1049 Zeilen
39 KiB
PHP
1049 Zeilen
39 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) 2005-2011 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_Maildir
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*/
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require_once 'Zend/Mail/Storage/Folder/Maildir.php';
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/**
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* @see Zend_Mail_Storage_Writable_Interface
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*/
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require_once 'Zend/Mail/Storage/Writable/Interface.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) 2005-2011 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_Writable_Maildir extends Zend_Mail_Storage_Folder_Maildir
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implements Zend_Mail_Storage_Writable_Interface
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{
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// TODO: init maildir (+ constructor option create if not found)
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/**
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* use quota and size of quota if given
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* @var bool|int
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*/
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protected $_quota;
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/**
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* create a new maildir
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*
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* If the given dir is already a valid maildir this will not fail.
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*
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* @param string $dir directory for the new maildir (may already exist)
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* @return null
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* @throws Zend_Mail_Storage_Exception
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*/
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public static function initMaildir($dir)
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{
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if (file_exists($dir)) {
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if (!is_dir($dir)) {
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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('maildir must be a directory if already exists');
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}
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} else {
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if (!mkdir($dir)) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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$dir = dirname($dir);
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if (!file_exists($dir)) {
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throw new Zend_Mail_Storage_Exception("parent $dir not found");
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} else if (!is_dir($dir)) {
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throw new Zend_Mail_Storage_Exception("parent $dir not a directory");
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} else {
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throw new Zend_Mail_Storage_Exception('cannot create maildir');
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}
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}
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}
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foreach (array('cur', 'tmp', 'new') as $subdir) {
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if (!@mkdir($dir . DIRECTORY_SEPARATOR . $subdir)) {
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// ignore if dir exists (i.e. was already valid maildir or two processes try to create one)
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if (!file_exists($dir . DIRECTORY_SEPARATOR . $subdir)) {
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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('could not create subdir ' . $subdir);
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}
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}
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}
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}
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/**
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* Create instance with parameters
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* Additional parameters are (see parent for more):
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* - create if true a new maildir is create if none exists
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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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if (is_array($params)) {
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$params = (object)$params;
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}
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if (!empty($params->create) && isset($params->dirname) && !file_exists($params->dirname . DIRECTORY_SEPARATOR . 'cur')) {
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self::initMaildir($params->dirname);
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}
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parent::__construct($params);
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}
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/**
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* create a new folder
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*
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* This method also creates parent folders if necessary. Some mail storages may restrict, which folder
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* may be used as parent or which chars may be used in the folder name
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*
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* @param string $name global name of folder, local name if $parentFolder is set
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* @param string|Zend_Mail_Storage_Folder $parentFolder parent folder for new folder, else root folder is parent
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* @return string only used internally (new created maildir)
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* @throws Zend_Mail_Storage_Exception
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*/
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public function createFolder($name, $parentFolder = null)
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{
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if ($parentFolder instanceof Zend_Mail_Storage_Folder) {
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$folder = $parentFolder->getGlobalName() . $this->_delim . $name;
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} else if ($parentFolder != null) {
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$folder = rtrim($parentFolder, $this->_delim) . $this->_delim . $name;
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} else {
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$folder = $name;
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}
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$folder = trim($folder, $this->_delim);
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// first we check if we try to create a folder that does exist
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$exists = null;
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try {
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$exists = $this->getFolders($folder);
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} catch (Zend_Mail_Exception $e) {
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// ok
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}
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if ($exists) {
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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 already exists');
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}
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if (strpos($folder, $this->_delim . $this->_delim) !== false) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('invalid name - folder parts may not be empty');
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}
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if (strpos($folder, 'INBOX' . $this->_delim) === 0) {
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$folder = substr($folder, 6);
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}
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$fulldir = $this->_rootdir . '.' . $folder;
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// check if we got tricked and would create a dir outside of the rootdir or not as direct child
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if (strpos($folder, DIRECTORY_SEPARATOR) !== false || strpos($folder, '/') !== false
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|| dirname($fulldir) . DIRECTORY_SEPARATOR != $this->_rootdir) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('invalid name - no directory seprator allowed in folder name');
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}
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// has a parent folder?
