KYLIN-3197 When ldap is opened, I use an ignored case user to login, …

…the page does not respond.

Signed-off-by: peng.jianhua <peng.jianhua@zte.com.cn>

server-base/src/main/java/org/apache/kylin/rest/security/LDAPAuthoritiesPopulator.java

@@ -22,6 +22,7 @@
 
 import org.apache.kylin.rest.constant.Constant;
 import org.springframework.ldap.core.ContextSource;
+import org.springframework.ldap.core.DirContextOperations;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.ldap.userdetails.DefaultLdapAuthoritiesPopulator;
@@ -48,4 +49,11 @@ public Set<GrantedAuthority> getGroupMembershipRoles(String userDn, String usern
         }
         return userAuthorities;
     }
+
+    @Override
+    protected Set<GrantedAuthority> getAdditionalRoles(DirContextOperations user, String username) {
+        String userDn = user.getNameInNamespace();
+        username = user.getStringAttribute("cn");
+        return getGroupMembershipRoles(userDn, username);
+    }
 }