/**
* 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.geronimo.connector.outbound.security;
import java.io.IOException;
import java.util.Map;
import javax.resource.spi.ManagedConnectionFactory;
import javax.resource.spi.security.PasswordCredential;
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;
/**
* CallerIdentityPasswordCredentialLoginModule uses the username and password from the CallbackHandler
* and a ManagedConnectionFactory from the Options to construct a j2ca PasswordCredential that can be
* used for j2ca container managed security.
*
* This login module does not check credentials so it should never be able to cause a login to succeed.
* Therefore the lifecycle methods must return false to indicate success or throw a LoginException to indicate failure.
*
* @version $Rev: 599565 $ $Date: 2007-11-29 12:02:24 -0800 (Thu, 29 Nov 2007) $
*
* */
public class CallerIdentityPasswordCredentialLoginModule implements LoginModule {
private Subject subject;
private CallbackHandler callbackHandler;
private ManagedConnectionFactory managedConnectionFactory;
private String resourcePrincipalName;
private String userName;
private char[] password;
private ResourcePrincipal resourcePrincipal;
private PasswordCredential passwordCredential;
public void initialize(Subject subject, CallbackHandler callbackHandler,
Map sharedState, Map options) {
this.subject = subject;
this.callbackHandler = callbackHandler;
managedConnectionFactory = (ManagedConnectionFactory) options.get(PasswordCredentialLoginModuleWrapper.MANAGED_CONNECTION_FACTORY_OPTION);
if (managedConnectionFactory == null) {
throw new IllegalArgumentException("No ManagedConnectionFactory supplied in options");
}
}
public boolean login() throws LoginException {
if (managedConnectionFactory == null) {
return false;
}
Callback[] callbacks = new Callback[2];
callbacks[0] = new NameCallback("User name");
callbacks[1] = new PasswordCallback("Password", false);
try {
callbackHandler.handle(callbacks);
} catch (IOException ioe) {
throw (LoginException) new LoginException().initCause(ioe);
} catch (UnsupportedCallbackException uce) {
throw (LoginException) new LoginException().initCause(uce);
}
resourcePrincipalName = ((NameCallback) callbacks[0]).getName();
userName = ((NameCallback) callbacks[0]).getName();
password = ((PasswordCallback) callbacks[1]).getPassword();
return false;
}
public boolean commit() throws LoginException {
if (resourcePrincipalName == null || userName == null || password == null) {
return false;
}
resourcePrincipal = new ResourcePrincipal(resourcePrincipalName);
subject.getPrincipals().add(resourcePrincipal);
passwordCredential = new PasswordCredential(userName, password);
passwordCredential.setManagedConnectionFactory(managedConnectionFactory);
subject.getPrivateCredentials().add(passwordCredential);
// Clear private state
resourcePrincipalName = null;
userName = null;
password = null;
return false;
}
public boolean abort() throws LoginException {
resourcePrincipalName = null;
userName = null;
password = null;
return false;
}
public boolean logout() throws LoginException {
if(!subject.isReadOnly()) {
subject.getPrincipals().remove(resourcePrincipal);
subject.getPrivateCredentials().remove(passwordCredential);
}
// TODO: Destroy the credential when subject is read-only.
resourcePrincipal = null;
passwordCredential = null;
// Clear private state
resourcePrincipalName = null;
userName = null;
password = null;
return false;
}
}