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4617 lines
145 KiB
PHP
4617 lines
145 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| program/include/rcube_imap.php |
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| |
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| This file is part of the Roundcube Webmail client |
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| Copyright (C) 2005-2011, The Roundcube Dev Team |
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| Copyright (C) 2011, Kolab Systems AG |
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| Licensed under the GNU GPL |
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| PURPOSE: |
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| IMAP Engine |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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| Author: Aleksander Machniak <alec@alec.pl> |
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+-----------------------------------------------------------------------+
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$Id$
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*/
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/**
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* Interface class for accessing an IMAP server
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*
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* @package Mail
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* @author Thomas Bruederli <roundcube@gmail.com>
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* @author Aleksander Machniak <alec@alec.pl>
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* @version 2.0
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*/
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class rcube_imap
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{
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public $debug_level = 1;
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public $skip_deleted = false;
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public $page_size = 10;
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public $list_page = 1;
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public $threading = false;
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public $fetch_add_headers = '';
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public $get_all_headers = false;
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/**
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* Instance of rcube_imap_generic
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*
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* @var rcube_imap_generic
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*/
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public $conn;
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/**
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* Instance of rcube_imap_cache
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*
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* @var rcube_imap_cache
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*/
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private $mcache;
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/**
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* Instance of rcube_cache
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*
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* @var rcube_cache
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*/
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private $cache;
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/**
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* Internal (in-memory) cache
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*
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* @var array
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*/
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private $icache = array();
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private $mailbox = 'INBOX';
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private $delimiter = NULL;
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private $namespace = NULL;
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private $sort_field = '';
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private $sort_order = 'DESC';
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private $default_charset = 'ISO-8859-1';
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private $struct_charset = NULL;
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private $default_folders = array('INBOX');
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private $uid_id_map = array();
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private $msg_headers = array();
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public $search_set = NULL;
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public $search_string = '';
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private $search_charset = '';
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private $search_sort_field = '';
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private $search_threads = false;
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private $search_sorted = false;
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private $options = array('auth_method' => 'check');
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private $host, $user, $pass, $port, $ssl;
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private $caching = false;
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private $messages_caching = false;
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/**
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* All (additional) headers used (in any way) by Roundcube
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* Not listed here: DATE, FROM, TO, CC, REPLY-TO, SUBJECT, CONTENT-TYPE, LIST-POST
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* (used for messages listing) are hardcoded in rcube_imap_generic::fetchHeaders()
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*
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* @var array
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* @see rcube_imap::fetch_add_headers
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*/
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private $all_headers = array(
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'IN-REPLY-TO',
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'BCC',
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'MESSAGE-ID',
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'CONTENT-TRANSFER-ENCODING',
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'REFERENCES',
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'X-DRAFT-INFO',
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'MAIL-FOLLOWUP-TO',
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'MAIL-REPLY-TO',
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'RETURN-PATH',
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);
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const UNKNOWN = 0;
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const NOPERM = 1;
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const READONLY = 2;
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const TRYCREATE = 3;
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const INUSE = 4;
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const OVERQUOTA = 5;
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const ALREADYEXISTS = 6;
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const NONEXISTENT = 7;
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const CONTACTADMIN = 8;
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/**
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* Object constructor.
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*/
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function __construct()
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{
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$this->conn = new rcube_imap_generic();
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// Set namespace and delimiter from session,
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// so some methods would work before connection
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if (isset($_SESSION['imap_namespace']))
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$this->namespace = $_SESSION['imap_namespace'];
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if (isset($_SESSION['imap_delimiter']))
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$this->delimiter = $_SESSION['imap_delimiter'];
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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 Host to connect
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* @param string $user Username for IMAP account
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* @param string $pass Password for IMAP account
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* @param integer $port Port to connect to
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* @param string $use_ssl SSL schema (either ssl or tls) or null if plain connection
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* @return boolean TRUE on success, FALSE on failure
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* @access public
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*/
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function connect($host, $user, $pass, $port=143, $use_ssl=null)
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{
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// check for OpenSSL support in PHP build
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if ($use_ssl && extension_loaded('openssl'))
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$this->options['ssl_mode'] = $use_ssl == 'imaps' ? 'ssl' : $use_ssl;
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else if ($use_ssl) {
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raise_error(array('code' => 403, 'type' => 'imap',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => "OpenSSL not available"), true, false);
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$port = 143;
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}
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$this->options['port'] = $port;
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if ($this->options['debug']) {
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$this->conn->setDebug(true, array($this, 'debug_handler'));
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$this->options['ident'] = array(
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'name' => 'Roundcube Webmail',
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'version' => RCMAIL_VERSION,
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'php' => PHP_VERSION,
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'os' => PHP_OS,
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'command' => $_SERVER['REQUEST_URI'],
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);
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}
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$attempt = 0;
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do {
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$data = rcmail::get_instance()->plugins->exec_hook('imap_connect',
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array_merge($this->options, array('host' => $host, 'user' => $user,
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'attempt' => ++$attempt)));
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if (!empty($data['pass']))
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$pass = $data['pass'];
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$this->conn->connect($data['host'], $data['user'], $pass, $data);
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} while(!$this->conn->connected() && $data['retry']);
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$this->host = $data['host'];
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$this->user = $data['user'];
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$this->pass = $pass;
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$this->port = $port;
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$this->ssl = $use_ssl;
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if ($this->conn->connected()) {
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// get namespace and delimiter
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$this->set_env();
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return true;
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}
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// write error log
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else if ($this->conn->error) {
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if ($pass && $user) {
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$message = sprintf("Login failed for %s from %s. %s",
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$user, rcmail_remote_ip(), $this->conn->error);
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raise_error(array('code' => 403, 'type' => 'imap',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => $message), true, false);
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}
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}
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return false;
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}
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/**
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* Close IMAP connection
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* Usually done on script shutdown
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*
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* @access public
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*/
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function close()
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{
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$this->conn->closeConnection();
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if ($this->mcache)
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$this->mcache->close();
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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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$this->conn->closeConnection();
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$connected = $this->connect($this->host, $this->user, $this->pass, $this->port, $this->ssl);
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// issue SELECT command to restore connection status
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if ($connected && strlen($this->mailbox))
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$this->conn->select($this->mailbox);
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}
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/**
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* Returns code of last error
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*
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* @return int Error code
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*/
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function get_error_code()
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{
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return $this->conn->errornum;
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}
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/**
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* Returns message of last error
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*
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* @return string Error message
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*/
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function get_error_str()
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{
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return $this->conn->error;
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}
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/**
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* Returns code of last command response
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*
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* @return int Response code
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*/
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function get_response_code()
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{
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switch ($this->conn->resultcode) {
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case 'NOPERM':
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return self::NOPERM;
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case 'READ-ONLY':
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return self::READONLY;
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case 'TRYCREATE':
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return self::TRYCREATE;
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case 'INUSE':
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return self::INUSE;
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case 'OVERQUOTA':
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return self::OVERQUOTA;
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case 'ALREADYEXISTS':
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return self::ALREADYEXISTS;
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case 'NONEXISTENT':
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return self::NONEXISTENT;
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case 'CONTACTADMIN':
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return self::CONTACTADMIN;
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default:
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return self::UNKNOWN;
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}
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}
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/**
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* Returns last command response
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*
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* @return string Response
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*/
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function get_response_str()
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{
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return $this->conn->result;
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}
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/**
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* Set options to be used in rcube_imap_generic::connect()
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*
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* @param array $opt Options array
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*/
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function set_options($opt)
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{
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$this->options = array_merge($this->options, (array)$opt);
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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 $cs Charset string
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* @access public
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*/
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function set_charset($cs)
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{
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$this->default_charset = $cs;
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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 $arr Indexed list of folder names
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* @access public
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*/
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function set_default_mailboxes($arr)
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{
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if (is_array($arr)) {
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$this->default_folders = $arr;
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// add inbox if not included
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if (!in_array('INBOX', $this->default_folders))
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array_unshift($this->default_folders, 'INBOX');
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}
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}
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/**
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* Set internal mailbox reference.
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*
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* All operations will be perfomed on this mailbox/folder
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*
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* @param string $mailbox Mailbox/Folder name
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* @access public
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*/
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function set_mailbox($mailbox)
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{
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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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* Forces selection of a mailbox
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*
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* @param string $mailbox Mailbox/Folder name
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* @access public
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*/
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function select_mailbox($mailbox=null)
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{
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if (!strlen($mailbox)) {
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$mailbox = $this->mailbox;
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}
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$selected = $this->conn->select($mailbox);
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if ($selected && $this->mailbox != $mailbox) {
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// clear messagecount cache for this mailbox
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$this->_clear_messagecount($mailbox);
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$this->mailbox = $mailbox;
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}
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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 $page Page number to list
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* @access public
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*/
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function set_page($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 $size Number of messages to display on one page
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* @access public
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*/
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function set_pagesize($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 string IMAP Search query
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* @param array List of message ids or NULL if empty
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* @param string Charset of search string
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* @param string Sorting field
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* @param string True if set is sorted (SORT was used for searching)
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*/
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function set_search_set($str=null, $msgs=null, $charset=null, $sort_field=null, $threads=false, $sorted=false)
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{
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if (is_array($str) && $msgs == null)
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list($str, $msgs, $charset, $sort_field, $threads, $sorted) = $str;
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if ($msgs === false)
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$msgs = array();
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else if ($msgs != null && !is_array($msgs))
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$msgs = explode(',', $msgs);
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$this->search_string = $str;
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$this->search_set = $msgs;
