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/*
* ============LICENSE_START=======================================================
* OOM Certification 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;
import java.io.StringReader;
import java.util.List;
import org.apache.commons.io.IOUtils;
import org.bouncycastle.cert.X509CertificateHolder;
import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openssl.PEMParser;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import org.onap.oom.certservice.certification.configuration.model.Cmpv2Server;
import org.onap.oom.certservice.certification.model.CertificateUpdateModel;
import org.onap.oom.certservice.certification.model.CertificateUpdateModel.CertificateUpdateModelBuilder;
import org.onap.oom.certservice.certification.model.CertificationModel;
import org.onap.oom.certservice.certification.model.CsrModel;
import org.onap.oom.certservice.cmpv2client.api.CmpClient;
import org.onap.oom.certservice.cmpv2client.exceptions.CmpClientException;
import org.onap.oom.certservice.cmpv2client.model.Cmpv2CertificationModel;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.security.NoSuchProviderException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Collections;
import java.util.Objects;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.when;
import static org.onap.oom.certservice.certification.TestData.TEST_CMPv2_KEYSTORE;
import static org.onap.oom.certservice.certification.TestData.TEST_CMPv2_TRUSTSTORE;
@ExtendWith(MockitoExtension.class)
class CertificationProviderTest {
private static final int EXPECTED_SIZE_ONE = 1;
@Mock
private CsrModel csrModel;
@Mock
private Cmpv2Server server;
@Mock
private CsrModel testCsrModel;
@Mock
private Cmpv2Server testServer;
@Mock
private CmpClient cmpClient;
private CertificationProvider certificationProvider;
private static final CertificateUpdateModel TEST_CERTIFICATE_UPDATE_MODEL = new CertificateUpdateModelBuilder()
.setEncodedCsr("encodedCSR")
.setEncodedPrivateKey("encodedPK")
.setEncodedOldCert("encodedOldCert")
.setEncodedOldPrivateKey("encodedOldPK")
.setCaName("TestCA")
.build();
private static final String EXPECTED_BEGIN_OF_CERTIFICATE = "-----BEGIN CERTIFICATE-----\n";
private static final String EXPECTED_END_OF_CERTIFICATE = "-----END CERTIFICATE-----\n";
@BeforeEach
public void init() {
certificationProvider = new CertificationProvider(cmpClient);
}
@Test
void shouldConvertToCertificationModelForSignCsr()
throws CertificateException, NoSuchProviderException, IOException, CmpClientException {
// When
when(
cmpClient.createCertificate(any(CsrModel.class), any(Cmpv2Server.class))
).thenReturn(createCorrectClientResponse());
CertificationModel certificationModel = certificationProvider.signCsr(csrModel, server);
// Then
InputStream certificate = getClass().getClassLoader().getResourceAsStream("certificateModelChain.first");
InputStream trustedCertificate =
getClass().getClassLoader().getResourceAsStream("trustedCertificatesModel.first");
String certificateModel = removeLineEndings(certificationModel.getCertificateChain().get(0));
String expectedCertificate =
removeLineEndings(IOUtils.toString(Objects.requireNonNull(certificate), StandardCharsets.UTF_8));
String trustedCertificateModel = removeLineEndings(certificationModel.getTrustedCertificates().get(0));
String expectedTrustedCertificate =
removeLineEndings(IOUtils.toString(Objects.requireNonNull(trustedCertificate), StandardCharsets.UTF_8));
assertThat(certificateModel).isEqualTo(expectedCertificate);
assertThat(trustedCertificateModel).isEqualTo(expectedTrustedCertificate);
}
@Test
void certificationProviderThrowCmpClientWhenCallingClientFailsForSignCsr()
throws CmpClientException {
// Given
String expectedErrorMessage = "connecting to CMP client failed";
when(
cmpClient.createCertificate(any(CsrModel.class), any(Cmpv2Server.class))
).thenThrow(new CmpClientException(expectedErrorMessage));
// When
Exception exception = assertThrows(
CmpClientException.class, () ->
certificationProvider.signCsr(testCsrModel, testServer)
);
// Then
assertThat(exception.getMessage()).isEqualTo(expectedErrorMessage);
}
@Test
void shouldCorrectConvertToCertificationModelForUpdateRequest()
