787 lines
19 KiB
PHP
787 lines
19 KiB
PHP
<?php
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/**
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* Convenience class for handling directories.
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs
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* @since CakePHP(tm) v 0.2.9
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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/**
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* Included libraries.
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*
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*/
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if (!class_exists('Object')) {
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require LIBS . 'object.php';
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}
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/**
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* Folder structure browser, lists folders and files.
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* Provides an Object interface for Common directory related tasks.
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*
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* @package cake
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* @subpackage cake.cake.libs
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*/
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class Folder extends Object {
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/**
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* Path to Folder.
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*
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* @var string
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* @access public
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*/
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var $path = null;
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/**
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* Sortedness. Whether or not list results
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* should be sorted by name.
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*
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* @var boolean
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* @access public
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*/
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var $sort = false;
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/**
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* Mode to be used on create. Does nothing on windows platforms.
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*
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* @var integer
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* @access public
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*/
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var $mode = 0755;
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/**
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* Holds messages from last method.
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*
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* @var array
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* @access private
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*/
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var $__messages = array();
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/**
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* Holds errors from last method.
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*
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* @var array
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* @access private
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*/
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var $__errors = false;
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/**
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* Holds array of complete directory paths.
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*
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* @var array
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* @access private
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*/
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var $__directories;
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/**
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* Holds array of complete file paths.
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*
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* @var array
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* @access private
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*/
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var $__files;
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/**
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* Constructor.
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*
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* @param string $path Path to folder
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* @param boolean $create Create folder if not found
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* @param mixed $mode Mode (CHMOD) to apply to created folder, false to ignore
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*/
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function __construct($path = false, $create = false, $mode = false) {
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parent::__construct();
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if (empty($path)) {
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$path = TMP;
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}
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if ($mode) {
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$this->mode = $mode;
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}
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if (!file_exists($path) && $create === true) {
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$this->create($path, $this->mode);
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}
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if (!Folder::isAbsolute($path)) {
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$path = realpath($path);
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}
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if (!empty($path)) {
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$this->cd($path);
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}
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}
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/**
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* Return current path.
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*
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* @return string Current path
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* @access public
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*/
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function pwd() {
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return $this->path;
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}
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/**
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* Change directory to $path.
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*
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* @param string $path Path to the directory to change to
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* @return string The new path. Returns false on failure
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* @access public
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*/
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function cd($path) {
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$path = $this->realpath($path);
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if (is_dir($path)) {
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return $this->path = $path;
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}
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return false;
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}
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/**
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* Returns an array of the contents of the current directory.
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* The returned array holds two arrays: One of directories and one of files.
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*
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* @param boolean $sort Whether you want the results sorted, set this and the sort property
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* to false to get unsorted results.
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* @param mixed $exceptions Either an array or boolean true will not grab dot files
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* @param boolean $fullPath True returns the full path
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* @return mixed Contents of current directory as an array, an empty array on failure
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* @access public
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*/
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function read($sort = true, $exceptions = false, $fullPath = false) {
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$dirs = $files = array();
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if (!$this->pwd()) {
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return array($dirs, $files);
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}
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if (is_array($exceptions)) {
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$exceptions = array_flip($exceptions);
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}
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$skipHidden = isset($exceptions['.']) || $exceptions === true;
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if (false === ($dir = @opendir($this->path))) {
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return array($dirs, $files);
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}
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while (false !== ($item = readdir($dir))) {
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if ($item === '.' || $item === '..' || ($skipHidden && $item[0] === '.') || isset($exceptions[$item])) {
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continue;
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}
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$path = Folder::addPathElement($this->path, $item);
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if (is_dir($path)) {
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$dirs[] = $fullPath ? $path : $item;
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} else {
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$files[] = $fullPath ? $path : $item;
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}
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}
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if ($sort || $this->sort) {
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sort($dirs);
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sort($files);
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}
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closedir($dir);
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return array($dirs, $files);
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}
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/**
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* Returns an array of all matching files in current directory.
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*
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* @param string $pattern Preg_match pattern (Defaults to: .*)
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* @param boolean $sort Whether results should be sorted.
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* @return array Files that match given pattern
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* @access public
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*/
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function find($regexpPattern = '.*', $sort = false) {
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list($dirs, $files) = $this->read($sort);
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return array_values(preg_grep('/^' . $regexpPattern . '$/i', $files)); ;
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}
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/**
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* Returns an array of all matching files in and below current directory.
