/*
* 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 javax.net.ssl.SSLPeerUnverifiedException;
import javax.net.ssl.SSLSession;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import java.io.IOException;
import java.security.Principal;
import java.util.Arrays;
import org.jboss.as.domain.management.security.DomainCallbackHandler;
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.sasl.callback.VerifyPasswordCallback;
import static org.jboss.as.domain.http.server.HttpServerLogger.ROOT_LOGGER;
import static org.jboss.as.domain.http.server.HttpServerMessages.MESSAGES;
/**
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
public class BasicAuthenticator extends org.jboss.com.sun.net.httpserver.BasicAuthenticator {
private final CallbackHandler callbackHandler;
private final boolean verifyPasswordCallback;
public BasicAuthenticator(DomainCallbackHandler callbackHandler, String realm) {
super(realm);
this.callbackHandler = callbackHandler;
verifyPasswordCallback = contains(VerifyPasswordCallback.class, callbackHandler.getSupportedCallbacks());
}
@Override
public Result authenticate(HttpExchange httpExchange) {
// If we already have a Principal from the SSLSession no need to continue with
// username / password authentication.
if (httpExchange instanceof HttpsExchange) {
HttpsExchange httpsExch = (HttpsExchange) httpExchange;
SSLSession session = httpsExch.getSSLSession();
if (session != null) {
try {
Principal p = session.getPeerPrincipal();
return new Success(new HttpPrincipal(p.getName(), realm));
} catch (SSLPeerUnverifiedException e) {
}
}
}
return super.authenticate(httpExchange);
}
@Override
public boolean checkCredentials(String username, String password) {
NameCallback ncb = new NameCallback("Username", username);
Callback passwordCallback;
if (verifyPasswordCallback) {
passwordCallback = new VerifyPasswordCallback(password);
} else {
passwordCallback = new PasswordCallback("Password", false);
}
Callback[] callbacks = new Callback[]{ncb, passwordCallback};
try {
callbackHandler.handle(callbacks);
} catch (IOException e) {
ROOT_LOGGER.debug("Callback handle failed.", e);
return false;
} catch (UnsupportedCallbackException e) {
throw MESSAGES.callbackRejected(e);
}
if (verifyPasswordCallback) {
return ((VerifyPasswordCallback) passwordCallback).isVerified();
} else {
char[] expectedPassword = ((PasswordCallback) passwordCallback).getPassword();
return Arrays.equals(password.toCharArray(), expectedPassword);
}
}
// TODO - Will do something cleaner with collections.
public static boolean requiredCallbacksSupported(Class[] callbacks) {
if (contains(NameCallback.class,callbacks) == false) {
return false;
}
if ( (contains(PasswordCallback.class,callbacks) == false) && (contains(VerifyPasswordCallback.class,callbacks) == false)) {
return false;
}
return true;
}
private static boolean contains(Class clazz, Class[] classes) {
for (Class current : classes) {
if (current.equals(clazz)) {
return true;
}
}
return false;
}
}