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/*-
* ============LICENSE_START=======================================================
* VID
* ================================================================================
* Copyright (C) 2018 Nokia. 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.aai.util;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.vid.aai.exceptions.HttpClientBuilderException;
import javax.net.ssl.*;
import java.io.FileInputStream;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import java.security.cert.X509Certificate;
public class SSLContextProvider {
private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(SSLContextProvider.class);
public SSLContext getSslContext(String keystorePath, String keystorePassword, HttpClientMode httpClientMode) throws HttpClientBuilderException {
try {
final SSLContext ctx = SSLContext.getInstance("TLSv1.2");
KeyManager[] keyManagers = getKeyManagerFactory(keystorePath, keystorePassword, httpClientMode);
ctx.init(keyManagers, getTrustManager(httpClientMode), null);
return ctx;
} catch (IOException | GeneralSecurityException e) {
logger.debug(EELFLoggerDelegate.debugLogger, "Error setting up ssl context.");
throw new HttpClientBuilderException(e);
}
}
/**
* @param keystorePath
* @param keystorePassword - in clear
* @return
* @throws IOException
* @throws GeneralSecurityException
*/
private KeyManager[] getKeyManagerFactory(String keystorePath, String keystorePassword, HttpClientMode httpClientMode) throws IOException, GeneralSecurityException {
switch (httpClientMode) {
case WITH_KEYSTORE:
final KeyManagerFactory kmf;
try (FileInputStream fin = new FileInputStream(keystorePath)) {
kmf = KeyManagerFactory.getInstance("SunX509");
KeyStore ks = KeyStore.getInstance("PKCS12");
char[] pwd = keystorePassword.toCharArray();
ks.load(fin, pwd);
kmf.init(ks, pwd);
} catch (Exception e) {
logger.debug(EELFLoggerDelegate.debugLogger, "Error setting up kmf");
logger.error(EELFLoggerDelegate.errorLogger, "Error setting up kmf (keystore path: {}, deobfuascated keystore password: {})", keystorePath, keystorePassword, e);
throw e;
}
return kmf.getKeyManagers();
case WITHOUT_KEYSTORE:
return null;
default:
logger.debug(EELFLoggerDelegate.debugLogger, "Error setting up getKeyManagerFactory. HttpClientMode is " + httpClientMode);
throw new IllegalStateException("Error setting up getKeyManagerFactory. HttpClientMode is " + httpClientMode);
}
}
private TrustManager[] getTrustManager(HttpClientMode httpClientMode) {
//Creating a trustManager that will accept all certificates.
//TODO - remove this one the POMBA certificate is added to the tomcat_keystore file
TrustManager[] trustAllCerts = null;
if (httpClientMode == HttpClientMode.UNSECURE) {
trustAllCerts = new TrustManager[]{new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return new java.security.cert.X509Certificate[]{};
}
public void checkClientTrusted(X509Certificate[] certs, String authType) {
// trust all
}
public void checkServerTrusted(X509Certificate[] certs, String authType) {
// trust all
}
}};
}
return trustAllCerts;
}
}
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