| /* |
| * 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.extended.ads_impl.certGeneration; |
| |
| |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.ber.grammar.AbstractGrammar; |
| import org.apache.directory.api.asn1.ber.grammar.Grammar; |
| import org.apache.directory.api.asn1.ber.grammar.GrammarAction; |
| import org.apache.directory.api.asn1.ber.grammar.GrammarTransition; |
| import org.apache.directory.api.asn1.ber.tlv.BerValue; |
| import org.apache.directory.api.asn1.ber.tlv.UniversalTag; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.codec.api.LdapApiServiceFactory; |
| import org.apache.directory.api.ldap.model.name.Dn; |
| import org.apache.directory.api.util.Strings; |
| import org.apache.directory.shared.ldap.extras.extended.CertGenerationRequestImpl; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * This class implements the Certificate generation extended operation's ASN.1 grammer. |
| * All the actions are declared in this class. As it is a singleton, |
| * these declaration are only done once. The grammar is : |
| * |
| * <pre> |
| * CertGenerateObject ::= SEQUENCE |
| * { |
| * targetDN IA5String, |
| * issuerDN IA5String, |
| * subjectDN IA5String, |
| * keyAlgorithm IA5String |
| * } |
| * </pre> |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| |
| public class CertGenerationGrammar extends AbstractGrammar<CertGenerationContainer> |
| { |
| |
| /** logger */ |
| private static final Logger LOG = LoggerFactory.getLogger( CertGenerationGrammar.class ); |
| |
| /** Speedup for logs */ |
| static final boolean IS_DEBUG = LOG.isDebugEnabled(); |
| |
| /** The instance of grammar. CertGenerationObjectGrammar is a singleton */ |
| private static Grammar<CertGenerationContainer> instance = new CertGenerationGrammar(); |
| |
| |
| @SuppressWarnings("unchecked") |
| public CertGenerationGrammar() |
| { |
| setName( CertGenerationGrammar.class.getName() ); |
| |
| // Create the transitions table |
| super.transitions = new GrammarTransition[CertGenerationStatesEnum.LAST_CERT_GENERATION_STATE.ordinal()][256]; |
| |
| /** |
| * Transition from init state to certificate generation |
| * |
| * CertGenerationObject ::= SEQUENCE { |
| * ... |
| * |
| * Creates the CertGenerationObject object |
| */ |
| super.transitions[CertGenerationStatesEnum.START_STATE.ordinal()][UniversalTag.SEQUENCE.getValue()] = |
| new GrammarTransition<CertGenerationContainer>( |
| CertGenerationStatesEnum.START_STATE, CertGenerationStatesEnum.CERT_GENERATION_REQUEST_SEQUENCE_STATE, |
| UniversalTag.SEQUENCE.getValue(), new GrammarAction<CertGenerationContainer>( |
| "Init CertGenerationObject" ) |
| { |
| public void action( CertGenerationContainer container ) |
| { |
| CertGenerationRequestDecorator certGenerationObject = new CertGenerationRequestDecorator( |
| LdapApiServiceFactory.getSingleton(), new CertGenerationRequestImpl() ); |
| container.setCertGenerationObject( certGenerationObject ); |
| } |
| } ); |
| |
| /** |
| * Transition from certificate generation request to targetDN |
| * |
| * CertGenerationObject ::= SEQUENCE { |
| * targetDN IA5String, |
| * ... |
| * |
| * Set the targetDN value into the CertGenerationObject instance. |
| */ |
| super.transitions[CertGenerationStatesEnum.CERT_GENERATION_REQUEST_SEQUENCE_STATE.ordinal()][UniversalTag.OCTET_STRING |
| .getValue()] = |
| new GrammarTransition<CertGenerationContainer>( |
| CertGenerationStatesEnum.CERT_GENERATION_REQUEST_SEQUENCE_STATE, |
| CertGenerationStatesEnum.TARGETDN_STATE, UniversalTag.OCTET_STRING.getValue(), |
| new GrammarAction<CertGenerationContainer>( "Set Cert Generation target Dn value" ) |
| { |
| public void action( CertGenerationContainer container ) throws DecoderException |
| { |
| BerValue value = container.getCurrentTLV().getValue(); |
| |
| String targetDN = Strings.utf8ToString( value.getData() ); |
| |
| if ( IS_DEBUG ) |
| { |
| LOG.debug( "Target Dn = " + targetDN ); |
| } |
| |
| if ( ( targetDN != null ) && ( targetDN.trim().length() > 0 ) ) |
| { |
| if ( !Dn.isValid( targetDN ) ) |
| { |
| String msg = I18n.err( I18n.ERR_04032, targetDN ); |
| LOG.error( msg ); |
| throw new DecoderException( msg ); |
| } |
| |
| container.getCertGenerationObject().setTargetDN( targetDN ); |