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$this->search_charset = $charset;
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$this->search_sort_field = $sort_field;
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$this->search_threads = $threads;
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$this->search_sorted = $sorted;
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}
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|
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/**
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* Return the saved search set as hash array
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* @return array Search set
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*/
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function get_search_set()
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{
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return array($this->search_string,
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$this->search_set,
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$this->search_charset,
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$this->search_sort_field,
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$this->search_threads,
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$this->search_sorted,
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);
|
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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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function get_mailbox_name()
|
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{
|
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return $this->conn->connected() ? $this->mailbox : '';
|
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}
|
|
|
|
|
|
/**
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|
* Returns the IMAP server's capability
|
|
*
|
|
* @param string $cap Capability name
|
|
* @return mixed Capability value or TRUE if supported, FALSE if not
|
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* @access public
|
|
*/
|
|
function get_capability($cap)
|
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{
|
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return $this->conn->getCapability(strtoupper($cap));
|
|
}
|
|
|
|
|
|
/**
|
|
* Sets threading flag to the best supported THREAD algorithm
|
|
*
|
|
* @param boolean $enable TRUE to enable and FALSE
|
|
* @return string Algorithm or false if THREAD is not supported
|
|
* @access public
|
|
*/
|
|
function set_threading($enable=false)
|
|
{
|
|
$this->threading = false;
|
|
|
|
if ($enable && ($caps = $this->get_capability('THREAD'))) {
|
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if (in_array('REFS', $caps))
|
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$this->threading = 'REFS';
|
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else if (in_array('REFERENCES', $caps))
|
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$this->threading = 'REFERENCES';
|
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else if (in_array('ORDEREDSUBJECT', $caps))
|
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$this->threading = 'ORDEREDSUBJECT';
|
|
}
|
|
|
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return $this->threading;
|
|
}
|
|
|
|
|
|
/**
|
|
* Checks the PERMANENTFLAGS capability of the current mailbox
|
|
* and returns true if the given flag is supported by the IMAP server
|
|
*
|
|
* @param string $flag Permanentflag name
|
|
* @return boolean True if this flag is supported
|
|
* @access public
|
|
*/
|
|
function check_permflag($flag)
|
|
{
|
|
$flag = strtoupper($flag);
|
|
$imap_flag = $this->conn->flags[$flag];
|
|
return (in_array_nocase($imap_flag, $this->conn->data['PERMANENTFLAGS']));
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the delimiter that is used by the IMAP server for folder separation
|
|
*
|
|
* @return string Delimiter string
|
|
* @access public
|
|
*/
|
|
function get_hierarchy_delimiter()
|
|
{
|
|
return $this->delimiter;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get namespace
|
|
*
|
|
* @param string $name Namespace array index: personal, other, shared, prefix
|
|
*
|
|
* @return array Namespace data
|
|
* @access public
|
|
*/
|
|
function get_namespace($name=null)
|
|
{
|
|
$ns = $this->namespace;
|
|
|
|
if ($name) {
|
|
return isset($ns[$name]) ? $ns[$name] : null;
|
|
}
|
|
|
|
unset($ns['prefix']);
|
|
return $ns;
|
|
}
|
|
|
|
|
|
/**
|
|
* Sets delimiter and namespaces
|
|
*
|
|
* @access private
|
|
*/
|
|
private function set_env()
|
|
{
|
|
if ($this->delimiter !== null && $this->namespace !== null) {
|
|
return;
|
|
}
|
|
|
|
$config = rcmail::get_instance()->config;
|
|
$imap_personal = $config->get('imap_ns_personal');
|
|
$imap_other = $config->get('imap_ns_other');
|
|
$imap_shared = $config->get('imap_ns_shared');
|
|
$imap_delimiter = $config->get('imap_delimiter');
|
|
|
|
if (!$this->conn->connected())
|
|
return;
|
|
|
|
$ns = $this->conn->getNamespace();
|
|
|
|
// Set namespaces (NAMESPACE supported)
|
|
if (is_array($ns)) {
|
|
$this->namespace = $ns;
|
|
}
|
|
else {
|
|
$this->namespace = array(
|
|
'personal' => NULL,
|
|
'other' => NULL,
|
|
'shared' => NULL,
|
|
);
|
|
}
|
|
|
|
if ($imap_delimiter) {
|
|
$this->delimiter = $imap_delimiter;
|
|
}
|
|
if (empty($this->delimiter)) {
|
|
$this->delimiter = $this->namespace['personal'][0][1];
|
|
}
|
|
if (empty($this->delimiter)) {
|
|
$this->delimiter = $this->conn->getHierarchyDelimiter();
|
|
}
|
|
if (empty($this->delimiter)) {
|
|
$this->delimiter = '/';
|
|
}
|
|
|
|
// Overwrite namespaces
|
|
if ($imap_personal !== null) {
|
|
$this->namespace['personal'] = NULL;
|
|
foreach ((array)$imap_personal as $dir) {
|
|
$this->namespace['personal'][] = array($dir, $this->delimiter);
|
|
}
|
|
}
|
|
if ($imap_other !== null) {
|
|
$this->namespace['other'] = NULL;
|
|
foreach ((array)$imap_other as $dir) {
|
|
if ($dir) {
|
|
$this->namespace['other'][] = array($dir, $this->delimiter);
|
|
}
|
|
}
|
|
}
|
|
if ($imap_shared !== null) {
|
|
$this->namespace['shared'] = NULL;
|
|
foreach ((array)$imap_shared as $dir) {
|
|
if ($dir) {
|
|
$this->namespace['shared'][] = array($dir, $this->delimiter);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Find personal namespace prefix for mod_mailbox()
|
|
// Prefix can be removed when there is only one personal namespace
|
|
if (is_array($this->namespace['personal']) && count($this->namespace['personal']) == 1) {
|
|
$this->namespace['prefix'] = $this->namespace['personal'][0][0];
|
|
}
|
|
|
|
$_SESSION['imap_namespace'] = $this->namespace;
|
|
$_SESSION['imap_delimiter'] = $this->delimiter;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get message count for a specific mailbox
|
|
*
|
|
* @param string $mailbox Mailbox/folder name
|
|
* @param string $mode Mode for count [ALL|THREADS|UNSEEN|RECENT]
|
|
* @param boolean $force Force reading from server and update cache
|
|
* @param boolean $status Enables storing folder status info (max UID/count),
|
|
* required for mailbox_status()
|
|
* @return int Number of messages
|
|
* @access public
|
|
*/
|
|
function messagecount($mailbox='', $mode='ALL', $force=false, $status=true)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
return $this->_messagecount($mailbox, $mode, $force, $status);
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method for getting nr of messages
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param string $mode Mode for count [ALL|THREADS|UNSEEN|RECENT]
|
|
* @param boolean $force Force reading from server and update cache
|
|
* @param boolean $status Enables storing folder status info (max UID/count),
|
|
* required for mailbox_status()
|
|
* @return int Number of messages
|
|
* @access private
|
|
* @see rcube_imap::messagecount()
|
|
*/
|
|
private function _messagecount($mailbox, $mode='ALL', $force=false, $status=true)
|
|
{
|
|
$mode = strtoupper($mode);
|
|
|
|
// count search set
|
|
if ($this->search_string && $mailbox == $this->mailbox && ($mode == 'ALL' || $mode == 'THREADS') && !$force) {
|
|
if ($this->search_threads)
|
|
return $mode == 'ALL' ? count((array)$this->search_set['depth']) : count((array)$this->search_set['tree']);
|
|
else
|
|
return count((array)$this->search_set);
|
|
}
|
|
|
|
$a_mailbox_cache = $this->get_cache('messagecount');
|
|
|
|
// return cached value
|
|
if (!$force && is_array($a_mailbox_cache[$mailbox]) && isset($a_mailbox_cache[$mailbox][$mode]))
|
|
return $a_mailbox_cache[$mailbox][$mode];
|
|
|
|
if (!is_array($a_mailbox_cache[$mailbox]))
|
|
$a_mailbox_cache[$mailbox] = array();
|
|
|
|
if ($mode == 'THREADS') {
|
|
$res = $this->_threadcount($mailbox, $msg_count);
|
|
$count = $res['count'];
|
|
|
|
if ($status) {
|
|
$this->set_folder_stats($mailbox, 'cnt', $res['msgcount']);
|
|
$this->set_folder_stats($mailbox, 'maxuid', $res['maxuid'] ? $this->id2uid($res['maxuid'], $mailbox) : 0);
|
|
}
|
|
}
|
|
// RECENT count is fetched a bit different
|
|
else if ($mode == 'RECENT') {
|
|
$count = $this->conn->countRecent($mailbox);
|
|
}
|
|
// use SEARCH for message counting
|
|
else if ($this->skip_deleted) {
|
|
$search_str = "ALL UNDELETED";
|
|
$keys = array('COUNT');
|
|
$need_uid = false;
|
|
|
|
if ($mode == 'UNSEEN') {
|
|
$search_str .= " UNSEEN";
|
|
}
|
|
else {
|
|
if ($this->messages_caching) {
|
|
$keys[] = 'ALL';
|
|
}
|
|
if ($status) {
|
|
$keys[] = 'MAX';
|
|
$need_uid = true;
|
|
}
|
|
}
|
|
|
|
// get message count using (E)SEARCH
|
|
// not very performant but more precise (using UNDELETED)
|
|
$index = $this->conn->search($mailbox, $search_str, $need_uid, $keys);
|
|
|
|
$count = is_array($index) ? $index['COUNT'] : 0;
|
|
|
|
if ($mode == 'ALL') {
|
|
if ($this->messages_caching) {
|
|
// Save additional info required by cache status check
|
|
$this->icache['undeleted_idx'] = array($mailbox, $index['ALL'], $index['COUNT']);
|
|
}
|
|
if ($status) {
|
|
$this->set_folder_stats($mailbox, 'cnt', $count);
|
|
$this->set_folder_stats($mailbox, 'maxuid', is_array($index) ? $index['MAX'] : 0);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if ($mode == 'UNSEEN')
|
|
$count = $this->conn->countUnseen($mailbox);
|
|
else {
|
|
$count = $this->conn->countMessages($mailbox);
|
|
if ($status) {
|
|
$this->set_folder_stats($mailbox,'cnt', $count);
|
|
$this->set_folder_stats($mailbox, 'maxuid', $count ? $this->id2uid($count, $mailbox) : 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
$a_mailbox_cache[$mailbox][$mode] = (int)$count;
|
|
|
|
// write back to cache
|
|
$this->update_cache('messagecount', $a_mailbox_cache);
|
|
|
|
return (int)$count;
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method for getting nr of threads
|
|
*
|
|
* @param string $mailbox Folder name
|
|
*
|
|
* @returns array Array containing items: 'count' - threads count,
|
|
* 'msgcount' = messages count, 'maxuid' = max. UID in the set
|
|
* @access private
|
|
*/
|
|
private function _threadcount($mailbox)
|
|
{
|
|
$result = array();
|
|
|
|
if (!empty($this->icache['threads'])) {
|
|
$dcount = count($this->icache['threads']['depth']);
|
|
$result = array(
|
|
'count' => count($this->icache['threads']['tree']),
|
|
'msgcount' => $dcount,
|
|
'maxuid' => $dcount ? max(array_keys($this->icache['threads']['depth'])) : 0,
|
|
);
|
|
}
|
|
else if (is_array($result = $this->fetch_threads($mailbox))) {
|
|
$dcount = count($result[1]);
|
|
$result = array(
|
|
'count' => count($result[0]),
|
|
'msgcount' => $dcount,
|
|
'maxuid' => $dcount ? max(array_keys($result[1])) : 0,
|
|
);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Public method for listing headers
|
|
* convert mailbox name with root dir first
|
|
*
|
|
* @param string $mailbox Mailbox/folder name
|
|
* @param int $page Current page to list
|
|
* @param string $sort_field Header field to sort by
|
|
* @param string $sort_order Sort order [ASC|DESC]
|
|
* @param int $slice Number of slice items to extract from result array
|
|
* @return array Indexed array with message header objects
|
|
* @access public
|
|
*/
|
|
function list_headers($mailbox='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
return $this->_list_headers($mailbox, $page, $sort_field, $sort_order, $slice);
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method for listing message headers
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param int $page Current page to list
|
|
* @param string $sort_field Header field to sort by
|
|
* @param string $sort_order Sort order [ASC|DESC]
|
|
* @param int $slice Number of slice items to extract from result array
|
|
*
|
|
* @return array Indexed array with message header objects
|
|
* @see rcube_imap::list_headers
|
|
*/
|
|
private function _list_headers($mailbox='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0)
|
|
{
|
|
if (!strlen($mailbox))
|
|
return array();
|
|
|
|
// use saved message set
|
|
if ($this->search_string && $mailbox == $this->mailbox)
|
|
return $this->_list_header_set($mailbox, $page, $sort_field, $sort_order, $slice);
|
|
|
|
if ($this->threading)
|
|
return $this->_list_thread_headers($mailbox, $page, $sort_field, $sort_order, $slice);
|
|
|
|
$this->_set_sort_order($sort_field, $sort_order);
|
|
|
|
$page = $page ? $page : $this->list_page;
|
|
|
|
// Use messages cache
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
$msg_index = $mcache->get_index($mailbox, $this->sort_field, $this->sort_order);
|
|
|
|
if (empty($msg_index))
|
|
return array();
|
|
|
|
$from = ($page-1) * $this->page_size;
|
|
$to = $from + $this->page_size;
|
|
$msg_index = array_values($msg_index); // UIDs
|
|
$is_uid = true;
|
|
$sorted = true;
|
|
|
|
if ($from || $to)
|
|
$msg_index = array_slice($msg_index, $from, $to - $from);
|
|
|
|
if ($slice)
|
|
$msg_index = array_slice($msg_index, -$slice, $slice);
|
|
|
|
$a_msg_headers = $mcache->get_messages($mailbox, $msg_index);
|
|
}
|
|
// retrieve headers from IMAP
|
|
// use message index sort as default sorting (for better performance)
|
|
else if (!$this->sort_field) {
|
|
if ($this->skip_deleted) {
|
|
// @TODO: this could be cached
|
|
if ($msg_index = $this->_search_index($mailbox, 'ALL UNDELETED')) {
|
|
list($begin, $end) = $this->_get_message_range(count($msg_index), $page);
|
|
$msg_index = array_slice($msg_index, $begin, $end-$begin);
|
|
}
|
|
}
|
|
else if ($max = $this->conn->countMessages($mailbox)) {
|
|
list($begin, $end) = $this->_get_message_range($max, $page);
|
|
$msg_index = range($begin+1, $end);
|
|
}
|
|
else
|
|
$msg_index = array();
|
|
|
|
if ($slice && $msg_index)
|
|
$msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice);
|
|
|
|
// fetch reqested headers from server
|
|
if ($msg_index)
|
|
$a_msg_headers = $this->fetch_headers($mailbox, $msg_index);
|
|
}
|
|
// use SORT command
|
|
else if ($this->get_capability('SORT') &&
|
|
// Courier-IMAP provides SORT capability but allows to disable it by admin (#1486959)
|
|
($msg_index = $this->conn->sort($mailbox, $this->sort_field,
|
|
$this->skip_deleted ? 'UNDELETED' : '', true)) !== false
|
|
) {
|
|
if (!empty($msg_index)) {
|
|
list($begin, $end) = $this->_get_message_range(count($msg_index), $page);
|
|
$msg_index = array_slice($msg_index, $begin, $end-$begin);
|
|
$is_uid = true;
|
|
|
|
if ($slice)
|
|
$msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice);
|
|
|
|
// fetch reqested headers from server
|
|
$a_msg_headers = $this->fetch_headers($mailbox, $msg_index, true);
|
|
}
|
|
}
|
|
// fetch specified header for all messages and sort
|
|
else if ($msg_index = $this->conn->fetchHeaderIndex($mailbox, "1:*",
|
|
$this->sort_field, $this->skip_deleted, true)
|
|
) {
|
|
asort($msg_index); // ASC
|
|
$msg_index = array_keys($msg_index);
|
|
list($begin, $end) = $this->_get_message_range(count($msg_index), $page);
|
|
$msg_index = array_slice($msg_index, $begin, $end-$begin);
|
|
$is_uid = true;
|
|
|
|
if ($slice)
|
|
$msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice);
|
|
|
|
// fetch reqested headers from server
|
|
$a_msg_headers = $this->fetch_headers($mailbox, $msg_index, true);
|
|
}
|
|
|
|
// return empty array if no messages found
|
|
if (!is_array($a_msg_headers) || empty($a_msg_headers))
|
|
return array();
|
|
|
|
// use this class for message sorting
|
|
$sorter = new rcube_header_sorter();
|
|
$sorter->set_index($msg_index, $is_uid);
|
|
$sorter->sort_headers($a_msg_headers);
|
|
|
|
if ($this->sort_order == 'DESC' && !$sorted)
|
|
$a_msg_headers = array_reverse($a_msg_headers);
|
|
|
|
return array_values($a_msg_headers);
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method for listing message headers using threads
|
|
*
|
|
* @param string $mailbox Mailbox/folder name
|
|
* @param int $page Current page to list
|
|
* @param string $sort_field Header field to sort by
|
|
* @param string $sort_order Sort order [ASC|DESC]
|
|
* @param int $slice Number of slice items to extract from result array
|
|
*
|
|
* @return array Indexed array with message header objects
|
|
* @see rcube_imap::list_headers
|
|
*/
|
|
private function _list_thread_headers($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0)
|
|
{
|
|
$this->_set_sort_order($sort_field, $sort_order);
|
|
|
|
$page = $page ? $page : $this->list_page;
|
|
$mcache = $this->get_mcache_engine();
|
|
|
|
// get all threads (not sorted)
|
|
if ($mcache)
|
|
list ($thread_tree, $msg_depth, $has_children) = $mcache->get_thread($mailbox);
|
|
else
|
|
list ($thread_tree, $msg_depth, $has_children) = $this->fetch_threads($mailbox);
|
|
|
|
if (empty($thread_tree))
|
|
return array();
|
|
|
|
$msg_index = $this->sort_threads($mailbox, $thread_tree);
|
|
|
|
return $this->_fetch_thread_headers($mailbox,
|
|
$thread_tree, $msg_depth, $has_children, $msg_index, $page, $slice);
|
|
}
|
|
|
|
|
|
/**
|
|
* Method for fetching threads data
|
|
*
|
|
* @param string $mailbox Folder name
|
|
* @param bool $force Use IMAP server, no cache
|
|
*
|
|
* @return array Array with thread data
|
|
*/
|
|
function fetch_threads($mailbox, $force = false)
|
|
{
|
|
if (!$force && ($mcache = $this->get_mcache_engine())) {
|
|
// don't store in self's internal cache, cache has it's own internal cache
|
|
return $mcache->get_thread($mailbox);
|
|
}
|
|
|
|
if (empty($this->icache['threads'])) {
|
|
// get all threads
|
|
$result = $this->conn->thread($mailbox, $this->threading,
|
|
$this->skip_deleted ? 'UNDELETED' : '');
|
|
|
|
// add to internal (fast) cache
|
|
$this->icache['threads'] = array();
|
|
$this->icache['threads']['tree'] = is_array($result) ? $result[0] : array();
|
|
$this->icache['threads']['depth'] = is_array($result) ? $result[1] : array();
|
|
$this->icache['threads']['has_children'] = is_array($result) ? $result[2] : array();
|
|
}
|
|
|
|
return array(
|
|
$this->icache['threads']['tree'],
|
|
$this->icache['threads']['depth'],
|
|
$this->icache['threads']['has_children'],
|
|
);
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method for fetching threaded messages headers
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param array $thread_tree Thread tree data
|
|
* @param array $msg_depth Thread depth data
|
|
* @param array $has_children Thread children data
|
|
* @param array $msg_index Messages index
|
|
* @param int $page List page number
|
|
* @param int $slice Number of threads to slice
|
|
*
|
|
* @return array Messages headers
|
|
* @access private
|
|
*/
|
|
private function _fetch_thread_headers($mailbox, $thread_tree, $msg_depth, $has_children, $msg_index, $page, $slice=0)
|
|
{
|
|
// now get IDs for current page
|
|
list($begin, $end) = $this->_get_message_range(count($msg_index), $page);
|
|
$msg_index = array_slice($msg_index, $begin, $end-$begin);
|
|
|
|
if ($slice)
|
|
$msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice);
|
|
|
|
if ($this->sort_order == 'DESC')
|
|
$msg_index = array_reverse($msg_index);
|
|
|
|
// flatten threads array
|
|
// @TODO: fetch children only in expanded mode (?)
|
|
$all_ids = array();
|
|
foreach ($msg_index as $root) {
|
|
$all_ids[] = $root;
|
|
if (!empty($thread_tree[$root]))
|
|
$all_ids = array_merge($all_ids, array_keys_recursive($thread_tree[$root]));
|
|
}
|
|
|
|
// fetch reqested headers from server
|
|
$a_msg_headers = $this->fetch_headers($mailbox, $all_ids);
|
|
|
|
// return empty array if no messages found
|
|
if (!is_array($a_msg_headers) || empty($a_msg_headers))
|
|
return array();
|
|
|
|
// use this class for message sorting
|
|
$sorter = new rcube_header_sorter();
|
|
$sorter->set_index($all_ids);
|
|
$sorter->sort_headers($a_msg_headers);
|
|
|
|
// Set depth, has_children and unread_children fields in headers
|
|
$this->_set_thread_flags($a_msg_headers, $msg_depth, $has_children);
|
|
|
|
return array_values($a_msg_headers);
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method for setting threaded messages flags:
|
|
* depth, has_children and unread_children
|
|
*
|
|
* @param array $headers Reference to headers array indexed by message ID
|
|
* @param array $msg_depth Array of messages depth indexed by message ID
|
|
* @param array $msg_children Array of messages children flags indexed by message ID
|
|
* @return array Message headers array indexed by message ID
|
|
* @access private
|
|
*/
|
|
private function _set_thread_flags(&$headers, $msg_depth, $msg_children)
|
|
{
|
|
$parents = array();
|
|
|
|
foreach ($headers as $idx => $header) {
|
|
$id = $header->id;
|
|
$depth = $msg_depth[$id];
|
|
$parents = array_slice($parents, 0, $depth);
|
|
|
|
if (!empty($parents)) {
|
|
$headers[$idx]->parent_uid = end($parents);
|
|
if (empty($header->flags['SEEN']))
|
|
$headers[$parents[0]]->unread_children++;
|
|
}
|
|
array_push($parents, $header->uid);
|
|
|
|
$headers[$idx]->depth = $depth;
|
|
$headers[$idx]->has_children = $msg_children[$id];
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method for listing a set of message headers (search results)
|
|
*
|
|
* @param string $mailbox Mailbox/folder name
|
|
* @param int $page Current page to list
|
|
* @param string $sort_field Header field to sort by
|
|
* @param string $sort_order Sort order [ASC|DESC]
|
|
* @param int $slice Number of slice items to extract from result array
|
|
* @return array Indexed array with message header objects
|
|
* @access private
|
|
* @see rcube_imap::list_header_set()
|
|
*/
|
|
private function _list_header_set($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0)
|
|
{
|
|
if (!strlen($mailbox) || empty($this->search_set))
|
|
return array();
|
|
|
|
// use saved messages from searching
|
|
if ($this->threading)
|
|
return $this->_list_thread_header_set($mailbox, $page, $sort_field, $sort_order, $slice);
|
|
|
|
// search set is threaded, we need a new one
|
|
if ($this->search_threads) {
|
|
if (empty($this->search_set['tree']))
|
|
return array();
|
|
$this->search('', $this->search_string, $this->search_charset, $sort_field);
|
|
}
|
|
|
|
$msgs = $this->search_set;
|
|
$a_msg_headers = array();
|
|
$page = $page ? $page : $this->list_page;
|
|
$start_msg = ($page-1) * $this->page_size;
|
|
|
|
$this->_set_sort_order($sort_field, $sort_order);
|
|
|
|
// quickest method (default sorting)
|
|
if (!$this->search_sort_field && !$this->sort_field) {
|
|
if ($sort_order == 'DESC')
|
|
$msgs = array_reverse($msgs);
|
|
|
|
// get messages uids for one page
|
|
$msgs = array_slice(array_values($msgs), $start_msg, min(count($msgs)-$start_msg, $this->page_size));
|
|
|
|
if ($slice)
|
|
$msgs = array_slice($msgs, -$slice, $slice);
|
|
|
|
// fetch headers
|
|
$a_msg_headers = $this->fetch_headers($mailbox, $msgs);
|
|
|
|
// I didn't found in RFC that FETCH always returns messages sorted by index
|
|
$sorter = new rcube_header_sorter();
|
|
$sorter->set_index($msgs);
|
|
$sorter->sort_headers($a_msg_headers);
|
|
|
|
return array_values($a_msg_headers);
|
|
}
|
|
|
|
// sorted messages, so we can first slice array and then fetch only wanted headers
|
|
if ($this->search_sorted) { // SORT searching result
|
|
// reset search set if sorting field has been changed
|
|
if ($this->sort_field && $this->search_sort_field != $this->sort_field)
|
|
$msgs = $this->search('', $this->search_string, $this->search_charset, $this->sort_field);
|
|
|
|
// return empty array if no messages found
|
|
if (empty($msgs))
|
|
return array();
|
|
|
|
if ($sort_order == 'DESC')
|
|
$msgs = array_reverse($msgs);
|
|
|
|
// get messages uids for one page
|
|
$msgs = array_slice(array_values($msgs), $start_msg, min(count($msgs)-$start_msg, $this->page_size));
|
|
|
|
if ($slice)
|
|
$msgs = array_slice($msgs, -$slice, $slice);
|
|
|
|
// fetch headers
|
|
$a_msg_headers = $this->fetch_headers($mailbox, $msgs);
|
|
|
|
$sorter = new rcube_header_sorter();
|
|
$sorter->set_index($msgs);
|
|
$sorter->sort_headers($a_msg_headers);
|
|
|
|
return array_values($a_msg_headers);
|
|
}
|
|
else { // SEARCH result, need sorting
|
|
$cnt = count($msgs);
|
|
// 300: experimantal value for best result
|
|
if (($cnt > 300 && $cnt > $this->page_size) || !$this->sort_field) {
|
|
// use memory less expensive (and quick) method for big result set
|
|
$a_index = $this->message_index('', $this->sort_field, $this->sort_order);
|
|
// get messages uids for one page...
