<?php

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/**

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* The class to operate media data.

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*

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* @since 1.4

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* @since 1.5 Moved into /inc

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* @package Core

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* @subpackage Core/inc

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* @author LiteSpeed Technologies <info@litespeedtech.com>

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*/

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namespace LiteSpeed;

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defined('WPINC') || exit();

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class Media extends Root

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{

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const LOG_TAG = '📺';

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const LIB_FILE_IMG_LAZYLOAD = 'assets/js/lazyload.min.js';

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private $content;

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private $_wp_upload_dir;

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private $_vpi_preload_list = array();

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/**

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* Init

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*

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* @since 1.4

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*/

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public function __construct()

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{

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Debug2::debug2('[Media] init');

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$this->_wp_upload_dir = wp_upload_dir();

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}

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/**

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* Init optm features

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*

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* @since 3.0

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* @access public

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*/

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public function init()

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{

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if (is_admin()) {

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return;

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}

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// Due to ajax call doesn't send correct accept header, have to limit webp to HTML only

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if (defined('LITESPEED_GUEST_OPTM') || $this->conf(Base::O_IMG_OPTM_WEBP)) {

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if ($this->webp_support()) {

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// Hook to srcset

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if (function_exists('wp_calculate_image_srcset')) {

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add_filter('wp_calculate_image_srcset', array($this, 'webp_srcset'), 988);

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}

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// Hook to mime icon

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// add_filter( 'wp_get_attachment_image_src', array( $this, 'webp_attach_img_src' ), 988 );// todo: need to check why not

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// add_filter( 'wp_get_attachment_url', array( $this, 'webp_url' ), 988 ); // disabled to avoid wp-admin display

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}

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}

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if ($this->conf(Base::O_MEDIA_LAZY) && !$this->cls('Metabox')->setting('litespeed_no_image_lazy')) {

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self::debug('Suppress default WP lazyload');

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add_filter('wp_lazy_loading_enabled', '__return_false');

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}

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/**

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* Replace gravatar

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* @since 3.0

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*/

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$this->cls('Avatar');

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add_filter('litespeed_buffer_finalize', array($this, 'finalize'), 4);

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add_filter('litespeed_optm_html_head', array($this, 'finalize_head'));

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}

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/**

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* Add featured image to head

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*/

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public function finalize_head($content)

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{

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global $wp_query;

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// <link rel="preload" as="image" href="xx">

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if ($this->_vpi_preload_list) {

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foreach ($this->_vpi_preload_list as $v) {

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$content .= '<link rel="preload" as="image" href="' . $v . '">';

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}

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}

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// $featured_image_url = get_the_post_thumbnail_url();

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// if ($featured_image_url) {

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// self::debug('Append featured image to head: ' . $featured_image_url);

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// if ((defined('LITESPEED_GUEST_OPTM') || $this->conf(Base::O_IMG_OPTM_WEBP)) && $this->webp_support()) {

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// $featured_image_url = $this->replace_webp($featured_image_url) ?: $featured_image_url;

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// }

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// }

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// }

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return $content;

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}

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/**

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* Adjust WP default JPG quality

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*

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* @since 3.0

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* @access public

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*/

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public function adjust_jpg_quality($quality)

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{

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$v = $this->conf(Base::O_IMG_OPTM_JPG_QUALITY);

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if ($v) {

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return $v;

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}

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return $quality;

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}

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/**

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* Register admin menu

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*

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* @since 1.6.3

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* @access public

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*/

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public function after_admin_init()

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{

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/**

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* JPG quality control

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* @since 3.0

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*/

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add_filter('jpeg_quality', array($this, 'adjust_jpg_quality'));

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add_filter('manage_media_columns', array($this, 'media_row_title'));

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add_filter('manage_media_custom_column', array($this, 'media_row_actions'), 10, 2);

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add_action('litespeed_media_row', array($this, 'media_row_con'));

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// Hook to attachment delete action

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add_action('delete_attachment', __CLASS__ . '::delete_attachment');

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}

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/**

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* Media delete action hook

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*

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* @since 2.4.3

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* @access public

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*/

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public static function delete_attachment($post_id)

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{

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// if (!Data::cls()->tb_exist('img_optm')) {

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// return;

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// }

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self::debug('delete_attachment [pid] ' . $post_id);

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Img_Optm::cls()->reset_row($post_id);

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}

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/**

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* Return media file info if exists

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*

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* This is for remote attachment plugins

