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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 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=========================================================
*/
package org.openecomp.sdc.be.filters;
import java.io.IOException;
import java.util.List;
import java.util.stream.Stream;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.WebApplicationException;
import org.apache.http.HttpStatus;
import org.openecomp.sdc.be.components.impl.exceptions.ComponentException;
import org.openecomp.sdc.be.config.Configuration;
import org.openecomp.sdc.be.servlets.exception.ComponentExceptionMapper;
import org.openecomp.sdc.common.api.FilterDecisionEnum;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.openecomp.sdc.common.util.ThreadLocalsHolder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component("gatewayFilter")
public class GatewayFilter implements Filter {
private static final Logger log = Logger.getLogger(BeServletFilter.class);
private Configuration.CookieConfig authCookieConf;
private Configuration config;
@Autowired
private ThreadLocalUtils threadLocalUtils;
@Autowired
private ComponentExceptionMapper componentExceptionMapper;
public GatewayFilter(org.openecomp.sdc.be.config.Configuration configuration) {
this.authCookieConf = configuration.getAuthCookie();
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain filterChain) throws IOException, ServletException {
HttpServletRequest httpRequest = (HttpServletRequest) req;
HttpServletResponse httpResponse = (HttpServletResponse) res;
try {
if (isUrlFromWhiteList(httpRequest) || isConsumerBusinessLogic()) {
ThreadLocalsHolder.setApiType(FilterDecisionEnum.NA);
threadLocalUtils.setUserContextFromDB(httpRequest);
filterChain.doFilter(httpRequest, res);
}
} catch (ComponentException ce) {
componentExceptionMapper.writeToResponse(ce, httpResponse);
} catch (WebApplicationException we) {
httpResponse.setStatus(we.getResponse().getStatus());
setDefaultHttpParams(httpResponse);
httpResponse.getWriter().write(we.getMessage());
} catch (Exception ex) {
httpResponse.setStatus(HttpStatus.SC_INTERNAL_SERVER_ERROR);
setDefaultHttpParams(httpResponse);
httpResponse.getWriter().write(ex.getMessage());
}
}
private void setDefaultHttpParams(HttpServletResponse httpResponse) {
httpResponse.setContentType("application/json");
httpResponse.setCharacterEncoding("UTF-8");
}
private boolean isUrlFromWhiteList(HttpServletRequest httpRequest) {
String pathInfo;
List<String> excludedUrls = authCookieConf.getExcludedUrls();
pathInfo = httpRequest.getPathInfo().toLowerCase();
log.debug("SessionValidationFilter: white list validation -> PathInfo: {} ", pathInfo);
Stream<String> stream = excludedUrls.stream();
pathInfo.getClass();
return stream.anyMatch(pathInfo::matches);
}
private Boolean isConsumerBusinessLogic() {
return config.getConsumerBusinessLogic();
}
@Override
public void destroy() {
}
}
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