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<?php
/**
* Handles logic for the maintenance mode.
*
* @package BB_PowerPack
* @since 2.6.10
*/
/**
* Exit if accessed directly.
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* BB_PowerPack_Maintenance_Mode.
*/
final class BB_PowerPack_Maintenance_Mode {
/**
* Holds the value of setting field Template.
*
* @var $template
* @since 2.6.10
* @access protected
*/
static protected $template = '';
/**
* Settings Tab constant.
*/
const SETTINGS_TAB = 'maintenance_mode';
/**
* Initializing PowerPack maintenance mode.
*
* @since 2.6.10
*/
static public function init() {
add_filter( 'pp_admin_settings_tabs', __CLASS__ . '::render_settings_tab', 10, 1 );
add_action( 'pp_admin_settings_save', __CLASS__ . '::save_settings' );
self::$template = get_option( 'bb_powerpack_maintenance_mode_template' );
if ( ! self::is_enabled() ) {
return;
}
add_action( 'admin_bar_menu', __CLASS__ . '::add_menu_in_admin_bar', 300 );
add_action( 'admin_head', __CLASS__ . '::print_style' );
add_action( 'wp_head', __CLASS__ . '::print_style' );
add_action( 'wp', __CLASS__ . '::setup_maintenance_mode' );
}
/**
* Is enabled.
*
* Check if maintenance mode is enabled or not.
*
* @since 2.6.10
*
* @return boolean true or false
*/
static public function is_enabled() {
return 'yes' === get_option( 'bb_powerpack_maintenance_mode_enable', 'no' ) && ! empty( self::$template );
}
/**
* Body class.
*
* Add "Maintenance Mode" CSS classes to the body tag.
*
* Fired by `body_class` filter.
*
* @since 2.6.10
*
* @param array $classes An array of body classes.
*
* @return array An array of body classes.
*/
static public function body_class( $classes ) {
$classes[] = 'bb-powerpack-maintenance-mode';
return $classes;
}
/**
* Setup Maintenance Mode.
*
* Conditionally check and setup the maintenance mode.
*
* @since 2.6.10
*/
static public function setup_maintenance_mode() {
$access = get_option( 'bb_powerpack_maintenance_mode_access' );
$access_type = get_option( 'bb_powerpack_maintenance_mode_access_type' );
$ips = get_option( 'bb_powerpack_maintenance_mode_ip_whitelist' );
$access_key = get_option( 'bb_powerpack_maintenance_mode_access_key' );
$schedule = get_option( 'bb_powerpack_maintenance_mode_schedule' );
if ( is_array( $schedule ) ) {
$current_time = current_time( 'timestamp' );
if ( ! empty( $schedule['start'] ) ) {
$start_time = strtotime( $schedule['start'] );
if ( $start_time > $current_time ) {
return;
}
}
if ( ! empty( $schedule['end'] ) ) {
$end_time = strtotime( $schedule['end'] );
if ( $end_time < $current_time ) {
update_option( 'bb_powerpack_maintenance_mode_enable', 'no' );
return;
}
}
}
// Access type.
if ( 'logged_in' === $access && is_user_logged_in() ) {
return;
}
// User roles.
if ( 'custom' === $access ) {
$access_roles = get_option( 'bb_powerpack_maintenance_mode_access_roles', array() );
$user = wp_get_current_user();
$user_roles = $user->roles;
if ( is_multisite() && is_super_admin() ) {
$user_roles[] = 'super_admin';
}
$compare_roles = array_intersect( $user_roles, $access_roles );
if ( ! empty( $compare_roles ) ) {
return;
}
}
// Include/Exclude URLs.
if ( 'entire_site' !== $access_type ) {
$access_urls = get_option( 'bb_powerpack_maintenance_mode_access_urls' );
if ( ! empty( $access_urls ) ) {
$matches = self::check_url( $access_urls );
if ( 'exclude_urls' === $access_type && $matches ) {
return;
}
if ( 'include_urls' === $access_type && ! $matches ) {
return;
}
}
}
// IP whitelist.
