FM / src

/home/sitetest/makie/homedir/public_html/wp-content/plugins/litespeed-cache/src/

/home/sitetest/makie/homedir/public_html/wp-content/plugins/litespeed-cache/src

Name	Size	Mode	Actions
cdn/	-	0755	rm
data_structure/	-	0755	rm
activation.cls.php	17855	0644	edit dl rm
admin-display.cls.php	49274	0644	edit dl rm
admin-settings.cls.php	11383	0644	edit dl rm
admin.cls.php	5167	0644	edit dl rm
api.cls.php	10687	0644	edit dl rm
avatar.cls.php	8890	0644	edit dl rm
base.cls.php	35410	0644	edit dl rm
cdn.cls.php	16300	0644	edit dl rm
cloud.cls.php	67375	0644	edit dl rm
conf.cls.php	19999	0644	edit dl rm
control.cls.php	24933	0644	edit dl rm
core.cls.php	21519	0644	edit dl rm
crawler-map.cls.php	19894	0644	edit dl rm
crawler.cls.php	43208	0644	edit dl rm
css.cls.php	15637	0644	edit dl rm
data.cls.php	16886	0644	edit dl rm
data.upgrade.func.php	3147	0644	edit dl rm
db-optm.cls.php	10589	0644	edit dl rm
debug2.cls.php	14510	0644	edit dl rm
doc.cls.php	4164	0644	edit dl rm
error.cls.php	7560	0644	edit dl rm
esi.cls.php	27834	0644	edit dl rm
file.cls.php	10823	0644	edit dl rm
gui.cls.php	37379	0644	edit dl rm
health.cls.php	2899	0644	edit dl rm
htaccess.cls.php	24578	0644	edit dl rm
img-optm.cls.php	66693	0644	edit dl rm
import.cls.php	4395	0644	edit dl rm
import.preset.cls.php	5633	0644	edit dl rm
lang.cls.php	15421	0644	edit dl rm
localization.cls.php	3522	0644	edit dl rm
media.cls.php	41337	0644	edit dl rm
metabox.cls.php	5444	0644	edit dl rm
object-cache-wp.cls.php	25259	0644	edit dl rm
object-cache.cls.php	20788	0644	edit dl rm
object.lib.php	13629	0644	edit dl rm
optimize.cls.php	39591	0644	edit dl rm
optimizer.cls.php	9640	0644	edit dl rm
placeholder.cls.php	14527	0644	edit dl rm
purge.cls.php	34765	0644	edit dl rm
report.cls.php	6266	0644	edit dl rm
rest.cls.php	8844	0644	edit dl rm
root.cls.php	14323	0644	edit dl rm
router.cls.php	21062	0644	edit dl rm
str.cls.php	3226	0644	edit dl rm
tag.cls.php	9481	0644	edit dl rm
task.cls.php	6279	0644	edit dl rm
tool.cls.php	4318	0644	edit dl rm
ucss.cls.php	14719	0644	edit dl rm
utility.cls.php	22285	0644	edit dl rm
vary.cls.php	20686	0644	edit dl rm
vpi.cls.php	9588	0644	edit dl rm

Edit: /home/sitetest/makie/homedir/public_html/wp-content/plugins/litespeed-cache/src/cdn.cls.php (16300B)

<?php
/**
 * CDN handling for LiteSpeed Cache.
 *
 * Rewrites eligible asset URLs to configured CDN endpoints and integrates with WordPress filters.
 *
 * @since 1.2.3
 * @package LiteSpeed
 */

namespace LiteSpeed;

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

/**
 * Class CDN
 *
 * Processes page content and WordPress asset URLs to map to CDN domains according to settings.
 */
class CDN extends Root {
	const LOG_TAG = '[CDN]';

const BYPASS = 'LITESPEED_BYPASS_CDN';

/**
	 * The working HTML/content buffer being processed.
	 *
	 * @var string
	 */
	private $content;