|
|
$msgs = array_slice($a_index, $start_msg, min($cnt-$start_msg, $this->page_size));
|
|
if ($slice)
|
|
$msgs = array_slice($msgs, -$slice, $slice);
|
|
// ...and fetch headers
|
|
$a_msg_headers = $this->fetch_headers($mailbox, $msgs);
|
|
|
|
|
|
// return empty array if no messages found
|
|
if (!is_array($a_msg_headers) || empty($a_msg_headers))
|
|
return array();
|
|
|
|
$sorter = new rcube_header_sorter();
|
|
$sorter->set_index($msgs);
|
|
$sorter->sort_headers($a_msg_headers);
|
|
|
|
return array_values($a_msg_headers);
|
|
}
|
|
else {
|
|
// for small result set we can fetch all messages headers
|
|
$a_msg_headers = $this->fetch_headers($mailbox, $msgs);
|
|
|
|
// return empty array if no messages found
|
|
if (!is_array($a_msg_headers) || empty($a_msg_headers))
|
|
return array();
|
|
|
|
// if not already sorted
|
|
$a_msg_headers = $this->conn->sortHeaders(
|
|
$a_msg_headers, $this->sort_field, $this->sort_order);
|
|
|
|
// only return the requested part of the set
|
|
$a_msg_headers = array_slice(array_values($a_msg_headers),
|
|
$start_msg, min($cnt-$start_msg, $this->page_size));
|
|
|
|
if ($slice)
|
|
$a_msg_headers = array_slice($a_msg_headers, -$slice, $slice);
|
|
|
|
return $a_msg_headers;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method for listing a set of threaded message headers (search results)
|
|
*
|
|
* @param string $mailbox Mailbox/folder name
|
|
* @param int $page Current page to list
|
|
* @param string $sort_field Header field to sort by
|
|
* @param string $sort_order Sort order [ASC|DESC]
|
|
* @param int $slice Number of slice items to extract from result array
|
|
* @return array Indexed array with message header objects
|
|
* @access private
|
|
* @see rcube_imap::list_header_set()
|
|
*/
|
|
private function _list_thread_header_set($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0)
|
|
{
|
|
// update search_set if previous data was fetched with disabled threading
|
|
if (!$this->search_threads) {
|
|
if (empty($this->search_set))
|
|
return array();
|
|
$this->search('', $this->search_string, $this->search_charset, $sort_field);
|
|
}
|
|
|
|
// empty result
|
|
if (empty($this->search_set['tree']))
|
|
return array();
|
|
|
|
$thread_tree = $this->search_set['tree'];
|
|
$msg_depth = $this->search_set['depth'];
|
|
$has_children = $this->search_set['children'];
|
|
$a_msg_headers = array();
|
|
|
|
$page = $page ? $page : $this->list_page;
|
|
$start_msg = ($page-1) * $this->page_size;
|
|
|
|
$this->_set_sort_order($sort_field, $sort_order);
|
|
|
|
$msg_index = $this->sort_threads($mailbox, $thread_tree, array_keys($msg_depth));
|
|
|
|
return $this->_fetch_thread_headers($mailbox,
|
|
$thread_tree, $msg_depth, $has_children, $msg_index, $page, $slice=0);
|
|
}
|
|
|
|
|
|
/**
|
|
* Helper function to get first and last index of the requested set
|
|
*
|
|
* @param int $max Messages count
|
|
* @param mixed $page Page number to show, or string 'all'
|
|
* @return array Array with two values: first index, last index
|
|
* @access private
|
|
*/
|
|
private function _get_message_range($max, $page)
|
|
{
|
|
$start_msg = ($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 messages headers
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param array $msgs Messages sequence numbers
|
|
* @param bool $is_uid Enable if $msgs numbers are UIDs
|
|
* @param bool $force Disables cache use
|
|
*
|
|
* @return array Messages headers indexed by UID
|
|
* @access private
|
|
*/
|
|
function fetch_headers($mailbox, $msgs, $is_uid = false, $force = false)
|
|
{
|
|
if (empty($msgs))
|
|
return array();
|
|
|
|
if (!$force && ($mcache = $this->get_mcache_engine())) {
|
|
return $mcache->get_messages($mailbox, $msgs, $is_uid);
|
|
}
|
|
|
|
// fetch reqested headers from server
|
|
$index = $this->conn->fetchHeaders(
|
|
$mailbox, $msgs, $is_uid, false, $this->get_fetch_headers());
|
|
|
|
if (empty($index))
|
|
return array();
|
|
|
|
foreach ($index as $headers) {
|
|
$a_msg_headers[$headers->uid] = $headers;
|
|
}
|
|
|
|
return $a_msg_headers;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns current status of mailbox
|
|
*
|
|
* We compare the maximum UID to determine the number of
|
|
* new messages because the RECENT flag is not reliable.
|
|
*
|
|
* @param string $mailbox Mailbox/folder name
|
|
* @return int Folder status
|
|
*/
|
|
function mailbox_status($mailbox = null)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
$old = $this->get_folder_stats($mailbox);
|
|
|
|
// refresh message count -> will update
|
|
$this->_messagecount($mailbox, 'ALL', true);
|
|
|
|
$result = 0;
|
|
$new = $this->get_folder_stats($mailbox);
|
|
|
|
// got new messages
|
|
if ($new['maxuid'] > $old['maxuid'])
|
|
$result += 1;
|
|
// some messages has been deleted
|
|
if ($new['cnt'] < $old['cnt'])
|
|
$result += 2;
|
|
|
|
// @TODO: optional checking for messages flags changes (?)
|
|
// @TODO: UIDVALIDITY checking
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Stores folder statistic data in session
|
|
* @TODO: move to separate DB table (cache?)
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param string $name Data name
|
|
* @param mixed $data Data value
|
|
*/
|
|
private function set_folder_stats($mailbox, $name, $data)
|
|
{
|
|
$_SESSION['folders'][$mailbox][$name] = $data;
|
|
}
|
|
|
|
|
|
/**
|
|
* Gets folder statistic data
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
*
|
|
* @return array Stats data
|
|
*/
|
|
private function get_folder_stats($mailbox)
|
|
{
|
|
if ($_SESSION['folders'][$mailbox])
|
|
return (array) $_SESSION['folders'][$mailbox];
|
|
else
|
|
return array();
|
|
}
|
|
|
|
|
|
/**
|
|
* Return sorted array of message IDs (not UIDs)
|
|
*
|
|
* @param string $mailbox Mailbox to get index from
|
|
* @param string $sort_field Sort column
|
|
* @param string $sort_order Sort order [ASC, DESC]
|
|
* @return array Indexed array with message IDs
|
|
*/
|
|
function message_index($mailbox='', $sort_field=NULL, $sort_order=NULL)
|
|
{
|
|
if ($this->threading)
|
|
return $this->thread_index($mailbox, $sort_field, $sort_order);
|
|
|
|
$this->_set_sort_order($sort_field, $sort_order);
|
|
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $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->icache[$key]) && $this->search_string
|
|
&& !$this->search_threads && $mailbox == $this->mailbox) {
|
|
// use message index sort as default sorting
|
|
if (!$this->sort_field) {
|
|
$msgs = $this->search_set;
|
|
|
|
if ($this->search_sort_field != 'date')
|
|
sort($msgs);
|
|
|
|
if ($this->sort_order == 'DESC')
|
|
$this->icache[$key] = array_reverse($msgs);
|
|
else
|
|
$this->icache[$key] = $msgs;
|
|
}
|
|
// sort with SORT command
|
|
else if ($this->search_sorted) {
|
|
if ($this->sort_field && $this->search_sort_field != $this->sort_field)
|
|
$this->search('', $this->search_string, $this->search_charset, $this->sort_field);
|
|
|
|
if ($this->sort_order == 'DESC')
|
|
$this->icache[$key] = array_reverse($this->search_set);
|
|
else
|
|
$this->icache[$key] = $this->search_set;
|
|
}
|
|
else {
|
|
$a_index = $this->conn->fetchHeaderIndex($mailbox,
|
|
join(',', $this->search_set), $this->sort_field, $this->skip_deleted);
|
|
|
|
if (is_array($a_index)) {
|
|
if ($this->sort_order=="ASC")
|
|
asort($a_index);
|
|
else if ($this->sort_order=="DESC")
|
|
arsort($a_index);
|
|
|
|
$this->icache[$key] = array_keys($a_index);
|
|
}
|
|
else {
|
|
$this->icache[$key] = array();
|
|
}
|
|
}
|
|
}
|
|
|
|
// have stored it in RAM
|
|
if (isset($this->icache[$key]))
|
|
return $this->icache[$key];
|
|
|
|
// check local cache
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
$a_index = $mcache->get_index($mailbox, $this->sort_field, $this->sort_order);
|
|
$this->icache[$key] = array_keys($a_index);
|
|
}
|
|
// fetch from IMAP server
|
|
else {
|
|
$this->icache[$key] = $this->message_index_direct(
|
|
$mailbox, $this->sort_field, $this->sort_order);
|
|
}
|
|
|
|
return $this->icache[$key];
|
|
}
|
|
|
|
|
|
/**
|
|
* Return sorted array of message IDs (not UIDs) directly from IMAP server.
|
|
* Doesn't use cache and ignores current search settings.
|
|
*
|
|
* @param string $mailbox Mailbox to get index from
|
|
* @param string $sort_field Sort column
|
|
* @param string $sort_order Sort order [ASC, DESC]
|
|
*
|
|
* @return array Indexed array with message IDs
|
|
*/
|
|
function message_index_direct($mailbox, $sort_field = null, $sort_order = null)
|
|
{
|
|
// use message index sort as default sorting
|
|
if (!$sort_field) {
|
|
if ($this->skip_deleted) {
|
|
$a_index = $this->conn->search($mailbox, 'ALL UNDELETED');
|
|
// I didn't found that SEARCH should return sorted IDs
|
|
if (is_array($a_index))
|
|
sort($a_index);
|
|
} else if ($max = $this->_messagecount($mailbox)) {
|
|
$a_index = range(1, $max);
|
|
}
|
|
|
|
if ($a_index !== false && $sort_order == 'DESC')
|
|
$a_index = array_reverse($a_index);
|
|
}
|
|
// fetch complete message index
|
|
else if ($this->get_capability('SORT') &&
|
|
($a_index = $this->conn->sort($mailbox,
|
|
$sort_field, $this->skip_deleted ? 'UNDELETED' : '')) !== false
|
|
) {
|
|
if ($sort_order == 'DESC')
|
|
$a_index = array_reverse($a_index);
|
|
}
|
|
else if ($a_index = $this->conn->fetchHeaderIndex(
|
|
$mailbox, "1:*", $sort_field, $skip_deleted)) {
|
|
if ($sort_order=="ASC")
|
|
asort($a_index);
|
|
else if ($sort_order=="DESC")
|
|
arsort($a_index);
|
|
|
|
$a_index = array_keys($a_index);
|
|
}
|
|
|
|
return $a_index !== false ? $a_index : array();
|
|
}
|
|
|
|
|
|
/**
|
|
* Return sorted array of threaded message IDs (not UIDs)
|
|
*
|
|
* @param string $mailbox Mailbox to get index from
|
|
* @param string $sort_field Sort column
|
|
* @param string $sort_order Sort order [ASC, DESC]
|
|
* @return array Indexed array with message IDs
|
|
*/
|
|
function thread_index($mailbox='', $sort_field=NULL, $sort_order=NULL)
|
|
{
|
|
$this->_set_sort_order($sort_field, $sort_order);
|
|
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
$key = "{$mailbox}:{$this->sort_field}:{$this->sort_order}:{$this->search_string}.thi";
|
|
|
|
// we have a saved search result, get index from there
|
|
if (!isset($this->icache[$key]) && $this->search_string
|
|
&& $this->search_threads && $mailbox == $this->mailbox) {
|
|
// use message IDs for better performance
|
|
$ids = array_keys_recursive($this->search_set['tree']);
|
|
$this->icache[$key] = $this->_flatten_threads($mailbox, $this->search_set['tree'], $ids);
|
|
}
|
|
|
|
// have stored it in RAM
|
|
if (isset($this->icache[$key]))
|
|
return $this->icache[$key];
|
|
|
|
// get all threads (default sort order)
|
|
list ($thread_tree) = $this->fetch_threads($mailbox);
|
|
|
|
$this->icache[$key] = $this->_flatten_threads($mailbox, $thread_tree);
|
|
|
|
return $this->icache[$key];
|
|
}
|
|
|
|
|
|
/**
|
|
* Return array of threaded messages (all, not only roots)
|
|
*
|
|
* @param string $mailbox Mailbox to get index from
|
|
* @param array $thread_tree Threaded messages array (see fetch_threads())
|
|
* @param array $ids Message IDs if we know what we need (e.g. search result)
|
|
* for better performance
|
|
* @return array Indexed array with message IDs
|
|
*
|
|
* @access private
|
|
*/
|
|
private function _flatten_threads($mailbox, $thread_tree, $ids=null)
|
|
{
|
|
if (empty($thread_tree))
|
|
return array();
|
|
|
|
$msg_index = $this->sort_threads($mailbox, $thread_tree, $ids);
|
|
|
|
if ($this->sort_order == 'DESC')
|
|
$msg_index = array_reverse($msg_index);
|
|
|
|
// flatten threads array
|
|
$all_ids = array();
|
|
foreach ($msg_index as $root) {
|
|
$all_ids[] = $root;
|
|
if (!empty($thread_tree[$root])) {
|
|
foreach (array_keys_recursive($thread_tree[$root]) as $val)
|
|
$all_ids[] = $val;
|
|
}
|
|
}
|
|
|
|
return $all_ids;
|
|
}
|
|
|
|
|
|
/**
|
|
* Invoke search request to IMAP server
|
|
*
|
|
* @param string $mailbox Mailbox name to search in
|
|
* @param string $str Search criteria
|
|
* @param string $charset Search charset
|
|
* @param string $sort_field Header field to sort by
|
|
* @return array search results as list of message IDs
|
|
* @access public
|
|
*/
|
|
function search($mailbox='', $str=NULL, $charset=NULL, $sort_field=NULL)
|
|
{
|
|
if (!$str)
|
|
return false;
|
|
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
$results = $this->_search_index($mailbox, $str, $charset, $sort_field);
|
|
|
|
$this->set_search_set($str, $results, $charset, $sort_field, (bool)$this->threading,
|
|
$this->threading || $this->search_sorted ? true : false);
|
|
|
|
return $results;
|
|
}
|
|
|
|
|
|
/**
|
|
* Private search method
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param string $criteria Search criteria
|
|
* @param string $charset Charset
|
|
* @param string $sort_field Sorting field
|
|
*
|
|
* @return array search results as list of message ids
|
|
* @see rcube_imap::search()
|
|
*/
|
|
private function _search_index($mailbox, $criteria='ALL', $charset=NULL, $sort_field=NULL)
|
|
{
|
|
$orig_criteria = $criteria;
|
|
|
|
if ($this->skip_deleted && !preg_match('/UNDELETED/', $criteria))
|
|
$criteria = 'UNDELETED '.$criteria;
|
|
|
|
if ($this->threading) {
|
|
$a_messages = $this->conn->thread($mailbox, $this->threading, $criteria, $charset);
|
|
|
|
// Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8,
|
|
// but I've seen that Courier doesn't support UTF-8)
|
|
if ($a_messages === false && $charset && $charset != 'US-ASCII')
|
|
$a_messages = $this->conn->thread($mailbox, $this->threading,
|
|
$this->convert_criteria($criteria, $charset), 'US-ASCII');
|
|
|
|
if ($a_messages !== false) {
|
|
list ($thread_tree, $msg_depth, $has_children) = $a_messages;
|
|
$a_messages = array(
|
|
'tree' => $thread_tree,
|
|
'depth'=> $msg_depth,
|
|
'children' => $has_children
|
|
);
|
|
}
|
|
|
|
return $a_messages;
|
|
}
|
|
|
|
if ($sort_field && $this->get_capability('SORT')) {
|
|
$charset = $charset ? $charset : $this->default_charset;
|
|
$a_messages = $this->conn->sort($mailbox, $sort_field, $criteria, false, $charset);
|
|
|
|
// Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8,
|
|
// but I've seen Courier with disabled UTF-8 support)
|
|
if ($a_messages === false && $charset && $charset != 'US-ASCII')
|
|
$a_messages = $this->conn->sort($mailbox, $sort_field,
|
|
$this->convert_criteria($criteria, $charset), false, 'US-ASCII');
|
|
|
|
if ($a_messages !== false) {
|
|
$this->search_sorted = true;
|
|
return $a_messages;
|
|
}
|
|
}
|
|
|
|
if ($orig_criteria == 'ALL') {
|
|
$max = $this->_messagecount($mailbox);
|
|
$a_messages = $max ? range(1, $max) : array();
|
|
}
|
|
else {
|
|
$a_messages = $this->conn->search($mailbox,
|
|
($charset ? "CHARSET $charset " : '') . $criteria);
|
|
|
|
// Error, try with US-ASCII (some servers may support only US-ASCII)
|
|
if ($a_messages === false && $charset && $charset != 'US-ASCII')
|
|
$a_messages = $this->conn->search($mailbox,
|
|
'CHARSET US-ASCII ' . $this->convert_criteria($criteria, $charset));
|
|
|
|
// I didn't found that SEARCH should return sorted IDs
|
|
if (is_array($a_messages) && !$this->sort_field)
|
|
sort($a_messages);
|
|
}
|
|
|
|
$this->search_sorted = false;
|
|
|
|
return $a_messages;
|
|
}
|
|
|
|
|
|
/**
|
|
* Direct (real and simple) SEARCH request to IMAP server,
|
|
* without result sorting and caching
|
|
*
|
|
* @param string $mailbox Mailbox name to search in
|
|
* @param string $str Search string
|
|
* @param boolean $ret_uid True if UIDs should be returned
|
|
*
|
|
* @return array Search results as list of message IDs or UIDs
|
|
*/
|
|
function search_once($mailbox='', $str=NULL, $ret_uid=false)
|
|
{
|
|
if (!$str)
|
|
return false;
|
|
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
return $this->conn->search($mailbox, $str, $ret_uid);
|
|
}
|
|
|
|
|
|
/**
|
|
* Converts charset of search criteria string
