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/*-
 * ============LICENSE_START=======================================================
 * OpenECOMP - org.openecomp.dmaapbc
 * ================================================================================
 * Copyright (C) 2017 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.openecomp.dmaapbc.resources;

import java.io.IOException;

import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;

import org.openecomp.dmaapbc.authentication.AuthenticationErrorException;
import org.openecomp.dmaapbc.service.ApiService;
import org.openecomp.dmaapbc.util.DmaapConfig;


@Authorization
public class AuthorizationFilter implements ContainerRequestFilter   {
	

	
	@Override
	public void filter(ContainerRequestContext requestContext)
			throws IOException {

		ApiService apiResp = new ApiService()
			.setAuth( requestContext.getHeaderString("Authorization") )
			.setUriPath(requestContext.getUriInfo().getPath())
			.setHttpMethod( requestContext.getMethod() )
			.setRequestId( requestContext.getHeaderString("X-ECOMP-RequestID") );
		
		try {
			apiResp.checkAuthorization();
		} catch ( AuthenticationErrorException ae ) {
			requestContext.abortWith( apiResp.unauthorized( apiResp.getErr().getMessage() ) );
			return ;
		} catch ( Exception e ) {
			requestContext.abortWith( apiResp.unavailable() ); 
			return;
		}
		

	}

}