| /* |
| * 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.openejb.core.security.jaas; |
| |
| import org.apache.openejb.util.LogCategory; |
| import org.apache.openejb.util.Logger; |
| import org.apache.openejb.util.URLs; |
| |
| import javax.script.Bindings; |
| import javax.script.ScriptContext; |
| import javax.script.ScriptEngine; |
| import javax.script.ScriptEngineManager; |
| import javax.script.ScriptException; |
| import javax.script.SimpleScriptContext; |
| 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.LoginException; |
| import javax.security.auth.spi.LoginModule; |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.net.URI; |
| import java.security.Principal; |
| import java.util.HashSet; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Scanner; |
| import java.util.Set; |
| |
| public class ScriptLoginModule implements LoginModule { |
| private static Logger log = Logger.getInstance(LogCategory.OPENEJB_SECURITY, "org.apache.openejb.util.resources"); |
| |
| private Subject subject; |
| private CallbackHandler callbackHandler; |
| |
| private Map<String, ?> options; |
| |
| public Set<Principal> principals = new LinkedHashSet<Principal>(); |
| |
| private UserData userData; |
| |
| private class UserData { |
| public final String user; |
| public final String pass; |
| public final Set<String> groups = new HashSet<String>(); |
| |
| private UserData(String user, String pass) { |
| this.user = user; |
| this.pass = pass; |
| } |
| } |
| |
| @Override |
| public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState, Map<String, ?> options) { |
| this.options = options; |
| this.subject = subject; |
| this.callbackHandler = callbackHandler; |
| } |
| |
| private UserData getUserData() throws LoginException { |
| final Callback[] callbacks = new Callback[2]; |
| |
| callbacks[0] = new NameCallback("Username: "); |
| callbacks[1] = new PasswordCallback("Password: ", false); |
| try { |
| this.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"); |
| } |
| |
| final String user = ((NameCallback) callbacks[0]).getName(); |
| |
| char[] tmpPassword = ((PasswordCallback) callbacks[1]).getPassword(); |
| if (tmpPassword == null) { |
| tmpPassword = new char[0]; |
| } |
| |
| final String password = new String(tmpPassword); |
| |
| return new UserData(user, password); |
| } |
| |
| private File getScriptFile(String path) { |
| if (path == null || "".equals(path)) { |
| final File result = new File(System.getProperty("openejb.home"), "conf/loginscript.js"); |
| if (result.exists()) { |
| return result; |
| } else { |
| return null; |
| } |
| } |
| |
| try { |
| final URI uri = URLs.uri(path); |
| final File result = new File(uri); |
| if (result.exists()) { |
| return result; |
| } |
| } catch (Exception e) { |
| // no-op |
| } |
| |
| { |
| final File result = new File(path); |
| if (result.exists()) { |
| return result; |
| } |
| } |
| |
| { |
| final File openEjbConf = new File(System.getProperty("openejb.home"), "conf"); |
| final File result = new File(openEjbConf, path); |
| if (result.exists()) { |
| return result; |
| } |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public boolean login() throws LoginException { |
| File script = getScriptFile((String) this.options.get("scriptURI")); |
| if (script == null) { |
| script = getScriptFile(System.getProperty("openejb.ScriptLoginModule.scriptURI")); |
| if (script == null) { |
| script = getScriptFile(System.getProperty(null)); |
| } |
| } |
| if (script == null) { |
| throw new LoginException("No login script defined"); |
| } |
| final String scriptText; |
| try { |
| scriptText = new Scanner(script).useDelimiter("\\Z").next(); |
| } catch (FileNotFoundException e) { |
| throw new LoginException("Invalid login script URI."); |
| } |
| |
| this.userData = getUserData(); |
| |
| final ScriptEngineManager manager = new ScriptEngineManager(); |
| final ScriptEngine engine = manager.getEngineByName((String) this.options.get("engineName")); |
| |
| //new context for the execution of this script |
| final ScriptContext newContext = new SimpleScriptContext(); |
| |
| //creating the bidings object for the current execution |
| final Bindings bindings = newContext.getBindings(ScriptContext.ENGINE_SCOPE); |
| |
| bindings.put("user", this.userData.user); |
| bindings.put("password", this.userData.pass); |
| |
| final List<String> myGroups; |
| try { |
| myGroups = (List) engine.eval(scriptText, newContext); |
| } catch (ScriptException e) { |
| throw new LoginException("Cannot execute login script. Msg: " + e.getMessage()); |
| } |
| this.userData.groups.addAll(myGroups); |
| |
| return true; |
| } |
| |
| @Override |
| public boolean commit() throws LoginException { |
| this.principals.add(new UserPrincipal(this.userData.user)); |
| |
| for (String myGroup : this.userData.groups) { |
| principals.add(new GroupPrincipal(myGroup)); |
| } |
| |
| this.subject.getPrincipals().addAll(this.principals); |
| |
| clear(); |
| |
| log.debug("commit"); |
| return true; |
| } |
| |
| @Override |
| public boolean abort() throws LoginException { |
| clear(); |
| log.debug("abort"); |
| return true; |
| } |
| |
| @Override |
| public boolean logout() throws LoginException { |
| this.subject.getPrincipals().removeAll(this.principals); |
| this.principals.clear(); |
| |
| log.debug("logout"); |
| return true; |
| } |
| |
| private void clear() { |
| this.userData = null; |
| } |
| } |