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/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* Copyright (C) 2018 NOKIA 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.pnfsimulator.simulator.client;
import static org.onap.pnfsimulator.logging.MDCVariables.REQUEST_ID;
import static org.onap.pnfsimulator.logging.MDCVariables.X_INVOCATION_ID;
import static org.onap.pnfsimulator.logging.MDCVariables.X_ONAP_REQUEST_ID;
import static org.onap.pnfsimulator.logging.MDCVariables.AUTHORIZATION;
import org.springframework.web.client.ResourceAccessException;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;
import org.springframework.http.HttpEntity;
import org.springframework.http.ResponseEntity;
import org.springframework.http.HttpHeaders;
import java.util.UUID;
import org.springframework.web.client.HttpClientErrorException;
import org.apache.http.client.config.RequestConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;
import org.slf4j.Marker;
import org.slf4j.MarkerFactory;
public class RestTemplateAdapterImpl implements RestTemplateAdapter {
private static final Logger LOGGER = LoggerFactory.getLogger(RestTemplateAdapterImpl.class);
private static final String CONTENT_TYPE = "Content-Type";
private static final String APPLICATION_JSON = "application/json";
private final Marker INVOKE = MarkerFactory.getMarker("INVOKE");
private static final RequestConfig CONFIG = RequestConfig.custom()
.setConnectTimeout(1000)
.setConnectionRequestTimeout(1000)
.setSocketTimeout(1000)
.build();
private RestTemplate restTemplate;
public RestTemplateAdapterImpl() {
try {
this.restTemplate = createRestTemplate();
} catch (KeyStoreException | NoSuchAlgorithmException | KeyManagementException ex) {
LOGGER.warn("Error while creating a RestTemplate object: {}", ex.getMessage());
}
}
RestTemplateAdapterImpl(RestTemplate restTemplate) {
this.restTemplate = restTemplate;
}
@Override
public void send(String content, String url) {
try {
HttpEntity<String> entity = createPostEntity(content);
ResponseEntity<String> response = restTemplate.postForEntity(url, entity, String.class);
LOGGER.info(INVOKE, "Message sent, ves response code: {}", response.getStatusCode());
} catch (HttpClientErrorException codeEx) {
LOGGER.warn("Response body: ", codeEx.getResponseBodyAsString());
LOGGER.warn("Error sending message to ves: {}", codeEx.getMessage());
LOGGER.warn("URL: {}", url);
} catch (ResourceAccessException ioEx) {
LOGGER.warn("The URL cannot be reached: {}", ioEx.getMessage());
LOGGER.warn("URL: {}", url);
}
}
private CloseableHttpClient createClient()
throws KeyStoreException, NoSuchAlgorithmException, KeyManagementException {
TrustManager[] trustAllCerts = new TrustManager[] {
new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[0];
}
public void checkClientTrusted(
java.security.cert.X509Certificate[] certs,
String authType) {}
public void checkServerTrusted(
java.security.cert.X509Certificate[] certs,
String authType) {}
}
};
SSLContext sslContext = SSLContext.getInstance("TLS");
sslContext.init(
null,
trustAllCerts,
new java.security.SecureRandom()
);
CloseableHttpClient httpClient = HttpClients
.custom()
.setSSLContext(sslContext)
.setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE)
.build();
return httpClient;
}
private RestTemplate createRestTemplate()
throws KeyStoreException, NoSuchAlgorithmException, KeyManagementException {
CloseableHttpClient client = createClient();
HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory();
requestFactory.setHttpClient(client);
return new RestTemplate(requestFactory);
}
private HttpEntity createPostEntity(String content) {
HttpHeaders headers = new HttpHeaders();
headers.set(CONTENT_TYPE, APPLICATION_JSON);
headers.set(AUTHORIZATION, MDC.get(AUTHORIZATION));
headers.set(X_ONAP_REQUEST_ID, MDC.get(REQUEST_ID));
headers.set(X_INVOCATION_ID, UUID.randomUUID().toString());
return new HttpEntity<>(content, headers);
}
}
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