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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.server.jetty;
import com.google.common.base.Preconditions;
import com.google.inject.Inject;
import com.yahoo.jdisc.Metric;
import com.yahoo.jdisc.http.ConnectorConfig;
import com.yahoo.jdisc.http.ConnectorConfig.Ssl;
import com.yahoo.jdisc.http.ConnectorConfig.Ssl.PemKeyStore;
import com.yahoo.jdisc.http.SecretStore;
import com.yahoo.jdisc.http.ssl.pem.PemSslKeyStore;
import org.eclipse.jetty.http.HttpVersion;
import org.eclipse.jetty.server.HttpConfiguration;
import org.eclipse.jetty.server.HttpConnectionFactory;
import org.eclipse.jetty.server.SecureRequestCustomizer;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.server.SslConnectionFactory;
import org.eclipse.jetty.util.ssl.SslContextFactory;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.channels.ServerSocketChannel;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.KeyStore;
import java.util.Optional;
import java.util.function.Supplier;
import java.util.logging.Logger;
import static com.yahoo.jdisc.http.ConnectorConfig.Ssl.KeyStoreType.Enum.JKS;
import static com.yahoo.jdisc.http.ConnectorConfig.Ssl.KeyStoreType.Enum.PEM;
/**
* @author Einar M R Rosenvinge
*/
public class ConnectorFactory {
private final static Logger log = Logger.getLogger(ConnectorFactory.class.getName());
private final ConnectorConfig connectorConfig;
private final SecretStore secretStore;
@Inject
public ConnectorFactory(ConnectorConfig connectorConfig, SecretStore secretStore) {
this.connectorConfig = connectorConfig;
this.secretStore = secretStore;
if (connectorConfig.ssl().enabled())
validateSslConfig(connectorConfig);
}
// TODO: can be removed when we have dedicated SSL config in services.xml
private static void validateSslConfig(ConnectorConfig config) {
ConnectorConfig.Ssl ssl = config.ssl();
if (ssl.keyStoreType() == JKS) {
if (! ssl.pemKeyStore().keyPath().isEmpty() || ! ssl.pemKeyStore().certificatePath().isEmpty())
throw new IllegalArgumentException("pemKeyStore attributes can not be set when keyStoreType is JKS.");
}
if (ssl.keyStoreType() == PEM) {
if (! ssl.keyStorePath().isEmpty())
throw new IllegalArgumentException("keyStorePath can not be set when keyStoreType is PEM");
}
}
public ConnectorConfig getConnectorConfig() {
return connectorConfig;
}
public ServerConnector createConnector(final Metric metric, final Server server, final ServerSocketChannel ch) {
ServerConnector connector;
if (connectorConfig.ssl().enabled()) {
connector = new JDiscServerConnector(connectorConfig, metric, server, ch,
newSslConnectionFactory(),
newHttpConnectionFactory());
} else {
connector = new JDiscServerConnector(connectorConfig, metric, server, ch,
newHttpConnectionFactory());
}
connector.setPort(connectorConfig.listenPort());
connector.setName(connectorConfig.name());
connector.setAcceptQueueSize(connectorConfig.acceptQueueSize());
connector.setReuseAddress(connectorConfig.reuseAddress());
double soLingerTimeSeconds = connectorConfig.soLingerTime();
if (soLingerTimeSeconds == -1) {
connector.setSoLingerTime(-1);
} else {
connector.setSoLingerTime((int)(soLingerTimeSeconds * 1000.0));
}
connector.setIdleTimeout((long)(connectorConfig.idleTimeout() * 1000.0));
connector.setStopTimeout((long)(connectorConfig.stopTimeout() * 1000.0));
return connector;
}
private HttpConnectionFactory newHttpConnectionFactory() {
HttpConfiguration httpConfig = new HttpConfiguration();
httpConfig.setSendDateHeader(true);
httpConfig.setSendServerVersion(false);
httpConfig.setSendXPoweredBy(false);
httpConfig.setHeaderCacheSize(connectorConfig.headerCacheSize());
httpConfig.setOutputBufferSize(connectorConfig.outputBufferSize());
httpConfig.setRequestHeaderSize(connectorConfig.requestHeaderSize());
httpConfig.setResponseHeaderSize(connectorConfig.responseHeaderSize());
if (connectorConfig.ssl().enabled()) {
httpConfig.addCustomizer(new SecureRequestCustomizer());
}
return new HttpConnectionFactory(httpConfig);
}
//TODO: does not support loading non-yahoo readable JKS key stores.
