function get_rocket_cdn_url($url, $zone = array('all'))
{
$cnames = get_rocket_cdn_cnames($zone);
$wp_content_dirname = ltrim(str_replace(home_url(), '', WP_CONTENT_URL), '/') . '/';
if (defined('DONOTCDN') && DONOTCDN || (int) get_rocket_option('cdn') == 0 || empty($cnames) || !is_rocket_cdn_on_ssl() || is_rocket_post_excluded_option('cdn')) {
return $url;
}
list($host, $path, $scheme, $query) = get_rocket_parse_url($url);
$query = !empty($query) ? '?' . $query : '';
// Exclude rejected & external files from CDN
$rejected_files = get_rocket_cdn_reject_files();
if (!empty($rejected_files) && preg_match('#(' . $rejected_files . ')#', $path) || !empty($scheme) && $host != parse_url(home_url(), PHP_URL_HOST)) {
return $url;
}
if (empty($scheme)) {
// Check if the URL is external
if (strpos($path, $home) === false && !preg_match('#(' . $wp_content_dirname . '|wp-includes)#', $path)) {
return $url;
} else {
$path = str_replace($home, '', ltrim($path, '//'));
}
}
$url = rtrim($cnames[abs(crc32($path)) % count($cnames)], '/') . '/' . ltrim($path, '/') . $query;
$url = rocket_add_url_protocol($url);
return $url;
}
function __rocket_insert_minify_js_in_footer()
{
global $pagenow;
if (get_rocket_option('minify_js') && !in_array($pagenow, array('wp-login.php', 'wp-register.php')) && (!defined('DONOTMINIFYJS') || !DONOTMINIFYJS) && (!defined('DONOTCACHEPAGE') || !DONOTCACHEPAGE) && !is_rocket_post_excluded_option('minify_js') && !is_404()) {
// Don't apply for logged users if the option is turned off.
if (is_user_logged_in() && !get_rocket_option('cache_logged_user')) {
return;
}
/** This filter is documented in inc/front/process.php */
$rocket_cache_search = apply_filters('rocket_cache_search', false);
// Don't apply on search page
if (is_search() && !$rocket_cache_search) {
return;
}
// Don't apply on excluded pages.
if (in_array($_SERVER['REQUEST_URI'], get_rocket_option('cache_reject_uri', array()))) {
return;
}
global $rocket_enqueue_js_in_footer;
$home_host = parse_url(home_url(), PHP_URL_HOST);
$files = get_rocket_minify_js_in_footer();
$ordered_files = array();
// Get host of CNAMES
$cnames_host = get_rocket_cnames_host(array('all', 'css_and_js', 'js'));
$i = 0;
foreach ($files as $file) {
list($file_host, $file_path) = get_rocket_parse_url($file);
// Check if its an external file
if ($home_host != $file_host && !in_array($file_host, $cnames_host) && !in_array($file_path, $rocket_enqueue_js_in_footer)) {
if (isset($ordered_files[$i])) {
$i++;
$ordered_files[$i++] = $file;
} else {
$ordered_files[$i++] = $file;
}
} else {
$ordered_files[$i][] = $file;
}
}
// Print tags
foreach ($ordered_files as $files) {
// Check if its an external file
if (is_string($files)) {
echo '<script src="' . $files . '" data-minify="1"></script>';
} else {
echo get_rocket_minify_files($files);
}
}
}
}
/**
* Get directories paths to preserve languages when purging a domain
* This function is required when the domains of languages (other than the default) are managed by subdirectories
* By default, when you clear the cache of the french website with the domain example.com, all subdirectory like /en/ and /de/ are deleted.
* But, if you have a domain for your english and german websites with example.com/en/ and example.com/de/, you want to keep the /en/ and /de/ directory when the french domain is cleared.
