vfc adapter authentication bug fix

Change-Id: Idaa55084f5ecb0dd3636c232cebc14fa5f064414
Issue-ID: SO-1256
Signed-off-by: Yulian Han <elaine.hanyulian@huawei.com>

5 files changed, 177 insertions, 151 deletions

diff --git a/adapters/mso-vfc-adapter/src/main/java/org/onap/so/adapters/vfc/CXFConfiguration.java b/adapters/mso-vfc-adapter/src/main/java/org/onap/so/adapters/vfc/CXFConfiguration.java
index 031bc2edc5..ea1c3805d1 100644
--- a/adapters/mso-vfc-adapter/src/main/java/org/onap/so/adapters/vfc/CXFConfiguration.java
+++ b/adapters/mso-vfc-adapter/src/main/java/org/onap/so/adapters/vfc/CXFConfiguration.java
@@ -79,11 +79,11 @@ public class CXFConfiguration {
 	public Swagger2Feature createSwaggerFeature() {
 		Swagger2Feature swagger2Feature = new Swagger2Feature();
 		swagger2Feature.setPrettyPrint(true);
-		swagger2Feature.setTitle("SO Request Adapter");
+		swagger2Feature.setTitle("SO VFC Adapter");
 		swagger2Feature.setContact("The ONAP SO team");
 		swagger2Feature.setDescription("This project is the SO Orchestration Engine");
 		swagger2Feature.setVersion("1.0.0");
-		swagger2Feature.setResourcePackage("org.onap.so.adapters.requestdb");
+		swagger2Feature.setResourcePackage("org.onap.so.adapters.vfc.rest");
 		swagger2Feature.setScan(true);
 		return swagger2Feature;
 	}
diff --git a/adapters/mso-vfc-adapter/src/main/java/org/onap/so/adapters/vfc/WebSecurityConfigImpl.java b/adapters/mso-vfc-adapter/src/main/java/org/onap/so/adapters/vfc/WebSecurityConfigImpl.java
new file mode 100644
index 0000000000..37a5633d8d
--- /dev/null
+++ b/adapters/mso-vfc-adapter/src/main/java/org/onap/so/adapters/vfc/WebSecurityConfigImpl.java
@@ -0,0 +1,51 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2018 AT&T Intellectual Property. 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.so.adapters.vfc;
+
+import org.onap.so.security.MSOSpringFirewall;
+import org.onap.so.security.WebSecurityConfig;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.builders.WebSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.web.firewall.StrictHttpFirewall;
+import org.springframework.util.StringUtils;
+
+@EnableWebSecurity
+public class WebSecurityConfigImpl extends WebSecurityConfig {
+
+	@Override
+	protected void configure(HttpSecurity http) throws Exception {
+		http.csrf().disable()
+		.authorizeRequests()
+		.antMatchers("/manage/health","/manage/info","/services").permitAll()
+		.antMatchers("/**").hasAnyRole(StringUtils.collectionToDelimitedString(getRoles(),",").toString())
+		.and()
+		.httpBasic();
+	}
+	
+	@Override
+	public void configure(WebSecurity web) throws Exception {
+		super.configure(web);
+		StrictHttpFirewall firewall = new MSOSpringFirewall();
+		web.httpFirewall(firewall);
+	}
+
+}
\ No newline at end of file
diff --git a/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/CreateVFCNSResource.groovy b/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/CreateVFCNSResource.groovy
index 34f2f0157d..94df0a977a 100644
--- a/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/CreateVFCNSResource.groovy
+++ b/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/CreateVFCNSResource.groovy
@@ -39,7 +39,7 @@ import org.onap.so.bpmn.core.UrnPropertiesReader
 
 import groovy.json.*
 //import javax.ws.rs.core.Response
-import org.onap.so.utils.TargetEntity
+//import org.onap.so.utils.TargetEntity
 
