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 021package org.apache.directory.api.ldap.model.ldif.anonymizer; 022 023 024import java.util.HashMap; 025import java.util.Map; 026import java.util.Set; 027 028import org.apache.directory.api.ldap.model.entry.Attribute; 029import org.apache.directory.api.ldap.model.entry.DefaultAttribute; 030import org.apache.directory.api.ldap.model.entry.StringValue; 031import org.apache.directory.api.ldap.model.entry.Value; 032import org.apache.directory.api.ldap.model.exception.LdapInvalidAttributeValueException; 033import org.apache.directory.api.ldap.model.schema.AttributeType; 034 035 036/** 037 * A default anonymizer for attributes that are HR. It covers DirectoryString, Ia5String, ... 038 * 039 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 040 */ 041public class CaseSensitiveStringAnonymizer extends AbstractAnonymizer<String> 042{ 043 /** The latest anonymized String value map */ 044 private Map<Integer, String> latestStringMap; 045 046 /** 047 * Creates a new instance of StringAnonymizer. 048 */ 049 public CaseSensitiveStringAnonymizer() 050 { 051 latestStringMap = new HashMap<>(); 052 caseSensitive = true; 053 } 054 055 056 /** 057 * Creates a new instance of StringAnonymizer. 058 * 059 * @param latestStringMap The map containing the latest value for each length 060 */ 061 public CaseSensitiveStringAnonymizer( Map<Integer, String> latestStringMap ) 062 { 063 if ( latestStringMap == null ) 064 { 065 this.latestStringMap = new HashMap<>(); 066 } 067 else 068 { 069 this.latestStringMap = latestStringMap; 070 } 071 072 caseSensitive = true; 073 } 074 075 076 /** 077 * Anonymize an attribute using pure random values (either chars of bytes, depending on the Attribute type) 078 */ 079 @Override 080 public Attribute anonymize( Map<Value<String>, Value<String>> valueMap, Set<Value<String>> valueSet, Attribute attribute ) 081 { 082 AttributeType attributeType = attribute.getAttributeType(); 083 Attribute result = new DefaultAttribute( attributeType ); 084 085 for ( Value<?> value : attribute ) 086 { 087 if ( value instanceof StringValue ) 088 { 089 Value<String> anonymized = valueMap.get( value ); 090 091 if ( anonymized != null ) 092 { 093 try 094 { 095 result.add( anonymized ); 096 } 097 catch ( LdapInvalidAttributeValueException e ) 098 { 099 // TODO : handle that 100 } 101 } 102 else 103 { 104 String strValue = value.getNormValue().toString(); 105 String newValue = computeNewValue( strValue ); 106 107 try 108 { 109 result.add( newValue ); 110 Value<String> anonValue = new StringValue( attribute.getAttributeType(), newValue ); 111 valueMap.put( ( Value<String> ) value, anonValue ); 112 valueSet.add( anonValue ); 113 } 114 catch ( LdapInvalidAttributeValueException e ) 115 { 116 throw new RuntimeException( "Error while anonymizing the value" + strValue ); 117 } 118 } 119 } 120 } 121 122 return result; 123 } 124 125 126 /** 127 * {@inheritDoc} 128 */ 129 @Override 130 public Map<Integer, String> getLatestStringMap() 131 { 132 return latestStringMap; 133 } 134 135 136 /** 137 * {@inheritDoc} 138 */ 139 @Override 140 public void setLatestStringMap( Map<Integer, String> latestStringMap ) 141 { 142 this.latestStringMap = latestStringMap; 143 } 144}