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4362 lines
137 KiB
PHP
4362 lines
137 KiB
PHP
<?php
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/**
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+-----------------------------------------------------------------------+
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| This file is part of the Roundcube Webmail client |
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| Copyright (C) 2005-2012, The Roundcube Dev Team |
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| Copyright (C) 2011-2012, Kolab Systems AG |
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| |
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| Licensed under the GNU General Public License version 3 or |
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| any later version with exceptions for skins & plugins. |
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| See the README file for a full license statement. |
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| |
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| PURPOSE: |
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| IMAP Storage 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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*/
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/**
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* Interface class for accessing an IMAP server
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*
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* @package Framework
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* @subpackage Storage
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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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class rcube_imap extends rcube_storage
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{
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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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protected $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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protected $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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protected $icache = array();
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protected $plugins;
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protected $delimiter;
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protected $namespace;
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protected $sort_field = '';
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protected $sort_order = 'DESC';
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protected $struct_charset;
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protected $search_set;
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protected $search_string = '';
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protected $search_charset = '';
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protected $search_sort_field = '';
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protected $search_threads = false;
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protected $search_sorted = false;
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protected $options = array('auth_type' => 'check');
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protected $caching = false;
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protected $messages_caching = false;
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protected $threading = false;
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/**
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* Object constructor.
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*/
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public function __construct()
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{
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$this->conn = new rcube_imap_generic();
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$this->plugins = rcube::get_instance()->plugins;
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// Set namespace and delimiter from session,
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// so some methods would work before connection
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if (isset($_SESSION['imap_namespace'])) {
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$this->namespace = $_SESSION['imap_namespace'];
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}
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if (isset($_SESSION['imap_delimiter'])) {
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$this->delimiter = $_SESSION['imap_delimiter'];
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}
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}
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/**
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* Magic getter for backward compat.
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*
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* @deprecated.
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*/
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public function __get($name)
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{
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if (isset($this->{$name})) {
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return $this->{$name};
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}
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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 $use_ssl SSL schema (either ssl or tls) or null if plain connection
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*
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* @return boolean True on success, False on failure
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*/
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public function connect($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' : $use_ssl;
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}
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else if ($use_ssl) {
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rcube::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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$this->set_debug(true);
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$this->options['ident'] = array(
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'name' => 'Roundcube',
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'version' => RCUBE_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 = $this->plugins->exec_hook('storage_connect',
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array_merge($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 = $data['pass'];
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}
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$this->conn->connect($data['host'], $data['user'], $pass, $data);
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} while(!$this->conn->connected() && $data['retry']);
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$config = array(
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'host' => $data['host'],
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'user' => $data['user'],
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'password' => $pass,
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'port' => $port,
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'ssl' => $use_ssl,
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);
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$this->options = array_merge($this->options, $config);
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$this->connect_done = true;
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if ($this->conn->connected()) {
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// check for session identifier
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$session = null;
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if (preg_match('/\s+SESSIONID=([^=\s]+)/', $this->conn->result, $m)) {
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$session = $m[1];
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}
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// get namespace and delimiter
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$this->set_env();
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// trigger post-connect hook
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$this->plugins->exec_hook('storage_connected', array(
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'host' => $host, 'user' => $user, 'session' => $session
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));
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return true;
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}
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// write error log
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else if ($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, rcube_utils::remote_ip(), $this->conn->error);
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rcube::raise_error(array('code' => 403, 'type' => 'imap',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => $message), true, false);
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}
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}
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return false;
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}
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/**
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* Close IMAP connection.
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* Usually done on script shutdown
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*/
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public function close()
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{
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$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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/**
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* Check connection state, connect if not connected.
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*
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* @return bool Connection state.
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*/
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public function check_connection()
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{
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// Establish connection if it wasn't done yet
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if (!$this->connect_done && !empty($this->options['user'])) {
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return $this->connect(
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$this->options['host'],
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$this->options['user'],
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$this->options['password'],
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$this->options['port'],
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$this->options['ssl']
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);
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}
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return $this->is_connected();
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}
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/**
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* Checks IMAP connection.
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*
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* @return boolean TRUE on success, FALSE on failure
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*/
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public function is_connected()
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{
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return $this->conn->connected();
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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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public 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 text of last error
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*
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* @return string Error string
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*/
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public function get_error_str()
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{
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return $this->conn->error;
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}
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/**
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* Returns code of last command response
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*
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* @return int Response code
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*/
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public function get_response_code()
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{
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switch ($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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* Activate/deactivate debug mode
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*
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* @param boolean $dbg True if IMAP conversation should be logged
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*/
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public function set_debug($dbg = true)
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{
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$this->options['debug'] = $dbg;
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$this->conn->setDebug($dbg, array($this, 'debug_handler'));
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}
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/**
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* Set internal folder reference.
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* All operations will be perfomed on this folder.
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*
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* @param string $folder Folder name
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*/
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public function set_folder($folder)
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{
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$this->folder = $folder;
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}
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/**
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* Save a search result for future message listing methods
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*
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* @param array $set Search set, result from rcube_imap::get_search_set():
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* 0 - searching criteria, string
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* 1 - search result, rcube_result_index|rcube_result_thread
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* 2 - searching character set, string
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* 3 - sorting field, string
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* 4 - true if sorted, bool
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*/
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public function set_search_set($set)
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{
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$set = (array)$set;
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$this->search_string = $set[0];
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$this->search_set = $set[1];
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$this->search_charset = $set[2];
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$this->search_sort_field = $set[3];
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$this->search_sorted = $set[4];
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$this->search_threads = is_a($this->search_set, 'rcube_result_thread');
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if (is_a($this->search_set, 'rcube_result_multifolder')) {
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$this->set_threading(false);
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}
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}
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/**
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* Return the saved search set as hash array
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*
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* @return array Search set
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*/
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public function get_search_set()
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{
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if (empty($this->search_set)) {
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return null;
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}
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return array(
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$this->search_string,
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$this->search_set,
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$this->search_charset,
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$this->search_sort_field,
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$this->search_sorted,
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);
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}
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/**
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* Returns the IMAP server's capability.
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*
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* @param string $cap Capability name
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*
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* @return mixed Capability value or TRUE if supported, FALSE if not
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*/
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public function get_capability($cap)
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{
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$cap = strtoupper($cap);
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$sess_key = "STORAGE_$cap";
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if (!isset($_SESSION[$sess_key])) {
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if (!$this->check_connection()) {
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return false;
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}
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$_SESSION[$sess_key] = $this->conn->getCapability($cap);
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}
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return $_SESSION[$sess_key];
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}
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/**
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* Checks the PERMANENTFLAGS capability of the current folder
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* and returns true if the given flag is supported by the IMAP server
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*
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* @param string $flag Permanentflag name
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*
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* @return boolean True if this flag is supported
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*/
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public function check_permflag($flag)
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{
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$flag = strtoupper($flag);
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$perm_flags = $this->get_permflags($this->folder);
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$imap_flag = $this->conn->flags[$flag];
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return $imap_flag && !empty($perm_flags) && in_array_nocase($imap_flag, $perm_flags);
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}
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/**
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* Returns PERMANENTFLAGS of the specified folder
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*
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* @param string $folder Folder name
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*
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* @return array Flags
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*/
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public function get_permflags($folder)
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{
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if (!strlen($folder)) {
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return array();
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}
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if (!$this->check_connection()) {
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return array();
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}
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if ($this->conn->select($folder)) {
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$permflags = $this->conn->data['PERMANENTFLAGS'];
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}
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else {
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return array();
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}
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if (!is_array($permflags)) {
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$permflags = array();
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}
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return $permflags;
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}
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/**
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* Returns the delimiter that is used by the IMAP server for folder separation
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*
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* @return string Delimiter string
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*/
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public function get_hierarchy_delimiter()
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{
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return $this->delimiter;
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}
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/**
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* Get namespace
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*
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* @param string $name Namespace array index: personal, other, shared, prefix
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*
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* @return array Namespace data
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*/
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public function get_namespace($name = null)
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{
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$ns = $this->namespace;
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if ($name) {
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return isset($ns[$name]) ? $ns[$name] : null;
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}
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unset($ns['prefix']);
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return $ns;
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}
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|
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/**
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* Sets delimiter and namespaces
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*/
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protected function set_env()
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{
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if ($this->delimiter !== null && $this->namespace !== null) {
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return;
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}
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$config = rcube::get_instance()->config;
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$imap_personal = $config->get('imap_ns_personal');
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$imap_other = $config->get('imap_ns_other');
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$imap_shared = $config->get('imap_ns_shared');
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$imap_delimiter = $config->get('imap_delimiter');
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if (!$this->check_connection()) {
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return;
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}
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|
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$ns = $this->conn->getNamespace();
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|
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// Set namespaces (NAMESPACE supported)
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if (is_array($ns)) {
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$this->namespace = $ns;
|
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}
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else {
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$this->namespace = array(
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'personal' => NULL,
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'other' => NULL,
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'shared' => NULL,
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);
|
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}
|
|
|
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if ($imap_delimiter) {
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$this->delimiter = $imap_delimiter;
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}
|
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if (empty($this->delimiter)) {
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$this->delimiter = $this->namespace['personal'][0][1];
|
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}
|
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if (empty($this->delimiter)) {
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$this->delimiter = $this->conn->getHierarchyDelimiter();
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}
|
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if (empty($this->delimiter)) {
|
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$this->delimiter = '/';
|
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}
|
|
|
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// Overwrite namespaces
|
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if ($imap_personal !== null) {
|
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$this->namespace['personal'] = NULL;
|
|
foreach ((array)$imap_personal as $dir) {
|
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$this->namespace['personal'][] = array($dir, $this->delimiter);
|
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}
|
|
}
|
|
if ($imap_other !== null) {
|
|
$this->namespace['other'] = NULL;
|
|
foreach ((array)$imap_other as $dir) {
|
|
if ($dir) {
|
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$this->namespace['other'][] = array($dir, $this->delimiter);
|
|
}
|
|
}
|
|
}
|
|
if ($imap_shared !== null) {
|
|
$this->namespace['shared'] = NULL;
|
|
foreach ((array)$imap_shared as $dir) {
|
|
if ($dir) {
|
|
$this->namespace['shared'][] = array($dir, $this->delimiter);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Find personal namespace prefix for mod_folder()
|
|
// Prefix can be removed when there is only one personal namespace
|
|
if (is_array($this->namespace['personal']) && count($this->namespace['personal']) == 1) {
|
|
$this->namespace['prefix'] = $this->namespace['personal'][0][0];
|
|
}
|
|
|
|
$_SESSION['imap_namespace'] = $this->namespace;
|
|
$_SESSION['imap_delimiter'] = $this->delimiter;
|
|
}
|
|
|
|
/**
|
|
* Returns IMAP server vendor name
|
|
*
|
|
* @return string Vendor name
|
|
* @since 1.2
|
|
*/
|
|
public function get_vendor()
|
|
{
|
|
if ($_SESSION['imap_vendor'] !== null) {
|
|
return $_SESSION['imap_vendor'];
|
|
}
|
|
|
|
$config = rcube::get_instance()->config;
|
|
$imap_vendor = $config->get('imap_vendor');
|
|
|
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if ($imap_vendor) {
|
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return $imap_vendor;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return;
|
|
}
|
|
|
|
if (($ident = $this->conn->data['ID']) === null) {
|
|
$ident = $this->conn->id(array(
|
|
'name' => 'Roundcube',
|
|
'version' => RCUBE_VERSION,
|
|
'php' => PHP_VERSION,
|
|
'os' => PHP_OS,
|
|
));
|
|
}
|
|
|
|
$vendor = (string) (!empty($ident) ? $ident['name'] : '');
|
|
$ident = strtolower($vendor . ' ' . $this->conn->data['GREETING']);
|
|
$vendors = array('cyrus', 'dovecot', 'uw-imap', 'gmail', 'hmail');
|
|
|
|
foreach ($vendors as $v) {
|
|
if (strpos($ident, $v) !== false) {
|
|
$vendor = $v;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return $_SESSION['imap_vendor'] = $vendor;
|
|
}
|
|
|
|
/**
|
|
* Get message count for a specific folder
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param string $mode Mode for count [ALL|THREADS|UNSEEN|RECENT|EXISTS]
|
|
* @param boolean $force Force reading from server and update cache
|
|
* @param boolean $status Enables storing folder status info (max UID/count),
|
|
* required for folder_status()
|
|
*
|
|
* @return int Number of messages
|
|
*/
|
|
public function count($folder='', $mode='ALL', $force=false, $status=true)
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
return $this->countmessages($folder, $mode, $force, $status);
|
|
}
|
|
|
|
/**
|
|
* Protected method for getting number of messages
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param string $mode Mode for count [ALL|THREADS|UNSEEN|RECENT|EXISTS]
|
|
* @param boolean $force Force reading from server and update cache
|
|
* @param boolean $status Enables storing folder status info (max UID/count),
|
|
* required for folder_status()
|
|
* @param boolean $no_search Ignore current search result
|
|
*
|
|
* @return int Number of messages
|
|
* @see rcube_imap::count()
|
|
*/
|
|
protected function countmessages($folder, $mode = 'ALL', $force = false, $status = true, $no_search = false)
|
|
{
|
|
$mode = strtoupper($mode);
|
|
|
|
// Count search set, assume search set is always up-to-date (don't check $force flag)
|
|
// @TODO: this could be handled in more reliable way, e.g. a separate method
|
|
// maybe in rcube_imap_search
|
|
if (!$no_search && $this->search_string && $folder == $this->folder) {
|
|
if ($mode == 'ALL') {
|
|
return $this->search_set->count_messages();
|
|
}
|
|
else if ($mode == 'THREADS') {
|
|
return $this->search_set->count();
|
|
}
|
|
}
|
|
|
|
// EXISTS is a special alias for ALL, it allows to get the number
|
|
// of all messages in a folder also when search is active and with
|
|
// any skip_deleted setting
|
|
|
|
$a_folder_cache = $this->get_cache('messagecount');
|
|
|
|
// return cached value
|
|
if (!$force && is_array($a_folder_cache[$folder]) && isset($a_folder_cache[$folder][$mode])) {
|
|
return $a_folder_cache[$folder][$mode];
|
|
}
|
|
|
|
if (!is_array($a_folder_cache[$folder])) {
|
|
$a_folder_cache[$folder] = array();
|
|
}
|
|
|
|
if ($mode == 'THREADS') {
|
|
$res = $this->threads($folder);
|
|
$count = $res->count();
|
|
|
|
if ($status) {
|
|
$msg_count = $res->count_messages();
|
|
$this->set_folder_stats($folder, 'cnt', $msg_count);
|
|
$this->set_folder_stats($folder, 'maxuid', $msg_count ? $this->id2uid($msg_count, $folder) : 0);
|
|
}
|
|
}
|
|
// Need connection here
|
|
else if (!$this->check_connection()) {
|
|
return 0;
|
|
}
|
|
// RECENT count is fetched a bit different
|
|
else if ($mode == 'RECENT') {
|
|
$count = $this->conn->countRecent($folder);
|
|
}
|
|
// use SEARCH for message counting
|
|
else if ($mode != 'EXISTS' && !empty($this->options['skip_deleted'])) {
|
|
$search_str = "ALL UNDELETED";
|
|
$keys = array('COUNT');
|
|
|
|
if ($mode == 'UNSEEN') {
|
|
$search_str .= " UNSEEN";
|
|
}
|
|
else {
|
|
if ($this->messages_caching) {
|
|
$keys[] = 'ALL';
|
|
}
|
|
if ($status) {
|
|
$keys[] = 'MAX';
|
|
}
|
|
}
|
|
|
|
// @TODO: if $mode == 'ALL' we could try to use cache index here
|
|
|
|
// get message count using (E)SEARCH
|
|
// not very performant but more precise (using UNDELETED)
|
|
$index = $this->conn->search($folder, $search_str, true, $keys);
|
|
$count = $index->count();
|
|
|
|
if ($mode == 'ALL') {
|
|
// Cache index data, will be used in index_direct()
|
|
$this->icache['undeleted_idx'] = $index;
|
|
|
|
if ($status) {
|
|
$this->set_folder_stats($folder, 'cnt', $count);
|
|
$this->set_folder_stats($folder, 'maxuid', $index->max());
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if ($mode == 'UNSEEN') {
|
|
$count = $this->conn->countUnseen($folder);
|
|
}
|
|
else {
|
|
$count = $this->conn->countMessages($folder);
|
|
if ($status && $mode == 'ALL') {
|
|
$this->set_folder_stats($folder, 'cnt', $count);
|
|
$this->set_folder_stats($folder, 'maxuid', $count ? $this->id2uid($count, $folder) : 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
$a_folder_cache[$folder][$mode] = (int)$count;
|
|
|
|
// write back to cache
|
|
$this->update_cache('messagecount', $a_folder_cache);
|
|
|
|
return (int)$count;
|
|
}
|
|
|
|
/**
|
|
* Public method for listing message flags
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param array $uids Message UIDs
|
|
* @param int $mod_seq Optional MODSEQ value (of last flag update)
|
|
*
|
|
* @return array Indexed array with message flags
|
|
*/
|
|
public function list_flags($folder, $uids, $mod_seq = null)
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return array();
|
|
}
|
|
|
|
// @TODO: when cache was synchronized in this request
|
|
// we might already have asked for flag updates, use it.
