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/*
* ============LICENSE_START=======================================================
* Cert Service
* ================================================================================
* Copyright (C) 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;
import java.io.IOException;
import java.io.StringReader;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Optional;
import org.bouncycastle.cert.X509CertificateHolder;
import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openssl.PEMParser;
import org.onap.oom.certservice.certification.exception.StringToCertificateConversionException;
import org.springframework.stereotype.Service;
@Service
public class PemStringToCertificateConverter {
public X509Certificate convert(String certificatePemString) throws StringToCertificateConversionException {
try (PEMParser pemParser = new PEMParser(new StringReader(certificatePemString))) {
X509CertificateHolder certHolder = Optional.ofNullable((X509CertificateHolder) pemParser.readObject())
.orElseThrow(
() -> new StringToCertificateConversionException("The certificate could not be converted correctly."));
return new JcaX509CertificateConverter()
.setProvider(new BouncyCastleProvider())
.getCertificate(certHolder);
} catch (IOException | CertificateException e) {
throw new StringToCertificateConversionException("Exception occurred during certificate conversion.", e);
}
}
}
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