<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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/**

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* Module Name: Downtime Monitor

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* Module Description: Get instant alerts if your site goes down and know when it’s back online.

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* Sort Order: 28

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* Recommendation Order: 10

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* First Introduced: 2.6

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* Requires Connection: Yes

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* Requires User Connection: Yes

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* Auto Activate: No

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* Module Tags: Recommended

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* Feature: Security

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* Additional Search Queries: monitor, uptime, downtime, monitoring, maintenance, maintenance mode, offline, site is down, site down, down, repair, error

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*

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* @package automattic/jetpack

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*/

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use Automattic\Jetpack\Connection\Manager as Connection_Manager;

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Class Jetpack_Monitor

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*

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* @phan-constructor-used-for-side-effects

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*/

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class Jetpack_Monitor {

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/**

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* Name of the module.

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*

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* @var string Name of module.

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*/

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public $module = 'monitor';

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/**

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* Constructor.

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*/

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public function __construct() {

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add_action( 'jetpack_modules_loaded', array( $this, 'jetpack_modules_loaded' ) );

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add_action( 'jetpack_activate_module_monitor', array( $this, 'activate_module' ) );

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}

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/**

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* Runs upon module activation.

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*

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* @return void

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*/

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public function activate_module() {

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if ( ( new Connection_Manager( 'jetpack' ) )->is_user_connected() ) {

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self::update_option_receive_jetpack_monitor_notification( true );

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}

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}

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/**

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* Runs on the jetpack_modules_loaded hook to enable configuation.

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*

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* @return void

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*/

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public function jetpack_modules_loaded() {

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Jetpack::enable_module_configurable( $this->module );

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}

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/**

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* Whether to receive the notifications.

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*

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* @param bool $value `true` to enable notifications, `false` to disable them.

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*

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* @return bool

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*/

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public function update_option_receive_jetpack_monitor_notification( $value ) {

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$xml = new Jetpack_IXR_Client(

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array(

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'user_id' => get_current_user_id(),

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)

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);

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$xml->query( 'jetpack.monitor.setNotifications', (bool) $value );

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if ( $xml->isError() ) {

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wp_die( sprintf( '%s: %s', esc_html( $xml->getErrorCode() ), esc_html( $xml->getErrorMessage() ) ) );

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}

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// To be used only in Jetpack_Core_Json_Api_Endpoints::get_remote_value.

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update_option( 'monitor_receive_notifications', (bool) $value );

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return true;

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}

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/**

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* Checks the status of notifications for current Jetpack site user.

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*

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* @since 2.8

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* @since 4.1.0 New parameter $die_on_error.

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*

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* @param bool $die_on_error Whether to issue a wp_die when an error occurs or return a WP_Error object.

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*

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* @return boolean|WP_Error

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*/

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public static function user_receives_notifications( $die_on_error = true ) {

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$xml = new Jetpack_IXR_Client(

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array(

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'user_id' => get_current_user_id(),

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)

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);

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$xml->query( 'jetpack.monitor.isUserInNotifications' );

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if ( $xml->isError() ) {

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if ( $die_on_error ) {

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wp_die( sprintf( '%s: %s', esc_html( $xml->getErrorCode() ), esc_html( $xml->getErrorMessage() ) ), 400 );

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} else {

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return new WP_Error( $xml->getErrorCode(), $xml->getErrorMessage(), array( 'status' => 400 ) );

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}

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}

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return $xml->getResponse();

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}

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/**

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* Returns date of the last downtime.

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*

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* @since 4.0.0

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* @return string date in YYYY-MM-DD HH:mm:ss format

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*/

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public function monitor_get_last_downtime() {

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$xml = new Jetpack_IXR_Client();

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$xml->query( 'jetpack.monitor.getLastDowntime' );

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if ( $xml->isError() ) {

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return new WP_Error( 'monitor-downtime', $xml->getErrorMessage() );

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}

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set_transient( 'monitor_last_downtime', $xml->getResponse(), 10 * MINUTE_IN_SECONDS );

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return $xml->getResponse();

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}

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}

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new Jetpack_Monitor();

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