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*
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* @param string $pattern Preg_match pattern (Defaults to: .*)
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* @param boolean $sort Whether results should be sorted.
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* @return array Files matching $pattern
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* @access public
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*/
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function findRecursive($pattern = '.*', $sort = false) {
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if (!$this->pwd()) {
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return array();
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}
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$startsOn = $this->path;
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$out = $this->_findRecursive($pattern, $sort);
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$this->cd($startsOn);
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return $out;
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}
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/**
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* Private helper function for findRecursive.
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*
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* @param string $pattern Pattern to match against
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* @param boolean $sort Whether results should be sorted.
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* @return array Files matching pattern
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* @access private
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*/
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function _findRecursive($pattern, $sort = false) {
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list($dirs, $files) = $this->read($sort);
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$found = array();
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foreach ($files as $file) {
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if (preg_match('/^' . $pattern . '$/i', $file)) {
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$found[] = Folder::addPathElement($this->path, $file);
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}
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}
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$start = $this->path;
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foreach ($dirs as $dir) {
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$this->cd(Folder::addPathElement($start, $dir));
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$found = array_merge($found, $this->findRecursive($pattern, $sort));
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}
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return $found;
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}
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/**
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* Returns true if given $path is a Windows path.
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*
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* @param string $path Path to check
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* @return boolean true if windows path, false otherwise
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* @access public
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* @static
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*/
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function isWindowsPath($path) {
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return (preg_match('/^[A-Z]:\\\\/i', $path) || substr($path, 0, 2) == '\\\\');
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}
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/**
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* Returns true if given $path is an absolute path.
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*
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* @param string $path Path to check
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* @return bool true if path is absolute.
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* @access public
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* @static
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*/
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function isAbsolute($path) {
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return !empty($path) && ($path[0] === '/' || preg_match('/^[A-Z]:\\\\/i', $path) || substr($path, 0, 2) == '\\\\');
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}
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/**
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* Returns a correct set of slashes for given $path. (\\ for Windows paths and / for other paths.)
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*
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* @param string $path Path to check
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* @return string Set of slashes ("\\" or "/")
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* @access public
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* @static
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*/
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function normalizePath($path) {
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return Folder::correctSlashFor($path);
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}
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/**
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* Returns a correct set of slashes for given $path. (\\ for Windows paths and / for other paths.)
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*
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* @param string $path Path to check
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* @return string Set of slashes ("\\" or "/")
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* @access public
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* @static
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*/
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function correctSlashFor($path) {
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return (Folder::isWindowsPath($path)) ? '\\' : '/';
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}
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/**
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* Returns $path with added terminating slash (corrected for Windows or other OS).
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*
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* @param string $path Path to check
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* @return string Path with ending slash
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* @access public
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* @static
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*/
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function slashTerm($path) {
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if (Folder::isSlashTerm($path)) {
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return $path;
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}
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return $path . Folder::correctSlashFor($path);
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}
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/**
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* Returns $path with $element added, with correct slash in-between.
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*
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* @param string $path Path
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* @param string $element Element to and at end of path
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* @return string Combined path
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* @access public
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* @static
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*/
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function addPathElement($path, $element) {
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return rtrim($path, DS) . DS . $element;
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}
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/**
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* Returns true if the File is in a given CakePath.
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*
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* @param string $path The path to check.
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* @return bool
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* @access public
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*/
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function inCakePath($path = '') {
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$dir = substr(Folder::slashTerm(ROOT), 0, -1);
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$newdir = $dir . $path;
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return $this->inPath($newdir);
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}
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/**
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* Returns true if the File is in given path.
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*
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* @param string $path The path to check that the current pwd() resides with in.
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* @param boolean $reverse
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* @return bool
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* @access public
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*/
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function inPath($path = '', $reverse = false) {
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$dir = Folder::slashTerm($path);
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$current = Folder::slashTerm($this->pwd());
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if (!$reverse) {
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$return = preg_match('/^(.*)' . preg_quote($dir, '/') . '(.*)/', $current);
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} else {
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$return = preg_match('/^(.*)' . preg_quote($current, '/') . '(.*)/', $dir);
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}
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return (bool)$return;
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}
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/**
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* Change the mode on a directory structure recursively. This includes changing the mode on files as well.
