2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
6 * =============================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * * ============LICENSE_END=========================================================
20 package org.onap.appc.flow.controller.executorImpl;
22 import com.att.eelf.configuration.EELFLogger;
23 import com.att.eelf.configuration.EELFManager;
24 import com.sun.jersey.api.client.Client;
25 import com.sun.jersey.api.client.ClientResponse;
26 import com.sun.jersey.api.client.ClientResponse.Status;
27 import com.sun.jersey.api.client.WebResource;
28 import com.sun.jersey.api.client.config.DefaultClientConfig;
29 import com.sun.jersey.api.client.filter.HTTPBasicAuthFilter;
30 import com.sun.jersey.client.urlconnection.HTTPSProperties;
32 import java.util.Collections;
33 import java.util.HashMap;
35 import java.util.Optional;
36 import javax.net.ssl.HostnameVerifier;
37 import javax.net.ssl.SSLContext;
38 import javax.ws.rs.HttpMethod;
39 import javax.ws.rs.core.MediaType;
40 import org.apache.commons.lang3.StringUtils;
41 import org.onap.appc.flow.controller.data.Response;
42 import org.onap.appc.flow.controller.data.Transaction;
43 import org.onap.appc.flow.controller.interfaces.FlowExecutorInterface;
44 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
47 public class RestExecutor implements FlowExecutorInterface {
49 private static final EELFLogger log = EELFManager.getInstance().getLogger(RestExecutor.class);
52 public Map<String, String> execute(Transaction transaction, SvcLogicContext ctx) throws Exception {
53 log.info("Configuring Rest Operation....." + transaction.toString());
54 Map<String, String> outputMessage = new HashMap<>();
58 System.setProperty("jsse.enableSNIExtension", "false");
59 SSLContext sslContext = SSLContext.getInstance("SSL");
60 sslContext.init(null, new javax.net.ssl.TrustManager[] {new SecureRestClientTrustManager()}, null);
61 DefaultClientConfig defaultClientConfig = new DefaultClientConfig();
62 defaultClientConfig.getProperties().put(HTTPSProperties.PROPERTY_HTTPS_PROPERTIES,
63 new HTTPSProperties(getHostnameVerifier(), sslContext));
64 client = createClient(defaultClientConfig);
65 if ((transaction.getuId() != null) && (transaction.getPswd() != null)) {
66 client.addFilter(new HTTPBasicAuthFilter(transaction.getuId(), transaction.getPswd()));
68 WebResource webResource = client.resource(new URI(transaction.getExecutionEndPoint()));
69 webResource.setProperty("Content-Type", "application/json;charset=UTF-8");
71 ClientResponse clientResponse = getClientResponse(transaction, webResource).orElseThrow(() -> new Exception(
72 "Cannot determine the state of : " + transaction.getActionLevel() + " HTTP response is null"));
74 processClientResponse(clientResponse, transaction, outputMessage);
76 log.info("Completed Rest Operation.....");
78 } catch (Exception e) {
79 log.debug("failed in RESTCONT Action (" + transaction.getExecutionRPC() + ") for the resource "
80 + transaction.getExecutionEndPoint() + ", fault message :" + e.getMessage());
81 throw new Exception("Error While Sending Rest Request", e);
91 private HostnameVerifier getHostnameVerifier() {
92 return (hostname, sslSession) -> true;
95 Client createClient(DefaultClientConfig defaultClientConfig) {
96 return Client.create(defaultClientConfig);
99 private Optional<ClientResponse> getClientResponse(Transaction transaction, WebResource webResource) {
100 String responseDataType = MediaType.APPLICATION_JSON;
101 String requestDataType = MediaType.APPLICATION_JSON;
102 ClientResponse clientResponse = null;
104 log.info("Starting Rest Operation.....");
105 if (HttpMethod.GET.equalsIgnoreCase(transaction.getExecutionRPC())) {
106 clientResponse = webResource.accept(responseDataType).get(ClientResponse.class);
107 } else if (HttpMethod.POST.equalsIgnoreCase(transaction.getExecutionRPC())) {
108 clientResponse = webResource.type(requestDataType).post(ClientResponse.class, transaction.getPayload());
109 } else if (HttpMethod.PUT.equalsIgnoreCase(transaction.getExecutionRPC())) {
110 clientResponse = webResource.type(requestDataType).put(ClientResponse.class, transaction.getPayload());
111 } else if (HttpMethod.DELETE.equalsIgnoreCase(transaction.getExecutionRPC())) {
112 clientResponse = webResource.delete(ClientResponse.class);
114 return Optional.ofNullable(clientResponse);
117 private void processClientResponse(ClientResponse clientResponse, Transaction transaction,
118 Map<String, String> outputMessage) throws Exception {
120 if (clientResponse.getStatus() == Status.OK.getStatusCode()) {
121 Response response = new Response();
122 response.setResponseCode(String.valueOf(Status.OK.getStatusCode()));
123 transaction.setResponses(Collections.singletonList(response));
124 outputMessage.put("restResponse", clientResponse.getEntity(String.class));
126 String errorMsg = clientResponse.getEntity(String.class);
127 if (StringUtils.isNotBlank(errorMsg)) {
128 log.debug("Error Message from Client Response" + errorMsg);
130 throw new Exception("Cannot determine the state of : " + transaction.getActionLevel()
131 + " HTTP error code : " + clientResponse.getStatus());