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2932 lines
79 KiB
PHP
2932 lines
79 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| program/include/rcube_imap.php |
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| This file is part of the RoundCube Webmail client |
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| Copyright (C) 2005-2008, 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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/**
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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 Mail
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* @author Thomas Bruederli <roundcube@gmail.com>
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* @version 1.40
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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_charset = 'ISO-8859-1';
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var $default_folders = array('INBOX');
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var $default_folders_lc = array('inbox');
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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 $search_set = NULL;
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var $search_subject = '';
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var $search_string = '';
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var $search_charset = '';
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var $debug_level = 1;
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var $error_code = 0;
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/**
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* Object constructor
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*
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* @param object DB Database connection
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*/
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function __construct($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 string SSL schema (either ssl or tls) or null if plain 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=null)
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{
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global $ICL_SSL, $ICL_PORT, $IMAP_USE_INTERNAL_DATE;
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// check for Open-SSL support in PHP build
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if ($use_ssl && in_array('openssl', get_loaded_extensions()))
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$ICL_SSL = $use_ssl == 'imaps' ? 'ssl' : $use_ssl;
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else if ($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 = $port;
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$IMAP_USE_INTERNAL_DATE = false;
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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 && $GLOBALS['iil_error'])
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{
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$this->error_code = $GLOBALS['iil_errornum'];
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raise_error(array('code' => 403,
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'type' => 'imap',
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'message' => $GLOBALS['iil_error']), TRUE, FALSE);
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}
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// get server properties
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if ($this->conn)
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{
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$this->_parse_capability($this->conn->capability);
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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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$this->get_hierarchy_delimiter();
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}
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/**
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* Set default message charset
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*
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* This will be used for message decoding if a charset specification is not available
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*
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* @param string Charset string
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* @access public
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*/
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function set_charset($cs)
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{
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$this->default_charset = $ch;
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}
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/**
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* This list of folders will be listed above all other folders
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*
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* @param array Indexed list of folder names
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* @access public
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*/
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function set_default_mailboxes($arr)
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{
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if (is_array($arr))
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{
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$this->default_folders = $arr;
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$this->default_folders_lc = array();
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// add inbox if not included
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if (!in_array_nocase('INBOX', $this->default_folders))
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array_unshift($this->default_folders, 'INBOX');
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// create a second list with lower cased names
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foreach ($this->default_folders as $mbox)
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$this->default_folders_lc[] = strtolower($mbox);
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}
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}
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/**
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* Set internal mailbox reference.
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*
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* All operations will be perfomed on this mailbox/folder
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*
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* @param string Mailbox/Folder name
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* @access public
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*/
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function set_mailbox($new_mbox)
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{
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$mailbox = $this->_mod_mailbox($new_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)$size;
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}
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/**
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* Save a set of message ids for future message listing methods
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*
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* @param array List of IMAP fields to search in
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* @param string Search string
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* @param array List of message ids or NULL if empty
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*/
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function set_search_set($subject, $str=null, $msgs=null, $charset=null)
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{
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if (is_array($subject) && $str == null && $msgs == null)
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list($subject, $str, $msgs, $charset) = $subject;
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if ($msgs != null && !is_array($msgs))
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$msgs = split(',', $msgs);
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$this->search_subject = $subject;
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$this->search_string = $str;
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$this->search_set = (array)$msgs;
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$this->search_charset = $charset;
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}
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/**
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* Return the saved search set as hash array
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* @return array Search set
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*/
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function get_search_set()
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{
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return array($this->search_subject, $this->search_string, $this->search_set, $this->search_charset);
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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 $mbox_row)
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{
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$name = $this->_mod_mailbox($mbox_row, 'out');
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if (strlen($name))
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$a_out[] = $name;
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}
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// INBOX should always be available
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if (!in_array_nocase('INBOX', $a_out))
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array_unshift($a_out, 'INBOX');
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// sort mailboxes
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$a_out = $this->_sort_mailbox_list($a_out);
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return $a_out;
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}
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/**
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* Private method for mailbox listing
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*
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* @return array List of mailboxes/folders
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* @see rcube_imap::list_mailboxes()
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* @access private
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*/
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function _list_mailboxes($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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// write mailboxlist to cache
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$this->update_cache('mailboxes', $a_folders);
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return $a_folders;
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}
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/**
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* Get message count for a specific mailbox
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*
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* @param string Mailbox/folder name
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* @param string Mode for count [ALL|UNSEEN|RECENT]
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* @param boolean Force reading from server and update cache
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* @return int Number of messages
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* @access public
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*/
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function messagecount($mbox_name='', $mode='ALL', $force=FALSE)
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{
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$mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox;
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return $this->_messagecount($mailbox, $mode, $force);
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}
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/**
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* Private method for getting nr of messages
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*
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* @access private
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* @see rcube_imap::messagecount()
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*/
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function _messagecount($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 = $this->mailbox;
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// count search set
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if ($this->search_string && $mailbox == $this->mailbox && $mode == 'ALL' && !$force)
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return count((array)$this->search_set);
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$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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$search_str = "ALL UNDELETED";
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|
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// get message count and store in cache
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if ($mode == 'UNSEEN')
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$search_str .= " UNSEEN";
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|
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// get message count using SEARCH
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// not very performant but more precise (using UNDELETED)
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$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[$mailbox] = array();
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|
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$a_mailbox_cache[$mailbox][$mode] = (int)$count;
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|
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// write back to cache
|
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$this->update_cache('messagecount', $a_mailbox_cache);
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|
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return (int)$count;
|
|
}
|
|
|
|
|
|
/**
|
|
* Public method for listing headers
|
|
* convert mailbox name with root dir first
|
|
*
|
|
* @param string Mailbox/folder name
|
|
* @param int Current page to list
|
|
* @param string Header field to sort by
|
|
* @param string Sort order [ASC|DESC]
|
|
* @return array Indexed array with message header objects
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|
* @access public
|
|
*/
|
|
function list_headers($mbox_name='', $page=NULL, $sort_field=NULL, $sort_order=NULL)
|
|
{
|
|
$mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox;
|
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return $this->_list_headers($mailbox, $page, $sort_field, $sort_order);
|
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}
|
|
|
|
|
|
/**
|
|
* Private method for listing message headers
|
|
*
|
|
* @access private
|
|
* @see rcube_imap::list_headers
|
|
*/
|
|
function _list_headers($mailbox='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $recursive=FALSE)
|
|
{
|
|
if (!strlen($mailbox))
|
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return array();
|
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|
|
// use saved message set
|
|
if ($this->search_string && $mailbox == $this->mailbox)
|
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return $this->_list_header_set($mailbox, $this->search_set, $page, $sort_field, $sort_order);
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|
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$this->_set_sort_order($sort_field, $sort_order);
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|
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$max = $this->_messagecount($mailbox);
|
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$start_msg = ($this->list_page-1) * $this->page_size;
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|
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list($begin, $end) = $this->_get_message_range($max, $page);
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|
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// mailbox is empty
|
|
if ($begin >= $end)
|
|
return array();
|
|
|
|
$headers_sorted = FALSE;
|
|
$cache_key = $mailbox.'.msg';
|
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$cache_status = $this->check_cache_status($mailbox, $cache_key);
|
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|
|
// cache is OK, we can get all messages from local cache
|
|
if ($cache_status>0)
|
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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);
|
|
$headers_sorted = TRUE;
|
|
}
|
|
// cache is dirty, sync it
|
|
else if ($this->caching_enabled && $cache_status==-1 && !$recursive)
|
|
{
|
|
$this->sync_header_index($mailbox);
|
|
return $this->_list_headers($mailbox, $page, $this->sort_field, $this->sort_order, TRUE);
|
|
}
|
|
else
|
|
{
|
|
// retrieve headers from IMAP
|
|
if ($this->get_capability('sort') && ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')))
|
|
{
|
|
$msgs = $msg_index[$begin];
|
|
for ($i=$begin+1; $i < $end; $i++)
|
|
$msgs = $msgs.','.$msg_index[$i];
|
|
}
|
|
else
|
|
{
|
|
$msgs = sprintf("%d:%d", $begin+1, $end);
|
|
|
|
$i = 0;
|
|
for ($msg_seqnum = $begin; $msg_seqnum <= $end; $msg_seqnum++)
|
|
$msg_index[$i++] = $msg_seqnum;
|
|
}
|
|
|
|
// use this class for message sorting
|
|
$sorter = new rcube_header_sorter();
|
|
$sorter->set_sequence_numbers($msg_index);
|
|
|
|
// fetch reuested headers from server
|
|
$a_msg_headers = array();
|
|
$deleted_count = $this->_fetch_headers($mailbox, $msgs, $a_msg_headers, $cache_key);
|
|
|
|
// delete cached messages with a higher index than $max+1
|
|
// Changed $max to $max+1 to fix this bug : #1484295
|
|
$this->clear_message_cache($cache_key, $max + 1);
|
|
|
|
|
|
// kick child process to sync cache
|
|
// ...