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$parent = null;
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if (strpos($folder, $this->_delim)) {
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// let's see if the parent folder exists
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$parent = substr($folder, 0, strrpos($folder, $this->_delim));
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try {
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$this->getFolders($parent);
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} catch (Zend_Mail_Exception $e) {
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// does not - create parent folder
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$this->createFolder($parent);
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}
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}
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if (!@mkdir($fulldir) || !@mkdir($fulldir . DIRECTORY_SEPARATOR . 'cur')) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('error while creating new folder, may be created incompletly');
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}
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mkdir($fulldir . DIRECTORY_SEPARATOR . 'new');
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mkdir($fulldir . DIRECTORY_SEPARATOR . 'tmp');
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$localName = $parent ? substr($folder, strlen($parent) + 1) : $folder;
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$this->getFolders($parent)->$localName = new Zend_Mail_Storage_Folder($localName, $folder, true);
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return $fulldir;
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}
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/**
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* remove a folder
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*
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* @param string|Zend_Mail_Storage_Folder $name name or instance of folder
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* @return null
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* @throws Zend_Mail_Storage_Exception
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*/
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public function removeFolder($name)
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{
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// TODO: This could fail in the middle of the task, which is not optimal.
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// But there is no defined standard way to mark a folder as removed and there is no atomar fs-op
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// to remove a directory. Also moving the folder to a/the trash folder is not possible, as
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// all parent folders must be created. What we could do is add a dash to the front of the
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// directory name and it should be ignored as long as other processes obey the standard.
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if ($name instanceof Zend_Mail_Storage_Folder) {
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$name = $name->getGlobalName();
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}
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$name = trim($name, $this->_delim);
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if (strpos($name, 'INBOX' . $this->_delim) === 0) {
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$name = substr($name, 6);
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}
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// check if folder exists and has no children
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if (!$this->getFolders($name)->isLeaf()) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('delete children first');
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}
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if ($name == 'INBOX' || $name == DIRECTORY_SEPARATOR || $name == '/') {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('wont delete INBOX');
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}
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if ($name == $this->getCurrentFolder()) {
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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('wont delete selected folder');
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}
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foreach (array('tmp', 'new', 'cur', '.') as $subdir) {
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$dir = $this->_rootdir . '.' . $name . DIRECTORY_SEPARATOR . $subdir;
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if (!file_exists($dir)) {
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continue;
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}
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$dh = opendir($dir);
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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("error opening $subdir");
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}
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while (($entry = readdir($dh)) !== false) {
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if ($entry == '.' || $entry == '..') {
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continue;
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}
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if (!unlink($dir . DIRECTORY_SEPARATOR . $entry)) {
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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 cleaning $subdir");
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}
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}
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closedir($dh);
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if ($subdir !== '.') {
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if (!rmdir($dir)) {
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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 removing $subdir");
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}
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}
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}
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if (!rmdir($this->_rootdir . '.' . $name)) {
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// at least we should try to make it a valid maildir again
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mkdir($this->_rootdir . '.' . $name . DIRECTORY_SEPARATOR . 'cur');
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception("error removing maindir");
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}
