexOfAny(_pathSeparatorChars);
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return (pathSeparatorIndex >= 0) ? path.Substring(pathSeparatorIndex) : path;
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}
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public string GetMimeMapping(string fileName) {
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EnsureMapping();
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fileName = GetFileName(fileName); // strip off path separators
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// some MIME types have complex extensions (like ".exe.config"), so we need to work left-to-right
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for (int i = 0; i < fileName.Length; i++) {
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if (fileName[i] == '.') {
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// potential extension - consult dictionary
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string mimeType;
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if (_mappings.TryGetValue(fileName.Substring(i), out mimeType)) {
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// found!
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return mimeType;
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}
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}
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}
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// If we reached this point, either we couldn't find an extension, or the extension we found
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// wasn't recognized. In either case, the ".*" mapping is guaranteed to exist as a fallback.
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return _mappings[".*"];
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}
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}
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// This can provide fallback mappings if we don't have an actual applicationHost.config from which to read
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private sealed class MimeMappingDictionaryClassic : MimeMappingDictionaryBase {
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protected override void PopulateMappings() {
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// This list was copied from the IIS7 configuration file located at:
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// %windir%\system32\inetsrv\config\applicationHost.config
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AddMapping(".323", "text/h323");
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AddMapping(".aaf", "application/octet-stream");
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AddMapping(".aca", "application/octet-stream");
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AddMapping(".accdb", "application/msaccess");
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AddMapping(".accde", "application/msaccess");
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AddMapping(".accdt", "application/msaccess");
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AddMapping(".acx", "application/internet-property-stream");
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AddMapping(".afm", "application/octet-stream");
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AddMapping(".ai", "application/postscript");
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AddMapping(".aif", "audio/x-aiff");
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AddMapping(".aifc", "audio/aiff");
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AddMapping(".aiff", "audio/aiff");
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AddMapping(".application", "application/x-ms-application");
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AddMapping(".art", "image/x-jg");
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AddMapping(".asd", "application/octet-stream");
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AddMapping(".asf", "video/x-ms-asf");
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AddMapping(".asi", "application/octet-stream");
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AddMapping(".asm", "text/plain");
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AddMapping(".asr", "video/x-ms-asf");
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AddMapping(".asx", "video/x-ms-asf");
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AddMapping(".atom", "application/atom+xml");
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AddMapping(".au", "audio/basic");
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AddMapping(".avi", "video/x-msvideo");
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AddMapping(".axs", "application/olescript");
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AddMapping(".bas", "text/plain");
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AddMapping(".bcpio", "application/x-bcpio");
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AddMapping(".bin", "application/octet-stream");
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AddMapping(".bmp", "image/bmp");
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AddMapping(".c", "text/plain");
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AddMapping(".cab", "application/octet-stream");
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AddMapping(".calx", "application/vnd.ms-office.calx");
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AddMapping(".cat", "application/vnd.ms-pki.seccat");
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AddMapping(".cdf", "application/x-cdf");
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AddMapping(".chm", "application/octet-stream");
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AddMapping(".class", "application/x-java-applet");
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AddMapping(".clp", "application/x-msclip");
