| /* |
| * 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.servicemix.kernel.jaas.modules.properties; |
| |
| import java.io.File; |
| 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.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.servicemix.kernel.jaas.modules.RolePrincipal; |
| import org.apache.servicemix.kernel.jaas.modules.UserPrincipal; |
| |
| /** |
| * JAAS Login module for user / password, based on two properties files. |
| * |
| */ |
| public class PropertiesLoginModule implements LoginModule { |
| |
| private static final String USER_FILE = "users"; |
| private static final Log LOG = LogFactory.getLog(PropertiesLoginModule.class); |
| |
| private Subject subject; |
| private CallbackHandler callbackHandler; |
| private boolean debug; |
| private String usersFile; |
| private String user; |
| private Set principals = new HashSet(); |
| |
| public void initialize(Subject sub, CallbackHandler handler, Map sharedState, Map options) { |
| this.subject = sub; |
| this.callbackHandler = handler; |
| |
| debug = "true".equalsIgnoreCase((String) options.get("debug")); |
| usersFile = (String) options.get(USER_FILE) + ""; |
| |
| if (debug) { |
| LOG.debug("Initialized debug=" + debug + " usersFile=" + usersFile); |
| } |
| } |
| |
| public boolean login() throws LoginException { |
| Properties users = new Properties(); |
| File f = new File(usersFile); |
| try { |
| users.load(new java.io.FileInputStream(f)); |
| } catch (IOException ioe) { |
| throw new LoginException("Unable to load user properties file " + f); |
| } |
| |
| 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]; |
| } |
| |
| String userInfos = (String) users.get(user); |
| if (userInfos == null) { |
| throw new FailedLoginException("User does not exist"); |
| } |
| String[] infos = userInfos.split(","); |
| if (!new String(tmpPassword).equals(infos[0])) { |
| throw new FailedLoginException("Password does not match"); |
| } |
| |
| principals = new HashSet<Principal>(); |
| principals.add(new UserPrincipal(user)); |
| for (int i = 1; i < infos.length; i++) { |
| principals.add(new RolePrincipal(infos[i])); |
| } |
| |
| users.clear(); |
| |
| if (debug) { |
| LOG.debug("login " + user); |
| } |
| return true; |
| } |
| |
| public boolean commit() throws LoginException { |
| subject.getPrincipals().addAll(principals); |
| clear(); |
| if (debug) { |
| LOG.debug("commit"); |
| } |
| return true; |
| } |
| |
| public boolean abort() throws LoginException { |
| clear(); |
| if (debug) { |
| LOG.debug("abort"); |
| } |
| return true; |
| } |
| |
| public boolean logout() throws LoginException { |
| subject.getPrincipals().removeAll(principals); |
| principals.clear(); |
| if (debug) { |
| LOG.debug("logout"); |
| } |
| return true; |
| } |
| |
| private void clear() { |
| user = null; |
| } |
| } |