Page Menu
Home
Phorge
Search
Configure Global Search
Log In
Files
F223480
No One
Temporary
Actions
View File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Flag For Later
Size
285 KB
Referenced Files
None
Subscribers
None
View Options
This file is larger than 256 KB, so syntax highlighting was skipped.
diff --git a/program/lib/Roundcube/rcube_imap.php b/program/lib/Roundcube/rcube_imap.php
index 3ca8a07c9..d65f6afab 100644
--- a/program/lib/Roundcube/rcube_imap.php
+++ b/program/lib/Roundcube/rcube_imap.php
@@ -1,4186 +1,4187 @@
<?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_method' => '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');
}
/**
* 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);
$imap_flag = $this->conn->flags[$flag];
$perm_flags = $this->get_permflags($this->folder);
return 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();
}
/*
Checking PERMANENTFLAGS is rather rare, so we disable caching of it
Re-think when we'll use it for more than only MDNSENT flag
$cache_key = 'mailboxes.permanentflags.' . $folder;
$permflags = $this->get_cache($cache_key);
if ($permflags !== null) {
return explode(' ', $permflags);
}
*/
if (!$this->check_connection()) {
return array();
}
if ($this->conn->select($folder)) {
$permflags = $this->conn->data['PERMANENTFLAGS'];
}
else {
return array();
}
if (!is_array($permflags)) {
$permflags = array();
}
/*
// Store permflags as string to limit cached object size
$this->update_cache($cache_key, implode(' ', $permflags));
*/
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 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) || $this->search_set->is_empty()) {
return array();
}
// use saved messages from searching
if ($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) {
$a_msg_headers[$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 $no_threads Get not threaded index
*
* @return rcube_result_index|rcube_result_thread List of messages (UIDs)
*/
public function index($folder = '', $sort_field = NULL, $sort_order = NULL, $no_threads = false)
{
if (!$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_threads) {
$this->search($folder, $this->search_string, $this->search_charset, $this->sort_field);
}
// use message index sort as default sorting
if (!$this->sort_field || $this->search_sorted) {
if ($this->sort_field && $this->search_sort_field != $this->sort_field) {
$this->search($folder, $this->search_string, $this->search_charset, $this->sort_field);
}
$index = $this->search_set;
}
else if (!$this->check_connection()) {
return new rcube_result_index();
}
else {
$index = $this->conn->index($folder, $this->search_set->get(),
$this->sort_field, $this->options['skip_deleted'], true, true);
}
if ($this->sort_order != $index->get_parameters('ORDER')) {
$index->revert();
}
return $index;
}
// check local cache
if ($mcache = $this->get_mcache_engine()) {
$index = $mcache->get_index($folder, $this->sort_field, $this->sort_order);
}
// fetch from IMAP server
else {
$index = $this->index_direct(
$folder, $this->sort_field, $this->sort_order);
}
return $index;
}
/**
* 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 $sort_order Sort order [ASC, DESC]
*
* @return rcube_result_index Sorted list of message UIDs
*/
public function index_direct($folder, $sort_field = null, $sort_order = null)
{
// use message index sort as default sorting
if (!$sort_field) {
// use search result from count() if possible
if ($this->options['skip_deleted'] && !empty($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 {
$index = $this->conn->search($folder,
'ALL' .($this->options['skip_deleted'] ? ' UNDELETED' : ''), true);
}
}
else if (!$this->check_connection()) {
return new rcube_result_index();
}
// fetch complete message index
else {
if ($this->get_capability('SORT')) {
$index = $this->conn->sort($folder, $sort_field,
$this->options['skip_deleted'] ? 'UNDELETED' : '', true);
}
if (empty($index) || $index->is_error()) {
$index = $this->conn->index($folder, "1:*", $sort_field,
$this->options['skip_deleted'], false, true);
}
}
if ($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->get_capability('THREAD') != 'REFS') {
$sortby = $this->sort_field ? $this->sort_field : 'date';
$index = $this->index($this->folder, $sortby, $this->sort_order, true);
if (!$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 $str Search criteria
* @param string $charset Search charset
* @param string $sort_field Header field to sort by
*
* @todo: Search criteria should be provided in non-IMAP format, eg. array
*/
public function search($folder='', $str='ALL', $charset=NULL, $sort_field=NULL)
{
if (!$str) {
$str = 'ALL';
}
if (!strlen($folder)) {
$folder = $this->folder;
}
$results = $this->search_index($folder, $str, $charset, $sort_field);
$this->set_search_set(array($str, $results, $charset, $sort_field,
