Implementation of KeyPair generation

Issue-ID: AAF-996
Change-Id: I97626d122033127d5bb234d134c20d0b5a6d7c03
Signed-off-by: kjaniak <kornel.janiak@nokia.com>

14 files changed, 710 insertions, 0 deletions

diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/ClientConfigurationEnvs.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/ClientConfigurationEnvs.java
new file mode 100644
index 00000000..779e65bb
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/ClientConfigurationEnvs.java
@@ -0,0 +1,28 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration;
+
+public enum ClientConfigurationEnvs {
+    REQUEST_URL,
+    REQUEST_TIMEOUT,
+    OUTPUT_PATH,
+    CA_NAME
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/CsrConfigurationEnvs.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/CsrConfigurationEnvs.java
new file mode 100644
index 00000000..d1cfcd5a
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/CsrConfigurationEnvs.java
@@ -0,0 +1,31 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration;
+
+public enum CsrConfigurationEnvs {
+    COMMON_NAME,
+    ORGANIZATION,
+    ORGANIZATION_UNIT,
+    LOCATION,
+    STATE,
+    COUNTRY,
+    SANS
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvProvider.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvProvider.java
new file mode 100644
index 00000000..9592ac3e
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvProvider.java
@@ -0,0 +1,30 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration;
+
+
+import org.onap.aaf.certservice.client.configuration.exception.ClientConfigurationException;
+
+public class EnvProvider {
+    public String readEnvVariable(String envVariable) throws ClientConfigurationException {
+        return System.getProperty(envVariable);
+    }
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvValidationUtils.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvValidationUtils.java
new file mode 100644
index 00000000..b87df5be
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvValidationUtils.java
@@ -0,0 +1,67 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration;
+
+import java.util.regex.Pattern;
+
+public final class EnvValidationUtils {
+
+    private EnvValidationUtils() {}
+
+    public static Boolean isPathValid(String path) {
+        return path.matches("^/|(/[a-zA-Z0-9_-]+)+$");
+    }
+
+    public static Boolean isAlphaNumeric(String caName) {
+        return caName.matches("^[a-zA-Z0-9]*$");
+    }
+
+    public static Boolean isEnvExists(String envValue) {
+        return envValue != null && !"".equals(envValue);
+    }
+
+    public static Boolean isCountryValid(String country) {
+        return country.matches("^([A-Z][A-Z])$");
+    }
+
+    public static Boolean isCommonNameValid(String commonName) {
+        return !isSpecialCharsPresent(commonName) &&
+                !isHttpProtocolsPresent(commonName) &&
+                !isIpAddressPresent(commonName) &&
+                !isPortNumberPresent(commonName);
+    }
+
+    static Boolean isPortNumberPresent(String stringToCheck) {
+        return Pattern.compile(":[0-9]{1,5}").matcher(stringToCheck).find();
+    }
+
+    static Boolean isIpAddressPresent(String stringToCheck) {
+        return Pattern.compile("[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}").matcher(stringToCheck).find();
+    }
+
+    static Boolean isHttpProtocolsPresent(String stringToCheck) {
+        return Pattern.compile("[h][t][t][p][:][/][/]|[h][t][t][p][s][:][/][/]").matcher(stringToCheck).find();
+    }
+
+    public static Boolean isSpecialCharsPresent(String stringToCheck) {
+        return Pattern.compile("[~#@*$+%!()?/{}<>\\|_^]").matcher(stringToCheck).find();
+    }
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvsForClient.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvsForClient.java
new file mode 100644
index 00000000..aad64f5b
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvsForClient.java
@@ -0,0 +1,51 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration;
+
+public class EnvsForClient {
+    private static final EnvProvider envProvider = new EnvProvider();
+    private final String urlToCertService;
+    private final String requestTimeOut;
+    private final String outputPath;
+    private final String caName;
+
+    public EnvsForClient() {
+        this.urlToCertService = envProvider.readEnvVariable(ClientConfigurationEnvs.REQUEST_URL.toString());
+        this.requestTimeOut = envProvider.readEnvVariable(ClientConfigurationEnvs.REQUEST_TIMEOUT.toString());
+        this.outputPath = envProvider.readEnvVariable(ClientConfigurationEnvs.OUTPUT_PATH.toString());
+        this.caName = envProvider.readEnvVariable(ClientConfigurationEnvs.CA_NAME.toString());
+    }
+
+    public String getUrlToCertService() {
+        return urlToCertService;
