/**
* Used to flush the .htaccess file
*
* @since 1.1.0 Remove empty spacings when .htaccess is generated
* @since 1.0
*
* @param bool $force (default: false)
* @return void
*/
function flush_rocket_htaccess($force = false)
{
if (!$GLOBALS['is_apache']) {
return;
}
$rules = '';
$htaccess_file = get_home_path() . '.htaccess';
if (is_writable($htaccess_file)) {
// Get content of .htaccess file
$ftmp = file_get_contents($htaccess_file);
// Remove the WP Rocket marker
$ftmp = preg_replace('/# BEGIN WP Rocket(.*)# END WP Rocket/isU', '', $ftmp);
// Remove empty spacings
$ftmp = str_replace("\n\n", "\n", $ftmp);
if ($force === false) {
$rules = get_rocket_htaccess_marker();
}
// Update the .htacces file
rocket_put_content($htaccess_file, $rules . $ftmp);
}
}
/**
* Check if minify cache file exist and create it if not
*
* @since 2.1
*
* @param string $url The minified URL with Google Minify Code
* @param string $pretty_url The minified URL cache file
* @return bool
*/
function rocket_fetch_and_cache_minify($url, $pretty_url)
{
// Check if php-curl is enabled
if (!function_exists('curl_init') || !function_exists('curl_exec')) {
return false;
}
$pretty_path = str_replace(WP_ROCKET_MINIFY_CACHE_URL, WP_ROCKET_MINIFY_CACHE_PATH, $pretty_url);
// If minify cache file is already exist, return to get a coffee :)
if (file_exists($pretty_path)) {
return true;
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_USERAGENT, 'WP-Rocket-Minify');
$content = curl_exec($ch);
curl_close($ch);
if ($content) {
// Create cache folders of the request uri
$cache_path = WP_ROCKET_MINIFY_CACHE_PATH . get_current_blog_id() . '/';
if (!is_dir($cache_path)) {
rocket_mkdir_p($cache_path);
}
// Apply CDN on CSS properties
if (strrpos($pretty_path, '.css')) {
$content = rocket_cdn_css_properties($content);
}
// Save cache file
if (rocket_put_content($pretty_path, $content)) {
return true;
}
}
return false;
}
/**
* Create the current config domain file
* For example, if home_url() return example.com, the config domain file will be in /config/example.com
*
* @since 2.0
*
* @return void
*/
function rocket_generate_config_file()
{
list($config_files_path, $buffer) = get_rocket_config_file();
if (count($config_files_path)) {
foreach ($config_files_path as $file) {
rocket_put_content($file, $buffer);
}
}
}
/**
* The famous callback, it puts contents in a cache file if buffer length > 255 (IE do not read pages under 255 c. )
*
* @since 1.3.0 Add filter rocket_buffer
* @since 1.0
*/
function do_rocket_callback($buffer)
{
/**
* Allow to cache search results
*
* @since 2.3.8
*
* @param bool true will force caching search results
*/
$rocket_cache_search = apply_filters('rocket_cache_search', false);
/**
* Allow to override the DONOTCACHEPAGE behavior.
* To warn conflict with some plugins like Thrive Leads.
