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fab7a3bb92
This changeset adds a new `page_cache` check which determines whether the site uses a full page cache, and in addition assesses the server response time. If no page cache is present and the server response time is slow, the check will suggest use of a page cache. A few filters are included for customization of the check: * `site_status_good_response_time_threshold` filters the number of milliseconds below which the server response time is considered good. The default value is based on the `server-response-time` Lighthouse audit and can be altered using this filter. * `site_status_page_cache_supported_cache_headers` filters the map of supported cache headers and their callback to determine whether it was a cache hit. The default list includes commonly used cache headers, and it is filterable to support e.g. additional cache headers used by specific vendors. Note that due to the nature of this check it is only run in production environments. Props furi3r, westonruter, spacedmonkey, swissspidy, Clorith. Fixes #56041. Built from https://develop.svn.wordpress.org/trunk@54043 git-svn-id: http://core.svn.wordpress.org/trunk@53602 1a063a9b-81f0-0310-95a4-ce76da25c4cd
408 lines
9.6 KiB
PHP
408 lines
9.6 KiB
PHP
<?php
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/**
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* REST API: WP_REST_Site_Health_Controller class
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 5.6.0
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*/
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/**
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* Core class for interacting with Site Health tests.
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*
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* @since 5.6.0
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*
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* @see WP_REST_Controller
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*/
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class WP_REST_Site_Health_Controller extends WP_REST_Controller {
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/**
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* An instance of the site health class.
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*
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* @since 5.6.0
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*
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* @var WP_Site_Health
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*/
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private $site_health;
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/**
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* Site Health controller constructor.
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*
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* @since 5.6.0
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*
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* @param WP_Site_Health $site_health An instance of the site health class.
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*/
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public function __construct( $site_health ) {
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$this->namespace = 'wp-site-health/v1';
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$this->rest_base = 'tests';
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$this->site_health = $site_health;
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}
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/**
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* Registers API routes.
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*
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* @since 5.6.0
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* @since 6.1.0 Adds page-cache async test.
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*
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* @see register_rest_route()
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*/
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public function register_routes() {
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register_rest_route(
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$this->namespace,
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sprintf(
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'/%s/%s',
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$this->rest_base,
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'background-updates'
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),
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array(
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array(
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'methods' => 'GET',
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'callback' => array( $this, 'test_background_updates' ),
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'permission_callback' => function () {
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return $this->validate_request_permission( 'background_updates' );
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},
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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register_rest_route(
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$this->namespace,
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sprintf(
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'/%s/%s',
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$this->rest_base,
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'loopback-requests'
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),
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array(
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array(
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'methods' => 'GET',
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'callback' => array( $this, 'test_loopback_requests' ),
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'permission_callback' => function () {
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return $this->validate_request_permission( 'loopback_requests' );
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},
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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register_rest_route(
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$this->namespace,
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sprintf(
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'/%s/%s',
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$this->rest_base,
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'https-status'
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),
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array(
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array(
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'methods' => 'GET',
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'callback' => array( $this, 'test_https_status' ),
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'permission_callback' => function () {
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return $this->validate_request_permission( 'https_status' );
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},
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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register_rest_route(
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$this->namespace,
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sprintf(
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'/%s/%s',
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$this->rest_base,
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'dotorg-communication'
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),
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array(
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array(
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'methods' => 'GET',
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'callback' => array( $this, 'test_dotorg_communication' ),
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'permission_callback' => function () {
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return $this->validate_request_permission( 'dotorg_communication' );
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},
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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register_rest_route(
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$this->namespace,
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sprintf(
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'/%s/%s',
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$this->rest_base,
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'authorization-header'
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),
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array(
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array(
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'methods' => 'GET',
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'callback' => array( $this, 'test_authorization_header' ),
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'permission_callback' => function () {
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return $this->validate_request_permission( 'authorization_header' );
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},
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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register_rest_route(
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$this->namespace,
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sprintf(
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'/%s',
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'directory-sizes'
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),
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array(
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'methods' => 'GET',
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'callback' => array( $this, 'get_directory_sizes' ),
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'permission_callback' => function() {
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return $this->validate_request_permission( 'debug_enabled' ) && ! is_multisite();
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},
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)
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);
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register_rest_route(
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$this->namespace,
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sprintf(
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'/%s/%s',
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$this->rest_base,
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'page-cache'
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),
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array(
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array(
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'methods' => 'GET',
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'callback' => array( $this, 'test_page_cache' ),
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'permission_callback' => function () {
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return $this->validate_request_permission( 'view_site_health_checks' );
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},
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),
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)
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);
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}
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/**
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* Validates if the current user can request this REST endpoint.
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*
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* @since 5.6.0
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*
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* @param string $check The endpoint check being ran.
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* @return bool
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*/
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protected function validate_request_permission( $check ) {
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$default_capability = 'view_site_health_checks';
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/**
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* Filters the capability needed to run a given Site Health check.
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*
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* @since 5.6.0
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*
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* @param string $default_capability The default capability required for this check.
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* @param string $check The Site Health check being performed.
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*/
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$capability = apply_filters( "site_health_test_rest_capability_{$check}", $default_capability, $check );
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return current_user_can( $capability );
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}
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/**
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* Checks if background updates work as expected.
