677 lines
18 KiB
PHP
677 lines
18 KiB
PHP
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<?php
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/**
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* @package Joomla.Platform
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* @subpackage FileSystem
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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jimport('joomla.filesystem.path');
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/**
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* A Folder handling class
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*
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* @package Joomla.Platform
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* @subpackage FileSystem
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* @since 11.1
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*/
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abstract class JFolder
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{
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/**
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* Copy a folder.
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*
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* @param string $src The path to the source folder.
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* @param string $dest The path to the destination folder.
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* @param string $path An optional base path to prefix to the file names.
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* @param string $force Force copy.
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* @param boolean $use_streams Optionally force folder/file overwrites.
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*
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* @return boolean True on success.
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*
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* @since 11.1
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* @throws RuntimeException
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*/
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public static function copy($src, $dest, $path = '', $force = false, $use_streams = false)
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{
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@set_time_limit(ini_get('max_execution_time'));
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$FTPOptions = JClientHelper::getCredentials('ftp');
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if ($path)
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{
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$src = JPath::clean($path . '/' . $src);
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$dest = JPath::clean($path . '/' . $dest);
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}
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// Eliminate trailing directory separators, if any
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$src = rtrim($src, DIRECTORY_SEPARATOR);
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$dest = rtrim($dest, DIRECTORY_SEPARATOR);
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if (!self::exists($src))
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{
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throw new RuntimeException('Source folder not found', -1);
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}
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if (self::exists($dest) && !$force)
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{
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throw new RuntimeException('Destination folder not found', -1);
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}
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// Make sure the destination exists
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if (!self::create($dest))
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{
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throw new RuntimeException('Cannot create destination folder', -1);
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}
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// If we're using ftp and don't have streams enabled
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if ($FTPOptions['enabled'] == 1 && !$use_streams)
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{
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// Connect the FTP client
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$ftp = JClientFtp::getInstance($FTPOptions['host'], $FTPOptions['port'], array(), $FTPOptions['user'], $FTPOptions['pass']);
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if (!($dh = @opendir($src)))
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{
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throw new RuntimeException('Cannot open source folder', -1);
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}
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// Walk through the directory copying files and recursing into folders.
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while (($file = readdir($dh)) !== false)
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{
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$sfid = $src . '/' . $file;
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$dfid = $dest . '/' . $file;
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switch (filetype($sfid))
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{
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case 'dir':
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if ($file != '.' && $file != '..')
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{
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$ret = self::copy($sfid, $dfid, null, $force);
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if ($ret !== true)
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{
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return $ret;
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}
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}
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break;
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case 'file':
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// Translate path for the FTP account
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$dfid = JPath::clean(str_replace(JPATH_ROOT, $FTPOptions['root'], $dfid), '/');
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if (!$ftp->store($sfid, $dfid))
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{
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throw new RuntimeException('Copy file failed', -1);
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}
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break;
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}
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}
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}
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else
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{
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if (!($dh = @opendir($src)))
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{
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throw new RuntimeException('Cannot open source folder', -1);
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}
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// Walk through the directory copying files and recursing into folders.
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while (($file = readdir($dh)) !== false)
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{
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$sfid = $src . '/' . $file;
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$dfid = $dest . '/' . $file;
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switch (filetype($sfid))
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{
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case 'dir':
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if ($file != '.' && $file != '..')
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{
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$ret = self::copy($sfid, $dfid, null, $force, $use_streams);
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if ($ret !== true)
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{
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return $ret;
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}
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}
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break;
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case 'file':
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if ($use_streams)
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{
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$stream = JFactory::getStream();
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if (!$stream->copy($sfid, $dfid))
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{
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throw new RuntimeException('Cannot copy file: ' . $stream->getError(), -1);
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}
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}
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else
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{
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if (!@copy($sfid, $dfid))
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{
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throw new RuntimeException('Copy file failed', -1);
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}
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}
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break;
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}
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}
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}
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return true;
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}
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/**
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* Create a folder -- and all necessary parent folders.
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*
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* @param string $path A path to create from the base path.
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* @param integer $mode Directory permissions to set for folders created. 0755 by default.
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*
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* @return boolean True if successful.
