326 lines
6.9 KiB
PHP
326 lines
6.9 KiB
PHP
<?php
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/**
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* File: Cdn_Util.php
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*
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* @package W3TC
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*/
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namespace W3TC;
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/**
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* Class: Cdn_Util
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*/
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class Cdn_Util {
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/**
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* Check whether $engine is correct CDN engine
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*
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* @param string $engine CDN engine.
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*
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* @return bool
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*/
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public static function is_engine( $engine ) {
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return in_array(
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$engine,
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array(
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'akamai',
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'att',
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'azure',
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'cf',
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'cf2',
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'cotendo',
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'edgecast',
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'ftp',
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'google_drive',
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'highwinds',
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'limelight',
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'mirror',
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'rscf',
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'rackspace_cdn',
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's3',
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's3_compatible',
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'stackpath',
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'stackpath2',
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),
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true
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);
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}
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/**
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* Returns true if CDN engine is mirror
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*
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* @param string $engine CDN engine.
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*
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* @return bool
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*/
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public static function is_engine_mirror( $engine ) {
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return in_array(
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$engine,
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array(
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'mirror',
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'cotendo',
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'cf2',
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'akamai',
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'edgecast',
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'att',
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'highwinds',
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'limelight',
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'rackspace_cdn',
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'stackpath',
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'stackpath2',
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),
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true
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);
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}
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/**
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* Returns true if CDN engine is mirror.
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*
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* @param string $engine CDN engine.
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*
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* @return bool
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*/
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public static function is_engine_push( $engine ) {
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return ! self::is_engine_mirror( $engine );
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}
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/**
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* Returns true if CDN has purge all support.
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*
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* @param unknown $engine CDN engine.
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*
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* @return bool
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*/
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public static function can_purge_all( $engine ) {
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return in_array(
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$engine,
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array(
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'att',
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'cf2',
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'cotendo',
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'edgecast',
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'highwinds',
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'limelight',
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'stackpath',
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'stackpath2',
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),
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true
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);
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}
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/**
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* Returns true if CDN engine is supporting purge.
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*
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* @param string $engine CDN engine.
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*
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* @return bool
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*/
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public static function can_purge( $engine ) {
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return in_array(
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$engine,
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array(
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'akamai',
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'att',
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'azure',
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'cf',
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'cf2',
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'cotendo',
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'edgecast',
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'ftp',
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'highwinds',
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'limelight',
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'rscf',
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's3',
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's3_compatible',
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'stackpath',
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'stackpath2',
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),
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true
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);
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}
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/**
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* Returns true if CDN supports realtime purge. That is purging on post changes, comments etc.
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*
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* @param unknown $engine CDN engine.
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*
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* @return bool
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*/
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public static function supports_realtime_purge( $engine ) {
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return ! in_array( $engine, array( 'cf2' ), true );
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}
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/**
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* Search files.
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*
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* @param string $search_dir Search path.
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* @param string $base_dir Base path.
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* @param string $mask Mask value.
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* @param boolean $recursive Recursive flag.
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*
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* @return array
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*/
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public static function search_files( $search_dir, $base_dir, $mask = '*.*', $recursive = true ) {
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static $stack = array();
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$files = array();
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$ignore = array(
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'.svn',
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'.git',
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'.DS_Store',
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'CVS',
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'Thumbs.db',
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'desktop.ini',
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);
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$dir = @opendir( $search_dir ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
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if ( $dir ) {
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// phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.FoundInWhileCondition, WordPress.PHP.NoSilencedErrors.Discouraged
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while ( ( $entry = @readdir( $dir ) ) !== false ) {
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if ( '.' !== $entry && '..' !== $entry && ! in_array( $entry, $ignore, true ) ) {
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$path = $search_dir . '/' . $entry;
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if ( @is_dir( $path ) && $recursive ) { // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
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array_push( $stack, $entry );
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$files = array_merge(
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$files,
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self::search_files(
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$path,
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$base_dir,
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$mask,
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$recursive
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)
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);
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array_pop( $stack );
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} else {
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$regexp = '~^(' . self::get_regexp_by_mask( $mask ) . ')$~i';
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if ( preg_match( $regexp, $entry ) ) {
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$tmp = '' !== $base_dir ? $base_dir . '/' : '';
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$p = implode( '/', $stack );
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$tmp .= '' !== $p ? $p . '/' : '';
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$files[] = $tmp . $entry;
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}
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}
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}
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}
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@closedir( $dir ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
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}
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return $files;
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}
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/**
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* Returns regexp by mask.