|
|
|
|
}
|
|
|
|
|
|
// return empty array if no messages found
|
|
if (!is_array($a_msg_headers) || empty($a_msg_headers))
|
|
return array();
|
|
|
|
|
|
// if not already sorted
|
|
if (!$headers_sorted)
|
|
{
|
|
$sorter->sort_headers($a_msg_headers);
|
|
|
|
if ($this->sort_order == 'DESC')
|
|
$a_msg_headers = array_reverse($a_msg_headers);
|
|
}
|
|
|
|
return array_values($a_msg_headers);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Public method for listing a specific set of headers
|
|
* convert mailbox name with root dir first
|
|
*
|
|
* @param string Mailbox/folder name
|
|
* @param array List of message ids to list
|
|
* @param int Current page to list
|
|
* @param string Header field to sort by
|
|
* @param string Sort order [ASC|DESC]
|
|
* @return array Indexed array with message header objects
|
|
* @access public
|
|
*/
|
|
function list_header_set($mbox_name='', $msgs, $page=NULL, $sort_field=NULL, $sort_order=NULL)
|
|
{
|
|
$mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox;
|
|
return $this->_list_header_set($mailbox, $msgs, $page, $sort_field, $sort_order);
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method for listing a set of message headers
|
|
*
|
|
* @access private
|
|
* @see rcube_imap::list_header_set()
|
|
*/
|
|
function _list_header_set($mailbox, $msgs, $page=NULL, $sort_field=NULL, $sort_order=NULL)
|
|
{
|
|
// also accept a comma-separated list of message ids
|
|
if (is_string($msgs))
|
|
$msgs = split(',', $msgs);
|
|
|
|
if (!strlen($mailbox) || empty($msgs))
|
|
return array();
|
|
|
|
$this->_set_sort_order($sort_field, $sort_order);
|
|
|
|
$max = count($msgs);
|
|
$start_msg = ($this->list_page-1) * $this->page_size;
|
|
|
|
// fetch reuested headers from server
|
|
$a_msg_headers = array();
|
|
$this->_fetch_headers($mailbox, join(',', $msgs), $a_msg_headers, NULL);
|
|
|
|
// return empty array if no messages found
|
|
if (!is_array($a_msg_headers) || empty($a_msg_headers))
|
|
return array();
|
|
|
|
// if not already sorted
|
|
$a_msg_headers = iil_SortHeaders($a_msg_headers, $this->sort_field, $this->sort_order);
|
|
|
|
// only return the requested part of the set
|
|
return array_slice(array_values($a_msg_headers), $start_msg, min($max-$start_msg, $this->page_size));
|
|
}
|
|
|
|
|
|
/**
|
|
* Helper function to get first and last index of the requested set
|
|
*
|
|
* @param int message count
|
|
* @param mixed page number to show, or string 'all'
|
|
* @return array array with two values: first index, last index
|
|
* @access private
|
|
*/
|
|
function _get_message_range($max, $page)
|
|
{
|
|
$start_msg = ($this->list_page-1) * $this->page_size;
|
|
|
|
if ($page=='all')
|
|
{
|
|
$begin = 0;
|
|
$end = $max;
|
|
}
|
|
else if ($this->sort_order=='DESC')
|
|
{
|
|
$begin = $max - $this->page_size - $start_msg;
|
|
$end = $max - $start_msg;
|
|
}
|
|
else
|
|
{
|
|
$begin = $start_msg;
|
|
$end = $start_msg + $this->page_size;
|
|
}
|
|
|
|
if ($begin < 0) $begin = 0;
|
|
if ($end < 0) $end = $max;
|
|
if ($end > $max) $end = $max;
|
|
|
|
return array($begin, $end);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Fetches message headers
|
|
* Used for loop
|
|
*
|
|
* @param string Mailbox name
|
|
* @param string Message index to fetch
|
|
* @param array Reference to message headers array
|
|
* @param array Array with cache index
|
|
* @return int Number of deleted messages
|
|
* @access private
|
|
*/
|
|
function _fetch_headers($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 $deleted_count;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return sorted array of message UIDs
|
|
*
|
|
* @param string Mailbox to get index from
|
|
* @param string Sort column
|
|
* @param string Sort order [ASC, DESC]
|
|
* @return array Indexed array with message ids
|
|
*/
|
|
function message_index($mbox_name='', $sort_field=NULL, $sort_order=NULL)
|
|
{
|
|
$this->_set_sort_order($sort_field, $sort_order);
|
|
|
|
$mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox;
|
|
$key = "{$mailbox}:{$this->sort_field}:{$this->sort_order}:{$this->search_string}.msgi";
|
|
|
|
// we have a saved search result. get index from there
|
|
if (!isset($this->cache[$key]) && $this->search_string && $mailbox == $this->mailbox)
|
|
{
|
|
$this->cache[$key] = $a_msg_headers = array();
|
|
$this->_fetch_headers($mailbox, join(',', $this->search_set), $a_msg_headers, NULL);
|
|
|
|
foreach (iil_SortHeaders($a_msg_headers, $this->sort_field, $this->sort_order) as $i => $msg)
|
|
$this->cache[$key][] = $msg->uid;
|
|
}
|
|
|
|
// have stored it in RAM
|
|
if (isset($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, TRUE, $this->sort_field, $this->sort_order);
|
|
return array_values($a_index);
|
|
}
|
|
|
|
|
|
// fetch complete message index
|
|
$msg_count = $this->_messagecount($mailbox);
|
|
if ($this->get_capability('sort') && ($a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, '', TRUE)))
|
|
{
|
|
if ($this->sort_order == 'DESC')
|
|
$a_index = array_reverse($a_index);
|
|
|
|
$this->cache[$key] = $a_index;
|
|
|
|
}
|
|
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];
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
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] == $uid)
|
|
{
|
|
unset($cache_index[$id]);
|
|
continue;
|
|
}
|
|
|
|
// message in cache but in wrong position
|
|
if (in_array((string)$uid, $cache_index, TRUE))
|
|
{
|
|
unset($cache_index[$id]);
|
|
}
|
|
|
|
// other message at this position
|
|
if (isset($cache_index[$id]))
|
|
{
|
|
$this->remove_message_cache($cache_key, $id);
|
|
unset($cache_index[$id]);
|
|
}
|
|
|
|
|
|
// 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, $id);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Invoke search request to IMAP server
|
|
*
|
|
* @param string mailbox name to search in
|
|
* @param string search criteria (ALL, TO, FROM, SUBJECT, etc)
|
|
* @param string search string
|
|
* @return array search results as list of message ids
|
|
* @access public
|
|
*/
|
|
function search($mbox_name='', $criteria='ALL', $str=NULL, $charset=NULL)
|
|
{
|
|
$mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox;
|
|
|
|
// have an array of criterias => execute multiple searches
|
|
if (is_array($criteria) && $str)
|
|
{
|
|
$results = array();
|
|
foreach ($criteria as $crit)
|
|
if ($search_result = $this->search($mbox_name, $crit, $str, $charset))
|
|
$results = array_merge($results, $search_result);
|
|
|
|
$results = array_unique($results);
|
|
$this->set_search_set($criteria, $str, $results, $charset);
|
|
return $results;
|
|
}
|
|
else if ($str && $criteria)
|
|
{
|
|
$search = (!empty($charset) ? "CHARSET $charset " : '') . sprintf("%s {%d}\r\n%s", $criteria, strlen($str), $str);
|
|
$results = $this->_search_index($mailbox, $search);
|
|
|
|
// try search with ISO charset (should be supported by server)
|
|
if (empty($results) && !empty($charset) && $charset!='ISO-8859-1')
|
|
$results = $this->search($mbox_name, $criteria, rcube_charset_convert($str, $charset, 'ISO-8859-1'), 'ISO-8859-1');