*
* @since 2.0
*
* @param string $current_lang The current language code
* @return array $langs_to_preserve List of directories path to preserve
*/
function get_rocket_i18n_to_preserve($current_lang)
{
$langs_to_preserve = array();
if (!rocket_has_i18n()) {
return $langs_to_preserve;
}
$langs = get_rocket_i18n_code();
// Unset current lang to the preserve dirs
$langs = array_flip($langs);
if (isset($langs[$current_lang])) {
unset($langs[$current_lang]);
}
$langs = array_flip($langs);
// Stock all URLs of langs to preserve
foreach ($langs as $lang) {
list($host, $path) = get_rocket_parse_url(get_rocket_i18n_home_url($lang));
$langs_to_preserve[] = WP_ROCKET_CACHE_PATH . $host . '(.*)/' . trim($path, '/');
}
/**
* Filter directories path to preserve of cache purge
*
* @since 2.1
*
* @param array $langs_to_preserve List of directories path to preserve
*/
$langs_to_preserve = apply_filters('rocket_langs_to_preserve', $langs_to_preserve);
return $langs_to_preserve;
}
/**
* Extract and return host, path and scheme for a specific lang
*
* @since 2.0
* @deprecated 2.2
* @deprecated Use get_rocket_parse_url()
*
*/
function get_rocket_parse_url_for_lang($lang)
{
_deprecated_function(__FUNCTION__, '2.2', 'get_rocket_parse_url()');
return get_rocket_parse_url(get_rocket_i18n_home_url($lang));
}
/**
* Remove all cache files of the domain
*
* @since 2.0 Delete domain cache files for all users
* @since 1.0
*
* @param string $lang (default: '') The language code
* @return void
*/
function rocket_clean_domain($lang = '')
{
$urls = !$lang ? get_rocket_i18n_uri() : get_rocket_i18n_home_url($lang);
$urls = (array) $urls;
/**
* Filter URLs to delete all caching files from a domain
*
* @since 2.6.4
* @param array URLs that will be returned
* @param string The language code
*/
$urls = apply_filters('rocket_clean_domain_urls', $urls, $lang);
$urls = array_filter($urls);
foreach ($urls as $url) {
list($host, $path) = get_rocket_parse_url($url);
/** This filter is documented in inc/front/htaccess.php */
if (apply_filters('rocket_url_no_dots', false)) {
$host = str_replace('.', '_', $host);
}
$root = WP_ROCKET_CACHE_PATH . $host . '*' . $path;
/**
* Fires before all cache files are deleted
*
* @since 1.0
*
* @param string $root The path of home cache file
* @param string $lang The current lang to purge
*/
do_action('before_rocket_clean_domain', $root, $lang);
// Delete cache domain files
if ($dirs = glob($root . '*', GLOB_NOSORT)) {
foreach ($dirs as $dir) {
rocket_rrmdir($dir, get_rocket_i18n_to_preserve($lang));
}
}
/**
* Fires after all cache files was deleted
*
* @since 1.0
*
* @param string $root The path of home cache file
* @param string $lang The current lang to purge
*/
do_action('after_rocket_clean_domain', $root, $lang);
}
}
function rocket_cdn_enqueue($src)
{
// Don't use CDN if in admin, in login page, in register page or in a post preview
if (is_admin() || is_preview() || in_array($GLOBALS['pagenow'], array('wp-login.php', 'wp-register.php'))) {
return $src;
}
$src = set_url_scheme($src);
$zone = array('all', 'css_and_js');
// Add only CSS zone
if (current_filter() == 'style_loader_src') {
$zone[] = 'css';
}
// Add only JS zone
if (current_filter() == 'script_loader_src') {
$zone[] = 'js';
}
if ($cnames = get_rocket_cdn_cnames($zone)) {
list($src_host, $src_path) = get_rocket_parse_url($src);
// Check if the link isn't external
if ($src_host == parse_url(home_url(), PHP_URL_HOST) && trim($src_path, '/') != '') {
$src = get_rocket_cdn_url($src, $zone);
}
}
return $src;
}
function rocket_clean_files_users($urls)
{
$pattern_urls = array();
foreach ($urls as $url) {
list($host, $path, $scheme) = get_rocket_parse_url($url);
$pattern_urls[] = $scheme . '://' . $host . '*' . $path;
}
return $pattern_urls;
}
