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1881 lines
48 KiB
PHP
1881 lines
48 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| program/include/rcube_imap.inc |
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| |
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| This file is part of the RoundCube Webmail client |
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| Copyright (C) 2005, RoundCube Dev. - Switzerland |
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| Licensed under the GNU GPL |
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| |
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| PURPOSE: |
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| IMAP wrapper that implements the Iloha IMAP Library (IIL) |
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| See http://ilohamail.org/ for details |
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| |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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+-----------------------------------------------------------------------+
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$Id$
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*/
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/**
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* Obtain classes from the Iloha IMAP library
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*/
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require_once('lib/imap.inc');
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require_once('lib/mime.inc');
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require_once('lib/utf7.inc');
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/**
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* Interface class for accessing an IMAP server
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*
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* This is a wrapper that implements the Iloha IMAP Library (IIL)
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*
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* @package RoundCube Webmail
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* @author Thomas Bruederli <roundcube@gmail.com>
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* @version 1.22
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* @link http://ilohamail.org
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*/
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class rcube_imap
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{
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var $db;
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var $conn;
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var $root_ns = '';
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var $root_dir = '';
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var $mailbox = 'INBOX';
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var $list_page = 1;
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var $page_size = 10;
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var $sort_field = 'date';
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var $sort_order = 'DESC';
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var $delimiter = NULL;
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var $caching_enabled = FALSE;
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var $default_folders = array('inbox', 'drafts', 'sent', 'junk', 'trash');
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var $cache = array();
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var $cache_keys = array();
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var $cache_changes = array();
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var $uid_id_map = array();
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var $msg_headers = array();
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var $capabilities = array();
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var $skip_deleted = FALSE;
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var $debug_level = 1;
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/**
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* Object constructor
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*
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* @param object Database connection
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*/
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function __construct($db_conn)
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{
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$this->db = $db_conn;
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}
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/**
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* PHP 4 object constructor
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*
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* @see rcube_imap::__construct
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*/
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function rcube_imap($db_conn)
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{
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$this->__construct($db_conn);
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}
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/**
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* Connect to an IMAP server
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*
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* @param string Host to connect
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* @param string Username for IMAP account
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* @param string Password for IMAP account
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* @param number Port to connect to
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* @param boolean Use SSL connection
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* @return boolean TRUE on success, FALSE on failure
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* @access public
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*/
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function connect($host, $user, $pass, $port=143, $use_ssl=FALSE)
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{
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global $ICL_SSL, $ICL_PORT;
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// check for Open-SSL support in PHP build
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if ($use_ssl && in_array('openssl', get_loaded_extensions()))
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$ICL_SSL = TRUE;
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else if ($use_ssl)
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{
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raise_error(array('code' => 403, 'type' => 'imap', 'file' => __FILE__,
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'message' => 'Open SSL not available;'), TRUE, FALSE);
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$port = 143;
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}
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$ICL_PORT = $port;
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$this->conn = iil_Connect($host, $user, $pass, array('imap' => 'check'));
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$this->host = $host;
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$this->user = $user;
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$this->pass = $pass;
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$this->port = $port;
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$this->ssl = $use_ssl;
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// print trace mesages
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if ($this->conn && ($this->debug_level & 8))
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console($this->conn->message);
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// write error log
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else if (!$this->conn && $GLOBALS['iil_error'])
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{
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raise_error(array('code' => 403,
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'type' => 'imap',
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'message' => $GLOBALS['iil_error']), TRUE, FALSE);
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}
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// get account namespace
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if ($this->conn)
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{
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$this->_parse_capability($this->conn->capability);
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iil_C_NameSpace($this->conn);
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if (!empty($this->conn->delimiter))
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$this->delimiter = $this->conn->delimiter;
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if (!empty($this->conn->rootdir))
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{
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$this->set_rootdir($this->conn->rootdir);
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$this->root_ns = ereg_replace('[\.\/]$', '', $this->conn->rootdir);
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}
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}
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return $this->conn ? TRUE : FALSE;
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}
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/**
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* Close IMAP connection
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* Usually done on script shutdown
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*
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* @access public
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*/
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function close()
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{
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if ($this->conn)
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iil_Close($this->conn);
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}
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/**
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* Close IMAP connection and re-connect
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* This is used to avoid some strange socket errors when talking to Courier IMAP
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*
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* @access public
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*/
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function reconnect()
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{
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$this->close();
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$this->connect($this->host, $this->user, $this->pass, $this->port, $this->ssl);
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}
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/**
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* Set a root folder for the IMAP connection.
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*
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* Only folders within this root folder will be displayed
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* and all folder paths will be translated using this folder name
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*
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* @param string Root folder
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* @access public
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*/
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function set_rootdir($root)
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{
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if (ereg('[\.\/]$', $root)) //(substr($root, -1, 1)==='/')
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$root = substr($root, 0, -1);
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$this->root_dir = $root;
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if (empty($this->delimiter))
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$this->get_hierarchy_delimiter();
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}
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/**
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* This list of folders will be listed above all other folders
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*
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* @param array Indexed list of folder names
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* @access public
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*/
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function set_default_mailboxes($arr)
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{
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if (is_array($arr))
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{
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$this->default_folders = array();
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// add mailbox names lower case
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foreach ($arr as $mbox)
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$this->default_folders[] = strtolower($mbox);
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// add inbox if not included
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if (!in_array('inbox', $this->default_folders))
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array_unshift($arr, 'inbox');
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}
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}
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/**
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* Set internal mailbox reference.
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*
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* All operations will be perfomed on this mailbox/folder
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*
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* @param string Mailbox/Folder name
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* @access public
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*/
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function set_mailbox($mbox)
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{
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$mailbox = $this->_mod_mailbox($mbox);
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if ($this->mailbox == $mailbox)
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return;
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$this->mailbox = $mailbox;
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// clear messagecount cache for this mailbox
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$this->_clear_messagecount($mailbox);
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}
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/**
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* Set internal list page
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*
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* @param number Page number to list
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* @access public
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*/
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function set_page($page)
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{
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$this->list_page = (int)$page;
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}
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/**
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* Set internal page size
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*
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* @param number Number of messages to display on one page
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* @access public
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*/
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function set_pagesize($size)
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{
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$this->page_size = (int)$size;
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}
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/**
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* Returns the currently used mailbox name
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*
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* @return string Name of the mailbox/folder
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* @access public
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*/
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function get_mailbox_name()
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{
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return $this->conn ? $this->_mod_mailbox($this->mailbox, 'out') : '';
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}
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/**
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* Returns the IMAP server's capability
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*
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* @param string Capability name
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* @return mixed Capability value or TRUE if supported, FALSE if not
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* @access public
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*/
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function get_capability($cap)
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{
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$cap = strtoupper($cap);
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return $this->capabilities[$cap];
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}
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/**
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* Returns the delimiter that is used by the IMAP server for folder separation
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*
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* @return string Delimiter string
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* @access public
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*/
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function get_hierarchy_delimiter()
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{
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if ($this->conn && empty($this->delimiter))
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$this->delimiter = iil_C_GetHierarchyDelimiter($this->conn);
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if (empty($this->delimiter))
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$this->delimiter = '/';
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return $this->delimiter;
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}
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/**
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* Public method for mailbox listing.
