/*
* This program and the accompanying materials are made available under the terms of the
* Eclipse Public License v2.0 which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-v20.html
*
* SPDX-License-Identifier: EPL-2.0
*
* Copyright Contributors to the Zowe Project.
*/
package org.zowe.apiml.gateway.ribbon.http;
import lombok.RequiredArgsConstructor;
import org.apache.http.HttpRequest;
import org.apache.http.impl.client.CloseableHttpClient;
import org.springframework.cglib.proxy.Enhancer;
import org.springframework.cglib.proxy.MethodInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* Configuration class creates proxy bean for ClosableHttpClient that interceps method calls
*
* Actions on intercept are:
* Decide which client to use for call (with/without) certificate
* Decorate HttpRequest object with security
*/
@RequiredArgsConstructor
@Configuration
public class HttpClientProxyConfig {
private final HttpClientChooser clientChooser;
private final ServiceAuthenticationDecorator serviceAuthenticationDecorator;
@Bean
public CloseableHttpClient httpClientProxy() {
Enhancer e = new Enhancer();
e.setSuperclass(CloseableHttpClient.class);
e.setCallback((MethodInterceptor) (o, method, objects, methodProxy) ->
{
if (method.getName().equals("execute") && objects.length > 0 && objects[0] instanceof HttpRequest) {
serviceAuthenticationDecorator.process((HttpRequest) objects[0]);
}
return method.invoke(clientChooser.chooseClient(), objects);
}
);
return (CloseableHttpClient) e.create();
}
}
