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<?php

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/**

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* The tools

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* @since 3.0

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* @package LiteSpeed

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namespace LiteSpeed;

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defined( 'WPINC' ) || exit();

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/**

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* Class Tool

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* Provides utility functions for LiteSpeed Cache, including IP detection and heartbeat control.

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* @since 3.0

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class Tool extends Root {

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const LOG_TAG = '[Tool]';

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/**

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* Get public IP

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* Retrieves the public IP address of the server.

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* @since 3.0

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* @access public

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* @return string The public IP address or an error message.

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public function check_ip() {

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self::debug( '✅ check_ip' );

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$response = wp_safe_remote_get( 'https://cyberpanel.sh/?ip', [

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'headers' => [

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'User-Agent' => 'curl/8.7.1',

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] );

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if ( is_wp_error( $response ) ) {

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return esc_html__( 'Failed to detect IP', 'litespeed-cache' );

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}

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$ip = trim( $response['body'] );

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self::debug( 'result [ip] ' . $ip );

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if ( Utility::valid_ipv4( $ip ) ) {

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return $ip;

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}

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return esc_html__( 'Failed to detect IP', 'litespeed-cache' );

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}

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/**

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* Heartbeat Control

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* Configures WordPress heartbeat settings for frontend, backend, and editor.

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* @since 3.0

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* @access public

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public function heartbeat() {

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add_action( 'wp_enqueue_scripts', [ $this, 'heartbeat_frontend' ] );

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add_action( 'admin_enqueue_scripts', [ $this, 'heartbeat_backend' ] );

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add_filter( 'heartbeat_settings', [ $this, 'heartbeat_settings' ] );

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}

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/**

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* Heartbeat Control frontend control

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* Manages heartbeat settings for the frontend.

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* @since 3.0

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* @access public

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public function heartbeat_frontend() {

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if ( ! $this->conf( Base::O_MISC_HEARTBEAT_FRONT ) ) {

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return;

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}

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if ( ! $this->conf( Base::O_MISC_HEARTBEAT_FRONT_TTL ) ) {

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wp_deregister_script( 'heartbeat' );

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Debug2::debug( '[Tool] Deregistered frontend heartbeat' );

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}

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}

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/**

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* Heartbeat Control backend control

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* Manages heartbeat settings for the backend and editor.

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* @since 3.0

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* @access public

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public function heartbeat_backend() {

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if ( $this->is_editor() ) {

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if ( ! $this->conf( Base::O_MISC_HEARTBEAT_EDITOR ) ) {

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return;

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}

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if ( ! $this->conf( Base::O_MISC_HEARTBEAT_EDITOR_TTL ) ) {

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wp_deregister_script( 'heartbeat' );

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Debug2::debug( '[Tool] Deregistered editor heartbeat' );

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}

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} else {

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if ( ! $this->conf( Base::O_MISC_HEARTBEAT_BACK ) ) {

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return;

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}

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if ( ! $this->conf( Base::O_MISC_HEARTBEAT_BACK_TTL ) ) {

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wp_deregister_script( 'heartbeat' );

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Debug2::debug( '[Tool] Deregistered backend heartbeat' );

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}

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}

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}

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/**

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* Heartbeat Control settings

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* Adjusts heartbeat interval settings based on configuration.

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* @since 3.0

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* @access public

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* @param array $settings Existing heartbeat settings.

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* @return array Modified heartbeat settings.

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public function heartbeat_settings( $settings ) {

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// Check editor first to make frontend editor valid too

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if ( $this->is_editor() ) {

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if ( $this->conf( Base::O_MISC_HEARTBEAT_EDITOR ) ) {

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$settings['interval'] = $this->conf( Base::O_MISC_HEARTBEAT_EDITOR_TTL );

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Debug2::debug( '[Tool] Heartbeat interval set to ' . $this->conf( Base::O_MISC_HEARTBEAT_EDITOR_TTL ) );

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}

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} elseif ( ! is_admin() ) {

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if ( $this->conf( Base::O_MISC_HEARTBEAT_FRONT ) ) {

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$settings['interval'] = $this->conf( Base::O_MISC_HEARTBEAT_FRONT_TTL );

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Debug2::debug( '[Tool] Heartbeat interval set to ' . $this->conf( Base::O_MISC_HEARTBEAT_FRONT_TTL ) );

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}

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} elseif ( $this->conf( Base::O_MISC_HEARTBEAT_BACK ) ) {

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$settings['interval'] = $this->conf( Base::O_MISC_HEARTBEAT_BACK_TTL );

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Debug2::debug( '[Tool] Heartbeat interval set to ' . $this->conf( Base::O_MISC_HEARTBEAT_BACK_TTL ) );

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}

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return $settings;

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}

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/**

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* Check if in editor

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* Determines if the current request is within the WordPress editor.

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* @since 3.0

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* @access public

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* @return bool True if in editor, false otherwise.

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public function is_editor() {

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$request_uri = isset( $_SERVER['REQUEST_URI'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';

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$res = is_admin() && Utility::str_hit_array( $request_uri, [ 'post.php', 'post-new.php' ] );

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return apply_filters( 'litespeed_is_editor', $res );

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}

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}

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