1271 lines
34 KiB
PHP
1271 lines
34 KiB
PHP
<?php
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namespace W3TC;
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/**
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* class Minify_Plugin
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*/
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class Minify_Plugin {
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/**
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* Minify reject reason
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*
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* @var string
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*/
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var $minify_reject_reason = '';
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/**
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* Error
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*
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* @var string
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*/
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var $error = '';
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/**
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* Array of replaced styles
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*
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* @var array
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*/
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var $replaced_styles = array();
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/**
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* Array of replaced scripts
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*
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* @var array
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*/
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var $replaced_scripts = array();
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/**
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* Helper object to use
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*
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* @var _W3_MinifyHelpers
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*/
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private $minify_helpers;
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/**
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* Config
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*/
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private $_config = null;
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function __construct() {
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$this->_config = Dispatcher::config();
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}
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/**
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* Runs plugin
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*/
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function run() {
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add_action( 'init', array( $this, 'init' ) );
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add_filter( 'cron_schedules', array( $this, 'cron_schedules' ) );
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add_filter( 'w3tc_admin_bar_menu',
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array( $this, 'w3tc_admin_bar_menu' ) );
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add_filter( 'w3tc_footer_comment', array(
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$this, 'w3tc_footer_comment' ) );
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if ( $this->_config->get_string( 'minify.engine' ) == 'file' ) {
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add_action( 'w3_minify_cleanup', array(
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$this,
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'cleanup'
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) );
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}
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add_filter( 'w3tc_pagecache_set_header',
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array( $this, 'w3tc_pagecache_set_header' ), 20, 2 );
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// usage statistics handling
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add_action( 'w3tc_usage_statistics_of_request', array(
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$this, 'w3tc_usage_statistics_of_request' ), 10, 1 );
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add_filter( 'w3tc_usage_statistics_metrics', array(
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$this, 'w3tc_usage_statistics_metrics' ) );
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/**
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* Start minify
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*/
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if ( $this->can_minify() ) {
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Util_Bus::add_ob_callback( 'minify', array( $this, 'ob_callback' ) );
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}
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}
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public function init() {
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$url = Util_Environment::filename_to_url( W3TC_CACHE_MINIFY_DIR );
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$parsed = parse_url( $url );
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$prefix = '/' . trim( $parsed['path'], '/' ) . '/';
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$request_uri = isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
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if ( substr( $request_uri, 0, strlen( $prefix ) ) == $prefix ) {
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$w3_minify = Dispatcher::component( 'Minify_MinifiedFileRequestHandler' );
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$filename = Util_Environment::remove_query_all( substr( $request_uri, strlen( $prefix ) ) );
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$w3_minify->process( $filename );
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exit();
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}
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if ( !empty( Util_Request::get_string( 'w3tc_minify' ) ) ) {
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$w3_minify = Dispatcher::component( 'Minify_MinifiedFileRequestHandler' );
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$w3_minify->process( Util_Request::get_string( 'w3tc_minify' ) );
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exit();
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}
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}
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/**
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* Does disk cache cleanup
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*
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* @return void
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*/
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function cleanup() {
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$a = Dispatcher::component( 'Minify_Plugin_Admin' );
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$a->cleanup();
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}
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/**
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* Cron schedules filter
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*
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* @param array $schedules
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* @return array
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*/
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function cron_schedules( $schedules ) {
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$gc = $this->_config->get_integer( 'minify.file.gc' );
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return array_merge( $schedules, array(
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'w3_minify_cleanup' => array(
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'interval' => $gc,
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'display' => sprintf( '[W3TC] Minify file GC (every %d seconds)', $gc )
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)
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) );
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}
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/**
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* OB callback
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*
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* @param string $buffer
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* @return string
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*/
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function ob_callback( $buffer ) {
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$enable = Util_Content::is_html( $buffer ) &&
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$this->can_minify2( $buffer );
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$enable = apply_filters( 'w3tc_minify_enable', $enable );
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if ( !$enable )
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return $buffer;
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$this->minify_helpers = new _W3_MinifyHelpers( $this->_config );
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/**
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* Replace script and style tags
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*/
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$js_enable = $this->_config->get_boolean( 'minify.js.enable' );
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$css_enable = $this->_config->get_boolean( 'minify.css.enable' );
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$html_enable = $this->_config->get_boolean( 'minify.html.enable' );
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if ( function_exists( 'is_feed' ) && is_feed() ) {
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$js_enable = false;
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$css_enable = false;
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}
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$js_enable = apply_filters( 'w3tc_minify_js_enable', $js_enable );
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$css_enable = apply_filters( 'w3tc_minify_css_enable', $css_enable );
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$html_enable = apply_filters( 'w3tc_minify_html_enable', $html_enable );
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$head_prepend = '';
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$body_prepend = '';
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$body_append = '';
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$embed_extsrcjs = false;
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$buffer = apply_filters( 'w3tc_minify_before', $buffer );
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// If the minify cache folder is missing minify fails. This will generate the minify folder path if missing.
