code/Athena0.0.1/common/Util/Web/WebHelper.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Web;
using System.Web.Security;

namespace Athena.common.Util.Web
{
    public class WebHelper
    {
        static string[] BeReplacedStrs = new string[] { ".com", ".cn", ".com.cn", ".edu.cn", ".net.cn", ".org.cn", ".co.jp", ".gov.cn", ".co.uk", "ac.cn", ".edu", ".tv", ".info", ".ac", ".ag", ".am", ".at", ".be", ".biz", ".bz", ".cc", ".de", ".es", ".eu", ".fm", ".gs", ".hk", ".in", ".info", ".io", ".it", ".jp", ".la", ".md", ".ms", ".name", ".net", ".nl", ".nu", ".org", ".pl", ".ru", ".sc", ".se", ".sg", ".sh", ".tc", ".tk", ".tv", ".tw", ".us", ".co", ".uk", ".vc", ".vg", ".ws", ".il", ".li", ".nz" };

        /// <summary>
        /// 从 cookieName 中获取有效的 FormsAuthenticationTicket
        /// </summary>
        /// <param name="cookieName"></param>
        /// <param name="checkExpiration">是否验证票据的有效期</param>
        /// <returns></returns>
        public static FormsAuthenticationTicket GetTicketByCookieName(string cookieName, bool checkExpiration = false)
        {
            FormsAuthenticationTicket authTicket = null;

            HttpRequest request = HttpContext.Current.Request;
            HttpCookie authCookie = request.Cookies[cookieName];
            if (authCookie != null && !string.IsNullOrEmpty(authCookie.Value))
            {
                try
                {
                    authTicket = FormsAuthentication.Decrypt(authCookie.Value);
                }
                catch (CryptographicException)
                {
                    return null;
                }
                if (checkExpiration && authTicket.Expired)
                {
                    return authTicket = null;
                }
            }

            return authTicket;
        }
        public static string CreateEncryptedTicket(string name, DateTime expiration, string userData, bool isPersistent = false)
        {
            FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1, name, DateTime.Now, expiration, false, userData);
            string encryptedTicket = FormsAuthentication.Encrypt(ticket);

            return encryptedTicket;
        }

        /// <summary>
        /// 从 cookieName 中获取有效 FormsAuthenticationTicket 的 Name，如果获取 Ticket 失败，则返回 null
        /// </summary>
        /// <param name="cookieName"></param>
        /// <param name="checkExpiration">是否验证票据的有效期</param>
        /// <returns></returns>
        public static string GetTicketNameByCookieName(string cookieName, bool checkExpiration = false)
        {
            FormsAuthenticationTicket authTicket = GetTicketByCookieName(cookieName, checkExpiration);