using System;
using System.Web;
using System.Web.Security;

namespace AuthTest
{
  public class Authentication
  {
    /// <summary>
    /// 設(shè)置用戶登陸成功憑據(jù)（Cookie存儲(chǔ)）
    /// </summary>
    /// <param name="UserName">用戶名</param>
    /// <param name="PassWord">密碼</param>
    /// <param name="Rights">權(quán)限</param>
    public static void SetCookie(string UserName,string PassWord,string Rights)
    {
      //
      //String PassWord="test";
      //
      String UserData = UserName + "#" + PassWord+"#"+Rights;
      if (true)
      {
        //數(shù)據(jù)放入ticket
        FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1, UserName, DateTime.Now, DateTime.Now.AddMinutes(60), false, UserData);
        //數(shù)據(jù)加密
        string enyTicket = FormsAuthentication.Encrypt(ticket);
        HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName, enyTicket);
        HttpContext.Current.Response.Cookies.Add(cookie);
      }
    }
    /// <summary>
    /// 判斷用戶是否登陸
    /// </summary>
    /// <returns>True,Fales</returns>
    public static bool isLogin()
    {
      return HttpContext.Current.User.Identity.IsAuthenticated;
    }
    /// <summary>
    /// 注銷登陸
    /// </summary>
    public static void logOut()
    {
      FormsAuthentication.SignOut();
    }
    /// <summary>
    /// 獲取憑據(jù)中的用戶名
    /// </summary>
    /// <returns>用戶名</returns>
    public static string getUserName()
    {
      if (isLogin())
      {
        string strUserData = ((FormsIdentity)(HttpContext.Current.User.Identity)).Ticket.UserData;
        string[] UserData = strUserData.Split('#');
        if (UserData.Length != 0)
        {
          return UserData[0].ToString();
        }
        else
        {
          return "";
        }
      }
      else
      {
        return "";
      }
    }
    /// <summary>
    /// 獲取憑據(jù)中的密碼
    /// </summary>
    /// <returns>密碼</returns>
    public static string getPassWord()
    {
      if (isLogin())
      {
        string strUserData = ((FormsIdentity)(HttpContext.Current.User.Identity)).Ticket.UserData;
        string[] UserData = strUserData.Split('#');
        if (UserData.Length!=0)
        {
          return UserData[1].ToString();
        }
        else
        {
          return "";
        }
      }
      else
      {
        return "";
      }
    }
    /// <summary>
    /// 獲取憑據(jù)中的用戶權(quán)限
    /// </summary>
    /// <returns>用戶權(quán)限</returns>
    public static string getRights()
    {
      if (isLogin())
      {
        string strUserData = ((FormsIdentity)(HttpContext.Current.User.Identity)).Ticket.UserData;
        string[] UserData = strUserData.Split('#');
        if (UserData.Length!=0)
        {
          return UserData[2].ToString();
        }
        else
        {
          return "";
        }
      }
      else
      {
        return "";
      }
    }
  }
}