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$parent = strpos($name, $this->_delim) ? substr($name, 0, strrpos($name, $this->_delim)) : null;
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$localName = $parent ? substr($name, strlen($parent) + 1) : $name;
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unset($this->getFolders($parent)->$localName);
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}
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/**
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* rename and/or move folder
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*
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* The new name has the same restrictions as in createFolder()
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*
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* @param string|Zend_Mail_Storage_Folder $oldName name or instance of folder
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* @param string $newName new global name of folder
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* @return null
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* @throws Zend_Mail_Storage_Exception
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*/
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public function renameFolder($oldName, $newName)
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{
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// TODO: This is also not atomar and has similar problems as removeFolder()
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if ($oldName instanceof Zend_Mail_Storage_Folder) {
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$oldName = $oldName->getGlobalName();
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}
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$oldName = trim($oldName, $this->_delim);
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if (strpos($oldName, 'INBOX' . $this->_delim) === 0) {
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$oldName = substr($oldName, 6);
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}
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$newName = trim($newName, $this->_delim);
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if (strpos($newName, 'INBOX' . $this->_delim) === 0) {
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$newName = substr($newName, 6);
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}
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if (strpos($newName, $oldName . $this->_delim) === 0) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('new folder cannot be a child of old folder');
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}
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// check if folder exists and has no children
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$folder = $this->getFolders($oldName);
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if ($oldName == 'INBOX' || $oldName == DIRECTORY_SEPARATOR || $oldName == '/') {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('wont rename INBOX');
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}
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if ($oldName == $this->getCurrentFolder()) {
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/**
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* @see Zend_Mail_Storage_Exception
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*/
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require_once 'Zend/Mail/Storage/Exception.php';
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throw new Zend_Mail_Storage_Exception('wont rename selected folder');
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}
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$newdir = $this->createFolder($newName);
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if (!$folder->isLeaf()) {
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foreach ($folder as $k => $v) {
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$this->renameFolder($v->getGlobalName(), $newName . $this->_delim . $k);
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}
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}
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$olddir = $this->_rootdir . '.' . $folder;
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foreach (array('tmp', 'new', 'cur') as $subdir) {
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$subdir = DIRECTORY_SEPARATOR . $subdir;
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if (!file_exists($olddir . $subdir)) {
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continue;
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}
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// using copy or moving files would be even better - but also much slower
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if (!rename($olddir . $subdir, $newdir . $subdir)) {
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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 moving ' . $subdir);
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}
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}
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// create a dummy if removing fails - otherwise we can't read it next time
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mkdir($olddir . DIRECTORY_SEPARATOR . 'cur');
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$this->removeFolder($oldName);
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}
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/**
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* create a uniqueid for maildir filename
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*
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* This is nearly the format defined in the maildir standard. The microtime() call should already
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* create a uniqueid, the pid is for multicore/-cpu machine that manage to call this function at the
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* exact same time, and uname() gives us the hostname for multiple machines accessing the same storage.
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*
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* If someone disables posix we create a random number of the same size, so this method should also
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* work on Windows - if you manage to get maildir working on Windows.
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* Microtime could also be disabled, altough I've never seen it.
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*
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* @return string new uniqueid
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*/
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protected function _createUniqueId()
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{