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*
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* @since 5.6.0
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*
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* @return array
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*/
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public function test_background_updates() {
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$this->load_admin_textdomain();
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return $this->site_health->get_test_background_updates();
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}
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/**
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* Checks that the site can reach the WordPress.org API.
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*
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* @since 5.6.0
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*
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* @return array
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*/
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public function test_dotorg_communication() {
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$this->load_admin_textdomain();
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return $this->site_health->get_test_dotorg_communication();
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}
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/**
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* Checks that loopbacks can be performed.
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*
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* @since 5.6.0
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*
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* @return array
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*/
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public function test_loopback_requests() {
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$this->load_admin_textdomain();
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return $this->site_health->get_test_loopback_requests();
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}
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/**
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* Checks that the site's frontend can be accessed over HTTPS.
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*
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* @since 5.7.0
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*
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* @return array
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*/
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public function test_https_status() {
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$this->load_admin_textdomain();
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return $this->site_health->get_test_https_status();
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}
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/**
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* Checks that the authorization header is valid.
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*
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* @since 5.6.0
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*
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* @return array
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*/
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public function test_authorization_header() {
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$this->load_admin_textdomain();
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return $this->site_health->get_test_authorization_header();
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}
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/**
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* Checks that full page cache is active.
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*
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* @since 6.1.0
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*
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* @return array The test result.
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*/
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public function test_page_cache() {
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$this->load_admin_textdomain();
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return $this->site_health->get_test_page_cache();
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}
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/**
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* Gets the current directory sizes for this install.
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*
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* @since 5.6.0
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*
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* @return array|WP_Error
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*/
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public function get_directory_sizes() {
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if ( ! class_exists( 'WP_Debug_Data' ) ) {
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require_once ABSPATH . 'wp-admin/includes/class-wp-debug-data.php';
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}
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$this->load_admin_textdomain();
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$sizes_data = WP_Debug_Data::get_sizes();
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$all_sizes = array( 'raw' => 0 );
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foreach ( $sizes_data as $name => $value ) {
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$name = sanitize_text_field( $name );
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$data = array();
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if ( isset( $value['size'] ) ) {
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if ( is_string( $value['size'] ) ) {
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$data['size'] = sanitize_text_field( $value['size'] );
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} else {
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$data['size'] = (int) $value['size'];
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}
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}
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if ( isset( $value['debug'] ) ) {
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if ( is_string( $value['debug'] ) ) {
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$data['debug'] = sanitize_text_field( $value['debug'] );
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} else {
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$data['debug'] = (int) $value['debug'];
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}
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}
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if ( ! empty( $value['raw'] ) ) {
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$data['raw'] = (int) $value['raw'];
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}
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$all_sizes[ $name ] = $data;
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}
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if ( isset( $all_sizes['total_size']['debug'] ) && 'not available' === $all_sizes['total_size']['debug'] ) {
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return new WP_Error( 'not_available', __( 'Directory sizes could not be returned.' ), array( 'status' => 500 ) );
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}
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return $all_sizes;
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}
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/**
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* Loads the admin textdomain for Site Health tests.
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*
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* The {@see WP_Site_Health} class is defined in WP-Admin, while the REST API operates in a front-end context.
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* This means that the translations for Site Health won't be loaded by default in {@see load_default_textdomain()}.
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*
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* @since 5.6.0
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*/
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protected function load_admin_textdomain() {
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// Accounts for inner REST API requests in the admin.
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if ( ! is_admin() ) {
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$locale = determine_locale();
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load_textdomain( 'default', WP_LANG_DIR . "/admin-$locale.mo" );
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}
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}
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/**
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* Gets the schema for each site health test.
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*
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* @since 5.6.0
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*
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* @return array The test schema.
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*/
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public function get_item_schema() {
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if ( $this->schema ) {
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return $this->schema;
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}
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$this->schema = array(
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'$schema' => 'http://json-schema.org/draft-04/schema#',
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'title' => 'wp-site-health-test',
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'type' => 'object',
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'properties' => array(
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'test' => array(
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'type' => 'string',
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'description' => __( 'The name of the test being run.' ),
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'readonly' => true,
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),
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'label' => array(
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'type' => 'string',
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'description' => __( 'A label describing the test.' ),
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'readonly' => true,
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),
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'status' => array(
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'type' => 'string',
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'description' => __( 'The status of the test.' ),
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'enum' => array( 'good', 'recommended', 'critical' ),
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'readonly' => true,
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),
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'badge' => array(
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'type' => 'object',
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'description' => __( 'The category this test is grouped in.' ),
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'properties' => array(
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'label' => array(
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'type' => 'string',
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'readonly' => true,
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),
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'color' => array(
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'type' => 'string',
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'enum' => array( 'blue', 'orange', 'red', 'green', 'purple', 'gray' ),
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'readonly' => true,
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),
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),
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'readonly' => true,
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),
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'description' => array(
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'type' => 'string',
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'description' => __( 'A more descriptive explanation of what the test looks for, and why it is important for the user.' ),
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'readonly' => true,
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),
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'actions' => array(
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'type' => 'string',
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'description' => __( 'HTML containing an action to direct the user to where they can resolve the issue.' ),
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'readonly' => true,
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),
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),
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);
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return $this->schema;
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}
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}
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