/**
*
* 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.openejb.client;
import javax.security.auth.Subject;
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 javax.security.auth.login.LoginException;
import javax.security.auth.spi.LoginModule;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Map;
import java.util.logging.Logger;
public class ClientLoginModule implements LoginModule {
private static final Logger log = Logger.getLogger("OpenEJB.client");
private Subject subject;
private CallbackHandler callbackHandler;
private String serverUri;
private boolean debug;
private String user;
private Object clientIdentity;
private ClientIdentityPrincipal principal;
private String realmNameSeparator;
private String realmName;
@Override
public void initialize(final Subject subject, final CallbackHandler callbackHandler, final Map sharedState, final Map options) {
this.subject = subject;
this.callbackHandler = callbackHandler;
// determine the server uri
serverUri = System.getProperty("openejb.server.uri");
if (serverUri == null) {
serverUri = (String) options.get("openejb.server.uri");
}
this.debug = "true".equalsIgnoreCase((String) options.get("debug"));
if (debug) {
log.config("Initialized ClientLoginModule: debug=" + debug);
}
if (options.containsKey("RealmNameSeparator")) {
realmNameSeparator = (String) options.get("RealmNameSeparator");
}
if (options.containsKey("RealmName")) {
realmName = (String) options.get("RealmName");
}
}
@Override
public boolean login() throws LoginException {
// determine the server location
URI location = null;
try {
location = new URI(serverUri);
} catch (Exception e) {
if (!serverUri.contains("://")) {
try {
location = new URI("foo://" + serverUri);
} catch (URISyntaxException giveUp) {
throw new LoginException("Invalid openejb.server.uri " + serverUri);
}
}
}
final ServerMetaData server = new ServerMetaData(location);
// create the callbacks
final Callback[] callbacks = new Callback[2];
callbacks[0] = new NameCallback("Username: ");
callbacks[1] = new PasswordCallback("Password: ", false);
// get the call back values (username and password)
try {
callbackHandler.handle(callbacks);
} catch (IOException ioe) {
throw new LoginException(ioe.getMessage());
} catch (UnsupportedCallbackException uce) {
throw new LoginException(uce.getMessage() + " not available to obtain information from user");
}
user = ((NameCallback) callbacks[0]).getName();
char[] tmpPassword = ((PasswordCallback) callbacks[1]).getPassword();
if (tmpPassword == null) {
tmpPassword = new char[0];
}
if (realmNameSeparator != null) {
final String[] strings = user.split(realmNameSeparator);
if (strings.length == 2) {
realmName = strings[0];
user = strings[1];
}
}
if (realmName != null) {
clientIdentity = ClientSecurity.directAuthentication(realmName, user, new String(tmpPassword), server);
} else {
clientIdentity = ClientSecurity.directAuthentication(user, new String(tmpPassword), server);
}
if (debug) {
log.config("login " + user);
}
return true;
}
@Override
public boolean commit() throws LoginException {
principal = new ClientIdentityPrincipal(user, clientIdentity);
subject.getPrincipals().add(principal);
if (debug) {
log.config("commit");
}
return true;
}
@Override
public boolean abort() throws LoginException {
clear();
if (debug) {
log.config("abort");
}
return true;
}
@Override
public boolean logout() throws LoginException {
subject.getPrincipals().remove(principal);
if (debug) {
log.config("logout");
}
return true;
}
private void clear() {
user = null;
clientIdentity = null;
principal = null;
}
}