SSO 单点登录

Client:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.Mvc;

namespace SiteA.Controllers
{


    public class Info
    {

        public string UserName { get; set; }

        public  string Passward { get; set; }

    }
    public class ControllerBasic : Controller
    {
        protected override void OnActionExecuting(ActionExecutingContext filterContext)
        {

            if (Session["Info"] != null)
            {
                // 拿seesion中的token  验证登录状态，如果已经登录，直接返回
                //  Do:  调用sso 的webservice

                var url = Request.Url.AbsoluteUri;
                //filterContext.Result =  new RedirectResult(url.Contains("?") ? url.Substring(0, url.LastIndexOf("?")) : url); ;
                //Response.Redirect(url.Contains("?")?url.Substring(0,url.LastIndexOf("?")):url);
                // 如果验证成功
                return;
                // 验证失败
               // Response.Redirect($"https://localhost:44325/home/Login?backUrl=" + $"{ System.Web.HttpUtility.UrlEncode(Request.Url.AbsoluteUri)}");
            }
            if (Request["token"] != null)
            {
                var token = Request["Token"];
                //  去主站获取凭证
                Info Info = new Info { UserName="hnzheng",Passward="123"}; // 包含用户名、姓名、过期时间等
                if (Info == null)
                {
                    // 跳转到单点登录页面
                    Response.Redirect($"https://localhost:44325/home/Login?backUrl=" + $"{ System.Web.HttpUtility.UrlEncode(Request.Url.AbsoluteUri)}");
                }
                else
                {
                    // 保存凭证
                    Session["Info"] = new
                    {
                        UserName = Info.UserName,
                        Passward = Info.Passward,
                        Token = token
                        // 等等其他信息
                    };

                }             
            }
            else
            {
               
                Response.Redirect( $"https://localhost:44325/home/Login?backUrl=" + $"{ System.Web.HttpUtility.UrlEncode(Request.Url.AbsoluteUri)}");
            }






        }

    }
}

SSo:

  public ActionResult Login()
        {
            var userName = Request.Form["UserName"];
            var passard = Request.Form["Paassward"];
            var returnUrl = Request.Url.AbsoluteUri;
            //Do:验证用户名和密码
            // 模拟验证
            if (userName == "hnzheng" && passard == "123")
            {
                var token = GetToken();
                //  保存用户名和密码,可用其他方式替代
                {
                    System.Runtime.Caching.MemoryCache memeryCache = MemoryCache.Default;
                    CacheItemPolicy cacheItemPolicy = new CacheItemPolicy();
                    cacheItemPolicy.AbsoluteExpiration = DateTime.Now.AddDays(1);
                    // Session["UserInfo"]=$"{userName}|{passard}";
                  
                    memeryCache.Add(new CacheItem(token, "hnzheng|123"), cacheItemPolicy);

                }
                // 跳转到主站的首页
                {
                    // 解析url
                    string url = Request.Url.AbsoluteUri;
                    if (!string.IsNullOrEmpty(url))
                    {

                        GoForward(url,token);
                    }


                }
                RedirectToAction("Home", "index");

            }
            else
                ViewBag.Message = "用户名或密码不正确!";

            return View();

        }