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Milton Community Edition: Supports DAV level 1 and is available on Apache2 license
/*
*
* Copyright 2014 McEvoy Software Ltd.
*
* Licensed 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
*
* http://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.milton.simpleton;
import io.milton.http.HttpManager;
import io.milton.http.http11.Http11ResponseHandler;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.channels.SocketChannel;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.Security;
import java.security.UnrecoverableKeyException;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLServerSocketFactory;
import javax.net.ssl.X509TrustManager;
import org.simpleframework.http.Request;
import org.simpleframework.http.Response;
import org.simpleframework.http.core.Container;
import org.simpleframework.http.core.ContainerServer;
import org.simpleframework.transport.Socket;
import org.simpleframework.transport.connect.Connection;
import org.simpleframework.transport.connect.SocketConnection;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author bradm
*/
public class SslSimpletonServer implements Container {
private static final Logger log = LoggerFactory.getLogger( SslSimpletonServer.class );
public static final String DEFAULT_KEYSTORE_ALGORITHM = ( Security.getProperty( "ssl.KeyManagerFactory.algorithm" ) == null ? "SunX509" : Security.getProperty( "ssl.KeyManagerFactory.algorithm" ) );
protected final Stage dispatchStage;
private final HttpManager httpManager;
private final Http11ResponseHandler responseHandler;
private int sslPort = 443;
private File keystoreFile;
private String keystorePassword;
private Thread thMonitor;
private boolean stopped;
private int maxQueueTimeMillis = 10000;
private int maxProcessTimeMillis = 60000;
private Connection connection;
private Connection sslConnection;
private String sslProtocol = "TLS";
private String keystoreType = "JKS";
private String keystoreAlgorithm = DEFAULT_KEYSTORE_ALGORITHM;
public SslSimpletonServer(HttpManager httpManager, Http11ResponseHandler responseHandler, int capacity, int numThreads) {
this.httpManager = httpManager;
dispatchStage = new Stage<>("dispatchStage", capacity, numThreads, false);
this.responseHandler = responseHandler;
thMonitor = new Thread(new TaskMonitor());
}
public void start() {
stopped = false;
sslConnection = initHttps( sslPort );
thMonitor = new Thread( new TaskMonitor() );
thMonitor.start();
}
/**
* Setting up certificates
EG C:\Program Files\Java\jdk1.6.0_10\bin>keytool -genkey -keystore certs -keyalg rsa -alias jamie -storepass serverkspw -keypass serverpw
note that 'first name last name' should be machine name
* @param connection
* @param port
*/
protected SocketConnection initHttps( int port ) {
SSLServerSocketFactory fac = (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
log.info( "initHttps: port: " + port + " sslProtocol: " + sslProtocol + " keystoreAlgorithm:" + keystoreAlgorithm );
try {
KeyStore keystore = KeyStore.getInstance( keystoreType );
keystore.load( new FileInputStream( keystoreFile ), keystorePassword.toCharArray() );
log.info( "listing aliases defined in keystore" );
Enumeration aliases = keystore.aliases();
while( aliases.hasMoreElements() ) {
String a = aliases.nextElement();
log.info( " - alias: " + a );
Certificate cert = keystore.getCertificate( a );
log.info(" - cert type: " + cert.getType());
log.info(" - algorithm: " + cert.getPublicKey().getAlgorithm() );
log.info(" - format: " + cert.getPublicKey().getFormat() );
}
KeyManagerFactory kmf = KeyManagerFactory.getInstance( keystoreAlgorithm );
kmf.init( keystore, keystorePassword.toCharArray() );
X509TrustManager trustManager = new AnonymousTrustManager();
X509TrustManager[] trustManagers = new X509TrustManager[]{trustManager};
SSLContext sslc = SSLContext.getInstance( sslProtocol ); // An SSLContext is an environment for implementing JSSE. It is used to create a ServerSocketFactory
sslc.init( kmf.getKeyManagers(), trustManagers, null );
ContainerServer processor = new ContainerServer(this, 25);
org.simpleframework.transport.Server secure = new SecureProcessor(processor, sslc);
SocketConnection ssl = new SocketConnection(secure);
InetSocketAddress address = new InetSocketAddress( port );
ssl.connect( address, sslc );
log.debug( "server running on: " + address );
return ssl;
} catch( java.net.BindException ex ) {
throw new RuntimeException( "Couldnt bind to port: " + port );
} catch( UnrecoverableKeyException | KeyStoreException | CertificateException | NoSuchAlgorithmException | IOException ex ) {
throw new RuntimeException( ex );
} catch( Exception ex ) {
throw new RuntimeException( ex );
}
}
public void stop() {
try {
dispatchStage.close();
} catch( IOException ex ) {
