File: /var/www/html/wp-content/plugins/breeze/inc/minification/breeze-minification-cache.php
<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
} // Exit if accessed directly
/*
* Based on some work of autoptimize plugin
*/
class Breeze_MinificationCache {
private $filename;
private $mime;
private $cachedir;
private $delayed;
private $nogzip;
public function __construct( $md5, $ext = 'php' ) {
$separate_cache = breeze_mobile_detect();
$this->cachedir = BREEZE_MINIFICATION_CACHE . breeze_current_user_type();
if ( is_multisite() ) {
$blog_id = get_current_blog_id();
$this->cachedir = BREEZE_MINIFICATION_CACHE . $blog_id . '/' . breeze_current_user_type();
}
$this->delayed = BREEZE_CACHE_DELAY;
$this->nogzip = BREEZE_CACHE_NOGZIP;
if ( $this->nogzip == false ) {
$this->filename = BREEZE_CACHEFILE_PREFIX . $separate_cache . $md5 . '.php';
} else {
if ( in_array( $ext, array( 'js', 'css' ) ) ) {
$this->filename = $ext . '/' . BREEZE_CACHEFILE_PREFIX . $separate_cache . $md5 . breeze_currency_switcher_cache() . '.' . $ext;
} else {
$this->filename = '/' . BREEZE_CACHEFILE_PREFIX . $separate_cache . $md5 . '.' . $ext;
}
}
}
public function get_cache_dir() {
return $this->cachedir;
}
public function get_file_name() {
return $this->filename;
}
public function check() {
global $wp_filesystem;
if ( empty( $wp_filesystem ) ) {
require_once ABSPATH . '/wp-admin/includes/file.php';
WP_Filesystem();
}
if ( ! defined( 'FS_CHMOD_FILE' ) ) {
define( 'FS_CHMOD_FILE', ( 0664 & ~ umask() ) );
}
if ( ! $wp_filesystem->exists( $this->cachedir . $this->filename, FS_CHMOD_FILE ) ) {
// No cached file, sorry
return false;
}
// Cache exists!
return true;
}
public function retrieve() {
if ( $this->check() ) {
if ( $this->nogzip == false ) {
return file_get_contents( $this->cachedir . $this->filename . '.none' );
} else {
return file_get_contents( $this->cachedir . $this->filename );
}
}
return false;
}
public function cache( $code, $mime ) {
if ( $this->nogzip == false ) {
$file = ( $this->delayed ? 'delayed.php' : 'default.php' );
$phpcode = file_get_contents( BREEZE_PLUGIN_DIR . '/inc/minification/config/' . $file );
$phpcode = str_replace( array( '%%CONTENT%%', 'exit;' ), array( $mime, '' ), $phpcode );
//file_put_contents( $this->cachedir . $this->filename, $phpcode, LOCK_EX );
breeze_read_write_file( $this->cachedir . $this->filename, $phpcode );
// file_put_contents( $this->cachedir . $this->filename . '.none', $code, LOCK_EX );
breeze_read_write_file( $this->cachedir . $this->filename . '.none', $code );
if ( ! $this->delayed ) {
// Compress now!
