public void Apply(HttpCachePolicyBase policy)
{
policy.ThrowIfNull("policy");
if (!_hasPolicy)
{
return;
}
switch (_cacheability)
{
case HttpCacheability.NoCache:
policy.SetCacheability(_allowsServerCaching == true ? HttpCacheability.ServerAndNoCache : HttpCacheability.NoCache);
break;
case HttpCacheability.Private:
policy.SetCacheability(_allowsServerCaching == true ? HttpCacheability.ServerAndPrivate : HttpCacheability.Private);
break;
case HttpCacheability.Public:
policy.SetCacheability(HttpCacheability.Public);
break;
}
if (_noStore == true)
{
policy.SetNoStore();
}
if (_noTransforms == true)
{
policy.SetNoTransforms();
}
if (_clientCacheExpirationUtcTimestamp != null)
{
policy.SetExpires(_clientCacheExpirationUtcTimestamp.Value);
}
if (_clientCacheMaxAge != null)
{
policy.SetMaxAge(_clientCacheMaxAge.Value);
}
if (_allowResponseInBrowserHistory != null)
{
policy.SetAllowResponseInBrowserHistory(_allowResponseInBrowserHistory.Value);
}
if (_eTag != null)
{
policy.SetETag(_eTag);
}
if (_omitVaryStar != null)
{
policy.SetOmitVaryStar(_omitVaryStar.Value);
}
if (_proxyMaxAge != null)
{
policy.SetProxyMaxAge(_proxyMaxAge.Value);
}
if (_revalidation != null)
{
policy.SetRevalidation(_revalidation.Value);
}
}
private static void InvalidateCache(HttpCachePolicyBase cache)
{
cache.SetExpires(DateTime.UtcNow.AddDays(-1));
cache.SetValidUntilExpires(false);
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
cache.SetCacheability(HttpCacheability.NoCache);
cache.SetNoStore();
}
public static void CacheResponseFor(this HttpContextBase context, TimeSpan duration)
{
HttpCachePolicyBase cache = context.Response.Cache;
cache.SetCacheability(HttpCacheability.Public);
cache.SetLastModified(context.Timestamp);
cache.SetExpires(context.Timestamp.Add(duration));
cache.SetMaxAge(duration);
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
}
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
cache.SetExpires(DateTime.UtcNow.AddDays(-1));
cache.SetValidUntilExpires(false);
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
cache.SetCacheability(HttpCacheability.NoCache);
cache.SetNoStore();
}
public new void OnResultExecuted(ResultExecutedContext filterContext)
{
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
cache.SetCacheability(HttpCacheability.NoCache);
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
cache.SetValidUntilExpires(false);
cache.SetExpires(DateTime.UtcNow.AddDays(-1));
cache.SetNoStore();
cache.AppendCacheExtension("private");
cache.AppendCacheExtension("no-cache=Set-Cookie");
cache.SetProxyMaxAge(TimeSpan.Zero);
}
/// <summary>
/// Caches the specified instance.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="duration">The duration.</param>
public static void Cache(this HttpContextBase instance, TimeSpan duration)
{
HttpCachePolicyBase cache = instance.Response.Cache;
cache.SetCacheability(HttpCacheability.Public);
cache.SetOmitVaryStar(true);
cache.SetExpires(instance.Timestamp.Add(duration));
cache.SetMaxAge(duration);
cache.SetValidUntilExpires(true);
cache.SetLastModified(instance.Timestamp);
cache.SetLastModifiedFromFileDependencies();
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
}
/// <summary>
/// Set the caching policy.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="duration">The duration.</param>
public void Cache(HttpContextBase context, TimeSpan duration)
{
if ((duration > TimeSpan.Zero) || !context.IsDebuggingEnabled) // Do not cache in debug mode.
{
HttpCachePolicyBase cache = context.Response.Cache;
cache.SetCacheability(HttpCacheability.Public);
cache.SetOmitVaryStar(true);
cache.SetExpires(context.Timestamp.Add(duration));
cache.SetMaxAge(duration);
cache.SetValidUntilExpires(true);
cache.SetLastModified(context.Timestamp);
cache.SetLastModifiedFromFileDependencies();
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
}
}
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
if (Duration <= 0)
{
return;
}
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
TimeSpan cacheDuration = TimeSpan.FromSeconds(Duration);
cache.SetNoStore();
cache.SetCacheability(HttpCacheability.NoCache);
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
cache.AppendCacheExtension("post-check=0, pre-check=0");
//cache.SetVaryByCustom("lang");
//cache.SetExpires(DateTime.Now.Add(cacheDuration));
//cache.SetMaxAge(cacheDuration);
}
protected void SendOuptToClient(HttpContextBase context)
{
HttpResponseBase response = context.Response;
HttpCachePolicyBase cache = context.Response.Cache;
cache.SetETag(_etagCacheKey);
cache.SetLastModified(_lastModify);
cache.SetExpires(NetworkTime.Now.AddDays(_durationInDays)); // For HTTP 1.0 browsers
cache.SetOmitVaryStar(true);
cache.SetMaxAge(TimeSpan.FromDays(_durationInDays));
//cache.SetLastModified(NetworkTime.Now);
cache.SetValidUntilExpires(true);
cache.SetCacheability(HttpCacheability.Public);
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
cache.VaryByHeaders["Accept-Encoding"] = true;// Tell proxy to cache different versions depending on Accept-Encoding
response.ContentType = "application/json";
if (response.IsClientConnected)
{
response.Flush();
}
}