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$id = '';
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$id .= function_exists('microtime') ? microtime(true) : (time() . ' ' . rand(0, 100000));
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$id .= '.' . (function_exists('posix_getpid') ? posix_getpid() : rand(50, 65535));
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$id .= '.' . php_uname('n');
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return $id;
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}
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/**
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* open a temporary maildir file
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*
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* makes sure tmp/ exists and create a file with a unique name
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* you should close the returned filehandle!
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*
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* @param string $folder name of current folder without leading .
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* @return array array('dirname' => dir of maildir folder, 'uniq' => unique id, 'filename' => name of create file
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* 'handle' => file opened for writing)
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* @throws Zend_Mail_Storage_Exception
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*/
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protected function _createTmpFile($folder = 'INBOX')
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{
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if ($folder == 'INBOX') {
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$tmpdir = $this->_rootdir . DIRECTORY_SEPARATOR . 'tmp' . DIRECTORY_SEPARATOR;
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} else {
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$tmpdir = $this->_rootdir . '.' . $folder . DIRECTORY_SEPARATOR . 'tmp' . DIRECTORY_SEPARATOR;
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}
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if (!file_exists($tmpdir)) {
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if (!mkdir($tmpdir)) {
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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('problems creating tmp dir');
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}
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}
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// we should retry to create a unique id if a file with the same name exists
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// to avoid a script timeout we only wait 1 second (instead of 2) and stop
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// after a defined retry count
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// if you change this variable take into account that it can take up to $max_tries seconds
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// normally we should have a valid unique name after the first try, we're just following the "standard" here
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$max_tries = 5;
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for ($i = 0; $i < $max_tries; ++$i) {
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$uniq = $this->_createUniqueId();
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if (!file_exists($tmpdir . $uniq)) {
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// here is the race condition! - as defined in the standard
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// to avoid having a long time between stat()ing the file and creating it we're opening it here
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// to mark the filename as taken
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$fh = fopen($tmpdir . $uniq, 'w');
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if (!$fh) {
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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('could not open temp file');
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}
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break;
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}
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sleep(1);
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}
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if (!$fh) {
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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("tried $max_tries unique ids for a temp file, but all were taken"
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. ' - giving up');
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}
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return array('dirname' => $this->_rootdir . '.' . $folder, 'uniq' => $uniq, 'filename' => $tmpdir . $uniq,
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'handle' => $fh);
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}
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/**
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* create an info string for filenames with given flags
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*
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* @param array $flags wanted flags, with the reference you'll get the set flags with correct key (= char for flag)
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* @return string info string for version 2 filenames including the leading colon
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* @throws Zend_Mail_Storage_Exception
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*/
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protected function _getInfoString(&$flags)
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{
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// accessing keys is easier, faster and it removes duplicated flags
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$wanted_flags = array_flip($flags);
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if (isset($wanted_flags[Zend_Mail_Storage::FLAG_RECENT])) {
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/**
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|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
throw new Zend_Mail_Storage_Exception('recent flag may not be set');
|
|
}
|
|
|
|
$info = ':2,';
|
|
$flags = array();
|
|
foreach (Zend_Mail_Storage_Maildir::$_knownFlags as $char => $flag) {
|
|
if (!isset($wanted_flags[$flag])) {
|
|
continue;
|
|
}
|
|
$info .= $char;
|
|
$flags[$char] = $flag;
|
|
unset($wanted_flags[$flag]);
|
|
}
|
|
|
|
if (!empty($wanted_flags)) {
|
|
$wanted_flags = implode(', ', array_keys($wanted_flags));
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
throw new Zend_Mail_Storage_Exception('unknown flag(s): ' . $wanted_flags);
|
|
