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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.aai.aaf.filters;
import org.onap.aai.aaf.auth.AafRequestFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.web.servlet.filter.OrderedRequestContextFilter;
import org.springframework.context.annotation.Profile;
import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Properties;
import java.util.stream.Collectors;
/**
* AAF with client cert authorization filter
*/
@Component
@Profile(AafProfiles.AAF_CERT_AUTHENTICATION)
@PropertySource(value = "file:${CONFIG_HOME}/aaf/permissions.properties", ignoreResourceNotFound = true)
@PropertySource(value = "file:${server.local.startpath}/aaf/permissions.properties", ignoreResourceNotFound = true)
public class AafCertAuthorizationFilter extends OrderedRequestContextFilter {
private static final String ADVANCED = "advanced";
private static final String BASIC = "basic";
String type;
String instance;
private CadiProps cadiProps;
private List<String> advancedKeywordsList;
@Autowired
public AafCertAuthorizationFilter(
@Value("${permission.type}") String type,
@Value("${permission.instance}") String instance,
@Value("${advanced.keywords.list:}") String advancedKeys,
CadiProps cadiProps
) {
this.type = type;
this.instance = instance;
this.cadiProps = cadiProps;
if(advancedKeys == null || advancedKeys.isEmpty()){
this.advancedKeywordsList = new ArrayList<>();
} else {
this.advancedKeywordsList = Arrays.stream(advancedKeys.split(","))
.collect(Collectors.toList());
}
this.setOrder(FilterPriority.AAF_CERT_AUTHORIZATION.getPriority());
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws IOException, ServletException {
if(advancedKeywordsList == null || advancedKeywordsList.size() == 0){
String permission = String.format("%s|%s|%s", type, instance, request.getMethod().toLowerCase());
AafRequestFilter.authorizationFilter(request, response, filterChain, permission, cadiProps.getCadiProperties());
} else {
boolean isAdvanced = this.containsAdvancedKeywords(request);
//if the URI contains advanced.keywords it's an advanced query
String queryType = isAdvanced ? ADVANCED : BASIC;
String permission = String.format("%s|%s|%s", type, instance, queryType);
AafRequestFilter.authorizationFilter(request, response, filterChain, permission, cadiProps.getCadiProperties());
}
}
private boolean containsAdvancedKeywords(HttpServletRequest request) {
String uri = request.getRequestURI();
for (String keyword: advancedKeywordsList) {
if (uri.contains(keyword)) {
return true;
}
}
return false;
}
}
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