diff options
Diffstat (limited to 'program')
| -rw-r--r-- | program/include/rcmail.php | 18 | ||||
| -rw-r--r-- | program/include/rcube_imap.php | 6530 | ||||
| -rw-r--r-- | program/include/rcube_imap_generic.php | 2242 | ||||
| -rw-r--r-- | program/lib/imap.inc | 2293 |
4 files changed, 5498 insertions, 5585 deletions
diff --git a/program/include/rcmail.php b/program/include/rcmail.php index 1224822c6..77ebb28b6 100644 --- a/program/include/rcmail.php +++ b/program/include/rcmail.php @@ -456,21 +456,21 @@ class rcmail */ public function imap_connect() { - $conn = false; - if (!$this->imap) $this->imap_init(); - if ($_SESSION['imap_host'] && !$this->imap->conn) { - if (!($conn = $this->imap->connect($_SESSION['imap_host'], $_SESSION['username'], $this->decrypt($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl']))) { + if ($_SESSION['imap_host'] && !$this->imap->conn->connected()) { + if (!$this->imap->connect($_SESSION['imap_host'], $_SESSION['username'], $this->decrypt($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl'])) { if ($this->output) $this->output->show_message($this->imap->error_code == -1 ? 'imaperror' : 'sessionerror', 'error'); } - - $this->set_imap_prop(); + else { + $this->set_imap_prop(); + return $this->imap->conn; + } } - return $conn; + return false; } @@ -957,10 +957,8 @@ class rcmail */ public function shutdown() { - if (is_object($this->imap)) { + if (is_object($this->imap)) $this->imap->close(); - $this->imap->write_cache(); - } if (is_object($this->smtp)) $this->smtp->disconnect(); diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php index 24080d618..b1f9132c5 100644 --- a/program/include/rcube_imap.php +++ b/program/include/rcube_imap.php @@ -9,11 +9,11 @@ | Licensed under the GNU GPL | | | | PURPOSE: | - | IMAP wrapper that implements the Iloha IMAP Library (IIL) | - | See http://ilohamail.org/ for details | + | IMAP Engine | | | +-----------------------------------------------------------------------+ | Author: Thomas Bruederli <roundcube@gmail.com> | + | Author: Aleksander Machniak <alec@alec.pl> | +-----------------------------------------------------------------------+ $Id$ @@ -21,10 +21,6 @@ */ -/* - * Obtain classes from the Iloha IMAP library - */ -require_once('lib/imap.inc'); require_once('lib/mime.inc'); require_once('lib/tnef_decoder.inc'); @@ -32,3730 +28,3700 @@ require_once('lib/tnef_decoder.inc'); /** * Interface class for accessing an IMAP server * - * This is a wrapper that implements the Iloha IMAP Library (IIL) - * * @package Mail * @author Thomas Bruederli <roundcube@gmail.com> - * @version 1.5 - * @link http://ilohamail.org + * @version 1.6 */ class rcube_imap { - public $debug_level = 1; - public $error_code = 0; - public $skip_deleted = false; - public $root_dir = ''; - public $page_size = 10; - public $list_page = 1; - public $delimiter = NULL; - public $threading = false; - public $fetch_add_headers = ''; - public $conn; - - private $db; - private $root_ns = ''; - private $mailbox = 'INBOX'; - private $sort_field = ''; - private $sort_order = 'DESC'; - private $caching_enabled = false; - private $default_charset = 'ISO-8859-1'; - private $struct_charset = NULL; - private $default_folders = array('INBOX'); - private $default_folders_lc = array('inbox'); - private $icache = array(); - private $cache = array(); - private $cache_keys = array(); - private $cache_changes = array(); - private $uid_id_map = array(); - private $msg_headers = array(); - public $search_set = NULL; - public $search_string = ''; - private $search_charset = ''; - private $search_sort_field = ''; - private $search_threads = false; - private $db_header_fields = array('idx', 'uid', 'subject', 'from', 'to', 'cc', 'date', 'size'); - private $options = array('auth_method' => 'check'); - private $host, $user, $pass, $port, $ssl; - - - /** - * Object constructor - * - * @param object DB Database connection - */ - function __construct($db_conn) - { - $this->db = $db_conn; - } - - - /** - * Connect to an IMAP server - * - * @param string Host to connect - * @param string Username for IMAP account - * @param string Password for IMAP account - * @param number Port to connect to - * @param string SSL schema (either ssl or tls) or null if plain connection - * @return boolean TRUE on success, FALSE on failure - * @access public - */ - function connect($host, $user, $pass, $port=143, $use_ssl=null) - { - global $ICL_SSL, $ICL_PORT, $IMAP_USE_INTERNAL_DATE; - - // check for Open-SSL support in PHP build - if ($use_ssl && extension_loaded('openssl')) - $ICL_SSL = $use_ssl == 'imaps' ? 