|
private static GetAssemblyTime ( |
||
| assembly | ||
| return | long | |
private static bool IsSourceModified(HttpRequest request)
{
bool dateModified = false;
string requestIfModifiedSinceHeader = request.Headers["If-Modified-Since"] ?? string.Empty;
DateTime requestIfModifiedSince;
DateTime.TryParse(requestIfModifiedSinceHeader, out requestIfModifiedSince);
DateTime responseLastModified = new DateTime(ResourceHandler.GetAssemblyTime(typeof(ResourceHandler).Assembly)).ToUniversalTime();
if (requestIfModifiedSince != DateTime.MinValue && responseLastModified != DateTime.MinValue)
{
requestIfModifiedSince = requestIfModifiedSince.ToUniversalTime();
if (responseLastModified > requestIfModifiedSince)
{
TimeSpan diff = responseLastModified - requestIfModifiedSince;
if (diff > TimeSpan.FromSeconds(1))
{
dateModified = true;
}
}
}
else
{
dateModified = true;
}
return(dateModified);
}
private void SetResponseCache(HttpContext context)
{
HttpCachePolicy cache = context.Response.Cache;
DateTime modifiedDate = new DateTime(ResourceHandler.GetAssemblyTime(typeof(ResourceHandler).Assembly)).ToUniversalTime();
DateTime nowDate = DateTime.Now.ToUniversalTime().AddSeconds(-1);
if (modifiedDate > nowDate)
{
modifiedDate = nowDate;
}
cache.SetLastModified(modifiedDate);
cache.SetOmitVaryStar(true);
cache.SetVaryByCustom("v");
cache.SetExpires(DateTime.UtcNow.AddDays(365));
cache.SetMaxAge(TimeSpan.FromDays(365));
cache.SetValidUntilExpires(true);
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
cache.SetCacheability(HttpCacheability.Public);
cache.SetLastModifiedFromFileDependencies();
}
