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Server : LiteSpeed System : Linux server51.dnsbootclub.com 4.18.0-553.62.1.lve.el8.x86_64 #1 SMP Mon Jul 21 17:50:35 UTC 2025 x86_64 User : nandedex ( 1060) PHP Version : 8.1.33 Disable Function : NONE Directory : /usr/src/litespeed-wp-plugin/1.9.1.1/litespeed-cache/inc/ |
<?php
/**
* The class to operate media data.
*
* @since 1.4
* @since 1.5 Moved into /inc
* @package LiteSpeed_Cache
* @subpackage LiteSpeed_Cache/inc
* @author LiteSpeed Technologies <info@litespeedtech.com>
*/
class LiteSpeed_Cache_Media
{
private static $_instance ;
const LAZY_LIB = '/min/lazyload.js' ;
const TYPE_SYNC_DATA = 'sync_data' ;
const TYPE_IMG_OPTIMIZE = 'img_optm' ;
const TYPE_IMG_OPTIMIZE_RESCAN = 'img_optm_rescan' ;
const TYPE_IMG_OPTIMIZE_DESTROY = 'img_optm_destroy' ;
const TYPE_IMG_PULL = 'img_pull' ;
const TYPE_IMG_BATCH_SWITCH_ORI = 'img_optm_batch_switch_ori' ;
const TYPE_IMG_BATCH_SWITCH_OPTM = 'img_optm_batch_switch_optm' ;
const OPT_CRON_RUN = 'litespeed-img_optm_cron_run' ; // last cron running time
const DB_IMG_OPTIMIZE_DESTROY = 'litespeed-optimize-destroy' ;
const DB_IMG_OPTIMIZE_DATA = 'litespeed-optimize-data' ;
const DB_IMG_OPTIMIZE_STATUS = 'litespeed-optimize-status' ;
const DB_IMG_OPTIMIZE_STATUS_REQUESTED = 'requested' ;
const DB_IMG_OPTIMIZE_STATUS_NOTIFIED = 'notified' ;
const DB_IMG_OPTIMIZE_STATUS_PULLED = 'pulled' ;
const DB_IMG_OPTIMIZE_STATUS_FAILED = 'failed' ;
const DB_IMG_OPTIMIZE_STATUS_ERR = 'err' ;
const DB_IMG_OPTIMIZE_SIZE = 'litespeed-optimize-size' ;
const DB_IMG_OPTM_SUMMARY = 'litespeed_img_optm_summary' ;
private $content ;
private $wp_upload_dir ;
private $tmp_pid ;
private $tmp_path ;
private $_img_in_queue = array() ;
private $_img_total = 0 ;
private $cfg_img_webp ;
/**
* Init
*
* @since 1.4
* @access private
*/
private function __construct()
{
LiteSpeed_Cache_Log::debug2( 'Media init' ) ;
$this->wp_upload_dir = wp_upload_dir() ;
if ( $this->can_media() ) {
$this->_static_request_check() ;
$this->cfg_img_webp = LiteSpeed_Cache::config( LiteSpeed_Cache_Config::OPID_MEDIA_IMG_WEBP ) ;
// Due to ajax call doesn't send correct accept header, have to limit webp to HTML only
if ( $this->cfg_img_webp ) {
/**
* Add vary filter
* @since 1.6.2
*/
// Moved to htaccess
// add_filter( 'litespeed_vary', array( $this, 'vary_add' ) ) ;
//
if ( $this->webp_support() ) {
// Hook to srcset
if ( function_exists( 'wp_calculate_image_srcset' ) ) {
add_filter( 'wp_calculate_image_srcset', array( $this, 'webp_srcset' ), 988 ) ;
}
// Hook to mime icon
// add_filter( 'wp_get_attachment_image_src', array( $this, 'webp_attach_img_src' ), 988 ) ;// todo: need to check why not
// add_filter( 'wp_get_attachment_url', array( $this, 'webp_url' ), 988 ) ; // disabled to avoid wp-admin display
}
}
}
add_action( 'litspeed_after_admin_init', array( $this, 'after_admin_init' ) ) ;
}
/**
* Check if it can use Media frontend
*
* @since 1.6.2
* @access private
*/
private function can_media()
{
if ( is_admin() ) {
return false ;
}
return true ;
}
/**
* Register admin menu
*
* @since 1.6.3
* @access public
*/
public function after_admin_init()
{
if ( get_option( LiteSpeed_Cache_Config::ITEM_MEDIA_NEED_PULL ) ) {
add_filter( 'manage_media_columns', array( $this, 'media_row_title' ) ) ;
add_filter( 'manage_media_custom_column', array( $this, 'media_row_actions' ), 10, 2 ) ;
}
}
/**
* Media Admin Menu -> Image Optimization Column Title
*
* @since 1.6.3
* @access public
*/
public function media_row_title( $posts_columns )
{
$posts_columns[ 'imgoptm' ] = __( 'LiteSpeed Optimization', 'litespeed-cache' ) ;
return $posts_columns ;
}
/**
* Media Admin Menu -> Image Optimization Column
*
* @since 1.6.2
* @access public
*/
public function media_row_actions( $column_name, $post_id )
{
if ( $column_name !== 'imgoptm' ) {
return ;
}
$local_file = get_attached_file( $post_id ) ;
$link = LiteSpeed_Cache_Utility::build_url( LiteSpeed_Cache::ACTION_MEDIA, 'webp' . $post_id ) ;
$desc = false ;
$cls = 'litespeed-icon-media-webp' ;
$cls_webp = '' ;
if ( file_exists( $local_file . '.webp' ) ) {
$desc = __( 'Disable WebP', 'litespeed-cache' ) ;
$cls_webp = 'litespeed-txt-webp' ;
}
elseif ( file_exists( $local_file . '.optm.webp' ) ) {
$cls .= '-disabled' ;
$desc = __( 'Enable WebP', 'litespeed-cache' ) ;
$cls_webp = 'litespeed-txt-disabled' ;
}
$link_webp = '' ;
if ( $desc ) {
$link_webp = sprintf( '<a href="%1$s" class="litespeed-media-href" title="%3$s"><span class="%2$s"></span></a>', $link, $cls, $desc ) ;
}
$extension = pathinfo( $local_file, PATHINFO_EXTENSION ) ;
$bk_file = substr( $local_file, 0, -strlen( $extension ) ) . 'bk.' . $extension ;
$bk_optm_file = substr( $local_file, 0, -strlen( $extension ) ) . 'bk.optm.' . $extension ;
$link = LiteSpeed_Cache_Utility::build_url( LiteSpeed_Cache::ACTION_MEDIA, 'orig' . $post_id ) ;
$desc = false ;
$cls = 'litespeed-icon-media-optm' ;
$cls_ori = '' ;
if ( file_exists( $bk_file ) ) {
$desc = __( 'Restore Original File', 'litespeed-cache' ) ;
$cls_ori = 'litespeed-txt-ori' ;
}
elseif ( file_exists( $bk_optm_file ) ) {
$cls .= '-disabled' ;
$desc = __( 'Switch To Optimized File', 'litespeed-cache' ) ;
$cls_ori = 'litespeed-txt-disabled' ;
}
$link_ori = '' ;
if ( $desc ) {
$link_ori = sprintf( '<a href="%1$s" class="litespeed-media-href" title="%3$s"><span class="%2$s"></span></a>', $link, $cls, $desc ) ;
}
$info_webp = '' ;
$size_meta = get_post_meta( $post_id, self::DB_IMG_OPTIMIZE_SIZE, true ) ;
if ( $size_meta && ! empty ( $size_meta[ 'webp_saved' ] ) ) {
$percent = ceil( $size_meta[ 'webp_saved' ] * 100 / $size_meta[ 'webp_total' ] ) ;
$pie_webp = LiteSpeed_Cache_GUI::pie( $percent, 30 ) ;
$txt_webp = sprintf( __( 'WebP saved %s', 'litespeed-cache' ), LiteSpeed_Cache_Utility::real_size( $size_meta[ 'webp_saved' ] ) ) ;
$info_webp = sprintf( '%s %s', $pie_webp, $txt_webp ) ;
}
$info_ori = '' ;
if ( $size_meta && ! empty ( $size_meta[ 'ori_saved' ] ) ) {
$percent = ceil( $size_meta[ 'ori_saved' ] * 100 / $size_meta[ 'ori_total' ] ) ;
$pie_ori = LiteSpeed_Cache_GUI::pie( $percent, 30 ) ;
$txt_ori = sprintf( __( 'Original saved %s', 'litespeed-cache' ), LiteSpeed_Cache_Utility::real_size( $size_meta[ 'ori_saved' ] ) ) ;
$info_ori = sprintf( '%s %s', $pie_ori, $txt_ori ) ;
}
echo "<p class='litespeed-media-p $cls_webp'>$info_webp $link_webp</p><p class='litespeed-media-p $cls_ori'>$info_ori $link_ori</p>" ;
}
/**
