adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/sdncrest/BPRestCallback.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
   7  * ================================================================================
   8  * Modifications Copyright (C) 2018 IBM.
   9  * ================================================================================
  10  * Licensed under the Apache License, Version 2.0 (the "License");
  11  * you may not use this file except in compliance with the License.
  12  * You may obtain a copy of the License at
  13  *
  14  *      http://www.apache.org/licenses/LICENSE-2.0
  15  *
  16  * Unless required by applicable law or agreed to in writing, software
  17  * distributed under the License is distributed on an "AS IS" BASIS,
  18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  19  * See the License for the specific language governing permissions and
  20  * limitations under the License.
  21  * ============LICENSE_END=========================================================
  22  */
  23
  24 package org.onap.so.adapters.sdnc.sdncrest;
  25
  26 import javax.xml.bind.DatatypeConverter;
  27
  28 import org.apache.http.HttpResponse;
  29 import org.apache.http.client.HttpClient;
  30 import org.apache.http.client.config.RequestConfig;
  31 import org.apache.http.client.methods.HttpPost;
  32 import org.apache.http.entity.ContentType;
  33 import org.apache.http.entity.StringEntity;
  34 import org.apache.http.impl.client.HttpClientBuilder;
  35 import org.apache.http.util.EntityUtils;
  36 import org.onap.logging.ref.slf4j.ONAPLogConstants;
  37 import org.onap.so.adapters.sdnc.impl.Constants;
  38 import org.onap.so.logger.MessageEnum;
  39
  40 import org.onap.so.logger.MsoLogger;
  41 import org.springframework.beans.factory.annotation.Autowired;
  42 import org.springframework.stereotype.Component;
  43 import org.onap.so.utils.CryptoUtils;
  44 import org.slf4j.MDC;
  45 import org.springframework.core.env.Environment;
  46
  47 /**
  48  * Sends asynchronous messages to the BPMN WorkflowMessage service.
  49  */
  50 @Component
  51 public class BPRestCallback {
  52         private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA,BPRestCallback.class);
  53
  54         private static final String CAMUNDA="Camunda";
  55         private static final String MSO_INTERNAL_ERROR="MsoInternalError";
  56         @Autowired
  57         private Environment env;
  58
  59         /**
  60          * Sends a message to the BPMN workflow message service. The URL path is
  61          * constructed using the specified message type and correlator.
  62          * @param workflowMessageUrl the base BPMN WorkflowMessage URL
  63          * @param messageType the message type
  64          * @param correlator the message correlator
  65          * @param message the JSON content
  66          * @return true if the message was consumed successfully by the endpoint
  67          */
  68         public boolean send(String workflowMessageUrl, String messageType, String correlator, String message) {
  69                 LOGGER.debug(getClass().getSimpleName() + ".send("
  70                         + "workflowMessageUrl=" + workflowMessageUrl
  71                         + " messageType=" + messageType
  72                         + " correlator=" + correlator
  73                         + " message=" + message
  74                         + ")");
  75
  76                 while (workflowMessageUrl.endsWith("/")) {
  77                         workflowMessageUrl = workflowMessageUrl.substring(0, workflowMessageUrl.length()-1);
  78                 }
  79
  80                 String endpoint = workflowMessageUrl + "/" + SDNCAdapterUtils.encodeURLPathSegment(messageType)
  81                         + "/" + SDNCAdapterUtils.encodeURLPathSegment(correlator);
  82
  83                 return send(endpoint, message);
  84         }
  85
  86         /**
  87          * Sends a message to the BPMN workflow message service. The specified URL
  88          * must have the message type and correlator already embedded in it.