// file_put_contents( $this->cachedir . $this->filename . '.deflate', gzencode( $code, 9, FORCE_DEFLATE ), LOCK_EX );
breeze_read_write_file( $this->cachedir . $this->filename . '.deflate', gzencode( $code, 9, FORCE_DEFLATE ) );
// file_put_contents( $this->cachedir . $this->filename . '.gzip', gzencode( $code, 9, FORCE_GZIP ), LOCK_EX );
breeze_read_write_file( $this->cachedir . $this->filename . '.gzip', gzencode( $code, 9, FORCE_GZIP ) );
}
} else {
// Write code to cache without doing anything else
// file_put_contents( $this->cachedir . $this->filename, $code, LOCK_EX );
breeze_read_write_file( $this->cachedir . $this->filename, $code );
}
}
public function getname() {
apply_filters( 'breeze_filter_cache_getname', breeze_CACHE_URL . breeze_current_user_type() . $this->filename );
return $this->filename;
}
//create folder cache
public static function create_cache_minification_folder() {
if ( ! defined( 'BREEZE_MINIFICATION_CACHE' ) ) {
// We didn't set a cache
return false;
}
if ( is_multisite() ) {
$blog_id = get_current_blog_id();
foreach ( array( '', 'js', 'css' ) as $checkDir ) {
if ( ! Breeze_MinificationCache::checkCacheDir( BREEZE_MINIFICATION_CACHE . $blog_id . '/' . breeze_current_user_type() . $checkDir ) ) {
return false;
}
}
/** write index.html here to avoid prying eyes */
$indexFile = BREEZE_MINIFICATION_CACHE . $blog_id . '/' . breeze_current_user_type() . '/index.html';
if ( ! is_file( $indexFile ) ) {
//@file_put_contents( $indexFile, '<html><head><meta name="robots" content="noindex, nofollow"></head><body></body></html>' );
breeze_read_write_file( $indexFile, '<html><head><meta name="robots" content="noindex, nofollow"></head><body></body></html>' );
}
/** write .htaccess here to overrule wp_super_cache */
$htAccess = BREEZE_MINIFICATION_CACHE . $blog_id . '/' . breeze_current_user_type() . '.htaccess';
} else {
foreach ( array( '', 'js', 'css' ) as $checkDir ) {
if ( ! Breeze_MinificationCache::checkCacheDir( BREEZE_MINIFICATION_CACHE . breeze_current_user_type() . $checkDir ) ) {
return false;
}
}
/** write index.html here to avoid prying eyes */
$indexFile = BREEZE_MINIFICATION_CACHE . breeze_current_user_type() . '/index.html';
if ( ! is_file( $indexFile ) ) {
//@file_put_contents( $indexFile, '<html><head><meta name="robots" content="noindex, nofollow"></head><body></body></html>' );
breeze_read_write_file( $indexFile, '<html><head><meta name="robots" content="noindex, nofollow"></head><body></body></html>' );
}
/** write .htaccess here to overrule wp_super_cache */
$htAccess = BREEZE_MINIFICATION_CACHE . breeze_current_user_type() . '/.htaccess';
}
if ( ! is_file( $htAccess ) ) {
/**
* create wp-content/AO_htaccess_tmpl with
* whatever htaccess rules you might need
* if you want to override default AO htaccess
*/
$htaccess_tmpl = WP_CONTENT_DIR . '/AO_htaccess_tmpl';
if ( is_file( $htaccess_tmpl ) ) {
$htAccessContent = file_get_contents( $htaccess_tmpl );
} elseif ( is_multisite() ) {
$htAccessContent = '<IfModule mod_headers.c>
Header set Vary "Accept-Encoding"
Header set Cache-Control "max-age=10672000, must-revalidate"
</IfModule>
<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType text/css A30672000
ExpiresByType text/javascript A30672000
ExpiresByType application/javascript A30672000
</IfModule>
<IfModule mod_deflate.c>
<FilesMatch "\.(js|css)$">
SetOutputFilter DEFLATE
</FilesMatch>
</IfModule>
<IfModule mod_authz_core.c>
<Files *.php>
Require all granted
</Files>
</IfModule>
<IfModule !mod_authz_core.c>
<Files *.php>
Order allow,deny
Allow from all
</Files>
</IfModule>';
} else {
$htAccessContent = '<IfModule mod_headers.c>
Header set Vary "Accept-Encoding"
Header set Cache-Control "max-age=10672000, must-revalidate"
</IfModule>
<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType text/css A30672000
ExpiresByType text/javascript A30672000
ExpiresByType application/javascript A30672000
</IfModule>
<IfModule mod_deflate.c>
<FilesMatch "\.(js|css)$">
SetOutputFilter DEFLATE
</FilesMatch>
</IfModule>
<IfModule mod_authz_core.c>
<Files *.php>
Require all denied
</Files>
</IfModule>
<IfModule !mod_authz_core.c>
<Files *.php>
Order deny,allow
Deny from all
</Files>
</IfModule>';
}
@file_put_contents( $htAccess, $htAccessContent );
}
// All OK
return true;
}
// check dir cache
static function checkCacheDir( $dir ) {
// Check and create if not exists
if ( ! file_exists( $dir ) ) {
@mkdir( $dir, defined( 'FS_CHMOD_DIR' ) ? FS_CHMOD_DIR : 0775, true );
if ( ! file_exists( $dir ) ) {
return false;
}
}
// check if we can now write
if ( ! is_writable( $dir ) ) {
return false;
}
// and write index.html here to avoid prying eyes
$indexFile = $dir . '/index.html';
if ( ! is_file( $indexFile ) ) {
@file_put_contents( $indexFile, '<html><head><meta name="robots" content="noindex, nofollow"></head><body></body></html>' );
}
return true;
}
public static function clear_minification( $blog_id = null ) {
if ( true === Breeze_CloudFlare_Helper::is_log_enabled() ) {
error_log( '######### PURGE LOCAL CACHE MINIFICATION; ###: ' . var_export( 'true', true ) );
}
if ( is_multisite() && is_network_admin() ) {
$sites = get_sites(
array(
'fields' => 'ids',
'number' => 0,
)
);
foreach ( $sites as $blog_id ) {
switch_to_blog( $blog_id );
self::clear_site_minification();
restore_current_blog();
}
} else {
self::clear_site_minification( $blog_id );
}
// Delete the stored minified files code hashes.