|
|
*
|
|
* @param string $str Search string
|
|
* @param string $charset Original charset
|
|
* @param string $dest_charset Destination charset (default US-ASCII)
|
|
* @return string Search string
|
|
* @access private
|
|
*/
|
|
private function convert_criteria($str, $charset, $dest_charset='US-ASCII')
|
|
{
|
|
// convert strings to US_ASCII
|
|
if (preg_match_all('/\{([0-9]+)\}\r\n/', $str, $matches, PREG_OFFSET_CAPTURE)) {
|
|
$last = 0; $res = '';
|
|
foreach ($matches[1] as $m) {
|
|
$string_offset = $m[1] + strlen($m[0]) + 4; // {}\r\n
|
|
$string = substr($str, $string_offset - 1, $m[0]);
|
|
$string = rcube_charset_convert($string, $charset, $dest_charset);
|
|
if (!$string)
|
|
continue;
|
|
$res .= sprintf("%s{%d}\r\n%s", substr($str, $last, $m[1] - $last - 1), strlen($string), $string);
|
|
$last = $m[0] + $string_offset - 1;
|
|
}
|
|
if ($last < strlen($str))
|
|
$res .= substr($str, $last, strlen($str)-$last);
|
|
}
|
|
else // strings for conversion not found
|
|
$res = $str;
|
|
|
|
return $res;
|
|
}
|
|
|
|
|
|
/**
|
|
* Sort thread
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param array $thread_tree Unsorted thread tree (rcube_imap_generic::thread() result)
|
|
* @param array $ids Message IDs if we know what we need (e.g. search result)
|
|
*
|
|
* @return array Sorted roots IDs
|
|
*/
|
|
function sort_threads($mailbox, $thread_tree, $ids = null)
|
|
{
|
|
// THREAD=ORDEREDSUBJECT: sorting by sent date of root message
|
|
// THREAD=REFERENCES: sorting by sent date of root message
|
|
// THREAD=REFS: sorting by the most recent date in each thread
|
|
|
|
// default sorting
|
|
if (!$this->sort_field || ($this->sort_field == 'date' && $this->threading == 'REFS')) {
|
|
return array_keys((array)$thread_tree);
|
|
}
|
|
// here we'll implement REFS sorting
|
|
else {
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
$a_index = $mcache->get_index($mailbox, $this->sort_field, 'ASC');
|
|
if (is_array($a_index)) {
|
|
$a_index = array_keys($a_index);
|
|
// now we must remove IDs that doesn't exist in $ids
|
|
if (!empty($ids))
|
|
$a_index = array_intersect($a_index, $ids);
|
|
}
|
|
}
|
|
// use SORT command
|
|
else if ($this->get_capability('SORT') &&
|
|
($a_index = $this->conn->sort($mailbox, $this->sort_field,
|
|
!empty($ids) ? $ids : ($this->skip_deleted ? 'UNDELETED' : ''))) !== false
|
|
) {
|
|
// do nothing
|
|
}
|
|
else {
|
|
// fetch specified headers for all messages and sort them
|
|
$a_index = $this->conn->fetchHeaderIndex($mailbox, !empty($ids) ? $ids : "1:*",
|
|
$this->sort_field, $this->skip_deleted);
|
|
|
|
// return unsorted tree if we've got no index data
|
|
if (!empty($a_index)) {
|
|
asort($a_index); // ASC
|
|
$a_index = array_values($a_index);
|
|
}
|
|
}
|
|
|
|
if (empty($a_index))
|
|
return array_keys((array)$thread_tree);
|
|
|
|
return $this->_sort_thread_refs($thread_tree, $a_index);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* THREAD=REFS sorting implementation
|
|
*
|
|
* @param array $tree Thread tree array (message identifiers as keys)
|
|
* @param array $index Array of sorted message identifiers
|
|
*
|
|
* @return array Array of sorted roots messages
|
|
*/
|
|
private function _sort_thread_refs($tree, $index)
|
|
{
|
|
if (empty($tree))
|
|
return array();
|
|
|
|
$index = array_combine(array_values($index), $index);
|
|
|
|
// assign roots
|
|
foreach ($tree as $idx => $val) {
|
|
$index[$idx] = $idx;
|
|
if (!empty($val)) {
|
|
$idx_arr = array_keys_recursive($tree[$idx]);
|
|
foreach ($idx_arr as $subidx)
|
|
$index[$subidx] = $idx;
|
|
}
|
|
}
|
|
|
|
$index = array_values($index);
|
|
|
|
// create sorted array of roots
|
|
$msg_index = array();
|
|
if ($this->sort_order != 'DESC') {
|
|
foreach ($index as $idx)
|
|
if (!isset($msg_index[$idx]))
|
|
$msg_index[$idx] = $idx;
|
|
$msg_index = array_values($msg_index);
|
|
}
|
|
else {
|
|
for ($x=count($index)-1; $x>=0; $x--)
|
|
if (!isset($msg_index[$index[$x]]))
|
|
$msg_index[$index[$x]] = $index[$x];
|
|
$msg_index = array_reverse($msg_index);
|
|
}
|
|
|
|
return $msg_index;
|
|
}
|
|
|
|
|
|
/**
|
|
* Refresh saved search set
|
|
*
|
|
* @return array Current search set
|
|
*/
|
|
function refresh_search()
|
|
{
|
|
if (!empty($this->search_string))
|
|
$this->search_set = $this->search('', $this->search_string, $this->search_charset,
|
|
$this->search_sort_field, $this->search_threads, $this->search_sorted);
|
|
|
|
return $this->get_search_set();
|
|
}
|
|
|
|
|
|
/**
|
|
* Check if the given message ID is part of the current search set
|
|
*
|
|
* @param string $msgid Message id
|
|
* @return boolean True on match or if no search request is stored
|
|
*/
|
|
function in_searchset($msgid)
|
|
{
|
|
if (!empty($this->search_string)) {
|
|
if ($this->search_threads)
|
|
return isset($this->search_set['depth']["$msgid"]);
|
|
else
|
|
return in_array("$msgid", (array)$this->search_set, true);
|
|
}
|
|
else
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return message headers object of a specific message
|
|
*
|
|
* @param int $id Message sequence ID or UID
|
|
* @param string $mailbox Mailbox to read from
|
|
* @param bool $force True to skip cache
|
|
*
|
|
* @return rcube_mail_header Message headers
|
|
*/
|
|
function get_headers($uid, $mailbox = null, $force = false)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
// get cached headers
|
|
if (!$force && $uid && ($mcache = $this->get_mcache_engine())) {
|
|
$headers = $mcache->get_message($mailbox, $uid);
|
|
}
|
|
else {
|
|
$headers = $this->conn->fetchHeader(
|
|
$mailbox, $uid, true, true, $this->get_fetch_headers());
|
|
}
|
|
|
|
return $headers;
|
|
}
|
|
|
|
|
|
/**
|
|
* Fetch message headers and body structure from the IMAP server and build
|
|
* an object structure similar to the one generated by PEAR::Mail_mimeDecode
|
|
*
|
|
* @param int $uid Message UID to fetch
|
|
* @param string $mailbox Mailbox to read from
|
|
*
|
|
* @return object rcube_mail_header Message data
|
|
*/
|
|
function get_message($uid, $mailbox = null)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
// Check internal cache
|
|
if (!empty($this->icache['message'])) {
|
|
if (($headers = $this->icache['message']) && $headers->uid == $uid) {
|
|
return $headers;
|
|
}
|
|
}
|
|
|
|
$headers = $this->get_headers($uid, $mailbox);
|
|
|
|
// structure might be cached
|
|
if (!empty($headers->structure))
|
|
return $headers;
|
|
|
|
$this->_msg_uid = $uid;
|
|
|
|
if (empty($headers->bodystructure)) {
|
|
$headers->bodystructure = $this->conn->getStructure($mailbox, $uid, true);
|
|
}
|
|
|
|
$structure = $headers->bodystructure;
|
|
|
|
if (empty($structure))
|
|
return $headers;
|
|
|
|
// set message charset from message headers
|
|
if ($headers->charset)
|
|
$this->struct_charset = $headers->charset;
|
|
else
|
|
$this->struct_charset = $this->_structure_charset($structure);
|
|
|
|
$headers->ctype = strtolower($headers->ctype);
|
|
|
|
// Here we can recognize malformed BODYSTRUCTURE and
|
|
// 1. [@TODO] parse the message in other way to create our own message structure
|
|
// 2. or just show the raw message body.
|
|
// Example of structure for malformed MIME message:
|
|
// ("text" "plain" NIL NIL NIL "7bit" 2154 70 NIL NIL NIL)
|
|
if ($headers->ctype && !is_array($structure[0]) && $headers->ctype != 'text/plain'
|
|
&& strtolower($structure[0].'/'.$structure[1]) == 'text/plain') {
|
|
// we can handle single-part messages, by simple fix in structure (#1486898)
|
|
if (preg_match('/^(text|application)\/(.*)/', $headers->ctype, $m)) {
|
|
$structure[0] = $m[1];
|
|
$structure[1] = $m[2];
|
|
}
|
|
else
|
|
return $headers;
|
|
}
|
|
|
|
$struct = &$this->_structure_part($structure, 0, '', $headers);
|
|
|
|
// don't trust given content-type
|
|
if (empty($struct->parts) && !empty($headers->ctype)) {
|
|
$struct->mime_id = '1';
|
|
$struct->mimetype = strtolower($headers->ctype);
|
|
list($struct->ctype_primary, $struct->ctype_secondary) = explode('/', $struct->mimetype);
|
|
}
|
|
|
|
$headers->structure = $struct;
|
|
|
|
return $this->icache['message'] = $headers;
|
|
}
|
|
|
|
|
|
/**
|
|
* Build message part object
|
|
*
|
|
* @param array $part
|
|
* @param int $count
|
|
* @param string $parent
|
|
* @access private
|
|
*/
|
|
function &_structure_part($part, $count=0, $parent='', $mime_headers=null)
|
|
{
|
|
$struct = new rcube_message_part;
|
|
$struct->mime_id = empty($parent) ? (string)$count : "$parent.$count";
|
|
|
|
// multipart
|
|
if (is_array($part[0])) {
|
|
$struct->ctype_primary = 'multipart';
|
|
|
|
/* RFC3501: BODYSTRUCTURE fields of multipart part
|
|
part1 array
|
|
part2 array
|
|
part3 array
|
|
....
|
|
1. subtype
|
|
2. parameters (optional)
|
|
3. description (optional)
|
|
4. language (optional)
|
|
5. location (optional)
|
|
*/
|
|
|
|
// find first non-array entry
|
|
for ($i=1; $i<count($part); $i++) {
|
|
if (!is_array($part[$i])) {
|
|
$struct->ctype_secondary = strtolower($part[$i]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
$struct->mimetype = 'multipart/'.$struct->ctype_secondary;
|
|
|
|
// build parts list for headers pre-fetching
|
|
for ($i=0; $i<count($part); $i++) {
|
|
if (!is_array($part[$i]))
|
|
break;
|
|
// fetch message headers if message/rfc822
|
|
// or named part (could contain Content-Location header)
|
|
if (!is_array($part[$i][0])) {
|
|
$tmp_part_id = $struct->mime_id ? $struct->mime_id.'.'.($i+1) : $i+1;
|
|
if (strtolower($part[$i][0]) == 'message' && strtolower($part[$i][1]) == 'rfc822') {
|
|
$mime_part_headers[] = $tmp_part_id;
|
|
}
|
|
else if (in_array('name', (array)$part[$i][2]) && empty($part[$i][3])) {
|
|
$mime_part_headers[] = $tmp_part_id;
|
|
}
|
|
}
|
|
}
|
|
|
|
// pre-fetch headers of all parts (in one command for better performance)
|
|
// @TODO: we could do this before _structure_part() call, to fetch
|
|
// headers for parts on all levels
|
|
if ($mime_part_headers) {
|
|
$mime_part_headers = $this->conn->fetchMIMEHeaders($this->mailbox,
|
|
$this->_msg_uid, $mime_part_headers);
|
|
}
|
|
|
|
$struct->parts = array();
|
|
for ($i=0, $count=0; $i<count($part); $i++) {
|
|
if (!is_array($part[$i]))
|
|
break;
|
|
$tmp_part_id = $struct->mime_id ? $struct->mime_id.'.'.($i+1) : $i+1;
|
|
$struct->parts[] = $this->_structure_part($part[$i], ++$count, $struct->mime_id,
|
|
$mime_part_headers[$tmp_part_id]);
|
|
}
|
|
|
|
return $struct;
|
|
}
|
|
|
|
/* RFC3501: BODYSTRUCTURE fields of non-multipart part
|
|
0. type
|
|
1. subtype
|
|
2. parameters
|
|
3. id
|
|
4. description
|
|
5. encoding
|
|
6. size
|
|
-- text
|
|
7. lines
|
|
-- message/rfc822
|
|
7. envelope structure
|
|
8. body structure
|
|
9. lines
|
|
--
|
|
x. md5 (optional)
|
|
x. disposition (optional)
|
|
x. language (optional)
|
|
x. location (optional)
|
|
*/
|
|
|
|
// 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 = $struct->ctype_parameters['charset'];
|
|
}
|
|
|
|
// #1487700: workaround for lack of charset in malformed structure
|
|
if (empty($struct->charset) && !empty($mime_headers) && $mime_headers->charset) {
|
|
$struct->charset = $mime_headers->charset;
|
|
}
|
|
|
|
// read content encoding
|
|
if (!empty($part[5])) {
|
|
$struct->encoding = strtolower($part[5]);
|
|
$struct->headers['content-transfer-encoding'] = $struct->encoding;
|
|
}
|
|
|
|
// get part size
|
|
if (!empty($part[6]))
|
|
$struct->size = intval($part[6]);
|
|
|
|
// read part disposition
|
|
$di = 8;
|
|
if ($struct->ctype_primary == 'text') $di += 1;
|
|
else if ($struct->mimetype == 'message/rfc822') $di += 3;
|
|
|
|
if (is_array($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][$n+1];
|
|
}
|
|
|
|
// get message/rfc822's child-parts
|
|
if (is_array($part[8]) && $di != 8) {
|
|
$struct->parts = array();
|
|
for ($i=0, $count=0; $i<count($part[8]); $i++) {
|
|
if (!is_array($part[8][$i]))
|
|
break;
|
|
$struct->parts[] = $this->_structure_part($part[8][$i], ++$count, $struct->mime_id);
|
|
}
|
|
}
|
|
|
|
// get part ID
|
|
if (!empty($part[3])) {
|
|
$struct->content_id = $part[3];
|
|
$struct->headers['content-id'] = $part[3];
|
|
|
|
if (empty($struct->disposition))
|
|
$struct->disposition = 'inline';
|
|
}
|
|
|
|
// fetch message headers if message/rfc822 or named part (could contain Content-Location header)
|
|
if ($struct->ctype_primary == 'message' || ($struct->ctype_parameters['name'] && !$struct->content_id)) {
|
|
if (empty($mime_headers)) {
|
|
$mime_headers = $this->conn->fetchPartHeader(
|
|
$this->mailbox, $this->_msg_uid, true, $struct->mime_id);
|
|
}
|
|
|
|
if (is_string($mime_headers))
|
|
$struct->headers = $this->_parse_headers($mime_headers) + $struct->headers;
|
|
else if (is_object($mime_headers))
|
|
$struct->headers = get_object_vars($mime_headers) + $struct->headers;
|
|
|
|
// get real content-type of message/rfc822
|
|
if ($struct->mimetype == 'message/rfc822') {
|
|
// single-part
|
|
if (!is_array($part[8][0]))
|
|
$struct->real_mimetype = strtolower($part[8][0] . '/' . $part[8][1]);
|
|
// multi-part
|
|
else {
|
|
for ($n=0; $n<count($part[8]); $n++)
|
|
if (!is_array($part[8][$n]))
|
|
break;
|
|
$struct->real_mimetype = 'multipart/' . strtolower($part[8][$n]);
|
|
}
|
|
}
|
|
|
|
if ($struct->ctype_primary == 'message' && empty($struct->parts)) {
|
|
if (is_array($part[8]) && $di != 8)
|
|
$struct->parts[] = $this->_structure_part($part[8], ++$count, $struct->mime_id);
|
|
}
|
|
}
|
|
|
|
// normalize filename property
|
|
$this->_set_part_filename($struct, $mime_headers);
|
|
|
|
return $struct;
|
|
}
|
|
|
|
|
|
/**
|
|
* Set attachment filename from message part structure
|
|
*
|
|
* @param rcube_message_part $part Part object
|
|
* @param string $headers Part's raw headers
|
|
* @access private
|
|
*/
|
|
private function _set_part_filename(&$part, $headers=null)
|
|
{
|
|
if (!empty($part->d_parameters['filename']))
|
|
$filename_mime = $part->d_parameters['filename'];
|
|
else if (!empty($part->d_parameters['filename*']))
|
|
$filename_encoded = $part->d_parameters['filename*'];
|
|
else if (!empty($part->ctype_parameters['name*']))
|
|
$filename_encoded = $part->ctype_parameters['name*'];
|
|
// RFC2231 value continuations
|
|
// TODO: this should be rewrited to support RFC2231 4.1 combinations
|
|
else if (!empty($part->d_parameters['filename*0'])) {
|
|
$i = 0;
|
|
while (isset($part->d_parameters['filename*'.$i])) {
|
|
$filename_mime .= $part->d_parameters['filename*'.$i];
|
|
$i++;
|
|
}
|
|
// some servers (eg. dovecot-1.x) have no support for parameter value continuations
|
|
// we must fetch and parse headers "manually"
|
|
if ($i<2) {
|
|
if (!$headers) {
|
|
$headers = $this->conn->fetchPartHeader(
|
|
$this->mailbox, $this->_msg_uid, true, $part->mime_id);
|
|
}
|
|
$filename_mime = '';
|
|
$i = 0;
|
|
while (preg_match('/filename\*'.$i.'\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) {
|
|
$filename_mime .= $matches[1];
|
|
$i++;
|
|
}
|
|
}
|
|
}
|
|
else if (!empty($part->d_parameters['filename*0*'])) {
|
|
$i = 0;
|
|
while (isset($part->d_parameters['filename*'.$i.'*'])) {
|
|
$filename_encoded .= $part->d_parameters['filename*'.$i.'*'];
|
|
$i++;
|
|
}
|
|
if ($i<2) {
|
|
if (!$headers) {
|
|
$headers = $this->conn->fetchPartHeader(
|
|
$this->mailbox, $this->_msg_uid, true, $part->mime_id);
|
|
}
|
|
$filename_encoded = '';
|
|
$i = 0; $matches = array();
|
|
while (preg_match('/filename\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) {
|
|
$filename_encoded .= $matches[1];
|
|
$i++;
|
|
}
|
|
}
|
|
}
|
|
else if (!empty($part->ctype_parameters['name*0'])) {
|
|
$i = 0;
|
|
while (isset($part->ctype_parameters['name*'.$i])) {
|
|
$filename_mime .= $part->ctype_parameters['name*'.$i];
|
|
$i++;
|
|
}
|
|
if ($i<2) {
|
|
if (!$headers) {
|
|
$headers = $this->conn->fetchPartHeader(
|
|
$this->mailbox, $this->_msg_uid, true, $part->mime_id);
|
|
}
|
|
$filename_mime = '';
|
|
$i = 0; $matches = array();
