function rocket_specify_image_dimensions($buffer)
{
/**
* Filter images dimensions attributes
*
* @since 2.2
*
* @param bool Do the job or not
*/
if (!apply_filters('rocket_specify_image_dimensions', false)) {
return $buffer;
}
// Get all images without width or height attribute
preg_match_all('/<img(?:[^>](?!(height|width)=))*+>/i', $buffer, $images_match);
foreach ($images_match[0] as $image) {
// Don't touch lazy-load file (no conflit with Photon (Jetpack))
if (strpos($image, 'data-lazy-original') || strpos($image, 'data-no-image-dimensions')) {
continue;
}
$tmp = $image;
// Get link of the file
preg_match('/src=[\'"]([^\'"]+)/', $image, $src_match);
// Get infos of the URL
$image_url = parse_url($src_match[1]);
// Check if the link isn't external
if (empty($image_url['host']) || $image_url['host'] == rocket_remove_url_protocol(home_url())) {
// Get image attributes
$sizes = getimagesize(ABSPATH . $image_url['path']);
} else {
/**
* Filter distant images dimensions attributes
*
* @since 2.2
*
* @param bool Do the job or not
*/
if (ini_get('allow_url_fopen') && apply_filters('rocket_specify_image_dimensions_for_distant', false)) {
// Get image attributes
$sizes = getimagesize($image_url['scheme'] . '://' . $image_url['host'] . $image_url['path']);
}
}
if (!empty($sizes)) {
// Add width and width attribute
$image = str_replace('<img', '<img ' . $sizes[3], $image);
// Replace image with new attributes
$buffer = str_replace($tmp, $image, $buffer);
}
}
return $buffer;
}
/**
* Delete one or several cache files
*
* @since 2.0 Delete cache files for all users
* @since 1.1.0 Add filter rocket_clean_files
* @since 1.0
*
* @param string|array $urls URLs of cache files to be deleted
* @return void
*/
function rocket_clean_files($urls)
{
if (is_string($urls)) {
$urls = (array) $urls;
}
/**
* Filter URLs that the cache file to be deleted
*
* @since 1.1.0
* @param array URLs that will be returned.
*/
$urls = apply_filters('rocket_clean_files', $urls);
$urls = array_filter($urls);
foreach ($urls as $url) {
/**
* Fires before the cache file is deleted
*
* @since 1.0
*
* @param string $url The URL that the cache file to be deleted
*/
do_action('before_rocket_clean_file', $url);
/** This filter is documented in inc/front/htaccess.php */
if (apply_filters('rocket_url_no_dots', false)) {
$url = str_replace('.', '_', $url);
}
if ($dirs = glob(WP_ROCKET_CACHE_PATH . rocket_remove_url_protocol($url), GLOB_NOSORT)) {
foreach ($dirs as $dir) {
rocket_rrmdir($dir);
}
}
/**
* Fires after the cache file is deleted
*
* @since 1.0
*
* @param string $url The URL that the cache file was deleted
*/
do_action('after_rocket_clean_file', $url);
}
}
/**
* Rewrite rules to serve the cache file
*
* @since 1.0
*
* @return string $rules Rules that will be printed
*/
function get_rocket_htaccess_mod_rewrite()
{
// No rewrite rules for multisite
if (is_multisite()) {
return;
}
// No rewrite rules for Korean
if (defined('WPLANG') && 'ko_KR' == WPLANG || 'ko_KR' == get_locale()) {
return;
}
// Get root base
$home_root = parse_url(home_url());
$home_root = isset($home_root['path']) ? trailingslashit($home_root['path']) : '/';
$site_root = parse_url(site_url());
$site_root = isset($site_root['path']) ? trailingslashit($site_root['path']) : '';
// Get cache root
if (strpos(ABSPATH, WP_ROCKET_CACHE_PATH) === false) {
$cache_root = str_replace($_SERVER['DOCUMENT_ROOT'], '', WP_ROCKET_CACHE_PATH);
} else {
$cache_root = $site_root . str_replace(ABSPATH, '', WP_ROCKET_CACHE_PATH);
}
/**
* Replace the dots by underscores to avoid some bugs on some shared hosting services on filenames (not multisite compatible!)
