<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Mail
* @subpackage Storage
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Mbox.php 24594 2012-01-05 21:27:01Z matthew $
*/
/**
* @see Zend_Mail_Storage_Folder
*/
require_once 'Zend/Mail/Storage/Folder.php';
/**
* @see Zend_Mail_Storage_Folder_Interface
*/
require_once 'Zend/Mail/Storage/Folder/Interface.php';
/**
* @see Zend_Mail_Storage_Mbox
*/
require_once 'Zend/Mail/Storage/Mbox.php';
/**
* @category Zend
* @package Zend_Mail
* @subpackage Storage
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Mail_Storage_Folder_Mbox extends Zend_Mail_Storage_Mbox implements Zend_Mail_Storage_Folder_Interface
{
/**
* Zend_Mail_Storage_Folder root folder for folder structure
* @var Zend_Mail_Storage_Folder
*/
protected $_rootFolder;
/**
* rootdir of folder structure
* @var string
*/
protected $_rootdir;
/**
* name of current folder
* @var string
*/
protected $_currentFolder;
/**
* Create instance with parameters
*
* Disallowed parameters are:
* - filename use Zend_Mail_Storage_Mbox for a single file
* Supported parameters are:
* - dirname rootdir of mbox structure
* - folder intial selected folder, default is 'INBOX'
*
* @param array $params mail reader specific parameters
* @throws Zend_Mail_Storage_Exception
*/
public function __construct($params)
{
if (is_array($params)) {
$params = (object)$params;
}
if (isset($params->filename)) {
/**
* @see Zend_Mail_Storage_Exception
*/
require_once 'Zend/Mail/Storage/Exception.php';
throw new Zend_Mail_Storage_Exception('use Zend_Mail_Storage_Mbox for a single file');
}
if (!isset($params->dirname) || !is_dir($params->dirname)) {
/**
* @see Zend_Mail_Storage_Exception
*/
require_once 'Zend/Mail/Storage/Exception.php';
throw new Zend_Mail_Storage_Exception('no valid dirname given in params');
}
$this->_rootdir = rtrim($params->dirname, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
$this->_buildFolderTree($this->_rootdir);
$this->selectFolder(!empty($params->folder) ? $params->folder : 'INBOX');
$this->_has['top'] = true;
$this->_has['uniqueid'] = false;
}
/**
* find all subfolders and mbox files for folder structure
*
* Result is save in Zend_Mail_Storage_Folder instances with the root in $this->_rootFolder.
* $parentFolder and $parentGlobalName are only used internally for recursion.
*
* @param string $currentDir call with root dir, also used for recursion.
* @param Zend_Mail_Storage_Folder|null $parentFolder used for recursion
* @param string $parentGlobalName used for rescursion
* @return null
* @throws Zend_Mail_Storage_Exception
*/
protected function _buildFolderTree($currentDir, $parentFolder = null, $parentGlobalName = '')
{
if (!$parentFolder) {
$this->_rootFolder = new Zend_Mail_Storage_Folder('/', '/', false);
$parentFolder = $this->_rootFolder;
}
$dh = @opendir($currentDir);
if (!$dh) {
/**
* @see Zend_Mail_Storage_Exception
*/
require_once 'Zend/Mail/Storage/Exception.php';
throw new Zend_Mail_Storage_Exception("can't read dir $currentDir");
}
while (($entry = readdir($dh)) !== false) {
// ignore hidden files for mbox
if ($entry[0] == '.') {
continue;
}
$absoluteEntry = $currentDir . $entry;
$globalName = $parentGlobalName . DIRECTORY_SEPARATOR . $entry;
if (is_file($absoluteEntry) && $this->_isMboxFile($absoluteEntry)) {
$parentFolder->$entry = new Zend_Mail_Storage_Folder($entry, $globalName);
continue;
}
if (!is_dir($absoluteEntry) /* || $entry == '.' || $entry == '..' */) {
continue;
}
$folder = new Zend_Mail_Storage_Folder($entry, $globalName, false);
$parentFolder->$entry = $folder;
$this->_buildFolderTree($absoluteEntry . DIRECTORY_SEPARATOR, $folder, $globalName);
}
closedir($dh);
}
/**
* get root folder or given folder
*
* @param string $rootFolder get folder structure for given folder, else root
* @return Zend_Mail_Storage_Folder root or wanted folder
* @throws Zend_Mail_Storage_Exception
*/
public function getFolders($rootFolder = null)
{
if (!$rootFolder) {
return $this->_rootFolder;
}
$currentFolder = $this->_rootFolder;
$subname = trim($rootFolder, DIRECTORY_SEPARATOR);
while ($currentFolder) {
@list($entry, $subname) = @explode(DIRECTORY_SEPARATOR, $subname, 2);
$currentFolder = $currentFolder->$entry;
if (!$subname) {
break;
}
}
if ($currentFolder->getGlobalName() != DIRECTORY_SEPARATOR . trim($rootFolder, DIRECTORY_SEPARATOR)) {
/**
* @see Zend_Mail_Storage_Exception
*/
require_once 'Zend/Mail/Storage/Exception.php';
throw new Zend_Mail_Storage_Exception("folder $rootFolder not found");
}
return $currentFolder;
}
/**
* select given folder
*
* folder must be selectable!
*
* @param Zend_Mail_Storage_Folder|string $globalName global name of folder or instance for subfolder
* @return null
* @throws Zend_Mail_Storage_Exception
*/
public function selectFolder($globalName)
{
$this->_currentFolder = (string)$globalName;
// getting folder from folder tree for validation
$folder = $this->getFolders($this->_currentFolder);
try {
$this->_openMboxFile($this->_rootdir . $folder->getGlobalName());
} catch(Zend_Mail_Storage_Exception $e) {
// check what went wrong
if (!$folder->isSelectable()) {
/**
* @see Zend_Mail_Storage_Exception
*/
require_once 'Zend/Mail/Storage/Exception.php';
throw new Zend_Mail_Storage_Exception("{$this->_currentFolder} is not selectable", 0, $e);
}
// seems like file has vanished; rebuilding folder tree - but it's still an exception
$this->_buildFolderTree($this->_rootdir);
/**
* @see Zend_Mail_Storage_Exception
*/
require_once 'Zend/Mail/Storage/Exception.php';
throw new Zend_Mail_Storage_Exception('seems like the mbox file has vanished, I\'ve rebuild the ' .
'folder tree, search for an other folder and try again', 0, $e);
}
}
/**
* get Zend_Mail_Storage_Folder instance for current folder
*
* @return Zend_Mail_Storage_Folder instance of current folder
* @throws Zend_Mail_Storage_Exception
*/
public function getCurrentFolder()
{
return $this->_currentFolder;
}
/**
* magic method for serialize()
*
* with this method you can cache the mbox class
*
* @return array name of variables
*/
public function __sleep()
{
return array_merge(parent::__sleep(), array('_currentFolder', '_rootFolder', '_rootdir'));
}
/**
* magic method for unserialize()
*
* with this method you can cache the mbox class
*
* @return null
*/
public function __wakeup()
{
// if cache is stall selectFolder() rebuilds the tree on error
parent::__wakeup();
}
}