nl.altindag.ssl.trustmanager.CompositeX509ExtendedTrustManager Maven / Gradle / Ivy

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/*
 * Copyright 2019 Thunderberry.
 *
 * 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
 *
 *      https://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 nl.altindag.ssl.trustmanager;

import javax.net.ssl.SSLEngine;
import javax.net.ssl.X509ExtendedTrustManager;
import java.net.Socket;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

/**
 * {@link CompositeX509ExtendedTrustManager} is a wrapper for a collection of TrustManagers.
 * It has the ability to validate a certificate chain against multiple TrustManagers.
 * If any one of the composed managers trusts a certificate chain, then it is trusted by the composite manager.
 * The TrustManager can be build from one or more of any combination provided within the {@link nl.altindag.ssl.util.TrustManagerUtils.TrustManagerBuilder TrustManagerUtils.TrustManagerBuilder}.
 * 


 * This includes:
 *  *     - Any amount of custom TrustManagers
 *     - Any amount of custom TrustStores
 * 
 *
 * 
 * NOTE:
 * Please don't use this class directly as it is part of the internal API. Class name and methods can be changed any time.
 * Instead use the {@link nl.altindag.ssl.util.TrustManagerUtils TrustManagerUtils} which provides the same functionality
 * while it has a stable API because it is part of the public API.
 * 
 *
 * @see 
 *     http://stackoverflow.com/questions/1793979/registering-multiple-keystores-in-jvm
 *     
 * @see 
 *     http://codyaray.com/2013/04/java-ssl-with-multiple-keystores
 *     
 *
 * @author Cody Ray
 * @author Hakan Altindag
 */
public final class CompositeX509ExtendedTrustManager extends X509ExtendedTrustManager implements CombinableX509TrustManager {

    private final List trustManagers;

    public CompositeX509ExtendedTrustManager(List trustManagers) {
        this.trustManagers = Collections.unmodifiableList(trustManagers);
    }

    @Override
    public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
        checkTrusted(trustManager -> trustManager.checkClientTrusted(chain, authType));
    }

    @Override
    public void checkClientTrusted(X509Certificate[] chain, String authType, Socket socket) throws CertificateException {
        checkTrusted(trustManager -> trustManager.checkClientTrusted(chain, authType, socket));
    }

    @Override
    public void checkClientTrusted(X509Certificate[] chain, String authType, SSLEngine sslEngine) throws CertificateException {
        checkTrusted(trustManager -> trustManager.checkClientTrusted(chain, authType, sslEngine));
    }

    @Override
    public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
        checkTrusted(trustManager -> trustManager.checkServerTrusted(chain, authType));
    }

    @Override
    public void checkServerTrusted(X509Certificate[] chain, String authType, Socket socket) throws CertificateException {
        checkTrusted(trustManager -> trustManager.checkServerTrusted(chain, authType, socket));
    }

    @Override
    public void checkServerTrusted(X509Certificate[] chain, String authType, SSLEngine sslEngine) throws CertificateException {
        checkTrusted(trustManager -> trustManager.checkServerTrusted(chain, authType, sslEngine));
    }

    @Override
    public X509Certificate[] getAcceptedIssuers() {
        return trustManagers.stream()
                .map(X509ExtendedTrustManager::getAcceptedIssuers)
                .flatMap(Arrays::stream)
                .toArray(X509Certificate[]::new);
    }

    @Override
    public List getInnerTrustManagers() {
        return trustManagers;
    }

}