class.jetpack-heartbeat.php — Jetpack – WP Security, Backup, Speed, & Growth 3.7.5

jetpack / class.jetpack-heartbeat.php

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class.jetpack-heartbeat.php

155 lines

1	<?php
2
3	class Jetpack_Heartbeat {
4
5	/**
6	* Holds the singleton instance of this class
7	*
8	* @since 2.3.3
9	* @var Jetpack_Heartbeat
10	*/
11	private static $instance = false;
12
13	private $cron_name = 'jetpack_v2_heartbeat';
14
15	/**
16	* Singleton
17	*
18	* @since 2.3.3
19	* @static
20	* @return Jetpack_Heartbeat
21	*/
22	public static function init() {
23	if ( ! self::$instance ) {
24	self::$instance = new Jetpack_Heartbeat;
25	}
26
27	return self::$instance;
28	}
29
30	/**
31	* Constructor for singleton
32	*
33	* @since 2.3.3
34	* @return Jetpack_Heartbeat
35	*/
36	private function __construct() {
37	if ( ! Jetpack::is_active() )
38	return;
39
40	// Schedule the task
41	add_action( $this->cron_name, array( $this, 'cron_exec' ) );
42
43	if ( ! wp_next_scheduled( $this->cron_name ) ) {
44	// Deal with the old pre-3.0 weekly one.
45	if ( $timestamp = wp_next_scheduled( 'jetpack_heartbeat' ) ) {
46	wp_unschedule_event( $timestamp, 'jetpack_heartbeat' );
47	}
48
49	wp_schedule_event( time(), 'daily', $this->cron_name );
50	}
51
52	add_filter( 'jetpack_xmlrpc_methods', array( __CLASS__, 'jetpack_xmlrpc_methods' ) );
53	}
54
55	/**
56	* Method that gets executed on the wp-cron call
57	*
58	* @since 2.3.3
59	* @global string $wp_version
60	*/
61	public function cron_exec() {
62
63	$jetpack = Jetpack::init();
64
65	/*
66	* This should run daily. Figuring in for variances in
67	* WP_CRON, don't let it run more than every 23 hours at most.
68	*
69	* i.e. if it ran less than 23 hours ago, fail out.
70	*/
71	$last = (int) Jetpack_Options::get_option( 'last_heartbeat' );
72	if ( $last && ( $last + DAY_IN_SECONDS - HOUR_IN_SECONDS > time() ) ) {
73	return;
74	}
75
76	/*
77	* Check for an identity crisis
78	*
79	* If one exists:
80	* - Bump stat for ID crisis
81	* - Email site admin about potential ID crisis
82	*/
83
84	// Coming Soon!
85
86	foreach ( self::generate_stats_array( 'v2-' ) as $key => $value ) {
87	$jetpack->stat( $key, $value );
88	}
89
90	Jetpack_Options::update_option( 'last_heartbeat', time() );
91
92	$jetpack->do_stats( 'server_side' );
93
94	do_action( 'jetpack_heartbeat' );
95	}
96
97	public static function generate_stats_array( $prefix = '' ) {
98	$return = array();
99
100	$return["{$prefix}version"] = JETPACK__VERSION;
101	$return["{$prefix}wp-version"] = get_bloginfo( 'version' );
102	$return["{$prefix}php-version"] = PHP_VERSION;
103	$return["{$prefix}branch"] = floatval( JETPACK__VERSION );
104	$return["{$prefix}wp-branch"] = floatval( get_bloginfo( 'version' ) );
105	$return["{$prefix}php-branch"] = floatval( PHP_VERSION );
106	$return["{$prefix}public"] = Jetpack_Options::get_option( 'public' );
107	$return["{$prefix}ssl"] = Jetpack::permit_ssl();
108	$return["{$prefix}language"] = get_bloginfo( 'language' );
109	$return["{$prefix}charset"] = get_bloginfo( 'charset' );
110	$return["{$prefix}is-multisite"] = is_multisite() ? 'multisite' : 'singlesite';
111	$return["{$prefix}identitycrisis"] = Jetpack::check_identity_crisis( 1 ) ? 'yes' : 'no';
112	$return["{$prefix}plugins"] = implode( ',', Jetpack::get_active_plugins() );
113
114	$return["{$prefix}single-user-site"]= Jetpack::is_single_user_site();
115
116	$return["{$prefix}manage-enabled"] = Jetpack::is_module_active( 'manage' );
117
118	// is-multi-network can have three values, `single-site`, `single-network`, and `multi-network`
119	$return["{$prefix}is-multi-network"] = 'single-site';
120	if ( is_multisite() ) {
121	$return["{$prefix}is-multi-network"] = Jetpack::is_multi_network() ? 'multi-network' : 'single-network';
122	}
123
124	if ( ! empty( $_SERVER['SERVER_ADDR'] ) \|\| ! empty( $_SERVER['LOCAL_ADDR'] ) ) {
125	$ip = ! empty( $_SERVER['SERVER_ADDR'] ) ? $_SERVER['SERVER_ADDR'] : $_SERVER['LOCAL_ADDR'];
126	$ip_arr = array_map( 'intval', explode( '.', $ip ) );
127	if ( 4 == count( $ip_arr ) ) {
128	$return["{$prefix}ip-2-octets"] = implode( '.', array_slice( $ip_arr, 0, 2 ) );
129	}
130	}
131
132	foreach ( Jetpack::get_available_modules() as $slug ) {
133	$return["{$prefix}module-{$slug}"] = Jetpack::is_module_active( $slug ) ? 'on' : 'off';
134	}
135
136	return $return;
137	}
138
139	public static function jetpack_xmlrpc_methods( $methods ) {
140	$methods['jetpack.getHeartbeatData'] = array( __CLASS__, 'generate_stats_array' );
141	return $methods;
142	}
143
144	public function deactivate() {
145	// Deal with the old pre-3.0 weekly one.
146	if ( $timestamp = wp_next_scheduled( 'jetpack_heartbeat' ) ) {
147	wp_unschedule_event( $timestamp, 'jetpack_heartbeat' );
148	}
149
150	$timestamp = wp_next_scheduled( $this->cron_name );
151	wp_unschedule_event( $timestamp, $this->cron_name );
152	}
153
154	}
155