config.php

<?php
/**
 * NOTICE OF LICENSE
 *
 * This file is licenced under the Software License Agreement.
 * With the purchase or the installation of the software in your application
 * you accept the licence agreement.
 *
 * You must not modify, adapt or create derivative works of this source code
 *
 * @author    Doofinder
 * @copyright Doofinder
 * @license   GPLv3
 */

use PrestaShop\Module\Doofinder\Src\Entity\DfTools;
use PrestaShop\Module\Doofinder\Src\Entity\DoofinderConfig;
use PrestaShop\Module\Doofinder\Src\Entity\DoofinderConstants;

$root_path = dirname(dirname(dirname($_SERVER['SCRIPT_FILENAME'])));
$config_file_path = $root_path . '/config/config.inc.php';
if (@file_exists($config_file_path)) {
    require_once $config_file_path;
    require_once $root_path . '/init.php';
} else {
    require_once dirname(__FILE__) . '/../../config/config.inc.php';
    require_once dirname(__FILE__) . '/../../init.php';
}

require_once 'autoloader.php';

if (!defined('_PS_VERSION_')) {
    exit;
}

$context = Context::getContext();

header('Content-Type:application/json; charset=utf-8');

$module = Module::getInstanceByName('doofinder');
$autoinstallerToken = Tools::getValue('token');
if ($autoinstallerToken) {
    $redirect = Context::getContext()->shop->getBaseURL(true, false)
        . $module->getPathUri() . 'config.php';
    $tmpToken = Tools::encrypt($redirect);
    if ($tmpToken == $autoinstallerToken) {
        $apiToken = Tools::getValue('api_token');
        $api_endpoint = Tools::getValue('api_endpoint');
        $admin_endpoint = Tools::getValue('admin_endpoint');
        if ($apiToken) {
            DoofinderConfig::saveApiConfig($apiToken, $api_endpoint, $admin_endpoint);
        }
        echo json_encode(['success' => true]);
        exit;
    } else {
        header('HTTP/1.1 403 Forbidden', true, 403);
        $msgError = 'Forbidden access.'
                . ' Token for autoinstaller invalid.';
        exit($msgError);
    }
}

$languages = [];
$configurations = [];
$currencies = array_keys(DfTools::getAvailableCurrencies());

$display_prices = (bool) Configuration::get('DF_GS_DISPLAY_PRICES');
$prices_with_taxes = (bool) Configuration::get('DF_GS_PRICES_USE_TAX');

foreach (Language::getLanguages(true, $context->shop->id) as $lang) {
    $lang = Tools::strtoupper($lang['iso_code']);
    $currency = DfTools::getCurrencyForLanguage($lang);

    $languages[] = $lang;
    $configurations[$lang] = [
        'language' => $lang,
        'currency' => Tools::strtoupper($currency->iso_code),
        'prices' => $display_prices,
        'taxes' => $prices_with_taxes,
    ];
}

$force_ssl = (Configuration::get('PS_SSL_ENABLED') && Configuration::get('PS_SSL_ENABLED_EVERYWHERE'));
$shop = $context->shop;
$base = (($force_ssl) ? 'https://' . $shop->domain_ssl : 'http://' . $shop->domain);

$cfg = [
    'platform' => [
        'name' => 'Prestashop',
        'version' => _PS_VERSION_,
    ],
    'module' => [
        'version' => DoofinderConstants::VERSION,
        'feed' => $base . $shop->getBaseURI() . 'modules/doofinder/feed.php',
        'options' => [
            'language' => $languages,
            'currency' => $currencies,
        ],
        'configuration' => $configurations,
    ],
];

echo DfTools::jsonEncode($cfg);