[OOM-CERT-SERVICE] Add update endpoint

- Add endpoint with old cert and old PK parameters
for KUR/CR requests

Issue-ID: OOM-2753
Signed-off-by: Piotr Marcinkiewicz <piotr.marcinkiewicz@nokia.com>
Change-Id: I094ce1a39a11bbb94f94e0b13ca7ff71eb99dd30

4 files changed, 195 insertions, 7 deletions

diff --git a/certService/src/main/java/org/onap/oom/certservice/api/CertificationController.java b/certService/src/main/java/org/onap/oom/certservice/api/CertificationController.java
index fd35ec8e..a0972d59 100644
--- a/certService/src/main/java/org/onap/oom/certservice/api/CertificationController.java
+++ b/certService/src/main/java/org/onap/oom/certservice/api/CertificationController.java
@@ -27,6 +27,7 @@ import io.swagger.v3.oas.annotations.media.Schema;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import org.onap.oom.certservice.certification.model.CertificateUpdateModel;
 import org.onap.oom.certservice.certification.CertificationModelFactory;
 import org.onap.oom.certservice.certification.exception.DecryptionException;
 import org.onap.oom.certservice.certification.exception.ErrorResponseModel;
@@ -86,11 +87,46 @@ public class CertificationController {
             @Parameter(description = "Private key in form of PEM object encoded in Base64 (with header and footer).")
             @RequestHeader("PK") String encodedPrivateKey
     ) throws DecryptionException, CmpClientException {
-        caName = caName.replaceAll("[\n\r\t]", "_");
+        caName = replaceWhiteSpaceChars(caName);
         LOGGER.info("Received certificate signing request for CA named: {}", caName);
         CertificationModel certificationModel = certificationModelFactory
                 .createCertificationModel(encodedCsr, encodedPrivateKey, caName);
         return new ResponseEntity<>(certificationModel, HttpStatus.OK);
     }
 
+    /**
+     * Request for updating certificate by given CA.
+     *
+     * @param caName                the name of Certification Authority that will sign root certificate
+     * @param encodedCsr            Certificate Sign Request encoded in Base64 form
+     * @param encodedPrivateKey     Private key for CSR, needed for PoP, encoded in Base64 form
+     * @param encodedOldCert        Certificate (signed by Certification Authority) that should be renewed
+     * @param encodedOldPrivateKey  Old private key corresponding with old certificate
+     * @return JSON containing trusted certificates and certificate chain
+     */
+    @GetMapping(value = "v1/certificate-update/{caName}", produces = "application/json")
+    public ResponseEntity<CertificationModel> updateCertificate(
+            @PathVariable String caName,
+            @RequestHeader("CSR") String encodedCsr,
+            @RequestHeader("PK") String encodedPrivateKey,
+            @RequestHeader("OLD_CERT") String encodedOldCert,
+            @RequestHeader("OLD_PK") String encodedOldPrivateKey
+    ) {
+        caName = replaceWhiteSpaceChars(caName);
+        LOGGER.info("Received certificate update request for CA named: {}", caName);
+        CertificateUpdateModel certificateUpdateModel = new CertificateUpdateModel.CertificateUpdateModelBuilder()
+                .setEncodedCsr(encodedCsr)
+                .setEncodedPrivateKey(encodedPrivateKey)
+                .setEncodedOldCert(encodedOldCert)
+                .setEncodedOldPrivateKey(encodedOldPrivateKey)
+                .setCaName(caName)
+                .build();
+        CertificationModel certificationModel = certificationModelFactory
+                .createCertificationModel(certificateUpdateModel);
+        return new ResponseEntity<>(certificationModel, HttpStatus.OK);
+    }
+
+    private String replaceWhiteSpaceChars(String text) {
+        return text.replaceAll("[\n\r\t]", "_");
+    }
 }
diff --git a/certService/src/main/java/org/onap/oom/certservice/certification/CertificationModelFactory.java b/certService/src/main/java/org/onap/oom/certservice/certification/CertificationModelFactory.java
index 23440ac5..94332f2d 100644
--- a/certService/src/main/java/org/onap/oom/certservice/certification/CertificationModelFactory.java
+++ b/certService/src/main/java/org/onap/oom/certservice/certification/CertificationModelFactory.java
@@ -23,6 +23,7 @@ package org.onap.oom.certservice.certification;
 import org.onap.oom.certservice.certification.configuration.Cmpv2ServerProvider;
 import org.onap.oom.certservice.certification.configuration.model.Cmpv2Server;
 import org.onap.oom.certservice.certification.exception.DecryptionException;
+import org.onap.oom.certservice.certification.model.CertificateUpdateModel;
 import org.onap.oom.certservice.certification.model.CertificationModel;
 import org.onap.oom.certservice.certification.model.CsrModel;
 import org.onap.oom.certservice.cmpv2client.exceptions.CmpClientException;
@@ -67,4 +68,10 @@ public class CertificationModelFactory {
         return certificationProvider.signCsr(csrModel, cmpv2Server);
     }
 