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*
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* Converts mailbox name with root dir first
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*
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* @param string Optional root folder
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* @param string Optional filter for mailbox listing
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* @return array List of mailboxes/folders
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* @access public
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*/
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function list_mailboxes($root='', $filter='*')
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{
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$a_out = array();
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$a_mboxes = $this->_list_mailboxes($root, $filter);
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foreach ($a_mboxes as $mbox)
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{
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$name = $this->_mod_mailbox($mbox, 'out');
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if (strlen($name))
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$a_out[] = $name;
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}
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// sort mailboxes
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$a_out = $this->_sort_mailbox_list($a_out);
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return $a_out;
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}
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/**
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* Private method for mailbox listing
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*
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* @return array List of mailboxes/folders
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* @access private
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* @see rcube_imap::list_mailboxes
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*/
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function _list_mailboxes($root='', $filter='*')
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{
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$a_defaults = $a_out = array();
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// get cached folder list
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$a_mboxes = $this->get_cache('mailboxes');
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if (is_array($a_mboxes))
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return $a_mboxes;
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// retrieve list of folders from IMAP server
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$a_folders = iil_C_ListSubscribed($this->conn, $this->_mod_mailbox($root), $filter);
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if (!is_array($a_folders) || !sizeof($a_folders))
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$a_folders = array();
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// create INBOX if it does not exist
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if (!in_array_nocase('INBOX', $a_folders))
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{
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$this->create_mailbox('INBOX', TRUE);
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array_unshift($a_folders, 'INBOX');
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}
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$a_mailbox_cache = array();
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// write mailboxlist to cache
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$this->update_cache('mailboxes', $a_folders);
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return $a_folders;
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}
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// get message count for a specific mailbox; acceptes modes are: ALL, UNSEEN, RECENT
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function messagecount($mbox='', $mode='ALL', $force=FALSE)
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{
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$mailbox = $mbox ? $this->_mod_mailbox($mbox) : $this->mailbox;
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return $this->_messagecount($mailbox, $mode, $force);
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}
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// private method for getting nr of mesages
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function _messagecount($mailbox='', $mode='ALL', $force=FALSE)
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{
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$a_mailbox_cache = FALSE;
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$mode = strtoupper($mode);
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if (empty($mailbox))
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$mailbox = $this->mailbox;
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$a_mailbox_cache = $this->get_cache('messagecount');
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// return cached value
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if (!$force && is_array($a_mailbox_cache[$mailbox]) && isset($a_mailbox_cache[$mailbox][$mode]))
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return $a_mailbox_cache[$mailbox][$mode];
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// RECENT count is fetched abit different
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if ($mode == 'RECENT')
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$count = iil_C_CheckForRecent($this->conn, $mailbox);
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// use SEARCH for message counting
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else if ($this->skip_deleted)
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{
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$search_str = "ALL UNDELETED";
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// get message count and store in cache
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if ($mode == 'UNSEEN')
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$search_str .= " UNSEEN";
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// get message count using SEARCH
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// not very performant but more precise (using UNDELETED)
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$count = 0;
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$index = $this->_search_index($mailbox, $search_str);
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if (is_array($index))
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{
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$str = implode(",", $index);
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if (!empty($str))
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$count = count($index);
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}
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}
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else
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{
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if ($mode == 'UNSEEN')
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$count = iil_C_CountUnseen($this->conn, $mailbox);
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else
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$count = iil_C_CountMessages($this->conn, $mailbox);
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}
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if (is_array($a_mailbox_cache[$mailbox]))
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$a_mailbox_cache[$mailbox] = array();
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$a_mailbox_cache[$mailbox][$mode] = (int)$count;
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// write back to cache
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$this->update_cache('messagecount', $a_mailbox_cache);
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return (int)$count;
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}
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// public method for listing headers
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// convert mailbox name with root dir first
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function list_headers($mbox='', $page=NULL, $sort_field=NULL, $sort_order=NULL)
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{
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$mailbox = $mbox ? $this->_mod_mailbox($mbox) : $this->mailbox;
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return $this->_list_headers($mailbox, $page, $sort_field, $sort_order);
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}
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// private method for listing message header
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function _list_headers($mailbox='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $recursive=FALSE)
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{
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if (!strlen($mailbox))
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return array();
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if ($sort_field!=NULL)
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$this->sort_field = $sort_field;
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if ($sort_order!=NULL)
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$this->sort_order = strtoupper($sort_order);
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$max = $this->_messagecount($mailbox);
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$start_msg = ($this->list_page-1) * $this->page_size;
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if ($page=='all')
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{
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$begin = 0;
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$end = $max;
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}
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else if ($this->sort_order=='DESC')
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{
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$begin = $max - $this->page_size - $start_msg;
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$end = $max - $start_msg;
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}
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else
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{
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$begin = $start_msg;
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$end = $start_msg + $this->page_size;
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}
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if ($begin < 0) $begin = 0;
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if ($end < 0) $end = $max;
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if ($end > $max) $end = $max;
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//console("fetch headers $start_msg to ".($start_msg+$this->page_size)." (msg $begin to $end)");
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$headers_sorted = FALSE;
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$cache_key = $mailbox.'.msg';
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$cache_status = $this->check_cache_status($mailbox, $cache_key);
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//console("Cache status = $cache_status");
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// cache is OK, we can get all messages from local cache
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if ($cache_status>0)
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{
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$a_msg_headers = $this->get_message_cache($cache_key, $start_msg, $start_msg+$this->page_size, $this->sort_field, $this->sort_order);
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$headers_sorted = TRUE;
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}
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else
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{
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// retrieve headers from IMAP
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if ($this->get_capability('sort') && ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')))
|
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{
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//console("$mailbox: ".join(',', $msg_index));
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$msgs = $msg_index[$begin];
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for ($i=$begin+1; $i < $end; $i++)
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{
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//if ($this->sort_order == 'DESC')
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// $msgs = $msg_index[$i].','.$msgs;
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//else
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$msgs = $msgs.','.$msg_index[$i];
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}
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$sorted = TRUE;
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}
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else
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{
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$msgs = sprintf("%d:%d", $begin+1, $end);
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$sorted = FALSE;
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}
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|
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// cache is dirty, sync it
|
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if ($this->caching_enabled && $cache_status==-1 && !$recursive)
|
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{
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$this->sync_header_index($mailbox);
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return $this->_list_headers($mailbox, $page, $this->sort_field, $this->sort_order, TRUE);
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}
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// fetch reuested headers from server
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$a_header_index = iil_C_FetchHeaders($this->conn, $mailbox, $msgs);
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$a_msg_headers = array();
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$deleted_count = $this->_fetch_headers($mailbox, $msgs, $a_msg_headers, $cache_key);
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|
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// delete cached messages with a higher index than $max
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$this->clear_message_cache($cache_key, $max);
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// kick child process to sync cache
|
|
// ...
