ConscryptServerTlsStrategy

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 * to you under the Apache License, Version 2.0 (the
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package org.apache.hc.core5.http2.ssl;

import java.net.SocketAddress;

import javax.net.ssl.SSLContext;

import org.apache.hc.core5.http.HttpHost;
import org.apache.hc.core5.http.nio.ssl.FixedPortStrategy;
import org.apache.hc.core5.http.nio.ssl.SecurePortStrategy;
import org.apache.hc.core5.http.nio.ssl.TlsStrategy;
import org.apache.hc.core5.reactor.ssl.SSLBufferMode;
import org.apache.hc.core5.reactor.ssl.SSLSessionInitializer;
import org.apache.hc.core5.reactor.ssl.SSLSessionVerifier;
import org.apache.hc.core5.reactor.ssl.TransportSecurityLayer;
import org.apache.hc.core5.util.Args;
import org.apache.hc.core5.util.Timeout;

/**
 * Basic side-side implementation of {@link TlsStrategy} that upgrades to TLS for endpoints
 * with the specified local ports.
 *
 * @since 5.0
 */
public class ConscryptServerTlsStrategy implements TlsStrategy {

    private final SSLContext sslContext;
    @SuppressWarnings("deprecation")
    private final SecurePortStrategy securePortStrategy;
    private final SSLBufferMode sslBufferMode;
    private final SSLSessionInitializer initializer;
    private final SSLSessionVerifier verifier;

    /**
     * @deprecated Use {@link ConscryptServerTlsStrategy#ConscryptServerTlsStrategy(SSLContext, SSLBufferMode, SSLSessionInitializer, SSLSessionVerifier)}
     */
    @Deprecated
    public ConscryptServerTlsStrategy(
            final SSLContext sslContext,
            final SecurePortStrategy securePortStrategy,
            final SSLBufferMode sslBufferMode,
            final SSLSessionInitializer initializer,
            final SSLSessionVerifier verifier) {
        this.sslContext = Args.notNull(sslContext, "SSL context");
        this.securePortStrategy = securePortStrategy;
        this.sslBufferMode = sslBufferMode;
        this.initializer = initializer;
        this.verifier = verifier;
    }

    /**
     * @deprecated Use {@link ConscryptServerTlsStrategy#ConscryptServerTlsStrategy(SSLContext, SSLSessionInitializer, SSLSessionVerifier)}
     */
    @Deprecated
    public ConscryptServerTlsStrategy(
            final SSLContext sslContext,
            final SecurePortStrategy securePortStrategy,
            final SSLSessionInitializer initializer,
            final SSLSessionVerifier verifier) {
        this(sslContext, securePortStrategy, null, initializer, verifier);
    }

    /**
     * @deprecated Use {@link ConscryptServerTlsStrategy#ConscryptServerTlsStrategy(SSLContext, SSLSessionVerifier)}
     */
    @Deprecated
    public ConscryptServerTlsStrategy(
            final SSLContext sslContext,
            final SecurePortStrategy securePortStrategy,
            final SSLSessionVerifier verifier) {
        this(sslContext, securePortStrategy, null, null, verifier);
    }

    /**
     * @deprecated Use {@link ConscryptServerTlsStrategy#ConscryptServerTlsStrategy(SSLContext)}
     */
    @Deprecated
    public ConscryptServerTlsStrategy(final SSLContext sslContext, final SecurePortStrategy securePortStrategy) {
        this(sslContext, securePortStrategy, null, null, null);
    }

    /**
     * @deprecated Use {@link ConscryptServerTlsStrategy#ConscryptServerTlsStrategy(SSLContext)}
     */
    @Deprecated
    public ConscryptServerTlsStrategy(final SSLContext sslContext, final int... securePorts) {
        this(sslContext, new FixedPortStrategy(securePorts));
    }

    public ConscryptServerTlsStrategy(
            final SSLContext sslContext,
            final SSLBufferMode sslBufferMode,
            final SSLSessionInitializer initializer,
            final SSLSessionVerifier verifier) {
        this.sslContext = Args.notNull(sslContext, "SSL context");
        this.sslBufferMode = sslBufferMode;
        this.initializer = initializer;
        this.verifier = verifier;
        this.securePortStrategy = null;
    }

    public ConscryptServerTlsStrategy(
            final SSLContext sslContext,
            final SSLSessionInitializer initializer,
            final SSLSessionVerifier verifier) {
        this(sslContext, (SSLBufferMode) null, initializer, verifier);
    }

    public ConscryptServerTlsStrategy(final SSLContext sslContext, final SSLSessionVerifier verifier) {
        this(sslContext, (SSLBufferMode) null, null, verifier);
    }

    public ConscryptServerTlsStrategy(final SSLContext sslContext) {
        this(sslContext, (SSLBufferMode) null, null, null);
    }

    private boolean isApplicable(final SocketAddress localAddress) {
        return securePortStrategy == null || securePortStrategy.isSecure(localAddress);
    }

    @Override
    public boolean upgrade(
            final TransportSecurityLayer tlsSession,
            final HttpHost host,
            final SocketAddress localAddress,
            final SocketAddress remoteAddress,
            final Object attachment,
            final Timeout handshakeTimeout) {
        if (isApplicable(localAddress)) {
            tlsSession.startTls(
                    sslContext,
                    host,
                    sslBufferMode,
                    ConscryptSupport.initialize(attachment, initializer),
                    ConscryptSupport.verify(verifier),
                    handshakeTimeout);
            return true;
        }
        return false;
    }

}