| /* |
| * 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.authn; |
| |
| |
| import java.nio.charset.StandardCharsets; |
| import java.util.Base64; |
| |
| import org.apache.directory.api.ldap.model.constants.SchemaConstants; |
| import org.apache.directory.api.util.Strings; |
| |
| |
| /** |
| * A class to hold the data of historical passwords of a entry. |
| * Note: This class's natural ordering is inconsistent with the equals() method |
| * hence it is advised not to use this in any implementations of sorted sets |
| * Instead use Collections.sort() to sort the collection of PasswordHistory objects. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev$, $Date$ |
| */ |
| public class PasswordHistory implements Comparable<PasswordHistory> |
| { |
| /** time when password was last changed */ |
| private String time; |
| |
| /** the syntax OID that is to be used on the password data */ |
| private String syntaxOID = SchemaConstants.OCTET_STRING_SYNTAX; |
| |
| /** the length of the password data */ |
| private int length; |
| |
| /** password octet string */ |
| private String data; |
| |
| private static final char DELIMITER = '#'; |
| |
| |
| /** |
| * Create a new instance of PasswordHistory |
| * |
| * @param pwdHistoryVal The history date |
| */ |
| public PasswordHistory( String pwdHistoryVal ) |
| { |
| int pos = pwdHistoryVal.indexOf( DELIMITER ); |
| time = pwdHistoryVal.substring( 0, pos ); |
| |
| pos++; |
| int nextPos = pwdHistoryVal.indexOf( DELIMITER, pos ); |
| syntaxOID = pwdHistoryVal.substring( pos, nextPos ); |
| |
| nextPos++; |
| pos = pwdHistoryVal.indexOf( DELIMITER, nextPos ); |
| length = Integer.parseInt( pwdHistoryVal.substring( nextPos, pos ) ); |
| |
| data = pwdHistoryVal.substring( pos + 1 ); |
| } |
| |
| |
| /** |
| * Create a new instance of PasswordHistory |
| * |
| * @param time The time we changed the password |
| * @param password The password to store |
| */ |
| public PasswordHistory( String time, byte[] password ) |
| { |
| this.time = time; |
| this.data = new String( Base64.getEncoder().encode( password ), StandardCharsets.UTF_8 ); |
| this.length = data.length(); |
| } |
| |
| |
| public byte[] getHistoryValue() |
| { |
| StringBuilder sb = new StringBuilder(); |
| |
| sb.append( time ).append( DELIMITER ); |
| |
| sb.append( syntaxOID ).append( DELIMITER ); |
| |
| sb.append( length ).append( DELIMITER ); |
| |
| sb.append( data ); |
| |
| return Strings.getBytesUtf8( sb.toString() ); |
| } |
| |
| |
| public String getTime() |
| { |
| return time; |
| } |
| |
| |
| public String getSyntaxOID() |
| { |
| return syntaxOID; |
| } |
| |
| |
| public int getLength() |
| { |
| return length; |
| } |
| |
| |
| public byte[] getPassword() |
| { |
| return Base64.getDecoder().decode( data ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public int compareTo( PasswordHistory o ) |
| { |
| return o.getTime().compareTo( time ); |
| } |
| |
| |
| /** |
| * @see Object#toString() |
| */ |
| @Override |
| public boolean equals( Object o ) |
| { |
| if ( !( o instanceof PasswordHistory ) ) |
| { |
| return false; |
| } |
| |
| PasswordHistory other = ( PasswordHistory ) o; |
| |
| return getTime().equals( other.getTime() ) && data.equals( other.data ); |
| } |
| |
| |
| @Override |
| public int hashCode() |
| { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ( ( data == null ) ? 0 : data.hashCode() ); |
| result = prime * result + length; |
| result = prime * result + ( ( syntaxOID == null ) ? 0 : syntaxOID.hashCode() ); |
| result = prime * result + ( ( time == null ) ? 0 : time.hashCode() ); |
| return result; |
| } |
| |
| |
| @Override |
| public String toString() |
| { |
| return "PasswordHistory [time=" + time + ", syntaxOID=" + syntaxOID + ", length=" + length + ", data=" + data |
| + "]"; |
| } |
| } |