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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.fe.servlets;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import org.eclipse.jetty.client.HttpClient;
import org.eclipse.jetty.client.api.Request;
import org.eclipse.jetty.http.HttpHeader;
import org.eclipse.jetty.proxy.ProxyServlet;
import org.eclipse.jetty.util.ssl.SslContextFactory;
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;
public abstract class SSLProxyServlet extends ProxyServlet {
private static final long serialVersionUID = 1L;
private static Logger log = LoggerFactory.getLogger(SSLProxyServlet.class.getName());
public enum BE_PROTOCOL {
HTTP("http"), SSL("ssl");
private String protocolName;
public String getProtocolName() {
return protocolName;
}
BE_PROTOCOL(String protocolName) {
this.protocolName = protocolName;
}
};
@Override
public void customizeProxyRequest(Request proxyRequest, HttpServletRequest request) {
super.customizeProxyRequest(proxyRequest, request);
// Add Missing Headers to proxy request
@SuppressWarnings("unchecked")
Enumeration<String> headerNames = request.getHeaderNames();
while (headerNames.hasMoreElements()) {
String headerName = headerNames.nextElement();
if (!proxyRequest.getHeaders().containsKey(headerName)) {
String headerVal = request.getHeader(headerName);
log.debug("Adding missing header to request, header name: {} , header value: {}", headerName,
headerVal);
proxyRequest.header(headerName, headerVal);
}
}
proxyRequest.getHeaders().remove(HttpHeader.HOST);
}
@Override
protected HttpClient createHttpClient() throws ServletException {
Configuration config = ((ConfigurationManager) getServletConfig().getServletContext()
.getAttribute(Constants.CONFIGURATION_MANAGER_ATTR)).getConfiguration();
boolean isSecureClient = !config.getBeProtocol().equals(BE_PROTOCOL.HTTP.getProtocolName());
HttpClient client = (isSecureClient) ? getSecureHttpClient() : super.createHttpClient();
setTimeout(600000);
client.setIdleTimeout(600000);
client.setStopTimeout(600000);
return client;
}
private HttpClient getSecureHttpClient() throws ServletException {
// Instantiate and configure the SslContextFactory
SslContextFactory sslContextFactory = new SslContextFactory(true);
// Instantiate HttpClient with the SslContextFactory
HttpClient httpClient = new HttpClient(sslContextFactory);
// Configure HttpClient, for example:
httpClient.setFollowRedirects(false);
// Start HttpClient
try {
httpClient.start();
return httpClient;
} catch (Exception x) {
throw new ServletException(x);
}
}
}
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