* Batch switch images to ori/optm version
*
* @since 1.6.2
* @access private
*/
private function _batch_switch( $type )
{
global $wpdb ;
$q = "SELECT meta_value
FROM $wpdb->postmeta
WHERE meta_key = %s
" ;
$cond = array( self::DB_IMG_OPTIMIZE_DATA ) ;
$meta_value_lists = $wpdb->get_results( $wpdb->prepare( $q, $cond ) ) ;
$i = 0 ;
foreach ( $meta_value_lists as $v ) {
$meta_value_list = unserialize( $v->meta_value ) ;
foreach ( $meta_value_list as $v2 ) {
if ( $v2[ 1 ] !== 'pulled' ) {
continue ;
}
$src = $v2[ 0 ] ;
$local_file = $this->wp_upload_dir[ 'basedir' ] . '/' . $src ;
$extension = pathinfo( $local_file, PATHINFO_EXTENSION ) ;
$local_filename = substr( $local_file, 0, - strlen( $extension ) - 1 ) ;
$bk_file = $local_filename . '.bk.' . $extension ;
$bk_optm_file = $local_filename . '.bk.optm.' . $extension ;
// switch to ori
if ( $type === self::TYPE_IMG_BATCH_SWITCH_ORI ) {
if ( ! file_exists( $bk_file ) ) {
continue ;
}
$i ++ ;
rename( $local_file, $bk_optm_file ) ;
rename( $bk_file, $local_file ) ;
}
// switch to optm
elseif ( $type === self::TYPE_IMG_BATCH_SWITCH_OPTM ) {
if ( ! file_exists( $bk_optm_file ) ) {
continue ;
}
$i ++ ;
rename( $local_file, $bk_file ) ;
rename( $bk_optm_file, $local_file ) ;
}
}
}
LiteSpeed_Cache_Log::debug( 'Media: batch switched images total: ' . $i ) ;
}
/**
* Switch image between original one and optimized one
*
* @since 1.6.2
* @access private
*/
private function _switch_optm_file( $type )
{
$pid = substr( $type, 4 ) ;
$switch_type = substr( $type, 0, 4 ) ;
global $wpdb ;
$q = "SELECT meta_value
FROM $wpdb->postmeta
WHERE post_id = %d AND meta_key = %s
" ;
$cond = array( $pid, self::DB_IMG_OPTIMIZE_DATA ) ;
$meta_value_list = $wpdb->get_var( $wpdb->prepare( $q, $cond ) ) ;
$meta_value_list = unserialize( $meta_value_list ) ;
$msg = 'Unknown Msg' ;
foreach ( $meta_value_list as $v ) {
if ( $v[ 1 ] !== 'pulled' ) {
continue ;
}
$src = $v[ 0 ] ;
$local_file = $this->wp_upload_dir[ 'basedir' ] . '/' . $src ;
// to switch webp file
if ( $switch_type === 'webp' ) {
if ( file_exists( $local_file . '.webp' ) ) {
rename( $local_file . '.webp', $local_file . '.optm.webp' ) ;
LiteSpeed_Cache_Log::debug( 'Media: Disabled WebP: ' . $local_file ) ;
$msg = __( 'Disabled WebP file successfully.', 'litespeed-cache' ) ;
}
elseif ( file_exists( $local_file . '.optm.webp' ) ) {
rename( $local_file . '.optm.webp', $local_file . '.webp' ) ;
LiteSpeed_Cache_Log::debug( 'Media: Enable WebP: ' . $local_file ) ;
$msg = __( 'Enabled WebP file successfully.', 'litespeed-cache' ) ;
}
}
// to switch original file
else {
$extension = pathinfo( $local_file, PATHINFO_EXTENSION ) ;
$local_filename = substr( $local_file, 0, - strlen( $extension ) - 1 ) ;
$bk_file = $local_filename . '.bk.' . $extension ;
$bk_optm_file = $local_filename . '.bk.optm.' . $extension ;
// revert ori back
if ( file_exists( $bk_file ) ) {
rename( $local_file, $bk_optm_file ) ;
rename( $bk_file, $local_file ) ;
LiteSpeed_Cache_Log::debug( 'Media: Restore original img: ' . $bk_file ) ;
$msg = __( 'Restored original file successfully.', 'litespeed-cache' ) ;
}
elseif ( file_exists( $bk_optm_file ) ) {
rename( $local_file, $bk_file ) ;
rename( $bk_optm_file, $local_file ) ;
LiteSpeed_Cache_Log::debug( 'Media: Switch to optm img: ' . $local_file ) ;
$msg = __( 'Switched to optimized file successfully.', 'litespeed-cache' ) ;
}
}
}
LiteSpeed_Cache_Admin_Display::add_notice( LiteSpeed_Cache_Admin_Display::NOTICE_GREEN, $msg ) ;
}
/**
* Get wp size info
*
* NOTE: this is not used because it has to be after admin_init
*
* @since 1.6.2
* @access private
* @return array $sizes Data for all currently-registered image sizes.
*/
private function get_image_sizes() {
global $_wp_additional_image_sizes ;
$sizes = array();
foreach ( get_intermediate_image_sizes() as $_size ) {
if ( in_array( $_size, array( 'thumbnail', 'medium', 'medium_large', 'large' ) ) ) {
$sizes[ $_size ][ 'width' ] = get_option( $_size . '_size_w' ) ;
$sizes[ $_size ][ 'height' ] = get_option( $_size . '_size_h' ) ;
$sizes[ $_size ][ 'crop' ] = (bool) get_option( $_size . '_crop' ) ;
} elseif ( isset( $_wp_additional_image_sizes[ $_size ] ) ) {
$sizes[ $_size ] = array(
'width' => $_wp_additional_image_sizes[ $_size ][ 'width' ],
'height' => $_wp_additional_image_sizes[ $_size ][ 'height' ],
'crop' => $_wp_additional_image_sizes[ $_size ][ 'crop' ]
) ;
}
}
return $sizes ;
}
/**
* Exclude role from optimization filter
*
* @since 1.6.2
* @access public
*/
private function webp_support()
{
if ( empty( $_SERVER[ 'HTTP_ACCEPT' ] ) || strpos( $_SERVER[ 'HTTP_ACCEPT' ], 'image/webp' ) === false ) {
return false ;
}
return true ;
}
/**
* Check if the request is for static file
*
* @since 1.4
* @access private
* @return string The static file content
*/
private function _static_request_check()
{
// This request is for js/css_async.js
if ( strpos( $_SERVER[ 'REQUEST_URI' ], self::LAZY_LIB ) !== false ) {
LiteSpeed_Cache_Log::debug( 'Media run lazyload lib' ) ;
LiteSpeed_Cache_Control::set_cacheable() ;
LiteSpeed_Cache_Control::set_public_forced( 'OPTM: lazyload js' ) ;
LiteSpeed_Cache_Control::set_no_vary() ;
LiteSpeed_Cache_Control::set_custom_ttl( 8640000 ) ;
LiteSpeed_Cache_Tag::add( LiteSpeed_Cache_Tag::TYPE_MIN . '_LAZY' ) ;
$file = LSCWP_DIR . 'js/lazyload.min.js' ;
header( 'Content-Length: ' . filesize( $file ) ) ;
header( 'Content-Type: application/x-javascript; charset=utf-8' ) ;
echo file_get_contents( $file ) ;
exit ;
}
}
/**
* Sync data from litespeed IAPI server
*
* @since 1.6.5
* @access private
*/
private function _sync_data()
{
$json = LiteSpeed_Cache_Admin_API::post( LiteSpeed_Cache_Admin_API::IAPI_ACTION_MEDIA_SYNC_DATA ) ;
if ( ! is_array( $json ) ) {
LiteSpeed_Cache_Log::debug( 'Media: Failed to post to LiteSpeed IAPI server ', $json ) ;
$msg = __( 'Failed to communicate with LiteSpeed IAPI server', 'litespeed-cache' ) . ': ' . $json ;
LiteSpeed_Cache_Admin_Display::error( $msg ) ;
return ;
}
if ( ! empty( $json ) ) {
update_option( self::DB_IMG_OPTM_SUMMARY, $json ) ;
}
$msg = __( 'Communicated with LiteSpeed Image Optimization Server successfully.', 'litespeed-cache' ) ;
LiteSpeed_Cache_Admin_Display::succeed( $msg ) ;
LiteSpeed_Cache_Admin::redirect() ;
}
/**
* Handle all request actions from main cls
*
* @since 1.6
* @access public
*/
public static function handler()
{
$instance = self::get_instance() ;
$type = LiteSpeed_Cache_Router::verify_type() ;