|
|
|
|
$flags = $this->conn->fetch($folder, $uids, true, array('FLAGS'), $mod_seq);
|
|
$result = array();
|
|
|
|
if (!empty($flags)) {
|
|
foreach ($flags as $message) {
|
|
$result[$message->uid] = $message->flags;
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Public method for listing headers
|
|
*
|
|
* @param string $folder 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 $slice Number of slice items to extract from result array
|
|
*
|
|
* @return array Indexed array with message header objects
|
|
*/
|
|
public function list_messages($folder='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0)
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
return $this->_list_messages($folder, $page, $sort_field, $sort_order, $slice);
|
|
}
|
|
|
|
/**
|
|
* protected method for listing message headers
|
|
*
|
|
* @param string $folder 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 $slice Number of slice items to extract from result array
|
|
*
|
|
* @return array Indexed array with message header objects
|
|
* @see rcube_imap::list_messages
|
|
*/
|
|
protected function _list_messages($folder='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0)
|
|
{
|
|
if (!strlen($folder)) {
|
|
return array();
|
|
}
|
|
|
|
$this->set_sort_order($sort_field, $sort_order);
|
|
$page = $page ? $page : $this->list_page;
|
|
|
|
// use saved message set
|
|
if ($this->search_string) {
|
|
return $this->list_search_messages($folder, $page, $slice);
|
|
}
|
|
|
|
if ($this->threading) {
|
|
return $this->list_thread_messages($folder, $page, $slice);
|
|
}
|
|
|
|
// get UIDs of all messages in the folder, sorted
|
|
$index = $this->index($folder, $this->sort_field, $this->sort_order);
|
|
|
|
if ($index->is_empty()) {
|
|
return array();
|
|
}
|
|
|
|
$from = ($page-1) * $this->page_size;
|
|
$to = $from + $this->page_size;
|
|
|
|
$index->slice($from, $to - $from);
|
|
|
|
if ($slice) {
|
|
$index->slice(-$slice, $slice);
|
|
}
|
|
|
|
// fetch reqested messages headers
|
|
$a_index = $index->get();
|
|
$a_msg_headers = $this->fetch_headers($folder, $a_index);
|
|
|
|
return array_values($a_msg_headers);
|
|
}
|
|
|
|
/**
|
|
* protected method for listing message headers using threads
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param int $page Current page to list
|
|
* @param int $slice Number of slice items to extract from result array
|
|
*
|
|
* @return array Indexed array with message header objects
|
|
* @see rcube_imap::list_messages
|
|
*/
|
|
protected function list_thread_messages($folder, $page, $slice=0)
|
|
{
|
|
// get all threads (not sorted)
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
$threads = $mcache->get_thread($folder);
|
|
}
|
|
else {
|
|
$threads = $this->threads($folder);
|
|
}
|
|
|
|
return $this->fetch_thread_headers($folder, $threads, $page, $slice);
|
|
}
|
|
|
|
/**
|
|
* Method for fetching threads data
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return rcube_imap_thread Thread data object
|
|
*/
|
|
function threads($folder)
|
|
{
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
// don't store in self's internal cache, cache has it's own internal cache
|
|
return $mcache->get_thread($folder);
|
|
}
|
|
|
|
if (!empty($this->icache['threads'])) {
|
|
if ($this->icache['threads']->get_parameters('MAILBOX') == $folder) {
|
|
return $this->icache['threads'];
|
|
}
|
|
}
|
|
|
|
// get all threads
|
|
$result = $this->threads_direct($folder);
|
|
|
|
// add to internal (fast) cache
|
|
return $this->icache['threads'] = $result;
|
|
}
|
|
|
|
/**
|
|
* Method for direct fetching of threads data
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return rcube_imap_thread Thread data object
|
|
*/
|
|
function threads_direct($folder)
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return new rcube_result_thread();
|
|
}
|
|
|
|
// get all threads
|
|
return $this->conn->thread($folder, $this->threading,
|
|
$this->options['skip_deleted'] ? 'UNDELETED' : '', true);
|
|
}
|
|
|
|
/**
|
|
* protected method for fetching threaded messages headers
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param rcube_result_thread $threads Threads data object
|
|
* @param int $page List page number
|
|
* @param int $slice Number of threads to slice
|
|
*
|
|
* @return array Messages headers
|
|
*/
|
|
protected function fetch_thread_headers($folder, $threads, $page, $slice=0)
|
|
{
|
|
// Sort thread structure
|
|
$this->sort_threads($threads);
|
|
|
|
$from = ($page-1) * $this->page_size;
|
|
$to = $from + $this->page_size;
|
|
|
|
$threads->slice($from, $to - $from);
|
|
|
|
if ($slice) {
|
|
$threads->slice(-$slice, $slice);
|
|
}
|
|
|
|
// Get UIDs of all messages in all threads
|
|
$a_index = $threads->get();
|
|
|
|
// fetch reqested headers from server
|
|
$a_msg_headers = $this->fetch_headers($folder, $a_index);
|
|
|
|
unset($a_index);
|
|
|
|
// Set depth, has_children and unread_children fields in headers
|
|
$this->set_thread_flags($a_msg_headers, $threads);
|
|
|
|
return array_values($a_msg_headers);
|
|
}
|
|
|
|
/**
|
|
* protected method for setting threaded messages flags:
|
|
* depth, has_children and unread_children
|
|
*
|
|
* @param array $headers Reference to headers array indexed by message UID
|
|
* @param rcube_result_thread $threads Threads data object
|
|
*
|
|
* @return array Message headers array indexed by message UID
|
|
*/
|
|
protected function set_thread_flags(&$headers, $threads)
|
|
{
|
|
$parents = array();
|
|
|
|
list ($msg_depth, $msg_children) = $threads->get_thread_data();
|
|
|
|
foreach ($headers as $uid => $header) {
|
|
$depth = $msg_depth[$uid];
|
|
$parents = array_slice($parents, 0, $depth);
|
|
|
|
if (!empty($parents)) {
|
|
$headers[$uid]->parent_uid = end($parents);
|
|
if (empty($header->flags['SEEN']))
|
|
$headers[$parents[0]]->unread_children++;
|
|
}
|
|
array_push($parents, $uid);
|
|
|
|
$headers[$uid]->depth = $depth;
|
|
$headers[$uid]->has_children = $msg_children[$uid];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* protected method for listing a set of message headers (search results)
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param int $page Current page to list
|
|
* @param int $slice Number of slice items to extract from result array
|
|
*
|
|
* @return array Indexed array with message header objects
|
|
*/
|
|
protected function list_search_messages($folder, $page, $slice=0)
|
|
{
|
|
if (!strlen($folder) || empty($this->search_set) || $this->search_set->is_empty()) {
|
|
return array();
|
|
}
|
|
|
|
// gather messages from a multi-folder search
|
|
if ($this->search_set->multi) {
|
|
$page_size = $this->page_size;
|
|
$sort_field = $this->sort_field;
|
|
$search_set = $this->search_set;
|
|
|
|
// prepare paging
|
|
$cnt = $search_set->count();
|
|
$from = ($page-1) * $page_size;
|
|
$to = $from + $page_size;
|
|
$slice_length = min($page_size, $cnt - $from);
|
|
|
|
// fetch resultset headers, sort and slice them
|
|
if (!empty($sort_field) && $search_set->get_parameters('SORT') != $sort_field) {
|
|
$this->sort_field = null;
|
|
$this->page_size = 1000; // fetch up to 1000 matching messages per folder
|
|
$this->threading = false;
|
|
|
|
$a_msg_headers = array();
|
|
foreach ($search_set->sets as $resultset) {
|
|
if (!$resultset->is_empty()) {
|
|
$this->search_set = $resultset;
|
|
$this->search_threads = $resultset instanceof rcube_result_thread;
|
|
|
|
$a_headers = $this->list_search_messages($resultset->get_parameters('MAILBOX'), 1);
|
|
$a_msg_headers = array_merge($a_msg_headers, $a_headers);
|
|
unset($a_headers);
|
|
}
|
|
}
|
|
|
|
// sort headers
|
|
if (!empty($a_msg_headers)) {
|
|
$a_msg_headers = rcube_imap_generic::sortHeaders($a_msg_headers, $sort_field, $this->sort_order);
|
|
}
|
|
|
|
// store (sorted) message index
|
|
$search_set->set_message_index($a_msg_headers, $sort_field, $this->sort_order);
|
|
|
|
// only return the requested part of the set
|
|
$a_msg_headers = array_slice(array_values($a_msg_headers), $from, $slice_length);
|
|
}
|
|
else {
|
|
if ($this->sort_order != $search_set->get_parameters('ORDER')) {
|
|
$search_set->revert();
|
|
}
|
|
|
|
// slice resultset first...
|
|
$fetch = array();
|
|
foreach (array_slice($search_set->get(), $from, $slice_length) as $msg_id) {
|
|
list($uid, $folder) = explode('-', $msg_id, 2);
|
|
$fetch[$folder][] = $uid;
|
|
}
|
|
|
|
// ... and fetch the requested set of headers
|
|
$a_msg_headers = array();
|
|
foreach ($fetch as $folder => $a_index) {
|
|
$a_msg_headers = array_merge($a_msg_headers, array_values($this->fetch_headers($folder, $a_index)));
|
|
}
|
|
}
|
|
|
|
if ($slice) {
|
|
$a_msg_headers = array_slice($a_msg_headers, -$slice, $slice);
|
|
}
|
|
|
|
// restore members
|
|
$this->sort_field = $sort_field;
|
|
$this->page_size = $page_size;
|
|
$this->search_set = $search_set;
|
|
|
|
return $a_msg_headers;
|
|
}
|
|
|
|
// use saved messages from searching
|
|
if ($this->threading) {
|
|
return $this->list_search_thread_messages($folder, $page, $slice);
|
|
}
|
|
|
|
// search set is threaded, we need a new one
|
|
if ($this->search_threads) {
|
|
$this->search('', $this->search_string, $this->search_charset, $this->sort_field);
|
|
}
|
|
|
|
$index = clone $this->search_set;
|
|
$from = ($page-1) * $this->page_size;
|
|
$to = $from + $this->page_size;
|
|
|
|
// return empty array if no messages found
|
|
if ($index->is_empty()) {
|
|
return array();
|
|
}
|
|
|
|
// quickest method (default sorting)
|
|
if (!$this->search_sort_field && !$this->sort_field) {
|
|
$got_index = true;
|
|
}
|
|
// sorted messages, so we can first slice array and then fetch only wanted headers
|
|
else if ($this->search_sorted) { // SORT searching result
|
|
$got_index = true;
|
|
// reset search set if sorting field has been changed
|
|
if ($this->sort_field && $this->search_sort_field != $this->sort_field) {
|
|
$this->search('', $this->search_string, $this->search_charset, $this->sort_field);
|
|
|
|
$index = clone $this->search_set;
|
|
|
|
// return empty array if no messages found
|
|
if ($index->is_empty()) {
|
|
return array();
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($got_index) {
|
|
if ($this->sort_order != $index->get_parameters('ORDER')) {
|
|
$index->revert();
|
|
}
|
|
|
|
// get messages uids for one page
|
|
$index->slice($from, $to-$from);
|
|
|
|
if ($slice) {
|
|
$index->slice(-$slice, $slice);
|
|
}
|
|
|
|
// fetch headers
|
|
$a_index = $index->get();
|
|
$a_msg_headers = $this->fetch_headers($folder, $a_index);
|
|
|
|
return array_values($a_msg_headers);
|
|
}
|
|
|
|
// SEARCH result, need sorting
|
|
$cnt = $index->count();
|
|
|
|
// 300: experimantal value for best result
|
|
if (($cnt > 300 && $cnt > $this->page_size) || !$this->sort_field) {
|
|
// use memory less expensive (and quick) method for big result set
|
|
$index = clone $this->index('', $this->sort_field, $this->sort_order);
|
|
// get messages uids for one page...
