/// <summary>
/// Sets the caching used for resources on the http response cache policy.
/// </summary>
private static void SetCachingPolicy(HttpCachePolicy cachePolicy)
{
cachePolicy.SetCacheability(HttpCacheability.ServerAndPrivate);
cachePolicy.SetNoServerCaching();
cachePolicy.SetMaxAge(TimeSpan.FromMinutes(5));
/* NOTE: The two calls below prevent resources from being stored on
* disk but they also set the expiration to be immediate. Which means
* that if we preload images (e.x., grid) then the next time they are
* requested they will again go back to the server. So we cannot use these. */
// cachePolicy.SetNoStore();
// cachePolicy.SetCacheability(HttpCacheability.NoCache);
}
/// <summary>
/// Stops all origin-server caching for the current response.
/// </summary>
public void SetNoServerCaching()
{
policy.SetNoServerCaching();
}
public override void SetNoServerCaching()
{
_httpCachePolicy.SetNoServerCaching();
}
public void Deny_Unrestricted()
{
HttpCachePolicy cache = response.Cache;
Assert.IsNotNull(cache.VaryByHeaders, "VaryByHeaders");
Assert.IsNotNull(cache.VaryByParams, "VaryByParams");
cache.AddValidationCallback(new HttpCacheValidateHandler(Validate), null);
cache.AppendCacheExtension("mono");
cache.SetCacheability(HttpCacheability.NoCache);
cache.SetCacheability(HttpCacheability.NoCache, "mono");
cache.SetETag("etag");
try
{
cache.SetETagFromFileDependencies();
}
catch (TypeInitializationException)
{
// 1.1 tries to initialize HttpRuntime
}
catch (InvalidOperationException)
{
// expected
}
cache.SetExpires(DateTime.MinValue);
cache.SetLastModified(DateTime.Now);
try
{
cache.SetLastModifiedFromFileDependencies();
}
catch (InvalidOperationException)
{
// expected
}
catch (NotImplementedException)
{
// mono
}
cache.SetMaxAge(TimeSpan.FromTicks(1000));
try
{
cache.SetNoServerCaching();
}
catch (NotImplementedException)
{
// mono
}
try
{
cache.SetNoStore();
}
catch (NotImplementedException)
{
// mono
}
try
{
cache.SetNoTransforms();
}
catch (NotImplementedException)
{
// mono
}
cache.SetProxyMaxAge(TimeSpan.FromTicks(2000));
cache.SetRevalidation(HttpCacheRevalidation.None);
cache.SetSlidingExpiration(true);
try
{
cache.SetValidUntilExpires(true);
}
catch (NotImplementedException)
{
// mono
}
cache.SetVaryByCustom("custom");
cache.SetAllowResponseInBrowserHistory(true);
#if NET_2_0
try
{
cache.SetOmitVaryStar(false);
}
catch (NotImplementedException)
{
// mono
}
#endif
}
void SetCacheFromCacheProfile()
{
HttpCachePolicy cache = HttpContext.Current.Response.Cache;
if (this.cacheProfile.NoStore)
{
cache.SetNoStore();
}
// Location is not required to be set in the config. The default is Any,
// but if it is not set in the config the value will be -1. So must correct for this.
