C#實現的訪盜鏈的FileHandler

C#實現的訪盜鏈的FileHandler

/// <summary>
/// 訪盜鏈的FileHandler
/// </summary>
public class FileHandler:IHttpHandler
{
public FileHandler()
{
//
// TODO: 在此處添加構造函數邏輯
//
}

public void ProcessRequest(HttpContext context)
  {
  if ((context.Request.UrlReferrer == null) || (context.Request.UrlReferrer.Host == "localhost" && context.Request.UrlReferrer.Port == 16490))
  {
  context.Response.Expires = 0;
  context.Response.Clear();
  context.Response.ContentType = "rar";
  context.Response.WriteFile(context.Request.PhysicalPath);
  context.Response.End();
  }
  else //如果不是本地引用，則屬于盜鏈引用，
  {
HttpResponse response = context.Response;
  response.Redirect(context.Request.ApplicationPath + "/ErrorPage.htm");
  }
}
  public bool IsReusable
  {
  get
  {
  return false;
  }
  }
}</pre>