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Changing mime type provider implementation to use System.Web.MimeMapping.

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Sipke Schoorstra
2014-11-07 16:33:10 -08:00
parent 71cc8efeff
commit 7c6acd59c5
1 changed files with 8 additions and 63 deletions
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71
src/Orchard/FileSystems/Media/ConfigurationMimeTypeProvider.cs
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@@ -1,72 +1,17 @@
using System;
using System.IO;
using System.Linq;
using System.Xml.Linq;
using System.Xml.XPath;
using Microsoft.Win32;
using Orchard.Caching;
using System.Web;
namespace Orchard.FileSystems.Media {
/// <summary>
/// Returns the mime-type by looking into IIS configuration and the Registry
/// Returns the mime-type of the specified file path.
/// </summary>
public class ConfigurationMimeTypeProvider : IMimeTypeProvider {
private readonly ICacheManager _cacheManager;
public ConfigurationMimeTypeProvider(ICacheManager cacheManager) {
_cacheManager = cacheManager;
}
/// <summary>
/// Returns the mime-type of the specified file path
/// Returns the mime-type of the specified file path.
/// </summary>
public string GetMimeType(string path) {
string extension = Path.GetExtension(path);
if (String.IsNullOrWhiteSpace(extension)) {
return "application/unknown";
}
return _cacheManager.Get(extension, ctx => {
try {
try {
string applicationHost = System.Environment.ExpandEnvironmentVariables(@"%windir%\system32\inetsrv\config\applicationHost.config");
string webConfig = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("~").FilePath;
// search for custom mime types in web.config and applicationhost.config
foreach (var configFile in new[] { webConfig, applicationHost }) {
if (File.Exists(configFile)) {
var xdoc = XDocument.Load(configFile);
var mimeMap = xdoc.XPathSelectElements("//staticContent/mimeMap[@fileExtension='" + extension + "']").FirstOrDefault();
if (mimeMap != null) {
var mimeType = mimeMap.Attribute("mimeType");
if (mimeType != null) {
return mimeType.Value;
}
}
}
}
}
catch {
// ignore issues with web.config to fall back to registry
}
// search into the registry
RegistryKey regKey = Registry.ClassesRoot.OpenSubKey(extension.ToLower());
if (regKey != null) {
var contentType = regKey.GetValue("Content Type");
if (contentType != null) {
return contentType.ToString();
}
}
}
catch {
// if an exception occured return application/unknown
return "application/unknown";
}
return "application/unknown";
});
}
// Returns "application/octet-stream" for unmapped / unkown file types.
return MimeMapping.GetMimeMapping(path);
}
}
}
}