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|
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}
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|
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// return empty array if no messages found
|
|
if (!is_array($a_msg_headers) || empty($a_msg_headers))
|
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return array();
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|
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|
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// if not already sorted
|
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if (!$headers_sorted)
|
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$a_msg_headers = iil_SortHeaders($a_msg_headers, $this->sort_field, $this->sort_order);
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|
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return array_values($a_msg_headers);
|
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}
|
|
|
|
|
|
/**
|
|
* Fetches message headers
|
|
* Used for loop
|
|
*
|
|
* @param string Mailbox name
|
|
* @param string Message indey to fetch
|
|
* @param array Reference to message headers array
|
|
* @param array Array with cache index
|
|
* @return number Number of deleted messages
|
|
* @access private
|
|
*/
|
|
function _fetch_headers($mailbox, $msgs, &$a_msg_headers, $cache_key)
|
|
{
|
|
// cache is incomplete
|
|
$cache_index = $this->get_message_cache_index($cache_key);
|
|
|
|
// fetch reuested headers from server
|
|
$a_header_index = iil_C_FetchHeaders($this->conn, $mailbox, $msgs);
|
|
$deleted_count = 0;
|
|
|
|
if (!empty($a_header_index))
|
|
{
|
|
foreach ($a_header_index as $i => $headers)
|
|
{
|
|
if ($headers->deleted && $this->skip_deleted)
|
|
{
|
|
// delete from cache
|
|
if ($cache_index[$headers->id] && $cache_index[$headers->id] == $headers->uid)
|
|
$this->remove_message_cache($cache_key, $headers->id);
|
|
|
|
$deleted_count++;
|
|
continue;
|
|
}
|
|
|
|
// add message to cache
|
|
if ($this->caching_enabled && $cache_index[$headers->id] != $headers->uid)
|
|
$this->add_message_cache($cache_key, $headers->id, $headers);
|
|
|
|
$a_msg_headers[$headers->uid] = $headers;
|
|
}
|
|
}
|
|
|
|
return $deleted_count;
|
|
}
|
|
|
|
|
|
|
|
// return sorted array of message UIDs
|
|
function message_index($mbox='', $sort_field=NULL, $sort_order=NULL)
|
|
{
|
|
if ($sort_field!=NULL)
|
|
$this->sort_field = $sort_field;
|
|
if ($sort_order!=NULL)
|
|
$this->sort_order = strtoupper($sort_order);
|
|
|
|
$mailbox = $mbox ? $this->_mod_mailbox($mbox) : $this->mailbox;
|
|
$key = "$mbox:".$this->sort_field.":".$this->sort_order.".msgi";
|
|
|
|
// have stored it in RAM
|
|
if (isset($this->cache[$key]))
|
|
return $this->cache[$key];
|
|
|
|
// check local cache
|
|
$cache_key = $mailbox.'.msg';
|
|
$cache_status = $this->check_cache_status($mailbox, $cache_key);
|
|
|
|
// cache is OK
|
|
if ($cache_status>0)
|
|
{
|
|
$a_index = $this->get_message_cache_index($cache_key, FALSE, $this->sort_field);
|
|
return array_values($a_index);
|
|
}
|
|
|
|
|
|
// fetch complete message index
|
|
$msg_count = $this->_messagecount($mailbox);
|
|
if ($this->get_capability('sort') && ($a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field)))
|
|
{
|
|
$a_uids = iil_C_FetchUIDs($this->conn, $mailbox);
|
|
|
|
if ($this->sort_order == 'DESC')
|
|
$a_index = array_reverse($a_index);
|
|
|
|
$i = 0;
|
|
$this->cache[$key] = array();
|
|
foreach ($a_index as $index => $value)
|
|
$this->cache[$key][$i++] = $a_uids[$value];
|
|
}
|
|
else
|
|
{
|
|
$a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:$msg_count", $this->sort_field);
|
|
$a_uids = iil_C_FetchUIDs($this->conn, $mailbox);
|
|
|
|
if ($this->sort_order=="ASC")
|
|
asort($a_index);
|
|
else if ($this->sort_order=="DESC")
|
|
arsort($a_index);
|
|
|
|
$i = 0;
|
|
$this->cache[$key] = array();
|
|
foreach ($a_index as $index => $value)
|
|
$this->cache[$key][$i++] = $a_uids[$index];
|
|
}
|
|
|
|
return $this->cache[$key];
|
|
}
|
|
|
|
|
|
function sync_header_index($mailbox)
|
|
{
|
|
$cache_key = $mailbox.'.msg';
|
|
$cache_index = $this->get_message_cache_index($cache_key);
|
|
$msg_count = $this->_messagecount($mailbox);
|
|
|
|
// fetch complete message index
|
|
$a_message_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:$msg_count", 'UID');
|
|
|
|
foreach ($a_message_index as $id => $uid)
|
|
{
|
|
// message in cache at correct position
|
|
if ($cache_index[$id] == $uid)
|
|
{
|
|
// console("$id / $uid: OK");
|
|
unset($cache_index[$id]);
|
|
continue;
|
|
}
|
|
|
|
// message in cache but in wrong position
|
|
if (in_array((string)$uid, $cache_index, TRUE))
|
|
{
|
|
// console("$id / $uid: Moved");
|
|
unset($cache_index[$id]);
|
|
}
|
|
|
|
// other message at this position
|
|
if (isset($cache_index[$id]))
|
|
{
|
|
// console("$id / $uid: Delete");
|
|
$this->remove_message_cache($cache_key, $id);
|
|
unset($cache_index[$id]);
|
|
}
|
|
|
|
|
|
// console("$id / $uid: Add");
|
|
|
|
// fetch complete headers and add to cache
|
|
$headers = iil_C_FetchHeader($this->conn, $mailbox, $id);
|
|
$this->add_message_cache($cache_key, $headers->id, $headers);
|
|
}
|
|
|
|
// those ids that are still in cache_index have been deleted
|
|
if (!empty($cache_index))
|
|
{
|
|
foreach ($cache_index as $id => $uid)
|
|
$this->remove_message_cache($cache_key, $id);
|
|
}
|
|
}
|
|
|
|
|
|
function search($mbox='', $criteria='ALL')
|
|
{
|
|
$mailbox = $mbox ? $this->_mod_mailbox($mbox) : $this->mailbox;
|
|
return $this->_search_index($mailbox, $criteria);
|
|
}
|
|
|
|
|
|
function _search_index($mailbox, $criteria='ALL')
|
|
{
|
|
$a_messages = iil_C_Search($this->conn, $mailbox, $criteria);
|
|
return $a_messages;
|
|
}
|
|
|
|
|
|
function get_headers($id, $mbox=NULL, $is_uid=TRUE)
|
|
{
|
|
$mailbox = $mbox ? $this->_mod_mailbox($mbox) : $this->mailbox;
|
|
|
|
// get cached headers
|
|
if ($headers = $this->get_cached_message($mailbox.'.msg', $uid))
|
|
return $headers;
|
|
|
|
$msg_id = $is_uid ? $this->_uid2id($id) : $id;
|
|
$headers = iil_C_FetchHeader($this->conn, $mailbox, $msg_id);
|
|
|
|