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$minify_environment = Dispatcher::component( 'Minify_Environment' );
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try {
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$minify_environment->fix_on_wpadmin_request( $this->_config, true );
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} catch ( \Exception $e ) {}
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if ( $this->_config->get_boolean( 'minify.auto' ) ) {
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if ( $js_enable ) {
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$minifier = new Minify_AutoJs( $this->_config,
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$buffer, $this->minify_helpers );
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$buffer = $minifier->execute();
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$this->replaced_scripts =
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$minifier->get_debug_minified_urls();
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}
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if ( $css_enable ) {
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$minifier = new Minify_AutoCss( $this->_config, $buffer,
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$this->minify_helpers );
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$buffer = $minifier->execute();
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}
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$buffer = apply_filters( 'w3tc_minify_processed', $buffer );
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} else {
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if ( $css_enable ) {
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$style = $this->get_style_group( 'include' );
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if ( $style['body'] ) {
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if ( $this->_custom_location_does_not_exist( '/<!-- W3TC-include-css -->/', $buffer, $style['body'] ) )
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$head_prepend .= $style['body'];
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$this->remove_styles_group( $buffer, 'include' );
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}
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if ( $this->_config->getf_boolean( 'minify.css.http2push' ) ) {
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$this->minify_helpers->http2_header_add( $style['url'],
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'style' );
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}
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}
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if ( $js_enable ) {
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$embed_type = $this->_config->get_string( 'minify.js.header.embed_type' );
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$http2push = $this->_config->getf_boolean( 'minify.js.http2push' );
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$script = $this->get_script_group( 'include', $embed_type );
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if ( $script['body'] ) {
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$embed_extsrcjs = $embed_type == 'extsrc' || $embed_type == 'asyncsrc'?true:$embed_extsrcjs;
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if ( $this->_custom_location_does_not_exist( '/<!-- W3TC-include-js-head -->/', $buffer, $script['body'] ) )
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$head_prepend .= $script['body'];
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$this->remove_scripts_group( $buffer, 'include' );
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}
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if ( $http2push ) {
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$this->minify_helpers->http2_header_add( $script['url'],
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'script' );
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}
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$embed_type = $this->_config->get_string( 'minify.js.body.embed_type' );
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$script = $this->get_script_group( 'include-body', $embed_type );
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if ( $script['body'] ) {
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$embed_extsrcjs = $embed_type == 'extsrc' || $embed_type == 'asyncsrc'?true:$embed_extsrcjs;
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if ( $this->_custom_location_does_not_exist( '/<!-- W3TC-include-js-body-start -->/', $buffer, $script['body'] ) )
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$body_prepend .= $script['body'];
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$this->remove_scripts_group( $buffer, 'include-body' );
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}
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if ( $http2push ) {
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$this->minify_helpers->http2_header_add( $script['url'],
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'script' );
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}
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$embed_type = $this->_config->get_string( 'minify.js.footer.embed_type' );
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$script = $this->get_script_group( 'include-footer', $embed_type );
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if ( $script['body'] ) {
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$embed_extsrcjs = $embed_type == 'extsrc' || $embed_type == 'asyncsrc'?true:$embed_extsrcjs;
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if ( $this->_custom_location_does_not_exist( '/<!-- W3TC-include-js-body-end -->/', $buffer, $script['body'] ) )
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$body_append .= $script['body'];
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$this->remove_scripts_group( $buffer, 'include-footer' );
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}
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if ( $http2push ) {
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$this->minify_helpers->http2_header_add( $script['url'],
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'script' );
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}
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}
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}
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if ( $head_prepend != '' ) {
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$buffer = preg_replace( '~<head(\s+[^>]*)*>~Ui',
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'\\0' . $head_prepend, $buffer, 1 );
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}
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if ( $body_prepend != '' ) {
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$buffer = preg_replace( '~<body(\s+[^>]*)*>~Ui',
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'\\0' . $body_prepend, $buffer, 1 );
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}
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if ( $body_append != '' ) {
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$buffer = preg_replace( '~<\\/body>~',
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$body_append . '\\0', $buffer, 1 );
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}
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if ( $embed_extsrcjs ) {
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$script = "
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<script>
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" ."var extsrc=null;
