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diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index f4689215c..29ed66a43 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -1,2147 +1,2148 @@
<?php
/*
+-----------------------------------------------------------------------+
| program/include/rcmail.php |
| |
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2008-2014, The Roundcube Dev Team |
| Copyright (C) 2011-2014, Kolab Systems AG |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Application class providing core functions and holding |
| instances of all 'global' objects like db- and imap-connections |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
| Author: Aleksander Machniak <alec@alec.pl> |
+-----------------------------------------------------------------------+
*/
/**
* Application class of Roundcube Webmail
* implemented as singleton
*
* @package Webmail
*/
class rcmail extends rcube
{
/**
* Main tasks.
*
* @var array
*/
static public $main_tasks = array('mail','settings','addressbook','login','logout','utils','dummy');
/**
* Current task.
*
* @var string
*/
public $task;
/**
* Current action.
*
* @var string
*/
public $action = '';
public $comm_path = './';
public $filename = '';
private $address_books = array();
private $action_map = array();
const ERROR_STORAGE = -2;
const ERROR_INVALID_REQUEST = 1;
const ERROR_INVALID_HOST = 2;
const ERROR_COOKIES_DISABLED = 3;
/**
* This implements the 'singleton' design pattern
*
* @param string Environment name to run (e.g. live, dev, test)
*
* @return rcmail The one and only instance
*/
static function get_instance($env = '')
{
if (!self::$instance || !is_a(self::$instance, 'rcmail')) {
self::$instance = new rcmail($env);
// init AFTER object was linked with self::$instance
self::$instance->startup();
}
return self::$instance;
}
/**
* Initial startup function
* to register session, create database and imap connections
*/
protected function startup()
{
$this->init(self::INIT_WITH_DB | self::INIT_WITH_PLUGINS);
// set filename if not index.php
if (($basename = basename($_SERVER['SCRIPT_FILENAME'])) && $basename != 'index.php') {
$this->filename = $basename;
}
// start session
$this->session_init();
// create user object
$this->set_user(new rcube_user($_SESSION['user_id']));
// set task and action properties
$this->set_task(rcube_utils::get_input_value('_task', rcube_utils::INPUT_GPC));
$this->action = asciiwords(rcube_utils::get_input_value('_action', rcube_utils::INPUT_GPC));
// reset some session parameters when changing task
if ($this->task != 'utils') {
// we reset list page when switching to another task
// but only to the main task interface - empty action (#1489076)
// this will prevent from unintentional page reset on cross-task requests
if ($this->session && $_SESSION['task'] != $this->task && empty($this->action)) {
$this->session->remove('page');
}
// set current task to session
$_SESSION['task'] = $this->task;
}
// init output class
if (!empty($_REQUEST['_remote']))
$GLOBALS['OUTPUT'] = $this->json_init();
else
$GLOBALS['OUTPUT'] = $this->load_gui(!empty($_REQUEST['_framed']));
// load plugins
$this->plugins->init($this, $this->task);
$this->plugins->load_plugins((array)$this->config->get('plugins', array()),
array('filesystem_attachments', 'jqueryui'));
}
/**
* Setter for application task
*
* @param string Task to set
*/
public function set_task($task)
{
$task = asciiwords($task, true);
if ($this->user && $this->user->ID)
$task = !$task ? 'mail' : $task;
else if (php_sapi_name() == 'cli')
$task = 'cli';
else
$task = 'login';
$this->task = $task;
$this->comm_path = $this->url(array('task' => $this->task));
if ($this->output) {
$this->output->set_env('task', $this->task);
}
}
/**
* Setter for system user object
*
* @param rcube_user Current user instance
*/
public function set_user($user)
{
parent::set_user($user);
$lang = $this->language_prop($this->config->get('language', $_SESSION['language']));
$_SESSION['language'] = $this->user->language = $lang;
// set localization
setlocale(LC_ALL, $lang . '.utf8', $lang . '.UTF-8', 'en_US.utf8', 'en_US.UTF-8');
// workaround for http://bugs.php.net/bug.php?id=18556
if (version_compare(PHP_VERSION, '5.5.0', '<') && in_array($lang, array('tr_TR', 'ku', 'az_AZ'))) {
setlocale(LC_CTYPE, 'en_US.utf8', 'en_US.UTF-8');
}
}
/**
* Return instance of the internal address book class
*
* @param string Address book identifier (-1 for default addressbook)
* @param boolean True if the address book needs to be writeable
*
* @return rcube_contacts Address book object
*/
public function get_address_book($id, $writeable = false)
{
$contacts = null;
$ldap_config = (array)$this->config->get('ldap_public');
// 'sql' is the alias for '0' used by autocomplete
if ($id == 'sql')
$id = '0';
else if ($id == -1) {
$id = $this->config->get('default_addressbook');
$default = true;
}
// use existing instance
if (isset($this->address_books[$id]) && ($this->address_books[$id] instanceof rcube_addressbook)) {
$contacts = $this->address_books[$id];
}
else if ($id && $ldap_config[$id]) {
$domain = $this->config->mail_domain($_SESSION['storage_host']);
$contacts = new rcube_ldap($ldap_config[$id], $this->config->get('ldap_debug'), $domain);
}
else if ($id === '0') {
$contacts = new rcube_contacts($this->db, $this->get_user_id());
}
else {
$plugin = $this->plugins->exec_hook('addressbook_get', array('id' => $id, 'writeable' => $writeable));
// plugin returned instance of a rcube_addressbook
if ($plugin['instance'] instanceof rcube_addressbook) {
$contacts = $plugin['instance'];
}
}
// when user requested default writeable addressbook
// we need to check if default is writeable, if not we
// will return first writeable book (if any exist)
if ($contacts && $default && $contacts->readonly && $writeable) {
$contacts = null;
}
// Get first addressbook from the list if configured default doesn't exist
// This can happen when user deleted the addressbook (e.g. Kolab folder)
if (!$contacts && (!$id || $default)) {
$source = reset($this->get_address_sources($writeable, !$default));
if (!empty($source)) {
$contacts = $this->get_address_book($source['id']);
if ($contacts) {
$id = $source['id'];
}
}
}
if (!$contacts) {
// there's no default, just return
if ($default) {
return null;
}
self::raise_error(array(
'code' => 700,
'file' => __FILE__,
'line' => __LINE__,
'message' => "Addressbook source ($id) not found!"
),
true, true);
}
// add to the 'books' array for shutdown function
$this->address_books[$id] = $contacts;
if ($writeable && $contacts->readonly) {
return null;
}
// set configured sort order
if ($sort_col = $this->config->get('addressbook_sort_col')) {
$contacts->set_sort_order($sort_col);
}
return $contacts;
}
/**
* Return identifier of the address book object
*
* @param rcube_addressbook Addressbook source object
*
* @return string Source identifier
*/
public function get_address_book_id($object)
{
foreach ($this->address_books as $index => $book) {
if ($book === $object) {
return $index;
}
}
}
/**
* Return address books list
*
* @param boolean True if the address book needs to be writeable
* @param boolean True if the address book needs to be not hidden
*
* @return array Address books array
*/
public function get_address_sources($writeable = false, $skip_hidden = false)
{
$abook_type = (string) $this->config->get('address_book_type');
$ldap_config = (array) $this->config->get('ldap_public');
$autocomplete = (array) $this->config->get('autocomplete_addressbooks');
$list = array();
// We are using the DB address book or a plugin address book
if (!empty($abook_type) && strtolower($abook_type) != 'ldap') {
if (!isset($this->address_books['0'])) {
$this->address_books['0'] = new rcube_contacts($this->db, $this->get_user_id());
}
$list['0'] = array(
'id' => '0',
'name' => $this->gettext('personaladrbook'),
'groups' => $this->address_books['0']->groups,
'readonly' => $this->address_books['0']->readonly,
'undelete' => $this->address_books['0']->undelete && $this->config->get('undo_timeout'),
'autocomplete' => in_array('sql', $autocomplete),
);
}
if (!empty($ldap_config)) {
foreach ($ldap_config as $id => $prop) {
// handle misconfiguration
if (empty($prop) || !is_array($prop)) {
continue;
}
$list[$id] = array(
'id' => $id,
'name' => html::quote($prop['name']),
'groups' => !empty($prop['groups']) || !empty($prop['group_filters']),
'readonly' => !$prop['writable'],
'hidden' => $prop['hidden'],
'autocomplete' => in_array($id, $autocomplete)
);
}
}
$plugin = $this->plugins->exec_hook('addressbooks_list', array('sources' => $list));
$list = $plugin['sources'];
foreach ($list as $idx => $item) {
// register source for shutdown function
if (!is_object($this->address_books[$item['id']])) {
$this->address_books[$item['id']] = $item;
}
// remove from list if not writeable as requested
if ($writeable && $item['readonly']) {
unset($list[$idx]);
}
// remove from list if hidden as requested
else if ($skip_hidden && $item['hidden']) {
unset($list[$idx]);
}
}
return $list;
}
/**
* Getter for compose responses.
* These are stored in local config and user preferences.
*
* @param boolean True to sort the list alphabetically
* @param boolean True if only this user's responses shall be listed
*
* @return array List of the current user's stored responses
*/
public function get_compose_responses($sorted = false, $user_only = false)
{
$responses = array();
if (!$user_only) {
foreach ($this->config->get('compose_responses_static', array()) as $response) {
if (empty($response['key'])) {
$response['key'] = substr(md5($response['name']), 0, 16);
}
$response['static'] = true;
$response['class'] = 'readonly';
$k = $sorted ? '0000-' . strtolower($response['name']) : $response['key'];
$responses[$k] = $response;
}
}
foreach ($this->config->get('compose_responses', array()) as $response) {
if (empty($response['key'])) {
$response['key'] = substr(md5($response['name']), 0, 16);
}
$k = $sorted ? strtolower($response['name']) : $response['key'];
$responses[$k] = $response;
}
// sort list by name
if ($sorted) {
ksort($responses, SORT_LOCALE_STRING);
}
return array_values($responses);
}
/**
* Init output object for GUI and add common scripts.
* This will instantiate a rcmail_output_html object and set
* environment vars according to the current session and configuration
*
* @param boolean True if this request is loaded in a (i)frame
*
* @return rcube_output Reference to HTML output object
*/
public function load_gui($framed = false)
{
// init output page
if (!($this->output instanceof rcmail_output_html)) {
$this->output = new rcmail_output_html($this->task, $framed);
}
// set refresh interval
$this->output->set_env('refresh_interval', $this->config->get('refresh_interval', 0));
$this->output->set_env('session_lifetime', $this->config->get('session_lifetime', 0) * 60);
if ($framed) {
$this->comm_path .= '&_framed=1';
$this->output->set_env('framed', true);
}
$this->output->set_env('task', $this->task);
$this->output->set_env('action', $this->action);
$this->output->set_env('comm_path', $this->comm_path);
$this->output->set_charset(RCUBE_CHARSET);
if ($this->user && $this->user->ID) {
$this->output->set_env('user_id', $this->user->get_hash());
}
// add some basic labels to client
$this->output->add_label('loading', 'servererror', 'connerror', 'requesttimedout',
'refreshing', 'windowopenerror');
return $this->output;
}
/**
* Create an output object for JSON responses
*
* @return rcube_output Reference to JSON output object
*/
public function json_init()
{
if (!($this->output instanceof rcmail_output_json)) {
$this->output = new rcmail_output_json($this->task);
}
return $this->output;
}
/**
* Create session object and start the session.
*/
public function session_init()
{
parent::session_init();
// set initial session vars
if (!$_SESSION['user_id']) {
$_SESSION['temp'] = true;
}
// restore skin selection after logout
if ($_SESSION['temp'] && !empty($_SESSION['skin'])) {
$this->config->set('skin', $_SESSION['skin']);
}
}
/**
* Perfom login to the mail server and to the webmail service.
* This will also create a new user entry if auto_create_user is configured.
*
* @param string Mail storage (IMAP) user name
* @param string Mail storage (IMAP) password
* @param string Mail storage (IMAP) host
* @param bool Enables cookie check
*
* @return boolean True on success, False on failure
*/
function login($username, $pass, $host = null, $cookiecheck = false)
{
$this->login_error = null;
if (empty($username)) {
return false;
}
if ($cookiecheck && empty($_COOKIE)) {
$this->login_error = self::ERROR_COOKIES_DISABLED;
return false;
}
$default_host = $this->config->get('default_host');
$default_port = $this->config->get('default_port');
$username_domain = $this->config->get('username_domain');
$login_lc = $this->config->get('login_lc', 2);
// host is validated in rcmail::autoselect_host(), so here
// we'll only handle unset host (if possible)
if (!$host && !empty($default_host)) {
if (is_array($default_host)) {
list($key, $val) = each($default_host);
$host = is_numeric($key) ? $val : $key;
}
else {
$host = $default_host;
}
$host = rcube_utils::parse_host($host);
}
if (!$host) {
$this->login_error = self::ERROR_INVALID_HOST;
return false;
}
// parse $host URL
$a_host = parse_url($host);
if ($a_host['host']) {
$host = $a_host['host'];
$ssl = (isset($a_host['scheme']) && in_array($a_host['scheme'], array('ssl','imaps','tls'))) ? $a_host['scheme'] : null;
if (!empty($a_host['port']))
$port = $a_host['port'];
else if ($ssl && $ssl != 'tls' && (!$default_port || $default_port == 143))
$port = 993;
}
if (!$port) {
$port = $default_port;
}
// Check if we need to add/force domain to username
if (!empty($username_domain)) {
$domain = is_array($username_domain) ? $username_domain[$host] : $username_domain;
if ($domain = rcube_utils::parse_host((string)$domain, $host)) {
$pos = strpos($username, '@');
// force configured domains
if ($pos !== false && $this->config->get('username_domain_forced')) {
$username = substr($username, 0, $pos) . '@' . $domain;
}
// just add domain if not specified
else if ($pos === false) {
$username .= '@' . $domain;
}
}
}
// Convert username to lowercase. If storage backend
// is case-insensitive we need to store always the same username (#1487113)
if ($login_lc) {
if ($login_lc == 2 || $login_lc === true) {
$username = mb_strtolower($username);
}
else if (strpos($username, '@')) {
// lowercase domain name
list($local, $domain) = explode('@', $username);
$username = $local . '@' . mb_strtolower($domain);
}
}
// try to resolve email address from virtuser table
if (strpos($username, '@') && ($virtuser = rcube_user::email2user($username))) {
$username = $virtuser;
}
// Here we need IDNA ASCII
// Only rcube_contacts class is using domain names in Unicode
$host = rcube_utils::idn_to_ascii($host);
$username = rcube_utils::idn_to_ascii($username);
// user already registered -> overwrite username
if ($user = rcube_user::query($username, $host)) {
$username = $user->data['username'];
}
$storage = $this->get_storage();
// try to log in
if (!$storage->connect($host, $username, $pass, $port, $ssl)) {
return false;
}
// user already registered -> update user's record
if (is_object($user)) {
// update last login timestamp
$user->touch();
}
// create new system user
else if ($this->config->get('auto_create_user')) {
if ($created = rcube_user::create($username, $host)) {
$user = $created;
}
else {
self::raise_error(array(
'code' => 620,
'file' => __FILE__,
'line' => __LINE__,
'message' => "Failed to create a user record. Maybe aborted by a plugin?"
),
true, false);
}
}
else {
self::raise_error(array(
'code' => 621,
'file' => __FILE__,
'line' => __LINE__,
'message' => "Access denied for new user $username. 'auto_create_user' is disabled"
),
true, false);
}
// login succeeded
if (is_object($user) && $user->ID) {
// Configure environment
$this->set_user($user);
$this->set_storage_prop();
// set session vars
$_SESSION['user_id'] = $user->ID;
$_SESSION['username'] = $user->data['username'];
$_SESSION['storage_host'] = $host;
$_SESSION['storage_port'] = $port;
$_SESSION['storage_ssl'] = $ssl;
$_SESSION['password'] = $this->encrypt($pass);
$_SESSION['login_time'] = time();
if (isset($_REQUEST['_timezone']) && $_REQUEST['_timezone'] != '_default_') {
$_SESSION['timezone'] = rcube_utils::get_input_value('_timezone', rcube_utils::INPUT_GPC);
}
// fix some old settings according to namespace prefix
$this->fix_namespace_settings($user);
// set/create special folders
$this->set_special_folders();
// clear all mailboxes related cache(s)
$storage->clear_cache('mailboxes', true);
return true;
}
return false;
}
/**
* Returns error code of last login operation
*
* @return int Error code
*/
public function login_error()
{
if ($this->login_error) {
return $this->login_error;
}
if ($this->storage && $this->storage->get_error_code() < -1) {
return self::ERROR_STORAGE;
}
}
/**
* Auto-select IMAP host based on the posted login information
*
* @return string Selected IMAP host
*/
public function autoselect_host()
{
$default_host = $this->config->get('default_host');
$host = null;
if (is_array($default_host)) {
$post_host = rcube_utils::get_input_value('_host', rcube_utils::INPUT_POST);
$post_user = rcube_utils::get_input_value('_user', rcube_utils::INPUT_POST);
list(, $domain) = explode('@', $post_user);
// direct match in default_host array
if ($default_host[$post_host] || in_array($post_host, array_values($default_host))) {
$host = $post_host;
}
// try to select host by mail domain
else if (!empty($domain)) {
foreach ($default_host as $storage_host => $mail_domains) {
if (is_array($mail_domains) && in_array_nocase($domain, $mail_domains)) {
$host = $storage_host;
break;
}
else if (stripos($storage_host, $domain) !== false || stripos(strval($mail_domains), $domain) !== false) {
$host = is_numeric($storage_host) ? $mail_domains : $storage_host;
break;
}
}
}
// take the first entry if $host is still not set
if (empty($host)) {
list($key, $val) = each($default_host);
$host = is_numeric($key) ? $val : $key;
}
}
else if (empty($default_host)) {
$host = rcube_utils::get_input_value('_host', rcube_utils::INPUT_POST);
}
else {
$host = rcube_utils::parse_host($default_host);
}
return $host;
}
/**
* Destroy session data and remove cookie
*/
public function kill_session()
{
$this->plugins->exec_hook('session_destroy');
$this->session->kill();
$_SESSION = array('language' => $this->user->language, 'temp' => true, 'skin' => $this->config->get('skin'));
$this->user->reset();
}
/**
* Do server side actions on logout
*/
public function logout_actions()
{
$config = $this->config->all();
$storage = $this->get_storage();
if ($config['logout_purge'] && !empty($config['trash_mbox'])) {
$storage->clear_folder($config['trash_mbox']);
}
if ($config['logout_expunge']) {
$storage->expunge_folder('INBOX');
}
// Try to save unsaved user preferences
if (!empty($_SESSION['preferences'])) {
$this->user->save_prefs(unserialize($_SESSION['preferences']));
}
}
/**
* Generate a unique token to be used in a form request
*
* @return string The request token
*/
public function get_request_token()
{
$sess_id = $_COOKIE[ini_get('session.name')];
if (!$sess_id) {
$sess_id = session_id();
}
$plugin = $this->plugins->exec_hook('request_token', array(
'value' => md5('RT' . $this->get_user_id() . $this->config->get('des_key') . $sess_id)));
return $plugin['value'];
}
/**
* Check if the current request contains a valid token
*
* @param int Request method
*
* @return boolean True if request token is valid false if not
*/
public function check_request($mode = rcube_utils::INPUT_POST)
{
$token = rcube_utils::get_input_value('_token', $mode);
$sess_id = $_COOKIE[ini_get('session.name')];
return !empty($sess_id) && $token == $this->get_request_token();
}
/**
* Build a valid URL to this instance of Roundcube
*
* @param mixed Either a string with the action or url parameters as key-value pairs
*
* @return string Valid application URL
*/
public function url($p)
{
if (!is_array($p)) {
if (strpos($p, 'http') === 0) {
return $p;
}
$p = array('_action' => @func_get_arg(0));
}
$task = $p['_task'] ? $p['_task'] : ($p['task'] ? $p['task'] : $this->task);
$p['_task'] = $task;
unset($p['task']);
$url = './' . $this->filename;
$delm = '?';
foreach (array_reverse($p) as $key => $val) {
if ($val !== '' && $val !== null) {
$par = $key[0] == '_' ? $key : '_'.$key;
$url .= $delm.urlencode($par).'='.urlencode($val);
$delm = '&';
}
}
return $url;
}
/**
* Function to be executed in script shutdown
*/
public function shutdown()
{
parent::shutdown();
foreach ($this->address_books as $book) {
if (is_object($book) && is_a($book, 'rcube_addressbook'))
$book->close();
}
// write performance stats to logs/console
if ($this->config->get('devel_mode') || $this->config->get('performance_stats')) {
// make sure logged numbers use unified format
setlocale(LC_NUMERIC, 'en_US.utf8', 'en_US.UTF-8', 'en_US', 'C');
if (function_exists('memory_get_usage'))
$mem = $this->show_bytes(memory_get_usage());
if (function_exists('memory_get_peak_usage'))
$mem .= '/'.$this->show_bytes(memory_get_peak_usage());
$log = $this->task . ($this->action ? '/'.$this->action : '') . ($mem ? " [$mem]" : '');
if (defined('RCMAIL_START'))
self::print_timer(RCMAIL_START, $log);
else
self::console($log);
}
}
/**
* Registers action aliases for current task
*
* @param array $map Alias-to-filename hash array
*/
public function register_action_map($map)
{
if (is_array($map)) {
foreach ($map as $idx => $val) {
$this->action_map[$idx] = $val;
}
}
}
/**
* Returns current action filename
*
* @param array $map Alias-to-filename hash array
*/
public function get_action_file()
{
if (!empty($this->action_map[$this->action])) {
return $this->action_map[$this->action];
}
return strtr($this->action, '-', '_') . '.inc';
}
/**
* Fixes some user preferences according to namespace handling change.
* Old Roundcube versions were using folder names with removed namespace prefix.
* Now we need to add the prefix on servers where personal namespace has prefix.
*
* @param rcube_user $user User object
*/
private function fix_namespace_settings($user)
{
$prefix = $this->storage->get_namespace('prefix');
$prefix_len = strlen($prefix);
if (!$prefix_len)
return;
$prefs = $this->config->all();
if (!empty($prefs['namespace_fixed']))
return;
// Build namespace prefix regexp
$ns = $this->storage->get_namespace();
$regexp = array();
foreach ($ns as $entry) {
if (!empty($entry)) {
foreach ($entry as $item) {
if (strlen($item[0])) {
$regexp[] = preg_quote($item[0], '/');
}
}
}
}
$regexp = '/^('. implode('|', $regexp).')/';
// Fix preferences
$opts = array('drafts_mbox', 'junk_mbox', 'sent_mbox', 'trash_mbox', 'archive_mbox');
foreach ($opts as $opt) {
if ($value = $prefs[$opt]) {
if ($value != 'INBOX' && !preg_match($regexp, $value)) {
$prefs[$opt] = $prefix.$value;
}
}
}
if (!empty($prefs['search_mods'])) {
$folders = array();
foreach ($prefs['search_mods'] as $idx => $value) {
if ($idx != 'INBOX' && $idx != '*' && !preg_match($regexp, $idx)) {
$idx = $prefix.$idx;
}
$folders[$idx] = $value;
}
$prefs['search_mods'] = $folders;
}
if (!empty($prefs['message_threading'])) {
$folders = array();
foreach ($prefs['message_threading'] as $idx => $value) {
if ($idx != 'INBOX' && !preg_match($regexp, $idx)) {
$idx = $prefix.$idx;
}
$folders[$prefix.$idx] = $value;
}
$prefs['message_threading'] = $folders;
}
if (!empty($prefs['collapsed_folders'])) {
$folders = explode('&&', $prefs['collapsed_folders']);
$count = count($folders);
$folders_str = '';
if ($count) {
$folders[0] = substr($folders[0], 1);
$folders[$count-1] = substr($folders[$count-1], 0, -1);
}
foreach ($folders as $value) {
if ($value != 'INBOX' && !preg_match($regexp, $value)) {
$value = $prefix.$value;
}
$folders_str .= '&'.$value.'&';
}
$prefs['collapsed_folders'] = $folders_str;
}
$prefs['namespace_fixed'] = true;
// save updated preferences and reset imap settings (default folders)
$user->save_prefs($prefs);
$this->set_storage_prop();
}
/**
* Overwrite action variable
*
* @param string New action value
*/
public function overwrite_action($action)
{
$this->action = $action;
$this->output->set_env('action', $action);
}
/**
* Set environment variables for specified config options
*/
public function set_env_config($options)
{
foreach ((array) $options as $option) {
if ($this->config->get($option)) {
$this->output->set_env($option, true);
}
}
}
/**
* Returns RFC2822 formatted current date in user's timezone
*
* @return string Date
*/
public function user_date()
{
// get user's timezone
try {
$tz = new DateTimeZone($this->config->get('timezone'));
$date = new DateTime('now', $tz);
}
catch (Exception $e) {
$date = new DateTime();
}
return $date->format('r');
}
/**
* Write login data (name, ID, IP address) to the 'userlogins' log file.
