core/api/php/core.php

<?php
class core{
    public static $settings = '';
/*  ----------------------------------------------------------------------
    08.12.2022
    Наполняем базу городов, регионов и стран
----------------------------------------------------------------------  */
    private static function get_geo_api($ip){
        $ch = curl_init('http://ip-api.com/json/' . $ip . '?lang=ru');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_HEADER, false);
        $res = curl_exec($ch);
        curl_close($ch);
        $res = json_decode($res, true);
        return $res;    
    }
	static function geo(){
        $res=self::get_geo_api($_SERVER['REMOTE_ADDR']);
        $strana_id = DB::getValue('SELECT `id` FROM `strana` WHERE `txt` = "' . $res['country'] . '"');
        if (!$strana_id)$strana_id=DB::add("INSERT INTO `strana` SET `txt` = ?", $res['country']);
        $region_id = DB::getValue('SELECT `id` FROM `region` WHERE `region` = "' . $res['regionName'] . '" AND `strana_id` = ' . $strana_id);
        if (!$region_id)$region_id = DB::add("INSERT INTO `region` SET `region` = ?, `strana_id`=?", array($res['regionName'], $strana_id));
        $city_id = DB::getValue('SELECT `id` FROM `city` WHERE `city` = "' . $res['city'] . '" AND `strana_id` = ' . $strana_id  . ' AND `region_id`=' . $region_id);
        if (!$city_id)$city_id = DB::add("INSERT INTO `city` SET `city` = ?, `strana_id`=?, `region_id`=?", array($res['city'], $strana_id, $region_id));
        $_SESSION['city']=$city_id;
	}
/*  ----------------------------------------------------------------------
    08.12.2022
    Берем настройки модуля/сайта
----------------------------------------------------------------------  */
	static function getSettings($set, $mod='global'){
        $txt = DB::getValue('SELECT `json` FROM `settings` WHERE `mod` = "' . $mod . '"');
		$massiv = json::from_j($txt);
        return $massiv[$set];
	}
/*  ----------------------------------------------------------------------
    08.12.2022
    Авторизация по куки
----------------------------------------------------------------------  */
    static function loginCookies ( ) {
        if ( @$_COOKIE['cookies'] && !@$_SESSION['user_id']){
            $res = json::from_j ( base64_decode ( $_COOKIE['cookies'] ) );
            $users = DB::getAll('SELECT `dostup`, `act` FROM `users` WHERE `id` = "' . $res['user_id'] . '" AND `pwd`="' . $res['pwd'] . '" LIMIT 1');
            if ( $users[0]['dostup'] ) {
                $_SESSION['user_id'] = $res['user_id'];
                $_SESSION['dostup'] = $dostup;
            }
        }
    }


/*  ----------------------------------------------------------------------
    09.12.2022
    Получаем данные корзины
----------------------------------------------------------------------  */
    static function getCart ( ) {
        $user_id = ( $_SESSION['user_id'] ? $_SESSION['user_id'] : session_id() );
        $cart = DB::getAll('SELECT * FROM `cart` WHERE `user_id` = ' . $user_id);
        for($i = 0; $i < count($cart); $i++){
            $cart2=DB::getAll('SELECT tovar.id, tovar.txt, tovar.cena, img.fileName FROM tovar, img WHERE tovar.id=' . $cart[$i]['pages_id'] . ' AND img.page_id=' . $cart[$i]['pages_id'] . ' LIMIT 1');
        }
    }

/*  ----------------------------------------------------------------------
    09.12.2022
    IP
----------------------------------------------------------------------  */
static function detect_ip ( ) {
    $ip = false;
    if (isset($_SERVER["HTTP_X_FORWARDED_FOR"]) and preg_match("#^[0-9.]+$#", $_SERVER["HTTP_X_FORWARDED_FOR"])) {
        $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
    }
    else if (isset($_SERVER["HTTP_X_REAL_IP"]) and preg_match("#^[0-9.]+$#", $_SERVER["HTTP_X_REAL_IP"])) {
        $ip = $_SERVER["HTTP_X_REAL_IP"];
    }
    else if (preg_match("#^[0-9.]+$#", $_SERVER["REMOTE_ADDR"])) {
        $ip = $_SERVER["REMOTE_ADDR"];
    }
    return $ip;
}

/*  ----------------------------------------------------------------------
    09.12.2022
    Авторизация
----------------------------------------------------------------------  */
    private static function redirectAfterLogin($dostup){
        if ( $dostup=='a' || $dostup=='m' ) header( 'Location: /admin/' );
        if ( $dostup=='u' ) header( 'Location: /' . \core::getSettings('default_mod_auth') . '/' );
    }
    static function login ( ) {
        $user = DB::getAll('SELECT `id`, `dostup` FROM `users` WHERE `email` = "' . $_POST['email'] . '" AND `pwd`="' . md5($_POST['pwd']) . '"'); 
        if ( $user[0]['dostup'] ) {
            $_SESSION['dostup'] = $dostup;
            $_SESSION['user_id'] = $user[0]['id'];
        }
        if ( $_POST['remember'] == 'on' && $user[0]['dostup'] ) {
            $_SESSION['pwd'] = md5($_POST['pwd']);
            $cookies = base64_encode ( json::to_j ( $_SESSION ) );
            $tri_mes = time() + 31536000;
            setcookie ( 'cookies', $cookies, $tri_mes,  '/', $_SERVER['SERVER_NAME'] );
        }
        self::redirectAfterLogin( $user[0]['dostup'] );
    }

}