org.apache.iotdb.db.mqtt.BrokerAuthenticator Maven / Gradle / Ivy

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/*
 * 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.iotdb.db.mqtt;

import io.moquette.broker.security.IAuthenticator;
import org.apache.commons.lang.StringUtils;
import org.apache.iotdb.db.auth.AuthException;
import org.apache.iotdb.db.auth.authorizer.BasicAuthorizer;
import org.apache.iotdb.db.auth.authorizer.IAuthorizer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * The MQTT broker authenticator.
 */
public class BrokerAuthenticator implements IAuthenticator {
    private static final Logger LOG = LoggerFactory.getLogger(BrokerAuthenticator.class);

    @Override
    public boolean checkValid(String clientId, String username, byte[] password) {
        if (StringUtils.isBlank(username) || password == null) {
            return false;
        }

        try {
            IAuthorizer authorizer = BasicAuthorizer.getInstance();
            return authorizer.login(username, new String(password));
        } catch (AuthException e) {
            LOG.info("meet error while logging in.", e);
            return false;
        }
    }
}