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*
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* @since 11.1
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*/
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public static function create($path = '', $mode = 0755)
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{
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$FTPOptions = JClientHelper::getCredentials('ftp');
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static $nested = 0;
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// Check to make sure the path valid and clean
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$path = JPath::clean($path);
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// Check if parent dir exists
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$parent = dirname($path);
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if (!self::exists($parent))
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{
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// Prevent infinite loops!
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$nested++;
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if (($nested > 20) || ($parent == $path))
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{
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JLog::add(__METHOD__ . ': ' . JText::_('JLIB_FILESYSTEM_ERROR_FOLDER_LOOP'), JLog::WARNING, 'jerror');
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$nested--;
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return false;
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}
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// Create the parent directory
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if (self::create($parent, $mode) !== true)
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{
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// JFolder::create throws an error
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$nested--;
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return false;
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}
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// OK, parent directory has been created
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$nested--;
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}
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// Check if dir already exists
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if (self::exists($path))
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{
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return true;
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}
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// Check for safe mode
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if ($FTPOptions['enabled'] == 1)
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{
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// Connect the FTP client
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$ftp = JClientFtp::getInstance($FTPOptions['host'], $FTPOptions['port'], array(), $FTPOptions['user'], $FTPOptions['pass']);
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// Translate path to FTP path
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$path = JPath::clean(str_replace(JPATH_ROOT, $FTPOptions['root'], $path), '/');
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$ret = $ftp->mkdir($path);
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$ftp->chmod($path, $mode);
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}
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else
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{
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// We need to get and explode the open_basedir paths
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$obd = ini_get('open_basedir');
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// If open_basedir is set we need to get the open_basedir that the path is in
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if ($obd != null)
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{
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if (IS_WIN)
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{
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$obdSeparator = ";";
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}
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else
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{
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$obdSeparator = ":";
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}
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// Create the array of open_basedir paths
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$obdArray = explode($obdSeparator, $obd);
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$inBaseDir = false;
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// Iterate through open_basedir paths looking for a match
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foreach ($obdArray as $test)
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{
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$test = JPath::clean($test);
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if (strpos($path, $test) === 0)
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{
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$inBaseDir = true;
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break;
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}
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}
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if ($inBaseDir == false)
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{
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// Return false for JFolder::create because the path to be created is not in open_basedir
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JLog::add(__METHOD__ . ': ' . JText::_('JLIB_FILESYSTEM_ERROR_FOLDER_PATH'), JLog::WARNING, 'jerror');
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return false;
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}
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}
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// First set umask
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$origmask = @umask(0);
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// Create the path
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if (!$ret = @mkdir($path, $mode))
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{
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@umask($origmask);
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JLog::add(
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__METHOD__ . ': ' . JText::_('JLIB_FILESYSTEM_ERROR_COULD_NOT_CREATE_DIRECTORY') . ' Path: ' . $path, JLog::WARNING, 'jerror'
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);
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return false;
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}
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// Reset umask
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@umask($origmask);
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}
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return $ret;
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}
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/**
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* Delete a folder.
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*
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* @param string $path The path to the folder to delete.
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*
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* @return boolean True on success.
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*
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* @since 11.1
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*/
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public static function delete($path)
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{
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@set_time_limit(ini_get('max_execution_time'));
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// Sanity check
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if (!$path)
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{
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// Bad programmer! Bad Bad programmer!
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JLog::add(__METHOD__ . ': ' . JText::_('JLIB_FILESYSTEM_ERROR_DELETE_BASE_DIRECTORY'), JLog::WARNING, 'jerror');
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return false;
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}
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$FTPOptions = JClientHelper::getCredentials('ftp');
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try
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{
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// Check to make sure the path valid and clean
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$path = JPath::clean($path);
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}
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catch (UnexpectedValueException $e)
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{
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throw new UnexpectedValueException($e);
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}
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// Is this really a folder?
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if (!is_dir($path))
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{
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JLog::add(JText::sprintf('JLIB_FILESYSTEM_ERROR_PATH_IS_NOT_A_FOLDER', $path), JLog::WARNING, 'jerror');
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return false;
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}
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// Remove all the files in folder if they exist; disable all filtering
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$files = self::files($path, '.', false, true, array(), array());
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if (!empty($files))
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{
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jimport('joomla.filesystem.file');
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if (JFile::delete($files) !== true)
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{
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// JFile::delete throws an error
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return false;
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}
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}
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// Remove sub-folders of folder; disable all filtering
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$folders = self::folders($path, '.', false, true, array(), array());
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foreach ($folders as $folder)
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{
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if (is_link($folder))
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{
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// Don't descend into linked directories, just delete the link.
