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/*
* ============LICENSE_START=======================================================
* Cert Service
* ================================================================================
* Copyright (C) 2020-2021 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.oom.certservice.certification.conversion;
import org.bouncycastle.pkcs.PKCS10CertificationRequest;
import org.bouncycastle.util.io.pem.PemObject;
import org.onap.oom.certservice.certification.exception.CsrDecryptionException;
import org.onap.oom.certservice.certification.exception.DecryptionException;
import org.onap.oom.certservice.certification.exception.KeyDecryptionException;
import org.onap.oom.certservice.certification.model.CsrModel;
import org.springframework.stereotype.Service;
@Service
public class CsrModelFactory {
private final PemObjectFactory pemObjectFactory
= new PemObjectFactory();
private final Pkcs10CertificationRequestFactory certificationRequestFactory
= new Pkcs10CertificationRequestFactory();
public CsrModel createCsrModel(StringBase64 csr, StringBase64 privateKey)
throws DecryptionException {
PKCS10CertificationRequest decodedCsr = decodeCsr(csr);
PemObject decodedPrivateKey = decodePrivateKey(privateKey);
return new CsrModel.CsrModelBuilder(decodedCsr, decodedPrivateKey).build();
}
private PemObject decodePrivateKey(StringBase64 privateKey)
throws KeyDecryptionException {
return privateKey.asString()
.flatMap(pemObjectFactory::createPemObject)
.orElseThrow(
() -> new KeyDecryptionException("Incorrect Key, decryption failed")
);
}
private PKCS10CertificationRequest decodeCsr(StringBase64 csr)
throws CsrDecryptionException {
return csr.asString()
.flatMap(pemObjectFactory::createPemObject)
.flatMap(certificationRequestFactory::createPkcs10CertificationRequest)
.orElseThrow(
() -> new CsrDecryptionException("Incorrect CSR, decryption failed")
);
}
}
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