*/
public function log_login($user = null, $failed_login = false, $error_code = 0)
{
if (!$this->config->get('log_logins')) {
return;
}
// failed login
if ($failed_login) {
$message = sprintf('Failed login for %s from %s in session %s (error: %d)',
$user, rcube_utils::remote_ip(), session_id(), $error_code);
}
// successful login
else {
$user_name = $this->get_user_name();
$user_id = $this->get_user_id();
if (!$user_id) {
return;
}
$message = sprintf('Successful login for %s (ID: %d) from %s in session %s',
$user_name, $user_id, rcube_utils::remote_ip(), session_id());
}
// log login
self::write_log('userlogins', $message);
}
/**
* Create a HTML table based on the given data
*
* @param array Named table attributes
* @param mixed Table row data. Either a two-dimensional array or a valid SQL result set
* @param array List of cols to show
* @param string Name of the identifier col
*
* @return string HTML table code
*/
public function table_output($attrib, $table_data, $a_show_cols, $id_col)
{
$table = new html_table($attrib);
// add table header
if (!$attrib['noheader']) {
foreach ($a_show_cols as $col) {
$table->add_header($col, $this->Q($this->gettext($col)));
}
}
if (!is_array($table_data)) {
$db = $this->get_dbh();
while ($table_data && ($sql_arr = $db->fetch_assoc($table_data))) {
$table->add_row(array('id' => 'rcmrow' . rcube_utils::html_identifier($sql_arr[$id_col])));
// format each col
foreach ($a_show_cols as $col) {
$table->add($col, $this->Q($sql_arr[$col]));
}
}
}
else {
foreach ($table_data as $row_data) {
$class = !empty($row_data['class']) ? $row_data['class'] : null;
if (!empty($attrib['rowclass']))
$class = trim($class . ' ' . $attrib['rowclass']);
$rowid = 'rcmrow' . rcube_utils::html_identifier($row_data[$id_col]);
$table->add_row(array('id' => $rowid, 'class' => $class));
// format each col
foreach ($a_show_cols as $col) {
$val = is_array($row_data[$col]) ? $row_data[$col][0] : $row_data[$col];
$table->add($col, empty($attrib['ishtml']) ? $this->Q($val) : $val);
}
}
}
return $table->show($attrib);
}
/**
* Convert the given date to a human readable form
* This uses the date formatting properties from config
*
* @param mixed Date representation (string, timestamp or DateTime object)
* @param string Date format to use
* @param bool Enables date convertion according to user timezone
*
* @return string Formatted date string
*/
public function format_date($date, $format = null, $convert = true)
{
if (is_object($date) && is_a($date, 'DateTime')) {
$timestamp = $date->format('U');
}
else {
if (!empty($date)) {
$timestamp = rcube_utils::strtotime($date);
}
if (empty($timestamp)) {
return '';
}
try {
$date = new DateTime("@".$timestamp);
}
catch (Exception $e) {
return '';
}
}
if ($convert) {
try {
// convert to the right timezone
$stz = date_default_timezone_get();
$tz = new DateTimeZone($this->config->get('timezone'));
$date->setTimezone($tz);
date_default_timezone_set($tz->getName());
$timestamp = $date->format('U');
}
catch (Exception $e) {
}
}
// define date format depending on current time
if (!$format) {
$now = time();
$now_date = getdate($now);
$today_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday'], $now_date['year']);
$week_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']);
$pretty_date = $this->config->get('prettydate');
if ($pretty_date && $timestamp > $today_limit && $timestamp <= $now) {
$format = $this->config->get('date_today', $this->config->get('time_format', 'H:i'));
$today = true;
}
else if ($pretty_date && $timestamp > $week_limit && $timestamp <= $now) {
$format = $this->config->get('date_short', 'D H:i');
}
else {
$format = $this->config->get('date_long', 'Y-m-d H:i');
}
}
// strftime() format
if (preg_match('/%[a-z]+/i', $format)) {
$format = strftime($format, $timestamp);
if ($stz) {
date_default_timezone_set($stz);
}
return $today ? ($this->gettext('today') . ' ' . $format) : $format;
}
// parse format string manually in order to provide localized weekday and month names
// an alternative would be to convert the date() format string to fit with strftime()
$out = '';
for ($i=0; $i<strlen($format); $i++) {
if ($format[$i] == "\\") { // skip escape chars
continue;
}
// write char "as-is"
if ($format[$i] == ' ' || $format[$i-1] == "\\") {
$out .= $format[$i];
}
// weekday (short)
else if ($format[$i] == 'D') {
$out .= $this->gettext(strtolower(date('D', $timestamp)));
}
// weekday long
else if ($format[$i] == 'l') {
$out .= $this->gettext(strtolower(date('l', $timestamp)));
}
// month name (short)
else if ($format[$i] == 'M') {
$out .= $this->gettext(strtolower(date('M', $timestamp)));
}
// month name (long)
else if ($format[$i] == 'F') {
$out .= $this->gettext('long'.strtolower(date('M', $timestamp)));
}
else if ($format[$i] == 'x') {
$out .= strftime('%x %X', $timestamp);
}
else {
$out .= date($format[$i], $timestamp);
}
}
if ($today) {
$label = $this->gettext('today');
// replcae $ character with "Today" label (#1486120)
if (strpos($out, '$') !== false) {
$out = preg_replace('/\$/', $label, $out, 1);
}
else {
$out = $label . ' ' . $out;
}
}
if ($stz) {
date_default_timezone_set($stz);
}
return $out;
}
/**
* Return folders list in HTML
*
* @param array $attrib Named parameters
*
* @return string HTML code for the gui object
*/
public function folder_list($attrib)
{
static $a_mailboxes;
$attrib += array('maxlength' => 100, 'realnames' => false, 'unreadwrap' => ' (%s)');
$rcmail = rcmail::get_instance();
$storage = $rcmail->get_storage();
// add some labels to client
$rcmail->output->add_label('purgefolderconfirm', 'deletemessagesconfirm');
$type = $attrib['type'] ? $attrib['type'] : 'ul';
unset($attrib['type']);
if ($type == 'ul' && !$attrib['id']) {
$attrib['id'] = 'rcmboxlist';
}
if (empty($attrib['folder_name'])) {
$attrib['folder_name'] = '*';
}
// get current folder
$mbox_name = $storage->get_folder();
// build the folders tree
if (empty($a_mailboxes)) {
// get mailbox list
$a_folders = $storage->list_folders_subscribed(
'', $attrib['folder_name'], $attrib['folder_filter']);
$delimiter = $storage->get_hierarchy_delimiter();
$a_mailboxes = array();
foreach ($a_folders as $folder) {
$rcmail->build_folder_tree($a_mailboxes, $folder, $delimiter);
}
}
// allow plugins to alter the folder tree or to localize folder names
$hook = $rcmail->plugins->exec_hook('render_mailboxlist', array(
'list' => $a_mailboxes,
'delimiter' => $delimiter,
'type' => $type,
'attribs' => $attrib,
));
$a_mailboxes = $hook['list'];
$attrib = $hook['attribs'];
if ($type == 'select') {
$attrib['is_escaped'] = true;
$select = new html_select($attrib);
// add no-selection option
if ($attrib['noselection']) {
$select->add(html::quote($rcmail->gettext($attrib['noselection'])), '');
}
$rcmail->render_folder_tree_select($a_mailboxes, $mbox_name, $attrib['maxlength'], $select, $attrib['realnames']);
$out = $select->show($attrib['default']);
}
else {
$js_mailboxlist = array();
$tree = $rcmail->render_folder_tree_html($a_mailboxes, $mbox_name, $js_mailboxlist, $attrib);
if ($type != 'js') {
$out = html::tag('ul', $attrib, $tree, html::$common_attrib);
$rcmail->output->include_script('treelist.js');
$rcmail->output->add_gui_object('mailboxlist', $attrib['id']);
$rcmail->output->set_env('unreadwrap', $attrib['unreadwrap']);
$rcmail->output->set_env('collapsed_folders', (string)$rcmail->config->get('collapsed_folders'));
}
$rcmail->output->set_env('mailboxes', $js_mailboxlist);
// we can't use object keys in javascript because they are unordered
// we need sorted folders list for folder-selector widget
$rcmail->output->set_env('mailboxes_list', array_keys($js_mailboxlist));
}
return $out;
}
/**
* Return folders list as html_select object
*
* @param array $p Named parameters
*
* @return html_select HTML drop-down object
*/
public function folder_selector($p = array())
{
$realnames = $this->config->get('show_real_foldernames');
$p += array('maxlength' => 100, 'realnames' => $realnames, 'is_escaped' => true);
$a_mailboxes = array();
$storage = $this->get_storage();
if (empty($p['folder_name'])) {
$p['folder_name'] = '*';
}
if ($p['unsubscribed']) {
$list = $storage->list_folders('', $p['folder_name'], $p['folder_filter'], $p['folder_rights']);
}
else {
$list = $storage->list_folders_subscribed('', $p['folder_name'], $p['folder_filter'], $p['folder_rights']);
}
$delimiter = $storage->get_hierarchy_delimiter();
if (!empty($p['exceptions'])) {
$list = array_diff($list, (array) $p['exceptions']);
}
if (!empty($p['additional'])) {
foreach ($p['additional'] as $add_folder) {
$add_items = explode($delimiter, $add_folder);
$folder = '';
while (count($add_items)) {
$folder .= array_shift($add_items);
// @TODO: sorting
if (!in_array($folder, $list)) {
$list[] = $folder;
}
$folder .= $delimiter;
}
}
}
foreach ($list as $folder) {
$this->build_folder_tree($a_mailboxes, $folder, $delimiter);
}
$select = new html_select($p);
if ($p['noselection']) {
$select->add(html::quote($p['noselection']), '');
}
$this->render_folder_tree_select($a_mailboxes, $mbox, $p['maxlength'], $select, $p['realnames'], 0, $p);
return $select;
}
/**
* Create a hierarchical array of the mailbox list
*/
public function build_folder_tree(&$arrFolders, $folder, $delm = '/', $path = '')
{
// Handle namespace prefix
$prefix = '';
if (!$path) {
$n_folder = $folder;
$folder = $this->storage->mod_folder($folder);
if ($n_folder != $folder) {
$prefix = substr($n_folder, 0, -strlen($folder));
}
}
$pos = strpos($folder, $delm);
if ($pos !== false) {
$subFolders = substr($folder, $pos+1);
$currentFolder = substr($folder, 0, $pos);
// sometimes folder has a delimiter as the last character
if (!strlen($subFolders)) {
$virtual = false;
}
else if (!isset($arrFolders[$currentFolder])) {
$virtual = true;
}
else {
$virtual = $arrFolders[$currentFolder]['virtual'];
}
}
else {
$subFolders = false;
$currentFolder = $folder;
$virtual = false;
}
$path .= $prefix . $currentFolder;
if (!isset($arrFolders[$currentFolder])) {
$arrFolders[$currentFolder] = array(
'id' => $path,
'name' => rcube_charset::convert($currentFolder, 'UTF7-IMAP'),
'virtual' => $virtual,
'folders' => array());
}
else {
$arrFolders[$currentFolder]['virtual'] = $virtual;
}
if (strlen($subFolders)) {
$this->build_folder_tree($arrFolders[$currentFolder]['folders'], $subFolders, $delm, $path.$delm);
}
}
/**
* Return html for a structured list &lt;ul&gt; for the mailbox tree
*/
public function render_folder_tree_html(&$arrFolders, &$mbox_name, &$jslist, $attrib, $nestLevel = 0)
{
$maxlength = intval($attrib['maxlength']);
$realnames = (bool)$attrib['realnames'];
$msgcounts = $this->storage->get_cache('messagecount');
$collapsed = $this->config->get('collapsed_folders');
$realnames = $this->config->get('show_real_foldernames');
$out = '';
foreach ($arrFolders as $folder) {
$title = null;
$folder_class = $this->folder_classname($folder['id']);
$is_collapsed = strpos($collapsed, '&'.rawurlencode($folder['id']).'&') !== false;
$unread = $msgcounts ? intval($msgcounts[$folder['id']]['UNSEEN']) : 0;
if ($folder_class && !$realnames) {
$foldername = $this->gettext($folder_class);
}
else {
$foldername = $folder['name'];
// shorten the folder name to a given length
if ($maxlength && $maxlength > 1) {
$fname = abbreviate_string($foldername, $maxlength);
if ($fname != $foldername) {
$title = $foldername;
}
$foldername = $fname;
}
}
// make folder name safe for ids and class names
$folder_id = rcube_utils::html_identifier($folder['id'], true);
$classes = array('mailbox');
// set special class for Sent, Drafts, Trash and Junk
if ($folder_class) {
$classes[] = $folder_class;
}
if ($folder['id'] == $mbox_name) {
$classes[] = 'selected';
}
if ($folder['virtual']) {
$classes[] = 'virtual';
}
else if ($unread) {
$classes[] = 'unread';
}
$js_name = $this->JQ($folder['id']);
$html_name = $this->Q($foldername) . ($unread ? html::span('unreadcount', sprintf($attrib['unreadwrap'], $unread)) : '');
$link_attrib = $folder['virtual'] ? array() : array(
'href' => $this->url(array('_mbox' => $folder['id'])),
'onclick' => sprintf("return %s.command('list','%s',this,event)", rcmail_output::JS_OBJECT_NAME, $js_name),
'rel' => $folder['id'],
'title' => $title,
);
$out .= html::tag('li', array(
'id' => "rcmli".$folder_id,
'class' => join(' ', $classes),
'noclose' => true),
html::a($link_attrib, $html_name));
if (!empty($folder['folders'])) {
$out .= html::div('treetoggle ' . ($is_collapsed ? 'collapsed' : 'expanded'), '&nbsp;');
}
$jslist[$folder['id']] = array(
'id' => $folder['id'],
'name' => $foldername,
'virtual' => $folder['virtual'],
);
if (!empty($folder_class)) {
$jslist[$folder['id']]['class'] = $folder_class;
}
if (!empty($folder['folders'])) {
$out .= html::tag('ul', array('style' => ($is_collapsed ? "display:none;" : null)),
$this->render_folder_tree_html($folder['folders'], $mbox_name, $jslist, $attrib, $nestLevel+1));
}
$out .= "</li>\n";
}
return $out;
}
/**
* Return html for a flat list <select> for the mailbox tree
*/
public function render_folder_tree_select(&$arrFolders, &$mbox_name, $maxlength, &$select, $realnames = false, $nestLevel = 0, $opts = array())
{
$out = '';
foreach ($arrFolders as $folder) {
// skip exceptions (and its subfolders)
if (!empty($opts['exceptions']) && in_array($folder['id'], $opts['exceptions'])) {
continue;
}
// skip folders in which it isn't possible to create subfolders
if (!empty($opts['skip_noinferiors'])) {
$attrs = $this->storage->folder_attributes($folder['id']);
if ($attrs && in_array('\\Noinferiors', $attrs)) {
continue;
}
}
if (!$realnames && ($folder_class = $this->folder_classname($folder['id']))) {
$foldername = $this->gettext($folder_class);
}
else {
$foldername = $folder['name'];
// shorten the folder name to a given length
if ($maxlength && $maxlength > 1) {
$foldername = abbreviate_string($foldername, $maxlength);
}
}
$select->add(str_repeat('&nbsp;', $nestLevel*4) . html::quote($foldername), $folder['id']);
if (!empty($folder['folders'])) {
$out .= $this->render_folder_tree_select($folder['folders'], $mbox_name, $maxlength,
$select, $realnames, $nestLevel+1, $opts);
}
}
return $out;
}
/**
* Return internal name for the given folder if it matches the configured special folders
*/
public function folder_classname($folder_id)
{
if ($folder_id == 'INBOX') {
return 'inbox';
}
// for these mailboxes we have localized labels and css classes
foreach (array('sent', 'drafts', 'trash', 'junk') as $smbx)
{
if ($folder_id === $this->config->get($smbx.'_mbox')) {
return $smbx;
}
}
}
/**
* Try to localize the given IMAP folder name.
* UTF-7 decode it in case no localized text was found
*
* @param string $name Folder name
* @param bool $with_path Enable path localization
*
* @return string Localized folder name in UTF-8 encoding
*/
public function localize_foldername($name, $with_path = false)
{
$realnames = $this->config->get('show_real_foldernames');
if (!$realnames && ($folder_class = $this->folder_classname($name))) {
return $this->gettext($folder_class);
}
// try to localize path of the folder
if ($with_path && !$realnames) {
$storage = $this->get_storage();
$delimiter = $storage->get_hierarchy_delimiter();
$path = explode($delimiter, $name);
$count = count($path);
if ($count > 1) {
for ($i = 1; $i < $count; $i++) {
$folder = implode($delimiter, array_slice($path, 0, -$i));
if ($folder_class = $this->folder_classname($folder)) {
$name = implode($delimiter, array_slice($path, $count - $i));
return $this->gettext($folder_class) . $delimiter . rcube_charset::convert($name, 'UTF7-IMAP');
}
}
}
}
return rcube_charset::convert($name, 'UTF7-IMAP');
}
public function localize_folderpath($path)
{
$protect_folders = $this->config->get('protect_default_folders');
$delimiter = $this->storage->get_hierarchy_delimiter();
$path = explode($delimiter, $path);
$result = array();
foreach ($path as $idx => $dir) {
$directory = implode($delimiter, array_slice($path, 0, $idx+1));
if ($protect_folders && $this->storage->is_special_folder($directory)) {
unset($result);
$result[] = $this->localize_foldername($directory);
}
else {
$result[] = rcube_charset::convert($dir, 'UTF7-IMAP');
}
}
return implode($delimiter, $result);
}
public static function quota_display($attrib)
{
$rcmail = rcmail::get_instance();
if (!$attrib['id']) {
$attrib['id'] = 'rcmquotadisplay';
}
$_SESSION['quota_display'] = !empty($attrib['display']) ? $attrib['display'] : 'text';
$rcmail->output->add_gui_object('quotadisplay', $attrib['id']);
$quota = $rcmail->quota_content($attrib);
$rcmail->output->add_script('rcmail.set_quota('.rcube_output::json_serialize($quota).');', 'docready');
return html::span($attrib, '&nbsp;');
}
public function quota_content($attrib = null)
{
$quota = $this->storage->get_quota();
$quota = $this->plugins->exec_hook('quota', $quota);
+ unset($quota['abort']);
$quota_result = (array) $quota;
$quota_result['type'] = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';
if ($quota['total'] > 0) {
if (!isset($quota['percent'])) {
$quota_result['percent'] = min(100, round(($quota['used']/max(1,$quota['total']))*100));
}
$title = sprintf('%s / %s (%.0f%%)',
$this->show_bytes($quota['used'] * 1024), $this->show_bytes($quota['total'] * 1024),
$quota_result['percent']);
$quota_result['title'] = $title;
if ($attrib['width']) {
$quota_result['width'] = $attrib['width'];
}
if ($attrib['height']) {
$quota_result['height'] = $attrib['height'];
}
}
else {
$unlimited = $this->config->get('quota_zero_as_unlimited');
$quota_result['title'] = $this->gettext($unlimited ? 'unlimited' : 'unknown');
$quota_result['percent'] = 0;
}
return $quota_result;
}
/**
* Outputs error message according to server error/response codes
*
* @param string $fallback Fallback message label
* @param array $fallback_args Fallback message label arguments
* @param string $suffix Message label suffix
*/
public function display_server_error($fallback = null, $fallback_args = null, $suffix = '')
{
$err_code = $this->storage->get_error_code();
$res_code = $this->storage->get_response_code();
$args = array();
if ($res_code == rcube_storage::NOPERM) {
$error = 'errornoperm';
}
else if ($res_code == rcube_storage::READONLY) {
$error = 'errorreadonly';
}
else if ($res_code == rcube_storage::OVERQUOTA) {
$error = 'errorroverquota';
}
else if ($err_code && ($err_str = $this->storage->get_error_str())) {
// try to detect access rights problem and display appropriate message
if (stripos($err_str, 'Permission denied') !== false) {
$error = 'errornoperm';
}
// try to detect full mailbox problem and display appropriate message
// there can be e.g. "Quota exceeded" or "quotum would exceed"
else if (stripos($err_str, 'quot') !== false && stripos($err_str, 'exceed') !== false) {
$error = 'erroroverquota';
}
else {
$error = 'servererrormsg';
$args = array('msg' => $err_str);
}
}
else if ($err_code < 0) {
$error = 'storageerror';
}
else if ($fallback) {
$error = $fallback;
$args = $fallback_args;
}
if ($error) {
if ($suffix && $this->text_exists($error . $suffix)) {
$error .= $suffix;
}
$this->output->show_message($error, 'error', $args);
}
}
/**
* Output HTML editor scripts
*
* @param string $mode Editor mode
*/
public function html_editor($mode = '')
{
$hook = $this->plugins->exec_hook('html_editor', array('mode' => $mode));
if ($hook['abort']) {
return;
}
$lang_codes = array($_SESSION['language']);
if ($pos = strpos($_SESSION['language'], '_')) {
$lang_codes[] = substr($_SESSION['language'], 0, $pos);
}
foreach ($lang_codes as $code) {
if (file_exists(INSTALL_PATH . 'program/js/tinymce/langs/'.$code.'.js')) {
$lang = $code;
break;
}
}
if (empty($lang)) {
$lang = 'en';
}
$config = array(
'mode' => $mode,
'lang' => $lang,
'skin_path' => $this->output->get_skin_path(),
'spellcheck' => intval($this->config->get('enable_spellcheck')),
'spelldict' => intval($this->config->get('spellcheck_dictionary'))
);
$this->output->add_label('selectimage', 'addimage', 'selectmedia', 'addmedia');
$this->output->set_env('editor_config', $config);
$this->output->include_css('program/js/tinymce/roundcube/browser.css');
$this->output->include_script('tinymce/tinymce.min.js');
$this->output->include_script('editor.js');
}
/**
* Replaces TinyMCE's emoticon images with plain-text representation
*
* @param string $html HTML content
*
* @return string HTML content
*/
public static function replace_emoticons($html)
{
$emoticons = array(
'8-)' => 'smiley-cool',
':-#' => 'smiley-foot-in-mouth',
':-*' => 'smiley-kiss',
':-X' => 'smiley-sealed',
':-P' => 'smiley-tongue-out',
':-@' => 'smiley-yell',
":'(" => 'smiley-cry',
':-(' => 'smiley-frown',
':-D' => 'smiley-laughing',
':-)' => 'smiley-smile',
':-S' => 'smiley-undecided',
':-$' => 'smiley-embarassed',
'O:-)' => 'smiley-innocent',
':-|' => 'smiley-money-mouth',
':-O' => 'smiley-surprised',
';-)' => 'smiley-wink',
);
foreach ($emoticons as $idx => $file) {
// <img title="Cry" src="http://.../program/js/tinymce/plugins/emoticons/img/smiley-cry.gif" border="0" alt="Cry" />
$search[] = '/<img title="[a-z ]+" src="https?:\/\/[a-z0-9_.\/-]+\/tinymce\/plugins\/emoticons\/img\/'.$file.'.gif"[^>]+\/>/i';
$replace[] = $idx;
}
return preg_replace($search, $replace, $html);
}
/**
* File upload progress handler.
*/
public function upload_progress()
{
$params = array(
'action' => $this->action,
'name' => rcube_utils::get_input_value('_progress', rcube_utils::INPUT_GET),
);
if (function_exists('uploadprogress_get_info')) {
$status = uploadprogress_get_info($params['name']);
if (!empty($status)) {
$params['current'] = $status['bytes_uploaded'];
$params['total'] = $status['bytes_total'];
}
}
if (!isset($status) && filter_var(ini_get('apc.rfc1867'), FILTER_VALIDATE_BOOLEAN)
&& ini_get('apc.rfc1867_name')
) {
$prefix = ini_get('apc.rfc1867_prefix');
$status = apc_fetch($prefix . $params['name']);
if (!empty($status)) {
$params['current'] = $status['current'];
$params['total'] = $status['total'];
}
}
if (!isset($status) && filter_var(ini_get('session.upload_progress.enabled'), FILTER_VALIDATE_BOOLEAN)
&& ini_get('session.upload_progress.name')
) {
$key = ini_get('session.upload_progress.prefix') . $params['name'];
$params['total'] = $_SESSION[$key]['content_length'];
$params['current'] = $_SESSION[$key]['bytes_processed'];
}
if (!empty($params['total'])) {
$params['percent'] = round($status['current']/$status['total']*100);
$params['text'] = $this->gettext(array(
'name' => 'uploadprogress',
'vars' => array(
'percent' => $params['percent'] . '%',
'current' => $this->show_bytes($params['current']),
'total' => $this->show_bytes($params['total'])
)
));
}
$this->output->command('upload_progress_update', $params);
$this->output->send();
}
/**
* Initializes file uploading interface.