$ips = trim( $ips );
if ( ! empty( $ips ) ) {
$ips = explode( "\r\n", $ips );
$current_ip = pp_get_client_ip();
if ( in_array( $current_ip, $ips ) ) {
return;
}
}
// Secret access key.
if ( ! empty( $access_key ) && isset( $_GET['access'] ) && $access_key === $_GET['access'] ) {
return;
}
// Remove Beaver Themer header and footer layouts.
add_filter( 'fl_theme_builder_current_page_layouts', __CLASS__ . '::remove_themer_layouts', 10, 1 );
// Remove BB theme's header / footer.
add_filter( 'fl_topbar_enabled', '__return_false' );
add_filter( 'fl_fixed_header_enabled', '__return_false' );
add_filter( 'fl_header_enabled', '__return_false' );
add_filter( 'fl_footer_enabled', '__return_false' );
// Remove Astra header / footer / post nav markup.
remove_action( 'astra_header', 'astra_header_markup' );
remove_action( 'astra_footer', 'astra_footer_markup' );
remove_action( 'astra_entry_after', 'astra_single_post_navigation_markup' );
add_filter( 'astra_the_title_enabled', '__return_false' );
// Remove Page Builder Framework theme's header / footer.
remove_action( 'wpbf_header', 'wpbf_do_header' );
remove_action( 'wpbf_footer', 'wpbf_do_footer' );
remove_action( 'wpbf_before_footer', 'wpbf_custom_footer' );
// Remove GeneratePress header / footer.
remove_action( 'generate_header', 'generate_construct_header' );
remove_action( 'generate_after_header', 'generate_add_navigation_after_header', 5 );
remove_action( 'generate_footer', 'generate_construct_footer_widgets', 5 );
remove_action( 'generate_footer', 'generate_construct_footer' );
// Remove Genesis header / footer.
remove_action( 'genesis_header', 'genesis_header_markup_open', 5 );
remove_action( 'genesis_header', 'genesis_do_header' );
remove_action( 'genesis_header', 'genesis_header_markup_close', 15 );
remove_action( 'genesis_footer', 'genesis_footer_markup_open', 5 );
remove_action( 'genesis_footer', 'genesis_do_footer' );
remove_action( 'genesis_footer', 'genesis_footer_markup_close', 15 );
remove_all_actions( 'genesis_entry_header' );
add_filter( 'genesis_attr_site-inner', function( $attributes, $context, $args ) {
if ( ! is_array( $attributes ) || empty( $attributes ) ) {
$attributes = array( 'class' => 'site-inner' );
}
return $attributes;
}, 15, 3 );
// Remove Storefront theme's header / footer.
remove_all_actions( 'storefront_header' );
remove_all_actions( 'storefront_footer' );
// Custom action to hook any configuration before render.
do_action( 'pp_maintenance_mode_before_render' );
// Priority = 11 that is *after* WP default filter `redirect_canonical` in order to avoid redirection loop.
add_action( 'template_redirect', __CLASS__ . '::template_redirect', 11 );
}
/**
* Remove themer layout.
*
* Remove Beaver Themer's header and footer layouts from the page.
*
* Fired by 'fl_theme_builder_current_page_layouts' filter.
*
* @since 2.6.10
*
* @param array $layouts An array of Beaver Themer layouts.
*
* @return array $layouts
*/
static public function remove_themer_layouts( $layouts ) {
if ( isset( $layouts['header'] ) ) {
unset( $layouts['header'] );
}
if ( isset( $layouts['footer'] ) ) {
unset( $layouts['footer'] );
}
if ( isset( $layouts['part'] ) ) {
unset( $layouts['part'] );
}
return $layouts;
}
/**
* Template redirect.
*
* Redirect to the "Maintenance Mode" template.
*
* Fired by `template_redirect` action.
*
* @since 2.6.10
*/
static public function template_redirect() {
add_filter( 'body_class', __CLASS__ . '::body_class' );
if ( 'maintenance' === get_option( 'bb_powerpack_maintenance_mode_type' ) ) {
$protocol = wp_get_server_protocol();
header( "$protocol 503 Service Unavailable", true, 503 );
header( 'Content-Type: text/html; charset=utf-8' );
header( 'Retry-After: 600' );
}
// @codingStandardsIgnoreStart
$GLOBALS['post'] = get_post( self::$template );
// Set the template as `$wp_query->current_object` for `wp_title` and etc.
query_posts( array(
'p' => self::$template,
'post_type' => get_post_type( self::$template ),
'page_id' => self::$template,
) );
$GLOBALS['wp_query']->is_page = true;
$GLOBALS['wp_query']->is_single = false;
// WPML fix.
if ( class_exists( 'sitepress' ) ) {
$GLOBALS['wp_the_query'] = $GLOBALS['wp_query'];
}
// @codingStandardsIgnoreEnd
}
/**
* Get templates.