+    }
+
+    public String getRequestTimeOut() {
+        return requestTimeOut;
+    }
+
+    public String getOutputPath() {
+        return outputPath;
+    }
+
+    public String getCaName() {
+        return caName;
+    }
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvsForCsr.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvsForCsr.java
new file mode 100644
index 00000000..0c948d3f
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/EnvsForCsr.java
@@ -0,0 +1,70 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration;
+
+
+public class EnvsForCsr {
+    private final EnvProvider envProvider = new EnvProvider();
+    private String commonName;
+    private String organization;
+    private String organizationUnit;
+    private String location;
+    private String state;
+    private String country;
+    private String subjectAlternativesName;
+
+    public EnvsForCsr() {
+        this.commonName = envProvider.readEnvVariable(CsrConfigurationEnvs.COMMON_NAME.toString());
+        this.organization = envProvider.readEnvVariable(CsrConfigurationEnvs.ORGANIZATION.toString());
+        this.organizationUnit = envProvider.readEnvVariable(CsrConfigurationEnvs.ORGANIZATION_UNIT.toString());
+        this.location = envProvider.readEnvVariable(CsrConfigurationEnvs.LOCATION.toString());
+        this.state = envProvider.readEnvVariable(CsrConfigurationEnvs.STATE.toString());
+        this.country = envProvider.readEnvVariable(CsrConfigurationEnvs.COUNTRY.toString());
+        this.subjectAlternativesName = envProvider.readEnvVariable(CsrConfigurationEnvs.SANS.toString());
+    }
+
+    public String getCommonName() {
+        return commonName;
+    }
+
+    public String getOrganization() {
+        return organization;
+    }
+
+    public String getOrganizationUnit() {
+        return organizationUnit;
+    }
+
+    public String getLocation() {
+        return location;
+    }
+
+    public String getState() {
+        return state;
+    }
+
+    public String getCountry() {
+        return country;
+    }
+
+    public String getSubjectAlternativesName() {
+        return subjectAlternativesName;
+    }
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/exception/ClientConfigurationException.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/exception/ClientConfigurationException.java
new file mode 100644
index 00000000..5d968f43
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/exception/ClientConfigurationException.java
@@ -0,0 +1,35 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration.exception;
+
+import org.onap.aaf.certservice.client.api.ExitCode;
+import org.onap.aaf.certservice.client.api.ExitableException;
+
+public class ClientConfigurationException extends ExitableException {
+    private static final ExitCode EXIT_CODE = ExitCode.CLIENT_CONFIGURATION_EXCEPTION;
+
+    public ClientConfigurationException(String message) {
+        super(message);
+    }
+
+    public int applicationExitCode() {
+        return EXIT_CODE.getValue();
+    }
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/exception/CsrConfigurationException.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/exception/CsrConfigurationException.java
new file mode 100644
index 00000000..f9373117
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/exception/CsrConfigurationException.java
@@ -0,0 +1,35 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration.exception;
+
+import org.onap.aaf.certservice.client.api.ExitCode;
+import org.onap.aaf.certservice.client.api.ExitableException;
+
+public class CsrConfigurationException extends ExitableException {
+    private static final ExitCode EXIT_CODE = ExitCode.CSR_CONFIGURATION_EXCEPTION;
+
+    public CsrConfigurationException(String message) {
+        super(message);
+    }
+
+    public int applicationExitCode() {
+        return EXIT_CODE.getValue();
+    }
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/factory/AbstractConfigurationFactory.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/factory/AbstractConfigurationFactory.java
new file mode 100644
index 00000000..28a5cf41
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/factory/AbstractConfigurationFactory.java
@@ -0,0 +1,27 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration.factory;
+
+import org.onap.aaf.certservice.client.configuration.model.ConfigurationModel;
+
+public interface AbstractConfigurationFactory<T extends ConfigurationModel> {
+    T create();
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/factory/ClientConfigurationFactory.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/factory/ClientConfigurationFactory.java
new file mode 100644
index 00000000..96b1fb8b
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/factory/ClientConfigurationFactory.java