switch ( $type ) {
/**
* Batch switch
* @since 1.6.3
*/
case self::TYPE_IMG_BATCH_SWITCH_ORI :
case self::TYPE_IMG_BATCH_SWITCH_OPTM :
$instance->_batch_switch( $type ) ;
break ;
case self::TYPE_SYNC_DATA :
$instance->_sync_data() ;
break ;
case self::TYPE_IMG_OPTIMIZE :
$instance->_img_optimize() ;
break ;
case self::TYPE_IMG_OPTIMIZE_RESCAN :
$instance->_img_optimize_rescan() ;
break ;
case self::TYPE_IMG_OPTIMIZE_DESTROY :
$instance->_img_optimize_destroy() ;
break ;
case self::TYPE_IMG_PULL :
LiteSpeed_Cache_Log::debug( 'Media: Manually running Cron pull_optimized_img' ) ;
$instance->_pull_optimized_img() ;
break ;
case substr( $type, 0, 4 ) === 'webp' :
case substr( $type, 0, 4 ) === 'orig' :
$instance->_switch_optm_file( $type ) ;
break ;
default:
break ;
}
LiteSpeed_Cache_Admin::redirect() ;
}
/**
* Check if fetch cron is running
*
* @since 1.6.2
* @access public
*/
public function cron_running( $bool_res = true )
{
$last_run = get_option( self::OPT_CRON_RUN ) ;
$is_running = $last_run && time() - $last_run <= 120 ;
if ( $bool_res ) {
return $is_running ;
}
return array( $last_run, $is_running ) ;
}
/**
* Update fetch cron timestamp tag
*
* @since 1.6.2
* @access private
*/
private function _update_cron_running()
{
update_option( self::OPT_CRON_RUN, time() ) ;
}
/**
* Pull optimized img
*
* @since 1.6
* @access public
*/
public static function pull_optimized_img()
{
LiteSpeed_Cache_Log::debug( 'Media: Cron pull_optimized_img started' ) ;
$instance = self::get_instance() ;
$instance->_pull_optimized_img() ;
}
/**
* Pull optimized img
*
* @since 1.6
* @access private
*/
private function _pull_optimized_img()
{
if ( $this->cron_running() ) {
LiteSpeed_Cache_Log::debug( 'Media: fetch cron is running' ) ;
return ;
}
global $wpdb ;
$q = "SELECT a.meta_id, a.post_id, b.meta_id as bmeta_id, b.meta_value, c.meta_id as cmeta_id, c.meta_value as cmeta_value
FROM $wpdb->postmeta a
LEFT JOIN $wpdb->postmeta b ON b.post_id = a.post_id
LEFT JOIN $wpdb->postmeta c ON c.post_id = a.post_id AND c.meta_key = %s
WHERE a.meta_key = %s AND a.meta_value = %s AND b.meta_key = %s
ORDER BY a.post_id DESC
LIMIT 1
" ;
$cond = array( self::DB_IMG_OPTIMIZE_SIZE, self::DB_IMG_OPTIMIZE_STATUS, self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED, self::DB_IMG_OPTIMIZE_DATA ) ;
$query = $wpdb->prepare( $q, $cond ) ;
$webp_only = LiteSpeed_Cache::config( LiteSpeed_Cache_Config::OPID_MEDIA_IMG_WEBP_ONLY ) ;
for ( $i=0 ; $i < 10 ; $i++ ) {
$meta_value_row = $wpdb->get_row( $query ) ;
if ( ! $meta_value_row ) {
break ;
}
$meta_value = unserialize( $meta_value_row->meta_value ) ;
if ( $meta_value_row->cmeta_value ) {
$cmeta_value = unserialize( $meta_value_row->cmeta_value ) ;
}
else {
$cmeta_value = array(
'ori_total' => 0,
'ori_saved' => 0,
'webp_total' => 0,
'webp_saved' => 0,
) ;
}
// Start fetching
foreach ( $meta_value as $md5 => $v2 ) {
/**
* Update cron timestamp to avoid duplicated running
* @since 1.6.2
*/
$this->_update_cron_running() ;
if ( $v2[ 1 ] === self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED ) {
$server = $v2[ 2 ] ;
// send fetch request
$data = array(
'pid' => $meta_value_row->post_id,
'src_md5' => $md5,
'meta' => $meta_value_row->meta_value,
) ;
$json = LiteSpeed_Cache_Admin_API::post( LiteSpeed_Cache_Admin_API::IAPI_ACTION_PULL_IMG, $data, $server ) ;
if ( empty( $json[ 'webp' ] ) ) {
LiteSpeed_Cache_Log::debug( 'Media: Failed to pull optimized img: ', $json ) ;
return ;
}
$local_file = $this->wp_upload_dir[ 'basedir' ] . '/' . $v2[ 0 ] ;
$ori_size = filesize( $local_file ) ;
/**
* Use wp orignal get func to avoid allow_url_open off issue
* @since 1.6.5
*/
// Fetch webp image
$response = wp_remote_get( $json[ 'webp' ], array( 'timeout' => 15 ) ) ;
if ( is_wp_error( $response ) ) {
$error_message = $response->get_error_message() ;
LiteSpeed_Cache_Log::debug( 'IAPI failed to pull image: ' . $error_message ) ;
return ;
}
file_put_contents( $local_file . '.webp', $response[ 'body' ] ) ;
if ( ! file_exists( $local_file . '.webp' ) ) {
return ;
}
// Unknown issue
if ( md5_file( $local_file . '.webp' ) !== $json[ 'webp_md5' ] ) {
LiteSpeed_Cache_Log::debug( 'Media: Failed to pull optimized img WebP: file md5 dismatch, server md5: ' . $json[ 'webp_md5' ] ) ;
// update status to failed
$meta_value[ $md5 ][ 1 ] = self::DB_IMG_OPTIMIZE_STATUS_FAILED ;
$q = "UPDATE $wpdb->postmeta SET meta_value = %s WHERE meta_id = %d ";
$wpdb->query( $wpdb->prepare( $q, array( serialize( $meta_value ), $meta_value_row->bmeta_id ) ) ) ;
// Notify server to update status
LiteSpeed_Cache_Admin_API::post( LiteSpeed_Cache_Admin_API::IAPI_ACTION_PULL_IMG_FAILED, $data, $server ) ;
return ;// exit from running pull process
}
// log webp file saved size summary
$saved = $ori_size - filesize( $local_file . '.webp' ) ;
if ( $saved > 0 ) {
$cmeta_value[ 'webp_total' ] += $ori_size ;
$cmeta_value[ 'webp_saved' ] += $saved ;
}
LiteSpeed_Cache_Log::debug( 'Media: Pulled optimized img WebP: ' . $local_file . '.webp' ) ;
// Fetch optimized image itself
if ( ! $webp_only && ! empty( $json[ 'target_file' ] ) ) {
// Fetch failed, unkown issue, return
// NOTE: if this failed more than 5 times, next time fetching webp will touch err limit on server side, whole image will be failed
$response = wp_remote_get( $json[ 'target_file' ], array( 'timeout' => 15 ) ) ;
if ( is_wp_error( $response ) ) {
$error_message = $response->get_error_message() ;
LiteSpeed_Cache_Log::debug( 'IAPI failed to pull image: ' . $error_message ) ;
return ;
}
file_put_contents( $local_file . '.tmp', $response[ 'body' ] ) ;
// Unknown issue
if ( md5_file( $local_file . '.tmp' ) !== $json[ 'target_md5' ] ) {
LiteSpeed_Cache_Log::debug( 'Media: Failed to pull optimized img iteself: file md5 dismatch, server md5: ' . $json[ 'target_md5' ] ) ;
// update status to failed
$meta_value[ $md5 ][ 1 ] = self::DB_IMG_OPTIMIZE_STATUS_FAILED ;
$q = "UPDATE $wpdb->postmeta SET meta_value = %s WHERE meta_id = %d ";
$wpdb->query( $wpdb->prepare( $q, array( serialize( $meta_value ), $meta_value_row->bmeta_id ) ) ) ;
// Notify server to update status
LiteSpeed_Cache_Admin_API::post( LiteSpeed_Cache_Admin_API::IAPI_ACTION_PULL_IMG_FAILED, $data, $server ) ;
return ; // exit from running pull process
}
// log webp file saved size summary
$saved = $ori_size - filesize( $local_file . '.tmp' ) ;
if ( $saved > 0 ) {
$cmeta_value[ 'ori_total' ] += $ori_size ;
