/libraries/chola/filesystem/file.php
PHP | 448 lines | 244 code | 55 blank | 149 comment | 64 complexity | 64d504bc09f0923cedd1f63dc285bafa MD5 | raw file
- <?php
- /**
- * @version $Id: file.php 20196 2011-01-09 02:40:25Z ian $
- * @package Chola.Framework
- * @subpackage FileSystem
- * @copyright Copyright (C) 2005 - 2011 Cholalabs Software LLP. All rights reserved.
- * @license GNU General Public License version 2 or later; see LICENSE.txt
- */
- // No direct access
- defined('JPATH_BASE') or die;
- jimport('chola.filesystem.path');
- /**
- * A File handling class
- *
- * @static
- * @package Chola.Framework
- * @subpackage FileSystem
- * @since 1.5
- */
- class JFile
- {
- /**
- * Gets the extension of a file name
- *
- * @param string $file The file name
- *
- * @return string The file extension
- * @since 1.5
- */
- public static function getExt($file)
- {
- $dot = strrpos($file, '.') + 1;
- return substr($file, $dot);
- }
- /**
- * Strips the last extension off a file name
- *
- * @param string $file The file name
- *
- * @return string The file name without the extension
- * @since 1.5
- */
- public static function stripExt($file)
- {
- return preg_replace('#\.[^.]*$#', '', $file);
- }
- /**
- * Makes file name safe to use
- *
- * @param string $file The name of the file [not full path]
- *
- * @return string The sanitised string
- * @since 1.5
- */
- public static function makeSafe($file)
- {
- $regex = array('#(\.){2,}#', '#[^A-Za-z0-9\.\_\- ]#', '#^\.#');
- return preg_replace($regex, '', $file);
- }
- /**
- * Copies a file
- *
- * @param string $src The path to the source file
- * @param string $dest The path to the destination file
- * @param string $path An optional base path to prefix to the file names
- *
- * @return boolean True on success
- * @since 1.5
- */
- public static function copy($src, $dest, $path = null, $use_streams=false)
- {
- // Prepend a base path if it exists
- if ($path) {
- $src = JPath::clean($path.DS.$src);
- $dest = JPath::clean($path.DS.$dest);
- }
- //Check src path
- if (!is_readable($src)) {
- JError::raiseWarning(21, JText::sprintf('JLIB_FILESYSTEM_ERROR_JFILE_FIND_COPY', $src));
- return false;
- }
- if ($use_streams) {
- $stream = JFactory::getStream();
- if (!$stream->copy($src, $dest)) {
- JError::raiseWarning(21, JText::sprintf('JLIB_FILESYSTEM_ERROR_JFILE_STREAMS', $src, $dest, $stream->getError()));
- return false;
- }
- return true;
- } else {
- // Initialise variables.
- jimport('chola.client.helper');
- $FTPOptions = JClientHelper::getCredentials('ftp');
- if ($FTPOptions['enabled'] == 1) {
- // Connect the FTP client
- jimport('chola.client.ftp');
- $ftp = JFTP::getInstance($FTPOptions['host'], $FTPOptions['port'], null, $FTPOptions['user'], $FTPOptions['pass']);
- // If the parent folder doesn't exist we must create it
- if (!file_exists(dirname($dest))) {
- jimport('chola.filesystem.folder');
- JFolder::create(dirname($dest));
- }
- //Translate the destination path for the FTP account
- $dest = JPath::clean(str_replace(JPATH_ROOT, $FTPOptions['root'], $dest), '/');
- if (!$ftp->store($src, $dest)) {
- // FTP connector throws an error
- return false;
- }
- $ret = true;
- } else {
- if (!@ copy($src, $dest)) {
- JError::raiseWarning(21, JText::_('JLIB_FILESYSTEM_ERROR_COPY_FAILED'));
- return false;
- }
- $ret = true;
- }
- return $ret;
- }
- }
- /**
- * Delete a file or array of files
- *
- * @param mixed $file The file name or an array of file names
- *
- * @return boolean True on success
- * @since 1.5
- */
- public static function delete($file)
- {
- // Initialise variables.