 /**
  * This groovy class supports the <class>DoCreateVFCNetworkServiceInstance.bpmn</class> process.
@@ -272,96 +272,30 @@ public class CreateVFCNSResource extends AbstractServiceTaskProcessor {
         msoLogger.trace("Started Execute VFC adapter Post Process ")
         msoLogger.info("url:" + urlString +"\nrequestBody:"+ requestBody)
         APIResponse apiResponse = null
-//        try{
-
-//			URL url = new URL(urlString);
-
-//			HttpClient httpClient = new HttpClient(url, "application/json", TargetEntity.VNF_ADAPTER)
-//			httpClient.addAdditionalHeader("Accept", "application/json")
-//			httpClient.addAdditionalHeader("Authorization", "Basic YnBlbDpwYXNzd29yZDEk")
-
-//			apiResponse = httpClient.post(requestBody)
-//			msoLogger.info("response code:"+ apiResponse.getStatus() +"\nresponse body:"+ apiResponse.readEntity(String.class))
-
-		// Get the Basic Auth credentials for the VFCAdapter (yes... we ARE using the PO adapters credentials)
-		String basicAuthValuePO = UrnPropertiesReader.getVariable("mso.adapters.po.auth", execution)
-		
-		msoLogger.debug("basicAuthValuePO: " + basicAuthValuePO)
-		if (basicAuthValuePO == null || basicAuthValuePO.isEmpty()) {
-			msoLogger.debug("mso:adapters:po:auth URN mapping is not defined")
-		}			
-
-		RESTConfig config = new RESTConfig(urlString)
-		RESTClient client = null;
-		int statusCode = 0;
-		try {
-			client = new RESTClient(config).addHeader("Accept", "application/json").addAuthorizationHeader(basicAuthValuePO)
-
-			apiResponse = client.httpPost(requestBody)
+		try{
+			// Get the Basic Auth credentials for the VFCAdapter, username is 'bpel', auth is '07a7159d3bf51a0e53be7a8f89699be7'
+			def basicAuthHeaderValue = ""
+			RESTConfig config = new RESTConfig(urlString)
+			RESTClient client = null;
+			int statusCode = 0;
 			
-			statusCode = apiResponse.getStatusCode()
+			// user 'bepl' authHeader is the same with mso.db.auth
+			String basicAuthValuedb =  UrnPropertiesReader.getVariable("mso.db.auth", execution)
+	
+			client = new RESTClient(config)
+			client.addHeader("Accept", "application/json")
+			client.addAuthorizationHeader(basicAuthValuedb)
+			client.addHeader("Content-Type", "application/json")
 			
-			if(statusCode == 200 || statusCode == 201) {
-				return apiResponse
-			}
-		}catch(Exception e){
-			msoLogger.error("VFC Aatpter Post Call Exception using mso.adapters.po.auth:" + e.getMessage());
-		}
-		
-		msoLogger.debug("response code:"+ statusCode +"\nresponse body:"+ apiResponse.getResponseBodyAsString())
-		
-		msoLogger.debug("VFC Aatpter Post Call using mso.msoKey")
-		String basicAuthValue =  UrnPropertiesReader.getVariable("mso.msoKey", execution)
-		msoLogger.debug("basicAuthValue: " + basicAuthValue)
-		if (basicAuthValue == null || basicAuthValue.isEmpty()) {
-			msoLogger.debug("mso:msoKey URN mapping is not defined")
-		}
-		try {
-			client = new RESTClient(config).addHeader("Accept", "application/json").addAuthorizationHeader(basicAuthValue)
-
 			apiResponse = client.httpPost(requestBody)
-			
 			statusCode = apiResponse.getStatusCode()
 			
-			if(statusCode == 200 || statusCode == 201) {
-				return apiResponse
-			}
-		}catch(Exception e){
-			msoLogger.error("VFC Aatpter Post Call Exception using mso.msoKey:" + e.getMessage());
-			
-		}
-					
-		msoLogger.debug("response code:"+ apiResponse.getStatusCode() +"\nresponse body:"+ apiResponse.getResponseBodyAsString())
+			msoLogger.debug("response code:"+ apiResponse.getStatusCode() +"\nresponse body:"+ apiResponse.getResponseBodyAsString())		
 		