$cmeta_value[ 'ori_saved' ] += $saved ;
}
// Backup ori img
$extension = pathinfo( $local_file, PATHINFO_EXTENSION ) ;
$bk_file = substr( $local_file, 0, -strlen( $extension ) ) . 'bk.' . $extension ;
rename( $local_file, $bk_file ) ;
// Replace ori img
rename( $local_file . '.tmp', $local_file ) ;
LiteSpeed_Cache_Log::debug( 'Media: Pulled optimized img: ' . $local_file ) ;
}
// Update meta value
$meta_value[ $md5 ][ 1 ] = self::DB_IMG_OPTIMIZE_STATUS_PULLED ;
}
}
LiteSpeed_Cache_Log::debug( 'Media: Pulled optimized img done, updating record pid: ' . $meta_value_row->post_id ) ;
// Update data tag
$q = "UPDATE $wpdb->postmeta SET meta_value = %s WHERE meta_id = %d ";
$wpdb->query( $wpdb->prepare( $q, array( serialize( $meta_value ), $meta_value_row->bmeta_id ) ) ) ;
/**
* Update size saved info
* @since 1.6.5
*/
if ( $meta_value_row->cmeta_id ) {
$q = "UPDATE $wpdb->postmeta SET meta_value = %s WHERE meta_id = %d ";
$wpdb->query( $wpdb->prepare( $q, array( serialize( $cmeta_value ), $meta_value_row->cmeta_id ) ) ) ;
}
else {
$q = "INSERT INTO $wpdb->postmeta SET meta_value = %s, meta_id = %d, meta_key = %s, post_id = %d ";
$wpdb->query( $wpdb->prepare( $q, array( serialize( $cmeta_value ), $meta_value_row->cmeta_id, self::DB_IMG_OPTIMIZE_SIZE, $meta_value_row->post_id ) ) ) ;
}
// Update status tag if all pulled or still has requested img
$has_notify = false ;// it may be bypassed in above loop
$has_request = false ;
foreach ( $meta_value as $v2 ) {
if ( $v2[ 1 ] === self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ) {
$has_request = true ;
}
if ( $v2[ 1 ] === self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED ) {
$has_notify = true ;
}
}
$q = "UPDATE $wpdb->postmeta SET meta_value = %s WHERE meta_id = %d ";
// Update pid status
if ( ! $has_notify ) {
$new_status = self::DB_IMG_OPTIMIZE_STATUS_PULLED ;
if ( $has_request ) {
$new_status = self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ;
}
LiteSpeed_Cache_Log::debug( 'Media: Updated pid status: ' . $new_status ) ;
$wpdb->query( $wpdb->prepare( $q, array( $new_status, $meta_value_row->meta_id ) ) ) ;
}
}
// If all pulled, update tag to done
$q = "SELECT * FROM $wpdb->postmeta WHERE meta_key = %s AND meta_value = %s LIMIT 1" ;
$meta_value_list = $wpdb->get_row( $wpdb->prepare( $q, array( self::DB_IMG_OPTIMIZE_STATUS, self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED ) ) ) ;
if ( ! $meta_value_list ) {
LiteSpeed_Cache_Log::debug( 'Media: Marked poll status to all pulled ' ) ;
update_option( LiteSpeed_Cache_Config::ITEM_MEDIA_NEED_PULL, self::DB_IMG_OPTIMIZE_STATUS_PULLED ) ;
}
}
/**
* Check if need to do a pull for optimized img
*
* @since 1.6
* @access public
*/
public static function check_need_pull()
{
$tag = get_option( LiteSpeed_Cache_Config::ITEM_MEDIA_NEED_PULL ) ;
return defined( 'DOING_CRON' ) && $tag && $tag === self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED ;
}
/**
* Show an image's optm status
*
* @since 1.6.5
* @access public
*/
public function check_img()
{
$pid = $_POST[ 'data' ] ;
LiteSpeed_Cache_Log::debug( 'Media: Check image [ID] ' . $pid ) ;
$data = array() ;
$data[ 'img_count' ] = $this->img_count() ;
$info = get_post_meta( $pid, self::DB_IMG_OPTIMIZE_STATUS, true ) ;
$data[ self::DB_IMG_OPTIMIZE_STATUS ] = $info ;
$info = get_post_meta( $pid, self::DB_IMG_OPTIMIZE_DATA, true ) ;
$data[ self::DB_IMG_OPTIMIZE_DATA ] = $info ;
echo json_encode( $data ) ;
exit;
}
/**
* parse LiteSpeed IAPI server data
*
* @since 1.6.5
* @access public
*/
private function _parse_notify_data()
{
$notified_data = unserialize( base64_decode( $_POST[ 'data' ] ) ) ;
if ( empty( $notified_data ) || ! is_array( $notified_data ) ) {
LiteSpeed_Cache_Log::debug( 'Media: notify exit: no notified data' ) ;
exit( json_encode( 'no notified data' ) ) ;
}
if ( empty( $_POST[ 'server' ] ) || substr( $_POST[ 'server' ], -21 ) !== 'api.litespeedtech.com' ) {
LiteSpeed_Cache_Log::debug( 'Media: notify exit: no/wrong server' ) ;
exit( json_encode( 'no/wrong server' ) ) ;
}
$_allowed_status = array( self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED, self::DB_IMG_OPTIMIZE_STATUS_ERR, self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ) ;
if ( empty( $_POST[ 'status' ] ) || ! in_array( $_POST[ 'status' ], $_allowed_status ) ) {
LiteSpeed_Cache_Log::debug( 'Media: notify exit: no/wrong status' ) ;
exit( json_encode( 'no/wrong status' ) ) ;
}
return array( $notified_data, $_POST[ 'server' ], $_POST[ 'status' ] ) ;
}
/**
* LiteSpeed Child server notify Client img status changed
*
* @since 1.6
* @since 1.6.5 Added err/request status free switch
* @access public
*/
public function notify_img()
{
list( $notified_data, $server, $status ) = $this->_parse_notify_data() ;
global $wpdb ;
$pids = array_keys( $notified_data ) ;
$q = "SELECT meta_id, post_id, meta_value FROM $wpdb->postmeta WHERE post_id IN ( " . implode( ',', array_fill( 0, count( $pids ), '%d' ) ) . " ) AND meta_key = %s" ;
$meta_value_list = $wpdb->get_results( $wpdb->prepare( $q, array_merge( $pids, array( self::DB_IMG_OPTIMIZE_DATA ) ) ) ) ;
$need_pull = false ;
foreach ( $meta_value_list as $v ) {
$changed = false ;
$md52src_list = unserialize( $v->meta_value ) ;
// replace src tag from requested to notified
foreach ( $md52src_list as $md5 => $v2 ) {
if ( in_array( $md5, $notified_data[ $v->post_id ] ) && $v2[ 1 ] !== self::DB_IMG_OPTIMIZE_STATUS_PULLED ) {
$md52src_list[ $md5 ][ 1 ] = $status ;
$md52src_list[ $md5 ][ 2 ] = $server ;
$changed = true ;
}
}
if ( ! $changed ) {
LiteSpeed_Cache_Log::debug( 'Media: notify_img [status] ' . $status . ' continue: no changed meta [pid] ' . $v->post_id ) ;
continue ;
}
$new_status = $this->_get_status_by_meta_data( $md52src_list, $status ) ;
// Save meta data
$md52src_list = serialize( $md52src_list ) ;
$q = "UPDATE $wpdb->postmeta SET meta_value = %s WHERE meta_id = %d" ;
$wpdb->query( $wpdb->prepare( $q, array( $md52src_list, $v->meta_id ) ) ) ;
// Overwrite post meta status to the latest one
$q = "UPDATE $wpdb->postmeta SET meta_value = %s WHERE post_id = %d AND meta_key = %s" ;
// If partly needs notified to pull, notified should overwrite this post's status always
$wpdb->query( $wpdb->prepare( $q, array( $new_status, $v->post_id, self::DB_IMG_OPTIMIZE_STATUS ) ) ) ;
LiteSpeed_Cache_Log::debug( 'Media: notify_img [status] ' . $status . ' updated post_meta [pid] ' . $v->post_id ) ;