/**
	 * Whether CDN feature is enabled.
	 *
	 * @var bool
	 */
	private $_cfg_cdn;

/**
	 * List of original site URLs (may include wildcards) to be replaced.
	 *
	 * @var string[]
	 */
	private $_cfg_url_ori;

/**
	 * List of directories considered internal/original for CDN rewriting.
	 *
	 * @var string[]
	 */
	private $_cfg_ori_dir;

/**
	 * CDN mapping rules; keys include mapping kinds or file extensions, values are URL(s).
	 *
	 * @var array<string,string|string[]>
	 */
	private $_cfg_cdn_mapping = [];

/**
	 * List of URL substrings/regex used to exclude items from CDN.
	 *
	 * @var string[]
	 */
	private $_cfg_cdn_exclude;

/**
	 * Hosts used by CDN mappings for quick membership checks.
	 *
	 * @var string[]
	 */
	private $cdn_mapping_hosts = [];

/**
	 * Initialize CDN integration and register filters if enabled.
	 *
	 * @since 1.2.3
	 * @return void
	 */
	public function init() {
		self::debug2( 'init' );

if ( defined( self::BYPASS ) ) {
			self::debug2( 'CDN bypass' );
			return;
		}

if ( ! Router::can_cdn() ) {
			if ( ! defined( self::BYPASS ) ) {
				define( self::BYPASS, true );
			}
			return;
		}

$this->_cfg_cdn = $this->conf( Base::O_CDN );
		if ( ! $this->_cfg_cdn ) {
			if ( ! defined( self::BYPASS ) ) {
				define( self::BYPASS, true );
			}
			return;
		}

$this->_cfg_url_ori = $this->conf( Base::O_CDN_ORI );
		// Parse cdn mapping data to array( 'filetype' => 'url' )
		$mapping_to_check = [ Base::CDN_MAPPING_INC_IMG, Base::CDN_MAPPING_INC_CSS, Base::CDN_MAPPING_INC_JS ];
		foreach ( $this->conf( Base::O_CDN_MAPPING ) as $v ) {
			if ( ! $v[ Base::CDN_MAPPING_URL ] ) {
				continue;
			}
			$this_url  = $v[ Base::CDN_MAPPING_URL ];
			$this_host = wp_parse_url( $this_url, PHP_URL_HOST );
			// Check img/css/js
			foreach ( $mapping_to_check as $to_check ) {
				if ( $v[ $to_check ] ) {
					self::debug2( 'mapping ' . $to_check . ' -> ' . $this_url );

// If filetype to url is one to many, make url be an array
					$this->_append_cdn_mapping( $to_check, $this_url );

if ( ! in_array( $this_host, $this->cdn_mapping_hosts, true ) ) {
						$this->cdn_mapping_hosts[] = $this_host;
					}
				}
			}
			// Check file types
			if ( $v[ Base::CDN_MAPPING_FILETYPE ] ) {
				foreach ( $v[ Base::CDN_MAPPING_FILETYPE ] as $v2 ) {
					$this->_cfg_cdn_mapping[ Base::CDN_MAPPING_FILETYPE ] = true;

// If filetype to url is one to many, make url be an array
					$this->_append_cdn_mapping( $v2, $this_url );

if ( ! in_array( $this_host, $this->cdn_mapping_hosts, true ) ) {
						$this->cdn_mapping_hosts[] = $this_host;
					}
				}
				self::debug2( 'mapping ' . implode( ',', $v[ Base::CDN_MAPPING_FILETYPE ] ) . ' -> ' . $this_url );
			}
		}

if ( ! $this->_cfg_url_ori || ! $this->_cfg_cdn_mapping ) {
			if ( ! defined( self::BYPASS ) ) {
				define( self::BYPASS, true );
			}
			return;
		}

$this->_cfg_ori_dir = $this->conf( Base::O_CDN_ORI_DIR );
		// In case user customized upload path
		if ( defined( 'UPLOADS' ) ) {
			$this->_cfg_ori_dir[] = UPLOADS;
		}

