package com.example;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Proxy;

import okhttp3.*;

public class Main {

    String run(String url) throws IOException {
        // define your proxy details
        String proxyHost = "140.238.247.9";
        int proxyPort = 8100;

        // create a proxy object and pass in the necessary details
        Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(proxyHost, proxyPort));

        // create a OkHttpClient builder instance and configure it to use the proxy
        OkHttpClient client = new OkHttpClient.Builder()
            .proxy(proxy)
            .authenticator(new Authenticator() {
                @Override
                public Request authenticate(Route route, Response response) throws IOException {
                    // provide the credentials
                    String credential = Credentials.basic("username", "password");
                    return response.request().newBuilder()
                            .header("Proxy-Authorization", credential)
                            .build();
                }
            })
            .build();

        // create a request with the provided URL
        Request request = new Request.Builder()
            .url(url)
            .build();
        // execute the request and obtain the response
        try (Response response = client.newCall(request).execute()) {
            // return the response body as a string
            return response.body().string();
        }
    }

    public static void main(String[] args) throws IOException {
        // create an instance of the Main class
        Main example = new Main();
        // make a GET request to the specified URL and print the response
        String response = example.run("https://httpbin.io/ip");
        System.out.println(response);
    }
}