/// <summary>
/// Set content headers
/// </summary>
/// <param name="context">Controller context</param>
/// <param name="response">Response</param>
protected override void SetContentHeaders(ControllerContext context, HttpResponseBase response)
{
// Call base method
base.SetContentHeaders(context, response);
// Get info
var lastModified = CommandResult.File.LastWriteTimeUtc;
var fileName = CommandResult.File.Name;
var eTag = GetFileETag(fileName, lastModified);
// Get if file is considered modified
if (HttpCacheHelper.ReturnNotModified(eTag, lastModified, context))
{
// Not modified
response.StatusCode = (int)HttpStatusCode.NotModified;
response.StatusDescription = "Not Modified";
response.AddHeader("Content-Length", "0");
response.Cache.SetCacheability(HttpCacheability.Public);
response.Cache.SetLastModified(lastModified);
response.Cache.SetETag(eTag);
}
else
{
// Modified
response.Headers["ETag"] = eTag;
response.Headers["Last-Modified"] = lastModified.ToString("R");
}
}
public IActionResult GetThumbnail(HttpRequest request, HttpResponse response, string hash)
{
if (hash != null)
{
var path = driver.ParsePath(hash);
if (!path.IsDirectory && path.Root.CanCreateThumbnail(path.File))
{
if (!HttpCacheHelper.IsFileFromCache(path.File, request, response))
{
ImageWithMimeType thumb = path.Root.GenerateThumbnail(path);
return(new FileStreamResult(thumb.ImageStream, thumb.MimeType));
}
else
{
response.ContentType = Utils.GetMimeType(path.Root.PicturesEditor.ConvertThumbnailExtension(path.File.Extension));
//response.End();
}
}
}
return(new EmptyResult());
}
//获取用户代码中的配置
static UserCfg GetUserConfigItem()
{
UserCfg userCfg = new HttpCacheHelper().GetCache(AppConfig.GetCacheKey(CacheConst.userCfgInCode)) as UserCfg;
return(userCfg);
}
