/cake/libs/folder.php
PHP | 749 lines | 588 code | 27 blank | 134 comment | 25 complexity | ce4ebe18ddc5430158eb26dd9a18d689 MD5 | raw file
Possible License(s): LGPL-2.1
- <?php
- /**
- * Convenience class for handling directories.
- *
- * PHP 5
- *
- * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
- * Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
- *
- * Licensed under The MIT License
- * Redistributions of files must retain the above copyright notice.
- *
- * @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
- * @link http://cakephp.org CakePHP(tm) Project
- * @package cake.libs
- * @since CakePHP(tm) v 0.2.9
- * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
- */
- /**
- * Folder structure browser, lists folders and files.
- * Provides an Object interface for Common directory related tasks.
- *
- * @package cake.libs
- */
- class Folder {
- /**
- * Path to Folder.
- *
- * @var string
- * @access public
- */
- public $path = null;
- /**
- * Sortedness. Whether or not list results
- * should be sorted by name.
- *
- * @var boolean
- * @access public
- */
- public $sort = false;
- /**
- * Mode to be used on create. Does nothing on windows platforms.
- *
- * @var integer
- * @access public
- */
- public $mode = 0755;
- /**
- * Holds messages from last method.
- *
- * @var array
- * @access private
- */
- private $__messages = array();
- /**
- * Holds errors from last method.
- *
- * @var array
- * @access private
- */
- private $__errors = array();
- /**
- * Holds array of complete directory paths.
- *
- * @var array
- * @access private
- */
- private $__directories;
- /**
- * Holds array of complete file paths.
- *
- * @var array
- * @access private
- */
- private $__files;
- /**
- * Constructor.
- *
- * @param string $path Path to folder
- * @param boolean $create Create folder if not found
- * @param mixed $mode Mode (CHMOD) to apply to created folder, false to ignore
- */
- function __construct($path = false, $create = false, $mode = false) {
- if (empty($path)) {
- $path = TMP;
- }
- if ($mode) {
- $this->mode = $mode;
- }
- if (!file_exists($path) && $create === true) {
- $this->create($path, $this->mode);
- }
- if (!Folder::isAbsolute($path)) {
- $path = realpath($path);
- }
- if (!empty($path)) {
- $this->cd($path);
- }
- }
- /**
- * Return current path.
- *
- * @return string Current path
- */
- public function pwd() {
- return $this->path;
- }
- /**
- * Change directory to $path.
- *
- * @param string $path Path to the directory to change to
- * @return string The new path. Returns false on failure
- */
- public function cd($path) {
- $path = $this->realpath($path);
- if (is_dir($path)) {
- return $this->path = $path;
- }
- return false;
- }
- /**
- * Returns an array of the contents of the current directory.
- * The returned array holds two arrays: One of directories and one of files.
- *
- * @param boolean $sort Whether you want the results sorted, set this and the sort property
- * to false to get unsorted results.
- * @param mixed $exceptions Either an array or boolean true will not grab dot files
- * @param boolean $fullPath True returns the full path
- * @return mixed Contents of current directory as an array, an empty array on failure
- */
- public function read($sort = true, $exceptions = false, $fullPath = false) {
- $dirs = $files = array();
- if (!$this->pwd()) {
- return array($dirs, $files);
- }
- if (is_array($exceptions)) {
- $exceptions = array_flip($exceptions);
- }
- $skipHidden = isset($exceptions['.']) || $exceptions === true;
- if (false === ($dir = @opendir($this->path))) {
- return array($dirs, $files);
- }
- while (false !== ($item = readdir($dir))) {
- if ($item === '.' || $item === '..' || ($skipHidden && $item[0] === '.') || isset($exceptions[$item])) {
- continue;
- }
- $path = Folder::addPathElement($this->path, $item);
- if (is_dir($path)) {
- $dirs[] = $fullPath ? $path : $item;
- } else {
- $files[] = $fullPath ? $path : $item;
- }
- }
- if ($sort || $this->sort) {
- sort($dirs);
- sort($files);
- }
- closedir($dir);
- return array($dirs, $files);
- }
- /**
- * Returns an array of all matching files in current directory.