// Check if need preg_replace
		$this->_cfg_url_ori = Utility::wildcard2regex( $this->_cfg_url_ori );

$this->_cfg_cdn_exclude = $this->conf( Base::O_CDN_EXC );

if ( ! empty( $this->_cfg_cdn_mapping[ Base::CDN_MAPPING_INC_IMG ] ) ) {
			// Hook to srcset
			if ( function_exists( 'wp_calculate_image_srcset' ) ) {
				add_filter( 'wp_calculate_image_srcset', [ $this, 'srcset' ], 999 );
			}
			// Hook to mime icon
			add_filter( 'wp_get_attachment_image_src', [ $this, 'attach_img_src' ], 999 );
			add_filter( 'wp_get_attachment_url', [ $this, 'url_img' ], 999 );
		}

if ( ! empty( $this->_cfg_cdn_mapping[ Base::CDN_MAPPING_INC_CSS ] ) ) {
			add_filter( 'style_loader_src', [ $this, 'url_css' ], 999 );
		}

if ( ! empty( $this->_cfg_cdn_mapping[ Base::CDN_MAPPING_INC_JS ] ) ) {
			add_filter( 'script_loader_src', [ $this, 'url_js' ], 999 );
		}

add_filter( 'litespeed_buffer_finalize', [ $this, 'finalize' ], 30 );
	}

/**
	 * Associate all filetypes with CDN URL.
	 *
	 * @since 2.0
	 * @access private
	 *
	 * @param string $filetype Mapping key (e.g., extension or mapping constant).
	 * @param string $url      CDN base URL to use for this mapping.
	 * @return void
	 */
	private function _append_cdn_mapping( $filetype, $url ) {
		// If filetype to url is one to many, make url be an array
		if ( empty( $this->_cfg_cdn_mapping[ $filetype ] ) ) {
			$this->_cfg_cdn_mapping[ $filetype ] = $url;
		} elseif ( is_array( $this->_cfg_cdn_mapping[ $filetype ] ) ) {
			// Append url to filetype
			$this->_cfg_cdn_mapping[ $filetype ][] = $url;
		} else {
			// Convert _cfg_cdn_mapping from string to array
			$this->_cfg_cdn_mapping[ $filetype ] = [ $this->_cfg_cdn_mapping[ $filetype ], $url ];
		}
	}

/**
	 * Whether the given type is included in CDN mappings.
	 *
	 * @since 1.6.2.1
	 *
	 * @param string $type 'css' or 'js'.
	 * @return bool True if included in CDN.
	 */
	public function inc_type( $type ) {
		if ( 'css' === $type && ! empty( $this->_cfg_cdn_mapping[ Base::CDN_MAPPING_INC_CSS ] ) ) {
			return true;
		}

if ( 'js' === $type && ! empty( $this->_cfg_cdn_mapping[ Base::CDN_MAPPING_INC_JS ] ) ) {
			return true;
		}

return false;
	}

/**
	 * Run CDN processing on finalized buffer.
	 * NOTE: After cache finalized, cannot change cache control.
	 *
	 * @since 1.2.3
	 * @access public
	 *
	 * @param string $content The HTML/content buffer.
	 * @return string The processed content.
	 */
	public function finalize( $content ) {
		$this->content = $content;

$this->_finalize();
		return $this->content;
	}

/**
	 * Replace eligible URLs with CDN URLs in the working buffer.
	 *
	 * @since 1.2.3
	 * @access private
	 * @return void
	 */
	private function _finalize() {
		if ( defined( self::BYPASS ) ) {
			return;
		}

self::debug( 'CDN _finalize' );

// Start replacing img src
		if ( ! empty( $this->_cfg_cdn_mapping[ Base::CDN_MAPPING_INC_IMG ] ) ) {
			$this->_replace_img();
			$this->_replace_inline_css();
		}

if ( ! empty( $this->_cfg_cdn_mapping[ Base::CDN_MAPPING_FILETYPE ] ) ) {
			$this->_replace_file_types();
		}
	}