// write headers cache
|
|
if ($headers)
|
|
$this->add_message_cache($mailbox.'.msg', $msg_id, $headers);
|
|
|
|
return $headers;
|
|
}
|
|
|
|
|
|
function get_body($uid, $part=1)
|
|
{
|
|
if (!($msg_id = $this->_uid2id($uid)))
|
|
return FALSE;
|
|
|
|
$structure_str = iil_C_FetchStructureString($this->conn, $this->mailbox, $msg_id);
|
|
$structure = iml_GetRawStructureArray($structure_str);
|
|
$body = iil_C_FetchPartBody($this->conn, $this->mailbox, $msg_id, $part);
|
|
|
|
$encoding = iml_GetPartEncodingCode($structure, $part);
|
|
|
|
if ($encoding==3) $body = $this->mime_decode($body, 'base64');
|
|
else if ($encoding==4) $body = $this->mime_decode($body, 'quoted-printable');
|
|
|
|
return $body;
|
|
}
|
|
|
|
|
|
function get_raw_body($uid)
|
|
{
|
|
if (!($msg_id = $this->_uid2id($uid)))
|
|
return FALSE;
|
|
|
|
$body = iil_C_FetchPartHeader($this->conn, $this->mailbox, $msg_id, NULL);
|
|
$body .= iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, NULL, 1);
|
|
|
|
return $body;
|
|
}
|
|
|
|
|
|
// set message flag to one or several messages
|
|
// possible flgs are: SEEN, DELETED, RECENT, ANSWERED, DRAFT
|
|
function set_flag($uids, $flag)
|
|
{
|
|
$flag = strtoupper($flag);
|
|
$msg_ids = array();
|
|
if (!is_array($uids))
|
|
$uids = array($uids);
|
|
|
|
foreach ($uids as $uid)
|
|
$msg_ids[$uid] = $this->_uid2id($uid);
|
|
|
|
if ($flag=='UNSEEN')
|
|
$result = iil_C_Unseen($this->conn, $this->mailbox, join(',', array_values($msg_ids)));
|
|
else
|
|
$result = iil_C_Flag($this->conn, $this->mailbox, join(',', array_values($msg_ids)), $flag);
|
|
|
|
// reload message headers if cached
|
|
$cache_key = $this->mailbox.'.msg';
|
|
if ($this->caching_enabled)
|
|
{
|
|
foreach ($msg_ids as $uid => $id)
|
|
{
|
|
if ($cached_headers = $this->get_cached_message($cache_key, $uid))
|
|
{
|
|
$this->remove_message_cache($cache_key, $id);
|
|
//$this->get_headers($uid);
|
|
}
|
|
}
|
|
|
|
// close and re-open connection
|
|
// this prevents connection problems with Courier
|
|
$this->reconnect();
|
|
}
|
|
|
|
// set nr of messages that were flaged
|
|
$count = count($msg_ids);
|
|
|
|
// clear message count cache
|
|
if ($result && $flag=='SEEN')
|
|
$this->_set_messagecount($this->mailbox, 'UNSEEN', $count*(-1));
|
|
else if ($result && $flag=='UNSEEN')
|
|
$this->_set_messagecount($this->mailbox, 'UNSEEN', $count);
|
|
else if ($result && $flag=='DELETED')
|
|
$this->_set_messagecount($this->mailbox, 'ALL', $count*(-1));
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
// append a mail message (source) to a specific mailbox
|
|
function save_message($mbox, $message)
|
|
{
|
|
$mailbox = $this->_mod_mailbox($mbox);
|
|
|
|
// make shure mailbox exists
|
|
if (in_array($mailbox, $this->_list_mailboxes()))
|
|
$saved = iil_C_Append($this->conn, $mailbox, $message);
|
|
|
|
if ($saved)
|
|
{
|
|
// increase messagecount of the target mailbox
|
|
$this->_set_messagecount($mailbox, 'ALL', 1);
|
|
}
|
|
|
|
return $saved;
|
|
}
|
|
|
|
|
|
// move a message from one mailbox to another
|
|
function move_message($uids, $to_mbox, $from_mbox='')
|
|
{
|
|
$to_mbox = $this->_mod_mailbox($to_mbox);
|
|
$from_mbox = $from_mbox ? $this->_mod_mailbox($from_mbox) : $this->mailbox;
|
|
|
|
// make shure mailbox exists
|
|
if (!in_array($to_mbox, $this->_list_mailboxes()))
|
|
return FALSE;
|
|
|
|
// convert the list of uids to array
|
|
$a_uids = is_string($uids) ? explode(',', $uids) : (is_array($uids) ? $uids : NULL);
|
|
|
|
// exit if no message uids are specified
|
|
if (!is_array($a_uids))
|
|
return false;
|
|
|
|
// convert uids to message ids
|
|
$a_mids = array();
|
|
foreach ($a_uids as $uid)
|
|
$a_mids[] = $this->_uid2id($uid, $from_mbox);
|
|
|
|
$moved = iil_C_Move($this->conn, join(',', $a_mids), $from_mbox, $to_mbox);
|
|
|
|
// send expunge command in order to have the moved message
|
|
// really deleted from the source mailbox
|
|
if ($moved)
|
|
{
|
|
$this->_expunge($from_mbox, FALSE);
|
|
$this->_clear_messagecount($from_mbox);
|
|
$this->_clear_messagecount($to_mbox);
|
|
}
|
|
|
|
// update cached message headers
|
|
$cache_key = $from_mbox.'.msg';
|
|
if ($moved && ($a_cache_index = $this->get_message_cache_index($cache_key)))
|
|
{
|
|
$start_index = 100000;
|
|
foreach ($a_uids as $uid)
|
|
{
|
|
$index = array_search($uid, $a_cache_index);
|
|
$start_index = min($index, $start_index);
|
|
}
|
|
|
|
// clear cache from the lowest index on
|
|
$this->clear_message_cache($cache_key, $start_index);
|
|
}
|
|
|
|
return $moved;
|
|
}
|
|
|
|
|
|
// mark messages as deleted and expunge mailbox
|
|
function delete_message($uids, $mbox='')
|
|
{
|
|
$mailbox = $mbox ? $this->_mod_mailbox($mbox) : $this->mailbox;
|
|
|
|
// convert the list of uids to array
|
|
$a_uids = is_string($uids) ? explode(',', $uids) : (is_array($uids) ? $uids : NULL);
|
|
|
|
// exit if no message uids are specified
|
|
if (!is_array($a_uids))
|
|
return false;
|
|
|
|
|
|
// convert uids to message ids
|
|
$a_mids = array();
|
|
foreach ($a_uids as $uid)
|
|
$a_mids[] = $this->_uid2id($uid, $mailbox);
|
|
|
|
$deleted = iil_C_Delete($this->conn, $mailbox, join(',', $a_mids));
|
|
|
|
// send expunge command in order to have the deleted message
|
|
// really deleted from the mailbox
|
|
if ($deleted)
|
|
{
|
|
$this->_expunge($mailbox, FALSE);
|
|
$this->_clear_messagecount($mailbox);
|
|
}
|
|
|
|
// remove deleted messages from cache
|
|
$cache_key = $mailbox.'.msg';
|
|
if ($deleted && ($a_cache_index = $this->get_message_cache_index($cache_key)))
|
|
{
|
|
$start_index = 100000;
|
|
foreach ($a_uids as $uid)
|
|
{
|
|
$index = array_search($uid, $a_cache_index);
|
|
$start_index = min($index, $start_index);
|
|
}
|
|
|
|
// clear cache from the lowest index on
|
|
$this->clear_message_cache($cache_key, $start_index);
|
|
}
|
|
|
|
return $deleted;
|
|
}
|
|
|
|
|
|
// clear all messages in a specific mailbox
|
|
function clear_mailbox($mbox=NULL)
|
|
{
|
|
$mailbox = !empty($mbox) ? $this->_mod_mailbox($mbox) : $this->mailbox;
|
|
$msg_count = $this->_messagecount($mailbox, 'ALL');
|
|
|
|
if ($msg_count>0)
|
|
{
|
|
$this->clear_message_cache($mailbox.'.msg');
|
|
