杜絕ASP.NET網站JavaScript註解外露

using Microsoft.Ajax.Utilities;

using System;

using System.Collections.Generic;

using System.Configuration;

using System.IO;

using System.Linq;

using System.Text.RegularExpressions;

using System.Web;

using System.Web.Hosting;

namespace MyWeb.Models

{

    public class AppScriptsHandler : IHttpHandler

    {

        public bool IsReusable

        {

            get { return false; }

        }

        static string[] debugClients = null;

        static string[] DebugClients

        {

            get

            {

                if (debugClients == null)

                {

                    var list = new List<string>();

                    string config = 
                       ConfigurationManager.AppSettings["AppScriptsDebugClients"];

                    if (!string.IsNullOrEmpty(config))

                    {

                        foreach (string ip in config.Split(',', ';'))

                        {

                            //Replace to regular expression pattern

                            list.Add(ip.Replace("*", "[0-9]+").Replace(".", "\\."));

                        }

                    }

                    debugClients = list.ToArray();

                }

                return debugClients;

            }

        }

        //Check if the ip address matches any pattern in DebugClients

        static bool IsDebugClient(string ip)

        {

            foreach (string ipPattern in DebugClients)

            {

                if (Regex.IsMatch(ip, ipPattern))

                    return true;

            }

            return false;

        }

        public void ProcessRequest(HttpContext context)

        {

            string jsFile = Path.GetFileName(context.Request.Url.AbsolutePath).ToLower();

            string jsPath = Path.Combine(
                   HostingEnvironment.MapPath("~/Scripts/mycode"), jsFile);

            var resp = context.Response;

            if (!jsFile.EndsWith(".js") || !File.Exists(jsPath))

            {

                resp.Write("//JavaScript not found: " + jsFile);

            }

            else

            {

                string js = File.ReadAllText(jsPath);

                resp.ContentType = "text/javascript";

                if (jsFile.EndsWith(".min.js") || 

                    IsDebugClient(context.Request.UserHostAddress))

                {

                    //if already minified or from debug clients

                    resp.Write(js);

                }

                else 

                {

                    //return minified result

                    Minifier minifier = new Minifier();

                    resp.Write(minifier.MinifyJavaScript(js));

                }

            }

        }

    }

}