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jimport('joomla.filesystem.file');
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if (JFile::delete($folder) !== true)
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{
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// JFile::delete throws an error
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return false;
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}
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}
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elseif (self::delete($folder) !== true)
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{
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// JFolder::delete throws an error
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return false;
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}
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}
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if ($FTPOptions['enabled'] == 1)
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{
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// Connect the FTP client
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$ftp = JClientFtp::getInstance($FTPOptions['host'], $FTPOptions['port'], array(), $FTPOptions['user'], $FTPOptions['pass']);
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}
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// In case of restricted permissions we zap it one way or the other
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// as long as the owner is either the webserver or the ftp.
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if (@rmdir($path))
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{
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$ret = true;
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}
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elseif ($FTPOptions['enabled'] == 1)
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{
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// Translate path and delete
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$path = JPath::clean(str_replace(JPATH_ROOT, $FTPOptions['root'], $path), '/');
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// FTP connector throws an error
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$ret = $ftp->delete($path);
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}
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else
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{
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JLog::add(JText::sprintf('JLIB_FILESYSTEM_ERROR_FOLDER_DELETE', $path), JLog::WARNING, 'jerror');
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$ret = false;
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}
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return $ret;
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}
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/**
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* Moves a folder.
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*
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* @param string $src The path to the source folder.
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* @param string $dest The path to the destination folder.
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* @param string $path An optional base path to prefix to the file names.
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* @param boolean $use_streams Optionally use streams.
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*
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* @return mixed Error message on false or boolean true on success.
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*
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* @since 11.1
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*/
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public static function move($src, $dest, $path = '', $use_streams = false)
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{
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$FTPOptions = JClientHelper::getCredentials('ftp');
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if ($path)
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{
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$src = JPath::clean($path . '/' . $src);
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$dest = JPath::clean($path . '/' . $dest);
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}
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if (!self::exists($src))
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{
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return JText::_('JLIB_FILESYSTEM_ERROR_FIND_SOURCE_FOLDER');
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}
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if (self::exists($dest))
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{
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return JText::_('JLIB_FILESYSTEM_ERROR_FOLDER_EXISTS');
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||
|
|
}
|
||
|
|
if ($use_streams)
|
||
|
|
{
|
||
|
|
$stream = JFactory::getStream();
|
||
|
|
if (!$stream->move($src, $dest))
|
||
|
|
{
|
||
|
|
return JText::sprintf('JLIB_FILESYSTEM_ERROR_FOLDER_RENAME', $stream->getError());
|
||
|
|
}
|
||
|
|
$ret = true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if ($FTPOptions['enabled'] == 1)
|
||
|
|
{
|
||
|
|
// Connect the FTP client
|
||
|
|
$ftp = JClientFtp::getInstance($FTPOptions['host'], $FTPOptions['port'], array(), $FTPOptions['user'], $FTPOptions['pass']);
|
||
|
|
|
||
|
|
// Translate path for the FTP account
|
||
|
|
$src = JPath::clean(str_replace(JPATH_ROOT, $FTPOptions['root'], $src), '/');
|
||
|
|
$dest = JPath::clean(str_replace(JPATH_ROOT, $FTPOptions['root'], $dest), '/');
|
||
|
|
|
||
|
|
// Use FTP rename to simulate move
|
||
|
|
if (!$ftp->rename($src, $dest))
|
||
|
|
{
|
||
|
|
return JText::_('Rename failed');
|
||
|
|
}
|
||
|
|
$ret = true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (!@rename($src, $dest))
|
||
|
|
{
|
||
|
|
return JText::_('Rename failed');
|
||
|
|
}
|
||
|
|
$ret = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrapper for the standard file_exists function
|
||
|
|
*
|
||
|
|
* @param string $path Folder name relative to installation dir
|
||
|
|
*
|
||
|
|
* @return boolean True if path is a folder
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public static function exists($path)
|
||
|
|
{
|
||
|
|
return is_dir(JPath::clean($path));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Utility function to read the files in a folder.
|
||
|
|
*
|
||
|
|
* @param string $path The path of the folder to read.
|
||
|
|
* @param string $filter A filter for file names.