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".'(function(){function j(){if(b&&g){document.write=k;document.writeln=l;var f=document.createElement("span");f.innerHTML=b;g.appendChild(f);b=""}}function d(){j();for(var f=document.getElementsByTagName("script"),c=0;c<f.length;c++){var e=f[c],h=e.getAttribute("asyncsrc");if(h){e.setAttribute("asyncsrc","");var a=document.createElement("script");a.async=!0;a.src=h;document.getElementsByTagName("head")[0].appendChild(a)}if(h=e.getAttribute("extsrc")){e.setAttribute("extsrc","");g=document.createElement("span");e.parentNode.insertBefore(g,e);document.write=function(a){b+=a};document.writeln=function(a){b+=a;b+="\n"};a=document.createElement("script");a.async=!0;a.src=h;/msie/i.test(navigator.userAgent)&&!/opera/i.test(navigator.userAgent)?a.onreadystatechange=function(){("loaded"==this.readyState||"complete"==this.readyState)&&d()}:-1!=navigator.userAgent.indexOf("Firefox")||"onerror"in a?(a.onload=d,a.onerror=d):(a.onload=d,a.onreadystatechange=d);document.getElementsByTagName("head")[0].appendChild(a);return}}j();document.write=k;document.writeln=l;for(c=0;c<extsrc.complete.funcs.length;c++)extsrc.complete.funcs[c]()}function i(){arguments.callee.done||(arguments.callee.done=!0,d())}extsrc={complete:function(b){this.complete.funcs.push(b)}};extsrc.complete.funcs=[];var k=document.write,l=document.writeln,b="",g="";document.addEventListener&&document.addEventListener("DOMContentLoaded",i,!1);if(/WebKit/i.test(navigator.userAgent))var m=setInterval(function(){/loaded|complete/.test(document.readyState)&&(clearInterval(m),i())},10);window.onload=i})();' . "
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</script>
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";
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$buffer = preg_replace( '~<head(\s+[^>]*)*>~Ui',
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'\\0' . $script, $buffer, 1 );
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}
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/**
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* Minify HTML/Feed
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*/
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if ( $html_enable ) {
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try {
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$buffer = $this->minify_html( $buffer );
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} catch ( \Exception $exception ) {
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$this->error = $exception->getMessage();
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}
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}
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return $buffer;
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}
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public function w3tc_admin_bar_menu( $menu_items ) {
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$menu_items['20210.minify'] = array(
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'id' => 'w3tc_flush_minify',
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'parent' => 'w3tc_flush',
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'title' => __( 'Minify', 'w3-total-cache' ),
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'href' => wp_nonce_url( admin_url(
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'admin.php?page=w3tc_dashboard&w3tc_flush_minify' ),
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'w3tc' )
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);
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return $menu_items;
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}
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function w3tc_footer_comment( $strings ) {
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$strings[] = sprintf(
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__( 'Minified using %s%s', 'w3-total-cache' ),
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Cache::engine_name( $this->_config->get_string( 'minify.engine' ) ),
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( $this->minify_reject_reason != ''
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? sprintf( ' (%s)', $this->minify_reject_reason )
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: '' ) );
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if ( $this->_config->get_boolean( 'minify.debug' ) ) {
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$strings[] = '';
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$strings[] = 'Minify debug info:';
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$strings[] = sprintf( "%s%s", str_pad( 'Theme: ', 20 ), $this->get_theme() );
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$strings[] = sprintf( "%s%s", str_pad( 'Template: ', 20 ), $this->get_template() );
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if ( $this->error ) {
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$strings[] = sprintf( "%s%s", str_pad( 'Errors: ', 20 ), $this->error );
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}
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if ( count( $this->replaced_styles ) ) {
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$strings[] = 'Replaced CSS files:';
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foreach ( $this->replaced_styles as $index => $file ) {
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$strings[] = sprintf( "%d. %s", $index + 1, Util_Content::escape_comment( $file ) );
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}
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}
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if ( count( $this->replaced_scripts ) ) {
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$strings[] = 'Replaced JavaScript files:';
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foreach ( $this->replaced_scripts as $index => $file ) {
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$strings[] = sprintf( "%d. %s\r\n", $index + 1, Util_Content::escape_comment( $file ) );
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}
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}
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$strings[] = '';
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}
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return $strings;
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}
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/**
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* Checks to see if pattern exists in source if so replaces it with the provided script
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* and returns false. If pattern does not exists returns true.
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*
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* @param unknown $pattern
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* @param unknown $source
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* @param unknown $script
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* @return bool
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*/
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function _custom_location_does_not_exist( $pattern, &$source, $script ) {
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$count = 0;
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$source = preg_replace( $pattern, $script, $source, 1, $count );
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return $count==0;
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}
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/**
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* Removes style tags from the source
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*
