Add NssmfAapterUtils to fix the auth problem of request to nssmf

Issue-ID: SO-2918

Change-Id: I8d5df8e1a2e390f24c8d38195d8c8f3696f81804
Signed-off-by: hetengjiao <hetengjiao@chinamobile.com>

1 files changed, 141 insertions, 0 deletions

diff --git a/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/NssmfAdapterUtils.groovy b/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/NssmfAdapterUtils.groovy
new file mode 100644
index 0000000000..ba7a2d7468
--- /dev/null
+++ b/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/NssmfAdapterUtils.groovy
@@ -0,0 +1,141 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ # Copyright (c) 2019, CMCC Technologies Co., Ltd.
+ #
+ # 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.so.bpmn.common.scripts
+
+import org.apache.commons.lang3.StringUtils
+import org.camunda.bpm.engine.delegate.DelegateExecution
+import org.onap.logging.filter.base.ONAPComponents
+import org.onap.so.bpmn.core.UrnPropertiesReader
+import org.onap.so.bpmn.core.json.JsonUtils
+import org.onap.so.client.HttpClient
+import org.onap.so.client.HttpClientFactory
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+
+import javax.ws.rs.core.Response
+
+/***
+ * Utilities for accessing Catalog DB Adapter to retrieve Networks, VNF/VFModules, AllottedResources and complete ServiceResources information
+ *
+ */
+
+class NssmfAdapterUtils {
+    private static final Logger logger = LoggerFactory.getLogger( NssmfAdapterUtils.class);
+
+	private HttpClientFactory httpClientFactory
+	private MsoUtils utils
+	private JsonUtils jsonUtils
+
+    NssmfAdapterUtils(HttpClientFactory httpClientFactory, JsonUtils jsonUtils) {
+		this.httpClientFactory = httpClientFactory
+		this.utils = new MsoUtils()
+		this.jsonUtils = jsonUtils
+	}
+
+
+    public <T> T sendPostRequestNSSMF (DelegateExecution execution, String endPoint, String nssmfRequest, Class<T> entityType) {
+        try {
+
+            String nssmfEndpoint = UrnPropertiesReader.getVariable("mso.adapters.nssmf.endpoint",execution)
+            String queryEndpoint = nssmfEndpoint + endPoint
+            def responseData
+            HttpClient client = httpClientFactory.newJsonClient(new URL(queryEndpoint), ONAPComponents.EXTERNAL)
+            String basicAuthCred = execution.getVariable("BasicAuthHeaderValue")
+            client.addAdditionalHeader("Authorization", StringUtils.defaultIfEmpty(basicAuthCred, getBasicDBAuthHeader(execution)))
+
+            logger.debug('sending POST to NSSMF endpoint: ' + endPoint)
+            Response response = client.post(nssmfRequest)
+
+            responseData = response.readEntity(entityType)
+            if (responseData != null) {
+                logger.debug("Received data from NSSMF: " + responseData)
+            }
+
+            logger.debug('Response code:' + response.getStatus())
+            logger.debug('Response:' + System.lineSeparator() + responseData)
+            if (response.getStatus() >= 200 && response.getStatus() < 300) {
+                // parse response as needed
+                return responseData
+            }
+            else {
+                return null
+            }
+        }
+        catch (Exception e) {
+            logger.debug("ERROR WHILE QUERYING CATALOG DB: " + e.message)
+            throw e
+        }
+
+    }
+
+	public String sendPostRequestNSSMF (DelegateExecution execution, String endPoint, String nssmfRequest) {
+		try {
+
+			String nssmfEndpoint = UrnPropertiesReader.getVariable("mso.adapters.nssmf.endpoint",execution)
+			String queryEndpoint = nssmfEndpoint + endPoint
+			def responseData
+            HttpClient client = httpClientFactory.newJsonClient(new URL(queryEndpoint), ONAPComponents.EXTERNAL)
+			String basicAuthCred = execution.getVariable("BasicAuthHeaderValue")
+			client.addAdditionalHeader("Authorization", StringUtils.defaultIfEmpty(basicAuthCred, getBasicDBAuthHeader(execution)))
+
+			logger.debug('sending POST to NSSMF endpoint: ' + endPoint)
+			Response response = client.post(nssmfRequest)
+
+			responseData = response.readEntity(String.class)
+			if (responseData != null) {
+				logger.debug("Received data from NSSMF: " + responseData)
+			}
+
+			logger.debug('Response code:' + response.getStatus())
+			logger.debug('Response:' + System.lineSeparator() + responseData)
+			if (response.getStatus() >= 200 && response.getStatus() < 300) {
+				// parse response as needed
+				return responseData
+			}
+			else {
+				return null
+			}
+		}
+		catch (Exception e) {
+			logger.debug("ERROR WHILE QUERYING CATALOG DB: " + e.message)
+			throw e
+		}
+
+	}
+
+
+	private String getBasicDBAuthHeader(DelegateExecution execution) {
+
+		String encodedString = null
+		try {
+			String basicAuthValueDB = UrnPropertiesReader.getVariable("mso.adapters.db.auth", execution)
+			logger.debug("DEBUG", " Obtained BasicAuth userid password for Catalog DB adapter: " + basicAuthValueDB)
+
+			encodedString = utils.getBasicAuth(basicAuthValueDB, UrnPropertiesReader.getVariable("mso.msoKey", execution))
+			execution.setVariable("BasicAuthHeaderValue", encodedString)
+		} catch (IOException ex) {
+			String dataErrorMessage = " Unable to encode Catalog DB user/password string - " + ex.getMessage()
+			logger.error(dataErrorMessage)
+		}
+		return encodedString
+	}
+
+}