- *
- * @param string $pattern Preg_match pattern (Defaults to: .*)
- * @param boolean $sort Whether results should be sorted.
- * @return array Files that match given pattern
- */
- public function find($regexpPattern = '.*', $sort = false) {
- list($dirs, $files) = $this->read($sort);
- return array_values(preg_grep('/^' . $regexpPattern . '$/i', $files)); ;
- }
- /**
- * Returns an array of all matching files in and below current directory.
- *
- * @param string $pattern Preg_match pattern (Defaults to: .*)
- * @param boolean $sort Whether results should be sorted.
- * @return array Files matching $pattern
- */
- public function findRecursive($pattern = '.*', $sort = false) {
- if (!$this->pwd()) {
- return array();
- }
- $startsOn = $this->path;
- $out = $this->_findRecursive($pattern, $sort);
- $this->cd($startsOn);
- return $out;
- }
- /**
- * Private helper function for findRecursive.
- *
- * @param string $pattern Pattern to match against
- * @param boolean $sort Whether results should be sorted.
- * @return array Files matching pattern
- * @access private
- */
- function _findRecursive($pattern, $sort = false) {
- list($dirs, $files) = $this->read($sort);
- $found = array();
- foreach ($files as $file) {
- if (preg_match('/^' . $pattern . '$/i', $file)) {
- $found[] = Folder::addPathElement($this->path, $file);
- }
- }
- $start = $this->path;
- foreach ($dirs as $dir) {
- $this->cd(Folder::addPathElement($start, $dir));
- $found = array_merge($found, $this->findRecursive($pattern, $sort));
- }
- return $found;
- }
- /**
- * Returns true if given $path is a Windows path.
- *
- * @param string $path Path to check
- * @return boolean true if windows path, false otherwise
- */
- public static function isWindowsPath($path) {
- return (preg_match('/^[A-Z]:\\\\/i', $path) || substr($path, 0, 2) == '\\\\');
- }
- /**
- * Returns true if given $path is an absolute path.
- *
- * @param string $path Path to check
- * @return bool true if path is absolute.
- */
- public static function isAbsolute($path) {
- return !empty($path) && ($path[0] === '/' || preg_match('/^[A-Z]:\\\\/i', $path) || substr($path, 0, 2) == '\\\\');
- }
- /**
- * Returns a correct set of slashes for given $path. (\\ for Windows paths and / for other paths.)
- *
- * @param string $path Path to check
- * @return string Set of slashes ("\\" or "/")
- */
- public static function normalizePath($path) {
- return Folder::correctSlashFor($path);
- }
- /**
- * Returns a correct set of slashes for given $path. (\\ for Windows paths and / for other paths.)
- *
- * @param string $path Path to check
- * @return string Set of slashes ("\\" or "/")
- */
- public static function correctSlashFor($path) {
- return (Folder::isWindowsPath($path)) ? '\\' : '/';
- }
- /**
- * Returns $path with added terminating slash (corrected for Windows or other OS).
- *
- * @param string $path Path to check
- * @return string Path with ending slash
- */
- public static function slashTerm($path) {
- if (Folder::isSlashTerm($path)) {
- return $path;
- }
- return $path . Folder::correctSlashFor($path);
- }
- /**
- * Returns $path with $element added, with correct slash in-between.
- *
- * @param string $path Path
- * @param string $element Element to and at end of path
- * @return string Combined path
- */
- public static function addPathElement($path, $element) {
- return rtrim($path, DS) . DS . $element;
- }
- /**
- * Returns true if the File is in a given CakePath.
- *
- * @param string $path The path to check.