-		msoLogger.debug("VFC Aatpter Post Call using mso.db.auth")
-		String basicAuthValuedb =  UrnPropertiesReader.getVariable("mso.db.auth", execution)
-		msoLogger.debug("basicAuthValuedb: " + basicAuthValuedb)
-		if (basicAuthValuedb == null || basicAuthValuedb.isEmpty()) {
-			msoLogger.debug("mso:db.auth URN mapping is not defined")
-		}
-		try {
-			client = new RESTClient(config).addHeader("Accept", "application/json").addAuthorizationHeader(basicAuthValuedb)
-
-			apiResponse = client.httpPost(requestBody)
-			statusCode = apiResponse.getStatusCode()
-			
-			if(statusCode == 200 || statusCode == 201) {
-				return apiResponse
-			}
 		}catch(Exception e){
-			msoLogger.error("VFC Aatpter Post Call Exception using mso.msoKey:" + e.getMessage());
-			exceptionUtil.buildAndThrowWorkflowException(execution, 7000, "VFC Aatpter Post Call Exception by using mso.msoKey or mso.adapters.po.auth")
+			msoLogger.error("Exception occured while executing VF-C Post Call. Exception is: \n" + e.getMessage());
+			throw new BpmnError("MSOWorkflowException")
 		}
-	
-			
-		msoLogger.debug("response code:"+ apiResponse.getStatusCode() +"\nresponse body:"+ apiResponse.getResponseBodyAsString())
-		String auth = "Basic QlBFTENsaWVudDpwYXNzd29yZDEk"
-		msoLogger.debug("auth: " + basicAuthValuedb)
-		client = new RESTClient(config).addHeader("Accept", "application/json").addAuthorizationHeader(auth)
-		
-		apiResponse = client.httpPost(requestBody)
-		
-		msoLogger.debug("response code:"+ apiResponse.getStatusCode() +"\nresponse body:"+ apiResponse.getResponseBodyAsString())
 		
 		msoLogger.trace("Completed Execute VF-C adapter Post Process ")
         
diff --git a/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoCreateVFCNetworkServiceInstance.groovy b/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoCreateVFCNetworkServiceInstance.groovy
index f4a542afe9..0502f7949a 100644
--- a/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoCreateVFCNetworkServiceInstance.groovy
+++ b/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoCreateVFCNetworkServiceInstance.groovy
@@ -28,15 +28,18 @@ import org.camunda.bpm.engine.delegate.DelegateExecution
 import org.onap.so.bpmn.common.scripts.AbstractServiceTaskProcessor
 import org.onap.so.bpmn.common.scripts.ExceptionUtil
 import org.onap.so.bpmn.core.json.JsonUtils
-import org.onap.so.client.HttpClient
+//import org.onap.so.client.HttpClient
 import org.onap.so.logger.MessageEnum
 import org.onap.so.logger.MsoLogger
+import org.onap.so.rest.APIResponse
+import org.onap.so.rest.RESTClient
+import org.onap.so.rest.RESTConfig
 import org.onap.so.bpmn.core.UrnPropertiesReader
 
-import org.onap.so.utils.TargetEntity
+//import org.onap.so.utils.TargetEntity
 
 import groovy.json.*
-import javax.ws.rs.core.Response
+//import javax.ws.rs.core.Response
 
