nl.altindag.ssl.util.SSLParametersUtils 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.util;

import javax.net.ssl.SSLParameters;
import java.util.Optional;

public final class SSLParametersUtils {

    private SSLParametersUtils() {
    }

    public static SSLParameters copy(SSLParameters source) {
        SSLParameters target = new SSLParameters();
        target.setProtocols(source.getProtocols());
        target.setCipherSuites(source.getCipherSuites());
        if (source.getWantClientAuth()) {
            target.setWantClientAuth(true);
        }

        if (source.getNeedClientAuth()) {
            target.setNeedClientAuth(true);
        }
        return target;
    }

    public static SSLParameters merge(SSLParameters baseSslParameters, SSLParameters alternativeSslParameters) {
        SSLParameters target = new SSLParameters();

        String[] ciphers = Optional.ofNullable(baseSslParameters.getCipherSuites())
                .orElseGet(alternativeSslParameters::getCipherSuites);
        String[] protocols = Optional.ofNullable(baseSslParameters.getProtocols())
                .orElseGet(alternativeSslParameters::getProtocols);

        target.setCipherSuites(ciphers);
        target.setProtocols(protocols);

        boolean wantClientAuth = baseSslParameters.getWantClientAuth() ? baseSslParameters.getWantClientAuth() : alternativeSslParameters.getWantClientAuth();
        if (wantClientAuth) {
            target.setWantClientAuth(true);
        }

        boolean needClientAuth = baseSslParameters.getNeedClientAuth() ? baseSslParameters.getNeedClientAuth() : alternativeSslParameters.getNeedClientAuth();
        if (needClientAuth) {
            target.setNeedClientAuth(true);
        }

        return target;
    }

}