+    public CertificationModel createCertificationModel(CertificateUpdateModel certificateUpdateModel) {
+        LOGGER.info("CSR: " + certificateUpdateModel.getEncodedCsr() +
+                ", old cert: " + certificateUpdateModel.getEncodedOldCert() +
+                ", CA: " + certificateUpdateModel.getCaName());
+        throw new UnsupportedOperationException("TODO: it will be delivered in the next MR");
+    }
 }
diff --git a/certService/src/main/java/org/onap/oom/certservice/certification/model/CertificateUpdateModel.java b/certService/src/main/java/org/onap/oom/certservice/certification/model/CertificateUpdateModel.java
new file mode 100644
index 00000000..699ffe71
--- /dev/null
+++ b/certService/src/main/java/org/onap/oom/certservice/certification/model/CertificateUpdateModel.java
@@ -0,0 +1,116 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nokia.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.oom.certservice.certification.model;
+
+import java.util.Objects;
+
+public final class CertificateUpdateModel {
+
+    private final String encodedCsr;
+    private final String encodedPrivateKey;
+    private final String encodedOldCert;
+    private final String encodedOldPrivateKey;
+    private final String caName;
+
+    private CertificateUpdateModel(String encodedCsr, String encodedPrivateKey, String encodedOldCert,
+                                   String encodedOldPrivateKey, String caName) {
+        this.encodedCsr = encodedCsr;
+        this.encodedPrivateKey = encodedPrivateKey;
+        this.encodedOldCert = encodedOldCert;
+        this.encodedOldPrivateKey = encodedOldPrivateKey;
+        this.caName = caName;
+    }
+
+    public String getEncodedCsr() {
+        return encodedCsr;
+    }
+
+    public String getEncodedPrivateKey() {
+        return encodedPrivateKey;
+    }
+
+    public String getEncodedOldCert() {
+        return encodedOldCert;
+    }
+
+    public String getEncodedOldPrivateKey() {
+        return encodedOldPrivateKey;
+    }
+
+    public String getCaName() {
+        return caName;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        CertificateUpdateModel that = (CertificateUpdateModel) o;
+        return Objects.equals(encodedCsr, that.encodedCsr)
+                && Objects.equals(encodedPrivateKey, that.encodedPrivateKey)
+                && Objects.equals(encodedOldCert, that.encodedOldCert)
+                && Objects.equals(encodedOldPrivateKey, that.encodedOldPrivateKey)
+                && Objects.equals(caName, that.caName);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(encodedCsr, encodedPrivateKey, encodedOldCert, encodedOldPrivateKey, caName);
+    }
+
+    public static class CertificateUpdateModelBuilder {
+
+        private String encodedCsr;
+        private String encodedPrivateKey;
+        private String encodedOldCert;
+        private String encodedOldPrivateKey;
+        private String caName;
+
+        public CertificateUpdateModelBuilder setEncodedCsr(String encodedCsr) {
+            this.encodedCsr = encodedCsr;
+            return this;
+        }
+
+        public CertificateUpdateModelBuilder setEncodedPrivateKey(String encodedPrivateKey) {
+            this.encodedPrivateKey = encodedPrivateKey;
+            return this;
+        }
+
+        public CertificateUpdateModelBuilder setEncodedOldCert(String encodedOldCert) {
+            this.encodedOldCert = encodedOldCert;
+            return this;
+        }
+
+        public CertificateUpdateModelBuilder setEncodedOldPrivateKey(String encodedOldPrivateKey) {
+            this.encodedOldPrivateKey = encodedOldPrivateKey;
+            return this;
+        }
+
+        public CertificateUpdateModelBuilder setCaName(String caName) {
+            this.caName = caName;
+            return this;
+        }
+
+        public CertificateUpdateModel build() {
+            return new CertificateUpdateModel(encodedCsr, encodedPrivateKey, encodedOldCert, encodedOldPrivateKey, caName);
+        }
+    }
+}
diff --git a/certService/src/test/java/org/onap/oom/certservice/api/CertificationControllerTest.java b/certService/src/test/java/org/onap/oom/certservice/api/CertificationControllerTest.java
index abd950e8..0bf37901 100644
--- a/certService/src/test/java/org/onap/oom/certservice/api/CertificationControllerTest.java
+++ b/certService/src/test/java/org/onap/oom/certservice/api/CertificationControllerTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * PROJECT
  * ================================================================================
- * Copyright (C) 2020 Nokia. All rights reserved.
+ * 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.
@@ -32,8 +32,8 @@ 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.model.CertificateUpdateModel;
 import org.onap.oom.certservice.certification.CertificationModelFactory;
-import org.onap.oom.certservice.certification.exception.Cmpv2ClientAdapterException;
 import org.onap.oom.certservice.certification.exception.Cmpv2ServerNotFoundException;
 import org.onap.oom.certservice.certification.exception.CsrDecryptionException;
 import org.onap.oom.certservice.certification.exception.DecryptionException;
@@ -52,6 +52,8 @@ class CertificationControllerTest {
     private static final String TEST_WRONG_ENCODED_CSR = "wrongEncodedCSR";
     private static final String TEST_WRONG_ENCODED_PK = "wrongEncodedPK";
     private static final String TEST_WRONG_CA_NAME = "wrongTestCa";
+    private static final String TEST_ENCODED_OLD_PK = "encodedOldPK";
+    private static final String TEST_ENCODED_OLD_CERT = "encodedOldCert";
 