*/
public function upload_init()
{
// Enable upload progress bar
if ($seconds = $this->config->get('upload_progress')) {
if (function_exists('uploadprogress_get_info')) {
$field_name = 'UPLOAD_IDENTIFIER';
}
if (!$field_name && filter_var(ini_get('apc.rfc1867'), FILTER_VALIDATE_BOOLEAN)) {
$field_name = ini_get('apc.rfc1867_name');
}
if (!$field_name && filter_var(ini_get('session.upload_progress.enabled'), FILTER_VALIDATE_BOOLEAN)) {
$field_name = ini_get('session.upload_progress.name');
}
if ($field_name) {
$this->output->set_env('upload_progress_name', $field_name);
$this->output->set_env('upload_progress_time', (int) $seconds);
}
}
// find max filesize value
$max_filesize = parse_bytes(ini_get('upload_max_filesize'));
$max_postsize = parse_bytes(ini_get('post_max_size'));
if ($max_postsize && $max_postsize < $max_filesize) {
$max_filesize = $max_postsize;
}
$this->output->set_env('max_filesize', $max_filesize);
$max_filesize = $this->show_bytes($max_filesize);
$this->output->set_env('filesizeerror', $this->gettext(array(
'name' => 'filesizeerror', 'vars' => array('size' => $max_filesize))));
return $max_filesize;
}
/**
* Initializes client-side autocompletion.
*/
public function autocomplete_init()
{
static $init;
if ($init) {
return;
}
$init = 1;
if (($threads = (int)$this->config->get('autocomplete_threads')) > 0) {
$book_types = (array) $this->config->get('autocomplete_addressbooks', 'sql');
if (count($book_types) > 1) {
$this->output->set_env('autocomplete_threads', $threads);
$this->output->set_env('autocomplete_sources', $book_types);
}
}
$this->output->set_env('autocomplete_max', (int)$this->config->get('autocomplete_max', 15));
$this->output->set_env('autocomplete_min_length', $this->config->get('autocomplete_min_length'));
$this->output->add_label('autocompletechars', 'autocompletemore');
}
/**
* Returns supported font-family specifications
*
* @param string $font Font name
*
* @param string|array Font-family specification array or string (if $font is used)
*/
public static function font_defs($font = null)
{
$fonts = array(
'Andale Mono' => '"Andale Mono",Times,monospace',
'Arial' => 'Arial,Helvetica,sans-serif',
'Arial Black' => '"Arial Black","Avant Garde",sans-serif',
'Book Antiqua' => '"Book Antiqua",Palatino,serif',
'Courier New' => '"Courier New",Courier,monospace',
'Georgia' => 'Georgia,Palatino,serif',
'Helvetica' => 'Helvetica,Arial,sans-serif',
'Impact' => 'Impact,Chicago,sans-serif',
'Tahoma' => 'Tahoma,Arial,Helvetica,sans-serif',
'Terminal' => 'Terminal,Monaco,monospace',
'Times New Roman' => '"Times New Roman",Times,serif',
'Trebuchet MS' => '"Trebuchet MS",Geneva,sans-serif',
'Verdana' => 'Verdana,Geneva,sans-serif',
);
if ($font) {
return $fonts[$font];
}
return $fonts;
}
/**
* Create a human readable string for a number of bytes
*
* @param int Number of bytes
*
* @return string Byte string
*/
public function show_bytes($bytes)
{
if ($bytes >= 1073741824) {
$gb = $bytes/1073741824;
$str = sprintf($gb>=10 ? "%d " : "%.1f ", $gb) . $this->gettext('GB');
}
else if ($bytes >= 1048576) {
$mb = $bytes/1048576;
$str = sprintf($mb>=10 ? "%d " : "%.1f ", $mb) . $this->gettext('MB');
}
else if ($bytes >= 1024) {
$str = sprintf("%d ", round($bytes/1024)) . $this->gettext('KB');
}
else {
$str = sprintf('%d ', $bytes) . $this->gettext('B');
}
return $str;
}
/**
* Returns real size (calculated) of the message part
*
* @param rcube_message_part Message part
*
* @return string Part size (and unit)
*/
public function message_part_size($part)
{
if (isset($part->d_parameters['size'])) {
$size = $this->show_bytes((int)$part->d_parameters['size']);
}
else {
$size = $part->size;
if ($part->encoding == 'base64') {
$size = $size / 1.33;
}
$size = '~' . $this->show_bytes($size);
}
return $size;
}
/**
* Returns message UID(s) and IMAP folder(s) from GET/POST data
*
* @param string UID value to decode
* @param string Default mailbox value (if not encoded in UIDs)
* @return array List of message UIDs per folder
*/
public static function get_uids($uids = null, $mbox = null)
{
// message UID (or comma-separated list of IDs) is provided in
// the form of <ID>-<MBOX>[,<ID>-<MBOX>]*
$_uid = $uids ?: rcube_utils::get_input_value('_uid', RCUBE_INPUT_GPC);
$_mbox = $mbox ?: (string)rcube_utils::get_input_value('_mbox', RCUBE_INPUT_GPC);
// already a hash array
if (is_array($_uid) && !isset($_uid[0])) {
return $_uid;
}
$result = array();
// special case: *
if ($_uid == '*' && is_object($_SESSION['search'][1]) && $_SESSION['search'][1]->multi) {
// extract the full list of UIDs per folder from the search set
foreach ($_SESSION['search'][1]->sets as $subset) {
$mbox = $subset->get_parameters('MAILBOX');
$result[$mbox] = $subset->get();
}
}
else {
if (is_string($_uid))
$_uid = explode(',', $_uid);
// create a per-folder UIDs array
foreach ((array)$_uid as $uid) {
list($uid, $mbox) = explode('-', $uid, 2);
if (!strlen($mbox))
$mbox = $_mbox;
if ($uid == '*')
$result[$mbox] = $uid;
else
$result[$mbox][] = $uid;
}
}
return $result;
}
/************************************************************************
********* Deprecated methods (to be removed) *********
***********************************************************************/
public static function setcookie($name, $value, $exp = 0)
{
rcube_utils::setcookie($name, $value, $exp);
}
public function imap_connect()
{
return $this->storage_connect();
}
public function imap_init()
{
return $this->storage_init();
}
/**
* Connect to the mail storage server with stored session data
*
* @return bool True on success, False on error
*/
public function storage_connect()
{
$storage = $this->get_storage();
if ($_SESSION['storage_host'] && !$storage->is_connected()) {
$host = $_SESSION['storage_host'];
$user = $_SESSION['username'];
$port = $_SESSION['storage_port'];
$ssl = $_SESSION['storage_ssl'];
$pass = $this->decrypt($_SESSION['password']);
if (!$storage->connect($host, $user, $pass, $port, $ssl)) {
if (is_object($this->output)) {
$this->output->show_message('storageerror', 'error');
}
}
else {
$this->set_storage_prop();
}
}
return $storage->is_connected();
}
}
diff --git a/program/lib/Roundcube/rcube_imap.php b/program/lib/Roundcube/rcube_imap.php
index 109886f8d..858db7b5b 100644
--- a/program/lib/Roundcube/rcube_imap.php
+++ b/program/lib/Roundcube/rcube_imap.php
@@ -1,4512 +1,4513 @@
<?php
/*
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2005-2012, The Roundcube Dev Team |
| Copyright (C) 2011-2012, Kolab Systems AG |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| IMAP Storage Engine |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
| Author: Aleksander Machniak <alec@alec.pl> |
+-----------------------------------------------------------------------+
*/
/**
* Interface class for accessing an IMAP server
*
* @package Framework
* @subpackage Storage
* @author Thomas Bruederli <roundcube@gmail.com>
* @author Aleksander Machniak <alec@alec.pl>
*/
class rcube_imap extends rcube_storage
{
/**
* Instance of rcube_imap_generic
*
* @var rcube_imap_generic
*/
public $conn;
/**
* Instance of rcube_imap_cache
*
* @var rcube_imap_cache
*/
protected $mcache;
/**
* Instance of rcube_cache
*
* @var rcube_cache
*/
protected $cache;
/**
* Internal (in-memory) cache
*
* @var array
*/
protected $icache = array();
protected $list_page = 1;
protected $delimiter;
protected $namespace;
protected $sort_field = '';
protected $sort_order = 'DESC';
protected $struct_charset;
protected $uid_id_map = array();
protected $msg_headers = array();
protected $search_set;
protected $search_string = '';
protected $search_charset = '';
protected $search_sort_field = '';
protected $search_threads = false;
protected $search_sorted = false;
protected $options = array('auth_type' => 'check');
protected $caching = false;
protected $messages_caching = false;
protected $threading = false;
/**
* Object constructor.
*/
public function __construct()
{
$this->conn = new rcube_imap_generic();
// Set namespace and delimiter from session,
// so some methods would work before connection
if (isset($_SESSION['imap_namespace'])) {
$this->namespace = $_SESSION['imap_namespace'];
}
if (isset($_SESSION['imap_delimiter'])) {
$this->delimiter = $_SESSION['imap_delimiter'];
}
}
/**
* Magic getter for backward compat.
*
* @deprecated.
*/
public function __get($name)
{
if (isset($this->{$name})) {
return $this->{$name};
}
}
/**
* Connect to an IMAP server
*
* @param string $host Host to connect
* @param string $user Username for IMAP account
* @param string $pass Password for IMAP account
* @param integer $port Port to connect to
* @param string $use_ssl SSL schema (either ssl or tls) or null if plain connection
*
* @return boolean True on success, False on failure
*/
public function connect($host, $user, $pass, $port=143, $use_ssl=null)
{
// check for OpenSSL support in PHP build
if ($use_ssl && extension_loaded('openssl')) {
$this->options['ssl_mode'] = $use_ssl == 'imaps' ? 'ssl' : $use_ssl;
}
else if ($use_ssl) {
rcube::raise_error(array('code' => 403, 'type' => 'imap',
'file' => __FILE__, 'line' => __LINE__,
'message' => "OpenSSL not available"), true, false);
$port = 143;
}
$this->options['port'] = $port;
if ($this->options['debug']) {
$this->set_debug(true);
$this->options['ident'] = array(
'name' => 'Roundcube',
'version' => RCUBE_VERSION,
'php' => PHP_VERSION,
'os' => PHP_OS,
'command' => $_SERVER['REQUEST_URI'],
);
}
$attempt = 0;
do {
$data = rcube::get_instance()->plugins->exec_hook('storage_connect',
array_merge($this->options, array('host' => $host, 'user' => $user,
'attempt' => ++$attempt)));
if (!empty($data['pass'])) {
$pass = $data['pass'];
}
$this->conn->connect($data['host'], $data['user'], $pass, $data);
} while(!$this->conn->connected() && $data['retry']);
$config = array(
'host' => $data['host'],
'user' => $data['user'],
'password' => $pass,
'port' => $port,
'ssl' => $use_ssl,
);
$this->options = array_merge($this->options, $config);
$this->connect_done = true;
if ($this->conn->connected()) {
// get namespace and delimiter
$this->set_env();
return true;
}
// write error log
else if ($this->conn->error) {
if ($pass && $user) {
$message = sprintf("Login failed for %s from %s. %s",
$user, rcube_utils::remote_ip(), $this->conn->error);
rcube::raise_error(array('code' => 403, 'type' => 'imap',
'file' => __FILE__, 'line' => __LINE__,
'message' => $message), true, false);
}
}
return false;
}
/**
* Close IMAP connection.
* Usually done on script shutdown
*/
public function close()
{
$this->conn->closeConnection();
if ($this->mcache) {
$this->mcache->close();
}
}
/**
* Check connection state, connect if not connected.
*
* @return bool Connection state.
*/
public function check_connection()
{
// Establish connection if it wasn't done yet
if (!$this->connect_done && !empty($this->options['user'])) {
return $this->connect(
$this->options['host'],
$this->options['user'],
$this->options['password'],
$this->options['port'],
$this->options['ssl']
);
}
return $this->is_connected();
}
/**
* Checks IMAP connection.
*
* @return boolean TRUE on success, FALSE on failure
*/
public function is_connected()
{
return $this->conn->connected();
}
/**
* Returns code of last error
*
* @return int Error code
*/
public function get_error_code()
{
return $this->conn->errornum;
}
/**
* Returns text of last error
*
* @return string Error string
*/
public function get_error_str()
{
return $this->conn->error;
}
/**
* Returns code of last command response
*
* @return int Response code
*/
public function get_response_code()
{
switch ($this->conn->resultcode) {
case 'NOPERM':
return self::NOPERM;
case 'READ-ONLY':
return self::READONLY;
case 'TRYCREATE':
return self::TRYCREATE;
case 'INUSE':
return self::INUSE;
case 'OVERQUOTA':
return self::OVERQUOTA;
case 'ALREADYEXISTS':
return self::ALREADYEXISTS;
case 'NONEXISTENT':
return self::NONEXISTENT;
case 'CONTACTADMIN':
return self::CONTACTADMIN;
default:
return self::UNKNOWN;
}
}
/**
* Activate/deactivate debug mode
*
* @param boolean $dbg True if IMAP conversation should be logged
*/
public function set_debug($dbg = true)
{
$this->options['debug'] = $dbg;
$this->conn->setDebug($dbg, array($this, 'debug_handler'));
}
/**
* Set internal folder reference.
* All operations will be perfomed on this folder.
*
* @param string $folder Folder name
*/
public function set_folder($folder)
{
$this->folder = $folder;
}
/**
* Save a search result for future message listing methods
*
* @param array $set Search set, result from rcube_imap::get_search_set():
* 0 - searching criteria, string
* 1 - search result, rcube_result_index|rcube_result_thread
* 2 - searching character set, string
* 3 - sorting field, string
* 4 - true if sorted, bool
*/
public function set_search_set($set)
{
$set = (array)$set;
$this->search_string = $set[0];
$this->search_set = $set[1];
$this->search_charset = $set[2];
$this->search_sort_field = $set[3];
$this->search_sorted = $set[4];
$this->search_threads = is_a($this->search_set, 'rcube_result_thread');
if (is_a($this->search_set, 'rcube_result_multifolder')) {
$this->set_threading(false);
}
}
/**
* Return the saved search set as hash array
*
* @return array Search set
*/
public function get_search_set()
{
if (empty($this->search_set)) {
return null;
}
return array(
$this->search_string,
$this->search_set,
$this->search_charset,
$this->search_sort_field,
$this->search_sorted,
);
}
/**
* Returns the IMAP server's capability.
*
* @param string $cap Capability name
*
* @return mixed Capability value or TRUE if supported, FALSE if not
*/
public function get_capability($cap)
{
$cap = strtoupper($cap);
$sess_key = "STORAGE_$cap";
if (!isset($_SESSION[$sess_key])) {
if (!$this->check_connection()) {
return false;
}
$_SESSION[$sess_key] = $this->conn->getCapability($cap);
}
return $_SESSION[$sess_key];
}
/**
* Checks the PERMANENTFLAGS capability of the current folder
* and returns true if the given flag is supported by the IMAP server
*
* @param string $flag Permanentflag name
*
* @return boolean True if this flag is supported
*/
public function check_permflag($flag)
{
$flag = strtoupper($flag);
$perm_flags = $this->get_permflags($this->folder);
$imap_flag = $this->conn->flags[$flag];
return $imap_flag && !empty($perm_flags) && in_array_nocase($imap_flag, $perm_flags);
}
/**
* Returns PERMANENTFLAGS of the specified folder
*
* @param string $folder Folder name
*
* @return array Flags
*/
public function get_permflags($folder)
{
if (!strlen($folder)) {
return array();
}
if (!$this->check_connection()) {
return array();
}
if ($this->conn->select($folder)) {
$permflags = $this->conn->data['PERMANENTFLAGS'];
}
else {
return array();
}
if (!is_array($permflags)) {
$permflags = array();
}
return $permflags;
}
/**
* Returns the delimiter that is used by the IMAP server for folder separation
*
* @return string Delimiter string
* @access public
*/
public function get_hierarchy_delimiter()
{
return $this->delimiter;
}
/**
* Get namespace
*
* @param string $name Namespace array index: personal, other, shared, prefix
*
* @return array Namespace data
*/
public function get_namespace($name = null)
{
$ns = $this->namespace;
if ($name) {
return isset($ns[$name]) ? $ns[$name] : null;
}
unset($ns['prefix']);
return $ns;
}
/**
* Sets delimiter and namespaces
*/
protected function set_env()
{
if ($this->delimiter !== null && $this->namespace !== null) {
return;
}
$config = rcube::get_instance()->config;
$imap_personal = $config->get('imap_ns_personal');
$imap_other = $config->get('imap_ns_other');
$imap_shared = $config->get('imap_ns_shared');
$imap_delimiter = $config->get('imap_delimiter');
if (!$this->check_connection()) {
return;
}
$ns = $this->conn->getNamespace();
// Set namespaces (NAMESPACE supported)
if (is_array($ns)) {
$this->namespace = $ns;
}
else {
$this->namespace = array(
'personal' => NULL,
'other' => NULL,
'shared' => NULL,
);
}
if ($imap_delimiter) {
$this->delimiter = $imap_delimiter;
}
if (empty($this->delimiter)) {
$this->delimiter = $this->namespace['personal'][0][1];
}
if (empty($this->delimiter)) {
$this->delimiter = $this->conn->getHierarchyDelimiter();
}
if (empty($this->delimiter)) {
$this->delimiter = '/';
}
// Overwrite namespaces
if ($imap_personal !== null) {
$this->namespace['personal'] = NULL;
foreach ((array)$imap_personal as $dir) {
$this->namespace['personal'][] = array($dir, $this->delimiter);
}
}
if ($imap_other !== null) {
$this->namespace['other'] = NULL;
foreach ((array)$imap_other as $dir) {
if ($dir) {
$this->namespace['other'][] = array($dir, $this->delimiter);
}
}
}
if ($imap_shared !== null) {
$this->namespace['shared'] = NULL;
foreach ((array)$imap_shared as $dir) {
if ($dir) {
$this->namespace['shared'][] = array($dir, $this->delimiter);
}
}
}
// Find personal namespace prefix for mod_folder()
// Prefix can be removed when there is only one personal namespace
if (is_array($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;
}
/**
* 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 nr 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 $status Enables storing folder status info (max UID/count),
* required for folder_status()
*
* @return int Number of messages
* @see rcube_imap::count()
*/
protected function countmessages($folder, $mode='ALL', $force=false, $status=true)
{
$mode = strtoupper($mode);
// count search set, assume search set is always up-to-date (don't check $force flag)
if ($this->search_string && $folder == $this->folder && ($mode == 'ALL' || $mode == 'THREADS')) {
if ($mode == 'ALL') {
return $this->search_set->count_messages();
}
else {
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 && $folder == $this->folder) {
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)) {
$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;
$a_msg_headers = array_merge($a_msg_headers, $this->list_search_messages($resultset->get_parameters('MAILBOX'), 1));
}
}
// sort headers
if (!empty($a_msg_headers)) {
$a_msg_headers = $this->conn->sortHeaders($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($a_msg_headers)) {
return array();
}
if (!$this->check_connection()) {
return array();
}
// if not already sorted
$a_msg_headers = $this->conn->sortHeaders(
$a_msg_headers, $this->sort_field, $this->sort_order);
// only return the requested part of the set
$slice_length = min($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);
$result = 0;
if (empty($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 = $this->search_set->get_compressed();
}
// use message index sort as default sorting
if (!$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 = rcube::get_instance()->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 similar to the one generated by PEAR::Mail_mimeDecode
*
* @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] = $m[2];
}
else {
// Try to parse the message using Mail_mimeDecode package
// We need a better solution, Mail_mimeDecode parses message
// in memory, which wouldn't work for very big messages,
// (it uses up to 10x more memory than the message size)
// it's also buggy and not actively developed
if ($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]);
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 $fp File pointer to save the message
*
* @return string Message source string
*/
public function get_raw_body($uid, $fp=null)
{
if (!$this->check_connection()) {
return null;
}
return $this->conn->handlePartBody($this->folder, $uid,
true, null, null, false, $fp);
}
/**
* Returns the message headers as string
*
* @param int $uid Message UID
*
* @return string Message headers string
*/
public function get_raw_headers($uid)
{
if (!$this->check_connection()) {
return null;
}
return $this->conn->fetchPartHeader($this->folder, $uid, true);
}
/**
* 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);
rcube::get_instance()->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($this->uid_id_map[$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 = rcube::get_instance()->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
$a_folders = $this->conn->listMailboxes($root, $name,
NULL, array('SUBSCRIBED'));
}
else {
// retrieve list of folders from IMAP server using LSUB
$a_folders = $this->conn->listSubscribed($root, $name);
}
if (!is_array($a_folders)) {
return array();
}
// #1486796: some server configurations doesn't return folders in all namespaces
if ($root == '' && $name == '*' && $config->get('imap_force_ns')) {
$this->list_folders_update($a_folders, ($list_extended ? 'ext-' : '') . 'subscribed');
}
if ($list_extended) {
// unsubscribe non-existent folders, remove from the list
if (is_array($a_folders) && $name == '*' && !empty($this->conn->data['LIST'])) {
foreach ($a_folders as $idx => $folder) {
if (($opts = $this->conn->data['LIST'][$folder])
&& in_array('\\NonExistent', $opts)
) {
$this->conn->unsubscribe($folder);
unset($a_folders[$idx]);
}
}
}
}
else {
// unsubscribe non-existent folders, remove them from the list
if (is_array($a_folders) && !empty($a_folders) && $name == '*') {
$existing = $this->list_folders($root, $name);
$nonexisting = array_diff($a_folders, $existing);
$a_folders = array_diff($a_folders, $nonexisting);
foreach ($nonexisting as $folder) {
$this->conn->unsubscribe($folder);
}
}
}
return $a_folders;
}
/**
* 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 = rcube::get_instance()->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);
}
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
- * added by Nuny
+ *
+ * @param string $folder Folder name
*
* @return mixed Quota info or False if not supported
*/
- public function get_quota()
+ public function get_quota($folder = null)
{
if ($this->get_capability('QUOTA') && $this->check_connection()) {
- return $this->conn->getQuota();
+ 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 (!$this->check_connection()) {
return 0;
}
// @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 = $this->conn->listMailboxes('', '*', array('SUBSCRIBED'), array('SPECIAL-USE'));
foreach ($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('\\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 $options Command options (with MAXSIZE and DEPTH keys)
*
* @return array Metadata entry-value hash array on success, NULL on error
* @since 0.5-beta
*/
public function get_metadata($folder, $entries, $options=array())
{
$entries = (array)$entries;
// 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 => $entry) {
if ($result = $this->conn->getAnnotation($folder, $entry, $attrib)) {
$res = array_merge_recursive($res, $result);
}
}
}
if (isset($res)) {
$this->update_cache($cache_key, $res);
return $res;
}
return null;
}
/**
* Converts the METADATA extension entry name into the correct
* entry-attrib names for older ANNOTATEMORE version.
*
* @param string $entry Entry name
*
* @return array Entry-attribute list, NULL if not supported (?)
