| /* |
| * 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.kafka.common.security.scram; |
| |
| import org.apache.kafka.common.security.scram.internals.ScramSaslClientProvider; |
| import org.apache.kafka.common.security.scram.internals.ScramSaslServerProvider; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| |
| import javax.security.auth.Subject; |
| import javax.security.auth.callback.CallbackHandler; |
| import javax.security.auth.spi.LoginModule; |
| |
| public class ScramLoginModule implements LoginModule { |
| |
| private static final String USERNAME_CONFIG = "username"; |
| private static final String PASSWORD_CONFIG = "password"; |
| public static final String TOKEN_AUTH_CONFIG = "tokenauth"; |
| |
| static { |
| ScramSaslClientProvider.initialize(); |
| ScramSaslServerProvider.initialize(); |
| } |
| |
| @Override |
| public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState, Map<String, ?> options) { |
| String username = (String) options.get(USERNAME_CONFIG); |
| if (username != null) |
| subject.getPublicCredentials().add(username); |
| String password = (String) options.get(PASSWORD_CONFIG); |
| if (password != null) |
| subject.getPrivateCredentials().add(password); |
| |
| Boolean useTokenAuthentication = "true".equalsIgnoreCase((String) options.get(TOKEN_AUTH_CONFIG)); |
| if (useTokenAuthentication) { |
| Map<String, String> scramExtensions = Collections.singletonMap(TOKEN_AUTH_CONFIG, "true"); |
| subject.getPublicCredentials().add(scramExtensions); |
| } |
| } |
| |
| @Override |
| public boolean login() { |
| return true; |
| } |
| |
| @Override |
| public boolean logout() { |
| return true; |
| } |
| |
| @Override |
| public boolean commit() { |
| return true; |
| } |
| |
| @Override |
| public boolean abort() { |
| return false; |
| } |
| } |