return iil_C_ClearFolder($this->conn, $mailbox);
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
// send IMAP expunge command and clear cache
|
|
function expunge($mbox='', $clear_cache=TRUE)
|
|
{
|
|
$mailbox = $mbox ? $this->_mod_mailbox($mbox) : $this->mailbox;
|
|
return $this->_expunge($mailbox, $clear_cache);
|
|
}
|
|
|
|
|
|
// send IMAP expunge command and clear cache
|
|
function _expunge($mailbox, $clear_cache=TRUE)
|
|
{
|
|
$result = iil_C_Expunge($this->conn, $mailbox);
|
|
|
|
if ($result>=0 && $clear_cache)
|
|
{
|
|
//$this->clear_message_cache($mailbox.'.msg');
|
|
$this->_clear_messagecount($mailbox);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/* --------------------------------
|
|
* folder managment
|
|
* --------------------------------*/
|
|
|
|
|
|
// return an array with all folders available in IMAP server
|
|
function list_unsubscribed($root='')
|
|
{
|
|
static $sa_unsubscribed;
|
|
|
|
if (is_array($sa_unsubscribed))
|
|
return $sa_unsubscribed;
|
|
|
|
// retrieve list of folders from IMAP server
|
|
$a_mboxes = iil_C_ListMailboxes($this->conn, $this->_mod_mailbox($root), '*');
|
|
|
|
// modify names with root dir
|
|
foreach ($a_mboxes as $mbox)
|
|
{
|
|
$name = $this->_mod_mailbox($mbox, 'out');
|
|
if (strlen($name))
|
|
$a_folders[] = $name;
|
|
}
|
|
|
|
// filter folders and sort them
|
|
$sa_unsubscribed = $this->_sort_mailbox_list($a_folders);
|
|
return $sa_unsubscribed;
|
|
}
|
|
|
|
|
|
// subscribe to a specific mailbox(es)
|
|
function subscribe($mbox, $mode='subscribe')
|
|
{
|
|
if (is_array($mbox))
|
|
$a_mboxes = $mbox;
|
|
else if (is_string($mbox) && strlen($mbox))
|
|
$a_mboxes = explode(',', $mbox);
|
|
|
|
// let this common function do the main work
|
|
return $this->_change_subscription($a_mboxes, 'subscribe');
|
|
}
|
|
|
|
|
|
// unsubscribe mailboxes
|
|
function unsubscribe($mbox)
|
|
{
|
|
if (is_array($mbox))
|
|
$a_mboxes = $mbox;
|
|
else if (is_string($mbox) && strlen($mbox))
|
|
$a_mboxes = explode(',', $mbox);
|
|
|
|
// let this common function do the main work
|
|
return $this->_change_subscription($a_mboxes, 'unsubscribe');
|
|
}
|
|
|
|
|
|
// create a new mailbox on the server and register it in local cache
|
|
function create_mailbox($name, $subscribe=FALSE)
|
|
{
|
|
$result = FALSE;
|
|
|
|
// replace backslashes
|
|
$name = preg_replace('/[\\\]+/', '-', $name);
|
|
|
|
$name_enc = UTF7EncodeString($name);
|
|
|
|
// reduce mailbox name to 100 chars
|
|
$name_enc = substr($name_enc, 0, 100);
|
|
|
|
$abs_name = $this->_mod_mailbox($name_enc);
|
|
$a_mailbox_cache = $this->get_cache('mailboxes');
|
|
|
|
if (strlen($abs_name) && (!is_array($a_mailbox_cache) || !in_array($abs_name, $a_mailbox_cache)))
|
|
$result = iil_C_CreateFolder($this->conn, $abs_name);
|
|
|
|
// update mailboxlist cache
|
|
if ($result && $subscribe)
|
|
$this->subscribe($name_enc);
|
|
|
|
return $result ? $name : FALSE;
|
|
}
|
|
|
|
|
|
// set a new name to an existing mailbox
|
|
function rename_mailbox($mbox, $new_name)
|
|
{
|
|
// not implemented yet
|
|
}
|
|
|
|
|
|
// remove mailboxes from server
|
|
function delete_mailbox($mbox)
|
|
{
|
|
$deleted = FALSE;
|
|
|
|
if (is_array($mbox))
|
|
$a_mboxes = $mbox;
|
|
else if (is_string($mbox) && strlen($mbox))
|
|
$a_mboxes = explode(',', $mbox);
|
|
|
|
if (is_array($a_mboxes))
|
|
foreach ($a_mboxes as $mbox)
|
|
{
|
|
$mailbox = $this->_mod_mailbox($mbox);
|
|
|
|
// unsubscribe mailbox before deleting
|
|
iil_C_UnSubscribe($this->conn, $mailbox);
|
|
|
|
// send delete command to server
|
|
$result = iil_C_DeleteFolder($this->conn, $mailbox);
|
|
if ($result>=0)
|
|
$deleted = TRUE;
|
|
}
|
|
|
|
// clear mailboxlist cache
|
|
if ($deleted)
|
|
{
|
|
$this->clear_message_cache($mailbox.'.msg');
|
|
$this->clear_cache('mailboxes');
|
|
}
|
|
|
|
return $deleted;
|
|
}
|
|
|
|
|
|
|
|
|
|
/* --------------------------------
|
|
* internal caching methods
|
|
* --------------------------------*/
|
|
|
|
|
|
function set_caching($set)
|
|
{
|
|
if ($set && is_object($this->db))
|
|
$this->caching_enabled = TRUE;
|
|
else
|
|
$this->caching_enabled = FALSE;
|
|
}
|
|
|
|
|
|
function get_cache($key)
|
|
{
|
|
// read cache
|
|
if (!isset($this->cache[$key]) && $this->caching_enabled)
|
|
{
|
|
$cache_data = $this->_read_cache_record('IMAP.'.$key);
|
|
$this->cache[$key] = strlen($cache_data) ? unserialize($cache_data) : FALSE;
|
|
}
|
|
|
|
return $this->cache[$key];
|
|
}
|
|
|
|
|
|
function update_cache($key, $data)
|
|
{
|
|
$this->cache[$key] = $data;
|
|
$this->cache_changed = TRUE;
|
|
$this->cache_changes[$key] = TRUE;
|
|
}
|
|
|
|
|
|
function write_cache()
|
|
{
|
|
if ($this->caching_enabled && $this->cache_changed)
|
|
{
|
|
foreach ($this->cache as $key => $data)
|
|
{
|
|
if ($this->cache_changes[$key])
|
|
$this->_write_cache_record('IMAP.'.$key, serialize($data));
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
function clear_cache($key=NULL)
|
|
{
|
|
if ($key===NULL)
|
|
{
|
|
foreach ($this->cache as $key => $data)
|
|
$this->_clear_cache_record('IMAP.'.$key);
|
|
|
|
$this->cache = array();
|
|
$this->cache_changed = FALSE;
|
|
$this->cache_changes = array();
|
|
}
|
|
else
|
|
{
|
|
$this->_clear_cache_record('IMAP.'.$key);
|
|
$this->cache_changes[$key] = FALSE;
|
|
unset($this->cache[$key]);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
function _read_cache_record($key)
|
|
{
|
|
$cache_data = FALSE;
|
|
|
|
if ($this->db)
|
|
{
|
|
// get cached data from DB
|
|
$sql_result = $this->db->query(
|
|
"SELECT cache_id, data
|
|
FROM ".get_table_name('cache')."
|
|
WHERE user_id=?
|
|
AND cache_key=?",
|
|
$_SESSION['user_id'],
|
|
$key);
|
|
|
|
if ($sql_arr = $this->db->fetch_assoc($sql_result))
|
|
{
|
|
$cache_data = $sql_arr['data'];
|
|
$this->cache_keys[$key] = $sql_arr['cache_id'];
|
|
}
|
|
}
|
|
|
|
return $cache_data;
|
|
}
|
|
|
|
|
|
function _write_cache_record($key, $data)
|
|
{
|
|
if (!$this->db)
|
|
return FALSE;
|
|
|
|
// check if we already have a cache entry for this key
|
|
if (!isset($this->cache_keys[$key]))
|
|
{
|
|
$sql_result = $this->db->query(
|
|
"SELECT cache_id
|
|
FROM ".get_table_name('cache')."