*/
protected function md2annotate($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
return null;
}
/* --------------------------------
* 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()));
$folders = array();
// convert names to UTF-8 and skip folders starting with '.'
foreach ($a_folders as $folder) {
if ($folder[0] != '.') {
// 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 = $this->folder;
}
if ($uid = array_search($id, (array)$this->uid_id_map[$folder])) {
return $uid;
}
if (!$this->check_connection()) {
return null;
}
$uid = $this->conn->ID2UID($folder, $id);
$this->uid_id_map[$folder][$uid] = $id;
return $uid;
}
/**
* Subscribe/unsubscribe a list of folders and update local cache
*/
protected function change_subscription($folders, $mode)
{
$updated = false;
if (!empty($folders)) {
if (!$this->check_connection()) {
return false;
}
foreach ((array)$folders as $i => $folder) {
$folders[$i] = $folder;
if ($mode == 'subscribe') {
$updated = $this->conn->subscribe($folder);
}
else if ($mode == 'unsubscribe') {
$updated = $this->conn->unsubscribe($folder);
}
}
}
// clear cached folders list(s)
if ($updated) {
$this->clear_cache('mailboxes', true);
}
return $updated;
}
/**
* Increde/decrese messagecount for a specific folder
*/
protected function set_messagecount($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 $date->format('d-M-Y H:i:s O');
}
/**
* This is our own debug handler for the IMAP connection
* @access public
*/
public function debug_handler(&$imap, $message)
{
rcube::write_log('imap', $message);
}
/**
* Deprecated methods (to be removed)
*/
public function decode_address_list($input, $max = null, $decode = true, $fallback = null)
{
return rcube_mime::decode_address_list($input, $max, $decode, $fallback);
}
public function decode_header($input, $fallback = null)
{
return rcube_mime::decode_mime_string((string)$input, $fallback);
}
public static function decode_mime_string($input, $fallback = null)
{
return rcube_mime::decode_mime_string($input, $fallback);
}
public function mime_decode($input, $encoding = '7bit')
{
return rcube_mime::decode($input, $encoding);
}
public static function explode_header_string($separator, $str, $remove_comments = false)
{
return rcube_mime::explode_header_string($separator, $str, $remove_comments);
}
public function select_mailbox($mailbox)
{
// do nothing
}
public function set_mailbox($folder)
{
$this->set_folder($folder);
}
public function get_mailbox_name()
{
return $this->get_folder();
}
public function list_headers($folder='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0)
{
return $this->list_messages($folder, $page, $sort_field, $sort_order, $slice);
}
public function get_headers($uid, $folder = null, $force = false)
{
return $this->get_message_headers($uid, $folder, $force);
}
public function mailbox_status($folder = null)
{
return $this->folder_status($folder);
}
public function message_index($folder = '', $sort_field = NULL, $sort_order = NULL)
{
return $this->index($folder, $sort_field, $sort_order);
}
public function message_index_direct($folder, $sort_field = null, $sort_order = null)
{
return $this->index_direct($folder, $sort_field, $sort_order);
}
public function list_mailboxes($root='', $name='*', $filter=null, $rights=null, $skip_sort=false)
{
return $this->list_folders_subscribed($root, $name, $filter, $rights, $skip_sort);
}
public function list_unsubscribed($root='', $name='*', $filter=null, $rights=null, $skip_sort=false)
{
return $this->list_folders($root, $name, $filter, $rights, $skip_sort);
}
public function get_mailbox_size($folder)
{
return $this->folder_size($folder);
}
public function create_mailbox($folder, $subscribe=false)
{
return $this->create_folder($folder, $subscribe);
}
public function rename_mailbox($folder, $new_name)
{
return $this->rename_folder($folder, $new_name);
}
function delete_mailbox($folder)
{
return $this->delete_folder($folder);
}
function clear_mailbox($folder = null)
{
return $this->clear_folder($folder);
}
public function mailbox_exists($folder, $subscription=false)
{
return $this->folder_exists($folder, $subscription);
}
public function mailbox_namespace($folder)
{
return $this->folder_namespace($folder);
}
public function mod_mailbox($folder, $mode = 'out')
{
return $this->mod_folder($folder, $mode);
}
public function mailbox_attributes($folder, $force=false)
{
return $this->folder_attributes($folder, $force);
}
public function mailbox_data($folder)
{
return $this->folder_data($folder);
}
public function mailbox_info($folder)
{
return $this->folder_info($folder);
}
public function mailbox_sync($folder)
{
return $this->folder_sync($folder);
}
public function expunge($folder='', $clear_cache=true)
{
return $this->expunge_folder($folder, $clear_cache);
}
}
diff --git a/program/lib/Roundcube/rcube_imap_generic.php b/program/lib/Roundcube/rcube_imap_generic.php
index 7b9ba2ec8..032506412 100644
--- a/program/lib/Roundcube/rcube_imap_generic.php
+++ b/program/lib/Roundcube/rcube_imap_generic.php
@@ -1,3890 +1,3897 @@
<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2005-2012, The Roundcube Dev Team |
| Copyright (C) 2011-2012, Kolab Systems AG |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Provide alternative IMAP library that doesn't rely on the standard |
| C-Client based version. This allows to function regardless |
| of whether or not the PHP build it's running on has IMAP |
| functionality built-in. |
| |
| Based on Iloha IMAP Library. See http://ilohamail.org/ for details |
+-----------------------------------------------------------------------+
| Author: Aleksander Machniak <alec@alec.pl> |
| Author: Ryo Chijiiwa <Ryo@IlohaMail.org> |
+-----------------------------------------------------------------------+
*/
/**
* PHP based wrapper class to connect to an IMAP server
*
* @package Framework
* @subpackage Storage
*/
class rcube_imap_generic
{
public $error;
public $errornum;
public $result;
public $resultcode;
public $selected;
public $data = array();
public $flags = array(
'SEEN' => '\\Seen',
'DELETED' => '\\Deleted',
'ANSWERED' => '\\Answered',
'DRAFT' => '\\Draft',
'FLAGGED' => '\\Flagged',
'FORWARDED' => '$Forwarded',
'MDNSENT' => '$MDNSent',
'*' => '\\*',
);
public static $mupdate;
protected $fp;
protected $host;
protected $logged = false;
protected $capability = array();
protected $capability_readed = false;
protected $prefs;
protected $cmd_tag;
protected $cmd_num = 0;
protected $resourceid;
protected $_debug = false;
protected $_debug_handler = false;
const ERROR_OK = 0;
const ERROR_NO = -1;
const ERROR_BAD = -2;
const ERROR_BYE = -3;
const ERROR_UNKNOWN = -4;
const ERROR_COMMAND = -5;
const ERROR_READONLY = -6;
const COMMAND_NORESPONSE = 1;
const COMMAND_CAPABILITY = 2;
const COMMAND_LASTLINE = 4;
const COMMAND_ANONYMIZED = 8;
const DEBUG_LINE_LENGTH = 4098; // 4KB + 2B for \r\n
/**
* Object constructor
*/
function __construct()
{
}
/**
* Send simple (one line) command to the connection stream
*
* @param string $string Command string
* @param bool $endln True if CRLF need to be added at the end of command
* @param bool $anonymized Don't write the given data to log but a placeholder
*
* @param int Number of bytes sent, False on error
*/
function putLine($string, $endln=true, $anonymized=false)
{
if (!$this->fp)
return false;
if ($this->_debug) {
// anonymize the sent command for logging
$cut = $endln ? 2 : 0;
if ($anonymized && preg_match('/^(A\d+ (?:[A-Z]+ )+)(.+)/', $string, $m)) {
$log = $m[1] . sprintf('****** [%d]', strlen($m[2]) - $cut);
}
else if ($anonymized) {
$log = sprintf('****** [%d]', strlen($string) - $cut);
}
else {
$log = rtrim($string);
}
$this->debug('C: ' . $log);
}
$res = fwrite($this->fp, $string . ($endln ? "\r\n" : ''));
if ($res === false) {
@fclose($this->fp);
$this->fp = null;
}
return $res;
}
/**
* Send command to the connection stream with Command Continuation
* Requests (RFC3501 7.5) and LITERAL+ (RFC2088) support
*
* @param string $string Command string
* @param bool $endln True if CRLF need to be added at the end of command
* @param bool $anonymized Don't write the given data to log but a placeholder
*
* @return int|bool Number of bytes sent, False on error
*/
function putLineC($string, $endln=true, $anonymized=false)
{
if (!$this->fp) {
return false;
}
if ($endln) {
$string .= "\r\n";
}
$res = 0;
if ($parts = preg_split('/(\{[0-9]+\}\r\n)/m', $string, -1, PREG_SPLIT_DELIM_CAPTURE)) {
for ($i=0, $cnt=count($parts); $i<$cnt; $i++) {
if (preg_match('/^\{([0-9]+)\}\r\n$/', $parts[$i+1], $matches)) {
// LITERAL+ support
if ($this->prefs['literal+']) {
$parts[$i+1] = sprintf("{%d+}\r\n", $matches[1]);
}
$bytes = $this->putLine($parts[$i].$parts[$i+1], false, $anonymized);
if ($bytes === false)
return false;
$res += $bytes;
// don't wait if server supports LITERAL+ capability
if (!$this->prefs['literal+']) {
$line = $this->readLine(1000);
// handle error in command
if ($line[0] != '+')
return false;
}
$i++;
}
else {
$bytes = $this->putLine($parts[$i], false, $anonymized);
if ($bytes === false)
return false;
$res += $bytes;
}
}
}
return $res;
}
/**
* Reads line from the connection stream
*
* @param int $size Buffer size
*
* @return string Line of text response
*/
function readLine($size=1024)
{
$line = '';
if (!$size) {
$size = 1024;
}
do {
if ($this->eof()) {
return $line ? $line : NULL;
}
$buffer = fgets($this->fp, $size);
if ($buffer === false) {
$this->closeSocket();
break;
}
if ($this->_debug) {
$this->debug('S: '. rtrim($buffer));
}
$line .= $buffer;
} while (substr($buffer, -1) != "\n");
return $line;
}
/**
* Reads more data from the connection stream when provided
* data contain string literal
*
* @param string $line Response text
* @param bool $escape Enables escaping
*
* @return string Line of text response
*/
function multLine($line, $escape = false)
{
$line = rtrim($line);
if (preg_match('/\{([0-9]+)\}$/', $line, $m)) {
$out = '';
$str = substr($line, 0, -strlen($m[0]));
$bytes = $m[1];
while (strlen($out) < $bytes) {
$line = $this->readBytes($bytes);
if ($line === NULL)
break;
$out .= $line;
}
$line = $str . ($escape ? $this->escape($out) : $out);
}
return $line;
}
/**
* Reads specified number of bytes from the connection stream
*
* @param int $bytes Number of bytes to get
*
* @return string Response text
*/
function readBytes($bytes)
{
$data = '';
$len = 0;
while ($len < $bytes && !$this->eof())
{
$d = fread($this->fp, $bytes-$len);
if ($this->_debug) {
$this->debug('S: '. $d);
}
$data .= $d;
$data_len = strlen($data);
if ($len == $data_len) {
break; // nothing was read -> exit to avoid apache lockups
}
$len = $data_len;
}
return $data;
}
/**
* Reads complete response to the IMAP command
*
* @param array $untagged Will be filled with untagged response lines
*
* @return string Response text
*/
function readReply(&$untagged=null)
{
do {
$line = trim($this->readLine(1024));
// store untagged response lines
if ($line[0] == '*')
$untagged[] = $line;
} while ($line[0] == '*');
if ($untagged)
$untagged = join("\n", $untagged);
return $line;
}
/**
* Response parser.
*
* @param string $string Response text
* @param string $err_prefix Error message prefix
*
* @return int Response status
*/
function parseResult($string, $err_prefix='')
{
if (preg_match('/^[a-z0-9*]+ (OK|NO|BAD|BYE)(.*)$/i', trim($string), $matches)) {
$res = strtoupper($matches[1]);
$str = trim($matches[2]);
if ($res == 'OK') {
$this->errornum = self::ERROR_OK;
} else if ($res == 'NO') {
$this->errornum = self::ERROR_NO;
} else if ($res == 'BAD') {
$this->errornum = self::ERROR_BAD;
} else if ($res == 'BYE') {
$this->closeSocket();
$this->errornum = self::ERROR_BYE;
}
if ($str) {
$str = trim($str);
// get response string and code (RFC5530)
if (preg_match("/^\[([a-z-]+)\]/i", $str, $m)) {
$this->resultcode = strtoupper($m[1]);
$str = trim(substr($str, strlen($m[1]) + 2));
}
else {
$this->resultcode = null;
// parse response for [APPENDUID 1204196876 3456]
if (preg_match("/^\[APPENDUID [0-9]+ ([0-9]+)\]/i", $str, $m)) {
$this->data['APPENDUID'] = $m[1];
}
// parse response for [COPYUID 1204196876 3456:3457 123:124]
else if (preg_match("/^\[COPYUID [0-9]+ ([0-9,:]+) ([0-9,:]+)\]/i", $str, $m)) {
$this->data['COPYUID'] = array($m[1], $m[2]);
}
}
$this->result = $str;
if ($this->errornum != self::ERROR_OK) {
$this->error = $err_prefix ? $err_prefix.$str : $str;
}
}
return $this->errornum;
}
return self::ERROR_UNKNOWN;
}
/**
* Checks connection stream state.
*
* @return bool True if connection is closed
*/
protected function eof()
{
if (!is_resource($this->fp)) {
return true;
}
// If a connection opened by fsockopen() wasn't closed
// by the server, feof() will hang.
$start = microtime(true);
if (feof($this->fp) ||
($this->prefs['timeout'] && (microtime(true) - $start > $this->prefs['timeout']))
) {
$this->closeSocket();
return true;
}
return false;
}
/**
* Closes connection stream.
*/
protected function closeSocket()
{
@fclose($this->fp);
$this->fp = null;
}
/**
* Error code/message setter.
*/
function setError($code, $msg='')
{
$this->errornum = $code;
$this->error = $msg;
}
/**
* Checks response status.
* Checks if command response line starts with specified prefix (or * BYE/BAD)
*
* @param string $string Response text
* @param string $match Prefix to match with (case-sensitive)
* @param bool $error Enables BYE/BAD checking
* @param bool $nonempty Enables empty response checking
*
* @return bool True any check is true or connection is closed.
*/
function startsWith($string, $match, $error=false, $nonempty=false)
{
if (!$this->fp) {
return true;
}
if (strncmp($string, $match, strlen($match)) == 0) {
return true;
}
if ($error && preg_match('/^\* (BYE|BAD) /i', $string, $m)) {
if (strtoupper($m[1]) == 'BYE') {
$this->closeSocket();
}
return true;
}
if ($nonempty && !strlen($string)) {
return true;
}
return false;
}
protected function hasCapability($name)
{
if (empty($this->capability) || $name == '') {
return false;
}
if (in_array($name, $this->capability)) {
return true;
}
else if (strpos($name, '=')) {
return false;
}
$result = array();
foreach ($this->capability as $cap) {
$entry = explode('=', $cap);
if ($entry[0] == $name) {
$result[] = $entry[1];
}
}
return !empty($result) ? $result : false;
}
/**
* Capabilities checker
*
* @param string $name Capability name
*
* @return mixed Capability values array for key=value pairs, true/false for others
*/
function getCapability($name)
{
$result = $this->hasCapability($name);
if (!empty($result)) {
return $result;
}
else if ($this->capability_readed) {
return false;
}
// get capabilities (only once) because initial
// optional CAPABILITY response may differ
$result = $this->execute('CAPABILITY');
if ($result[0] == self::ERROR_OK) {
$this->parseCapability($result[1]);
}
$this->capability_readed = true;
return $this->hasCapability($name);
}
function clearCapability()
{
$this->capability = array();
$this->capability_readed = false;
}
/**
* DIGEST-MD5/CRAM-MD5/PLAIN Authentication
*
* @param string $user
* @param string $pass
* @param string $type Authentication type (PLAIN/CRAM-MD5/DIGEST-MD5)
*
* @return resource Connection resourse on success, error code on error
*/
function authenticate($user, $pass, $type='PLAIN')
{
if ($type == 'CRAM-MD5' || $type == 'DIGEST-MD5') {
if ($type == 'DIGEST-MD5' && !class_exists('Auth_SASL')) {
$this->setError(self::ERROR_BYE,
"The Auth_SASL package is required for DIGEST-MD5 authentication");
return self::ERROR_BAD;
}
$this->putLine($this->nextTag() . " AUTHENTICATE $type");
$line = trim($this->readReply());
if ($line[0] == '+') {
$challenge = substr($line, 2);
}
else {
return $this->parseResult($line);
}
if ($type == 'CRAM-MD5') {
// RFC2195: CRAM-MD5
$ipad = '';
$opad = '';
// initialize ipad, opad
for ($i=0; $i<64; $i++) {
$ipad .= chr(0x36);
$opad .= chr(0x5C);
}
// pad $pass so it's 64 bytes
$padLen = 64 - strlen($pass);
for ($i=0; $i<$padLen; $i++) {
$pass .= chr(0);
}
// generate hash
$hash = md5($this->_xor($pass, $opad) . pack("H*",
md5($this->_xor($pass, $ipad) . base64_decode($challenge))));
$reply = base64_encode($user . ' ' . $hash);
// send result
$this->putLine($reply, true, true);
}
else {
// RFC2831: DIGEST-MD5
// proxy authorization
if (!empty($this->prefs['auth_cid'])) {
$authc = $this->prefs['auth_cid'];
$pass = $this->prefs['auth_pw'];
}
else {
$authc = $user;
$user = '';
}
$auth_sasl = Auth_SASL::factory('digestmd5');
$reply = base64_encode($auth_sasl->getResponse($authc, $pass,
base64_decode($challenge), $this->host, 'imap', $user));
// send result
$this->putLine($reply, true, true);
$line = trim($this->readReply());
if ($line[0] == '+') {
$challenge = substr($line, 2);
}
else {
return $this->parseResult($line);
}
// check response
$challenge = base64_decode($challenge);
if (strpos($challenge, 'rspauth=') === false) {
$this->setError(self::ERROR_BAD,
"Unexpected response from server to DIGEST-MD5 response");
return self::ERROR_BAD;
}
$this->putLine('');
}
$line = $this->readReply();
$result = $this->parseResult($line);
}
else { // PLAIN
// proxy authorization
if (!empty($this->prefs['auth_cid'])) {
$authc = $this->prefs['auth_cid'];
$pass = $this->prefs['auth_pw'];
}
else {
$authc = $user;
$user = '';
}
$reply = base64_encode($user . chr(0) . $authc . chr(0) . $pass);
// RFC 4959 (SASL-IR): save one round trip
if ($this->getCapability('SASL-IR')) {
list($result, $line) = $this->execute("AUTHENTICATE PLAIN", array($reply),
self::COMMAND_LASTLINE | self::COMMAND_CAPABILITY | self::COMMAND_ANONYMIZED);
}
else {
$this->putLine($this->nextTag() . " AUTHENTICATE PLAIN");
$line = trim($this->readReply());
if ($line[0] != '+') {
return $this->parseResult($line);
}
// send result, get reply and process it
$this->putLine($reply, true, true);
$line = $this->readReply();
$result = $this->parseResult($line);
}
}
if ($result == self::ERROR_OK) {
// optional CAPABILITY response
if ($line && preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches)) {
$this->parseCapability($matches[1], true);
}
return $this->fp;
}
else {
$this->setError($result, "AUTHENTICATE $type: $line");
}
return $result;
}
/**
* LOGIN Authentication
*
* @param string $user
* @param string $pass
*
* @return resource Connection resourse on success, error code on error
*/
function login($user, $password)
{
list($code, $response) = $this->execute('LOGIN', array(
$this->escape($user), $this->escape($password)), self::COMMAND_CAPABILITY | self::COMMAND_ANONYMIZED);
// re-set capabilities list if untagged CAPABILITY response provided
if (preg_match('/\* CAPABILITY (.+)/i', $response, $matches)) {
$this->parseCapability($matches[1], true);
}
if ($code == self::ERROR_OK) {
return $this->fp;
}
return $code;
}
/**
* Detects hierarchy delimiter
*
* @return string The delimiter
*/
function getHierarchyDelimiter()
{
if ($this->prefs['delimiter']) {
return $this->prefs['delimiter'];
}
// try (LIST "" ""), should return delimiter (RFC2060 Sec 6.3.8)
list($code, $response) = $this->execute('LIST',
array($this->escape(''), $this->escape('')));
if ($code == self::ERROR_OK) {
$args = $this->tokenizeResponse($response, 4);
$delimiter = $args[3];
if (strlen($delimiter) > 0) {
return ($this->prefs['delimiter'] = $delimiter);
}
}
return NULL;
}
/**
* NAMESPACE handler (RFC 2342)
*
* @return array Namespace data hash (personal, other, shared)
*/
function getNamespace()
{
if (array_key_exists('namespace', $this->prefs)) {
return $this->prefs['namespace'];
}
if (!$this->getCapability('NAMESPACE')) {
return self::ERROR_BAD;
}
list($code, $response) = $this->execute('NAMESPACE');
if ($code == self::ERROR_OK && preg_match('/^\* NAMESPACE /', $response)) {
$data = $this->tokenizeResponse(substr($response, 11));
}
if (!is_array($data)) {
return $code;
}
$this->prefs['namespace'] = array(
'personal' => $data[0],
'other' => $data[1],
'shared' => $data[2],
);
return $this->prefs['namespace'];
}
/**
* Connects to IMAP server and authenticates.
*
* @param string $host Server hostname or IP
* @param string $user User name
* @param string $password Password
* @param array $options Connection and class options
*
* @return bool True on success, False on failure
*/
function connect($host, $user, $password, $options=null)
{
// configure
$this->set_prefs($options);
$this->host = $host;
$this->user = $user;
$this->logged = false;
$this->selected = null;
// check input
if (empty($host)) {
$this->setError(self::ERROR_BAD, "Empty host");
return false;
}
if (empty($user)) {
$this->setError(self::ERROR_NO, "Empty user");
return false;
}
if (empty($password)) {
$this->setError(self::ERROR_NO, "Empty password");
return false;
}
// Connect
if (!$this->_connect($host)) {
return false;
}
// Send ID info
if (!empty($this->prefs['ident']) && $this->getCapability('ID')) {
$this->id($this->prefs['ident']);
}
$auth_method = $this->prefs['auth_type'];
$auth_methods = array();
$result = null;
// check for supported auth methods
if ($auth_method == 'CHECK') {
if ($auth_caps = $this->getCapability('AUTH')) {
$auth_methods = $auth_caps;
}
// RFC 2595 (LOGINDISABLED) LOGIN disabled when connection is not secure
$login_disabled = $this->getCapability('LOGINDISABLED');
if (($key = array_search('LOGIN', $auth_methods)) !== false) {
if ($login_disabled) {
unset($auth_methods[$key]);
}
}
else if (!$login_disabled) {
$auth_methods[] = 'LOGIN';
}
// Use best (for security) supported authentication method
foreach (array('DIGEST-MD5', 'CRAM-MD5', 'CRAM_MD5', 'PLAIN', 'LOGIN') as $auth_method) {
if (in_array($auth_method, $auth_methods)) {
break;
}
}
}
else {
// Prevent from sending credentials in plain text when connection is not secure
if ($auth_method == 'LOGIN' && $this->getCapability('LOGINDISABLED')) {
$this->setError(self::ERROR_BAD, "Login disabled by IMAP server");
$this->closeConnection();
return false;
}
// replace AUTH with CRAM-MD5 for backward compat.
if ($auth_method == 'AUTH') {
$auth_method = 'CRAM-MD5';
}
}
// pre-login capabilities can be not complete
$this->capability_readed = false;
// Authenticate
switch ($auth_method) {
case 'CRAM_MD5':
$auth_method = 'CRAM-MD5';
case 'CRAM-MD5':
case 'DIGEST-MD5':
case 'PLAIN':
$result = $this->authenticate($user, $password, $auth_method);
break;
case 'LOGIN':
$result = $this->login($user, $password);
break;
default:
$this->setError(self::ERROR_BAD, "Configuration error. Unknown auth method: $auth_method");
}
// Connected and authenticated
if (is_resource($result)) {
if ($this->prefs['force_caps']) {
$this->clearCapability();
}
$this->logged = true;
return true;
}
$this->closeConnection();
return false;
}
/**
* Connects to IMAP server.
