| /* |
| * 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 org.apache.directory.api.ldap.aci.ACITuple; |
| import org.apache.directory.api.ldap.aci.ProtectedItem; |
| import org.apache.directory.api.ldap.aci.protectedItem.AllAttributeValuesItem; |
| import org.apache.directory.api.ldap.aci.protectedItem.AttributeTypeItem; |
| import org.apache.directory.api.ldap.aci.protectedItem.AttributeValueItem; |
| import org.apache.directory.api.ldap.aci.protectedItem.ClassesItem; |
| import org.apache.directory.api.ldap.aci.protectedItem.MaxImmSubItem; |
| import org.apache.directory.api.ldap.aci.protectedItem.MaxValueCountElem; |
| import org.apache.directory.api.ldap.aci.protectedItem.MaxValueCountItem; |
| import org.apache.directory.api.ldap.aci.protectedItem.RangeOfValuesItem; |
| import org.apache.directory.api.ldap.aci.protectedItem.RestrictedByElem; |
| import org.apache.directory.api.ldap.aci.protectedItem.RestrictedByItem; |
| import org.apache.directory.api.ldap.aci.protectedItem.SelfValueItem; |
| import org.apache.directory.api.ldap.model.constants.SchemaConstants; |
| import org.apache.directory.api.ldap.model.entry.Attribute; |
| import org.apache.directory.api.ldap.model.entry.Entry; |
| import org.apache.directory.api.ldap.model.entry.Value; |
| import org.apache.directory.api.ldap.model.exception.LdapException; |
| import org.apache.directory.api.ldap.model.name.Dn; |
| import org.apache.directory.api.ldap.model.schema.AttributeType; |
| import org.apache.directory.api.ldap.model.schema.SchemaManager; |
| import org.apache.directory.server.core.api.event.Evaluator; |
| import org.apache.directory.server.core.api.subtree.RefinementEvaluator; |
| import org.apache.directory.server.i18n.I18n; |
| |
| |
| /** |
| * 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> |
| */ |
| public class RelatedProtectedItemFilter implements ACITupleFilter |
| { |
| private final RefinementEvaluator refinementEvaluator; |
| private final Evaluator entryEvaluator; |
| private final SchemaManager schemaManager; |
| |
| |
| public RelatedProtectedItemFilter( RefinementEvaluator refinementEvaluator, Evaluator entryEvaluator, |
| SchemaManager schemaManager ) |
| { |
| this.refinementEvaluator = refinementEvaluator; |
| this.entryEvaluator = entryEvaluator; |
| this.schemaManager = schemaManager; |
| } |
| |
| |
| public Collection<ACITuple> filter( AciContext aciContext, OperationScope scope, Entry userEntry ) |
| throws LdapException |
| { |
| if ( aciContext.getAciTuples().size() == 0 ) |
| { |
| return aciContext.getAciTuples(); |
| } |
| |
| for ( Iterator<ACITuple> i = aciContext.getAciTuples().iterator(); i.hasNext(); ) |
| { |
| ACITuple tuple = i.next(); |
| |
| if ( !isRelated( tuple, scope, aciContext.getUserDn(), aciContext.getEntryDn(), |
| aciContext.getAttributeType(), aciContext.getAttrValue(), aciContext.getEntry() ) ) |
| { |
| i.remove(); |
| } |
| } |
| |
| return aciContext.getAciTuples(); |
| } |
| |
| |
| private boolean isRelated( ACITuple tuple, OperationScope scope, Dn userName, Dn entryName, |
| AttributeType attributeType, |
| Value<?> attrValue, Entry entry ) throws LdapException, InternalError |
| { |
| String oid = null; |
| |
| if ( attributeType != null ) |
| { |
| oid = attributeType.getOid(); |
| } |
| |
| for ( ProtectedItem item : tuple.getProtectedItems() ) |
| { |
| if ( item == ProtectedItem.ENTRY ) |
| { |
| if ( scope != OperationScope.ENTRY ) |
| { |
| continue; |
| } |
| |
| 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 AllAttributeValuesItem ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE ) |
| { |
| continue; |
| } |
| |