|
|
|
|
$this->set_search_set($criteria, $str, $results, $charset);
|
|
return $results;
|
|
}
|
|
else
|
|
return $this->_search_index($mailbox, $criteria);
|
|
}
|
|
|
|
|
|
/**
|
|
* Private search method
|
|
*
|
|
* @return array search results as list of message ids
|
|
* @access private
|
|
* @see rcube_imap::search()
|
|
*/
|
|
function _search_index($mailbox, $criteria='ALL')
|
|
{
|
|
$a_messages = iil_C_Search($this->conn, $mailbox, $criteria);
|
|
// clean message list (there might be some empty entries)
|
|
if (is_array($a_messages))
|
|
{
|
|
foreach ($a_messages as $i => $val)
|
|
if (empty($val))
|
|
unset($a_messages[$i]);
|
|
}
|
|
|
|
return $a_messages;
|
|
}
|
|
|
|
|
|
/**
|
|
* Refresh saved search set
|
|
*
|
|
* @return array Current search set
|
|
*/
|
|
function refresh_search()
|
|
{
|
|
if (!empty($this->search_subject) && !empty($this->search_string))
|
|
$this->search_set = $this->search('', $this->search_subject, $this->search_string, $this->search_charset);
|
|
|
|
return $this->get_search_set();
|
|
}
|
|
|
|
|
|
/**
|
|
* Check if the given message ID is part of the current search set
|
|
*
|
|
* @return boolean True on match or if no search request is stored
|
|
*/
|
|
function in_searchset($msgid)
|
|
{
|
|
if (!empty($this->search_string))
|
|
return in_array("$msgid", (array)$this->search_set, true);
|
|
else
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return message headers object of a specific message
|
|
*
|
|
* @param int Message ID
|
|
* @param string Mailbox to read from
|
|
* @param boolean True if $id is the message UID
|
|
* @return object Message headers representation
|
|
*/
|
|
function get_headers($id, $mbox_name=NULL, $is_uid=TRUE)
|
|
{
|
|
$mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox;
|
|
$uid = $is_uid ? $id : $this->_id2uid($id);
|
|
|
|
// get cached headers
|
|
if ($uid && ($headers = &$this->get_cached_message($mailbox.'.msg', $uid)))
|
|
return $headers;
|
|
|
|
$headers = iil_C_FetchHeader($this->conn, $mailbox, $id, $is_uid);
|
|
|
|
// write headers cache
|
|
if ($headers)
|
|
{
|
|
if ($headers->uid && $headers->id)
|
|
$this->uid_id_map[$mailbox][$headers->uid] = $headers->id;
|
|
|
|
$this->add_message_cache($mailbox.'.msg', $headers->id, $headers);
|
|
}
|
|
|
|
return $headers;
|
|
}
|
|
|
|
|
|
/**
|
|
* Fetch body structure from the IMAP server and build
|
|
* an object structure similar to the one generated by PEAR::Mail_mimeDecode
|
|
*
|
|
* @param int Message UID to fetch
|
|
* @return object stdClass Message part tree or False on failure
|
|
*/
|
|
function &get_structure($uid)
|
|
{
|
|
$cache_key = $this->mailbox.'.msg';
|
|
$headers = &$this->get_cached_message($cache_key, $uid, true);
|
|
|
|
// return cached message structure
|
|
if (is_object($headers) && is_object($headers->structure))
|
|
return $headers->structure;
|
|
|
|
// resolve message sequence number
|
|
if (!($msg_id = $this->_uid2id($uid)))
|
|
return FALSE;
|
|
|
|
$structure_str = iil_C_FetchStructureString($this->conn, $this->mailbox, $msg_id);
|
|
$structure = iml_GetRawStructureArray($structure_str);
|
|
$struct = false;
|
|
|
|
// parse structure and add headers
|
|
if (!empty($structure))
|
|
{
|
|
$this->_msg_id = $msg_id;
|
|
$headers = $this->get_headers($uid);
|
|
|
|
$struct = &$this->_structure_part($structure);
|
|
$struct->headers = get_object_vars($headers);
|
|
|
|
// don't trust given content-type
|
|
if (empty($struct->parts) && !empty($struct->headers['ctype']))
|
|
{
|
|
$struct->mime_id = '1';
|
|
$struct->mimetype = strtolower($struct->headers['ctype']);
|
|
list($struct->ctype_primary, $struct->ctype_secondary) = explode('/', $struct->mimetype);
|
|
}
|
|
|
|
// write structure to cache
|
|
if ($this->caching_enabled)
|
|
$this->add_message_cache($cache_key, $msg_id, $headers, $struct);
|
|
}
|
|
|
|
return $struct;
|
|
}
|
|
|
|
|
|
/**
|
|
* Build message part object
|
|
*
|
|
* @access private
|
|
*/
|
|
function &_structure_part($part, $count=0, $parent='')
|
|
{
|
|
$struct = new rcube_message_part;
|
|
$struct->mime_id = empty($parent) ? (string)$count : "$parent.$count";
|
|
|
|
// multipart
|
|
if (is_array($part[0]))
|
|
{
|
|
$struct->ctype_primary = 'multipart';
|
|
|
|
// find first non-array entry
|
|
for ($i=1; count($part); $i++)
|
|
if (!is_array($part[$i]))
|
|
{
|
|
$struct->ctype_secondary = strtolower($part[$i]);
|
|
break;
|
|
}
|
|
|
|
$struct->mimetype = 'multipart/'.$struct->ctype_secondary;
|
|
|
|
$struct->parts = array();
|
|
for ($i=0, $count=0; $i<count($part); $i++)
|
|
if (is_array($part[$i]) && count($part[$i]) > 5)
|
|
$struct->parts[] = $this->_structure_part($part[$i], ++$count, $struct->mime_id);
|
|
|
|
return $struct;
|
|
}
|
|
|
|
|
|
// regular part
|
|
$struct->ctype_primary = strtolower($part[0]);
|
|
$struct->ctype_secondary = strtolower($part[1]);
|
|
$struct->mimetype = $struct->ctype_primary.'/'.$struct->ctype_secondary;
|
|
|
|
// read content type parameters
|
|
if (is_array($part[2]))
|
|
{
|
|
$struct->ctype_parameters = array();
|
|
for ($i=0; $i<count($part[2]); $i+=2)
|
|
$struct->ctype_parameters[strtolower($part[2][$i])] = $part[2][$i+1];
|
|
|
|
if (isset($struct->ctype_parameters['charset']))
|
|
$struct->charset = $struct->ctype_parameters['charset'];
|
|
}
|
|
|
|
// read content encoding
|
|
if (!empty($part[5]) && $part[5]!='NIL')
|
|
{
|
|
$struct->encoding = strtolower($part[5]);
|
|
$struct->headers['content-transfer-encoding'] = $struct->encoding;
|
|
}
|
|
|
|
// get part size
|
|
if (!empty($part[6]) && $part[6]!='NIL')
|
|
$struct->size = intval($part[6]);
|
|
|
|
// read part disposition
|
|
$di = count($part) - 2;
|
|
if ((is_array($part[$di]) && count($part[$di]) == 2 && is_array($part[$di][1])) ||
|
|
(is_array($part[--$di]) && count($part[$di]) == 2))
|
|
{
|
|
$struct->disposition = strtolower($part[$di][0]);
|
|
|
|
if (is_array($part[$di][1]))
|
|
for ($n=0; $n<count($part[$di][1]); $n+=2)
|
|
$struct->d_parameters[strtolower($part[$di][1][$n])] = $part[$di][1][$n+1];
|
|
}
|
|
|
|
// get child parts
|
|
if (is_array($part[8]) && $di != 8)
|
|
{
|
|
$struct->parts = array();
|
|
for ($i=0, $count=0; $i<count($part[8]); $i++)
|
|
if (is_array($part[8][$i]) && count($part[8][$i]) > 5)
|
|
$struct->parts[] = $this->_structure_part($part[8][$i], ++$count, $struct->mime_id);
|
|
}
|
|
|
|
// get part ID
|
|
if (!empty($part[3]) && $part[3]!='NIL')
|
|
{
|
|
$struct->content_id = $part[3];
|
|
$struct->headers['content-id'] = $part[3];
|
|
|
|
if (empty($struct->disposition))
|
|
$struct->disposition = 'inline';
|
|
}
|
|
|
|
// fetch message headers if message/rfc822
|
|
if ($struct->ctype_primary=='message')
|
|
{
|
|
$headers = iil_C_FetchPartBody($this->conn, $this->mailbox, $this->_msg_id, $struct->mime_id.'.HEADER');
|
|
$struct->headers = $this->_parse_headers($headers);
|
|
|
|
if (is_array($part[8]) && empty($struct->parts))
|
|
$struct->parts[] = $this->_structure_part($part[8], ++$count, $struct->mime_id);
