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<?php
define('N2_DS_INV', DIRECTORY_SEPARATOR == '/' ? '\\' : '/');
if (!defined('NEXTEND_RELATIVE_CACHE_WEB')) {
define('NEXTEND_RELATIVE_CACHE_WEB', '/cache/nextend/web');
define('NEXTEND_CUSTOM_CACHE', 0);
} else {
define('NEXTEND_CUSTOM_CACHE', 1);
}
if (!defined('NEXTEND_RELATIVE_CACHE_NOTWEB')) {
define('NEXTEND_RELATIVE_CACHE_NOTWEB', '/cache/nextend/notweb');
}
/**
* Class N2FilesystemAbstract
*/
abstract class N2FilesystemAbstract {
/**
* @var string Absolute path which match to the baseuri. It must not end with /
* @example /asd/xyz/wordpress
*/
public $_basepath;
public $_librarypath;
public static $dirPermission = 0777;
public static $filePermission = 0666;
public static function getInstance() {
static $instance;
if (!is_object($instance)) {
$instance = new N2Filesystem();
}
return $instance;
}
public static function check($base, $folder) {
static $checked = array();
if (!isset($checked[$base . '/' . $folder])) {
$cacheFolder = $base . '/' . $folder;
if (!self::existsFolder($cacheFolder)) {
if (self::is_writable($base)) {
self::createFolder($cacheFolder);
} else {
die('<div style="position:fixed;background:#fff;width:100%;height:100%;top:0;left:0;z-index:100000;">' . sprintf('<h2><b>%s</b> is not writable.</h2>', $base) . '<br><br><iframe style="width:100%;max-width:760px;height:100%;" src="https://smartslider3.helpscoutdocs.com/article/482-cache-folder-is-not-writable"></iframe></div>');
}
} else if (!self::is_writable($cacheFolder)) {
die('<div style="position:fixed;background:#fff;width:100%;height:100%;top:0;left:0;z-index:100000;">' . sprintf('<h2><b>%s</b> is not writable.</h2>', $cacheFolder) . '<br><br><iframe style="width:100%;max-width:760px;height:100%;" src="https://smartslider3.helpscoutdocs.com/article/482-cache-folder-is-not-writable"></iframe></div>');
}
$checked[$base . '/' . $folder] = true;
}
}
public static function measurePermission($testDir) {
while ('.' != $testDir && !is_dir($testDir)) {
$testDir = dirname($testDir);
}
if ($stat = @stat($testDir)) {
self::$dirPermission = $stat['mode'] & 0007777;
self::$filePermission = self::$dirPermission & 0000666;
}
}
/**
* @param $path
*
* @return mixed
*/
public static function toLinux($path) {
return str_replace(DIRECTORY_SEPARATOR, '/', $path);
}
/**
* @return string
*/
public static function getBasePath() {
$i = N2Filesystem::getInstance();
return $i->_basepath;
}
public static function getWebCachePath() {
return self::getBasePath() . NEXTEND_RELATIVE_CACHE_WEB;
}
public static function getNotWebCachePath() {
return self::getBasePath() . NEXTEND_RELATIVE_CACHE_NOTWEB;
}
/**
* @param $path
*/
public static function setBasePath($path) {
$i = N2Filesystem::getInstance();
$i->_basepath = $path;
}
/**
* @return mixed
*/
public static function getLibraryPath() {
$i = N2Filesystem::getInstance();
return $i->_librarypath;
}
/**
* @param $path
*/
public static function setLibraryPath($path) {
$i = N2Filesystem::getInstance();
$i->_librarypath = $path;
}
/**
* @param $path
*
* @return mixed
*/
public static function pathToAbsoluteURL($path) {
return N2Uri::pathToUri($path);
}
/**
* @param $path
*
* @return mixed
*/
public static function pathToRelativePath($path) {
$i = N2Filesystem::getInstance();
return preg_replace('/^' . preg_quote($i->_basepath, '/') . '/', '', str_replace('/', DIRECTORY_SEPARATOR, $path));
}
/**
* @param $path
*
* @return string
*/
public static function pathToAbsolutePath($path) {
$i = N2Filesystem::getInstance();
return $i->_basepath . str_replace('/', DIRECTORY_SEPARATOR, $path);
}
/**
* @param $url
*
* @return mixed
*/
public static function absoluteURLToPath($url) {
$fullUri = N2Uri::getFullUri();
if (substr($url, 0, strlen($fullUri)) == $fullUri) {
$i = N2Filesystem::getInstance();
return str_replace($fullUri, $i->_basepath, $url);
}
return $url;
}
/**
* @param $file
*
* @return bool
*/
public static function fileexists($file) {
return is_file($file);
}
/**
* @param $file
*
* @return bool
*/
public static function safefileexists($file) {
return realpath($file) && is_file($file);
}
/**
* @param $dir
*
* @return array|bool
*/
public static function folders($dir) {
if (!is_dir($dir)) return false;
$folders = array();
foreach (scandir($dir) as $file) {
if ($file == '.' || $file == '..') continue;
if (is_dir($dir . DIRECTORY_SEPARATOR . $file)) $folders[] = $file;
}
return $folders;
}
/**
* @param $path
*
* @return bool
*/
public static function is_writable($path) {
return is_writable($path);
}
/**
* @param $path
*
* @return bool
*/
public static function createFolder($path) {
return mkdir($path, self::$dirPermission, true);
}
/**
* @param $dir
*
* @return bool
*/
public static function deleteFolder($dir) {
if (!is_dir($dir) || is_link($dir)) return unlink($dir);
foreach (scandir($dir) as $file) {
if ($file == '.' || $file == '..') continue;
if (!self::deleteFolder($dir . DIRECTORY_SEPARATOR . $file)) {
chmod($dir . DIRECTORY_SEPARATOR . $file, self::$dirPermission);
if (!self::deleteFolder($dir . DIRECTORY_SEPARATOR . $file)) return false;
};
}
return rmdir($dir);
}
/**
* @param $path
*
* @return bool
*/
public static function existsFolder($path) {
return is_dir($path);
}
/**
* @param $path
*
* @return array
*/
public static function files($path) {
$files = array();
if (is_dir($path)) {
if ($dh = opendir($path)) {
while (($file = readdir($dh)) !== false) {
if ($file[0] != ".") {
$files[] = $file;
}
}
closedir($dh);
}
}
return $files;
}
/**
* @param $path
*
* @return bool
*/
public static function existsFile($path) {
return file_exists($path);
}
/**
* @param $path
* @param $buffer
*
* @return int
*/
public static function createFile($path, $buffer) {
return file_put_contents($path, $buffer);
}
/**
* @param $path
*
* @return string
*/
public static function readFile($path) {
return file_get_contents($path);
}
/**
* convert dir alias to normal format
*
* @param $pathName
*
* @return mixed
*/
public static function dirFormat($pathName) {
return str_replace(".", NDS, $pathName);
}
public static function getImagesFolder() {
return '';
}
public static function realpath($path) {
return rtrim(realpath($path), '/\\');
}
private static $translate = array();
public static function registerTranslate($from, $to) {
self::$translate[$from] = $to;
}
public static function translate($path) {
$path = self::fixPathSeparator($path);
foreach (self::$translate AS $k => $v) {
if (strpos($path, $k) === 0) {
return str_replace($k, $v, $path);
}
}
return $path;
}
public static function fixPathSeparator($path) {
return str_replace(N2_DS_INV, DIRECTORY_SEPARATOR, $path);
}
}
N2Loader::import('libraries.filesystem.filesystem', 'platform');