<?php

/**
 * @package WP Encryption
 *
 * @author     Go Web Smarty
 * @copyright  Copyright (C) 2019-2020, Go Web Smarty
 * @license    http://www.gnu.org/licenses/gpl-3.0.html GNU General Public License, version 3
 * @link       https://gowebsmarty.com
 * @since      Class available since Release 4.3.0
 *
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */

class WPLE_Activator
{

  public static function activate($networkwide)
  {
    if (is_multisite() && $networkwide) {
      wp_die('WP Encryption cannot be activated network wide. Please activate on your individual sites.');
    }

    $opts = get_option('wple_opts') === FALSE ? array('expiry' => '') : get_option('wple_opts');

    //initial disable ssl forcing
    $opts['force_ssl'] = 0;
    update_option('wple_opts', $opts);

    SELF::wple_cpanel_identity();

    SELF::wple_mx_support();

    if (wple_fs()->can_use_premium_code__premium_only()) {
      if (isset($opts['expiry']) && $opts['expiry'] != '' && !wp_next_scheduled('wple_ssl_renewal')) {
        wp_schedule_single_event(strtotime('-30 day', strtotime($opts['expiry'])), 'wple_ssl_renewal');
      }
    }

    if (!wple_fs()->can_use_premium_code__premium_only()) {
      if (isset($opts['expiry']) && $opts['expiry'] != '' && !wp_next_scheduled('wple_ssl_reminder_notice')) {
        wp_schedule_single_event(strtotime('-10 day', strtotime($opts['expiry'])), 'wple_ssl_reminder_notice');
      }
    }
  }

  public static function wple_cpanel_identity()
  {
    $host = site_url();

    if (FALSE != ($slashpos = stripos($host, '/', 9))) {
      $host = substr($host, 0, $slashpos);
    }

    $cp = $host . ':2083';
    if (FALSE === stripos($host, 'https')) {
      $cp = $host . ':2082';
    }

    $response = wp_remote_get($cp, [
      'headers'   => [
        'Connection' => 'close'
      ],
      'sslverify' => false
    ]);

    $cpanel = true;

    if (is_wp_error($response)) {
      $cpanel = false;
    }

    if ($cpanel) {
      update_option('wple_have_cpanel', 1);
    } else {
      if (isset($_SERVER['GD_PHP_HANDLER'])) {
        if ($_SERVER['SERVER_SOFTWARE'] == 'Apache' && isset($_SERVER['GD_PHP_HANDLER']) && $_SERVER['DOCUMENT_ROOT'] == '/var/www') {
          update_option('wple_no_pricing', 1);
        }
      }

      update_option('wple_have_cpanel', 0);
    }
  }

  private static function wple_mx_support()
  {

    $mxpost = wp_remote_post(site_url('/', 'https'), array(
      'headers' => 'Content-Type: application/csp-report'
    ));

    if (is_wp_error($mxpost) || (isset($mxpost['response']) && isset($mxpost['response']['code']) && $mxpost['response']['code'] != 200)) {
      update_option('wple_mx', 0);
    } else {
      update_option('wple_mx', 1);
    }
  }
}