<?php

date_default_timezone_set(getenv('TZ'));

// bot
require __DIR__ . '/config.php';
if ('POST' == $_SERVER['REQUEST_METHOD'] && $_GET['k'] == $key) {
    // require __DIR__ . '/debug.php';
    require __DIR__ . '/bot.php';
    $bot = new Bot($key);
    $bot->input();
    die();
}

// pac
$type    = $_GET['t'] ?? 'pac';
$address = $_GET['a'] ?: '127.0.0.1';
$port    = $_GET['p'] ?: '1080';
$hash    = $_GET['h'];
if ($hash == substr(md5($key), 0, 8)) {
    if (file_exists($file = __DIR__ . "/zapretlists/$type")) {
        $pac = file_get_contents($file);
        header("Content-Type: text/plain");
        echo str_replace([
            '~address~',
            '~port~',
        ], [
            $address,
            $port
        ], $pac);
        die();
    }
}

header('500', true, 500);
die();