ConscryptAlpnSslEngine.java — netty Source File

Source Code

/*
 * Copyright 2017 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;

import static io.netty.handler.ssl.SslUtils.toSSLHandshakeException;
import static io.netty.util.internal.ObjectUtil.checkNotNull;
import static java.lang.Math.min;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.handler.ssl.JdkApplicationProtocolNegotiator.ProtocolSelectionListener;
import io.netty.handler.ssl.JdkApplicationProtocolNegotiator.ProtocolSelector;
import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLEngineResult;
import javax.net.ssl.SSLException;

import io.netty.util.internal.EmptyArrays;
import io.netty.util.internal.SystemPropertyUtil;
import org.conscrypt.AllocatedBuffer;
import org.conscrypt.BufferAllocator;
import org.conscrypt.Conscrypt;
import org.conscrypt.HandshakeListener;

/**
 * A {@link JdkSslEngine} that uses the Conscrypt provider or SSL with ALPN.
 */
abstract class ConscryptAlpnSslEngine extends JdkSslEngine {
    private static final boolean USE_BUFFER_ALLOCATOR = SystemPropertyUtil.getBoolean(
            "io.netty.handler.ssl.conscrypt.useBufferAllocator", true);

    static ConscryptAlpnSslEngine newClientEngine(SSLEngine engine, ByteBufAllocator alloc,
            JdkApplicationProtocolNegotiator applicationNegotiator) {
        return new ClientEngine(engine, alloc, applicationNegotiator);
    }

    static ConscryptAlpnSslEngine newServerEngine(SSLEngine engine, ByteBufAllocator alloc,
            JdkApplicationProtocolNegotiator applicationNegotiator) {
        return new ServerEngine(engine, alloc, applicationNegotiator);
    }

    private ConscryptAlpnSslEngine(SSLEngine engine, ByteBufAllocator alloc, List<String> protocols) {
        super(engine);

// ... (153 more lines)