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<?php namespace Helpers; |
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/** |
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* Class FS |
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* @package Helpers |
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*/ |
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class FS |
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{ |
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/** |
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* @var FS cached reference to singleton instance |
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*/ |
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protected static $instance; |
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/** |
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* @var array |
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*/ |
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private $_fileInfo = array(); |
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/** |
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* gets the instance via lazy initialization (created on first usage) |
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* |
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* @return self |
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*/ |
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public static function getInstance() |
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{ |
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if (null === self::$instance) { |
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self::$instance = new self(); |
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} |
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return self::$instance; |
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} |
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/** |
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* is not allowed to call from outside: private! |
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* |
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*/ |
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private function __construct() |
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{ |
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} |
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/** |
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* prevent the instance from being cloned |
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* |
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* @return void |
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*/ |
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private function __clone() |
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{ |
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} |
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/** |
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* prevent from being unserialized |
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* |
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* @return void |
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*/ |
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public function __wakeup() |
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{ |
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} |
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/** |
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* Чтобы не дергать постоянно файл который обрабатываем |
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* |
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* @access private |
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* @param string $file ключ |
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* @return string информация из pathinfo о обрабатываемом файле input |
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*/ |
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private function _pathinfo($file, $mode) |
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{ |
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if (!is_scalar($file) && !is_scalar($mode)) { |
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$file = $mode = ''; |
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} |
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$flag = !(empty($file) || empty($mode)); |
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$f = MODX_BASE_PATH . $this->relativePath($file); |
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if ($flag && !isset($this->_fileInfo[$f], $this->_fileInfo[$f][$mode])) { |
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$this->_fileInfo[$f] = pathinfo($f); |
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} |
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$out = $flag && isset($this->_fileInfo[$f][$mode]) ? $this->_fileInfo[$f][$mode] : ''; |
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return $out; |
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} |
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/** |
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* @param $file |
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* @return string |
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*/ |
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public function takeFileDir($file) |
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{ |
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return $this->_pathinfo($file, 'dirname'); |
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} |
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/** |
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* @param $file |
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* @return string |
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*/ |
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public function takeFileBasename($file) |
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{ //file name with extension |
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return $this->_pathinfo($file, 'basename'); |
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} |
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/** |
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* @param $file |
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* @return string |
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*/ |
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public function takeFileName($file) |
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{ |
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return $this->_pathinfo($file, 'filename'); |
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} |
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/** |
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* @param $file |
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* @param bool $lower |
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* @return string |
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*/ |
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public function takeFileExt($file, $lower = true) |
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{ |
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$str = $this->_pathinfo($file, 'extension'); |
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if($lower){ |
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$str = strtolower($str); |
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} |
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return $str; |
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} |
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/** |
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* @param $file |
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* @return bool |
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*/ |
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public function checkFile($file) |
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{ |
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$f = is_scalar($file) ? MODX_BASE_PATH . $this->relativePath($file) : ''; |
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return (! empty($f) && is_file($f) && is_readable($f)); |
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} |
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/** |
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* @param $path |
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* @return bool |
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*/ |
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public function checkDir($path) |
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{ |
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$f = is_scalar($path) ? $this->relativePath($path) : ''; |
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return (! empty($f) && is_dir(MODX_BASE_PATH . $f) && is_readable(MODX_BASE_PATH . $f)); |
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} |
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/** |
