adapters/mso-sdnc-adapter/src/main/java/org/openecomp/mso/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  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21 package org.openecomp.mso.adapters.sdnc.sdncrest;
  22
  23 import org.openecomp.mso.adapters.sdnc.impl.Constants;
  24 import org.openecomp.mso.logger.MessageEnum;
  25 import org.openecomp.mso.logger.MsoAlarmLogger;
  26 import org.openecomp.mso.logger.MsoLogger;
  27 import org.apache.http.HttpResponse;
  28 import org.apache.http.client.HttpClient;
  29 import org.apache.http.client.config.RequestConfig;
  30 import org.apache.http.client.methods.HttpPost;
  31 import org.apache.http.entity.ContentType;
  32 import org.apache.http.entity.StringEntity;
  33 import org.apache.http.impl.client.HttpClientBuilder;
  34 import org.apache.http.util.EntityUtils;
  35
  36 import javax.xml.bind.DatatypeConverter;
  37
  38 /**
  39  * Sends asynchronous messages to the BPMN WorkflowMessage service.
  40  */
  41 public class BPRestCallback {
  42         private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
  43         private static final MsoAlarmLogger ALARMLOGGER = new MsoAlarmLogger();
  44
  45         /**
  46          * Sends a message to the BPMN workflow message service. The URL path is
  47          * constructed using the specified message type and correlator.
  48          * @param workflowMessageUrl the base BPMN WorkflowMessage URL
  49          * @param messageType the message type
  50          * @param correlator the message correlator
  51          * @param message the JSON content
  52          * @return true if the message was consumed successfully by the endpoint
  53          */
  54         public boolean send(String workflowMessageUrl, String messageType, String correlator, String message) {
  55                 LOGGER.debug(getClass().getSimpleName() + ".send("
  56                         + "workflowMessageUrl=" + workflowMessageUrl
  57                         + " messageType=" + messageType
  58                         + " correlator=" + correlator
  59                         + " message=" + message
  60                         + ")");
  61
  62                 while (workflowMessageUrl.endsWith("/")) {
  63                         workflowMessageUrl = workflowMessageUrl.substring(0, workflowMessageUrl.length()-1);
  64                 }
  65
  66                 String endpoint = workflowMessageUrl + "/" + SDNCAdapterUtils.encodeURLPathSegment(messageType)
  67                         + "/" + SDNCAdapterUtils.encodeURLPathSegment(correlator);
  68
  69                 return send(endpoint, message);
  70         }
  71
  72         /**
  73          * Sends a message to the BPMN workflow message service. The specified URL
  74          * must have the message type and correlator already embedded in it.
  75          * @param url the endpoint URL
  76          * @param message the JSON content
  77          * @return true if the message was consumed successfully by the endpoint
  78          */
  79         public boolean send(String url, String message) {
  80                 LOGGER.debug(getClass().getSimpleName() + ".send("
  81                         + "url=" + url
  82                         + " message=" + message
  83                         + ")");
  84
  85                 LOGGER.info(MessageEnum.RA_CALLBACK_BPEL, message == null ? "[no content]" : message, "Camunda", "");
  86
  87                 HttpPost method = null;
  88                 HttpResponse httpResponse = null;
  89
  90                 try {
  91                         // TODO: configurable timeout?
  92                         int timeout = 60 * 1000;
  93
  94                         RequestConfig requestConfig = RequestConfig.custom()
  95                                 .setSocketTimeout(timeout)
  96                                 .setConnectTimeout(timeout)
  97                                 .setConnectionRequestTimeout(timeout)
  98                                 .build();
  99
 100                         HttpClient client = HttpClientBuilder.create().build();
 101                         method = new HttpPost(url);
 102                         method.setConfig(requestConfig);
 103
 104                         if (message != null) {
 105                                 method.setEntity(new StringEntity(message, ContentType.APPLICATION_JSON));
 106                         }
 107
 108                         boolean error = false;
 109
 110                         try {
 111                                 // AAF Integration, disabled for now due to the constrains from other party
 112                                 // String userCredentials = CredentialConstants.getDecryptedCredential(Constants.DEFAULT_BPEL_AUTH);
 113                                 // Once AAF enabled, the credential shall be get by triggering the CredentialConstants.getDecryptedCredential -- remove line
 114                                 String  userCredentials = SDNCAdapterProperties.getEncryptedProperty(Constants.BPEL_AUTH_PROP,
 115                                         Constants.DEFAULT_BPEL_AUTH, Constants.ENCRYPTION_KEY);
 116                                 String authorization = "Basic " + DatatypeConverter.printBase64Binary(userCredentials.getBytes());
 117                                 method.setHeader("Authorization", authorization);
 118                         } catch (Exception e) {
 119                                 LOGGER.error(MessageEnum.RA_SET_CALLBACK_AUTH_EXC, "Camunda", "", MsoLogger.ErrorCode.BusinessProcesssError,
 120                                         "Unable to set authorization in callback request", e);
 121                                 ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL,
 122                                         "Unable to set authorization in callback request: " + e.getMessage());
 123                                 error = true;
 124                         }
 125
 126                         if (!error) {
 127                                 httpResponse = client.execute(method);
 128
 129                                 @SuppressWarnings("unused")
 130                                 String responseContent = null;
 131
 132                                 if (httpResponse.getEntity() != null) {
 133                                         responseContent = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
 134                                 }
 135
 136                                 if (httpResponse.getStatusLine().getStatusCode() >= 300) {
 137                                         String msg = "Received error response to callback request: " + httpResponse.getStatusLine();
 138                                         LOGGER.error(MessageEnum.RA_CALLBACK_BPEL_EXC, "Camunda", "", MsoLogger.ErrorCode.BusinessProcesssError, msg);
 139                                         ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL, msg);
 140                                 }
 141                         }
 142                         return true;
 143                 } catch (Exception e) {
 144                         LOGGER.error(MessageEnum.RA_CALLBACK_BPEL_EXC, "Camunda", "", MsoLogger.ErrorCode.BusinessProcesssError,
 145                                 "Error sending callback request", e);
 146                         ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL,
 147                                 "Error sending callback request: " + e.getMessage());
 148                         return false;
 149                 } finally {
 150                         if (httpResponse != null) {
 151                                 try {
 152                                         EntityUtils.consume(httpResponse.getEntity());
 153                                         httpResponse = null;
 154                                 } catch (Exception e) {
 155                                         LOGGER.debug("Exception:", e);
 156                                 }
 157                         }
 158
 159                         if (method != null) {
 160                                 try {
 161                                         method.reset();
 162                                 } catch (Exception e) {
 163                                         LOGGER.debug("Exception:", e);
 164                                 }
 165                         }
 166
 167                         LOGGER.info(MessageEnum.RA_CALLBACK_BPEL_COMPLETE, "Camunda", "");
 168                 }
 169         }
 170 }