adapters/mso-workflow-message-adapter/src/main/java/org/openecomp/mso/adapters/workflowmessage/BPRestCallback.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * OPENECOMP - MSO
   4  * ================================================================================
   5  * Copyright (C) 2017 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
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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=========================================================
  19  */
  20 package org.openecomp.mso.adapters.workflowmessage;
  21
  22 import javax.xml.bind.DatatypeConverter;
  23
  24 import org.apache.http.HttpResponse;
  25 import org.apache.http.client.HttpClient;
  26 import org.apache.http.client.config.RequestConfig;
  27 import org.apache.http.client.methods.HttpPost;
  28 import org.apache.http.entity.ContentType;
  29 import org.apache.http.entity.StringEntity;
  30 import org.apache.http.impl.client.HttpClientBuilder;
  31 import org.apache.http.util.EntityUtils;
  32
  33 import org.openecomp.mso.logger.MessageEnum;
  34 import org.openecomp.mso.logger.MsoAlarmLogger;
  35 import org.openecomp.mso.logger.MsoLogger;
  36
  37 /**
  38  * Sends asynchronous messages to the BPMN WorkflowMessage service.
  39  */
  40 public class BPRestCallback {
  41         private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
  42         private static final MsoAlarmLogger ALARMLOGGER = new MsoAlarmLogger();
  43
  44         /**
  45          * Sends a message to the BPMN workflow message service. The URL path is
  46          * constructed using the specified message type and correlator.
  47          * @param workflowMessageUrl the base BPMN WorkflowMessage URL
  48          * @param messageType the message type
  49          * @param correlator the message correlator
  50          * @param contentType the value for the HTTP Content-Type header (possibly null)
  51          * @param message the content (possibly null)
  52          * @return true if the message was consumed successfully by the endpoint
  53          */
  54         public boolean send(String workflowMessageUrl, String messageType,
  55                         String correlator, ContentType contentType, String message) {
  56                 LOGGER.debug(getClass().getSimpleName() + ".send("
  57                         + "workflowMessageUrl=" + workflowMessageUrl
  58                         + " messageType=" + messageType
  59                         + " correlator=" + correlator
  60                         + " contentType=" + contentType
  61                         + " message=" + message
  62                         + ")");
  63
  64                 while (workflowMessageUrl.endsWith("/")) {
  65                         workflowMessageUrl = workflowMessageUrl.substring(0, workflowMessageUrl.length()-1);
  66                 }
  67
  68                 String endpoint = workflowMessageUrl + "/" + WMAdapterUtils.encodeURLPathSegment(messageType)
  69                         + "/" + WMAdapterUtils.encodeURLPathSegment(correlator);
  70
  71                 return send(endpoint, contentType, message);
  72         }
  73
  74         /**
  75          * Sends a message to the BPMN workflow message service. The specified URL
  76          * must have the message type and correlator already embedded in it.
  77          * @param url the endpoint URL
  78          * @param message the content (possibly null)
  79          * @param contentType the value for the HTTP Content-Type header (possibly null)
  80          * @return true if the message was consumed successfully by the endpoint
  81          */
  82         public boolean send(String url, ContentType contentType, String message) {
  83                 LOGGER.debug(getClass().getSimpleName() + ".send("
  84                         + "url=" + url
  85                         + " contentType=" + contentType
  86                         + " message=" + message
  87                         + ")");
  88
  89                 LOGGER.info(MessageEnum.RA_CALLBACK_BPEL, message == null ? "[no content]" : message, "Camunda", "");
  90
  91                 HttpPost method = null;
  92                 HttpResponse httpResponse = null;
  93
  94                 try {
  95                         // TODO: configurable timeout?
  96                         int timeout = 60 * 1000;
  97
  98                         RequestConfig requestConfig = RequestConfig.custom()
  99                                 .setSocketTimeout(timeout)
 100                                 .setConnectTimeout(timeout)
 101                                 .setConnectionRequestTimeout(timeout)
 102                                 .build();
 103
 104                         HttpClient client = HttpClientBuilder.create().build();
 105                         method = new HttpPost(url);
 106                         method.setConfig(requestConfig);
 107
 108                         if (message != null) {
 109                                 method.setEntity(new StringEntity(message, contentType));
 110                         }
 111
 112                         boolean error = false;
 113
 114                         try {
 115                                 // AAF Integration, disabled for now due to the constrains from other party
 116                                 // String userCredentials = CredentialConstants.getDecryptedCredential(WMAdapterConstants.DEFAULT_BPEL_AUTH);
 117                                 // Once AAF enabled, the credential shall be get by triggering the CredentialConstants.getDecryptedCredential -- remove line
 118                                 String  userCredentials = WMAdapterProperties.getEncryptedProperty(WMAdapterConstants.BPEL_AUTH_PROP,
 119                                         WMAdapterConstants.DEFAULT_BPEL_AUTH, WMAdapterConstants.ENCRYPTION_KEY);
 120                                 String authorization = "Basic " + DatatypeConverter.printBase64Binary(userCredentials.getBytes());
 121                                 method.setHeader("Authorization", authorization);
 122                         } catch (Exception e) {
 123                                 LOGGER.error(MessageEnum.RA_SET_CALLBACK_AUTH_EXC, "Camunda", "", MsoLogger.ErrorCode.BusinessProcesssError,
 124                                         "Unable to set authorization in callback request", e);
 125                                 ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL,
 126                                         "Unable to set authorization in callback request: " + e.getMessage());
 127                                 error = true;
 128                         }
 129
 130                         if (!error) {
 131                                 httpResponse = client.execute(method);
 132
 133                                 @SuppressWarnings("unused")
 134                                 String responseContent = null;
 135
 136                                 if (httpResponse.getEntity() != null) {
 137                                         responseContent = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
 138                                 }
 139
 140                                 if (httpResponse.getStatusLine().getStatusCode() >= 300) {
 141                                         String msg = "Received error response to callback request: " + httpResponse.getStatusLine();
 142                                         LOGGER.error(MessageEnum.RA_CALLBACK_BPEL_EXC, "Camunda", "", MsoLogger.ErrorCode.BusinessProcesssError, msg);
 143                                         ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL, msg);
 144                                 }
 145
 146                                 httpResponse = null;
 147                         }
 148
 149                         method.reset();
 150                         method = null;
 151                         return true;
 152                 } catch (Exception e) {
 153                         LOGGER.error(MessageEnum.RA_CALLBACK_BPEL_EXC, "Camunda", "", MsoLogger.ErrorCode.BusinessProcesssError,
 154                                 "Error sending callback request", e);
 155                         ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL,
 156                                 "Error sending callback request: " + e.getMessage());
 157                         return false;
 158                 } finally {
 159                         if (httpResponse != null) {
 160                                 try {
 161                                         EntityUtils.consume(httpResponse.getEntity());
 162                                 } catch (Exception e) {
 163                                         // Ignore
 164                                 }
 165                         }
 166
 167                         if (method != null) {
 168                                 try {
 169                                         method.reset();
 170                                 } catch (Exception e) {
 171                                         // Ignore
 172                                 }
 173                         }
 174
 175                         LOGGER.info(MessageEnum.RA_CALLBACK_BPEL_COMPLETE, "Camunda", "");
 176                 }
 177         }
 178 }