*
* @param string $host Server hostname or IP
*
* @return bool True on success, False on failure
*/
protected function _connect($host)
{
// initialize connection
$this->error = '';
$this->errornum = self::ERROR_OK;
if (!$this->prefs['port']) {
$this->prefs['port'] = 143;
}
// check for SSL
if ($this->prefs['ssl_mode'] && $this->prefs['ssl_mode'] != 'tls') {
$host = $this->prefs['ssl_mode'] . '://' . $host;
}
if ($this->prefs['timeout'] <= 0) {
$this->prefs['timeout'] = max(0, intval(ini_get('default_socket_timeout')));
}
if (!empty($this->prefs['socket_options'])) {
$context = stream_context_create($this->prefs['socket_options']);
$this->fp = stream_socket_client($host . ':' . $this->prefs['port'], $errno, $errstr,
$this->prefs['timeout'], STREAM_CLIENT_CONNECT, $context);
}
else {
$this->fp = @fsockopen($host, $this->prefs['port'], $errno, $errstr, $this->prefs['timeout']);
}
if (!$this->fp) {
$this->setError(self::ERROR_BAD, sprintf("Could not connect to %s:%d: %s",
$host, $this->prefs['port'], $errstr ?: "Unknown reason"));
return false;
}
if ($this->prefs['timeout'] > 0) {
stream_set_timeout($this->fp, $this->prefs['timeout']);
}
$line = trim(fgets($this->fp, 8192));
if ($this->_debug) {
// set connection identifier for debug output
preg_match('/#([0-9]+)/', (string) $this->fp, $m);
$this->resourceid = strtoupper(substr(md5($m[1].$this->user.microtime()), 0, 4));
if ($line) {
$this->debug('S: '. $line);
}
}
// Connected to wrong port or connection error?
if (!preg_match('/^\* (OK|PREAUTH)/i', $line)) {
if ($line)
$error = sprintf("Wrong startup greeting (%s:%d): %s", $host, $this->prefs['port'], $line);
else
$error = sprintf("Empty startup greeting (%s:%d)", $host, $this->prefs['port']);
$this->setError(self::ERROR_BAD, $error);
$this->closeConnection();
return false;
}
// RFC3501 [7.1] optional CAPABILITY response
if (preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches)) {
$this->parseCapability($matches[1], true);
}
// TLS connection
if ($this->prefs['ssl_mode'] == 'tls' && $this->getCapability('STARTTLS')) {
$res = $this->execute('STARTTLS');
if ($res[0] != self::ERROR_OK) {
$this->closeConnection();
return false;
}
if (!stream_socket_enable_crypto($this->fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
$this->setError(self::ERROR_BAD, "Unable to negotiate TLS");
$this->closeConnection();
return false;
}
// Now we're secure, capabilities need to be reread
$this->clearCapability();
}
return true;
}
/**
* Initializes environment
*/
protected function set_prefs($prefs)
{
// set preferences
if (is_array($prefs)) {
$this->prefs = $prefs;
}
// set auth method
if (!empty($this->prefs['auth_type'])) {
$this->prefs['auth_type'] = strtoupper($this->prefs['auth_type']);
}
else {
$this->prefs['auth_type'] = 'CHECK';
}
// disabled capabilities
if (!empty($this->prefs['disabled_caps'])) {
$this->prefs['disabled_caps'] = array_map('strtoupper', (array)$this->prefs['disabled_caps']);
}
// additional message flags
if (!empty($this->prefs['message_flags'])) {
$this->flags = array_merge($this->flags, $this->prefs['message_flags']);
unset($this->prefs['message_flags']);
}
}
/**
* Checks connection status
*
* @return bool True if connection is active and user is logged in, False otherwise.
*/
function connected()
{
return ($this->fp && $this->logged) ? true : false;
}
/**
* Closes connection with logout.
*/
function closeConnection()
{
if ($this->logged && $this->putLine($this->nextTag() . ' LOGOUT')) {
$this->readReply();
}
$this->closeSocket();
}
/**
* Executes SELECT command (if mailbox is already not in selected state)
*
* @param string $mailbox Mailbox name
* @param array $qresync_data QRESYNC data (RFC5162)
*
* @return boolean True on success, false on error
*/
function select($mailbox, $qresync_data = null)
{
if (!strlen($mailbox)) {
return false;
}
if ($this->selected === $mailbox) {
return true;
}
/*
Temporary commented out because Courier returns \Noselect for INBOX
Requires more investigation
if (is_array($this->data['LIST']) && is_array($opts = $this->data['LIST'][$mailbox])) {
if (in_array('\\Noselect', $opts)) {
return false;
}
}
*/
$params = array($this->escape($mailbox));
// QRESYNC data items
// 0. the last known UIDVALIDITY,
// 1. the last known modification sequence,
// 2. the optional set of known UIDs, and
// 3. an optional parenthesized list of known sequence ranges and their
// corresponding UIDs.
if (!empty($qresync_data)) {
if (!empty($qresync_data[2]))
$qresync_data[2] = self::compressMessageSet($qresync_data[2]);
$params[] = array('QRESYNC', $qresync_data);
}
list($code, $response) = $this->execute('SELECT', $params);
if ($code == self::ERROR_OK) {
$response = explode("\r\n", $response);
foreach ($response as $line) {
if (preg_match('/^\* ([0-9]+) (EXISTS|RECENT)$/i', $line, $m)) {
$this->data[strtoupper($m[2])] = (int) $m[1];
}
else if (preg_match('/^\* OK \[/i', $line, $match)) {
$line = substr($line, 6);
if (preg_match('/^(UIDNEXT|UIDVALIDITY|UNSEEN) ([0-9]+)/i', $line, $match)) {
$this->data[strtoupper($match[1])] = (int) $match[2];
}
else if (preg_match('/^(HIGHESTMODSEQ) ([0-9]+)/i', $line, $match)) {
$this->data[strtoupper($match[1])] = (string) $match[2];
}
else if (preg_match('/^(NOMODSEQ)/i', $line, $match)) {
$this->data[strtoupper($match[1])] = true;
}
else if (preg_match('/^PERMANENTFLAGS \(([^\)]+)\)/iU', $line, $match)) {
$this->data['PERMANENTFLAGS'] = explode(' ', $match[1]);
}
}
// QRESYNC FETCH response (RFC5162)
else if (preg_match('/^\* ([0-9+]) FETCH/i', $line, $match)) {
$line = substr($line, strlen($match[0]));
$fetch_data = $this->tokenizeResponse($line, 1);
$data = array('id' => $match[1]);
for ($i=0, $size=count($fetch_data); $i<$size; $i+=2) {
$data[strtolower($fetch_data[$i])] = $fetch_data[$i+1];
}
$this->data['QRESYNC'][$data['uid']] = $data;
}
// QRESYNC VANISHED response (RFC5162)
else if (preg_match('/^\* VANISHED [()EARLIER]*/i', $line, $match)) {
$line = substr($line, strlen($match[0]));
$v_data = $this->tokenizeResponse($line, 1);
$this->data['VANISHED'] = $v_data;
}
}
$this->data['READ-WRITE'] = $this->resultcode != 'READ-ONLY';
$this->selected = $mailbox;
return true;
}
return false;
}
/**
* Executes STATUS command
*
* @param string $mailbox Mailbox name
* @param array $items Additional requested item names. By default
* MESSAGES and UNSEEN are requested. Other defined
* in RFC3501: UIDNEXT, UIDVALIDITY, RECENT
*
* @return array Status item-value hash
* @since 0.5-beta
*/
function status($mailbox, $items=array())
{
if (!strlen($mailbox)) {
return false;
}
if (!in_array('MESSAGES', $items)) {
$items[] = 'MESSAGES';
}
if (!in_array('UNSEEN', $items)) {
$items[] = 'UNSEEN';
}
list($code, $response) = $this->execute('STATUS', array($this->escape($mailbox),
'(' . implode(' ', (array) $items) . ')'));
if ($code == self::ERROR_OK && preg_match('/\* STATUS /i', $response)) {
$result = array();
$response = substr($response, 9); // remove prefix "* STATUS "
list($mbox, $items) = $this->tokenizeResponse($response, 2);
// Fix for #1487859. Some buggy server returns not quoted
// folder name with spaces. Let's try to handle this situation
if (!is_array($items) && ($pos = strpos($response, '(')) !== false) {
$response = substr($response, $pos);
$items = $this->tokenizeResponse($response, 1);
if (!is_array($items)) {
return $result;
}
}
for ($i=0, $len=count($items); $i<$len; $i += 2) {
$result[$items[$i]] = $items[$i+1];
}
$this->data['STATUS:'.$mailbox] = $result;
return $result;
}
return false;
}
/**
* Executes EXPUNGE command
*
* @param string $mailbox Mailbox name
* @param string|array $messages Message UIDs to expunge
*
* @return boolean True on success, False on error
*/
function expunge($mailbox, $messages=NULL)
{
if (!$this->select($mailbox)) {
return false;
}
if (!$this->data['READ-WRITE']) {
$this->setError(self::ERROR_READONLY, "Mailbox is read-only");
return false;
}
// Clear internal status cache
unset($this->data['STATUS:'.$mailbox]);
if (!empty($messages) && $messages != '*' && $this->hasCapability('UIDPLUS')) {
$messages = self::compressMessageSet($messages);
$result = $this->execute('UID EXPUNGE', array($messages), self::COMMAND_NORESPONSE);
}
else {
$result = $this->execute('EXPUNGE', null, self::COMMAND_NORESPONSE);
}
if ($result == self::ERROR_OK) {
$this->selected = null; // state has changed, need to reselect
return true;
}
return false;
}
/**
* Executes CLOSE command
*
* @return boolean True on success, False on error
* @since 0.5
*/
function close()
{
$result = $this->execute('CLOSE', NULL, self::COMMAND_NORESPONSE);
if ($result == self::ERROR_OK) {
$this->selected = null;
return true;
}
return false;
}
/**
* Folder subscription (SUBSCRIBE)
*
* @param string $mailbox Mailbox name
*
* @return boolean True on success, False on error
*/
function subscribe($mailbox)
{
$result = $this->execute('SUBSCRIBE', array($this->escape($mailbox)),
self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Folder unsubscription (UNSUBSCRIBE)
*
* @param string $mailbox Mailbox name
*
* @return boolean True on success, False on error
*/
function unsubscribe($mailbox)
{
$result = $this->execute('UNSUBSCRIBE', array($this->escape($mailbox)),
self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Folder creation (CREATE)
*
* @param string $mailbox Mailbox name
* @param array $types Optional folder types (RFC 6154)
*
* @return bool True on success, False on error
*/
function createFolder($mailbox, $types = null)
{
$args = array($this->escape($mailbox));
// RFC 6154: CREATE-SPECIAL-USE
if (!empty($types) && $this->getCapability('CREATE-SPECIAL-USE')) {
$args[] = '(USE (' . implode(' ', $types) . '))';
}
$result = $this->execute('CREATE', $args, self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Folder renaming (RENAME)
*
* @param string $mailbox Mailbox name
*
* @return bool True on success, False on error
*/
function renameFolder($from, $to)
{
$result = $this->execute('RENAME', array($this->escape($from), $this->escape($to)),
self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Executes DELETE command
*
* @param string $mailbox Mailbox name
*
* @return boolean True on success, False on error
*/
function deleteFolder($mailbox)
{
$result = $this->execute('DELETE', array($this->escape($mailbox)),
self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Removes all messages in a folder
*
* @param string $mailbox Mailbox name
*
* @return boolean True on success, False on error
*/
function clearFolder($mailbox)
{
$num_in_trash = $this->countMessages($mailbox);
if ($num_in_trash > 0) {
$res = $this->flag($mailbox, '1:*', 'DELETED');
}
if ($res) {
if ($this->selected === $mailbox)
$res = $this->close();
else
$res = $this->expunge($mailbox);
}
return $res;
}
/**
* Returns list of mailboxes
*
* @param string $ref Reference name
* @param string $mailbox Mailbox name
* @param array $return_opts (see self::_listMailboxes)
* @param array $select_opts (see self::_listMailboxes)
*
* @return array List of mailboxes or hash of options if $return_opts argument
* is non-empty.
*/
function listMailboxes($ref, $mailbox, $return_opts=array(), $select_opts=array())
{
return $this->_listMailboxes($ref, $mailbox, false, $return_opts, $select_opts);
}
/**
* Returns list of subscribed mailboxes
*
* @param string $ref Reference name
* @param string $mailbox Mailbox name
* @param array $return_opts (see self::_listMailboxes)
*
* @return array List of mailboxes or hash of options if $return_opts argument
* is non-empty.
*/
function listSubscribed($ref, $mailbox, $return_opts=array())
{
return $this->_listMailboxes($ref, $mailbox, true, $return_opts, NULL);
}
/**
* IMAP LIST/LSUB command
*
* @param string $ref Reference name
* @param string $mailbox Mailbox name
* @param bool $subscribed Enables returning subscribed mailboxes only
* @param array $return_opts List of RETURN options (RFC5819: LIST-STATUS, RFC5258: LIST-EXTENDED)
* Possible: MESSAGES, RECENT, UIDNEXT, UIDVALIDITY, UNSEEN,
* MYRIGHTS, SUBSCRIBED, CHILDREN
* @param array $select_opts List of selection options (RFC5258: LIST-EXTENDED)
* Possible: SUBSCRIBED, RECURSIVEMATCH, REMOTE,
* SPECIAL-USE (RFC6154)
*
* @return array List of mailboxes or hash of options if $status_ops argument
* is non-empty.
*/
protected function _listMailboxes($ref, $mailbox, $subscribed=false,
$return_opts=array(), $select_opts=array())
{
if (!strlen($mailbox)) {
$mailbox = '*';
}
$args = array();
$rets = array();
if (!empty($select_opts) && $this->getCapability('LIST-EXTENDED')) {
$select_opts = (array) $select_opts;
$args[] = '(' . implode(' ', $select_opts) . ')';
}
$args[] = $this->escape($ref);
$args[] = $this->escape($mailbox);
if (!empty($return_opts) && $this->getCapability('LIST-EXTENDED')) {
$rets = array_intersect($return_opts, array('SUBSCRIBED', 'CHILDREN'));
}
if (!empty($return_opts) && $this->getCapability('LIST-STATUS')) {
$lstatus = true;
$status_opts = array('MESSAGES', 'RECENT', 'UIDNEXT', 'UIDVALIDITY', 'UNSEEN');
$opts = array_diff($return_opts, $status_opts);
$status_opts = array_diff($return_opts, $opts);
if (!empty($status_opts)) {
$rets[] = 'STATUS (' . implode(' ', $status_opts) . ')';
}
if (!empty($opts)) {
$rets = array_merge($rets, $opts);
}
}
if (!empty($rets)) {
$args[] = 'RETURN (' . implode(' ', $rets) . ')';
}
list($code, $response) = $this->execute($subscribed ? 'LSUB' : 'LIST', $args);
if ($code == self::ERROR_OK) {
$folders = array();
$last = 0;
$pos = 0;
$response .= "\r\n";
while ($pos = strpos($response, "\r\n", $pos+1)) {
// literal string, not real end-of-command-line
if ($response[$pos-1] == '}') {
continue;
}
$line = substr($response, $last, $pos - $last);
$last = $pos + 2;
if (!preg_match('/^\* (LIST|LSUB|STATUS|MYRIGHTS) /i', $line, $m)) {
continue;
}
$cmd = strtoupper($m[1]);
$line = substr($line, strlen($m[0]));
// * LIST (<options>) <delimiter> <mailbox>
if ($cmd == 'LIST' || $cmd == 'LSUB') {
list($opts, $delim, $mailbox) = $this->tokenizeResponse($line, 3);
// Remove redundant separator at the end of folder name, UW-IMAP bug? (#1488879)
if ($delim) {
$mailbox = rtrim($mailbox, $delim);
}
// Add to result array
if (!$lstatus) {
$folders[] = $mailbox;
}
else {
$folders[$mailbox] = array();
}
// store folder options
if ($cmd == 'LIST') {
// Add to options array
if (empty($this->data['LIST'][$mailbox]))
$this->data['LIST'][$mailbox] = $opts;
else if (!empty($opts))
$this->data['LIST'][$mailbox] = array_unique(array_merge(
$this->data['LIST'][$mailbox], $opts));
}
}
else if ($lstatus) {
// * STATUS <mailbox> (<result>)
if ($cmd == 'STATUS') {
list($mailbox, $status) = $this->tokenizeResponse($line, 2);
for ($i=0, $len=count($status); $i<$len; $i += 2) {
list($name, $value) = $this->tokenizeResponse($status, 2);
$folders[$mailbox][$name] = $value;
}
}
// * MYRIGHTS <mailbox> <acl>
else if ($cmd == 'MYRIGHTS') {
list($mailbox, $acl) = $this->tokenizeResponse($line, 2);
$folders[$mailbox]['MYRIGHTS'] = $acl;
}
}
}
return $folders;
}
return false;
}
/**
* Returns count of all messages in a folder
*
* @param string $mailbox Mailbox name
*
* @return int Number of messages, False on error
*/
function countMessages($mailbox, $refresh = false)
{
if ($refresh) {
$this->selected = null;
}
if ($this->selected === $mailbox) {
return $this->data['EXISTS'];
}
// Check internal cache
$cache = $this->data['STATUS:'.$mailbox];
if (!empty($cache) && isset($cache['MESSAGES'])) {
return (int) $cache['MESSAGES'];
}
// Try STATUS (should be faster than SELECT)
$counts = $this->status($mailbox);
if (is_array($counts)) {
return (int) $counts['MESSAGES'];
}
return false;
}
/**
* Returns count of messages with \Recent flag in a folder
*
* @param string $mailbox Mailbox name
*
* @return int Number of messages, False on error
*/
function countRecent($mailbox)
{
if (!strlen($mailbox)) {
$mailbox = 'INBOX';
}
$this->select($mailbox);
if ($this->selected === $mailbox) {
return $this->data['RECENT'];
}
return false;
}
/**
* Returns count of messages without \Seen flag in a specified folder
*
* @param string $mailbox Mailbox name
*
* @return int Number of messages, False on error
*/
function countUnseen($mailbox)
{
// Check internal cache
$cache = $this->data['STATUS:'.$mailbox];
if (!empty($cache) && isset($cache['UNSEEN'])) {
return (int) $cache['UNSEEN'];
}
// Try STATUS (should be faster than SELECT+SEARCH)
$counts = $this->status($mailbox);
if (is_array($counts)) {
return (int) $counts['UNSEEN'];
}
// Invoke SEARCH as a fallback
$index = $this->search($mailbox, 'ALL UNSEEN', false, array('COUNT'));
if (!$index->is_error()) {
return $index->count();
}
return false;
}
/**
* Executes ID command (RFC2971)
*
* @param array $items Client identification information key/value hash
*
* @return array Server identification information key/value hash
* @since 0.6
*/
function id($items=array())
{
if (is_array($items) && !empty($items)) {
foreach ($items as $key => $value) {
$args[] = $this->escape($key, true);
$args[] = $this->escape($value, true);
}
}
list($code, $response) = $this->execute('ID', array(
!empty($args) ? '(' . implode(' ', (array) $args) . ')' : $this->escape(null)
));
if ($code == self::ERROR_OK && preg_match('/\* ID /i', $response)) {
$response = substr($response, 5); // remove prefix "* ID "
$items = $this->tokenizeResponse($response, 1);
$result = null;
for ($i=0, $len=count($items); $i<$len; $i += 2) {
$result[$items[$i]] = $items[$i+1];
}
return $result;
}
return false;
}
/**
* Executes ENABLE command (RFC5161)
*
* @param mixed $extension Extension name to enable (or array of names)
*
* @return array|bool List of enabled extensions, False on error
* @since 0.6
*/
function enable($extension)
{
if (empty($extension)) {
return false;
}
if (!$this->hasCapability('ENABLE')) {
return false;
}
if (!is_array($extension)) {
$extension = array($extension);
}
if (!empty($this->extensions_enabled)) {
// check if all extensions are already enabled
$diff = array_diff($extension, $this->extensions_enabled);
if (empty($diff)) {
return $extension;
}
// Make sure the mailbox isn't selected, before enabling extension(s)
if ($this->selected !== null) {
$this->close();
}
}
list($code, $response) = $this->execute('ENABLE', $extension);
if ($code == self::ERROR_OK && preg_match('/\* ENABLED /i', $response)) {
$response = substr($response, 10); // remove prefix "* ENABLED "
$result = (array) $this->tokenizeResponse($response);
$this->extensions_enabled = array_unique(array_merge((array)$this->extensions_enabled, $result));
return $this->extensions_enabled;
}
return false;
}
/**
* Executes SORT command
*
* @param string $mailbox Mailbox name
* @param string $field Field to sort by (ARRIVAL, CC, DATE, FROM, SIZE, SUBJECT, TO)
* @param string $criteria Searching criteria
* @param bool $return_uid Enables UID SORT usage
* @param string $encoding Character set
*
* @return rcube_result_index Response data
*/
function sort($mailbox, $field = 'ARRIVAL', $criteria = '', $return_uid = false, $encoding = 'US-ASCII')
{
$old_sel = $this->selected;
$supported = array('ARRIVAL', 'CC', 'DATE', 'FROM', 'SIZE', 'SUBJECT', 'TO');
$field = strtoupper($field);
if ($field == 'INTERNALDATE') {
$field = 'ARRIVAL';
}
if (!in_array($field, $supported)) {
return new rcube_result_index($mailbox);
}
if (!$this->select($mailbox)) {
return new rcube_result_index($mailbox);
}
// return empty result when folder is empty and we're just after SELECT
if ($old_sel != $mailbox && !$this->data['EXISTS']) {
return new rcube_result_index($mailbox, '* SORT');
}
// RFC 5957: SORT=DISPLAY
if (($field == 'FROM' || $field == 'TO') && $this->getCapability('SORT=DISPLAY')) {
$field = 'DISPLAY' . $field;
}
$encoding = $encoding ? trim($encoding) : 'US-ASCII';
$criteria = $criteria ? 'ALL ' . trim($criteria) : 'ALL';
list($code, $response) = $this->execute($return_uid ? 'UID SORT' : 'SORT',
array("($field)", $encoding, $criteria));
if ($code != self::ERROR_OK) {
$response = null;
}
return new rcube_result_index($mailbox, $response);
}
/**
* Executes THREAD command
*
* @param string $mailbox Mailbox name
* @param string $algorithm Threading algorithm (ORDEREDSUBJECT, REFERENCES, REFS)
* @param string $criteria Searching criteria
* @param bool $return_uid Enables UIDs in result instead of sequence numbers
* @param string $encoding Character set
*
* @return rcube_result_thread Thread data
*/
function thread($mailbox, $algorithm='REFERENCES', $criteria='', $return_uid=false, $encoding='US-ASCII')
{
$old_sel = $this->selected;
if (!$this->select($mailbox)) {
return new rcube_result_thread($mailbox);
}
// return empty result when folder is empty and we're just after SELECT
if ($old_sel != $mailbox && !$this->data['EXISTS']) {
return new rcube_result_thread($mailbox, '* THREAD');
}
$encoding = $encoding ? trim($encoding) : 'US-ASCII';
$algorithm = $algorithm ? trim($algorithm) : 'REFERENCES';
$criteria = $criteria ? 'ALL '.trim($criteria) : 'ALL';
$data = '';
list($code, $response) = $this->execute($return_uid ? 'UID THREAD' : 'THREAD',
array($algorithm, $encoding, $criteria));
if ($code != self::ERROR_OK) {
$response = null;
}
return new rcube_result_thread($mailbox, $response);
}
/**
* Executes SEARCH command
*
* @param string $mailbox Mailbox name
* @param string $criteria Searching criteria
* @param bool $return_uid Enable UID in result instead of sequence ID
* @param array $items Return items (MIN, MAX, COUNT, ALL)
*
* @return rcube_result_index Result data
*/
function search($mailbox, $criteria, $return_uid=false, $items=array())
{
$old_sel = $this->selected;
if (!$this->select($mailbox)) {
return new rcube_result_index($mailbox);
}
// return empty result when folder is empty and we're just after SELECT
if ($old_sel != $mailbox && !$this->data['EXISTS']) {
return new rcube_result_index($mailbox, '* SEARCH');
}
// If ESEARCH is supported always use ALL
// but not when items are specified or using simple id2uid search
if (empty($items) && preg_match('/[^0-9]/', $criteria)) {
$items = array('ALL');
}
$esearch = empty($items) ? false : $this->getCapability('ESEARCH');
$criteria = trim($criteria);
$params = '';
// RFC4731: ESEARCH
if (!empty($items) && $esearch) {
$params .= 'RETURN (' . implode(' ', $items) . ')';
}
if (!empty($criteria)) {
$params .= ($params ? ' ' : '') . $criteria;
}
else {
$params .= 'ALL';
}
list($code, $response) = $this->execute($return_uid ? 'UID SEARCH' : 'SEARCH',
array($params));
if ($code != self::ERROR_OK) {
$response = null;
}
return new rcube_result_index($mailbox, $response);
}
/**
* Simulates SORT command by using FETCH and sorting.
