public override void OnActionExecuted(HttpActionExecutedContext filterContext)
{
if (TimeToLiveLevel == TimeToLiveLevel.None)
{
var response = filterContext.Response;
var downstreamTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForDownstream, TimeToLiveLevel);
var edgeTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForEdge, TimeToLiveLevel);
#region - Downstream Cacheability
response.Headers.CacheControl = new CacheControlHeaderValue
{
Public = false,
NoTransform = true,
MaxAge = TimeSpan.FromSeconds(downstreamTtl.ValueInSecs),
SharedMaxAge = TimeSpan.FromSeconds(downstreamTtl.ValueInSecs)
};
response.Headers.Add("Vary", "Accept-Encoding");
#endregion
#region - Edge Cacheability
response.Headers.Add("Edge-Control",
String.Format("downstream-ttl={0}{1}, cache-maxage={2}{3}",
downstreamTtl.Value, downstreamTtl.ShortUnitName, edgeTtl.Value, edgeTtl.ShortUnitName));
#endregion
}
else if (TimeToLiveLevel == TimeToLiveLevel.ZeroRevalidate)
{
var response = filterContext.Response;
var downstreamTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForDownstream, TimeToLiveLevel);
var edgeTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForEdge, TimeToLiveLevel);
#region - Downstream Cacheability
response.Headers.CacheControl = new CacheControlHeaderValue
{
Public = true,
MustRevalidate = true,
ProxyRevalidate = true,
NoTransform = true,
MaxAge = TimeSpan.FromSeconds(downstreamTtl.ValueInSecs),
SharedMaxAge = TimeSpan.FromSeconds(downstreamTtl.ValueInSecs)
};
response.Headers.Add("Vary", "Accept-Encoding");
#endregion
#region - Edge Cacheability
response.Headers.Add("Edge-Control",
String.Format("downstream-ttl={0}{1}, cache-maxage={2}{3}",
downstreamTtl.Value, downstreamTtl.ShortUnitName, edgeTtl.Value, edgeTtl.ShortUnitName));
#endregion
}
else
{
var response = filterContext.Response;
var downstreamTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForDownstream, TimeToLiveLevel);
var edgeTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForEdge, TimeToLiveLevel);
var now = DateTime.Now;
#region - Downstream Cacheability
response.Content.Headers.LastModified = new DateTimeOffset(now);
response.Content.Headers.Expires = new DateTimeOffset(now.AddSeconds(downstreamTtl.ValueInSecs));
response.Headers.CacheControl = new CacheControlHeaderValue
{
Public = true,
NoTransform = true,
MaxAge = TimeSpan.FromSeconds(downstreamTtl.ValueInSecs),
SharedMaxAge = TimeSpan.FromSeconds(downstreamTtl.ValueInSecs)
};
response.Headers.Add("Vary", "Accept-Encoding");
#endregion
#region - Edge Cacheability
response.Headers.Add("Edge-Control",
String.Format("downstream-ttl={0}{1}, cache-maxage={2}{3}",
downstreamTtl.Value, downstreamTtl.ShortUnitName, edgeTtl.Value, edgeTtl.ShortUnitName));
#endregion
}
}
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
if (TimeToLiveLevel == TimeToLiveLevel.None)
{
var response = filterContext.HttpContext.Response;
var cache = response.Cache;
var downstreamTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForDownstream, TimeToLiveLevel);
var edgeTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForEdge, TimeToLiveLevel);
#region - Downstream Cacheability
cache.SetCacheability(HttpCacheability.Private);
cache.SetNoTransforms();
cache.SetMaxAge(TimeSpan.FromSeconds(downstreamTtl.ValueInSecs));
#endregion
#region - Edge Cacheability
response.AddHeader("Edge-Control",
String.Format("downstream-ttl={0}{1}, cache-maxage={2}{3}",
downstreamTtl.Value, downstreamTtl.ShortUnitName, edgeTtl.Value, edgeTtl.ShortUnitName));
#endregion
}
else if (TimeToLiveLevel == TimeToLiveLevel.ZeroRevalidate)
{
var response = filterContext.HttpContext.Response;
var cache = response.Cache;
var downstreamTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForDownstream, TimeToLiveLevel);
var edgeTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForEdge, TimeToLiveLevel);
var now = DateTime.Now;
#region - Downstream Cacheability
cache.SetCacheability(HttpCacheability.Public);
cache.SetNoTransforms();
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
cache.SetMaxAge(TimeSpan.FromSeconds(downstreamTtl.ValueInSecs));
cache.AppendCacheExtension("s-maxage=" + TimeSpan.FromSeconds(downstreamTtl.ValueInSecs).TotalSeconds);
cache.SetExpires(now.AddSeconds(downstreamTtl.ValueInSecs));
cache.SetLastModified(now);
#endregion
#region - Edge Cacheability
response.AddHeader("Edge-Control",
String.Format("downstream-ttl={0}{1}, cache-maxage={2}{3}",
downstreamTtl.Value, downstreamTtl.ShortUnitName, edgeTtl.Value, edgeTtl.ShortUnitName));
#endregion
}
else // this handles all the level-config-string related settings
{
var response = filterContext.HttpContext.Response;
var cache = response.Cache;
var downstreamTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForDownstream, TimeToLiveLevel);
var edgeTtl = CacheConfig.ResolveTimeToLiveLevel(TimeToLivesForEdge, TimeToLiveLevel);
var now = DateTime.Now;
#region - Downstream Cacheability
cache.SetCacheability(HttpCacheability.Public);
cache.SetNoTransforms();
cache.SetMaxAge(TimeSpan.FromSeconds(downstreamTtl.ValueInSecs));
cache.AppendCacheExtension("s-maxage=" + TimeSpan.FromSeconds(downstreamTtl.ValueInSecs).TotalSeconds);
cache.SetExpires(now.AddSeconds(downstreamTtl.ValueInSecs));
cache.SetLastModified(now);
#endregion
#region - Edge Cacheability
response.AddHeader("Edge-Control",
$"downstream-ttl={downstreamTtl.Value}{downstreamTtl.ShortUnitName}, cache-maxage={edgeTtl.Value}{edgeTtl.ShortUnitName}");
#endregion
}
}