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* @param string $content
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* @param array $files
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* @return void
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*/
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function remove_styles( &$content, $files ) {
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$regexps = array();
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$home_url_regexp = Util_Environment::home_url_regexp();
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$path = '';
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if ( Util_Environment::is_wpmu() && !Util_Environment::is_wpmu_subdomain() )
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$path = ltrim( Util_Environment::home_url_uri(), '/' );
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foreach ( $files as $file ) {
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if ( $path && strpos( $file, $path ) === 0 )
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$file = substr( $file, strlen( $path ) );
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$this->replaced_styles[] = $file;
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if ( Util_Environment::is_url( $file ) && !preg_match( '~' . $home_url_regexp . '~i', $file ) ) {
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// external CSS files
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$regexps[] = Util_Environment::preg_quote( $file );
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} else {
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// local CSS files
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$file = ltrim( $file, '/' );
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if ( home_url() == site_url() && ltrim( Util_Environment::site_url_uri(), '/' ) && strpos( $file, ltrim( Util_Environment::site_url_uri(), '/' ) ) === 0 )
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$file = str_replace( ltrim( Util_Environment::site_url_uri(), '/' ), '', $file );
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$file = ltrim( preg_replace( '~' . $home_url_regexp . '~i', '', $file ), '/\\' );
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$regexps[] = '(' . $home_url_regexp . ')?/?' . Util_Environment::preg_quote( $file );
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}
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}
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foreach ( $regexps as $regexp ) {
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$content = preg_replace( '~<link\s+[^<>]*href=["\']?' . $regexp . '["\']?[^<>]*/?>(.*</link>)?~Uis', '', $content );
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$content = preg_replace( '~@import\s+(url\s*)?\(?["\']?\s*' . $regexp . '\s*["\']?\)?[^;]*;?~is', '', $content );
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}
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$content = preg_replace( '~<style[^<>]*>\s*</style>~', '', $content );
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}
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|
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/**
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* Remove script tags from the source
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*
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* @param string $content
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* @param array $files
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* @return void
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*/
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function remove_scripts( &$content, $files ) {
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$regexps = array();
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$home_url_regexp = Util_Environment::home_url_regexp();
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$path = '';
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if ( Util_Environment::is_wpmu() && !Util_Environment::is_wpmu_subdomain() ) {
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$path = ltrim( Util_Environment::network_home_url_uri(), '/' );
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}
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foreach ( $files as $file ) {
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if ( $path && strpos( $file, $path ) === 0 ) {
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$file = substr( $file, strlen( $path ) );
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}
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$this->replaced_scripts[] = $file;
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if ( Util_Environment::is_url( $file ) && !preg_match( '~' . $home_url_regexp . '~i', $file ) ) {
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// external JS files
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$regexps[] = Util_Environment::preg_quote( $file );
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} else {
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// local JS files
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$file = ltrim( $file, '/' );
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if ( home_url() == site_url() &&
|
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ltrim( Util_Environment::site_url_uri(), '/' ) &&
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strpos( $file, ltrim( Util_Environment::site_url_uri(), '/' ) ) === 0 ) {
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$file = str_replace( ltrim( Util_Environment::site_url_uri(), '/' ), '', $file );
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}
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$file = ltrim( preg_replace( '~' . $home_url_regexp . '~i', '', $file ), '/\\' );
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$regexps[] = '(' . $home_url_regexp . ')?/?' . Util_Environment::preg_quote( $file );
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}
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}
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foreach ( $regexps as $regexp ) {
|
|
$content = preg_replace( '~<script\s+[^<>]*src=["\']?' . $regexp . '["\']?[^<>]*>\s*</script>~Uis', '', $content );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Removes style tag from the source for group
|
|
*
|
|
* @param string $content
|
|
* @param string $location
|
|
* @return void
|
|
*/
|
|
function remove_styles_group( &$content, $location ) {
|
|
$theme = $this->get_theme();
|
|
$template = $this->get_template();
|
|
|
|
$files = array();
|
|
$groups = $this->_config->get_array( 'minify.css.groups' );
|
|
|
|
if ( isset( $groups[$theme]['default'][$location]['files'] ) ) {
|
|
$files = (array) $groups[$theme]['default'][$location]['files'];
|
|
}
|
|
|
|
if ( $template != 'default' && isset( $groups[$theme][$template][$location]['files'] ) ) {
|
|
$files = array_merge( $files, (array) $groups[$theme][$template][$location]['files'] );
|
|
}
|
|
|
|
$this->remove_styles( $content, $files );
|
|
}
|
|
|
|
/**
|
|
* Removes script tags from the source for group
|
|
*
|
|
* @param string $content
|
|
* @param string $location
|
|
* @return void
|
|
*/
|
|
function remove_scripts_group( &$content, $location ) {
|
|
$theme = $this->get_theme();
|
|
$template = $this->get_template();
|
|
$files = array();
|
|
$groups = $this->_config->get_array( 'minify.js.groups' );
|
|
|
|
if ( isset( $groups[$theme]['default'][$location]['files'] ) ) {
|
|
$files = (array) $groups[$theme]['default'][$location]['files'];
|
|
}
|
|
|
|
if ( $template != 'default' && isset( $groups[$theme][$template][$location]['files'] ) ) {
|
|
$files = array_merge( $files, (array) $groups[$theme][$template][$location]['files'] );
