| /* |
| * 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.Collection; |
| import java.util.Iterator; |
| |
| import javax.naming.NamingException; |
| import javax.naming.directory.Attribute; |
| import javax.naming.directory.Attributes; |
| |
| import org.apache.directory.server.core.ServerUtils; |
| import org.apache.directory.server.core.event.Evaluator; |
| import org.apache.directory.server.core.partition.PartitionNexusProxy; |
| import org.apache.directory.server.core.schema.AttributeTypeRegistry; |
| import org.apache.directory.server.core.schema.OidRegistry; |
| import org.apache.directory.server.core.subtree.RefinementEvaluator; |
| 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.aci.ProtectedItem.MaxValueCountItem; |
| import org.apache.directory.shared.ldap.aci.ProtectedItem.RestrictedByItem; |
| import org.apache.directory.shared.ldap.name.LdapDN; |
| import org.apache.directory.shared.ldap.schema.AttributeType; |
| import org.apache.directory.shared.ldap.util.AttributeUtils; |
| |
| |
| /** |
| * An {@link ACITupleFilter} that discards all tuples whose {@link ProtectedItem}s |
| * are not related with the operation. (18.8.3.2, X.501) |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev$, $Date$ |
| */ |
| public class RelatedProtectedItemFilter implements ACITupleFilter |
| { |
| private final RefinementEvaluator refinementEvaluator; |
| private final Evaluator entryEvaluator; |
| private final OidRegistry oidRegistry; |
| private final AttributeTypeRegistry attrRegistry; |
| |
| |
| public RelatedProtectedItemFilter( RefinementEvaluator refinementEvaluator, Evaluator entryEvaluator, |
| OidRegistry oidRegistry, AttributeTypeRegistry attrRegistry ) |
| { |
| this.refinementEvaluator = refinementEvaluator; |
| this.entryEvaluator = entryEvaluator; |
| this.oidRegistry = oidRegistry; |
| this.attrRegistry = attrRegistry; |
| } |
| |
| |
| 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 ( tuples.size() == 0 ) |
| { |
| return tuples; |
| } |
| |
| for ( Iterator i = tuples.iterator(); i.hasNext(); ) |
| { |
| ACITuple tuple = ( ACITuple ) i.next(); |
| if ( !isRelated( tuple, scope, userName, entryName, attrId, attrValue, entry ) ) |
| { |
| i.remove(); |
| } |
| } |
| |
| return tuples; |
| } |
| |
| |
| private boolean isRelated( ACITuple tuple, OperationScope scope, LdapDN userName, LdapDN entryName, String attrId, |
| Object attrValue, Attributes entry ) throws NamingException, InternalError |
| { |
| String oid = null; |
| if ( attrId != null ) |
| { |
| oid = oidRegistry.getOid( attrId ); |
| } |
| |
| for ( Iterator i = tuple.getProtectedItems().iterator(); i.hasNext(); ) |
| { |
| ProtectedItem item = ( ProtectedItem ) i.next(); |
| if ( item == ProtectedItem.ENTRY ) |
| { |
| if ( scope == OperationScope.ENTRY ) |
| { |
| return true; |
| } |
| } |
| else if ( item == ProtectedItem.ALL_USER_ATTRIBUTE_TYPES ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE && scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE ) |
| { |
| continue; |
| } |
| |
| return true; |
| } |
| else if ( item == ProtectedItem.ALL_USER_ATTRIBUTE_TYPES_AND_VALUES ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE && scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE ) |
| { |
| continue; |
| } |
| |
| return true; |
| } |
| else if ( item instanceof ProtectedItem.AllAttributeValues ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE ) |
| { |
| continue; |
| } |
| |
| ProtectedItem.AllAttributeValues aav = ( ProtectedItem.AllAttributeValues ) item; |