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* @param $file |
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* @param bool|array $format |
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* @return int|string |
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*/ |
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public function fileSize($file, $format = false) |
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{ |
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$out = 0; |
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if ($this->checkFile($file)) { |
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$out = filesize(MODX_BASE_PATH . $this->relativePath($file)); |
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} |
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if($format === true) $format = array('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'); |
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if (is_array($format)) { |
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$size = $out > 0 ? floor(log($out, 1024)) : 0; |
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$type = isset($format[$size]) ? ' '.$format[$size] : ''; |
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$out = number_format($out / pow(1024, $size), 2, '.', ',') . $type; |
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} |
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return $out; |
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} |
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/** |
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* Если класс finfo и функция mime_content_type не доступны, то происходит сверка типов: |
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* - image/jpeg |
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* - image/png |
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* - image/gif |
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* Для всех остальных файлов будет присвоен тип application/octet-stream |
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* |
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* @param string $file Имя файла |
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* @return null|string MIME тип файла |
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*/ |
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public function takeFileMIME($file) |
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{ |
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$out = null; |
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$path = $this->relativePath($file); |
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if ($this->checkFile($path)) { |
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$fname = MODX_BASE_PATH . $path; |
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switch (true) { |
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/** need fileinfo extension */ |
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case (extension_loaded('fileinfo') && class_exists('\finfo')): |
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$fi = new \finfo(FILEINFO_MIME_TYPE); |
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if ($fi) { |
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$out = $fi->file($fname); |
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} |
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break; |
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case function_exists('mime_content_type'): |
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list($out) = explode(';', @mime_content_type($fname)); |
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break; |
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default: |
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/** |
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* @see: http://www.php.net/manual/ru/function.finfo-open.php#112617 |
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*/ |
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$fh = fopen($fname, 'rb'); |
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if ($fh) { |
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$bytes6 = fread($fh, 6); |
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fclose($fh); |
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switch (true) { |
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case ($bytes6 === false): |
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break; |
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case (substr($bytes6, 0, 3) == "\xff\xd8\xff"): |
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$out = 'image/jpeg'; |
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break; |
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case ($bytes6 == "\x89PNG\x0d\x0a"): |
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$out = 'image/png'; |
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break; |
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case ($bytes6 == "GIF87a" || $bytes6 == "GIF89a"): |
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$out = 'image/gif'; |
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break; |
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default: |
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$out = 'application/octet-stream'; |
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break; |
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} |
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} |
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} |
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} |
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return $out; |
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} |
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/** |
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* @param $path |
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* @param int $perm |
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* @return bool |
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*/ |
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public function makeDir($path, $perm = 0755) |
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{ |
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if (! $this->checkDir($path)) { |
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$path = MODX_BASE_PATH . $this->relativePath($path); |
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$flag = mkdir($path, $this->toOct($perm), true); |
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} else { |
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$flag = true; |
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} |
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return $flag; |
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} |
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241
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/** |
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242
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* Копирование файла с проверкой на существование оригинального файла и созданием папок |
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* |
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* @param string $from источник |
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* @param string $to получатель |
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* @return bool статус копирования |
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*/ |
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public function copyFile($from, $to, $chmod = 0644) |
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{ |
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$flag = false; |
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$from = MODX_BASE_PATH . $this->relativePath($from); |
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$to = MODX_BASE_PATH . $this->relativePath($to); |
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$dir = $this->takeFileDir($to); |
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if ($this->checkFile($from) && $this->makeDir($dir) && copy($from, $to)) { |
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chmod($to, $this->toOct($chmod)); |
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$flag = true; |
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} |
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259
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return $flag; |
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} |
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262
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/** |
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263
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* Перемещение файла с проверкой на существование оригинального файла и созданием папок |
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264
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* |
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265
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* @param string $from источник |