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*
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* @param string $mask Mask pattern.
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*
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* @return string
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*/
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public static function get_regexp_by_mask( $mask ) {
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$mask = trim( $mask );
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$mask = Util_Environment::preg_quote( $mask );
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$mask = str_replace(
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array(
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'\*',
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'\?',
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';',
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),
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array(
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'@ASTERISK@',
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'@QUESTION@',
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'|',
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),
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$mask
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);
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$regexp = str_replace(
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array(
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'@ASTERISK@',
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'@QUESTION@',
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),
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array(
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'[^\\?\\*:\\|\'"<>]*',
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'[^\\?\\*:\\|\'"<>]',
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),
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$mask
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);
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return $regexp;
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}
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/**
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* Replaces folder placeholders.
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*
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* @param string $file Replacement value.
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*
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* @return string
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*/
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public static function replace_folder_placeholders( $file ) {
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static $content_dir, $plugin_dir, $upload_dir;
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if ( empty( $content_dir ) ) {
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$content_dir = str_replace( Util_Environment::document_root(), '', WP_CONTENT_DIR );
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$content_dir = substr( $content_dir, strlen( Util_Environment::site_url_uri() ) );
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$content_dir = trim( $content_dir, '/' );
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if ( defined( 'WP_PLUGIN_DIR' ) ) {
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$plugin_dir = str_replace( Util_Environment::document_root(), '', WP_PLUGIN_DIR );
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$plugin_dir = trim( $plugin_dir, '/' );
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} else {
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$plugin_dir = str_replace( Util_Environment::document_root(), '', WP_CONTENT_DIR . '/plugins' );
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$plugin_dir = trim( $plugin_dir, '/' );
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}
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$upload_dir = Util_Environment::wp_upload_dir();
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$upload_dir = str_replace( Util_Environment::document_root(), '', $upload_dir['basedir'] );
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$upload_dir = trim( $upload_dir, '/' );
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}
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$file = str_replace( '{wp_content_dir}', $content_dir, $file );
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$file = str_replace( '{plugins_dir}', $plugin_dir, $file );
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$file = str_replace( '{uploads_dir}', $upload_dir, $file );
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return $file;
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}
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/**
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* Replaces folder placeholders URI.
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*
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* @param string $file Replacement value.
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*
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* @return string
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*/
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public static function replace_folder_placeholders_to_uri( $file ) {
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static $content_uri, $plugins_uri, $uploads_uri;
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if ( empty( $content_uri ) ) {
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$content_uri = Util_Environment::url_to_uri( content_url() );
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$plugins_uri = Util_Environment::url_to_uri( plugins_url() );
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$upload_dir = Util_Environment::wp_upload_dir();
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if ( isset( $upload_dir['baseurl'] ) ) {
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$uploads_uri = Util_Environment::url_to_uri( $upload_dir['baseurl'] );
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} else {
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$uploads_uri = '';
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}
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}
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$file = str_replace( '{wp_content_dir}', $content_uri, $file );
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$file = str_replace( '{plugins_dir}', $plugins_uri, $file );
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$file = str_replace( '{uploads_dir}', $uploads_uri, $file );
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return $file;
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}
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/**
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* Get the override default value for cdn.flush_manually to prevent excessive invalidation charges for S3 CF and CF2.
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*
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* @since 2.2.6
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*
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* @param string $cdn_engine CDN engine value.
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*
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* @return boolean default value override;
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*/
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public static function get_flush_manually_default_override( $cdn_engine = null ) {
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$override_targets = array( 's3', 'cf', 'cf2' );
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return in_array( $cdn_engine, $override_targets, true );
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}
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}
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