$this->threading || $this->search_sorted ? true : false));
}
/**
* 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, $str = 'ALL')
{
if (!$str) {
return 'ALL';
}
if (!strlen($folder)) {
$folder = $this->folder;
}
if (!$this->check_connection()) {
return new rcube_result_index();
}
$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,
$this->convert_criteria($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,
$this->convert_criteria($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,
$this->convert_criteria($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 $dest_charset Destination charset (default US-ASCII)
*
* @return string Search string
*/
protected function convert_criteria($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) {
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('', $this->search_string, $this->search_charset, $this->search_sort_field);
}
return $this->get_search_set();
}
/**
* 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, $force = false)
{
if (!strlen($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());
}
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 = $this->folder;
}
// Check internal cache
if (!empty($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 $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
* @param int $max_bytes Only read this number of bytes
*
* @return string Message/part body if not printed
*/
public function get_message_part($uid, $part=1, $o_part=NULL, $print=NULL, $fp=NULL, $skip_charset_conv=false, $max_bytes=0)
{
if (!$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) {
$body = $this->conn->handlePartBody($this->folder, $uid, true,
$part ? $part : 'TEXT', $o_part->encoding, $print, $fp, $o_part->ctype_primary == 'text', $max_bytes);
}
if ($fp || $print) {
return true;
}
// convert charset (if text or message part)
if ($body && preg_match('/^(text|message)$/', $o_part->ctype_primary)) {
// Remove NULL characters if any (#1486189)
if (strpos($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));
}
}
}
return $result;
}
/**
* Append a mail message (source) to a specific folder
*
- * @param string $folder Target folder
- * @param string $message The message source string or filename
- * @param string $headers Headers string if $message contains only the body
- * @param boolean $is_file True if $message is a filename
- * @param array $flags Message flags
- * @param mixed $date Message internal date
- * @param bool $binary Enables BINARY append
+ * @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);
}
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;
}
// make sure folder exists
if ($to_mbox != 'INBOX' && !$this->folder_exists($to_mbox)) {
if (in_array($to_mbox, $this->default_folders)) {
if (!$this->create_folder($to_mbox, true)) {
return false;
}
}
else {
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);
}
// 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 {
$this->search_set->filter(explode(',', $uids));
}
}
// remove cached messages
// @TODO: do cache update instead of clearing it
$this->clear_message_cache($from_mbox, $all_mode ? null : explode(',', $uids));
}
return $moved;
}
/**
* Copy a message from one 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;
}
// make sure folder exists
if ($to_mbox != 'INBOX' && !$this->folder_exists($to_mbox)) {
if (in_array($to_mbox, $this->default_folders)) {
if (!$this->create_folder($to_mbox, true)) {
return false;
}
}
else {
return false;
}
}
// copy messages
$copied = $this->conn->copy($uids, $from_mbox, $to_mbox);
if ($copied) {
$this->clear_messagecount($to_mbox);
}
return $copied;
}
/**
* Mark messages as deleted and expunge 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($this->icache['threads']);
// remove message ids from search set
if ($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 {
$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
// we can do this only when LIST response is available
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,
// we can do this only when LIST response is available
if (is_array($a_folders) && $name == '*' && !empty($this->conn->data['LIST'])) {
foreach ($a_folders as $idx => $folder) {
if (!isset($this->conn->data['LIST'][$folder])
|| in_array('\\Noselect', $this->conn->data['LIST'][$folder])
) {
// Some servers returns \Noselect for existing folders
if (!$this->folder_exists($folder)) {
$this->conn->unsubscribe($folder);
unset($a_folders[$idx]);
}
}
}
}
}
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 $type Listing type (ext-subscribed, subscribed or all)
*/
private function list_folders_update(&$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, $list);
}
}
}
}
/**
* Filter the given list of folders according to access rights
*/
protected function filter_rights($a_folders, $rights)
{
$regex = '/('.$rights.')/';
