Файловый менеджер

Файловый менеджер - Редактировать - /var/www/xthruster/html/wp-content/plugins/optimole-wp/inc/lazyload_replacer.php

Назад
<?php /** * The class handles the img tag replacements for lazyload. * * @package \Optml\Inc * @author Optimole <friends@optimole.com> / final class Optml_Lazyload_Replacer extends Optml_App_Replacer { use Optml_Normalizer; use Optml_Validator; const IFRAME_PLACEHOLDER_CLASS = ' iframe[data-opt-src]:not([data-opt-lazy-loaded]) { background-color: #ffffff; background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2240%22%20height%3D%2240%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20style%3D%22-webkit-transform-origin%3A50%25%2050%25%3B-webkit-animation%3Aspin%201.5s%20linear%20infinite%3B-webkit-backface-visibility%3Ahidden%3Banimation%3Aspin%201.5s%20linear%20infinite%22%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20stroke-linejoin%3D%22round%22%20stroke-miterlimit%3D%221.414%22%3E%3Cdefs%3E%3Cstyle%3E%3C%21%5BCDATA%5B%40-webkit-keyframes%20spin%7Bfrom%7B-webkit-transform%3Arotate%280deg%29%7Dto%7B-webkit-transform%3Arotate%28-359deg%29%7D%7D%40keyframes%20spin%7Bfrom%7Btransform%3Arotate%280deg%29%7Dto%7Btransform%3Arotate%28-359deg%29%7D%7D%5D%5D%3E%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cg%20id%3D%22outer%22%3E%3Cpath%20d%3D%22M20%200a3.994%203.994%200%20110%207.988A3.994%203.994%200%200120%200z%22%2F%3E%3Cpath%20d%3D%22M5.858%205.858a3.994%203.994%200%20115.648%205.648%203.994%203.994%200%2001-5.648-5.648z%22%20fill%3D%22%23d2d2d2%22%2F%3E%3Cpath%20d%3D%22M20%2032.012A3.994%203.994%200%201120%2040a3.994%203.994%200%20010-7.988z%22%20fill%3D%22%23828282%22%2F%3E%3Cpath%20d%3D%22M28.494%2028.494a3.994%203.994%200%20115.648%205.648%203.994%203.994%200%2001-5.648-5.648z%22%20fill%3D%22%23656565%22%2F%3E%3Cpath%20d%3D%22M3.994%2016.006a3.994%203.994%200%20110%207.988%203.994%203.994%200%20010-7.988z%22%20fill%3D%22%23bbb%22%2F%3E%3Cpath%20d%3D%22M5.858%2028.494a3.994%203.994%200%20115.648%205.648%203.994%203.994%200%2001-5.648-5.648z%22%20fill%3D%22%23a4a4a4%22%2F%3E%3Cpath%20d%3D%22M36.006%2016.006a3.994%203.994%200%20110%207.988%203.994%203.994%200%20010-7.988z%22%20fill%3D%22%234a4a4a%22%2F%3E%3Cpath%20d%3D%22M28.494%205.858a3.994%203.994%200%20115.648%205.648%203.994%203.994%200%2001-5.648-5.648z%22%20fill%3D%22%23323232%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E"); background-repeat: no-repeat; background-position: 50% 50%; } video[data-opt-src]:not([data-opt-lazy-loaded]) { background-color: #ffffff; background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2240%22%20height%3D%2240%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20style%3D%22-webkit-transform-origin%3A50%25%2050%25%3B-webkit-animation%3Aspin%201.5s%20linear%20infinite%3B-webkit-backface-visibility%3Ahidden%3Banimation%3Aspin%201.5s%20linear%20infinite%22%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20stroke-linejoin%3D%22round%22%20stroke-miterlimit%3D%221.414%22%3E%3Cdefs%3E%3Cstyle%3E%3C%21%5BCDATA%5B%40-webkit-keyframes%20spin%7Bfrom%7B-webkit-transform%3Arotate%280deg%29%7Dto%7B-webkit-transform%3Arotate%28-359deg%29%7D%7D%40keyframes%20spin%7Bfrom%7Btransform%3Arotate%280deg%29%7Dto%7Btransform%3Arotate%28-359deg%29%7D%7D%5D%5D%3E%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cg%20id%3D%22outer%22%3E%3Cpath%20d%3D%22M20%200a3.994%203.994%200%20110%207.988A3.994%203.994%200%200120%200z%22%2F%3E%3Cpath%20d%3D%22M5.858%205.858a3.994%203.994%200%20115.648%205.648%203.994%203.994%200%2001-5.648-5.648z%22%20fill%3D%22%23d2d2d2%22%2F%3E%3Cpath%20d%3D%22M20%2032.012A3.994%203.994%200%201120%2040a3.994%203.994%200%20010-7.988z%22%20fill%3D%22%23828282%22%2F%3E%3Cpath%20d%3D%22M28.494%2028.494a3.994%203.994%200%20115.648%205.648%203.994%203.994%200%2001-5.648-5.648z%22%20fill%3D%22%23656565%22%2F%3E%3Cpath%20d%3D%22M3.994%2016.006a3.994%203.994%200%20110%207.988%203.994%203.994%200%20010-7.988z%22%20fill%3D%22%23bbb%22%2F%3E%3Cpath%20d%3D%22M5.858%2028.494a3.994%203.994%200%20115.648%205.648%203.994%203.994%200%2001-5.648-5.648z%22%20fill%3D%22%23a4a4a4%22%2F%3E%3Cpath%20d%3D%22M36.006%2016.006a3.994%203.994%200%20110%207.988%203.994%203.994%200%20010-7.988z%22%20fill%3D%22%234a4a4a%22%2F%3E%3Cpath%20d%3D%22M28.494%205.858a3.994%203.994%200%20115.648%205.648%203.994%203.994%200%2001-5.648-5.648z%22%20fill%3D%22%23323232%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E"); background-repeat: no-repeat; background-position: 50% 50%; }'; const IFRAME_PLACEHOLDER_STYLE = '<style type="text/css">' . self::IFRAME_PLACEHOLDER_CLASS . '</style>'; const IFRAME_TEMP_COMMENT = '/* optmliframelazyloadplaceholder /'; const SVG_PLACEHOLDER = 'data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20#width#%20#height#%22%20width%3D%22#width#%22%20height%3D%22#height#%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22#width#%22%20height%3D%22#height#%22%20fill%3D%22#fill#%22%2F%3E%3C%2Fsvg%3E'; /* * If frame lazyload is present on page. * * @var bool Whether or not at least one iframe has been lazyloaded. / private static $found_iframe = false; /* * Cached object instance. * * @var Optml_Lazyload_Replacer / protected static $instance = null; /* * Holds the number of images to skip from lazyload. * * @var integer The number image tags to skip. / private static $skip_lazyload_images = null; /* * Holds classes for listening to lazyload on background. * * @var array Lazyload background classes. / private static $lazyload_background_classes = null; /* * Selectors used for background lazyload. * * @var array Lazyload background CSS selectors. / private static $background_lazyload_selectors = null; /* * Holds flags which remove noscript tag bundle causing issues on render, i.e slider plugins. * * @var array Noscript flags. / private static $ignore_no_script_flags = null; /* * Holds possible iframe lazyload flags where we should ignore our lazyload. * * @var array / protected static $iframe_lazyload_flags = null; /* * Holds classes responsabile for watching lazyload behaviour. * * @var array Lazyload classes. / private static $lazyload_watcher_classes = null; /* * Should we use the generic placeholder? * * @var bool Lazyload placeholder flag. / private static $is_lazyload_placeholder = false; /* * Class instance method. * * @codeCoverageIgnore * @static * @return Optml_Lazyload_Replacer * @since 1.0.0 * @access public / public static function instance() { if ( null === self::$instance ) { self::$instance = new self(); add_action( 'optml_replacer_setup', [ self::$instance, 'init' ] ); } return self::$instance; } /* * Return lazyload selectors for background images. * * @return array Lazyload selectors. / public static function get_background_lazyload_selectors() { if ( null !== self::$background_lazyload_selectors ) { return self::$background_lazyload_selectors; } if ( self::instance()->settings->get( 'bg_replacer' ) === 'disabled' ) { self::$background_lazyload_selectors = []; return self::$background_lazyload_selectors; } $default_watchers = [ '.elementor-section[data-settings="background_background"]', '.elementor-section > .elementor-background-overlay', '[class="wp-block-cover"][style="background-image"]', '[class="wp-block-group"][style="background-image"]', ]; $saved_watchers = self::instance()->settings->get_watchers(); $saved_watchers = str_replace( [ "\n", "\r" ], ',', $saved_watchers ); $saved_watchers = explode( ',', $saved_watchers ); $all_watchers = array_merge( $default_watchers, $saved_watchers ); $all_watchers = apply_filters( 'optml_lazyload_bg_selectors', $all_watchers ); $all_watchers = array_filter( $all_watchers, function ( $value ) { return ! empty( $value ) && strlen( $value ) >= 2; } ); self::$background_lazyload_selectors = $all_watchers; return self::$background_lazyload_selectors; } /** * Returns background classes for lazyload. * * @return array / public static function get_lazyload_bg_classes() { if ( null !