static void AddFileDependencies(object instance, HttpResponseBase response)
{
if (instance is IFileDependent fileDependent)
{
string[] files = fileDependent.FileDependencies;
if (files != null)
{
response.AddFileDependencies(files);
}
}
}
public static DateTime SetCacheHeaders(HttpContextBase context)
{
string[] allFiles = Directory.GetFiles(context.Server.MapPath("~/"), "*.*", SearchOption.AllDirectories);
DateTime lastModified = allFiles.Max(f => File.GetLastWriteTime(f));
HttpResponseBase response = context.Response;
HttpRequestBase request = context.Request;
lastModified = new DateTime(lastModified.Year, lastModified.Month, lastModified.Day, lastModified.Hour, lastModified.Minute, lastModified.Second);
string incomingDate = request.Headers["If-Modified-Since"];
response.Cache.SetLastModified(lastModified);
DateTime testDate = DateTime.MinValue;
if (DateTime.TryParse(incomingDate, out testDate) && testDate == lastModified)
{
response.ClearContent();
response.StatusCode = (int)System.Net.HttpStatusCode.NotModified;
response.SuppressContent = true;
}
if (!request.IsLocal)
{
response.Cache.SetValidUntilExpires(true);
response.Cache.SetCacheability(HttpCacheability.Public);
response.Cache.VaryByParams["path"] = true;
response.Cache.VaryByHeaders["X-Content-Only"] = true;
response.AddFileDependencies(allFiles);
response.Cache.SetLastModifiedFromFileDependencies();
response.Cache.SetMaxAge(TimeSpan.FromDays(7));
response.AppendHeader("Arr-Disable-Session-Affinity", "True"); // For Azure Websites
}
return(lastModified);
}
public override void AddFileDependencies(string[] filenames)
{
_httpResponseBase.AddFileDependencies(filenames);
}
public override void AddFileDependencies(ArrayList filenames)
{
proxiedResponse.AddFileDependencies(filenames);
}