|
||
|
|
* @param mixed $recurse True to recursively search into sub-folders, or an integer to specify the maximum depth.
|
||
|
|
* @param boolean $full True to return the full path to the file.
|
||
|
|
* @param array $exclude Array with names of files which should not be shown in the result.
|
||
|
|
* @param array $excludefilter Array of filter to exclude
|
||
|
|
* @param boolean $naturalSort False for asort, true for natsort
|
||
|
|
*
|
||
|
|
* @return array Files in the given folder.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public static function files($path, $filter = '.', $recurse = false, $full = false, $exclude = array('.svn', 'CVS', '.DS_Store', '__MACOSX'),
|
||
|
|
$excludefilter = array('^\..*', '.*~'), $naturalSort = false)
|
||
|
|
{
|
||
|
|
// Check to make sure the path valid and clean
|
||
|
|
$path = JPath::clean($path);
|
||
|
|
|
||
|
|
// Is the path a folder?
|
||
|
|
if (!is_dir($path))
|
||
|
|
{
|
||
|
|
JLog::add(JText::sprintf('JLIB_FILESYSTEM_ERROR_PATH_IS_NOT_A_FOLDER_FILES', $path), JLog::WARNING, 'jerror');
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Compute the excludefilter string
|
||
|
|
if (count($excludefilter))
|
||
|
|
{
|
||
|
|
$excludefilter_string = '/(' . implode('|', $excludefilter) . ')/';
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$excludefilter_string = '';
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the files
|
||
|
|
$arr = self::_items($path, $filter, $recurse, $full, $exclude, $excludefilter_string, true);
|
||
|
|
|
||
|
|
// Sort the files based on either natural or alpha method
|
||
|
|
if ($naturalSort)
|
||
|
|
{
|
||
|
|
natsort($arr);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
asort($arr);
|
||
|
|
}
|
||
|
|
return array_values($arr);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Utility function to read the folders in a folder.
|
||
|
|
*
|
||
|
|
* @param string $path The path of the folder to read.
|
||
|
|
* @param string $filter A filter for folder names.
|
||
|
|
* @param mixed $recurse True to recursively search into sub-folders, or an integer to specify the maximum depth.
|
||
|
|
* @param boolean $full True to return the full path to the folders.
|
||
|
|
* @param array $exclude Array with names of folders which should not be shown in the result.
|
||
|
|
* @param array $excludefilter Array with regular expressions matching folders which should not be shown in the result.
|
||
|
|
*
|
||
|
|
* @return array Folders in the given folder.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public static function folders($path, $filter = '.', $recurse = false, $full = false, $exclude = array('.svn', 'CVS', '.DS_Store', '__MACOSX'),
|
||
|
|
$excludefilter = array('^\..*'))
|
||
|
|
{
|
||
|
|
// Check to make sure the path valid and clean
|
||
|
|
$path = JPath::clean($path);
|
||
|
|
|
||
|
|
// Is the path a folder?
|
||
|
|
if (!is_dir($path))
|
||
|
|
{
|
||
|
|
JLog::add(JText::sprintf('JLIB_FILESYSTEM_ERROR_PATH_IS_NOT_A_FOLDER_FOLDER', $path), JLog::WARNING, 'jerror');
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Compute the excludefilter string
|
||
|
|
if (count($excludefilter))
|
||
|
|
{
|
||
|
|
$excludefilter_string = '/(' . implode('|', $excludefilter) . ')/';
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$excludefilter_string = '';
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the folders
|
||
|
|
$arr = self::_items($path, $filter, $recurse, $full, $exclude, $excludefilter_string, false);
|
||
|
|
|
||
|
|
// Sort the folders
|
||
|
|
asort($arr);
|
||
|
|
return array_values($arr);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Function to read the files/folders in a folder.
|
||
|
|
*
|
||
|
|
* @param string $path The path of the folder to read.
|
||
|
|
* @param string $filter A filter for file names.
|
||
|
|
* @param mixed $recurse True to recursively search into sub-folders, or an integer to specify the maximum depth.
|
||
|
|
* @param boolean $full True to return the full path to the file.
|
||
|
|
* @param array $exclude Array with names of files which should not be shown in the result.