|
|
}
|
|
|
|
$this->remove_scripts( $content, $files );
|
|
}
|
|
|
|
/**
|
|
* Minifies HTML
|
|
*
|
|
* @param string $html
|
|
* @return string
|
|
*/
|
|
function minify_html( $html ) {
|
|
$w3_minifier = Dispatcher::component( 'Minify_ContentMinifier' );
|
|
|
|
$ignored_comments = $this->_config->get_array( 'minify.html.comments.ignore' );
|
|
|
|
if ( count( $ignored_comments ) ) {
|
|
$ignored_comments_preserver = new \W3TCL\Minify\Minify_IgnoredCommentPreserver();
|
|
$ignored_comments_preserver->setIgnoredComments( $ignored_comments );
|
|
|
|
$html = $ignored_comments_preserver->search( $html );
|
|
}
|
|
|
|
if ( $this->_config->get_boolean( 'minify.html.inline.js' ) ) {
|
|
$js_engine = $this->_config->get_string( 'minify.js.engine' );
|
|
|
|
if ( !$w3_minifier->exists( $js_engine ) || !$w3_minifier->available( $js_engine ) ) {
|
|
$js_engine = 'js';
|
|
}
|
|
|
|
$js_minifier = $w3_minifier->get_minifier( $js_engine );
|
|
$js_options = $w3_minifier->get_options( $js_engine );
|
|
|
|
$w3_minifier->init( $js_engine );
|
|
|
|
$html = \W3TCL\Minify\Minify_Inline_JavaScript::minify( $html, $js_minifier, $js_options );
|
|
}
|
|
|
|
if ( $this->_config->get_boolean( 'minify.html.inline.css' ) ) {
|
|
$css_engine = $this->_config->get_string( 'minify.css.engine' );
|
|
|
|
if ( !$w3_minifier->exists( $css_engine ) || !$w3_minifier->available( $css_engine ) ) {
|
|
$css_engine = 'css';
|
|
}
|
|
|
|
$css_minifier = $w3_minifier->get_minifier( $css_engine );
|
|
$css_options = $w3_minifier->get_options( $css_engine );
|
|
|
|
$w3_minifier->init( $css_engine );
|
|
|
|
$html = \W3TCL\Minify\Minify_Inline_CSS::minify( $html, $css_minifier, $css_options );
|
|
}
|
|
|
|
$engine = $this->_config->get_string( 'minify.html.engine' );
|
|
|
|
if ( !$w3_minifier->exists( $engine ) || !$w3_minifier->available( $engine ) ) {
|
|
$engine = 'html';
|
|
}
|
|
|
|
if ( function_exists( 'is_feed' ) && is_feed() ) {
|
|
$engine .= 'xml';
|
|
}
|
|
|
|
$minifier = $w3_minifier->get_minifier( $engine );
|
|
$options = $w3_minifier->get_options( $engine );
|
|
|
|
$w3_minifier->init( $engine );
|
|
|
|
$html = call_user_func( $minifier, $html, $options );
|
|
|
|
if ( isset( $ignored_comments_preserver ) ) {
|
|
$html = $ignored_comments_preserver->replace( $html );
|
|
}
|
|
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* Returns current theme
|
|
*
|
|
* @return string
|
|
*/
|
|
function get_theme() {
|
|
static $theme = null;
|
|
|
|
if ( $theme === null ) {
|
|
$theme = Util_Theme::get_theme_key( get_theme_root(), get_template(), get_stylesheet() );
|
|
}
|
|
|
|
return $theme;
|
|
}
|
|
|
|
/**
|
|
* Returns current template
|
|
*
|
|
* @return string
|
|
*/
|
|
function get_template() {
|
|
static $template = null;
|
|
|
|
if ( $template === null ) {
|
|
$template_file = 'index.php';
|
|
switch ( true ) {
|
|
case ( is_404() && ( $template_file = get_404_template() ) ):
|
|
case ( is_search() && ( $template_file = get_search_template() ) ):
|
|
case ( is_tax() && ( $template_file = get_taxonomy_template() ) ):
|
|
case ( is_front_page() && function_exists( 'get_front_page_template' ) && $template_file = get_front_page_template() ):
|
|
case ( is_home() && ( $template_file = get_home_template() ) ):
|
|
case ( is_attachment() && ( $template_file = get_attachment_template() ) ):
|
|
case ( is_single() && ( $template_file = get_single_template() ) ):
|
|
case ( is_page() && ( $template_file = get_page_template() ) ):
|
|
case ( is_category() && ( $template_file = get_category_template() ) ):
|
|
case ( is_tag() && ( $template_file = get_tag_template() ) ):
|
|
case ( is_author() && ( $template_file = get_author_template() ) ):
|
|
case ( is_date() && ( $template_file = get_date_template() ) ):
|
|
case ( is_archive() && ( $template_file = get_archive_template() ) ):
|
|
case ( is_paged() && ( $template_file = get_paged_template() ) ):
|
|
break;
|
|
|
|
default:
|
|
if ( function_exists( 'get_index_template' ) ) {
|
|
$template_file = get_index_template();
|
|
} else {
|
|
$template_file = 'index.php';
|
|
}
|
|
break;
|
|
}
|
|
|
|
$template = basename( $template_file, '.php' );
|
|
}
|
|
|
|
return $template;
|
|
}
|
|
|
|
/**
|
|
* Returns style tag
|
|
*
|
|
* @param string $url
|
|
* @param boolean $import
|
|
* @param boolean $use_style
|
|
* @return string
|
|
*/
|
|
function get_style( $url, $import = false, $use_style = true ) {
|
|
if ( $import && $use_style ) {
|
|
return "<style media=\"all\">@import url(\"" . $url . "\");</style>\r\n";
|
|
} elseif ( $import && !$use_style ) {
|
|
return "@import url(\"" . $url . "\");\r\n";
|
|
}else {
|
|
return "<link rel=\"stylesheet\" href=\"" . str_replace( '&', '&', $url ) . "\" media=\"all\" />\r\n";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns style tag for style group
|
|
*
|
|
* @param string $location
|
|
* @return array
|
|
*/
|
|
function get_style_group( $location ) {
|
|
$style = false;
|
|
$type = 'css';
|
|
$groups = $this->_config->get_array( 'minify.css.groups' );
|
|
$theme = $this->get_theme();
|
|
$template = $this->get_template();
|
|
|
|
if ( $template != 'default' && empty( $groups[$theme][$template][$location]['files'] ) ) {
|
|
$template = 'default';
|
|
}
|
|
|
|
$return = array(
|
|
'url' => null,
|
|
'body' => ''
|
|
);
|
|
|
|
if ( !empty( $groups[$theme][$template][$location]['files'] ) ) {
|
|
if ( $this->_config->get_boolean( 'minify.css.embed' ) ) {
|
|
$minify = Dispatcher::component( 'Minify_MinifiedFileRequestHandler' );
|
|
$minify_filename = $this->get_minify_manual_filename(
|
|
$theme, $template, $location, $type );
|
|
|
|
$m = $minify->process( $minify_filename, true );
|
|
if ( isset( $m['content'] ) )
|
|
$style = $m['content'];
|
|
else
|
|
$style = 'not set';
|
|
|
|
$return['body'] = "<style media=\"all\">$style</style>\r\n";
|
|
} else {
|
|
$return['url'] = $this->get_minify_manual_url( $theme, $template, $location, $type );
|
|
|
|
if ( $return['url'] ) {
|
|
$import = ( isset( $groups[$theme][$template][$location]['import'] ) ? (boolean) $groups[$theme][$template][$location]['import'] : false );
|
|
|
|
$return['body'] = $this->get_style( $return['url'], $import );
|
|
}
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Returns script tag for script group
|
|
*
|
|
* @param string $location
|
|
* @param string $embed_type
|
|
* @return array
|
|
*/
|
|
function get_script_group( $location, $embed_type = 'blocking' ) {
|
|
$script = false;
|
|
$fileType = 'js';
|
|
$theme = $this->get_theme();
|
|
$template = $this->get_template();
|
|
$groups = $this->_config->get_array( 'minify.js.groups' );
|
|
|
|
if ( $template != 'default' && empty( $groups[$theme][$template][$location]['files'] ) ) {
|
|
$template = 'default';
|
|
}
|
|
|
|
$return = array(
|
|
'url' => null,
|
|
'body' => ''
|
|
);
|
|
|
|
if ( !empty( $groups[$theme][$template][$location]['files'] ) ) {
|
|
$return['url'] = $this->get_minify_manual_url( $theme, $template, $location, $fileType );
|
|
|
|
if ( $return['url'] ) {
|
|
$return['body'] = $this->minify_helpers->generate_script_tag(
|
|
$return['url'], $embed_type );
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Returns style tag for custom files
|
|
*
|
|
* @return string
|
|
*/
|
|
function get_style_custom( $files, $embed_to_html = false ) {
|
|
return $this->minify_helpers->generate_css_style_tag(
|
|
$files, $embed_to_html );
|
|
}
|
|
|
|
/**
|
|
* Generates filename for minify manual resource
|
|
*/
|
|
function get_minify_manual_filename( $theme, $template, $location, $type ) {
|
|
$minify = Dispatcher::component( 'Minify_MinifiedFileRequestHandler' );
|
|
$id = $minify->get_id_group( $theme, $template, $location, $type );
|
|
if ( !$id )
|
|
return false;
|
|
|
|
return $theme . '.' . $template . '.' . $location . '.'. $id .