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AddMapping(".cmx", "image/x-cmx");
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AddMapping(".cnf", "text/plain");
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AddMapping(".cod", "image/cis-cod");
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AddMapping(".cpio", "application/x-cpio");
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AddMapping(".cpp", "text/plain");
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AddMapping(".crd", "application/x-mscardfile");
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AddMapping(".crl", "application/pkix-crl");
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AddMapping(".crt", "application/x-x509-ca-cert");
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AddMapping(".csh", "application/x-csh");
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AddMapping(".css", "text/css");
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AddMapping(".csv", "application/octet-stream");
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AddMapping(".cur", "application/octet-stream");
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AddMapping(".dcr", "application/x-director");
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AddMapping(".deploy", "application/octet-stream");
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AddMapping(".der", "application/x-x509-ca-cert");
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AddMapping(".dib", "image/bmp");
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AddMapping(".dir", "application/x-director");
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AddMapping(".disco", "text/xml");
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AddMapping(".dll", "application/x-msdownload");
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AddMapping(".dll.config", "text/xml");
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AddMapping(".dlm", "text/dlm");
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AddMapping(".doc", "application/msword");
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AddMapping(".docm", "application/vnd.ms-word.document.macroEnabled.12");
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AddMapping(".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document");
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AddMapping(".dot", "application/msword");
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AddMapping(".dotm", "application/vnd.ms-word.template.macroEnabled.12");
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AddMapping(".dotx", "application/vnd.openxmlformats-officedocument.wordprocessingml.template");
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AddMapping(".dsp", "application/octet-stream");
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AddMapping(".dtd", "text/xml");
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AddMapping(".dvi", "application/x-dvi");
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AddMapping(".dwf", "drawing/x-dwf");
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AddMapping(".dwp", "application/octet-stream");
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AddMapping(".dxr", "application/x-director");
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AddMapping(".eml", "message/rfc822");
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AddMapping(".emz", "application/octet-stream");
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AddMapping(".eot", "application/octet-stream");
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AddMapping(".eps", "application/postscript");
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AddMapping(".etx", "text/x-setext");
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AddMapping(".evy", "application/envoy");
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AddMapping(".exe", "application/octet-stream");
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AddMapping(".exe.config", "text/xml");
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AddMapping(".fdf", "application/vnd.fdf");
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AddMapping(".fif", "application/fractals");
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AddMapping(".fla", "application/octet-stream");
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AddMapping(".flr", "x-world/x-vrml");
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AddMapping(".flv", "video/x-flv");
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AddMapping(".gif", "image/gif");
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AddMapping(".gtar", "application/x-gtar");
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AddMapping(".gz", "application/x-gzip");
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AddMapping(".h", "text/plain");
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AddMapping(".hdf", "application/x-hdf");
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AddMapping(".hdml", "text/x-hdml");
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AddMapping(".hhc", "application/x-oleobject");
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AddMapping(".hhk", "application/octet-stream");
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AddMapping(".hhp", "application/octet-stream");
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AddMapping(".hlp", "application/winhlp");
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AddMapping(".hqx", "application/mac-binhex40");
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AddMapping(".hta", "application/hta");
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AddMapping(".htc", "text/x-component");
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AddMapping(".htm", "text/html");
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AddMapping(".html", "text/html");
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AddMapping(".htt", "text/webviewhtml");