}
|
|
|
|
return $info;
|
|
}
|
|
|
|
/**
|
|
* append a new message to mail storage
|
|
*
|
|
* @param string|stream $message message as string or stream resource
|
|
* @param null|string|Zend_Mail_Storage_Folder $folder folder for new message, else current folder is taken
|
|
* @param null|array $flags set flags for new message, else a default set is used
|
|
* @param bool $recent handle this mail as if recent flag has been set,
|
|
* should only be used in delivery
|
|
* @throws Zend_Mail_Storage_Exception
|
|
*/
|
|
// not yet * @param string|Zend_Mail_Message|Zend_Mime_Message $message message as string or instance of message class
|
|
|
|
public function appendMessage($message, $folder = null, $flags = null, $recent = false)
|
|
{
|
|
if ($this->_quota && $this->checkQuota()) {
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
throw new Zend_Mail_Storage_Exception('storage is over quota!');
|
|
}
|
|
|
|
if ($folder === null) {
|
|
$folder = $this->_currentFolder;
|
|
}
|
|
|
|
if (!($folder instanceof Zend_Mail_Storage_Folder)) {
|
|
$folder = $this->getFolders($folder);
|
|
}
|
|
|
|
if ($flags === null) {
|
|
$flags = array(Zend_Mail_Storage::FLAG_SEEN);
|
|
}
|
|
$info = $this->_getInfoString($flags);
|
|
$temp_file = $this->_createTmpFile($folder->getGlobalName());
|
|
|
|
// TODO: handle class instances for $message
|
|
if (is_resource($message) && get_resource_type($message) == 'stream') {
|
|
stream_copy_to_stream($message, $temp_file['handle']);
|
|
} else {
|
|
fputs($temp_file['handle'], $message);
|
|
}
|
|
fclose($temp_file['handle']);
|
|
|
|
// we're adding the size to the filename for maildir++
|
|
$size = filesize($temp_file['filename']);
|
|
if ($size !== false) {
|
|
$info = ',S=' . $size . $info;
|
|
}
|
|
$new_filename = $temp_file['dirname'] . DIRECTORY_SEPARATOR;
|
|
$new_filename .= $recent ? 'new' : 'cur';
|
|
$new_filename .= DIRECTORY_SEPARATOR . $temp_file['uniq'] . $info;
|
|
|
|
// we're throwing any exception after removing our temp file and saving it to this variable instead
|
|
$exception = null;
|
|
|
|
if (!link($temp_file['filename'], $new_filename)) {
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
$exception = new Zend_Mail_Storage_Exception('cannot link message file to final dir');
|
|
}
|
|
@unlink($temp_file['filename']);
|
|
|
|
if ($exception) {
|
|
throw $exception;
|
|
}
|
|
|
|
$this->_files[] = array('uniq' => $temp_file['uniq'],
|
|
'flags' => $flags,
|
|
'filename' => $new_filename);
|
|
if ($this->_quota) {
|
|
$this->_addQuotaEntry((int)$size, 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* copy an existing message
|
|
*
|
|
* @param int $id number of message
|
|
* @param string|Zend_Mail_Storage_Folder $folder name or instance of targer folder
|
|
* @return null
|
|
* @throws Zend_Mail_Storage_Exception
|
|
*/
|
|
public function copyMessage($id, $folder)
|
|
{
|
|
if ($this->_quota && $this->checkQuota()) {
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
throw new Zend_Mail_Storage_Exception('storage is over quota!');
|
|
}
|
|
|
|
if (!($folder instanceof Zend_Mail_Storage_Folder)) {
|
|
$folder = $this->getFolders($folder);
|
|
}
|
|
|
|
$filedata = $this->_getFileData($id);
|
|
$old_file = $filedata['filename'];
|
|
$flags = $filedata['flags'];
|
|
|
|
// copied message can't be recent
|
|
while (($key = array_search(Zend_Mail_Storage::FLAG_RECENT, $flags)) !== false) {
|
|
unset($flags[$key]);
|
|
}
|
|
$info = $this->_getInfoString($flags);
|
|
|
|
// we're creating the copy as temp file before moving to cur/
|
|
$temp_file = $this->_createTmpFile($folder->getGlobalName());
|
|
// we don't write directly to the file
|
|
fclose($temp_file['handle']);
|
|
|
|
// we're adding the size to the filename for maildir++
|
|
$size = filesize($old_file);
|
|
if ($size !== false) {
|
|
$info = ',S=' . $size . $info;
|
|
}
|
|
|
|
$new_file = $temp_file['dirname'] . DIRECTORY_SEPARATOR . 'cur' . DIRECTORY_SEPARATOR . $temp_file['uniq'] . $info;
|
|
|
|
// we're throwing any exception after removing our temp file and saving it to this variable instead
|
|
$exception = null;
|
|
|
|
if (!copy($old_file, $temp_file['filename'])) {
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
$exception = new Zend_Mail_Storage_Exception('cannot copy message file');
|
|
} else if (!link($temp_file['filename'], $new_file)) {
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
$exception = new Zend_Mail_Storage_Exception('cannot link message file to final dir');
|
|
}
|
|
@unlink($temp_file['filename']);
|
|
|
|
if ($exception) {
|
|
throw $exception;
|
|
}
|
|
|
|
if ($folder->getGlobalName() == $this->_currentFolder
|
|
|| ($this->_currentFolder == 'INBOX' && $folder->getGlobalName() == '/')) {
|
|
$this->_files[] = array('uniq' => $temp_file['uniq'],
|
|
'flags' => $flags,
|
|
'filename' => $new_file);
|
|
}
|
|
|
|
if ($this->_quota) {
|
|
$this->_addQuotaEntry((int)$size, 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* move an existing message
|
|
*
|
|
* @param int $id number of message
|
|
* @param string|Zend_Mail_Storage_Folder $folder name or instance of targer folder
|
|
* @return null
|
|
* @throws Zend_Mail_Storage_Exception
|
|
*/
|
|
public function moveMessage($id, $folder) {
|
|
if (!($folder instanceof Zend_Mail_Storage_Folder)) {
|
|
$folder = $this->getFolders($folder);
|
|
}
|
|
|
|
if ($folder->getGlobalName() == $this->_currentFolder
|
|
|| ($this->_currentFolder == 'INBOX' && $folder->getGlobalName() == '/')) {
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
throw new Zend_Mail_Storage_Exception('target is current folder');
|
|
}
|
|
|
|
$filedata = $this->_getFileData($id);
|
|
$old_file = $filedata['filename'];
|
|
$flags = $filedata['flags'];
|
|
|
|
// moved message can't be recent
|
|
while (($key = array_search(Zend_Mail_Storage::FLAG_RECENT, $flags)) !== false) {
|
|
unset($flags[$key]);
|
|
}
|
|
$info = $this->_getInfoString($flags);
|
|
|
|
// reserving a new name
|
|
$temp_file = $this->_createTmpFile($folder->getGlobalName());
|
|
fclose($temp_file['handle']);
|
|
|
|
// we're adding the size to the filename for maildir++
|
|
$size = filesize($old_file);
|
|
if ($size !== false) {
|
|
$info = ',S=' . $size . $info;
|
|
}
|
|
|
|
$new_file = $temp_file['dirname'] . DIRECTORY_SEPARATOR . 'cur' . DIRECTORY_SEPARATOR . $temp_file['uniq'] . $info;
|
|
|
|
// we're throwing any exception after removing our temp file and saving it to this variable instead
|
|
$exception = null;
|
|
|
|
if (!rename($old_file, $new_file)) {
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
$exception = new Zend_Mail_Storage_Exception('cannot move message file');
|
|
}
|
|
@unlink($temp_file['filename']);
|
|
|
|
if ($exception) {
|
|
throw $exception;
|
|
}
|
|
|
|
unset($this->_files[$id - 1]);
|
|
// remove the gap
|
|
$this->_files = array_values($this->_files);
|
|
}
|
|
|
|
|
|
/**
|
|
* set flags for message
|
|
*
|
|
* NOTE: this method can't set the recent flag.
