SimpleKeyManagerFactory.java — netty Source File

Source Code

/*
 * Copyright 2019 The Netty Project
 *
 * The Netty Project 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:
 *
 *   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 io.netty.handler.ssl.util;

import io.netty.util.concurrent.FastThreadLocal;
import io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.StringUtil;

import java.security.InvalidAlgorithmParameterException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.Provider;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.KeyManagerFactorySpi;
import javax.net.ssl.ManagerFactoryParameters;
import javax.net.ssl.X509ExtendedKeyManager;
import javax.net.ssl.X509KeyManager;

/**
 * Helps to implement a custom {@link KeyManagerFactory}.
 */
public abstract class SimpleKeyManagerFactory extends KeyManagerFactory {

    private static final Provider PROVIDER = new Provider("", 0.0, "") {
        private static final long serialVersionUID = -2680540247105807895L;
    };

    /**
     * {@link SimpleKeyManagerFactorySpi} must have a reference to {@link SimpleKeyManagerFactory}
     * to delegate its callbacks back to {@link SimpleKeyManagerFactory}.  However, it is impossible to do so,
     * because {@link KeyManagerFactory} requires {@link KeyManagerFactorySpi} at construction time and
     * does not provide a way to access it later.
     *
     * To work around this issue, we use an ugly hack which uses a {@link FastThreadLocal }.
     */
    private static final FastThreadLocal<SimpleKeyManagerFactorySpi> CURRENT_SPI =
            new FastThreadLocal<SimpleKeyManagerFactorySpi>() {
                @Override
                protected SimpleKeyManagerFactorySpi initialValue() {
                    return new SimpleKeyManagerFactorySpi();
                }
            };

    /**
     * Creates a new instance.
// ... (91 more lines)