|
|
while (preg_match('/\s+name\*'.$i.'\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) {
|
|
$filename_mime .= $matches[1];
|
|
$i++;
|
|
}
|
|
}
|
|
}
|
|
else if (!empty($part->ctype_parameters['name*0*'])) {
|
|
$i = 0;
|
|
while (isset($part->ctype_parameters['name*'.$i.'*'])) {
|
|
$filename_encoded .= $part->ctype_parameters['name*'.$i.'*'];
|
|
$i++;
|
|
}
|
|
if ($i<2) {
|
|
if (!$headers) {
|
|
$headers = $this->conn->fetchPartHeader(
|
|
$this->mailbox, $this->_msg_uid, true, $part->mime_id);
|
|
}
|
|
$filename_encoded = '';
|
|
$i = 0; $matches = array();
|
|
while (preg_match('/\s+name\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) {
|
|
$filename_encoded .= $matches[1];
|
|
$i++;
|
|
}
|
|
}
|
|
}
|
|
// read 'name' after rfc2231 parameters as it may contains truncated filename (from Thunderbird)
|
|
else if (!empty($part->ctype_parameters['name']))
|
|
$filename_mime = $part->ctype_parameters['name'];
|
|
// Content-Disposition
|
|
else if (!empty($part->headers['content-description']))
|
|
$filename_mime = $part->headers['content-description'];
|
|
else
|
|
return;
|
|
|
|
// decode filename
|
|
if (!empty($filename_mime)) {
|
|
$part->filename = rcube_imap::decode_mime_string($filename_mime,
|
|
$part->charset ? $part->charset : ($this->struct_charset ? $this->struct_charset :
|
|
rc_detect_encoding($filename_mime, $this->default_charset)));
|
|
}
|
|
else if (!empty($filename_encoded)) {
|
|
// decode filename according to RFC 2231, Section 4
|
|
if (preg_match("/^([^']*)'[^']*'(.*)$/", $filename_encoded, $fmatches)) {
|
|
$filename_charset = $fmatches[1];
|
|
$filename_encoded = $fmatches[2];
|
|
}
|
|
$part->filename = rcube_charset_convert(urldecode($filename_encoded), $filename_charset);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Get charset name from message structure (first part)
|
|
*
|
|
* @param array $structure Message structure
|
|
* @return string Charset name
|
|
* @access private
|
|
*/
|
|
private function _structure_charset($structure)
|
|
{
|
|
while (is_array($structure)) {
|
|
if (is_array($structure[2]) && $structure[2][0] == 'charset')
|
|
return $structure[2][1];
|
|
$structure = $structure[0];
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Fetch message body of a specific message from the server
|
|
*
|
|
* @param int $uid Message UID
|
|
* @param string $part Part number
|
|
* @param rcube_message_part $o_part Part object created by get_structure()
|
|
* @param mixed $print True to print part, ressource to write part contents in
|
|
* @param resource $fp File pointer to save the message part
|
|
* @param boolean $skip_charset_conv Disables charset conversion
|
|
*
|
|
* @return string Message/part body if not printed
|
|
*/
|
|
function &get_message_part($uid, $part=1, $o_part=NULL, $print=NULL, $fp=NULL, $skip_charset_conv=false)
|
|
{
|
|
// get part encoding if not provided
|
|
if (!is_object($o_part)) {
|
|
$structure = $this->conn->getStructure($this->mailbox, $uid, true);
|
|
|
|
$o_part = new rcube_message_part;
|
|
$o_part->ctype_primary = strtolower(rcube_imap_generic::getStructurePartType($structure, $part));
|
|
$o_part->encoding = strtolower(rcube_imap_generic::getStructurePartEncoding($structure, $part));
|
|
$o_part->charset = rcube_imap_generic::getStructurePartCharset($structure, $part);
|
|
}
|
|
|
|
// TODO: Add caching for message parts
|
|
|
|
if (!$part) {
|
|
$part = 'TEXT';
|
|
}
|
|
|
|
$body = $this->conn->handlePartBody($this->mailbox, $uid, true, $part,
|
|
$o_part->encoding, $print, $fp);
|
|
|
|
if ($fp || $print) {
|
|
return true;
|
|
}
|
|
|
|
// convert charset (if text or message part)
|
|
if ($body && preg_match('/^(text|message)$/', $o_part->ctype_primary)) {
|
|
// Remove NULL characters (#1486189)
|
|
$body = str_replace("\x00", '', $body);
|
|
|
|
if (!$skip_charset_conv) {
|
|
if (!$o_part->charset || strtoupper($o_part->charset) == 'US-ASCII') {
|
|
$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 $uid Message UID
|
|
* @return string $part Message/part body
|
|
* @see rcube_imap::get_message_part()
|
|
*/
|
|
function &get_body($uid, $part=1)
|
|
{
|
|
$headers = $this->get_headers($uid);
|
|
return rcube_charset_convert($this->get_message_part($uid, $part, NULL),
|
|
$headers->charset ? $headers->charset : $this->default_charset);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the whole message source as string (or saves to a file)
|
|
*
|
|
* @param int $uid Message UID
|
|
* @param resource $fp File pointer to save the message
|
|
*
|
|
* @return string Message source string
|
|
*/
|
|
function &get_raw_body($uid, $fp=null)
|
|
{
|
|
return $this->conn->handlePartBody($this->mailbox, $uid,
|
|
true, null, null, false, $fp);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the message headers as string
|
|
*
|
|
* @param int $uid Message UID
|
|
* @return string Message headers string
|
|
*/
|
|
function &get_raw_headers($uid)
|
|
{
|
|
return $this->conn->fetchPartHeader($this->mailbox, $uid, true);
|
|
}
|
|
|
|
|
|
/**
|
|
* Sends the whole message source to stdout
|
|
*
|
|
* @param int $uid Message UID
|
|
*/
|
|
function print_raw_body($uid)
|
|
{
|
|
$this->conn->handlePartBody($this->mailbox, $uid, true, NULL, NULL, true);
|
|
}
|
|
|
|
|
|
/**
|
|
* Set message flag to one or several messages
|
|
*
|
|
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
|
|
* @param string $flag Flag to set: SEEN, UNDELETED, DELETED, RECENT, ANSWERED, DRAFT, MDNSENT
|
|
* @param string $mailbox Folder name
|
|
* @param boolean $skip_cache True to skip message cache clean up
|
|
*
|
|
* @return boolean Operation status
|
|
*/
|
|
function set_flag($uids, $flag, $mailbox=null, $skip_cache=false)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
$flag = strtoupper($flag);
|
|
list($uids, $all_mode) = $this->_parse_uids($uids, $mailbox);
|
|
|
|
if (strpos($flag, 'UN') === 0)
|
|
$result = $this->conn->unflag($mailbox, $uids, substr($flag, 2));
|
|
else
|
|
$result = $this->conn->flag($mailbox, $uids, $flag);
|
|
|
|
if ($result) {
|
|
// reload message headers if cached
|
|
// @TODO: update flags instead removing from cache
|
|
if (!$skip_cache && ($mcache = $this->get_mcache_engine())) {
|
|
$status = strpos($flag, 'UN') !== 0;
|
|
$mflag = preg_replace('/^UN/', '', $flag);
|
|
$mcache->change_flag($mailbox, $all_mode ? null : explode(',', $uids),
|
|
$mflag, $status);
|
|
}
|
|
|
|
// clear cached counters
|
|
if ($flag == 'SEEN' || $flag == 'UNSEEN') {
|
|
$this->_clear_messagecount($mailbox, 'SEEN');
|
|
$this->_clear_messagecount($mailbox, 'UNSEEN');
|
|
}
|
|
else if ($flag == 'DELETED') {
|
|
$this->_clear_messagecount($mailbox, 'DELETED');
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Remove message flag for one or several messages
|
|
*
|
|
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
|
|
* @param string $flag Flag to unset: SEEN, DELETED, RECENT, ANSWERED, DRAFT, MDNSENT
|
|
* @param string $mailbox Folder name
|
|
*
|
|
* @return int Number of flagged messages, -1 on failure
|
|
* @see set_flag
|
|
*/
|
|
function unset_flag($uids, $flag, $mailbox=null)
|
|
{
|
|
return $this->set_flag($uids, 'UN'.$flag, $mailbox);
|
|
}
|
|
|
|
|
|
/**
|
|
* Append a mail message (source) to a specific mailbox
|
|
*
|
|
* @param string $mailbox Target mailbox
|
|
* @param string $message The message source string or filename
|
|
* @param string $headers Headers string if $message contains only the body
|
|
* @param boolean $is_file True if $message is a filename
|
|
*
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
function save_message($mailbox, &$message, $headers='', $is_file=false)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
// make sure mailbox exists
|
|
if ($this->mailbox_exists($mailbox)) {
|
|
if ($is_file)
|
|
$saved = $this->conn->appendFromFile($mailbox, $message, $headers);
|
|
else
|
|
$saved = $this->conn->append($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 mixed $uids Message UIDs as array or comma-separated string, or '*'
|
|
* @param string $to_mbox Target mailbox
|
|
* @param string $from_mbox Source mailbox
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
function move_message($uids, $to_mbox, $from_mbox='')
|
|
{
|
|
if (!strlen($from_mbox)) {
|
|
$from_mbox = $this->mailbox;
|
|
}
|
|
|
|
if ($to_mbox === $from_mbox) {
|
|
return false;
|
|
}
|
|
|
|
list($uids, $all_mode) = $this->_parse_uids($uids, $from_mbox);
|
|
|
|
// exit if no message uids are specified
|
|
if (empty($uids))
|
|
return false;
|
|
|
|
// make sure mailbox exists
|
|
if ($to_mbox != 'INBOX' && !$this->mailbox_exists($to_mbox)) {
|
|
if (in_array($to_mbox, $this->default_folders))
|
|
$this->create_mailbox($to_mbox, true);
|
|
else
|
|
return false;
|
|
}
|
|
|
|
$config = rcmail::get_instance()->config;
|
|
$to_trash = $to_mbox == $config->get('trash_mbox');
|
|
|
|
// flag messages as read before moving them
|
|
if ($to_trash && $config->get('read_when_deleted')) {
|
|
// don't flush cache (4th argument)
|
|
$this->set_flag($uids, 'SEEN', $from_mbox, true);
|
|
}
|
|
|
|
// move messages
|
|
$moved = $this->conn->move($uids, $from_mbox, $to_mbox);
|
|
|
|
// send expunge command in order to have the moved message
|
|
// really deleted from the source mailbox
|
|
if ($moved) {
|
|
$this->_expunge($from_mbox, false, $uids);
|
|
$this->_clear_messagecount($from_mbox);
|
|
$this->_clear_messagecount($to_mbox);
|
|
}
|
|
// moving failed
|
|
else if ($to_trash && $config->get('delete_always', false)) {
|
|
$moved = $this->delete_message($uids, $from_mbox);
|
|
}
|
|
|
|
if ($moved) {
|
|
// unset threads internal cache
|
|
unset($this->icache['threads']);
|
|
|
|
// remove message ids from search set
|
|
if ($this->search_set && $from_mbox == $this->mailbox) {
|
|
// threads are too complicated to just remove messages from set
|
|
if ($this->search_threads || $all_mode)
|
|
$this->refresh_search();
|
|
else {
|
|
$a_uids = explode(',', $uids);
|
|
foreach ($a_uids as $uid)
|
|
$a_mids[] = $this->uid2id($uid, $from_mbox);
|
|
$this->search_set = array_diff($this->search_set, $a_mids);
|
|
}
|
|
unset($a_mids);
|
|
unset($a_uids);
|
|
}
|
|
|
|
// remove cached messages
|
|
// @TODO: do cache update instead of clearing it
|
|
$this->clear_message_cache($from_mbox, $all_mode ? null : explode(',', $uids));
|
|
}
|
|
|
|
return $moved;
|
|
}
|
|
|
|
|
|
/**
|
|
* Copy a message from one mailbox to another
|
|
*
|
|
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
|
|
* @param string $to_mbox Target mailbox
|
|
* @param string $from_mbox Source mailbox
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
function copy_message($uids, $to_mbox, $from_mbox='')
|
|
{
|
|
if (!strlen($from_mbox)) {
|
|
$from_mbox = $this->mailbox;
|
|
}
|
|
|
|
list($uids, $all_mode) = $this->_parse_uids($uids, $from_mbox);
|
|
|
|
// exit if no message uids are specified
|
|
if (empty($uids)) {
|
|
return false;
|
|
}
|
|
|
|
// make sure mailbox exists
|
|
if ($to_mbox != 'INBOX' && !$this->mailbox_exists($to_mbox)) {
|
|
if (in_array($to_mbox, $this->default_folders))
|
|
$this->create_mailbox($to_mbox, true);
|
|
else
|
|
return false;
|
|
}
|
|
|
|
// copy messages
|
|
$copied = $this->conn->copy($uids, $from_mbox, $to_mbox);
|
|
|
|
if ($copied) {
|
|
$this->_clear_messagecount($to_mbox);
|
|
}
|
|
|
|
return $copied;
|
|
}
|
|
|
|
|
|
/**
|
|
* Mark messages as deleted and expunge mailbox
|
|
*
|
|
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
|
|
* @param string $mailbox Source mailbox
|
|
*
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
function delete_message($uids, $mailbox='')
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
list($uids, $all_mode) = $this->_parse_uids($uids, $mailbox);
|
|
|
|
// exit if no message uids are specified
|
|
if (empty($uids))
|
|
return false;
|
|
|
|
$deleted = $this->conn->delete($mailbox, $uids);
|
|
|
|
if ($deleted) {
|
|
// send expunge command in order to have the deleted message
|
|
// really deleted from the mailbox
|
|
$this->_expunge($mailbox, false, $uids);
|
|
$this->_clear_messagecount($mailbox);
|
|
unset($this->uid_id_map[$mailbox]);
|
|
|
|
// unset threads internal cache
|
|
unset($this->icache['threads']);
|
|
|
|
// remove message ids from search set
|
|
if ($this->search_set && $mailbox == $this->mailbox) {
|
|
// threads are too complicated to just remove messages from set
|
|
if ($this->search_threads || $all_mode)
|
|
$this->refresh_search();
|
|
else {
|
|
$a_uids = explode(',', $uids);
|
|
foreach ($a_uids as $uid)
|
|
$a_mids[] = $this->uid2id($uid, $mailbox);
|
|
$this->search_set = array_diff($this->search_set, $a_mids);
|
|
unset($a_uids);
|
|
unset($a_mids);
|
|
}
|
|
}
|
|
|
|
// remove cached messages
|
|
$this->clear_message_cache($mailbox, $all_mode ? null : explode(',', $uids));
|
|
}
|
|
|
|
return $deleted;
|
|
}
|
|
|
|
|
|
/**
|
|
* Clear all messages in a specific mailbox
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
*
|
|
* @return int Above 0 on success
|
|
*/
|
|
function clear_mailbox($mailbox=null)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
// SELECT will set messages count for clearFolder()
|
|
if ($this->conn->select($mailbox)) {
|
|
$cleared = $this->conn->clearFolder($mailbox);
|
|
}
|
|
|
|
// make sure the cache is cleared as well
|
|
if ($cleared) {
|
|
$this->clear_message_cache($mailbox);
|
|
$a_mailbox_cache = $this->get_cache('messagecount');
|
|
unset($a_mailbox_cache[$mailbox]);
|
|
$this->update_cache('messagecount', $a_mailbox_cache);
|
|
}
|
|
|
|
return $cleared;
|
|
}
|
|
|
|
|
|
/**
|
|
* Send IMAP expunge command and clear cache
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param boolean $clear_cache False if cache should not be cleared
|
|
*
|
|
* @return boolean True on success
|
|
*/
|
|
function expunge($mailbox='', $clear_cache=true)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
return $this->_expunge($mailbox, $clear_cache);
|
|
}
|
|
|
|
|
|
/**
|
|
* Send IMAP expunge command and clear cache
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param boolean $clear_cache False if cache should not be cleared
|
|
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
|
|
* @return boolean True on success
|
|
* @access private
|
|
* @see rcube_imap::expunge()
|
|
*/
|
|
private function _expunge($mailbox, $clear_cache=true, $uids=NULL)
|
|
{
|
|
if ($uids && $this->get_capability('UIDPLUS'))
|
|
list($uids, $all_mode) = $this->_parse_uids($uids, $mailbox);
|
|
else
|
|
$uids = null;
|
|
|
|
// force mailbox selection and check if mailbox is writeable
|
|
// to prevent a situation when CLOSE is executed on closed
|
|
// or EXPUNGE on read-only mailbox
|
|
$result = $this->conn->select($mailbox);
|
|
if (!$result) {
|
|
return false;
|
|
}
|
|
if (!$this->conn->data['READ-WRITE']) {
|
|
$this->conn->setError(rcube_imap_generic::ERROR_READONLY, "Mailbox is read-only");
|
|
return false;
|
|
}
|
|
|
|
// CLOSE(+SELECT) should be faster than EXPUNGE
|
|
if (empty($uids) || $all_mode)
|
|
$result = $this->conn->close();
|
|
else
|
|
$result = $this->conn->expunge($mailbox, $uids);
|
|
|
|
if ($result && $clear_cache) {
|
|
$this->clear_message_cache($mailbox, $all_mode ? null : explode(',', $uids));
|
|
$this->_clear_messagecount($mailbox);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Parse message UIDs input
|
|
*
|
|
* @param mixed $uids UIDs array or comma-separated list or '*' or '1:*'
|
|
* @param string $mailbox Mailbox name
|
|
* @return array Two elements array with UIDs converted to list and ALL flag
|
|
* @access private
|
|
*/
|
|
private function _parse_uids($uids, $mailbox)
|
|
{
|
|
if ($uids === '*' || $uids === '1:*') {
|
|
if (empty($this->search_set)) {
|
|
$uids = '1:*';
|
|
$all = true;
|
|
}
|
|
// get UIDs from current search set
|
|
// @TODO: skip fetchUIDs() and work with IDs instead of UIDs (?)