'ssl' : $use_ssl; - else if ($use_ssl) { - raise_error(array('code' => 403, 'type' => 'imap', - 'file' => __FILE__, 'line' => __LINE__, - 'message' => "Open SSL not available"), true, false); - $port = 143; - } - - $ICL_PORT = $port; - $IMAP_USE_INTERNAL_DATE = false; - - $attempt = 0; - do { - $data = rcmail::get_instance()->plugins->exec_hook('imap_connect', array('host' => $host, 'user' => $user, 'attempt' => ++$attempt)); - if (!empty($data['pass'])) - $pass = $data['pass']; - - $this->conn = iil_Connect($data['host'], $data['user'], $pass, $this->options); - } while(!$this->conn && $data['retry']); - - $this->host = $data['host']; - $this->user = $data['user']; - $this->pass = $pass; - $this->port = $port; - $this->ssl = $use_ssl; - - // print trace messages - if ($this->conn && ($this->debug_level & 8)) - console($this->conn->message); - - // write error log - else if (!$this->conn && $GLOBALS['iil_error']) - { - $this->error_code = $GLOBALS['iil_errornum']; - raise_error(array('code' => 403, 'type' => 'imap', - 'file' => __FILE__, 'line' => __LINE__, - 'message' => $GLOBALS['iil_error']), true, false); - } - - // get server properties - if ($this->conn) - { - if (!empty($this->conn->rootdir)) - $this->set_rootdir($this->conn->rootdir); - if (empty($this->delimiter)) - $this->get_hierarchy_delimiter(); - } - - return $this->conn ? true : false; - } - - - /** - * Close IMAP connection - * Usually done on script shutdown - * - * @access public - */ - function close() + public $debug_level = 1; + public $error_code = 0; + public $skip_deleted = false; + public $root_dir = ''; + public $page_size = 10; + public $list_page = 1; + public $delimiter = NULL; + public $threading = false; + public $fetch_add_headers = ''; + public $conn; // rcube_imap_generic object + + private $db; + private $root_ns = ''; + private $mailbox = 'INBOX'; + private $sort_field = ''; + private $sort_order = 'DESC'; + private $caching_enabled = false; + private $default_charset = 'ISO-8859-1'; + private $struct_charset = NULL; + private $default_folders = array('INBOX'); + private $icache = array(); + private $cache = array(); + private $cache_keys = array(); + private $cache_changes = array(); + private $uid_id_map = array(); + private $msg_headers = array(); + public $search_set = NULL; + public $search_string = ''; + private $search_charset = ''; + private $search_sort_field = ''; + private $search_threads = false; + private $db_header_fields = array('idx', 'uid', 'subject', 'from', 'to', 'cc', 'date', 'size'); + private $options = array('auth_method' => 'check'); + private $host, $user, $pass, $port, $ssl; + + + /** + * Object constructor + * + * @param object DB Database connection + */ + function __construct($db_conn) + { + $this->db = $db_conn; + $this->conn = new rcube_imap_generic(); + } + + + /** + * Connect to an IMAP server + * + * @param string Host to connect + * @param string Username for IMAP account + * @param string Password for IMAP account + * @param number Port to connect to + * @param string SSL schema (either ssl or tls) or null if plain connection + * @return boolean TRUE on success, FALSE on failure + * @access public + */ + function connect($host, $user, $pass, $port=143, $use_ssl=null) + { + // check for Open-SSL support in PHP build + if ($use_ssl && extension_loaded('openssl')) + $this->options['ssl_mode'] = $use_ssl == 'imaps' ? 'ssl' : $use_ssl; + else if ($use_ssl) { + raise_error(array('code' => 403, 'type' => 'imap', + 'file' => __FILE__, 'line' => __LINE__, + 'message' => "OpenSSL not available"), true, false); + $port = 143; + } + + $this->options['port'] = $port; + + $attempt = 0; + do { + $data = rcmail::get_instance()->plugins->exec_hook('imap_connect', + array('host' => $host, 'user' => $user, 'attempt' => ++$attempt)); + + if (!empty($data['pass'])) + $pass = $data['pass']; + + $this->conn->connect($data['host'], $data['user'], $pass, $this->options); + } while(!