 /**
  * This groovy class supports the <class>DoCreateVFCNetworkServiceInstance.bpmn</class> process.
@@ -138,7 +141,7 @@ public class DoCreateVFCNetworkServiceInstance extends AbstractServiceTaskProces
                 "nsOperationKey":${nsOperationKey},
                 "nsParameters":${nsParameters}
                }"""
-        Response apiResponse = postRequest(execution, vfcAdapterUrl + "/ns", reqBody)
+        APIResponse apiResponse = postRequest(execution, vfcAdapterUrl + "/ns", reqBody)
         String returnCode = apiResponse.getStatus()
         String aaiResponseAsString = apiResponse.readEntity(String.class)
         String nsInstanceId = "";
@@ -167,7 +170,7 @@ public class DoCreateVFCNetworkServiceInstance extends AbstractServiceTaskProces
        }"""
         String nsInstanceId = execution.getVariable("nsInstanceId")
         String url = vfcAdapterUrl + "/ns/" +nsInstanceId + "/instantiate"
-        Response apiResponse = postRequest(execution, url, reqBody)
+        APIResponse apiResponse = postRequest(execution, url, reqBody)
         String returnCode = apiResponse.getStatus()
         String aaiResponseAsString = apiResponse.readEntity(String.class)
         String jobId = "";
@@ -187,7 +190,7 @@ public class DoCreateVFCNetworkServiceInstance extends AbstractServiceTaskProces
         String jobId = execution.getVariable("jobId")
         String nsOperationKey = execution.getVariable("nsOperationKey");
         String url = vfcAdapterUrl + "/jobs/" + jobId
-        Response apiResponse = postRequest(execution, url, nsOperationKey)
+        APIResponse apiResponse = postRequest(execution, url, nsOperationKey)
         String returnCode = apiResponse.getStatus()
         String aaiResponseAsString = apiResponse.readEntity(String.class)
         String operationStatus = "error"
@@ -240,26 +243,38 @@ public class DoCreateVFCNetworkServiceInstance extends AbstractServiceTaskProces
      * url: the url of the request
      * requestBody: the body of the request
      */
-    private Response postRequest(DelegateExecution execution, String urlString, String requestBody){
+    private APIResponse postRequest(DelegateExecution execution, String urlString, String requestBody){
         msoLogger.trace("Started Execute VFC adapter Post Process")
         msoLogger.debug("url:"+urlString +"\nrequestBody:"+ requestBody)
-        Response apiResponse = null
-        try{
-
-			URL url = new URL(urlString);
-
-			HttpClient httpClient = new HttpClient(url, "application/json", TargetEntity.VNF_ADAPTER)
-			httpClient.addAdditionalHeader("Accept", "application/json")
-			httpClient.addAdditionalHeader("Authorization", "Basic YnBlbDpwYXNzd29yZDEk")
-
-			apiResponse = httpClient.post(requestBody)
-
-            msoLogger.debug("response code:"+ apiResponse.getStatus() +"\nresponse body:"+ apiResponse.readEntity(String.class))
-            msoLogger.trace("Completed Execute VF-C adapter Post Process")
-        }catch(Exception e){
-			msoLogger.error(MessageEnum.BPMN_GENERAL_EXCEPTION_ARG, "Exception occured while executing AAI Post Call", "BPMN", MsoLogger.getServiceName(),MsoLogger.ErrorCode.UnknownError, "Exception is:\n" + e);
-            throw new BpmnError("MSOWorkflowException")
-        }
+        APIResponse apiResponse = null
+		try{
+			// Get the Basic Auth credentials for the VFCAdapter, username is 'bpel', auth is '07a7159d3bf51a0e53be7a8f89699be7'
+			def basicAuthHeaderValue = ""
+			RESTConfig config = new RESTConfig(urlString)
+			RESTClient client = null;
+			int statusCode = 0;
+			
+			// user 'bepl' authHeader is the same with mso.db.auth
+			String basicAuthValuedb =  UrnPropertiesReader.getVariable("mso.db.auth", execution)
+			msoLogger.debug("basicAuthValuedb: " + basicAuthValuedb)
+	
+			client = new RESTClient(config)
+			client.addHeader("Accept", "application/json")
+			client.addAuthorizationHeader(basicAuthValuedb)
+			client.addHeader("Content-Type", "application/json")
+			
+			apiResponse = client.httpPost(requestBody)
+			statusCode = apiResponse.getStatusCode()
+				
+			msoLogger.debug("response code:"+ apiResponse.getStatusCode() +"\nresponse body:"+ apiResponse.getResponseBodyAsString())
+		
+		}catch(Exception e){
+			msoLogger.error("Exception occured while executing VF-C Post Call. Exception is: \n" + e.getMessage());
+			throw new BpmnError("MSOWorkflowException")
+		}
+		
+		msoLogger.trace("Completed Execute VF-C adapter Post Process ")
+		
         return apiResponse
     }
 }
diff --git a/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoDeleteVFCNetworkServiceInstance.groovy b/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoDeleteVFCNetworkServiceInstance.groovy
index e0586163f1..5ff93363d2 100644
--- a/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoDeleteVFCNetworkServiceInstance.groovy
+++ b/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoDeleteVFCNetworkServiceInstance.groovy
@@ -25,16 +25,19 @@ import org.camunda.bpm.engine.delegate.DelegateExecution
 import org.onap.so.bpmn.common.scripts.AbstractServiceTaskProcessor
 import org.onap.so.bpmn.common.scripts.ExceptionUtil
 import org.onap.so.bpmn.core.json.JsonUtils
-import org.onap.so.client.HttpClient
+//import org.onap.so.client.HttpClient
 import org.onap.so.client.aai.AAIObjectType
 import org.onap.so.client.aai.entities.uri.AAIResourceUri
 import org.onap.so.client.aai.entities.uri.AAIUriFactory
 import org.onap.so.logger.MessageEnum
 import org.onap.so.logger.MsoLogger
-import org.onap.so.utils.TargetEntity
+import org.onap.so.rest.APIResponse
+import org.onap.so.rest.RESTClient
+import org.onap.so.rest.RESTConfig
+//import org.onap.so.utils.TargetEntity
 import org.onap.so.bpmn.core.UrnPropertiesReader
 
