使用 spring security 3.1 对活动目录进行身份验证时处理角色

问题描述

我正在尝试使用 Spring Security 3.1 对 Active Directory 进行身份验证.我通过了身份验证，一切都很好.

I'm trying to use a authenticate with an Active directory using Spring Security 3.1.I get authenticated and all is well.

<sec:ldap-server id="ldapServer" url="ldap://ldap/dc=sub,dc=domain,dc=com" port="389" />

<sec:authentication-manager erase-credentials="true"  >
    <sec:authentication-provider ref="ldapActiveDirectoryAuthProvider" />
</sec:authentication-manager>

<bean id="ldapActiveDirectoryAuthProvider"
        class="org.springframework.security.ldap.authentication.ad.ActiveDirectoryLdapAuthenticationProvider">
    <constructor-arg value="domain" />
    <constructor-arg value="ldap://server:389/"/>
</bean>

现在问题来了.我如何处理用户的角色以便我可以设置过滤器?

Now to the question. How do I handle roles for the user so that I can setup my filters?

例如

<sec:intercept-url pattern="/**" access="ROLE_USER"/>

解决方案

我通过使用 UserDetailContextMapper 了解了如何做到这一点，并将我的 AD 组映射到 ROLE_USER、ROLE_ADMIN 等.

Solution

I found out how to do this by using the UserDetailContextMapper and map my AD groups to ROLE_USER,ROLE_ADMIN etc.

    <bean id="ldapActiveDirectoryAuthProvider"
        class="org.springframework.security.ldap.authentication.ad.ActiveDirectoryLdapAuthenticationProvider">
    <constructor-arg value="domain" />
    <constructor-arg value="ldap://host:389/"/>
    <property name="userDetailsContextMapper" ref="tdrUserDetailsContextMapper"/>
    <property name="useAuthenticationRequestCredentials" value="true"/>
</bean>

<bean id="tdrUserDetailsContextMapper" class="com.bla.bla.UserDetailsContextMapperImpl"/>

映射器类:

public class UserDetailsContextMapperImpl implements UserDetailsContextMapper, Serializable{
    private static final long serialVersionUID = 3962976258168853954L;

    @Override
    public UserDetails mapUserFromContext(DirContextOperations ctx, String username, Collection<? extends GrantedAuthority> authority) {

        List<GrantedAuthority> mappedAuthorities = new ArrayList<GrantedAuthority>();


        for (GrantedAuthority granted : authority) {

            if (granted.getAuthority().equalsIgnoreCase("MY USER GROUP")) {
                mappedAuthorities.add(new GrantedAuthority(){
                    private static final long serialVersionUID = 4356967414267942910L;

                    @Override
                    public String getAuthority() {
                        return "ROLE_USER";
                    }

                });
            } else if(granted.getAuthority().equalsIgnoreCase("MY ADMIN GROUP")) {
                mappedAuthorities.add(new GrantedAuthority() {
                    private static final long serialVersionUID = -5167156646226168080L;

                    @Override
                    public String getAuthority() {
                        return "ROLE_ADMIN";
                    }
                });
            }
        }
        return new User(username, "", true, true, true, true, mappedAuthorities);
    }

    @Override
    public void mapUserToContext(UserDetails arg0, DirContextAdapter arg1) {
    }
}

推荐答案

beans.xml 中的角色必须与 memberOf 值属性的 CN(通用名称)完全匹配.您应该阅读有关目录基础知识的教程.

The roles in the beans.xml must be an exact match of the CN (common name) of the memberOf value attribute. You should read a tutorial about directory basics.

说有这个用户:CN=Michael-O,OU=Users,OU=department,DC=sub,DC=company,DC=net在他的上下文中存在这个 memberOf 值 CN=Group Name,OU=Permissions,OU=Groups,OU=department,DC=sub,DC=company,DC=net

Say have this user:CN=Michael-O,OU=Users,OU=department,DC=sub,DC=company,DC=netIn his context exists this memberOf value CN=Group Name,OU=Permissions,OU=Groups,OU=department,DC=sub,DC=company,DC=net

Bean 将定位这个 memberOf 值并提取 Group Name.您 beans.xml 必须具有该值.

The Bean will locate this memberOf value and extract Group Name. You beans.xml has to have exactly this value.

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