$this->conn->connected() && $data['retry']); + + $this->host = $data['host']; + $this->user = $data['user']; + $this->pass = $pass; + $this->port = $port; + $this->ssl = $use_ssl; + + // print trace messages + if ($this->conn->connected()) { + if ($this->conn->message && ($this->debug_level & 8)) { + console($this->conn->message); + } + + // get server properties + if (!empty($this->conn->rootdir)) + $this->set_rootdir($this->conn->rootdir); + if (empty($this->delimiter)) + $this->get_hierarchy_delimiter(); + } + // write error log + else if ($this->conn->error) { + $this->error_code = $this->conn->errornum; + raise_error(array('code' => 403, 'type' => 'imap', + 'file' => __FILE__, 'line' => __LINE__, + 'message' => $this->conn->error), true, false); + } + + return $this->conn ? true : false; + } + + + /** + * Close IMAP connection + * Usually done on script shutdown + * + * @access public + */ + function close() { - if ($this->conn) - iil_Close($this->conn); + if ($this->conn && $this->conn->connected()) + $this->conn->close(); + $this->write_cache(); } - /** - * Close IMAP connection and re-connect - * This is used to avoid some strange socket errors when talking to Courier IMAP - * - * @access public - */ - function reconnect() + /** + * Close IMAP connection and re-connect + * This is used to avoid some strange socket errors when talking to Courier IMAP + * + * @access public + */ + function reconnect() { - $this->close(); - $this->connect($this->host, $this->user, $this->pass, $this->port, $this->ssl); + $this->close(); + $this->connect($this->host, $this->user, $this->pass, $this->port, $this->ssl); - // issue SELECT command to restore connection status - if ($this->mailbox) - iil_C_Select($this->conn, $this->mailbox); + // issue SELECT command to restore connection status + if ($this->mailbox) + $this->conn->select($this->mailbox); } - /** - * Set options to be used in iil_Connect() - */ - function set_options($opt) - { - $this->options = array_merge($this->options, (array)$opt); - } + /** + * Set options to be used in rcube_imap_generic::connect() + */ + function set_options($opt) + { + $this->options = array_merge($this->options, (array)$opt); + } - /** - * Set a root folder for the IMAP connection. - * - * Only folders within this root folder will be displayed - * and all folder paths will be translated using this folder name - * - * @param string Root folder - * @access public - */ - function set_rootdir($root) + /** + * Set a root folder for the IMAP connection. + * + * Only folders within this root folder will be displayed + * and all folder paths will be translated using this folder name + * + * @param string Root folder + * @access public + */ + function set_rootdir($root) { - if (preg_match('/[.\/]$/', $root)) //(substr($root, -1, 1)==='/') - $root = substr($root, 0, -1); + if (preg_match('/[.\/]$/', $root)) //(substr($root, -1, 1)==='/') + $root = substr($root, 0, -1); - $this->root_dir = $root; - $this->options['rootdir'] = $root; + $this->root_dir = $root; + $this->options['rootdir'] = $root; - if (empty($this->delimiter)) - $this->get_hierarchy_delimiter(); + if (empty($this->delimiter)) + $this->get_hierarchy_delimiter(); } - /** - * Set default message charset - * - * This will be used for message decoding if a charset specification is not available - * - * @param string Charset string - * @access public - */ - function set_charset($cs) + /** + * Set default message charset + * + * This will be used for message decoding if a charset specification is not available + * + * @param string Charset string + * @access public + */ + function set_charset($cs) { - $this->default_charset = $cs; + $this->default_charset = $cs; } - /** - * This list of folders will be listed above all other folders - * - * @param array Indexed list of folder names - * @access public - */ - function set_default_mailboxes($arr) + /** + * This list of folders will be listed above all other folders + * + * @param array Indexed list of folder names + * @access public + */ + function set_default_mailboxes($arr) { - if (is_array($arr)) - { - $this->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'); - } + // add inbox if not included + if (!in_array('INBOX', $this->default_folders)) + array_unshift($this->default_folders, 'INBOX'); + } } - /** - * Set internal mailbox reference. - * - * All operations will be perfomed on this mailbox/folder - * - * @param string Mailbox/Folder name - * @access public - */ - function set_mailbox($new_mbox) + /** + * Set internal mailbox reference. + * + * All operations will be perfomed on this mailbox/folder + * + * @param string Mailbox/Folder name + * @access public + */ + function set_mailbox($new_mbox) { - $mailbox = $this->mod_mailbox($new_mbox); + $mailbox = $this->mod_mailbox($new_mbox); - if ($this->mailbox == $mailbox) - return; + if ($this->mailbox == $mailbox) + return; - $this->mailbox = $mailbox; + $this->mailbox = $mailbox; - // clear messagecount cache for this mailbox - $this->_clear_messagecount($mailbox); + // clear messagecount cache for this mailbox + $this->_clear_messagecount($mailbox); } - /** - * Set internal list page - * - * @param number Page number to list - * @access public - */ - function set_page($page) + /** + * Set internal list page + * + * @param number Page number to list + * @access public + */ + function set_page($page) { - $this->list_page = (int)$page; + $this->list_page = (int)$page; } - /** - * Set internal page size - * - * @param number Number of messages to display on one page - * @access public - */ - function set_pagesize($size) + /** + * Set internal page size + * + * @param number Number of messages to display on one page + * @access public + */ + function set_pagesize($size) { - $this->page_size = (int)$size; + $this->page_size = (int)$size; } - /** - * Save a set of message ids for future message listing methods - * - * @param string IMAP Search query - * @param array List of message ids or NULL if empty - * @param string Charset of search string - * @param string Sorting field - */ - function set_search_set($str=null, $msgs=null, $charset=null, $sort_field=null, $threads=false) + /** + * Save a set of message ids for future message listing methods + * + * @param string IMAP Search query + * @param array List of message ids or NULL if empty + * @param string Charset of search string + * @param string Sorting field + */ + function set_search_set($str=null, $msgs=null, $charset=null, $sort_field=null, $threads=false) { - if (is_array($str) && $msgs == null) - list($str, $msgs, $charset, $sort_field, $threads) = $str; - if ($msgs != null && !is_array($msgs)) - $msgs = explode(',', $msgs); + if (is_array($str) && $msgs == null) + list($str, $msgs, $charset, $sort_field, $threads) = $str; + if ($msgs != null && !is_array($msgs)) + $msgs = explode(',', $msgs); - $this->search_string = $str; - $this->search_set = $msgs; - $this->search_charset = $charset; - $this->search_sort_field = $sort_field; - $this->search_threads = $threads; + $this->search_string = $str; + $this->search_set = $msgs; + $this->search_charset = $charset; + $this->search_sort_field = $sort_field; + $this->search_threads = $threads; } - /** - * Return the saved search set as hash array - * @return array Search set - */ - function get_search_set() + /** + * Return the saved search set as hash array + * @return array Search set + */ + function get_search_set() { - return array($this->search_string, - $this->search_set, - $this->search_charset, - $this->search_sort_field, - $this->search_threads, - ); + return array($this->search_string, + $this->search_set, + $this->search_charset, + $this->search_sort_field, + $this->search_threads, + ); } - /** - * Returns the currently used mailbox name - * - * @return string Name of the mailbox/folder - * @access public - */ - function get_mailbox_name() + /** + * Returns the currently used mailbox name + * + * @return string Name of the mailbox/folder + * @access public + */ + function get_mailbox_name() { - return $this->conn ? $this->mod_mailbox($this->mailbox, 'out') : ''; + return $this->conn->connected() ? $this->mod_mailbox($this->mailbox, 'out') : ''; } - /** - * Returns the IMAP server's capability - * - * @param string Capability name - * @return mixed Capability value or TRUE if supported, FALSE if not - * @access public - */ - function get_capability($cap) + /** + * Returns the IMAP server's capability + * + * @param string Capability name + * @return mixed Capability value or TRUE if supported, FALSE if not + * @access public + */ + function get_capability($cap) { - return iil_C_GetCapability($this->conn, strtoupper($cap)); + return $this->conn->getCapability(strtoupper($cap)); } - /** - * Sets