-import javax.ws.rs.core.Response
+//import javax.ws.rs.core.Response
 /**
  * This groovy class supports the <class>DoDeleteVFCNetworkServiceInstance.bpmn</class> process.
  * flow for E2E ServiceInstance Delete
@@ -136,8 +139,9 @@ public class DoDeleteVFCNetworkServiceInstance extends AbstractServiceTaskProces
         String vfcAdapterUrl = execution.getVariable("vfcAdapterUrl")
         String nsOperationKey = execution.getVariable("nsOperationKey");
         String url = vfcAdapterUrl + "/ns/" + execution.getVariable("nsInstanceId")
-        Response apiResponse = deleteRequest(execution, url, nsOperationKey)
-        String returnCode = apiResponse.getStatus()
+        APIResponse apiResponse = deleteRequest(execution, url, nsOperationKey)
+        String returnCode = apiResponse.getStatusCode()
+		String aaiResponseAsString = apiResponse.getResponseBodyAsString()
         String operationStatus = "error";
         if(returnCode== "200" || returnCode== "202"){
             operationStatus = "finished"
@@ -148,7 +152,7 @@ public class DoDeleteVFCNetworkServiceInstance extends AbstractServiceTaskProces
     }
 
     /**
-     * instantiate NS task
+     *  terminate NS task
      */
     public void terminateNetworkService(DelegateExecution execution) {
 
@@ -156,9 +160,9 @@ public class DoDeleteVFCNetworkServiceInstance extends AbstractServiceTaskProces
         String vfcAdapterUrl = execution.getVariable("vfcAdapterUrl")
         String nsOperationKey = execution.getVariable("nsOperationKey")
         String url =  vfcAdapterUrl + "/ns/" + execution.getVariable("nsInstanceId") + "/terminate"
-        Response apiResponse = postRequest(execution, url, nsOperationKey)
-        String returnCode = apiResponse.getStatus()
-        String aaiResponseAsString = apiResponse.readEntity(String.class)
+        APIResponse apiResponse = postRequest(execution, url, nsOperationKey)
+        String returnCode = apiResponse.getStatusCode()		
+        String aaiResponseAsString = apiResponse.getResponseBodyAsString()
         String jobId = "";
         if(returnCode== "200" || returnCode== "202"){
             jobId =  jsonUtil.getJsonValue(aaiResponseAsString, "jobId")
@@ -177,9 +181,9 @@ public class DoDeleteVFCNetworkServiceInstance extends AbstractServiceTaskProces
         String jobId = execution.getVariable("jobId")
         String nsOperationKey = execution.getVariable("nsOperationKey");
         String url =  vfcAdapterUrl + "/jobs/" +  execution.getVariable("jobId")
-        Response apiResponse = postRequest(execution, url, nsOperationKey)
-        String returnCode = apiResponse.getStatus()
-        String apiResponseAsString = apiResponse.readEntity(String.class)
+        APIResponse apiResponse = postRequest(execution, url, nsOperationKey)
+        String returnCode = apiResponse.getStatusCode()
+        String apiResponseAsString = apiResponse.getResponseBodyAsString()
         String operationProgress = "100"
         if(returnCode== "200"){
             operationProgress = jsonUtil.getJsonValue(apiResponseAsString, "responseDescriptor.progress")
@@ -211,25 +215,34 @@ public class DoDeleteVFCNetworkServiceInstance extends AbstractServiceTaskProces
      * url: the url of the request
      * requestBody: the body of the request
      */
-    private Response postRequest(DelegateExecution execution, String urlString, String requestBody){
+    private APIResponse postRequest(DelegateExecution execution, String urlString, String requestBody){
 
