PHP Example

reveal_api.php

<?php
require_once 'vendor/autoload.php';

$username = getenv("FORWARD_HTTP_PROXY_USERNAME");
$password = getenv("FORWARD_HTTP_PROXY_PASSWORD");
$forward_proxy = getenv("FORWARD_HTTP_PROXY_HOST");
$reverse_proxy = getenv("REVERSE_HTTP_PROXY_HOST");

$client = new GuzzleHttp\Client();

function reveal_via_forward_proxy($redact_data)
{
    global $forward_proxy, $username, $password, $client;
    $proxies = explode(":", $forward_proxy);
    $response = $client->post("https://httpbin.verygoodsecurity.io/post", [
            'headers' => [
                "Content-type" => "application/json",
                "VGS-Log-Request" => "all"
            ],
            'auth' => [$username, $password],
            'curl' => [
                CURLOPT_PROXY => $proxies[0],
                CURLOPT_PROXYPORT => (int)$proxies[1],
                CURLOPT_PROXYUSERPWD => "$username:$password",
            ],
            'verify' => "./cert.pem",
            'body' => $redact_data
        ]
    );
    return json_decode($response->getBody(), true)['data'];
}