import java.io.IOException;
-import java.util.UUID;
+import java.security.GeneralSecurityException;
+import java.util.ArrayList;
+import java.util.List;
import javax.xml.bind.DatatypeConverter;
import org.apache.commons.lang3.StringUtils;
-import org.apache.http.HttpResponse;
-import org.apache.http.client.methods.HttpPost;
-import org.apache.http.entity.StringEntity;
-import org.onap.logging.ref.slf4j.ONAPLogConstants;
+import org.apache.http.HttpStatus;
import org.onap.so.apihandler.camundabeans.CamundaBooleanInput;
import org.onap.so.apihandler.camundabeans.CamundaInput;
import org.onap.so.apihandler.camundabeans.CamundaIntegerInput;
import org.onap.so.apihandler.camundabeans.CamundaRequest;
+import org.onap.so.apihandler.camundabeans.CamundaResponse;
import org.onap.so.apihandler.camundabeans.CamundaVIDRequest;
+import org.onap.so.apihandlerinfra.exceptions.ApiException;
+import org.onap.so.apihandlerinfra.exceptions.BPMNFailureException;
+import org.onap.so.apihandlerinfra.exceptions.ClientConnectionException;
+import org.onap.so.utils.CryptoUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import org.slf4j.MDC;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.env.Environment;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.HttpStatusCodeException;
+import org.springframework.web.client.ResourceAccessException;
+import org.springframework.web.client.RestTemplate;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
-public class CamundaClient extends RequestClient {
+@Component
+public class CamundaClient {
private static Logger logger = LoggerFactory.getLogger(CamundaClient.class);
- private static final String CAMUNDA_URL_MESAGE = "Camunda url is: ";
- private static final String CAMUNDA_RESPONSE = "Response is: {}";
- private static final String AUTHORIZATION = "Authorization";
private static final String BASIC = "Basic ";
- public CamundaClient() {
- super(CommonConstants.CAMUNDA);
- }
+ @Autowired
+ private RestTemplate restTemplate;
+ @Autowired
+ private Environment env;
- @Override
- public HttpResponse post(String camundaReqXML, String requestId, String requestTimeout, String schemaVersion,
- String serviceInstanceId, String action) throws IOException {
- HttpPost post = new HttpPost(url);
- logger.debug(CAMUNDA_URL_MESAGE + url);
- String jsonReq = wrapRequest(camundaReqXML, requestId, serviceInstanceId, requestTimeout, schemaVersion);
+ @Autowired
+ private ResponseHandler responseHandler;
- StringEntity input = new StringEntity(jsonReq);
- input.setContentType(CommonConstants.CONTENT_TYPE_JSON);
+ public ResponseEntity<String> post(String camundaReqXML, String requestId, String requestTimeout,
+ String schemaVersion, String serviceInstanceId, String action, String orchestrationURI)
+ throws ApiException {
+ String jsonReq = wrapRequest(camundaReqXML, requestId, serviceInstanceId, requestTimeout, schemaVersion,
+ orchestrationURI);
logger.info("Camunda Request Content: {}", jsonReq);
-
- post.setEntity(input);
- setupHeaders(post);
-
- HttpResponse response = client.execute(post);
- logger.debug(CAMUNDA_RESPONSE, response);
-
- return response;
- }
-
-
- private void setupHeaders(HttpPost post) {
- post.addHeader(ONAPLogConstants.Headers.REQUEST_ID, MDC.get(ONAPLogConstants.MDCs.REQUEST_ID));
- post.addHeader(ONAPLogConstants.Headers.INVOCATION_ID, UUID.randomUUID().toString());
- addAuthorizationHeader(post);
- }
-
- @Override
- public HttpResponse post(String jsonReq) throws IOException {
- HttpPost post = new HttpPost(url);
- logger.debug(CAMUNDA_URL_MESAGE + url);
-
- StringEntity input = new StringEntity(jsonReq);
- input.setContentType(CommonConstants.CONTENT_TYPE_JSON);
- setupHeaders(post);
- addAuthorizationHeader(post);
- post.setEntity(input);
- HttpResponse response = client.execute(post);
- logger.debug(CAMUNDA_RESPONSE, response);
-
- return response;
+ return post(jsonReq, orchestrationURI);
}
- @Override
- public HttpResponse post(RequestClientParameter parameterObject) throws IOException {
- HttpPost post = new HttpPost(url);
- logger.debug(CAMUNDA_URL_MESAGE + url);
+ public ResponseEntity<String> post(RequestClientParameter parameterObject, String orchestrationURI)
+ throws ApiException {
String jsonReq = wrapVIDRequest(parameterObject.getRequestId(), parameterObject.isBaseVfModule(),
parameterObject.getRecipeTimeout(), parameterObject.getRequestAction(),
parameterObject.getServiceInstanceId(), parameterObject.getPnfCorrelationId(),
parameterObject.getRequestUri(), parameterObject.getRecipeParamXsd(),
parameterObject.getInstanceGroupId(), parameterObject.isGenerateIdsOnly());
- StringEntity input = new StringEntity(jsonReq);
- input.setContentType(CommonConstants.CONTENT_TYPE_JSON);
- setupHeaders(post);
- addAuthorizationHeader(post);
- post.setEntity(input);
- HttpResponse response = client.execute(post);
- logger.debug(CAMUNDA_RESPONSE, response);
+ return post(jsonReq, orchestrationURI);
+ }
- return response;
+ public ResponseEntity<String> get(String url) throws ApiException {
