JpgHandler :ZT

using System;
using System.Web;

public class JpgHandler : IHttpHandler
{
	public void ProcessRequest(HttpContext context)
	{
		string FileName = context.Server.MapPath(context.Request.FilePath);
		if (context.Request.ServerVariables["HTTP_REFERER"] == null)
		{
			context.Response.ContentType = "image/JPEG";
			context.Response.WriteFile("/no.jpg");
		}
		else
		{
			if (context.Request.ServerVariables["HTTP_REFERER"].IndexOf("mydomain.com") > 0)
			{
				context.Response.ContentType = "image/JPEG";
				context.Response.WriteFile(FileName);
			}
			else
			{
				context.Response.ContentType = "image/JPEG";
				context.Response.WriteFile("/no.jpg");
			}
		}
	}

	public bool IsReusable
	{
	get
		{ return true; }
	}
}