-/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.netconf.auth.usermanager;
-
-import com.google.common.annotations.VisibleForTesting;
-import org.opendaylight.controller.netconf.auth.AuthProvider;
-import org.opendaylight.controller.sal.authorization.AuthResultEnum;
-import org.opendaylight.controller.usermanager.IUserManager;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.ServiceReference;
-import org.osgi.util.tracker.ServiceTracker;
-import org.osgi.util.tracker.ServiceTrackerCustomizer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * AuthProvider implementation delegating to AD-SAL UserManager instance.
- */
-public class AuthProviderImpl implements AuthProvider {
- private static final Logger LOG = LoggerFactory.getLogger(AuthProviderImpl.class);
-
- private IUserManager nullableUserManager;
-
- public AuthProviderImpl(final BundleContext bundleContext) {
-
- final ServiceTrackerCustomizer<IUserManager, IUserManager> customizer = new ServiceTrackerCustomizer<IUserManager, IUserManager>() {
- @Override
- public IUserManager addingService(final ServiceReference<IUserManager> reference) {
- LOG.trace("UerManager {} added", reference);
- nullableUserManager = bundleContext.getService(reference);
- return nullableUserManager;
- }
-
- @Override
- public void modifiedService(final ServiceReference<IUserManager> reference, final IUserManager service) {
- LOG.trace("Replacing modified UerManager {}", reference);
- nullableUserManager = service;
- }
-
- @Override
- public void removedService(final ServiceReference<IUserManager> reference, final IUserManager service) {
- LOG.trace("Removing UerManager {}. This AuthProvider will fail to authenticate every time", reference);
- synchronized (AuthProviderImpl.this) {
- nullableUserManager = null;
- }
- }
- };
- final ServiceTracker<IUserManager, IUserManager> listenerTracker = new ServiceTracker<>(bundleContext, IUserManager.class, customizer);
- listenerTracker.open();
- }
-
- /**
- * Authenticate user. This implementation tracks IUserManager and delegates the decision to it. If the service is not
- * available, IllegalStateException is thrown.
- */
- @Override
- public synchronized boolean authenticated(final String username, final String password) {
- if (nullableUserManager == null) {
- LOG.warn("Cannot authenticate user '{}', user manager service is missing", username);
- throw new IllegalStateException("User manager service is not available");
- }
- final AuthResultEnum authResult = nullableUserManager.authenticate(username, password);
- LOG.debug("Authentication result for user '{}' : {}", username, authResult);
- return authResult.equals(AuthResultEnum.AUTH_ACCEPT) || authResult.equals(AuthResultEnum.AUTH_ACCEPT_LOC);
- }
-
- @VisibleForTesting
- synchronized void setNullableUserManager(final IUserManager nullableUserManager) {
- this.nullableUserManager = nullableUserManager;
- }
-}
Code Review / controller.git / commitdiff