|
|
*
|
|
* @param int $id number of message
|
|
* @param array $flags new flags for message
|
|
* @throws Zend_Mail_Storage_Exception
|
|
*/
|
|
public function setFlags($id, $flags)
|
|
{
|
|
$info = $this->_getInfoString($flags);
|
|
$filedata = $this->_getFileData($id);
|
|
|
|
// NOTE: double dirname to make sure we always move to cur. if recent flag has been set (message is in new) it will be moved to cur.
|
|
$new_filename = dirname(dirname($filedata['filename'])) . DIRECTORY_SEPARATOR . 'cur' . DIRECTORY_SEPARATOR . "$filedata[uniq]$info";
|
|
|
|
if (!@rename($filedata['filename'], $new_filename)) {
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
throw new Zend_Mail_Storage_Exception('cannot rename file');
|
|
}
|
|
|
|
$filedata['flags'] = $flags;
|
|
$filedata['filename'] = $new_filename;
|
|
|
|
$this->_files[$id - 1] = $filedata;
|
|
}
|
|
|
|
|
|
/**
|
|
* stub for not supported message deletion
|
|
*
|
|
* @return null
|
|
* @throws Zend_Mail_Storage_Exception
|
|
*/
|
|
public function removeMessage($id)
|
|
{
|
|
$filename = $this->_getFileData($id, 'filename');
|
|
|
|
if ($this->_quota) {
|
|
$size = filesize($filename);
|
|
}
|
|
|
|
if (!@unlink($filename)) {
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
throw new Zend_Mail_Storage_Exception('cannot remove message');
|
|
}
|
|
unset($this->_files[$id - 1]);
|
|
// remove the gap
|
|
$this->_files = array_values($this->_files);
|
|
if ($this->_quota) {
|
|
$this->_addQuotaEntry(0 - (int)$size, -1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* enable/disable quota and set a quota value if wanted or needed
|
|
*
|
|
* You can enable/disable quota with true/false. If you don't have
|
|
* a MDA or want to enforce a quota value you can also set this value
|
|
* here. Use array('size' => SIZE_QUOTA, 'count' => MAX_MESSAGE) do
|
|
* define your quota. Order of these fields does matter!