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AddMapping(".hxt", "text/html");
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AddMapping(".ico", "image/x-icon");
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AddMapping(".ics", "application/octet-stream");
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AddMapping(".ief", "image/ief");
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AddMapping(".iii", "application/x-iphone");
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AddMapping(".inf", "application/octet-stream");
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AddMapping(".ins", "application/x-internet-signup");
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AddMapping(".isp", "application/x-internet-signup");
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AddMapping(".IVF", "video/x-ivf");
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AddMapping(".jar", "application/java-archive");
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AddMapping(".java", "application/octet-stream");
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AddMapping(".jck", "application/liquidmotion");
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AddMapping(".jcz", "application/liquidmotion");
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AddMapping(".jfif", "image/pjpeg");
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AddMapping(".jpb", "application/octet-stream");
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AddMapping(".jpe", "image/jpeg");
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AddMapping(".jpeg", "image/jpeg");
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AddMapping(".jpg", "image/jpeg");
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AddMapping(".js", "application/x-javascript");
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AddMapping(".jsx", "text/jscript");
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AddMapping(".latex", "application/x-latex");
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AddMapping(".lit", "application/x-ms-reader");
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AddMapping(".lpk", "application/octet-stream");
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AddMapping(".lsf", "video/x-la-asf");
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AddMapping(".lsx", "video/x-la-asf");
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AddMapping(".lzh", "application/octet-stream");
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AddMapping(".m13", "application/x-msmediaview");
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AddMapping(".m14", "application/x-msmediaview");
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AddMapping(".m1v", "video/mpeg");
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AddMapping(".m3u", "audio/x-mpegurl");
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AddMapping(".man", "application/x-troff-man");
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AddMapping(".manifest", "application/x-ms-manifest");
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AddMapping(".map", "text/plain");
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AddMapping(".mdb", "application/x-msaccess");
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AddMapping(".mdp", "application/octet-stream");
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AddMapping(".me", "application/x-troff-me");
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AddMapping(".mht", "message/rfc822");
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AddMapping(".mhtml", "message/rfc822");
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AddMapping(".mid", "audio/mid");
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AddMapping(".midi", "audio/mid");
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AddMapping(".mix", "application/octet-stream");
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AddMapping(".mmf", "application/x-smaf");
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AddMapping(".mno", "text/xml");
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AddMapping(".mny", "application/x-msmoney");
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AddMapping(".mov", "video/quicktime");
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AddMapping(".movie", "video/x-sgi-movie");
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AddMapping(".mp2", "video/mpeg");
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AddMapping(".mp3", "audio/mpeg");
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AddMapping(".mpa", "video/mpeg");
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AddMapping(".mpe", "video/mpeg");
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AddMapping(".mpeg", "video/mpeg");
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AddMapping(".mpg", "video/mpeg");
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AddMapping(".mpp", "application/vnd.ms-project");
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AddMapping(".mpv2", "video/mpeg");
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AddMapping(".ms", "application/x-troff-ms");
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AddMapping(".msi", "application/octet-stream");
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AddMapping(".mso", "application/octet-stream");
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AddMapping(".mvb", "application/x-msmediaview");
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AddMapping(".mvc", "application/x-miva-compiled");
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AddMapping(".nc", "application/x-netcdf");
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AddMapping(".nsc", "video/x-ms-asf");
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AddMapping(".nws", "message/rfc822");
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AddMapping(".ocx", "application/octet-stream");
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AddMapping(".oda", "application/oda");
