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Diffstat (limited to 'lib/Zend/Mail/Storage/Folder/Maildir.php')
| -rw-r--r-- | lib/Zend/Mail/Storage/Folder/Maildir.php | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/lib/Zend/Mail/Storage/Folder/Maildir.php b/lib/Zend/Mail/Storage/Folder/Maildir.php new file mode 100644 index 0000000..30b31aa --- /dev/null +++ b/lib/Zend/Mail/Storage/Folder/Maildir.php @@ -0,0 +1,265 @@ +<?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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id: Maildir.php 9098 2008-03-30 19:29:10Z thomas $ + */ + + +/** + * @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_Maildir + */ +require_once 'Zend/Mail/Storage/Maildir.php'; + + +/** + * @category Zend + * @package Zend_Mail + * @subpackage Storage + * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +class Zend_Mail_Storage_Folder_Maildir extends Zend_Mail_Storage_Maildir 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; + + /** + * delim char for subfolders + * @var string + */ + protected $_delim; + + /** + * Create instance with parameters + * Supported parameters are: + * - dirname rootdir of maildir structure + * - delim delim char for folder structur, default is '.' + * - folder intial selected folder, default is 'INBOX' + * + * @param $params array mail reader specific parameters + * @throws Zend_Mail_Storage_Exception + */ + public function __construct($params) + { + if (is_array($params)) { + $params = (object)$params; + } + + 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; + + $this->_delim = isset($params->delim) ? $params->delim : '.'; + + $this->_buildFolderTree(); + $this->selectFolder(!empty($params->folder) ? $params->folder : 'INBOX'); + $this->_has['top'] = true; + $this->_has['flags'] = true; + } + + /** + * 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. + * + * @return null + * @throws Zend_Mail_Storage_Exception + */ + protected function _buildFolderTree() + { + $this->_rootFolder = new Zend_Mail_Storage_Folder('/', '/', false); + $this->_rootFolder->INBOX = new Zend_Mail_Storage_Folder('INBOX', 'INBOX', true); + + $dh = @opendir($this->_rootdir); + if (!$dh) { + /** + * @see Zend_Mail_Storage_Exception + */ + require_once 'Zend/Mail/Storage/Exception.php'; + throw new Zend_Mail_Storage_Exception("can't read folders in maildir"); + } + $dirs = array(); + while (($entry = readdir($dh)) !== false) { + // maildir++ defines folders must start with . + if ($entry[0] != '.' || $entry == '.' || $entry == '..') { + continue; + } + if ($this->_isMaildir($this->_rootdir . $entry)) { + $dirs[] = $entry; + } + } + closedir($dh); + + sort($dirs); + $stack = array(null); + $folderStack = array(null); + $parentFolder = $this->_rootFolder; + $parent = '.'; + + foreach ($dirs as $dir) { + do { + if (strpos($dir, $parent) === 0) { + $local = substr($dir, strlen($parent)); + if (strpos($local, $this->_delim) !== false) { + /** + * @see Zend_Mail_Storage_Exception + */ + require_once 'Zend/Mail/Storage/Exception.php'; + throw new Zend_Mail_Storage_Exception('error while reading maildir'); + } + array_push($stack, $parent); + $parent = $dir . $this->_delim; + $folder = new Zend_Mail_Storage_Folder($local, substr($dir, 1), true); + $parentFolder->$local = $folder; + array_push($folderStack, $parentFolder); + $parentFolder = $folder; + break; + } else if ($stack) { + $parent = array_pop($stack); + $parentFolder = array_pop($folderStack); + } + } while ($stack); + if (!$stack) { + /** + * @see Zend_Mail_Storage_Exception + */ + require_once 'Zend/Mail/Storage/Exception.php'; + throw new Zend_Mail_Storage_Exception('error while reading maildir'); + } + } + } + + /** + * 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 || $rootFolder == 'INBOX') { + return $this->_rootFolder; + } + + // rootdir is same as INBOX in maildir + if (strpos($rootFolder, 'INBOX' . $this->_delim) === 0) { + $rootFolder = substr($rootFolder, 6); + } + $currentFolder = $this->_rootFolder; + $subname = trim($rootFolder, $this->_delim); + while ($currentFolder) { + @list($entry, $subname) = @explode($this->_delim, $subname, 2); + $currentFolder = $currentFolder->$entry; + if (!$subname) { + break; + } + } + + if ($currentFolder->getGlobalName() != rtrim($rootFolder, $this->_delim)) { + /** + * @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 { + $this->_openMaildir($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"); + } + // 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 maildir has vanished, I\'ve rebuild the ' . + 'folder tree, search for an other folder and try again'); + } + } + + /** + * 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; + } +} |