|
|
}
|
|
|
|
// normalize filename property
|
|
if ($filename_mime = $struct->d_parameters['filename'] ? $struct->d_parameters['filename'] : $struct->ctype_parameters['name'])
|
|
$struct->filename = rcube_imap::decode_mime_string($filename_mime, $this->default_charset);
|
|
else if ($filename_encoded = $struct->d_parameters['filename*'] ? $struct->d_parameters['filename*'] : $struct->ctype_parameters['name*'])
|
|
{
|
|
// decode filename according to RFC 2231, Section 4
|
|
list($filename_charset,, $filename_urlencoded) = split('\'', $filename_encoded);
|
|
$struct->filename = rcube_charset_convert(urldecode($filename_urlencoded), $filename_charset);
|
|
}
|
|
else if (!empty($struct->headers['content-description']))
|
|
$struct->filename = rcube_imap::decode_mime_string($struct->headers['content-description'], $this->default_charset);
|
|
|
|
return $struct;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return a flat array with references to all parts, indexed by part numbers
|
|
*
|
|
* @param object rcube_message_part Message body structure
|
|
* @return Array with part number -> object pairs
|
|
*/
|
|
function get_mime_numbers(&$structure)
|
|
{
|
|
$a_parts = array();
|
|
$this->_get_part_numbers($structure, $a_parts);
|
|
return $a_parts;
|
|
}
|
|
|
|
|
|
/**
|
|
* Helper method for recursive calls
|
|
*
|
|
* @access private
|
|
*/
|
|
function _get_part_numbers(&$part, &$a_parts)
|
|
{
|
|
if ($part->mime_id)
|
|
$a_parts[$part->mime_id] = &$part;
|
|
|
|
if (is_array($part->parts))
|
|
for ($i=0; $i<count($part->parts); $i++)
|
|
$this->_get_part_numbers($part->parts[$i], $a_parts);
|
|
}
|
|
|
|
|
|
/**
|
|
* Fetch message body of a specific message from the server
|
|
*
|
|
* @param int Message UID
|
|
* @param string Part number
|
|
* @param object rcube_message_part Part object created by get_structure()
|
|
* @param mixed True to print part, ressource to write part contents in
|
|
* @return string Message/part body if not printed
|
|
*/
|
|
function &get_message_part($uid, $part=1, $o_part=NULL, $print=NULL)
|
|
{
|
|
if (!($msg_id = $this->_uid2id($uid)))
|
|
return FALSE;
|
|
|
|
// get part encoding if not provided
|
|
if (!is_object($o_part))
|
|
{
|
|
$structure_str = iil_C_FetchStructureString($this->conn, $this->mailbox, $msg_id);
|
|
$structure = iml_GetRawStructureArray($structure_str);
|
|
$part_type = iml_GetPartTypeCode($structure, $part);
|
|
$o_part = new rcube_message_part;
|
|
$o_part->ctype_primary = $part_type==0 ? 'text' : ($part_type==2 ? 'message' : 'other');
|
|
$o_part->encoding = strtolower(iml_GetPartEncodingString($structure, $part));
|
|
$o_part->charset = iml_GetPartCharset($structure, $part);
|
|
}
|
|
|
|
// TODO: Add caching for message parts
|
|
|
|
if ($print)
|
|
{
|
|
$mode = $o_part->encoding == 'base64' ? 3 : ($o_part->encoding == 'quoted-printable' ? 1 : 2);
|
|
$body = iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, $part, $mode);
|
|
|
|
// we have to decode the part manually before printing
|
|
if ($mode == 1)
|
|
{
|
|
echo $this->mime_decode($body, $o_part->encoding);
|
|
$body = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$body = iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, $part, 1);
|
|
|
|
// decode part body
|
|
if ($o_part->encoding)
|
|
$body = $this->mime_decode($body, $o_part->encoding);
|
|
|
|
// convert charset (if text or message part)
|
|
if ($o_part->ctype_primary=='text' || $o_part->ctype_primary=='message')
|
|
{
|
|
// assume default if no charset specified
|
|
if (empty($o_part->charset))
|
|
$o_part->charset = $this->default_charset;
|
|
|
|
$body = rcube_charset_convert($body, $o_part->charset);
|
|
}
|
|
}
|
|
|
|
return $body;
|
|
}
|
|
|
|
|
|
/**
|
|
* Fetch message body of a specific message from the server
|
|
*
|
|
* @param int Message UID
|
|
* @return string Message/part body
|
|
* @see rcube_imap::get_message_part()
|
|
*/
|
|
function &get_body($uid, $part=1)
|
|
{
|
|
return $this->get_message_part($uid, $part);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the whole message source as string
|
|
*
|
|
* @param int Message UID
|
|
* @return string Message source string
|
|
*/
|
|
function &get_raw_body($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 $body;
|
|
}
|
|
|
|
|
|
/**
|
|
* Sends the whole message source to stdout
|
|
*
|
|
* @param int Message UID
|
|
*/
|
|
function print_raw_body($uid)
|
|
{
|
|
if (!($msg_id = $this->_uid2id($uid)))
|
|
return FALSE;
|
|
|
|
print iil_C_FetchPartHeader($this->conn, $this->mailbox, $msg_id, NULL);
|
|
flush();
|
|
iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, NULL, 2);
|
|
}
|
|
|
|
|
|
/**
|
|
* Set message flag to one or several messages
|
|
*
|
|
* @param mixed Message UIDs as array or as comma-separated string
|
|
* @param string Flag to set: SEEN, UNDELETED, DELETED, RECENT, ANSWERED, DRAFT, MDNSENT
|
|
* @return boolean True on success, False on failure
|
|
*/
|
|
function set_flag($uids, $flag)
|
|
{
|
|
$flag = strtoupper($flag);
|
|
$msg_ids = array();
|
|
if (!is_array($uids))
|
|
$uids = explode(',',$uids);
|
|
|
|
foreach ($uids as $uid) {
|
|
$msg_ids[$uid] = $this->_uid2id($uid);
|
|
}
|
|
|
|
if ($flag=='UNDELETED')
|
|
$result = iil_C_Undelete($this->conn, $this->mailbox, join(',', array_values($msg_ids)));
|
|
else 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 $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Append a mail message (source) to a specific mailbox
|
|
*
|
|
* @param string Target mailbox
|
|
* @param string Message source
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
function save_message($mbox_name, &$message)
|
|
{
|
|
$mbox_name = stripslashes($mbox_name);
|
|
$mailbox = $this->_mod_mailbox($mbox_name);
|
|
|
|
// make sure 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 $saved;
|
|
}
|
|
|
|
|
|
/**
|
|
* Move a message from one mailbox to another
|
|
*
|
|
* @param string List of UIDs to move, separated by comma
|
|
* @param string Target mailbox
|
|
* @param string Source mailbox
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
function move_message($uids, $to_mbox, $from_mbox='')
|
|
{
|
|
$to_mbox = stripslashes($to_mbox);
|
|
$from_mbox = stripslashes($from_mbox);
|
|
$to_mbox = $this->_mod_mailbox($to_mbox);
|
|
$from_mbox = $from_mbox ? $this->_mod_mailbox($from_mbox) : $this->mailbox;
|
|
|
|
// make sure mailbox exists
|
|
if (!in_array($to_mbox, $this->_list_mailboxes()))
|
|
{
|
|
if (in_array($to_mbox, $this->default_folders))
|
|
$this->create_mailbox($to_mbox, TRUE);
|
|
else
|
|
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);
|
|
|
|
$iil_move = iil_C_Move($this->conn, join(',', $a_mids), $from_mbox, $to_mbox);
|
|
$moved = !($iil_move === false || $iil_move < 0);
|
|
|
|
// send expunge command in order to have the moved message
|
|
// really deleted from the source mailbox
|
|
if ($moved)
|
|
{
|
|
$this->_expunge($from_mbox, FALSE);
|
|
$this->_clear_messagecount($from_mbox);
|
|
$this->_clear_messagecount($to_mbox);
|
|
}
|
|