*
* @param string $mailbox Mailbox name
* @param string|array $message_set Searching criteria (list of messages to return)
* @param string $index_field Field to sort by (ARRIVAL, CC, DATE, FROM, SIZE, SUBJECT, TO)
* @param bool $skip_deleted Makes that DELETED messages will be skipped
* @param bool $uidfetch Enables UID FETCH usage
* @param bool $return_uid Enables returning UIDs instead of IDs
*
* @return rcube_result_index Response data
*/
function index($mailbox, $message_set, $index_field='', $skip_deleted=true,
$uidfetch=false, $return_uid=false)
{
$msg_index = $this->fetchHeaderIndex($mailbox, $message_set,
$index_field, $skip_deleted, $uidfetch, $return_uid);
if (!empty($msg_index)) {
asort($msg_index); // ASC
$msg_index = array_keys($msg_index);
$msg_index = '* SEARCH ' . implode(' ', $msg_index);
}
else {
$msg_index = is_array($msg_index) ? '* SEARCH' : null;
}
return new rcube_result_index($mailbox, $msg_index);
}
function fetchHeaderIndex($mailbox, $message_set, $index_field='', $skip_deleted=true,
$uidfetch=false, $return_uid=false)
{
if (is_array($message_set)) {
if (!($message_set = $this->compressMessageSet($message_set)))
return false;
} else {
list($from_idx, $to_idx) = explode(':', $message_set);
if (empty($message_set) ||
(isset($to_idx) && $to_idx != '*' && (int)$from_idx > (int)$to_idx)) {
return false;
}
}
$index_field = empty($index_field) ? 'DATE' : strtoupper($index_field);
$fields_a['DATE'] = 1;
$fields_a['INTERNALDATE'] = 4;
$fields_a['ARRIVAL'] = 4;
$fields_a['FROM'] = 1;
$fields_a['REPLY-TO'] = 1;
$fields_a['SENDER'] = 1;
$fields_a['TO'] = 1;
$fields_a['CC'] = 1;
$fields_a['SUBJECT'] = 1;
$fields_a['UID'] = 2;
$fields_a['SIZE'] = 2;
$fields_a['SEEN'] = 3;
$fields_a['RECENT'] = 3;
$fields_a['DELETED'] = 3;
if (!($mode = $fields_a[$index_field])) {
return false;
}
/* Do "SELECT" command */
if (!$this->select($mailbox)) {
return false;
}
// build FETCH command string
$key = $this->nextTag();
$cmd = $uidfetch ? 'UID FETCH' : 'FETCH';
$fields = array();
if ($return_uid)
$fields[] = 'UID';
if ($skip_deleted)
$fields[] = 'FLAGS';
if ($mode == 1) {
if ($index_field == 'DATE')
$fields[] = 'INTERNALDATE';
$fields[] = "BODY.PEEK[HEADER.FIELDS ($index_field)]";
}
else if ($mode == 2) {
if ($index_field == 'SIZE')
$fields[] = 'RFC822.SIZE';
else if (!$return_uid || $index_field != 'UID')
$fields[] = $index_field;
}
else if ($mode == 3 && !$skip_deleted)
$fields[] = 'FLAGS';
else if ($mode == 4)
$fields[] = 'INTERNALDATE';
$request = "$key $cmd $message_set (" . implode(' ', $fields) . ")";
if (!$this->putLine($request)) {
$this->setError(self::ERROR_COMMAND, "Unable to send command: $request");
return false;
}
$result = array();
do {
$line = rtrim($this->readLine(200));
$line = $this->multLine($line);
if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) {
$id = $m[1];
$flags = NULL;
if ($return_uid) {
if (preg_match('/UID ([0-9]+)/', $line, $matches))
$id = (int) $matches[1];
else
continue;
}
if ($skip_deleted && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) {
$flags = explode(' ', strtoupper($matches[1]));
if (in_array('\\DELETED', $flags)) {
continue;
}
}
if ($mode == 1 && $index_field == 'DATE') {
if (preg_match('/BODY\[HEADER\.FIELDS \("*DATE"*\)\] (.*)/', $line, $matches)) {
$value = preg_replace(array('/^"*[a-z]+:/i'), '', $matches[1]);
$value = trim($value);
$result[$id] = $this->strToTime($value);
}
// non-existent/empty Date: header, use INTERNALDATE
if (empty($result[$id])) {
if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches))
$result[$id] = $this->strToTime($matches[1]);
else
$result[$id] = 0;
}
} else if ($mode == 1) {
if (preg_match('/BODY\[HEADER\.FIELDS \("?(FROM|REPLY-TO|SENDER|TO|SUBJECT)"?\)\] (.*)/', $line, $matches)) {
$value = preg_replace(array('/^"*[a-z]+:/i', '/\s+$/sm'), array('', ''), $matches[2]);
$result[$id] = trim($value);
} else {
$result[$id] = '';
}
} else if ($mode == 2) {
if (preg_match('/(UID|RFC822\.SIZE) ([0-9]+)/', $line, $matches)) {
$result[$id] = trim($matches[2]);
} else {
$result[$id] = 0;
}
} else if ($mode == 3) {
if (!$flags && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) {
$flags = explode(' ', $matches[1]);
}
$result[$id] = in_array('\\'.$index_field, $flags) ? 1 : 0;
} else if ($mode == 4) {
if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) {
$result[$id] = $this->strToTime($matches[1]);
} else {
$result[$id] = 0;
}
}
}
} while (!$this->startsWith($line, $key, true, true));
return $result;
}
/**
* Returns message sequence identifier
*
* @param string $mailbox Mailbox name
* @param int $uid Message unique identifier (UID)
*
* @return int Message sequence identifier
*/
function UID2ID($mailbox, $uid)
{
if ($uid > 0) {
$index = $this->search($mailbox, "UID $uid");
if ($index->count() == 1) {
$arr = $index->get();
return (int) $arr[0];
}
}
return null;
}
/**
* Returns message unique identifier (UID)
*
* @param string $mailbox Mailbox name
* @param int $uid Message sequence identifier
*
* @return int Message unique identifier
*/
function ID2UID($mailbox, $id)
{
if (empty($id) || $id < 0) {
return null;
}
if (!$this->select($mailbox)) {
return null;
}
$index = $this->search($mailbox, $id, true);
if ($index->count() == 1) {
$arr = $index->get();
return (int) $arr[0];
}
return null;
}
/**
* Sets flag of the message(s)
*
* @param string $mailbox Mailbox name
* @param string|array $messages Message UID(s)
* @param string $flag Flag name
*
* @return bool True on success, False on failure
*/
function flag($mailbox, $messages, $flag) {
return $this->modFlag($mailbox, $messages, $flag, '+');
}
/**
* Unsets flag of the message(s)
*
* @param string $mailbox Mailbox name
* @param string|array $messages Message UID(s)
* @param string $flag Flag name
*
* @return bool True on success, False on failure
*/
function unflag($mailbox, $messages, $flag) {
return $this->modFlag($mailbox, $messages, $flag, '-');
}
/**
* Changes flag of the message(s)
*
* @param string $mailbox Mailbox name
* @param string|array $messages Message UID(s)
* @param string $flag Flag name
* @param string $mod Modifier [+|-]. Default: "+".
*
* @return bool True on success, False on failure
*/
protected function modFlag($mailbox, $messages, $flag, $mod = '+')
{
if ($mod != '+' && $mod != '-') {
$mod = '+';
}
if (!$this->select($mailbox)) {
return false;
}
if (!$this->data['READ-WRITE']) {
$this->setError(self::ERROR_READONLY, "Mailbox is read-only");
return false;
}
// Clear internal status cache
if ($flag == 'SEEN') {
unset($this->data['STATUS:'.$mailbox]['UNSEEN']);
}
$flag = $this->flags[strtoupper($flag)];
$result = $this->execute('UID STORE', array(
$this->compressMessageSet($messages), $mod . 'FLAGS.SILENT', "($flag)"),
self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Copies message(s) from one folder to another
*
* @param string|array $messages Message UID(s)
* @param string $from Mailbox name
* @param string $to Destination mailbox name
*
* @return bool True on success, False on failure
*/
function copy($messages, $from, $to)
{
// Clear last COPYUID data
unset($this->data['COPYUID']);
if (!$this->select($from)) {
return false;
}
// Clear internal status cache
unset($this->data['STATUS:'.$to]);
$result = $this->execute('UID COPY', array(
$this->compressMessageSet($messages), $this->escape($to)),
self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Moves message(s) from one folder to another.
*
* @param string|array $messages Message UID(s)
* @param string $from Mailbox name
* @param string $to Destination mailbox name
*
* @return bool True on success, False on failure
*/
function move($messages, $from, $to)
{
if (!$this->select($from)) {
return false;
}
if (!$this->data['READ-WRITE']) {
$this->setError(self::ERROR_READONLY, "Mailbox is read-only");
return false;
}
// use MOVE command (RFC 6851)
if ($this->hasCapability('MOVE')) {
// Clear last COPYUID data
unset($this->data['COPYUID']);
// Clear internal status cache
unset($this->data['STATUS:'.$to]);
unset($this->data['STATUS:'.$from]);
$result = $this->execute('UID MOVE', array(
$this->compressMessageSet($messages), $this->escape($to)),
self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
// use COPY + STORE +FLAGS.SILENT \Deleted + EXPUNGE
$result = $this->copy($messages, $from, $to);
if ($result) {
// Clear internal status cache
unset($this->data['STATUS:'.$from]);
$result = $this->flag($from, $messages, 'DELETED');
if ($messages == '*') {
// CLOSE+SELECT should be faster than EXPUNGE
$this->close();
}
else {
$this->expunge($from, $messages);
}
}
return $result;
}
/**
* FETCH command (RFC3501)
*
* @param string $mailbox Mailbox name
* @param mixed $message_set Message(s) sequence identifier(s) or UID(s)
* @param bool $is_uid True if $message_set contains UIDs
* @param array $query_items FETCH command data items
* @param string $mod_seq Modification sequence for CHANGEDSINCE (RFC4551) query
* @param bool $vanished Enables VANISHED parameter (RFC5162) for CHANGEDSINCE query
*
* @return array List of rcube_message_header elements, False on error
* @since 0.6
*/
function fetch($mailbox, $message_set, $is_uid = false, $query_items = array(),
$mod_seq = null, $vanished = false)
{
if (!$this->select($mailbox)) {
return false;
}
$message_set = $this->compressMessageSet($message_set);
$result = array();
$key = $this->nextTag();
$request = $key . ($is_uid ? ' UID' : '') . " FETCH $message_set ";
$request .= "(" . implode(' ', $query_items) . ")";
if ($mod_seq !== null && $this->hasCapability('CONDSTORE')) {
$request .= " (CHANGEDSINCE $mod_seq" . ($vanished ? " VANISHED" : '') .")";
}
if (!$this->putLine($request)) {
$this->setError(self::ERROR_COMMAND, "Unable to send command: $request");
return false;
}
do {
$line = $this->readLine(4096);
if (!$line)
break;
// Sample reply line:
// * 321 FETCH (UID 2417 RFC822.SIZE 2730 FLAGS (\Seen)
// INTERNALDATE "16-Nov-2008 21:08:46 +0100" BODYSTRUCTURE (...)
// BODY[HEADER.FIELDS ...
if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) {
$id = intval($m[1]);
$result[$id] = new rcube_message_header;
$result[$id]->id = $id;
$result[$id]->subject = '';
$result[$id]->messageID = 'mid:' . $id;
$headers = null;
$lines = array();
$line = substr($line, strlen($m[0]) + 2);
$ln = 0;
// get complete entry
while (preg_match('/\{([0-9]+)\}\r\n$/', $line, $m)) {
$bytes = $m[1];
$out = '';
while (strlen($out) < $bytes) {
$out = $this->readBytes($bytes);
if ($out === NULL)
break;
$line .= $out;
}
$str = $this->readLine(4096);
if ($str === false)
break;
$line .= $str;
}
// Tokenize response and assign to object properties
while (list($name, $value) = $this->tokenizeResponse($line, 2)) {
if ($name == 'UID') {
$result[$id]->uid = intval($value);
}
else if ($name == 'RFC822.SIZE') {
$result[$id]->size = intval($value);
}
else if ($name == 'RFC822.TEXT') {
$result[$id]->body = $value;
}
else if ($name == 'INTERNALDATE') {
$result[$id]->internaldate = $value;
$result[$id]->date = $value;
$result[$id]->timestamp = $this->StrToTime($value);
}
else if ($name == 'FLAGS') {
if (!empty($value)) {
foreach ((array)$value as $flag) {
$flag = str_replace(array('$', '\\'), '', $flag);
$flag = strtoupper($flag);
$result[$id]->flags[$flag] = true;
}
}
}
else if ($name == 'MODSEQ') {
$result[$id]->modseq = $value[0];
}
else if ($name == 'ENVELOPE') {
$result[$id]->envelope = $value;
}
else if ($name == 'BODYSTRUCTURE' || ($name == 'BODY' && count($value) > 2)) {
if (!is_array($value[0]) && (strtolower($value[0]) == 'message' && strtolower($value[1]) == 'rfc822')) {
$value = array($value);
}
$result[$id]->bodystructure = $value;
}
else if ($name == 'RFC822') {
$result[$id]->body = $value;
}
else if (stripos($name, 'BODY[') === 0) {
$name = str_replace(']', '', substr($name, 5));
if ($name == 'HEADER.FIELDS') {
// skip ']' after headers list
$this->tokenizeResponse($line, 1);
$headers = $this->tokenizeResponse($line, 1);
}
else if (strlen($name))
$result[$id]->bodypart[$name] = $value;
else
$result[$id]->body = $value;
}
}
// create array with header field:data
if (!empty($headers)) {
$headers = explode("\n", trim($headers));
foreach ($headers as $resln) {
if (ord($resln[0]) <= 32) {
$lines[$ln] .= (empty($lines[$ln]) ? '' : "\n") . trim($resln);
} else {
$lines[++$ln] = trim($resln);
}
}
foreach ($lines as $str) {
list($field, $string) = explode(':', $str, 2);
$field = strtolower($field);
$string = preg_replace('/\n[\t\s]*/', ' ', trim($string));
switch ($field) {
case 'date';
$result[$id]->date = $string;
$result[$id]->timestamp = $this->strToTime($string);
break;
case 'from':
$result[$id]->from = $string;
break;
case 'to':
$result[$id]->to = preg_replace('/undisclosed-recipients:[;,]*/', '', $string);
break;
case 'subject':
$result[$id]->subject = $string;
break;
case 'reply-to':
$result[$id]->replyto = $string;
break;
case 'cc':
$result[$id]->cc = $string;
break;
case 'bcc':
$result[$id]->bcc = $string;
break;
case 'content-transfer-encoding':
$result[$id]->encoding = $string;
break;
case 'content-type':
$ctype_parts = preg_split('/[; ]+/', $string);
$result[$id]->ctype = strtolower(array_shift($ctype_parts));
if (preg_match('/charset\s*=\s*"?([a-z0-9\-\.\_]+)"?/i', $string, $regs)) {
$result[$id]->charset = $regs[1];
}
break;
case 'in-reply-to':
$result[$id]->in_reply_to = str_replace(array("\n", '<', '>'), '', $string);
break;
case 'references':
$result[$id]->references = $string;
break;
case 'return-receipt-to':
case 'disposition-notification-to':
case 'x-confirm-reading-to':
$result[$id]->mdn_to = $string;
break;
case 'message-id':
$result[$id]->messageID = $string;
break;
case 'x-priority':
if (preg_match('/^(\d+)/', $string, $matches)) {
$result[$id]->priority = intval($matches[1]);
}
break;
default:
if (strlen($field) < 3) {
break;
}
if ($result[$id]->others[$field]) {
$string = array_merge((array)$result[$id]->others[$field], (array)$string);
}
$result[$id]->others[$field] = $string;
}
}
}
}
// VANISHED response (QRESYNC RFC5162)
// Sample: * VANISHED (EARLIER) 300:310,405,411
else if (preg_match('/^\* VANISHED [()EARLIER]*/i', $line, $match)) {
$line = substr($line, strlen($match[0]));
$v_data = $this->tokenizeResponse($line, 1);
$this->data['VANISHED'] = $v_data;
}
} while (!$this->startsWith($line, $key, true));
return $result;
}
/**
* Returns message(s) data (flags, headers, etc.)
*
* @param string $mailbox Mailbox name
* @param mixed $message_set Message(s) sequence identifier(s) or UID(s)
* @param bool $is_uid True if $message_set contains UIDs
* @param bool $bodystr Enable to add BODYSTRUCTURE data to the result
* @param array $add_headers List of additional headers
*
* @return bool|array List of rcube_message_header elements, False on error
*/
function fetchHeaders($mailbox, $message_set, $is_uid = false, $bodystr = false, $add_headers = array())
{
$query_items = array('UID', 'RFC822.SIZE', 'FLAGS', 'INTERNALDATE');
$headers = array('DATE', 'FROM', 'TO', 'SUBJECT', 'CONTENT-TYPE', 'CC', 'REPLY-TO',
'LIST-POST', 'DISPOSITION-NOTIFICATION-TO', 'X-PRIORITY');
if (!empty($add_headers)) {
$add_headers = array_map('strtoupper', $add_headers);
$headers = array_unique(array_merge($headers, $add_headers));
}
if ($bodystr) {
$query_items[] = 'BODYSTRUCTURE';
}
$query_items[] = 'BODY.PEEK[HEADER.FIELDS (' . implode(' ', $headers) . ')]';
$result = $this->fetch($mailbox, $message_set, $is_uid, $query_items);
return $result;
}
/**
* Returns message data (flags, headers, etc.)
*
* @param string $mailbox Mailbox name
* @param int $id Message sequence identifier or UID
* @param bool $is_uid True if $id is an UID
* @param bool $bodystr Enable to add BODYSTRUCTURE data to the result
* @param array $add_headers List of additional headers
*
* @return bool|rcube_message_header Message data, False on error
*/
function fetchHeader($mailbox, $id, $is_uid = false, $bodystr = false, $add_headers = array())
{
$a = $this->fetchHeaders($mailbox, $id, $is_uid, $bodystr, $add_headers);
if (is_array($a)) {
return array_shift($a);
}
return false;
}
function sortHeaders($a, $field, $flag)
{
if (empty($field)) {
$field = 'uid';
}
else {
$field = strtolower($field);
}
if ($field == 'date' || $field == 'internaldate') {
$field = 'timestamp';
}
if (empty($flag)) {
$flag = 'ASC';
} else {
$flag = strtoupper($flag);
}
$c = count($a);
if ($c > 0) {
// Strategy:
// First, we'll create an "index" array.
// Then, we'll use sort() on that array,
// and use that to sort the main array.
// create "index" array
$index = array();
reset($a);
while (list($key, $val) = each($a)) {
if ($field == 'timestamp') {
$data = $this->strToTime($val->date);
if (!$data) {
$data = $val->timestamp;
}
} else {
$data = $val->$field;
if (is_string($data)) {
$data = str_replace('"', '', $data);
if ($field == 'subject') {
$data = preg_replace('/^(Re: \s*|Fwd:\s*|Fw:\s*)+/i', '', $data);
}
$data = strtoupper($data);
}
}
$index[$key] = $data;
}
// sort index
if ($flag == 'ASC') {
asort($index);
} else {
arsort($index);
}
// form new array based on index
$result = array();
reset($index);
while (list($key, $val) = each($index)) {
$result[$key] = $a[$key];
}
}
return $result;
}
function fetchMIMEHeaders($mailbox, $uid, $parts, $mime=true)
{
if (!$this->select($mailbox)) {
return false;
}
$result = false;
$parts = (array) $parts;
$key = $this->nextTag();
$peeks = array();
$type = $mime ? 'MIME' : 'HEADER';
// format request
foreach ($parts as $part) {
$peeks[] = "BODY.PEEK[$part.$type]";
}
$request = "$key UID FETCH $uid (" . implode(' ', $peeks) . ')';
// send request
if (!$this->putLine($request)) {
$this->setError(self::ERROR_COMMAND, "Unable to send command: $request");
return false;
}
do {
$line = $this->readLine(1024);
if (preg_match('/^\* [0-9]+ FETCH [0-9UID( ]+BODY\[([0-9\.]+)\.'.$type.'\]/', $line, $matches)) {
$idx = $matches[1];
$headers = '';
// get complete entry
if (preg_match('/\{([0-9]+)\}\r\n$/', $line, $m)) {
$bytes = $m[1];
$out = '';
while (strlen($out) < $bytes) {
$out = $this->readBytes($bytes);
if ($out === null)
break;
$headers .= $out;
}
}
$result[$idx] = trim($headers);
}
} while (!$this->startsWith($line, $key, true));
return $result;
}
function fetchPartHeader($mailbox, $id, $is_uid=false, $part=NULL)
{
$part = empty($part) ? 'HEADER' : $part.'.MIME';
return $this->handlePartBody($mailbox, $id, $is_uid, $part);
}
function handlePartBody($mailbox, $id, $is_uid=false, $part='', $encoding=NULL, $print=NULL, $file=NULL, $formatted=false, $max_bytes=0)
{
if (!$this->select($mailbox)) {
return false;
}
switch ($encoding) {
case 'base64':
$mode = 1;
break;
case 'quoted-printable':
$mode = 2;
break;
case 'x-uuencode':
case 'x-uue':
case 'uue':
case 'uuencode':
$mode = 3;
break;
default:
$mode = 0;
}
// Use BINARY extension when possible (and safe)
$binary = $mode && preg_match('/^[0-9.]+$/', $part) && $this->hasCapability('BINARY');
$fetch_mode = $binary ? 'BINARY' : 'BODY';
$partial = $max_bytes ? sprintf('<0.%d>', $max_bytes) : '';
// format request
$key = $this->nextTag();
$request = $key . ($is_uid ? ' UID' : '') . " FETCH $id ($fetch_mode.PEEK[$part]$partial)";
$result = false;
$found = false;
// send request
if (!$this->putLine($request)) {
$this->setError(self::ERROR_COMMAND, "Unable to send command: $request");
return false;
}
if ($binary) {
// WARNING: Use $formatted argument with care, this may break binary data stream
$mode = -1;
}
do {
$line = trim($this->readLine(1024));
if (!$line) {
break;
}
// skip irrelevant untagged responses (we have a result already)
if ($found || !preg_match('/^\* ([0-9]+) FETCH (.*)$/', $line, $m)) {
continue;
}
$line = $m[2];
// handle one line response
if ($line[0] == '(' && substr($line, -1) == ')') {
// tokenize content inside brackets
// the content can be e.g.: (UID 9844 BODY[2.4] NIL)
$tokens = $this->tokenizeResponse(preg_replace('/(^\(|\)$)/', '', $line));
for ($i=0; $i<count($tokens); $i+=2) {
if (preg_match('/^(BODY|BINARY)/i', $tokens[$i])) {
$result = $tokens[$i+1];
$found = true;
break;
}
}
if ($result !== false) {
if ($mode == 1) {
$result = base64_decode($result);
}
else if ($mode == 2) {
$result = quoted_printable_decode($result);
}
else if ($mode == 3) {
$result = convert_uudecode($result);
}
}
}
// response with string literal
else if (preg_match('/\{([0-9]+)\}$/', $line, $m)) {
$bytes = (int) $m[1];
$prev = '';
$found = true;
// empty body
if (!$bytes) {
$result = '';
}
else while ($bytes > 0) {
$line = $this->readLine(8192);
if ($line === NULL) {
break;
}
$len = strlen($line);
if ($len > $bytes) {
$line = substr($line, 0, $bytes);
$len = strlen($line);
}
$bytes -= $len;
// BASE64
if ($mode == 1) {
$line = rtrim($line, "\t\r\n\0\x0B");
// create chunks with proper length for base64 decoding
$line = $prev.$line;
$length = strlen($line);
if ($length % 4) {
$length = floor($length / 4) * 4;
$prev = substr($line, $length);
$line = substr($line, 0, $length);
}
else {
$prev = '';
}
$line = base64_decode($line);
}
// QUOTED-PRINTABLE
else if ($mode == 2) {
$line = rtrim($line, "\t\r\0\x0B");
$line = quoted_printable_decode($line);
}
// UUENCODE
else if ($mode == 3) {
$line = rtrim($line, "\t\r\n\0\x0B");
if ($line == 'end' || preg_match('/^begin\s+[0-7]+\s+.+$/', $line)) {
continue;
}
$line = convert_uudecode($line);
}
// default
else if ($formatted) {
$line = rtrim($line, "\t\r\n\0\x0B") . "\n";
}
if ($file) {
if (fwrite($file, $line) === false) {
break;
}
}
else if ($print) {
echo $line;
}
else {
$result .= $line;
}
}
}
} while (!$this->startsWith($line, $key, true));
if ($result !== false) {
if ($file) {
return fwrite($file, $result);
}
else if ($print) {
echo $result;
return true;
}
return $result;
}
return false;
}
/**
* Handler for IMAP APPEND command
*
* @param string $mailbox Mailbox name
* @param string|array $message The message source string or array (of strings and file pointers)
* @param array $flags Message flags
* @param string $date Message internal date
* @param bool $binary Enable BINARY append (RFC3516)
*
* @return string|bool On success APPENDUID response (if available) or True, False on failure
*/
function append($mailbox, &$message, $flags = array(), $date = null, $binary = false)
{
unset($this->data['APPENDUID']);
if ($mailbox === null || $mailbox === '') {
return false;
}
$binary = $binary && $this->getCapability('BINARY');
$literal_plus = !$binary && $this->prefs['literal+'];
$len = 0;
$msg = is_array($message) ? $message : array(&$message);
$chunk_size = 512000;
for ($i=0, $cnt=count($msg); $i<$cnt; $i++) {
if (is_resource($msg[$i])) {
$stat = fstat($msg[$i]);
if ($stat === false) {
return false;
}
$len += $stat['size'];
}
else {
if (!$binary) {
$msg[$i] = str_replace("\r", '', $msg[$i]);
$msg[$i] = str_replace("\n", "\r\n", $msg[$i]);
}
$len += strlen($msg[$i]);
}
}
if (!$len) {
return false;
}
// build APPEND command
$key = $this->nextTag();
$request = "$key APPEND " . $this->escape($mailbox) . ' (' . $this->flagsToStr($flags) . ')';
if (!empty($date)) {
$request .= ' ' . $this->escape($date);
}
$request .= ' ' . ($binary ? '~' : '') . '{' . $len . ($literal_plus ? '+' : '') . '}';
// send APPEND command
if ($this->putLine($request)) {
// Do not wait when LITERAL+ is supported
if (!$literal_plus) {
$line = $this->readReply();
if ($line[0] != '+') {
$this->parseResult($line, 'APPEND: ');
return false;
}
}
foreach ($msg as $msg_part) {
// file pointer
if (is_resource($msg_part)) {
rewind($msg_part);
while (!feof($msg_part) && $this->fp) {
$buffer = fread($msg_part, $chunk_size);
$this->putLine($buffer, false);
}
fclose($msg_part);
}
// string
else {
$size = strlen($msg_part);
// Break up the data by sending one chunk (up to 512k) at a time.
