| /* |
| * 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 |
| * |
| * https://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.api.ldap.model.ldif.anonymizer; |
| |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.model.entry.Attribute; |
| import org.apache.directory.api.ldap.model.entry.DefaultAttribute; |
| import org.apache.directory.api.ldap.model.entry.Value; |
| import org.apache.directory.api.ldap.model.exception.LdapInvalidAttributeValueException; |
| |
| |
| /** |
| * A default anonymizer for attributes that are not HR |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class BinaryAnonymizer extends AbstractAnonymizer<byte[]> |
| { |
| /** The latest anonymized byte[] value map */ |
| protected Map<Integer, byte[]> latestBytesMap = new HashMap<>(); |
| |
| /** |
| * Creates a new instance of BinaryAnonymizer. |
| */ |
| public BinaryAnonymizer() |
| { |
| latestBytesMap = new HashMap<>(); |
| } |
| |
| |
| /** |
| * Creates a new instance of BinaryAnonymizer. |
| * |
| * @param latestBytesMap The map containing the latest value for each length |
| */ |
| public BinaryAnonymizer( Map<Integer, byte[]> latestBytesMap ) |
| { |
| if ( latestBytesMap == null ) |
| { |
| this.latestBytesMap = new HashMap<>(); |
| } |
| else |
| { |
| this.latestBytesMap = latestBytesMap; |
| } |
| } |
| |
| /** |
| * Anonymize an attribute using pure random values (either chars of bytes, depending on the Attribute type) |
| */ |
| @Override |
| public Attribute anonymize( Map<Value, Value> valueMap, Set<Value> valueSet, Attribute attribute ) |
| { |
| Attribute result = new DefaultAttribute( attribute.getAttributeType() ); |
| |
| for ( Value value : attribute ) |
| { |
| byte[] bytesValue = value.getBytes(); |
| byte[] newValue = computeNewValue( bytesValue ); |
| |
| try |
| { |
| result.add( newValue ); |
| Value anonValue = new Value( attribute.getAttributeType(), newValue ); |
| valueMap.put( ( Value ) value, anonValue ); |
| valueSet.add( anonValue ); |
| } |
| catch ( LdapInvalidAttributeValueException e ) |
| { |
| throw new RuntimeException( I18n.err( I18n.ERR_13436_ERROR_ANONYMIZING_VALUE, value ) ); |
| } |
| } |
| |
| return result; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public Map<Integer, byte[]> getLatestBytesMap() |
| { |
| return latestBytesMap; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void setLatestBytesMap( Map<Integer, byte[]> latestBytesMap ) |
| { |
| this.latestBytesMap = latestBytesMap; |
| } |
| } |