nginx+iis+redis+Task.MainForm构建分布式架构 之 (redis存储分布式共享的session及共享session运作流程)

 1  /// <summary>
 2     /// Login扩展类
 3     /// </summary>
 4     public class UserLoginExtend
 5     {
 6 
 7         public static string HashSessionKey = "Hash_SessionIds";
 8         public static string CookieName = "Sid";
 9 
10         public static T BaseSession<T>(HttpContextBase context) where T : class,new()
11         {
12             //获取cookie中的token
13             var cookie = context.Request.Cookies.Get(CookieName);
14             if (cookie == null) { return default(T); }
15 
16             //使用toke去查询缓存工厂是否有对应的session信息,如果有自动把缓存工厂的时间往后延nAddCookieExpires分钟
17             //return CacheRepository.Current(CacheType.RedisCache).GetHashValue<T>(HashSessionKey, cookie.Value);
18             return CacheRepository.Current(CacheType.RedisCache).GetCache<T>(cookie.Value);
19         }
20 
21         public static RedirectResult BaseCheckLogin<T>(
22             HttpContextBase context,
23             out T t,
24             int nAddCookieExpires = 30,
25             string loginUrl = "/User/Login") where T : class,new()
26         {
27             var returnUrl = context.Request.Path;
28             var result = new RedirectResult(string.Format("{0}?returnUrl={1}", loginUrl, returnUrl));
29             t = default(T);
30             try
31             {
32 
33                 //获取cookie中的token
34                 var cookie = context.Request.Cookies.Get(CookieName);
35                 if (cookie == null) { return result; }
36 
37                 //使用toke去查询缓存工厂是否有对应的session信息,如果有自动把缓存工厂的时间往后延nAddCookieExpires分钟
38                 //t = CacheRepository.Current(CacheType.RedisCache).GetHashValue<T>(HashSessionKey, cookie.Value);
39                 t = CacheRepository.Current(CacheType.RedisCache).GetCache<T>(cookie.Value, true);
40                 if (t == null)
41                 {
42                     //清空cookie
43                     cookie.Expires = DateTime.Now.AddDays(-1);
44                     context.Response.SetCookie(cookie);
45                     return result;
46                 }
47 
48                 //登陆验证都成功后，需要重新设置cookie中的toke失效时间
49                 cookie.Expires = DateTime.Now.AddMinutes(nAddCookieExpires);
50                 context.Response.SetCookie(cookie);
51 
52                 //设置session失效时间
53                 CacheRepository.Current(CacheType.RedisCache).AddExpire(cookie.Value, nAddCookieExpires);
54             }
55             catch (Exception ex)
56             {
57                 return result;
58             }
59             return null;
60         }
61 
62         public static RedirectResult BaseLoginOut(HttpContextBase context, string redirectUrl = "/")
63         {
64             var result = new RedirectResult(string.IsNullOrEmpty(redirectUrl) ? "/" : redirectUrl);
65             try
66             {
67                 //获取cookie中的token
68                 var cookie = context.Request.Cookies.Get(CookieName);
69                 if (cookie == null) { return result; }
70 
71                 var key = cookie.Value;
72 
73                 //设置过期cookie(先过期cookie)
74                 cookie.Expires = DateTime.Now.AddDays(-1);
75                 context.Response.SetCookie(cookie);
76 
77                 //移除session
78                 //var isRemove = CacheRepository.Current(CacheType.RedisCache).RemoveHashByKey(HashSessionKey, key);
79                 var isRemove = CacheRepository.Current(CacheType.RedisCache).Remove(key);
80             }
81             catch (Exception ex)
82             {
83 
84                 throw new Exception(ex.Message);
85             }
86             //跳转到指定地址
87             return result;
88         }
89     }

 1 public class BaseController : Controller
 2     {
 3 
 4         protected StageModel.MoUserData userData;
 5 
 6         protected override void Initialize(System.Web.Routing.RequestContext requestContext)
 7         {
 8 
 9             //使用登录扩展，验证登陆，获取登陆信息
10             var redirectResult = UserLoginExtend.BaseCheckLogin(requestContext.HttpContext, out userData,2);
11             //验证失败，跳转到loginUrl
12             if (redirectResult != null)
13             {
14                 requestContext.HttpContext.Response.Redirect(redirectResult.Url, true);
15                 return;
16             }
17 
18             //验证成功，添加视图访问登陆信息数据
19             ViewBag.UserData = userData;
20             base.Initialize(requestContext);
21         }
22     }