namespace FineUIPro.Web
{
    using BLL;
    using System;
    using System.Security.Cryptography;
    using System.Text;
    using System.Web.Services;

    public partial class Login : PageBase
    {

        #region
        /// <summary>
        /// 是否本部
        /// </summary>
        public string IsOffice
        {
            get
            {
                return (string)ViewState["IsOffice"];
            }
            set
            {
                ViewState["IsOffice"] = value;
            }
        }
        /// <summary>
        /// 菜单类型
        /// </summary>
        public string MenuType
        {
            get
            {
                return (string)ViewState["MenuType"];
            }
            set
            {
                ViewState["MenuType"] = value;
            }
        }
        /// <summary>
        /// 项目ID
        /// </summary>
        public string ProjectId
        {
            get
            {
                return (string)ViewState["ProjectId"];
            }
            set
            {
                ViewState["ProjectId"] = value;
            }
        }
        #endregion

        #region 页面加载
        /// <summary>
        /// 页面加载
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {            
              // BOSHENGMonitorService.AddData(null,null);
                string userdata = Request.Params["basedata"];
                if (!string.IsNullOrEmpty(userdata))
                {
                    try
                    {
                        string result = RSADecrypt(Const.OAPrivateKey_CWCEC, userdata); //经过RSA解密后获得的域登录名+时间戳
                        if (!string.IsNullOrEmpty(result))
                        {
                            var value = Funs.GetStrListByStr(result, '&');
                            if (value.Count > 1)
                            {
                                var userValues = Funs.GetStrListByStr(value[0], '=');
                                var timespan = Funs.GetStrListByStr(value[1], '=');
                                if (userValues.Count > 1 && timespan.Count > 1 && timespan[1] != null)
                                {
                                    TimeSpan ts = DateTime.Now- new DateTime(1970, 1, 1, 0, 0, 0, 0);
                                    //DateTime time = Funs.IntToDateTime(Convert.ToInt64(timespan[1]));                                
                                    //if (DateTime.Now < time.AddSeconds(10))  //时间间隔小于10秒
                                    if (Convert.ToInt64(ts.TotalMilliseconds) - Convert.ToInt64(timespan[1]) < 600000)
                                    {
                                        if (LoginService.UserLogOn_OA(userValues[1], true, this.Page))
                                        {
                                            string url = getUrl();
                                            Response.Redirect(url);
                                        }
                                    }
                                    else
                                    {
                                        Alert.ShowInTop("时间戳过期！", MessageBoxIcon.Warning);
                                    }
                                }
                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        //ErrLogInfo.WriteLog("OA单点登陆", ex);
                        //Alert.ShowInParent(ex.Message, MessageBoxIcon.Error);
                    }
                }
            }
        }
        #endregion

        [WebMethod]
        public static string LoginPost(string user, string pwd)
        {
            return new Login().btnLogin_Click(user, pwd);
        }

        private string btnLogin_Click(string user, string pwd)
        {
            string url = "";
            try
            {
                if (LoginService.UserLogOn(user, pwd, true, this.Page))
                {
                    url = getUrl();
                }
            }
            catch (Exception ex)
            {
                ErrLogInfo.WriteLog("登陆错误：" + ex.Message);
            }

            return url;
        }

        /// <summary>
        ///  获取跳转页面
        /// </summary>
        /// <returns></returns>
        private string getUrl()
        {
            string url = "";
            this.CurrUser.RoleType = RoleService.GetRoleTypeByRoleId(this.CurrUser.RoleId);
            if (!this.CurrUser.LastIsOffice.HasValue)
            {
                this.CurrUser.LastIsOffice = this.CurrUser.IsOffice;
            }
            if (this.CurrUser.LastIsOffice == true)
            {
                this.CurrUser.LoginProjectId = null;
                ////本部菜单
                url = "index.aspx";
            }
            else
            {
                this.CurrUser.LoginProjectId = this.CurrUser.LastProjectId;
                //// 项目菜单
                url = "indexProject.aspx?projectId=" + this.CurrUser.LastProjectId;
            }

            LogService.AddSys_Log(this.CurrUser, this.CurrUser.UserName, this.CurrUser.UserId, Const.UserMenuId, Const.BtnLogin);

            return url;
        }


        /// <summary>
        /// <summary>
        /// 用私钥对数据进行RSA解密
        /// </summary>
        /// <param name="privatekey"></param>
        /// <param name="content"></param>
        /// <returns></returns>
        public static string RSADecrypt(string privatekey, string content)
        {

            RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
            byte[] cipherbytes;
            rsa.FromXmlString(privatekey);
            //对参数content进行两次base64解密
            cipherbytes = rsa.Decrypt(Convert.FromBase64String(Encoding.UTF8.GetString(Convert.FromBase64String(content))), false);
            return Encoding.UTF8.GetString(cipherbytes);
        }
    }
}