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AddMapping(".odc", "text/x-ms-odc");
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AddMapping(".ods", "application/oleobject");
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AddMapping(".one", "application/onenote");
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AddMapping(".onea", "application/onenote");
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AddMapping(".onetoc", "application/onenote");
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AddMapping(".onetoc2", "application/onenote");
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AddMapping(".onetmp", "application/onenote");
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AddMapping(".onepkg", "application/onenote");
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AddMapping(".osdx", "application/opensearchdescription+xml");
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AddMapping(".p10", "application/pkcs10");
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AddMapping(".p12", "application/x-pkcs12");
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AddMapping(".p7b", "application/x-pkcs7-certificates");
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AddMapping(".p7c", "application/pkcs7-mime");
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AddMapping(".p7m", "application/pkcs7-mime");
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AddMapping(".p7r", "application/x-pkcs7-certreqresp");
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AddMapping(".p7s", "application/pkcs7-signature");
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AddMapping(".pbm", "image/x-portable-bitmap");
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AddMapping(".pcx", "application/octet-stream");
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AddMapping(".pcz", "application/octet-stream");
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AddMapping(".pdf", "application/pdf");
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AddMapping(".pfb", "application/octet-stream");
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AddMapping(".pfm", "application/octet-stream");
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AddMapping(".pfx", "application/x-pkcs12");
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AddMapping(".pgm", "image/x-portable-graymap");
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AddMapping(".pko", "application/vnd.ms-pki.pko");
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AddMapping(".pma", "application/x-perfmon");
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AddMapping(".pmc", "application/x-perfmon");
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AddMapping(".pml", "application/x-perfmon");
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AddMapping(".pmr", "application/x-perfmon");
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AddMapping(".pmw", "application/x-perfmon");
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AddMapping(".png", "image/png");
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AddMapping(".pnm", "image/x-portable-anymap");
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AddMapping(".pnz", "image/png");
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AddMapping(".pot", "application/vnd.ms-powerpoint");
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AddMapping(".potm", "application/vnd.ms-powerpoint.template.macroEnabled.12");
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AddMapping(".potx", "application/vnd.openxmlformats-officedocument.presentationml.template");
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AddMapping(".ppam", "application/vnd.ms-powerpoint.addin.macroEnabled.12");
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AddMapping(".ppm", "image/x-portable-pixmap");
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AddMapping(".pps", "application/vnd.ms-powerpoint");
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AddMapping(".ppsm", "application/vnd.ms-powerpoint.slideshow.macroEnabled.12");
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AddMapping(".ppsx", "application/vnd.openxmlformats-officedocument.presentationml.slideshow");
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AddMapping(".ppt", "application/vnd.ms-powerpoint");
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AddMapping(".pptm", "application/vnd.ms-powerpoint.presentation.macroEnabled.12");
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AddMapping(".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation");
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AddMapping(".prf", "application/pics-rules");
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AddMapping(".prm", "application/octet-stream");
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AddMapping(".prx", "application/octet-stream");
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AddMapping(".ps", "application/postscript");
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AddMapping(".psd", "application/octet-stream");
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AddMapping(".psm", "application/octet-stream");
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AddMapping(".psp", "application/octet-stream");
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AddMapping(".pub", "application/x-mspublisher");
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AddMapping(".qt", "video/quicktime");
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AddMapping(".qtl", "application/x-quicktimeplayer");
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AddMapping(".qxd", "application/octet-stream");
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AddMapping(".ra", "audio/x-pn-realaudio");
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AddMapping(".ram", "audio/x-pn-realaudio");
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AddMapping(".rar", "application/octet-stream");