if ( $status == self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED ) {
$need_pull = true ;
}
}
if ( $need_pull ) {
update_option( LiteSpeed_Cache_Config::ITEM_MEDIA_NEED_PULL, self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED ) ;
}
// redo count err
echo json_encode( array( 'count' => count( $notified_data ) ) ) ;
exit() ;
}
/**
* Generate post's img optm status from child images meta value
*
* @since 1.6.7
* @access private
*/
private function _get_status_by_meta_data( $md52src_list, $default_status )
{
$has_notify = false ;
$has_request = false ;
$has_pull = false ;
foreach ( $md52src_list as $v ) {
if ( $v[ 1 ] == self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED ) {
$has_notify = true ;
}
if ( $v[ 1 ] == self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ) {
$has_request = true ;
}
if ( $v[ 1 ] == self::DB_IMG_OPTIMIZE_STATUS_PULLED ) {
$has_pull = true ;
}
}
if ( $has_notify ) {
$new_status = self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED ;
}
elseif ( $has_request ) {
$new_status = self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ;
}
elseif ( $has_pull ) {
$new_status = self::DB_IMG_OPTIMIZE_STATUS_PULLED ;
}
else {
$new_status = $default_status ;
}
return $new_status ;
}
/**
* Parse wp's meta value
*
* @since 1.6.7
* @access private
*/
private function _parse_wp_meta_value( $v )
{
if ( ! $v->meta_value ) {
LiteSpeed_Cache_Log::debug( 'Media: bypassed parsing meta due to no meta_value: pid ' . $v->post_id ) ;
return false ;
}
try {
$meta_value = unserialize( $v->meta_value ) ;
}
catch ( \Exception $e ) {
LiteSpeed_Cache_Log::debug( 'Media: bypassed parsing meta due to meta_value not json: pid ' . $v->post_id ) ;
return false ;
}
if ( empty( $meta_value[ 'file' ] ) ) {
LiteSpeed_Cache_Log::debug( 'Media: bypassed parsing meta due to no ori file: pid ' . $v->post_id ) ;
return false ;
}
return $meta_value ;
}
/**
* Push img to LiteSpeed IAPI server
*
* @since 1.6.7
* @access private
*/
private function _push_img_in_queue_to_ls()
{
$data = array(
'list' => $this->_img_in_queue,
'webp_only' => LiteSpeed_Cache::config( LiteSpeed_Cache_Config::OPID_MEDIA_IMG_WEBP_ONLY ),
'keep_exif' => LiteSpeed_Cache::config( LiteSpeed_Cache_Config::OPID_MEDIA_IMG_EXIF ),
'webp_lossless' => LiteSpeed_Cache::config( LiteSpeed_Cache_Config::OPID_MEDIA_IMG_WEBP_LOSSLESS ),
) ;
// Push to LiteSpeed IAPI server
$json = LiteSpeed_Cache_Admin_API::post( LiteSpeed_Cache_Admin_API::IAPI_ACTION_REQUEST_OPTIMIZE, LiteSpeed_Cache_Utility::arr2str( $data ) ) ;
if ( $json === null ) {// admin_api will handle common err
return null ;
}
if ( ! is_array( $json ) ) {
LiteSpeed_Cache_Log::debug( 'Media: Failed to post to LiteSpeed IAPI server ', $json ) ;
$msg = sprintf( __( 'Failed to push to LiteSpeed IAPI server: %s', 'litespeed-cache' ), $json ) ;
LiteSpeed_Cache_Admin_Display::error( $msg ) ;
return null ;
}
// Check data format
if ( empty( $json[ 'pids' ] ) || ! is_array( $json[ 'pids' ] ) ) {
LiteSpeed_Cache_Log::debug( 'Media: Failed to parse data from LiteSpeed IAPI server ', $json[ 'pids' ] ) ;
$msg = sprintf( __( 'Failed to parse data from LiteSpeed IAPI server: %s', 'litespeed-cache' ), $json[ 'pids' ] ) ;
LiteSpeed_Cache_Admin_Display::error( $msg ) ;
return null ;
}
LiteSpeed_Cache_Log::debug( 'Media: posts data from LiteSpeed IAPI server count: ' . count( $json[ 'pids' ] ) ) ;
return $json ;
}
/**
* Send destroy all requests cmd to LiteSpeed IAPI server and get the link to finish it ( avoid click by mistake )
*
* @since 1.6.7
* @access private
*/
private function _img_optimize_destroy()
{
LiteSpeed_Cache_Log::debug( 'Media: sending DESTROY cmd to LiteSpeed IAPI' ) ;
// Mark request time to avoid duplicated request
update_option( self::DB_IMG_OPTIMIZE_DESTROY, time() ) ;
// Push to LiteSpeed IAPI server
$json = LiteSpeed_Cache_Admin_API::post( LiteSpeed_Cache_Admin_API::IAPI_ACTION_REQUEST_DESTROY ) ;
// confirm link will be displayed by Admin_API automatically
if ( is_array( $json ) && $json ) {
LiteSpeed_Cache_Log::debug( 'Media: cmd result', $json ) ;
}
}
/**
* Callback from LiteSpeed IAPI server to destroy all optm data
*
* @since 1.6.7
* @access private
*/
public function img_optimize_destroy_callback()
{
global $wpdb ;
LiteSpeed_Cache_Log::debug( 'Media: excuting DESTROY process' ) ;
$request_time = get_option( self::DB_IMG_OPTIMIZE_DESTROY ) ;
if ( time() - $request_time > 300 ) {
LiteSpeed_Cache_Log::debug( 'Media: terminate DESTROY process due to timeout' ) ;
exit( 'Destroy callback timeout ( 300 seconds )' ) ;
}
// Start deleting files
$q = "SELECT * from $wpdb->postmeta WHERE meta_key = %s" ;
$list = $wpdb->get_results( $wpdb->prepare( $q, array( self::DB_IMG_OPTIMIZE_DATA ) ) ) ;
if ( $list ) {
foreach ( $list as $v ) {
$meta_value_list = unserialize( $v->meta_value ) ;
foreach ( $meta_value_list as $v2 ) {
$src = $v2[ 0 ] ;
$local_file = $this->wp_upload_dir[ 'basedir' ] . '/' . $src ;
// del webp
file_exists( $local_file . '.webp' ) && unlink( $local_file . '.webp' ) ;
file_exists( $local_file . '.optm.webp' ) && unlink( $local_file . '.optm.webp' ) ;
$extension = pathinfo( $local_file, PATHINFO_EXTENSION ) ;
$local_filename = substr( $local_file, 0, - strlen( $extension ) - 1 ) ;
$bk_file = $local_filename . '.bk.' . $extension ;
$bk_optm_file = $local_filename . '.bk.optm.' . $extension ;
// del optimized ori
if ( file_exists( $bk_file ) ) {
unlink( $local_file ) ;
rename( $bk_file, $local_file ) ;
}
file_exists( $bk_optm_file ) && unlink( $bk_optm_file ) ;
}
}
}
// Delete optm info
$q = "DELETE FROM $wpdb->postmeta WHERE meta_key LIKE 'litespeed-optimize%'" ;
$wpdb->query( $q ) ;
// Clear credit info
delete_option( self::DB_IMG_OPTM_SUMMARY ) ;
exit( 'ok' ) ;
}
/**
* Resend requested img to LiteSpeed IAPI server
*
* @since 1.6.7
* @access private
*/
private function _img_optimize_rescan()
{
LiteSpeed_Cache_Log::debug( 'Media: resend requested images' ) ;
$_credit = (int) $this->summary_info( 'credit' ) ;
global $wpdb ;
$q = "SELECT a.post_id, a.meta_value, b.meta_id as bmeta_id, c.meta_id as cmeta_id, c.meta_value as cmeta_value
FROM $wpdb->postmeta a
LEFT JOIN $wpdb->postmeta b ON b.post_id = a.post_id
LEFT JOIN $wpdb->postmeta c ON c.post_id = a.post_id
WHERE a.meta_key = '_wp_attachment_metadata'
AND b.meta_key = %s
AND c.meta_key = %s
LIMIT %d
" ;
$limit_rows = apply_filters( 'litespeed_img_optm_resend_rows', 300 ) ;
