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266 lines
8.7 KiB
PHP
266 lines
8.7 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Mail
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* @subpackage Storage
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Mail_Storage_Folder
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*/
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require_once 'Zend/Mail/Storage/Folder.php';
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/**
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* @see Zend_Mail_Storage_Folder_Interface
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*/
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require_once 'Zend/Mail/Storage/Folder/Interface.php';
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/**
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* @see Zend_Mail_Storage_Maildir
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*/
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require_once 'Zend/Mail/Storage/Maildir.php';
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/**
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* @category Zend
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* @package Zend_Mail
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* @subpackage Storage
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Mail_Storage_Folder_Maildir extends Zend_Mail_Storage_Maildir implements Zend_Mail_Storage_Folder_Interface
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{
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/**
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* Zend_Mail_Storage_Folder root folder for folder structure
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* @var Zend_Mail_Storage_Folder
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*/
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protected $_rootFolder;
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/**
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* rootdir of folder structure
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* @var string
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*/
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protected $_rootdir;
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/**
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* name of current folder
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* @var string
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*/
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protected $_currentFolder;
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/**
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* delim char for subfolders
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* @var string
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*/
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protected $_delim;
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/**
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* Create instance with parameters
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* Supported parameters are:
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* - dirname rootdir of maildir structure
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* - delim delim char for folder structur, default is '.'
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* - folder intial selected folder, default is 'INBOX'
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*
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* @param array $params mail reader specific parameters
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* @throws Zend_Mail_Storage_Exception
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*/
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public function __construct($params)
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{
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if (is_array($params)) {
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$params = (object)$params;
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}
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if (!isset($params->dirname) || !is_dir($params->dirname)) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('no valid dirname given in params');
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}
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$this->_rootdir = rtrim($params->dirname, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
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$this->_delim = isset($params->delim) ? $params->delim : '.';
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$this->_buildFolderTree();
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$this->selectFolder(!empty($params->folder) ? $params->folder : 'INBOX');
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$this->_has['top'] = true;
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$this->_has['flags'] = true;
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}
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/**
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* find all subfolders and mbox files for folder structure
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*
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* Result is save in Zend_Mail_Storage_Folder instances with the root in $this->_rootFolder.
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* $parentFolder and $parentGlobalName are only used internally for recursion.
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*
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* @return null
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* @throws Zend_Mail_Storage_Exception
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*/
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protected function _buildFolderTree()
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{
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$this->_rootFolder = new Zend_Mail_Storage_Folder('/', '/', false);
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$this->_rootFolder->INBOX = new Zend_Mail_Storage_Folder('INBOX', 'INBOX', true);
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$dh = @opendir($this->_rootdir);
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if (!$dh) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception("can't read folders in maildir");
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}
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$dirs = array();
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while (($entry = readdir($dh)) !== false) {
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// maildir++ defines folders must start with .
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if ($entry[0] != '.' || $entry == '.' || $entry == '..') {
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continue;
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}
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if ($this->_isMaildir($this->_rootdir . $entry)) {
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$dirs[] = $entry;
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}
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}
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closedir($dh);
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sort($dirs);
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$stack = array(null);
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$folderStack = array(null);
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$parentFolder = $this->_rootFolder;
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$parent = '.';
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foreach ($dirs as $dir) {
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do {
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if (strpos($dir, $parent) === 0) {
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$local = substr($dir, strlen($parent));
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if (strpos($local, $this->_delim) !== false) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('error while reading maildir');
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}
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array_push($stack, $parent);
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$parent = $dir . $this->_delim;
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$folder = new Zend_Mail_Storage_Folder($local, substr($dir, 1), true);
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$parentFolder->$local = $folder;
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array_push($folderStack, $parentFolder);
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$parentFolder = $folder;
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break;
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} else if ($stack) {
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$parent = array_pop($stack);
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$parentFolder = array_pop($folderStack);
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}
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} while ($stack);
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if (!$stack) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('error while reading maildir');
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}
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}
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}
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/**
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* get root folder or given folder
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*
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* @param string $rootFolder get folder structure for given folder, else root
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* @return Zend_Mail_Storage_Folder root or wanted folder
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* @throws Zend_Mail_Storage_Exception
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*/
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public function getFolders($rootFolder = null)
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{
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if (!$rootFolder || $rootFolder == 'INBOX') {
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return $this->_rootFolder;
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}
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// rootdir is same as INBOX in maildir
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if (strpos($rootFolder, 'INBOX' . $this->_delim) === 0) {
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$rootFolder = substr($rootFolder, 6);
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}
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$currentFolder = $this->_rootFolder;
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$subname = trim($rootFolder, $this->_delim);
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while ($currentFolder) {
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@list($entry, $subname) = @explode($this->_delim, $subname, 2);
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$currentFolder = $currentFolder->$entry;
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if (!$subname) {
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break;
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}
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}
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if ($currentFolder->getGlobalName() != rtrim($rootFolder, $this->_delim)) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception("folder $rootFolder not found");
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}
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return $currentFolder;
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}
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/**
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* select given folder
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*
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* folder must be selectable!
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*
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* @param Zend_Mail_Storage_Folder|string $globalName global name of folder or instance for subfolder
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* @return null
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* @throws Zend_Mail_Storage_Exception
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*/
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public function selectFolder($globalName)
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{
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$this->_currentFolder = (string)$globalName;
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// getting folder from folder tree for validation
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$folder = $this->getFolders($this->_currentFolder);
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try {
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$this->_openMaildir($this->_rootdir . '.' . $folder->getGlobalName());
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} catch(Zend_Mail_Storage_Exception $e) {
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// check what went wrong
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if (!$folder->isSelectable()) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception("{$this->_currentFolder} is not selectable", 0, $e);
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}
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// seems like file has vanished; rebuilding folder tree - but it's still an exception
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$this->_buildFolderTree($this->_rootdir);
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('seems like the maildir has vanished, I\'ve rebuild the ' .
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'folder tree, search for an other folder and try again', 0, $e);
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}
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}
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/**
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* get Zend_Mail_Storage_Folder instance for current folder
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*
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* @return Zend_Mail_Storage_Folder instance of current folder
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* @throws Zend_Mail_Storage_Exception
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*/
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public function getCurrentFolder()
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{
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return $this->_currentFolder;
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}
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}
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