/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.tomcat.util.net.jsse;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.security.cert.CertificateFactory;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.security.cert.X509Certificate;
import org.apache.tomcat.util.net.SSLSupport;
/* JSSESupport
Concrete implementation class for JSSE
Support classes.
This will only work with JDK 1.2 and up since it
depends on JDK 1.2's certificate support
@author EKR
@author Craig R. McClanahan
Parts cribbed from JSSECertCompat
Parts cribbed from CertificatesValve
*/
class JSSESupport implements SSLSupport {
private static org.apache.commons.logging.Log log =
org.apache.commons.logging.LogFactory.getLog(JSSESupport.class);
protected SSLSocket ssl;
JSSESupport(SSLSocket sock){
ssl=sock;
}
public String getCipherSuite() throws IOException {
// Look up the current SSLSession
SSLSession session = ssl.getSession();
if (session == null)
return null;
return session.getCipherSuite();
}
public Object[] getPeerCertificateChain()
throws IOException {
return getPeerCertificateChain(false);
}
protected java.security.cert.X509Certificate []
getX509Certificates(SSLSession session) throws IOException {
X509Certificate jsseCerts[] = null;
try{
jsseCerts = session.getPeerCertificateChain();
} catch (Throwable ex){
// Get rid of the warning in the logs when no Client-Cert is
// available
}
if(jsseCerts == null)
jsseCerts = new X509Certificate[0];
java.security.cert.X509Certificate [] x509Certs =
new java.security.cert.X509Certificate[jsseCerts.length];
for (int i = 0; i < x509Certs.length; i++) {
try {
byte buffer[] = jsseCerts[i].getEncoded();
CertificateFactory cf =
CertificateFactory.getInstance("X.509");
ByteArrayInputStream stream =
new ByteArrayInputStream(buffer);
x509Certs[i] = (java.security.cert.X509Certificate)
cf.generateCertificate(stream);
if(log.isTraceEnabled())
log.trace("Cert #" + i + " = " + x509Certs[i]);
} catch(Exception ex) {
log.info("Error translating " + jsseCerts[i], ex);
return null;
}
}
if ( x509Certs.length < 1 )
return null;
return x509Certs;
}
public Object[] getPeerCertificateChain(boolean force)
throws IOException {
// Look up the current SSLSession
SSLSession session = ssl.getSession();
if (session == null)
return null;
// Convert JSSE's certificate format to the ones we need
X509Certificate [] jsseCerts = null;
try {
jsseCerts = session.getPeerCertificateChain();
} catch(Exception bex) {
// ignore.
}
if (jsseCerts == null)
jsseCerts = new X509Certificate[0];
if(jsseCerts.length <= 0 && force) {
session.invalidate();
handShake();
session = ssl.getSession();
}
return getX509Certificates(session);
}
protected void handShake() throws IOException {
ssl.setNeedClientAuth(true);
ssl.startHandshake();
}
/**
* Copied from <code>org.apache.catalina.valves.CertificateValve</code>
*/
public Integer getKeySize()
throws IOException {
// Look up the current SSLSession
SSLSession session = ssl.getSession();
SSLSupport.CipherData c_aux[]=ciphers;
if (session == null)
return null;
Integer keySize = (Integer) session.getValue(KEY_SIZE_KEY);
if (keySize == null) {
int size = 0;
String cipherSuite = session.getCipherSuite();
for (int i = 0; i < c_aux.length; i++) {
if (cipherSuite.indexOf(c_aux[i].phrase) >= 0) {
size = c_aux[i].keySize;
break;
}
}
keySize = new Integer(size);
session.putValue(KEY_SIZE_KEY, keySize);
}
return keySize;
}
public String getSessionId()
throws IOException {
// Look up the current SSLSession
SSLSession session = ssl.getSession();
if (session == null)
return null;
// Expose ssl_session (getId)
byte [] ssl_session = session.getId();
if ( ssl_session == null)
return null;
StringBuffer buf=new StringBuffer("");
for(int x=0; x<ssl_session.length; x++) {
String digit=Integer.toHexString((int)ssl_session[x]);
if (digit.length()<2) buf.append('0');
if (digit.length()>2) digit=digit.substring(digit.length()-2);
buf.append(digit);
}
return buf.toString();
}
}