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<?php
namespace WpAssetCleanUp;
use WpAssetCleanUp\OptimiseAssets\OptimizeCss;
use WpAssetCleanUp\OptimiseAssets\OptimizeJs;
/**
* Class FileSystem
* @package WpAssetCleanUp
*/
class FileSystem
{
/**
* @return bool|\WP_Filesystem_Direct
*/
public static function init()
{
// Set the permission constants if not already set.
if ( ! defined('FS_CHMOD_DIR') ) {
define('FS_CHMOD_DIR', fileperms(ABSPATH) & 0777 | 0755);
}
if ( ! defined('FS_CHMOD_FILE') ) {
define('FS_CHMOD_FILE', fileperms(ABSPATH . 'index.php') & 0777 | 0644);
}
if (! defined('WPACU_FS_USED') && ! class_exists('\WP_Filesystem_Base') && ! class_exists('\WP_Filesystem_Direct')) {
$wpFileSystemBase = ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php';
$wpFileSystemDirect = ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php';
if (is_file($wpFileSystemBase) && is_file($wpFileSystemDirect)) {
// Make sure to use the 'direct' method as it's the most effective in this scenario
require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php';
require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php';
define('WPACU_FS_USED', true);
} else {
// Do not use WordPress FileSystem Direct (fallback to default PHP functions)
define('WPACU_FS_USED', false);
}
}
if (defined('WPACU_FS_USED') && WPACU_FS_USED === true) {
return new \WP_Filesystem_Direct( new \StdClass() );
}
return false;
}
/**
* @param $localPathToFile
* @param string $alter
*
* @return false|string
*/
public static function file_get_contents($localPathToFile, $alter = '')
{
// ONLY relevant for CSS files
if ($alter === 'combine_css_imports') {
// This custom class does not minify as it's custom made for combining @import
$optimizer = new \WpAssetCleanUp\OptimiseAssets\CombineCssImports($localPathToFile);
return $optimizer->minify();
}
// Fallback
if (! self::init()) {
return @file_get_contents($localPathToFile);
}
return self::init()->get_contents($localPathToFile);
}
/**
* @param $localPathToFile
* @param $contents
*
* @return bool|int|void
*/
public static function file_put_contents($localPathToFile, $contents)
{
if ( (strpos($localPathToFile, WP_CONTENT_DIR . OptimizeCss::getRelPathCssCacheDir()) !== false && ! is_dir(dirname($localPathToFile)))
|| (strpos($localPathToFile, WP_CONTENT_DIR . OptimizeJs::getRelPathJsCacheDir()) !== false && ! is_dir(dirname($localPathToFile)))
|| (strpos($localPathToFile, '/_storage/_recent_items/') !== false && ! is_dir(dirname($localPathToFile)))
) {
@mkdir(dirname($localPathToFile), 0755, true );
}
// Fallback
if (! self::init()) {
$return = @file_put_contents($localPathToFile, $contents);
} else {
$return = self::init()->put_contents( $localPathToFile, $contents, FS_CHMOD_FILE );
}
if (! $return) {
error_log('Asset CleanUp: Could not write to '.$localPathToFile);
}
return $return;
}
}
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