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/*******************************************************************************
* Copyright (c) 2005, 2008 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.internal.security.auth;
import java.net.URL;
import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
import org.eclipse.equinox.internal.security.auth.events.SecurityEventsManager;
import org.eclipse.equinox.internal.security.auth.nls.SecAuthMessages;
import org.eclipse.equinox.security.auth.ILoginContextListener;
import org.eclipse.equinox.security.auth.ILoginContext;
public class SecureContext implements ILoginContext {
private String configName;
private LoginContext loginContext;
private CallbackHandler handler;
private SecurityEventsManager eventsManager = new SecurityEventsManager();
private boolean loggedIn = false;
public SecureContext(String configugationName) {
this(configugationName, null, null);
}
public SecureContext(String configugationName, URL configFile, CallbackHandler handler) {
configName = configugationName;
SecurePlatformInternal platform = SecurePlatformInternal.getInstance();
if (configFile != null)
platform.addConfigURL(configFile); // this call MUST be done before start()
platform.start();
this.handler = handler;
}
public void login() throws LoginException {
LoginContext context = getLoginContext();
LoginException loginException = null;
eventsManager.notifyLoginBegin(context.getSubject());
try {
context.login();
} catch (LoginException e) {
loginException = e;
}
// subject might have changed if login() was triggered
eventsManager.notifyLoginEnd(context.getSubject(), loginException);
if (loginException != null) {
LoginException rtvException = new LoginException(SecAuthMessages.loginFailure);
rtvException.initCause(loginException);
throw rtvException;
}
loggedIn = true;
}
public void logout() throws LoginException {
LoginContext context = getLoginContext();
Subject subject = getLoginContext().getSubject();
eventsManager.notifyLogoutBegin(subject);
LoginException loginException = null;
try {
context.logout();
} catch (LoginException e) {
loginException = e;
}
eventsManager.notifyLogoutEnd(subject, loginException);
loggedIn = false;
}
public Subject getSubject() throws LoginException {
if (!loggedIn)
login();
return getLoginContext().getSubject();
}
public LoginContext getLoginContext() throws LoginException {
if (loginContext != null)
return loginContext;
CallbackHandler callbackHandler;
if (handler == null)
callbackHandler = SecurePlatformInternal.getInstance().loadCallbackHandler(configName);
else
callbackHandler = handler;
if (callbackHandler == null)
loginContext = new LoginContext(configName);
else
loginContext = new LoginContext(configName, callbackHandler);
return loginContext;
}
public void registerListener(ILoginContextListener listener) {
eventsManager.addListener(listener);
}
public void unregisterListener(ILoginContextListener listener) {
eventsManager.removeListener(listener);
}
}
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