- jimport('chola.client.helper');
- $FTPOptions = JClientHelper::getCredentials('ftp');
- if (is_array($file)) {
- $files = $file;
- } else {
- $files[] = $file;
- }
- // Do NOT use ftp if it is not enabled
- if ($FTPOptions['enabled'] == 1) {
- // Connect the FTP client
- jimport('chola.client.ftp');
- $ftp = JFTP::getInstance($FTPOptions['host'], $FTPOptions['port'], null, $FTPOptions['user'], $FTPOptions['pass']);
- }
- foreach ($files as $file) {
- $file = JPath::clean($file);
- // Try making the file writeable first. If it's read-only, it can't be deleted
- // on Windows, even if the parent folder is writeable
- @chmod($file, 0777);
- // In case of restricted permissions we zap it one way or the other
- // as long as the owner is either the webserver or the ftp
- if (@unlink($file)) {
- // Do nothing
- } elseif ($FTPOptions['enabled'] == 1) {
- $file = JPath::clean(str_replace(JPATH_ROOT, $FTPOptions['root'], $file), '/');
- if (!$ftp->delete($file)) {
- // FTP connector throws an error
- return false;
- }
- } else {
- $filename = basename($file);
- JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('JLIB_FILESYSTEM_DELETE_FAILED', $filename));
- return false;
- }
- }
- return true;
- }
- /**
- * Moves a file
- *
- * @param string $src The path to the source file
- * @param string $dest The path to the destination file
- * @param string $path An optional base path to prefix to the file names
- *
- * @return boolean True on success
- * @since 1.5
- */
- public static function move($src, $dest, $path = '', $use_streams=false)
- {
- if ($path) {
- $src = JPath::clean($path.DS.$src);
- $dest = JPath::clean($path.DS.$dest);
- }
- //Check src path
- if (!is_readable($src)) { // && !is_writable($src)) { // file may not be writable by php if via ftp!
- return JText::_('JLIB_FILESYSTEM_CANNOT_FIND_SOURCE_FILE');
- }
- if($use_streams) {
- $stream = JFactory::getStream();
- if (!$stream->move($src, $dest)) {
- JError::raiseWarning(21, JText::sprintf('JLIB_FILESYSTEM_ERROR_JFILE_MOVE_STREAMS', $stream->getError()));
- return false;
- }
- return true;
- } else {
- // Initialise variables.
- jimport('chola.client.helper');
- $FTPOptions = JClientHelper::getCredentials('ftp');
- if ($FTPOptions['enabled'] == 1) {
- // Connect the FTP client
- jimport('chola.client.ftp');
- $ftp = JFTP::getInstance($FTPOptions['host'], $FTPOptions['port'], null, $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, $dest)) {
- JError::raiseWarning(21, JText::_('JLIB_FILESYSTEM_ERROR_RENAME_FILE'));
- return false;
- }
- } else {
- if (!@ rename($src, $dest)) {
- JError::raiseWarning(21, JText::_('JLIB_FILESYSTEM_ERROR_RENAME_FILE'));
- return false;
- }
- }
- return true;
- }
- }
- /**
- * Read the contents of a file
- *
- * @param string $filename The full file path
- * @param boolean $incpath Use include path
- * @param int $amount Amount of file to read
- * @param int $chunksize Size of chunks to read
- * @param int $offset Offset of the file
- *
- * @return mixed Returns file contents or boolean False if failed
- * @since 1.5
- */
- public static function read($filename, $incpath = false, $amount = 0, $chunksize = 8192, $offset = 0)
- {
- // Initialise variables.
- $data = null;
- if ($amount && $chunksize > $amount) {
- $chunksize = $amount;
- }
- if (false === $fh = fopen($filename, 'rb', $incpath)) {
- JError::raiseWarning(21, JText::sprintf('JLIB_FILESYSTEM_ERROR_READ_UNABLE_TO_OPEN_FILE', $filename));
- return false;
- }
- clearstatcache();
- if ($offset) {
- fseek($fh, $offset);
- }
- if ($fsize = @ filesize($filename)) {
- if ($amount && $fsize > $amount) {
- $data = fread($fh, $amount);
- } else {
- $data = fread($fh, $fsize);
- }
- } else {
- $data = '';
- $x = 0;
- // While its:
- // 1: Not the end of the file AND
- // 2a: No Max Amount set OR
- // 2b: The length of the data is less than the max amount we want
- while (!feof($fh) && (!$amount || strlen($data) < $amount)) {
- $data .= fread($fh, $chunksize);
- }
- }
- fclose($fh);
- return $data;
- }
- /**
- * Write contents to a file
- *
- * @param string $file The full file path
- * @param string $buffer The buffer to write
- *
- * @return boolean True on success
- * @since 1.5
- */
- public static function write($file, &$buffer, $use_streams=false)
- {
- // If the destination directory doesn't exist we need to create it
- if (!file_exists(dirname($file))) {
- jimport('chola.filesystem.folder');
- JFolder::create(dirname($file));
- }
- if ($use_streams) {
- $stream = JFactory::getStream();
- $stream->set('chunksize', (1024 * 1024 * 1024)); // beef up the chunk size to a meg
- if (!$stream->writeFile($file, $buffer)) {
- JError::raiseWarning(21, JText::sprintf('JLIB_FILESYSTEM_ERROR_WRITE_STREAMS', $file, $stream->getError()));
- return false;
- }
- return true;
- } else {
- // Initialise variables.