|
|
WHERE user_id=?
|
|
AND cache_key=?",
|
|
$_SESSION['user_id'],
|
|
$key);
|
|
|
|
if ($sql_arr = $this->db->fetch_assoc($sql_result))
|
|
$this->cache_keys[$key] = $sql_arr['cache_id'];
|
|
else
|
|
$this->cache_keys[$key] = FALSE;
|
|
}
|
|
|
|
// update existing cache record
|
|
if ($this->cache_keys[$key])
|
|
{
|
|
$this->db->query(
|
|
"UPDATE ".get_table_name('cache')."
|
|
SET created=now(),
|
|
data=?
|
|
WHERE user_id=?
|
|
AND cache_key=?",
|
|
$data,
|
|
$_SESSION['user_id'],
|
|
$key);
|
|
}
|
|
// add new cache record
|
|
else
|
|
{
|
|
$this->db->query(
|
|
"INSERT INTO ".get_table_name('cache')."
|
|
(created, user_id, cache_key, data)
|
|
VALUES (now(), ?, ?, ?)",
|
|
$_SESSION['user_id'],
|
|
$key,
|
|
$data);
|
|
}
|
|
}
|
|
|
|
|
|
function _clear_cache_record($key)
|
|
{
|
|
$this->db->query(
|
|
"DELETE FROM ".get_table_name('cache')."
|
|
WHERE user_id=?
|
|
AND cache_key=?",
|
|
$_SESSION['user_id'],
|
|
$key);
|
|
}
|
|
|
|
|
|
|
|
/* --------------------------------
|
|
* message caching methods
|
|
* --------------------------------*/
|
|
|
|
|
|
// checks if the cache is up-to-date
|
|
// return: -3 = off, -2 = incomplete, -1 = dirty
|
|
function check_cache_status($mailbox, $cache_key)
|
|
{
|
|
if (!$this->caching_enabled)
|
|
return -3;
|
|
|
|
$cache_index = $this->get_message_cache_index($cache_key, TRUE);
|
|
$msg_count = $this->_messagecount($mailbox);
|
|
$cache_count = count($cache_index);
|
|
|
|
// console("Cache check: $msg_count !== ".count($cache_index));
|
|
|
|
if ($cache_count==$msg_count)
|
|
{
|
|
// get highest index
|
|
$header = iil_C_FetchHeader($this->conn, $mailbox, "$msg_count");
|
|
$cache_uid = array_pop($cache_index);
|
|
|
|
// uids of highes message matches -> cache seems OK
|
|
if ($cache_uid == $header->uid)
|
|
return 1;
|
|
|
|
// cache is dirty
|
|
return -1;
|
|
}
|
|
// if cache count differs less that 10% report as dirty
|
|
else if (abs($msg_count - $cache_count) < $msg_count/10)
|
|
return -1;
|
|
else
|
|
return -2;
|
|
}
|
|
|
|
|
|
|
|
function get_message_cache($key, $from, $to, $sort_field, $sort_order)
|
|
{
|
|
$cache_key = "$key:$from:$to:$sort_field:$sort_order";
|
|
$db_header_fields = array('idx', 'uid', 'subject', 'from', 'to', 'cc', 'date', 'size');
|
|
|
|
if (!in_array($sort_field, $db_header_fields))
|
|
$sort_field = 'idx';
|
|
|
|
if ($this->caching_enabled && !isset($this->cache[$cache_key]))
|
|
{
|
|
$this->cache[$cache_key] = array();
|
|
$sql_result = $this->db->limitquery(
|
|
"SELECT idx, uid, headers
|
|
FROM ".get_table_name('messages')."
|
|
WHERE user_id=?
|
|
AND cache_key=?
|
|
ORDER BY ".$this->db->quoteIdentifier($sort_field)." ".
|
|
strtoupper($sort_order),
|
|
$from,
|
|
$to-$from,
|
|
$_SESSION['user_id'],
|
|
$key);
|
|
|
|
while ($sql_arr = $this->db->fetch_assoc($sql_result))
|
|
{
|
|
$uid = $sql_arr['uid'];
|
|
$this->cache[$cache_key][$uid] = unserialize($sql_arr['headers']);
|
|
}
|
|
}
|
|
|
|
return $this->cache[$cache_key];
|
|
}
|
|
|
|
|
|
function get_cached_message($key, $uid, $body=FALSE)
|
|
{
|
|
if (!$this->caching_enabled)
|
|
return FALSE;
|
|
|
|
$internal_key = '__single_msg';
|
|
if ($this->caching_enabled && (!isset($this->cache[$internal_key][$uid]) || $body))
|
|
{
|
|
$sql_select = "idx, uid, headers";
|
|
if ($body)
|
|
$sql_select .= ", body";
|
|
|
|
$sql_result = $this->db->query(
|
|
"SELECT $sql_select
|
|
FROM ".get_table_name('messages')."
|
|
WHERE user_id=?
|
|
AND cache_key=?
|
|
AND uid=?",
|
|
$_SESSION['user_id'],
|
|
$key,
|
|
$uid);
|
|
|
|
if ($sql_arr = $this->db->fetch_assoc($sql_result))
|
|
{
|
|
$headers = unserialize($sql_arr['headers']);
|
|
if (is_object($headers) && !empty($sql_arr['body']))
|
|
$headers->body = $sql_arr['body'];
|
|
|
|
$this->cache[$internal_key][$uid] = $headers;
|
|
}
|
|
}
|
|
|
|
return $this->cache[$internal_key][$uid];
|
|
}
|
|
|
|
|
|
function get_message_cache_index($key, $force=FALSE, $sort_col='idx')
|
|
{
|
|
static $sa_message_index = array();
|
|
|
|
if (!empty($sa_message_index[$key]) && !$force)
|
|
return $sa_message_index[$key];
|
|
|
|
$sa_message_index[$key] = array();
|
|
$sql_result = $this->db->query(
|
|
"SELECT idx, uid
|
|
FROM ".get_table_name('messages')."
|
|
WHERE user_id=?
|
|
AND cache_key=?
|
|
ORDER BY ".$sort_col." ASC",
|
|
$_SESSION['user_id'],
|
|
$key);
|
|
|
|
while ($sql_arr = $this->db->fetch_assoc($sql_result))
|
|
$sa_message_index[$key][$sql_arr['idx']] = $sql_arr['uid'];
|
|
|
|
return $sa_message_index[$key];
|
|
}
|
|
|
|
|
|
function add_message_cache($key, $index, $headers)
|
|
{
|
|
if (!is_object($headers) || empty($headers->uid))
|
|
return;
|
|
|
|
$this->db->query(
|
|
"INSERT INTO ".get_table_name('messages')."
|
|
(user_id, del, cache_key, idx, uid, subject, ".$this->db->quoteIdentifier('from').", ".$this->db->quoteIdentifier('to').", cc, date, size, headers)
|
|
VALUES (?, 0, ?, ?, ?, ?, ?, ?, ?, ".$this->db->fromunixtime($headers->timestamp).", ?, ?)",
|
|
$_SESSION['user_id'],
|
|
$key,
|
|
$index,
|
|
$headers->uid,
|
|
substr($this->decode_header($headers->subject, TRUE), 0, 128),
|
|
substr($this->decode_header($headers->from, TRUE), 0, 128),
|
|
substr($this->decode_header($headers->to, TRUE), 0, 128),
|
|
substr($this->decode_header($headers->cc, TRUE), 0, 128),
|
|
(int)$headers->size,
|
|
serialize($headers));
|
|
}
|
|
|
|
|
|
function remove_message_cache($key, $index)
|
|
{
|
|
$this->db->query(
|
|
"DELETE FROM ".get_table_name('messages')."