|
|
// remove message ids from search set
|
|
if ($moved && $this->search_set && $from_mbox == $this->mailbox)
|
|
$this->search_set = array_diff($this->search_set, $a_mids);
|
|
|
|
// 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 $uid)
|
|
{
|
|
if (($index = array_search($uid, $a_cache_index)) !== FALSE)
|
|
$start_index = min($index, $start_index);
|
|
}
|
|
|
|
// clear cache from the lowest index on
|
|
$this->clear_message_cache($cache_key, $start_index);
|
|
}
|
|
|
|
return $moved;
|
|
}
|
|
|
|
|
|
/**
|
|
* Mark messages as deleted and expunge mailbox
|
|
*
|
|
* @param string List of UIDs to move, separated by comma
|
|
* @param string Source mailbox
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
function delete_message($uids, $mbox_name='')
|
|
{
|
|
$mbox_name = stripslashes($mbox_name);
|
|
$mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $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 message ids from search set
|
|
if ($moved && $this->search_set && $mailbox == $this->mailbox)
|
|
$this->search_set = array_diff($this->search_set, $a_mids);
|
|
|
|
// 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 $uid)
|
|
{
|
|
if (($index = array_search($uid, $a_cache_index)) !== FALSE)
|
|
$start_index = min($index, $start_index);
|
|
}
|
|
|
|
// clear cache from the lowest index on
|
|
$this->clear_message_cache($cache_key, $start_index);
|
|
}
|
|
|
|
return $deleted;
|
|
}
|
|
|
|
|
|
/**
|
|
* Clear all messages in a specific mailbox
|
|
*
|
|
* @param string Mailbox name
|
|
* @return int Above 0 on success
|
|
*/
|
|
function clear_mailbox($mbox_name=NULL)
|
|
{
|
|
$mbox_name = stripslashes($mbox_name);
|
|
$mailbox = !empty($mbox_name) ? $this->_mod_mailbox($mbox_name) : $this->mailbox;
|
|
$msg_count = $this->_messagecount($mailbox, 'ALL');
|
|
|
|
if ($msg_count>0)
|
|
{
|
|
$cleared = iil_C_ClearFolder($this->conn, $mailbox);
|
|
|
|
// make sure the message count cache is cleared as well
|
|
if ($cleared)
|
|
{
|
|
$this->clear_message_cache($mailbox.'.msg');
|
|
$a_mailbox_cache = $this->get_cache('messagecount');
|
|
unset($a_mailbox_cache[$mailbox]);
|
|
$this->update_cache('messagecount', $a_mailbox_cache);
|
|
}
|
|
|
|
return $cleared;
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Send IMAP expunge command and clear cache
|
|
*
|
|
* @param string Mailbox name
|
|
* @param boolean False if cache should not be cleared
|
|
* @return boolean True on success
|
|
*/
|
|
function expunge($mbox_name='', $clear_cache=TRUE)
|
|
{
|
|
$mbox_name = stripslashes($mbox_name);
|
|
$mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox;
|
|
return $this->_expunge($mailbox, $clear_cache);
|
|
}
|
|
|
|
|
|
/**
|
|
* Send IMAP expunge command and clear cache
|
|
*
|
|
* @see rcube_imap::expunge()
|
|
* @access private
|
|
*/
|
|
function _expunge($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 $result;
|
|
}
|
|
|
|
|
|
/* --------------------------------
|
|
* folder managment
|
|
* --------------------------------*/
|
|
|
|
|
|
/**
|
|
* Get a list of all folders available on the IMAP server
|
|
*
|
|
* @param string IMAP root dir
|
|
* @return array Indexed array with folder names
|
|
*/
|
|
function list_unsubscribed($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)
|
|
{
|
|
$name = $this->_mod_mailbox($mbox_name, 'out');
|
|
if (strlen($name))
|
|
$a_folders[] = $name;
|
|
}
|
|
|
|
// filter folders and sort them
|
|
$sa_unsubscribed = $this->_sort_mailbox_list($a_folders);
|
|
return $sa_unsubscribed;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get mailbox quota information
|
|
* added by Nuny
|
|
*
|
|
* @return mixed Quota info or False if not supported
|
|
*/
|
|
function get_quota()
|
|
{
|
|
if ($this->get_capability('QUOTA'))
|
|
return iil_C_GetQuota($this->conn);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/**
|
|
* Subscribe to a specific mailbox(es)
|
|
*
|
|
* @param array Mailbox name(s)
|
|
* @return boolean True on success
|
|
*/
|
|
function subscribe($a_mboxes)
|
|
{
|
|
if (!is_array($a_mboxes))
|
|
$a_mboxes = array($a_mboxes);
|
|
|
|
// let this common function do the main work
|
|
return $this->_change_subscription($a_mboxes, 'subscribe');
|
|
}
|
|
|
|
|
|
/**
|
|
* Unsubscribe mailboxes
|
|
*
|
|
* @param array Mailbox name(s)
|
|
* @return boolean True on success
|
|
*/
|
|
function unsubscribe($a_mboxes)
|
|
{
|
|
if (!is_array($a_mboxes))
|
|
$a_mboxes = array($a_mboxes);
|
|
|
|
// 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
|
|
*
|
|
* @param string New mailbox name (as utf-7 string)
|
|
* @param boolean True if the new mailbox should be subscribed
|
|
* @param string Name of the created mailbox, false on error
|
|
*/
|
|
function create_mailbox($name, $subscribe=FALSE)
|
|
{
|
|
$result = FALSE;
|
|
|
|
// replace backslashes
|
|
$name = preg_replace('/[\\\]+/', '-', $name);
|
|
|
|
// reduce mailbox name to 100 chars
|
|
$name = substr($name, 0, 100);
|
|
|
|
$abs_name = $this->_mod_mailbox($name);
|
|
$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, $abs_name);
|
|
|
|
// try to subscribe it
|
|
if ($result && $subscribe)
|
|
$this->subscribe($name);
|
|
|
|
return $result ? $name : FALSE;
|
|
}
|
|
|
|
|
|
/**
|
|
* Set a new name to an existing mailbox
|
|
*
|
|
* @param string Mailbox to rename (as utf-7 string)
|
|
* @param string New mailbox name (as utf-7 string)
|
|
* @return string Name of the renames mailbox, False on error
|
|
*/
|
|
function rename_mailbox($mbox_name, $new_name)
|
|
{
|
|
$result = FALSE;
|
|
|
|
// replace backslashes
|
|
$name = preg_replace('/[\\\]+/', '-', $new_name);
|
|
|
|
// encode mailbox name and reduce it to 100 chars
|
|
$name = substr($new_name, 0, 100);
|
|
|
|
// make absolute path
|
|
$mailbox = $this->_mod_mailbox($mbox_name);
|
|
$abs_name = $this->_mod_mailbox($name);
|
|
|
|
// check if mailbox is subscribed
|
|
$a_subscribed = $this->_list_mailboxes();
|
|
$subscribed = in_array($mailbox, $a_subscribed);
|
|
|
|
// unsubscribe folder
|
|
if ($subscribed)
|
|
iil_C_UnSubscribe($this->conn, $mailbox);
|
|
|
|
if (strlen($abs_name))
|
|
$result = iil_C_RenameFolder($this->conn, $mailbox, $abs_name);
|
|
|
|
if ($result)
|
|
{
|
|
$delm = $this->get_hierarchy_delimiter();
|
|
|
|
// check if mailbox children are subscribed
|
|
foreach ($a_subscribed as $c_subscribed)
|
|
if (preg_match('/^'.preg_quote($mailbox.$delm, '/').'/', $c_subscribed))
|
|
{
|
|
iil_C_UnSubscribe($this->conn, $c_subscribed);
|
|
iil_C_Subscribe($this->conn, preg_replace('/^'.preg_quote($mailbox, '/').'/', $abs_name, $c_subscribed));
|
|
}
|
|
|
|
// clear cache
|
|
$this->clear_message_cache($mailbox.'.msg');
|
|
$this->clear_cache('mailboxes');
|
|
}
|
|
|
|
// try to subscribe it
|
|
if ($result && $subscribed)
|
|
iil_C_Subscribe($this->conn, $abs_name);
|
|
|
|
return $result ? $name : FALSE;
|
|
}
|
|
|
|
|
|
/**
|
|
* Remove mailboxes from server
|
|
*
|
|
* @param string Mailbox name
|
|
* @return boolean True on success
|
|
*/
|
|
function delete_mailbox($mbox_name)