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*

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* @since 2.9.8

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* @access public

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*/

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public function info($short_file_path, $post_id)

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{

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$short_file_path = wp_normalize_path($short_file_path);

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$basedir = $this->_wp_upload_dir['basedir'] . '/';

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if (strpos($short_file_path, $basedir) === 0) {

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$short_file_path = substr($short_file_path, strlen($basedir));

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}

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$real_file = $basedir . $short_file_path;

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if (file_exists($real_file)) {

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return array(

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'url' => $this->_wp_upload_dir['baseurl'] . '/' . $short_file_path,

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'md5' => md5_file($real_file),

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'size' => filesize($real_file),

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);

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}

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/**

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* WP Stateless compatibility #143 https://github.com/litespeedtech/lscache_wp/issues/143

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* @since 2.9.8

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* @return array( 'url', 'md5', 'size' )

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*/

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$info = apply_filters('litespeed_media_info', array(), $short_file_path, $post_id);

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if (!empty($info['url']) && !empty($info['md5']) && !empty($info['size'])) {

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return $info;

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}

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return false;

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}

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/**

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* Delete media file

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*

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* @since 2.9.8

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* @access public

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*/

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public function del($short_file_path, $post_id)

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{

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$real_file = $this->_wp_upload_dir['basedir'] . '/' . $short_file_path;

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if (file_exists($real_file)) {

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unlink($real_file);

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self::debug('deleted ' . $real_file);

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}

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do_action('litespeed_media_del', $short_file_path, $post_id);

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}

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/**

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* Rename media file

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*

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* @since 2.9.8

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* @access public

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*/

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public function rename($short_file_path, $short_file_path_new, $post_id)

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{

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// self::debug('renaming ' . $short_file_path . ' -> ' . $short_file_path_new);

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$real_file = $this->_wp_upload_dir['basedir'] . '/' . $short_file_path;

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$real_file_new = $this->_wp_upload_dir['basedir'] . '/' . $short_file_path_new;

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if (file_exists($real_file)) {

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rename($real_file, $real_file_new);

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self::debug('renamed ' . $real_file . ' to ' . $real_file_new);

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}

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do_action('litespeed_media_rename', $short_file_path, $short_file_path_new, $post_id);

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}

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/**

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* Media Admin Menu -> Image Optimization Column Title

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*

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* @since 1.6.3

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* @access public

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*/

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public function media_row_title($posts_columns)

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{

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$posts_columns['imgoptm'] = __('LiteSpeed Optimization', 'litespeed-cache');

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return $posts_columns;

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}

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/**

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* Media Admin Menu -> Image Optimization Column

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*

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* @since 1.6.2

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* @access public

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*/

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public function media_row_actions($column_name, $post_id)

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{

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if ($column_name !== 'imgoptm') {

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return;

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}

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do_action('litespeed_media_row', $post_id);

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}

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/**

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* Display image optm info

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*

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* @since 3.0

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*/

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public function media_row_con($post_id)

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{

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$att_info = wp_get_attachment_metadata($post_id);

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if (empty($att_info['file'])) {

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return;

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}

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$short_path = $att_info['file'];

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$size_meta = get_post_meta($post_id, Img_Optm::DB_SIZE, true);

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echo '<p>';

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// Original image info

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if ($size_meta && !empty($size_meta['ori_saved'])) {

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$percent = ceil(($size_meta['ori_saved'] * 100) / $size_meta['ori_total']);

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$extension = pathinfo($short_path, PATHINFO_EXTENSION);

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$bk_file = substr($short_path, 0, -strlen($extension)) . 'bk.' . $extension;

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$bk_optm_file = substr($short_path, 0, -strlen($extension)) . 'bk.optm.' . $extension;

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$link = Utility::build_url(Router::ACTION_IMG_OPTM, 'orig' . $post_id);

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$desc = false;

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$cls = '';

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if ($this->info($bk_file, $post_id)) {

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$curr_status = __('(optm)', 'litespeed-cache');

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$desc = __('Currently using optimized version of file.', 'litespeed-cache') . '&#10;' . __('Click to switch to original (unoptimized) version.', 'litespeed-cache');

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} elseif ($this->info($bk_optm_file, $post_id)) {

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$cls .= ' litespeed-warning';

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$curr_status = __('(non-optm)', 'litespeed-cache');

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$desc = __('Currently using original (unoptimized) version of file.', 'litespeed-cache') . '&#10;' . __('Click to switch to optimized version.', 'litespeed-cache');

