package com.epam.wilma.browsermob.transformer;
/*==========================================================================
Copyright 2013-2017 EPAM Systems
This file is part of Wilma.
Wilma is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Wilma is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Wilma. If not, see <http://www.gnu.org/licenses/>.
===========================================================================*/
import com.epam.wilma.domain.http.WilmaHttpResponse;
import com.epam.wilma.domain.http.header.HttpHeaderChange;
import com.epam.wilma.domain.http.header.HttpHeaderToBeUpdated;
import net.lightbody.bmp.proxy.http.BrowserMobHttpResponse;
import org.apache.http.Header;
import org.apache.http.entity.ByteArrayEntity;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import java.io.IOException;
import java.util.Map;
/**
* Updates BrowserMob specific HTTP request using {@link com.epam.wilma.domain.http.WilmaHttpRequest}.
*
* @author Tamas Kohegyi
*/
@Component
public class BrowserMobResponseUpdater {
private final Logger logger = LoggerFactory.getLogger(BrowserMobResponseUpdater.class);
/**
* Updates BrowserMob specific HTTP response. Adds extra headers to the response only.
*
* @param browserMobHttpResponse what will be updated
* @param wilmaResponse contains refresher data
*/
public void updateResponse(final BrowserMobHttpResponse browserMobHttpResponse, final WilmaHttpResponse wilmaResponse) {
//Note: update (proxy) response is an experimental feature only
if (!wilmaResponse.isVolatile()) {
return;
}
// From now on, the response is volatile
// update the headers of the original response with extra headers added/removed by Resp interceptors
Map<String, HttpHeaderChange> headerChangeMap = wilmaResponse.getHeaderChanges();
if (headerChangeMap != null && !headerChangeMap.isEmpty()) { //we have header change requests
for (Map.Entry<String, HttpHeaderChange> headerChangeEntry : headerChangeMap.entrySet()) {
String headerKey = headerChangeEntry.getKey();
HttpHeaderChange headerChange = headerChangeEntry.getValue();
Header header = browserMobHttpResponse.getRawResponse().getFirstHeader(headerKey);
if (headerChange instanceof HttpHeaderToBeUpdated) {
// it is HttpHeaderToBeChanged, so added, or updated
if (header != null) {
((HttpHeaderToBeUpdated) headerChange).setOriginalValue(header.getValue());
}
browserMobHttpResponse.getRawResponse().addHeader(headerKey, ((HttpHeaderToBeUpdated) headerChange).getNewValue());
headerChange.setApplied();
} else {
// it is HttpHeaderToBeRemoved
if (header != null) {
browserMobHttpResponse.getRawResponse().removeHeader(header);
headerChange.setApplied();
}
}
}
}
byte[] newBody = wilmaResponse.getNewBody();
if (newBody != null) {
try {
browserMobHttpResponse.setAnswer(newBody);
browserMobHttpResponse.getRawResponse().setEntity(new ByteArrayEntity(wilmaResponse.getNewBody()));
} catch (IOException e) {
//ups, were unable to set new response correctly ...
logger.warn("Message ont-the-fly update was failed for message: " + wilmaResponse.getWilmaMessageId(), e);
}
}
}
}