package com.thinkbiganalytics.nifi.v1.security;
/*-
* #%L
* thinkbig-nifi-security-v1
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* Licensed 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.
* #L%
*/
import com.thinkbiganalytics.nifi.security.AbstractKerberosProperties;
import org.apache.nifi.controller.ControllerServiceInitializationContext;
import org.apache.nifi.processor.ProcessorInitializationContext;
import org.springframework.beans.factory.annotation.Autowired;
import java.io.File;
import javax.annotation.Nullable;
/**
* Provides Kerberos properties for NiFi v1.0.
*/
public class KerberosPropertiesV1 extends AbstractKerberosProperties {
/**
* Context for the controller service using these Kerberos properties
*/
@Autowired(required = false)
@Nullable
private ControllerServiceInitializationContext controllerServiceContext;
/**
* Context for the processor using these Kerberos properties
*/
@Autowired(required = false)
@Nullable
private ProcessorInitializationContext processorContext;
@Nullable
@Override
protected File getKerberosConfigurationFile() {
final File kerberosConfigurationFile;
if (controllerServiceContext != null) {
kerberosConfigurationFile = controllerServiceContext.getKerberosConfigurationFile();
} else if (processorContext != null) {
kerberosConfigurationFile = processorContext.getKerberosConfigurationFile();
} else {
kerberosConfigurationFile = null;
}
if (kerberosConfigurationFile != null) {
System.setProperty("java.security.krb5.conf", kerberosConfigurationFile.getAbsolutePath());
}
return kerberosConfigurationFile;
}
}