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.
36 class StaticFileHandler
: IHttpHandler
38 public void ProcessRequest (HttpContext context
)
40 HttpRequest request
= context
.Request
;
41 HttpResponse response
= context
.Response
;
42 string fileName
= request
.PhysicalPath
;
43 FileInfo fi
= new FileInfo (fileName
);
45 throw new HttpException (404, "File '" + request
.FilePath
+ "' not found.");
47 if ((fi
.Attributes
& FileAttributes
.Directory
) != 0) {
48 response
.Redirect (request
.Path
+ '/');
52 string strHeader
= request
.Headers
["If-Modified-Since"];
54 if (strHeader
!= null) {
55 DateTime dtIfModifiedSince
= DateTime
.ParseExact (strHeader
, "r", null);
56 DateTime ftime
= fi
.LastWriteTime
.ToUniversalTime ();
57 if (ftime
<= dtIfModifiedSince
) {
58 response
.StatusCode
= 304;
65 DateTime lastWT
= fi
.LastWriteTime
.ToUniversalTime ();
66 response
.AddHeader ("Last-Modified", lastWT
.ToString ("r"));
68 response
.WriteFile (fileName
);
69 response
.ContentType
= MimeTypes
.GetMimeType (fileName
);
71 throw new HttpException (403, "Forbidden.");
75 public bool IsReusable