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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.ssl.impl;
import com.yahoo.jdisc.http.ConnectorConfig;
import com.yahoo.jdisc.http.ssl.SslContextFactoryProvider;
import com.yahoo.security.KeyStoreBuilder;
import com.yahoo.security.KeyStoreType;
import com.yahoo.security.KeyUtils;
import com.yahoo.security.X509CertificateUtils;
import org.eclipse.jetty.util.ssl.SslContextFactory;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import java.util.Arrays;
import java.util.List;
/**
* JDisc's default implementation of {@link SslContextFactoryProvider} that uses the {@link ConnectorConfig} to construct a {@link SslContextFactory}.
*
* @author bjorncs
*/
public class DefaultSslContextFactoryProvider implements SslContextFactoryProvider {
private final ConnectorConfig connectorConfig;
public DefaultSslContextFactoryProvider(ConnectorConfig connectorConfig) {
validateConfig(connectorConfig.ssl());
this.connectorConfig = connectorConfig;
}
@Override
public SslContextFactory getInstance(String containerId, int port) {
ConnectorConfig.Ssl sslConfig = connectorConfig.ssl();
if (!sslConfig.enabled()) throw new IllegalStateException();
SslContextFactory factory = new JDiscSslContextFactory();
switch (sslConfig.clientAuth()) {
case NEED_AUTH:
factory.setNeedClientAuth(true);
break;
case WANT_AUTH:
factory.setWantClientAuth(true);
break;
}
// Check if using new ssl syntax from services.xml
factory.setKeyStore(createKeystore(sslConfig));
factory.setKeyStorePassword("");
if (!sslConfig.caCertificateFile().isEmpty()) {
factory.setTrustStore(createTruststore(sslConfig));
}
factory.setProtocol("TLS");
return factory;
}
private static void validateConfig(ConnectorConfig.Ssl config) {
if (!config.enabled()) return;
if (config.certificateFile().isEmpty()) {
throw new IllegalArgumentException("Missing certificate file.");
}
if (config.privateKeyFile().isEmpty()) {
throw new IllegalArgumentException("Missing private key file.");
}
}
private static KeyStore createTruststore(ConnectorConfig.Ssl sslConfig) {
List<X509Certificate> caCertificates = X509CertificateUtils.certificateListFromPem(readToString(sslConfig.caCertificateFile()));
KeyStoreBuilder truststoreBuilder = KeyStoreBuilder.withType(KeyStoreType.JKS);
for (int i = 0; i < caCertificates.size(); i++) {
truststoreBuilder.withCertificateEntry("entry-" + i, caCertificates.get(i));
}
return truststoreBuilder.build();
}
private static KeyStore createKeystore(ConnectorConfig.Ssl sslConfig) {
PrivateKey privateKey = KeyUtils.fromPemEncodedPrivateKey(readToString(sslConfig.privateKeyFile()));
List<X509Certificate> certificates = X509CertificateUtils.certificateListFromPem(readToString(sslConfig.certificateFile()));
return KeyStoreBuilder.withType(KeyStoreType.JKS).withKeyEntry("default", privateKey, certificates).build();
}
private static String readToString(String filename) {
try {
return new String(Files.readAllBytes(Paths.get(filename)));
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
}
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