|
|
*
|
|
* @param bool|array $value new quota value
|
|
* @return null
|
|
*/
|
|
public function setQuota($value) {
|
|
$this->_quota = $value;
|
|
}
|
|
|
|
/**
|
|
* get currently set quota
|
|
*
|
|
* @see Zend_Mail_Storage_Writable_Maildir::setQuota()
|
|
*
|
|
* @return bool|array
|
|
*/
|
|
public function getQuota($fromStorage = false) {
|
|
if ($fromStorage) {
|
|
$fh = @fopen($this->_rootdir . 'maildirsize', 'r');
|
|
if (!$fh) {
|
|
/**
|
|
* @see Zend_Mail_Storage_Exception
|
|
*/
|
|
require_once 'Zend/Mail/Storage/Exception.php';
|
|
throw new Zend_Mail_Storage_Exception('cannot open maildirsize');
|
|
}
|
|
$definition = fgets($fh);
|
|
fclose($fh);
|
|
$definition = explode(',', trim($definition));
|
|
$quota = array();
|
|
foreach ($definition as $member) {
|
|
$key = $member[strlen($member) - 1];
|
|
if ($key == 'S' || $key == 'C') {
|
|
$key = $key == 'C' ? 'count' : 'size';
|
|
}
|
|
$quota[$key] = substr($member, 0, -1);
|
|
}
|
|
return $quota;
|
|
}
|
|
|
|
return $this->_quota;
|
|
}
|
|
|
|
/**
|
|
* @see http://www.inter7.com/courierimap/README.maildirquota.html "Calculating maildirsize"
|
|
*/
|
|
protected function _calculateMaildirsize() {
|
|
$timestamps = array();
|
|
$messages = 0;
|
|
$total_size = 0;
|
|
|
|
if (is_array($this->_quota)) {
|
|
$quota = $this->_quota;
|
|
} else {
|
|
try {
|
|
$quota = $this->getQuota(true);
|
|
} catch (Zend_Mail_Storage_Exception $e) {
|
|
throw new Zend_Mail_Storage_Exception('no quota definition found', 0, $e);
|
|
}
|
|
}
|
|
|
|
$folders = new RecursiveIteratorIterator($this->getFolders(), RecursiveIteratorIterator::SELF_FIRST);
|
|
foreach ($folders as $folder) {
|
|
$subdir = $folder->getGlobalName();
|
|
if ($subdir == 'INBOX') {
|
|
$subdir = '';
|
|
} else {
|
|
$subdir = '.' . $subdir;
|
|
}
|
|
if ($subdir == 'Trash') {
|
|
continue;
|
|
}
|
|
|
|
foreach (array('cur', 'new') as $subsubdir) {
|
|
$dirname = $this->_rootdir . $subdir . DIRECTORY_SEPARATOR . $subsubdir . DIRECTORY_SEPARATOR;
|
|
if (!file_exists($dirname)) {
|
|
continue;
|
|
}
|
|
// NOTE: we are using mtime instead of "the latest timestamp". The latest would be atime
|
|
// and as we are accessing the directory it would make the whole calculation useless.
|
|
$timestamps[$dirname] = filemtime($dirname);
|
|
|
|
$dh = opendir($dirname);
|
|
// NOTE: Should have been checked in constructor. Not throwing an exception here, quotas will
|
|
// therefore not be fully enforeced, but next request will fail anyway, if problem persists.
|
|
if (!$dh) {
|
|
continue;
|
|
}
|
|
|
|
|
|
while (($entry = readdir()) !== false) {
|
|
if ($entry[0] == '.' || !is_file($dirname . $entry)) {
|
|
continue;
|
|
}
|
|
|
|
if (strpos($entry, ',S=')) {
|
|
strtok($entry, '=');
|
|
$filesize = strtok(':');
|
|
if (is_numeric($filesize)) {
|
|
$total_size += $filesize;
|
|
++$messages;
|
|
continue;
|
|
}
|
|
}
|
|
$size = filesize($dirname . $entry);
|
|
if ($size === false) {
|
|
// ignore, as we assume file got removed
|
|
continue;
|
|
}
|
|
$total_size += $size;
|
|
++$messages;
|
|
}
|
|
}
|
|
}
|
|
|
|
$tmp = $this->_createTmpFile();
|
|
$fh = $tmp['handle'];
|
|
$definition = array();
|
|
foreach ($quota as $type => $value) {
|
|
if ($type == 'size' || $type == 'count') {
|
|
$type = $type == 'count' ? 'C' : 'S';
|
|
}
|
|
$definition[] = $value . $type;
|
|
}
|
|
$definition = implode(',', $definition);
|
|
fputs($fh, "$definition\n");
|
|
fputs($fh, "$total_size $messages\n");
|
|
fclose($fh);
|
|
rename($tmp['filename'], $this->_rootdir . 'maildirsize');
|
|
foreach ($timestamps as $dir => $timestamp) {
