ResumptionController.java — netty Source File

Source Code

/*
 * Copyright 2024 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 java.net.Socket;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Collections;
import java.util.Set;
import java.util.WeakHashMap;
import java.util.concurrent.atomic.AtomicReference;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLPeerUnverifiedException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509ExtendedTrustManager;

final class ResumptionController {
    private final Set<SSLEngine> confirmedValidations;
    private final AtomicReference<ResumableX509ExtendedTrustManager> resumableTm;

    ResumptionController() {
        confirmedValidations = Collections.synchronizedSet(
                Collections.newSetFromMap(new WeakHashMap<SSLEngine, Boolean>()));
        resumableTm = new AtomicReference<ResumableX509ExtendedTrustManager>();
    }

    public TrustManager wrapIfNeeded(TrustManager tm) {
        if (tm instanceof ResumableX509ExtendedTrustManager) {
            if (!(tm instanceof X509ExtendedTrustManager)) {
                throw new IllegalStateException("ResumableX509ExtendedTrustManager implementation must be a " +
                        "subclass of X509ExtendedTrustManager, found: " + (tm == null ? null : tm.getClass()));
            }
            if (!resumableTm.compareAndSet(null, (ResumableX509ExtendedTrustManager) tm)) {
                throw new IllegalStateException(
                        "Only one ResumableX509ExtendedTrustManager can be configured for resumed sessions");
            }
            return new X509ExtendedWrapTrustManager((X509ExtendedTrustManager) tm, confirmedValidations);
        }
        return tm;
    }

    public void remove(SSLEngine engine) {
        if (resumableTm.get() != null) {
            confirmedValidations.remove(unwrapEngine(engine));
        }
// ... (128 more lines)