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SecureRequestCustomizer.java
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SecureRequestCustomizer.java
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//
// ========================================================================
// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.server;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLSession;
import javax.servlet.ServletRequest;
import org.eclipse.jetty.http.BadMessageException;
import org.eclipse.jetty.http.HttpScheme;
import org.eclipse.jetty.io.ssl.SslConnection;
import org.eclipse.jetty.io.ssl.SslConnection.DecryptedEndPoint;
import org.eclipse.jetty.util.IO;
import org.eclipse.jetty.util.TypeUtil;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.util.ssl.SslContextFactory;
/* ------------------------------------------------------------ */
/** Customizer that extracts the attribute from an {@link SSLContext}
* and sets them on the request with {@link ServletRequest#setAttribute(String, Object)}
* according to Servlet Specification Requirements.
*/
public class SecureRequestCustomizer implements HttpConfiguration.Customizer
{
private static final Logger LOG = Log.getLogger(SecureRequestCustomizer.class);
/**
* The name of the SSLSession attribute that will contain any cached information.
*/
public static final String CACHED_INFO_ATTR = CachedInfo.class.getName();
private boolean _sniHostCheck;
public SecureRequestCustomizer()
{
this(true);
}
public SecureRequestCustomizer(boolean sniHostCheck)
{
_sniHostCheck=sniHostCheck;
}
@Override
public void customize(Connector connector, HttpConfiguration channelConfig, Request request)
{
if (request.getHttpChannel().getEndPoint() instanceof DecryptedEndPoint)
{
request.setScheme(HttpScheme.HTTPS.asString());
request.setSecure(true);
SslConnection.DecryptedEndPoint ssl_endp = (DecryptedEndPoint)request.getHttpChannel().getEndPoint();
SslConnection sslConnection = ssl_endp.getSslConnection();
SSLEngine sslEngine=sslConnection.getSSLEngine();
customize(sslEngine,request);
}
}
/* ------------------------------------------------------------ */
/*
* Customise the request attributes to be set for SSL requests. <br>
* The requirements of the Servlet specs are:
* <ul>
* <li> an attribute named "javax.servlet.request.ssl_session_id" of type
* String (since Servlet Spec 3.0).</li>
* <li> an attribute named "javax.servlet.request.cipher_suite" of type
* String.</li>
* <li> an attribute named "javax.servlet.request.key_size" of type Integer.</li>
* <li> an attribute named "javax.servlet.request.X509Certificate" of type
* java.security.cert.X509Certificate[]. This is an array of objects of type
* X509Certificate, the order of this array is defined as being in ascending
* order of trust. The first certificate in the chain is the one set by the
* client, the next is the one used to authenticate the first, and so on.
* </li>
* </ul>
*
* @param request
* HttpRequest to be customised.
*/
public void customize(SSLEngine sslEngine, Request request)
{
request.setScheme(HttpScheme.HTTPS.asString());
SSLSession sslSession = sslEngine.getSession();
if (_sniHostCheck)
{
String sniName = (String)sslSession.getValue("org.eclipse.jetty.util.ssl.sniname");
if (sniName!=null && !sniName.equalsIgnoreCase(request.getServerName()))
{
String wild=(String)sslSession.getValue("org.eclipse.jetty.util.ssl.sniwild");
String name=request.getServerName();
if (wild==null || !IO.isInDomain(name,wild))
{
LOG.warn("Host does not match SNI Name: {}/{}!={}",sniName,wild,request.getServerName());
throw new BadMessageException(400,"Host does not match SNI");
}
}
}
try
{
String cipherSuite=sslSession.getCipherSuite();
Integer keySize;
X509Certificate[] certs;
String idStr;
CachedInfo cachedInfo=(CachedInfo)sslSession.getValue(CACHED_INFO_ATTR);
if (cachedInfo!=null)
{
keySize=cachedInfo.getKeySize();
certs=cachedInfo.getCerts();
idStr=cachedInfo.getIdStr();
}
else
{
keySize=new Integer(SslContextFactory.deduceKeyLength(cipherSuite));
certs=SslContextFactory.getCertChain(sslSession);
byte[] bytes = sslSession.getId();
idStr = TypeUtil.toHexString(bytes);
cachedInfo=new CachedInfo(keySize,certs,idStr);
sslSession.putValue(CACHED_INFO_ATTR,cachedInfo);
}
if (certs!=null)
request.setAttribute("javax.servlet.request.X509Certificate",certs);
request.setAttribute("javax.servlet.request.cipher_suite",cipherSuite);
request.setAttribute("javax.servlet.request.key_size",keySize);
request.setAttribute("javax.servlet.request.ssl_session_id", idStr);
}
catch (Exception e)
{
LOG.warn(Log.EXCEPTION,e);
}
}
@Override
public String toString()
{
return String.format("%s@%x",this.getClass().getSimpleName(),hashCode());
}
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/**
* Simple bundle of information that is cached in the SSLSession. Stores the
* effective keySize and the client certificate chain.
*/
private static class CachedInfo
{
private final X509Certificate[] _certs;
private final Integer _keySize;
private final String _idStr;
CachedInfo(Integer keySize, X509Certificate[] certs,String idStr)
{
this._keySize=keySize;
this._certs=certs;
this._idStr=idStr;
}
X509Certificate[] getCerts()
{
return _certs;
}
Integer getKeySize()
{
return _keySize;
}
String getIdStr()
{
return _idStr;
}
}
}