|
|
$index->slice($from, min($cnt-$from, $this->page_size));
|
|
|
|
if ($slice) {
|
|
$index->slice(-$slice, $slice);
|
|
}
|
|
|
|
// ...and fetch headers
|
|
$a_index = $index->get();
|
|
$a_msg_headers = $this->fetch_headers($folder, $a_index);
|
|
|
|
return array_values($a_msg_headers);
|
|
}
|
|
else {
|
|
// for small result set we can fetch all messages headers
|
|
$a_index = $index->get();
|
|
$a_msg_headers = $this->fetch_headers($folder, $a_index, false);
|
|
|
|
// return empty array if no messages found
|
|
if (!is_array($a_msg_headers) || empty($a_msg_headers)) {
|
|
return array();
|
|
}
|
|
|
|
// if not already sorted
|
|
$a_msg_headers = rcube_imap_generic::sortHeaders(
|
|
$a_msg_headers, $this->sort_field, $this->sort_order);
|
|
|
|
// only return the requested part of the set
|
|
$slice_length = min($this->page_size, $cnt - ($to > $cnt ? $from : $to));
|
|
$a_msg_headers = array_slice(array_values($a_msg_headers), $from, $slice_length);
|
|
|
|
if ($slice) {
|
|
$a_msg_headers = array_slice($a_msg_headers, -$slice, $slice);
|
|
}
|
|
|
|
return $a_msg_headers;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* protected method for listing a set of threaded message headers (search results)
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param int $page Current page to list
|
|
* @param int $slice Number of slice items to extract from result array
|
|
*
|
|
* @return array Indexed array with message header objects
|
|
* @see rcube_imap::list_search_messages()
|
|
*/
|
|
protected function list_search_thread_messages($folder, $page, $slice=0)
|
|
{
|
|
// update search_set if previous data was fetched with disabled threading
|
|
if (!$this->search_threads) {
|
|
if ($this->search_set->is_empty()) {
|
|
return array();
|
|
}
|
|
$this->search('', $this->search_string, $this->search_charset, $this->sort_field);
|
|
}
|
|
|
|
return $this->fetch_thread_headers($folder, clone $this->search_set, $page, $slice);
|
|
}
|
|
|
|
/**
|
|
* Fetches messages headers (by UID)
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param array $msgs Message UIDs
|
|
* @param bool $sort Enables result sorting by $msgs
|
|
* @param bool $force Disables cache use
|
|
*
|
|
* @return array Messages headers indexed by UID
|
|
*/
|
|
function fetch_headers($folder, $msgs, $sort = true, $force = false)
|
|
{
|
|
if (empty($msgs)) {
|
|
return array();
|
|
}
|
|
|
|
if (!$force && ($mcache = $this->get_mcache_engine())) {
|
|
$headers = $mcache->get_messages($folder, $msgs);
|
|
}
|
|
else if (!$this->check_connection()) {
|
|
return array();
|
|
}
|
|
else {
|
|
// fetch reqested headers from server
|
|
$headers = $this->conn->fetchHeaders(
|
|
$folder, $msgs, true, false, $this->get_fetch_headers());
|
|
}
|
|
|
|
if (empty($headers)) {
|
|
return array();
|
|
}
|
|
|
|
foreach ($headers as $h) {
|
|
$h->folder = $folder;
|
|
$a_msg_headers[$h->uid] = $h;
|
|
}
|
|
|
|
if ($sort) {
|
|
// use this class for message sorting
|
|
$sorter = new rcube_message_header_sorter();
|
|
$sorter->set_index($msgs);
|
|
$sorter->sort_headers($a_msg_headers);
|
|
}
|
|
|
|
return $a_msg_headers;
|
|
}
|
|
|
|
/**
|
|
* Returns current status of a folder (compared to the last time use)
|
|
*
|
|
* We compare the maximum UID to determine the number of
|
|
* new messages because the RECENT flag is not reliable.
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param array $diff Difference data
|
|
*
|
|
* @return int Folder status
|
|
*/
|
|
public function folder_status($folder = null, &$diff = array())
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
$old = $this->get_folder_stats($folder);
|
|
|
|
// refresh message count -> will update
|
|
$this->countmessages($folder, 'ALL', true, true, true);
|
|
|
|
$result = 0;
|
|
|
|
if (empty($old)) {
|
|
return $result;
|
|
}
|
|
|
|
$new = $this->get_folder_stats($folder);
|
|
|
|
// got new messages
|
|
if ($new['maxuid'] > $old['maxuid']) {
|
|
$result += 1;
|
|
// get new message UIDs range, that can be used for example
|
|
// to get the data of these messages
|
|
$diff['new'] = ($old['maxuid'] + 1 < $new['maxuid'] ? ($old['maxuid']+1).':' : '') . $new['maxuid'];
|
|
}
|
|
// some messages has been deleted
|
|
if ($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 $folder Folder name
|
|
* @param string $name Data name
|
|
* @param mixed $data Data value
|
|
*/
|
|
protected function set_folder_stats($folder, $name, $data)
|
|
{
|
|
$_SESSION['folders'][$folder][$name] = $data;
|
|
}
|
|
|
|
/**
|
|
* Gets folder statistic data
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return array Stats data
|
|
*/
|
|
protected function get_folder_stats($folder)
|
|
{
|
|
if ($_SESSION['folders'][$folder]) {
|
|
return (array) $_SESSION['folders'][$folder];
|
|
}
|
|
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Return sorted list of message UIDs
|
|
*
|
|
* @param string $folder Folder to get index from
|
|
* @param string $sort_field Sort column
|
|
* @param string $sort_order Sort order [ASC, DESC]
|
|
* @param bool $no_threads Get not threaded index
|
|
* @param bool $no_search Get index not limited to search result (optionally)
|
|
*
|
|
* @return rcube_result_index|rcube_result_thread List of messages (UIDs)
|
|
*/
|
|
public function index($folder = '', $sort_field = NULL, $sort_order = NULL,
|
|
$no_threads = false, $no_search = false
|
|
) {
|
|
if (!$no_threads && $this->threading) {
|
|
return $this->thread_index($folder, $sort_field, $sort_order);
|
|
}
|
|
|
|
$this->set_sort_order($sort_field, $sort_order);
|
|
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
// we have a saved search result, get index from there
|
|
if ($this->search_string) {
|
|
if ($this->search_set->is_empty()) {
|
|
return new rcube_result_index($folder, '* SORT');
|
|
}
|
|
|
|
if ($this->search_set instanceof rcube_result_multifolder) {
|
|
$index = $this->search_set;
|
|
$index->folder = $folder;
|
|
// TODO: handle changed sorting
|
|
}
|
|
// search result is an index with the same sorting?
|
|
else if (($this->search_set instanceof rcube_result_index)
|
|
&& ((!$this->sort_field && !$this->search_sorted) ||
|
|
($this->search_sorted && $this->search_sort_field == $this->sort_field))
|
|
) {
|
|
$index = $this->search_set;
|
|
}
|
|
// $no_search is enabled when we are not interested in
|
|
// fetching index for search result, e.g. to sort
|
|
// threaded search result we can use full mailbox index.
|
|
// This makes possible to use index from cache
|
|
else if (!$no_search) {
|
|
if (!$this->sort_field) {
|
|
// No sorting needed, just build index from the search result
|
|
// @TODO: do we need to sort by UID here?
|
|
$search = $this->search_set->get_compressed();
|
|
$index = new rcube_result_index($folder, '* ESEARCH ALL ' . $search);
|
|
}
|
|
else {
|
|
$index = $this->index_direct($folder, $this->search_charset,
|
|
$this->sort_field, $this->search_set);
|
|
}
|
|
}
|
|
|
|
if (isset($index)) {
|
|
if ($this->sort_order != $index->get_parameters('ORDER')) {
|
|
$index->revert();
|
|
}
|
|
|
|
return $index;
|
|
}
|
|
}
|
|
|
|
// check local cache
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
return $mcache->get_index($folder, $this->sort_field, $this->sort_order);
|
|
}
|
|
|
|
// fetch from IMAP server
|
|
return $this->index_direct($folder, $this->sort_field, $this->sort_order);
|
|
}
|
|
|
|
/**
|
|
* Return sorted list of message UIDs ignoring current search settings.
|
|
* Doesn't uses cache by default.
|
|
*
|
|
* @param string $folder Folder to get index from
|
|
* @param string $sort_field Sort column
|
|
* @param string $sort_order Sort order [ASC, DESC]
|
|
* @param rcube_result_* $search Optional messages set to limit the result
|
|
*
|
|
* @return rcube_result_index Sorted list of message UIDs
|
|
*/
|
|
public function index_direct($folder, $sort_field = null, $sort_order = null, $search = null)
|
|
{
|
|
if (!empty($search)) {
|
|
$search = $search->get_compressed();
|
|
}
|
|
|
|
// use message index sort as default sorting
|
|
if (!$sort_field) {
|
|
// use search result from count() if possible
|
|
if (empty($search) && $this->options['skip_deleted']
|
|
&& !empty($this->icache['undeleted_idx'])
|
|
&& $this->icache['undeleted_idx']->get_parameters('ALL') !== null
|
|
&& $this->icache['undeleted_idx']->get_parameters('MAILBOX') == $folder
|
|
) {
|
|
$index = $this->icache['undeleted_idx'];
|
|
}
|
|
else if (!$this->check_connection()) {
|
|
return new rcube_result_index();
|
|
}
|
|
else {
|
|
$query = $this->options['skip_deleted'] ? 'UNDELETED' : '';
|
|
if ($search) {
|
|
$query = trim($query . ' UID ' . $search);
|
|
}
|
|
|
|
$index = $this->conn->search($folder, $query, true);
|
|
}
|
|
}
|
|
else if (!$this->check_connection()) {
|
|
return new rcube_result_index();
|
|
}
|
|
// fetch complete message index
|
|
else {
|
|
if ($this->get_capability('SORT')) {
|
|
$query = $this->options['skip_deleted'] ? 'UNDELETED' : '';
|
|
if ($search) {
|
|
$query = trim($query . ' UID ' . $search);
|
|
}
|
|
|
|
$index = $this->conn->sort($folder, $sort_field, $query, true);
|
|
}
|
|
|
|
if (empty($index) || $index->is_error()) {
|
|
$index = $this->conn->index($folder, $search ? $search : "1:*",
|
|
$sort_field, $this->options['skip_deleted'],
|
|
$search ? true : false, true);
|
|
}
|
|
}
|
|
|
|
if ($sort_order != $index->get_parameters('ORDER')) {
|
|
$index->revert();
|
|
}
|
|
|
|
return $index;
|
|
}
|
|
|
|
/**
|
|
* Return index of threaded message UIDs
|
|
*
|
|
* @param string $folder Folder to get index from
|
|
* @param string $sort_field Sort column
|
|
* @param string $sort_order Sort order [ASC, DESC]
|
|
*
|
|
* @return rcube_result_thread Message UIDs
|
|
*/
|
|
public function thread_index($folder='', $sort_field=NULL, $sort_order=NULL)
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
// we have a saved search result, get index from there
|
|
if ($this->search_string && $this->search_threads && $folder == $this->folder) {
|
|
$threads = $this->search_set;
|
|
}
|
|
else {
|
|
// get all threads (default sort order)
|
|
$threads = $this->threads($folder);
|
|
}
|
|
|
|
$this->set_sort_order($sort_field, $sort_order);
|
|
$this->sort_threads($threads);
|
|
|
|
return $threads;
|
|
}
|
|
|
|
/**
|
|
* Sort threaded result, using THREAD=REFS method if available.
|
|
* If not, use any method and re-sort the result in THREAD=REFS way.