     private CertificationController certificationController;
 
@@ -65,7 +67,7 @@ class CertificationControllerTest {
 
     @Test
     void shouldReturnDataAboutCsrBaseOnEncodedParameters()
-            throws DecryptionException, CmpClientException, Cmpv2ClientAdapterException {
+            throws DecryptionException, CmpClientException {
         // Given
         CertificationModel testCertificationModel = new CertificationModel(
                 Arrays.asList("ENTITY_CERT", "INTERMEDIATE_CERT"),
@@ -87,7 +89,7 @@ class CertificationControllerTest {
 
     @Test
     void shouldThrowCsrDecryptionExceptionWhenCreatingCsrModelFails()
-            throws DecryptionException, CmpClientException, Cmpv2ClientAdapterException {
+            throws DecryptionException, CmpClientException {
         // Given
         String expectedMessage = "Incorrect CSR, decryption failed";
         when(certificationModelFactory.createCertificationModel(TEST_WRONG_ENCODED_CSR, TEST_ENCODED_PK, TEST_CA_NAME))
@@ -107,7 +109,7 @@ class CertificationControllerTest {
 
     @Test
     void shouldThrowPemDecryptionExceptionWhenCreatingPemModelFails()
-            throws DecryptionException, CmpClientException, Cmpv2ClientAdapterException {
+            throws DecryptionException, CmpClientException {
         // Given
         String expectedMessage = "Incorrect PEM, decryption failed";
         when(certificationModelFactory.createCertificationModel(TEST_ENCODED_CSR, TEST_WRONG_ENCODED_PK, TEST_CA_NAME))
@@ -127,7 +129,7 @@ class CertificationControllerTest {
 
     @Test
     void shouldThrowCmpv2ServerNotFoundWhenGivenWrongCaName()
-            throws DecryptionException, CmpClientException, Cmpv2ClientAdapterException {
+            throws DecryptionException, CmpClientException {
         // Given
         String expectedMessage = "No server found for given CA name";
         when(certificationModelFactory.createCertificationModel(TEST_ENCODED_CSR, TEST_ENCODED_PK, TEST_WRONG_CA_NAME))
@@ -144,4 +146,31 @@ class CertificationControllerTest {
         // Then
         assertEquals(expectedMessage, actualMessage);
     }
+
+    @Test
+    void shouldUpdateEndpointReturnDataAboutCsrBaseOnEncodedParameters() {
+        // Given
+        CertificationModel testCertificationModel = new CertificationModel(
+                Arrays.asList("ENTITY_CERT", "INTERMEDIATE_CERT"),
+                Arrays.asList("CA_CERT", "EXTRA_CA_CERT")
+        );
+        CertificateUpdateModel certificateUpdateModel = new CertificateUpdateModel.CertificateUpdateModelBuilder()
+                .setEncodedCsr(TEST_ENCODED_CSR)
+                .setEncodedPrivateKey(TEST_ENCODED_PK)
+                .setEncodedOldCert(TEST_ENCODED_OLD_CERT)
+                .setEncodedOldPrivateKey(TEST_ENCODED_OLD_PK)
+                .setCaName(TEST_CA_NAME)
+                .build();
+        when(certificationModelFactory.createCertificationModel(certificateUpdateModel)).thenReturn(testCertificationModel);
+
+        // When
+        ResponseEntity<CertificationModel> responseCertificationModel =
+                certificationController.updateCertificate(TEST_CA_NAME, TEST_ENCODED_CSR,
+                        TEST_ENCODED_PK, TEST_ENCODED_OLD_CERT, TEST_ENCODED_OLD_PK);
+
+        // Then
+        assertEquals(HttpStatus.OK, responseCertificationModel.getStatusCode());
+        assertThat(responseCertificationModel.getBody()).isEqualToComparingFieldByField(testCertificationModel);
+    }
+
 }