|
|
{
|
|
$deleted = FALSE;
|
|
|
|
if (is_array($mbox_name))
|
|
$a_mboxes = $mbox_name;
|
|
else if (is_string($mbox_name) && strlen($mbox_name))
|
|
$a_mboxes = explode(',', $mbox_name);
|
|
|
|
$all_mboxes = iil_C_ListMailboxes($this->conn, $this->_mod_mailbox($root), '*');
|
|
|
|
if (is_array($a_mboxes))
|
|
foreach ($a_mboxes as $mbox_name)
|
|
{
|
|
$mailbox = $this->_mod_mailbox($mbox_name);
|
|
|
|
// 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)
|
|
$deleted = TRUE;
|
|
|
|
foreach ($all_mboxes as $c_mbox)
|
|
{
|
|
$regex = preg_quote($mailbox . $this->delimiter, '/');
|
|
$regex = '/^' . $regex . '/';
|
|
if (preg_match($regex, $c_mbox))
|
|
{
|
|
iil_C_UnSubscribe($this->conn, $c_mbox);
|
|
$result = iil_C_DeleteFolder($this->conn, $c_mbox);
|
|
if ($result>=0)
|
|
$deleted = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
// clear mailboxlist cache
|
|
if ($deleted)
|
|
{
|
|
$this->clear_message_cache($mailbox.'.msg');
|
|
$this->clear_cache('mailboxes');
|
|
}
|
|
|
|
return $deleted;
|
|
}
|
|
|
|
|
|
/**
|
|
* Create all folders specified as default
|
|
*/
|
|
function create_default_folders()
|
|
{
|
|
$a_folders = iil_C_ListMailboxes($this->conn, $this->_mod_mailbox(''), '*');
|
|
$a_subscribed = iil_C_ListSubscribed($this->conn, $this->_mod_mailbox(''), '*');
|
|
|
|
// create default folders if they do not exist
|
|
foreach ($this->default_folders as $folder)
|
|
{
|
|
$abs_name = $this->_mod_mailbox($folder);
|
|
if (!in_array_nocase($abs_name, $a_folders))
|
|
$this->create_mailbox($folder, TRUE);
|
|
else if (!in_array_nocase($abs_name, $a_subscribed))
|
|
$this->subscribe($folder);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/* --------------------------------
|
|
* internal caching methods
|
|
* --------------------------------*/
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function set_caching($set)
|
|
{
|
|
if ($set && is_object($this->db))
|
|
$this->caching_enabled = TRUE;
|
|
else
|
|
$this->caching_enabled = FALSE;
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function get_cache($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];
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function update_cache($key, $data)
|
|
{
|
|
$this->cache[$key] = $data;
|
|
$this->cache_changed = TRUE;
|
|
$this->cache_changes[$key] = TRUE;
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
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($data));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function clear_cache($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]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
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 $cache_data;
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function _write_cache_record($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])
|
|
{
|
|
$this->db->query(
|
|
"UPDATE ".get_table_name('cache')."
|
|
SET created=".$this->db->now().",
|
|
data=?
|
|
WHERE user_id=?
|
|
AND cache_key=?",
|
|
$data,
|
|
$_SESSION['user_id'],
|
|
$key);
|
|
}
|
|
// add new cache record
|
|
else
|
|
{
|
|
$this->db->query(
|
|
"INSERT INTO ".get_table_name('cache')."
|
|
(created, user_id, cache_key, data)
|
|
VALUES (".$this->db->now().", ?, ?, ?)",
|
|
$_SESSION['user_id'],
|
|
$key,
|
|
$data);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function _clear_cache_record($key)
|
|
{
|
|
$this->db->query(
|
|
"DELETE FROM ".get_table_name('cache')."
|
|
WHERE user_id=?
|
|
AND cache_key=?",
|
|
$_SESSION['user_id'],
|
|
$key);
|
|
}
|
|
|
|
|
|
|
|
/* --------------------------------
|
|
* message caching methods
|
|
* --------------------------------*/
|
|
|
|
|
|
/**
|
|
* Checks if the cache is up-to-date
|
|
*
|
|
* @param string Mailbox name
|
|
* @param string Internal cache key
|
|
* @return int -3 = off, -2 = incomplete, -1 = dirty
|
|
*/
|
|
function check_cache_status($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 highest message matches -> cache seems OK
|
|
if ($cache_uid == $header->uid)
|
|
return 1;
|
|
|
|
// cache is dirty
|
|
return -1;
|
|
}
|
|
// if cache count differs less than 10% report as dirty
|
|
else if (abs($msg_count - $cache_count) < $msg_count/10)
|
|
return -1;
|
|
else
|
|
return -2;
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function get_message_cache($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']);
|
|
|
|
// featch headers if unserialize failed
|
|
if (empty($this->cache[$cache_key][$uid]))
|
|
$this->cache[$cache_key][$uid] = iil_C_FetchHeader($this->conn, preg_replace('/.msg$/', '', $key), $uid, true);
|
|
}
|
|
}
|
|
|
|
return $this->cache[$cache_key];
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function &get_cached_message($key, $uid, $struct=false)
|
|
{
|
|
$internal_key = '__single_msg';
|
|
|
|
if ($this->caching_enabled && (!isset($this->cache[$internal_key][$uid]) ||
|
|
($struct && empty($this->cache[$internal_key][$uid]->structure))))
|
|
{
|
|
$sql_select = "idx, uid, headers" . ($struct ? ", structure" : '');
|
|
$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))
|
|
{
|
|
$this->cache[$internal_key][$uid] = unserialize($sql_arr['headers']);
|
|
if (is_object($this->cache[$internal_key][$uid]) && !empty($sql_arr['structure']))
|
|
$this->cache[$internal_key][$uid]->structure = unserialize($sql_arr['structure']);
|
|
}
|
|
}
|
|
|
|
return $this->cache[$internal_key][$uid];
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function get_message_cache_index($key, $force=FALSE, $sort_col='idx', $sort_order='ASC')
|
|
{
|
|
static $sa_message_index = array();
|
|
|
|
// empty key -> empty array
|
|
if (!$this->caching_enabled || empty($key))
|
|
return array();
|
|
|
|
if (!empty($sa_message_index[$key]) && !$force)
|
|
return $sa_message_index[$key];
|
|
|
|
$sa_message_index[$key] = array();
|
|
$sql_result = $this->db->query(
|
|
"SELECT idx, uid
|
|
FROM ".get_table_name('messages')."
|
|
WHERE user_id=?
|
|
AND cache_key=?
|
|
ORDER BY ".$this->db->quote_identifier($sort_col)." ".$sort_order,
|
|
$_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];
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function add_message_cache($key, $index, $headers, $struct=null)
|
|
{
|
|
if (empty($key) || !is_object($headers) || empty($headers->uid))
|
|
return;
|
|
|
|
// add to internal (fast) cache
|
|
$this->cache['__single_msg'][$headers->uid] = $headers;
|
|
$this->cache['__single_msg'][$headers->uid]->structure = $struct;
|
|
|
|
// no further caching
|
|
if (!$this->caching_enabled)
|
|
return;
|
|
|
|
// check for an existing record (probly headers are cached but structure not)
|
|
$sql_result = $this->db->query(
|
|
"SELECT message_id
|
|
FROM ".get_table_name('messages')."
|
|
WHERE user_id=?
|
|
AND cache_key=?
|
|
AND uid=?
|
|
AND del<>1",
|
|
$_SESSION['user_id'],
|
|
$key,
|
|
$headers->uid);
|
|
|
|
// update cache record
|
|
if ($sql_arr = $this->db->fetch_assoc($sql_result))
|
|
{
|
|
$this->db->query(
|
|
"UPDATE ".get_table_name('messages')."
