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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2020 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 org.onap.aaf.cadi.Access;
import org.onap.aaf.cadi.PropAccess;
import org.onap.aaf.cadi.config.Config;
import org.onap.aaf.cadi.filter.CadiFilter;
import org.openecomp.sdc.be.components.impl.CADIHealthCheck;
import org.openecomp.sdc.be.config.CadiFilterParams;
import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.be.impl.WebAppContextWrapper;
import org.openecomp.sdc.common.api.Constants;
import org.openecomp.sdc.common.api.HealthCheckInfo;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.openecomp.sdc.common.util.ThreadLocalsHolder;
import org.springframework.web.context.WebApplicationContext;
import javax.annotation.Priority;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.function.Supplier;
@Priority(2)
public class BeCadiServletFilter extends CadiFilter {
private static final Logger log = Logger.getLogger(BeCadiServletFilter.class);
private ConfigurationManager configurationManager = ConfigurationManager.getConfigurationManager();
private static final String BE_CADI_SERVICE_FILTER = "BeCadiServletFilter: ";
public BeCadiServletFilter() {
super();
log.debug(BE_CADI_SERVICE_FILTER);
}
/**
* This constructor to be used when directly constructing and placing in HTTP Engine
*
* @param access
* @param moreTafLurs
* @throws ServletException
*/
public BeCadiServletFilter(Access access, Object... moreTafLurs) throws ServletException {
super(access, moreTafLurs);
log.debug(BE_CADI_SERVICE_FILTER);
}
/**
* Use this to pass in a PreContructed CADI Filter, but with initializing... let Servlet do it
*
* @param init
* @param access
* @param moreTafLurs
* @throws ServletException
*/
public BeCadiServletFilter(boolean init, PropAccess access, Object... moreTafLurs) throws ServletException {
super(init, access, moreTafLurs);
log.debug(BE_CADI_SERVICE_FILTER);
}
private void checkIfNullProperty(String key, String value) {
/* When value is null, so not defined in application.properties
set nothing in System properties */
if (value != null) {
/* Ensure that any properties already defined in System.prop by JVM params
won't be overwritten by Spring application.properties values */
System.setProperty(key, System.getProperty(key, value));
}
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
// set some properties in System so that Cadi filter will find its config
// The JVM values set will always overwrite the Spring ones.
CadiFilterParams cadiFilterParams = configurationManager.getConfiguration().getCadiFilterParams();
checkIfNullProperty(Config.HOSTNAME, cadiFilterParams.getHostname());
log.debug("BeCadiServletFilter: HOSTNAME", cadiFilterParams.getHostname());
checkIfNullProperty(Config.CADI_KEYFILE, cadiFilterParams.getCadi_keyfile());
checkIfNullProperty(Config.CADI_LOGLEVEL, cadiFilterParams.getCadi_loglevel());
checkIfNullProperty(Config.CADI_LATITUDE, cadiFilterParams.getAFT_LATITUDE());
checkIfNullProperty(Config.CADI_LONGITUDE, cadiFilterParams.getAFT_LONGITUDE());
checkIfNullProperty(Config.AAF_URL, cadiFilterParams.getAaf_url());
//checkIfNullProperty(Config.AAF_LOCATE_URL, cadiFilterParams.getAafLocateUrl());
checkIfNullProperty(Config.AAF_APPID, cadiFilterParams.getAaf_id());
checkIfNullProperty(Config.AAF_APPPASS, cadiFilterParams.getAaf_password());
checkIfNullProperty(Config.AAF_ENV, cadiFilterParams.getAFT_ENVIRONMENT());
checkIfNullProperty(Config.CADI_X509_ISSUERS, cadiFilterParams.getCadiX509Issuers());
checkIfNullProperty(Config.CADI_TRUSTSTORE, cadiFilterParams.getCadi_truststore());
checkIfNullProperty(Config.CADI_TRUSTSTORE_PASSWORD, cadiFilterParams.getCadi_truststore_password());
super.init(filterConfig);
log.debug("BeCadiServletFilter finishing init(), Current status of CADI would be UP");
if (!isNeedAuth()) {
CADIHealthCheck.getCADIHealthCheckInstance().setIsCADIUp(HealthCheckInfo.HealthCheckStatus.DOWN);
} else {
CADIHealthCheck.getCADIHealthCheckInstance().setIsCADIUp(HealthCheckInfo.HealthCheckStatus.UP);
}
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
if (ThreadLocalsHolder.isExternalRequest() && isNeedAuth()) {
log.debug("doFilter: {}", request.getContentType());
HttpServletRequest hreq = (HttpServletRequest) request;
log.debug("Need aaf authentication : {}", hreq);
ThreadLocalUtils threadLocalUtils = getThreadLocalUtils(((HttpServletRequest) request).getSession().getServletContext());
threadLocalUtils.setUserContext((HttpServletRequest) request);
super.doFilter(request, response, chain);
} else {
log.debug("No need aaf authentication");
chain.doFilter(request, response);
}
}
private boolean isNeedAuth() {
return configurationManager.getConfiguration().getAafAuthNeeded();
}
ThreadLocalUtils getThreadLocalUtils(ServletContext context) {
return getClassFromWebAppContext(context, () -> ThreadLocalUtils.class);
}
<T> T getClassFromWebAppContext(ServletContext context, Supplier<Class<T>> businessLogicClassGen) {
WebAppContextWrapper webApplicationContextWrapper = (WebAppContextWrapper) context.getAttribute(Constants.WEB_APPLICATION_CONTEXT_WRAPPER_ATTR);
WebApplicationContext webApplicationContext = webApplicationContextWrapper.getWebAppContext(context);
return webApplicationContext.getBean(businessLogicClassGen.get());
}
}
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