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MaintenanceModeCommand.php
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170 lines (151 loc) · 3.96 KB
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<?php
namespace WP_CLI\MaintenanceMode;
use WP_CLI;
use WP_CLI_Command;
use WP_Upgrader;
use WP_Filesystem_Base;
/**
* Activates, deactivates or checks the status of the maintenance mode of a site.
*
* ## EXAMPLES
*
* # Activate Maintenance mode.
* $ wp maintenance-mode activate
* Enabling Maintenance mode...
* Success: Activated Maintenance mode.
*
* # Deactivate Maintenance mode.
* $ wp maintenance-mode deactivate
* Disabling Maintenance mode...
* Success: Deactivated Maintenance mode.
*
* # Display Maintenance mode status.
* $ wp maintenance-mode status
* Maintenance mode is active.
*
* # Get Maintenance mode status for scripting purpose.
* $ wp maintenance-mode is-active
* $ echo $?
* 1
*
* @when after_wp_load
* @package wp-cli
*/
class MaintenanceModeCommand extends WP_CLI_Command {
/**
* Instance of WP_Upgrader.
*
* @var WP_Upgrader
*/
private $upgrader;
/**
* Instantiate a MaintenanceModeCommand object.
*/
public function __construct() {
if ( ! class_exists( 'WP_Upgrader' ) ) {
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
}
$this->upgrader = new WP_Upgrader( new WP_CLI\UpgraderSkin() );
$this->upgrader->init();
}
/**
* Activates maintenance mode.
*
* ## OPTIONS
*
* [--force]
* : Force maintenance mode activation operation.
*
* ## EXAMPLES
*
* $ wp maintenance-mode activate
* Enabling Maintenance mode...
* Success: Activated Maintenance mode.
*/
public function activate( $_, $assoc_args ) {
if ( $this->get_maintenance_mode_status() && ! WP_CLI\Utils\get_flag_value( $assoc_args, 'force' ) ) {
WP_CLI::error( 'Maintenance mode already activated.' );
}
$this->upgrader->maintenance_mode( true );
WP_CLI::success( 'Activated Maintenance mode.' );
}
/**
* Deactivates maintenance mode.
*
* ## EXAMPLES
*
* $ wp maintenance-mode deactivate
* Disabling Maintenance mode...
* Success: Deactivated Maintenance mode.
*/
public function deactivate() {
if ( ! $this->get_maintenance_mode_status() ) {
WP_CLI::error( 'Maintenance mode already deactivated.' );
}
$this->upgrader->maintenance_mode( false );
WP_CLI::success( 'Deactivated Maintenance mode.' );
}
/**
* Displays maintenance mode status.
*
* ## EXAMPLES
*
* $ wp maintenance-mode status
* Maintenance mode is active.
*/
public function status() {
$status = $this->get_maintenance_mode_status() ? 'active' : 'not active';
WP_CLI::line( "Maintenance mode is {$status}." );
}
/**
* Detects maintenance mode status.
*
* ## EXAMPLES
*
* $ wp maintenance-mode is-active
* $ echo $?
* 1
*
* @subcommand is-active
*/
public function is_active() {
WP_CLI::halt( $this->get_maintenance_mode_status() ? 0 : 1 );
}
/**
* Returns status of maintenance mode.
*
* @return bool
*/
private function get_maintenance_mode_status() {
$wp_filesystem = $this->init_wp_filesystem();
$maintenance_file = trailingslashit( $wp_filesystem->abspath() ) . '.maintenance';
if ( ! $wp_filesystem->exists( $maintenance_file ) ) {
return false;
}
// We use the timestamp defined in the .maintenance file
// to check if the maintenance is available.
$upgrading = 0;
$contents = (string) $wp_filesystem->get_contents( $maintenance_file );
$matches = [];
if ( preg_match( '/upgrading\s*=\s*(\d+)\s*;/i', $contents, $matches ) ) {
$upgrading = (int) $matches[1];
} else {
WP_CLI::warning( 'Unable to read the maintenance file timestamp, non-numeric value detected.' );
}
// The logic here is based on the core WordPress `wp_is_maintenance_mode()` function.
if ( ( time() - $upgrading ) >= 10 * MINUTE_IN_SECONDS ) {
return false;
}
return true;
}
/**
* Initializes WP_Filesystem.
*
* @return WP_Filesystem_Base
*/
protected function init_wp_filesystem() {
global $wp_filesystem;
WP_Filesystem();
return $wp_filesystem;
}
}