|
|
SET idx=?, headers=?, structure=?
|
|
WHERE message_id=?",
|
|
$index,
|
|
serialize($headers),
|
|
is_object($struct) ? serialize($struct) : NULL,
|
|
$sql_arr['message_id']
|
|
);
|
|
}
|
|
else // insert new record
|
|
{
|
|
$this->db->query(
|
|
"INSERT INTO ".get_table_name('messages')."
|
|
(user_id, del, cache_key, created, idx, uid, subject, ".$this->db->quoteIdentifier('from').", ".$this->db->quoteIdentifier('to').", cc, date, size, headers, structure)
|
|
VALUES (?, 0, ?, ".$this->db->now().", ?, ?, ?, ?, ?, ?, ".$this->db->fromunixtime($headers->timestamp).", ?, ?, ?)",
|
|
$_SESSION['user_id'],
|
|
$key,
|
|
$index,
|
|
$headers->uid,
|
|
(string)substr($this->decode_header($headers->subject, TRUE), 0, 128),
|
|
(string)substr($this->decode_header($headers->from, TRUE), 0, 128),
|
|
(string)substr($this->decode_header($headers->to, TRUE), 0, 128),
|
|
(string)substr($this->decode_header($headers->cc, TRUE), 0, 128),
|
|
(int)$headers->size,
|
|
serialize($headers),
|
|
is_object($struct) ? serialize($struct) : NULL
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function remove_message_cache($key, $index)
|
|
{
|
|
if (!$this->caching_enabled)
|
|
return;
|
|
|
|
$this->db->query(
|
|
"DELETE FROM ".get_table_name('messages')."
|
|
WHERE user_id=?
|
|
AND cache_key=?
|
|
AND idx=?",
|
|
$_SESSION['user_id'],
|
|
$key,
|
|
$index);
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function clear_message_cache($key, $start_index=1)
|
|
{
|
|
if (!$this->caching_enabled)
|
|
return;
|
|
|
|
$this->db->query(
|
|
"DELETE FROM ".get_table_name('messages')."
|
|
WHERE user_id=?
|
|
AND cache_key=?
|
|
AND idx>=?",
|
|
$_SESSION['user_id'],
|
|
$key,
|
|
$start_index);
|
|
}
|
|
|
|
|
|
|
|
|
|
/* --------------------------------
|
|
* encoding/decoding methods
|
|
* --------------------------------*/
|
|
|
|
/**
|
|
* Split an address list into a structured array list
|
|
*
|
|
* @param string Input string
|
|
* @param int List only this number of addresses
|
|
* @param boolean Decode address strings
|
|
* @return array Indexed list of addresses
|
|
*/
|
|
function decode_address_list($input, $max=null, $decode=true)
|
|
{
|
|
$a = $this->_parse_address_list($input, $decode);
|
|
$out = array();
|
|
// Special chars as defined by RFC 822 need to in quoted string (or escaped).
|
|
$special_chars = '[\(\)\<\>\\\.\[\]@,;:"]';
|
|
|
|
if (!is_array($a))
|
|
return $out;
|
|
|
|
$c = count($a);
|
|
$j = 0;
|
|
|
|
foreach ($a as $val)
|
|
{
|
|
$j++;
|
|
$address = $val['address'];
|
|
$name = preg_replace(array('/^[\'"]/', '/[\'"]$/'), '', trim($val['name']));
|
|
if ($name && $address && $name != $address)
|
|
$string = sprintf('%s <%s>', preg_match("/$special_chars/", $name) ? '"'.addcslashes($name, '"').'"' : $name, $address);
|
|
else if ($address)
|
|
$string = $address;
|
|
else if ($name)
|
|
$string = $name;
|
|
|
|
$out[$j] = array('name' => $name,
|
|
'mailto' => $address,
|
|
'string' => $string);
|
|
|
|
if ($max && $j==$max)
|
|
break;
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Decode a message header value
|
|
*
|
|
* @param string Header value
|
|
* @param boolean Remove quotes if necessary
|
|
* @return string Decoded string
|
|
*/
|
|
function decode_header($input, $remove_quotes=FALSE)
|
|
{
|
|
$str = rcube_imap::decode_mime_string((string)$input, $this->default_charset);
|
|
if ($str{0}=='"' && $remove_quotes)
|
|
$str = str_replace('"', '', $str);
|
|
|
|
return $str;
|
|
}
|
|
|
|
|
|
/**
|
|
* Decode a mime-encoded string to internal charset
|
|
*
|
|
* @param string Header value
|
|
* @param string Fallback charset if none specified
|
|
* @return string Decoded string
|
|
* @static
|
|
*/
|
|
function decode_mime_string($input, $fallback=null)
|
|
{
|
|
$out = '';
|
|
|
|
$pos = strpos($input, '=?');
|
|
if ($pos !== false)
|
|
{
|
|
// rfc: all line breaks or other characters not found in the Base64 Alphabet must be ignored by decoding software
|
|
// delete all blanks between MIME-lines, differently we can receive unnecessary blanks and broken utf-8 symbols
|
|
$input = preg_replace("/\?=\s+=\?/", '?==?', $input);
|
|
|
|
$out = substr($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, $fallback);
|
|
|
|
return $out;
|
|
}
|
|
|
|
// no encoding information, use fallback
|
|
return rcube_charset_convert($input, !empty($fallback) ? $fallback : 'ISO-8859-1');
|
|
}
|
|
|
|
|
|
/**
|
|
* Decode a part of a mime-encoded string
|
|
*
|
|
* @access private
|
|
*/
|
|
function _decode_mime_string_part($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 rcube_charset_convert($rest, $a[0]);
|
|
}
|
|
else
|
|
return $str; // we dont' know what to do with this
|
|
}
|
|
|
|
|
|
/**
|
|
* Decode a mime part
|
|
*
|
|
* @param string Input string
|
|
* @param string Part encoding
|
|
* @return string Decoded string
|
|
* @access private
|
|
*/
|
|
function mime_decode($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 $input;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Convert body charset to UTF-8 according to the ctype_parameters
|
|
*
|
|
* @param string Part body to decode
|
|
* @param string Charset to convert from
|
|
* @return string Content converted to internal charset
|
|
*/
|
|
function charset_decode($body, $ctype_param)
|
|
{
|
|
if (is_array($ctype_param) && !empty($ctype_param['charset']))
|
|
return rcube_charset_convert($body, $ctype_param['charset']);
|
|
|
|
// defaults to what is specified in the class header
|
|
return rcube_charset_convert($body, $this->default_charset);
|
|
}
|
|
|
|
|
|
/**
|
|
* Translate UID to message ID
|
|
*
|
|
* @param int Message UID
|
|
* @param string Mailbox name
|
|
* @return int Message ID
|
|
*/
|
|
function get_id($uid, $mbox_name=NULL)
|
|
{
|
|
$mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox;
|
|
return $this->_uid2id($uid, $mailbox);
|
|
}
|
|
|
|
|
|
/**
|
|
* Translate message number to UID
|
|
*
|
|
* @param int Message ID
|
|
* @param string Mailbox name
|
|
* @return int Message UID
|
|
*/
|
|
function get_uid($id,$mbox_name=NULL)
|
|
{
|
|
$mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox;
|
|
return $this->_id2uid($id, $mailbox);
|
|
}
|
|
|
|
|
|
|
|
/* --------------------------------
|
|
* private methods
|
|
* --------------------------------*/
|
|
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function _mod_mailbox($mbox_name, $mode='in')
|
|
{
|
|
if ((!empty($this->root_ns) && $this->root_ns == $mbox_name) || $mbox_name == 'INBOX')
|
|
return $mbox_name;
|
|
|
|
if (!empty($this->root_dir) && $mode=='in')
|
|
$mbox_name = $this->root_dir.$this->delimiter.$mbox_name;
|
|
else if (strlen($this->root_dir) && $mode=='out')
|
|
$mbox_name = substr($mbox_name, strlen($this->root_dir)+1);
|
|
|
|
return $mbox_name;
|
|
}
|
|
|
|
/**
|
|
* Validate the given input and save to local properties
|
|
* @access private
|
|
*/
|
|
function _set_sort_order($sort_field, $sort_order)
|
|
{
|
|
if ($sort_field != null)
|
|
$this->sort_field = asciiwords($sort_field);
