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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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.onap.aaf.cadi.PropAccess;
import org.onap.aaf.cadi.filter.CadiFilter;
import org.onap.aai.aaf.auth.ResponseFormatter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.filter.OrderedRequestContextFilter;
import org.springframework.context.annotation.Profile;
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;
/**
* AAF authentication filter
*/
@Component
@Profile(AafProfiles.AAF_AUTHENTICATION)
public class AafFilter extends OrderedRequestContextFilter {
private static final Logger LOGGER = LoggerFactory.getLogger(AafCertFilter.class);
private final CadiFilter cadiFilter;
@Autowired
public AafFilter(CadiProps cadiProps) throws IOException, ServletException {
cadiFilter = new CadiFilter(new PropAccess((level,element)->{
switch (level) {
case DEBUG:
LOGGER.debug(buildMsg(element));
break;
case INFO:
case AUDIT:
LOGGER.info(buildMsg(element));
break;
case WARN:
LOGGER.warn(buildMsg(element));
break;
case ERROR:
LOGGER.error(buildMsg(element));
break;
case INIT:
LOGGER.info(buildMsg(element));
break;
case TRACE:
LOGGER.trace(buildMsg(element));
break;
case NONE:
break;
}
}, new String[]{"cadi_prop_files=" + cadiProps.getCadiFileName()} ));
this.setOrder(FilterPriority.AAF_AUTHENTICATION.getPriority());
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws IOException, ServletException {
if (!request.getRequestURI().matches("^.*/util/echo$")) {
cadiFilter.doFilter(request, response, filterChain);
if (response.getStatus() == 401 || response.getStatus() == 403) {
ResponseFormatter.errorResponse(request, response);
}
} else {
filterChain.doFilter(request, response);
}
}
private String buildMsg(Object[] objects) {
StringBuilder sb = new StringBuilder();
boolean first = true;
for ( Object o: objects ) {
if (first) {
first = false;
}
else {
sb.append(' ');
}
sb.append(o.toString());
}
return (sb.toString());
}
}
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