- * @return bool
- */
- public function inCakePath($path = '') {
- $dir = substr(Folder::slashTerm(ROOT), 0, -1);
- $newdir = $dir . $path;
- return $this->inPath($newdir);
- }
- /**
- * Returns true if the File is in given path.
- *
- * @param string $path The path to check that the current pwd() resides with in.
- * @param boolean $reverse
- * @return bool
- */
- public function inPath($path = '', $reverse = false) {
- $dir = Folder::slashTerm($path);
- $current = Folder::slashTerm($this->pwd());
- if (!$reverse) {
- $return = preg_match('/^(.*)' . preg_quote($dir, '/') . '(.*)/', $current);
- } else {
- $return = preg_match('/^(.*)' . preg_quote($current, '/') . '(.*)/', $dir);
- }
- return (bool)$return;
- }
- /**
- * Change the mode on a directory structure recursively. This includes changing the mode on files as well.
- *
- * @param string $path The path to chmod
- * @param integer $mode octal value 0755
- * @param boolean $recursive chmod recursively, set to false to only change the current directory.
- * @param array $exceptions array of files, directories to skip
- * @return boolean Returns TRUE on success, FALSE on failure
- */
- public function chmod($path, $mode = false, $recursive = true, $exceptions = array()) {
- if (!$mode) {
- $mode = $this->mode;
- }
- if ($recursive === false && is_dir($path)) {
- if (@chmod($path, intval($mode, 8))) {
- $this->__messages[] = __('%s changed to %s', $path, $mode);
- return true;
- }
- $this->__errors[] = __('%s NOT changed to %s', $path, $mode);
- return false;
- }
- if (is_dir($path)) {
- $paths = $this->tree($path);
- foreach ($paths as $type) {
- foreach ($type as $key => $fullpath) {
- $check = explode(DS, $fullpath);
- $count = count($check);
- if (in_array($check[$count - 1], $exceptions)) {
- continue;
- }
- if (@chmod($fullpath, intval($mode, 8))) {
- $this->__messages[] = __('%s changed to %s', $fullpath, $mode);
- } else {
- $this->__errors[] = __('%s NOT changed to %s', $fullpath, $mode);
- }
- }
- }
- if (empty($this->__errors)) {
- return true;
- }
- }
- return false;
- }
- /**
- * Returns an array of nested directories and files in each directory
- *
- * @param string $path the directory path to build the tree from
- * @param mixed $exceptions Array of files to exclude, defaults to excluding hidden files.
- * @param string $type either file or dir. null returns both files and directories
- * @return mixed array of nested directories and files in each directory
- */
- public function tree($path, $exceptions = true, $type = null) {
- $original = $this->path;
- $path = rtrim($path, DS);
- if (!$this->cd($path)) {
- if ($type === null) {
- return array(array(), array());
- }
- return array();
- }
- $this->__files = array();
- $this->__directories = array($this->realpath($path));
- $directories = array();
- if ($exceptions === false) {
- $exceptions = true;
- }
- while (!empty($this->__directories)) {
- $dir = array_pop($this->__directories);
- $this->__tree($dir, $exceptions);
- $directories[] = $dir;
- }
- if ($type === null) {
- return array($directories, $this->__files);
- }
- if ($type === 'dir') {
- return $directories;
- }
- $this->cd($original);
- return $this->__files;
- }
- /**
- * Private method to list directories and files in each directory
- *
- * @param string $path The Path to read.
- * @param mixed $exceptions Array of files to exclude from the read that will be performed.