*
* Get all layout templates and create options for select field.
*
* @since 2.6.10
* @param string $selected Selected template for the field.
*/
static public function get_templates( $selected = '' ) {
$args = array(
'post_type' => 'page',
'post_status' => 'publish',
'orderby' => 'title',
'order' => 'ASC',
'posts_per_page' => '-1',
'update_post_meta_cache' => false,
'update_post_term_cache' => false,
);
$pages = get_posts( $args );
$args['post_type'] = 'fl-builder-template';
$args['tax_query'] = array(
array(
'taxonomy' => 'fl-builder-template-type',
'field' => 'slug',
'terms' => array(
'layout',
'row',
),
),
);
$templates = get_posts( $args );
$posts = array(
'templates' => $templates,
'pages' => $pages,
);
$options = '<option value="">' . esc_html__( '-- Select --', 'bb-powerpack' ) . '</option>';
foreach ( $posts as $type => $data ) {
if ( ! count( $data ) ) {
continue;
}
$label = '';
if ( 'pages' === $type ) {
$label = esc_html__( 'Pages', 'bb-powerpack' );
}
if ( 'templates' === $type ) {
$label = esc_html__( 'Builder Templates', 'bb-powerpack' );
}
$options .= '<optgroup label="' . $label . '">';
if ( ! empty( $data ) ) {
foreach ( $data as $post ) {
$label = $post->post_title;
if ( 'templates' === $type ) {
$terms = @wp_list_pluck( get_the_terms( $post, 'fl-builder-template-type' ), 'slug' );
$label .= ! empty( $terms ) ? ' [' . $terms[0] . ']' : '';
}
$options .= '<option value="' . $post->ID . '" ' . selected( $selected, $post->ID, false ) . '>' . $label . '</option>';
}
} else {
$options .= '<option value="" disabled>' . __( 'Not found', 'bb-powerpack' ) . '</option>';
}
$options .= '</optgroup>';
}
return $options;
}
/**
* Add menu in admin bar.
*
* Adds "Maintenance Mode" items to the WordPress admin bar.
*
* Fired by `admin_bar_menu` filter.
*
* @since 2.6.10
*
* @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance, passed by reference.
*/
static public function add_menu_in_admin_bar( WP_Admin_Bar $wp_admin_bar ) {
if ( ! self::is_enabled() ) {
return;
}
$wp_admin_bar->add_node( array(
'id' => 'bb-powerpack-maintenance-on',
'title' => __( 'Maintenance Mode ON', 'bb-powerpack' ),
'href' => BB_PowerPack_Admin_Settings::get_form_action( '&tab=' . self::SETTINGS_TAB ),
) );
}
/**
* Print style.
*
* Adds custom CSS to the HEAD html tag. The CSS that emphasise the maintenance
* mode with red colors.
*
* Fired by `admin_head` and `wp_head` filters.
*
* @since 2.6.10
*/
static public function print_style() {
?>
<style>#wp-admin-bar-bb-powerpack-maintenance-on > a { background-color: #F44336; }
#wp-admin-bar-bb-powerpack-maintenance-on > .ab-item:before { content: "\f160"; top: 2px; }</style>
<?php
}
/**
* Render settings tab.
*
* Adds Maintenance Mode tab in PowerPack admin settings.
*
* @since 2.6.10
* @param array $tabs Array of existing settings tabs.
*/
static public function render_settings_tab( $tabs ) {
$tabs[ self::SETTINGS_TAB ] = array(
'title' => esc_html__( 'Maintenance Mode', 'bb-powerpack' ),
'show' => ! is_network_admin() && ! BB_PowerPack_Admin_Settings::get_option( 'ppwl_hide_maintenance_tab' ),
'cap' => ! is_network_admin() ? 'manage_options' : 'manage_network_plugins',
'file' => BB_POWERPACK_DIR . 'includes/admin-settings-maintenance-mode.php',
'priority' => 350,
);
return $tabs;
}
/**
* Save settings.
*
* Saves setting fields value in options.