private SslConnectionFactory newSslConnectionFactory() {
Ssl sslConfig = connectorConfig.ssl();
SslContextFactory factory = new SslContextFactory();
switch (sslConfig.clientAuth()) {
case NEED_AUTH:
factory.setNeedClientAuth(true);
break;
case WANT_AUTH:
factory.setWantClientAuth(true);
break;
}
if (!sslConfig.prng().isEmpty()) {
factory.setSecureRandomAlgorithm(sslConfig.prng());
}
if (!sslConfig.excludeProtocol().isEmpty()) {
String[] prots = new String[sslConfig.excludeProtocol().size()];
for (int i = 0; i < prots.length; i++) {
prots[i] = sslConfig.excludeProtocol(i).name();
}
factory.setExcludeProtocols(prots);
}
if (!sslConfig.includeProtocol().isEmpty()) {
String[] prots = new String[sslConfig.includeProtocol().size()];
for (int i = 0; i < prots.length; i++) {
prots[i] = sslConfig.includeProtocol(i).name();
}
factory.setIncludeProtocols(prots);
}
if (!sslConfig.excludeCipherSuite().isEmpty()) {
String[] ciphs = new String[sslConfig.excludeCipherSuite().size()];
for (int i = 0; i < ciphs.length; i++) {
ciphs[i] = sslConfig.excludeCipherSuite(i).name();
}
factory.setExcludeCipherSuites(ciphs);
}
if (!sslConfig.includeCipherSuite().isEmpty()) {
String[] ciphs = new String[sslConfig.includeCipherSuite().size()];
for (int i = 0; i < ciphs.length; i++) {
ciphs[i] = sslConfig.includeCipherSuite(i).name();
}
factory.setIncludeCipherSuites(ciphs);
}
Optional<String> keyDbPassword = secret(sslConfig.keyDbKey());
switch (sslConfig.keyStoreType()) {
case PEM:
factory.setKeyStore(createPemKeyStore(sslConfig.pemKeyStore()));
if (keyDbPassword.isPresent())
log.warning("Encrypted PEM key stores are not supported.");
break;
case JKS:
factory.setKeyStorePath(sslConfig.keyStorePath());
factory.setKeyStoreType(sslConfig.keyStoreType().toString());
factory.setKeyStorePassword(keyDbPassword.orElseThrow(passwordRequiredForJKSKeyStore("key")));
break;
}
if (!sslConfig.trustStorePath().isEmpty()) {
factory.setTrustStorePath(sslConfig.trustStorePath());
factory.setTrustStoreType(sslConfig.trustStoreType().toString());
if (sslConfig.useTrustStorePassword())
factory.setTrustStorePassword(keyDbPassword.orElseThrow(passwordRequiredForJKSKeyStore("trust")));
}
factory.setKeyManagerFactoryAlgorithm(sslConfig.sslKeyManagerFactoryAlgorithm());
factory.setProtocol(sslConfig.protocol());
return new SslConnectionFactory(factory, HttpVersion.HTTP_1_1.asString());
}
/** Returns the secret password with the given name, or empty if the password name is null or empty */
private Optional<String> secret(String keyname) {
return Optional.of(keyname).filter(key -> !key.isEmpty()).map(secretStore::getSecret);
}
@SuppressWarnings("ThrowableInstanceNeverThrown")
private static Supplier<RuntimeException> passwordRequiredForJKSKeyStore(String type) {
return () -> new RuntimeException(String.format("Password is required for JKS %s store", type));
}
private static KeyStore createPemKeyStore(PemKeyStore pemKeyStore) {
Preconditions.checkArgument(!pemKeyStore.certificatePath().isEmpty(), "Missing certificate path.");
Preconditions.checkArgument(!pemKeyStore.keyPath().isEmpty(), "Missing key path.");
try {
Path certificatePath = Paths.get(pemKeyStore.certificatePath());
Path keyPath = Paths.get(pemKeyStore.keyPath());
return new PemSslKeyStore(certificatePath, keyPath)
.loadJavaKeyStore();
} catch (IOException e) {
throw new UncheckedIOException(e);
} catch (Exception e) {
throw new RuntimeException("Failed setting up key store for " + pemKeyStore.keyPath() + ", " + pemKeyStore.certificatePath(), e);
}
}
}
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