|
|
WHERE user_id=?
|
|
AND cache_key=?
|
|
AND idx=?",
|
|
$_SESSION['user_id'],
|
|
$key,
|
|
$index);
|
|
}
|
|
|
|
|
|
function clear_message_cache($key, $start_index=1)
|
|
{
|
|
$this->db->query(
|
|
"DELETE FROM ".get_table_name('messages')."
|
|
WHERE user_id=?
|
|
AND cache_key=?
|
|
AND idx>=?",
|
|
$_SESSION['user_id'],
|
|
$key,
|
|
$start_index);
|
|
}
|
|
|
|
|
|
|
|
|
|
/* --------------------------------
|
|
* encoding/decoding methods
|
|
* --------------------------------*/
|
|
|
|
|
|
function decode_address_list($input, $max=NULL)
|
|
{
|
|
$a = $this->_parse_address_list($input);
|
|
$out = array();
|
|
|
|
if (!is_array($a))
|
|
return $out;
|
|
|
|
$c = count($a);
|
|
$j = 0;
|
|
|
|
foreach ($a as $val)
|
|
{
|
|
$j++;
|
|
$address = $val['address'];
|
|
$name = preg_replace(array('/^[\'"]/', '/[\'"]$/'), '', trim($val['name']));
|
|
$string = $name!==$address ? sprintf('%s <%s>', strpos($name, ',')!==FALSE ? '"'.$name.'"' : $name, $address) : $address;
|
|
|
|
$out[$j] = array('name' => $name,
|
|
'mailto' => $address,
|
|
'string' => $string);
|
|
|
|
if ($max && $j==$max)
|
|
break;
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
function decode_header($input, $remove_quotes=FALSE)
|
|
{
|
|
$str = $this->decode_mime_string((string)$input);
|
|
if ($str{0}=='"' && $remove_quotes)
|
|
{
|
|
$str = str_replace('"', '', $str);
|
|
}
|
|
|
|
return $str;
|
|
}
|
|
|
|
|
|
function decode_mime_string($input)
|
|
{
|
|
$out = '';
|
|
|
|
$pos = strpos($input, '=?');
|
|
if ($pos !== false)
|
|
{
|
|
$out = substr($input, 0, $pos);
|
|
|
|
$end_cs_pos = strpos($input, "?", $pos+2);
|
|
$end_en_pos = strpos($input, "?", $end_cs_pos+1);
|
|
$end_pos = strpos($input, "?=", $end_en_pos+1);
|
|
|
|
$encstr = substr($input, $pos+2, ($end_pos-$pos-2));
|
|
$rest = substr($input, $end_pos+2);
|
|
|
|
$out .= rcube_imap::_decode_mime_string_part($encstr);
|
|
$out .= rcube_imap::decode_mime_string($rest);
|
|
|
|
return $out;
|
|
}
|
|
else
|
|
return $input;
|
|
}
|
|
|
|
|
|
function _decode_mime_string_part($str)
|
|
{
|
|
$a = explode('?', $str);
|
|
$count = count($a);
|
|
|
|
// should be in format "charset?encoding?base64_string"
|
|
if ($count >= 3)
|
|
{
|
|
for ($i=2; $i<$count; $i++)
|
|
$rest.=$a[$i];
|
|
|
|
if (($a[1]=="B")||($a[1]=="b"))
|
|
$rest = base64_decode($rest);
|
|
else if (($a[1]=="Q")||($a[1]=="q"))
|
|
{
|
|
$rest = str_replace("_", " ", $rest);
|
|
$rest = quoted_printable_decode($rest);
|
|
}
|
|
|
|
return decode_specialchars($rest, $a[0]);
|
|
}
|
|
else
|
|
return $str; //we dont' know what to do with this
|
|
}
|
|
|
|
|
|
function mime_decode($input, $encoding='7bit')
|
|
{
|
|
switch (strtolower($encoding))
|
|
{
|
|
case '7bit':
|
|
return $input;
|
|
break;
|
|
|
|
case 'quoted-printable':
|
|
return quoted_printable_decode($input);
|
|
break;
|
|
|
|
case 'base64':
|
|
return base64_decode($input);
|
|
break;
|
|
|
|
default:
|
|
return $input;
|
|
}
|
|
}
|
|
|
|
|
|
function mime_encode($input, $encoding='7bit')
|
|
{
|
|
switch ($encoding)
|
|
{
|
|
case 'quoted-printable':
|
|
return quoted_printable_encode($input);
|
|
break;
|
|
|
|
case 'base64':
|
|
return base64_encode($input);
|
|
break;
|
|
|
|
default:
|
|
return $input;
|
|
}
|
|
}
|
|
|
|
|
|
// convert body chars according to the ctype_parameters
|
|
function charset_decode($body, $ctype_param)
|
|
{
|
|
if (is_array($ctype_param) && !empty($ctype_param['charset']))
|
|
return decode_specialchars($body, $ctype_param['charset']);
|
|
|
|
return $body;
|
|
}
|
|
|
|
|
|
|
|
/* --------------------------------
|
|
* private methods
|
|
* --------------------------------*/
|
|
|
|
|
|
function _mod_mailbox($mbox, $mode='in')
|
|
{
|
|
if ((!empty($this->root_ns) && $this->root_ns == $mbox) || ($mbox == 'INBOX' && $mode == 'in'))
|
|
return $mbox;
|
|
|
|
if (!empty($this->root_dir) && $mode=='in')
|
|
$mbox = $this->root_dir.$this->delimiter.$mbox;
|
|
else if (strlen($this->root_dir) && $mode=='out')
|
|
$mbox = substr($mbox, strlen($this->root_dir)+1);
|
|
|
|
return $mbox;
|
|
}
|
|
|
|
|
|
// sort mailboxes first by default folders and then in alphabethical order
|
|
function _sort_mailbox_list($a_folders)
|
|
{
|
|
$a_out = $a_defaults = array();
|
|
|
|
// find default folders and skip folders starting with '.'
|
|
foreach($a_folders as $i => $folder)
|
|
{
|
|
if ($folder{0}=='.')
