In my WicketApplication class I have mounted a URL with the URIRequestTargetUrlCodingStrategy to serve files in my virtualhosted
CMS-application written in Wicket 1.3. The problem with this is that it returns a header like this with the file it serves up:
HTTP/1.1 200 OK
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Set-Cookie: JSESSIONID=1ugsnhj1evodg;Path=/
Content-Type: image/jpeg; charset=UTF-8
Content-Length: 55925
Connection: keep-alive
Server: Jetty(6.1.5)
The Expires: header obviously prevents the client from caching the result. How
can I override this header?
My implementation is like this:
mount(new URIRequestTargetUrlCodingStrategy("/files") {
@Override
public IRequestTarget decode(RequestParameters requestParameters) {
// TODO: Better path-checking
final String uri = getURI(requestParameters).replaceAll("\\.\\.",
"");
/* Redirect to / if empty result, maybe return 404 instead? */
if ("".equals(uri))
return new RedirectRequestTarget("/");
/* Get file for this instance */
File file = new File(((TornadoWebSession)
(Session.get())).getInstancePath() + File.separator + uri);
return new ResourceStreamRequestTarget(new
FileResourceStream(file));
}
});
Sincerely,
Edvin Syse
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