*
* @since 2.5
*
* @param bool true will force the override
*/
$rocket_override_donotcachepage = apply_filters('rocket_override_donotcachepage', false);
if (strlen($buffer) > 255 && (function_exists('is_404') && !is_404()) && (function_exists('is_search') && !is_search() || $rocket_cache_search) && (!defined('DONOTCACHEPAGE') || !DONOTCACHEPAGE || $rocket_override_donotcachepage)) {
global $request_uri_path, $rocket_cache_filepath;
// This hook is used for:
// - Add width and height attributes on images
// - Deferred JavaScript files
// - DNS Prefechting
// - Minification HTML/CSS/JavaScript
$buffer = apply_filters('rocket_buffer', $buffer);
$footprint = '';
$is_html = true;
if (!preg_match('/(<\\/html>)/i', $buffer)) {
$is_html = false;
}
/**
* Allow to the generate the caching file
*
* @since 2.5
*
* @param bool true will force the caching file generation
*/
if (apply_filters('do_rocket_generate_caching_files', true)) {
// Create cache folders of the request uri
rocket_mkdir_p($request_uri_path);
if ($is_html) {
$footprint = get_rocket_footprint();
}
// Save the cache file
rocket_put_content($rocket_cache_filepath, $buffer . $footprint);
if (function_exists('gzencode')) {
rocket_put_content($rocket_cache_filepath . '_gzip', gzencode($buffer . get_rocket_footprint(), apply_filters('rocket_gzencode_level_compression', 3)));
}
}
// Send headers with the last modified time of the cache file
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($rocket_cache_filepath)) . ' GMT');
if ($is_html) {
$footprint = get_rocket_footprint(false);
}
$buffer = $buffer . $footprint;
}
return $buffer;
}
function rocket_deactivation()
{
if (!isset($_GET['rocket_nonce']) || !wp_verify_nonce($_GET['rocket_nonce'], 'force_deactivation')) {
$causes = array();
// .htaccess problem
if ($GLOBALS['is_apache'] && !is_writable(get_home_path() . '.htaccess')) {
$causes[] = 'htaccess';
}
// wp-config problem
if (!is_writable(rocket_find_wpconfig_path())) {
$causes[] = 'wpconfig';
}
if (count($causes)) {
set_transient($GLOBALS['current_user']->ID . '_donotdeactivaterocket', $causes);
wp_safe_redirect(wp_get_referer());
die;
}
}
// Delete config files
rocket_delete_config_file();
if (!count(glob(WP_ROCKET_CONFIG_PATH . '*.php'))) {
// Delete All WP Rocket rules of the .htaccess file
flush_rocket_htaccess(true);
// Remove WP_CACHE constant in wp-config.php
set_rocket_wp_cache_define(false);
// Delete content of advanced-cache.php
rocket_put_content(WP_CONTENT_DIR . '/advanced-cache.php', '');
}
// Update customer key & licence.
wp_remote_get(WP_ROCKET_WEB_API . 'pause-licence.php', array('blocking' => false));
delete_transient('rocket_check_licence_30');
delete_transient('rocket_check_licence_1');
}
function run_rocket_bot_after_clean_post($post, $purge_urls)
{
// Run robot only if post is published
if ($post->post_status != 'publish') {
return false;
}
// Add Homepage URL to $purge_urls for bot crawl
array_push($purge_urls, home_url());
// Get the author page
$purge_author = array(get_author_posts_url($post->post_author));
// Get all dates archive page
$purge_dates = get_rocket_post_dates_urls($post->ID);
// Remove dates archives page and author page to preload cache
$purge_urls = array_diff($purge_urls, $purge_dates, $purge_author);
// Create json file and run WP Rocket Bot
$json_encode_urls = '["' . implode('","', array_filter($purge_urls)) . '"]';
if (rocket_put_content(WP_ROCKET_PATH . 'cache.json', $json_encode_urls)) {
global $do_rocket_bot_cache_json;
$do_rocket_bot_cache_json = true;
}
}
function __rocket_fix_mailchimp_main_css()
{
if (!defined('MCSF_VER') || !function_exists('mailchimpSF_main_css')) {
return;
}
$blog_id = get_current_blog_id();
$cache_path = WP_ROCKET_MINIFY_CACHE_PATH . $blog_id . '/';
$cache_url = WP_ROCKET_MINIFY_CACHE_URL . $blog_id . '/';
$css_path = $cache_path . 'mailchimpSF_main_css.css';
if (!is_dir($cache_path)) {
rocket_mkdir_p($cache_path);
}
if (!file_exists($css_path)) {
ob_start();
mailchimpSF_main_css();
$content = ob_get_contents();
ob_end_clean();
rocket_put_content($css_path, $content);
}
wp_deregister_style('mailchimpSF_main_css');
wp_register_style('mailchimpSF_main_css', $cache_url . 'mailchimpSF_main_css.css', null, MCSF_VER);
}