|
|
if ($timestamp < filemtime($dir)) {
|
|
unlink($this->_rootdir . 'maildirsize');
|
|
break;
|
|
}
|
|
}
|
|
|
|
return array('size' => $total_size, 'count' => $messages, 'quota' => $quota);
|
|
}
|
|
|
|
/**
|
|
* @see http://www.inter7.com/courierimap/README.maildirquota.html "Calculating the quota for a Maildir++"
|
|
*/
|
|
protected function _calculateQuota($forceRecalc = false) {
|
|
$fh = null;
|
|
$total_size = 0;
|
|
$messages = 0;
|
|
$maildirsize = '';
|
|
if (!$forceRecalc && file_exists($this->_rootdir . 'maildirsize') && filesize($this->_rootdir . 'maildirsize') < 5120) {
|
|
$fh = fopen($this->_rootdir . 'maildirsize', 'r');
|
|
}
|
|
if ($fh) {
|
|
$maildirsize = fread($fh, 5120);
|
|
if (strlen($maildirsize) >= 5120) {
|
|
fclose($fh);
|
|
$fh = null;
|
|
$maildirsize = '';
|
|
}
|
|
}
|
|
if (!$fh) {
|
|
$result = $this->_calculateMaildirsize();
|
|
$total_size = $result['size'];
|
|
$messages = $result['count'];
|
|
$quota = $result['quota'];
|
|
} else {
|
|
$maildirsize = explode("\n", $maildirsize);
|
|
if (is_array($this->_quota)) {
|
|
$quota = $this->_quota;
|
|
} else {
|
|
$definition = explode(',', $maildirsize[0]);
|
|
$quota = array();
|
|
foreach ($definition as $member) {
|
|
$key = $member[strlen($member) - 1];
|
|
if ($key == 'S' || $key == 'C') {
|
|
$key = $key == 'C' ? 'count' : 'size';
|
|
}
|
|
$quota[$key] = substr($member, 0, -1);
|
|
}
|
|
}
|
|
unset($maildirsize[0]);
|
|
foreach ($maildirsize as $line) {
|
|
list($size, $count) = explode(' ', trim($line));
|
|
$total_size += $size;
|
|
$messages += $count;
|
|
}
|
|
}
|
|
|
|
$over_quota = false;
|
|
$over_quota = $over_quota || (isset($quota['size']) && $total_size > $quota['size']);
|
|
$over_quota = $over_quota || (isset($quota['count']) && $messages > $quota['count']);
|
|
// NOTE: $maildirsize equals false if it wasn't set (AKA we recalculated) or it's only
|
|
// one line, because $maildirsize[0] gets unsetted.
|
|
// Also we're using local time to calculate the 15 minute offset. Touching a file just for known the
|
|
// local time of the file storage isn't worth the hassle.
|
|
if ($over_quota && ($maildirsize || filemtime($this->_rootdir . 'maildirsize') > time() - 900)) {
|
|
$result = $this->_calculateMaildirsize();
|
|
$total_size = $result['size'];
|
|
$messages = $result['count'];
|
|
$quota = $result['quota'];
|
|
$over_quota = false;
|
|
$over_quota = $over_quota || (isset($quota['size']) && $total_size > $quota['size']);
|
|
$over_quota = $over_quota || (isset($quota['count']) && $messages > $quota['count']);
|
|
}
|
|
|
|
if ($fh) {
|
|
// TODO is there a safe way to keep the handle open for writing?
|
|
fclose($fh);
|
|
}
|
|
|
|
return array('size' => $total_size, 'count' => $messages, 'quota' => $quota, 'over_quota' => $over_quota);
|
|
}
|
|
|
|
protected function _addQuotaEntry($size, $count = 1) {
|
|
if (!file_exists($this->_rootdir . 'maildirsize')) {
|
|
// TODO: should get file handler from _calculateQuota
|
|
}
|
|
$size = (int)$size;
|
|
$count = (int)$count;
|
|
file_put_contents($this->_rootdir . 'maildirsize', "$size $count\n", FILE_APPEND);
|
|
}
|
|
|
|
/**
|
|
* check if storage is currently over quota
|
|
*
|
|
* @param bool $detailedResponse return known data of quota and current size and message count @see _calculateQuota()
|
|
* @return bool|array over quota state or detailed response
|
|
*/
|
|
public function checkQuota($detailedResponse = false, $forceRecalc = false) {
|
|
$result = $this->_calculateQuota($forceRecalc);
|
|
return $detailedResponse ? $result : $result['over_quota'];
|
|
}
|
|
}
|