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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* Copyright (C) 2017 Huawei Technologies Co., Ltd. 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.openecomp.mso.adapters.workflowmessage;
import javax.xml.bind.DatatypeConverter;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.openecomp.mso.logger.MessageEnum;
import org.openecomp.mso.logger.MsoAlarmLogger;
import org.openecomp.mso.logger.MsoLogger;
/**
* Sends asynchronous messages to the BPMN WorkflowMessage service.
*/
public class BPRestCallback {
private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
private static final MsoAlarmLogger ALARMLOGGER = new MsoAlarmLogger();
/**
* Sends a message to the BPMN workflow message service. The URL path is
* constructed using the specified message type and correlator.
* @param workflowMessageUrl the base BPMN WorkflowMessage URL
* @param messageType the message type
* @param correlator the message correlator
* @param contentType the value for the HTTP Content-Type header (possibly null)
* @param message the content (possibly null)
* @return true if the message was consumed successfully by the endpoint
*/
public boolean send(String workflowMessageUrl, String messageType,
String correlator, ContentType contentType, String message) {
LOGGER.debug(getClass().getSimpleName() + ".send("
+ "workflowMessageUrl=" + workflowMessageUrl
+ " messageType=" + messageType
+ " correlator=" + correlator
+ " contentType=" + contentType
+ " message=" + message
+ ")");
while (workflowMessageUrl.endsWith("/")) {
workflowMessageUrl = workflowMessageUrl.substring(0, workflowMessageUrl.length()-1);
}
String endpoint = workflowMessageUrl + "/" + WMAdapterUtils.encodeURLPathSegment(messageType)
+ "/" + WMAdapterUtils.encodeURLPathSegment(correlator);
return send(endpoint, contentType, message);
}
/**
* Sends a message to the BPMN workflow message service. The specified URL
* must have the message type and correlator already embedded in it.
* @param url the endpoint URL
* @param message the content (possibly null)
* @param contentType the value for the HTTP Content-Type header (possibly null)
* @return true if the message was consumed successfully by the endpoint
*/
public boolean send(String url, ContentType contentType, String message) {
LOGGER.debug(getClass().getSimpleName() + ".send("
+ "url=" + url
+ " contentType=" + contentType
+ " message=" + message
+ ")");
LOGGER.info(MessageEnum.RA_CALLBACK_BPEL, message == null ? "[no content]" : message, "Camunda", "");
HttpPost method = null;
HttpResponse httpResponse = null;
try {
// TODO: configurable timeout?
int timeout = 60 * 1000;
RequestConfig requestConfig = RequestConfig.custom()
.setSocketTimeout(timeout)
.setConnectTimeout(timeout)
.setConnectionRequestTimeout(timeout)
.build();
HttpClient client = HttpClientBuilder.create().build();
method = new HttpPost(url);
method.setConfig(requestConfig);
if (message != null) {
method.setEntity(new StringEntity(message, contentType));
}
boolean error = false;
try {
// AAF Integration, disabled for now due to the constrains from other party
// String userCredentials = CredentialConstants.getDecryptedCredential(WMAdapterConstants.DEFAULT_BPEL_AUTH);
// Once AAF enabled, the credential shall be get by triggering the CredentialConstants.getDecryptedCredential -- remove line
String userCredentials = WMAdapterProperties.getEncryptedProperty(WMAdapterConstants.BPEL_AUTH_PROP,
WMAdapterConstants.DEFAULT_BPEL_AUTH, WMAdapterConstants.ENCRYPTION_KEY);
String authorization = "Basic " + DatatypeConverter.printBase64Binary(userCredentials.getBytes());
method.setHeader("Authorization", authorization);
} catch (Exception e) {
LOGGER.error(MessageEnum.RA_SET_CALLBACK_AUTH_EXC, "Camunda", "", MsoLogger.ErrorCode.BusinessProcesssError,
"Unable to set authorization in callback request", e);
ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL,
"Unable to set authorization in callback request: " + e.getMessage());
error = true;
}
if (!error) {
httpResponse = client.execute(method);
@SuppressWarnings("unused")
String responseContent = null;
if (httpResponse.getEntity() != null) {
responseContent = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
}
if (httpResponse.getStatusLine().getStatusCode() >= 300) {
String msg = "Received error response to callback request: " + httpResponse.getStatusLine();
LOGGER.error(MessageEnum.RA_CALLBACK_BPEL_EXC, "Camunda", "", MsoLogger.ErrorCode.BusinessProcesssError, msg);
ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL, msg);
}
}
return true;
} catch (Exception e) {
LOGGER.error(MessageEnum.RA_CALLBACK_BPEL_EXC, "Camunda", "", MsoLogger.ErrorCode.BusinessProcesssError,
"Error sending callback request", e);
ALARMLOGGER.sendAlarm("MsoInternalError", MsoAlarmLogger.CRITICAL,
"Error sending callback request: " + e.getMessage());
return false;
} finally {
if (httpResponse != null) {
try {
EntityUtils.consume(httpResponse.getEntity());
httpResponse = null;
} catch (Exception e) {
LOGGER.debug("Exception :",e);
}
}
if (method != null) {
try {
method.reset();
method = null;
} catch (Exception e) {
LOGGER.debug("Exception :",e);
}
}
LOGGER.info(MessageEnum.RA_CALLBACK_BPEL_COMPLETE, "Camunda", "");
}
}
}
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