|
|
if ($sort_order != null)
|
|
$this->sort_order = strtoupper($sort_order) == 'DESC' ? 'DESC' : 'ASC';
|
|
}
|
|
|
|
/**
|
|
* Sort mailboxes first by default folders and then in alphabethical order
|
|
* @access private
|
|
*/
|
|
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), $this->default_folders_lc)) !== false && !$a_defaults[$p])
|
|
$a_defaults[$p] = $folder;
|
|
else
|
|
$a_out[] = $folder;
|
|
}
|
|
|
|
natcasesort($a_out);
|
|
ksort($a_defaults);
|
|
|
|
return array_merge($a_defaults, $a_out);
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function _uid2id($uid, $mbox_name=NULL)
|
|
{
|
|
if (!$mbox_name)
|
|
$mbox_name = $this->mailbox;
|
|
|
|
if (!isset($this->uid_id_map[$mbox_name][$uid]))
|
|
$this->uid_id_map[$mbox_name][$uid] = iil_C_UID2ID($this->conn, $mbox_name, $uid);
|
|
|
|
return $this->uid_id_map[$mbox_name][$uid];
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function _id2uid($id, $mbox_name=NULL)
|
|
{
|
|
if (!$mbox_name)
|
|
$mbox_name = $this->mailbox;
|
|
|
|
$index = array_flip((array)$this->uid_id_map[$mbox_name]);
|
|
if (isset($index[$id]))
|
|
$uid = $index[$id];
|
|
else
|
|
{
|
|
$uid = iil_C_ID2UID($this->conn, $mbox_name, $id);
|
|
$this->uid_id_map[$mbox_name][$uid] = $id;
|
|
}
|
|
|
|
return $uid;
|
|
}
|
|
|
|
|
|
/**
|
|
* Parse string or array of server capabilities and put them in internal array
|
|
* @access private
|
|
*/
|
|
function _parse_capability($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
|
|
* @access private
|
|
*/
|
|
function _change_subscription($a_mboxes, $mode)
|
|
{
|
|
$updated = FALSE;
|
|
|
|
if (is_array($a_mboxes))
|
|
foreach ($a_mboxes as $i => $mbox_name)
|
|
{
|
|
$mailbox = $this->_mod_mailbox($mbox_name);
|
|
$a_mboxes[$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 $updated;
|
|
}
|
|
|
|
|
|
/**
|
|
* Increde/decrese messagecount for a specific mailbox
|
|
* @access private
|
|
*/
|
|
function _set_messagecount($mbox_name, $mode, $increment)
|
|
{
|
|
$a_mailbox_cache = FALSE;
|
|
$mailbox = $mbox_name ? $mbox_name : $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', $a_mailbox_cache);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**
|
|
* Remove messagecount of a specific mailbox from cache
|
|
* @access private
|
|
*/
|
|
function _clear_messagecount($mbox_name='')
|
|
{
|
|
$a_mailbox_cache = FALSE;
|
|
$mailbox = $mbox_name ? $mbox_name : $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', $a_mailbox_cache);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Split RFC822 header string into an associative array
|
|
* @access private
|
|
*/
|
|
function _parse_headers($headers)
|
|
{
|
|
$a_headers = array();
|
|
$lines = explode("\n", $headers);
|
|
$c = count($lines);
|
|
for ($i=0; $i<$c; $i++)
|
|
{
|
|
if ($p = strpos($lines[$i], ': '))
|
|
{
|
|
$field = strtolower(substr($lines[$i], 0, $p));
|
|
$value = trim(substr($lines[$i], $p+1));
|
|
if (!empty($value))
|
|
$a_headers[$field] = $value;
|
|
}
|
|
}
|
|
|
|
return $a_headers;
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function _parse_address_list($str, $decode=true)
|
|
{
|
|
// remove any newlines and carriage returns before
|
|
$a = $this->_explode_quoted_string('[,;]', preg_replace( "/[\r\n]/", " ", $str));
|
|
$result = array();
|
|
|
|
foreach ($a as $key => $val)
|
|
{
|
|
$val = preg_replace("/([\"\w])</", "$1 <", $val);
|
|
$sub_a = $this->_explode_quoted_string(' ', $decode ? $this->decode_header($val) : $val);
|
|
$result[$key]['name'] = '';
|
|
|
|
foreach ($sub_a as $k => $v)
|
|
{
|
|
if (strpos($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'];
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function _explode_quoted_string($delimiter, $string)
|
|
{
|
|
$result = array();
|
|
$strlen = strlen($string);
|
|
for ($q=$p=$i=0; $i < $strlen; $i++)
|
|
{
|
|
if ($string{$i} == "\"" && $string{$i-1} != "\\")
|
|
$q = $q ? false : true;
|
|
else if (!$q && preg_match("/$delimiter/", $string{$i}))
|
|
{
|
|
$result[] = substr($string, $p, $i - $p);
|
|
$p = $i + 1;
|
|
}
|
|
}
|
|
|
|
$result[] = substr($string, $p);
|
|
return $result;
|
|
}
|
|
|
|
} // end class rcube_imap
|
|
|
|
|
|
/**
|
|
* Class representing a message part
|
|
*
|
|
* @package Mail
|
|
*/
|
|
class rcube_message_part
|
|
{
|
|
var $mime_id = '';
|
|
var $ctype_primary = 'text';
|
|
var $ctype_secondary = 'plain';
|
|
var $mimetype = 'text/plain';
|
|
var $disposition = '';
|
|
var $filename = '';
|
|
var $encoding = '8bit';
|
|
var $charset = '';
|
|
var $size = 0;
|
|
var $headers = array();
|
|
var $d_parameters = array();
|
|
var $ctype_parameters = array();
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* Class for sorting an array of iilBasicHeader objects in a predetermined order.
|
|
*
|
|
* @package Mail
|
|
* @author Eric Stadtherr
|
|
*/
|
|
class rcube_header_sorter
|
|
{
|
|
var $sequence_numbers = array();
|
|
|
|
/**
|
|
* Set the predetermined sort order.
|
|
*
|
|
* @param array Numerically indexed array of IMAP message sequence numbers
|
|
*/
|
|
function set_sequence_numbers($seqnums)
|
|
{
|
|
$this->sequence_numbers = $seqnums;
|
|
}
|
|
|
|
/**
|
|
* Sort the array of header objects
|
|
*
|
|
* @param array Array of iilBasicHeader objects indexed by UID
|
|
*/
|
|
function sort_headers(&$headers)
|
|
{
|
|
/*
|
|
* uksort would work if the keys were the sequence number, but unfortunately
|
|
* the keys are the UIDs. We'll use uasort instead and dereference the value
|
|
* to get the sequence number (in the "id" field).
|
|
*
|
|
* uksort($headers, array($this, "compare_seqnums"));
|
|
*/
|
|
uasort($headers, array($this, "compare_seqnums"));
|
|
}
|
|
|
|
/**
|
|
* Get the position of a message sequence number in my sequence_numbers array
|
|
*
|
|
* @param int Message sequence number contained in sequence_numbers
|
|
* @return int Position, -1 if not found
|
|
*/
|
|
function position_of($seqnum)
|
|
{
|
|
$c = count($this->sequence_numbers);
|
|
for ($pos = 0; $pos <= $c; $pos++)
|
|
{
|
|
if ($this->sequence_numbers[$pos] == $seqnum)
|
|
return $pos;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Sort method called by uasort()
|
|
*/
|
|
function compare_seqnums($a, $b)
|
|
{
|
|
// First get the sequence number from the header object (the 'id' field).
|
|
$seqa = $a->id;
|
|
$seqb = $b->id;
|
|
|
|
// then find each sequence number in my ordered list
|
|
$posa = $this->position_of($seqa);
|
|
$posb = $this->position_of($seqb);
|
|
|
|
// return the relative position as the comparison value
|
|
$ret = $posa - $posb;
|
|
return $ret;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Add quoted-printable encoding to a given string
|
|
*
|
|
* @param string String to encode
|
|
* @param int Add new line after this number of characters
|
|
* @param boolean True if spaces should be converted into =20
|
|
* @return string Encoded string
|
|
*/
|
|
function quoted_printable_encode($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);
|
|
}
|
|
|
|
|