/**
	 * Parse all file types and replace according to configured attributes.
	 *
	 * @since 1.2.3
	 * @access private
	 * @return void
	 */
	private function _replace_file_types() {
		$ele_to_check = $this->conf( Base::O_CDN_ATTR );

foreach ( $ele_to_check as $v ) {
			if ( ! $v || false === strpos( $v, '.' ) ) {
				self::debug2( 'replace setting bypassed: no . attribute ' . $v );
				continue;
			}

self::debug2( 'replace attribute ' . $v );

$v    = explode( '.', $v );
			$attr = preg_quote( $v[1], '#' );
			if ( $v[0] ) {
				$pattern = '#<' . preg_quote( $v[0], '#' ) . '([^>]+)' . $attr . '=([\'"])(.+)\g{2}#iU';
			} else {
				$pattern = '# ' . $attr . '=([\'"])(.+)\g{1}#iU';
			}

preg_match_all( $pattern, $this->content, $matches );

if (empty($matches[$v[0] ? 3 : 2])) {
				continue;
			}

foreach ($matches[$v[0] ? 3 : 2] as $k2 => $url) {
				// self::debug2( 'check ' . $url );
				$postfix = '.' . pathinfo((string) wp_parse_url($url, PHP_URL_PATH), PATHINFO_EXTENSION);
				if (!array_key_exists($postfix, $this->_cfg_cdn_mapping)) {
					// self::debug2( 'non-existed postfix ' . $postfix );
					continue;
				}

self::debug2( 'matched file_type ' . $postfix . ' : ' . $url );

$url2 = $this->rewrite( $url, Base::CDN_MAPPING_FILETYPE, $postfix );
				if ( ! $url2 ) {
					continue;
				}

$attr_str      = str_replace( $url, $url2, $matches[0][ $k2 ] );
				$this->content = str_replace( $matches[0][ $k2 ], $attr_str, $this->content );
			}
		}
	}

/**
	 * Parse all images and replace their src attributes.
	 *
	 * @since 1.2.3
	 * @access private
	 * @return void
	 */
	private function _replace_img() {
		preg_match_all( '#<img([^>]+?)src=([\'"\\\]*)([^\'"\s\\\>]+)([\'"\\\]*)([^>]*)>#i', $this->content, $matches );
		foreach ( $matches[3] as $k => $url ) {
			// Check if is a DATA-URI
			if ( false !== strpos( $url, 'data:image' ) ) {
				continue;
			}

$url2 = $this->rewrite( $url, Base::CDN_MAPPING_INC_IMG );
			if ( ! $url2 ) {
				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 );
		}
	}

/**
	 * Parse and replace all inline styles containing url().
	 *
	 * @since 1.2.3
	 * @access private
	 * @return void
	 */
	private function _replace_inline_css() {
		self::debug2( '_replace_inline_css', $this->_cfg_cdn_mapping );

/**
		 * Excludes `\` from URL matching
		 *
		 * @see  #959152 - WordPress LSCache CDN Mapping causing malformed URLS
		 * @see  #685485
		 * @since 3.0
		 */
		preg_match_all( '/url$(?![\'"]?data)[\'"]?(.+?)[\'"]?$/i', $this->content, $matches );
		foreach ( $matches[1] as $k => $url ) {
			$url = str_replace( [ ' ', '\t', '\n', '\r', '\0', '\x0B', '"', "'", '&quot;', '&#039;' ], '', $url );

// Parse file postfix
			$parsed_url = wp_parse_url( $url, PHP_URL_PATH );
			if ( ! $parsed_url ) {
				continue;
			}