$list = $wpdb->get_results( $wpdb->prepare( $q, array( self::DB_IMG_OPTIMIZE_STATUS, self::DB_IMG_OPTIMIZE_DATA, $limit_rows ) ) ) ;
if ( ! $list ) {
LiteSpeed_Cache_Log::debug( 'Media: resend request bypassed: no image found' ) ;
$msg = __( 'No image found.', 'litespeed-cache' ) ;
LiteSpeed_Cache_Admin_Display::error( $msg ) ;
return ;
}
// meta list
$optm_data_list = array() ;
$optm_data_pid2mid_list = array() ;
foreach ( $list as $v ) {
// wp meta
$meta_value = $this->_parse_wp_meta_value( $v ) ;
if ( ! $meta_value ) {
continue ;
}
if ( empty( $meta_value[ 'sizes' ] ) ) {
continue ;
}
$optm_data_pid2mid_list[ $v->post_id ] = array( 'status_mid' => $v->bmeta_id, 'data_mid' => $v->cmeta_id ) ;
// prepare for pushing
$this->tmp_pid = $v->post_id ;
$this->tmp_path = pathinfo( $meta_value[ 'file' ], PATHINFO_DIRNAME ) . '/' ;
// ls optimized meta
$optm_meta = $optm_data_list[ $v->post_id ] = unserialize( $v->cmeta_value ) ;
$optm_list = array() ;
foreach ( $optm_meta as $md5 => $optm_row ) {
$optm_list[] = $optm_row[ 0 ] ;
// only do for requested/notified img
// if ( ! in_array( $optm_row[ 1 ], array( self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED, self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ) ) ) {
// continue ;
// }
}
// check if there is new files from wp meta
$img_queue = array() ;
foreach ( $meta_value[ 'sizes' ] as $v2 ) {
$curr_file = $this->tmp_path . $v2[ 'file' ] ;
// new child file OR not finished yet
if ( ! in_array( $curr_file, $optm_list ) ) {
$img_queue[] = $v2 ;
}
}
// nothing to add
if ( ! $img_queue ) {
continue ;
}
$num_will_incease = count( $img_queue ) ;
if ( $this->_img_total + $num_will_incease > $_credit ) {
LiteSpeed_Cache_Log::debug( 'Media: resend img request hit limit: [total] ' . $this->_img_total . " \t[add] $num_will_incease \t[credit] $_credit" ) ;
break ;
}
foreach ( $img_queue as $v2 ) {
$this->_img_queue( $v2 ) ;
}
}
// push to LiteSpeed IAPI server
if ( empty( $this->_img_in_queue ) ) {
$msg = __( 'No image found.', 'litespeed-cache' ) ;
LiteSpeed_Cache_Admin_Display::succeed( $msg ) ;
return ;
}
$total_groups = count( $this->_img_in_queue ) ;
LiteSpeed_Cache_Log::debug( 'Media: prepared images to push: groups ' . $total_groups . ' images ' . $this->_img_total ) ;
// Push to LiteSpeed IAPI server
$json = $this->_push_img_in_queue_to_ls() ;
if ( $json === null ) {
return ;
}
// Returned data is the requested and notifed images
$pids = $json[ 'pids' ] ;
LiteSpeed_Cache_Log::debug( 'Media: returned data from LiteSpeed IAPI server count: ' . count( $pids ) ) ;
$q = "UPDATE $wpdb->postmeta SET meta_value = %s WHERE meta_id = %d" ;
// Update data
foreach ( $pids as $pid ) {
$md52src_list = $optm_data_list[ $pid ] ;
foreach ( $this->_img_in_queue[ $pid ] as $md5 => $src_data ) {
$md52src_list[ $md5 ] = array( $src_data[ 'file' ], self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ) ;
}
$new_status = $this->_get_status_by_meta_data( $md52src_list, self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ) ;
$md52src_list = serialize( $md52src_list ) ;
// Store data
$wpdb->query( $wpdb->prepare( $q, array( $new_status, $optm_data_pid2mid_list[ $pid ][ 'status_mid' ] ) ) ) ;
$wpdb->query( $wpdb->prepare( $q, array( $md52src_list, $optm_data_pid2mid_list[ $pid ][ 'data_mid' ] ) ) ) ;
}
$accepted_groups = count( $pids ) ;
$accepted_imgs = $json[ 'total' ] ;
$msg = sprintf( __( 'Pushed %1$s groups with %2$s images to LiteSpeed optimization server, accepted %3$s groups with %4$s images.', 'litespeed-cache' ), $total_groups, $this->_img_total, $accepted_groups, $accepted_imgs ) ;
LiteSpeed_Cache_Admin_Display::succeed( $msg ) ;
// Update credit info
if ( isset( $json[ 'credit' ] ) ) {
$this->_update_credit( $json[ 'credit' ] ) ;
}
}
/**
* Push raw img to LiteSpeed IAPI server
*
* @since 1.6
* @access private
*/
private function _img_optimize()
{
$_credit = (int) $this->summary_info( 'credit' ) ;
$credit_recovered = (int) $this->summary_info( 'credit_recovered' ) ;
LiteSpeed_Cache_Log::debug( 'Media preparing images to push' ) ;
global $wpdb ;
// Get images
$q = "SELECT b.post_id, b.meta_value
FROM $wpdb->posts a
LEFT JOIN $wpdb->postmeta b ON b.post_id = a.ID
LEFT JOIN $wpdb->postmeta c ON c.post_id = a.ID AND c.meta_key = %s
WHERE a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png')
AND b.meta_key = '_wp_attachment_metadata'
AND c.post_id IS NULL
ORDER BY a.ID DESC
LIMIT %d
" ;
$q = $wpdb->prepare( $q, array( self::DB_IMG_OPTIMIZE_STATUS, apply_filters( 'litespeed_img_optimize_max_rows', 100 ) ) ) ;
$img_set = array() ;
$list = $wpdb->get_results( $q ) ;
if ( ! $list ) {
LiteSpeed_Cache_Log::debug( 'Media optimize bypass: no image found' ) ;
return ;
}
LiteSpeed_Cache_Log::debug( 'Media found images: ' . count( $list ) ) ;
foreach ( $list as $v ) {
$meta_value = $this->_parse_wp_meta_value( $v ) ;
if ( ! $meta_value ) {
continue ;
}
/**
* Only send 500 images one time
* @since 1.6.3
* @since 1.6.5 use credit limit
*/
$num_will_incease = 1 ;
if ( ! empty( $meta_value[ 'sizes' ] ) ) {
$num_will_incease += count( $meta_value[ 'sizes' ] ) ;
}
if ( $this->_img_total + $num_will_incease > $_credit ) {
if ( ! $this->_img_total ) {
$msg = sprintf( __( 'Number of images in one image group (%s) exceeds the credit (%s)', 'litespeed-cache' ), $num_will_incease, $_credit ) ;
LiteSpeed_Cache_Admin_Display::error( $msg ) ;
}
LiteSpeed_Cache_Log::debug( 'Media img request hit limit: [total] ' . $this->_img_total . " \t[add] $num_will_incease \t[credit] $_credit" ) ;
break ;
}
/**
* Check if need to test run ( new user only allow 1 group at first time)
* @since 1.6.6.1
*/
if ( $this->_img_total && ! $credit_recovered ) {
LiteSpeed_Cache_Log::debug( 'Media: test run only allow 1 group ' ) ;
break ;
}
// push orig image to queue
$this->tmp_pid = $v->post_id ;
$this->tmp_path = pathinfo( $meta_value[ 'file' ], PATHINFO_DIRNAME ) . '/' ;
$this->_img_queue( $meta_value, true ) ;
if ( ! empty( $meta_value[ 'sizes' ] ) ) {
array_map( array( $this, '_img_queue' ), $meta_value[ 'sizes' ] ) ;
}
}
// push to LiteSpeed IAPI server
if ( empty( $this->_img_in_queue ) ) {
$msg = __( 'No image found.', 'litespeed-cache' ) ;
LiteSpeed_Cache_Admin_Display::succeed( $msg ) ;
return ;
}
$total_groups = count( $this->_img_in_queue ) ;
LiteSpeed_Cache_Log::debug( 'Media prepared images to push: groups ' . $total_groups . ' images ' . $this->_img_total ) ;
// Push to LiteSpeed IAPI server