foreach ($a_folders as $idx => $folder) {
$myrights = join('', (array)$this->my_rights($folder));
if ($myrights !== null && !preg_match($regex, $myrights)) {
unset($a_folders[$idx]);
}
}
return $a_folders;
}
/**
* Get mailbox quota information
* added by Nuny
*
* @return mixed Quota info or False if not supported
*/
public function get_quota()
{
if ($this->get_capability('QUOTA') && $this->check_connection()) {
return $this->conn->getQuota();
}
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 $subscribe True if the new folder should be subscribed
*
* @return boolean True on success
*/
public function create_folder($folder, $subscribe=false)
{
if (!$this->check_connection()) {
return false;
}
$result = $this->conn->createFolder($folder);
// 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 $result;
}
/**
* Create all folders specified as default
*/
public function create_default_folders()
{
// create default folders if they do not exist
foreach ($this->default_folders as $folder) {
if (!$this->folder_exists($folder)) {
$this->create_folder($folder, true);
}
else if (!$this->folder_exists($folder, true)) {
$this->subscribe($folder);
}
}
}
/**
* 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) {
$a_folders = $this->conn->listSubscribed('', $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);
$options['special'] = in_array($folder, $this->default_folders);
// Set 'noselect' flag
if (is_array($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 $set Flag
*/
public function set_messages_caching($set)
{
if ($set) {
$this->messages_caching = true;
}
else {
if ($this->mcache) {
$this->mcache->close();
}
$this->mcache = null;
$this->messages_caching = false;
}
}
/**
* Getter for messages cache object
*/
protected function get_mcache_engine()
{
if ($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');
$this->mcache = new rcube_imap_cache(
$dbh, $this, $userid, $this->options['skip_deleted'], $ttl);
}
}
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 $a_folders Folders list
*/
protected function sort_folder_list($a_folders)
{
$a_out = $a_defaults = $folders = array();
$delimiter = $this->get_hierarchy_delimiter();
// find default folders and skip folders starting with '.'
foreach ($a_folders as $folder) {
if ($folder[0] == '.') {
continue;
}
if (($p = array_search($folder, $this->default_folders)) !== false && !$a_defaults[$p]) {
$a_defaults[$p] = $folder;
}
else {
$folders[$folder] = rcube_charset::convert($folder, 'UTF7-IMAP');
}
}
// sort folders and place defaults on the top
asort($folders, SORT_LOCALE_STRING);
ksort($a_defaults);
$folders = array_merge($a_defaults, array_keys($folders));
// finally we must rebuild the list to move
// subfolders of default folders to their place...
// ...also do this for the rest of folders because
// asort() is not properly sorting case sensitive names
while (list($key, $folder) = each($folders)) {
// set the type of folder name variable (#1485527)
$a_out[] = (string) $folder;
unset($folders[$key]);
$this->rsort($folder, $delimiter, $folders, $a_out);
}
return $a_out;
}
/**
* Recursive method for sorting folders
*/
protected function rsort($folder, $delimiter, &$list, &$out)
{
while (list($key, $name) = each($list)) {
if (strpos($name, $folder.$delimiter) === 0) {
// set the type of folder name variable (#1485527)
$out[] = (string) $name;
unset($list[$key]);
$this->rsort($name, $delimiter, $list, $out);
}
}
reset($list);
}
/**
* 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 292b932e1..b2ac9eaf5 100644
--- a/program/lib/Roundcube/rcube_imap_generic.php
+++ b/program/lib/Roundcube/rcube_imap_generic.php
@@ -1,3799 +1,3768 @@
<?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',
'*' => '\\*',
);
private $fp;
private $host;
private $logged = false;
private $capability = array();
private $capability_readed = false;
private $prefs;
private $cmd_tag;
private $cmd_num = 0;
private $resourceid;
private $_debug = false;
private $_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 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 $endln True if CRLF need to be added at the end of command
*
* @param int Number of bytes sent, False on error
*/
function putLine($string, $endln=true)
{
if (!$this->fp)
return false;
if ($this->_debug) {
$this->debug('C: '. rtrim($string));
}
$res = fwrite($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 $endln True if CRLF need to be added at the end of command
*
* @return int|bool Number of bytes sent, False on error
*/
function putLineC($string, $endln=true)
{
if (!$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[$i+1], false);
if ($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[$i], false);
if ($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 $this->errornum;
}
return self::ERROR_UNKNOWN;
}
/**
* Checks connection stream state.