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*
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* @param string $path The path to chmod
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* @param integer $mode octal value 0755
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* @param boolean $recursive chmod recursively, set to false to only change the current directory.
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* @param array $exceptions array of files, directories to skip
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* @return boolean Returns TRUE on success, FALSE on failure
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* @access public
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*/
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function chmod($path, $mode = false, $recursive = true, $exceptions = array()) {
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if (!$mode) {
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$mode = $this->mode;
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}
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if ($recursive === false && is_dir($path)) {
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if (@chmod($path, intval($mode, 8))) {
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$this->__messages[] = sprintf(__('%s changed to %s', true), $path, $mode);
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return true;
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}
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$this->__errors[] = sprintf(__('%s NOT changed to %s', true), $path, $mode);
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return false;
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}
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if (is_dir($path)) {
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$paths = $this->tree($path);
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foreach ($paths as $type) {
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foreach ($type as $key => $fullpath) {
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$check = explode(DS, $fullpath);
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$count = count($check);
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if (in_array($check[$count - 1], $exceptions)) {
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continue;
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}
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if (@chmod($fullpath, intval($mode, 8))) {
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$this->__messages[] = sprintf(__('%s changed to %s', true), $fullpath, $mode);
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} else {
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$this->__errors[] = sprintf(__('%s NOT changed to %s', true), $fullpath, $mode);
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}
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}
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}
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if (empty($this->__errors)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Returns an array of nested directories and files in each directory
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*
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* @param string $path the directory path to build the tree from
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* @param mixed $exceptions Array of files to exclude, defaults to excluding hidden files.
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* @param string $type either file or dir. null returns both files and directories
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* @return mixed array of nested directories and files in each directory
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* @access public
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*/
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function tree($path, $exceptions = true, $type = null) {
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$original = $this->path;
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$path = rtrim($path, DS);
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if (!$this->cd($path)) {
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if ($type === null) {
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return array(array(), array());
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}
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return array();
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}
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$this->__files = array();
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$this->__directories = array($this->realpath($path));
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$directories = array();
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if ($exceptions === false) {
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$exceptions = true;
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}
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while (!empty($this->__directories)) {
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$dir = array_pop($this->__directories);
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$this->__tree($dir, $exceptions);
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$directories[] = $dir;
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}
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if ($type === null) {
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return array($directories, $this->__files);
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}
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if ($type === 'dir') {
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return $directories;
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}
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$this->cd($original);
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return $this->__files;
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}
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/**
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* Private method to list directories and files in each directory
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*
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* @param string $path The Path to read.
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* @param mixed $exceptions Array of files to exclude from the read that will be performed.
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* @access private
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*/
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function __tree($path, $exceptions) {
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$this->path = $path;
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list($dirs, $files) = $this->read(false, $exceptions, true);
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$this->__directories = array_merge($this->__directories, $dirs);
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$this->__files = array_merge($this->__files, $files);
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}
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/**
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* Create a directory structure recursively. Can be used to create
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* deep path structures like `/foo/bar/baz/shoe/horn`
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*
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* @param string $pathname The directory structure to create
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* @param integer $mode octal value 0755
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* @return boolean Returns TRUE on success, FALSE on failure
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* @access public
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*/
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function create($pathname, $mode = false) {
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if (is_dir($pathname) || empty($pathname)) {
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return true;
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}
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if (!$mode) {
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$mode = $this->mode;
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}
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if (is_file($pathname)) {
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$this->__errors[] = sprintf(__('%s is a file', true), $pathname);
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return false;
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}
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$pathname = rtrim($pathname, DS);
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$nextPathname = substr($pathname, 0, strrpos($pathname, DS));
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if ($this->create($nextPathname, $mode)) {
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if (!file_exists($pathname)) {
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$old = umask(0);
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if (mkdir($pathname, $mode)) {
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umask($old);
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$this->__messages[] = sprintf(__('%s created', true), $pathname);
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return true;
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} else {
|
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umask($old);
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$this->__errors[] = sprintf(__('%s NOT created', true), $pathname);
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return false;
|
|
}
|
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}
|
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}
|
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return false;
|
|
}
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|
|
|
/**
|
|
* Returns the size in bytes of this Folder and its contents.
