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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* 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.fe.servlets;
import org.eclipse.jetty.proxy.ProxyServlet;
import org.openecomp.sdc.common.api.Constants;
import org.openecomp.sdc.fe.config.Configuration;
import org.openecomp.sdc.fe.config.ConfigurationManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.http.HttpServletRequest;
public class KibanaServlet extends ProxyServlet {
private static final long serialVersionUID = 1L;
private static final Logger LOGGER = LoggerFactory.getLogger(KibanaServlet.class.getName());
@Override
public String rewriteTarget(HttpServletRequest request) {
String originalUrl = request.getRequestURI();
String redirectedUrl = getModifiedUrl(request);
LOGGER.debug("KibanaServlet Redirecting request from: {} , to: {}", originalUrl, redirectedUrl);
return redirectedUrl;
}
public String getModifiedUrl(HttpServletRequest request) {
Configuration config = getConfiguration(request);
if (config == null) {
LOGGER.error("Failed to retrieve configuration.");
throw new NullPointerException("Failed to retrieve configuration.");
}
String contextPath = request.getContextPath();
String servletPath = request.getServletPath();
String pathInfo = request.getPathInfo();
String queryString = request.getQueryString();
StringBuilder url = new StringBuilder();
url.append(config.getKibanaProtocol()).append("://").append(config.getKibanaHost());
url.append(":").append(config.getKibanaPort());
url.append(contextPath).append(servletPath);
if (pathInfo != null) {
url.append(pathInfo);
}
if (queryString != null) {
url.append("?").append(queryString);
}
return url.toString().replace("/sdc1/kibanaProxy/", "/");
}
private Configuration getConfiguration(HttpServletRequest request) {
return ((ConfigurationManager) request.getSession().getServletContext()
.getAttribute(Constants.CONFIGURATION_MANAGER_ATTR)).getConfiguration();
}
}
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