kafka PlainLoginModule 源码
kafka PlainLoginModule 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/security/plain/PlainLoginModule.java
/*
* 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.plain;
import org.apache.kafka.common.security.plain.internals.PlainSaslServerProvider;
import java.util.Map;
import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.spi.LoginModule;
public class PlainLoginModule implements LoginModule {
private static final String USERNAME_CONFIG = "username";
private static final String PASSWORD_CONFIG = "password";
static {
PlainSaslServerProvider.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);
}
@Override
public boolean login() {
return true;
}
@Override
public boolean logout() {
return true;
}
@Override
public boolean commit() {
return true;
}
@Override
public boolean abort() {
return false;
}
}
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