jrt/src/com/yahoo/jrt/TlsCryptoEngine.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jrt;

import com.yahoo.security.SslContextBuilder;
import com.yahoo.security.tls.TransportSecurityOptions;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLEngine;
import java.nio.channels.SocketChannel;

/**
 * A {@link CryptoSocket} that creates {@link TlsCryptoSocket} instances.
 *
 * @author bjorncs
 */
public class TlsCryptoEngine implements CryptoEngine {

    private final SSLContext sslContext;

    public TlsCryptoEngine(SSLContext sslContext) {
        this.sslContext = sslContext;
    }

    public TlsCryptoEngine(TransportSecurityOptions options) {
        this(createSslContext(options));
    }

    @Override
    public TlsCryptoSocket createCryptoSocket(SocketChannel channel, boolean isServer)  {
        SSLEngine sslEngine = sslContext.createSSLEngine();
        sslEngine.setNeedClientAuth(true);
        sslEngine.setUseClientMode(!isServer);
        return new TlsCryptoSocket(channel, sslEngine);
    }

    private static SSLContext createSslContext(TransportSecurityOptions options) {
        SslContextBuilder builder = new SslContextBuilder();
        options.getCertificatesFile()
                .ifPresent(certificates -> builder.withKeyStore(options.getPrivateKeyFile().get(), certificates));
        options.getCaCertificatesFile().ifPresent(builder::withTrustStore);
        return builder.build();
    }
}