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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.proxy;
import ai.vespa.http.HttpURL;
import ai.vespa.http.HttpURL.Path;
import com.yahoo.container.jdisc.HttpResponse;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
import java.nio.charset.StandardCharsets;
/**
* Response class that also rewrites URL from config server.
*
* @author Haakon Dybdahl
*/
public class ProxyResponse extends HttpResponse {
private final String bodyResponseRewritten;
private final String contentType;
public ProxyResponse(
ProxyRequest controllerRequest,
String bodyResponse,
int statusResponse,
URI configServer,
String contentType) {
super(statusResponse);
this.contentType = contentType;
// Configserver always serves from 4443, therefore all responses will have port 4443 in them,
// but the request URI (loadbalancer/VIP) is not always 4443
String configServerPrefix = HttpURL.from(configServer).withPort(4443).withPath(Path.empty()).asURI().toString();
String controllerRequestPrefix = controllerRequest.getControllerPrefixUri().toString();
bodyResponseRewritten = bodyResponse.replace(configServerPrefix, controllerRequestPrefix);
}
@Override
public void render(OutputStream stream) throws IOException {
stream.write(bodyResponseRewritten.getBytes(StandardCharsets.UTF_8));
}
@Override
public String getContentType() { return contentType; }
}
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