| /* |
| * 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.api.ldap.extras.controls.ppolicy_impl; |
| |
| |
| import java.nio.ByteBuffer; |
| |
| import org.apache.directory.api.asn1.Asn1Object; |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.EncoderException; |
| import org.apache.directory.api.asn1.ber.Asn1Decoder; |
| import org.apache.directory.api.asn1.ber.tlv.BerValue; |
| import org.apache.directory.api.asn1.ber.tlv.TLV; |
| import org.apache.directory.api.asn1.ber.tlv.UniversalTag; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.codec.api.ControlDecorator; |
| import org.apache.directory.api.ldap.codec.api.LdapApiService; |
| import org.apache.directory.api.ldap.extras.controls.ppolicy.PasswordPolicy; |
| import org.apache.directory.api.ldap.extras.controls.ppolicy.PasswordPolicyImpl; |
| import org.apache.directory.api.ldap.extras.controls.ppolicy.PasswordPolicyResponse; |
| |
| |
| /** |
| * PasswordPolicy decorator. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class PasswordPolicyDecorator extends ControlDecorator<PasswordPolicy> implements PasswordPolicy |
| { |
| /** An instance of this decoder */ |
| private static final Asn1Decoder DECODER = new Asn1Decoder(); |
| |
| // Storage for computed lengths |
| private int ppolicySeqLength = 0; |
| private int warningLength = 0; |
| |
| |
| public PasswordPolicyDecorator( LdapApiService codec ) |
| { |
| super( codec, new PasswordPolicyImpl() ); |
| } |
| |
| |
| public PasswordPolicyDecorator( LdapApiService codec, boolean hasResponse ) |
| { |
| super( codec, new PasswordPolicyImpl( hasResponse ) ); |
| } |
| |
| |
| public PasswordPolicyDecorator( LdapApiService codec, PasswordPolicy policy ) |
| { |
| super( codec, policy ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void setValue( byte[] value ) |
| { |
| if ( ( value == null ) || ( value.length <= 2 ) ) |
| { |
| setResponse( null ); |
| } |
| else if ( !hasResponse() ) |
| { |
| setResponse( true ); |
| } |
| |
| super.setValue( value ); |
| } |
| |
| |
| @Override |
| public int computeLength() |
| { |
| // reset the length values |
| valueLength = 0; |
| ppolicySeqLength = 0; |
| warningLength = 0; |
| |
| if ( !hasResponse() ) |
| { |
| return 0; |
| } |
| |
| if ( getResponse().getTimeBeforeExpiration() >= 0 ) |
| { |
| int timeBeforeExpirationValueLength = BerValue.getNbBytes( getResponse().getTimeBeforeExpiration() ); |
| warningLength = 1 + TLV.getNbBytes( timeBeforeExpirationValueLength ) + timeBeforeExpirationValueLength; |
| } |
| else if ( getResponse().getGraceAuthNRemaining() >= 0 ) |
| { |
| int graceAuthNsRemainingValueLength = BerValue.getNbBytes( getResponse().getGraceAuthNRemaining() ); |
| warningLength = 1 + TLV.getNbBytes( graceAuthNsRemainingValueLength ) + graceAuthNsRemainingValueLength; |
| } |
| |
| if ( warningLength != 0 ) |
| { |
| ppolicySeqLength = 1 + TLV.getNbBytes( warningLength ) + warningLength; |
| } |
| |
| if ( getResponse().getPasswordPolicyError() != null ) |
| { |
| ppolicySeqLength += 1 + 1 + 1; |
| } |
| |
| valueLength = 1 + TLV.getNbBytes( ppolicySeqLength ) + ppolicySeqLength; |
| |
| return valueLength; |
| } |
| |
| |
| @Override |
| public ByteBuffer encode( ByteBuffer buffer ) throws EncoderException |
| { |
| if ( !hasResponse() ) |
| { |
