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/*
* Copyright © 2019 AT&T Intellectual Property.
*
* 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.
*
*
* Unless otherwise specified, all documentation contained herein is licensed under the Creative
* Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
* in compliance with the License. You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.aaf;
import java.io.IOException;
import java.util.List;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.onap.aaf.cadi.CadiWrap;
import org.onap.aaf.cadi.Permission;
import org.onap.observations.Observation;
import org.onap.optf.cmso.common.exceptions.CmsoException;
import org.onap.optf.cmso.topology.SpringProfiles;
import org.onap.optf.cmso.topology.common.LogMessages;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.servlet.filter.OrderedRequestContextFilter;
import org.springframework.context.annotation.Profile;
import org.springframework.stereotype.Component;
/**
* AAF authorization filter.
*/
@Component
@Profile(SpringProfiles.AAF_AUTHENTICATION)
public class AafAuthorizationFilter extends OrderedRequestContextFilter {
@Autowired
AafUserRoleProperties userRoleProperties;
/**
* Instantiates a new aaf authorization filter.
*/
public AafAuthorizationFilter() {
this.setOrder(FilterPriority.AAF_AUTHORIZATION.getPriority());
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
throws IOException, ServletException {
try {
if (request instanceof CadiWrap) {
CadiWrap cw = (CadiWrap) request;
List<Permission> perms = cw.getPermissions(cw.getUserPrincipal());
if (userRoleProperties.processPermissions(request, perms)) {
filterChain.doFilter(request, response);
} else {
Observation.report(LogMessages.UNAUTHORIZED);
ResponseFormatter.errorResponse(request, response, new CmsoException(
LogMessages.UNAUTHORIZED.getStatus(), LogMessages.UNAUTHORIZED, ""));
}
} else {
throw new Exception();
}
} catch (Exception e) {
Observation.report(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());
ResponseFormatter.errorResponse(request, response,
new CmsoException(LogMessages.UNAUTHORIZED.getStatus(), LogMessages.UNAUTHORIZED, ""));
}
}
}
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