laipower/wp-content/plugins/gp-premium/general/class-external-file-css.php

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<?php
/**
* This file builds an external CSS file for our options.
*
* @package GP Premium
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // No direct access, please.
}
/**
* Build and enqueue a dynamic stylsheet if needed.
*/
class GeneratePress_External_CSS_File {
/**
* Instance.
*
* @access private
* @var object Instance
* @since 1.11.0
*/
private static $instance;
/**
* Initiator.
*
* @since 1.11.0
* @return object initialized object of class.
*/
public static function get_instance() {
if ( ! isset( self::$instance ) ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Constructor.
*/
public function __construct() {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_dynamic_css' ), 20 );
add_action( 'wp', array( $this, 'init' ), 9 );
add_action( 'customize_save_after', array( $this, 'delete_saved_time' ) );
add_action( 'customize_register', array( $this, 'add_customizer_field' ) );
add_filter( 'generate_option_defaults', array( $this, 'add_option_default' ) );
add_filter( 'generatepress_dynamic_css_print_method', array( $this, 'set_print_method' ) );
if ( ! empty( $_POST ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Just checking, false positive.
add_action( 'wp_ajax_generatepress_regenerate_css_file', array( $this, 'regenerate_css_file' ) );
}
}
/**
* Set our CSS Print Method default.
*
* @param array $defaults Our existing defaults.
*/
public function add_option_default( $defaults ) {
$defaults['css_print_method'] = 'inline';
return $defaults;
}
/**
* Add our option to the Customizer.
*
* @param object $wp_customize The Customizer object.
*/
public function add_customizer_field( $wp_customize ) {
if ( ! function_exists( 'generate_get_defaults' ) ) {
return;
}
$defaults = generate_get_defaults();
require_once GP_LIBRARY_DIRECTORY . 'customizer-helpers.php';
if ( method_exists( $wp_customize, 'register_control_type' ) ) {
$wp_customize->register_control_type( 'GeneratePress_Action_Button_Control' );
}
$wp_customize->add_setting(
'generate_settings[css_print_method]',
array(
'default' => $defaults['css_print_method'],
'type' => 'option',
'sanitize_callback' => 'generate_premium_sanitize_choices',
)
);
$wp_customize->add_control(
'generate_settings[css_print_method]',
array(
'type' => 'select',
'label' => __( 'Dynamic CSS Print Method', 'gp-premium' ),
'description' => __( 'Generating your dynamic CSS in an external file offers significant performance advantages.', 'gp-premium' ),
'section' => 'generate_general_section',
'choices' => array(
'inline' => __( 'Inline Embedding', 'gp-premium' ),
'file' => __( 'External File', 'gp-premium' ),
),
'settings' => 'generate_settings[css_print_method]',
)
);
$wp_customize->add_control(
new GeneratePress_Action_Button_Control(
$wp_customize,
'generate_regenerate_external_css_file',
array(
'section' => 'generate_general_section',
'data_type' => 'regenerate_external_css',
'nonce' => esc_html( wp_create_nonce( 'generatepress_regenerate_css_file' ) ),
'label' => __( 'Regenerate CSS File', 'gp-premium' ),
'settings' => ( isset( $wp_customize->selective_refresh ) ) ? array() : 'blogname',
'active_callback' => 'generate_is_using_external_css_file_callback',
)
)
);
}
/**
* Set our CSS Print Method.
*
* @param string $method The existing method.
*/
public function set_print_method( $method ) {
if ( ! function_exists( 'generate_get_option' ) ) {
return $method;
}
return generate_get_option( 'css_print_method' );
}
/**
* Determine if we're using file mode or inline mode.
*/
public function mode() {
$mode = generate_get_css_print_method();
if ( 'file' === $mode && $this->needs_update() ) {
$data = get_option( 'generatepress_dynamic_css_data', array() );
if ( ! isset( $data['updated_time'] ) ) {
// No time set, so set the current time minus 5 seconds so the file is still generated.
$data['updated_time'] = time() - 5;
update_option( 'generatepress_dynamic_css_data', $data );
}
// Only allow processing 1 file every 5 seconds.
$current_time = (int) time();
$last_time = (int) $data['updated_time'];
if ( 5 <= ( $current_time - $last_time ) ) {
// Attempt to write to the file.