log.error( "exception closing dispatchStage", ex );
}
stopped = true;
thMonitor.interrupt();
if( connection != null ) {
try {
connection.close();
} catch( Exception ex ) {
log.error( "exception closing http connection", ex );
}
}
if( sslConnection != null ) {
try {
sslConnection.close();
} catch( Exception ex ) {
log.error( "exception closing ssl connection", ex );
}
}
}
@Override
public void handle( Request request, Response response ) {
Task task = new Task( httpManager, request, response );
try {
dispatchStage.enqueue( task );
} catch( Exception e ) {
log.warn( "exception dispatching request: " + e.getMessage() );
SimpleMiltonRequest req = new SimpleMiltonRequest( request );
SimpleMiltonResponse resp = new SimpleMiltonResponse( response );
respondError( req, resp, e.getMessage() );
}
}
public void respondError( SimpleMiltonRequest req, SimpleMiltonResponse resp, String reason ) {
responseHandler.respondServerError( req, resp, reason );
}
private void respondError( Task t ) {
try {
log.warn( "setting error status becaue request could not be processed" );
t.response.setCode( 500 );
// t.response.commit();
t.response.close();
} catch( Exception e ) {
log.error( "error setting last chance error status", e );
}
}
public Integer getHttpPort() {
return sslPort;
}
public void setHttpPort( Integer sslPort ) {
this.sslPort = sslPort;
}
public File getKeystoreFile() {
return keystoreFile;
}
public void setKeystoreFile( File keystoreFile ) {
this.keystoreFile = keystoreFile;
}
public String getKeystorePassword() {
return keystorePassword;
}
public void setKeystorePassword( String keystorePassword ) {
this.keystorePassword = keystorePassword;
}
public String getSslProtocol() {
return sslProtocol;
}
public void setSslProtocol( String sslProtocol ) {
this.sslProtocol = sslProtocol;
}
public String getKeystoreAlgorithm() {
return keystoreAlgorithm;
}
public void setKeystoreAlgorithm( String keystoreAlgorithm ) {
this.keystoreAlgorithm = keystoreAlgorithm;
}
public String getKeystoreType() {
return keystoreType;
}
public void setKeystoreType( String keystoreType ) {
this.keystoreType = keystoreType;
}
public int getMaxProcessTimeMillis() {
return maxProcessTimeMillis;
}
public void setMaxProcessTimeMillis( int maxProcessTimeMillis ) {
this.maxProcessTimeMillis = maxProcessTimeMillis;
}
public int getMaxQueueTimeMillis() {
return maxQueueTimeMillis;
}
public void setMaxQueueTimeMillis( int maxQueueTimeMillis ) {
this.maxQueueTimeMillis = maxQueueTimeMillis;
}
public class TaskMonitor implements Runnable {
public void run() {
boolean isInterrupted = false;
while( !stopped && !isInterrupted ) {
checkTasks();
try {
Thread.sleep( 1000 );
} catch( InterruptedException ex ) {
log.debug( "interrupted" );
isInterrupted = true;
}
}
}
}
private void checkTasks() {
long l;
for( Task t : this.dispatchStage.queue ) {
// check enqueue time
l = System.currentTimeMillis() - t.enqueueTime;
if( l > maxQueueTimeMillis ) {
// bif it
log.warn( "XXX task is too long in queue: " + l + "ms. " + t );
log.warn( "Queue Size: " + dispatchStage.queue.size() );
log.warn( "listing contents of queue -" );
for( Task q : dispatchStage.queue ) {
log.warn( " - " + q.request.getTarget() );
}
log.warn( "---" );
this.dispatchStage.queue.remove( t );
respondError( t );
} else {
if( t.startTime > 0 ) {
// check process time
l = System.currentTimeMillis() - t.startTime;
if( l > maxProcessTimeMillis ) {
log.warn( "**** task is too long being processed: " + l + "ms. " + t );
t.thisThread.interrupt();
}
}
}
}
}
public static class AnonymousTrustManager implements X509TrustManager {
public boolean isClientTrusted( X509Certificate[] cert ) {
return true;
}
public boolean isServerTrusted( X509Certificate[] cert ) {
return true;
}
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[0];
}
public void checkClientTrusted( X509Certificate[] arg0, String arg1 )
throws CertificateException {
}
public void checkServerTrusted( X509Certificate[] arg0, String arg1 )
throws CertificateException {
}
}
private static class SecureProcessor implements org.simpleframework.transport.Server {
private final ContainerServer processor;
private final SSLContext context;
public SecureProcessor( ContainerServer processor, SSLContext context ) {
this.processor = processor;
this.context = context;
}
public void process( Socket pipeline ) throws IOException {
final SocketChannel channel = pipeline.getChannel();
final Map map = new HashMap();
Socket secure = new Socket() {
private SSLEngine engine;
public Map getAttributes() {
return map;
}
public SocketChannel getChannel() {
return channel;
}
public SSLEngine getEngine() {
if( engine == null ) {
engine = context.createSSLEngine();
}
return engine;
}
};
processor.process( secure );
}
public void stop() {
}
}
}