Просмотр файла mc-master/libraries/route.php

<?php

/**
 * MobileCMS
 *
 * Open source content management system for mobile sites
 *
 * @author MobileCMS Team <[email protected]>
 * @copyright Copyright (c) 2011-2019, MobileCMS Team
 * @link https://mobilecms.pro Official site
 * @license MIT license
 */
defined('IN_SYSTEM') or die('<b>403<br />Запрет доступа</b>');

/**
 * Route class
 */
class Route
{

    /**
     * Путь к контроллеру
     */
    public $controller_path = NULL;

    /**
     * Название контроллера
     */
    public $controller_name = NULL;

    /**
     * Получаемый action
     */
    public $action = NULL;

    /**
     * Флаг существования контроллера
     */
    public $controller_exists = TRUE;

    /**
     * Модуль
     */
    public $module;

    /**
     * Сегменты
     */
    public $segment1;
    public $segment2;
    public $segment3;

    /**
     * Конструктор
     */
    public function __construct()
    {
        $this->parse_query();
        $this->route();
    }

    /**
     * Парсинг запроса
     */
    public function parse_query()
    {
        $query = trim(parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH), '/');
        # Считываем все файлы с правилами роутинга в строку для парсинга
        $rules = '';
        $rules_dir = ROOT . 'data_files/route_rules';
        $dir = opendir($rules_dir);
        while ($f = readdir($dir)) {
            if (strstr($f, '.rules'))
                $rules .= trim(file_get_contents($rules_dir . '/' . $f)) . PHP_EOL;
        }

        $rules .= '([A-z0-9_\-]*)([\.A-z0-9]*)#segment1=$1' . PHP_EOL;
        $rules .= '([A-z0-9_\-]*)/([A-z0-9_\-]*)([\.A-z0-9]*)#segment1=$1&segment2=$2' . PHP_EOL;
        $rules .= '([A-z0-9_\-]*)/([A-z0-9_\-]*)/([A-z0-9_\-]*)([\.A-z0-9]*)#segment1=$1&segment2=$2&segment3=$3' . PHP_EOL;

        $rules = explode("\n", $rules);

        foreach ($rules as $rule) {
            $rule = trim($rule);
            if (strpos($rule, '#') == 0 or $rule == '')
                continue;
            $ex = explode('#', $rule);
            if (preg_match('~^' . $ex[0] . '$~', $query)) {
                $result = preg_replace('~^' . $ex[0] . '$~', $ex[1], $query, 1);
                $vars = explode('&', $result);
                foreach ($vars as $var) {
                    $_ex = explode('=', $var);
                    $_GET[$_ex[0]] = $_ex[1];
                }
                break;
            }
        }
    }

    /**
     * Функция определяет контроллер и action
     */
    public function route()
    {
        # Определение сегментов
        if ($this->_check_segments()) {
            # Если нет сегментов, подключаем модуль по умолчанию
            if (empty($this->segment1)) {
                if (file_exists(ROOT . 'modules/' . DEFAULT_MODULE . '/controllers/' . DEFAULT_MODULE . '.php')) {
                    $this->controller_path = 'modules/' . DEFAULT_MODULE . '/controllers/' . DEFAULT_MODULE . '.php';
                    $this->controller_name = DEFAULT_MODULE;
                    $this->action = '';
                    $this->module = DEFAULT_MODULE;
                } else {
                    $this->controller_exists = FALSE;
                }
            }
            # Если указаны все 3 сегмента
            if (!empty($this->segment1) && !empty($this->segment2) && !empty($this->segment3)) {
                if (file_exists(ROOT . 'modules/' . $this->segment1 . '/controllers/' . $this->segment1 . '_' . $this->segment2 . '.php')) {
                    $this->controller_path = 'modules/' . $this->segment1 . '/controllers/' . $this->segment1 . '_' . $this->segment2 . '.php';
                    $this->controller_name = $this->segment1 . '_' . $this->segment2;
                    $this->action = $this->segment3;
                    $this->module = $this->segment1;
                } else {
                    $this->controller_exists = FALSE;
                }
            }
            # Если указаны 2 сегмента
            elseif (!empty($this->segment1) && !empty($this->segment2)) {
                if (file_exists(ROOT . 'modules/' . $this->segment1 . '/controllers/' . $this->segment1 . '_' . $this->segment2 . '.php')) {
                    $this->controller_path = 'modules/' . $this->segment1 . '/controllers/' . $this->segment1 . '_' . $this->segment2 . '.php';
                    $this->controller_name = $this->segment1 . '_' . $this->segment2;
                    $this->action = '';
                    $this->module = $this->segment1;
                } elseif (file_exists(ROOT . 'modules/' . $this->segment1 . '/controllers/' . $this->segment1 . '.php')) {
                    $this->controller_path = 'modules/' . $this->segment1 . '/controllers/' . $this->segment1 . '.php';
                    $this->controller_name = $this->segment1;
                    $this->action = $this->segment2;
                    $this->module = $this->segment1;
                } else
                    $this->controller_exists = FALSE;
            }
            # Если указан только 1 сегмент
            elseif (!empty($this->segment1)) {
                if (file_exists(ROOT . 'modules/' . $this->segment1 . '/controllers/' . $this->segment1 . '.php')) {
                    $this->controller_path = 'modules/' . $this->segment1 . '/controllers/' . $this->segment1 . '.php';
                    $this->controller_name = $this->segment1;
                    $this->action = '';
                    $this->module = $this->segment1;
                } else {
                    $this->controller_exists = FALSE;
                }
            }

            if ($this->controller_exists) {
                define('ROUTE_CONTROLLER_PATH', $this->controller_path);
                define('ROUTE_CONTROLLER_NAME', $this->controller_name);
                define('ROUTE_ACTION', $this->action);
                define('ROUTE_MODULE', $this->module);
            } else
                header('Location: ' . a_url('main/page_not_found', '', true));
        }
    }

    /**
     * Проверка правильности сегментов
     */
    protected function _check_segments()
    {
        $check_segments = true;
        if (!empty($_GET['segment1'])) {
            if (preg_match('~^[0-9A-z_-]*$~', $_GET['segment1']))
                $this->segment1 = $_GET['segment1'];
            else
                $check_segments = false;
        }
        if (!empty($_GET['segment2'])) {
            if (preg_match('~^[0-9A-z_-]*$~', $_GET['segment2']))
                $this->segment2 = $_GET['segment2'];
            else
                $check_segments = false;
        }
        if (!empty($_GET['segment3'])) {
            if (preg_match('~^[0-9A-z_-]*$~', $_GET['segment3']))
                $this->segment3 = $_GET['segment3'];
            else
                $check_segments = false;
        }
        if (!$check_segments)
            a_error('Ошибка регистрации сегментов!');
        return true;
    }

}