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<?php
defined( 'ABSPATH' ) or die( 'Cheatin’ uh?' );
/**
* Wrapper for get_rocket_browser_cache_busting except when minification is active.
*
* @since 2.9
* @author Remy Perona
*
* @param string $src CSS/JS file URL.
* @return string updated CSS/JS file URL.
*/
function rocket_browser_cache_busting( $src ) {
$current_filter = current_filter();
if ( 'style_loader_src' === $current_filter && get_rocket_option( 'minify_css' ) && ( ! defined( 'DONOTMINIFYCSS' ) || ! DONOTMINIFYCSS ) && ! is_rocket_post_excluded_option( 'minify_css' ) ) {
return $src;
}
if ( 'script_loader_src' === $current_filter && get_rocket_option( 'minify_js' ) && ( ! defined( 'DONOTMINIFYJS' ) || ! DONOTMINIFYJS ) && ! is_rocket_post_excluded_option( 'minify_js' ) ) {
return $src;
}
return get_rocket_browser_cache_busting( $src, $current_filter );
}
add_filter( 'style_loader_src', 'rocket_browser_cache_busting', PHP_INT_MAX );
add_filter( 'script_loader_src', 'rocket_browser_cache_busting', PHP_INT_MAX );
/**
* Create a cache busting file with the version in the filename
*
* @since 2.9
* @author Remy Perona
*
* @param string $src CSS/JS file URL.
* @param string $current_filter Current WordPress filter.
* @return string updated CSS/JS file URL
*/
function get_rocket_browser_cache_busting( $src, $current_filter = '' ) {
global $pagenow;
if ( ! get_rocket_option( 'remove_query_strings' ) ) {
return $src;
}
if ( is_user_logged_in() && ! get_rocket_option( 'cache_logged_user', 0 ) ) {
return $src;
}
if ( 'wp-login.php' === $pagenow ) {
return $src;
}
if ( false === strpos( $src, '.css' ) && false === strpos( $src, '.js' ) ) {
return $src;
}
if ( false !== strpos( $src, 'ver=' . $GLOBALS['wp_version'] ) ) {
$src = rtrim( str_replace( array( 'ver=' . $GLOBALS['wp_version'], '?&', '&&' ), array( '', '?', '&' ), $src ), '?&' );
}
/**
* Filters files to exclude from cache busting
*
* @since 2.9.3
* @author Remy Perona
*
* @param array $excluded_files An array of filepath to exclude.
*/
$excluded_files = apply_filters( 'rocket_exclude_cache_busting', array() );
$excluded_files = array_flip( $excluded_files );
if ( isset( $excluded_files[ rocket_clean_exclude_file( $src ) ] ) ) {
return $src;
}
if ( empty( $current_filter ) ) {
$current_filter = current_filter();
}
if ( 'script_loader_src' === $current_filter ) {
$deferred_js_files = get_rocket_deferred_js_files();
if ( (bool) $deferred_js_files ) {
$deferred_js_files = array_flip( $deferred_js_files );
$clean_src = strtok( $src, '?' );
if ( isset( $deferred_js_files[ $clean_src ] ) ) {
return $src;
}
}
}
$full_src = ( substr( $src, 0, 2 ) === '//' ) ? rocket_add_url_protocol( $src ) : $src;
switch ( $current_filter ) {
case 'script_loader_src':
$extension = 'js';
break;
case 'style_loader_src':
$extension = 'css';
break;
}
$hosts = get_rocket_cnames_host( array( 'all', 'css_and_js', $extension ) );
$hosts['home'] = parse_url( home_url(), PHP_URL_HOST );
$hosts_index = array_flip( $hosts );
list( $file_host, $relative_src_path, $scheme, $query ) = get_rocket_parse_url( $full_src );
if ( '' === $file_host ) {
$full_src = home_url() . $src;
}
if ( false !== strpos( $full_src, '://' ) && ! isset( $hosts_index[ $file_host ] ) ) {
return $src;
}
if ( empty( $query ) ) {
return $src;
}
if ( isset( $hosts_index[ $file_host ] ) && 'home' !== $hosts_index[ $file_host ] ) {
$site_url = trailingslashit( rocket_add_url_protocol( $file_host ) );
} else {
$site_url = trailingslashit( rocket_add_url_protocol( site_url() ) );
}
$abspath = wp_normalize_path( ABSPATH );
$relative_src_path = ltrim( $relative_src_path . '?' . $query, '/' );
$full_src_path = dirname( str_replace( $site_url, $abspath, $full_src ) );
$cache_busting_filename = preg_replace( '/\.(js|css)\?(?:timestamp|ver)=([^&]+)(?:.*)/', '-$2.$1', $relative_src_path );
if ( $cache_busting_filename === $relative_src_path ) {
return $src;
}
/*
* Filters the cache busting filename
*
* @since 2.9
* @author Remy Perona
*
* @param string $filename filename for the cache busting file
*/
$cache_busting_filename = apply_filters( 'rocket_cache_busting_filename', $cache_busting_filename );
$cache_busting_paths = rocket_get_cache_busting_paths( $cache_busting_filename, $extension );
if ( file_exists( $cache_busting_paths['filepath'] ) && is_readable( $cache_busting_paths['filepath'] ) ) {
return $cache_busting_paths['url'];
}
if ( rocket_fetch_and_cache_busting( $full_src, $cache_busting_paths, $full_src_path, $current_filter ) ) {
return $cache_busting_paths['url'];
} else {
return $src;
}
}
/**
* Create a static file for dynamically generated CSS/JS from PHP
*
* @since 2.9
* @author Remy Perona
*
* @param string $src dynamic CSS/JS file URL.
