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A Java 9+ compliant fork of Not-Yet-Commons-SSL
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/*
 * $HeadURL: file:///opt/dev/not-yet-commons-ssl-SVN-repo/tags/commons-ssl-0.3.17/src/java/org/apache/commons/ssl/Java13TrustManagerWrapper.java $
 * $Revision: 138 $
 * $Date: 2008-03-03 23:50:07 -0800 (Mon, 03 Mar 2008) $
 *
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 *
 */

package org.apache.commons.ssl;

import com.sun.net.ssl.X509TrustManager;

import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

/**
 * @author Credit Union Central of British Columbia
 * @author www.cucbc.com
 * @author [email protected]
 * @since 30-Jun-2006
 */
public class Java13TrustManagerWrapper implements X509TrustManager {

    private final X509TrustManager trustManager;
    private final TrustChain trustChain;
    private final SSL ssl;

    public Java13TrustManagerWrapper(X509TrustManager m, TrustChain tc, SSL h) {
        this.trustManager = m;
        this.trustChain = tc;
        this.ssl = h;
    }

    public boolean isClientTrusted(X509Certificate[] chain) {
        ssl.setCurrentClientChain(chain);
        boolean firstTest = trustManager.isClientTrusted(chain);
        return test(firstTest, chain);
    }

    public boolean isServerTrusted(X509Certificate[] chain) {
        ssl.setCurrentServerChain(chain);
        boolean firstTest = trustManager.isServerTrusted(chain);
        return test(firstTest, chain);
    }

    public X509Certificate[] getAcceptedIssuers() {
        if ( trustChain.containsTrustAll()) {
            // This means we accept all issuers.
            return new X509Certificate[0];
        } else {
            return trustManager.getAcceptedIssuers();
        }
    }

    private boolean test(boolean firstTest, X509Certificate[] chain) {
        // Even if the first test failed, we might still be okay as long as
        // this SSLServer or SSLClient is setup to trust all certificates.
        if (!firstTest) {
            if (!trustChain.contains(TrustMaterial.TRUST_ALL)) {
                return false;
            }
        }
        try {
            for (int i = 0; i < chain.length; i++) {
                X509Certificate c = chain[i];
                if (ssl.getCheckExpiry()) {
                    c.checkValidity();
                }
                if (ssl.getCheckCRL()) {
                    Certificates.checkCRL(c);
                }
            }
            return true;
        }
        catch (CertificateException ce) {
            return false;
        }
    }

}