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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 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.openecomp.sdc.common.http.client.api;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.HttpClientConnectionManager;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustSelfSignedStrategy;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.ssl.SSLContextBuilder;
import org.openecomp.sdc.common.api.Constants;
import org.openecomp.sdc.common.http.config.ClientCertificate;
import org.openecomp.sdc.common.log.wrappers.Logger;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
public class HttpConnectionMngFactory {
private static final String P12_KEYSTORE_EXTENTION = ".p12";
private static final String PFX_KEYSTORE_EXTENTION = ".pfx";
private static final String JKS_KEYSTORE_EXTENTION = ".jks";
private static final String P12_KEYSTORE_TYPE = "pkcs12";
private static final String JKS_KEYSTORE_TYPE = "jks";
private static final Logger logger = Logger.getLogger(HttpConnectionMngFactory.class.getName());
private static final int DEFAULT_CONNECTION_POOL_SIZE = 30;
private static final int DEFAULT_MAX_CONNECTION_PER_ROUTE = 5;
private static final int VALIDATE_CONNECTION_AFTER_INACTIVITY_MS = 10000;
private Map<ClientCertificate, HttpClientConnectionManager> sslClientConnectionManagers = new ConcurrentHashMap<>();
private HttpClientConnectionManager plainClientConnectionManager;
HttpConnectionMngFactory() {
plainClientConnectionManager = createConnectionMng(null);
}
HttpClientConnectionManager getOrCreate(ClientCertificate clientCertificate) {
if(clientCertificate == null) {
return plainClientConnectionManager;
}
return sslClientConnectionManagers.computeIfAbsent(clientCertificate, k -> createConnectionMng(clientCertificate));
}
private HttpClientConnectionManager createConnectionMng(ClientCertificate clientCertificate) {
SSLContextBuilder sslContextBuilder = new SSLContextBuilder();
SSLConnectionSocketFactory sslsf = null;
try {
sslContextBuilder.loadTrustMaterial(new TrustSelfSignedStrategy());
if(clientCertificate != null) {
setClientSsl(clientCertificate, sslContextBuilder);
}
sslsf = new SSLConnectionSocketFactory(sslContextBuilder.build(), NoopHostnameVerifier.INSTANCE);
}
catch (GeneralSecurityException e) {
logger.debug("Create SSL connection socket factory failed with exception, use default SSL factory ", e);
sslsf = SSLConnectionSocketFactory.getSocketFactory();
}
Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
.register(Constants.HTTP, PlainConnectionSocketFactory.getSocketFactory())
.register(Constants.HTTPS, sslsf).build();
PoolingHttpClientConnectionManager manager = new PoolingHttpClientConnectionManager(registry);
manager.setMaxTotal(DEFAULT_CONNECTION_POOL_SIZE);
manager.setDefaultMaxPerRoute(DEFAULT_MAX_CONNECTION_PER_ROUTE);
manager.setValidateAfterInactivity(VALIDATE_CONNECTION_AFTER_INACTIVITY_MS);
return manager;
}
private void setClientSsl(ClientCertificate clientCertificate, SSLContextBuilder sslContextBuilder) {
try {
char[] keyStorePassword = clientCertificate.getKeyStorePassword().toCharArray();
KeyStore clientKeyStore = createClientKeyStore(clientCertificate.getKeyStore(), keyStorePassword);
sslContextBuilder.loadKeyMaterial(clientKeyStore, keyStorePassword);
logger.debug("#setClientSsl - Set Client Certificate authentication");
}
catch (IOException | GeneralSecurityException e) {
logger.debug("#setClientSsl - Set Client Certificate authentication failed with exception, diasable client SSL authentication ", e);
}
}
private KeyStore createClientKeyStore(String keyStorePath, char[] keyStorePassword) throws IOException, GeneralSecurityException {
KeyStore keyStore = null;
try (InputStream stream = new FileInputStream(keyStorePath)) {
keyStore = KeyStore.getInstance(getKeyStoreType(keyStorePath));
keyStore.load(stream, keyStorePassword);
}
return keyStore;
}
private String getKeyStoreType(String keyStore) {
if(!StringUtils.isEmpty(keyStore)) {
if(keyStore.endsWith(P12_KEYSTORE_EXTENTION) || keyStore.endsWith(PFX_KEYSTORE_EXTENTION)) {
return P12_KEYSTORE_TYPE;
}
else if(keyStore.endsWith(JKS_KEYSTORE_EXTENTION)) {
return JKS_KEYSTORE_TYPE;
}
}
return KeyStore.getDefaultType();
}
}
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