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/*
* ============LICENSE_START=======================================================
* Cert Service
* ================================================================================
* Copyright (C) 2020 Nokia. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aaf.certservice.certification.adapter;
import java.security.KeyPair;
import java.util.Arrays;
import java.util.Objects;
import java.util.Optional;
import java.util.stream.Collectors;
import org.bouncycastle.asn1.x500.style.BCStyle;
import org.bouncycastle.asn1.x500.style.IETFUtils;
import org.bouncycastle.cert.CertException;
import org.onap.aaf.certservice.certification.configuration.model.Cmpv2Server;
import org.onap.aaf.certservice.certification.model.CsrModel;
import org.onap.aaf.certservice.cmpv2client.external.CSRMeta;
import org.onap.aaf.certservice.cmpv2client.external.RDN;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
@Component
class CSRMetaBuilder {
private static final Logger LOGGER = LoggerFactory.getLogger(CSRMetaBuilder.class);
/**
* Creates CSRMeta from CsrModel and Cmpv2Server
*
* @param csrModel Certificate Signing Request from Service external API
* @param server Cmp Server configuration from cmpServers.json
* @return AAF native model for CSR metadata
*/
CSRMeta build(CsrModel csrModel, Cmpv2Server server) {
CSRMeta csrMeta = createCsrMeta(csrModel);
addSans(csrModel, csrMeta);
csrMeta.setKeyPair(new KeyPair(csrModel.getPublicKey(), csrModel.getPrivateKey()));
csrMeta.setPassword(server.getAuthentication().getIak());
csrMeta.setIssuerName(server.getIssuerDN());
csrMeta.setCaUrl(server.getUrl());
csrMeta.setName(csrModel.getSubjectData());
csrMeta.setSenderKid(server.getAuthentication().getRv());
return csrMeta;
}
private CSRMeta createCsrMeta(CsrModel csrModel) {
return new CSRMeta((Arrays.stream(csrModel.getSubjectData().getRDNs()).map(this::convertFromBcRDN)
.filter(Optional::isPresent).map(Optional::get).collect(Collectors.toList())));
}
private void addSans(CsrModel csrModel, CSRMeta csrMeta) {
csrModel.getSans().forEach(csrMeta::addSan);
}
private String convertRDNToString(org.bouncycastle.asn1.x500.RDN rdn) {
return BCStyle.INSTANCE.oidToDisplayName(rdn.getFirst().getType()) + "=" + IETFUtils.valueToString(
rdn.getFirst().getValue());
}
private Optional<RDN> convertFromBcRDN(org.bouncycastle.asn1.x500.RDN rdn) {
RDN result = null;
try {
result = new RDN(convertRDNToString(rdn));
} catch (CertException e) {
LOGGER.error("Exception occurred during convert of RDN", e);
}
return Optional.ofNullable(result);
}
}
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