|
|
*
|
|
* @param string $directory Path to directory
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|
* @return int size in bytes of current folder
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* @access public
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|
*/
|
|
function dirsize() {
|
|
$size = 0;
|
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$directory = Folder::slashTerm($this->path);
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$stack = array($directory);
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$count = count($stack);
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for ($i = 0, $j = $count; $i < $j; ++$i) {
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if (is_file($stack[$i])) {
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$size += filesize($stack[$i]);
|
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} elseif (is_dir($stack[$i])) {
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$dir = dir($stack[$i]);
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if ($dir) {
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while (false !== ($entry = $dir->read())) {
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if ($entry === '.' || $entry === '..') {
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continue;
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}
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$add = $stack[$i] . $entry;
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if (is_dir($stack[$i] . $entry)) {
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$add = Folder::slashTerm($add);
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}
|
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$stack[] = $add;
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}
|
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$dir->close();
|
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}
|
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}
|
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$j = count($stack);
|
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}
|
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return $size;
|
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}
|
|
|
|
/**
|
|
* Recursively Remove directories if the system allows.
|
|
*
|
|
* @param string $path Path of directory to delete
|
|
* @return boolean Success
|
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* @access public
|
|
*/
|
|
function delete($path = null) {
|
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if (!$path) {
|
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$path = $this->pwd();
|
|
}
|
|
if (!$path) {
|
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return null;
|
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}
|
|
$path = Folder::slashTerm($path);
|
|
if (is_dir($path) === true) {
|
|
$normalFiles = glob($path . '*');
|
|
$hiddenFiles = glob($path . '\.?*');
|
|
|
|
$normalFiles = $normalFiles ? $normalFiles : array();
|
|
$hiddenFiles = $hiddenFiles ? $hiddenFiles : array();
|
|
|
|
$files = array_merge($normalFiles, $hiddenFiles);
|
|
if (is_array($files)) {
|
|
foreach ($files as $file) {
|
|
if (preg_match('/(\.|\.\.)$/', $file)) {
|
|
continue;
|
|
}
|
|
if (is_file($file) === true) {
|
|
if (@unlink($file)) {
|
|
$this->__messages[] = sprintf(__('%s removed', true), $file);
|
|
} else {
|
|
$this->__errors[] = sprintf(__('%s NOT removed', true), $file);
|
|
}
|
|
} elseif (is_dir($file) === true && $this->delete($file) === false) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
$path = substr($path, 0, strlen($path) - 1);
|
|
if (rmdir($path) === false) {
|
|
$this->__errors[] = sprintf(__('%s NOT removed', true), $path);
|
|
return false;
|
|
} else {
|
|
$this->__messages[] = sprintf(__('%s removed', true), $path);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Recursive directory copy.
|
|
*
|
|
* ### Options
|
|
*
|
|
* - `to` The directory to copy to.
|
|
* - `from` The directory to copy from, this will cause a cd() to occur, changing the results of pwd().
|
|
* - `chmod` The mode to copy the files/directories with.
|
|
* - `skip` Files/directories to skip.
|
|
*
|
|
* @param mixed $options Either an array of options (see above) or a string of the destination directory.