threading flag to the best supported THREAD algorithm - * - * @param boolean TRUE to enable and FALSE - * @return string Algorithm or false if THREAD is not supported - * @access public - */ - function set_threading($enable=false) + /** + * Sets threading flag to the best supported THREAD algorithm + * + * @param boolean TRUE to enable and FALSE + * @return string Algorithm or false if THREAD is not supported + * @access public + */ + function set_threading($enable=false) { - $this->threading = false; + $this->threading = false; - if ($enable) { - if ($this->get_capability('THREAD=REFS')) - $this->threading = 'REFS'; - else if ($this->get_capability('THREAD=REFERENCES')) - $this->threading = 'REFERENCES'; - else if ($this->get_capability('THREAD=ORDEREDSUBJECT')) - $this->threading = 'ORDEREDSUBJECT'; - } - - return $this->threading; + if ($enable) { + if ($this->get_capability('THREAD=REFS')) + $this->threading = 'REFS'; + else if ($this->get_capability('THREAD=REFERENCES')) + $this->threading = 'REFERENCES'; + else if ($this->get_capability('THREAD=ORDEREDSUBJECT')) + $this->threading = 'ORDEREDSUBJECT'; + } + + return $this->threading; } - /** - * Checks the PERMANENTFLAGS capability of the current mailbox - * and returns true if the given flag is supported by the IMAP server - * - * @param string Permanentflag name - * @return mixed True if this flag is supported - * @access public - */ - function check_permflag($flag) + /** + * Checks the PERMANENTFLAGS capability of the current mailbox + * and returns true if the given flag is supported by the IMAP server + * + * @param string Permanentflag name + * @return mixed True if this flag is supported + * @access public + */ + function check_permflag($flag) { - $flag = strtoupper($flag); - $imap_flag = $GLOBALS['IMAP_FLAGS'][$flag]; - return (in_array_nocase($imap_flag, $this->conn->permanentflags)); + $flag = strtoupper($flag); + $imap_flag = $this->conn->flags[$flag]; + return (in_array_nocase($imap_flag, $this->conn->permanentflags)); } - /** - * Returns the delimiter that is used by the IMAP server for folder separation - * - * @return string Delimiter string - * @access public - */ - function get_hierarchy_delimiter() + /** + * Returns the delimiter that is used by the IMAP server for folder separation + * + * @return string Delimiter string + * @access public + */ + function get_hierarchy_delimiter() { - if ($this->conn && empty($this->delimiter)) - $this->delimiter = iil_C_GetHierarchyDelimiter($this->conn); + if ($this->conn && empty($this->delimiter)) + $this->delimiter = $this->conn->getHierarchyDelimiter(); - if (empty($this->delimiter)) - $this->delimiter = '/'; + if (empty($this->delimiter)) + $this->delimiter = '/'; - return $this->delimiter; + return $this->delimiter; } - /** - * Public method for mailbox listing. - * - * Converts mailbox name with root dir first - * - * @param string Optional root folder - * @param string Optional filter for mailbox listing - * @return array List of mailboxes/folders - * @access public - */ - function list_mailboxes($root='', $filter='*') + /** + * Get message count for a specific mailbox + * + * @param string Mailbox/folder name + * @param string Mode for count [ALL|THREADS|UNSEEN|RECENT] + * @param boolean Force reading from server and update cache + * @return int Number of messages + * @access public + */ + function messagecount($mbox_name='', $mode='ALL', $force=false) { - $a_out = array(); - $a_mboxes = $this->_list_mailboxes($root, $filter); + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + return $this->_messagecount($mailbox, $mode, $force); + } + + + /** + * Private method for getting nr of messages + * + * @access private + * @see rcube_imap::messagecount() + */ + private function _messagecount($mailbox='', $mode='ALL', $force=false) + { + $mode = strtoupper($mode); + + if (empty($mailbox)) + $mailbox = $this->mailbox; + + // count search set + if ($this->search_string && $mailbox == $this->mailbox && ($mode == 'ALL' || $mode == 'THREADS') && !$force) { + if ($this->search_threads) + return $mode == 'ALL' ? count((array)$this->search_set['depth']) : count((array)$this->search_set['tree']); + else + return count((array)$this->search_set); + } + + $a_mailbox_cache = $this->get_cache('messagecount'); + + // return cached value + if (!