== self::$lazyload_background_classes ) { return self::$lazyload_background_classes; } self::$lazyload_background_classes = apply_filters( 'optml_lazyload_bg_classes', [] ); return self::$lazyload_background_classes; } /* * Returns the number of images to skip from lazyload. * * @return integer / public static function get_skip_lazyload_limit() { if ( self::$skip_lazyload_images !== null ) { return self::$skip_lazyload_images; } self::$skip_lazyload_images = apply_filters( 'optml_lazyload_images_skip', self::instance()->settings->get( 'skip_lazyload_images' ) ); return self::$skip_lazyload_images; } /* * Returns classes for lazyload additional watch. * * @return array / public static function get_watcher_lz_classes() { if ( null !== self::$lazyload_watcher_classes ) { return self::$lazyload_watcher_classes; } self::$lazyload_watcher_classes = apply_filters( 'optml_watcher_lz_classes', [] ); return self::$lazyload_watcher_classes; } /* * The initialize method. / public function init() { parent::init(); if ( ! $this->settings->use_lazyload() ) { return; } $filters = $this->settings->get_filters(); if ( ! Optml_Filters::should_do_page( $filters[ Optml_Settings::FILTER_TYPE_LAZYLOAD ][ Optml_Settings::FILTER_URL ], $filters[ Optml_Settings::FILTER_TYPE_LAZYLOAD ][ Optml_Settings::FILTER_URL_MATCH ] ) ) { return; } self::$is_lazyload_placeholder = self::$instance->settings->get( 'lazyload_placeholder' ) === 'enabled'; add_filter( 'optml_tag_replace', [ $this, 'lazyload_tag_replace' ], 2, 6 ); add_filter( 'optml_video_replace', [ $this, 'lazyload_video_replace' ], 2, 1 ); } /* * Check if there are lazyloaded iframes. * * @return bool Whether an iframe was lazyloaded on the page or not. / public static function found_iframe() { return self::$found_iframe; } /* * Check if the img tag should be lazyloaded early. * * @param string $image_tag The image tag. * @return bool Whether the image tag should be lazyloaded early or not. / public function should_lazyload_early( $image_tag ) { $flags = apply_filters( 'optml_lazyload_early_flags', [] ); foreach ( $flags as $flag ) { if ( strpos( $image_tag, $flag ) !== false ) { return true; } } return false; } /* * Replaces the tags with lazyload tags. * * @param string $new_tag The new tag. * @param string $original_url The original URL. * @param string $new_url The optimized URL. * @param array $optml_args Options passed for URL optimization. * @param bool $is_slashed If the url needs slashes. * @param string $full_tag Full tag, wrapper included. * * @return string / public function lazyload_tag_replace( $new_tag, $original_url, $new_url, $optml_args, $is_slashed = false, $full_tag = '' ) { if ( ! $this->can_lazyload_for( $original_url, $full_tag ) ) { return Optml_Tag_Replacer::instance()->regular_tag_replace( $new_tag, $original_url, $new_url, $optml_args, $is_slashed ); } if ( self::instance()->settings->get( 'native_lazyload' ) === 'enabled' ) { if ( strpos( $new_tag, 'loading=' ) === false ) { $new_tag = preg_replace( '/<img/im', $is_slashed ? '<img loading=\"lazy\"' : '<img loading="lazy"', $new_tag ); } return $new_tag; } $should_ignore_rescale = ! $this->is_valid_mimetype_from_url( $original_url, [ 'gif' => true, 'svg' => true ] ); if ( ! self::$is_lazyload_placeholder && ! $should_ignore_rescale ) { $optml_args['quality'] = 'eco'; $optml_args['resize'] = []; $low_url = apply_filters( 'optml_content_url', $original_url, $optml_args ); $low_url = $is_slashed ? addcslashes( $low_url, '/' ) : $low_url; } else { $low_url = $this->get_svg_for( isset( $optml_args['width'] ) ? $optml_args['width'] : '100%', isset( $optml_args['height'] ) ? $optml_args['height'] : '100%', ( $should_ignore_rescale ? null : $original_url ) ); } $opt_format = ''; if ( $this->should_add_data_tag( $full_tag ) ) { $opt_format = ' data-opt-src="%s" '; $custom_class = ''; if ( $should_ignore_rescale ) { $custom_class .