001/*
002 * The contents of this file are subject to the terms of the Common Development and
003 * Distribution License (the License). You may not use this file except in compliance with the
004 * License.
005 *
006 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
007 * specific language governing permission and limitations under the License.
008 *
009 * When distributing Covered Software, include this CDDL Header Notice in each file and include
010 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
011 * Header, with the fields enclosed by brackets [] replaced by your own identifying
012 * information: "Portions copyright [year] [name of copyright owner]".
013 *
014 * Copyright 2014 ForgeRock AS.
015 */
016
017package org.forgerock.openig.security;
018
019import static java.lang.String.*;
020
021import java.security.KeyStore;
022
023import javax.net.ssl.TrustManager;
024import javax.net.ssl.TrustManagerFactory;
025
026import org.forgerock.json.JsonValue;
027import org.forgerock.openig.heap.GenericHeaplet;
028import org.forgerock.openig.heap.HeapException;
029
030/**
031 * Represents an SSL Java {@link TrustManager}.
032 * <pre>
033 *     {@code
034 *     {
035 *         "name": "MyTrustManager",
036 *         "type": "TrustManager",
037 *         "config": {
038 *             "keystore": "MyKeyStore",
039 *             "alg": "SunX509"
040 *         }
041 *     }
042 *     }
043 * </pre>
044 * <ul>
045 *     <li>{@literal keystore}: Reference a KeyStore heap object (string, required).</li>
046 *     <li>{@literal alg}: Trust manager algorithm (defaults to platform's default type) (string, optional).</li>
047 * </ul>
048 * @since 3.1
049 */
050public class TrustManagerHeaplet extends GenericHeaplet {
051
052    @Override
053    public Object create() throws HeapException {
054        JsonValue storeRef = config.get("keystore").required();
055        KeyStore keyStore = heap.resolve(storeRef, KeyStore.class);
056        String algorithm = config.get("alg").defaultTo(TrustManagerFactory.getDefaultAlgorithm()).asString();
057
058        TrustManagerFactory factory;
059        try {
060            factory = TrustManagerFactory.getInstance(algorithm);
061            factory.init(keyStore);
062        } catch (Exception e) {
063            throw new HeapException(loadingError(algorithm, storeRef), e);
064        }
065
066        // Retrieve manager
067        TrustManager[] managers = factory.getTrustManagers();
068        if (managers.length == 1) {
069            return managers[0];
070        } else if (managers.length > 1) {
071            logger.warning("Only the first TrustManager will be selected");
072            return managers[0];
073        }
074        throw new HeapException(loadingError(algorithm, storeRef));
075
076    }
077
078    private String loadingError(final String algorithm, final JsonValue reference) {
079        return format("Cannot build TrustManager[alg:%s] from KeyStore %s",
080                      algorithm,
081                      reference.asString());
082    }
083}