| return buffer; |
| } |
| |
| if ( buffer == null ) |
| { |
| throw new EncoderException( I18n.err( I18n.ERR_04023 ) ); |
| } |
| |
| // Encode the Sequence tag |
| buffer.put( UniversalTag.SEQUENCE.getValue() ); |
| buffer.put( TLV.getBytes( ppolicySeqLength ) ); |
| |
| if ( ( getResponse().getTimeBeforeExpiration() < 0 ) && ( getResponse().getGraceAuthNRemaining() < 0 ) && ( |
| getResponse().getPasswordPolicyError() == null ) ) |
| { |
| return buffer; |
| } |
| else |
| { |
| if ( warningLength > 0 ) |
| { |
| // Encode the Warning tag |
| buffer.put( ( byte ) PasswordPolicyTags.PPOLICY_WARNING_TAG.getValue() ); |
| buffer.put( TLV.getBytes( warningLength ) ); |
| |
| if ( getResponse().getTimeBeforeExpiration() >= 0 ) |
| { |
| BerValue.encode( |
| buffer, |
| ( byte ) PasswordPolicyTags.TIME_BEFORE_EXPIRATION_TAG.getValue(), |
| getResponse().getTimeBeforeExpiration() ); |
| } |
| else if ( getResponse().getGraceAuthNRemaining() >= 0 ) |
| { |
| BerValue.encode( |
| buffer, |
| ( byte ) PasswordPolicyTags.GRACE_AUTHNS_REMAINING_TAG.getValue(), |
| getResponse().getGraceAuthNRemaining() ); |
| } |
| } |
| |
| if ( getResponse().getPasswordPolicyError() != null ) |
| { |
| BerValue.encode( |
| buffer, |
| ( byte ) PasswordPolicyTags.PPOLICY_ERROR_TAG.getValue(), |
| getResponse().getPasswordPolicyError().getValue() ); |
| } |
| } |
| |
| return buffer; |
| } |
| |
| |
| @Override |
| public String toString() |
| { |
| StringBuilder sb = new StringBuilder(); |
| |
| sb.append( " PasswordPolicyResponse control :\n" ); |
| sb.append( " oid : '" ).append( getOid() ).append( '\n' ); |
| |
| if ( hasResponse() && getResponse().getTimeBeforeExpiration() >= 0 ) |
| { |
| sb.append( " timeBeforeExpiration : '" ).append( getResponse().getTimeBeforeExpiration() ) |
| .append( '\n' ); |
| } |
| else if ( hasResponse() && getResponse().getGraceAuthNRemaining() >= 0 ) |
| { |
| sb.append( " graceAuthNsRemaining : '" ).append( getResponse().getGraceAuthNRemaining() ) |
| .append( '\n' ); |
| } |
| |
| if ( hasResponse() && getResponse().getPasswordPolicyError() != null ) |
| { |
| sb.append( " ppolicyError : '" ).append( getResponse().getPasswordPolicyError().toString() ) |
| .append( '\n' ); |
| } |
| |
| return sb.toString(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Asn1Object decode( byte[] controlBytes ) throws DecoderException |
| { |
| if ( !hasResponse() ) |
| { |
| return this; |
| } |
| |
| ByteBuffer bb = ByteBuffer.wrap( controlBytes ); |
| PasswordPolicyContainer container = new PasswordPolicyContainer( getCodecService(), this ); |
| DECODER.decode( bb, container ); |
| return this; |
| } |
| |
| |
| /** |
| * |
| * {@inheritDoc} |
| */ |
| public boolean hasResponse() |
| { |
| return getDecorated().hasResponse(); |
| } |
| |
| |
| /** |
| * |
| * {@inheritDoc} |
| */ |
| public void setResponse( PasswordPolicyResponse response ) |
| { |
| getDecorated().setResponse( response ); |
| } |
| |
| |
| /** |
| * |
| * {@inheritDoc} |
| */ |
| public PasswordPolicyResponse setResponse( boolean hasResponse ) |
| { |
| return getDecorated().setResponse( hasResponse ); |
| } |
| |
| |
| /** |
| * |
| * {@inheritDoc} |
| */ |
| public PasswordPolicyResponse getResponse() |
| { |
| return getDecorated().getResponse(); |
| } |
| } |