$mode = ( $this->can_write() && $this->make_css() ) ? 'file' : 'inline';
// Does again if the file exists.
if ( 'file' === $mode ) {
$mode = ( file_exists( $this->file( 'path' ) ) ) ? 'file' : 'inline';
}
}
}
return $mode;
}
/**
* Set things up.
*/
public function init() {
if ( 'file' === $this->mode() ) {
add_filter( 'generate_using_dynamic_css_external_file', '__return_true' );
add_filter( 'generate_dynamic_css_skip_cache', '__return_true', 20 );
// Remove inline CSS in GP < 3.0.0.
if ( ! function_exists( 'generate_get_dynamic_css' ) && function_exists( 'generate_enqueue_dynamic_css' ) ) {
remove_action( 'wp_enqueue_scripts', 'generate_enqueue_dynamic_css', 50 );
}
}
}
/**
* Enqueue the dynamic CSS.
*/
public function enqueue_dynamic_css() {
if ( 'file' === $this->mode() ) {
wp_enqueue_style( 'generatepress-dynamic', esc_url( $this->file( 'uri' ) ), array( 'generate-style' ), null ); // phpcs:ignore WordPress.WP.EnqueuedResourceParameters.MissingVersion
// Move the child theme after our dynamic stylesheet.
if ( is_child_theme() && wp_style_is( 'generate-child', 'enqueued' ) ) {
wp_dequeue_style( 'generate-child' );
wp_enqueue_style( 'generate-child' );
}
// Re-add no-cache CSS in GP < 3.0.0.
if ( ! function_exists( 'generate_get_dynamic_css' ) && function_exists( 'generate_no_cache_dynamic_css' ) ) {
$nocache_css = generate_no_cache_dynamic_css();
if ( function_exists( 'generate_do_icon_css' ) ) {
$nocache_css .= generate_do_icon_css();
}
wp_add_inline_style( 'generate-style', wp_strip_all_tags( $nocache_css ) );
}
}
}
/**
* Make our CSS.
*/
public function make_css() {
$content = '';
if ( function_exists( 'generate_get_dynamic_css' ) ) {
$content = generate_get_dynamic_css();
} elseif ( function_exists( 'generate_base_css' ) && function_exists( 'generate_font_css' ) && function_exists( 'generate_advanced_css' ) && function_exists( 'generate_spacing_css' ) ) {
$content = generate_base_css() . generate_font_css() . generate_advanced_css() . generate_spacing_css();
}
$content = apply_filters( 'generate_external_dynamic_css_output', $content );
if ( ! $content ) {
return false;
}
$filesystem = generate_premium_get_wp_filesystem();
if ( ! $filesystem ) {
return false;
}
// Take care of domain mapping.
if ( defined( 'DOMAIN_MAPPING' ) && DOMAIN_MAPPING ) {
if ( function_exists( 'domain_mapping_siteurl' ) && function_exists( 'get_original_url' ) ) {
$mapped_domain = domain_mapping_siteurl( false );
$original_domain = get_original_url( 'siteurl' );
$content = str_replace( $original_domain, $mapped_domain, $content );
}
}
if ( is_writable( $this->file( 'path' ) ) || ( ! file_exists( $this->file( 'path' ) ) && is_writable( dirname( $this->file( 'path' ) ) ) ) ) {
$chmod_file = 0644;
if ( defined( 'FS_CHMOD_FILE' ) ) {
$chmod_file = FS_CHMOD_FILE;
}
if ( ! $filesystem->put_contents( $this->file( 'path' ), wp_strip_all_tags( $content ), $chmod_file ) ) {
// Fail!
return false;
} else {
$this->update_saved_time();
// Success!
return true;
}
}
}
/**
* Determines if the CSS file is writable.
*/
public function can_write() {
global $blog_id;
// Get the upload directory for this site.
$upload_dir = wp_get_upload_dir();
// If this is a multisite installation, append the blogid to the filename.
$css_blog_id = ( is_multisite() && $blog_id > 1 ) ? '_blog-' . $blog_id : null;
$file_name = '/style' . $css_blog_id . '.min.css';
$folder_path = $upload_dir['basedir'] . DIRECTORY_SEPARATOR . 'generatepress';
// Does the folder exist?
if ( file_exists( $folder_path ) ) {
// Folder exists, but is the folder writable?
if ( ! is_writable( $folder_path ) ) {
// Folder is not writable.
