/*-
 * ============LICENSE_START=======================================================
  * org.onap.dmaap
 * ================================================================================
 * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */
package org.onap.dmaap.dbcapi.authentication;


import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;

import org.apache.log4j.Logger;
import org.onap.aaf.cadi.CadiException;
import org.onap.aaf.cadi.LocatorException;
import org.onap.aaf.cadi.PropAccess;
import org.onap.aaf.misc.env.APIException;
import org.onap.dmaap.dbcapi.aaf.AafLurService;
import org.onap.dmaap.dbcapi.aaf.DmaapPerm;
import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
import org.onap.dmaap.dbcapi.server.Main;
import org.onap.dmaap.dbcapi.util.DmaapConfig;


	

public class AafLurAndFish implements ApiAuthorizationCheckInterface {
	private AafLurService svc;
	private static String api_namespace;
	static final Logger logger = Logger.getLogger(AafLurAndFish.class);
	
	AafLurAndFish()  throws AuthenticationErrorException  {
	
		String[] args = new String[1];
		DmaapConfig p = (DmaapConfig)DmaapConfig.getConfig();
		api_namespace = p.getProperty( "ApiNamespace", "org.onap.dmaap-bc.api");

		String cadiprop = p.getProperty( "cadi.properties", "/opt/app/osaaf/local/org.onap.dmaap-bc.props");
		logger.info( "cadiprops in " + cadiprop );
		Properties props = new Properties();
		try {
			FileInputStream fis = new FileInputStream( cadiprop );
			try {
				props.load( fis );
			} finally {
				fis.close();
			}
		} catch ( IOException e ) {
			logger.error( "Unable to load " + cadiprop );
			throw new AuthenticationErrorException( );
		}
		try {
			PropAccess myAccess = new PropAccess( props );
		
			svc =  AafLurService.getInstance(myAccess);
		} catch (APIException | CadiException | LocatorException e ) { 
			logger.error( e.toString() );
			throw new AuthenticationErrorException();
		}
	
	}
	
	public void check( String mechid, String pwd, DmaapPerm p ) throws AuthenticationErrorException {
	
		try {
			boolean resp = svc.checkPerm( api_namespace, mechid, pwd, p );
			if ( resp == false ) {
				throw new AuthenticationErrorException();
			}
		} catch ( IOException | CadiException  e ) { 
			logger.error( e.toString() );
			throw new AuthenticationErrorException();
		}
		
	}
	
	   public static void main(String[] args) throws Exception {
	        AafLurAndFish alaf = new AafLurAndFish();
	        DmaapPerm p = new DmaapPerm( "org.onap.dmaap-bc.api.dmaap", "boot", "GET");
	        
	        alaf.check("demo@people.osaaf.org", "demo123456!", p);
	    }
}