ASP .NET MVC 表单授权与 Active Directory 组

ASP .NET MVC Forms authorization with Active Directory groups(ASP .NET MVC 表单授权与 Active Directory 组)

问题描述

我正在尝试使用 ASP.NET MVC 中的用户和组对 Active Directory 进行身份验证.

我已将以下属性放在我所有的类(帐户类除外)上:

[授权(角色=SubcontractDB 用户")]

该组位于活动目录中的 OU=Area->OU=Groups->OU=Company->CN=SubcontractDB 下.我假设我还需要在 web.config 中设置一个 RoleManager，我尝试按如下方式执行:

<提供者><清除/><add name="ADMembershipProvider"type="System.Web.Security.ActiveDirectoryMembershipProvider"connectionStringName="ADConnectionString"attributeMapUsername="sAMAccountName"/></提供者></roleManager>

我的连接字符串是:

显然我做错了，因为这不起作用.我想要做的就是允许访问属于 AD 中某个组成员的用户.

所以我最终实现了我自己的授权属性并使用它:

命名空间 Application.Filters{公共类 AuthorizeADAttribute : AuthorizeAttribute{公共字符串组{获取；放;}protected override bool AuthorizeCore(HttpContextBase httpContext){如果 (base.AuthorizeCore(httpContext)){/* 如果没有授权，立即返回真锁定到任何特定的 AD 组 */if (String.IsNullOrEmpty(Groups))返回真；//获取 AD 组var groups = Groups.Split(',').ToList();//验证用户是否在给定的 AD 组中(如果有)var context = new PrincipalContext(ContextType.Domain, "server");var userPrincipal = UserPrincipal.FindByIdentity(上下文，IdentityType.SamAccountName,httpContext.User.Identity.Name);foreach (var group in groups)if (userPrincipal.IsMemberOf(context, IdentityType.Name, group))返回真；}返回假；}}}

然后我可以简单地使用上面的控制器或函数

使用 Application.Filters;...[AuthorizeAD(Groups = "groupname")]

注意:您可以简单地使用 new PrincipalContext(ContextType.Domain); 但是 .NET 4.0 中有一个错误会引发 (0x80005000) userPrincpal.IsMemberOf(...) 错误.有关详细信息，请参阅此处.

如果您想知道如何根据授权失败重定向到另一个页面，请在此处查看我的答案:在ASP.NET MVC中基于控制器属性向视图模型添加错误信息>

I'm attempting to authenticate using users and groups in ASP.NET MVC against Active Directory.

I have put the following attribute on all my classes (except the account class):

[Authorize (Roles="SubcontractDB Users")]

This group is found under OU=Area->OU=Groups->OU=Company->CN=SubcontractDB in active directory. I'm assuming I also need to setup a RoleManager in web.config which I've attempted to do as follows:

<roleManager defaultProvider="ADRoleProvider">
  <providers>
    <clear />
        <add name="ADMembershipProvider" 
             type="System.Web.Security.ActiveDirectoryMembershipProvider" 
             connectionStringName="ADConnectionString" 
             attributeMapUsername="sAMAccountName" />
  </providers>
</roleManager>

My connection string is:

    <add name="ADConnectionString" 
         connectionString="LDAP://blah.com:389/DC=blah,DC=wateva,DC=com"/>

Obviously I'm doing it wrong as this doesn't work. All I want to do is allow access to users that are a member of a certain group in AD.

So I ended up implementing my own authorize attribute and using that:

namespace Application.Filters
{  
   public class AuthorizeADAttribute : AuthorizeAttribute
   {
      public string Groups { get; set; }

      protected override bool AuthorizeCore(HttpContextBase httpContext)
      {
         if (base.AuthorizeCore(httpContext))
         {
            /* Return true immediately if the authorization is not 
            locked down to any particular AD group */
            if (String.IsNullOrEmpty(Groups))
               return true;

            // Get the AD groups
            var groups = Groups.Split(',').ToList<string>();

            // Verify that the user is in the given AD group (if any)
            var context = new PrincipalContext(ContextType.Domain, "server");
            var userPrincipal = UserPrincipal.FindByIdentity(context, 
                                                 IdentityType.SamAccountName,
                                                 httpContext.User.Identity.Name);

            foreach (var group in groups)
               if (userPrincipal.IsMemberOf(context, IdentityType.Name, group))
                  return true;
         }
         return false;
      }
   }
}

And then I can simply use the following above controllers or functions

Using Application.Filters;
...
[AuthorizeAD(Groups = "groupname")]

NB: You could simply use new PrincipalContext(ContextType.Domain); however there is a bug in .NET 4.0 that throws a (0x80005000) error at userPrincpal.IsMemberOf(...). See here for details.

If you would like to know how to redirect to another page based on failed authorization, check my answer here: Adding an error message to the view model based on controller attribute in ASP.NET MVC

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