|
|
*
|
|
* @param rcube_result_thread $threads Threads result set
|
|
*/
|
|
protected function sort_threads($threads)
|
|
{
|
|
if ($threads->is_empty()) {
|
|
return;
|
|
}
|
|
|
|
// THREAD=ORDEREDSUBJECT: sorting by sent date of root message
|
|
// THREAD=REFERENCES: sorting by sent date of root message
|
|
// THREAD=REFS: sorting by the most recent date in each thread
|
|
|
|
if ($this->threading != 'REFS' || ($this->sort_field && $this->sort_field != 'date')) {
|
|
$sortby = $this->sort_field ? $this->sort_field : 'date';
|
|
$index = $this->index($this->folder, $sortby, $this->sort_order, true, true);
|
|
|
|
if (!$index->is_empty()) {
|
|
$threads->sort($index);
|
|
}
|
|
}
|
|
else if ($this->sort_order != $threads->get_parameters('ORDER')) {
|
|
$threads->revert();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Invoke search request to IMAP server
|
|
*
|
|
* @param string $folder Folder name to search in
|
|
* @param string $search Search criteria
|
|
* @param string $charset Search charset
|
|
* @param string $sort_field Header field to sort by
|
|
*
|
|
* @return rcube_result_index Search result object
|
|
* @todo: Search criteria should be provided in non-IMAP format, eg. array
|
|
*/
|
|
public function search($folder = '', $search = 'ALL', $charset = null, $sort_field = null)
|
|
{
|
|
if (!$search) {
|
|
$search = 'ALL';
|
|
}
|
|
|
|
if ((is_array($folder) && empty($folder)) || (!is_array($folder) && !strlen($folder))) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
$plugin = $this->plugins->exec_hook('imap_search_before', array(
|
|
'folder' => $folder,
|
|
'search' => $search,
|
|
'charset' => $charset,
|
|
'sort_field' => $sort_field,
|
|
'threading' => $this->threading,
|
|
));
|
|
|
|
$folder = $plugin['folder'];
|
|
$search = $plugin['search'];
|
|
$charset = $plugin['charset'];
|
|
$sort_field = $plugin['sort_field'];
|
|
$results = $plugin['result'];
|
|
|
|
// multi-folder search
|
|
if (!$results && is_array($folder) && count($folder) > 1 && $search != 'ALL') {
|
|
// connect IMAP to have all the required classes and settings loaded
|
|
$this->check_connection();
|
|
|
|
// disable threading
|
|
$this->threading = false;
|
|
|
|
$searcher = new rcube_imap_search($this->options, $this->conn);
|
|
|
|
// set limit to not exceed the client's request timeout
|
|
$searcher->set_timelimit(60);
|
|
|
|
// continue existing incomplete search
|
|
if (!empty($this->search_set) && $this->search_set->incomplete && $search == $this->search_string) {
|
|
$searcher->set_results($this->search_set);
|
|
}
|
|
|
|
// execute the search
|
|
$results = $searcher->exec(
|
|
$folder,
|
|
$search,
|
|
$charset ? $charset : $this->default_charset,
|
|
$sort_field && $this->get_capability('SORT') ? $sort_field : null,
|
|
$this->threading
|
|
);
|
|
}
|
|
else if (!$results) {
|
|
$folder = is_array($folder) ? $folder[0] : $folder;
|
|
$search = is_array($search) ? $search[$folder] : $search;
|
|
$results = $this->search_index($folder, $search, $charset, $sort_field);
|
|
}
|
|
|
|
$sorted = $this->threading || $this->search_sorted || $plugin['search_sorted'] ? true : false;
|
|
|
|
$this->set_search_set(array($search, $results, $charset, $sort_field, $sorted));
|
|
|
|
return $results;
|
|
}
|
|
|
|
/**
|
|
* Direct (real and simple) SEARCH request (without result sorting and caching).
|
|
*
|
|
* @param string $mailbox Mailbox name to search in
|
|
* @param string $str Search string
|
|
*
|
|
* @return rcube_result_index Search result (UIDs)
|
|
*/
|
|
public function search_once($folder = null, $str = 'ALL')
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return new rcube_result_index();
|
|
}
|
|
|
|
if (!$str) {
|
|
$str = 'ALL';
|
|
}
|
|
|
|
// multi-folder search
|
|
if (is_array($folder) && count($folder) > 1) {
|
|
$searcher = new rcube_imap_search($this->options, $this->conn);
|
|
$index = $searcher->exec($folder, $str, $this->default_charset);
|
|
}
|
|
else {
|
|
$folder = is_array($folder) ? $folder[0] : $folder;
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
$index = $this->conn->search($folder, $str, true);
|
|
}
|
|
|
|
return $index;
|
|
}
|
|
|
|
/**
|
|
* protected search method
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param string $criteria Search criteria
|
|
* @param string $charset Charset
|
|
* @param string $sort_field Sorting field
|
|
*
|
|
* @return rcube_result_index|rcube_result_thread Search results (UIDs)
|
|
* @see rcube_imap::search()
|
|
*/
|
|
protected function search_index($folder, $criteria='ALL', $charset=NULL, $sort_field=NULL)
|
|
{
|
|
if (!$this->check_connection()) {
|
|
if ($this->threading) {
|
|
return new rcube_result_thread();
|
|
}
|
|
else {
|
|
return new rcube_result_index();
|
|
}
|
|
}
|
|
|
|
if ($this->options['skip_deleted'] && !preg_match('/UNDELETED/', $criteria)) {
|
|
$criteria = 'UNDELETED '.$criteria;
|
|
}
|
|
|
|
// unset CHARSET if criteria string is ASCII, this way
|
|
// SEARCH won't be re-sent after "unsupported charset" response
|
|
if ($charset && $charset != 'US-ASCII' && is_ascii($criteria)) {
|
|
$charset = 'US-ASCII';
|
|
}
|
|
|
|
if ($this->threading) {
|
|
$threads = $this->conn->thread($folder, $this->threading, $criteria, true, $charset);
|
|
|
|
// Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8,
|
|
// but I've seen that Courier doesn't support UTF-8)
|
|
if ($threads->is_error() && $charset && $charset != 'US-ASCII') {
|
|
$threads = $this->conn->thread($folder, $this->threading,
|
|
self::convert_criteria($criteria, $charset), true, 'US-ASCII');
|
|
}
|
|
|
|
return $threads;
|
|
}
|
|
|
|
if ($sort_field && $this->get_capability('SORT')) {
|
|
$charset = $charset ? $charset : $this->default_charset;
|
|
$messages = $this->conn->sort($folder, $sort_field, $criteria, true, $charset);
|
|
|
|
// Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8,
|
|
// but I've seen Courier with disabled UTF-8 support)
|
|
if ($messages->is_error() && $charset && $charset != 'US-ASCII') {
|
|
$messages = $this->conn->sort($folder, $sort_field,
|
|
self::convert_criteria($criteria, $charset), true, 'US-ASCII');
|
|
}
|
|
|
|
if (!$messages->is_error()) {
|
|
$this->search_sorted = true;
|
|
return $messages;
|
|
}
|
|
}
|
|
|
|
$messages = $this->conn->search($folder,
|
|
($charset && $charset != 'US-ASCII' ? "CHARSET $charset " : '') . $criteria, true);
|
|
|
|
// Error, try with US-ASCII (some servers may support only US-ASCII)
|
|
if ($messages->is_error() && $charset && $charset != 'US-ASCII') {
|
|
$messages = $this->conn->search($folder,
|
|
self::convert_criteria($criteria, $charset), true);
|
|
}
|
|
|
|
$this->search_sorted = false;
|
|
|
|
return $messages;
|
|
}
|
|
|
|
/**
|
|
* Converts charset of search criteria string
|
|
*
|
|
* @param string $str Search string
|
|
* @param string $charset Original charset
|
|
* @param string $dest_charset Destination charset (default US-ASCII)
|
|
*
|
|
* @return string Search string
|
|
*/
|
|
public static function convert_criteria($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 === false || !strlen($string)) {
|
|
continue;
|
|
}
|
|
|
|
$res .= substr($str, $last, $m[1] - $last - 1) . rcube_imap_generic::escape($string);
|
|
$last = $m[0] + $string_offset - 1;
|
|
}
|
|
|
|
if ($last < strlen($str)) {
|
|
$res .= substr($str, $last, strlen($str)-$last);
|
|
}
|
|
}
|
|
// strings for conversion not found
|
|
else {
|
|
$res = $str;
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
|
|
/**
|
|
* Refresh saved search set
|
|
*
|
|
* @return array Current search set
|
|
*/
|
|
public function refresh_search()
|
|
{
|
|
if (!empty($this->search_string)) {
|
|
$this->search(
|
|
is_object($this->search_set) ? $this->search_set->get_parameters('MAILBOX') : '',
|
|
$this->search_string,
|
|
$this->search_charset,
|
|
$this->search_sort_field
|
|
);
|
|
}
|
|
|
|
return $this->get_search_set();
|
|
}
|
|
|
|
/**
|
|
* Flag certain result subsets as 'incomplete'.
|
|
* For subsequent refresh_search() calls to only refresh the updated parts.
|
|
*/
|
|
protected function set_search_dirty($folder)
|
|
{
|
|
if ($this->search_set && is_a($this->search_set, 'rcube_result_multifolder')) {
|
|
if ($subset = $this->search_set->get_set($folder)) {
|
|
$subset->incomplete = $this->search_set->incomplete = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return message headers object of a specific message
|
|
*
|
|
* @param int $id Message UID
|
|
* @param string $folder Folder to read from
|
|
* @param bool $force True to skip cache
|
|
*
|
|
* @return rcube_message_header Message headers
|
|
*/
|
|
public function get_message_headers($uid, $folder = null, $force = false)
|
|
{
|
|
// decode combined UID-folder identifier
|
|
if (preg_match('/^\d+-.+/', $uid)) {
|
|
list($uid, $folder) = explode('-', $uid, 2);
|
|
}
|
|
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
// get cached headers
|
|
if (!$force && $uid && ($mcache = $this->get_mcache_engine())) {
|
|
$headers = $mcache->get_message($folder, $uid);
|
|
}
|
|
else if (!$this->check_connection()) {
|
|
$headers = false;
|
|
}
|
|
else {
|
|
$headers = $this->conn->fetchHeader(
|
|
$folder, $uid, true, true, $this->get_fetch_headers());
|
|
|
|
if (is_object($headers))
|
|
$headers->folder = $folder;
|
|
}
|
|
|
|
return $headers;
|
|
}
|
|
|
|
/**
|
|
* Fetch message headers and body structure from the IMAP server and build
|
|
* an object structure.
|
|
*
|
|
* @param int $uid Message UID to fetch
|
|
* @param string $folder Folder to read from
|
|
*
|
|
* @return object rcube_message_header Message data
|
|
*/
|
|
public function get_message($uid, $folder = null)
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
// decode combined UID-folder identifier
|
|
if (preg_match('/^\d+-.+/', $uid)) {
|
|
list($uid, $folder) = explode('-', $uid, 2);
|
|
}
|
|
|
|
// Check internal cache
|
|
if (!empty($this->icache['message'])) {
|
|
if (($headers = $this->icache['message']) && $headers->uid == $uid) {
|
|
return $headers;
|
|
}
|
|
}
|
|
|
|
$headers = $this->get_message_headers($uid, $folder);
|
|
|
|
// message doesn't exist?
|
|
if (empty($headers)) {
|
|
return null;
|
|
}
|
|
|
|
// structure might be cached
|
|
if (!empty($headers->structure)) {
|
|
return $headers;
|
|
}
|
|
|
|
$this->msg_uid = $uid;
|
|
|
|
if (!$this->check_connection()) {
|
|
return $headers;
|
|
}
|
|
|
|
if (empty($headers->bodystructure)) {
|
|
$headers->bodystructure = $this->conn->getStructure($folder, $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].'/'.$structure[1]) == 'text/plain'
|
|
) {
|
|
// A special known case "Content-type: text" (#1488968)
|
|
if ($headers->ctype == 'text') {
|
|
$structure[1] = 'plain';
|
|
$headers->ctype = 'text/plain';
|
|
}
|
|
// we can handle single-part messages, by simple fix in structure (#1486898)
|
|
else if (preg_match('/^(text|application)\/(.*)/', $headers->ctype, $m)) {
|
|
$structure[0] = $m[1];
|
|
$structure[1] = $m[2];
|
|
}
|
|
else {
|
|
// Try to parse the message using rcube_mime_decode.
|
|
// We need a better solution, it parses message
|
|
// in memory, which wouldn't work for very big messages,
|
|
// (it uses up to 10x more memory than the message size)
|
|
// it's also buggy and not actively developed
|
|
if ($headers->size && rcube_utils::mem_check($headers->size * 10)) {
|
|
$raw_msg = $this->get_raw_body($uid);
|
|
$struct = rcube_mime::parse_message($raw_msg);
|
|
}
|
|
else {
|
|
return $headers;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (empty($struct)) {
|
|
$struct = $this->structure_part($structure, 0, '', $headers);
|
|
}
|
|
|
|
// some workarounds on simple messages...