|
|
else {
|
|
if ($this->search_threads)
|
|
$uids = $this->conn->fetchUIDs($mailbox, array_keys($this->search_set['depth']));
|
|
else
|
|
$uids = $this->conn->fetchUIDs($mailbox, $this->search_set);
|
|
|
|
// save ID-to-UID mapping in local cache
|
|
if (is_array($uids))
|
|
foreach ($uids as $id => $uid)
|
|
$this->uid_id_map[$mailbox][$uid] = $id;
|
|
|
|
$uids = join(',', $uids);
|
|
}
|
|
}
|
|
else {
|
|
if (is_array($uids))
|
|
$uids = join(',', $uids);
|
|
|
|
if (preg_match('/[^0-9,]/', $uids))
|
|
$uids = '';
|
|
}
|
|
|
|
return array($uids, (bool) $all);
|
|
}
|
|
|
|
|
|
/**
|
|
* Translate UID to message ID
|
|
*
|
|
* @param int $uid Message UID
|
|
* @param string $mailbox Mailbox name
|
|
*
|
|
* @return int Message ID
|
|
*/
|
|
function get_id($uid, $mailbox=null)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
return $this->uid2id($uid, $mailbox);
|
|
}
|
|
|
|
|
|
/**
|
|
* Translate message number to UID
|
|
*
|
|
* @param int $id Message ID
|
|
* @param string $mailbox Mailbox name
|
|
*
|
|
* @return int Message UID
|
|
*/
|
|
function get_uid($id, $mailbox=null)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
return $this->id2uid($id, $mailbox);
|
|
}
|
|
|
|
|
|
|
|
/* --------------------------------
|
|
* folder managment
|
|
* --------------------------------*/
|
|
|
|
/**
|
|
* Public method for listing subscribed folders
|
|
*
|
|
* @param string $root Optional root folder
|
|
* @param string $name Optional name pattern
|
|
* @param string $filter Optional filter
|
|
*
|
|
* @return array List of mailboxes/folders
|
|
* @access public
|
|
*/
|
|
function list_mailboxes($root='', $name='*', $filter=null)
|
|
{
|
|
$a_mboxes = $this->_list_mailboxes($root, $name, $filter);
|
|
|
|
// INBOX should always be available
|
|
if ((!$filter || $filter == 'mail') && !in_array('INBOX', $a_mboxes)) {
|
|
array_unshift($a_mboxes, 'INBOX');
|
|
}
|
|
|
|
// sort mailboxes
|
|
$a_mboxes = $this->_sort_mailbox_list($a_mboxes);
|
|
|
|
return $a_mboxes;
|
|
}
|
|
|
|
|
|
/**
|
|
* Private method for mailbox listing
|
|
*
|
|
* @param string $root Optional root folder
|
|
* @param string $name Optional name pattern
|
|
* @param mixed $filter Optional filter
|
|
*
|
|
* @return array List of mailboxes/folders
|
|
* @see rcube_imap::list_mailboxes()
|
|
* @access private
|
|
*/
|
|
private function _list_mailboxes($root='', $name='*', $filter=null)
|
|
{
|
|
$cache_key = $root.':'.$name;
|
|
if (!empty($filter)) {
|
|
$cache_key .= ':'.(is_string($filter) ? $filter : serialize($filter));
|
|
}
|
|
|
|
$cache_key = 'mailboxes.'.md5($cache_key);
|
|
|
|
// get cached folder list
|
|
$a_mboxes = $this->get_cache($cache_key);
|
|
if (is_array($a_mboxes)) {
|
|
return $a_mboxes;
|
|
}
|
|
|
|
$a_defaults = $a_out = array();
|
|
|
|
// Give plugins a chance to provide a list of mailboxes
|
|
$data = rcmail::get_instance()->plugins->exec_hook('mailboxes_list',
|
|
array('root' => $root, 'name' => $name, 'filter' => $filter, 'mode' => 'LSUB'));
|
|
|
|
if (isset($data['folders'])) {
|
|
$a_folders = $data['folders'];
|
|
}
|
|
else if (!$this->conn->connected()) {
|
|
return array();
|
|
}
|
|
else {
|
|
// Server supports LIST-EXTENDED, we can use selection options
|
|
$config = rcmail::get_instance()->config;
|
|
// #1486225: Some dovecot versions returns wrong result using LIST-EXTENDED
|
|
if (!$config->get('imap_force_lsub') && $this->get_capability('LIST-EXTENDED')) {
|
|
// This will also set mailbox options, LSUB doesn't do that
|
|
$a_folders = $this->conn->listMailboxes($root, $name,
|
|
NULL, array('SUBSCRIBED'));
|
|
|
|
// unsubscribe non-existent folders, remove from the list
|
|
if (is_array($a_folders) && $name == '*') {
|
|
foreach ($a_folders as $idx => $folder) {
|
|
if ($this->conn->data['LIST'] && ($opts = $this->conn->data['LIST'][$folder])
|
|
&& in_array('\\NonExistent', $opts)
|
|
) {
|
|
$this->conn->unsubscribe($folder);
|
|
unset($a_folders[$idx]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// retrieve list of folders from IMAP server using LSUB
|
|
else {
|
|
$a_folders = $this->conn->listSubscribed($root, $name);
|
|
|
|
// unsubscribe non-existent folders, remove from the list
|
|
if (is_array($a_folders) && $name == '*') {
|
|
foreach ($a_folders as $idx => $folder) {
|
|
if ($this->conn->data['LIST'] && ($opts = $this->conn->data['LIST'][$folder])
|
|
&& in_array('\\Noselect', $opts)
|
|
) {
|
|
// Some servers returns \Noselect for existing folders
|
|
if (!$this->mailbox_exists($folder)) {
|
|
$this->conn->unsubscribe($folder);
|
|
unset($a_folders[$idx]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!is_array($a_folders) || !sizeof($a_folders)) {
|
|
$a_folders = array();
|
|
}
|
|
|
|
// write mailboxlist to cache
|
|
$this->update_cache($cache_key, $a_folders);
|
|
|
|
return $a_folders;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get a list of all folders available on the IMAP server
|
|
*
|
|
* @param string $root IMAP root dir
|
|
* @param string $name Optional name pattern
|
|
* @param mixed $filter Optional filter
|
|
*
|
|
* @return array Indexed array with folder names
|
|
*/
|
|
function list_unsubscribed($root='', $name='*', $filter=null)
|
|
{
|
|
// @TODO: caching
|
|
// Give plugins a chance to provide a list of mailboxes
|
|
$data = rcmail::get_instance()->plugins->exec_hook('mailboxes_list',
|
|
array('root' => $root, 'name' => $name, 'filter' => $filter, 'mode' => 'LIST'));
|
|
|
|
if (isset($data['folders'])) {
|
|
$a_mboxes = $data['folders'];
|
|
}
|
|
else {
|
|
// retrieve list of folders from IMAP server
|
|
$a_mboxes = $this->conn->listMailboxes($root, $name);
|
|
}
|
|
|
|
if (!is_array($a_mboxes)) {
|
|
$a_mboxes = array();
|
|
}
|
|
|
|
// INBOX should always be available
|
|
if ((!$filter || $filter == 'mail') && !in_array('INBOX', $a_mboxes)) {
|
|
array_unshift($a_mboxes, 'INBOX');
|
|
}
|
|
|
|
// filter folders and sort them
|
|
$a_mboxes = $this->_sort_mailbox_list($a_mboxes);
|
|
|
|
return $a_mboxes;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get mailbox quota information
|
|
* added by Nuny
|
|
*
|
|
* @return mixed Quota info or False if not supported
|
|
*/
|
|
function get_quota()
|
|
{
|
|
if ($this->get_capability('QUOTA'))
|
|
return $this->conn->getQuota();
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get mailbox size (size of all messages in a mailbox)
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
*
|
|
* @return int Mailbox size in bytes, False on error
|
|
*/
|
|
function get_mailbox_size($mailbox)
|
|
{
|
|
// @TODO: could we try to use QUOTA here?
|
|
$result = $this->conn->fetchHeaderIndex($mailbox, '1:*', 'SIZE', false);
|
|
|
|
if (is_array($result))
|
|
$result = array_sum($result);
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Subscribe to a specific mailbox(es)
|
|
*
|
|
* @param array $a_mboxes Mailbox name(s)
|
|
* @return boolean True on success
|
|
*/
|
|
function subscribe($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 $a_mboxes Mailbox name(s)
|
|
* @return boolean True on success
|
|
*/
|
|
function unsubscribe($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 $mailbox New mailbox name
|
|
* @param boolean $subscribe True if the new mailbox should be subscribed
|
|
*
|
|
* @return boolean True on success
|
|
*/
|
|
function create_mailbox($mailbox, $subscribe=false)
|
|
{
|
|
$result = $this->conn->createFolder($mailbox);
|
|
|
|
// try to subscribe it
|
|
if ($result) {
|
|
// clear cache
|
|
$this->clear_cache('mailboxes', true);
|
|
|
|
if ($subscribe)
|
|
$this->subscribe($mailbox);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Set a new name to an existing mailbox
|
|
*
|
|
* @param string $mailbox Mailbox to rename
|
|
* @param string $new_name New mailbox name
|
|
*
|
|
* @return boolean True on success
|
|
*/
|
|
function rename_mailbox($mailbox, $new_name)
|
|
{
|
|
if (!strlen($new_name)) {
|
|
return false;
|
|
}
|
|
|
|
$delm = $this->get_hierarchy_delimiter();
|
|
|
|
// get list of subscribed folders
|
|
if ((strpos($mailbox, '%') === false) && (strpos($mailbox, '*') === false)) {
|
|
$a_subscribed = $this->_list_mailboxes('', $mailbox . $delm . '*');
|
|
$subscribed = $this->mailbox_exists($mailbox, true);
|
|
}
|
|
else {
|
|
$a_subscribed = $this->_list_mailboxes();
|
|
$subscribed = in_array($mailbox, $a_subscribed);
|
|
}
|
|
|
|
$result = $this->conn->renameFolder($mailbox, $new_name);
|
|
|
|
if ($result) {
|
|
// unsubscribe the old folder, subscribe the new one
|
|
if ($subscribed) {
|
|
$this->conn->unsubscribe($mailbox);
|
|
$this->conn->subscribe($new_name);
|
|
}
|
|
|
|
// check if mailbox children are subscribed
|
|
foreach ($a_subscribed as $c_subscribed) {
|
|
if (preg_match('/^'.preg_quote($mailbox.$delm, '/').'/', $c_subscribed)) {
|
|
$this->conn->unsubscribe($c_subscribed);
|
|
$this->conn->subscribe(preg_replace('/^'.preg_quote($mailbox, '/').'/',
|
|
$new_name, $c_subscribed));
|
|
|
|
// clear cache
|
|
$this->clear_message_cache($c_subscribed);
|
|
}
|
|
}
|
|
|
|
// clear cache
|
|
$this->clear_message_cache($mailbox);
|
|
$this->clear_cache('mailboxes', true);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Remove mailbox from server
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
*
|
|
* @return boolean True on success
|
|
*/
|
|
function delete_mailbox($mailbox)
|
|
{
|
|
$delm = $this->get_hierarchy_delimiter();
|
|
|
|
// get list of folders
|
|
if ((strpos($mailbox, '%') === false) && (strpos($mailbox, '*') === false))
|
|
$sub_mboxes = $this->list_unsubscribed('', $mailbox . $delm . '*');
|
|
else
|
|
$sub_mboxes = $this->list_unsubscribed();
|
|
|
|
// send delete command to server
|
|
$result = $this->conn->deleteFolder($mailbox);
|
|
|
|
if ($result) {
|
|
// unsubscribe mailbox
|
|
$this->conn->unsubscribe($mailbox);
|
|
|
|
foreach ($sub_mboxes as $c_mbox) {
|
|
if (preg_match('/^'.preg_quote($mailbox.$delm, '/').'/', $c_mbox)) {
|
|
$this->conn->unsubscribe($c_mbox);
|
|
if ($this->conn->deleteFolder($c_mbox)) {
|
|
$this->clear_message_cache($c_mbox);
|
|
}
|
|
}
|
|
}
|
|
|
|
// clear mailbox-related cache
|
|
$this->clear_message_cache($mailbox);
|
|
$this->clear_cache('mailboxes', true);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Create all folders specified as default
|
|
*/
|
|
function create_default_folders()
|
|
{
|
|
// create default folders if they do not exist
|
|
foreach ($this->default_folders as $folder) {
|
|
if (!$this->mailbox_exists($folder))
|
|
$this->create_mailbox($folder, true);
|
|
else if (!$this->mailbox_exists($folder, true))
|
|
$this->subscribe($folder);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Checks if folder exists and is subscribed
|
|
*
|
|
* @param string $mailbox Folder name
|
|
* @param boolean $subscription Enable subscription checking
|
|
*
|
|
* @return boolean TRUE or FALSE
|
|
*/
|
|
function mailbox_exists($mailbox, $subscription=false)
|
|
{
|
|
if ($mailbox == 'INBOX') {
|
|
return true;
|
|
}
|
|
|
|
$key = $subscription ? 'subscribed' : 'existing';
|
|
|
|
if (is_array($this->icache[$key]) && in_array($mailbox, $this->icache[$key]))
|
|
return true;
|
|
|
|
if ($subscription) {
|
|
$a_folders = $this->conn->listSubscribed('', $mailbox);
|
|
}
|
|
else {
|
|
$a_folders = $this->conn->listMailboxes('', $mailbox);
|
|
}
|
|
|
|
if (is_array($a_folders) && in_array($mailbox, $a_folders)) {
|
|
$this->icache[$key][] = $mailbox;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the namespace where the folder is in
|
|
*
|
|
* @param string $mailbox Folder name
|
|
*
|
|
* @return string One of 'personal', 'other' or 'shared'
|
|
* @access public
|
|
*/
|
|
function mailbox_namespace($mailbox)
|
|
{
|
|
if ($mailbox == 'INBOX') {
|
|
return 'personal';
|
|
}
|
|
|
|
foreach ($this->namespace as $type => $namespace) {
|
|
if (is_array($namespace)) {
|
|
foreach ($namespace as $ns) {
|
|
if (strlen($ns[0])) {
|
|
if ((strlen($ns[0])>1 && $mailbox == substr($ns[0], 0, -1))
|
|
|| strpos($mailbox, $ns[0]) === 0
|
|
) {
|
|
return $type;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 'personal';
|
|
}
|
|
|
|
|
|
/**
|
|
* Modify folder name according to namespace.
