/**
* 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.hadoop.gateway.audit.log4j.audit;
import org.apache.hadoop.gateway.audit.api.AuditContext;
import org.apache.hadoop.gateway.audit.api.AuditService;
import org.apache.hadoop.gateway.audit.api.Auditor;
import org.apache.hadoop.gateway.audit.api.CorrelationContext;
import org.apache.hadoop.gateway.audit.api.CorrelationService;
import org.apache.hadoop.gateway.audit.log4j.correlation.Log4jCorrelationService;
import org.apache.log4j.Logger;
import org.apache.log4j.MDC;
public class Log4jAuditor implements Auditor {
private Logger logger;
private String componentName;
private String serviceName;
private AuditService auditService = new Log4jAuditService();
private CorrelationService correlationService = new Log4jCorrelationService();
public Log4jAuditor( String loggerName, String componentName, String serviceName ) {
logger = Logger.getLogger( loggerName );
logger.setAdditivity( false );
this.componentName = componentName;
this.serviceName = serviceName;
}
@Override
public void audit( CorrelationContext correlationContext, AuditContext auditContext, String action, String resourceName, String resourceType, String outcome, String message ) {
CorrelationContext previousCorrelationContext = null;
AuditContext previousAuditContext = null;
try {
previousCorrelationContext = correlationService.getContext();
previousAuditContext = auditService.getContext();
auditService.attachContext( auditContext );
correlationService.attachContext( correlationContext );
auditLog( action, resourceName, resourceType, outcome, message );
} finally {
if ( previousAuditContext != null ) {
auditService.attachContext( previousAuditContext );
}
if ( previousCorrelationContext != null ) {
correlationService.attachContext( previousCorrelationContext );
}
}
}
@Override
public void audit( String action, String resourceName, String resourceType, String outcome, String message ) {
auditLog( action, resourceName, resourceType, outcome, message );
}
@Override
public void audit( String action, String resourceName, String resourceType, String outcome ) {
auditLog( action, resourceName, resourceType, outcome, null );
}
private void auditLog( String action, String resourceName, String resourceType, String outcome, String message ) {
if ( logger.isInfoEnabled() ) {
MDC.put( AuditConstants.MDC_ACTION_KEY, action );
MDC.put( AuditConstants.MDC_RESOURCE_NAME_KEY, resourceName );
MDC.put( AuditConstants.MDC_RESOURCE_TYPE_KEY, resourceType );
MDC.put( AuditConstants.MDC_OUTCOME_KEY, outcome );
MDC.put( AuditConstants.MDC_SERVICE_KEY, serviceName );
MDC.put( AuditConstants.MDC_COMPONENT_KEY, componentName );
logger.info( message );
MDC.remove( AuditConstants.MDC_ACTION_KEY );
MDC.remove( AuditConstants.MDC_RESOURCE_NAME_KEY );
MDC.remove( AuditConstants.MDC_RESOURCE_TYPE_KEY );
MDC.remove( AuditConstants.MDC_OUTCOME_KEY );
MDC.remove( AuditConstants.MDC_SERVICE_KEY );
MDC.remove( AuditConstants.MDC_COMPONENT_KEY );
}
}
@Override
public String getComponentName() {
return componentName;
}
@Override
public String getServiceName() {
return serviceName;
}
@Override
public String getAuditorName() {
return logger.getName();
}
}