|
|
if (empty($struct->parts)) {
|
|
// ...don't trust given content-type
|
|
if (!empty($headers->ctype)) {
|
|
$struct->mime_id = '1';
|
|
$struct->mimetype = strtolower($headers->ctype);
|
|
list($struct->ctype_primary, $struct->ctype_secondary) = explode('/', $struct->mimetype);
|
|
}
|
|
|
|
// ...and charset (there's a case described in #1488968 where invalid content-type
|
|
// results in invalid charset in BODYSTRUCTURE)
|
|
if (!empty($headers->charset) && $headers->charset != $struct->ctype_parameters['charset']) {
|
|
$struct->charset = $headers->charset;
|
|
$struct->ctype_parameters['charset'] = $headers->charset;
|
|
}
|
|
}
|
|
|
|
$headers->structure = $struct;
|
|
|
|
return $this->icache['message'] = $headers;
|
|
}
|
|
|
|
/**
|
|
* Build message part object
|
|
*
|
|
* @param array $part
|
|
* @param int $count
|
|
* @param string $parent
|
|
*/
|
|
protected function structure_part($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[$i]);
|
|
|
|
// read content type parameters
|
|
if (is_array($part[$i+1])) {
|
|
$struct->ctype_parameters = array();
|
|
for ($j=0; $j<count($part[$i+1]); $j+=2) {
|
|
$param = strtolower($part[$i+1][$j]);
|
|
$struct->ctype_parameters[$param] = $part[$i+1][$j+1];
|
|
}
|
|
}
|
|
|
|
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->folder,
|
|
$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->folder, $this->msg_uid, true, $struct->mime_id);
|
|
}
|
|
|
|
if (is_string($mime_headers)) {
|
|
$struct->headers = rcube_mime::parse_headers($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 $headers Part's raw headers
|
|
*/
|
|
protected function set_part_filename(&$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->folder, $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->folder, $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->folder, $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->folder, $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)) {
|
|
if (!empty($part->charset)) {
|
|
$charset = $part->charset;
|
|
}
|
|
else if (!empty($this->struct_charset)) {
|
|
$charset = $this->struct_charset;
|
|
}
|
|
else {
|
|
$charset = rcube_charset::detect($filename_mime, $this->default_charset);
|
|
}
|
|
|
|
$part->filename = rcube_mime::decode_mime_string($filename_mime, $charset);
|
|
}
|
|
else if (!empty($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 $structure Message structure
|
|
*
|
|
* @return string Charset name
|
|
*/
|
|
protected function structure_charset($structure)
|
|
{
|
|
while (is_array($structure)) {
|
|
if (is_array($structure[2]) && $structure[2][0] == 'charset') {
|
|
return $structure[2][1];
|
|
}
|
|
$structure = $structure[0];
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Fetch message body of a specific message from the server
|
|
*
|
|
* @param int Message UID
|
|
* @param string Part number
|
|
* @param rcube_message_part Part object created by get_structure()
|
|
* @param mixed True to print part, resource to write part contents in
|
|
* @param resource File pointer to save the message part
|
|
* @param boolean Disables charset conversion
|
|
* @param int Only read this number of bytes
|
|
* @param boolean Enables formatting of text/* parts bodies
|
|
*
|
|
* @return string Message/part body if not printed
|
|
*/
|
|
public function get_message_part($uid, $part = 1, $o_part = null, $print = null, $fp = null,
|
|
$skip_charset_conv = false, $max_bytes = 0, $formatted = true)
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return null;
|
|
}
|
|
|
|
// get part data if not provided
|
|
if (!is_object($o_part)) {
|
|
$structure = $this->conn->getStructure($this->folder, $uid, true);
|
|
$part_data = rcube_imap_generic::getStructurePartData($structure, $part);
|
|
|
|
$o_part = new rcube_message_part;
|
|
$o_part->ctype_primary = $part_data['type'];
|
|
$o_part->encoding = $part_data['encoding'];
|
|
$o_part->charset = $part_data['charset'];
|
|
$o_part->size = $part_data['size'];
|
|
}
|
|
|
|
if ($o_part && $o_part->size) {
|
|
$formatted = $formatted && $o_part->ctype_primary == 'text';
|
|
$body = $this->conn->handlePartBody($this->folder, $uid, true,
|
|
$part ? $part : 'TEXT', $o_part->encoding, $print, $fp, $formatted, $max_bytes);
|
|
}
|
|
|
|
if ($fp || $print) {
|
|
return true;
|
|
}
|
|
|
|
// convert charset (if text or message part)
|
|
if ($body && preg_match('/^(text|message)$/', $o_part->ctype_primary)) {
|
|
// Remove NULL characters if any (#1486189)
|
|
if ($formatted && strpos($body, "\x00") !== false) {
|
|
$body = str_replace("\x00", '', $body);
|
|
}
|
|
|
|
if (!$skip_charset_conv) {
|
|
if (!$o_part->charset || strtoupper($o_part->charset) == 'US-ASCII') {
|
|
// try to extract charset information from HTML meta tag (#1488125)
|
|
if ($o_part->ctype_secondary == 'html' && preg_match('/<meta[^>]+charset=([a-z0-9-_]+)/i', $body, $m)) {
|
|
$o_part->charset = strtoupper($m[1]);
|
|
}
|
|
else {
|
|
$o_part->charset = $this->default_charset;
|
|
}
|
|
}
|
|
$body = rcube_charset::convert($body, $o_part->charset);
|
|
}
|
|
}
|
|
|
|
return $body;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
* @param string $part Optional message part ID
|
|
*
|
|
* @return string Message source string
|
|
*/
|
|
public function get_raw_body($uid, $fp=null, $part = null)
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return null;
|
|
}
|
|
|
|
return $this->conn->handlePartBody($this->folder, $uid,
|
|
true, $part, null, false, $fp);
|
|
}
|
|
|
|
/**
|
|
* Returns the message headers as string
|
|
*
|
|
* @param int $uid Message UID
|
|
* @param string $part Optional message part ID
|
|
*
|
|
* @return string Message headers string
|
|
*/
|
|
public function get_raw_headers($uid, $part = null)
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return null;
|
|
}
|
|
|
|
return $this->conn->fetchPartHeader($this->folder, $uid, true, $part);
|
|
}
|
|
|
|
/**
|
|
* Sends the whole message source to stdout
|
|
*
|
|
* @param int $uid Message UID
|
|
* @param bool $formatted Enables line-ending formatting
|
|
*/
|
|
public function print_raw_body($uid, $formatted = true)
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return;
|
|
}
|
|
|
|
$this->conn->handlePartBody($this->folder, $uid, true, null, null, true, null, $formatted);
|
|
}
|
|
|
|
/**
|
|
* 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 $folder Folder name
|
|
* @param boolean $skip_cache True to skip message cache clean up
|
|
*
|
|
* @return boolean Operation status
|
|
*/
|
|
public function set_flag($uids, $flag, $folder=null, $skip_cache=false)
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
$flag = strtoupper($flag);
|
|
list($uids, $all_mode) = $this->parse_uids($uids);
|
|
|
|
if (strpos($flag, 'UN') === 0) {
|
|
$result = $this->conn->unflag($folder, $uids, substr($flag, 2));
|
|
}
|
|
else {
|
|
$result = $this->conn->flag($folder, $uids, $flag);
|
|
}
|
|
|
|
if ($result && !$skip_cache) {
|
|
// reload message headers if cached
|
|
// update flags instead removing from cache
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
$status = strpos($flag, 'UN') !== 0;
|
|
$mflag = preg_replace('/^UN/', '', $flag);
|
|
$mcache->change_flag($folder, $all_mode ? null : explode(',', $uids),
|
|
$mflag, $status);
|
|
}
|
|
|
|
// clear cached counters
|
|
if ($flag == 'SEEN' || $flag == 'UNSEEN') {
|
|
$this->clear_messagecount($folder, 'SEEN');
|
|
$this->clear_messagecount($folder, 'UNSEEN');
|
|
}
|
|
else if ($flag == 'DELETED' || $flag == 'UNDELETED') {
|
|
$this->clear_messagecount($folder, 'DELETED');
|
|
// remove cached messages
|
|
if ($this->options['skip_deleted']) {
|
|
$this->clear_message_cache($folder, $all_mode ? null : explode(',', $uids));
|
|
}
|
|
}
|
|
|
|
$this->set_search_dirty($folder);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Append a mail message (source) to a specific folder
|
|
*
|
|
* @param string $folder Target folder
|
|
* @param string|array $message The message source string or filename
|
|
* or array (of strings and file pointers)
|
|
* @param string $headers Headers string if $message contains only the body
|
|
* @param boolean $is_file True if $message is a filename
|
|
* @param array $flags Message flags
|
|
* @param mixed $date Message internal date
|
|
* @param bool $binary Enables BINARY append
|
|
*
|
|
* @return int|bool Appended message UID or True on success, False on error
|
|
*/
|
|
public function save_message($folder, &$message, $headers='', $is_file=false, $flags = array(), $date = null, $binary = false)
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
// make sure folder exists
|
|
if (!$this->folder_exists($folder)) {
|
|
return false;
|
|
}
|
|
|
|
$date = $this->date_format($date);
|
|
|
|
if ($is_file) {
|
|
$saved = $this->conn->appendFromFile($folder, $message, $headers, $flags, $date, $binary);
|
|
}
|
|
else {
|
|
$saved = $this->conn->append($folder, $message, $flags, $date, $binary);
|
|
}
|
|
|
|
if ($saved) {
|
|
// increase messagecount of the target folder
|
|
$this->set_messagecount($folder, 'ALL', 1);
|
|
|
|
$this->plugins->exec_hook('message_saved', array(
|
|
'folder' => $folder,
|
|
'message' => $message,
|
|
'headers' => $headers,
|
|
'is_file' => $is_file,
|
|
'flags' => $flags,
|
|
'date' => $date,
|
|
'binary' => $binary,
|
|
'result' => $saved,
|
|
));
|
|
}
|
|
|
|
return $saved;
|
|
}
|
|
|
|
/**
|
|
* Move a message from one folder to another
|
|
*
|
|
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
|
|
* @param string $to_mbox Target folder
|
|
* @param string $from_mbox Source folder
|
|
*
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
public function move_message($uids, $to_mbox, $from_mbox='')
|
|
{
|
|
if (!strlen($from_mbox)) {
|
|
$from_mbox = $this->folder;
|
|
}
|
|
|
|
if ($to_mbox === $from_mbox) {
|
|
return false;
|
|
}
|
|
|
|
list($uids, $all_mode) = $this->parse_uids($uids);
|
|
|
|
// exit if no message uids are specified
|
|
if (empty($uids)) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
$config = rcube::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, $to_mbox);
|
|
|
|
if ($moved) {
|
|
$this->clear_messagecount($from_mbox);
|
|
$this->clear_messagecount($to_mbox);
|
|
|
|
$this->set_search_dirty($from_mbox);
|
|
$this->set_search_dirty($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 == $this->folder) {
|
|
// threads are too complicated to just remove messages from set
|
|
if ($this->search_threads || $all_mode) {
|
|
$this->refresh_search();
|
|
}
|
|
else if (!$this->search_set->incomplete) {
|
|
$this->search_set->filter(explode(',', $uids), $this->folder);
|
|
}
|
|
}
|
|
|
|
// 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 folder to another
|
|
*
|
|
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
|
|
* @param string $to_mbox Target folder
|
|
* @param string $from_mbox Source folder
|
|
*
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
public function copy_message($uids, $to_mbox, $from_mbox='')
|
|
{
|
|
if (!strlen($from_mbox)) {
|
|
$from_mbox = $this->folder;
|
|
}
|
|
|
|
list($uids, $all_mode) = $this->parse_uids($uids);
|
|
|
|
// exit if no message uids are specified
|
|
if (empty($uids)) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
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 them
|
|
*
|
|
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
|
|
* @param string $folder Source folder
|
|
*
|
|
* @return boolean True on success, False on error
|
|
*/
|
|
public function delete_message($uids, $folder='')
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
list($uids, $all_mode) = $this->parse_uids($uids);
|
|
|
|
// exit if no message uids are specified
|
|
if (empty($uids)) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
$deleted = $this->conn->flag($folder, $uids, 'DELETED');
|
|
|
|
if ($deleted) {
|
|
// send expunge command in order to have the deleted message
|
|
// really deleted from the folder
|
|
$this->expunge_message($uids, $folder, false);
|
|
$this->clear_messagecount($folder);
