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<?php

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/**

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* The file that defines File System class

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* Themify_Filesystem class provide instance of Filesystem Api to do some file operation.

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* Based on WP_Filesystem the class method will remain same.

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* @package Themify

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* @subpackage Filesystem

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if (!class_exists('Themify_Filesystem',false)) {

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/**

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* The Themify_Filesystem class.

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* This is used to initialize WP_Filesytem Api instance

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* check for filesytem method and return correct filesystem method

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* @package Themify

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* @subpackage Filesystem

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* @author Themify

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class Themify_Filesystem {

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/**

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* Instance of WP_Filesytem api class.

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* @access public

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* @var $execute Store the instance of WP_Filesystem class being used.

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public $execute = null;

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/**

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* Class constructor.

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* @access public

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private function __construct() {

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$this->initialize();

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}

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/**

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* Return an instance of this class.

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* @return object A single instance of this class.

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public static function get_instance() {

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static $instance = null;

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if ($instance === null) {

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$instance = new self;

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}

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return $instance;

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}

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/**

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* Initialize filesystem method.

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private function initialize() {

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if (!defined('FS_METHOD')) {

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define('FS_METHOD', 'direct');

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}

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// Load WP Filesystem

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if (!function_exists('WP_Filesystem')) {

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require_once ABSPATH . 'wp-admin/includes/file.php';

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}

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WP_Filesystem();

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global $wp_filesystem;

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if (is_a($wp_filesystem, 'WP_Filesystem_Direct')) {

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$this->execute = $wp_filesystem;

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} else {

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$this->execute = self::load_direct();

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}

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}

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/**

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* Initialize Filesystem direct method.

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private static function load_direct() {

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require_once ABSPATH . '/wp-admin/includes/class-wp-filesystem-base.php';

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require_once ABSPATH . '/wp-admin/includes/class-wp-filesystem-direct.php';

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return new WP_Filesystem_Direct(array());

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}

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public static function get_file_content($file, $check = false) {

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static $site_url = null;

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static $content_url = null;

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if ($site_url === null) {

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$site_url = rtrim(site_url(), '/') . '/';

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}

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if ($content_url === null) {

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$content_url = rtrim(content_url(), '/');

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}

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$upload_dir = themify_upload_dir();

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if (strpos($file, $site_url) !== false || strpos($file, $upload_dir['baseurl']) !== false || strpos($file, $content_url) !== false) {

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$file = urldecode($file);

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if (strpos($file, $upload_dir['baseurl']) !== false) {

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$dir = str_replace($upload_dir['baseurl'], $upload_dir['basedir'], $file);

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} elseif (strpos($file, '/' . WPINC . '/') !== false || strpos($file, '/wp-admin/') !== false) {

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$dir = str_replace($site_url, ABSPATH, $file);

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} elseif (strpos($file, $site_url) !== false) {

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$dir = str_replace($site_url, rtrim(dirname(WP_CONTENT_DIR), '/') . '/', $file);

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} else {

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$dir = str_replace($content_url, rtrim(WP_CONTENT_DIR, '/'), $file);

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}

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unset($upload_dir);

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$dir = strtok($dir, '?');

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} else {

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return null;

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}

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if ($check === true) {

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return self::is_readable($dir);

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}

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$data = self::get_contents($dir);

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return !empty($data) ? $data : null;

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}

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public static function is_dir($dir) {

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return is_dir($dir);

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}

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public static function is_file($file) {

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return is_file($file);

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}

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public static function is_readable($dir) {

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return is_readable($dir);

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}

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public static function is_writable($dir) {

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return is_writable($dir);

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}

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public static function exists($file) {

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return file_exists($file);

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}

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public static function size($file) {

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return filesize($file);

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}

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public static function delete($dir, $type = false) {

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try {

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set_error_handler(array(__CLASS__, 'errorHandler'), E_WARNING);

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$removed = self::remove($dir, $type);

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restore_error_handler();

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if ($removed) {

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return true;

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}

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return false;

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} catch (Throwable $e) {

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restore_error_handler();

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return true;

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}

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}

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private static function remove($dir, $type = false) {

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if ($type !== 'f' && self::is_dir($dir)) {

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$dirHandle = opendir($dir);

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if (empty($dirHandle)) {

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return false;

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}

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$dir=trailingslashit($dir);

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while (false !== ($f = readdir($dirHandle))) {

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if ($f !== '.' && $f !== '..') {

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$d = $dir . $f;

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if (self::is_dir($d)) {

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self::remove($d);

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} elseif (self::is_file($d) || is_link($d)) {

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unlink($d);

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}

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}

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}

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closedir($dirHandle);

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$dirHandle = null;

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return rmdir($dir);

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} elseif (self::is_file($dir) || is_link($dir)) {

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return unlink($dir);

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}

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return true;

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}

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public static function put_contents($file, $contents, $mode = false) {

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$instance = self::get_instance();

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if ($mode === false) {

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$mode = FS_CHMOD_FILE;

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}

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return $instance->execute->put_contents($file, $contents, $mode);

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}

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public static function get_contents($file) {

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return self::is_file($file) ? file_get_contents($file) : '';

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}

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public static function errorHandler($errno, $errstr, $errfile, $errline) {

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throw new ErrorException($errstr, 0, $errno, $errfile, $errline);

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}

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public static function mkdir($dir, $r = false, $perm = 0755) {

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if (!self::is_dir($dir)) {

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try {

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set_error_handler(array(__CLASS__, 'errorHandler'), E_WARNING);

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$check = mkdir($dir, $perm, $r);

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restore_error_handler();

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if ($check) {

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return true;

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}

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return false;

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} catch (Throwable $e) {

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restore_error_handler();

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return self::is_dir($dir);

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}

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}

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return true;

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}

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public static function rename($from, $to) {

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try {

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set_error_handler(array(__CLASS__, 'errorHandler'), E_WARNING);

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$check = rename($from, $to);

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restore_error_handler();

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if ($check) {

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return true;

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}

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return false;

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} catch (Throwable $e) {

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restore_error_handler();

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return self::is_dir($to) && !self::is_dir($from);

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}

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}

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}

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}

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