|
|
'.' . $type;
|
|
}
|
|
|
|
/**
|
|
* Generates URL for minify manual resource
|
|
*/
|
|
function get_minify_manual_url( $theme, $template, $location, $type ) {
|
|
return Minify_Core::minified_url( $this->get_minify_manual_filename(
|
|
$theme, $template, $location, $type ) );
|
|
}
|
|
|
|
/**
|
|
* Returns array of minify URLs
|
|
*
|
|
* @return array
|
|
*/
|
|
function get_urls() {
|
|
$files = array();
|
|
|
|
$js_groups = $this->_config->get_array( 'minify.js.groups' );
|
|
$css_groups = $this->_config->get_array( 'minify.css.groups' );
|
|
|
|
foreach ( $js_groups as $js_theme => $js_templates ) {
|
|
foreach ( $js_templates as $js_template => $js_locations ) {
|
|
foreach ( (array) $js_locations as $js_location => $js_config ) {
|
|
if ( !empty( $js_config['files'] ) ) {
|
|
$files[] = $this->get_minify_manual_url( $js_theme, $js_template, $js_location, 'js' );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach ( $css_groups as $css_theme => $css_templates ) {
|
|
foreach ( $css_templates as $css_template => $css_locations ) {
|
|
foreach ( (array) $css_locations as $css_location => $css_config ) {
|
|
if ( !empty( $css_config['files'] ) ) {
|
|
$files[] = $this->get_minify_manual_url( $css_theme, $css_template, $css_location, 'css' );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* Check if we can do minify logic
|
|
*
|
|
* @return boolean
|
|
*/
|
|
function can_minify() {
|
|
/**
|
|
* Skip if doint AJAX
|
|
*/
|
|
if ( defined( 'DOING_AJAX' ) ) {
|
|
$this->minify_reject_reason = 'Doing AJAX';
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Skip if doing cron
|
|
*/
|
|
if ( defined( 'DOING_CRON' ) ) {
|
|
$this->minify_reject_reason = 'Doing cron';
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Skip if APP request
|
|
*/
|
|
if ( defined( 'APP_REQUEST' ) ) {
|
|
$this->minify_reject_reason = 'Application request';
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Skip if XMLRPC request
|
|
*/
|
|
if ( defined( 'XMLRPC_REQUEST' ) ) {
|
|
$this->minify_reject_reason = 'XMLRPC request';
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Skip if Admin
|
|
*/
|
|
if ( defined( 'WP_ADMIN' ) ) {
|
|
$this->minify_reject_reason = 'wp-admin';
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check for WPMU's and WP's 3.0 short init
|
|
*/
|
|
if ( defined( 'SHORTINIT' ) && SHORTINIT ) {
|
|
$this->minify_reject_reason = 'Short init';
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check User agent
|
|
*/
|
|
if ( !$this->check_ua() ) {
|
|
$this->minify_reject_reason = 'User agent is rejected';
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check request URI
|
|
*/
|
|
if ( !$this->check_request_uri() ) {
|
|
$this->minify_reject_reason = 'Request URI is rejected';
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Skip if user is logged in
|
|
*/
|
|
if ( $this->_config->get_boolean( 'minify.reject.logged' ) && !$this->check_logged_in() ) {
|
|
$this->minify_reject_reason = 'User is logged in';
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns true if we can minify
|
|
*
|
|
* @param string $buffer
|
|
* @return string
|
|
*/
|
|
function can_minify2( $buffer ) {
|
|
/**
|
|
* Check for DONOTMINIFY constant
|
|
*/
|
|
if ( defined( 'DONOTMINIFY' ) && DONOTMINIFY ) {
|
|
$this->minify_reject_reason = 'DONOTMINIFY constant is defined';
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check feed minify
|
|
*/
|
|
if ( $this->_config->get_boolean( 'minify.html.reject.feed' ) && function_exists( 'is_feed' ) && is_feed() ) {
|
|
$this->minify_reject_reason = 'Feed is rejected';
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Checks User Agent
|
|
*
|
|
* @return boolean
|
|
*/
|
|
function check_ua() {
|
|
$uas = array_merge( $this->_config->get_array( 'minify.reject.ua' ), array(
|
|
W3TC_POWERED_BY
|
|
) );
|
|
|
|
foreach ( $uas as $ua ) {
|
|
if ( !empty( $ua ) ) {
|
|
if ( stristr( isset( $_SERVER['HTTP_USER_AGENT'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) : '', $ua ) !== false ) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check if user is logged in
|
|
*
|
|
* @return boolean
|
|
*/
|
|
function check_logged_in() {
|
|
foreach ( array_keys( $_COOKIE ) as $cookie_name ) {
|
|
if ( strpos( $cookie_name, 'wordpress_logged_in' ) === 0 )
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Checks request URI
|
|
*
|
|
* @return boolean
|
|
*/
|
|
function check_request_uri() {
|
|
$auto_reject_uri = array(
|
|
'wp-login',
|
|
'wp-register'
|
|
);
|
|
|
|
foreach ( $auto_reject_uri as $uri ) {
|
|
if ( strstr( isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '', $uri ) !== false ) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$reject_uri = $this->_config->get_array( 'minify.reject.uri' );
|
|
$reject_uri = array_map( array( '\W3TC\Util_Environment', 'parse_path' ), $reject_uri );
|
|
|
|
foreach ( $reject_uri as $expr ) {
|
|
$expr = trim( $expr );
|
|