|
|
* For output it removes prefix of the personal namespace if it's possible.
|
|
* For input it adds the prefix. Use it before creating a folder in root
|
|
* of the folders tree.
|
|
*
|
|
* @param string $mailbox Folder name
|
|
* @param string $mode Mode name (out/in)
|
|
*
|
|
* @return string Folder name
|
|
*/
|
|
function mod_mailbox($mailbox, $mode = 'out')
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
return $mailbox;
|
|
}
|
|
|
|
$prefix = $this->namespace['prefix']; // see set_env()
|
|
$prefix_len = strlen($prefix);
|
|
|
|
if (!$prefix_len) {
|
|
return $mailbox;
|
|
}
|
|
|
|
// remove prefix for output
|
|
if ($mode == 'out') {
|
|
if (substr($mailbox, 0, $prefix_len) === $prefix) {
|
|
return substr($mailbox, $prefix_len);
|
|
}
|
|
}
|
|
// add prefix for input (e.g. folder creation)
|
|
else {
|
|
return $prefix . $mailbox;
|
|
}
|
|
|
|
return $mailbox;
|
|
}
|
|
|
|
|
|
/**
|
|
* Gets folder options from LIST response, e.g. \Noselect, \Noinferiors
|
|
*
|
|
* @param string $mailbox Folder name
|
|
* @param bool $force Set to True if options should be refreshed
|
|
* Options are available after LIST command only
|
|
*
|
|
* @return array Options list
|
|
*/
|
|
function mailbox_options($mailbox, $force=false)
|
|
{
|
|
if ($mailbox == 'INBOX') {
|
|
return array();
|
|
}
|
|
|
|
if (!is_array($this->conn->data['LIST']) || !is_array($this->conn->data['LIST'][$mailbox])) {
|
|
if ($force) {
|
|
$this->conn->listMailboxes('', $mailbox);
|
|
}
|
|
else {
|
|
return array();
|
|
}
|
|
}
|
|
|
|
$opts = $this->conn->data['LIST'][$mailbox];
|
|
|
|
return is_array($opts) ? $opts : array();
|
|
}
|
|
|
|
|
|
/**
|
|
* Gets connection (and current mailbox) data: UIDVALIDITY, EXISTS, RECENT,
|
|
* PERMANENTFLAGS, UIDNEXT, UNSEEN
|
|
*
|
|
* @param string $mailbox Folder name
|
|
*
|
|
* @return array Data
|
|
*/
|
|
function mailbox_data($mailbox)
|
|
{
|
|
if (!strlen($mailbox))
|
|
$mailbox = $this->mailbox !== null ? $this->mailbox : 'INBOX';
|
|
|
|
if ($this->conn->selected != $mailbox) {
|
|
if ($this->conn->select($mailbox))
|
|
$this->mailbox = $mailbox;
|
|
else
|
|
return null;
|
|
}
|
|
|
|
$data = $this->conn->data;
|
|
|
|
// add (E)SEARCH result for ALL UNDELETED query
|
|
if (!empty($this->icache['undeleted_idx']) && $this->icache['undeleted_idx'][0] == $mailbox) {
|
|
$data['ALL_UNDELETED'] = $this->icache['undeleted_idx'][1];
|
|
$data['COUNT_UNDELETED'] = $this->icache['undeleted_idx'][2];
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns extended information about the folder
|
|
*
|
|
* @param string $mailbox Folder name
|
|
*
|
|
* @return array Data
|
|
*/
|
|
function mailbox_info($mailbox)
|
|
{
|
|
if ($this->icache['options'] && $this->icache['options']['name'] == $mailbox) {
|
|
return $this->icache['options'];
|
|
}
|
|
|
|
$acl = $this->get_capability('ACL');
|
|
$namespace = $this->get_namespace();
|
|
$options = array();
|
|
|
|
// check if the folder is a namespace prefix
|
|
if (!empty($namespace)) {
|
|
$mbox = $mailbox . $this->delimiter;
|
|
foreach ($namespace as $ns) {
|
|
if (!empty($ns)) {
|
|
foreach ($ns as $item) {
|
|
if ($item[0] === $mbox) {
|
|
$options['is_root'] = true;
|
|
break 2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// check if the folder is other user virtual-root
|
|
if (!$options['is_root'] && !empty($namespace) && !empty($namespace['other'])) {
|
|
$parts = explode($this->delimiter, $mailbox);
|
|
if (count($parts) == 2) {
|
|
$mbox = $parts[0] . $this->delimiter;
|
|
foreach ($namespace['other'] as $item) {
|
|
if ($item[0] === $mbox) {
|
|
$options['is_root'] = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$options['name'] = $mailbox;
|
|
$options['options'] = $this->mailbox_options($mailbox, true);
|
|
$options['namespace'] = $this->mailbox_namespace($mailbox);
|
|
$options['rights'] = $acl && !$options['is_root'] ? (array)$this->my_rights($mailbox) : array();
|
|
$options['special'] = in_array($mailbox, $this->default_folders);
|
|
|
|
// Set 'noselect' and 'norename' flags
|
|
if (is_array($options['options'])) {
|
|
foreach ($options['options'] as $opt) {
|
|
$opt = strtolower($opt);
|
|
if ($opt == '\noselect' || $opt == '\nonexistent') {
|
|
$options['noselect'] = true;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
$options['noselect'] = true;
|
|
}
|
|
|
|
if (!empty($options['rights'])) {
|
|
$options['norename'] = !in_array('x', $options['rights']) && !in_array('d', $options['rights']);
|
|
|
|
if (!$options['noselect']) {
|
|
$options['noselect'] = !in_array('r', $options['rights']);
|
|
}
|
|
}
|
|
else {
|
|
$options['norename'] = $options['is_root'] || $options['namespace'] != 'personal';
|
|
}
|
|
|
|
$this->icache['options'] = $options;
|
|
|
|
return $options;
|
|
}
|
|
|
|
|
|
/**
|
|
* Synchronizes messages cache.
|
|
*
|
|
* @param string $mailbox Folder name
|
|
*/
|
|
public function mailbox_sync($mailbox)
|
|
{
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
$mcache->synchronize($mailbox);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Get message header names for rcube_imap_generic::fetchHeader(s)
|
|
*
|
|
* @return string Space-separated list of header names
|
|
*/
|
|
private function get_fetch_headers()
|
|
{
|
|
$headers = explode(' ', $this->fetch_add_headers);
|
|
$headers = array_map('strtoupper', $headers);
|
|
|
|
if ($this->messages_caching || $this->get_all_headers)
|
|
$headers = array_merge($headers, $this->all_headers);
|
|
|
|
return implode(' ', array_unique($headers));
|
|
}
|
|
|
|
|
|
/* -----------------------------------------
|
|
* ACL and METADATA/ANNOTATEMORE methods
|
|
* ----------------------------------------*/
|
|
|
|
/**
|
|
* Changes the ACL on the specified mailbox (SETACL)
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param string $user User name
|
|
* @param string $acl ACL string
|
|
*
|
|
* @return boolean True on success, False on failure
|
|
*
|
|
* @access public
|
|
* @since 0.5-beta
|
|
*/
|
|
function set_acl($mailbox, $user, $acl)
|
|
{
|
|
if ($this->get_capability('ACL'))
|
|
return $this->conn->setACL($mailbox, $user, $acl);
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Removes any <identifier,rights> pair for the
|
|
* specified user from the ACL for the specified
|
|
* mailbox (DELETEACL)
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param string $user User name
|
|
*
|
|
* @return boolean True on success, False on failure
|
|
*
|
|
* @access public
|
|
* @since 0.5-beta
|
|
*/
|
|
function delete_acl($mailbox, $user)
|
|
{
|
|
if ($this->get_capability('ACL'))
|
|
return $this->conn->deleteACL($mailbox, $user);
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the access control list for mailbox (GETACL)
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
*
|
|
* @return array User-rights array on success, NULL on error
|
|
* @access public
|
|
* @since 0.5-beta
|
|
*/
|
|
function get_acl($mailbox)
|
|
{
|
|
if ($this->get_capability('ACL'))
|
|
return $this->conn->getACL($mailbox);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns information about what rights can be granted to the
|
|
* user (identifier) in the ACL for the mailbox (LISTRIGHTS)
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
* @param string $user User name
|
|
*
|
|
* @return array List of user rights
|
|
* @access public
|
|
* @since 0.5-beta
|
|
*/
|
|
function list_rights($mailbox, $user)
|
|
{
|
|
if ($this->get_capability('ACL'))
|
|
return $this->conn->listRights($mailbox, $user);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the set of rights that the current user has to
|
|
* mailbox (MYRIGHTS)
|
|
*
|
|
* @param string $mailbox Mailbox name
|
|
*
|
|
* @return array MYRIGHTS response on success, NULL on error
|
|
* @access public
|
|
* @since 0.5-beta
|
|
*/
|
|
function my_rights($mailbox)
|
|
{
|
|
if ($this->get_capability('ACL'))
|
|
return $this->conn->myRights($mailbox);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**
|
|
* Sets IMAP metadata/annotations (SETMETADATA/SETANNOTATION)
|
|
*
|
|
* @param string $mailbox Mailbox name (empty for server metadata)
|
|
* @param array $entries Entry-value array (use NULL value as NIL)
|
|
*
|
|
* @return boolean True on success, False on failure
|
|
* @access public
|
|
* @since 0.5-beta
|
|
*/
|
|
function set_metadata($mailbox, $entries)
|
|
{
|
|
if ($this->get_capability('METADATA') ||
|
|
(!strlen($mailbox) && $this->get_capability('METADATA-SERVER'))
|
|
) {
|
|
return $this->conn->setMetadata($mailbox, $entries);
|
|
}
|
|
else if ($this->get_capability('ANNOTATEMORE') || $this->get_capability('ANNOTATEMORE2')) {
|
|
foreach ((array)$entries as $entry => $value) {
|
|
list($ent, $attr) = $this->md2annotate($entry);
|
|
$entries[$entry] = array($ent, $attr, $value);
|
|
}
|
|
return $this->conn->setAnnotation($mailbox, $entries);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Unsets IMAP metadata/annotations (SETMETADATA/SETANNOTATION)
|
|
*
|
|
* @param string $mailbox Mailbox name (empty for server metadata)
|
|
* @param array $entries Entry names array
|
|
*
|
|
* @return boolean True on success, False on failure
|
|
*
|
|
* @access public
|
|
* @since 0.5-beta
|
|
*/
|
|
function delete_metadata($mailbox, $entries)
|
|
{
|
|
if ($this->get_capability('METADATA') ||
|
|
(!strlen($mailbox) && $this->get_capability('METADATA-SERVER'))
|
|
) {
|
|
return $this->conn->deleteMetadata($mailbox, $entries);
|
|
}
|
|
else if ($this->get_capability('ANNOTATEMORE') || $this->get_capability('ANNOTATEMORE2')) {
|
|
foreach ((array)$entries as $idx => $entry) {
|
|
list($ent, $attr) = $this->md2annotate($entry);
|
|
$entries[$idx] = array($ent, $attr, NULL);
|
|
}
|
|
return $this->conn->setAnnotation($mailbox, $entries);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns IMAP metadata/annotations (GETMETADATA/GETANNOTATION)
|
|
*
|
|
* @param string $mailbox Mailbox name (empty for server metadata)
|
|
* @param array $entries Entries
|
|
* @param array $options Command options (with MAXSIZE and DEPTH keys)
|
|
*
|
|
* @return array Metadata entry-value hash array on success, NULL on error
|
|
*
|
|
* @access public
|
|
* @since 0.5-beta
|
|
*/
|
|
function get_metadata($mailbox, $entries, $options=array())
|
|
{
|
|
if ($this->get_capability('METADATA') ||
|
|
(!strlen($mailbox) && $this->get_capability('METADATA-SERVER'))
|
|
) {
|
|
return $this->conn->getMetadata($mailbox, $entries, $options);
|
|
}
|
|
else if ($this->get_capability('ANNOTATEMORE') || $this->get_capability('ANNOTATEMORE2')) {
|
|
$queries = array();
|
|
$res = array();
|
|
|
|
// Convert entry names
|
|
foreach ((array)$entries as $entry) {
|
|
list($ent, $attr) = $this->md2annotate($entry);
|
|
$queries[$attr][] = $ent;
|
|
}
|
|
|
|
// @TODO: Honor MAXSIZE and DEPTH options
|
|
foreach ($queries as $attrib => $entry)
|
|
if ($result = $this->conn->getAnnotation($mailbox, $entry, $attrib))
|
|
$res = array_merge($res, $result);
|
|
|
|
return $res;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**
|
|
* Converts the METADATA extension entry name into the correct
|
|
* entry-attrib names for older ANNOTATEMORE version.
|
|
*
|
|
* @param string $entry Entry name
|
|
*
|
|
* @return array Entry-attribute list, NULL if not supported (?)
|
|
*/
|
|
private function md2annotate($entry)
|
|
{
|
|
if (substr($entry, 0, 7) == '/shared') {
|
|
return array(substr($entry, 7), 'value.shared');
|
|
}
|
|
else if (substr($entry, 0, 8) == '/private') {
|
|
return array(substr($entry, 8), 'value.priv');
|
|
}
|
|
|
|
// @TODO: log error
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/* --------------------------------
|
|
* internal caching methods
|
|
* --------------------------------*/
|
|
|
|
/**
|
|
* Enable or disable indexes caching
|
|
*
|
|
* @param string $type Cache type (@see rcmail::get_cache)
|
|
* @access public
|
|
*/
|
|
function set_caching($type)
|
|
{
|
|
if ($type) {
|
|
$this->caching = $type;
|
|
}
|
|
else {
|
|
if ($this->cache)
|
|
$this->cache->close();
|
|
$this->cache = null;
|
|
$this->caching = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Getter for IMAP cache object
|
|
*/
|
|
private function get_cache_engine()
|
|
{
|
|
if ($this->caching && !$this->cache) {
|
|
$rcmail = rcmail::get_instance();
|
|
$this->cache = $rcmail->get_cache('IMAP', $this->caching);
|
|
}
|
|
|
|
return $this->cache;
|
|
}
|
|
|
|
/**
|
|
* Returns cached value
|
|
*
|
|
* @param string $key Cache key
|
|
* @return mixed
|
|
* @access public
|
|
*/
|
|
function get_cache($key)
|
|
{
|
|
if ($cache = $this->get_cache_engine()) {
|
|
return $cache->get($key);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update cache
|
|
*
|
|
* @param string $key Cache key
|
|
* @param mixed $data Data
|
|
* @access public
|
|
*/
|
|
function update_cache($key, $data)
|
|
{
|
|
if ($cache = $this->get_cache_engine()) {
|
|
$cache->set($key, $data);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clears the cache.
|
|
*
|
|
* @param string $key Cache key name or pattern
|
|
* @param boolean $prefix_mode Enable it to clear all keys starting
|
|
* with prefix specified in $key
|
|
* @access public
|
|
*/
|
|
function clear_cache($key=null, $prefix_mode=false)
|
|
{
|
|
if ($cache = $this->get_cache_engine()) {
|
|
$cache->remove($key, $prefix_mode);
|
|
}
|
|
}
|
|
|
|
|
|
/* --------------------------------
|
|
* message caching methods
|
|
* --------------------------------*/
|
|
|
|
/**
|
|
* Enable or disable messages caching
|
|
*
|
|
* @param boolean $set Flag
|
|
*/
|
|
function set_messages_caching($set)
|
|
{
|
|
if ($set) {
|
|
$this->messages_caching = true;
|
|
}
|
|
else {
|
|
if ($this->mcache)
|
|
$this->mcache->close();
|
|
$this->mcache = null;
|
|
$this->messages_caching = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Getter for messages cache object
|
|
*/
|
|
private function get_mcache_engine()
|
|
{
|
|
if ($this->messages_caching && !$this->mcache) {
|
|
$rcmail = rcmail::get_instance();
|
|
if ($dbh = $rcmail->get_dbh()) {
|
|
$this->mcache = new rcube_imap_cache(
|
|
$dbh, $this, $rcmail->user->ID, $this->skip_deleted);
|
|
}
|
|
}
|
|
|
|
return $this->mcache;
|
|
}
|
|
|
|
/**
|
|
* Clears the messages cache.