delete_option( 'breeze_minified_hashes' );
}
public static function clear_site_minification( $blog_id_custom = null ) {
if ( ! isset( $_GET['breeze_purge'] ) && ! Breeze_MinificationCache::create_cache_minification_folder() ) {
return false;
}
// $start_time = microtime( true );
// $files_count = 0;
$cache_folders = breeze_all_user_folders();
if ( is_multisite() ) {
if ( ! is_null( $blog_id_custom ) ) {
$blog_id = absint( $blog_id_custom );
} else {
$blog_id = get_current_blog_id();
}
// Scan and clear each cache directory in a single pass — O(N).
foreach ( $cache_folders as $user_folder ) {
$user_path = BREEZE_MINIFICATION_CACHE . $blog_id . '/' . ( ! empty( $user_folder ) ? $user_folder . '/' : '' );
foreach ( array( '', 'js', 'css' ) as $scandirName ) {
$directory = $user_path . $scandirName;
if ( ! is_dir( $directory ) ) {
continue;
}
$files_list = scandir( $directory );
if ( empty( $files_list ) ) {
continue;
}
$thisAoCacheDir = rtrim( $directory, '/' ) . '/';
foreach ( $files_list as $filename ) {
if ( '.' === $filename || '..' === $filename ) {
continue;
}
if ( ( strpos( $filename, 'lock' ) !== false || strpos( $filename, BREEZE_CACHEFILE_PREFIX ) !== false ) && is_file( $thisAoCacheDir . $filename ) ) {
@unlink( $thisAoCacheDir . $filename );
// $files_count++;
}
}
}
@unlink( $user_path . '.htaccess' );
@unlink( $user_path . 'process.lock' );
}
} else {
// Scan and clear each cache directory in a single pass — O(N).
foreach ( $cache_folders as $user_folder ) {
$user_path = BREEZE_MINIFICATION_CACHE . ( ! empty( $user_folder ) ? $user_folder . '/' : '' );
foreach ( array( '', 'js', 'css' ) as $scandirName ) {
$directory = $user_path . $scandirName;
if ( ! is_dir( $directory ) ) {
continue;
}
$files_list = scandir( $directory );
if ( empty( $files_list ) ) {
continue;
}
$thisAoCacheDir = rtrim( $directory, '/' ) . '/';
foreach ( $files_list as $filename ) {
if ( '.' === $filename || '..' === $filename ) {
continue;
}
if ( ( strpos( $filename, 'lock' ) !== false || strpos( $filename, BREEZE_CACHEFILE_PREFIX ) !== false ) && is_file( $thisAoCacheDir . $filename ) ) {
@unlink( $thisAoCacheDir . $filename );
// $files_count++;
}
}
}
@unlink( $user_path . '.htaccess' );
@unlink( $user_path . 'process.lock' );
}
}
// $elapsed = round( microtime( true ) - $start_time, 4 );
// error_log( "[Breeze] Minification cache cleared: {$files_count} files deleted in {$elapsed}s" );
return true;
}
public static function factory() {
static $instance;
if ( ! $instance ) {
$instance = new self();
$instance->set_action();
}
return $instance;
}
}