|
||
|
|
* @param string $excludefilter_string Regexp of files to exclude
|
||
|
|
* @param boolean $findfiles True to read the files, false to read the folders
|
||
|
|
*
|
||
|
|
* @return array Files.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
protected static function _items($path, $filter, $recurse, $full, $exclude, $excludefilter_string, $findfiles)
|
||
|
|
{
|
||
|
|
@set_time_limit(ini_get('max_execution_time'));
|
||
|
|
|
||
|
|
$arr = array();
|
||
|
|
|
||
|
|
// Read the source directory
|
||
|
|
if (!($handle = @opendir($path)))
|
||
|
|
{
|
||
|
|
return $arr;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (($file = readdir($handle)) !== false)
|
||
|
|
{
|
||
|
|
if ($file != '.' && $file != '..' && !in_array($file, $exclude)
|
||
|
|
&& (empty($excludefilter_string) || !preg_match($excludefilter_string, $file)))
|
||
|
|
{
|
||
|
|
// Compute the fullpath
|
||
|
|
$fullpath = $path . DIRECTORY_SEPARATOR . $file;
|
||
|
|
|
||
|
|
// Compute the isDir flag
|
||
|
|
$isDir = is_dir($fullpath);
|
||
|
|
|
||
|
|
if (($isDir xor $findfiles) && preg_match("/$filter/", $file))
|
||
|
|
{
|
||
|
|
// (fullpath is dir and folders are searched or fullpath is not dir and files are searched) and file matches the filter
|
||
|
|
if ($full)
|
||
|
|
{
|
||
|
|
// Full path is requested
|
||
|
|
$arr[] = $fullpath;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Filename is requested
|
||
|
|
$arr[] = $file;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($isDir && $recurse)
|
||
|
|
{
|
||
|
|
// Search recursively
|
||
|
|
if (is_int($recurse))
|
||
|
|
{
|
||
|
|
// Until depth 0 is reached
|
||
|
|
$arr = array_merge($arr, self::_items($fullpath, $filter, $recurse - 1, $full, $exclude, $excludefilter_string, $findfiles));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$arr = array_merge($arr, self::_items($fullpath, $filter, $recurse, $full, $exclude, $excludefilter_string, $findfiles));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
closedir($handle);
|
||
|
|
return $arr;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Lists folder in format suitable for tree display.
|
||
|
|
*
|
||
|
|
* @param string $path The path of the folder to read.
|
||
|
|
* @param string $filter A filter for folder names.
|
||
|
|
* @param integer $maxLevel The maximum number of levels to recursively read, defaults to three.
|
||
|
|
* @param integer $level The current level, optional.
|
||
|
|
* @param integer $parent Unique identifier of the parent folder, if any.
|
||
|
|
*
|
||
|
|
* @return array Folders in the given folder.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public static function listFolderTree($path, $filter, $maxLevel = 3, $level = 0, $parent = 0)
|
||
|
|
{
|
||
|
|
$dirs = array();
|
||
|
|
if ($level == 0)
|
||
|
|
{
|
||
|
|
$GLOBALS['_JFolder_folder_tree_index'] = 0;
|
||
|
|
}
|
||
|
|
if ($level < $maxLevel)
|
||
|
|
{
|
||
|
|
$folders = self::folders($path, $filter);
|
||
|
|
|
||
|
|
// First path, index foldernames
|
||
|
|
foreach ($folders as $name)
|
||
|
|
{
|
||
|
|
$id = ++$GLOBALS['_JFolder_folder_tree_index'];
|
||
|
|
$fullName = JPath::clean($path . '/' . $name);
|
||
|
|
$dirs[] = array('id' => $id, 'parent' => $parent, 'name' => $name, 'fullname' => $fullName,
|
||
|
|
'relname' => str_replace(JPATH_ROOT, '', $fullName));
|
||
|
|
$dirs2 = self::listFolderTree($fullName, $filter, $maxLevel, $level + 1, $id);
|
||
|
|
$dirs = array_merge($dirs, $dirs2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $dirs;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Makes path name safe to use.
|
||
|
|
*
|
||
|
|
* @param string $path The full path to sanitise.
|
||
|
|
*
|
||
|
|
* @return string The sanitised string.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public static function makeSafe($path)
|
||
|
|
{
|
||
|
|
$regex = array('#[^A-Za-z0-9:_\\\/-]#');
|
||
|
|
return preg_replace($regex, '', $path);
|
||
|
|
}
|
||
|
|
}
|