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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.dmaap.datarouter.node;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.onap.aaf.cadi.PropAccess;
import org.onap.aaf.cadi.filter.CadiFilter;
public class DRNodeCadiFilter extends CadiFilter {
private static EELFLogger logger = EELFManager.getInstance().getLogger(NodeServlet.class);
DRNodeCadiFilter(boolean init, PropAccess access) throws ServletException {
super(init, access);
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
HttpServletRequest httpRequest = (HttpServletRequest) request;
String path = httpRequest.getPathInfo();
if (!(path.startsWith("/internal"))) {
if (!("POST".equalsIgnoreCase(httpRequest.getMethod()))) {
if ("DELETE".equalsIgnoreCase(httpRequest.getMethod()) && path.startsWith("/delete")) {
chain.doFilter(request, response);
} else {
doFilterWithFeedId(request, response, chain);
}
}
} else {
chain.doFilter(request, response);
}
}
private String getFeedId(ServletRequest request, ServletResponse response) {
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse resp = (HttpServletResponse) response;
String fileid = req.getPathInfo();
if (fileid == null) {
logger.error("NODE0105 Rejecting bad URI for PUT " + req.getPathInfo() + " from " + req.getRemoteAddr());
try {
resp.sendError(HttpServletResponse.SC_NOT_FOUND,
"Invalid request URI. Expecting <feed-publishing-url>/<fileid>.");
} catch (IOException e) {
logger.error("NODE0541 DRNodeCadiFilter.getFeedId: ", e);
}
return null;
}
String feedid = "";
if (fileid.startsWith("/publish/")) {
fileid = fileid.substring(9);
int index = fileid.indexOf('/');
if (index == -1 || index == fileid.length() - 1) {
logger.error("NODE0105 Rejecting bad URI for PUT (publish) of " + req.getPathInfo() + " from " + req
.getRemoteAddr());
try {
resp.sendError(HttpServletResponse.SC_NOT_FOUND,
"Invalid request URI. Expecting <feed-publishing-url>/<fileid>. "
+ "Possible missing fileid.");
} catch (IOException e) {
logger.error("NODE0542 DRNodeCadiFilter.getFeedId: ", e);
}
return null;
}
feedid = fileid.substring(0, index);
}
return feedid;
}
private void doFilterWithFeedId(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
String feedId = getFeedId(request, response);
String aafDbInstance = NodeConfigManager.getInstance().getAafInstance(feedId);
if (aafDbInstance != null && !"".equals(aafDbInstance) && !"legacy".equalsIgnoreCase(aafDbInstance)) {
logger.info("DRNodeCadiFilter - doFilter: FeedId - " + feedId + ":" + "AAF Instance -" + aafDbInstance);
super.doFilter(request, response, chain);
} else {
logger.info("DRNodeCadiFilter - doFilter: FeedId - " + feedId + ":" + "Legacy Feed");
chain.doFilter(request, response);
}
}
}
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