 		msoLogger.trace("Started Execute VFC adapter Post Process ")
 		msoLogger.info("url:"+urlString +"\nrequestBody:"+ requestBody)
-		Response apiResponse = null
+		APIResponse apiResponse = null
 		try{
-			URL url = new URL(urlString);
-
-			HttpClient httpClient = new HttpClient(url, "application/json", TargetEntity.VNF_ADAPTER)
-			httpClient.addAdditionalHeader("Accept", "application/json")
-			httpClient.addAdditionalHeader("Authorization", "Basic YnBlbDpwYXNzd29yZDEk")
-
-			apiResponse = httpClient.post(requestBody)
-
-			msoLogger.debug("response code:"+ apiResponse.getStatus() +"\nresponse body:"+ apiResponse.readEntity(String.class))
-
-			msoLogger.trace("Completed Execute VF-C adapter Post Process ")
+			// Get the Basic Auth credentials for the VFCAdapter, username is 'bpel', auth is '07a7159d3bf51a0e53be7a8f89699be7'
+			def basicAuthHeaderValue = ""
+			RESTConfig config = new RESTConfig(urlString)
+			RESTClient client = null;
+			int statusCode = 0;
+			
+			// user 'bepl' authHeader is the same with mso.db.auth
+			String basicAuthValuedb =  UrnPropertiesReader.getVariable("mso.db.auth", execution)
+			msoLogger.debug("basicAuthValuedb: " + basicAuthValuedb)
+			
+			client = new RESTClient(config)
+			client.addHeader("Accept", "application/json")
+			client.addAuthorizationHeader(basicAuthValuedb)
+			client.addHeader("Content-Type", "application/json")
+			
+			apiResponse = client.httpPost(requestBody)
+			statusCode = apiResponse.getStatusCode()
+				
+			msoLogger.debug("response code:"+ apiResponse.getStatusCode() +"\nresponse body:"+ apiResponse.getResponseBodyAsString())
+		
 		}catch(Exception e){
-            msoLogger.error(MessageEnum.BPMN_GENERAL_EXCEPTION_ARG, "Exception occured while executing VF-C Post Call. Exception is: \n" + e, "BPMN", MsoLogger.getServiceName(), MsoLogger.ErrorCode.UnknownError, "Exception is:\n" + e);
+            msoLogger.error("Exception occured while executing VF-C Post Call. Exception is: \n" + e.getMessage());
             throw new BpmnError("MSOWorkflowException")
         }
         return apiResponse
@@ -239,24 +252,37 @@ public class DoDeleteVFCNetworkServiceInstance extends AbstractServiceTaskProces
      * url: the url of the request
      * requestBody: the body of the request
      */
-    private Response deleteRequest(DelegateExecution execution, String url, String requestBody){
+    private APIResponse deleteRequest(DelegateExecution execution, String url, String requestBody){
 
         msoLogger.trace("Started Execute VFC adapter Delete Process ")
         msoLogger.info("url:"+url +"\nrequestBody:"+ requestBody)
-		Response r
-        try{
-
-			URL Url = new URL(url)
-			HttpClient httpClient = new HttpClient(Url, "application/json", TargetEntity.VNF_ADAPTER)
-			httpClient.addAdditionalHeader("Accept", "application/json")
-			httpClient.addAdditionalHeader("Authorization", "Basic YnBlbDpwYXNzd29yZDEk")
-			r = httpClient.delete(requestBody)
-
-            msoLogger.trace("Completed Execute VF-C adapter Delete Process ")
-        }catch(Exception e){
-            msoLogger.error(MessageEnum.BPMN_GENERAL_EXCEPTION_ARG, "Exception occured while executing VF-C Post Call. Exception is: \n" + e, "BPMN", MsoLogger.getServiceName(), MsoLogger.ErrorCode.UnknownError, "Exception is:\n" + e);
-            throw new BpmnError("MSOWorkflowException")
-        }
-        return r
+	
+		APIResponse apiResponse = null
+		try{
+			// Get the Basic Auth credentials for the VFCAdapter, username is 'bpel', auth is '07a7159d3bf51a0e53be7a8f89699be7'
+			def basicAuthHeaderValue = ""
+			RESTConfig config = new RESTConfig(url)
+			RESTClient client = null;
+			int statusCode = 0;
+			
+			// user 'bepl' authHeader is the same with mso.db.auth
+			String basicAuthValuedb =  UrnPropertiesReader.getVariable("mso.db.auth", execution)
+			msoLogger.debug("basicAuthValuedb: " + basicAuthValuedb)
+	
+			client = new RESTClient(config)
+			client.addHeader("Accept", "application/json")
+			client.addAuthorizationHeader(basicAuthValuedb)
+			client.addHeader("Content-Type", "application/json")
+			
+			apiResponse = client.httpDelete(requestBody)
+			statusCode = apiResponse.getStatusCode()
+				
+			msoLogger.debug("response code:"+ apiResponse.getStatusCode() +"\nresponse body:"+ apiResponse.getResponseBodyAsString())
+		
+		}catch(Exception e){
+			msoLogger.error("Exception occured while executing VF-C Delete Call. Exception is: \n" + e.getMessage());
+			throw new BpmnError("MSOWorkflowException")
+		}
+        return apiResponse
     }
 }