|
|
continue;
|
|
|
|
if (($p = array_search(strtolower($folder), $this->default_folders))!==FALSE)
|
|
$a_defaults[$p] = $folder;
|
|
else
|
|
$a_out[] = $folder;
|
|
}
|
|
|
|
sort($a_out);
|
|
ksort($a_defaults);
|
|
|
|
return array_merge($a_defaults, $a_out);
|
|
}
|
|
|
|
|
|
function _uid2id($uid, $mbox=NULL)
|
|
{
|
|
if (!$mbox)
|
|
$mbox = $this->mailbox;
|
|
|
|
if (!isset($this->uid_id_map[$mbox][$uid]))
|
|
$this->uid_id_map[$mbox][$uid] = iil_C_UID2ID($this->conn, $mbox, $uid);
|
|
|
|
return $this->uid_id_map[$mbox][$uid];
|
|
}
|
|
|
|
|
|
// parse string or array of server capabilities and put them in internal array
|
|
function _parse_capability($caps)
|
|
{
|
|
if (!is_array($caps))
|
|
$cap_arr = explode(' ', $caps);
|
|
else
|
|
$cap_arr = $caps;
|
|
|
|
foreach ($cap_arr as $cap)
|
|
{
|
|
if ($cap=='CAPABILITY')
|
|
continue;
|
|
|
|
if (strpos($cap, '=')>0)
|
|
{
|
|
list($key, $value) = explode('=', $cap);
|
|
if (!is_array($this->capabilities[$key]))
|
|
$this->capabilities[$key] = array();
|
|
|
|
$this->capabilities[$key][] = $value;
|
|
}
|
|
else
|
|
$this->capabilities[$cap] = TRUE;
|
|
}
|
|
}
|
|
|
|
|
|
// subscribe/unsubscribe a list of mailboxes and update local cache
|
|
function _change_subscription($a_mboxes, $mode)
|
|
{
|
|
$updated = FALSE;
|
|
|
|
if (is_array($a_mboxes))
|
|
foreach ($a_mboxes as $i => $mbox)
|
|
{
|
|
$mailbox = $this->_mod_mailbox($mbox);
|
|
$a_mboxes[$i] = $mailbox;
|
|
|
|
if ($mode=='subscribe')
|
|
$result = iil_C_Subscribe($this->conn, $mailbox);
|
|
else if ($mode=='unsubscribe')
|
|
$result = iil_C_UnSubscribe($this->conn, $mailbox);
|
|
|
|
if ($result>=0)
|
|
$updated = TRUE;
|
|
}
|
|
|
|
// get cached mailbox list
|
|
if ($updated)
|
|
{
|
|
$a_mailbox_cache = $this->get_cache('mailboxes');
|
|
if (!is_array($a_mailbox_cache))
|
|
return $updated;
|
|
|
|
// modify cached list
|
|
if ($mode=='subscribe')
|
|
$a_mailbox_cache = array_merge($a_mailbox_cache, $a_mboxes);
|
|
else if ($mode=='unsubscribe')
|
|
$a_mailbox_cache = array_diff($a_mailbox_cache, $a_mboxes);
|
|
|
|
// write mailboxlist to cache
|
|
$this->update_cache('mailboxes', $this->_sort_mailbox_list($a_mailbox_cache));
|
|
}
|
|
|
|
return $updated;
|
|
}
|
|
|
|
|
|
// increde/decrese messagecount for a specific mailbox
|
|
function _set_messagecount($mbox, $mode, $increment)
|
|
{
|
|
$a_mailbox_cache = FALSE;
|
|
$mailbox = $mbox ? $mbox : $this->mailbox;
|
|
$mode = strtoupper($mode);
|
|
|
|
$a_mailbox_cache = $this->get_cache('messagecount');
|
|
|
|
if (!is_array($a_mailbox_cache[$mailbox]) || !isset($a_mailbox_cache[$mailbox][$mode]) || !is_numeric($increment))
|
|
return FALSE;
|
|
|
|
// add incremental value to messagecount
|
|
$a_mailbox_cache[$mailbox][$mode] += $increment;
|
|
|
|
// there's something wrong, delete from cache
|
|
if ($a_mailbox_cache[$mailbox][$mode] < 0)
|
|
unset($a_mailbox_cache[$mailbox][$mode]);
|
|
|
|
// write back to cache
|
|
$this->update_cache('messagecount', $a_mailbox_cache);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
// remove messagecount of a specific mailbox from cache
|
|
function _clear_messagecount($mbox='')
|
|
{
|
|
$a_mailbox_cache = FALSE;
|
|
$mailbox = $mbox ? $mbox : $this->mailbox;
|
|
|
|
$a_mailbox_cache = $this->get_cache('messagecount');
|
|
|
|
if (is_array($a_mailbox_cache[$mailbox]))
|
|
{
|
|
unset($a_mailbox_cache[$mailbox]);
|
|
$this->update_cache('messagecount', $a_mailbox_cache);
|
|
}
|
|
}
|
|
|
|
|
|
function _parse_address_list($str)
|
|
{
|
|
$a = $this->_explode_quoted_string(',', $str);
|
|
$result = array();
|
|
|
|
foreach ($a as $key => $val)
|
|
{
|
|
$val = str_replace("\"<", "\" <", $val);
|
|
$sub_a = $this->_explode_quoted_string(' ', $val);
|
|
|
|
foreach ($sub_a as $k => $v)
|
|
{
|
|
if ((strpos($v, '@') > 0) && (strpos($v, '.') > 0))
|
|
$result[$key]['address'] = str_replace('<', '', str_replace('>', '', $v));
|
|
else
|
|
$result[$key]['name'] .= (empty($result[$key]['name'])?'':' ').str_replace("\"",'',stripslashes($v));
|
|
}
|
|
|
|
if (empty($result[$key]['name']))
|
|
$result[$key]['name'] = $result[$key]['address'];
|
|
|
|
$result[$key]['name'] = $this->decode_header($result[$key]['name']);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
function _explode_quoted_string($delimiter, $string)
|
|
{
|
|
$quotes = explode("\"", $string);
|
|
foreach ($quotes as $key => $val)
|
|
if (($key % 2) == 1)
|
|
$quotes[$key] = str_replace($delimiter, "_!@!_", $quotes[$key]);
|
|
|
|
$string = implode("\"", $quotes);
|
|
|
|
$result = explode($delimiter, $string);
|
|
foreach ($result as $key => $val)
|
|
$result[$key] = str_replace("_!@!_", $delimiter, $result[$key]);
|
|
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
function quoted_printable_encode($input="", $line_max=76, $space_conv=false)
|
|
{
|
|
$hex = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
|
|
$lines = preg_split("/(?:\r\n|\r|\n)/", $input);
|
|
$eol = "\r\n";
|
|
$escape = "=";
|
|
$output = "";
|
|
|
|
while( list(, $line) = each($lines))
|
|
{
|
|
//$line = rtrim($line); // remove trailing white space -> no =20\r\n necessary
|
|
$linlen = strlen($line);
|
|
$newline = "";
|
|
for($i = 0; $i < $linlen; $i++)
|
|
{
|
|
$c = substr( $line, $i, 1 );
|
|
$dec = ord( $c );
|
|
if ( ( $i == 0 ) && ( $dec == 46 ) ) // convert first point in the line into =2E
|
|
{
|
|
$c = "=2E";
|
|
}
|
|
if ( $dec == 32 )
|
|
{
|
|
if ( $i == ( $linlen - 1 ) ) // convert space at eol only
|
|
{
|
|
$c = "=20";
|
|
}
|
|
else if ( $space_conv )
|
|
{
|
|
$c = "=20";
|
|
}
|
|
}
|
|
else if ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) // always encode "\t", which is *not* required
|
|
{
|
|
$h2 = floor($dec/16);
|
|
$h1 = floor($dec%16);
|
|
$c = $escape.$hex["$h2"].$hex["$h1"];
|
|
}
|
|
|
|
if ( (strlen($newline) + strlen($c)) >= $line_max ) // CRLF is not counted
|
|
{
|
|
$output .= $newline.$escape.$eol; // soft line break; " =\r\n" is okay
|
|
$newline = "";
|
|
// check if newline first character will be point or not
|
|
if ( $dec == 46 )
|
|
{
|
|
$c = "=2E";
|
|
}
|
|
}
|
|
$newline .= $c;
|
|
} // end of for
|
|
$output .= $newline.$eol;
|
|
} // end of while
|
|
|
|
return trim($output);
|
|
}
|
|
|
|
?>
|