$postfix = '.' . pathinfo( $parsed_url, PATHINFO_EXTENSION );
			if ( array_key_exists( $postfix, $this->_cfg_cdn_mapping ) ) {
				self::debug2( 'matched file_type ' . $postfix . ' : ' . $url );
				$url2 = $this->rewrite( $url, Base::CDN_MAPPING_FILETYPE, $postfix );
				if ( ! $url2 ) {
					continue;
				}
			} elseif ( in_array( $postfix, [ 'jpg', 'jpeg', 'png', 'gif', 'svg', 'webp', 'avif' ], true ) ) {
				$url2 = $this->rewrite( $url, Base::CDN_MAPPING_INC_IMG );
				if ( ! $url2 ) {
					continue;
				}
			} else {
				continue;
			}

$attr          = str_replace( $matches[1][ $k ], $url2, $matches[0][ $k ] );
			$this->content = str_replace( $matches[0][ $k ], $attr, $this->content );
		}

self::debug2( '_replace_inline_css done' );
	}

/**
	 * Filter: wp_get_attachment_image_src.
	 *
	 * @since 1.2.3
	 * @since 1.7 Removed static from function.
	 * @access public
	 *
	 * @param array{0:string,1:int,2:int} $img The URL of the attachment image src, the width, the height.
	 * @return array{0:string,1:int,2:int}
	 */
	public function attach_img_src( $img ) {
		if ( $img ) {
			$url = $this->rewrite( $img[0], Base::CDN_MAPPING_INC_IMG );
			if ( $url ) {
				$img[0] = $url;
			}
		}
		return $img;
	}

/**
	 * Try to rewrite one image URL with CDN.
	 *
	 * @since 1.7
	 * @access public
	 *
	 * @param string $url Original URL.
	 * @return string URL after rewriting, or original if not applicable.
	 */
	public function url_img( $url ) {
		if ( $url ) {
			$url2 = $this->rewrite( $url, Base::CDN_MAPPING_INC_IMG );
			if ( $url2 ) {
				$url = $url2;
			}
		}
		return $url;
	}

/**
	 * Try to rewrite one CSS URL with CDN.
	 *
	 * @since 1.7
	 * @access public
	 *
	 * @param string $url Original URL.
	 * @return string URL after rewriting, or original if not applicable.
	 */
	public function url_css( $url ) {
		if ( $url ) {
			$url2 = $this->rewrite( $url, Base::CDN_MAPPING_INC_CSS );
			if ( $url2 ) {
				$url = $url2;
			}
		}
		return $url;
	}

/**
	 * Try to rewrite one JS URL with CDN.
	 *
	 * @since 1.7
	 * @access public
	 *
	 * @param string $url Original URL.
	 * @return string URL after rewriting, or original if not applicable.
	 */
	public function url_js( $url ) {
		if ( $url ) {
			$url2 = $this->rewrite( $url, Base::CDN_MAPPING_INC_JS );
			if ( $url2 ) {
				$url = $url2;
			}
		}
		return $url;
	}

/**
	 * Filter responsive image sources for CDN.
	 *
	 * @since 1.2.3
	 * @since 1.7 Removed static from function.
	 * @access public
	 *
	 * @param array<int,array{url:string}> $srcs Srcset array.
	 * @return array<int,array{url:string}>
	 */
	public function srcset( $srcs ) {
		if ( $srcs ) {
			foreach ( $srcs as $w => $data ) {
				$url = $this->rewrite( $data['url'], Base::CDN_MAPPING_INC_IMG );
				if ( ! $url ) {
					continue;
				}
				$srcs[ $w ]['url'] = $url;
			}
		}
		return $srcs;
	}

/**
	 * Replace an URL with mapped CDN URL, if applicable.
	 *
	 * @since 1.2.3
	 * @access public
	 *
	 * @param string       $url          Target URL.
	 * @param string       $mapping_kind Mapping kind (e.g., Base::CDN_MAPPING_INC_IMG or Base::CDN_MAPPING_FILETYPE).
	 * @param string|false $postfix      File extension (with dot) when mapping by file type.
	 * @return string|false Replaced URL on success, false when not applicable.
	 */
	public function rewrite( $url, $mapping_kind, $postfix = false ) {
		self::debug2( 'rewrite ' . $url );
		$url_parsed = wp_parse_url( $url );

if ( empty( $url_parsed['path'] ) ) {
			self::debug2( '-rewrite bypassed: no path' );
			return false;
		}