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266
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* @param string $to получатель |
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* @return bool статус перемещения |
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268
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*/ |
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269
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public function moveFile($from, $to, $chmod = 0644) |
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{ |
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271
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$flag = false; |
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$from = MODX_BASE_PATH . $this->relativePath($from); |
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$to = MODX_BASE_PATH . $this->relativePath($to); |
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$dir = $this->takeFileDir($to); |
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if ($this->checkFile($from) && $this->makeDir($dir) && rename($from, $to)) { |
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chmod($to, $this->toOct($chmod)); |
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$flag = true; |
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278
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} |
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280
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return $flag; |
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281
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} |
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283
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/** |
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284
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* Получение относительного пути к файлу или папки |
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285
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* |
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286
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* @param string $path путь из которого нужно получить относительный |
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287
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* @param string $owner начальный путь который стоит вырезать |
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288
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* @return string относительный путь |
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289
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*/ |
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290
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public function relativePath($path, $owner = null) |
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291
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{ |
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292
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if (is_null($owner)) { |
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293
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$owner = MODX_BASE_PATH; |
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294
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} |
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295
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$path = str_replace('\\', '/', $path); |
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296
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if (!(empty($path) || !is_scalar($path)) && !preg_match("/^http(s)?:\/\/\w+/", $path)) { |
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297
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$path = trim(preg_replace("#^" . preg_quote($owner) . "#", '', $path), DIRECTORY_SEPARATOR); |
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298
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} else { |
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299
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$path = ''; |
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300
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} |
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301
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302
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return $path; |
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303
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} |
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304
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305
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/** |
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306
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* Перевод строки/числа из восьмеричной/десятичной системы счисления в 8-ричную систему счисления |
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307
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* Если параметр является числом, то он остается без изменений. Обработка применяется только к строкам. |
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308
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* |
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309
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* 755 => 755 |
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310
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* 0755 => 493 |
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311
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* '0755' => 493 |
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312
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* '755' => 493 |
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313
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* |
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314
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* @param mixed $chmod строка или число в восьмеричной/десятичной системе счисления |
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315
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* @return int число в восьмеричной системе счисления |
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316
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*/ |
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317
|
12 |
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public function toOct($chmod) |
|
318
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{ |
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319
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12 |
|
return is_string($chmod) ? octdec($chmod) : $chmod; |
|
320
|
|
|
} |
|
321
|
|
|
|
|
322
|
|
|
/** |
|
323
|
|
|
* @param $dirPath |
|
324
|
|
|
* @return bool |
|
325
|
|
|
*/ |
|
326
|
|
|
public function rmDir($dirPath) |
|
327
|
|
|
{ |
|
328
|
|
|
$flag = false; |
|
329
|
|
|
$path = $_path = MODX_BASE_PATH . $this->relativePath($dirPath); |
|
330
|
|
|
if ($this->checkDir($path)) { |
|
331
|
|
|
$dirIterator = new \RecursiveDirectoryIterator($path, \FilesystemIterator::SKIP_DOTS); |
|
332
|
|
|
$dirRecursiveIterator = new \RecursiveIteratorIterator($dirIterator, |
|
333
|
|
|
\RecursiveIteratorIterator::CHILD_FIRST); |
|
334
|
|
|
foreach ($dirRecursiveIterator as $path) { |
|
335
|
|
|
$path->isDir() ? rmdir($path->getPathname()) : unlink($path->getPathname()); |
|
336
|
|
|
} |
|
337
|
|
|
$flag = rmdir($_path); |
|
338
|
|
|
} |
|
339
|
|
|
|
|
340
|
|
|
return $flag; |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
/** |
|
344
|
|
|
* @param $file |
|
345
|
|
|
* @return bool |
|
346
|
|
|
*/ |
|
347
|
|
|
public function unlink($file) |
|
348
|
|
|
{ |
|
349
|
|
|
$flag = false; |
|
350
|
|
|
if ($this->checkFile($file)) { |
|
351
|
|
|
$flag = unlink(MODX_BASE_PATH . $this->relativePath($file)); |
|
352
|
|
|
} |
|
353
|
|
|
|
|
354
|
|
|
return $flag; |
|
355
|
|
|
} |
|
356
|
|
|
|
|
357
|
|
|
/** |
|
358
|
|
|
* @param $path |
|
359
|
|
|
* @return bool |
|
360
|
|
|
*/ |
|
361
|
|
|
public function delete($path) |
|
362
|
|
|
{ |
|
363
|
|
|
$path = MODX_BASE_PATH . $this->relativePath($path); |
|
364
|
|
|
switch (true) { |
|
365
|
|
|
case $this->checkDir($path): |
|
366
|
|
|
$flag = $this->rmDir($path); |
|
367
|
|
|
break; |
|
368
|
|
|
case $this->checkFile($path): |
|
369
|
|
|
$flag = $this->unlink($path); |
|
370
|
|
|
break; |
|
371
|
|
|
default: |
|
372
|
|
|
$flag = false; |
|
373
|
|
|
} |
|
374
|
|
|
|
|
375
|
|
|
return $flag; |
|
376
|
|
|
} |
|
377
|
|
|
|
|
378
|
|
|
/** |
|
379
|
|
|
* @param $file |
|
380
|
|
|
* @param bool $full |
|
381
|
|
|
* @return string |
|
382
|
|
|
*/ |
|
383
|
|
|
public function getInexistantFilename($file, $full = false) |
|
384
|
|
|
{ |
|
385
|
|
|
$i = 1; |
|
386
|
|
|
$file = $mainFile = MODX_BASE_PATH . $this->relativePath($file); |
|
387
|
|
|
while ($this->checkFile($file)) { |
|
388
|
|
|
$i++; |
|
389
|
|
|
$out = $this->takeFileDir($file) . '/'; |
|
390
|
|
|
$out .= $this->takeFileName($mainFile) . "({$i})." . $this->takeFileExt($file); |
|
391
|
|
|
$file = $out; |
|
392
|
|
|
} |
|
393
|
|
|
|
|
394
|
|
|
return $full ? $file : $this->takeFileBasename($file); |
|
395
|
|
|
} |
|
396
|
|
|
} |
|
397
|
|
|
|