|
|
* @return bool Success
|
|
* @access public
|
|
*/
|
|
function copy($options = array()) {
|
|
if (!$this->pwd()) {
|
|
return false;
|
|
}
|
|
$to = null;
|
|
if (is_string($options)) {
|
|
$to = $options;
|
|
$options = array();
|
|
}
|
|
$options = array_merge(array('to' => $to, 'from' => $this->path, 'mode' => $this->mode, 'skip' => array()), $options);
|
|
|
|
$fromDir = $options['from'];
|
|
$toDir = $options['to'];
|
|
$mode = $options['mode'];
|
|
|
|
if (!$this->cd($fromDir)) {
|
|
$this->__errors[] = sprintf(__('%s not found', true), $fromDir);
|
|
return false;
|
|
}
|
|
|
|
if (!is_dir($toDir)) {
|
|
$this->create($toDir, $mode);
|
|
}
|
|
|
|
if (!is_writable($toDir)) {
|
|
$this->__errors[] = sprintf(__('%s not writable', true), $toDir);
|
|
return false;
|
|
}
|
|
|
|
$exceptions = array_merge(array('.', '..', '.svn'), $options['skip']);
|
|
if ($handle = @opendir($fromDir)) {
|
|
while (false !== ($item = readdir($handle))) {
|
|
if (!in_array($item, $exceptions)) {
|
|
$from = Folder::addPathElement($fromDir, $item);
|
|
$to = Folder::addPathElement($toDir, $item);
|
|
if (is_file($from)) {
|
|
if (copy($from, $to)) {
|
|
chmod($to, intval($mode, 8));
|
|
touch($to, filemtime($from));
|
|
$this->__messages[] = sprintf(__('%s copied to %s', true), $from, $to);
|
|
} else {
|
|
$this->__errors[] = sprintf(__('%s NOT copied to %s', true), $from, $to);
|
|
}
|
|
}
|
|
|
|
if (is_dir($from) && !file_exists($to)) {
|
|
$old = umask(0);
|
|
if (mkdir($to, $mode)) {
|
|
umask($old);
|
|
$old = umask(0);
|
|
chmod($to, $mode);
|
|
umask($old);
|
|
$this->__messages[] = sprintf(__('%s created', true), $to);
|
|
$options = array_merge($options, array('to'=> $to, 'from'=> $from));
|
|
$this->copy($options);
|
|
} else {
|
|
$this->__errors[] = sprintf(__('%s not created', true), $to);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
closedir($handle);
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
if (!empty($this->__errors)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Recursive directory move.
|
|
*
|
|
* ### Options
|
|
*
|
|
* - `to` The directory to copy to.
|
|
* - `from` The directory to copy from, this will cause a cd() to occur, changing the results of pwd().
|
|
* - `chmod` The mode to copy the files/directories with.
|
|
* - `skip` Files/directories to skip.
|
|
*
|
|
* @param array $options (to, from, chmod, skip)
|
|
* @return boolean Success
|
|
* @access public
|
|
*/
|
|
function move($options) {
|
|
$to = null;
|
|
if (is_string($options)) {
|
|
$to = $options;
|
|
$options = (array)$options;
|
|
}
|
|
$options = array_merge(array('to' => $to, 'from' => $this->path, 'mode' => $this->mode, 'skip' => array()), $options);
|
|
|
|
if ($this->copy($options)) {
|
|
if ($this->delete($options['from'])) {
|
|
return $this->cd($options['to']);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* get messages from latest method
|
|
*
|
|
* @return array
|
|
* @access public
|
|
*/
|
|
function messages() {
|
|
return $this->__messages;
|
|
}
|
|
|
|
/**
|
|
* get error from latest method
|
|
*
|
|
* @return array
|
|
* @access public
|
|
*/
|
|
function errors() {
|
|
return $this->__errors;
|
|
}
|
|
|
|
/**
|
|
* Get the real path (taking ".." and such into account)
|
|
*
|
|
* @param string $path Path to resolve
|
|
* @return string The resolved path
|
|
*/
|
|
function realpath($path) {
|
|
$path = str_replace('/', DS, trim($path));
|
|
if (strpos($path, '..') === false) {
|
|
if (!Folder::isAbsolute($path)) {
|
|
$path = Folder::addPathElement($this->path, $path);
|
|
}
|
|
return $path;
|
|
}
|
|
$parts = explode(DS, $path);
|
|
$newparts = array();
|
|
$newpath = '';
|
|
if ($path[0] === DS) {
|
|
$newpath = DS;
|
|
}
|
|
|
|
while (($part = array_shift($parts)) !== NULL) {
|
|
if ($part === '.' || $part === '') {
|
|
continue;
|
|
}
|
|
if ($part === '..') {
|
|
if (!empty($newparts)) {
|
|
array_pop($newparts);
|
|
continue;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
$newparts[] = $part;
|
|
}
|
|
$newpath .= implode(DS, $newparts);
|
|
|
|
return Folder::slashTerm($newpath);
|
|
}
|
|
|
|
/**
|
|
* Returns true if given $path ends in a slash (i.e. is slash-terminated).
|
|
*
|
|
* @param string $path Path to check
|
|
* @return boolean true if path ends with slash, false otherwise
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function isSlashTerm($path) {
|
|
$lastChar = $path[strlen($path) - 1];
|
|
return $lastChar === '/' || $lastChar === '\\';
|
|
}
|
|
}
|