*
* @since 2.6.10
*/
static public function save_settings() {
if ( ! isset( $_POST['bb_powerpack_maintenance_mode_enable'] ) ) {
return;
}
$enable = sanitize_text_field( $_POST['bb_powerpack_maintenance_mode_enable'] );
$type = sanitize_text_field( $_POST['bb_powerpack_maintenance_mode_type'] );
$access = sanitize_text_field( $_POST['bb_powerpack_maintenance_mode_access'] );
$access_type = sanitize_text_field( $_POST['bb_powerpack_maintenance_mode_access_type'] );
$access_urls = sanitize_textarea_field( $_POST['bb_powerpack_maintenance_mode_access_urls'] );
$ip_whitelist = sanitize_textarea_field( $_POST['bb_powerpack_maintenance_mode_ip_whitelist'] );
$access_key = sanitize_textarea_field( $_POST['bb_powerpack_maintenance_mode_access_key'] );
$schedule = $_POST['bb_powerpack_maintenance_mode_schedule'];
$template = isset( $_POST['bb_powerpack_maintenance_mode_template'] ) ? sanitize_text_field( $_POST['bb_powerpack_maintenance_mode_template'] ) : '';
$roles = array();
if ( isset( $_POST['bb_powerpack_maintenance_mode_access_roles'] ) && ! empty( $_POST['bb_powerpack_maintenance_mode_access_roles'] ) ) {
foreach ( $_POST['bb_powerpack_maintenance_mode_access_roles'] as $role ) {
$roles[] = sanitize_text_field( $role );
}
}
update_option( 'bb_powerpack_maintenance_mode_enable', $enable );
update_option( 'bb_powerpack_maintenance_mode_type', $type );
update_option( 'bb_powerpack_maintenance_mode_template', $template );
update_option( 'bb_powerpack_maintenance_mode_access', $access );
update_option( 'bb_powerpack_maintenance_mode_access_roles', $roles );
update_option( 'bb_powerpack_maintenance_mode_access_type', $access_type );
update_option( 'bb_powerpack_maintenance_mode_access_urls', $access_urls );
update_option( 'bb_powerpack_maintenance_mode_ip_whitelist', $ip_whitelist );
update_option( 'bb_powerpack_maintenance_mode_access_key', $access_key );
$schedule_value = array(
'start' => '',
'end' => '',
);
if ( is_array( $schedule ) ) {
if ( isset( $schedule['start'] ) ) {
$schedule_value['start'] = sanitize_text_field( $schedule['start'] );
}
if ( isset( $schedule['end'] ) ) {
$schedule_value['end'] = sanitize_text_field( $schedule['end'] );
}
}
update_option( 'bb_powerpack_maintenance_mode_schedule', $schedule_value );
// Clear BB's assets cache.
if ( class_exists( 'FLBuilderModel' ) && method_exists( 'FLBuilderModel', 'delete_asset_cache_for_all_posts' ) ) {
FLBuilderModel::delete_asset_cache_for_all_posts();
}
}
static public function check_url( $urls ) {
$urls = trim( $urls );
if ( empty( $urls ) ) {
return true;
}
if ( self::match_path( $urls ) ) {
return true;
}
return false;
}
static public function match_path( $patterns ) {
$patterns_safe = array();
// Get the request URI from WP
list( $url_request ) = explode( '?', $_SERVER['REQUEST_URI'] ); //$wp->request;
$url_request = ltrim( trim( $url_request ), '/' );
// Append the query string
// if ( ! empty( $_SERVER['QUERY_STRING'] ) ) {
// $url_request .= '?' . $_SERVER['QUERY_STRING'];
// } else {
// $url_request = trim( $url_request, '/' );
// }
$url_request = trim( $url_request, '/' );
$rows = explode( "\r\n", $patterns );
foreach ( $rows as $pattern ) {
// Trim trailing, leading slashes and whitespace
$pattern = trim( trim( $pattern ), '/' );
// Escape regex chars
$pattern = preg_quote( $pattern, '/' );
// Enable wildcard checks
$pattern = str_replace( '\*', '.*', $pattern );
$patterns_safe[] = $pattern;
}
// Remove empty patterns
$patterns_safe = array_filter( $patterns_safe );
$regexps = sprintf( '/^(%s)$/i', implode( '|', $patterns_safe ) );
return preg_match( $regexps, $url_request );
}
}
// Initialize the class.
BB_PowerPack_Maintenance_Mode::init();