$json = $this->_push_img_in_queue_to_ls() ;
if ( $json === null ) {
return ;
}
$pids = $json[ 'pids' ] ;
// Exclude those who have meta already
$q = "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = %s and post_id in ( " . implode( ',', array_fill( 0, count( $pids ), '%s' ) ) . " )" ;
$tmp = $wpdb->get_results( $wpdb->prepare( $q, array_merge( array( self::DB_IMG_OPTIMIZE_STATUS ), $pids ) ) ) ;
$exists_pids = array() ;
foreach ( $tmp as $v ) {
$exists_pids[] = $v->post_id ;
}
if ( $exists_pids ) {
LiteSpeed_Cache_Log::debug( 'Media: existing posts data from LiteSpeed IAPI server count: ' . count( $exists_pids ) ) ;
}
$pids = array_diff( $pids, $exists_pids ) ;
if ( ! $pids ) {
LiteSpeed_Cache_Log::debug( 'Media: Failed to store data from LiteSpeed IAPI server with empty pids' ) ;
LiteSpeed_Cache_Admin_Display::error( __( 'Post data is empty.', 'litespeed-cache' ) ) ;
return ;
}
LiteSpeed_Cache_Log::debug( 'Media: diff posts data from LiteSpeed IAPI server count: ' . count( $pids ) ) ;
$q = "INSERT INTO $wpdb->postmeta ( post_id, meta_key, meta_value ) VALUES " ;
$data_to_add = array() ;
foreach ( $pids as $pid ) {
$data_to_add[] = $pid ;
$data_to_add[] = self::DB_IMG_OPTIMIZE_STATUS ;
$data_to_add[] = self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ;
$data_to_add[] = $pid ;
$data_to_add[] = self::DB_IMG_OPTIMIZE_DATA ;
$md52src_list = array() ;
foreach ( $this->_img_in_queue[ $pid ] as $md5 => $src_data ) {
$md52src_list[ $md5 ] = array( $src_data[ 'file' ], self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ) ;
}
$data_to_add[] = serialize( $md52src_list ) ;
}
// Add placeholder
$q .= implode( ',', array_map(
function( $el ) { return '(' . implode( ',', $el ) . ')' ; },
array_chunk( array_fill( 0, count( $data_to_add ), '%s' ), 3 )
) ) ;
// Store data
$wpdb->query( $wpdb->prepare( $q, $data_to_add ) ) ;
$accepted_groups = count( $pids ) ;
$accepted_imgs = $json[ 'total' ] ;
$msg = sprintf( __( 'Pushed %1$s groups with %2$s images to LiteSpeed optimization server, accepted %3$s groups with %4$s images.', 'litespeed-cache' ), $total_groups, $this->_img_total, $accepted_groups, $accepted_imgs ) ;
LiteSpeed_Cache_Admin_Display::succeed( $msg ) ;
// Update credit info
if ( isset( $json[ 'credit' ] ) ) {
$this->_update_credit( $json[ 'credit' ] ) ;
}
}
/**
* Add a new img to queue which will be pushed to LiteSpeed
*
* @since 1.6
* @access private
*/
private function _img_queue( $meta_value, $ori_file = false )
{
if ( empty( $meta_value[ 'file' ] ) || empty( $meta_value[ 'width' ] ) || empty( $meta_value[ 'height' ] ) ) {
LiteSpeed_Cache_Log::debug2( 'Media bypass image due to lack of file/w/h: pid ' . $this->tmp_pid, $meta_value ) ;
return ;
}
if ( ! $ori_file ) {
$meta_value[ 'file' ] = $this->tmp_path . $meta_value[ 'file' ] ;
}
// check file exists or not
$real_file = $this->wp_upload_dir[ 'basedir' ] . '/' . $meta_value[ 'file' ] ;
if ( ! file_exists( $real_file ) ) {
LiteSpeed_Cache_Log::debug2( 'Media bypass image due to file not exist: pid ' . $this->tmp_pid . ' ' . $real_file ) ;
return ;
}
LiteSpeed_Cache_Log::debug2( 'Media adding image: pid ' . $this->tmp_pid ) ;
$img_info = array(
'url' => $this->wp_upload_dir[ 'baseurl' ] . '/' . $meta_value[ 'file' ],
'file' => $meta_value[ 'file' ], // not needed in LiteSpeed sapi, just leave for local storage after post
'width' => $meta_value[ 'width' ],
'height' => $meta_value[ 'height' ],
'mime_type' => ! empty( $meta_value[ 'mime-type' ] ) ? $meta_value[ 'mime-type' ] : '' ,
) ;
$md5 = md5_file( $real_file ) ;
if ( empty( $this->_img_in_queue[ $this->tmp_pid ] ) ) {
$this->_img_in_queue[ $this->tmp_pid ] = array() ;
}
$this->_img_in_queue[ $this->tmp_pid ][ $md5 ] = $img_info ;
$this->_img_total ++ ;
}
/**
* Update client credit info
*
* @since 1.6.5
* @access private
*/
private function _update_credit( $credit )
{
$summary = get_option( self::DB_IMG_OPTM_SUMMARY, array() ) ;
$summary[ 'credit' ] = $credit ;
update_option( self::DB_IMG_OPTM_SUMMARY, $summary ) ;
}
/**
* Get optm summary
*
* @since 1.6.5
* @access public
*/
public function summary_info( $field = false )
{
$optm_summary = get_option( self::DB_IMG_OPTM_SUMMARY, array() ) ;
if ( ! $field ) {
return $optm_summary ;
}
return ! empty( $optm_summary[ $field ] ) ? $optm_summary[ $field ] : 0 ;
}
/**
* Count images
*
* @since 1.6
* @access public
*/
public function img_count()
{
global $wpdb ;
$q = "SELECT count(*)
FROM $wpdb->posts a
LEFT JOIN $wpdb->postmeta b ON b.post_id = a.ID
WHERE a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png')
AND b.meta_key = '_wp_attachment_metadata'
" ;
// $q = "SELECT count(*) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'inherit' AND post_mime_type IN ('image/jpeg', 'image/png') " ;
$total_img = $wpdb->get_var( $q ) ;
$q = "SELECT count(*)
FROM $wpdb->posts a
LEFT JOIN $wpdb->postmeta b ON b.post_id = a.ID
LEFT JOIN $wpdb->postmeta c ON c.post_id = a.ID
WHERE a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png')
AND b.meta_key = '_wp_attachment_metadata'
AND c.meta_key = %s
AND c.meta_value= %s
" ;
$total_requested = $wpdb->get_var( $wpdb->prepare( $q, array( self::DB_IMG_OPTIMIZE_STATUS, self::DB_IMG_OPTIMIZE_STATUS_REQUESTED ) ) ) ;
$total_server_finished = $wpdb->get_var( $wpdb->prepare( $q, array( self::DB_IMG_OPTIMIZE_STATUS, self::DB_IMG_OPTIMIZE_STATUS_NOTIFIED ) ) ) ;
$total_pulled = $wpdb->get_var( $wpdb->prepare( $q, array( self::DB_IMG_OPTIMIZE_STATUS, self::DB_IMG_OPTIMIZE_STATUS_PULLED ) ) ) ;
$total_err = $wpdb->get_var( $wpdb->prepare( $q, array( self::DB_IMG_OPTIMIZE_STATUS, self::DB_IMG_OPTIMIZE_STATUS_ERR ) ) ) ;
$q = "SELECT count(*)
FROM $wpdb->posts a
LEFT JOIN $wpdb->postmeta b ON b.post_id = a.ID
LEFT JOIN $wpdb->postmeta c ON c.post_id = a.ID AND c.meta_key = %s
WHERE a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png')
AND b.meta_key = '_wp_attachment_metadata'
AND c.post_id IS NULL
" ;
$total_not_requested = $wpdb->get_var( $wpdb->prepare( $q, array( self::DB_IMG_OPTIMIZE_STATUS ) ) ) ;
return array(
'total_img' => $total_img,
'total_not_requested' => $total_not_requested,
'total_requested' => $total_requested,
'total_err' => $total_err,
'total_server_finished' => $total_server_finished,
'total_pulled' => $total_pulled,
) ;
}
/**
* Run lazy load process
* NOTE: As this is after cache finalized, can NOT set any cache control anymore
*
* Only do for main page. Do NOT do for esi or dynamic content.