$force && is_array($a_mailbox_cache[$mailbox]) && isset($a_mailbox_cache[$mailbox][$mode])) + return $a_mailbox_cache[$mailbox][$mode]; + + if (!is_array($a_mailbox_cache[$mailbox])) + $a_mailbox_cache[$mailbox] = array(); - foreach ($a_mboxes as $mbox_row) - { - $name = $this->mod_mailbox($mbox_row, 'out'); - if (strlen($name)) - $a_out[] = $name; - } + if ($mode == 'THREADS') { + $count = $this->_threadcount($mailbox, $msg_count); + $_SESSION['maxuid'][$mailbox] = $msg_count ? $this->_id2uid($msg_count) : 0; + } + // RECENT count is fetched a bit different + else if ($mode == 'RECENT') { + $count = $this->conn->checkForRecent($mailbox); + } + // use SEARCH for message counting + else if ($this->skip_deleted) { + $search_str = "ALL UNDELETED"; + + // get message count and store in cache + if ($mode == 'UNSEEN') + $search_str .= " UNSEEN"; + + // get message count using SEARCH + // not very performant but more precise (using UNDELETED) + // disable THREADS for this request + $threads = $this->threading; + $this->threading = false; + $index = $this->_search_index($mailbox, $search_str); + $this->threading = $threads; + + $count = is_array($index) ? count($index) : 0; + + if ($mode == 'ALL') + $_SESSION['maxuid'][$mailbox] = $index ? $this->_id2uid(max($index)) : 0; + } + else { + if ($mode == 'UNSEEN') + $count = $this->conn->countUnseen($mailbox); + else { + $count = $this->conn->countMessages($mailbox); + $_SESSION['maxuid'][$mailbox] = $count ? $this->_id2uid($count) : 0; + } + } - // INBOX should always be available - if (!in_array('INBOX', $a_out)) - array_unshift($a_out, 'INBOX'); + $a_mailbox_cache[$mailbox][$mode] = (int)$count; - // sort mailboxes - $a_out = $this->_sort_mailbox_list($a_out); + // write back to cache + $this->update_cache('messagecount', $a_mailbox_cache); - return $a_out; + return (int)$count; } - /** - * Private method for mailbox listing - * - * @return array List of mailboxes/folders - * @see rcube_imap::list_mailboxes() - * @access private - */ - private function _list_mailboxes($root='', $filter='*') + /** + * Private method for getting nr of threads + * + * @access private + * @see rcube_imap::messagecount() + */ + private function _threadcount($mailbox, &$msg_count) { - $a_defaults = $a_out = array(); + if (!empty($this->icache['threads'])) + return count($this->icache['threads']['tree']); - // get cached folder list - $a_mboxes = $this->get_cache('mailboxes'); - if (is_array($a_mboxes)) - return $a_mboxes; - - // Give plugins a chance to provide a list of mailboxes - $data = rcmail::get_instance()->plugins->exec_hook('list_mailboxes',array('root'=>$root,'filter'=>$filter)); - if (isset($data['folders'])) { - $a_folders = $data['folders']; - } - else { - // retrieve list of folders from IMAP server - $a_folders = iil_C_ListSubscribed($this->conn, $this->mod_mailbox($root), $filter); - } + list ($thread_tree, $msg_depth, $has_children) = $this->_fetch_threads($mailbox); - if (!is_array($a_folders) || !sizeof($a_folders)) - $a_folders = array(); + $msg_count = count($msg_depth); - // write mailboxlist to cache - $this->update_cache('mailboxes', $a_folders); - - return $a_folders; - } +// $this->update_thread_cache($mailbox, $thread_tree, $msg_depth, $has_children); + return count($thread_tree); + } + + + /** + * Public method for listing headers + * convert mailbox name with root dir first + * + * @param string Mailbox/folder name + * @param int Current page to list + * @param string Header field to sort by + * @param string Sort order [ASC|DESC] + * @param boolean Number of slice items to extract from result array + * @return array Indexed array with message header objects + * @access public + */ + function list_headers($mbox_name='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0) + { + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + return $this->_list_headers($mailbox, $page, $sort_field, $sort_order, false, $slice); + } + + + /** + * Private method for listing message headers + * + * @access private + * @see rcube_imap::list_headers + */ + private function _list_headers($mailbox='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $recursive=false, $slice=0) + { + if (!strlen($mailbox)) + return array(); + + // use saved message set + if ($this->search_string && $mailbox == $this->mailbox) + return $this->_list_header_set($mailbox, $page, $sort_field, $sort_order, $slice); + + if ($this->threading) + return $this->_list_thread_headers($mailbox, $page, $sort_field, $sort_order, $recursive, $slice); + + $this->_set_sort_order($sort_field, $sort_order); + + $page = $page ? $page : $this->list_page; + $cache_key = $mailbox.'