*
* @return bool True if connection is closed
*/
private function eof()
{
if (!is_resource($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']))
) {
$this->closeSocket();
return true;
}
return false;
}
/**
* Closes connection stream.
*/
private function closeSocket()
{
@fclose($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($string)) {
return true;
}
return false;
}
private function hasCapability($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);
}
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);
$line = trim($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);
}
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);
$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);
// 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, $options=null)
{
// set options
if (is_array($options)) {
$this->prefs = $options;
}
// set auth method
if (!empty($this->prefs['auth_type'])) {
$auth_method = strtoupper($this->prefs['auth_type']);
} else {
$auth_method = 'CHECK';
}
$result = false;
// initialize connection
$this->error = '';
$this->errornum = self::ERROR_OK;
$this->selected = null;
$this->user = $user;
$this->host = $host;
$this->logged = false;
// check input
if (empty($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)) {
$this->setError(self::ERROR_NO, "Empty password");
return false;
}
if (!$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')));
}
// Connect
$this->fp = @fsockopen($host, $this->prefs['port'], $errno, $errstr, $this->prefs['timeout']);
if (!$this->fp) {
if (!$errstr) {
$errstr = "Unknown reason (fsockopen() function disabled?)";
}
$this->setError(self::ERROR_BAD, sprintf("Could not connect to %s:%d: %s", $host, $this->prefs['port'], $errstr));
return false;
}
if ($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')) {
if (version_compare(PHP_VERSION, '5.1.0', '>=')) {
$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
$this->clearCapability();
}
}
// Send ID info
if (!empty($this->prefs['ident']) && $this->getCapability('ID')) {
$this->id($this->prefs['ident']);
}
$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;
}
$this->closeConnection();
return false;
}
/**
* Checks connection status
*
* @return bool True if connection is active and user is logged in, False otherwise.
*/
function connected()
{
return ($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 $mailbox Mailbox name
*
* @return bool True on success, False on error
*/
function createFolder($mailbox)
{
$result = $this->execute('CREATE', array($this->escape($mailbox)),
self::COMMAND_NORESPONSE);
return ($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 $status_opts (see self::_listMailboxes)
* @param array $select_opts (see self::_listMailboxes)
*
* @return array List of mailboxes or hash of options if $status_opts argument
* is non-empty.
*/
function listMailboxes($ref, $mailbox, $status_opts=array(), $select_opts=array())
{
return $this->_listMailboxes($ref, $mailbox, false, $status_opts, $select_opts);
}
/**
* Returns list of subscribed mailboxes
*
* @param string $ref Reference name
* @param string $mailbox Mailbox name
* @param array $status_opts (see self::_listMailboxes)
*
* @return array List of mailboxes or hash of options if $status_opts argument
* is non-empty.
*/
function listSubscribed($ref, $mailbox, $status_opts=array())
{
return $this->_listMailboxes($ref, $mailbox, true, $status_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 $status_opts List of STATUS options (RFC5819: LIST-STATUS)
* Possible: MESSAGES, RECENT, UIDNEXT, UIDVALIDITY, UNSEEN
* @param array $select_opts List of selection options (RFC5258: LIST-EXTENDED)
* Possible: SUBSCRIBED, RECURSIVEMATCH, REMOTE
*
* @return array List of mailboxes or hash of options if $status_ops argument
* is non-empty.
