| /* |
| * 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.karaf.jaas.command; |
| |
| import org.apache.karaf.jaas.command.completers.LoginModuleNameCompleter; |
| import org.apache.karaf.jaas.config.JaasRealm; |
| import org.apache.karaf.jaas.config.impl.Config; |
| import org.apache.karaf.jaas.config.impl.Module; |
| import org.apache.karaf.jaas.modules.BackingEngine; |
| import org.apache.karaf.shell.api.action.Argument; |
| import org.apache.karaf.shell.api.action.Command; |
| import org.apache.karaf.shell.api.action.Completion; |
| import org.apache.karaf.shell.api.action.lifecycle.Service; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Properties; |
| |
| @Command(scope = "jaas", name = "module-add", description = "Add a Login Module") |
| @Service |
| public class ModuleAddCommand extends JaasCommandSupport { |
| |
| @Argument(index = 0, name = "loginModule", description = "Class Name of Login Module", required = true, multiValued = false) |
| @Completion(LoginModuleNameCompleter.class) |
| private String loginModule; |
| |
| @Argument(index = 1, name = "properties", description = "Pair of Properties (key value)", required = false, multiValued = true) |
| private List<String> propertiesList; |
| |
| @Override |
| protected Object doExecute(BackingEngine engine) throws Exception { |
| return null; |
| } |
| |
| @Override |
| public Object execute() throws Exception { |
| // Fetch Realm |
| JaasRealm realm = (JaasRealm) session.get(JAAS_REALM); |
| |
| if (realm == null) { |
| System.err.println("No JAAS Realm has been selected"); |
| throw new IllegalStateException("No JAAS Realm has been selected"); |
| } |
| if (!(realm instanceof Config)) { |
| System.err.println("Selected JAAS Realm was not added via jaas:add-realm, only those are supported!"); |
| throw new IllegalStateException("Selected JAAS Realm was not added via jaas:add-realm, only those are supported!"); |
| } |
| |
| if (!checkIfClassExists(loginModule)) { |
| System.err.println("Module class '" + loginModule + "' is unknown!"); |
| throw new IllegalArgumentException("Module class '" + loginModule + "' is unknown!"); |
| } |
| Module module = createModuleFromCmdParameters(loginModule, propertiesList); |
| |
| // Add the Login Module to the current Realm |
| List<Module> modulesList = new ArrayList<>(Arrays.asList(((Config) realm).getModules())); |
| modulesList.add(module); |
| Module[] newModules = modulesList.toArray(new Module[]{}); |
| ((Config) realm).setModules(newModules); |
| return null; |
| } |
| |
| /** |
| * Parses the Command Line Parameters given to create a valid Module and Properties from it. |
| * @param loginModule Class Name of the login Module |
| * @param propertiesList List of Properties interpreted as "key1 value1 key2 value2" |
| * @return Module |
| */ |
| static Module createModuleFromCmdParameters(String loginModule, List<String> propertiesList) { |
| // Parse Properties |
| if (propertiesList != null && propertiesList.size() > 0 && (propertiesList.size() % 2) == 1) { |
| // Properties are uneven... bad |
| System.err.println("Properties have to be given as \"key1 value1 key2 value2 ...\" but number of Arguments is uneven!"); |
| return null; |
| } |
| Properties properties = new Properties(); |
| if (propertiesList != null) { |
| for (int i = 0; i < propertiesList.size(); i += 2) { |
| properties.put(propertiesList.get(i), propertiesList.get(i + 1)); |
| } |
| } |
| // Assemble Login Module |
| Module module = new Module(); |
| module.setClassName(loginModule); |
| module.setFlags("required"); |
| module.setOptions(properties); |
| return module; |
| } |
| |
| public String getLoginModule() { |
| return loginModule; |
| } |
| |
| public void setLoginModule(String loginModule) { |
| this.loginModule = loginModule; |
| } |
| |
| public List<String> getPropertiesList() { |
| return propertiesList; |
| } |
| |
| public void setPropertiesList(List<String> propertiesList) { |
| this.propertiesList = propertiesList; |
| } |
| |
| private boolean checkIfClassExists(String loginModule) { |
| try { |
| this.getClass().getClassLoader().loadClass(loginModule); |
| return true; |
| } catch (ClassNotFoundException e) { |
| return false; |
| } |
| } |
| } |