pothi / wp-mu-plugins

auto-maintenance-mode.php

<?php

/*

Plugin Name: Auto Maintenance Mode

Version: 1.0.2

Plugin URI: https://github.com/pothi/auto-maintenance-mode

Author: pothi

Author URI: https://www.tinywp.in

Description: A plugin to enable maintenance mode automatically upon lack of activity on development / staging / test sites.

Text Domain: auto-maintenance-mode

Domain Path: /languages

*/


// disable executing this script directly

if(!defined('ABSPATH')) exit;


if(!class_exists('AUTO_MAINTENANCE_MODE'))

{

    class AUTO_MAINTENANCE_MODE

    {

        var $plugin_version = '1.0.3';

        var $plugin_url;

        var $plugin_path;

        function __construct()

It is generally recommended to explicitly declare the visibility for methods.

        {

            define('AUTO_MAINTENANCE_MODE_VERSION', $this->plugin_version);

            define('AUTO_MAINTENANCE_MODE_SITE_URL',site_url());

            define('AUTO_MAINTENANCE_MODE_URL', $this->plugin_url());

            define('AUTO_MAINTENANCE_MODE_PATH', $this->plugin_path());

            $this->plugin_includes();

        }

        function plugin_includes()

It is generally recommended to explicitly declare the visibility for methods.

        {

            add_action('plugins_loaded', array($this, 'plugins_loaded_handler'));

            add_action('template_redirect', array($this, 'amm_template_redirect'));


            // clear transient on logout and create upon login

            add_action('wp_login', array($this, 'amm_create_transient'));

            add_action('init', array($this, 'amm_create_transient'));

            add_action('wp_logout', array($this, 'amm_clear_transient'));

        }

        function amm_create_transient() {

It is generally recommended to explicitly declare the visibility for methods.

            if( is_user_logged_in() ) {

                if ( false === ( $tmp_value = get_transient( 'amm_is_any_user_logged_in' ) ) ) {

                    $value = true;

                    set_transient( 'amm_is_any_user_logged_in', $value, 60*60 );

                }

            }

        }

        function amm_clear_transient() {

It is generally recommended to explicitly declare the visibility for methods.

            delete_transient('amm_is_any_user_logged_in');

        }

        function plugins_loaded_handler()

It is generally recommended to explicitly declare the visibility for methods.

        {

            load_plugin_textdomain('auto-maintenance-mode', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/'); 

        }

        function plugin_url()

It is generally recommended to explicitly declare the visibility for methods.

        {

            if($this->plugin_url) return $this->plugin_url;

            return $this->plugin_url = plugins_url( basename( plugin_dir_path(__FILE__) ), basename( __FILE__ ) );

        }

        function plugin_path(){     

It is generally recommended to explicitly declare the visibility for methods.

            if ( $this->plugin_path ) return $this->plugin_path;        

            return $this->plugin_path = untrailingslashit( plugin_dir_path( __FILE__ ) );

        }

        function is_valid_page() {

It is generally recommended to explicitly declare the visibility for methods.

            return in_array($GLOBALS['pagenow'], array('wp-login.php', 'wp-register.php'));

        }

        function amm_template_redirect()

It is generally recommended to explicitly declare the visibility for methods.

        {

            if(is_user_logged_in()){

                //do not display maintenance page

                // $this->amm_create_transient_on_login();

            }

            else

            {

                if( !is_admin() && !$this->is_valid_page()){  //show maintenance page

                    if ( false === ( $tmp_value = get_transient( 'amm_is_any_user_logged_in' ) ) ) {

                        $this->load_amm_page();

                    }

                }

            }

        }

        function load_amm_page()

It is generally recommended to explicitly declare the visibility for methods.

        {

            header('HTTP/1.0 503 Service Unavailable');

?>

<!DOCTYPE html>

<html lang="<?php echo get_bloginfo('language'); ?>">

<head>

    <meta charset="<?php echo get_bloginfo('charset'); ?>" />

    <meta name="viewport" content="width=device-width, initial-width=1">

    <title><?php echo $name; ?> &#8250; Auto Maintenance Mode</title>

The variable $name seems to be never defined.

    <style>

        * { margin: 0;  padding: 0; }

        body { font-family: Georgia, Arial, Helvetica, Sans Serif; font-size: 65.5%; }

        a { color: #08658F; }

        a:hover { color: #0092BF; }

        #header { color: #333; padding: 1.5em; text-align: center; font-size: 1.2em; border-bottom: 1px solid #08658F; }

        #content { font-size: 150%; width:80%; margin:0 auto; padding: 5% 0; text-align: center; }

        #content p { font-size: 1em; padding: .8em 0; }

        h1, h2 { color: #08658F; }

        h1 { font-size: 300%; padding: .5em 0; }

    </style>

</head>

<body>

    <div id="header">

        <h2><?php echo get_bloginfo('name'); ?></h2>

    </div>  

    <div id="content">

        <h1><?php _e('Auto Maintenance Mode', 'auto-maintenance-mode')?></h1>

        <!-- <p><?php echo $link_text;?></p> -->

The variable $link_text seems to be never defined.

        <p><?php _e('Maintenance mode is enabled automatically, due to lack of activity from logged-in users!', 'auto-maintenance-mode')?></p>

        <p><?php _e('To disable the maintenance mode, please ', 'auto-maintenance-mode')?><strong><a href="<?php echo wp_login_url()?>"><?php _e('login now', 'auto-maintenance-mode'); ?></a></strong><?php _e(' or visit this page or any page of this site using a browser where you have already logged-in.', 'auto-maintenance-mode')?></p>

        <p><?php _e('Sorry for the inconvenience.', 'auto-maintenance-mode')?></p>

    </div>

</body>

</html>

<?php

            exit();

Using exit here is not recommended.

        }

    }

    $GLOBALS['auto_maintenance_mode'] = new AUTO_MAINTENANCE_MODE();

}