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}

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echo GUI::pie_tiny(

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$percent,

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24,

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sprintf(__('Original file reduced by %1$s (%2$s)', 'litespeed-cache'), $percent . '%', Utility::real_size($size_meta['ori_saved'])),

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'left'

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);

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echo sprintf(__('Orig saved %s', 'litespeed-cache'), $percent . '%');

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if ($desc) {

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echo sprintf(

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' <a href="%1$s" class="litespeed-media-href %2$s" data-balloon-pos="left" data-balloon-break aria-label="%3$s">%4$s</a>',

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$link,

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$cls,

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$desc,

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$curr_status

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);

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} else {

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echo sprintf(

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' <span class="litespeed-desc" data-balloon-pos="left" data-balloon-break aria-label="%1$s">%2$s</span>',

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__('Using optimized version of file. ', 'litespeed-cache') . '&#10;' . __('No backup of original file exists.', 'litespeed-cache'),

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__('(optm)', 'litespeed-cache')

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);

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}

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} elseif ($size_meta && $size_meta['ori_saved'] === 0) {

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echo GUI::pie_tiny(0, 24, __('Congratulation! Your file was already optimized', 'litespeed-cache'), 'left');

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echo sprintf(__('Orig %s', 'litespeed-cache'), '<span class="litespeed-desc">' . __('(no savings)', 'litespeed-cache') . '</span>');

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} else {

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echo __('Orig', 'litespeed-cache') . '<span class="litespeed-left10">—</span>';

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}

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echo '</p>';

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[335] Fix | Delete

echo '<p>';

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// WebP info

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if ($size_meta && !empty($size_meta['webp_saved'])) {

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$percent = ceil(($size_meta['webp_saved'] * 100) / $size_meta['webp_total']);

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$link = Utility::build_url(Router::ACTION_IMG_OPTM, 'webp' . $post_id);

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$desc = false;

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$cls = '';

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if ($this->info($short_path . '.webp', $post_id)) {

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$curr_status = __('(optm)', 'litespeed-cache');

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$desc =

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__('Currently using optimized version of WebP file.', 'litespeed-cache') .

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'&#10;' .

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__('Click to switch to original (unoptimized) version.', 'litespeed-cache');

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} elseif ($this->info($short_path . '.optm.webp', $post_id)) {

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$cls .= ' litespeed-warning';

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$curr_status = __('(non-optm)', 'litespeed-cache');

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$desc =

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__('Currently using original (unoptimized) version of WebP file.', 'litespeed-cache') .

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'&#10;' .

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__('Click to switch to optimized version.', 'litespeed-cache');

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}

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echo GUI::pie_tiny(

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$percent,

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24,

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sprintf(__('WebP file reduced by %1$s (%2$s)', 'litespeed-cache'), $percent . '%', Utility::real_size($size_meta['webp_saved'])),

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'left'

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);

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echo sprintf(__('WebP saved %s', 'litespeed-cache'), $percent . '%');

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if ($desc) {

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echo sprintf(

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' <a href="%1$s" class="litespeed-media-href %2$s" data-balloon-pos="left" data-balloon-break aria-label="%3$s">%4$s</a>',

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$link,

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$cls,

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$desc,

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$curr_status

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);

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} else {

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echo sprintf(

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' <span class="litespeed-desc" data-balloon-pos="left" data-balloon-break aria-label="%1$s">%2$s</span>',

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__('Using optimized version of file. ', 'litespeed-cache') . '&#10;' . __('No backup of unoptimized WebP file exists.', 'litespeed-cache'),

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__('(optm)', 'litespeed-cache')

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);

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}

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} else {

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echo __('WebP', 'litespeed-cache') . '<span class="litespeed-left10">—</span>';

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}

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echo '</p>';

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// Delete row btn

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if ($size_meta) {

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echo sprintf(

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'<div class="row-actions"><span class="delete"><a href="%1$s" class="">%2$s</a></span></div>',

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Utility::build_url(Router::ACTION_IMG_OPTM, Img_Optm::TYPE_RESET_ROW, false, null, array('id' => $post_id)),

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__('Restore from backup', 'litespeed-cache')

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);

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echo '</div>';

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}

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}

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[400] Fix | Delete

/**

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* Get wp size info

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*

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* NOTE: this is not used because it has to be after admin_init

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*

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* @since 1.6.2

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* @return array $sizes Data for all currently-registered image sizes.

