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/*
* Copyright 2020-2021 Huawei Technologies Co., Ltd.
*
* 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.
*/
package org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.csm.connect;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.common.restclient.SystemEnvVariablesFactory;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.constant.Constant;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import net.sf.json.JSONObject;
/**
* SSL context
* .</br>
*
* @author
* @version VFC 1.0 Sep 14, 2016
*/
public class AbstractSslContext {
private static final Logger LOG = LoggerFactory.getLogger(AbstractSslContext.class);
protected AbstractSslContext() {
// constructor
}
private static SSLContext getSSLContext() throws NoSuchAlgorithmException {
return SSLContext.getInstance("TLSv1.2");
}
protected static SSLContext getAnonymousSSLContext() throws GeneralSecurityException {
SSLContext sslContext = getSSLContext();
sslContext.init(null, new TrustManager[] {new MyTrustManager()}, new SecureRandom());
return sslContext;
}
protected static SSLContext getCertificateSSLContext() throws GeneralSecurityException {
SSLContext sslContext = getSSLContext();
JSONObject sslConf = null;
try {
sslConf = readSSLConfToJson();
} catch(Exception e) {
LOG.error("readSSLConfToJson error", e);
}
sslContext.init(createKeyManager(sslConf), createTrustManager(sslConf), new SecureRandom());
return sslContext;
}
protected static KeyManager[] createKeyManager(JSONObject sslConf) {
KeyManager[] kms = null;
try {
String CERT_STORE = "etc/conf/server.p12";
String CERT_STORE_PASSWORD = "Changeme_123"; // NOSONAR
String KEY_STORE_TYPE = "PKCS12";
if(sslConf != null) {
CERT_STORE = sslConf.getString("keyStore");
CERT_STORE_PASSWORD = sslConf.getString("keyStorePass");
KEY_STORE_TYPE = sslConf.getString("keyStoreType");
}
// load jks file
try(FileInputStream f_certStore = new FileInputStream(CERT_STORE)) {
KeyStore ks = KeyStore.getInstance(KEY_STORE_TYPE);
ks.load(f_certStore, CERT_STORE_PASSWORD.toCharArray());
// init and create
String alg = KeyManagerFactory.getDefaultAlgorithm();
KeyManagerFactory kmFact = KeyManagerFactory.getInstance(alg);
kmFact.init(ks, CERT_STORE_PASSWORD.toCharArray());
kms = kmFact.getKeyManagers();
}
} catch(Exception e) {
LOG.error("create KeyManager fail!", e);
}
return kms;
}
protected static TrustManager[] createTrustManager(JSONObject sslConf) {
TrustManager[] tms = null;
try {
String TRUST_STORE = "etc/conf/trust.jks";
String TRUST_STORE_PASSWORD = "Changeme_123"; // NOSONAR
String TRUST_STORE_TYPE = "jks";
if(sslConf != null) {
TRUST_STORE = sslConf.getString("trustStore");
TRUST_STORE_PASSWORD = sslConf.getString("trustStorePass");
TRUST_STORE_TYPE = sslConf.getString("trustStoreType");
}
try(FileInputStream f_trustStore = new FileInputStream(TRUST_STORE)) {
KeyStore ks = KeyStore.getInstance(TRUST_STORE_TYPE);
ks.load(f_trustStore, TRUST_STORE_PASSWORD.toCharArray());
String alg = TrustManagerFactory.getDefaultAlgorithm();
TrustManagerFactory tmFact = TrustManagerFactory.getInstance(alg);
tmFact.init(ks);
tms = tmFact.getTrustManagers();
}
} catch(Exception e) {
LOG.error("create TrustManager fail!", e);
}
return tms;
}
/**
* readSSLConfToJson
*
* @return
* @throws IOException
* @since VFC 1.0
*/
public static JSONObject readSSLConfToJson() throws IOException {
JSONObject sslJson = null;
String fileContent = "";
String fileName = SystemEnvVariablesFactory.getInstance().getAppRoot()
+ System.getProperty(Constant.FILE_SEPARATOR) + "etc" + System.getProperty(Constant.FILE_SEPARATOR)
+ "conf" + System.getProperty(Constant.FILE_SEPARATOR) + "sslconf.json";
try (InputStream ins = new FileInputStream(fileName)) {
try(BufferedInputStream bins = new BufferedInputStream(ins)) {
byte[] contentByte = new byte[ins.available()];
int num = bins.read(contentByte);
if(num > 0) {
fileContent = new String(contentByte);
}
sslJson = JSONObject.fromObject(fileContent);
}
} catch(FileNotFoundException e) {
LOG.error(fileName + "is not found!", e);
} catch(Exception e) {
LOG.error("read sslconf file fail.please check if the 'sslconf.json' is exist.", e);
}
return sslJson;
}
private static class MyTrustManager implements X509TrustManager {
TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
private MyTrustManager() throws NoSuchAlgorithmException{
}
@Override
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[] {};
}
@Override
public void checkServerTrusted(X509Certificate[] certs, String authType) throws CertificateException {
try {
tmf.init((KeyStore)null);
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
//Get hold of default trust manager
X509TrustManager x509Tm = null;
for(TrustManager tm: tmf.getTrustManagers())
{
if(tm instanceof X509TrustManager) {
x509Tm = (X509TrustManager) tm;
break;
}
}
//Wrap it in your own class
final X509TrustManager finalTm = x509Tm;
finalTm.checkServerTrusted(certs, authType);
}
@Override
public void checkClientTrusted(X509Certificate[] certs, String authType) throws CertificateException {
try {
tmf.init((KeyStore)null);
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
//Get hold of default trust manager
X509TrustManager x509Tm = null;
for(TrustManager tm: tmf.getTrustManagers())
{
if(tm instanceof X509TrustManager) {
x509Tm = (X509TrustManager) tm;
break;
}
}
//Wrap it in your own class
final X509TrustManager finalTm = x509Tm;
finalTm.checkClientTrusted(certs, authType);
}
}
}
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