<%@ WebHandler Language="C#" Class="getFile_m" Debug="true" %>

using System;
using System.Collections.Generic;
using System.Web;
using System.Data;
using System.Data.Common;
using System.Web.SessionState;
using System.Text;
using eMIS;
using System.Collections;
using System.IO;


public class getFile_m : IHttpHandler, IRequiresSessionState
{

    public void ProcessRequest (HttpContext context)
    {

        string filepath = context.Request.QueryString["filepath"].ToString();
         string wwwroot = context.Request.ApplicationPath;
        if (wwwroot == "/") wwwroot = "";

        DataManager dm = new DataManager();
        
        
        if(filepath.Contains(":"))
        {
            string[] a=filepath.Split(':');
            FileLogInfo file =FileDownloadManager.Md5ToFile(dm,a[0]);

            string path = wwwroot+file.WebPath;


            //context.Response.Write(path);
            //context.Response.End();
            
            string fileName = HttpUtility.UrlEncode(file.FileName);
            fileName = fileName.Replace("+", "%20");



            context.Response.ContentType = "application/octet-stream";



            context.Response.AddHeader("Content-Disposition", "attachment; filename=" + fileName);

            context.Response.TransmitFile(path);
        }
        
       

    }

    public bool SecurityCheck(string wwwroot,string filepath)
    {
        // if(!checkPath(filepath))
        // context.Response.End();
        int lastDot = filepath.LastIndexOf(".");
        return filepath.ToLower().Substring(wwwroot.Length,11)=="/app_files/" && !filepath.Contains("../");
    }

    public bool IsReusable {
        get {
            return false;
        }
    }
}