2 // System.Web.StaticFileHandler
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
7 // (C) 2002 Ximian, Inc (http://www.ximian.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Globalization;
37 class StaticFileHandler : IHttpHandler
39 public void ProcessRequest (HttpContext context)
41 HttpRequest request = context.Request;
42 HttpResponse response = context.Response;
43 string fileName = request.PhysicalPath;
44 FileInfo fi = new FileInfo (fileName);
46 throw new HttpException (404, "File '" + request.FilePath + "' not found.");
48 if ((fi.Attributes & FileAttributes.Directory) != 0) {
49 response.Redirect (request.Path + '/');
53 string strHeader = request.Headers ["If-Modified-Since"];
55 if (strHeader != null) {
56 DateTime dtIfModifiedSince = DateTime.ParseExact (strHeader, "r", null);
61 ftime = fi.LastWriteTime.ToUniversalTime ();
63 catch (NotSupportedException)
65 // The file is in a WAR, it might be modified with last redeploy.
67 ftime = (DateTime) AppDomain.CurrentDomain.GetData (".appStartTime");
70 ftime = DateTime.MaxValue;
74 ftime = fi.LastWriteTime.ToUniversalTime ();
76 if (ftime <= dtIfModifiedSince) {
77 response.StatusCode = 304;
84 DateTime lastWT = fi.LastWriteTime.ToUniversalTime ();
85 response.AddHeader ("Last-Modified", lastWT.ToString ("r"));
87 response.ContentType = MimeTypes.GetMimeType (fileName);
88 response.TransmitFile (fileName, true);
90 throw new HttpException (403, "Forbidden.");
94 public bool IsReusable {