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<?php
namespace WP_Rocket\Engine\Admin\DomainChange;
use WP_Rocket\Engine\Admin\Beacon\Beacon;
use WP_Rocket\Engine\Common\Ajax\AjaxHandler;
use WP_Rocket\Event_Management\Subscriber_Interface;
class Subscriber implements Subscriber_Interface {
/**
* Handle basic ajax operations.
*
* @var AjaxHandler
*/
protected $ajax_handler;
/**
* Beacon instance
*
* @var Beacon
*/
protected $beacon;
/**
* Name of the option saving the last base URL.
*
* @var string
*/
const LAST_BASE_URL_OPTION = 'wp_rocket_last_base_url';
/**
* Instantiate the class.
*
* @param AjaxHandler $ajax_handler Handle basic ajax operations.
* @param Beacon $beacon Beacon instance.
*/
public function __construct( AjaxHandler $ajax_handler, Beacon $beacon ) {
$this->ajax_handler = $ajax_handler;
$this->beacon = $beacon;
}
/**
* Return an array of events that this subscriber wants to listen to.
*
* @return string[]
*/
public static function get_subscribed_events() {
return [
'admin_init' => 'maybe_launch_domain_changed',
'admin_notices' => 'maybe_display_domain_change_notice',
'rocket_domain_changed' => 'maybe_clean_cache_domain_change',
'rocket_notice_args' => 'add_regenerate_configuration_action',
'admin_post_rocket_regenerate_configuration' => 'regenerate_configuration',
];
}
/**
* Maybe launch the domain changed event.
*
* @return void
*/
public function maybe_launch_domain_changed() {
if ( wp_doing_ajax() ) {
return;
}
$base_url = trailingslashit( get_option( 'home' ) );
$base_url_encoded = base64_encode( $base_url ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
$last_base_url_encoded = get_option( self::LAST_BASE_URL_OPTION );
if ( ! $last_base_url_encoded ) {
update_option( self::LAST_BASE_URL_OPTION, $base_url_encoded, true );
return;
}
if ( $base_url_encoded === $last_base_url_encoded ) {
return;
}
update_option( self::LAST_BASE_URL_OPTION, $base_url_encoded, true );
$last_base_url = base64_decode( $last_base_url_encoded ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode
set_transient( 'rocket_domain_changed', $last_base_url_encoded, 2 * rocket_get_constant( 'WEEK_IN_SECONDS', 604800 ) );
/**
* Fires when the domain of the website has been changed.
*
* @param string $current_url current URL from the website.
* @param string $old_url old URL from the website.
*/
do_action( 'rocket_detected_domain_changed', $base_url, $last_base_url );
}
/**
* Maybe clean cache on domain change.
*
* @return void
*/
public function maybe_clean_cache_domain_change() {
$options = get_option( rocket_get_constant( 'WP_ROCKET_SLUG' ) );
if ( ! $options ) {
return;
}
/**
* Fires after WP Rocket options that require a cache purge have changed
*
* @param array $value An array of submitted values for the settings.
*/
do_action( 'rocket_domain_options_changed', $options );
}
/**
* Maybe display a notice when domain change.
*
* @return void
*/
public function maybe_display_domain_change_notice() {
if ( ! current_user_can( 'rocket_manage_options' ) ) {
return;
}
$notice = get_transient( 'rocket_domain_changed' );
if ( ! $notice || is_multisite() ) {
return;
}
$beacon = $this->beacon->get_suggest( 'domain_change' );
$args = [
'status' => 'warning',
'dismissible' => '',
'dismiss_button' => false,
'message' => sprintf(
// translators: %1$s = <strong>, %2$s = </strong>, %3$s = <a>, %4$s = </a>.
__( '%1$sWP Rocket:%2$s We detected that the website domain has changed. The configuration files must be regenerated for the page cache and all other optimizations to work as intended. %3$sLearn More%4$s', 'rocket' ),
'<strong>',
'</strong>',
'<a href="' . esc_url( $beacon['url'] ) . '" data-beacon-article="' . esc_attr( $beacon['id'] ) . '" target="_blank" rel="noopener noreferrer">',
'</a>'
),
'action' => 'regenerate_configuration',
];
rocket_notice_html( $args );
}
/**
* Add mapping on notice.
*
* @param array $args Arguments from the notice.
*
* @return array
*/
public function add_regenerate_configuration_action( $args ) {
if ( ! key_exists( 'action', $args ) || 'regenerate_configuration' !== $args['action'] ) {
return $args;
}
$params = [
'action' => 'rocket_regenerate_configuration',
];
$args['action'] = '<a class="wp-core-ui button" href="' . add_query_arg( $params, wp_nonce_url( admin_url( 'admin-post.php' ), 'rocket_regenerate_configuration' ) ) . '">' . __( 'Regenerate WP Rocket configuration files now', 'rocket' ) . '</a>';
return $args;
}
/**
* Regenerate configurations.
*
* @return void
*/
public function regenerate_configuration() {
if ( ! $this->ajax_handler->validate_referer(
'rocket_regenerate_configuration',
'rocket_manage_options'
) ) {
return;
}
$last_base_url_encoded = get_transient( 'rocket_domain_changed' );
if ( ! $last_base_url_encoded ) {
return;
}
$last_base_url = base64_decode( $last_base_url_encoded ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode
$base_url = trailingslashit( get_option( 'home' ) );
/**
* Fires when the domain of the website has been changed and user clicked on notice.
*
* @param string $current_url current URL from the website.
* @param string $old_url old URL from the website.
*/
do_action( 'rocket_domain_changed', $base_url, $last_base_url );
delete_transient( 'rocket_domain_changed' );
$this->ajax_handler->redirect();
}
}
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