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AddMapping(".ras", "image/x-cmu-raster");
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AddMapping(".rf", "image/vnd.rn-realflash");
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AddMapping(".rgb", "image/x-rgb");
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AddMapping(".rm", "application/vnd.rn-realmedia");
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AddMapping(".rmi", "audio/mid");
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AddMapping(".roff", "application/x-troff");
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AddMapping(".rpm", "audio/x-pn-realaudio-plugin");
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AddMapping(".rtf", "application/rtf");
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AddMapping(".rtx", "text/richtext");
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AddMapping(".scd", "application/x-msschedule");
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AddMapping(".sct", "text/scriptlet");
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AddMapping(".sea", "application/octet-stream");
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AddMapping(".setpay", "application/set-payment-initiation");
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AddMapping(".setreg", "application/set-registration-initiation");
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AddMapping(".sgml", "text/sgml");
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AddMapping(".sh", "application/x-sh");
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AddMapping(".shar", "application/x-shar");
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AddMapping(".sit", "application/x-stuffit");
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AddMapping(".sldm", "application/vnd.ms-powerpoint.slide.macroEnabled.12");
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AddMapping(".sldx", "application/vnd.openxmlformats-officedocument.presentationml.slide");
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AddMapping(".smd", "audio/x-smd");
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AddMapping(".smi", "application/octet-stream");
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AddMapping(".smx", "audio/x-smd");
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AddMapping(".smz", "audio/x-smd");
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AddMapping(".snd", "audio/basic");
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AddMapping(".snp", "application/octet-stream");
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AddMapping(".spc", "application/x-pkcs7-certificates");
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AddMapping(".spl", "application/futuresplash");
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AddMapping(".src", "application/x-wais-source");
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AddMapping(".ssm", "application/streamingmedia");
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AddMapping(".sst", "application/vnd.ms-pki.certstore");
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AddMapping(".stl", "application/vnd.ms-pki.stl");
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AddMapping(".sv4cpio", "application/x-sv4cpio");
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AddMapping(".sv4crc", "application/x-sv4crc");
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AddMapping(".swf", "application/x-shockwave-flash");
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AddMapping(".t", "application/x-troff");
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AddMapping(".tar", "application/x-tar");
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AddMapping(".tcl", "application/x-tcl");
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AddMapping(".tex", "application/x-tex");
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AddMapping(".texi", "application/x-texinfo");
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AddMapping(".texinfo", "application/x-texinfo");
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AddMapping(".tgz", "application/x-compressed");
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AddMapping(".thmx", "application/vnd.ms-officetheme");
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AddMapping(".thn", "application/octet-stream");
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AddMapping(".tif", "image/tiff");
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AddMapping(".tiff", "image/tiff");
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AddMapping(".toc", "application/octet-stream");
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AddMapping(".tr", "application/x-troff");
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AddMapping(".trm", "application/x-msterminal");
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AddMapping(".tsv", "text/tab-separated-values");
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AddMapping(".ttf", "application/octet-stream");
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AddMapping(".txt", "text/plain");
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AddMapping(".u32", "application/octet-stream");
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AddMapping(".uls", "text/iuls");
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AddMapping(".ustar", "application/x-ustar");
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AddMapping(".vbs", "text/vbscript");
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AddMapping(".vcf", "text/x-vcard");
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AddMapping(".vcs", "text/plain");
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AddMapping(".vdx", "application/vnd.ms-visio.viewer");
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AddMapping(".vml", "text/xml");
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AddMapping(".vsd", "application/vnd.visio");