@@ -0,0 +1,64 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration.factory;
+
+import org.onap.aaf.certservice.client.configuration.ClientConfigurationEnvs;
+import org.onap.aaf.certservice.client.configuration.EnvValidationUtils;
+import org.onap.aaf.certservice.client.configuration.EnvsForClient;
+import org.onap.aaf.certservice.client.configuration.exception.ClientConfigurationException;
+import org.onap.aaf.certservice.client.configuration.model.ClientConfiguration;
+
+import java.util.Optional;
+
+public class ClientConfigurationFactory implements AbstractConfigurationFactory<ClientConfiguration> {
+
+    private final EnvsForClient envsForClient;
+
+
+    public ClientConfigurationFactory(EnvsForClient envsForClient) {
+        this.envsForClient = envsForClient;
+    }
+
+    @Override
+    public ClientConfiguration create() throws ClientConfigurationException {
+
+        ClientConfiguration configuration = new ClientConfiguration();
+
+        Optional.ofNullable(envsForClient.getUrlToCertService()).filter(EnvValidationUtils::isEnvExists)
+                .map(configuration::setUrlToCertService);
+
+        Optional.ofNullable(envsForClient.getRequestTimeOut()).filter(EnvValidationUtils::isEnvExists)
+                .map(timeout -> configuration.setRequestTimeout(Integer.valueOf(timeout)));
+
+        Optional.ofNullable(envsForClient.getOutputPath()).filter(EnvValidationUtils::isEnvExists)
+                .filter(EnvValidationUtils::isPathValid)
+                .map(configuration::setCertsOutputPath)
+                .orElseThrow(() -> new ClientConfigurationException(ClientConfigurationEnvs.OUTPUT_PATH + " is invalid."));
+
+        Optional.ofNullable(envsForClient.getCaName()).filter(EnvValidationUtils::isEnvExists)
+                .filter(EnvValidationUtils::isAlphaNumeric)
+                .map(configuration::setCaName)
+                .orElseThrow(() -> new ClientConfigurationException(ClientConfigurationEnvs.CA_NAME + " is invalid."));
+
+        return configuration;
+    }
+}
+
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/factory/CsrConfigurationFactory.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/factory/CsrConfigurationFactory.java
new file mode 100644
index 00000000..61e1b3c3
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/factory/CsrConfigurationFactory.java
@@ -0,0 +1,76 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration.factory;
+
+import org.onap.aaf.certservice.client.configuration.CsrConfigurationEnvs;
+import org.onap.aaf.certservice.client.configuration.EnvValidationUtils;
+import org.onap.aaf.certservice.client.configuration.EnvsForCsr;
+import org.onap.aaf.certservice.client.configuration.exception.CsrConfigurationException;
+import org.onap.aaf.certservice.client.configuration.model.CsrConfiguration;
+
+import java.util.Optional;
+
+public class CsrConfigurationFactory implements AbstractConfigurationFactory<CsrConfiguration> {
+
+    private final EnvsForCsr envsForCsr;
+
+
+    public CsrConfigurationFactory(EnvsForCsr envsForCsr) {
+        this.envsForCsr = envsForCsr;
+    }
+
+
+    @Override
+    public CsrConfiguration create() throws CsrConfigurationException {
+
+        CsrConfiguration configuration = new CsrConfiguration();
+
+        Optional.ofNullable(envsForCsr.getCommonName()).filter(EnvValidationUtils::isEnvExists)
+                .filter(EnvValidationUtils::isCommonNameValid)
+                .map(configuration::setCommonName)
+                .orElseThrow(() -> new CsrConfigurationException(CsrConfigurationEnvs.COMMON_NAME + " is invalid."));
+
+        Optional.ofNullable(envsForCsr.getOrganization()).filter(EnvValidationUtils::isEnvExists)
+                .filter(org -> !EnvValidationUtils.isSpecialCharsPresent(org))
+                .map(configuration::setOrganization)
+                .orElseThrow(() -> new CsrConfigurationException(CsrConfigurationEnvs.ORGANIZATION + " is invalid."));
+
+        Optional.ofNullable(envsForCsr.getState()).filter(EnvValidationUtils::isEnvExists)
+                .map(configuration::setState)
+                .orElseThrow(() -> new CsrConfigurationException(CsrConfigurationEnvs.STATE + " is invalid."));
+
+        Optional.ofNullable(envsForCsr.getCountry()).filter(EnvValidationUtils::isEnvExists)
+                .filter(EnvValidationUtils::isCountryValid)
+                .map(configuration::setCountry)
+                .orElseThrow(() -> new CsrConfigurationException(CsrConfigurationEnvs.COUNTRY + " is invalid."));
+
+        Optional.ofNullable(envsForCsr.getOrganizationUnit()).filter(EnvValidationUtils::isEnvExists)
+                .map(configuration::setOrganizationUnit);
+
+        Optional.ofNullable(envsForCsr.getLocation()).filter(EnvValidationUtils::isEnvExists)
+                .map(configuration::setLocation);
+