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*/

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public function get_image_sizes()

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{

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global $_wp_additional_image_sizes;

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$sizes = array();

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foreach (get_intermediate_image_sizes() as $_size) {

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if (in_array($_size, array('thumbnail', 'medium', 'medium_large', 'large'))) {

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$sizes[$_size]['width'] = get_option($_size . '_size_w');

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$sizes[$_size]['height'] = get_option($_size . '_size_h');

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$sizes[$_size]['crop'] = (bool) get_option($_size . '_crop');

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} elseif (isset($_wp_additional_image_sizes[$_size])) {

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$sizes[$_size] = array(

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'width' => $_wp_additional_image_sizes[$_size]['width'],

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'height' => $_wp_additional_image_sizes[$_size]['height'],

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'crop' => $_wp_additional_image_sizes[$_size]['crop'],

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);

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}

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}

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return $sizes;

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}

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[430] Fix | Delete

/**

[431] Fix | Delete

* Exclude role from optimization filter

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*

[433] Fix | Delete

* @since 1.6.2

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* @access public

[435] Fix | Delete

*/

[436] Fix | Delete

public function webp_support()

[437] Fix | Delete

{

[438] Fix | Delete

if (!empty($_SERVER['HTTP_ACCEPT']) && strpos($_SERVER['HTTP_ACCEPT'], 'image/webp') !== false) {

[439] Fix | Delete

return true;

[440] Fix | Delete

}

[441] Fix | Delete

[442] Fix | Delete

if (!empty($_SERVER['HTTP_USER_AGENT'])) {

[443] Fix | Delete

$user_agents = array('chrome-lighthouse', 'googlebot', 'page speed');

[444] Fix | Delete

foreach ($user_agents as $user_agent) {

[445] Fix | Delete

if (stripos($_SERVER['HTTP_USER_AGENT'], $user_agent) !== false) {

[446] Fix | Delete

return true;

[447] Fix | Delete

}

[448] Fix | Delete

}

[449] Fix | Delete

[450] Fix | Delete

if (preg_match('/iPhone OS (\d+)_/i', $_SERVER['HTTP_USER_AGENT'], $matches)) {

[451] Fix | Delete

$lscwp_ios_version = $matches[1];

[452] Fix | Delete

if ($lscwp_ios_version >= 14) {

[453] Fix | Delete

return true;

[454] Fix | Delete

}

[455] Fix | Delete

}

[456] Fix | Delete

}

[457] Fix | Delete

[458] Fix | Delete

return false;

[459] Fix | Delete

}

[460] Fix | Delete

[461] Fix | Delete

/**

[462] Fix | Delete

* Run lazy load process

[463] Fix | Delete

* NOTE: As this is after cache finalized, can NOT set any cache control anymore

[464] Fix | Delete

*

[465] Fix | Delete

* Only do for main page. Do NOT do for esi or dynamic content.

[466] Fix | Delete

*

[467] Fix | Delete

* @since 1.4

[468] Fix | Delete

* @access public

[469] Fix | Delete

* @return string The buffer

[470] Fix | Delete

*/

[471] Fix | Delete

public function finalize($content)

[472] Fix | Delete

{

[473] Fix | Delete

if (defined('LITESPEED_NO_LAZY')) {

[474] Fix | Delete

Debug2::debug2('[Media] bypass: NO_LAZY const');

[475] Fix | Delete

return $content;

[476] Fix | Delete

}

[477] Fix | Delete

[478] Fix | Delete

if (!defined('LITESPEED_IS_HTML')) {

[479] Fix | Delete

Debug2::debug2('[Media] bypass: Not frontend HTML type');

[480] Fix | Delete

return $content;

[481] Fix | Delete

}

[482] Fix | Delete

[483] Fix | Delete

if (!Control::is_cacheable()) {

[484] Fix | Delete

self::debug('bypass: Not cacheable');

[485] Fix | Delete

return $content;

[486] Fix | Delete

}

[487] Fix | Delete

[488] Fix | Delete

self::debug('finalize');

[489] Fix | Delete

[490] Fix | Delete

$this->content = $content;

[491] Fix | Delete

$this->_finalize();

[492] Fix | Delete

return $this->content;

[493] Fix | Delete

}

[494] Fix | Delete

[495] Fix | Delete

/**

[496] Fix | Delete

* Run lazyload replacement for images in buffer

[497] Fix | Delete

*

[498] Fix | Delete

* @since 1.4

[499] Fix | Delete