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AddMapping(".vss", "application/vnd.visio");
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AddMapping(".vst", "application/vnd.visio");
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AddMapping(".vsto", "application/x-ms-vsto");
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AddMapping(".vsw", "application/vnd.visio");
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AddMapping(".vsx", "application/vnd.visio");
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AddMapping(".vtx", "application/vnd.visio");
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AddMapping(".wav", "audio/wav");
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AddMapping(".wax", "audio/x-ms-wax");
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AddMapping(".wbmp", "image/vnd.wap.wbmp");
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AddMapping(".wcm", "application/vnd.ms-works");
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AddMapping(".wdb", "application/vnd.ms-works");
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AddMapping(".wks", "application/vnd.ms-works");
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AddMapping(".wm", "video/x-ms-wm");
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AddMapping(".wma", "audio/x-ms-wma");
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AddMapping(".wmd", "application/x-ms-wmd");
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AddMapping(".wmf", "application/x-msmetafile");
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AddMapping(".wml", "text/vnd.wap.wml");
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AddMapping(".wmlc", "application/vnd.wap.wmlc");
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AddMapping(".wmls", "text/vnd.wap.wmlscript");
|
|
AddMapping(".wmlsc", "application/vnd.wap.wmlscriptc");
|
|
AddMapping(".wmp", "video/x-ms-wmp");
|
|
AddMapping(".wmv", "video/x-ms-wmv");
|
|
AddMapping(".wmx", "video/x-ms-wmx");
|
|
AddMapping(".wmz", "application/x-ms-wmz");
|
|
AddMapping(".wps", "application/vnd.ms-works");
|
|
AddMapping(".wri", "application/x-mswrite");
|
|
AddMapping(".wrl", "x-world/x-vrml");
|
|
AddMapping(".wrz", "x-world/x-vrml");
|
|
AddMapping(".wsdl", "text/xml");
|
|
AddMapping(".wvx", "video/x-ms-wvx");
|
|
AddMapping(".x", "application/directx");
|
|
AddMapping(".xaf", "x-world/x-vrml");
|
|
AddMapping(".xaml", "application/xaml+xml");
|
|
AddMapping(".xap", "application/x-silverlight-app");
|
|
AddMapping(".xbap", "application/x-ms-xbap");
|
|
AddMapping(".xbm", "image/x-xbitmap");
|
|
AddMapping(".xdr", "text/plain");
|
|
AddMapping(".xla", "application/vnd.ms-excel");
|
|
AddMapping(".xlam", "application/vnd.ms-excel.addin.macroEnabled.12");
|
|
AddMapping(".xlc", "application/vnd.ms-excel");
|
|
AddMapping(".xlm", "application/vnd.ms-excel");
|
|
AddMapping(".xls", "application/vnd.ms-excel");
|
|
AddMapping(".xlsb", "application/vnd.ms-excel.sheet.binary.macroEnabled.12");
|
|
AddMapping(".xlsm", "application/vnd.ms-excel.sheet.macroEnabled.12");
|
|
AddMapping(".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
|
|
AddMapping(".xlt", "application/vnd.ms-excel");
|
|
AddMapping(".xltm", "application/vnd.ms-excel.template.macroEnabled.12");
|
|
AddMapping(".xltx", "application/vnd.openxmlformats-officedocument.spreadsheetml.template");
|
|
AddMapping(".xlw", "application/vnd.ms-excel");
|
|
AddMapping(".xml", "text/xml");
|
|
AddMapping(".xof", "x-world/x-vrml");
|
|
AddMapping(".xpm", "image/x-xpixmap");
|
|
AddMapping(".xps", "application/vnd.ms-xpsdocument");
|
|
AddMapping(".xsd", "text/xml");
|
|
AddMapping(".xsf", "text/xml");
|
|
AddMapping(".xsl", "text/xml");
|
|
AddMapping(".xslt", "text/xml");
|
|
AddMapping(".xsn", "application/octet-stream");
|
|
AddMapping(".xtp", "application/octet-stream");
|
|
AddMapping(".xwd", "image/x-xwindowdump");
|
|
AddMapping(".z", "application/x-compress");
|
|
AddMapping(".zip", "application/x-zip-compressed");
|
|
}
|
|
}
|
|
|
|
// This can provide mappings from the actual applicationHost.config file in IIS7 integrated mode
|
|
private sealed class MimeMappingDictionaryIntegrated : MimeMappingDictionaryBase {
|
|
private readonly IntPtr _applicationContext;
|
|
|
|
public MimeMappingDictionaryIntegrated(IntPtr applicationContext) {
|
|
_applicationContext = applicationContext;
|
|
}
|
|
|
|
protected override void PopulateMappings() {
|
|
IntPtr mimeMapCollection = IntPtr.Zero;
|
|
try {
|
|
int result;
|
|
int mimeMapCount;
|
|
|
|
// Read the collection
|
|
result = UnsafeIISMethods.MgdGetMimeMapCollection(IntPtr.Zero, _applicationContext, out mimeMapCollection, out mimeMapCount);
|
|
Marshal.ThrowExceptionForHR(result);
|
|
|
|
for (int i = 0; i < mimeMapCount; i++) {
|
|
IntPtr bstrFileExtension = IntPtr.Zero;
|
|
IntPtr bstrMimeType = IntPtr.Zero;
|
|
|
|
try {
|
|
int cBstrFileExtension;
|
|
int cBstrMimeType;
|
|
|
|
// Read an individual element from the collection
|
|
result = UnsafeIISMethods.MgdGetNextMimeMap(mimeMapCollection, (uint)i, out bstrFileExtension, out cBstrFileExtension, out bstrMimeType, out cBstrMimeType);
|
|
Marshal.ThrowExceptionForHR(result);
|
|
|
|
string fileExtension = (cBstrFileExtension > 0) ? StringUtil.StringFromWCharPtr(bstrFileExtension, cBstrFileExtension) : null;
|
|
string mimeType = (cBstrMimeType > 0) ? StringUtil.StringFromWCharPtr(bstrMimeType, cBstrMimeType) : null;
|
|
AddMapping(fileExtension, mimeType);
|
|
}
|
|
finally {
|
|
// It's our responsibility to release these strings when we're done
|
|
if (bstrFileExtension != IntPtr.Zero) Marshal.FreeBSTR(bstrFileExtension);
|
|
if (bstrMimeType != IntPtr.Zero) Marshal.FreeBSTR(bstrMimeType);
|
|
}
|
|
}
|
|
}
|
|
finally {
|
|
// It's our responsibility to release the collection when we're done
|
|
if (mimeMapCollection != IntPtr.Zero) {
|
|
Marshal.Release(mimeMapCollection);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|