| } |
| else |
| { |
| String msg = I18n.err( I18n.ERR_04033, Strings.dumpBytes( value.getData() ) ); |
| LOG.error( msg ); |
| throw new DecoderException( msg ); |
| } |
| } |
| } ); |
| |
| /** |
| * Transition from targetDN state to issuerDN |
| * |
| * CertGenerationObject ::= SEQUENCE { |
| * ... |
| * issuerDN IA5String, |
| * ... |
| * |
| * Set the issuerDN value into the CertGenerationObject instance. |
| */ |
| super.transitions[CertGenerationStatesEnum.TARGETDN_STATE.ordinal()][UniversalTag.OCTET_STRING.getValue()] = |
| new GrammarTransition<CertGenerationContainer>( CertGenerationStatesEnum.TARGETDN_STATE, |
| CertGenerationStatesEnum.ISSUER_STATE, UniversalTag.OCTET_STRING.getValue(), |
| new GrammarAction<CertGenerationContainer>( "Set Cert Generation issuer Dn value" ) |
| { |
| public void action( CertGenerationContainer container ) throws DecoderException |
| { |
| BerValue value = container.getCurrentTLV().getValue(); |
| |
| String issuerDN = Strings.utf8ToString( value.getData() ); |
| |
| if ( IS_DEBUG ) |
| { |
| LOG.debug( "Issuer Dn = " + issuerDN ); |
| } |
| |
| if ( ( issuerDN != null ) && ( issuerDN.trim().length() > 0 ) ) |
| { |
| if ( !Dn.isValid( issuerDN ) ) |
| { |
| String msg = I18n.err( I18n.ERR_04034, issuerDN ); |
| LOG.error( msg ); |
| throw new DecoderException( msg ); |
| } |
| |
| container.getCertGenerationObject().setIssuerDN( issuerDN ); |
| } |
| } |
| } ); |
| |
| /** |
| * Transition from issuerDN state to subjectDN |
| * |
| * CertGenerationObject ::= SEQUENCE { |
| * ... |
| * subjectDN IA5String, |
| * ... |
| * |
| * Set the subjectDN value into the CertGenerationObject instance. |
| */ |
| super.transitions[CertGenerationStatesEnum.ISSUER_STATE.ordinal()][UniversalTag.OCTET_STRING.getValue()] = |
| new GrammarTransition<CertGenerationContainer>( CertGenerationStatesEnum.ISSUER_STATE, |
| CertGenerationStatesEnum.SUBJECT_STATE, UniversalTag.OCTET_STRING.getValue(), |
| new GrammarAction<CertGenerationContainer>( "Set Cert Generation subject Dn value" ) |
| { |
| public void action( CertGenerationContainer container ) throws DecoderException |
| { |
| BerValue value = container.getCurrentTLV().getValue(); |
| |
| String subjectDN = Strings.utf8ToString( value.getData() ); |
| |
| if ( IS_DEBUG ) |
| { |
| LOG.debug( "subject Dn = " + subjectDN ); |
| } |
| |
| if ( ( subjectDN != null ) && ( subjectDN.trim().length() > 0 ) ) |
| { |
| if ( !Dn.isValid( subjectDN ) ) |
| { |
| String msg = I18n.err( I18n.ERR_04035, subjectDN ); |
| LOG.error( msg ); |
| throw new DecoderException( msg ); |
| } |
| |
| container.getCertGenerationObject().setSubjectDN( subjectDN ); |
| } |
| else |
| { |
| String msg = I18n.err( I18n.ERR_04033, Strings.dumpBytes( value.getData() ) ); |
| LOG.error( msg ); |
| throw new DecoderException( msg ); |
| } |
| } |
| } ); |
| |
| /** |
| * Transition from subjectDN state to keyAlgo |
| * |
| * CertGenerationObject ::= SEQUENCE { |
| * ... |
| * keyAlgorithm IA5String |
| * |
| * Set the key algorithm value into the CertGenerationObject instance. |
| */ |
| super.transitions[CertGenerationStatesEnum.SUBJECT_STATE.ordinal()][UniversalTag.OCTET_STRING.getValue()] = |
| new GrammarTransition<CertGenerationContainer>( CertGenerationStatesEnum.SUBJECT_STATE, |
| CertGenerationStatesEnum.KEY_ALGORITHM_STATE, |
| UniversalTag.OCTET_STRING.getValue(), |
| new GrammarAction<CertGenerationContainer>( "Set Cert Generation key algorithm value" ) |
| { |
| public void action( CertGenerationContainer container ) throws DecoderException |
| { |
| BerValue value = container.getCurrentTLV().getValue(); |
| |
| String keyAlgorithm = Strings.utf8ToString( value.getData() ); |
| |
| if ( IS_DEBUG ) |
| { |
| LOG.debug( "key algorithm = " + keyAlgorithm ); |
| } |
| |
| if ( keyAlgorithm != null && ( keyAlgorithm.trim().length() > 0 ) ) |
| { |
| container.getCertGenerationObject().setKeyAlgorithm( keyAlgorithm ); |
| } |
| |
| container.setGrammarEndAllowed( true ); |
| } |
| } ); |
| |
| } |
| |
| |
| /** |
| * This class is a singleton. |
| * |
| * @return An instance on this grammar |
| */ |
| public static Grammar<CertGenerationContainer> getInstance() |
| { |
| return instance; |
| } |
| } |
