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gyro/modules/offline/controller/offline.controller.php

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<?php
/**
 * Actions for setting page on- or offline
 * 
 * Run offline/off or offline/on on the command line using the 
 * Console module to switch a site off or online.
 * 
 * The controller modifed the .htaccess file and redirects
 * all requests to /offline.php in the web root.
 * 
 * @author Gerd Riesselmann
 * @ingroup Offline
 */
class OfflineController extends ControllerBase {
        /**
         * Return array of Route instances which are handled by this controller
         * 
         * @return array Array of Routes 
         */
        public function get_routes() {
                return array(
                        new ExactMatchRoute('offline/off', $this, 'offline_off', new ConsoleOnlyRenderDecorator()),
                        new ExactMatchRoute('offline/on', $this, 'offline_on', new ConsoleOnlyRenderDecorator()),
                );
        }       
        
        /**
         * Switch site offline
         */
        public function action_offline_off(PageData $page_data) {
                Load::components('systemupdateinstaller');
                SystemUpdateInstaller::modify_htaccess(
                        'offline', 
                        SystemUpdateInstaller::HTACCESS_REWRITE, 
                        array(
                                'RewriteCond %{REQUEST_URI} ^/index.php',
                                'RewriteRule ^(.*)$ offline.php [L,QSA]'
                        )
                );
        }

        /**
         * Switch site offline
         */
        public function action_offline_on(PageData $page_data) {
                Load::components('systemupdateinstaller');
                SystemUpdateInstaller::modify_htaccess(
                        'offline', 
                        SystemUpdateInstaller::HTACCESS_REWRITE, 
                        ''
                );
        }
}

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