| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.server.core.authz.support; |
| |
| |
| import java.util.*; |
| |
| import javax.naming.NamingEnumeration; |
| import javax.naming.NamingException; |
| import javax.naming.directory.Attributes; |
| import javax.naming.directory.SearchControls; |
| |
| import org.apache.directory.server.core.partition.PartitionNexusProxy; |
| import org.apache.directory.shared.ldap.aci.ACITuple; |
| import org.apache.directory.shared.ldap.aci.AuthenticationLevel; |
| import org.apache.directory.shared.ldap.aci.ProtectedItem; |
| import org.apache.directory.shared.ldap.filter.ExprNode; |
| import org.apache.directory.shared.ldap.filter.PresenceNode; |
| import org.apache.directory.shared.ldap.name.LdapDN; |
| |
| |
| /** |
| * An {@link ACITupleFilter} that discards all tuples that doesn't satisfy |
| * {@link ProtectedItem.MaxImmSub} constraint if available. (18.8.3.3, X.501) |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev$, $Date$ |
| */ |
| public class MaxImmSubFilter implements ACITupleFilter |
| { |
| private final ExprNode childrenFilter; |
| private final SearchControls childrenSearchControls; |
| |
| |
| public MaxImmSubFilter() |
| { |
| childrenFilter = new PresenceNode( "objectClass" ); |
| childrenSearchControls = new SearchControls(); |
| childrenSearchControls.setSearchScope( SearchControls.ONELEVEL_SCOPE ); |
| } |
| |
| |
| public Collection filter( Collection tuples, OperationScope scope, PartitionNexusProxy proxy, |
| Collection userGroupNames, LdapDN userName, Attributes userEntry, AuthenticationLevel authenticationLevel, |
| LdapDN entryName, String attrId, Object attrValue, Attributes entry, Collection microOperations, Attributes entryView ) |
| throws NamingException |
| { |
| if ( entryName.size() == 0 ) |
| { |
| return tuples; |
| } |
| |
| if ( tuples.size() == 0 ) |
| { |
| return tuples; |
| } |
| |
| if ( scope != OperationScope.ENTRY ) |
| { |
| return tuples; |
| } |
| |
| int immSubCount = -1; |
| |
| for ( Iterator i = tuples.iterator(); i.hasNext(); ) |
| { |
| ACITuple tuple = ( ACITuple ) i.next(); |
| if ( !tuple.isGrant() ) |
| { |
| continue; |
| } |
| |
| for ( Iterator j = tuple.getProtectedItems().iterator(); j.hasNext(); ) |
| { |
| ProtectedItem item = ( ProtectedItem ) j.next(); |
| if ( item instanceof ProtectedItem.MaxImmSub ) |
| { |
| if ( immSubCount < 0 ) |
| { |
| immSubCount = getImmSubCount( proxy, entryName ); |
| } |
| |
| ProtectedItem.MaxImmSub mis = ( ProtectedItem.MaxImmSub ) item; |
| if ( immSubCount >= mis.getValue() ) |
| { |
| i.remove(); |
| break; |
| } |
| } |
| } |
| } |
| |
| return tuples; |
| } |
| |
| public static final Collection SEARCH_BYPASS; |
| static |
| { |
| Collection c = new HashSet(); |
| c.add( "normalizationService" ); |
| c.add( "authenticationService" ); |
| c.add( "authorizationService" ); |
| c.add( "defaultAuthorizationService" ); |
| c.add( "schemaService" ); |
| c.add( "subentryService" ); |
| c.add( "operationalAttributeService" ); |
| c.add( "eventService" ); |
| SEARCH_BYPASS = Collections.unmodifiableCollection( c ); |
| } |
| |
| |
| private int getImmSubCount( PartitionNexusProxy proxy, LdapDN entryName ) throws NamingException |
| { |
| int cnt = 0; |
| NamingEnumeration e = null; |
| try |
| { |
| e = proxy.search( ( LdapDN ) entryName.getPrefix( 1 ), new HashMap(), childrenFilter, childrenSearchControls, |
| SEARCH_BYPASS ); |
| |
| while ( e.hasMore() ) |
| { |
| e.next(); |
| cnt++; |
| } |
| |
| } |
| finally |
| { |
| if ( e != null ) |
| { |
| e.close(); |
| } |
| } |
| |
| return cnt; |
| } |
| |
| } |