- * @access private
- */
- function __tree($path, $exceptions) {
- $this->path = $path;
- list($dirs, $files) = $this->read(false, $exceptions, true);
- $this->__directories = array_merge($this->__directories, $dirs);
- $this->__files = array_merge($this->__files, $files);
- }
- /**
- * Create a directory structure recursively. Can be used to create
- * deep path structures like `/foo/bar/baz/shoe/horn`
- *
- * @param string $pathname The directory structure to create
- * @param integer $mode octal value 0755
- * @return boolean Returns TRUE on success, FALSE on failure
- */
- public function create($pathname, $mode = false) {
- if (is_dir($pathname) || empty($pathname)) {
- return true;
- }
- if (!$mode) {
- $mode = $this->mode;
- }
- if (is_file($pathname)) {
- $this->__errors[] = __('%s is a file', $pathname);
- return false;
- }
- $pathname = rtrim($pathname, DS);
- $nextPathname = substr($pathname, 0, strrpos($pathname, DS));
- if ($this->create($nextPathname, $mode)) {
- if (!file_exists($pathname)) {
- $old = umask(0);
- if (mkdir($pathname, $mode)) {
- umask($old);
- $this->__messages[] = __('%s created', $pathname);
- return true;
- } else {
- umask($old);
- $this->__errors[] = __('%s NOT created', $pathname);
- return false;
- }
- }
- }
- return false;
- }
- /**
- * Returns the size in bytes of this Folder and its contents.
- *
- * @param string $directory Path to directory
- * @return int size in bytes of current folder
- */
- public function dirsize() {
- $size = 0;
- $directory = Folder::slashTerm($this->path);
- $stack = array($directory);
- $count = count($stack);
- for ($i = 0, $j = $count; $i < $j; ++$i) {
- if (is_file($stack[$i])) {
- $size += filesize($stack[$i]);
- } elseif (is_dir($stack[$i])) {
- $dir = dir($stack[$i]);
- if ($dir) {
- while (false !== ($entry = $dir->read())) {
- if ($entry === '.' || $entry === '..') {
- continue;
- }
- $add = $stack[$i] . $entry;
- if (is_dir($stack[$i] . $entry)) {
- $add = Folder::slashTerm($add);
- }
- $stack[] = $add;
- }
- $dir->close();
- }
- }
- $j = count($stack);
- }
- return $size;
- }
- /**
- * Recursively Remove directories if the system allows.
- *
- * @param string $path Path of directory to delete
- * @return boolean Success
- */
- public function delete($path = null) {
- if (!$path) {
- $path = $this->pwd();
- }
- if (!$path) {
- return null;
- }
- $path = Folder::slashTerm($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[] = __('%s removed', $file);
- } else {
- $this->__errors[] = __('%s NOT removed', $file);
- }
- } elseif (is_dir($file) === true && $this->delete($file) === false) {
- return false;
- }
- }
- }
- $path = substr($path, 0, strlen($path) - 1);
- if (rmdir($path) === false) {
- $this->__errors[] = __('%s NOT removed', $path);
- return false;
- } else {
- $this->__messages[] = __('%s removed', $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 $options Either an array of options (see above) or a string of the destination directory.
- * @return bool Success
- */
- public function copy($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[] = __('%s not found', $fromDir);
- return false;
- }
- if (!is_dir($toDir)) {
- $this->create($toDir, $mode);
- }
- if (!is_writable($toDir)) {
- $this->__errors[] = __('%s not writable', $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[] = __('%s copied to %s', $from, $to);
- } else {
- $this->__errors[] = __('%s NOT copied to %s', $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[] = __('%s created', $to);
- $options = array_merge($options, array('to'=> $to, 'from'=> $from));
- $this->copy($options);
- } else {
- $this->__errors[] = __('%s not created', $to);
- }
- }
- }
- }
- closedir($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 $options (to, from, chmod, skip)
- * @return boolean Success
- */
- public function move($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($options['from'])) {
- return (bool)$this->cd($options['to']);
- }
- }
- return false;
- }
- /**
- * get messages from latest method
- *
- * @return array
- */
- public function messages() {
- return $this->__messages;
- }
- /**
- * get error from latest method
- *
- * @return array
- */
- 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 $path Path to check
- * @return boolean true if path ends with slash, false otherwise
- */
- public static function isSlashTerm($path) {
- $lastChar = $path[strlen($path) - 1];
- return $lastChar === '/' || $lastChar === '\\';
- }
- }