|
|
*
|
|
* @param string $mailbox Folder name
|
|
* @param array $uids Optional message UIDs to remove from cache
|
|
*/
|
|
function clear_message_cache($mailbox = null, $uids = null)
|
|
{
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
$mcache->clear($mailbox, $uids);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/* --------------------------------
|
|
* encoding/decoding methods
|
|
* --------------------------------*/
|
|
|
|
/**
|
|
* Split an address list into a structured array list
|
|
*
|
|
* @param string $input Input string
|
|
* @param int $max List only this number of addresses
|
|
* @param boolean $decode Decode address strings
|
|
* @return array Indexed list of addresses
|
|
*/
|
|
function decode_address_list($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++;
|
|
$address = trim($val['address']);
|
|
$name = trim($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 $input Header value
|
|
* @param boolean $remove_quotas Remove quotes if necessary
|
|
* @return string Decoded string
|
|
*/
|
|
function decode_header($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 $input Header value
|
|
* @param string $fallback Fallback charset if none specified
|
|
*
|
|
* @return string Decoded string
|
|
* @static
|
|
*/
|
|
public static function decode_mime_string($input, $fallback=null)
|
|
{
|
|
if (!empty($fallback)) {
|
|
$default_charset = $fallback;
|
|
}
|
|
else {
|
|
$default_charset = rcmail::get_instance()->config->get('default_charset', 'ISO-8859-1');
|
|
}
|
|
|
|
// 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);
|
|
|
|
// encoded-word regexp
|
|
$re = '/=\?([^?]+)\?([BbQq])\?([^?\n]*)\?=/';
|
|
|
|
// Find all RFC2047's encoded words
|
|
if (preg_match_all($re, $input, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) {
|
|
// Initialize variables
|
|
$tmp = array();
|
|
$out = '';
|
|
$start = 0;
|
|
|
|
foreach ($matches as $idx => $m) {
|
|
$pos = $m[0][1];
|
|
$charset = $m[1][0];
|
|
$encoding = $m[2][0];
|
|
$text = $m[3][0];
|
|
$length = strlen($m[0][0]);
|
|
|
|
// Append everything that is before the text to be decoded
|
|
if ($start != $pos) {
|
|
$substr = substr($input, $start, $pos-$start);
|
|
$out .= rcube_charset_convert($substr, $default_charset);
|
|
$start = $pos;
|
|
}
|
|
$start += $length;
|
|
|
|
// Per RFC2047, each string part "MUST represent an integral number
|
|
// of characters . A multi-octet character may not be split across
|
|
// adjacent encoded-words." However, some mailers break this, so we
|
|
// try to handle characters spanned across parts anyway by iterating
|
|
// through and aggregating sequential encoded parts with the same
|
|
// character set and encoding, then perform the decoding on the
|
|
// aggregation as a whole.
|
|
|
|
$tmp[] = $text;
|
|
if ($next_match = $matches[$idx+1]) {
|
|
if ($next_match[0][1] == $start
|
|
&& $next_match[1][0] == $charset
|
|
&& $next_match[2][0] == $encoding
|
|
) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
$count = count($tmp);
|
|
$text = '';
|
|
|
|
// Decode and join encoded-word's chunks
|
|
if ($encoding == 'B' || $encoding == 'b') {
|
|
// base64 must be decoded a segment at a time
|
|
for ($i=0; $i<$count; $i++)
|
|
$text .= base64_decode($tmp[$i]);
|
|
}
|
|
else { //if ($encoding == 'Q' || $encoding == 'q') {
|
|
// quoted printable can be combined and processed at once
|
|
for ($i=0; $i<$count; $i++)
|
|
$text .= $tmp[$i];
|
|
|
|
$text = str_replace('_', ' ', $text);
|
|
$text = quoted_printable_decode($text);
|
|
}
|
|
|
|
$out .= rcube_charset_convert($text, $charset);
|
|
$tmp = array();
|
|
}
|
|
|
|
// add the last part of the input string
|
|
if ($start != strlen($input)) {
|
|
$out .= rcube_charset_convert(substr($input, $start), $default_charset);
|
|
}
|
|
|
|
// return the results
|
|
return $out;
|
|
}
|
|
|
|
// no encoding information, use fallback
|
|
return rcube_charset_convert($input, $default_charset);
|
|
}
|
|
|
|
|
|
/**
|
|
* Decode a mime part
|
|
*
|
|
* @param string $input Input string
|
|
* @param string $encoding Part encoding
|
|
* @return string Decoded string
|
|
*/
|
|
function mime_decode($input, $encoding='7bit')
|
|
{
|
|
switch (strtolower($encoding)) {
|
|
case 'quoted-printable':
|
|
return quoted_printable_decode($input);
|
|
case 'base64':
|
|
return base64_decode($input);
|
|
case 'x-uuencode':
|
|
case 'x-uue':
|
|
case 'uue':
|
|
case 'uuencode':
|
|
return convert_uudecode($input);
|
|
case '7bit':
|
|
default:
|
|
return $input;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Convert body charset to RCMAIL_CHARSET according to the ctype_parameters
|
|
*
|
|
* @param string $body Part body to decode
|
|
* @param string $ctype_param Charset to convert from
|
|
* @return string Content converted to internal charset
|
|
*/
|
|
function charset_decode($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);
|
|
}
|
|
|
|
|
|
/* --------------------------------
|
|
* private methods
|
|
* --------------------------------*/
|
|
|
|
/**
|
|
* Validate the given input and save to local properties
|
|
*
|
|
* @param string $sort_field Sort column
|
|
* @param string $sort_order Sort order
|
|
* @access private
|
|
*/
|
|
private function _set_sort_order($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
|
|
*
|
|
* @param array $a_folders Mailboxes list
|
|
* @access private
|
|
*/
|
|
private function _sort_mailbox_list($a_folders)
|
|
{
|
|
$a_out = $a_defaults = $folders = array();
|
|
|
|
$delimiter = $this->get_hierarchy_delimiter();
|
|
|
|
// find default folders and skip folders starting with '.'
|
|
foreach ($a_folders as $i => $folder) {
|
|
if ($folder[0] == '.')
|
|
continue;
|
|
|
|
if (($p = array_search($folder, $this->default_folders)) !== false && !$a_defaults[$p])
|
|
$a_defaults[$p] = $folder;
|
|
else
|
|
$folders[$folder] = rcube_charset_convert($folder, 'UTF7-IMAP');
|
|
}
|
|
|
|
// sort folders and place defaults on the top
|
|
asort($folders, SORT_LOCALE_STRING);
|
|
ksort($a_defaults);
|
|
$folders = array_merge($a_defaults, array_keys($folders));
|
|
|
|
// finally we must rebuild the list to move
|
|
// subfolders of default folders to their place...
|
|
// ...also do this for the rest of folders because
|
|
// asort() is not properly sorting case sensitive names
|
|
while (list($key, $folder) = each($folders)) {
|
|
// set the type of folder name variable (#1485527)
|
|
$a_out[] = (string) $folder;
|
|
unset($folders[$key]);
|
|
$this->_rsort($folder, $delimiter, $folders, $a_out);
|
|
}
|
|
|
|
return $a_out;
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
private function _rsort($folder, $delimiter, &$list, &$out)
|
|
{
|
|
while (list($key, $name) = each($list)) {
|
|
if (strpos($name, $folder.$delimiter) === 0) {
|
|
// set the type of folder name variable (#1485527)
|
|
$out[] = (string) $name;
|
|
unset($list[$key]);
|
|
$this->_rsort($name, $delimiter, $list, $out);
|
|
}
|
|
}
|
|
reset($list);
|
|
}
|
|
|
|
|
|
/**
|
|
* Finds message sequence ID for specified UID
|
|
*
|
|
* @param int $uid Message UID
|
|
* @param string $mailbox Mailbox name
|
|
* @param bool $force True to skip cache
|
|
*
|
|
* @return int Message (sequence) ID
|
|
*/
|
|
function uid2id($uid, $mailbox = null, $force = false)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
if (!empty($this->uid_id_map[$mailbox][$uid])) {
|
|
return $this->uid_id_map[$mailbox][$uid];
|
|
}
|
|
|
|
if (!$force && ($mcache = $this->get_mcache_engine()))
|
|
$id = $mcache->uid2id($mailbox, $uid);
|
|
|
|
if (empty($id))
|
|
$id = $this->conn->UID2ID($mailbox, $uid);
|
|
|
|
$this->uid_id_map[$mailbox][$uid] = $id;
|
|
|
|
return $id;
|
|
}
|
|
|
|
|
|
/**
|
|
* Find UID of the specified message sequence ID
|
|
*
|
|
* @param int $id Message (sequence) ID
|
|
* @param string $mailbox Mailbox name
|
|
* @param bool $force True to skip cache
|
|
*
|
|
* @return int Message UID
|
|
*/
|
|
function id2uid($id, $mailbox = null, $force = false)
|
|
{
|
|
if (!strlen($mailbox)) {
|
|
$mailbox = $this->mailbox;
|
|
}
|
|
|
|
if ($uid = array_search($id, (array)$this->uid_id_map[$mailbox])) {
|
|
return $uid;
|
|
}
|
|
|
|
if (!$force && ($mcache = $this->get_mcache_engine()))
|
|
$uid = $mcache->id2uid($mailbox, $id);
|
|
|
|
if (empty($uid))
|
|
$uid = $this->conn->ID2UID($mailbox, $id);
|
|
|
|
$this->uid_id_map[$mailbox][$uid] = $id;
|
|
|
|
return $uid;
|
|
}
|
|
|
|
|
|
/**
|
|
* Subscribe/unsubscribe a list of mailboxes and update local cache
|
|
* @access private
|
|
*/
|
|
private function _change_subscription($a_mboxes, $mode)
|
|
{
|
|
$updated = false;
|
|
|
|
if (is_array($a_mboxes))
|
|
foreach ($a_mboxes as $i => $mailbox) {
|
|
$a_mboxes[$i] = $mailbox;
|
|
|
|
if ($mode == 'subscribe')
|
|
$updated = $this->conn->subscribe($mailbox);
|
|
else if ($mode == 'unsubscribe')
|
|
$updated = $this->conn->unsubscribe($mailbox);
|
|
}
|
|
|
|
// clear cached mailbox list(s)
|
|
if ($updated) {
|
|
$this->clear_cache('mailboxes', true);
|
|
}
|
|
|
|
return $updated;
|
|
}
|
|
|
|
|
|
/**
|
|
* Increde/decrese messagecount for a specific mailbox
|
|
* @access private
|
|
*/
|
|
private function _set_messagecount($mailbox, $mode, $increment)
|
|
{
|
|
$mode = strtoupper($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', $a_mailbox_cache);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Remove messagecount of a specific mailbox from cache
|
|
* @access private
|
|
*/
|
|
private function _clear_messagecount($mailbox, $mode=null)
|
|
{
|
|
$a_mailbox_cache = $this->get_cache('messagecount');
|
|
|
|
if (is_array($a_mailbox_cache[$mailbox])) {
|
|
if ($mode) {
|
|
unset($a_mailbox_cache[$mailbox][$mode]);
|
|
}
|
|
else {
|
|
unset($a_mailbox_cache[$mailbox]);
|
|
}
|
|
$this->update_cache('messagecount', $a_mailbox_cache);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Split RFC822 header string into an associative array
|
|
* @access private
|
|
*/
|
|
private function _parse_headers($headers)
|
|
{
|
|
$a_headers = array();
|
|
$headers = preg_replace('/\r?\n(\t| )+/', ' ', $headers);
|
|
$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 $a_headers;
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
private function _parse_address_list($str, $decode=true)
|
|
{
|
|
// remove any newlines and carriage returns before
|
|
$str = preg_replace('/\r?\n(\s|\t)?/', ' ', $str);
|
|
|
|
// extract list items, remove comments
|
|
$str = self::explode_header_string(',;', $str, true);
|
|
$result = array();
|
|
|
|
// simplified regexp, supporting quoted local part
|
|
$email_rx = '(\S+|("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+"))@\S+';
|
|
|
|
foreach ($str as $key => $val) {
|
|
$name = '';
|
|
$address = '';
|
|
$val = trim($val);
|
|
|
|
if (preg_match('/(.*)<('.$email_rx.')>$/', $val, $m)) {
|
|
$address = $m[2];
|
|
$name = trim($m[1]);
|
|
}
|
|
else if (preg_match('/^('.$email_rx.')$/', $val, $m)) {
|
|
$address = $m[1];
|
|
$name = '';
|
|
}
|
|
else {
|
|
$name = $val;
|
|
}
|
|
|
|
// dequote and/or decode name
|
|
if ($name) {
|
|
if ($name[0] == '"' && $name[strlen($name)-1] == '"') {
|
|
$name = substr($name, 1, -1);
|
|
$name = stripslashes($name);
|
|
}
|
|
if ($decode) {
|
|
$name = $this->decode_header($name);
|
|
}
|
|
}
|
|
|
|
if (!$address && $name) {
|
|
$address = $name;
|
|
}
|
|
|
|
if ($address) {
|
|
$result[$key] = array('name' => $name, 'address' => $address);
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Explodes header (e.g. address-list) string into array of strings
|
|
* using specified separator characters with proper handling
|
|
* of quoted-strings and comments (RFC2822)
|
|
*
|
|
* @param string $separator String containing separator characters
|
|
* @param string $str Header string
|
|
* @param bool $remove_comments Enable to remove comments
|
|
*
|
|
* @return array Header items
|
|
*/
|
|
static function explode_header_string($separator, $str, $remove_comments=false)
|
|
{
|
|
$length = strlen($str);
|
|
$result = array();
|
|
$quoted = false;
|
|
$comment = 0;
|
|
$out = '';
|
|
|
|
for ($i=0; $i<$length; $i++) {
|
|
// we're inside a quoted string
|
|
if ($quoted) {
|
|
if ($str[$i] == '"') {
|
|
$quoted = false;
|
|
}
|
|
else if ($str[$i] == '\\') {
|
|
if ($comment <= 0) {
|
|
$out .= '\\';
|
|
}
|
|
$i++;
|
|
}
|
|
}
|
|
// we're inside a comment string
|
|
else if ($comment > 0) {
|
|
if ($str[$i] == ')') {
|
|
$comment--;
|
|
}
|
|
else if ($str[$i] == '(') {
|
|
$comment++;
|
|
}
|
|
else if ($str[$i] == '\\') {
|
|
$i++;
|
|
}
|
|
continue;
|
|
}
|
|
// separator, add to result array
|
|
else if (strpos($separator, $str[$i]) !== false) {
|
|
if ($out) {
|
|
$result[] = $out;
|
|
}
|
|
$out = '';
|
|
continue;
|
|
}
|
|
// start of quoted string
|
|
else if ($str[$i] == '"') {
|
|
$quoted = true;
|
|
}
|
|
// start of comment
|
|
else if ($remove_comments && $str[$i] == '(') {
|
|
$comment++;
|
|
}
|
|
|
|
if ($comment <= 0) {
|
|
$out .= $str[$i];
|
|
}
|
|
}
|
|
|
|
if ($out && $comment <= 0) {
|
|
$result[] = $out;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* This is our own debug handler for the IMAP connection
|
|
* @access public
|
|
*/
|
|
public function debug_handler(&$imap, $message)
|
|
{
|
|
write_log('imap', $message);
|
|
}
|
|
|
|
} // 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 $ctype_parameters = array();
|
|
|
|
function __clone()
|
|
{
|
|
if (isset($this->parts))
|
|
foreach ($this->parts as $idx => $part)
|
|
if (is_object($part))
|
|
$this->parts[$idx] = clone $part;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Class for sorting an array of rcube_mail_header objects in a predetermined order.
|
|
*
|
|
* @package Mail
|
|
* @author Eric Stadtherr
|
|
*/
|
|
class rcube_header_sorter
|
|
{
|
|
private $seqs = array();
|
|
private $uids = array();
|
|
|
|
|
|
/**
|
|
* Set the predetermined sort order.
|
|
*
|
|
* @param array $index Numerically indexed array of IMAP ID or UIDs
|
|
* @param bool $is_uid Set to true if $index contains UIDs
|
|
*/
|
|
function set_index($index, $is_uid = false)
|
|
{
|
|
$index = array_flip($index);
|
|
|
|
if ($is_uid)
|
|
$this->uids = $index;
|
|
else
|
|
$this->seqs = $index;
|
|
}
|
|
|
|
/**
|
|
* Sort the array of header objects
|
|
*
|
|
* @param array $headers Array of rcube_mail_header objects indexed by UID
|
|
*/
|
|
function sort_headers(&$headers)
|
|
{
|
|
if (!empty($this->uids))
|
|
uksort($headers, array($this, "compare_uids"));
|
|
else
|
|
uasort($headers, array($this, "compare_seqnums"));
|
|
}
|
|
|
|
/**
|
|
* Sort method called by uasort()
|
|
*
|
|
* @param rcube_mail_header $a
|
|
* @param rcube_mail_header $b
|
|
*/
|
|
function compare_seqnums($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
|
|
$posa = isset($this->seqs[$seqa]) ? intval($this->seqs[$seqa]) : -1;
|
|
$posb = isset($this->seqs[$seqb]) ? intval($this->seqs[$seqb]) : -1;
|
|
|
|
// return the relative position as the comparison value
|
|
return $posa - $posb;
|
|
}
|
|
|
|
/**
|
|
* Sort method called by uksort()
|
|
*
|
|
* @param int $a Array key (UID)
|
|
* @param int $b Array key (UID)
|
|
*/
|
|
function compare_uids($a, $b)
|
|
{
|
|
// then find each sequence number in my ordered list
|
|
$posa = isset($this->uids[$a]) ? intval($this->uids[$a]) : -1;
|
|
$posb = isset($this->uids[$b]) ? intval($this->uids[$b]) : -1;
|
|
|
|
// return the relative position as the comparison value
|
|
return $posa - $posb;
|
|
}
|
|
}
|