/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.domain.http.server.security;
import static org.jboss.as.domain.http.server.Constants.FORBIDDEN;
import static org.jboss.as.domain.http.server.Constants.INTERNAL_SERVER_ERROR;
import static org.jboss.as.domain.http.server.HttpServerLogger.ROOT_LOGGER;
import java.io.IOException;
import java.security.Principal;
import java.util.Set;
import javax.net.ssl.SSLPeerUnverifiedException;
import javax.net.ssl.SSLSession;
import javax.security.auth.Subject;
import org.jboss.as.controller.security.SubjectUserInfo;
import org.jboss.com.sun.net.httpserver.Authenticator;
import org.jboss.com.sun.net.httpserver.HttpExchange;
import org.jboss.com.sun.net.httpserver.HttpPrincipal;
import org.jboss.com.sun.net.httpserver.HttpsExchange;
import org.jboss.com.sun.net.httpserver.HttpExchange.AttributeScope;
/**
* A simple authenticator to be used when the ONLY supported mechanism is ClientCert.
*
* Where alternative mechanisms are supported those mechanisms are responsible for checking if we already have a Principal.
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
public class ClientCertAuthenticator extends Authenticator {
private final AuthenticationProvider authenticationProvider;
private final String realm;
public ClientCertAuthenticator(final AuthenticationProvider authenticationProvider, final String realm) {
this.authenticationProvider = authenticationProvider;
this.realm = realm;
}
/**
* @see org.jboss.com.sun.net.httpserver.Authenticator#authenticate(org.jboss.com.sun.net.httpserver.HttpExchange)
*/
@Override
public Result authenticate(HttpExchange exchange) {
Subject subject = (Subject) exchange.getAttribute(Subject.class.getName(), AttributeScope.CONNECTION);
// If we have a cached Subject with a HttpPrincipal this connection is already authenticated so no further action
// required.
if (subject != null) {
Set<HttpPrincipal> httpPrincipals = subject.getPrincipals(HttpPrincipal.class);
if (httpPrincipals.size() > 0) {
return new Success(httpPrincipals.iterator().next());
}
}
Result response = null;
if (exchange instanceof HttpsExchange) {
HttpsExchange httpsExch = (HttpsExchange) exchange;
SSLSession session = httpsExch.getSSLSession();
if (session != null) {
try {
Principal p = session.getPeerPrincipal();
response = new Success(new HttpPrincipal(p.getName(), realm));
} catch (SSLPeerUnverifiedException e) {
}
}
}
if (response != null) {
if (response instanceof Success) {
// For this method to have been called a Subject with HttpPrincipal was not found within the HttpExchange so now
// create a new one.
HttpPrincipal principal = ((Success) response).getPrincipal();
try {
SubjectUserInfo userInfo = authenticationProvider.getCallbackHandler().createSubjectUserInfo(principal);
exchange.setAttribute(Subject.class.getName(), userInfo.getSubject(), AttributeScope.CONNECTION);
} catch (IOException e) {
ROOT_LOGGER.debug("Unable to create SubjectUserInfo", e);
response = new Authenticator.Failure(INTERNAL_SERVER_ERROR);
}
}
} else {
response = new Failure(FORBIDDEN);
}
return response;
}
}