| Current File : /home/escuelai/www/wp-content/plugins/w3-total-cache/UserExperience_Remove_CssJs_Extension.php |
<?php
/**
* File: UserExperience_Remove_CssJs_Extension.php
*
* Controls the Remove CSS/JS feature.
*
* @since 2.7.0
*
* @package W3TC
*/
namespace W3TC;
/**
* UserExperience Remove Css/Js Extension.
*
* @since 2.7.0
*/
class UserExperience_Remove_CssJs_Extension {
/**
* Config.
*
* @var object
*/
private $config;
/**
* Mutator.
*
* @var object
*/
private $mutator;
/**
* User Experience Remove Css/Js constructor.
*
* @since 2.7.0
*/
public function __construct() {
$this->config = Dispatcher::config();
}
/**
* Runs User Experience Remove Css/Js feature.
*
* @since 2.7.0
*
* @return void
*/
public function run() {
add_action( 'w3tc_userexperience_page', array( $this, 'w3tc_userexperience_page' ), 12 );
/**
* This filter is documented in Generic_AdminActions_Default.php under the read_request method.
*/
add_filter( 'w3tc_config_key_descriptor', array( $this, 'w3tc_config_key_descriptor' ), 10, 2 );
if ( ! Util_Environment::is_w3tc_pro( $this->config ) ) {
$this->config->set_extension_active_frontend( 'user-experience-remove-cssjs', false );
return;
}
Util_Bus::add_ob_callback( 'removecssjs', array( $this, 'ob_callback' ) );
add_filter( 'w3tc_save_options', array( $this, 'w3tc_save_options' ), 10, 2 );
}
/**
* Processes the page content buffer to remove target CSS/JS.
*
* @since 2.7.0
*
* @param string $buffer page content buffer.
*
* @return string
*/
public function ob_callback( $buffer ) {
if ( '' === $buffer || ! \W3TC\Util_Content::is_html_xml( $buffer ) ) {
return $buffer;
}
$can_process = array(
'enabled' => true,
'buffer' => $buffer,
'reason' => null,
);
$can_process = $this->can_process( $can_process );
$can_process = apply_filters( 'w3tc_remove_cssjs_can_process', $can_process );
// set reject reason in comment.
if ( $can_process['enabled'] ) {
$reject_reason = '';
} else {
$reject_reason = empty( $can_process['reason'] ) ? ' (not specified)' : ' (' . $can_process['reason'] . ')';
}
$buffer = str_replace(
'{w3tc_remove_cssjs_reject_reason}',
$reject_reason,
$buffer
);
// processing.
if ( ! $can_process['enabled'] ) {
return $buffer;
}
$this->mutator = new UserExperience_Remove_CssJs_Mutator( $this->config );
$buffer = $this->mutator->run( $buffer );
return $buffer;
}
/**
* Checks if the request can be processed for remove CSS/JS.
*
* @since 2.7.0
*
* @param boolean $can_process flag representing if remove CSS/JS can be executed.
*
* @return boolean
*/
private function can_process( $can_process ) {
if ( defined( 'WP_ADMIN' ) ) {
$can_process['enabled'] = false;
$can_process['reason'] = 'WP_ADMIN';
return $can_process;
}
if ( defined( 'SHORTINIT' ) && SHORTINIT ) {
$can_process['enabled'] = false;
$can_process['reason'] = 'SHORTINIT';
return $can_process;
}
if ( function_exists( 'is_feed' ) && is_feed() ) {
$can_process['enabled'] = false;
$can_process['reason'] = 'feed';
return $can_process;
}
return $can_process;
}
/**
* Adds remove CSS/JS message to W3TC footer comment.
*
* @since 2.7.0
*
* @param array $strings array of W3TC footer comments.
*
* @return array
*/
public function w3tc_footer_comment( $strings ) {
$strings[] = __( 'Remove CSS/JS', 'w3-total-cache' ) . '{w3tc_remove_cssjs_reject_reason}';
return $strings;
}
/**
* Renders the user experience remove CSS/JS settings page.
*
* @since 2.7.0
*
* @return void
*/
public function w3tc_userexperience_page() {
include __DIR__ . '/UserExperience_Remove_CssJs_Page_View.php';
}
/**
* Specify config key typing for fields that need it.
*
* @since 2.7.0
*
* @param mixed $descriptor Descriptor.
* @param mixed $key Compound key array.
*
* @return array
*/
public function w3tc_config_key_descriptor( $descriptor, $key ) {
if ( is_array( $key ) && 'user-experience-remove-cssjs.includes' === implode( '.', $key ) ) {
$descriptor = array( 'type' => 'array' );
}
return $descriptor;
}
/**
* Performs actions on save.
*
* @since 2.7.0
*
* @param array $data Array of save data.
* @param array $page String page value.
*
* @return array
*/
public function w3tc_save_options( $data, $page ) {
if ( 'w3tc_userexperience' === $page ) {
$new_config =& $data['new_config'];
$old_config =& $data['old_config'];
$old_cssjs_includes = $old_config->get_array( array( 'user-experience-remove-cssjs', 'includes' ) );
$old_cssjs_singles = $old_config->get_array( 'user-experience-remove-cssjs-singles' );
$new_cssjs_includes = $new_config->get_array( array( 'user-experience-remove-cssjs', 'includes' ) );
$new_cssjs_singles = $new_config->get_array( 'user-experience-remove-cssjs-singles' );
if ( ! ( $new_cssjs_singles === $old_cssjs_singles ) ) {
$raw_cssjs_singles = $new_config->get_array( 'user-experience-remove-cssjs-singles' );
$new_cssjs_singles = array();
foreach ( $raw_cssjs_singles as $single_id => $single_config ) {
if ( ! empty( $single_config['url_pattern'] ) && ! empty( $single_config['action'] ) && ( is_string( $single_config['includes'] ) || is_string( $single_config['includes_content'] ) ) ) {
$new_cssjs_singles[ $single_id ]['url_pattern'] = preg_replace( '/\?.*$/', '', filter_var( $single_config['url_pattern'], FILTER_SANITIZE_URL ) );
$new_cssjs_singles[ $single_id ]['action'] = $single_config['action'];
$new_cssjs_singles[ $single_id ]['includes'] = Util_Environment::textarea_to_array( $single_config['includes'] );
$new_cssjs_singles[ $single_id ]['includes_content'] = Util_Environment::textarea_to_array( $single_config['includes_content'] );
}
}
$new_config->set( 'user-experience-remove-cssjs-singles', $new_cssjs_singles );
}
if ( $new_cssjs_includes !== $old_cssjs_includes || $new_cssjs_singles !== $old_cssjs_singles ) {
$minify_enabled = $new_config->get_boolean( 'minify.enabled' );
$pgcache_enabled = $new_config->get_boolean( 'pgcache.enabled' );
if ( $minify_enabled || $pgcache_enabled ) {
$state = Dispatcher::config_state();
if ( $minify_enabled ) {
$state->set( 'minify.show_note.need_flush', true );
}
if ( $pgcache_enabled ) {
$state->set( 'common.show_note.flush_posts_needed', true );
}
$state->save();
}
}
}
return $data;
}
/**
* Gets the enabled status of the extension.
*
* @since 2.5.1
*
* @return bool
*/
public static function is_enabled() {
$config = Dispatcher::config();
$extensions_active = $config->get_array( 'extensions.active' );
return Util_Environment::is_w3tc_pro( $config ) && array_key_exists( 'user-experience-remove-cssjs', $extensions_active );
}
}
$o = new UserExperience_Remove_CssJs_Extension();
$o->run();