/*
* (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* Licensed 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.
*
* Contributors:
* Nuxeo - initial API and implementation
*
* $Id$
*/
package org.nuxeo.runtime.api.login;
import java.io.IOException;
import java.security.Principal;
import java.util.HashMap;
import java.util.Map;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.auth.login.LoginException;
import javax.security.auth.spi.LoginModule;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuxeo.runtime.api.Framework;
/**
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*/
public class SystemLoginModule implements LoginModule {
private static final Log log = LogFactory.getLog(SystemLoginModule.class);
protected Subject subject;
protected CallbackHandler callbackHandler;
protected Map<String, Object> sharedState = new HashMap<>();
protected boolean trace;
@Override
public void initialize(Subject subject, CallbackHandler callbackHandler,
Map<String, ?> sharedState, Map<String, ?> options) {
this.subject = subject;
this.sharedState.putAll(sharedState);
this.callbackHandler = callbackHandler;
trace = log.isTraceEnabled();
}
@Override
public boolean login() throws LoginException {
if (trace) {
log.trace("begin system login");
}
LoginService loginService =
Framework.getLocalService(LoginService.class);
if (loginService == null) {
throw new LoginException(
"Nuxeo Login Service is not running - cannot do system login");
}
CredentialsCallback cb = new CredentialsCallback();
try {
callbackHandler.handle(new Callback[] { cb });
} catch (RuntimeException | IOException
| UnsupportedCallbackException e) {
LoginException ee =
new LoginException("System login failed - callback failed");
ee.initCause(e);
throw ee;
}
Object credential = cb.getCredentials();
if (LoginComponent.isSystemLogin(credential)) {
Principal principal = (Principal) credential;
sharedState.put("javax.security.auth.login.name", principal);
sharedState.put("javax.security.auth.login.password", null);
if (trace) {
log.trace("System Login Succeded");
}
return true;
}
if (trace) {
log.trace("System Login Failed");
}
return false;
}
@Override
public boolean commit() throws LoginException {
if (trace) {
log.trace("commit, subject=" + subject);
}
return true;
}
@Override
public boolean abort() throws LoginException {
if (trace) {
log.trace("abort, subject=" + subject);
}
return true;
}
@Override
public boolean logout() throws LoginException {
if (trace) {
log.trace("logout, subject=" + subject);
}
return true;
}
}