// This approach reduces our peak memory usage
for ($offset = 0; $offset < $size; $offset += $chunk_size) {
$chunk = substr($msg_part, $offset, $chunk_size);
if (!$this->putLine($chunk, false)) {
return false;
}
}
}
}
if (!$this->putLine('')) { // \r\n
return false;
}
do {
$line = $this->readLine();
} while (!$this->startsWith($line, $key, true, true));
// Clear internal status cache
unset($this->data['STATUS:'.$mailbox]);
if ($this->parseResult($line, 'APPEND: ') != self::ERROR_OK)
return false;
else if (!empty($this->data['APPENDUID']))
return $this->data['APPENDUID'];
else
return true;
}
else {
$this->setError(self::ERROR_COMMAND, "Unable to send command: $request");
}
return false;
}
/**
* Handler for IMAP APPEND command.
*
* @param string $mailbox Mailbox name
* @param string $path Path to the file with message body
* @param string $headers Message headers
* @param array $flags Message flags
* @param string $date Message internal date
* @param bool $binary Enable BINARY append (RFC3516)
*
* @return string|bool On success APPENDUID response (if available) or True, False on failure
*/
function appendFromFile($mailbox, $path, $headers=null, $flags = array(), $date = null, $binary = false)
{
// open message file
if (file_exists(realpath($path))) {
$fp = fopen($path, 'r');
}
if (!$fp) {
$this->setError(self::ERROR_UNKNOWN, "Couldn't open $path for reading");
return false;
}
$message = array();
if ($headers) {
$message[] = trim($headers, "\r\n") . "\r\n\r\n";
}
$message[] = $fp;
return $this->append($mailbox, $message, $flags, $date, $binary);
}
/**
* Returns QUOTA information
*
+ * @param string $mailbox Mailbox name
+ *
* @return array Quota information
*/
- function getQuota()
- {
- /*
- * GETQUOTAROOT "INBOX"
- * QUOTAROOT INBOX user/rchijiiwa1
- * QUOTA user/rchijiiwa1 (STORAGE 654 9765)
- * OK Completed
- */
- $result = false;
- $quota_lines = array();
- $key = $this->nextTag();
- $command = $key . ' GETQUOTAROOT INBOX';
-
- // get line(s) containing quota info
- if ($this->putLine($command)) {
- do {
- $line = rtrim($this->readLine(5000));
- if (preg_match('/^\* QUOTA /', $line)) {
- $quota_lines[] = $line;
- }
- } while (!$this->startsWith($line, $key, true, true));
- }
- else {
- $this->setError(self::ERROR_COMMAND, "Unable to send command: $command");
+ function getQuota($mailbox = null)
+ {
+ if ($mailbox === null || $mailbox === '') {
+ $mailbox = 'INBOX';
}
- // return false if not found, parse if found
+ // a0001 GETQUOTAROOT INBOX
+ // * QUOTAROOT INBOX user/sample
+ // * QUOTA user/sample (STORAGE 654 9765)
+ // a0001 OK Completed
+
+ list($code, $response) = $this->execute('GETQUOTAROOT', array($this->escape($mailbox)));
+
+ $result = false;
$min_free = PHP_INT_MAX;
- foreach ($quota_lines as $key => $quota_line) {
- $quota_line = str_replace(array('(', ')'), '', $quota_line);
- $parts = explode(' ', $quota_line);
- $storage_part = array_search('STORAGE', $parts);
+ $all = array();
- if (!$storage_part) {
- continue;
- }
+ if ($code == self::ERROR_OK) {
+ foreach (explode("\n", $response) as $line) {
+ if (preg_match('/^\* QUOTA /', $line)) {
+ list(, , $quota_root) = $this->tokenizeResponse($line, 3);
+
+ while ($line) {
+ list($type, $used, $total) = $this->tokenizeResponse($line, 1);
+ $type = strtolower($type);
+
+ if ($type && $total) {
+ $all[$quota_root][$type]['used'] = intval($used);
+ $all[$quota_root][$type]['total'] = intval($total);
+ }
+ }
+
+ if (empty($all[$quota_root]['storage'])) {
+ continue;
+ }
- $used = intval($parts[$storage_part+1]);
- $total = intval($parts[$storage_part+2]);
- $free = $total - $used;
+ $used = $all[$quota_root]['storage']['used'];
+ $total = $all[$quota_root]['storage']['total'];
+ $free = $total - $used;
- // return lowest available space from all quotas
- if ($free < $min_free) {
- $min_free = $free;
- $result['used'] = $used;
- $result['total'] = $total;
- $result['percent'] = min(100, round(($used/max(1,$total))*100));
- $result['free'] = 100 - $result['percent'];
+ // calculate lowest available space from all storage quotas
+ if ($free < $min_free) {
+ $min_free = $free;
+ $result['used'] = $used;
+ $result['total'] = $total;
+ $result['percent'] = min(100, round(($used/max(1,$total))*100));
+ $result['free'] = 100 - $result['percent'];
+ }
+ }
}
}
+ if (!empty($result)) {
+ $result['all'] = $all;
+ }
+
return $result;
}
/**
* Send the SETACL command (RFC4314)
*
* @param string $mailbox Mailbox name
* @param string $user User name
* @param mixed $acl ACL string or array
*
* @return boolean True on success, False on failure
*
* @since 0.5-beta
*/
function setACL($mailbox, $user, $acl)
{
if (is_array($acl)) {
$acl = implode('', $acl);
}
$result = $this->execute('SETACL', array(
$this->escape($mailbox), $this->escape($user), strtolower($acl)),
self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Send the DELETEACL command (RFC4314)
*
* @param string $mailbox Mailbox name
* @param string $user User name
*
* @return boolean True on success, False on failure
*
* @since 0.5-beta
*/
function deleteACL($mailbox, $user)
{
$result = $this->execute('DELETEACL', array(
$this->escape($mailbox), $this->escape($user)),
self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Send the GETACL command (RFC4314)
*
* @param string $mailbox Mailbox name
*
* @return array User-rights array on success, NULL on error
* @since 0.5-beta
*/
function getACL($mailbox)
{
list($code, $response) = $this->execute('GETACL', array($this->escape($mailbox)));
if ($code == self::ERROR_OK && preg_match('/^\* ACL /i', $response)) {
// Parse server response (remove "* ACL ")
$response = substr($response, 6);
$ret = $this->tokenizeResponse($response);
$mbox = array_shift($ret);
$size = count($ret);
// Create user-rights hash array
// @TODO: consider implementing fixACL() method according to RFC4314.2.1.1
// so we could return only standard rights defined in RFC4314,
// excluding 'c' and 'd' defined in RFC2086.
if ($size % 2 == 0) {
for ($i=0; $i<$size; $i++) {
$ret[$ret[$i]] = str_split($ret[++$i]);
unset($ret[$i-1]);
unset($ret[$i]);
}
return $ret;
}
$this->setError(self::ERROR_COMMAND, "Incomplete ACL response");
return NULL;
}
return NULL;
}
/**
* Send the LISTRIGHTS command (RFC4314)
*
* @param string $mailbox Mailbox name
* @param string $user User name
*
* @return array List of user rights
* @since 0.5-beta
*/
function listRights($mailbox, $user)
{
list($code, $response) = $this->execute('LISTRIGHTS', array(
$this->escape($mailbox), $this->escape($user)));
if ($code == self::ERROR_OK && preg_match('/^\* LISTRIGHTS /i', $response)) {
// Parse server response (remove "* LISTRIGHTS ")
$response = substr($response, 13);
$ret_mbox = $this->tokenizeResponse($response, 1);
$ret_user = $this->tokenizeResponse($response, 1);
$granted = $this->tokenizeResponse($response, 1);
$optional = trim($response);
return array(
'granted' => str_split($granted),
'optional' => explode(' ', $optional),
);
}
return NULL;
}
/**
* Send the MYRIGHTS command (RFC4314)
*
* @param string $mailbox Mailbox name
*
* @return array MYRIGHTS response on success, NULL on error
* @since 0.5-beta
*/
function myRights($mailbox)
{
list($code, $response) = $this->execute('MYRIGHTS', array($this->escape($mailbox)));
if ($code == self::ERROR_OK && preg_match('/^\* MYRIGHTS /i', $response)) {
// Parse server response (remove "* MYRIGHTS ")
$response = substr($response, 11);
$ret_mbox = $this->tokenizeResponse($response, 1);
$rights = $this->tokenizeResponse($response, 1);
return str_split($rights);
}
return NULL;
}
/**
* Send the SETMETADATA command (RFC5464)
*
* @param string $mailbox Mailbox name
* @param array $entries Entry-value array (use NULL value as NIL)
*
* @return boolean True on success, False on failure
* @since 0.5-beta
*/
function setMetadata($mailbox, $entries)
{
if (!is_array($entries) || empty($entries)) {
$this->setError(self::ERROR_COMMAND, "Wrong argument for SETMETADATA command");
return false;
}
foreach ($entries as $name => $value) {
$entries[$name] = $this->escape($name) . ' ' . $this->escape($value, true);
}
$entries = implode(' ', $entries);
$result = $this->execute('SETMETADATA', array(
$this->escape($mailbox), '(' . $entries . ')'),
self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Send the SETMETADATA command with NIL values (RFC5464)
*
* @param string $mailbox Mailbox name
* @param array $entries Entry names array
*
* @return boolean True on success, False on failure
*
* @since 0.5-beta
*/
function deleteMetadata($mailbox, $entries)
{
if (!is_array($entries) && !empty($entries)) {
$entries = explode(' ', $entries);
}
if (empty($entries)) {
$this->setError(self::ERROR_COMMAND, "Wrong argument for SETMETADATA command");
return false;
}
foreach ($entries as $entry) {
$data[$entry] = NULL;
}
return $this->setMetadata($mailbox, $data);
}
/**
* Send the GETMETADATA command (RFC5464)
*
* @param string $mailbox Mailbox name
* @param array $entries Entries
* @param array $options Command options (with MAXSIZE and DEPTH keys)
*
* @return array GETMETADATA result on success, NULL on error
*
* @since 0.5-beta
*/
function getMetadata($mailbox, $entries, $options=array())
{
if (!is_array($entries)) {
$entries = array($entries);
}
// create entries string
foreach ($entries as $idx => $name) {
$entries[$idx] = $this->escape($name);
}
$optlist = '';
$entlist = '(' . implode(' ', $entries) . ')';
// create options string
if (is_array($options)) {
$options = array_change_key_case($options, CASE_UPPER);
$opts = array();
if (!empty($options['MAXSIZE'])) {
$opts[] = 'MAXSIZE '.intval($options['MAXSIZE']);
}
if (!empty($options['DEPTH'])) {
$opts[] = 'DEPTH '.intval($options['DEPTH']);
}
if ($opts) {
$optlist = '(' . implode(' ', $opts) . ')';
}
}
$optlist .= ($optlist ? ' ' : '') . $entlist;
list($code, $response) = $this->execute('GETMETADATA', array(
$this->escape($mailbox), $optlist));
if ($code == self::ERROR_OK) {
$result = array();
$data = $this->tokenizeResponse($response);
// The METADATA response can contain multiple entries in a single
// response or multiple responses for each entry or group of entries
if (!empty($data) && ($size = count($data))) {
for ($i=0; $i<$size; $i++) {
if (isset($mbox) && is_array($data[$i])) {
$size_sub = count($data[$i]);
for ($x=0; $x<$size_sub; $x++) {
if ($data[$i][$x+1] !== null)
$result[$mbox][$data[$i][$x]] = $data[$i][++$x];
}
unset($data[$i]);
}
else if ($data[$i] == '*') {
if ($data[$i+1] == 'METADATA') {
$mbox = $data[$i+2];
unset($data[$i]); // "*"
unset($data[++$i]); // "METADATA"
unset($data[++$i]); // Mailbox
}
// get rid of other untagged responses
else {
unset($mbox);
unset($data[$i]);
}
}
else if (isset($mbox)) {
if ($data[$i+1] !== null)
$result[$mbox][$data[$i]] = $data[++$i];
unset($data[$i]);
unset($data[$i-1]);
}
else {
unset($data[$i]);
}
}
}
return $result;
}
return NULL;
}
/**
* Send the SETANNOTATION command (draft-daboo-imap-annotatemore)
*
* @param string $mailbox Mailbox name
* @param array $data Data array where each item is an array with
* three elements: entry name, attribute name, value
*
* @return boolean True on success, False on failure
* @since 0.5-beta
*/
function setAnnotation($mailbox, $data)
{
if (!is_array($data) || empty($data)) {
$this->setError(self::ERROR_COMMAND, "Wrong argument for SETANNOTATION command");
return false;
}
foreach ($data as $entry) {
// Workaround cyrus-murder bug, the entry[2] string needs to be escaped
if (self::$mupdate) {
$entry[2] = addcslashes($entry[2], '\\"');
}
// ANNOTATEMORE drafts before version 08 require quoted parameters
$entries[] = sprintf('%s (%s %s)', $this->escape($entry[0], true),
$this->escape($entry[1], true), $this->escape($entry[2], true));
}
$entries = implode(' ', $entries);
$result = $this->execute('SETANNOTATION', array(
$this->escape($mailbox), $entries), self::COMMAND_NORESPONSE);
return ($result == self::ERROR_OK);
}
/**
* Send the SETANNOTATION command with NIL values (draft-daboo-imap-annotatemore)
*
* @param string $mailbox Mailbox name
* @param array $data Data array where each item is an array with
* two elements: entry name and attribute name
*
* @return boolean True on success, False on failure
*
* @since 0.5-beta
*/
function deleteAnnotation($mailbox, $data)
{
if (!is_array($data) || empty($data)) {
$this->setError(self::ERROR_COMMAND, "Wrong argument for SETANNOTATION command");
return false;
}
return $this->setAnnotation($mailbox, $data);
}
/**
* Send the GETANNOTATION command (draft-daboo-imap-annotatemore)
*
* @param string $mailbox Mailbox name
* @param array $entries Entries names
* @param array $attribs Attribs names
*
* @return array Annotations result on success, NULL on error
*
* @since 0.5-beta
*/
function getAnnotation($mailbox, $entries, $attribs)
{
if (!is_array($entries)) {
$entries = array($entries);
}
// create entries string
// ANNOTATEMORE drafts before version 08 require quoted parameters
foreach ($entries as $idx => $name) {
$entries[$idx] = $this->escape($name, true);
}
$entries = '(' . implode(' ', $entries) . ')';
if (!is_array($attribs)) {
$attribs = array($attribs);
}
// create entries string
foreach ($attribs as $idx => $name) {
$attribs[$idx] = $this->escape($name, true);
}
$attribs = '(' . implode(' ', $attribs) . ')';
list($code, $response) = $this->execute('GETANNOTATION', array(
$this->escape($mailbox), $entries, $attribs));
if ($code == self::ERROR_OK) {
$result = array();
$data = $this->tokenizeResponse($response);
// Here we returns only data compatible with METADATA result format
if (!empty($data) && ($size = count($data))) {
for ($i=0; $i<$size; $i++) {
$entry = $data[$i];
if (isset($mbox) && is_array($entry)) {
$attribs = $entry;
$entry = $last_entry;
}
else if ($entry == '*') {
if ($data[$i+1] == 'ANNOTATION') {
$mbox = $data[$i+2];
unset($data[$i]); // "*"
unset($data[++$i]); // "ANNOTATION"
unset($data[++$i]); // Mailbox
}
// get rid of other untagged responses
else {
unset($mbox);
unset($data[$i]);
}
continue;
}
else if (isset($mbox)) {
$attribs = $data[++$i];
}
else {
unset($data[$i]);
continue;
}
if (!empty($attribs)) {
for ($x=0, $len=count($attribs); $x<$len;) {
$attr = $attribs[$x++];
$value = $attribs[$x++];
if ($attr == 'value.priv' && $value !== null) {
$result[$mbox]['/private' . $entry] = $value;
}
else if ($attr == 'value.shared' && $value !== null) {
$result[$mbox]['/shared' . $entry] = $value;
}
}
}
$last_entry = $entry;
unset($data[$i]);
}
}
return $result;
}
return NULL;
}
/**
* Returns BODYSTRUCTURE for the specified message.
*
* @param string $mailbox Folder name
* @param int $id Message sequence number or UID
* @param bool $is_uid True if $id is an UID
*
* @return array/bool Body structure array or False on error.
* @since 0.6
*/
function getStructure($mailbox, $id, $is_uid = false)
{
$result = $this->fetch($mailbox, $id, $is_uid, array('BODYSTRUCTURE'));
if (is_array($result)) {
$result = array_shift($result);
return $result->bodystructure;
}
return false;
}
/**
* Returns data of a message part according to specified structure.
*
* @param array $structure Message structure (getStructure() result)
* @param string $part Message part identifier
*
* @return array Part data as hash array (type, encoding, charset, size)
*/
static function getStructurePartData($structure, $part)
{
$part_a = self::getStructurePartArray($structure, $part);
$data = array();
if (empty($part_a)) {
return $data;
}
// content-type
if (is_array($part_a[0])) {
$data['type'] = 'multipart';
}
else {
$data['type'] = strtolower($part_a[0]);
// encoding
$data['encoding'] = strtolower($part_a[5]);
// charset
if (is_array($part_a[2])) {
while (list($key, $val) = each($part_a[2])) {
if (strcasecmp($val, 'charset') == 0) {
$data['charset'] = $part_a[2][$key+1];
break;
}
}
}
}
// size
$data['size'] = intval($part_a[6]);
return $data;
}
static function getStructurePartArray($a, $part)
{
if (!is_array($a)) {
return false;
}
if (empty($part)) {
return $a;
}
$ctype = is_string($a[0]) && is_string($a[1]) ? $a[0] . '/' . $a[1] : '';
if (strcasecmp($ctype, 'message/rfc822') == 0) {
$a = $a[8];
}
if (strpos($part, '.') > 0) {
$orig_part = $part;
$pos = strpos($part, '.');
$rest = substr($orig_part, $pos+1);
$part = substr($orig_part, 0, $pos);
return self::getStructurePartArray($a[$part-1], $rest);
}
else if ($part > 0) {
return (is_array($a[$part-1])) ? $a[$part-1] : $a;
}
}
/**
* Creates next command identifier (tag)
*
* @return string Command identifier
* @since 0.5-beta
*/
function nextTag()
{
$this->cmd_num++;
$this->cmd_tag = sprintf('A%04d', $this->cmd_num);
return $this->cmd_tag;
}
/**
* Sends IMAP command and parses result
*
* @param string $command IMAP command
* @param array $arguments Command arguments
* @param int $options Execution options
*
* @return mixed Response code or list of response code and data
* @since 0.5-beta
*/
function execute($command, $arguments=array(), $options=0)
{
$tag = $this->nextTag();
$query = $tag . ' ' . $command;
$noresp = ($options & self::COMMAND_NORESPONSE);
$response = $noresp ? null : '';
if (!empty($arguments)) {
foreach ($arguments as $arg) {
$query .= ' ' . self::r_implode($arg);
}
}
// Send command
if (!$this->putLineC($query, true, ($options & self::COMMAND_ANONYMIZED))) {
$this->setError(self::ERROR_COMMAND, "Unable to send command: $query");
return $noresp ? self::ERROR_COMMAND : array(self::ERROR_COMMAND, '');
}
// Parse response
do {
$line = $this->readLine(4096);
if ($response !== null) {
$response .= $line;
}
} while (!$this->startsWith($line, $tag . ' ', true, true));
$code = $this->parseResult($line, $command . ': ');
// Remove last line from response
if ($response) {
$line_len = min(strlen($response), strlen($line) + 2);
$response = substr($response, 0, -$line_len);
}
// optional CAPABILITY response
if (($options & self::COMMAND_CAPABILITY) && $code == self::ERROR_OK
&& preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches)
) {
$this->parseCapability($matches[1], true);
}
// return last line only (without command tag, result and response code)
if ($line && ($options & self::COMMAND_LASTLINE)) {
$response = preg_replace("/^$tag (OK|NO|BAD|BYE|PREAUTH)?\s*(\[[a-z-]+\])?\s*/i", '', trim($line));
}
return $noresp ? $code : array($code, $response);
}
/**
* Splits IMAP response into string tokens
*
* @param string &$str The IMAP's server response
* @param int $num Number of tokens to return
*
* @return mixed Tokens array or string if $num=1
* @since 0.5-beta
*/
static function tokenizeResponse(&$str, $num=0)
{
$result = array();
while (!$num || count($result) < $num) {
// remove spaces from the beginning of the string
$str = ltrim($str);
switch ($str[0]) {
// String literal
case '{':
if (($epos = strpos($str, "}\r\n", 1)) == false) {
// error
}
if (!is_numeric(($bytes = substr($str, 1, $epos - 1)))) {
// error
}
$result[] = $bytes ? substr($str, $epos + 3, $bytes) : '';
// Advance the string
$str = substr($str, $epos + 3 + $bytes);
break;
// Quoted string
case '"':
$len = strlen($str);
for ($pos=1; $pos<$len; $pos++) {
if ($str[$pos] == '"') {
break;
}
if ($str[$pos] == "\\") {
if ($str[$pos + 1] == '"' || $str[$pos + 1] == "\\") {
$pos++;
}
}
}
if ($str[$pos] != '"') {
// error
}
// we need to strip slashes for a quoted string
$result[] = stripslashes(substr($str, 1, $pos - 1));
$str = substr($str, $pos + 1);
break;
// Parenthesized list
case '(':
$str = substr($str, 1);
$result[] = self::tokenizeResponse($str);
break;
case ')':
$str = substr($str, 1);
return $result;
break;
// String atom, number, astring, NIL, *, %
default:
// empty string
if ($str === '' || $str === null) {
break 2;
}
// excluded chars: SP, CTL, ), DEL
// we do not exclude [ and ] (#1489223)
if (preg_match('/^([^\x00-\x20\x29\x7F]+)/', $str, $m)) {
$result[] = $m[1] == 'NIL' ? NULL : $m[1];
$str = substr($str, strlen($m[1]));
}
break;
}
}
return $num == 1 ? $result[0] : $result;
}
static function r_implode($element)
{
$string = '';
if (is_array($element)) {
reset($element);
foreach ($element as $value) {
$string .= ' ' . self::r_implode($value);
}
}
else {
return $element;
}
return '(' . trim($string) . ')';
}
/**
* Converts message identifiers array into sequence-set syntax
*
* @param array $messages Message identifiers
* @param bool $force Forces compression of any size
*
* @return string Compressed sequence-set
*/
static function compressMessageSet($messages, $force=false)
{
// given a comma delimited list of independent mid's,
// compresses by grouping sequences together
if (!is_array($messages)) {
// if less than 255 bytes long, let's not bother
if (!$force && strlen($messages)<255) {
return $messages;
}
// see if it's already been compressed
if (strpos($messages, ':') !== false) {
return $messages;
}
// separate, then sort
$messages = explode(',', $messages);
}
sort($messages);
$result = array();
$start = $prev = $messages[0];
foreach ($messages as $id) {
$incr = $id - $prev;
if ($incr > 1) { // found a gap
if ($start == $prev) {
$result[] = $prev; // push single id
} else {
$result[] = $start . ':' . $prev; // push sequence as start_id:end_id
}
$start = $id; // start of new sequence
}
$prev = $id;
}
// handle the last sequence/id
if ($start == $prev) {
$result[] = $prev;
} else {
$result[] = $start.':'.$prev;
}
// return as comma separated string
return implode(',', $result);
}
/**
* Converts message sequence-set into array
*
* @param string $messages Message identifiers
*
* @return array List of message identifiers
*/
static function uncompressMessageSet($messages)
{
if (empty($messages)) {
return array();
}
$result = array();
$messages = explode(',', $messages);
foreach ($messages as $idx => $part) {
$items = explode(':', $part);
$max = max($items[0], $items[1]);
for ($x=$items[0]; $x<=$max; $x++) {
$result[] = (int)$x;
}
unset($messages[$idx]);
}
return $result;
}
protected function _xor($string, $string2)
{
$result = '';
$size = strlen($string);
for ($i=0; $i<$size; $i++) {
$result .= chr(ord($string[$i]) ^ ord($string2[$i]));
}
return $result;
}
/**
* Converts flags array into string for inclusion in IMAP command
*
* @param array $flags Flags (see self::flags)
*
* @return string Space-separated list of flags
*/
protected function flagsToStr($flags)
{
foreach ((array)$flags as $idx => $flag) {
if ($flag = $this->flags[strtoupper($flag)]) {
$flags[$idx] = $flag;
}
}
return implode(' ', (array)$flags);
}
/**
* Converts datetime string into unix timestamp
*
* @param string $date Date string
*
* @return int Unix timestamp
*/
static function strToTime($date)
{
// Clean malformed data
$date = preg_replace(
array(
'/GMT\s*([+-][0-9]+)/', // support non-standard "GMTXXXX" literal
'/[^a-z0-9\x20\x09:+-]/i', // remove any invalid characters
'/\s*(Mon|Tue|Wed|Thu|Fri|Sat|Sun)\s*/i', // remove weekday names
),
array(
'\\1',
'',
'',
), $date);
$date = trim($date);
// if date parsing fails, we have a date in non-rfc format
// remove token from the end and try again
while (($ts = intval(@strtotime($date))) <= 0) {
$d = explode(' ', $date);
array_pop($d);
if (empty($d)) {
break;
}
$date = implode(' ', $d);
}
return $ts < 0 ? 0 : $ts;
}
/**
* CAPABILITY response parser
*/
protected function parseCapability($str, $trusted=false)
{
$str = preg_replace('/^\* CAPABILITY /i', '', $str);
$this->capability = explode(' ', strtoupper($str));
if (!empty($this->prefs['disabled_caps'])) {
$this->capability = array_diff($this->capability, $this->prefs['disabled_caps']);
}
if (!isset($this->prefs['literal+']) && in_array('LITERAL+', $this->capability)) {
$this->prefs['literal+'] = true;
}
if (preg_match('/(\[| )MUPDATE=.*/', $str)) {
self::$mupdate = true;
}
if ($trusted) {
$this->capability_readed = true;
}
}
/**
* Escapes a string when it contains special characters (RFC3501)
*
* @param string $string IMAP string
* @param boolean $force_quotes Forces string quoting (for atoms)
*
* @return string String atom, quoted-string or string literal
* @todo lists
*/
static function escape($string, $force_quotes=false)
{
if ($string === null) {
return 'NIL';
}
if ($string === '') {
return '""';
}
// atom-string (only safe characters)
if (!$force_quotes && !preg_match('/[\x00-\x20\x22\x25\x28-\x2A\x5B-\x5D\x7B\x7D\x80-\xFF]/', $string)) {
return $string;
}
// quoted-string
if (!preg_match('/[\r\n\x00\x80-\xFF]/', $string)) {
return '"' . addcslashes($string, '\\"') . '"';
}
// literal-string
return sprintf("{%d}\r\n%s", strlen($string), $string);
}
/**
* Set the value of the debugging flag.