- jimport('chola.client.helper');
- $FTPOptions = JClientHelper::getCredentials('ftp');
- if ($FTPOptions['enabled'] == 1) {
- // Connect the FTP client
- jimport('chola.client.ftp');
- $ftp = JFTP::getInstance($FTPOptions['host'], $FTPOptions['port'], null, $FTPOptions['user'], $FTPOptions['pass']);
- // Translate path for the FTP account and use FTP write buffer to file
- $file = JPath::clean(str_replace(JPATH_ROOT, $FTPOptions['root'], $file), '/');
- $ret = $ftp->write($file, $buffer);
- } else {
- $file = JPath::clean($file);
- $ret = is_int(file_put_contents($file, $buffer)) ? true : false;
- }
- return $ret;
- }
- }
- /**
- * Moves an uploaded file to a destination folder
- *
- * @param string $src The name of the php (temporary) uploaded file
- * @param string $dest The path (including filename) to move the uploaded file to
- *
- * @return boolean True on success
- * @since 1.5
- */
- public static function upload($src, $dest, $use_streams=false)
- {
- // Ensure that the path is valid and clean
- $dest = JPath::clean($dest);
- // Create the destination directory if it does not exist
- $baseDir = dirname($dest);
- if (!file_exists($baseDir)) {
- jimport('chola.filesystem.folder');
- JFolder::create($baseDir);
- }
- if($use_streams) {
- $stream = JFactory::getStream();
- if (!$stream->upload($src, $dest)) {
- JError::raiseWarning(21, JText::sprintf('JLIB_FILESYSTEM_ERROR_UPLOAD', $stream->getError()));
- return false;
- }
- return true;
- } else {
- // Initialise variables.
- jimport('chola.client.helper');
- $FTPOptions = JClientHelper::getCredentials('ftp');
- $ret = false;
- if ($FTPOptions['enabled'] == 1) {
- // Connect the FTP client
- jimport('chola.client.ftp');
- $ftp = JFTP::getInstance($FTPOptions['host'], $FTPOptions['port'], null, $FTPOptions['user'], $FTPOptions['pass']);
- //Translate path for the FTP account
- $dest = JPath::clean(str_replace(JPATH_ROOT, $FTPOptions['root'], $dest), '/');
- // Copy the file to the destination directory
- if ($ftp->store($src, $dest)) {
- $ftp->chmod($dest, 0777);
- $ret = true;
- } else {
- JError::raiseWarning(21, JText::_('JLIB_FILESYSTEM_ERROR_WARNFS_ERR02'));
- }
- } else {
- if (is_writeable($baseDir) && move_uploaded_file($src, $dest)) { // Short circuit to prevent file permission errors
- if (JPath::setPermissions($dest)) {
- $ret = true;
- } else {
- JError::raiseWarning(21, JText::_('JLIB_FILESYSTEM_ERROR_WARNFS_ERR01'));
- }
- } else {
- JError::raiseWarning(21, JText::_('JLIB_FILESYSTEM_ERROR_WARNFS_ERR02'));
- }
- }
- return $ret;
- }
- }
- /**
- * Wrapper for the standard file_exists function
- *
- * @param string $file File path
- *
- * @return boolean True if path is a file
- * @since 1.5
- */
- public static function exists($file)
- {
- return is_file(JPath::clean($file));
- }
- /**
- * Returns the name, without any path.
- *
- * @param string $file File path
- * @return string filename
- * @since 1.5
- */
- public static function getName($file)
- {
- $slash = strrpos($file, DS);
- if ($slash !== false) {
- return substr($file, $slash + 1);
- } else {
- return $file;
- }
- }
- }