if ((int)(this.cacheProfile.Location) == -1)
{
cache.SetCacheability(HttpCacheability.Public);
}
else
{
switch (this.cacheProfile.Location)
{
case OutputCacheLocation.Any:
cache.SetCacheability(HttpCacheability.Public);
break;
case OutputCacheLocation.Client:
cache.SetCacheability(HttpCacheability.Private);
break;
case OutputCacheLocation.Downstream:
cache.SetCacheability(HttpCacheability.Public);
cache.SetNoServerCaching();
break;
case OutputCacheLocation.None:
cache.SetCacheability(HttpCacheability.NoCache);
break;
case OutputCacheLocation.Server:
cache.SetCacheability(HttpCacheability.ServerAndNoCache);
break;
case OutputCacheLocation.ServerAndClient:
cache.SetCacheability(HttpCacheability.ServerAndPrivate);
break;
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR2.GetString(SR2.CacheProfileLocationNotSupported, this.cacheProfile.Location)));
}
}
if (this.cacheProfile.Location != OutputCacheLocation.None)
{
cache.SetExpires(HttpContext.Current.Timestamp.AddSeconds((double)this.cacheProfile.Duration));
cache.SetMaxAge(new TimeSpan(0, 0, this.cacheProfile.Duration));
cache.SetValidUntilExpires(true);
cache.SetLastModified(HttpContext.Current.Timestamp);
if (this.cacheProfile.Location != OutputCacheLocation.Client)
{
if (!string.IsNullOrEmpty(this.cacheProfile.VaryByContentEncoding))
{
foreach (string contentEncoding in this.cacheProfile.VaryByContentEncoding.Split(seperatorChar))
{
cache.VaryByContentEncodings[contentEncoding.Trim()] = true;
}
}
if (!string.IsNullOrEmpty(this.cacheProfile.VaryByHeader))
{
foreach (string header in this.cacheProfile.VaryByHeader.Split(seperatorChar))
{
cache.VaryByHeaders[header.Trim()] = true;
}
}
if (this.cacheProfile.Location != OutputCacheLocation.Downstream)
{
if (!string.IsNullOrEmpty(this.cacheProfile.VaryByCustom))
{
cache.SetVaryByCustom(this.cacheProfile.VaryByCustom);
}
if (!string.IsNullOrEmpty(this.cacheProfile.VaryByParam))
{
foreach (string parameter in cacheProfile.VaryByParam.Split(seperatorChar))
{
cache.VaryByParams[parameter.Trim()] = true;
}
}
if (!string.IsNullOrEmpty(this.cacheProfile.SqlDependency))
{
CacheDependency cacheDependency = this.CreateSingleCacheDependency(cacheProfile.SqlDependency);
HttpContext.Current.Response.AddCacheDependency(new CacheDependency[] { cacheDependency });
}
}
}
}
}
/// <summary>
/// Configures ASP.Net's Cache policy based on properties set
/// </summary>
/// <param name="policy">cache policy to set</param>
void ICachePolicyConfigurer.Configure(HttpCachePolicy policy)
{
policy.SetAllowResponseInBrowserHistory(allowInHistory);
policy.SetCacheability(cacheability);
policy.SetOmitVaryStar(omitVaryStar);
policy.SetRevalidation(revalidation);
policy.SetSlidingExpiration(slidingExpiration);
policy.SetValidUntilExpires(validUntilExpires);
if (duration != 0)
{
policy.SetExpires(DateTime.Now.AddSeconds(duration));
}
if (varyByContentEncodings != null)
{
foreach (var header in varyByContentEncodings.Split(','))
{
policy.VaryByContentEncodings[header.Trim()] = true;
}
}
if (varyByCustom != null)
{
policy.SetVaryByCustom(varyByCustom);
}
if (varyByHeaders != null)
{
foreach (var header in varyByHeaders.Split(','))
{
policy.VaryByHeaders[header.Trim()] = true;
}
}
if (varyByParams != null)
{
foreach (var param in varyByParams.Split(','))
{
policy.VaryByParams[param.Trim()] = true;
}
}
if (cacheExtension != null)
{
policy.AppendCacheExtension(cacheExtension);
}
if (setEtagFromFileDependencies)
{
policy.SetETagFromFileDependencies();
}
if (setLastModifiedFromFileDependencies)
{
policy.SetLastModifiedFromFileDependencies();
}
if (setNoServerCaching)
{
policy.SetNoServerCaching();
}
if (setNoStore)
{
policy.SetNoStore();
}
if (setNoTransforms)
{
policy.SetNoTransforms();
}
if (etag != null)
{
policy.SetETag(etag);
}
if (isLastModifiedSet)
{
policy.SetLastModified(lastModified);
}
if (isMaxAgeSet)
{
policy.SetMaxAge(TimeSpan.FromSeconds(maxAge));
}
if (isProxyMaxAgeSet)
{
policy.SetProxyMaxAge(TimeSpan.FromSeconds(proxyMaxAge));
}
}
public override void SetNoServerCaching()
{
_policy.SetNoServerCaching();
}