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/*-
* ============LICENSE_START=======================================================
* VID
* ================================================================================
* Copyright (C) 2017 - 2019 AT&T Intellectual Property. 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.onap.vid.mso;
import static org.onap.vid.utils.KotlinUtilsKt.JACKSON_OBJECT_MAPPER;
import static org.onap.vid.utils.Logging.getMethodCallerName;
import static org.onap.vid.utils.Logging.getMethodName;
import com.att.eelf.configuration.EELFLogger;
import java.util.Collections;
import java.util.Optional;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedHashMap;
import javax.ws.rs.core.Response;
import org.apache.commons.codec.binary.Base64;
import org.eclipse.jetty.util.security.Password;
import org.glassfish.jersey.client.ClientProperties;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.vid.aai.util.HttpClientMode;
import org.onap.vid.aai.util.HttpsAuthClient;
import org.onap.vid.client.HttpBasicClient;
import org.onap.vid.logging.JaxRsMetricLogClientFilter;
import org.onap.vid.utils.Logging;
import org.onap.vid.utils.SystemPropertiesWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpMethod;
public class RestMsoImplementation {
protected EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(RestMsoImplementation.class);
private final EELFLogger outgoingRequestsLogger = Logging.getRequestsLogger("mso");
private Client client = null;
protected HttpsAuthClient httpsAuthClient;
protected SystemPropertiesWrapper systemProperties;
protected final Logging loggingService;
private static final String APPLICATION_JSON = "application/json";
private static final String WITH_STATUS = " with status=";
private static final String URL_LOG = ", url=";
private static final String NO_RESPONSE_ENTITY_LOG = " No response entity, this is probably ok, e=";
private static final String WITH_URL_LOG = " with url=";
private static final String EXCEPTION_LOG = ", Exception: ";
private static final String REST_API_SUCCESSFULL_LOG = " REST api was successfull!";
private static final String REST_MSG_TEMPLATE = "start {}->{}({}, {}, {})";
@Autowired
public RestMsoImplementation(HttpsAuthClient httpsAuthClient, SystemPropertiesWrapper systemProperties, Logging loggingService){
this.httpsAuthClient=httpsAuthClient;
this.systemProperties = systemProperties;
this.loggingService = loggingService;
}
protected MultivaluedHashMap<String, Object> initMsoClient()
{
final String methodname = "initRestClient()";
final String username = systemProperties.getProperty(MsoProperties.MSO_USER_NAME);
final String password = systemProperties.getProperty(MsoProperties.MSO_PASSWORD);
final String mso_url = systemProperties.getProperty(MsoProperties.MSO_SERVER_URL);
final String decrypted_password = Password.deobfuscate(password);
String authString = username + ":" + decrypted_password;
byte[] authEncBytes = Base64.encodeBase64(authString.getBytes());
String authStringEnc = new String(authEncBytes);
MultivaluedHashMap<String, Object> commonHeaders = new MultivaluedHashMap<>();
commonHeaders.put("Authorization", Collections.singletonList(("Basic " + authStringEnc)));
boolean useSsl = true;
if ( (mso_url != null) && ( !(mso_url.isEmpty()) ) ) {
useSsl = mso_url.startsWith("https");
}
if (client == null) {
try {
if ( useSsl ) {
client = httpsAuthClient.getClient(HttpClientMode.WITHOUT_KEYSTORE);
registerClientToMetricLogClientFilter(client);
}
else {
client = HttpBasicClient.getClient();
registerClientToMetricLogClientFilter(client);
}
} catch (Exception e) {
logger.info(EELFLoggerDelegate.errorLogger,methodname + " Unable to get the SSL client");
}
}
return commonHeaders;
}
private void registerClientToMetricLogClientFilter(Client client) {
JaxRsMetricLogClientFilter metricLogClientFilter = new JaxRsMetricLogClientFilter();
client.register(metricLogClientFilter);
}
public <T> RestObject<T> GetForObject(String path, Class<T> clazz) {
final String methodName = getMethodName();