| for ( Iterator j = aav.iterator(); j.hasNext(); ) |
| { |
| if ( oid.equals( oidRegistry.getOid( ( String ) j.next() ) ) ) |
| { |
| return true; |
| } |
| } |
| } |
| else if ( item instanceof ProtectedItem.AttributeType ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE ) |
| { |
| continue; |
| } |
| |
| ProtectedItem.AttributeType at = ( ProtectedItem.AttributeType ) item; |
| for ( Iterator j = at.iterator(); j.hasNext(); ) |
| { |
| if ( oid.equals( oidRegistry.getOid( ( String ) j.next() ) ) ) |
| { |
| return true; |
| } |
| } |
| } |
| else if ( item instanceof ProtectedItem.AttributeValue ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE ) |
| { |
| continue; |
| } |
| |
| ProtectedItem.AttributeValue av = ( ProtectedItem.AttributeValue ) item; |
| for ( Iterator j = av.iterator(); j.hasNext(); ) |
| { |
| Attribute attr = ( Attribute ) j.next(); |
| String attrOid = oidRegistry.getOid( attr.getID() ); |
| AttributeType attrType = attrRegistry.lookup( attrOid ); |
| |
| if ( oid.equals( attrOid ) && AttributeUtils.containsValue( attr, attrValue, attrType ) ) |
| { |
| return true; |
| } |
| } |
| } |
| else if ( item instanceof ProtectedItem.Classes ) |
| { |
| ProtectedItem.Classes c = ( ProtectedItem.Classes ) item; |
| if ( refinementEvaluator.evaluate( c.getClasses(), entry.get( "objectClass" ) ) ) |
| { |
| return true; |
| } |
| } |
| else if ( item instanceof ProtectedItem.MaxImmSub ) |
| { |
| return true; |
| } |
| else if ( item instanceof ProtectedItem.MaxValueCount ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE ) |
| { |
| continue; |
| } |
| |
| ProtectedItem.MaxValueCount mvc = ( ProtectedItem.MaxValueCount ) item; |
| for ( Iterator j = mvc.iterator(); j.hasNext(); ) |
| { |
| MaxValueCountItem mvcItem = ( MaxValueCountItem ) j.next(); |
| if ( oid.equals( oidRegistry.getOid( mvcItem.getAttributeType() ) ) ) |
| { |
| return true; |
| } |
| } |
| } |
| else if ( item instanceof ProtectedItem.RangeOfValues ) |
| { |
| ProtectedItem.RangeOfValues rov = ( ProtectedItem.RangeOfValues ) item; |
| if ( entryEvaluator.evaluate( rov.getFilter(), entryName.toString(), entry ) ) |
| { |
| return true; |
| } |
| } |
| else if ( item instanceof ProtectedItem.RestrictedBy ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE ) |
| { |
| continue; |
| } |
| |
| ProtectedItem.RestrictedBy rb = ( ProtectedItem.RestrictedBy ) item; |
| for ( Iterator j = rb.iterator(); j.hasNext(); ) |
| { |
| RestrictedByItem rbItem = ( RestrictedByItem ) j.next(); |
| if ( oid.equals( oidRegistry.getOid( rbItem.getAttributeType() ) ) ) |
| { |
| return true; |
| } |
| } |
| } |
| else if ( item instanceof ProtectedItem.SelfValue ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE && scope != OperationScope.ATTRIBUTE_TYPE ) |
| { |
| continue; |
| } |
| |
| ProtectedItem.SelfValue sv = ( ProtectedItem.SelfValue ) item; |
| for ( Iterator j = sv.iterator(); j.hasNext(); ) |
| { |
| String svItem = String.valueOf( j.next() ); |
| if ( oid.equals( oidRegistry.getOid( svItem ) ) ) |
| { |
| AttributeType attrType = attrRegistry.lookup( oid ); |
| Attribute attr = ServerUtils.getAttribute( attrType, entry ); |
| if ( attr != null && ( ( attr.contains( userName.toNormName() ) || attr.contains( userName.getUpName() ) ) ) ) |
| { |
| return true; |
| } |
| } |
| } |
| } |
| else |
| { |
| throw new InternalError( "Unexpected protectedItem: " + item.getClass().getName() ); |
| } |
| } |
| |
| return false; |
| } |
| } |
