userlogin.cs

动易SiteFactory&#8482 网上商店系统1.0源代码

namespace PowerEasy.WebSite
{
    using PowerEasy.Components;
    using PowerEasy.Controls;
    using PowerEasy.Enumerations;
    using PowerEasy.Model.UserManage;
    using PowerEasy.UserManage;
    using PowerEasy.Web.UI;
    using System;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.HtmlControls;
    using System.Web.UI.WebControls;

    public class UserLogin : DynamicPage
    {
        protected DropDownList DropExpiration;
        protected ImageButton IbtnEnter;
        protected HtmlForm Login;
        protected PlaceHolder PhValCode;
        protected TextBox TxtPassword;
        protected TextBox TxtUserName;
        protected TextBox TxtValidateCode;
        protected ValidationSummary ValidationSummary1;
        protected PowerEasy.Controls.RequiredFieldValidator ValrPassword;
        protected PowerEasy.Controls.RequiredFieldValidator ValrUserName;
        protected PowerEasy.Controls.RequiredFieldValidator ValrValidateCode;
        protected ValidateCode VcodeLogin;

        internal static string GetRedirectUrl()
        {
            HttpContext current = HttpContext.Current;
            string str = current.Request.QueryString["ReturnUrl"];
            if (str == null)
            {
                str = current.Request.Form["ReturnUrl"];
                if ((!string.IsNullOrEmpty(str) && !str.Contains("/")) && str.Contains("%"))
                {
                    str = HttpUtility.UrlDecode(str);
                }
            }
            if ((!string.IsNullOrEmpty(str) && !FormsAuthentication.EnableCrossAppRedirects) && !IsPathOnSameServer(str, current.Request.Url))
            {
                str = null;
            }
            if (str == null)
            {
                return FormsAuthentication.DefaultUrl;
            }
            return str;
        }

        protected void IbtnEnter_Click(object sender, ImageClickEventArgs e)
        {
            UserPrincipal principal;
            UserInfo userInfo = new UserInfo();
            userInfo.UserName = this.TxtUserName.Text.Trim();
            userInfo.UserPassword = this.TxtPassword.Text.Trim();
            if (SiteConfig.UserConfig.EnableCheckCodeOfLogin && (string.Compare(this.TxtValidateCode.Text.Trim(), this.VcodeLogin.ValidateCodeValue, true) != 0))
            {
                DynamicPage.WriteErrMsg("<li>您输入的验证码和系统产生的不一致，请重新输入。</li>");
            }
            if (Users.ValidateUser(userInfo) != UserStatus.None)
            {
                DynamicPage.WriteErrMsg("<li>用户登录名称或用户密码不对或用户帐号处于非正常状态！</li>");
                return;
            }
            bool isPersistent = false;
            DateTime now = DateTime.Now;
            DateTime expiration = DateTime.Now;
            string selectedValue = this.DropExpiration.SelectedValue;
            if (selectedValue != null)
            {
                if (!(selectedValue == "None"))
                {
                    if (selectedValue == "Day")
                    {
                        isPersistent = true;
                        expiration = now.AddDays(1.0);
                        goto Label_0130;
                    }
                    if (selectedValue == "Month")
                    {
                        isPersistent = true;
                        expiration = now.AddMonths(1);
                        goto Label_0130;
                    }
                    if (selectedValue == "Year")
                    {
                        isPersistent = true;
                        expiration = now.AddYears(1);
                        goto Label_0130;
                    }
                }
                else
                {
                    isPersistent = false;
                    expiration = now.AddDays(1.0);
                    goto Label_0130;
                }
            }
            isPersistent = false;
            expiration = now.AddMinutes(20.0);
        Label_0130:
            principal = new UserPrincipal();
            principal.UserName = userInfo.UserName;
            principal.LastPassword = userInfo.LastPassword;
            FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1, userInfo.UserName, now, expiration, isPersistent, principal.SerializeToString());
            string str = FormsAuthentication.Encrypt(ticket);
            HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName, str);
            if (isPersistent)
            {
                cookie.Expires = expiration;
            }
            cookie.HttpOnly = true;
            cookie.Path = FormsAuthentication.FormsCookiePath;
            cookie.Secure = FormsAuthentication.RequireSSL;
            base.Response.Cookies.Add(cookie);
            this.Session["UserName"] = userInfo.UserName;
            base.Response.Redirect(GetRedirectUrl());
        }

        internal static bool IsPathOnSameServer(string absUriOrLocalPath, Uri currentRequestUri)
        {
            Uri uri;
            if (Uri.TryCreate(absUriOrLocalPath, UriKind.Absolute, out uri) && !uri.IsLoopback)
            {
                return string.Equals(currentRequestUri.Host, uri.Host, StringComparison.OrdinalIgnoreCase);
            }
            return true;
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!SiteConfig.UserConfig.EnableCheckCodeOfLogin)
            {
                this.PhValCode.Visible = false;
            }
        }
    }
}