| /******************************************************************************* |
| * 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.ofbiz.common.authentication; |
| |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Iterator; |
| import java.util.ServiceLoader; |
| |
| import org.apache.ofbiz.base.util.Debug; |
| import org.apache.ofbiz.common.authentication.api.Authenticator; |
| import org.apache.ofbiz.common.authentication.api.AuthenticatorException; |
| import org.apache.ofbiz.service.LocalDispatcher; |
| |
| /** |
| * AuthHelper |
| */ |
| public final class AuthHelper { |
| |
| private static final String module = AuthHelper.class.getName(); |
| private static List<Authenticator> authenticators = new ArrayList<Authenticator>(); |
| private static boolean authenticatorsLoaded = false; |
| |
| private AuthHelper() {} |
| |
| public static boolean authenticate(String username, String password, boolean isServiceAuth) throws AuthenticatorException { |
| if (!authenticatorsLoaded) throw new AuthenticatorException("Authenticators never loaded; be sure to call AuthHelper.loadAuthenticators()"); |
| for (Authenticator auth : authenticators) { |
| boolean pass = auth.authenticate(username, password, isServiceAuth); |
| if (pass) { |
| return true; |
| } else if (auth.isSingleAuthenticator()) { |
| throw new AuthenticatorException(); |
| } |
| } |
| return false; |
| } |
| |
| public static void logout(String username) throws AuthenticatorException { |
| if (!authenticatorsLoaded) throw new AuthenticatorException("Authenticators never loaded; be sure to call AuthHelper.loadAuthenticators()"); |
| for (Authenticator auth : authenticators) { |
| auth.logout(username); |
| } |
| } |
| |
| public static void syncUser(String username) throws AuthenticatorException { |
| if (!authenticatorsLoaded) throw new AuthenticatorException("Authenticators never loaded; be sure to call AuthHelper.loadAuthenticators()"); |
| for (Authenticator auth : authenticators) { |
| if (auth.isUserSynchronized()) { |
| auth.syncUser(username); |
| } |
| } |
| } |
| |
| public static void updatePassword(String username, String password, String newPassword) throws AuthenticatorException { |
| if (!authenticatorsLoaded) throw new AuthenticatorException("Authenticators never loaded; be sure to call AuthHelper.loadAuthenticators()"); |
| for (Authenticator auth : authenticators) { |
| auth.updatePassword(username, password, newPassword); |
| } |
| } |
| |
| public static boolean authenticatorsLoaded() { |
| return authenticatorsLoaded; |
| } |
| |
| public static void loadAuthenticators(LocalDispatcher dispatcher) { |
| if (!authenticatorsLoaded) { |
| loadAuthenticators_internal(dispatcher); |
| } |
| } |
| |
| private synchronized static void loadAuthenticators_internal(LocalDispatcher dispatcher) { |
| if (!authenticatorsLoaded) { |
| Iterator<Authenticator> it = ServiceLoader.load(Authenticator.class, getContextClassLoader()).iterator(); |
| while (it.hasNext()) { |
| try { |
| Authenticator auth = it.next(); |
| if (auth.isEnabled()) { |
| auth.initialize(dispatcher); |
| authenticators.add(auth); |
| } |
| } catch (ClassCastException e) { |
| Debug.logError(e, module); |
| } |
| } |
| |
| Collections.sort(authenticators, new AuthenticationComparator()); |
| authenticatorsLoaded = true; |
| } |
| } |
| |
| /* Do not move this into a shared global util class; doing so |
| * would mean the method would have to be public, and then it |
| * could be called by any other non-secure source. |
| */ |
| private static ClassLoader getContextClassLoader() { |
| return AccessController.doPrivileged( |
| new PrivilegedAction<ClassLoader>() { |
| public ClassLoader run() { |
| ClassLoader cl = null; |
| try { |
| cl = Thread.currentThread().getContextClassLoader(); |
| } catch (SecurityException e) { |
| Debug.logError(e, e.getMessage(), module); |
| } |
| return cl; |
| } |
| }); |
| } |
| } |