|
|
|
|
// unset threads internal cache
|
|
unset($this->icache['threads']);
|
|
|
|
$this->set_search_dirty($folder);
|
|
|
|
// remove message ids from search set
|
|
if ($this->search_set && $folder == $this->folder) {
|
|
// threads are too complicated to just remove messages from set
|
|
if ($this->search_threads || $all_mode) {
|
|
$this->refresh_search();
|
|
}
|
|
else if (!$this->search_set->incomplete) {
|
|
$this->search_set->filter(explode(',', $uids));
|
|
}
|
|
}
|
|
|
|
// remove cached messages
|
|
$this->clear_message_cache($folder, $all_mode ? null : explode(',', $uids));
|
|
}
|
|
|
|
return $deleted;
|
|
}
|
|
|
|
/**
|
|
* Send IMAP expunge command and clear cache
|
|
*
|
|
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
|
|
* @param string $folder Folder name
|
|
* @param boolean $clear_cache False if cache should not be cleared
|
|
*
|
|
* @return boolean True on success, False on failure
|
|
*/
|
|
public function expunge_message($uids, $folder = null, $clear_cache = true)
|
|
{
|
|
if ($uids && $this->get_capability('UIDPLUS')) {
|
|
list($uids, $all_mode) = $this->parse_uids($uids);
|
|
}
|
|
else {
|
|
$uids = null;
|
|
}
|
|
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
// force folder selection and check if folder is writeable
|
|
// to prevent a situation when CLOSE is executed on closed
|
|
// or EXPUNGE on read-only folder
|
|
$result = $this->conn->select($folder);
|
|
if (!$result) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->conn->data['READ-WRITE']) {
|
|
$this->conn->setError(rcube_imap_generic::ERROR_READONLY, "Folder is read-only");
|
|
return false;
|
|
}
|
|
|
|
// CLOSE(+SELECT) should be faster than EXPUNGE
|
|
if (empty($uids) || $all_mode) {
|
|
$result = $this->conn->close();
|
|
}
|
|
else {
|
|
$result = $this->conn->expunge($folder, $uids);
|
|
}
|
|
|
|
if ($result && $clear_cache) {
|
|
$this->clear_message_cache($folder, $all_mode ? null : explode(',', $uids));
|
|
$this->clear_messagecount($folder);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/* --------------------------------
|
|
* 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
|
|
* @param string $rights Optional ACL requirements
|
|
* @param bool $skip_sort Enable to return unsorted list (for better performance)
|
|
*
|
|
* @return array List of folders
|
|
*/
|
|
public function list_folders_subscribed($root='', $name='*', $filter=null, $rights=null, $skip_sort=false)
|
|
{
|
|
$cache_key = $root.':'.$name;
|
|
if (!empty($filter)) {
|
|
$cache_key .= ':'.(is_string($filter) ? $filter : serialize($filter));
|
|
}
|
|
$cache_key .= ':'.$rights;
|
|
$cache_key = 'mailboxes.'.md5($cache_key);
|
|
|
|
// get cached folder list
|
|
$a_mboxes = $this->get_cache($cache_key);
|
|
if (is_array($a_mboxes)) {
|
|
return $a_mboxes;
|
|
}
|
|
|
|
// Give plugins a chance to provide a list of folders
|
|
$data = $this->plugins->exec_hook('storage_folders',
|
|
array('root' => $root, 'name' => $name, 'filter' => $filter, 'mode' => 'LSUB'));
|
|
|
|
if (isset($data['folders'])) {
|
|
$a_mboxes = $data['folders'];
|
|
}
|
|
else {
|
|
$a_mboxes = $this->list_folders_subscribed_direct($root, $name);
|
|
}
|
|
|
|
if (!is_array($a_mboxes)) {
|
|
return array();
|
|
}
|
|
|
|
// filter folders list according to rights requirements
|
|
if ($rights && $this->get_capability('ACL')) {
|
|
$a_mboxes = $this->filter_rights($a_mboxes, $rights);
|
|
}
|
|
|
|
// INBOX should always be available
|
|
if ((!$filter || $filter == 'mail') && !in_array('INBOX', $a_mboxes)) {
|
|
array_unshift($a_mboxes, 'INBOX');
|
|
}
|
|
|
|
// sort folders (always sort for cache)
|
|
if (!$skip_sort || $this->cache) {
|
|
$a_mboxes = $this->sort_folder_list($a_mboxes);
|
|
}
|
|
|
|
// write folders list to cache
|
|
$this->update_cache($cache_key, $a_mboxes);
|
|
|
|
return $a_mboxes;
|
|
}
|
|
|
|
/**
|
|
* Method for direct folders listing (LSUB)
|
|
*
|
|
* @param string $root Optional root folder
|
|
* @param string $name Optional name pattern
|
|
*
|
|
* @return array List of subscribed folders
|
|
* @see rcube_imap::list_folders_subscribed()
|
|
*/
|
|
public function list_folders_subscribed_direct($root='', $name='*')
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return null;
|
|
}
|
|
|
|
$config = rcube::get_instance()->config;
|
|
|
|
// Server supports LIST-EXTENDED, we can use selection options
|
|
// #1486225: Some dovecot versions returns wrong result using LIST-EXTENDED
|
|
$list_extended = !$config->get('imap_force_lsub') && $this->get_capability('LIST-EXTENDED');
|
|
if ($list_extended) {
|
|
// This will also set folder options, LSUB doesn't do that
|
|
$result = $this->conn->listMailboxes($root, $name,
|
|
NULL, array('SUBSCRIBED'));
|
|
}
|
|
else {
|
|
// retrieve list of folders from IMAP server using LSUB
|
|
$result = $this->conn->listSubscribed($root, $name);
|
|
}
|
|
|
|
if (!is_array($result)) {
|
|
return array();
|
|
}
|
|
|
|
// #1486796: some server configurations doesn't return folders in all namespaces
|
|
if ($root == '' && $name == '*' && $config->get('imap_force_ns')) {
|
|
$this->list_folders_update($result, ($list_extended ? 'ext-' : '') . 'subscribed');
|
|
}
|
|
|
|
// Remove hidden folders
|
|
if ($config->get('imap_skip_hidden_folders')) {
|
|
$result = array_filter($result, function($v) { return $v[0] != '.'; });
|
|
}
|
|
|
|
if ($list_extended) {
|
|
// unsubscribe non-existent folders, remove from the list
|
|
if ($name == '*' && !empty($this->conn->data['LIST'])) {
|
|
foreach ($result as $idx => $folder) {
|
|
if (($opts = $this->conn->data['LIST'][$folder])
|
|
&& in_array_nocase('\\NonExistent', $opts)
|
|
) {
|
|
$this->conn->unsubscribe($folder);
|
|
unset($result[$idx]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// unsubscribe non-existent folders, remove them from the list
|
|
if (!empty($result) && $name == '*') {
|
|
$existing = $this->list_folders($root, $name);
|
|
$nonexisting = array_diff($result, $existing);
|
|
$result = array_diff($result, $nonexisting);
|
|
|
|
foreach ($nonexisting as $folder) {
|
|
$this->conn->unsubscribe($folder);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Get a list of all folders available on the server
|
|
*
|
|
* @param string $root IMAP root dir
|
|
* @param string $name Optional name pattern
|
|
* @param mixed $filter Optional filter
|
|
* @param string $rights Optional ACL requirements
|
|
* @param bool $skip_sort Enable to return unsorted list (for better performance)
|
|
*
|
|
* @return array Indexed array with folder names
|
|
*/
|
|
public function list_folders($root='', $name='*', $filter=null, $rights=null, $skip_sort=false)
|
|
{
|
|
$cache_key = $root.':'.$name;
|
|
if (!empty($filter)) {
|
|
$cache_key .= ':'.(is_string($filter) ? $filter : serialize($filter));
|
|
}
|
|
$cache_key .= ':'.$rights;
|
|
$cache_key = 'mailboxes.list.'.md5($cache_key);
|
|
|
|
// get cached folder list
|
|
$a_mboxes = $this->get_cache($cache_key);
|
|
if (is_array($a_mboxes)) {
|
|
return $a_mboxes;
|
|
}
|
|
|
|
// Give plugins a chance to provide a list of folders
|
|
$data = $this->plugins->exec_hook('storage_folders',
|
|
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 = $this->list_folders_direct($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');
|
|
}
|
|
|
|
// cache folder attributes
|
|
if ($root == '' && $name == '*' && empty($filter) && !empty($this->conn->data)) {
|
|
$this->update_cache('mailboxes.attributes', $this->conn->data['LIST']);
|
|
}
|
|
|
|
// filter folders list according to rights requirements
|
|
if ($rights && $this->get_capability('ACL')) {
|
|
$a_mboxes = $this->filter_rights($a_mboxes, $rights);
|
|
}
|
|
|
|
// filter folders and sort them
|
|
if (!$skip_sort) {
|
|
$a_mboxes = $this->sort_folder_list($a_mboxes);
|
|
}
|
|
|
|
// write folders list to cache
|
|
$this->update_cache($cache_key, $a_mboxes);
|
|
|
|
return $a_mboxes;
|
|
}
|
|
|
|
/**
|
|
* Method for direct folders listing (LIST)
|
|
*
|
|
* @param string $root Optional root folder
|
|
* @param string $name Optional name pattern
|
|
*
|
|
* @return array List of folders
|
|
* @see rcube_imap::list_folders()
|
|
*/
|
|
public function list_folders_direct($root='', $name='*')
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return null;
|
|
}
|
|
|
|
$result = $this->conn->listMailboxes($root, $name);
|
|
|
|
if (!is_array($result)) {
|
|
return array();
|
|
}
|
|
|
|
$config = rcube::get_instance()->config;
|
|
|
|
// #1486796: some server configurations doesn't return folders in all namespaces
|
|
if ($root == '' && $name == '*' && $config->get('imap_force_ns')) {
|
|
$this->list_folders_update($result);
|
|
}
|
|
|
|
// Remove hidden folders
|
|
if ($config->get('imap_skip_hidden_folders')) {
|
|
$result = array_filter($result, function($v) { return $v[0] != '.'; });
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Fix folders list by adding folders from other namespaces.
|
|
* Needed on some servers eg. Courier IMAP
|
|
*
|
|
* @param array $result Reference to folders list
|
|
* @param string $type Listing type (ext-subscribed, subscribed or all)
|
|
*/
|
|
protected function list_folders_update(&$result, $type = null)
|
|
{
|
|
$namespace = $this->get_namespace();
|
|
$search = array();
|
|
|
|
// build list of namespace prefixes
|
|
foreach ((array)$namespace as $ns) {
|
|
if (is_array($ns)) {
|
|
foreach ($ns as $ns_data) {
|
|
if (strlen($ns_data[0])) {
|
|
$search[] = $ns_data[0];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!empty($search)) {
|
|
// go through all folders detecting namespace usage
|
|
foreach ($result as $folder) {
|
|
foreach ($search as $idx => $prefix) {
|
|
if (strpos($folder, $prefix) === 0) {
|
|
unset($search[$idx]);
|
|
}
|
|
}
|
|
if (empty($search)) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// get folders in hidden namespaces and add to the result
|
|
foreach ($search as $prefix) {
|
|
if ($type == 'ext-subscribed') {
|
|
$list = $this->conn->listMailboxes('', $prefix . '*', null, array('SUBSCRIBED'));
|
|
}
|
|
else if ($type == 'subscribed') {
|
|
$list = $this->conn->listSubscribed('', $prefix . '*');
|
|
}
|
|
else {
|
|
$list = $this->conn->listMailboxes('', $prefix . '*');
|
|
}
|
|
|
|
if (!empty($list)) {
|
|
$result = array_merge($result, $list);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filter the given list of folders according to access rights
|
|
*
|
|
* For performance reasons we assume user has full rights
|
|
* on all personal folders.
|
|
*/
|
|
protected function filter_rights($a_folders, $rights)
|
|
{
|
|
$regex = '/('.$rights.')/';
|
|
|
|
foreach ($a_folders as $idx => $folder) {
|
|
if ($this->folder_namespace($folder) == 'personal') {
|
|
continue;
|
|
}
|
|
|
|
$myrights = join('', (array)$this->my_rights($folder));
|
|
|
|
if ($myrights !== null && !preg_match($regex, $myrights)) {
|
|
unset($a_folders[$idx]);
|
|
}
|
|
}
|
|
|
|
return $a_folders;
|
|
}
|
|
|
|
/**
|
|
* Get mailbox quota information
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return mixed Quota info or False if not supported
|
|
*/
|
|
public function get_quota($folder = null)
|
|
{
|
|
if ($this->get_capability('QUOTA') && $this->check_connection()) {
|
|
return $this->conn->getQuota($folder);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get folder size (size of all messages in a folder)
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return int Folder size in bytes, False on error
|
|
*/
|
|
public function folder_size($folder)
|
|
{
|
|
if (!strlen($folder)) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return 0;
|
|
}
|
|
|
|
// On Cyrus we can use special folder annotation, which should be much faster
|
|
if ($this->get_vendor() == 'cyrus') {
|
|
$idx = '/shared/vendor/cmu/cyrus-imapd/size';
|
|
$result = $this->get_metadata($folder, $idx, array(), true);
|
|
|
|
if (!empty($result) && is_numeric($result[$folder][$idx])) {
|
|
return $result[$folder][$idx];
|
|
}
|
|
}
|
|
|
|
// @TODO: could we try to use QUOTA here?
