我已经设置了一个授权模式来处理对子域站点的访问，并确保用户只能访问与站点相关的数据。
我使用“标准”codefirst 表单授权，其中我已将属性 SiteId 添加到所有方法以及所有表中。（示例如下所示 - 抱歉它的长度）
这样，登录不同子域站点的用户可以在其子域中使用相同的用户名。
我还在所有其他表中使用 siteID 以确保授权用户使用，例如，客户数据正在使用仅与其子域相关的客户数据。
在本地，在开发机器上，它可以正常工作。
但是，一旦我将应用程序放到网络主机上，我每隔几分钟就会被重定向到登录屏幕。一旦它发生在其中一个站点上，我就会从我登录的所有其他站点重定向。（site1.myapp.com，site2.maypp.com，....）所有站点都指向同一个应用程序（ site1.myapp.com)
所以问题是：
1) if anyone has an idea/experience in what may be the cause/solution for this and
2) perhaps suggestion on different (better) implementation method
是否有一些缓存导致系统如此频繁地要求登录授权？
以下是我当前设置的示例：
public class User
{
//Membership required
[Key()]
public virtual Guid UserId { get; set; }
public int SiteID { get; set; }
[Required()]
[MaxLength(20)]
public virtual string Username { get; set; }
[Required()]
[MaxLength(250)]
[DataType(DataType.EmailAddress)]
public virtual string Email { get; set; }
...
会员提供者也在使用 siteID：
public class CodeFirstMembershipProvider : CodeFirstExtendedProvider
{
private string _ApplicationName;
private int siteID = Convert.ToInt16(new AppSettings()["SiteID"]);
...
...
public override string ExtendedValidateUser(string userNameOrEmail, string password)
{
...
...
using (DbContext context = new DbContext())
{
User user = null;
user = context.Users.FirstOrDefault(Usr =>( Usr.Username == userNameOrEmail ) && (Usr.SiteID == siteID));
if (user == null)
{
user = context.Users.FirstOrDefault(Usr => (Usr.Email == userNameOrEmail ) && (Usr.SiteID == siteID));
}
...
...
在每个控制器中，我都有：
[Authorize]
public class CustomerController : Controller
{
int siteID = Convert.ToInt16(new AppSettings()["SiteID"]);
...
public ViewResult Index()
{
var data = (from k in context.Customers
from ks in context.CustomerSites
where ((k.CustomerID == ks.CustomerID) && (ks.SiteID == siteID) && (ks.CompleteAccess == true))
select (k)).ToList();
...
...
正在使用 AppSettings 类缓存 SiteID::
/// <summary>
/// This class is used to manage the Cached AppSettings
/// from the Database
/// </summary>
public class AppSettings
{
/// This indexer is used to retrieve AppSettings from Memory (only siteID for now)
public string this[string Name]
{
get
{
//See if we have an AppSettings Cache Item
if (HttpContext.Current.Cache["AppSettings"] == null)
{
int? SiteID = 0;
//Look up the URL and get the Tenant/Site Info
using (DbContext dc =
new DbContext())
{
Site result =
dc.Sites
.Where(a => a.Host ==
HttpContext.Current.Request.Url.
Host.ToLower())
.FirstOrDefault();
if (result != null)
{
SiteID = result.SiteID; }
}
AppSettings.LoadAppSettings(SiteID, FirmaID);
}
Hashtable ht =
(Hashtable)HttpContext.Current.Cache["AppSettings"];
if (ht.ContainsKey(Name))
{
return ht[Name].ToString();
}
else
{
return string.Empty;
}
}
}
/// <summary>
/// This Method is used to load the app settings from the
/// database into memory
/// </summary>
public static void LoadAppSettings(int? SiteID)
{
Hashtable ht = new Hashtable();
//Now Load the AppSettings
using (DbContext dc =
new DbContext())
{
ht.Add("SiteID", SiteID);
}
//Add it into Cache (Have the Cache Expire after 3 Hour)
HttpContext.Current.Cache.Add("AppSettings",
ht, null,
System.Web.Caching.Cache.NoAbsoluteExpiration,
new TimeSpan(3, 0, 0),
System.Web.Caching.CacheItemPriority.NotRemovable, null);
}
}