Viewing file:  class-onpage.php (5.67 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
/**
* @package WPSEO\Admin
*/
/**
* Handle the request for getting the onpage status
*/
class WPSEO_OnPage {
/**
* The name of the user meta key for storing the dismissed status.
*/
const USER_META_KEY = 'wpseo_dismiss_onpage';
/**
* @var WPSEO_OnPage_Option The OnPage.org option class.
*/
private $onpage_option;
/**
* @var boolean Is the request started by pressing the fetch button.
*/
private $is_manual_request = false;
/**
* Constructing the object
*/
public function __construct() {
// We never want to fetch on AJAX request because doing a remote request is really slow.
if ( ! ( defined( 'DOING_AJAX' ) && DOING_AJAX === true ) ) {
$this->onpage_option = new WPSEO_OnPage_Option();
if ( $this->onpage_option->is_enabled() ) {
$this->set_hooks();
$this->catch_redo_listener();
}
}
}
/**
* The hooks to run on plugin activation
*/
public function activate_hooks() {
$this->set_cron();
}
/**
* Adding a weekly schedule to the schedules array
*
* @param array $schedules Array with schedules.
*
* @return array
*/
public function add_weekly_schedule( array $schedules ) {
$schedules['weekly'] = array( 'interval' => WEEK_IN_SECONDS, 'display' => __( 'Once Weekly', 'wordpress-seo' ) );
return $schedules;
}
/**
* Fetching the data from onpage.
*
* @return bool
*/
public function fetch_from_onpage() {
if ( $this->onpage_option->should_be_fetched() && false !== ( $new_status = $this->request_indexability() ) ) {
// Updates the timestamp in the option.
$this->onpage_option->set_last_fetch( time() );
// The currently indexability status.
$old_status = $this->onpage_option->get_status();
// Saving the new status.
$this->onpage_option->set_status( $new_status );
// Saving the option.
$this->onpage_option->save_option();
// Check if the status has been changed.
if ( $old_status !== $new_status && $new_status !== WPSEO_OnPage_Option::CANNOT_FETCH ) {
$this->notify_admins();
}
return true;
}
return false;
}
/**
* Show a notice when the website is not indexable
*/
public function show_notice() {
$notification = $this->get_indexability_notification();
$notification_center = Yoast_Notification_Center::get();
if ( $this->should_show_notice() ) {
$notification_center->add_notification( $notification );
}
else {
$notification_center->remove_notification( $notification );
}
}
/**
* Builds the indexability notification
*
* @return Yoast_Notification
*/
private function get_indexability_notification() {
$notice = sprintf(
/* translators: 1: opens a link to a related knowledge base article. 2: closes the link */
__( '%1$sYour homepage cannot be indexed by search engines%2$s. This is very bad for SEO and should be fixed.', 'wordpress-seo' ),
'<a href="' . WPSEO_Shortlinker::get( 'https://yoa.st/onpageindexerror' ) . '" target="_blank">',
'</a>'
);
return new Yoast_Notification(
$notice,
array(
'type' => Yoast_Notification::ERROR,
'id' => 'wpseo-dismiss-onpageorg',
'capabilities' => 'manage_options',
)
);
}
/**
* Send a request to OnPage.org to get the indexability
*
* @return int(0)|int(1)|false
*/
protected function request_indexability() {
$parameters = array();
if ( $this->wordfence_protection_enabled() ) {
$parameters['wf_strict'] = 1;
}
$request = new WPSEO_OnPage_Request();
$response = $request->do_request( get_option( 'home' ), $parameters );
if ( isset( $response['is_indexable'] ) ) {
return (int) $response['is_indexable'];
}
return WPSEO_OnPage_Option::CANNOT_FETCH;
}
/**
* Should the notice being given?
*
* @return bool
*/
protected function should_show_notice() {
// If development mode is on or the blog is not public, just don't show this notice.
if ( WPSEO_Utils::is_development_mode() || ( '0' === get_option( 'blog_public' ) ) ) {
return false;
}
return $this->onpage_option->get_status() === WPSEO_OnPage_Option::IS_NOT_INDEXABLE;
}
/**
* Notify the admins
*/
protected function notify_admins() {
/*
* Let's start showing the notices to all admins by removing the hide-notice meta data for each admin resulting
* in popping up the notice again.
*/
delete_metadata( 'user', 0, WPSEO_OnPage::USER_META_KEY, '', true );
}
/**
* Setting up the hooks.
*/
private function set_hooks() {
// Schedule cronjob when it doesn't exists on activation.
register_activation_hook( WPSEO_FILE, array( $this, 'activate_hooks' ) );
// Add weekly schedule to the cron job schedules.
add_filter( 'cron_schedules', array( $this, 'add_weekly_schedule' ) );
// Adding admin notice if necessary.
add_filter( 'admin_init', array( $this, 'show_notice' ) );
// Setting the action for the OnPage fetch.
add_action( 'wpseo_onpage_fetch', array( $this, 'fetch_from_onpage' ) );
}
/**
* Setting the cronjob to get the new indexibility status.
*/
private function set_cron() {
if ( ! wp_next_scheduled( 'wpseo_onpage_fetch' ) ) {
wp_schedule_event( time(), 'weekly', 'wpseo_onpage_fetch' );
}
}
/**
* Redo the fetch request for onpage
*/
private function catch_redo_listener() {
if ( filter_input( INPUT_GET, 'wpseo-redo-onpage' ) === '1' ) {
$this->is_manual_request = true;
add_action( 'admin_init', array( $this, 'fetch_from_onpage' ) );
}
}
/**
* Checks if WordFence protects the site against 'fake' Google crawlers.
*
* @return boolean
*/
private function wordfence_protection_enabled() {
if ( ! class_exists( 'wfConfig' ) ) {
return false;
}
if ( ! method_exists( 'wfConfig', 'get' ) ) {
return false;
}
return (bool) wfConfig::get( 'blockFakeBots' );
}
}
|