|
|
$result = $this->conn->fetchHeaderIndex($folder, '1:*', 'SIZE', false);
|
|
|
|
if (is_array($result)) {
|
|
$result = array_sum($result);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Subscribe to a specific folder(s)
|
|
*
|
|
* @param array $folders Folder name(s)
|
|
*
|
|
* @return boolean True on success
|
|
*/
|
|
public function subscribe($folders)
|
|
{
|
|
// let this common function do the main work
|
|
return $this->change_subscription($folders, 'subscribe');
|
|
}
|
|
|
|
/**
|
|
* Unsubscribe folder(s)
|
|
*
|
|
* @param array $a_mboxes Folder name(s)
|
|
*
|
|
* @return boolean True on success
|
|
*/
|
|
public function unsubscribe($folders)
|
|
{
|
|
// let this common function do the main work
|
|
return $this->change_subscription($folders, 'unsubscribe');
|
|
}
|
|
|
|
/**
|
|
* Create a new folder on the server and register it in local cache
|
|
*
|
|
* @param string $folder New folder name
|
|
* @param boolean $subscribe True if the new folder should be subscribed
|
|
* @param string $type Optional folder type (junk, trash, drafts, sent, archive)
|
|
*
|
|
* @return boolean True on success
|
|
*/
|
|
public function create_folder($folder, $subscribe = false, $type = null)
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
$result = $this->conn->createFolder($folder, $type ? array("\\" . ucfirst($type)) : null);
|
|
|
|
// try to subscribe it
|
|
if ($result) {
|
|
// clear cache
|
|
$this->clear_cache('mailboxes', true);
|
|
|
|
if ($subscribe) {
|
|
$this->subscribe($folder);
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Set a new name to an existing folder
|
|
*
|
|
* @param string $folder Folder to rename
|
|
* @param string $new_name New folder name
|
|
*
|
|
* @return boolean True on success
|
|
*/
|
|
public function rename_folder($folder, $new_name)
|
|
{
|
|
if (!strlen($new_name)) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
$delm = $this->get_hierarchy_delimiter();
|
|
|
|
// get list of subscribed folders
|
|
if ((strpos($folder, '%') === false) && (strpos($folder, '*') === false)) {
|
|
$a_subscribed = $this->list_folders_subscribed('', $folder . $delm . '*');
|
|
$subscribed = $this->folder_exists($folder, true);
|
|
}
|
|
else {
|
|
$a_subscribed = $this->list_folders_subscribed();
|
|
$subscribed = in_array($folder, $a_subscribed);
|
|
}
|
|
|
|
$result = $this->conn->renameFolder($folder, $new_name);
|
|
|
|
if ($result) {
|
|
// unsubscribe the old folder, subscribe the new one
|
|
if ($subscribed) {
|
|
$this->conn->unsubscribe($folder);
|
|
$this->conn->subscribe($new_name);
|
|
}
|
|
|
|
// check if folder children are subscribed
|
|
foreach ($a_subscribed as $c_subscribed) {
|
|
if (strpos($c_subscribed, $folder.$delm) === 0) {
|
|
$this->conn->unsubscribe($c_subscribed);
|
|
$this->conn->subscribe(preg_replace('/^'.preg_quote($folder, '/').'/',
|
|
$new_name, $c_subscribed));
|
|
|
|
// clear cache
|
|
$this->clear_message_cache($c_subscribed);
|
|
}
|
|
}
|
|
|
|
// clear cache
|
|
$this->clear_message_cache($folder);
|
|
$this->clear_cache('mailboxes', true);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Remove folder from server
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return boolean True on success
|
|
*/
|
|
function delete_folder($folder)
|
|
{
|
|
$delm = $this->get_hierarchy_delimiter();
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
// get list of folders
|
|
if ((strpos($folder, '%') === false) && (strpos($folder, '*') === false)) {
|
|
$sub_mboxes = $this->list_folders('', $folder . $delm . '*');
|
|
}
|
|
else {
|
|
$sub_mboxes = $this->list_folders();
|
|
}
|
|
|
|
// send delete command to server
|
|
$result = $this->conn->deleteFolder($folder);
|
|
|
|
if ($result) {
|
|
// unsubscribe folder
|
|
$this->conn->unsubscribe($folder);
|
|
|
|
foreach ($sub_mboxes as $c_mbox) {
|
|
if (strpos($c_mbox, $folder.$delm) === 0) {
|
|
$this->conn->unsubscribe($c_mbox);
|
|
if ($this->conn->deleteFolder($c_mbox)) {
|
|
$this->clear_message_cache($c_mbox);
|
|
}
|
|
}
|
|
}
|
|
|
|
// clear folder-related cache
|
|
$this->clear_message_cache($folder);
|
|
$this->clear_cache('mailboxes', true);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Detect special folder associations stored in storage backend
|
|
*/
|
|
public function get_special_folders($forced = false)
|
|
{
|
|
$result = parent::get_special_folders();
|
|
|
|
if (isset($this->icache['special-use'])) {
|
|
return array_merge($result, $this->icache['special-use']);
|
|
}
|
|
|
|
if (!$forced || !$this->get_capability('SPECIAL-USE')) {
|
|
return $result;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return $result;
|
|
}
|
|
|
|
$types = array_map(function($value) { return "\\" . ucfirst($value); }, rcube_storage::$folder_types);
|
|
$special = array();
|
|
|
|
// request \Subscribed flag in LIST response as performance improvement for folder_exists()
|
|
$folders = $this->conn->listMailboxes('', '*', array('SUBSCRIBED'), array('SPECIAL-USE'));
|
|
|
|
if (!empty($folders)) {
|
|
foreach ($folders as $folder) {
|
|
if ($flags = $this->conn->data['LIST'][$folder]) {
|
|
foreach ($types as $type) {
|
|
if (in_array($type, $flags)) {
|
|
$type = strtolower(substr($type, 1));
|
|
$special[$type] = $folder;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$this->icache['special-use'] = $special;
|
|
unset($this->icache['special-folders']);
|
|
|
|
return array_merge($result, $special);
|
|
}
|
|
|
|
/**
|
|
* Set special folder associations stored in storage backend
|
|
*/
|
|
public function set_special_folders($specials)
|
|
{
|
|
if (!$this->get_capability('SPECIAL-USE') || !$this->get_capability('METADATA')) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
$folders = $this->get_special_folders(true);
|
|
$old = (array) $this->icache['special-use'];
|
|
|
|
foreach ($specials as $type => $folder) {
|
|
if (in_array($type, rcube_storage::$folder_types)) {
|
|
$old_folder = $old[$type];
|
|
if ($old_folder !== $folder) {
|
|
// unset old-folder metadata
|
|
if ($old_folder !== null) {
|
|
$this->delete_metadata($old_folder, array('/private/specialuse'));
|
|
}
|
|
// set new folder metadata
|
|
if ($folder) {
|
|
$this->set_metadata($folder, array('/private/specialuse' => "\\" . ucfirst($type)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$this->icache['special-use'] = $specials;
|
|
unset($this->icache['special-folders']);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Checks if folder exists and is subscribed
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param boolean $subscription Enable subscription checking
|
|
*
|
|
* @return boolean TRUE or FALSE
|
|
*/
|
|
public function folder_exists($folder, $subscription = false)
|
|
{
|
|
if ($folder == 'INBOX') {
|
|
return true;
|
|
}
|
|
|
|
$key = $subscription ? 'subscribed' : 'existing';
|
|
|
|
if (is_array($this->icache[$key]) && in_array($folder, $this->icache[$key])) {
|
|
return true;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
if ($subscription) {
|
|
// It's possible we already called LIST command, check LIST data
|
|
if (!empty($this->conn->data['LIST']) && !empty($this->conn->data['LIST'][$folder])
|
|
&& in_array_nocase('\\Subscribed', $this->conn->data['LIST'][$folder])
|
|
) {
|
|
$a_folders = array($folder);
|
|
}
|
|
else {
|
|
$a_folders = $this->conn->listSubscribed('', $folder);
|
|
}
|
|
}
|
|
else {
|
|
// It's possible we already called LIST command, check LIST data
|
|
if (!empty($this->conn->data['LIST']) && isset($this->conn->data['LIST'][$folder])) {
|
|
$a_folders = array($folder);
|
|
}
|
|
else {
|
|
$a_folders = $this->conn->listMailboxes('', $folder);
|
|
}
|
|
}
|
|
|
|
if (is_array($a_folders) && in_array($folder, $a_folders)) {
|
|
$this->icache[$key][] = $folder;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns the namespace where the folder is in
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return string One of 'personal', 'other' or 'shared'
|
|
*/
|
|
public function folder_namespace($folder)
|
|
{
|
|
if ($folder == 'INBOX') {
|
|
return 'personal';
|
|
}
|
|
|
|
foreach ($this->namespace as $type => $namespace) {
|
|
if (is_array($namespace)) {
|
|
foreach ($namespace as $ns) {
|
|
if ($len = strlen($ns[0])) {
|
|
if (($len > 1 && $folder == substr($ns[0], 0, -1))
|
|
|| strpos($folder, $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 $folder Folder name
|
|
* @param string $mode Mode name (out/in)
|
|
*
|
|
* @return string Folder name
|
|
*/
|
|
public function mod_folder($folder, $mode = 'out')
|
|
{
|
|
if (!strlen($folder)) {
|
|
return $folder;
|
|
}
|
|
|
|
$prefix = $this->namespace['prefix']; // see set_env()
|
|
$prefix_len = strlen($prefix);
|
|
|
|
if (!$prefix_len) {
|
|
return $folder;
|
|
}
|
|
|
|
// remove prefix for output
|
|
if ($mode == 'out') {
|
|
if (substr($folder, 0, $prefix_len) === $prefix) {
|
|
return substr($folder, $prefix_len);
|
|
}
|
|
}
|
|
// add prefix for input (e.g. folder creation)
|
|
else {
|
|
return $prefix . $folder;
|
|
}
|
|
|
|
return $folder;
|
|
}
|
|
|
|
/**
|
|
* Gets folder attributes from LIST response, e.g. \Noselect, \Noinferiors
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param bool $force Set to True if attributes should be refreshed
|
|
*
|
|
* @return array Options list
|
|
*/
|
|
public function folder_attributes($folder, $force=false)
|
|
{
|
|
// get attributes directly from LIST command
|
|
if (!empty($this->conn->data['LIST']) && is_array($this->conn->data['LIST'][$folder])) {
|
|
$opts = $this->conn->data['LIST'][$folder];
|
|
}
|
|
// get cached folder attributes
|
|
else if (!$force) {
|
|
$opts = $this->get_cache('mailboxes.attributes');
|
|
$opts = $opts[$folder];
|
|
}
|
|
|
|
if (!is_array($opts)) {
|
|
if (!$this->check_connection()) {
|
|
return array();
|
|
}
|
|
|
|
$this->conn->listMailboxes('', $folder);
|
|
$opts = $this->conn->data['LIST'][$folder];
|
|
}
|
|
|
|
return is_array($opts) ? $opts : array();
|
|
}
|
|
|
|
/**
|
|
* Gets connection (and current folder) data: UIDVALIDITY, EXISTS, RECENT,
|
|
* PERMANENTFLAGS, UIDNEXT, UNSEEN
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return array Data
|
|
*/
|
|
public function folder_data($folder)
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder !== null ? $this->folder : 'INBOX';
|
|
}
|
|
|
|
if ($this->conn->selected != $folder) {
|
|
if (!$this->check_connection()) {
|
|
return array();
|
|
}
|
|
|
|
if ($this->conn->select($folder)) {
|
|
$this->folder = $folder;
|
|
}
|
|
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']->get_parameters('MAILBOX') == $folder
|
|
) {
|
|
$data['UNDELETED'] = $this->icache['undeleted_idx'];
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Returns extended information about the folder
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return array Data
|
|
*/
|
|
public function folder_info($folder)
|
|
{
|
|
if ($this->icache['options'] && $this->icache['options']['name'] == $folder) {
|
|
return $this->icache['options'];
|
|
}
|
|
|
|
// get cached metadata
|
|
$cache_key = 'mailboxes.folder-info.' . $folder;
|
|
$cached = $this->get_cache($cache_key);
|
|
|
|
if (is_array($cached)) {
|
|
return $cached;
|
|
}
|
|
|
|
$acl = $this->get_capability('ACL');
|
|
$namespace = $this->get_namespace();
|
|
$options = array();
|
|
|
|
// check if the folder is a namespace prefix
|
|
if (!empty($namespace)) {
|
|
$mbox = $folder . $this->delimiter;
|
|
foreach ($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, $folder);
|
|
if (count($parts) == 2) {
|
|
$mbox = $parts[0] . $this->delimiter;
|
|
foreach ($namespace['other'] as $item) {
|
|
if ($item[0] === $mbox) {
|
|
$options['is_root'] = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$options['name'] = $folder;
|
|
$options['attributes'] = $this->folder_attributes($folder, true);
|
|
$options['namespace'] = $this->folder_namespace($folder);
|
|
$options['special'] = $this->is_special_folder($folder);
|
|
|
|
// Set 'noselect' flag
|
|
if (is_array($options['attributes'])) {
|
|
foreach ($options['attributes'] as $attrib) {
|
|
$attrib = strtolower($attrib);
|
|
if ($attrib == '\noselect' || $attrib == '\nonexistent') {
|
|
$options['noselect'] = true;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
$options['noselect'] = true;
|
|
}
|
|
|
|
// Get folder rights (MYRIGHTS)
|
|
if ($acl && ($rights = $this->my_rights($folder))) {
|
|
$options['rights'] = $rights;
|
|
}
|
|
|
|
// Set 'norename' flag
|
|
if (!empty($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';
|
|
}
|
|
|
|
// update caches
|
|
$this->icache['options'] = $options;
|
|
$this->update_cache($cache_key, $options);
|
|
|
|
return $options;
|
|
}
|
|
|
|
/**
|
|
* Synchronizes messages cache.