*/
private function _listMailboxes($ref, $mailbox, $subscribed=false,
$status_opts=array(), $select_opts=array())
{
if (!strlen($mailbox)) {
$mailbox = '*';
}
$args = array();
if (!empty($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($status_opts) && $this->getCapability('LIST-STATUS')) {
$status_opts = (array) $status_opts;
$lstatus = true;
$args[] = 'RETURN (STATUS (' . implode(' ', $status_opts) . '))';
}
list($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) /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 LSUB options only if not empty, this way
// we can detect a situation when LIST doesn't return specified folder
if (!empty($opts) || $cmd == 'LIST') {
// Add to options array
if (empty($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], $opts));
}
}
// * STATUS <mailbox> (<result>)
else if ($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;
}
}
}
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 $add 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, $add='', $return_uid=false, $encoding = 'US-ASCII')
{
$field = strtoupper($field);
if ($field == 'INTERNALDATE') {
$field = 'ARRIVAL';
}
$fields = array('ARRIVAL' => 1,'CC' => 1,'DATE' => 1,
'FROM' => 1, 'SIZE' => 1, 'SUBJECT' => 1, 'TO' => 1);
if (!$fields[$field]) {
return new rcube_result_index($mailbox);
}
if (!$this->select($mailbox)) {
return new rcube_result_index($mailbox);
}
// RFC 5957: SORT=DISPLAY
if (($field == 'FROM' || $field == 'TO') && $this->getCapability('SORT=DISPLAY')) {
$field = 'DISPLAY' . $field;
}
// message IDs
if (!empty($add))
$add = $this->compressMessageSet($add);
list($code, $response) = $this->execute($return_uid ? 'UID SORT' : 'SORT',
array("($field)", $encoding, 'ALL' . (!empty($add) ? ' '.$add : '')));
if ($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);
}
$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 $mod Modifier [+|-]. Default: "+".
*
* @return bool True on success, False on failure
*/
private function modFlag($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 = $value;
}
else if ($name == 'BODY') {
$body = $this->tokenizeResponse($line, 1);
if ($value[0] == 'HEADER.FIELDS')
$headers = $body;
else if (!empty($value))
$result[$id]->bodypart[$value[0]] = $body;
else
$result[$id]->body = $body;
}
}
// create array with header field:data
if (!empty($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 $formatting 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
$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 = '';
$found = true;
while ($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 $message Message content
- * @param array $flags Message flags
- * @param string $date Message internal date
- * @param bool $binary Enable BINARY append (RFC3516)
+ * @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]);
+ }
- if (!$binary) {
- $message = str_replace("\r", '', $message);
- $message = str_replace("\n", "\r\n", $message);
+ $len += strlen($msg[$i]);
+ }
}
- $len = strlen($message);
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;
}
}
- if (!$this->putLine($message)) {
+ 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, $binary = false)
{
- unset($this->data['APPENDUID']);
-
- if ($mailbox === null || $mailbox === '') {
- return false;
- }
-
// open message file
- $in_fp = false;
if (file_exists(realpath($path))) {
- $in_fp = fopen($path, 'r');
+ $fp = fopen($path, 'r');
}
- if (!$in_fp) {
+ if (!$fp) {
$this->setError(self::ERROR_UNKNOWN, "Couldn't open $path for reading");
return false;
}
- $body_separator = "\r\n\r\n";
- $len = filesize($path);
-
- if (!$len) {
- return false;
- }
-
+ $message = array();
if ($headers) {
- $headers = preg_replace('/[\r\n]+$/', '', $headers);
- $len += strlen($headers) + strlen($body_separator);
+ $message[] = trim($headers, "\r\n") . "\r\n\r\n";
}
+ $message[] = $fp;
- $binary = $binary && $this->getCapability('BINARY');
- $literal_plus = !$binary && $this->prefs['literal+'];
-
- // 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)) {
- // Don't wait when LITERAL+ is supported
- if (!$literal_plus) {
- $line = $this->readReply();
-
- if ($line[0] != '+') {
- $this->parseResult($line, 'APPEND: ');
- return false;
- }
- }
-
- // send headers with body separator
- if ($headers) {
- $this->putLine($headers . $body_separator, false);
- }
-
- // send file
- while (!feof($in_fp) && $this->fp) {
- $buffer = fgets($in_fp, 4096);
- $this->putLine($buffer, false);
- }
- fclose($in_fp);
-
- if (!$this->putLine('')) { // \r\n
- return false;
- }
-
- // read response
- 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;
