private static void WriteResponse(HttpContext context, CacheableMedia media)
{
HttpResponse response = context.Response;
foreach (string headerKey in media.Headers.AllKeys.Where(key => media.Headers[key] != null))
{
response.Headers[headerKey] = media.Headers[headerKey];
}
if (context.IsDebuggingEnabled)
{
response.Headers.Add("X-EvilCache", "True");
}
response.OutputStream.Write(media.Output, 0, media.ContentLength);
response.ContentType = media.ContentType;
response.StatusCode = media.StatusCode;
response.ContentEncoding = media.ContentEncoding;
response.HeaderEncoding = media.HeaderEncoding;
response.Charset = media.Charset;
response.Cache.SetLastModified(media.Cache.GetUtcLastModified());
response.Cache.SetCacheability(media.Cache.GetCacheability());
response.Cache.SetMaxAge(media.Cache.GetMaxAge());
if (media.Cache.GetExpires() != DateTime.MinValue)
{
response.Cache.SetExpires(media.Cache.GetExpires());
}
response.End();
}
private static void OnBeginRequest(object sender, EventArgs e)
{
HttpContext context = ((HttpApplication)sender).Context;
string key = context.Request.Url.OriginalString;
if (!key.ToLowerInvariant().Contains("-/media/") && !key.ToLowerInvariant().Contains("~/media/"))
{
return;
}
if (context.Cache[key] == null)
{
return;
}
if (context.Request.QueryString["killCache"] != null)
{
context.Cache.Remove(key);
return;
}
CacheableMedia media = (CacheableMedia)context.Cache[key];
WriteResponse(context, media);
}