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/*-
* ============LICENSE_START=======================================================
* org.openecomp.aai
* ================================================================================
* Copyright (C) 2017 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.openecomp.aai.dmaap.aaiWorkload.consumer;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.SocketTimeoutException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.util.UUID;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import org.json.JSONObject;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.util.AAIConfig;
import org.openecomp.aai.util.AAIConstants;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.client.urlconnection.HTTPSProperties;
public class AAIClient {
private Client restClient = null;
private int baseTimeout = 5000;
private int numRetriesOnTimeout = 0;
public AAIClient() throws KeyManagementException, NoSuchAlgorithmException, AAIException, UnrecoverableKeyException, KeyStoreException, CertificateException, IOException {
this.restClient = initClient();
}
/**
*
* @param baseTimeout
* min value of 5000ms
* @param numRetriesOnTimeout
* max value 5 (will default to 4 for any value higher
* @throws KeyManagementException
* @throws NoSuchAlgorithmException
* @throws AAIException
* @throws UnrecoverableKeyException
* @throws KeyStoreException
* @throws CertificateException
* @throws IOException
*/
public AAIClient(int baseTimeout, int numRetriesOnTimeout)
throws KeyManagementException, NoSuchAlgorithmException, AAIException, UnrecoverableKeyException, KeyStoreException, CertificateException, IOException {
this.restClient = initClient();
if (baseTimeout > 0) {
this.baseTimeout = baseTimeout;
}
if (numRetriesOnTimeout > 0) {
this.numRetriesOnTimeout = numRetriesOnTimeout;
}
if (this.numRetriesOnTimeout > 5) {
this.numRetriesOnTimeout = 5;
}
}
/**
* @return
* @throws AAIException
* @throws NoSuchAlgorithmException
* @throws KeyManagementException
* @throws KeyStoreException
* @throws IOException
* @throws CertificateException
* @throws UnrecoverableKeyException
*/
private Client initClient()
throws AAIException, NoSuchAlgorithmException, KeyManagementException, KeyStoreException, CertificateException, IOException, UnrecoverableKeyException {
ClientConfig config = new DefaultClientConfig();
SSLContext ctx = null;
String truststore_path = AAIConstants.AAI_HOME_ETC_AUTH + AAIConfig.get(AAIConstants.AAI_TRUSTSTORE_FILENAME);
String truststore_password = AAIConfig.get(AAIConstants.AAI_TRUSTSTORE_PASSWD);
String keystore_path = AAIConstants.AAI_HOME_ETC_AUTH + AAIConfig.get(AAIConstants.AAI_KEYSTORE_FILENAME);
String keystore_password = AAIConfig.get(AAIConstants.AAI_KEYSTORE_PASSWD);
System.setProperty("javax.net.ssl.trustStore", truststore_path);
System.setProperty("javax.net.ssl.trustStorePassword", truststore_password);
HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
public boolean verify(String string, SSLSession ssls) {
return true;
}
});
ctx = SSLContext.getInstance("TLSv1.2");
KeyManagerFactory kmf = null;
kmf = KeyManagerFactory.getInstance("SunX509");
FileInputStream fin = new FileInputStream(keystore_path);
KeyStore ks = KeyStore.getInstance("PKCS12");
char[] pwd = keystore_password.toCharArray();
ks.load(fin, pwd);
kmf.init(ks, pwd);
ctx.init(kmf.getKeyManagers(), null, null);
config.getProperties().put(HTTPSProperties.PROPERTY_HTTPS_PROPERTIES, new HTTPSProperties(new HostnameVerifier() {
@Override
public boolean verify(String s, SSLSession sslSession) {
return true;
}
}, ctx));
return Client.create(config);
}
public ClientResponse put(String restUri, JSONObject eventBody, String sourceName) throws Exception {
int tries = 1;
ClientResponse response;
WebResource webResource;
while (true) {
try {
this.restClient.setConnectTimeout(tries * this.baseTimeout);
webResource = restClient.resource(AAIConfig.get("aai.server.url") + restUri);
response = webResource.accept("application/json").header("X-FromAppId", "aaiWorkload-dmaap-" + sourceName).header("X-TransactionId", UUID.randomUUID())
.type("application/json").put(ClientResponse.class, eventBody.toString());
return response;
} catch (Exception e) {
if (e instanceof SocketTimeoutException && tries < this.numRetriesOnTimeout + 1) {
tries++;
} else {
throw e;
}
}
}
}
}
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