public override void OnActionExecuted(ActionExecutedContext filterContext)
{
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
cache.SetCacheability(HttpCacheability.NoCache);
cache.SetExpires(DateTime.Now);
cache.SetAllowResponseInBrowserHistory(false);
cache.SetNoServerCaching();
cache.SetNoStore();
}
private static void PrepareResponseNoCache(HttpResponseBase response)
{
HttpCachePolicyBase cachePolicy = response.Cache;
DateTime now = DateTime.Now;
cachePolicy.SetCacheability(HttpCacheability.Public);
cachePolicy.SetExpires(now + TimeSpan.FromDays(365));
cachePolicy.SetValidUntilExpires(true);
cachePolicy.SetLastModified(now);
cachePolicy.SetNoServerCaching();
}
/// <summary>
/// It is better to detect controller and action rather than plain url (such as "/Home/Index", "/Home", "/" since routes are equal by default).
/// </summary>
public void DetectConfiguration(string url, HttpCachePolicyBase cachePolicy)
{
if (url == "/CodeCaching/Index")
{
cachePolicy.SetNoServerCaching();
cachePolicy.SetCacheability(HttpCacheability.NoCache);
}
else
{
cachePolicy.SetExpires(DateTime.Now.AddSeconds(30));
cachePolicy.SetCacheability(HttpCacheability.Public);
}
}
public void ProcessRequest(HttpContextBase context)
{
this._context = context;
HttpRequestBase request = context.Request;
HttpResponseBase response = context.Response;
Uri url = request.Url;
string str = !(url == (Uri)null) ? url.LocalPath : throw new HttpException(500, BundleTransformer.Core.Resources.Strings.Common_ValueIsNull);
if (string.IsNullOrWhiteSpace(str))
{
throw new HttpException(500, BundleTransformer.Core.Resources.Strings.Common_ValueIsEmpty);
}
if (!this._virtualFileSystemWrapper.FileExists(str))
{
throw new HttpException(404, string.Format(BundleTransformer.Core.Resources.Strings.Common_FileNotExist, (object)str));
}
string bundleVirtualPath = request.QueryString[Common.BundleVirtualPathQueryStringParameterName];
if (string.IsNullOrWhiteSpace(bundleVirtualPath) && this.IsStaticAsset)
{
AssetHandlerBase.ProcessStaticAssetRequest(context);
}
else
{
string processedAssetContent;
try
{
processedAssetContent = this.GetProcessedAssetContent(str, bundleVirtualPath);
}
catch (HttpException ex)
{
throw;
}
catch (AssetTranslationException ex)
{
throw new HttpException(500, ex.Message, (Exception)ex);
}
catch (AssetPostProcessingException ex)
{
throw new HttpException(500, ex.Message, (Exception)ex);
}
catch (FileNotFoundException ex)
{
throw new HttpException(500, string.Format(BundleTransformer.Core.Resources.Strings.AssetHandler_DependencyNotFound, (object)ex.Message, (object)ex));
}
catch (Exception ex)
{
throw new HttpException(500, string.Format(BundleTransformer.Core.Resources.Strings.AssetHandler_UnknownError, (object)ex.Message, (object)ex));
}
HttpCachePolicyBase cache = response.Cache;
if (this._assetHandlerConfig.DisableClientCache)
{
response.StatusCode = 200;
response.StatusDescription = "OK";
cache.SetCacheability(HttpCacheability.NoCache);
cache.SetExpires(DateTime.UtcNow.AddYears(-1));
cache.SetValidUntilExpires(false);
cache.SetNoStore();
cache.SetNoServerCaching();
response.ContentType = this.ContentType;
response.Write(processedAssetContent);
}
else
{
string assetEtag = AssetHandlerBase.GenerateAssetETag(processedAssetContent);
int num = AssetHandlerBase.IsETagHeaderChanged(request, assetEtag) ? 1 : 0;
if (num != 0)
{
response.StatusCode = 200;
response.StatusDescription = "OK";
}
else
{
response.StatusCode = 304;
response.StatusDescription = "Not Modified";
response.AddHeader("Content-Length", "0");
}
response.AddHeader("X-Asset-Transformation-Powered-By", "Bundle Transformer");
cache.SetCacheability(HttpCacheability.Public);
cache.SetExpires(DateTime.UtcNow.AddYears(-1));
cache.SetValidUntilExpires(true);
cache.AppendCacheExtension("must-revalidate");
cache.SetNoServerCaching();
cache.VaryByHeaders["If-None-Match"] = true;
cache.SetETag(assetEtag);
if (num != 0)
{
response.ContentType = this.ContentType;
response.Write(processedAssetContent);
}
}
context.ApplicationInstance.CompleteRequest();
}
}