*
* @param boolean $debug New value for the debugging flag.
* @param callback $handler Logging handler function
*
* @since 0.5-stable
*/
function setDebug($debug, $handler = null)
{
$this->_debug = $debug;
$this->_debug_handler = $handler;
}
/**
* Write the given debug text to the current debug output handler.
*
* @param string $message Debug mesage text.
*
* @since 0.5-stable
*/
protected function debug($message)
{
if (($len = strlen($message)) > self::DEBUG_LINE_LENGTH) {
$diff = $len - self::DEBUG_LINE_LENGTH;
$message = substr($message, 0, self::DEBUG_LINE_LENGTH)
. "... [truncated $diff bytes]";
}
if ($this->resourceid) {
$message = sprintf('[%s] %s', $this->resourceid, $message);
}
if ($this->_debug_handler) {
call_user_func_array($this->_debug_handler, array(&$this, $message));
} else {
echo "DEBUG: $message\n";
}
}
}
diff --git a/program/lib/Roundcube/rcube_storage.php b/program/lib/Roundcube/rcube_storage.php
index c1293961c..ccb28c680 100644
--- a/program/lib/Roundcube/rcube_storage.php
+++ b/program/lib/Roundcube/rcube_storage.php
@@ -1,1050 +1,1052 @@
<?php
/*
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2005-2012, The Roundcube Dev Team |
| Copyright (C) 2012, Kolab Systems AG |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Mail Storage Engine |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
| Author: Aleksander Machniak <alec@alec.pl> |
+-----------------------------------------------------------------------+
*/
/**
* Abstract class for accessing mail messages storage server
*
* @package Framework
* @subpackage Storage
* @author Thomas Bruederli <roundcube@gmail.com>
* @author Aleksander Machniak <alec@alec.pl>
*/
abstract class rcube_storage
{
/**
* Instance of connection object e.g. rcube_imap_generic
*
* @var mixed
*/
public $conn;
/**
* List of supported special folder types
*
* @var array
*/
public static $folder_types = array('drafts', 'sent', 'junk', 'trash');
protected $folder = 'INBOX';
protected $default_charset = 'ISO-8859-1';
protected $search_set;
protected $options = array('auth_type' => 'check');
protected $page_size = 10;
protected $threading = false;
/**
* All (additional) headers used (in any way) by Roundcube
* Not listed here: DATE, FROM, TO, CC, REPLY-TO, SUBJECT, CONTENT-TYPE, LIST-POST
* (used for messages listing) are hardcoded in rcube_imap_generic::fetchHeaders()
*
* @var array
*/
protected $all_headers = array(
'IN-REPLY-TO',
'BCC',
'SENDER',
'MESSAGE-ID',
'CONTENT-TRANSFER-ENCODING',
'REFERENCES',
'X-DRAFT-INFO',
'MAIL-FOLLOWUP-TO',
'MAIL-REPLY-TO',
'RETURN-PATH',
);
const UNKNOWN = 0;
const NOPERM = 1;
const READONLY = 2;
const TRYCREATE = 3;
const INUSE = 4;
const OVERQUOTA = 5;
const ALREADYEXISTS = 6;
const NONEXISTENT = 7;
const CONTACTADMIN = 8;
/**
* Connect to the server
*
* @param string $host Host to connect
* @param string $user Username for IMAP account
* @param string $pass Password for IMAP account
* @param integer $port Port to connect to
* @param string $use_ssl SSL schema (either ssl or tls) or null if plain connection
*
* @return boolean TRUE on success, FALSE on failure
*/
abstract function connect($host, $user, $pass, $port = 143, $use_ssl = null);
/**
* Close connection. Usually done on script shutdown
*/
abstract function close();
/**
* Checks connection state.
*
* @return boolean TRUE on success, FALSE on failure
*/
abstract function is_connected();
/**
* Check connection state, connect if not connected.
*
* @return bool Connection state.
*/
abstract function check_connection();
/**
* Returns code of last error
*
* @return int Error code
*/
abstract function get_error_code();
/**
* Returns message of last error
*
* @return string Error message
*/
abstract function get_error_str();
/**
* Returns code of last command response
*
* @return int Response code (class constant)
*/
abstract function get_response_code();
/**
* Set connection and class options
*
* @param array $opt Options array
*/
public function set_options($opt)
{
$this->options = array_merge($this->options, (array)$opt);
}
/**
* Get connection/class option
*
* @param string $name Option name
*
* @param mixed Option value
*/
public function get_option($name)
{
return $this->options[$name];
}
/**
* Activate/deactivate debug mode.
*
* @param boolean $dbg True if conversation with the server should be logged
*/
abstract function set_debug($dbg = true);
/**
* Set default message charset.
*
* This will be used for message decoding if a charset specification is not available
*
* @param string $cs Charset string
*/
public function set_charset($cs)
{
$this->default_charset = $cs;
}
/**
* Set internal folder reference.
* All operations will be perfomed on this folder.
*
* @param string $folder Folder name
*/
public function set_folder($folder)
{
if ($this->folder === $folder) {
return;
}
$this->folder = $folder;
}
/**
* Returns the currently used folder name
*
* @return string Name of the folder
*/
public function get_folder()
{
return $this->folder;
}
/**
* Set internal list page number.
*
* @param int $page Page number to list
*/
public function set_page($page)
{
$this->list_page = (int) $page;
}
/**
* Gets internal list page number.
*
* @return int Page number
*/
public function get_page()
{
return $this->list_page;
}
/**
* Set internal page size
*
* @param int $size Number of messages to display on one page
*/
public function set_pagesize($size)
{
$this->page_size = (int) $size;
}
/**
* Get internal page size
*
* @return int Number of messages to display on one page
*/
public function get_pagesize()
{
return $this->page_size;
}
/**
* Save a search result for future message listing methods.
*
* @param mixed $set Search set in driver specific format
*/
abstract function set_search_set($set);
/**
* Return the saved search set.
*
* @return array Search set in driver specific format, NULL if search wasn't initialized
*/
abstract function get_search_set();
/**
* Returns the storage server's (IMAP) capability
*
* @param string $cap Capability name
*
* @return mixed Capability value or TRUE if supported, FALSE if not
*/
abstract function get_capability($cap);
/**
* Sets threading flag to the best supported THREAD algorithm.
* Enable/Disable threaded mode.
*
* @param boolean $enable TRUE to enable and FALSE
*
* @return mixed Threading algorithm or False if THREAD is not supported
*/
public function set_threading($enable = false)
{
$this->threading = false;
if ($enable && ($caps = $this->get_capability('THREAD'))) {
$methods = array('REFS', 'REFERENCES', 'ORDEREDSUBJECT');
$methods = array_intersect($methods, $caps);
$this->threading = array_shift($methods);
}
return $this->threading;
}
/**
* Get current threading flag.
*
* @return mixed Threading algorithm or False if THREAD is not supported or disabled
*/
public function get_threading()
{
return $this->threading;
}
/**
* Checks the PERMANENTFLAGS capability of the current folder
* and returns true if the given flag is supported by the server.
*
* @param string $flag Permanentflag name
*
* @return boolean True if this flag is supported
*/
abstract function check_permflag($flag);
/**
* Returns the delimiter that is used by the server
* for folder hierarchy separation.
*
* @return string Delimiter string
*/
abstract function get_hierarchy_delimiter();
/**
* Get namespace
*
* @param string $name Namespace array index: personal, other, shared, prefix
*
* @return array Namespace data
*/
abstract function get_namespace($name = null);
/**
* Get messages 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 $status Enables storing folder status info (max UID/count),
* required for folder_status()
*
* @return int Number of messages
*/
abstract function count($folder = null, $mode = 'ALL', $force = false, $status = true);
/**
* Public method for listing message flags
*
* @param string $folder Folder name
* @param array $uids Message UIDs
* @param int $mod_seq Optional MODSEQ value
*
* @return array Indexed array with message flags
*/
abstract function list_flags($folder, $uids, $mod_seq = null);
/**
* 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 $slice Number of slice items to extract from result array
*
* @return array Indexed array with message header objects
*/
abstract function list_messages($folder = null, $page = null, $sort_field = null, $sort_order = null, $slice = 0);
/**
* Return sorted list of message UIDs
*
* @param string $folder Folder to get index from
* @param string $sort_field Sort column
* @param string $sort_order Sort order [ASC, DESC]
*
* @return rcube_result_index|rcube_result_thread List of messages (UIDs)
*/
abstract function index($folder = null, $sort_field = null, $sort_order = null);
/**
* Invoke search request to the server.
*
* @param string $folder Folder name to search in
* @param string $str Search criteria
* @param string $charset Search charset
* @param string $sort_field Header field to sort by
*
* @todo: Search criteria should be provided in non-IMAP format, eg. array
*/
abstract function search($folder = null, $str = 'ALL', $charset = null, $sort_field = null);
/**
* Direct (real and simple) search request (without result sorting and caching).
*
* @param string $folder Folder name to search in
* @param string $str Search string
*
* @return rcube_result_index Search result (UIDs)
*/
abstract function search_once($folder = null, $str = 'ALL');
/**
* Refresh saved search set
*
* @return array Current search set
*/
abstract function refresh_search();
/* --------------------------------
* messages management
* --------------------------------*/
/**
* Fetch message headers and body structure from the server and build
* an object structure similar to the one generated by PEAR::Mail_mimeDecode
*
* @param int $uid Message UID to fetch
* @param string $folder Folder to read from
*
* @return object rcube_message_header Message data
*/
abstract function get_message($uid, $folder = null);
/**
* Return message headers object of a specific message
*
* @param int $id Message sequence ID or UID
* @param string $folder Folder to read from
* @param bool $force True to skip cache
*
* @return rcube_message_header Message headers
*/
abstract function get_message_headers($uid, $folder = null, $force = false);
/**
* Fetch message body of a specific message from the server
*
* @param int $uid Message UID
* @param string $part Part number
* @param rcube_message_part $o_part Part object created by get_structure()
* @param mixed $print True to print part, ressource to write part contents in
* @param resource $fp File pointer to save the message part
* @param boolean $skip_charset_conv Disables charset conversion
*
* @return string Message/part body if not printed
*/
abstract function get_message_part($uid, $part = 1, $o_part = null, $print = null, $fp = null, $skip_charset_conv = false);
/**
* Fetch message body of a specific message from the server
*
* @param int $uid Message UID
*
* @return string $part Message/part body
* @see rcube_imap::get_message_part()
*/
public function get_body($uid, $part = 1)
{
$headers = $this->get_message_headers($uid);
return rcube_charset::convert($this->get_message_part($uid, $part, null),
$headers->charset ? $headers->charset : $this->default_charset);
}
/**
* Returns the whole message source as string (or saves to a file)
*
* @param int $uid Message UID
* @param resource $fp File pointer to save the message
*
* @return string Message source string
*/
abstract function get_raw_body($uid, $fp = null);
/**
* Returns the message headers as string
*
* @param int $uid Message UID
*
* @return string Message headers string
*/
abstract function get_raw_headers($uid);
/**
* Sends the whole message source to stdout
*
* @param int $uid Message UID
* @param bool $formatted Enables line-ending formatting
*/
abstract function print_raw_body($uid, $formatted = true);
/**
* Set message flag to one or several messages
*
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
* @param string $flag Flag to set: SEEN, UNDELETED, DELETED, RECENT, ANSWERED, DRAFT, MDNSENT
* @param string $folder Folder name
* @param boolean $skip_cache True to skip message cache clean up
*
* @return bool Operation status
*/
abstract function set_flag($uids, $flag, $folder = null, $skip_cache = false);
/**
* Remove message flag for one or several messages
*
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
* @param string $flag Flag to unset: SEEN, DELETED, RECENT, ANSWERED, DRAFT, MDNSENT
* @param string $folder Folder name
*
* @return bool Operation status
* @see set_flag
*/
public function unset_flag($uids, $flag, $folder = null)
{
return $this->set_flag($uids, 'UN'.$flag, $folder);
}
/**
* 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 $date Message internal date
*
* @return int|bool Appended message UID or True on success, False on error
*/
abstract function save_message($folder, &$message, $headers = '', $is_file = false, $flags = array(), $date = null);
/**
* Move message(s) from one folder to another.
*
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
* @param string $to Target folder
* @param string $from Source folder
*
* @return boolean True on success, False on error
*/
abstract function move_message($uids, $to, $from = null);
/**
* Copy message(s) from one mailbox to another.
*
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
* @param string $to Target folder
* @param string $from Source folder
*
* @return boolean True on success, False on error
*/
abstract function copy_message($uids, $to, $from = null);
/**
* Mark message(s) as deleted and expunge.
*
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
* @param string $folder Source folder
*
* @return boolean True on success, False on error
*/
abstract function delete_message($uids, $folder = null);
/**
* Expunge message(s) and clear the cache.
*
* @param mixed $uids Message UIDs as array or comma-separated string, or '*'
* @param string $folder Folder name
* @param boolean $clear_cache False if cache should not be cleared
*
* @return boolean True on success, False on error
*/
abstract function expunge_message($uids, $folder = null, $clear_cache = true);
/**
* Parse message UIDs input
*
* @param mixed $uids UIDs array or comma-separated list or '*' or '1:*'
*
* @return array Two elements array with UIDs converted to list and ALL flag
*/
protected function parse_uids($uids)
{
if ($uids === '*' || $uids === '1:*') {
if (empty($this->search_set)) {
$uids = '1:*';
$all = true;
}
// get UIDs from current search set
else {
$uids = join(',', $this->search_set->get());
}
}
else {
if (is_array($uids)) {
$uids = join(',', $uids);
}
else if (strpos($uids, ':')) {
$uids = join(',', rcube_imap_generic::uncompressMessageSet($uids));
}
if (preg_match('/[^0-9,]/', $uids)) {
$uids = '';
}
}
return array($uids, (bool) $all);
}
/* --------------------------------
* folder managment
* --------------------------------*/
/**
* Get a list of 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 $skip_sort Enable to return unsorted list (for better performance)
*
* @return array List of folders
*/
abstract function list_folders_subscribed($root = '', $name = '*', $filter = null, $rights = null, $skip_sort = false);
/**
* 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 $skip_sort Enable to return unsorted list (for better performance)
*
* @return array Indexed array with folder names
*/
abstract function list_folders($root = '', $name = '*', $filter = null, $rights = null, $skip_sort = false);
/**
* Subscribe to a specific folder(s)
*
* @param array $folders Folder name(s)
*
* @return boolean True on success
*/
abstract function subscribe($folders);
/**
* Unsubscribe folder(s)
*
* @param array $folders Folder name(s)
*
* @return boolean True on success
*/
abstract function unsubscribe($folders);
/**
* Create a new folder on the server.
*
* @param string $folder New folder name
* @param boolean $subscribe True if the newvfolder should be subscribed
*
* @return boolean True on success, False on error
*/
abstract function create_folder($folder, $subscribe = false);
/**
* Set a new name to an existing folder
*
* @param string $folder Folder to rename
* @param string $new_name New folder name
*
* @return boolean True on success, False on error
*/
abstract function rename_folder($folder, $new_name);
/**
* Remove a folder from the server.
*
* @param string $folder Folder name
*
* @return boolean True on success, False on error
*/
abstract function delete_folder($folder);
/**
* Send expunge command and clear the cache.
*
* @param string $folder Folder name
* @param boolean $clear_cache False if cache should not be cleared
*
* @return boolean True on success, False on error
*/
public function expunge_folder($folder = null, $clear_cache = true)
{
return $this->expunge_message('*', $folder, $clear_cache);
}
/**
* Remove all messages in a folder..
*
* @param string $folder Folder name
*
* @return boolean True on success, False on error
*/
public function clear_folder($folder = null)
{
return $this->delete_message('*', $folder);
}
/**
* Checks if folder exists and is subscribed
*
* @param string $folder Folder name
* @param boolean $subscription Enable subscription checking
*
* @return boolean True if folder exists, False otherwise
*/
abstract function folder_exists($folder, $subscription = false);
/**
* Get folder size (size of all messages in a folder)
*
* @param string $folder Folder name
*
* @return int Folder size in bytes, False on error
*/
abstract function folder_size($folder);
/**
* Returns the namespace where the folder is in
*
* @param string $folder Folder name
*
* @return string One of 'personal', 'other' or 'shared'
*/
abstract function folder_namespace($folder);
/**
* Gets folder attributes (from LIST response, e.g. \Noselect, \Noinferiors).
*
* @param string $folder Folder name
* @param bool $force Set to True if attributes should be refreshed
*
* @return array Options list
*/
abstract function folder_attributes($folder, $force = false);
/**
* Gets connection (and current folder) data: UIDVALIDITY, EXISTS, RECENT,
* PERMANENTFLAGS, UIDNEXT, UNSEEN
*
* @param string $folder Folder name
*
* @return array Data
*/
abstract function folder_data($folder);
/**
* Returns extended information about the folder.
*
* @param string $folder Folder name
*
* @return array Data
*/
abstract function folder_info($folder);
/**
* Returns current status of a folder (compared to the last time use)
*
* @param string $folder Folder name
* @param array $diff Difference data
*
* @return int Folder status
*/
abstract function folder_status($folder = null, &$diff = array());
/**
* Synchronizes messages cache.
*
* @param string $folder Folder name
*/
abstract function folder_sync($folder);
/**
* 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 $mode Mode name (out/in)
*
* @return string Folder name
*/
abstract function mod_folder($folder, $mode = 'out');
/**
* Create all folders specified as default
*/
public function create_default_folders()
{
$rcube = rcube::get_instance();
// create default folders if they do not exist
foreach (self::$folder_types as $type) {
if ($folder = $rcube->config->get($type . '_mbox')) {
if (!$this->folder_exists($folder)) {
$this->create_folder($folder, true, $type);
}
else if (!$this->folder_exists($folder, true)) {
$this->subscribe($folder);
}
}
}
}
/**
* Check if specified folder is a special folder
*/
public function is_special_folder($name)
{
return $name == 'INBOX' || in_array($name, $this->get_special_folders());
}
/**
* Return configured special folders
*/
public function get_special_folders($forced = false)
{
// getting config might be expensive, store special folders in memory
if (!isset($this->icache['special-folders'])) {
$rcube = rcube::get_instance();
$this->icache['special-folders'] = array();
foreach (self::$folder_types as $type) {
if ($folder = $rcube->config->get($type . '_mbox')) {
$this->icache['special-folders'][$type] = $folder;
}
}
}
return $this->icache['special-folders'];
}
/**
* Set special folder associations stored in backend
*/
public function set_special_folders($specials)
{
// should be overriden by storage class if backend supports special folders (SPECIAL-USE)
unset($this->icache['special-folders']);
}
/**
* Get mailbox quota information.
*
+ * @param string $folder Folder name
+ *
* @return mixed Quota info or False if not supported
*/
- abstract function get_quota();
+ abstract function get_quota($folder = null);
/* -----------------------------------------
* ACL and METADATA methods
* ----------------------------------------*/
/**
* Changes the ACL on the specified folder (SETACL)
*
* @param string $folder Folder name
* @param string $user User name
* @param string $acl ACL string
*
* @return boolean True on success, False on failure
*/
abstract function set_acl($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 $user User name
*
* @return boolean True on success, False on failure
*/
abstract function delete_acl($folder, $user);
/**
* Returns the access control list for a folder (GETACL).
*
* @param string $folder Folder name
*
* @return array User-rights array on success, NULL on error
*/
abstract function get_acl($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 $user User name
*
* @return array List of user rights
*/
abstract function list_rights($folder, $user);
/**
* Returns the set of rights that the current user has to a folder (MYRIGHTS).
*
* @param string $folder Folder name
*
* @return array MYRIGHTS response on success, NULL on error
*/
abstract function my_rights($folder);
/**
* Sets metadata/annotations (SETMETADATA/SETANNOTATION)
*
* @param string $folder Folder name (empty for server metadata)
* @param array $entries Entry-value array (use NULL value as NIL)
*
* @return boolean True on success, False on failure
*/
abstract function set_metadata($folder, $entries);
/**
* Unsets metadata/annotations (SETMETADATA/SETANNOTATION)
*
* @param string $folder Folder name (empty for server metadata)
* @param array $entries Entry names array
*
* @return boolean True on success, False on failure
*/
abstract function delete_metadata($folder, $entries);
/**
* Returns folder metadata/annotations (GETMETADATA/GETANNOTATION).
*
* @param string $folder Folder name (empty for server metadata)
* @param array $entries Entries
* @param array $options Command options (with MAXSIZE and DEPTH keys)
*
* @return array Metadata entry-value hash array on success, NULL on error
*/
abstract function get_metadata($folder, $entries, $options = array());
/* -----------------------------------------
* Cache related functions
* ----------------------------------------*/
/**
* 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 $key
*/
abstract function clear_cache($key = null, $prefix_mode = false);
/**
* Returns cached value
*
* @param string $key Cache key
*
* @return mixed Cached value
*/
abstract function get_cache($key);
/**
* Delete outdated cache entries
*/
abstract function cache_gc();
} // end class rcube_storage

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