*
* @since 1.4
* @access public
* @return string The buffer
*/
public static function finalize( $content )
{
if ( defined( 'LITESPEED_NO_LAZY' ) ) {
LiteSpeed_Cache_Log::debug2( 'Media bypass: NO_LAZY const' ) ;
return $content ;
}
if ( ! defined( 'LITESPEED_IS_HTML' ) ) {
LiteSpeed_Cache_Log::debug2( 'Media bypass: Not frontend HTML type' ) ;
return $content ;
}
LiteSpeed_Cache_Log::debug( 'Media finalize' ) ;
$instance = self::get_instance() ;
$instance->content = $content ;
$instance->_finalize() ;
return $instance->content ;
}
/**
* Run lazyload replacement for images in buffer
*
* @since 1.4
* @access private
*/
private function _finalize()
{
$cfg_img_lazy = LiteSpeed_Cache::config( LiteSpeed_Cache_Config::OPID_MEDIA_IMG_LAZY ) ;
$cfg_iframe_lazy = LiteSpeed_Cache::config( LiteSpeed_Cache_Config::OPID_MEDIA_IFRAME_LAZY ) ;
if ( $cfg_img_lazy ) {
list( $src_list, $html_list ) = $this->_parse_img() ;
$html_list_ori = $html_list ;
}
/**
* Use webp for optimized images
* @since 1.6.2
*/
if ( $this->cfg_img_webp && $this->webp_support() ) {
$this->_replace_buffer_img_webp() ;
}
// image lazy load
if ( $cfg_img_lazy ) {
$placeholder = LiteSpeed_Cache::config( LiteSpeed_Cache_Config::OPID_MEDIA_IMG_LAZY_PLACEHOLDER ) ?: LITESPEED_PLACEHOLDER ;
foreach ( $html_list as $k => $v ) {
$snippet = '<noscript>' . $v . '</noscript>' ;
$v = str_replace( array( ' src=', ' srcset=', ' sizes=' ), array( ' data-src=', ' data-srcset=', ' data-sizes=' ), $v ) ;
$v = str_replace( '<img ', '<img data-lazyloaded="1" src="' . $placeholder . '" ', $v ) ;
$snippet = $v . $snippet ;
$html_list[ $k ] = $snippet ;
}
}
if ( $cfg_img_lazy ) {
$this->content = str_replace( $html_list_ori, $html_list, $this->content ) ;
}
// iframe lazy load
if ( $cfg_iframe_lazy ) {
$html_list = $this->_parse_iframe() ;
$html_list_ori = $html_list ;
foreach ( $html_list as $k => $v ) {
$snippet = '<noscript>' . $v . '</noscript>' ;
$v = str_replace( ' src=', ' data-src=', $v ) ;
$v = str_replace( '<iframe ', '<iframe data-lazyloaded="1" src="about:blank" ', $v ) ;
$snippet = $v . $snippet ;
$html_list[ $k ] = $snippet ;
}
$this->content = str_replace( $html_list_ori, $html_list, $this->content ) ;
}
// Include lazyload lib js and init lazyload
if ( $cfg_img_lazy || $cfg_iframe_lazy ) {
$lazy_lib_url = LiteSpeed_Cache_Utility::get_permalink_url( self::LAZY_LIB ) ;
$this->content = str_replace( '</body>', '<script src="' . $lazy_lib_url . '"></script></body>', $this->content ) ;
}
}
/**
* Parse img src
*
* @since 1.4
* @access private
* @return array All the src & related raw html list
*/
private function _parse_img()
{
/**
* Exclude list
* @since 1.5
*/
$excludes = apply_filters( 'litespeed_cache_media_lazy_img_excludes', get_option( LiteSpeed_Cache_Config::ITEM_MEDIA_LAZY_IMG_EXC ) ) ;
if ( $excludes ) {
$excludes = explode( "\n", $excludes ) ;
}
$src_list = array() ;
$html_list = array() ;
$content = preg_replace( '#<!--.*-->#sU', '', $this->content ) ;
preg_match_all( '#<img \s*([^>]+)/?>#isU', $content, $matches, PREG_SET_ORDER ) ;
foreach ( $matches as $match ) {
$attrs = LiteSpeed_Cache_Utility::parse_attr( $match[ 1 ] ) ;
if ( empty( $attrs[ 'src' ] ) ) {
continue ;
}
/**
* Add src validation to bypass base64 img src
* @since 1.6
*/
if ( strpos( $attrs[ 'src' ], 'base64' ) !== false || substr( $attrs[ 'src' ], 0, 5 ) === 'data:' ) {
LiteSpeed_Cache_Log::debug2( 'Media bypassed base64 img' ) ;
continue ;
}
LiteSpeed_Cache_Log::debug2( 'Media: found: ' . $attrs[ 'src' ] ) ;
if ( ! empty( $attrs[ 'data-no-lazy' ] ) || ! empty( $attrs[ 'data-lazyloaded' ] ) || ! empty( $attrs[ 'data-src' ] ) || ! empty( $attrs[ 'data-srcset' ] ) ) {
LiteSpeed_Cache_Log::debug2( 'Media bypassed' ) ;
continue ;
}
/**
* Exclude from lazyload by setting
* @since 1.5
*/
if ( $excludes && LiteSpeed_Cache_Utility::str_hit_array( $attrs[ 'src' ], $excludes ) ) {
LiteSpeed_Cache_Log::debug2( 'Media: lazyload image exclude ' . $attrs[ 'src' ] ) ;
continue ;
}
// to avoid multiple replacement
if ( in_array( $match[ 0 ], $html_list ) ) {
continue ;
}
$src_list[] = $attrs[ 'src' ] ;
$html_list[] = $match[ 0 ] ;
}
return array( $src_list, $html_list ) ;
}
/**
* Parse iframe src
*
* @since 1.4
* @access private
* @return array All the src & related raw html list
*/
private function _parse_iframe()
{
$html_list = array() ;
$content = preg_replace( '#<!--.*-->#sU', '', $this->content ) ;
preg_match_all( '#<iframe \s*([^>]+)></iframe>#isU', $content, $matches, PREG_SET_ORDER ) ;
foreach ( $matches as $match ) {
$attrs = LiteSpeed_Cache_Utility::parse_attr( $match[ 1 ] ) ;
if ( empty( $attrs[ 'src' ] ) ) {
continue ;
}
LiteSpeed_Cache_Log::debug2( 'Media found iframe: ' . $attrs[ 'src' ] ) ;
if ( ! empty( $attrs[ 'data-no-lazy' ] ) || ! empty( $attrs[ 'data-lazyloaded' ] ) || ! empty( $attrs[ 'data-src' ] ) ) {
LiteSpeed_Cache_Log::debug2( 'Media bypassed' ) ;
continue ;
}
// to avoid multiple replacement
if ( in_array( $match[ 0 ], $html_list ) ) {
continue ;
}
$html_list[] = $match[ 0 ] ;
}
return $html_list ;
}
/**
* Replace image src to webp
*
* @since 1.6.2
* @access private
*/
private function _replace_buffer_img_webp()
{
preg_match_all( '#<img([^>]+?)src=([\'"\\\]*)([^\'"\s\\\>]+)([\'"\\\]*)([^>]*)>#i', $this->content, $matches ) ;
foreach ( $matches[ 3 ] as $k => $url ) {
// Check if is a DATA-URI
if ( strpos( $url, 'data:image' ) !== false ) {
continue ;
}
if ( ! $url2 = $this->_replace_webp( $url ) ) {
continue ;
}
$html_snippet = sprintf(
'<img %1$s src=%2$s %3$s>',
$matches[ 1 ][ $k ],
$matches[ 2 ][ $k ] . $url2 . $matches[ 4 ][ $k ],
$matches[ 5 ][ $k ]
) ;
$this->content = str_replace( $matches[ 0 ][ $k ], $html_snippet, $this->content ) ;
}
}
/**
* Hook to wp_get_attachment_image_src
*
* @since 1.6.2
* @access public
* @param array $img The URL of the attachment image src, the width, the height
* @return array
*/
public function webp_attach_img_src( $img )
{
LiteSpeed_Cache_Log::debug2( 'Media changing attach src: ' . $img[0] ) ;
if ( $img && $url = $this->_replace_webp( $img[ 0 ] ) ) {
$img[ 0 ] = $url ;
}
return $img ;
}
/**
* Try to replace img url
*
* @since 1.6.2
* @access public
* @param string $url
* @return string
*/
public function webp_url( $url )
{
if ( $url && $url2 = $this->_replace_webp( $url ) ) {
$url = $url2 ;
}
return $url ;
}
/**
* Hook to replace WP responsive images
*
* @since 1.6.2
* @access public
* @param array $srcs
* @return array
*/
public function webp_srcset( $srcs )
{
if ( $srcs ) {
foreach ( $srcs as $w => $data ) {
if( ! $url = $this->_replace_webp( $data[ 'url' ] ) ) {
continue ;
}
$srcs[ $w ][ 'url' ] = $url ;
}
}
return $srcs ;
}
/**
* Replace internal image src to webp
*
* @since 1.6.2
* @access private
*/
private function _replace_webp( $url )
{
LiteSpeed_Cache_Log::debug2( 'Media: webp replacing: ' . $url ) ;
if ( LiteSpeed_Cache_Utility::is_internal_file( $url ) ) {
// check if has webp file
if ( LiteSpeed_Cache_Utility::is_internal_file( $url . '.webp' ) ) {
$url .= '.webp' ;
}
else {
LiteSpeed_Cache_Log::debug2( 'Media: no WebP file, bypassed' ) ;
return false ;
}
}
else {
LiteSpeed_Cache_Log::debug2( 'Media: no file, bypassed' ) ;
return false ;
}
return $url ;
}
/**
* Get the current instance object.
*
* @since 1.4
* @access public
* @return Current class instance.
*/
public static function get_instance()
{
if ( ! isset( self::$_instance ) ) {
self::$_instance = new self() ;
}
return self::$_instance ;
}
}