| /** |
| * 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.activemq.jaas; |
| |
| import java.io.IOException; |
| import java.security.Principal; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.Set; |
| |
| 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.FailedLoginException; |
| import javax.security.auth.login.LoginException; |
| import javax.security.auth.spi.LoginModule; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class PropertiesLoginModule extends PropertiesLoader implements LoginModule { |
| |
| private static final String USER_FILE_PROP_NAME = "org.apache.activemq.jaas.properties.user"; |
| private static final String GROUP_FILE_PROP_NAME = "org.apache.activemq.jaas.properties.group"; |
| |
| private static final Logger LOG = LoggerFactory.getLogger(PropertiesLoginModule.class); |
| |
| private Subject subject; |
| private CallbackHandler callbackHandler; |
| |
| private Properties users; |
| private Map<String,Set<String>> groups; |
| private String user; |
| private final Set<Principal> principals = new HashSet<Principal>(); |
| |
| /** the authentication status*/ |
| private boolean succeeded = false; |
| private boolean commitSucceeded = false; |
| |
| @Override |
| public void initialize(Subject subject, CallbackHandler callbackHandler, Map sharedState, Map options) { |
| this.subject = subject; |
| this.callbackHandler = callbackHandler; |
| succeeded = false; |
| init(options); |
| users = load(USER_FILE_PROP_NAME, "user", options).getProps(); |
| groups = load(GROUP_FILE_PROP_NAME, "group", options).invertedPropertiesValuesMap(); |
| } |
| |
| @Override |
| public boolean login() throws LoginException { |
| Callback[] callbacks = new Callback[2]; |
| |
| callbacks[0] = new NameCallback("Username: "); |
| callbacks[1] = new PasswordCallback("Password: ", false); |
| try { |
| callbackHandler.handle(callbacks); |
| } catch (IOException ioe) { |
| throw new LoginException(ioe.getMessage()); |
| } catch (UnsupportedCallbackException uce) { |
| throw new LoginException(uce.getMessage() + " not available to obtain information from user"); |
| } |
| user = ((NameCallback) callbacks[0]).getName(); |
| char[] tmpPassword = ((PasswordCallback) callbacks[1]).getPassword(); |
| if (tmpPassword == null) { |
| tmpPassword = new char[0]; |
| } |
| if (user == null) { |
| throw new FailedLoginException("user name is null"); |
| } |
| String password = users.getProperty(user); |
| |
| if (password == null) { |
| throw new FailedLoginException("User does exist"); |
| } |
| if (!password.equals(new String(tmpPassword))) { |
| throw new FailedLoginException("Password does not match"); |
| } |
| succeeded = true; |
| |
| if (debug) { |
| LOG.debug("login " + user); |
| } |
| return succeeded; |
| } |
| |
| @Override |
| public boolean commit() throws LoginException { |
| if (!succeeded) { |
| clear(); |
| if (debug) { |
| LOG.debug("commit, result: false"); |
| } |
| return false; |
| } |
| |
| principals.add(new UserPrincipal(user)); |
| |
| Set<String> matchedGroups = groups.get(user); |
| if (matchedGroups != null) { |
| for (String entry : matchedGroups) { |
| principals.add(new GroupPrincipal(entry)); |
| } |
| } |
| |
| subject.getPrincipals().addAll(principals); |
| |
| if (debug) { |
| LOG.debug("commit, result: true"); |
| } |
| |
| commitSucceeded = true; |
| return true; |
| } |
| |
| @Override |
| public boolean abort() throws LoginException { |
| if (debug) { |
| LOG.debug("abort"); |
| } |
| if (!succeeded) { |
| return false; |
| } else if (succeeded && commitSucceeded) { |
| // we succeeded, but another required module failed |
| logout(); |
| } else { |
| // our commit failed |
| clear(); |
| succeeded = false; |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean logout() throws LoginException { |
| subject.getPrincipals().removeAll(principals); |
| clear(); |
| if (debug) { |
| LOG.debug("logout"); |
| } |
| |
| succeeded = false; |
| commitSucceeded = false; |
| return true; |
| } |
| |
| private void clear() { |
| user = null; |
| principals.clear(); |
| } |
| |
| } |