freenetis-github/system/libraries/Archive.php @ master
| 8baed187 | Michal Kliment | <?php defined('SYSPATH') or die('No direct script access.');
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/**
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* Archive library.
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*
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* $Id: Archive.php 1924 2008-02-05 16:39:20Z Shadowhand $
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*
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* @package Archive
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* @author Kohana Team
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* @copyright (c) 2007-2008 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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class Archive {
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// Files and directories
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protected $paths;
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// Driver instance
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protected $driver;
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/**
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* Loads the archive driver.
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*
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* @throws Kohana_Exception
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* @param string type of archive to create
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* @return void
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*/
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public function __construct($type = NULL)
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{
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$type = empty($type) ? 'zip' : $type;
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// Set driver name
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$driver = 'Archive_'.ucfirst($type).'_Driver';
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// Load the driver
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if ( ! Kohana::auto_load($driver))
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throw new Kohana_Exception('archive.driver_not_supported', $type);
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// Initialize the driver
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$this->driver = new $driver();
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// Validate the driver
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if ( ! ($this->driver instanceof Archive_Driver))
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throw new Kohana_Exception('archive.driver_implements', $type);
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Log::add('debug', 'Archive Library initialized');
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}
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/**
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* Adds files or directories, recursively, to an archive.
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*
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* @param string file or directory to add
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* @param string name to use for the given file or directory
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* @param bool add files recursively, used with directories
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* @return object
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*/
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public function add($path, $name = NULL, $recursive = NULL)
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{
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// Normalize to forward slashes
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$path = str_replace('\\', '/', $path);
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// Set the name
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($name === NULL) and $name = $path;
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if (file_exists($path) AND is_dir($path))
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{
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// Force directories to end with a slash
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$path = rtrim($path, '/').'/';
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$name = rtrim($name, '/').'/';
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// Add the directory to the paths
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$this->paths[] = array($path, $name);
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if ($recursive == TRUE)
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{
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$dir = opendir($path);
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while (($file = readdir($dir)) !== FALSE)
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{
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// Do not add hidden files or directories
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if (substr($file, 0, 1) === '.')
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continue;
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// Add directory contents
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$this->add($path.$file, $name.$file, TRUE);
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}
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closedir($dir);
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}
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}
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else
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{
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$this->paths[] = array($path, $name);
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}
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return $this;
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}
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/**
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* Creates an archive and saves it into a file.
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*
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* @throws Kohana_Exception
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* @param string archive filename
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* @return boolean
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*/
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public function save($filename)
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{
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// Get the directory name
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$directory = pathinfo($filename, PATHINFO_DIRNAME);
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if ( ! is_writable($directory))
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throw new Kohana_Exception('archive.directory_unwritable', $directory);
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if (file_exists($filename))
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{
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// Unable to write to the file
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if ( ! is_writable($filename))
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throw new Kohana_Exception('archive.filename_conflict', $filename);
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// Remove the file
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unlink($filename);
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}
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return $this->driver->create($this->paths, $filename);
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}
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/**
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* Creates a raw archive file and returns it.
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*
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* @return string
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*/
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public function create()
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{
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return $this->driver->create($this->paths);
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}
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/**
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* Forces a download of a created archive.
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*
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* @param string name of the file that will be downloaded
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* @return void
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*/
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public function download($filename)
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{
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download::force($filename, $this->driver->create($this->paths));
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}
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} // End Archive
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