+ url = env.getRequiredProperty(CommonConstants.CAMUNDA_URL) + url;
+ HttpEntity<?> requestEntity = new HttpEntity<>(setHeaders());
+ try {
+ return restTemplate.exchange(url, HttpMethod.GET, requestEntity, String.class);
+ } catch (HttpStatusCodeException e) {
+ logger.error("Error returned from sending GET request to BPMN", e);
+ throw createBPMNFailureException(e);
+ } catch (ResourceAccessException e) {
+ logger.error("Error sending GET to BPMN", e);
+ ClientConnectionException clientException = new ClientConnectionException.Builder(url,
+ HttpStatus.SC_BAD_GATEWAY, ErrorNumbers.SVC_NO_SERVER_RESOURCES).build();
+ throw clientException;
+ }
}
- @Override
- public HttpResponse get() {
- return null;
+ public ResponseEntity<String> post(String jsonReq, String url) throws ApiException {
+ url = env.getRequiredProperty(CommonConstants.CAMUNDA_URL) + url;
+ HttpEntity<String> request = new HttpEntity<String>(jsonReq, setHeaders());
+ try {
+ return restTemplate.postForEntity(url, request, String.class);
+ } catch (HttpStatusCodeException e) {
+ logger.error("Error returned after sending POST request to BPMN", e);
+ throw createBPMNFailureException(e);
+ } catch (ResourceAccessException e) {
+ logger.error("Error sending POST to BPMN", e);
+ ClientConnectionException clientException = new ClientConnectionException.Builder(url,
+ HttpStatus.SC_BAD_GATEWAY, ErrorNumbers.SVC_NO_SERVER_RESOURCES).build();
+ throw clientException;
+ }
}
protected String wrapRequest(String reqXML, String requestId, String serviceInstanceId, String requestTimeout,
- String schemaVersion) {
+ String schemaVersion, String url) {
String jsonReq = null;
-
try {
CamundaRequest camundaRequest = new CamundaRequest();
CamundaInput camundaInput = new CamundaInput();
CamundaInput svcid = new CamundaInput();
CamundaInput timeout = new CamundaInput();
camundaInput.setValue(StringUtils.defaultString(reqXML));
- host.setValue(parseURL());
+ host.setValue(CommonConstants.CAMUNDA_URL);
schema.setValue(StringUtils.defaultString(schemaVersion));
reqid.setValue(requestId);
svcid.setValue(serviceInstanceId);
jsonReq = mapper.writeValueAsString(camundaRequest);
logger.trace("request body is {}", jsonReq);
} catch (Exception e) {
- logger.error("Error in APIH Warp request", e);
+ logger.error("Error in APIH Wrap request", e);
}
return jsonReq;
}
jsonReq = mapper.writeValueAsString(camundaRequest);
logger.trace("request body is {}", jsonReq);
} catch (Exception e) {
- logger.error("Error in APIH Warp request", e);
+ logger.error("Error in wrapVIDRequest", e);
}
return jsonReq;
}
- private String parseURL() {
- String[] parts = url.split(":");
- String host = "";
- if (parts.length >= 2) {
- host = parts[1];
- if (host.length() > 2) {
- host = host.substring(2);
+ protected HttpHeaders setHeaders() {
+ HttpHeaders headers = new HttpHeaders();
+ List<org.springframework.http.MediaType> acceptableMediaTypes = new ArrayList<>();
+ acceptableMediaTypes.add(org.springframework.http.MediaType.APPLICATION_JSON);
+ headers.setAccept(acceptableMediaTypes);
+ headers.setContentType(org.springframework.http.MediaType.APPLICATION_JSON);
+ headers.add(HttpHeaders.AUTHORIZATION, addAuthorizationHeader(env.getRequiredProperty("mso.camundaAuth"),
+ env.getRequiredProperty("mso.msoKey")));
+ return headers;
+ }
+
+ protected String addAuthorizationHeader(String auth, String msoKey) {
+ String basicAuth = null;
+ try {
+ String userCredentials = CryptoUtils.decrypt(auth, msoKey);
+ if (userCredentials != null) {
+ basicAuth = BASIC + DatatypeConverter.printBase64Binary(userCredentials.getBytes());
}
+ } catch (GeneralSecurityException e) {
+ logger.error("Security exception", e);
}
- return host;
+ return basicAuth;
}
- private void addAuthorizationHeader(HttpPost post) {
- String encryptedCredentials;
- if (props != null) {
- encryptedCredentials = props.getProperty(CommonConstants.CAMUNDA_AUTH);
- if (encryptedCredentials != null) {
- String userCredentials = getEncryptedPropValue(encryptedCredentials, CommonConstants.DEFAULT_BPEL_AUTH,
- props.getProperty(CommonConstants.ENCRYPTION_KEY_PROP));
- if (userCredentials != null) {
- post.addHeader(AUTHORIZATION,
- BASIC + new String(DatatypeConverter.printBase64Binary(userCredentials.getBytes())));
- }
- }
+ protected BPMNFailureException createBPMNFailureException(HttpStatusCodeException e) {
+ ObjectMapper mapper = new ObjectMapper();
+ String responseText = null;
+ String message = null;
+ try {
+ CamundaResponse response = mapper.readValue(e.getResponseBodyAsString(), CamundaResponse.class);
+ responseText = response.getResponse();
+ } catch (IOException ex) {
+ responseText = e.getResponseBodyAsString();
+ }
+ message = String.valueOf(e.getStatusCode());
+ if (responseText != null && !responseText.isEmpty()) {
+ message = message + " " + responseText;
}
+ BPMNFailureException bpmnException =
+ new BPMNFailureException.Builder(message, responseHandler.setStatus(e.getStatusCode().value()),
+ ErrorNumbers.SVC_DETAILED_SERVICE_ERROR, e.getStatusCode()).build();
+ return bpmnException;
}
+
}