001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 *
019 */
020 package org.apache.directory.server.core.collective;
021
022
023 import java.util.List;
024 import java.util.Set;
025
026 import javax.naming.NamingException;
027
028 import org.apache.directory.server.core.interceptor.context.OperationContext;
029 import org.apache.directory.server.core.partition.ByPassConstants;
030 import org.apache.directory.server.core.partition.PartitionNexus;
031 import org.apache.directory.server.i18n.I18n;
032 import org.apache.directory.shared.ldap.constants.SchemaConstants;
033 import org.apache.directory.shared.ldap.entry.EntryAttribute;
034 import org.apache.directory.shared.ldap.entry.Modification;
035 import org.apache.directory.shared.ldap.entry.ModificationOperation;
036 import org.apache.directory.shared.ldap.entry.ServerEntry;
037 import org.apache.directory.shared.ldap.exception.LdapException;
038 import org.apache.directory.shared.ldap.exception.LdapInvalidAttributeTypeException;
039 import org.apache.directory.shared.ldap.exception.LdapSchemaViolationException;
040 import org.apache.directory.shared.ldap.message.ResultCodeEnum;
041 import org.apache.directory.shared.ldap.name.DN;
042 import org.apache.directory.shared.ldap.schema.AttributeType;
043 import org.apache.directory.shared.ldap.schema.SchemaManager;
044 import org.apache.directory.shared.ldap.schema.SchemaUtils;
045
046
047 /**
048 * Schema checking utilities specifically for operations on collective attributes.
049 *
050 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
051 * @version $Rev:$
052 */
053 public class CollectiveAttributesSchemaChecker
054 {
055 private PartitionNexus nexus = null;
056 private SchemaManager schemaManager = null;
057
058 public CollectiveAttributesSchemaChecker( PartitionNexus nexus, SchemaManager schemaManager )
059 {
060 this.nexus = nexus;
061 this.schemaManager = schemaManager;
062 }
063
064 /* package scope*/ void checkAdd( DN normName, ServerEntry entry ) throws Exception
065 {
066 if ( entry.hasObjectClass( SchemaConstants.COLLECTIVE_ATTRIBUTE_SUBENTRY_OC ) )
067 {
068 return;
069 }
070
071 if ( containsAnyCollectiveAttributes( entry ) )
072 {
073 /*
074 * TODO: Replace the Exception and the ResultCodeEnum with the correct ones.
075 */
076 throw new LdapSchemaViolationException( ResultCodeEnum.OTHER, I18n.err( I18n.ERR_241 ) );
077 }
078 }
079
080
081 public void checkModify( OperationContext opContext, DN normName, List<Modification> mods ) throws Exception
082 {
083 ServerEntry originalEntry = opContext.lookup( normName, ByPassConstants.LOOKUP_BYPASS );
084 ServerEntry targetEntry = (ServerEntry)SchemaUtils.getTargetEntry( mods, originalEntry );
085
086 EntryAttribute targetObjectClasses = targetEntry.get( SchemaConstants.OBJECT_CLASS_AT );
087
088 if ( targetObjectClasses.contains( SchemaConstants.COLLECTIVE_ATTRIBUTE_SUBENTRY_OC ) )
089 {
090 return;
091 }
092
093 if ( addsAnyCollectiveAttributes( mods ) )
094 {
095 /*
096 * TODO: Replace the Exception and the ResultCodeEnum with the correct ones.
097 */
098 throw new LdapSchemaViolationException( ResultCodeEnum.OTHER, I18n.err( I18n.ERR_242 ));
099 }
100 }
101
102
103 private boolean addsAnyCollectiveAttributes( List<Modification> mods ) throws LdapException
104 {
105 for ( Modification mod:mods )
106 {
107 // TODO: handle http://issues.apache.org/jira/browse/DIRSERVER-1198
108 EntryAttribute attr = mod.getAttribute();
109 AttributeType attrType = attr.getAttributeType();
110
111 if ( attrType == null )
112 {
113 if ( !schemaManager.getAttributeTypeRegistry().contains( attr.getUpId() ) )
114 {
115 throw new LdapInvalidAttributeTypeException();
116 }
117 else
118 {
119 attrType = schemaManager.lookupAttributeTypeRegistry( attr.getUpId() );
120 }
121 }
122
123
124 ModificationOperation modOp = mod.getOperation();
125
126 if ( ( ( modOp == ModificationOperation.ADD_ATTRIBUTE ) || ( modOp == ModificationOperation.REPLACE_ATTRIBUTE ) ) &&
127 attrType.isCollective() )
128 {
129 return true;
130 }
131 }
132
133 return false;
134 }
135
136
137 private boolean containsAnyCollectiveAttributes( ServerEntry entry ) throws NamingException
138 {
139 Set<AttributeType> attributeTypes = entry.getAttributeTypes();
140
141 for ( AttributeType attributeType:attributeTypes )
142 {
143 if ( attributeType.isCollective() )
144 {
145 return true;
146 }
147 }
148
149 return false;
150 }
151 }