/*
* Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javax.net.ssl;
import java.util.EventObject;
import java.security.cert.Certificate;
import java.security.Principal;
import java.security.cert.X509Certificate;
import javax.security.auth.x500.X500Principal;
/**
* This event indicates that an SSL handshake completed on a given
* SSL connection. All of the core information about that handshake's
* result is captured through an "SSLSession" object. As a convenience,
* this event class provides direct access to some important session
* attributes.
*
* <P> The source of this event is the SSLSocket on which handshaking
* just completed.
*
* @see SSLSocket
* @see HandshakeCompletedListener
* @see SSLSession
*
* @since 1.4
* @author David Brownell
*/
public class HandshakeCompletedEvent extends EventObject
{
private static final long serialVersionUID = 7914963744257769778L;
private transient SSLSession session;
/**
* Constructs a new HandshakeCompletedEvent.
*
* @param sock the SSLSocket acting as the source of the event
* @param s the SSLSession this event is associated with
*/
public HandshakeCompletedEvent(SSLSocket sock, SSLSession s)
{
super(sock);
session = s;
}
/**
* Returns the session that triggered this event.
*
* @return the <code>SSLSession</code> for this handshake
*/
public SSLSession getSession()
{
return session;
}
/**
* Returns the cipher suite in use by the session which was produced
* by the handshake. (This is a convenience method for
* getting the ciphersuite from the SSLsession.)
*
* @return the name of the cipher suite negotiated during this session.
*/
public String getCipherSuite()
{
return session.getCipherSuite();
}
/**
* Returns the certificate(s) that were sent to the peer during
* handshaking.
* Note: This method is useful only when using certificate-based
* cipher suites.
*
* When multiple certificates are available for use in a
* handshake, the implementation chooses what it considers the
* "best" certificate chain available, and transmits that to
* the other side. This method allows the caller to know
* which certificate chain was actually used.
*
* @return an ordered array of certificates, with the local
* certificate first followed by any
* certificate authorities. If no certificates were sent,
* then null is returned.
* @see #getLocalPrincipal()
*/
public java.security.cert.Certificate [] getLocalCertificates()
{
return session.getLocalCertificates();
}
/**
* Returns the identity of the peer which was established as part
* of defining the session.
* Note: This method can be used only when using certificate-based
* cipher suites; using it with non-certificate-based cipher suites,
* such as Kerberos, will throw an SSLPeerUnverifiedException.
*
* @return an ordered array of the peer certificates,
* with the peer's own certificate first followed by
* any certificate authorities.
* @exception SSLPeerUnverifiedException if the peer is not verified.
* @see #getPeerPrincipal()
*/
public java.security.cert.Certificate [] getPeerCertificates()
throws SSLPeerUnverifiedException
{
return session.getPeerCertificates();
}
/**
* Returns the identity of the peer which was identified as part
* of defining the session.
* Note: This method can be used only when using certificate-based
* cipher suites; using it with non-certificate-based cipher suites,
* such as Kerberos, will throw an SSLPeerUnverifiedException.
*
* <p><em>Note: this method exists for compatibility with previous
* releases. New applications should use
* {@link #getPeerCertificates} instead.</em></p>
*
* @return an ordered array of peer X.509 certificates,
* with the peer's own certificate first followed by any
* certificate authorities. (The certificates are in
* the original JSSE
* {@link javax.security.cert.X509Certificate} format).
* @exception SSLPeerUnverifiedException if the peer is not verified.
* @see #getPeerPrincipal()
*/
public javax.security.cert.X509Certificate [] getPeerCertificateChain()
throws SSLPeerUnverifiedException
{
return session.getPeerCertificateChain();
}
/**
* Returns the identity of the peer which was established as part of
* defining the session.
*
* @return the peer's principal. Returns an X500Principal of the
* end-entity certiticate for X509-based cipher suites, and
* KerberosPrincipal for Kerberos cipher suites.
*
* @throws SSLPeerUnverifiedException if the peer's identity has not
* been verified
*
* @see #getPeerCertificates()
* @see #getLocalPrincipal()
*
* @since 1.5
*/
public Principal getPeerPrincipal()
throws SSLPeerUnverifiedException
{
Principal principal;
try {
principal = session.getPeerPrincipal();
} catch (AbstractMethodError e) {
// if the provider does not support it, fallback to peer certs.
// return the X500Principal of the end-entity cert.
Certificate[] certs = getPeerCertificates();
principal = (X500Principal)
((X509Certificate)certs[0]).getSubjectX500Principal();
}
return principal;
}
/**
* Returns the principal that was sent to the peer during handshaking.
*
* @return the principal sent to the peer. Returns an X500Principal
* of the end-entity certificate for X509-based cipher suites, and
* KerberosPrincipal for Kerberos cipher suites. If no principal was
* sent, then null is returned.
*
* @see #getLocalCertificates()
* @see #getPeerPrincipal()
*
* @since 1.5
*/
public Principal getLocalPrincipal()
{
Principal principal;
try {
principal = session.getLocalPrincipal();
} catch (AbstractMethodError e) {
principal = null;
// if the provider does not support it, fallback to local certs.
// return the X500Principal of the end-entity cert.
Certificate[] certs = getLocalCertificates();
if (certs != null) {
principal = (X500Principal)
((X509Certificate)certs[0]).getSubjectX500Principal();
}
}
return principal;
}
/**
* Returns the socket which is the source of this event.
* (This is a convenience function, to let applications
* write code without type casts.)
*
* @return the socket on which the connection was made.
*/
public SSLSocket getSocket()
{
return (SSLSocket) getSource();
}
}