+        Optional.ofNullable(envsForCsr.getSubjectAlternativesName()).filter(EnvValidationUtils::isEnvExists)
+                .map(configuration::setSubjectAlternativeNames);
+
+        return configuration;
+    }
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/model/ClientConfiguration.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/model/ClientConfiguration.java
new file mode 100644
index 00000000..d6496b7a
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/model/ClientConfiguration.java
@@ -0,0 +1,75 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration.model;
+
+public class ClientConfiguration implements ConfigurationModel {
+
+    Integer DEFAULT_TIMEOUT_MS = 30000;
+    String DEFAULT_REQUEST_URL = "http://cert-service:8080/v1/certificate/";
+
+    private String urlToCertService;
+    private Integer requestTimeout;
+    private String certsOutputPath;
+    private String caName;
+
+
+    public ClientConfiguration() {
+        urlToCertService = DEFAULT_REQUEST_URL;
+        requestTimeout = DEFAULT_TIMEOUT_MS;
+    }
+
+
+    public String getUrlToCertService() {
+        return urlToCertService;
+    }
+
+    public ClientConfiguration setUrlToCertService(String urlToCertService) {
+        this.urlToCertService = urlToCertService;
+        return this;
+    }
+
+    public Integer getRequestTimeout() {
+        return requestTimeout;
+    }
+
+    public ClientConfiguration setRequestTimeout(Integer requestTimeout) {
+        this.requestTimeout = requestTimeout;
+        return this;
+    }
+
+    public String getCertsOutputPath() {
+        return certsOutputPath;
+    }
+
+    public ClientConfiguration setCertsOutputPath(String certsOutputPath) {
+        this.certsOutputPath = certsOutputPath;
+        return this;
+    }
+
+    public String getCaName() {
+        return caName;
+    }
+
+    public ClientConfiguration setCaName(String caName) {
+        this.caName = caName;
+        return this;
+    }
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/model/ConfigurationModel.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/model/ConfigurationModel.java
new file mode 100644
index 00000000..15c22233
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/model/ConfigurationModel.java
@@ -0,0 +1,24 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration.model;
+
+public interface ConfigurationModel {
+}
diff --git a/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/model/CsrConfiguration.java b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/model/CsrConfiguration.java
new file mode 100644
index 00000000..30caf42a
--- /dev/null
+++ b/certServiceClient/src/main/java/org/onap/aaf/certservice/client/configuration/model/CsrConfiguration.java
@@ -0,0 +1,97 @@
+/*
+ * ============LICENSE_START=======================================================
+ * aaf-certservice-client
+ * ================================================================================
+ * 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.client.configuration.model;
+
+
+public class CsrConfiguration implements ConfigurationModel {
+
+    private String commonName;
+    private String organization;
+    private String state;
+    private String country;
+    private String organizationUnit;
+    private String location;
+    private String subjectAlternativeNames;
+
+
+    public String getCommonName() {
+        return commonName;
+    }
+
+    public CsrConfiguration setCommonName(String commonName) {
+        this.commonName = commonName;
+        return this;
+    }
+
+    public String getOrganization() {
+        return organization;
+    }
+
+    public CsrConfiguration setOrganization(String organization) {
+        this.organization = organization;
+        return this;
+    }
+
+    public String getState() {
+        return state;
+    }
+
+    public CsrConfiguration setState(String state) {
+        this.state = state;
+        return this;
+    }
+
+    public String getCountry() {
+        return country;
+    }
+
+    public CsrConfiguration setCountry(String country) {
+        this.country = country;
+        return this;
+    }
+
+    public String getOrganizationUnit() {
+        return organizationUnit;
+    }
+
+    public CsrConfiguration setOrganizationUnit(String organizationUnit) {
+        this.organizationUnit = organizationUnit;
+        return this;
+    }
+
+    public String getLocation() {
+        return location;
+    }
+
+    public CsrConfiguration setLocation(String location) {
+        this.location = location;
+        return this;
+    }
+
+    public String getSubjectAlternativeNames() {
+        return subjectAlternativeNames;
+    }
+
+    public CsrConfiguration setSubjectAlternativeNames(String subjectAlternativeNames) {
+        this.subjectAlternativeNames = subjectAlternativeNames;
+        return this;
+    }
+}