.net mvc 登錄問題

namespace WebApplication.App_Start
{
    public class WFFormPrincipal : IPrincipal
    {
        public IIdentity Identity { get; private set; }
        //用戶資料
        public WFFormsAuthentication UserData { get; private set; }

        public WFFormPrincipal ( FormsAuthenticationTicket ticket, WFFormsAuthentication userData )
        {
            if (ticket == null)
                throw new ArgumentNullException("ticket");
            if (userData == null)
                throw new ArgumentNullException("userData");

            Identity = new FormsIdentity(ticket);
            UserData = userData;
        }

        //角色驗證
        public bool IsInRole ( string role )
        {
            return false;
        }
    }

    public class WFFormsAuthentication
    {
        public string SessionId { get; set; }

        public string UserId { get; set; }

        public string Name { get; set; }

        public string TrueName { get; set; }

        public string LoginTime { get; set; }




        private const int CookieSaveDays = 20;

        public static string SetAuthCookie ( string username, WFFormsAuthentication userData, bool remember )
        {
            if (userData == null)
                throw new ArgumentNullException("userData");

            var data = Newtonsoft.Json.JsonConvert.SerializeObject(userData);

            var expires = remember ? DateTime.Now.AddDays(30) : DateTime.Now.AddDays(1);

            var ticket = new FormsAuthenticationTicket(1, username, DateTime.Now, expires, true, data);

            var cookieValue = FormsAuthentication.Encrypt(ticket);

            var cookie = new HttpCookie(FormsAuthentication.FormsCookieName, cookieValue)
            {
                HttpOnly = false,
                Secure = FormsAuthentication.RequireSSL,
                Domain = FormsAuthentication.CookieDomain,
                Path = FormsAuthentication.FormsCookiePath,
            };

            cookie.Expires = expires;
            HttpContext context = HttpContext.Current;
            if (context == null)
                throw new InvalidOperationException();

            context.Response.Cookies.Remove(cookie.Name);

            context.Response.Cookies.Add(cookie);


            return cookieValue;
            //context.Response.Cookies.Add(new HttpCookie("test", DateTime.Now.ToString("yyyyMMdd HHmmss")) {  Expires=DateTime.Now.AddDays(1)});
        }

        public static void SignOut ( )
        {
            var cookie = new HttpCookie(FormsAuthentication.FormsCookieName, "")
            {
                HttpOnly = true,
                Secure = FormsAuthentication.RequireSSL,
                Domain = FormsAuthentication.CookieDomain,
                Path = FormsAuthentication.FormsCookiePath,
                Expires = DateTime.Now.AddDays(-1)
            };
            HttpContext context = HttpContext.Current;
            if (context == null)
                throw new InvalidOperationException();
            context.Response.Cookies.Add(cookie);
        }



    
        public static WFFormPrincipal TryParsePrincipal ( HttpContext context )
        {
            if (context == null || context.Request == null)
                throw new ArgumentNullException("context");

            var cookie = context.Request.Cookies[FormsAuthentication.FormsCookieName];

            if (cookie != null && !string.IsNullOrEmpty(cookie.Value))
            {

                try
                {
                    var ticket = FormsAuthentication.Decrypt(cookie.Value);
                    if (ticket != null && !string.IsNullOrEmpty(ticket.UserData))
                    {
                        var userData = Newtonsoft.Json.JsonConvert.DeserializeObject<WFFormsAuthentication>(ticket.UserData);
                        if (userData != null)
                        {
                            return new WFFormPrincipal(ticket, userData);
                            //return IsValid(userData.SessionId) ? new WFFormPrincipal(ticket, userData) : null;
                        }
                    }
                }
                catch
                {
                }
            }

            return null;
        }
    }
}




//我這里是通過寫cookie方式實作用戶登錄  但是服務器做了負載均衡后就一直登錄不上去

uj5u.com熱心網友回復：

怎么用cookie呢，應該用session

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標籤：C#

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