$expr = str_replace( '~', '\~', $expr );
|
|
|
|
if ( '' !== $expr && preg_match( '~' . $expr . '~i', isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '' ) ) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if ( Util_Request::get_string( 'wp_customize' ) )
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
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public function w3tc_usage_statistics_of_request( $storage ) {
|
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$o = Dispatcher::component( 'Minify_MinifiedFileRequestHandler' );
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$o->w3tc_usage_statistics_of_request( $storage );
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}
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public function w3tc_usage_statistics_metrics( $metrics ) {
|
|
return array_merge( $metrics, array(
|
|
'minify_requests_total',
|
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'minify_original_length_css', 'minify_output_length_css',
|
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'minify_original_length_js', 'minify_output_length_js', ) );
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}
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public function w3tc_pagecache_set_header( $header, $header_original ) {
|
|
if ( $header_original['n'] == 'Link' &&
|
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false !== strpos( $header_original['v'], 'rel=preload' ) ) {
|
|
// store preload Link headers in cache
|
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$new = $header_original;
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$new['files_match'] = '\\.html[_a-z]*$';
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return $new;
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}
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return $header;
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}
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}
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class _W3_MinifyHelpers {
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/**
|
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* Config
|
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*/
|
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private $config;
|
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private $debug = false;
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* @param W3_COnfig $config
|
|
*/
|
|
function __construct( $config ) {
|
|
$this->config = $config;
|
|
$this->debug = $config->get_boolean( 'minify.debug' );
|
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}
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|
|
/**
|
|
* Formats custom URL
|
|
*
|
|
* @param array $files
|
|
* @param string $type
|
|
* @return array
|
|
*/
|
|
function get_minify_url_for_files( $files, $type ) {
|
|
$minify_filename =
|
|
Minify_Core::urls_for_minification_to_minify_filename(
|
|
$files, $type );
|
|
if ( is_null( $minify_filename ) )
|
|
return null;
|
|
|
|
$url = Minify_Core::minified_url( $minify_filename );
|
|
$url = Util_Environment::url_to_maybe_https( $url );
|
|
|
|
$url = apply_filters( 'w3tc_minify_url_for_files', $url, $files, $type );
|
|
|
|
return $url;
|
|
}
|
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|
|
/**
|
|
* Returns minified content
|
|
*
|
|
* @param array $files
|
|
* @param string $type
|
|
* @return array
|
|
*/
|
|
function get_minified_content_for_files( $files, $type ) {
|
|
$minify_filename =
|
|
Minify_Core::urls_for_minification_to_minify_filename(
|
|
$files, $type );
|
|
if ( is_null( $minify_filename ) )
|
|
return null;
|
|
$minify = Dispatcher::component( 'Minify_MinifiedFileRequestHandler' );
|
|
|
|
$m = $minify->process( $minify_filename, true );
|
|
if ( !isset( $m['content'] ) )
|
|
return null;
|
|
if ( empty( $m['content'] ) )
|
|
return null;
|
|
|
|
$style = $m['content'];
|
|
return "<style media=\"all\">$style</style>\r\n";
|
|
}
|
|
|
|
/**
|
|
* Prints script tag
|
|
*
|
|
* @param string $url
|
|
* @param string $embed_type
|
|
* @return string
|
|
*/
|
|
function generate_script_tag( $url, $embed_type = 'blocking' ) {
|
|
static $non_blocking_function = false;
|
|
|
|
$rocket_loader_ignore = "";
|
|
if( $this->config->get_boolean( array( 'cloudflare', 'minify_js_rl_exclude' ) ) ){
|
|
$rocket_loader_ignore = 'data-cfasync="false"';
|
|
}
|
|
|
|
if ( $embed_type == 'blocking' ) {
|
|
$script = '<script ' . $rocket_loader_ignore . ' src="' .
|
|
str_replace( '&', '&', $url ) . '"></script>';
|
|
} else {
|
|
$script = '';
|
|
|
|
if ( $embed_type == 'nb-js' ) {
|
|
if ( !$non_blocking_function ) {
|
|
$non_blocking_function = true;
|
|
$script = "<script>function w3tc_load_js(u){var d=document,p=d.getElementsByTagName('HEAD')[0],c=d.createElement('script');c.src=u;p.appendChild(c);}</script>";
|
|
}
|
|
|
|
$script .= "<script>w3tc_load_js('" .