// Only images under wp-content/wp-includes can be replaced
		$is_internal_folder = Utility::str_hit_array( $url_parsed['path'], $this->_cfg_ori_dir );
		if ( ! $is_internal_folder ) {
			self::debug2( '-rewrite failed: path not match: ' . LSCWP_CONTENT_FOLDER );
			return false;
		}

// Check if is external url
		if ( ! empty( $url_parsed['host'] ) ) {
			if ( ! Utility::internal( $url_parsed['host'] ) && ! $this->_is_ori_url( $url ) ) {
				self::debug2( '-rewrite failed: host not internal' );
				return false;
			}
		}

$exclude = Utility::str_hit_array( $url, $this->_cfg_cdn_exclude );
		if ( $exclude ) {
			self::debug2( '-abort excludes ' . $exclude );
			return false;
		}

// Fill full url before replacement
		if ( empty( $url_parsed['host'] ) ) {
			$url = Utility::uri2url( $url );
			self::debug2( '-fill before rewritten: ' . $url );

$url_parsed = wp_parse_url( $url );
		}

$scheme = ! empty( $url_parsed['scheme'] ) ? $url_parsed['scheme'] . ':' : '';

// Find the mapping url to be replaced to
		if ( empty( $this->_cfg_cdn_mapping[ $mapping_kind ] ) ) {
			return false;
		}
		if ( Base::CDN_MAPPING_FILETYPE !== $mapping_kind ) {
			$final_url = $this->_cfg_cdn_mapping[ $mapping_kind ];
		} else {
			// select from file type
			$final_url = $this->_cfg_cdn_mapping[ $postfix ];
			if ( ! $final_url ) {
				return false;
			}
		}

// If filetype to url is one to many, need to random one
		if ( is_array( $final_url ) ) {
			$final_url = $final_url[ array_rand( $final_url ) ];
		}

// Now lets replace CDN url
		foreach ( $this->_cfg_url_ori as $v ) {
			if ( false !== strpos( $v, '*' ) ) {
				$url = preg_replace( '#' . $scheme . $v . '#iU', $final_url, $url );
			} else {
				$url = str_replace( $scheme . $v, $final_url, $url );
			}
		}
		self::debug2( '-rewritten: ' . $url );

return $url;
	}

/**
	 * Check if the given URL matches any configured "original" URLs for CDN.
	 *
	 * @since 2.1
	 * @access private
	 *
	 * @param string $url URL to test.
	 * @return bool True if URL is one of the originals.
	 */
	private function _is_ori_url( $url ) {
		$url_parsed = wp_parse_url( $url );

$scheme = ! empty( $url_parsed['scheme'] ) ? $url_parsed['scheme'] . ':' : '';

foreach ( $this->_cfg_url_ori as $v ) {
			$needle = $scheme . $v;
			if ( false !== strpos( $v, '*' ) ) {
				if ( preg_match( '#' . $needle . '#iU', $url ) ) {
					return true;
				}
			} elseif ( 0 === strpos( $url, $needle ) ) {
				return true;
			}
		}

return false;
	}

/**
	 * Check if the host is one of the CDN mapping hosts.
	 *
	 * @since 1.2.3
	 *
	 * @param string $host Hostname to check.
	 * @return bool False when bypassed, otherwise true if internal CDN host.
	 */
	public static function internal( $host ) {
		if ( defined( self::BYPASS ) ) {
			return false;
		}

$instance = self::cls();

return in_array( $host, $instance->cdn_mapping_hosts, true ); // todo: can add $this->_is_ori_url() check in future
	}
}

cmd: