/*******************************************************************************
* ============LICENSE_START==================================================
* * org.onap.dmaap
* * ===========================================================================
* * Copyright © 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====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package org.onap.dmaap.datarouter.authz;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
/**
* A Data Router API that requires authorization of incoming requests creates an instance of a class that implements
* the Authorizer
interface. The class implements all of the logic necessary to determine if an API
* request is permitted. In Data Router R1, the classes that implement the Authorizer
interface will have
* local logic that makes the authorization decision. After R1, these classes will instead have logic that creates XACML
* authorization requests, sends these requests to a Policy Decision Point (PDP), and parses the XACML responses.
*
* @author J. F. Lucas
*
*/
public interface Authorizer {
/**
* Determine if the API request carried in the request
parameter is permitted.
*
* @param request the HTTP request for which an authorization decision is needed
* @return an object implementing the AuthorizationResponse
interface. This object includes the
* permit/deny decision for the request and (after R1) supplemental information related to the response in the form
* of advice and obligations.
*/
public AuthorizationResponse decide(HttpServletRequest request);
/**
* Determine if the API request carried in the request
parameter, with additional attributes provided in
* the additionalAttrs
parameter, is permitted.
*
* @param request the HTTP request for which an authorization decision is needed
* @param additionalAttrs additional attributes that the Authorizer
can in making an authorization decision
* @return an object implementing the AuthorizationResponse
interface. This object includes the
* permit/deny decision for the request and (after R1) supplemental information related to the response in the form
* of advice and obligations.
*/
public AuthorizationResponse decide(HttpServletRequest request, Map additionalAttrs);
}