  89          * @param url the endpoint URL
  90          * @param message the JSON content
  91          * @return true if the message was consumed successfully by the endpoint
  92          */
  93         public boolean send(String url, String message) {
  94                 LOGGER.debug(getClass().getSimpleName() + ".send("
  95                         + "url=" + url
  96                         + " message=" + message
  97                         + ")");
  98
  99                 LOGGER.info(MessageEnum.RA_CALLBACK_BPEL, message == null ? "[no content]" : message, CAMUNDA, "");
 100
 101                 HttpPost method = null;
 102                 HttpResponse httpResponse = null;
 103
 104                 try {
 105                         int timeout = 60 * 1000;
 106
 107                         RequestConfig requestConfig = RequestConfig.custom()
 108                                 .setSocketTimeout(timeout)
 109                                 .setConnectTimeout(timeout)
 110                                 .setConnectionRequestTimeout(timeout)
 111                                 .build();
 112
 113                         HttpClient client = HttpClientBuilder.create().build();
 114                         method = new HttpPost(url);
 115                         method.setConfig(requestConfig);
 116
 117                         if (message != null) {
 118                                 method.setEntity(new StringEntity(message, ContentType.APPLICATION_JSON));
 119                         }
 120
 121                         boolean error = false;
 122
 123                         try {
 124                                 String userCredentials = CryptoUtils.decrypt(env.getProperty(Constants.BPEL_AUTH_PROP),
 125                                         env.getProperty(Constants.ENCRYPTION_KEY_PROP));
 126                                 String authorization = "Basic " + DatatypeConverter.printBase64Binary(userCredentials.getBytes());
 127                                 method.setHeader("Authorization", authorization);
 128                                 method.setHeader(ONAPLogConstants.Headers.REQUEST_ID,MDC.get(ONAPLogConstants.MDCs.REQUEST_ID));
 129                                 method.setHeader(ONAPLogConstants.Headers.INVOCATION_ID,MDC.get(ONAPLogConstants.MDCs.INVOCATION_ID));
 130                                 method.setHeader(ONAPLogConstants.Headers.PARTNER_NAME,"SO-SDNCAdapter");
 131                         } catch (Exception e) {
 132                                 LOGGER.error(MessageEnum.RA_SET_CALLBACK_AUTH_EXC, CAMUNDA, "", MsoLogger.ErrorCode.BusinessProcesssError,
 133                                         "Unable to set authorization in callback request", e);
 134                                 error = true;
 135                         }
 136
 137                         if (!error) {
 138                                 httpResponse = client.execute(method);
 139
 140                                 @SuppressWarnings("unused")
 141                                 String responseContent = null;
 142
 143                                 if (httpResponse.getEntity() != null) {
 144                                         responseContent = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
 145                                 }
 146
 147                                 if (httpResponse.getStatusLine().getStatusCode() >= 300) {
 148                                         String msg = "Received error response to callback request: " + httpResponse.getStatusLine();
 149                                         LOGGER.error(MessageEnum.RA_CALLBACK_BPEL_EXC, CAMUNDA, "", MsoLogger.ErrorCode.BusinessProcesssError, msg);
 150
 151                                 }
 152                         }
 153                         return true;
 154                 } catch (Exception e) {
 155                         LOGGER.error(MessageEnum.RA_CALLBACK_BPEL_EXC, CAMUNDA, "", MsoLogger.ErrorCode.BusinessProcesssError,
 156                                 "Error sending callback request", e);
 157                         return false;
 158                 } finally {
 159                         if (httpResponse != null) {
 160                                 try {
 161                                         EntityUtils.consume(httpResponse.getEntity());
 162                                         httpResponse = null;
 163                                 } catch (Exception e) {
 164                                         LOGGER.debug("Exception:", e);
 165                                 }
 166                         }
 167
 168                         if (method != null) {
 169                                 try {
 170                                         method.reset();
 171                                 } catch (Exception e) {
 172                                         LOGGER.debug("Exception:", e);
 173                                 }
 174                         }
 175                         LOGGER.info(MessageEnum.RA_CALLBACK_BPEL_COMPLETE, CAMUNDA, "","");
 176                 }
 177         }
 178 }