|
|
*
|
|
* @param string $folder Folder name
|
|
*/
|
|
public function folder_sync($folder)
|
|
{
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
$mcache->synchronize($folder);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get message header names for rcube_imap_generic::fetchHeader(s)
|
|
*
|
|
* @return string Space-separated list of header names
|
|
*/
|
|
protected function get_fetch_headers()
|
|
{
|
|
if (!empty($this->options['fetch_headers'])) {
|
|
$headers = explode(' ', $this->options['fetch_headers']);
|
|
}
|
|
else {
|
|
$headers = array();
|
|
}
|
|
|
|
if ($this->messages_caching || $this->options['all_headers']) {
|
|
$headers = array_merge($headers, $this->all_headers);
|
|
}
|
|
|
|
return $headers;
|
|
}
|
|
|
|
|
|
/* -----------------------------------------
|
|
* ACL and METADATA/ANNOTATEMORE methods
|
|
* ----------------------------------------*/
|
|
|
|
/**
|
|
* Changes the ACL on the specified folder (SETACL)
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param string $user User name
|
|
* @param string $acl ACL string
|
|
*
|
|
* @return boolean True on success, False on failure
|
|
* @since 0.5-beta
|
|
*/
|
|
public function set_acl($folder, $user, $acl)
|
|
{
|
|
if (!$this->get_capability('ACL')) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
$this->clear_cache('mailboxes.folder-info.' . $folder);
|
|
|
|
return $this->conn->setACL($folder, $user, $acl);
|
|
}
|
|
|
|
/**
|
|
* Removes any <identifier,rights> pair for the
|
|
* specified user from the ACL for the specified
|
|
* folder (DELETEACL)
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param string $user User name
|
|
*
|
|
* @return boolean True on success, False on failure
|
|
* @since 0.5-beta
|
|
*/
|
|
public function delete_acl($folder, $user)
|
|
{
|
|
if (!$this->get_capability('ACL')) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
return $this->conn->deleteACL($folder, $user);
|
|
}
|
|
|
|
/**
|
|
* Returns the access control list for folder (GETACL)
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return array User-rights array on success, NULL on error
|
|
* @since 0.5-beta
|
|
*/
|
|
public function get_acl($folder)
|
|
{
|
|
if (!$this->get_capability('ACL')) {
|
|
return null;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return null;
|
|
}
|
|
|
|
return $this->conn->getACL($folder);
|
|
}
|
|
|
|
/**
|
|
* Returns information about what rights can be granted to the
|
|
* user (identifier) in the ACL for the folder (LISTRIGHTS)
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param string $user User name
|
|
*
|
|
* @return array List of user rights
|
|
* @since 0.5-beta
|
|
*/
|
|
public function list_rights($folder, $user)
|
|
{
|
|
if (!$this->get_capability('ACL')) {
|
|
return null;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return null;
|
|
}
|
|
|
|
return $this->conn->listRights($folder, $user);
|
|
}
|
|
|
|
/**
|
|
* Returns the set of rights that the current user has to
|
|
* folder (MYRIGHTS)
|
|
*
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return array MYRIGHTS response on success, NULL on error
|
|
* @since 0.5-beta
|
|
*/
|
|
public function my_rights($folder)
|
|
{
|
|
if (!$this->get_capability('ACL')) {
|
|
return null;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return null;
|
|
}
|
|
|
|
return $this->conn->myRights($folder);
|
|
}
|
|
|
|
/**
|
|
* Sets IMAP metadata/annotations (SETMETADATA/SETANNOTATION)
|
|
*
|
|
* @param string $folder Folder name (empty for server metadata)
|
|
* @param array $entries Entry-value array (use NULL value as NIL)
|
|
*
|
|
* @return boolean True on success, False on failure
|
|
* @since 0.5-beta
|
|
*/
|
|
public function set_metadata($folder, $entries)
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
$this->clear_cache('mailboxes.metadata.', true);
|
|
|
|
if ($this->get_capability('METADATA') ||
|
|
(!strlen($folder) && $this->get_capability('METADATA-SERVER'))
|
|
) {
|
|
return $this->conn->setMetadata($folder, $entries);
|
|
}
|
|
else if ($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 $this->conn->setAnnotation($folder, $entries);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Unsets IMAP metadata/annotations (SETMETADATA/SETANNOTATION)
|
|
*
|
|
* @param string $folder Folder name (empty for server metadata)
|
|
* @param array $entries Entry names array
|
|
*
|
|
* @return boolean True on success, False on failure
|
|
* @since 0.5-beta
|
|
*/
|
|
public function delete_metadata($folder, $entries)
|
|
{
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
$this->clear_cache('mailboxes.metadata.', true);
|
|
|
|
if ($this->get_capability('METADATA') ||
|
|
(!strlen($folder) && $this->get_capability('METADATA-SERVER'))
|
|
) {
|
|
return $this->conn->deleteMetadata($folder, $entries);
|
|
}
|
|
else if ($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 $this->conn->setAnnotation($folder, $entries);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns IMAP metadata/annotations (GETMETADATA/GETANNOTATION)
|
|
*
|
|
* @param string $folder Folder name (empty for server metadata)
|
|
* @param array $entries Entries
|
|
* @param array $options Command options (with MAXSIZE and DEPTH keys)
|
|
* @param bool $force Disables cache use
|
|
*
|
|
* @return array Metadata entry-value hash array on success, NULL on error
|
|
* @since 0.5-beta
|
|
*/
|
|
public function get_metadata($folder, $entries, $options = array(), $force = false)
|
|
{
|
|
$entries = (array) $entries;
|
|
|
|
if (!$force) {
|
|
// create cache key
|
|
// @TODO: this is the simplest solution, but we do the same with folders list
|
|
// maybe we should store data per-entry and merge on request
|
|
sort($options);
|
|
sort($entries);
|
|
$cache_key = 'mailboxes.metadata.' . $folder;
|
|
$cache_key .= '.' . md5(serialize($options).serialize($entries));
|
|
|
|
// get cached data
|
|
$cached_data = $this->get_cache($cache_key);
|
|
|
|
if (is_array($cached_data)) {
|
|
return $cached_data;
|
|
}
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return null;
|
|
}
|
|
|
|
if ($this->get_capability('METADATA') ||
|
|
(!strlen($folder) && $this->get_capability('METADATA-SERVER'))
|
|
) {
|
|
$res = $this->conn->getMetadata($folder, $entries, $options);
|
|
}
|
|
else if ($this->get_capability('ANNOTATEMORE') || $this->get_capability('ANNOTATEMORE2')) {
|
|
$queries = array();
|
|
$res = array();
|
|
|
|
// Convert entry names
|
|
foreach ($entries as $entry) {
|
|
list($ent, $attr) = $this->md2annotate($entry);
|
|
$queries[$attr][] = $ent;
|
|
}
|
|
|
|
// @TODO: Honor MAXSIZE and DEPTH options
|
|
foreach ($queries as $attrib => $entry) {
|
|
$result = $this->conn->getAnnotation($folder, $entry, $attrib);
|
|
|
|
// an error, invalidate any previous getAnnotation() results
|
|
if (!is_array($result)) {
|
|
return null;
|
|
}
|
|
else {
|
|
foreach ($result as $fldr => $data) {
|
|
$res[$fldr] = array_merge((array) $res[$fldr], $data);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($res)) {
|
|
if (!$force) {
|
|
$this->update_cache($cache_key, $res);
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts the METADATA extension entry name into the correct
|
|
* entry-attrib names for older ANNOTATEMORE version.
|
|
*
|
|
* @param string $entry Entry name
|
|
*
|
|
* @return array Entry-attribute list, NULL if not supported (?)
|
|
*/
|
|
protected function md2annotate($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
|
|
}
|
|
|
|
|
|
/* --------------------------------
|
|
* internal caching methods
|
|
* --------------------------------*/
|
|
|
|
/**
|
|
* Enable or disable indexes caching
|
|
*
|
|
* @param string $type Cache type (@see rcube::get_cache)
|
|
*/
|
|
public function set_caching($type)
|
|
{
|
|
if ($type) {
|
|
$this->caching = $type;
|
|
}
|
|
else {
|
|
if ($this->cache) {
|
|
$this->cache->close();
|
|
}
|
|
$this->cache = null;
|
|
$this->caching = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Getter for IMAP cache object
|
|
*/
|
|
protected function get_cache_engine()
|
|
{
|
|
if ($this->caching && !$this->cache) {
|
|
$rcube = rcube::get_instance();
|
|
$ttl = $rcube->config->get('imap_cache_ttl', '10d');
|
|
$this->cache = $rcube->get_cache('IMAP', $this->caching, $ttl);
|
|
}
|
|
|
|
return $this->cache;
|
|
}
|
|
|
|
/**
|
|
* Returns cached value
|
|
*
|
|
* @param string $key Cache key
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public function get_cache($key)
|
|
{
|
|
if ($cache = $this->get_cache_engine()) {
|
|
return $cache->get($key);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update cache
|
|
*
|
|
* @param string $key Cache key
|
|
* @param mixed $data Data
|
|
*/
|
|
public function update_cache($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 $key
|
|
*/
|
|
public function clear_cache($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
|
|
* @param int $mode Cache mode
|
|
*/
|
|
public function set_messages_caching($set, $mode = null)
|
|
{
|
|
if ($set) {
|
|
$this->messages_caching = true;
|
|
|
|
if ($mode && ($cache = $this->get_mcache_engine())) {
|
|
$cache->set_mode($mode);
|
|
}
|
|
}
|
|
else {
|
|
if ($this->mcache) {
|
|
$this->mcache->close();
|
|
}
|
|
$this->mcache = null;
|
|
$this->messages_caching = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Getter for messages cache object
|
|
*/
|
|
protected function get_mcache_engine()
|
|
{
|
|
if ($this->messages_caching && !$this->mcache) {
|
|
$rcube = rcube::get_instance();
|
|
if (($dbh = $rcube->get_dbh()) && ($userid = $rcube->get_user_id())) {
|
|
$ttl = $rcube->config->get('messages_cache_ttl', '10d');
|
|
$threshold = $rcube->config->get('messages_cache_threshold', 50);
|
|
$this->mcache = new rcube_imap_cache(
|
|
$dbh, $this, $userid, $this->options['skip_deleted'], $ttl, $threshold);
|
|
}
|
|
}
|
|
|
|
return $this->mcache;
|
|
}
|
|
|
|
/**
|
|
* Clears the messages cache.
|
|
*
|
|
* @param string $folder Folder name
|
|
* @param array $uids Optional message UIDs to remove from cache
|
|
*/
|
|
protected function clear_message_cache($folder = null, $uids = null)
|
|
{
|
|
if ($mcache = $this->get_mcache_engine()) {
|
|
$mcache->clear($folder, $uids);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Delete outdated cache entries
|
|
*/
|
|
function cache_gc()
|
|
{
|
|
rcube_imap_cache::gc();
|
|
}
|
|
|
|
|
|
/* --------------------------------
|
|
* protected methods
|
|
* --------------------------------*/
|
|
|
|
/**
|
|
* Validate the given input and save to local properties
|
|
*
|
|
* @param string $sort_field Sort column
|
|
* @param string $sort_order Sort order
|
|
*/
|
|
protected function set_sort_order($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 folders first by default folders and then in alphabethical order
|
|
*
|
|
* @param array $a_folders Folders list
|
|
* @param bool $skip_default Skip default folders handling
|
|
*
|
|
* @return array Sorted list
|
|
*/
|
|
public function sort_folder_list($a_folders, $skip_default = false)
|
|
{
|
|
$specials = array_merge(array('INBOX'), array_values($this->get_special_folders()));
|
|
$folders = array();
|
|
|
|
// convert names to UTF-8
|
|
foreach ($a_folders as $folder) {
|
|
// for better performance skip encoding conversion
|
|
// if the string does not look like UTF7-IMAP
|
|
$folders[$folder] = strpos($folder, '&') === false ? $folder : rcube_charset::convert($folder, 'UTF7-IMAP');
|
|
}
|
|
|
|
// sort folders
|
|
// asort($folders, SORT_LOCALE_STRING) is not properly sorting case sensitive names
|
|
uasort($folders, array($this, 'sort_folder_comparator'));
|
|
|
|
$folders = array_keys($folders);
|
|
|
|
if ($skip_default) {
|
|
return $folders;
|
|
}
|
|
|
|
// force the type of folder name variable (#1485527)
|
|
$folders = array_map('strval', $folders);
|
|
$out = array();
|
|
|
|
// finally we must put special folders on top and rebuild the list
|
|
// to move their subfolders where they belong...
|
|
$specials = array_unique(array_intersect($specials, $folders));
|
|
$folders = array_merge($specials, array_diff($folders, $specials));
|
|
|
|
$this->sort_folder_specials(null, $folders, $specials, $out);
|
|
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Recursive function to put subfolders of special folders in place
|
|
*/
|
|
protected function sort_folder_specials($folder, &$list, &$specials, &$out)
|
|
{
|
|
while (list($key, $name) = each($list)) {
|
|
if ($folder === null || strpos($name, $folder.$this->delimiter) === 0) {
|
|
$out[] = $name;
|
|
unset($list[$key]);
|
|
|
|
if (!empty($specials) && ($found = array_search($name, $specials)) !== false) {
|
|
unset($specials[$found]);
|
|
$this->sort_folder_specials($name, $list, $specials, $out);
|
|
}
|
|
}
|
|
}
|
|
|
|
reset($list);
|
|
}
|
|
|
|
/**
|
|
* Callback for uasort() that implements correct
|
|
* locale-aware case-sensitive sorting
|
|
*/
|
|
protected function sort_folder_comparator($str1, $str2)
|
|
{
|
|
$path1 = explode($this->delimiter, $str1);
|
|
$path2 = explode($this->delimiter, $str2);
|
|
|
|
foreach ($path1 as $idx => $folder1) {
|
|
$folder2 = $path2[$idx];
|
|
|
|
if ($folder1 === $folder2) {
|
|
continue;
|
|
}
|
|
|
|
return strcoll($folder1, $folder2);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Find UID of the specified message sequence ID
|
|
*
|
|
* @param int $id Message (sequence) ID
|
|
* @param string $folder Folder name
|
|
*
|
|
* @return int Message UID
|
|
*/
|
|
public function id2uid($id, $folder = null)
|
|
{
|
|
if (!strlen($folder)) {
|
|
$folder = $this->folder;
|
|
}
|
|
|
|
if (!$this->check_connection()) {
|
|
return null;
|
|
}
|
|
|
|
return $this->conn->ID2UID($folder, $id);
|
|
}
|
|
|
|
/**
|
|
* Subscribe/unsubscribe a list of folders and update local cache
|
|
*/
|
|
protected function change_subscription($folders, $mode)
|
|
{
|
|
$updated = 0;
|
|
$folders = (array) $folders;
|
|
|
|
if (!empty($folders)) {
|
|
if (!$this->check_connection()) {
|
|
return false;
|
|
}
|
|
|
|
foreach ($folders as $folder) {
|
|
$updated += (int) $this->conn->{$mode}($folder);
|
|
}
|
|
}
|
|
|
|
// clear cached folders list(s)
|
|
if ($updated) {
|
|
$this->clear_cache('mailboxes', true);
|
|
}
|
|
|
|
return $updated == count($folders) ? true : false;
|
|
}
|
|
|
|
/**
|
|
* Increde/decrese messagecount for a specific folder
|
|
*/
|
|
protected function set_messagecount($folder, $mode, $increment)
|
|
{
|
|
if (!is_numeric($increment)) {
|
|
return false;
|
|
}
|
|
|
|
$mode = strtoupper($mode);
|
|
$a_folder_cache = $this->get_cache('messagecount');
|
|
|
|
if (!is_array($a_folder_cache[$folder]) || !isset($a_folder_cache[$folder][$mode])) {
|
|
return false;
|
|
}
|
|
|
|
// add incremental value to messagecount
|
|
$a_folder_cache[$folder][$mode] += $increment;
|
|
|
|
// there's something wrong, delete from cache
|
|
if ($a_folder_cache[$folder][$mode] < 0) {
|
|
unset($a_folder_cache[$folder][$mode]);
|
|
}
|
|
|
|
// write back to cache
|
|
$this->update_cache('messagecount', $a_folder_cache);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Remove messagecount of a specific folder from cache
|
|
*/
|
|
protected function clear_messagecount($folder, $mode=null)
|
|
{
|
|
$a_folder_cache = $this->get_cache('messagecount');
|
|
|
|
if (is_array($a_folder_cache[$folder])) {
|
|
if ($mode) {
|
|
unset($a_folder_cache[$folder][$mode]);
|
|
}
|
|
else {
|
|
unset($a_folder_cache[$folder]);
|
|
}
|
|
$this->update_cache('messagecount', $a_folder_cache);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts date string/object into IMAP date/time format
|
|
*/
|
|
protected function date_format($date)
|
|
{
|
|
if (empty($date)) {
|
|
return null;
|
|
}
|
|
|
|
if (!is_object($date) || !is_a($date, 'DateTime')) {
|
|
try {
|
|
$timestamp = rcube_utils::strtotime($date);
|
|
$date = new DateTime("@".$timestamp);
|
|
}
|
|
catch (Exception $e) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
return $date->format('d-M-Y H:i:s O');
|
|
}
|
|
|
|
/**
|
|
* This is our own debug handler for the IMAP connection
|
|
*/
|
|
public function debug_handler(&$imap, $message)
|
|
{
|
|
rcube::write_log('imap', $message);
|
|
}
|
|
}
|