|
|
$url . "');</script>";
|
|
|
|
} elseif ( $embed_type == 'nb-async' ) {
|
|
$script = '<script ' . $rocket_loader_ignore . ' async src="' .
|
|
str_replace( '&', '&', $url ) . '"></script>';
|
|
} elseif ( $embed_type == 'nb-defer' ) {
|
|
$script = '<script ' . $rocket_loader_ignore . ' defer src="' .
|
|
str_replace( '&', '&', $url ) . '"></script>';
|
|
} elseif ( $embed_type == 'extsrc' ) {
|
|
$script = '<script ' . $rocket_loader_ignore . ' extsrc="' .
|
|
str_replace( '&', '&', $url ) . '"></script>';
|
|
} elseif ( $embed_type == 'asyncsrc' ) {
|
|
$script = '<script ' . $rocket_loader_ignore . ' asyncsrc="' .
|
|
str_replace( '&', '&', $url ) . '"></script>';
|
|
} else {
|
|
$script = '<script ' . $rocket_loader_ignore . ' src="' .
|
|
str_replace( '&', '&', $url ) . '"></script>';
|
|
}
|
|
}
|
|
|
|
return $script . "\r\n";
|
|
}
|
|
|
|
/**
|
|
* URL file filter
|
|
*
|
|
* @param string $file
|
|
* @return bool
|
|
*/
|
|
public function is_file_for_minification( $url, $file ) {
|
|
static $external;
|
|
static $external_regexp;
|
|
if ( !isset( $external ) ) {
|
|
$external = $this->config->get_array( 'minify.cache.files' );
|
|
$external_regexp = $this->config->get_boolean( 'minify.cache.files_regexp' );
|
|
}
|
|
|
|
foreach ( $external as $item ) {
|
|
if ( empty( $item ) )
|
|
continue;
|
|
|
|
if ( $external_regexp ) {
|
|
$item = str_replace( '~', '\~', $item );
|
|
if ( ! preg_match( '~' . $item . '~', $url ) )
|
|
continue;
|
|
} else {
|
|
if ( ! preg_match( '~^' . Util_Environment::get_url_regexp( $item ) . '~', $url ) )
|
|
continue;
|
|
}
|
|
|
|
if ( $this->debug ) {
|
|
Minify_Core::log(
|
|
'is_file_for_minification: whilelisted ' . $url . ' by ' . $item );
|
|
}
|
|
|
|
return 'url';
|
|
}
|
|
|
|
|
|
if ( is_null( $file ) ) {
|
|
if ( $this->debug ) {
|
|
Minify_Core::log(
|
|
'is_file_for_minification: external not whitelisted url ' . $url );
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
$file_normalized = Util_Environment::remove_query_all( $file );
|
|
$ext = strrchr( $file_normalized, '.' );
|
|
|
|
if ( $ext != '.js' && $ext != '.css' ) {
|
|
if ( $this->debug ) {
|
|
Minify_Core::log(
|
|
'is_file_for_minification: unknown extension ' . $ext .
|
|
' for ' . $file );
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
$path = Util_Environment::docroot_to_full_filename( $file );
|
|
|
|
if ( !file_exists( $path ) ) {
|
|
if ( $this->debug ) {
|
|
Minify_Core::log(
|
|
'is_file_for_minification: file doesnt exists ' . $path );
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
if ( $this->debug ) {
|
|
Minify_Core::log(
|
|
'is_file_for_minification: true for file ' . $file .
|
|
' path ' . $path );
|
|
}
|
|
|
|
return 'file';
|
|
}
|
|
|
|
/**
|
|
* Sends HTTP/2 push header
|
|
*/
|
|
public function http2_header_add( $url, $as ) {
|
|
if ( empty( $url ) )
|
|
return;
|
|
|
|
// Cloudflare needs URI without host
|
|
$uri = Util_Environment::url_to_uri( $url );
|
|
|
|
// priorities attached:
|
|
// 3000 - cdn
|
|
// 4000 - browsercache
|
|
$data = apply_filters( 'w3tc_minify_http2_preload_url', array(
|
|
'result_link' => $uri,
|
|
'original_url' => $url
|
|
) );
|
|
|
|
header( 'Link: <' . $data['result_link'] . '>; rel=preload; as=' . $as, false );
|
|
}
|
|
|
|
|
|
|
|
function generate_css_style_tag( $files, $embed_to_html ) {
|
|
$return = array(
|
|
'url' => null,
|
|
'body' => ''
|
|
);
|
|
|
|
if ( count( $files ) ) {
|
|
if ( $embed_to_html ) {
|
|
$body = $this->get_minified_content_for_files(
|
|
$files, 'css' );
|
|
if ( !is_null( $body ) ) {
|
|
$return['body'] = $body;
|
|
}
|
|
}
|
|
|
|
if ( empty( $return['body'] ) ) {
|
|
$return['url'] = $this->get_minify_url_for_files(
|
|
$files, 'css' );
|
|
if ( !is_null( $return['url'] ) ) {
|
|
$return['body'] =
|
|
"<link rel=\"stylesheet\" href=\"" .
|
|
str_replace( '&', '&', $return['url'] ) .
|
|
"\" media=\"all\" />\r\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
}
|