// Does the file exist?
if ( ! file_exists( $folder_path . $file_name ) ) {
// File does not exist, therefore it can't be created
// since the parent folder is not writable.
return false;
} else {
// File exists, but is it writable?
if ( ! is_writable( $folder_path . $file_name ) ) {
// Nope, it's not writable.
return false;
}
}
} else {
// The folder is writable.
// Does the file exist?
if ( file_exists( $folder_path . $file_name ) ) {
// File exists.
// Is it writable?
if ( ! is_writable( $folder_path . $file_name ) ) {
// Nope, it's not writable.
return false;
}
}
}
} else {
// Can we create the folder?
// returns true if yes and false if not.
return wp_mkdir_p( $folder_path );
}
// all is well!
return true;
}
/**
* Gets the css path or url to the stylesheet
*
* @param string $target path/url.
*/
public function file( $target = 'path' ) {
global $blog_id;
// Get the upload directory for this site.
$upload_dir = wp_get_upload_dir();
// If this is a multisite installation, append the blogid to the filename.
$css_blog_id = ( is_multisite() && $blog_id > 1 ) ? '_blog-' . $blog_id : null;
$file_name = 'style' . $css_blog_id . '.min.css';
$folder_path = $upload_dir['basedir'] . DIRECTORY_SEPARATOR . 'generatepress';
// The complete path to the file.
$file_path = $folder_path . DIRECTORY_SEPARATOR . $file_name;
// Get the URL directory of the stylesheet.
$css_uri_folder = $upload_dir['baseurl'];
$css_uri = trailingslashit( $css_uri_folder ) . 'generatepress/' . $file_name;
// Take care of domain mapping.
if ( defined( 'DOMAIN_MAPPING' ) && DOMAIN_MAPPING ) {
if ( function_exists( 'domain_mapping_siteurl' ) && function_exists( 'get_original_url' ) ) {
$mapped_domain = domain_mapping_siteurl( false );
$original_domain = get_original_url( 'siteurl' );
$css_uri = str_replace( $original_domain, $mapped_domain, $css_uri );
}
}
$css_uri = set_url_scheme( $css_uri );
if ( 'path' === $target ) {
return $file_path;
} elseif ( 'url' === $target || 'uri' === $target ) {
$timestamp = ( file_exists( $file_path ) ) ? '?ver=' . filemtime( $file_path ) : '';
return $css_uri . $timestamp;
}
}
/**
* Update the our updated file time.
*/
public function update_saved_time() {
$data = get_option( 'generatepress_dynamic_css_data', array() );
$data['updated_time'] = time();
update_option( 'generatepress_dynamic_css_data', $data );
}
/**
* Delete the saved time.
*/
public function delete_saved_time() {
$data = get_option( 'generatepress_dynamic_css_data', array() );
if ( isset( $data['updated_time'] ) ) {
unset( $data['updated_time'] );
}
update_option( 'generatepress_dynamic_css_data', $data );
}
/**
* Update our plugin/theme versions.
*/
public function update_versions() {
$data = get_option( 'generatepress_dynamic_css_data', array() );
$data['theme_version'] = GENERATE_VERSION;
$data['plugin_version'] = GP_PREMIUM_VERSION;
update_option( 'generatepress_dynamic_css_data', $data );
}
/**
* Do we need to update the CSS file?
*/
public function needs_update() {
$data = get_option( 'generatepress_dynamic_css_data', array() );
$update = false;
// If there's no updated time, needs update.
// The time is set in mode().
if ( ! isset( $data['updated_time'] ) ) {
$update = true;
}
// If we haven't set our versions, do so now.
if ( ! isset( $data['theme_version'] ) && ! isset( $data['plugin_version'] ) ) {
$update = true;
$this->update_versions();
// Bail early so we don't check undefined versions below.
return $update;
}
// Version numbers have changed, needs update.
if ( (string) GENERATE_VERSION !== (string) $data['theme_version'] || (string) GP_PREMIUM_VERSION !== (string) $data['plugin_version'] ) {
$update = true;
$this->update_versions();
}
return $update;
}
/**
* Regenerate the CSS file.
*/
public function regenerate_css_file() {
check_ajax_referer( 'generatepress_regenerate_css_file', '_nonce' );
if ( ! current_user_can( 'manage_options' ) ) {
wp_send_json_error( __( 'Security check failed.', 'gp-premium' ) );
}
$this->delete_saved_time();
wp_send_json_success();
}
}
GeneratePress_External_CSS_File::get_instance();