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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

package cn.hippo4j.springboot.starter.config;

import cn.hippo4j.springboot.starter.toolkit.HttpClientUtil;
import cn.hippo4j.springboot.starter.remote.HttpAgent;
import cn.hippo4j.springboot.starter.remote.ServerHttpAgent;
import lombok.SneakyThrows;
import okhttp3.OkHttpClient;
import org.springframework.context.annotation.Bean;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.util.concurrent.TimeUnit;

/**
 * Http client config.
 *
 * @author chen.ma
 * @date 2021/6/10 13:28
 */
public class HttpClientConfiguration {

    @Bean
    public OkHttpClient hippo4JOkHttpClient() {
        OkHttpClient.Builder build = new OkHttpClient.Builder();
        build.connectTimeout(10, TimeUnit.SECONDS)
                .readTimeout(30, TimeUnit.SECONDS)
                .build();
        supportHttps(build);
        return build.build();
    }

    @Bean
    public HttpClientUtil hippo4JHttpClientUtil() {
        return new HttpClientUtil();
    }

    @Bean
    @SuppressWarnings("all")
    public HttpAgent httpAgent(BootstrapProperties properties, HttpClientUtil hippo4JHttpClientUtil) {
        return new ServerHttpAgent(properties, hippo4JHttpClientUtil);
    }

    @SneakyThrows
    private void supportHttps(OkHttpClient.Builder builder) {
        final TrustManager[] trustAllCerts = new TrustManager[]{new X509TrustManager() {

            @Override
            public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType) {
            }

            @Override
            public void checkServerTrusted(java.security.cert.X509Certificate[] chain, String authType) {
            }

            @Override
            public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                return new java.security.cert.X509Certificate[]{};
            }
        }};

        final SSLContext sslContext = SSLContext.getInstance("SSL");
        sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
        final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
        builder.sslSocketFactory(sslSocketFactory, (X509TrustManager) trustAllCerts[0]);
        builder.hostnameVerifier((hostname, session) -> true);
    }
}