+ return $this->append($mailbox, $message, $flags, $date, $binary);
}
/**
* Returns QUOTA information
*
* @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");
}
// return false if not found, parse if found
$min_free = PHP_INT_MAX;
foreach ($quota_lines as $key => $quota_line) {
$quota_line = str_replace(array('(', ')'), '', $quota_line);
$parts = explode(' ', $quota_line);
$storage_part = array_search('STORAGE', $parts);
if (!$storage_part) {
continue;
}
$used = intval($parts[$storage_part+1]);
$total = intval($parts[$storage_part+2]);
$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'];
}
}
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);
}
$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++) {
$result[$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)) {
$result[$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) {
// 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') {
$result[$mbox]['/private' . $entry] = $value;
}
else if ($attr == 'value.shared') {
$result[$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)) {
$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 '(':
case '[':
$str = substr($str, 1);
$result[] = self::tokenizeResponse($str);
break;
case ')':
case ']':
$str = substr($str, 1);
return $result;
break;
// String atom, number, NIL, *, %
default:
// empty string
if ($str === '' || $str === null) {
break 2;
}
// excluded chars: SP, CTL, ), [, ]
if (preg_match('/^([^\x00-\x20\x29\x5B\x5D\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 $result;
}
private function _xor($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 $flags Flags (see self::flags)
*
* @return string Space-separated list of flags
*/
private function flagsToStr($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 : $ts;
}
/**
* CAPABILITY response parser
*/
private function parseCapability($str, $trusted=false)
{
$str = preg_replace('/^\* CAPABILITY /i', '', $str);
$this->capability = explode(' ', strtoupper($str));
if (!isset($this->prefs['literal+']) && in_array('LITERAL+', $this->capability)) {
$this->prefs['literal+'] = true;
}
if ($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 $message Debug mesage text.
*
* @since 0.5-stable
*/
private function debug($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 b17291bdf..4b336f210 100644
--- a/program/lib/Roundcube/rcube_storage.php
+++ b/program/lib/Roundcube/rcube_storage.php
@@ -1,991 +1,992 @@
<?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;
protected $folder = 'INBOX';
protected $default_charset = 'ISO-8859-1';
protected $default_folders = array('INBOX');
protected $search_set;
protected $options = array('auth_method' => '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',
'DELIVERED-TO',
'ENVELOPE-TO',
);
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);
}
/**
* 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;
}
/**
* This list of folders will be listed above all other folders
*
* @param array $arr Indexed list of folder names
*/
public function set_default_folders($arr)
{
if (is_array($arr)) {
$this->default_folders = $arr;
// add inbox if not included
if (!in_array('INBOX', $this->default_folders)) {
array_unshift($this->default_folders, 'INBOX');
}
}
}
/**
* 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 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 $message The message source string or filename
- * @param string $headers Headers string if $message contains only the body
- * @param boolean $is_file True if $message is a filename
- * @param array $flags Message flags
- * @param mixed $date Message internal date
+ * @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);
}
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, $mode = 'out');
/**
* Create all folders specified as default
*/
public function create_default_folders()
{
// create default folders if they do not exist
foreach ($this->default_folders as $folder) {
if (!$this->folder_exists($folder)) {
$this->create_folder($folder, true);
}
else if (!$this->folder_exists($folder, true)) {
$this->subscribe($folder);
}
}
}
/**
* Get mailbox quota information.
*
* @return mixed Quota info or False if not supported
*/
abstract function get_quota();
/* -----------------------------------------
* 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
File Metadata
Details
Attached
Mime Type
text/x-diff
Expires
Sat, Mar 1, 3:42 AM (1 d, 7 h)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
165721
Default Alt Text
(285 KB)
Attached To
Mode
R3 roundcubemail
Attached
Detach File
Event Timeline
Log In to Comment