| AllAttributeValuesItem aav = ( AllAttributeValuesItem ) item; |
| |
| for ( Iterator<AttributeType> iterator = aav.iterator(); iterator.hasNext(); ) |
| { |
| AttributeType attr = iterator.next(); |
| |
| if ( oid.equals( attr.getOid() ) ) |
| { |
| return true; |
| } |
| } |
| } |
| else if ( item instanceof AttributeTypeItem ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE ) |
| { |
| continue; |
| } |
| |
| AttributeTypeItem at = ( AttributeTypeItem ) item; |
| |
| for ( Iterator<AttributeType> iterator = at.iterator(); iterator.hasNext(); ) |
| { |
| AttributeType attr = iterator.next(); |
| |
| if ( oid.equals( attr.getOid() ) ) |
| { |
| return true; |
| } |
| } |
| } |
| else if ( item instanceof AttributeValueItem ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE ) |
| { |
| continue; |
| } |
| |
| AttributeValueItem av = ( AttributeValueItem ) item; |
| |
| for ( Iterator<Attribute> j = av.iterator(); j.hasNext(); ) |
| { |
| Attribute entryAttribute = j.next(); |
| |
| AttributeType attr = entryAttribute.getAttributeType(); |
| String attrOid = null; |
| |
| if ( attr != null ) |
| { |
| attrOid = entryAttribute.getAttributeType().getOid(); |
| } |
| else |
| { |
| attr = schemaManager.lookupAttributeTypeRegistry( entryAttribute.getId() ); |
| attrOid = attr.getOid(); |
| entryAttribute.apply( attr ); |
| } |
| |
| if ( oid.equals( attrOid ) && entryAttribute.contains( attrValue ) ) |
| { |
| return true; |
| } |
| } |
| } |
| else if ( item instanceof ClassesItem ) |
| { |
| ClassesItem refinement = ( ClassesItem ) item; |
| |
| if ( refinementEvaluator |
| .evaluate( refinement.getClasses(), entry.get( SchemaConstants.OBJECT_CLASS_AT ) ) ) |
| { |
| return true; |
| } |
| } |
| else if ( item instanceof MaxImmSubItem ) |
| { |
| return true; |
| } |
| else if ( item instanceof MaxValueCountItem ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE ) |
| { |
| continue; |
| } |
| |
| MaxValueCountItem mvc = ( MaxValueCountItem ) item; |
| |
| for ( Iterator<MaxValueCountElem> j = mvc.iterator(); j.hasNext(); ) |
| { |
| MaxValueCountElem mvcItem = j.next(); |
| |
| if ( oid.equals( mvcItem.getAttributeType().getOid() ) ) |
| { |
| return true; |
| } |
| } |
| } |
| else if ( item instanceof RangeOfValuesItem ) |
| { |
| RangeOfValuesItem rov = ( RangeOfValuesItem ) item; |
| |
| if ( entryEvaluator.evaluate( rov.getRefinement(), entryName, entry ) ) |
| { |
| return true; |
| } |
| } |
| else if ( item instanceof RestrictedByItem ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE ) |
| { |
| continue; |
| } |
| |
| RestrictedByItem rb = ( RestrictedByItem ) item; |
| |
| for ( Iterator<RestrictedByElem> j = rb.iterator(); j.hasNext(); ) |
| { |
| RestrictedByElem rbItem = j.next(); |
| |
| if ( oid.equals( rbItem.getAttributeType().getOid() ) ) |
| { |
| return true; |
| } |
| } |
| } |
| else if ( item instanceof SelfValueItem ) |
| { |
| if ( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE && scope != OperationScope.ATTRIBUTE_TYPE ) |
| { |
| continue; |
| } |
| |
| SelfValueItem sv = ( SelfValueItem ) item; |
| |
| for ( Iterator<AttributeType> iterator = sv.iterator(); iterator.hasNext(); ) |
| { |
| AttributeType attr = iterator.next(); |
| |
| if ( oid.equals( attr.getOid() ) ) |
| { |
| Attribute entryAttribute = entry.get( oid ); |
| |
| if ( ( entryAttribute != null ) && |
| ( ( entryAttribute.contains( userName.getNormName() ) || |
| ( entryAttribute.contains( userName.getName() ) ) ) ) ) |
| { |
| return true; |
| } |
| } |
| } |
| } |
| else |
| { |
| throw new InternalError( I18n.err( I18n.ERR_232, item.getClass().getName() ) ); |
| } |
| } |
| |
| return false; |
| } |
| } |