logger.debug(EELFLoggerDelegate.debugLogger, "start {}->{}({}, {})", getMethodCallerName(), methodName, path, clazz);
String url = systemProperties.getProperty(MsoProperties.MSO_SERVER_URL) + path;
logger.debug(EELFLoggerDelegate.debugLogger, "<== " + methodName + " sending request to url= " + url);
MultivaluedHashMap<String, Object> commonHeaders = initMsoClient();
loggingService.logRequest(outgoingRequestsLogger, HttpMethod.GET, url);
final Response cres = client.target(url)
.request()
.accept(APPLICATION_JSON)
.headers(commonHeaders)
.get();
loggingService.logResponse(outgoingRequestsLogger, HttpMethod.GET, url, cres);
final RestObject<T> restObject = cresToRestObject(cres, clazz);
int status = cres.getStatus();
if (status == 200 || status == 202) {
logger.debug(EELFLoggerDelegate.debugLogger, methodName + REST_API_SUCCESSFULL_LOG);
} else {
logger.debug(EELFLoggerDelegate.debugLogger,"<== " + methodName + WITH_STATUS +status+ URL_LOG +url);
}
logger.debug(EELFLoggerDelegate.debugLogger,methodName + " received status=" + status );
return restObject;
}
public <T> RestObject<T> PostForObject(Object requestDetails, String path, Class<T> clazz) {
logger.debug(EELFLoggerDelegate.debugLogger, REST_MSG_TEMPLATE, getMethodCallerName(), getMethodName(), requestDetails, path, clazz);
return restCall(HttpMethod.POST, clazz, requestDetails, path);
}
public Invocation.Builder prepareClient(String path, String methodName) {
MultivaluedHashMap<String, Object> commonHeaders = initMsoClient();
String url = systemProperties.getProperty(MsoProperties.MSO_SERVER_URL) + path;
logger.debug(EELFLoggerDelegate.debugLogger,"<== " + methodName + " sending request to url= " + url);
// Change the content length
return client.target(url)
.request()
.accept(APPLICATION_JSON)
.headers(commonHeaders);
}
public <T> RestObject<T> restCall(HttpMethod httpMethod, Class<T> tClass, Object payload, String path) {
return restCall(httpMethod, tClass, payload, path, Optional.empty());
}
/*
user id is needed to be pass as X-RequestorID in new MSO flows like Delete instanceGroup
*/
public <T> RestObject<T> restCall(HttpMethod httpMethod, Class<T> tClass, Object payload, String path, Optional<String> userId) {
String methodName = httpMethod.name();
String url="";
try {
MultivaluedHashMap<String, Object> commonHeaders = initMsoClient();
userId.ifPresent(id->commonHeaders.put("X-RequestorID", Collections.singletonList(id)));
url = systemProperties.getProperty(MsoProperties.MSO_SERVER_URL) + path;
loggingService.logRequest(outgoingRequestsLogger, httpMethod, url, payload);
// Change the content length
final Invocation.Builder restBuilder = client.target(url)
.request()
.accept(APPLICATION_JSON)
.headers(commonHeaders)
.property(ClientProperties.SUPPRESS_HTTP_COMPLIANCE_VALIDATION, true)
;
Invocation restInvocation = payload==null ?
restBuilder.build(httpMethod.name()) :
restBuilder.build(httpMethod.name(), Entity.entity(payload, MediaType.APPLICATION_JSON));
final Response cres = restInvocation.invoke();
loggingService.logResponse(outgoingRequestsLogger, httpMethod, url, cres);
return cresToRestObject(cres, tClass);
}
catch (Exception e) {
logger.debug(EELFLoggerDelegate.debugLogger,"<== " + methodName + WITH_URL_LOG +url+ EXCEPTION_LOG + e.toString());
throw e;
}
}
private <T> RestObject<T> cresToRestObject(Response cres, Class<T> tClass) {
RestObject<T> restObject = new RestObject<>();
String rawEntity = null;
try {
cres.bufferEntity();
rawEntity = cres.readEntity(String.class);
restObject.setRaw(rawEntity);
T t = JACKSON_OBJECT_MAPPER.readValue(rawEntity, tClass);
restObject.set(t);
}
catch ( Exception e ) {
try {
logger.debug(EELFLoggerDelegate.debugLogger, "<== " + getMethodCallerName() + " Error reading response entity as " + tClass + ": , e="
+ e.getMessage() + ", Entity=" + rawEntity);
} catch (Exception e2) {
logger.debug(EELFLoggerDelegate.debugLogger, "<== " + getMethodCallerName() + NO_RESPONSE_ENTITY_LOG
+ e.getMessage());
}
}
int status = cres.getStatus();
restObject.setStatusCode (status);
return restObject;
}
}
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