throws IOException, CertificateException, CmpClientException {
// When
when(
cmpClient.updateCertificate(any(CsrModel.class), any(Cmpv2Server.class), any(CertificateUpdateModel.class))
).thenReturn(getCMPv2CertificationModel());
CertificationModel certificationModel = certificationProvider
.updateCertificate(csrModel, server, TEST_CERTIFICATE_UPDATE_MODEL);
List<String> certificateChain = certificationModel.getCertificateChain();
List<String> trustedCertificates = certificationModel.getTrustedCertificates();
assertThat(certificateChain.size()).isEqualTo(EXPECTED_SIZE_ONE);
assertThat(certificateChain.get(0)).startsWith(EXPECTED_BEGIN_OF_CERTIFICATE);
assertThat(certificateChain.get(0)).endsWith(EXPECTED_END_OF_CERTIFICATE);
assertThat(trustedCertificates.size()).isEqualTo(EXPECTED_SIZE_ONE);
assertThat(trustedCertificates.get(0)).startsWith(EXPECTED_BEGIN_OF_CERTIFICATE);
assertThat(trustedCertificates.get(0)).endsWith(EXPECTED_END_OF_CERTIFICATE);
}
@Test
void shouldCorrectConvertToCertificationModelForCertificationRequest()
throws IOException, CertificateException, CmpClientException {
when(
cmpClient.certificationRequest(any(CsrModel.class), any(Cmpv2Server.class))
).thenReturn(getCMPv2CertificationModel());
CertificationModel certificationModel = certificationProvider
.certificationRequest(csrModel, server);
List<String> certificateChain = certificationModel.getCertificateChain();
List<String> trustedCertificates = certificationModel.getTrustedCertificates();
assertThat(certificateChain.size()).isEqualTo(EXPECTED_SIZE_ONE);
assertThat(certificateChain.get(0)).startsWith(EXPECTED_BEGIN_OF_CERTIFICATE);
assertThat(certificateChain.get(0)).endsWith(EXPECTED_END_OF_CERTIFICATE);
assertThat(trustedCertificates.size()).isEqualTo(EXPECTED_SIZE_ONE);
assertThat(trustedCertificates.get(0)).startsWith(EXPECTED_BEGIN_OF_CERTIFICATE);
assertThat(trustedCertificates.get(0)).endsWith(EXPECTED_END_OF_CERTIFICATE);
}
@Test
void certificationProviderThrowCmpClientWhenCallingClientFailsForUpdateCertificate()
throws CmpClientException {
// Given
String expectedErrorMessage = "Exception occurred while send request to CMPv2 Server";
when(
cmpClient.updateCertificate(any(CsrModel.class), any(Cmpv2Server.class), any(CertificateUpdateModel.class))
).thenThrow(new CmpClientException(expectedErrorMessage));
// When
Exception exception = assertThrows(
CmpClientException.class, () ->
certificationProvider.updateCertificate(testCsrModel, testServer, TEST_CERTIFICATE_UPDATE_MODEL)
);
// Then
assertThat(exception.getMessage()).isEqualTo(expectedErrorMessage);
}
private Cmpv2CertificationModel createCorrectClientResponse()
throws CertificateException, NoSuchProviderException {
InputStream certificateChain = getClass().getClassLoader().getResourceAsStream("certificateChain.first");
InputStream trustedCertificate = getClass().getClassLoader().getResourceAsStream("trustedCertificates.first");
X509Certificate x509Certificate = new CertificateFactoryProvider().generateCertificate(certificateChain);
X509Certificate x509TrustedCertificate =
new CertificateFactoryProvider().generateCertificate(trustedCertificate);
return new Cmpv2CertificationModel(
Collections.singletonList(x509Certificate),
Collections.singletonList(x509TrustedCertificate));
}
private String removeLineEndings(String string) {
return string.replace("\n", "").replace("\r", "");
}
private Cmpv2CertificationModel getCMPv2CertificationModel() throws IOException, CertificateException {
List<X509Certificate> certificateChain = getX509CertificateFromPem(TEST_CMPv2_KEYSTORE);
List<X509Certificate> trustedCertificates = getX509CertificateFromPem(TEST_CMPv2_TRUSTSTORE);
return new Cmpv2CertificationModel(certificateChain, trustedCertificates);
}
private List<X509Certificate> getX509CertificateFromPem(String pemString) throws IOException, CertificateException {
PEMParser pemParser = new PEMParser(new StringReader(pemString));
X509CertificateHolder certHolder = (X509CertificateHolder) pemParser.readObject();
X509Certificate x509Certificate = new JcaX509CertificateConverter()
.setProvider(new BouncyCastleProvider())
.getCertificate(certHolder);
return List.of(x509Certificate);
}
}
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