*
* @since 1.3.0
*
* @param bool true will replace the . by _
*/
$HTTP_HOST = apply_filters('rocket_url_no_dots', false) ? rocket_remove_url_protocol(home_url()) : '%{HTTP_HOST}';
/**
* Allow the path to be fully printed or dependant od %DOCUMENT_ROOT (forced for 1&1 by default)
*
* @since 1.3.0
*
* @param bool true will force the path to be full
*/
$is_1and1_or_force = apply_filters('rocket_force_full_path', strpos($_SERVER['DOCUMENT_ROOT'], '/kunden/') === 0);
$rules = '';
$gzip_rules = '';
$enc = '';
/**
* Allow to serve gzip cache file
*
* @since 2.4
*
* @param bool true will force to serve gzip cache file
*/
if (function_exists('gzencode') && apply_filters('rocket_force_gzip_htaccess_rules', true)) {
$rules = '<IfModule mod_mime.c>' . PHP_EOL;
$rules .= 'AddType text/html .html_gzip' . PHP_EOL;
$rules .= 'AddEncoding gzip .html_gzip' . PHP_EOL;
$rules .= '</IfModule>' . PHP_EOL;
$rules .= '<IfModule mod_setenvif.c>' . PHP_EOL;
$rules .= 'SetEnvIfNoCase Request_URI \\.html_gzip$ no-gzip' . PHP_EOL;
$rules .= '</IfModule>' . PHP_EOL . PHP_EOL;
$gzip_rules .= 'RewriteCond %{HTTP:Accept-Encoding} gzip' . PHP_EOL;
$gzip_rules .= 'RewriteRule .* - [E=WPR_ENC:_gzip]' . PHP_EOL;
$enc = '%{ENV:WPR_ENC}';
}
$rules .= '<IfModule mod_rewrite.c>' . PHP_EOL;
$rules .= 'RewriteEngine On' . PHP_EOL;
$rules .= 'RewriteBase ' . $home_root . PHP_EOL;
$rules .= get_rocket_htaccess_ssl_rewritecond();
$rules .= $gzip_rules;
$rules .= 'RewriteCond %{REQUEST_METHOD} GET' . PHP_EOL;
$rules .= 'RewriteCond %{QUERY_STRING} =""' . PHP_EOL;
if ($cookies = get_rocket_cache_reject_cookies()) {
$rules .= 'RewriteCond %{HTTP:Cookie} !(' . $cookies . ') [NC]' . PHP_EOL;
}
if ($uri = get_rocket_cache_reject_uri()) {
$rules .= 'RewriteCond %{REQUEST_URI} !^(' . $uri . ')$ [NC]' . PHP_EOL;
}
$rules .= !is_rocket_cache_mobile() ? get_rocket_htaccess_mobile_rewritecond() : '';
if ($ua = get_rocket_cache_reject_ua()) {
$rules .= 'RewriteCond %{HTTP_USER_AGENT} !^(' . $ua . ').* [NC]' . PHP_EOL;
}
if ($is_1and1_or_force) {
$rules .= 'RewriteCond "' . str_replace('/kunden/', '/', WP_ROCKET_CACHE_PATH) . $HTTP_HOST . '%{REQUEST_URI}/index%{ENV:WPR_SSL}.html' . $enc . '" -f' . PHP_EOL;
} else {
$rules .= 'RewriteCond "%{DOCUMENT_ROOT}/' . ltrim($cache_root, '/') . $HTTP_HOST . '%{REQUEST_URI}/index%{ENV:WPR_SSL}.html' . $enc . '" -f' . PHP_EOL;
}
$rules .= 'RewriteRule .* "' . $cache_root . $HTTP_HOST . '%{REQUEST_URI}/index%{ENV:WPR_SSL}.html' . $enc . '" [L]' . PHP_EOL;
$rules .= '</IfModule>' . PHP_EOL;
/**
* Filter rewrite rules to serve the cache file
*
* @since 1.0
*
* @param string $rules Rules that will be printed
*/
$rules = apply_filters('rocket_htaccess_mod_rewrite', $rules);
return $rules;
}