/*
* 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.ConfUtils;
import org.apache.openejb.util.LogCategory;
import org.apache.openejb.util.Logger;
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 java.io.IOException;
import java.net.URL;
import java.util.Enumeration;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import static org.apache.openejb.loader.IO.readProperties;
/**
* @version $Rev: 1239306 $ $Date: 2012-02-01 12:24:03 -0800 (Wed, 01 Feb 2012) $
*/
public class PropertiesLoginModule implements LoginModule {
private final String USER_FILE = "UsersFile";
private final String GROUP_FILE = "GroupsFile";
private static Logger log = Logger.getInstance(LogCategory.OPENEJB_SECURITY, "org.apache.openejb.util.resources");
private Subject subject;
private CallbackHandler callbackHandler;
private boolean debug;
private Properties users = new Properties();
private Properties groups = new Properties();
private String user;
private Set principals = new LinkedHashSet();
private URL usersUrl;
private URL groupsUrl;
public void initialize(Subject subject, CallbackHandler callbackHandler, Map sharedState, Map options) {
this.subject = subject;
this.callbackHandler = callbackHandler;
debug = log.isDebugEnabled() || "true".equalsIgnoreCase((String) options.get("Debug"));
String usersFile = (String) options.get(USER_FILE) + "";
String groupsFile = (String) options.get(GROUP_FILE) + "";
usersUrl = ConfUtils.getConfResource(usersFile);
groupsUrl = ConfUtils.getConfResource(groupsFile);
if (debug){
log.debug("Users file: " + usersUrl.toExternalForm());
log.debug("Groups file: " + groupsUrl.toExternalForm());
}
}
public boolean login() throws LoginException {
try {
users = readProperties(usersUrl);
} catch (IOException ioe) {
throw new LoginException("Unable to load user properties file " + usersUrl.getFile());
}
try {
groups = readProperties(groupsUrl);
} catch (IOException ioe) {
throw new LoginException("Unable to load group properties file " + groupsUrl.getFile());
}
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 password = users.getProperty(user);
if (password == null) throw new FailedLoginException("User does not exist");
if (!password.equals(new String(tmpPassword))) throw new FailedLoginException("Password does not match");
users.clear();
if (debug) {
log.debug("Logged in as '" + user+"'");
}
return true;
}
public boolean commit() throws LoginException {
principals.add(new UserPrincipal(user));
for (Enumeration enumeration = groups.keys(); enumeration.hasMoreElements();) {
String name = (String) enumeration.nextElement();
String[] userList = ((String) groups.getProperty(name) + "").split(",");
for (int i = 0; i < userList.length; i++) {
if (user.equals(userList[i])) {
principals.add(new GroupPrincipal(name));
break;
}
}
}
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() {
groups.clear();
user = null;
}
}