core.class.php

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<?php
class core {

        protected $_registry;
        
        private $_base_path;

        function __construct() {

                session_name(SESSIONNAME);
                session_start();
                require_once(ABS_CORE.DS.'tables.php');
                require_once(ABS_CORE.DS.'include.php');

                $this->_base_path = BASE_PATH;
                
                // initializing registry variable
                $this->_registry = registry::instance();
                $this->_registry->db = db::instance();
                $this->_registry->url = $_SERVER['REQUEST_URI'];
                $this->_registry->admin_privilege = 1;
                $this->_registry->admin_view_privilege = 2;
                $this->_registry->public_view_privilege = 3;
                $this->_registry->private_view_privilege = 4;
                $this->_registry->theme = $this->getTheme();
                $this->_registry->lng = language::setLanguage($this->_registry);
                $this->_registry->site_settings = new siteSettings($this->_registry);
                $this->_registry->dtime = new dtime($this->_registry);
                $this->_registry->router = new router($this->_base_path);
                $this->_registry->isHome = preg_match("#^module=index&method=index(&.*)?$#", $_SERVER['QUERY_STRING']) ? true : false;
                $this->_registry->css = array();
                $this->_registry->js = array();
                $this->_registry->meta = array();
                $this->_registry->head_links = array();

                //set session timeout
                if($this->_registry->site_settings->session_timeout) {
                        if (isset($_SESSION['last_activity']) && (time() - $_SESSION['last_activity'] > $this->_registry->site_settings->session_timeout)) {
                                // last request was more than timeout seconds ago
                                session_regenerate_id(true);
                                session_destroy();
                                unset($_SESSION);
                                session_start();
                        }
                        $_SESSION['last_activity'] = time(); // update last activity time stamp
                }

                // extra plugins
                $plugins_objs = array();
                if(is_readable(ABS_ROOT.DS.'plugins.php')) {
                        require_once(ABS_ROOT.DS.'plugins.php');
                        foreach($plugins as $k=>$v) { 
                                if(is_readable(ABS_PLUGINS.DS.$k.DS.$k.".php")) {
                                        require_once(ABS_PLUGINS.DS.$k.DS.$k.".php");
                                        $plugins_objs[$k] = new $k($this->_registry, $v);
                                }
                                else 
                                        exit(error::syserrorMessage(get_class($this), '__construct', sprintf(__("cantFindPluginSource"), $k), __LINE__));
                        }
                }
                $this->_registry->plugins = $plugins_objs;

        }

        public function renderApp($site=null) {

                ob_start();

                // some other registry properties
                $this->_registry->site = $site=='admin' ? 'admin':'main';

                /*
                 * check login/logout
                 */
                authentication::check();

                /*
                 * create document
                 */
                $doc = new document();
                $buffer = $doc->render();

                ob_end_flush();

        }

        public function methodPointer() {

                ob_start();

                /*
                 * check login/logout
                 */
                authentication::check($this->_registry);

                echo $this->_registry->router->loader(null);
                ob_end_flush();

                exit(); 
        }

        public function getTheme() {

                $rows = $this->_registry->db->autoSelect(array("name"), TBL_THEMES, "active='1'", '');
                $theme_name = $rows[0]['name'];

                if(is_readable(ABS_THEMES.DS.$theme_name.DS.$theme_name.'.php'))
                        require_once(ABS_THEMES.DS.$theme_name.DS.$theme_name.'.php');
                else 
                        Error::syserrorMessage('coew', 'getTheme', sprintf(__("CantLoadThemeError"), $theme_name, __LINE__));

                $theme_class = $theme_name.'Theme';

                if(class_exists($theme_class))
                        return new $theme_class();
                else 
                        Error::syserrorMessage('coew', 'getTheme', sprintf(__("CantLoadThemeError"), $theme_name, __LINE__));

        }

}

?>