= 'optimole-lazy-only '; } if ( $this->should_lazyload_early( $full_tag ) ) { $custom_class .= 'optimole-load-early'; } if ( ! empty( $custom_class ) ) { if ( strpos( $new_tag, 'class=' ) === false ) { $opt_format .= ' class="' . $custom_class . '" '; } else { $new_tag = str_replace( ( $is_slashed ? 'class=\"' : 'class="' ), ( $is_slashed ? 'class=\"' . $custom_class . ' ' : 'class="' . $custom_class . ' ' ), $new_tag ); } } $opt_format = $is_slashed ? addslashes( $opt_format ) : $opt_format; } $new_url = $is_slashed ? addcslashes( $new_url, '/' ) : $new_url; $opt_src = sprintf( $opt_format, $new_url ); $no_script_tag = str_replace( $original_url, $new_url, $new_tag ); $new_tag = preg_replace( [ '/((?:\s\|\'\|"){1,}src(?>=\|"\|\'\|\s\|\\\\))' . preg_quote( $original_url, '/' ) . '/m', '/<img/im', ], [ "$1$low_url", '<img' . $opt_src, ], $new_tag, 1 ); // We remove srcset and sizes attributes since our lazyload does not need them. $pattern = '/\s+(?:srcset\|sizes)=("[^"]"\|\'[^\']\'\|\\\\"[^\\\\"]\\\\")/i'; $new_tag = preg_replace( $pattern, '', $new_tag ); // We keep this for srcset lazyload compatibility that might break our mechanism. $new_tag = str_replace( 'srcset=', 'old-srcset=', $new_tag ); if ( ! $this->should_add_noscript( $new_tag ) ) { return $new_tag; } return $new_tag . '<noscript>' . $no_script_tag . '</noscript>'; } /* * Replaces video embeds with lazyload embeds. * * @param string $content Html page content. * * @return string / public function lazyload_video_replace( $content ) { $video_tags = []; $iframes = []; $videos = []; preg_match_all( '#(?:<noscript\s>\s)?<iframe(.?)></iframe>(?:\s</noscript\s>)?#is', $content, $iframes ); preg_match_all( '#(?:<noscript\s>\s)?<video(.?)>.?</video>(?:\s</noscript\s>)?#is', $content, $videos ); $video_tags = array_merge( $iframes[0], $videos[0] ); $search = []; $replace = []; foreach ( $video_tags as $video_tag ) { if ( ! $this->should_lazyload_iframe( $video_tag ) ) { continue; } if ( preg_match( "/ data-opt-src=['\"]/is", $video_tag ) ) { continue; } $should_add_noscript = true; $original_tag = $video_tag; // replace the src and add the data-opt-src attribute if ( strpos( $video_tag, 'iframe' ) !== false ) { $video_tag = preg_replace( '/iframe(.?)src=/is', 'iframe$1 src="about:blank" data-opt-src=', $video_tag ); } elseif ( strpos( $video_tag, 'video' ) !== false ) { if ( strpos( $video_tag, 'source' ) !== false ) { if ( strpos( $video_tag, 'preload' ) === false ) { $video_tag = preg_replace( '/video(.?)>/is', 'video$1 preload="metadata">', $video_tag, 1 ); $should_add_noscript = false; } else { continue; } } else { $video_tag = preg_replace( '/video(.?)src=/is', 'video$1 data-opt-src=', $video_tag ); } } if ( $this->should_add_noscript( $video_tag ) && $should_add_noscript ) { $video_tag .= '<noscript>' . $original_tag . '</noscript>'; } array_push( $search, $original_tag ); array_push( $replace, $video_tag ); self::$found_iframe = true; } $search = array_unique( $search ); $replace = array_unique( $replace ); $content = str_replace( $search, $replace, $content ); return $content; } /* * Check if the lazyload is allowed for this url. * * @param string $url Url. * @param string $tag Html tag. * * @return bool We can lazyload? / public function can_lazyload_for( $url, $tag = '' ) { foreach ( self::possible_lazyload_flags() as $banned_string ) { if ( strpos( $tag, $banned_string ) !== false ) { return false; } } if ( false === Optml_Filters::should_do_image( $url, self::$filters[ Optml_Settings::FILTER_TYPE_LAZYLOAD ][ Optml_Settings::FILTER_FILENAME ] ) ) { return false; } $url = strtok( $url, '?' ); $type = wp_check_filetype( basename( $url ), Optml_Config::$image_extensions ); if ( empty( $type['ext'] ) ) { return false; } if ( false === Optml_Filters::should_do_extension( self::$filters[ Optml_Settings::FILTER_TYPE_LAZYLOAD ][ Optml_Settings::FILTER_EXT ], $type['ext'] ) ) { return false; } if ( defined( 'OPTML_DISABLE_PNG_LAZYLOAD' ) && OPTML_DISABLE_PNG_LAZYLOAD ) { return $type['ext'] !