问题描述
我正在研究 LDAP 和 Java 中基于角色的安全实施.具体来说，我需要在 LDAP 中表示以下对象:
I'm working on role-based security implementation in LDAP and Java. Specifically, I have the following objects that I need to represent in LDAP:
- 用户
- 企业用户组 - 人力资源、财务等.
- 权限 - DOCUMENT_READ、DOCUMENT_MODIFY 等
- 角色 - ADMIN、GUEST 等
角色基本上是权限组，可以分配给一个用户或一组用户.
Roles are basically groups of permissions, and they can be assigned to a user or to a group of users.
我正在考虑在 LDAP 中将它们表示如下:
I was thinking of representing them in LDAP as folows:
- Users - 具有 userPassword 属性的 Person 和 uidObject 类.
- 用户组 - 组织单元类，用户在该类下位于.
- 角色 - groupOfNames 对象类.
- 权限 - 不确定这个，也许还有 groupOfNames类.
这个想法是让用户或组快速访问该用户或组拥有的角色列表.我知道我可以将用户和组放在角色的成员"属性中，但是我必须扫描所有角色以查找列出了该用户的角色.有没有办法在 Person 对象中拥有类似member"属性的东西?
The idea is to have a quick access from a user or a group to a list of roles that this user or group have. I know that I can put users and groups in a "member" attributes of a role, but then I will have to scan all roles to find which ones have this user listed. Is there a way to have something like the "member" attribute in a Person object?
一般来说，有谁知道 LDAP 中基于角色的良好安全实施?我找不到关于这个主题的好的文档或教程.我目前使用 ApacheDS 作为 LDAP 服务器，但我愿意接受建议.
Generally, does anyone know of a good role-based security implementation in LDAP? I could not find good documentation or tutorials on this subject. I'm using ApacheDS as an LDAP server currently, but I'm open to suggestions.
推荐答案
用户:inetOrgPerson
Users: inetOrgPerson
集合:organizationalUnit，但要小心尝试在 LDAP 目录中复制您的组织结构:这通常是一个错误，因为组织发生变化并且用户在组织中移动.您应该考虑使用 ou 属性.
Collections: organizationalUnit, but beware of trying to replicate your organizational structure in your LDAP directory: this is usually a mistake, as organizations change and users move around the organization. You should consider using the ou attribute.
角色:组织角色.我使用角色组作为 groupOfUniqueNames，但这是一个错误，我应该继续使用 organizationsRole，以便角色只是递归的.
Roles: organizationalRole. I used groups of roles as groupOfUniqueNames, but that was a mistake, I should have kept using organizationalRole so that roles are simply recursive.
权限:这只是一个角色，或者一个角色的属性.如果您使用 CMA，它们是在 web.xml 中定义的，而不是 LDAP.
Permission: this is just a role really, or an attribute of a role. If you use CMA they are defined in web.xml, not LDAP.
正如我所说，不要试图让您的 LDAP 树镜像您的组织.使其反映它自己的组织.我在必要时使用多值属性.我将organizationUnit 主要用于LDAP 本身内的层，或者我违反了上述规则的地方；-)
As I said, don't try to make your LDAP tree mirror your organization. Make it mirror its own organization. I use multiple-valued attributes wherever necessary. I use organizationalUnit mainly for layers within LDAP itself, or where I have broken my rules above ;-)
OpenLDAP 有一个参照完整性覆盖层，可以为您提供很多信息.
OpenLDAP has a referential integrity overlay which can keep a lot of this straight for you.
在 Matt Butcher 的 Mastering OpenLDAP 中有一些关于 LDAP 结构的非常好的提示，在 Howes 的 Understanding and Deploying LDAP Directory Services 中有更高层次的视图等.
There are some very good hints on LDAP structure in Mastering OpenLDAP by Matt Butcher, and a higher level view of it all in Understanding and Deploying LDAP Directory Services by Howes et al.
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