* @return string URL of the generated static file
*/
function rocket_cache_dynamic_resource( $src ) {
global $pagenow;
if ( is_user_logged_in() && ! get_rocket_option( 'cache_logged_user' ) ) {
return $src;
}
if ( 'wp-login.php' == $pagenow ) {
return $src;
}
if ( false === strpos( $src, '.php' ) ) {
return $src;
}
/**
* Filters files to exclude from static dynamic resources
*
* @since 2.9.3
* @author Remy Perona
*
* @param array $excluded_files An array of filepath to exclude.
*/
$excluded_files = apply_filters( 'rocket_exclude_static_dynamic_resources', array() );
$excluded_files[] = '/wp-admin/admin-ajax.php';
$excluded_files = array_flip( $excluded_files );
if ( isset( $excluded_files[ rocket_clean_exclude_file( $src ) ] ) ) {
return $src;
}
$full_src = ( substr( $src, 0, 2 ) === '//' ) ? rocket_add_url_protocol( $src ) : $src;
$current_filter = current_filter();
switch ( $current_filter ) {
case 'script_loader_src':
$extension = '.js';
$minify_key = get_rocket_option( 'minify_js_key' );
break;
case 'style_loader_src':
$extension = '.css';
$minify_key = get_rocket_option( 'minify_css_key' );
break;
}
$hosts = get_rocket_cnames_host( array( 'all', 'css_and_js', $extension ) );
$hosts[] = parse_url( home_url(), PHP_URL_HOST );
$hosts_index = array_flip( $hosts );
list( $file_host, $relative_src_path, $scheme, $query ) = get_rocket_parse_url( $full_src );
if ( '' === $file_host ) {
$full_src = home_url() . $src;
}
if ( strpos( $full_src, '://' ) !== false && ! isset( $hosts_index[ $file_host ] ) ) {
return $src;
}
$abspath = wp_normalize_path( ABSPATH );
$site_url = trailingslashit( set_url_scheme( site_url() ) );
$relative_src_path = ltrim( $relative_src_path . '?' . $query, '/' );
$full_src_path = dirname( str_replace( $site_url, $abspath, $full_src ) );
/*
* Filters the dynamic resource cache filename
*
* @since 2.9
* @author Remy Perona
*
* @param string $filename filename for the cache file
*/
$cache_dynamic_resource_filename = apply_filters( 'rocket_dynamic_resource_cache_filename', preg_replace( '/\.(php)$/', '-' . $minify_key . $extension, strtok( $relative_src_path, '?' ) ) );
$cache_busting_paths = rocket_get_cache_busting_paths( $cache_dynamic_resource_filename, $extension );
if ( file_exists( $cache_busting_paths['filepath'] ) && is_readable( $cache_busting_paths['filepath'] ) ) {
return $cache_busting_paths['url'];
}
if ( rocket_fetch_and_cache_busting( $full_src, $cache_busting_paths, $full_src_path, $current_filter ) ) {
return $cache_busting_paths['url'];
} else {
return $src;
}
}
add_filter( 'style_loader_src', 'rocket_cache_dynamic_resource', 16 );
add_filter( 'script_loader_src', 'rocket_cache_dynamic_resource', 16 );