== 'png'; } if ( Optml_Tag_Replacer::$lazyload_skipped_images < self::get_skip_lazyload_limit() ) { return false; } return true; } /* * Check if we should add the data-opt-tag. * * @param string $tag Html tag. * * @return bool Should add? / public function should_add_data_tag( $tag ) { foreach ( self::possible_data_ignore_flags() as $banned_string ) { if ( strpos( $tag, $banned_string ) !== false ) { return false; } } return true; } /* * Get SVG markup with specific width/height. * * @param int\|string $width Markup Width. * @param int\|string $height Markup Height. * @param string\|null $url Original URL. * * @return string SVG code. / public function get_svg_for( $width, $height, $url = null ) { if ( $url !== null && ! is_numeric( $width ) ) { $url = strtok( $url, '?' ); $key = crc32( $url ); $sizes = wp_cache_get( $key, 'optml_sources' ); if ( $sizes === false ) { $filepath = substr( $url, strpos( $url, $this->upload_resource['content_folder'] ) + $this->upload_resource['content_folder_length'] ); $filepath = WP_CONTENT_DIR . $filepath; if ( is_file( $filepath ) ) { $sizes = getimagesize( $filepath ); wp_cache_add( $key, [ $sizes[0], $sizes[1] ], 'optml_sources', DAY_IN_SECONDS ); } } list( $width, $height ) = $sizes; } $width = ! is_numeric( $width ) ? '100%' : $width; $height = ! is_numeric( $height ) ? '100%' : $height; $fill = $this->settings->get( 'placeholder_color' ); if ( empty( $fill ) ) { $fill = 'transparent'; } return str_replace( [ '#width#', '#height#', '#fill#' ], [ $width, $height, urlencode( $fill ), ], self::SVG_PLACEHOLDER ); } /* * Check if we should add the noscript tag. * * @param string $tag Html tag. * * @return bool Should add? / public function should_add_noscript( $tag ) { if ( $this->settings->get( 'no_script' ) === 'disabled' ) { return false; } foreach ( self::get_ignore_noscript_flags() as $banned_string ) { if ( strpos( $tag, $banned_string ) !== false ) { return false; } } return true; } /* * Check if we should lazyload iframe. * * @param string $tag Html tag. * * @return bool Should add? / public function should_lazyload_iframe( $tag ) { foreach ( self::get_iframe_lazyload_flags() as $banned_string ) { if ( strpos( $tag, $banned_string ) !== false ) { return false; } } return true; } /* * Returns flags for ignoring noscript tag additional watch. * * @return array / public static function get_ignore_noscript_flags() { if ( null !== self::$ignore_no_script_flags ) { return self::$ignore_no_script_flags; } self::$ignore_no_script_flags = apply_filters( 'optml_ignore_noscript_on', [] ); return self::$ignore_no_script_flags; } /* * Returns possible lazyload flags for iframes. * * @return array / public static function get_iframe_lazyload_flags() { if ( null !== self::$iframe_lazyload_flags ) { return self::$iframe_lazyload_flags; } self::$iframe_lazyload_flags = self::possible_lazyload_flags(); self::$iframe_lazyload_flags = array_merge( self::$iframe_lazyload_flags, apply_filters( 'optml_iframe_lazyload_flags', [ 'gform_ajax_frame', '<noscript', 'recaptcha', '-src' ] ) ); return self::$iframe_lazyload_flags; } /* * Throw error on object clone * * The whole idea of the singleton design pattern is that there is a single * object therefore, we don't want the object to be cloned. * * @codeCoverageIgnore * @access public * @return void * @since 1.0.0 / public function __clone() { // Cloning instances of the class is forbidden. _doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'optimole-wp' ), '1.0.0' ); } /* * Disable unserializing of the class * * @codeCoverageIgnore * @access public * @return void * @since 1.0.0 */ public function __wakeup() { // Unserializing instances of the class is forbidden. _doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'optimole-wp' ), '1.0.0' ); } }

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