org.apache.activemq.jaas.PropertiesLoginModule Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of activemq-osgi Show documentation
Show all versions of activemq-osgi Show documentation
Puts together an ActiveMQ OSGi bundle
/**
* 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.File;
import java.io.IOException;
import java.security.Principal;
import java.util.HashSet;
import java.util.Map;
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 implements LoginModule {
private static final String USER_FILE = "org.apache.activemq.jaas.properties.user";
private static final String GROUP_FILE = "org.apache.activemq.jaas.properties.group";
private static final Logger LOG = LoggerFactory.getLogger(PropertiesLoginModule.class);
private Subject subject;
private CallbackHandler callbackHandler;
private boolean debug;
private boolean reload = false;
private static volatile PrincipalProperties users;
private static volatile PrincipalProperties groups;
private String user;
private final Set principals = new HashSet();
private File baseDir;
private boolean loginSucceeded;
private boolean decrypt = true;
@Override
public void initialize(Subject subject, CallbackHandler callbackHandler, Map sharedState, Map options) {
this.subject = subject;
this.callbackHandler = callbackHandler;
loginSucceeded = false;
debug = "true".equalsIgnoreCase((String) options.get("debug"));
if (options.get("reload") != null) {
reload = "true".equalsIgnoreCase((String) options.get("reload"));
}
if (options.get("baseDir") != null) {
baseDir = new File((String) options.get("baseDir"));
}
setBaseDir();
String usersFile = (String) options.get(USER_FILE) + "";
File uf = baseDir != null ? new File(baseDir, usersFile) : new File(usersFile);
if (reload || users == null || uf.lastModified() > users.getReloadTime()) {
if (debug) {
LOG.debug("Reloading users from " + uf.getAbsolutePath());
}
users = new PrincipalProperties("user", uf, LOG);
if( decrypt ) {
try {
EncryptionSupport.decrypt(users.getPrincipals());
} catch(NoClassDefFoundError e) {
// this Happens whe jasypt is not on the classpath..
decrypt = false;
LOG.info("jasypt is not on the classpath: password decryption disabled.");
}
}
}
String groupsFile = (String) options.get(GROUP_FILE) + "";
File gf = baseDir != null ? new File(baseDir, groupsFile) : new File(groupsFile);
if (reload || groups == null || gf.lastModified() > groups.getReloadTime()) {
if (debug) {
LOG.debug("Reloading groups from " + gf.getAbsolutePath());
}
groups = new PrincipalProperties("group", gf, LOG);
}
}
private void setBaseDir() {
if (baseDir == null) {
if (System.getProperty("java.security.auth.login.config") != null) {
baseDir = new File(System.getProperty("java.security.auth.login.config")).getParentFile();
if (debug) {
LOG.debug("Using basedir=" + baseDir.getAbsolutePath());
}
}
}
}
@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");
}
loginSucceeded = true;
if (debug) {
LOG.debug("login " + user);
}
return loginSucceeded;
}
@Override
public boolean commit() throws LoginException {
boolean result = loginSucceeded;
if (result) {
principals.add(new UserPrincipal(user));
for (Map.Entry entry : groups.entries()) {
String name = entry.getKey();
String[] userList = entry.getValue().split(",");
for (int i = 0; i < userList.length; i++) {
if (user.equals(userList[i])) {
principals.add(new GroupPrincipal(name));
break;
}
}
}
subject.getPrincipals().addAll(principals);
}
// will whack loginSucceeded
clear();
if (debug) {
LOG.debug("commit, result: " + result);
}
return result;
}
@Override
public boolean abort() throws LoginException {
clear();
if (debug) {
LOG.debug("abort");
}
return true;
}
@Override
public boolean logout() throws LoginException {
subject.getPrincipals().removeAll(principals);
principals.clear();
clear();
if (debug) {
LOG.debug("logout");
}
return true;
}
private void clear() {
user = null;
loginSucceeded = false;
}
/**
* For test-usage only.
*/
static void resetUsersAndGroupsCache() {
users = null;
groups = null;
}
}