.msg'; + $cache_status = $this->check_cache_status($mailbox, $cache_key); + + // cache is OK, we can get all messages from local cache + if ($cache_status>0) { + $start_msg = ($page-1) * $this->page_size; + $a_msg_headers = $this->get_message_cache($cache_key, $start_msg, + $start_msg+$this->page_size, $this->sort_field, $this->sort_order); + $result = array_values($a_msg_headers); + if ($slice) + $result = array_slice($result, -$slice, $slice); + return $result; + } + // cache is dirty, sync it + else if ($this->caching_enabled && $cache_status==-1 && !$recursive) { + $this->sync_header_index($mailbox); + return $this->_list_headers($mailbox, $page, $this->sort_field, $this->sort_order, true, $slice); + } + // retrieve headers from IMAP + $a_msg_headers = array(); + + // use message index sort as default sorting (for better performance) + if (!$this->sort_field) { + if ($this->skip_deleted) { + // @TODO: this could be cached + if ($msg_index = $this->_search_index($mailbox, 'ALL UNDELETED')) { + $max = max($msg_index); + list($begin, $end) = $this->_get_message_range(count($msg_index), $page); + $msg_index = array_slice($msg_index, $begin, $end-$begin); + } + } + else if ($max = $this->conn->countMessages($mailbox)) { + list($begin, $end) = $this->_get_message_range($max, $page); + $msg_index = range($begin+1, $end); + } + else + $msg_index = array(); - /** - * Get message count for a specific mailbox - * - * @param string Mailbox/folder name - * @param string Mode for count [ALL|THREADS|UNSEEN|RECENT] - * @param boolean Force reading from server and update cache - * @return int Number of messages - * @access public - */ - function messagecount($mbox_name='', $mode='ALL', $force=false) - { - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - return $this->_messagecount($mailbox, $mode, $force); - } + if ($slice) + $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice); + // fetch reqested headers from server + if ($msg_index) + $this->_fetch_headers($mailbox, join(",", $msg_index), $a_msg_headers, $cache_key); + } + // use SORT command + else if ($this->get_capability('SORT')) { + if ($msg_index = $this->conn->sort($mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')) { + list($begin, $end) = $this->_get_message_range(count($msg_index), $page); + $max = max($msg_index); + $msg_index = array_slice($msg_index, $begin, $end-$begin); + + if ($slice) + $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice); + + // fetch reqested headers from server + $this->_fetch_headers($mailbox, join(',', $msg_index), $a_msg_headers, $cache_key); + } + } + // fetch specified header for all messages and sort + else if ($a_index = $this->conn->fetchHeaderIndex($mailbox, "1:*", $this->sort_field, $this->skip_deleted)) { + asort($a_index); // ASC + $msg_index = array_keys($a_index); + $max = max($msg_index); + list($begin, $end) = $this->_get_message_range(count($msg_index), $page); + $msg_index = array_slice($msg_index, $begin, $end-$begin); - /** - * Private method for getting nr of messages - * - * @access private - * @see rcube_imap::messagecount() - */ - private function _messagecount($mailbox='', $mode='ALL', $force=false) - { - $mode = strtoupper($mode); + if ($slice) + $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice); - if (empty($mailbox)) - $mailbox = $this->mailbox; + // fetch reqested headers from server + $this->_fetch_headers($mailbox, join(",", $msg_index), $a_msg_headers, $cache_key); + } - // count search set - if ($this->search_string && $mailbox == $this->mailbox && ($mode == 'ALL' || $mode == 'THREADS') && !$force) { - if ($this->search_threads) - return $mode == 'ALL' ? count((array)$this->search_set['depth']) : count((array)$this->search_set['tree']); - else - return count((array)$this->search_set); - } - - $a_mailbox_cache = $this->get_cache('messagecount'); + // delete cached messages with a higher index than $max+1 + // Changed $max to $max+1 to fix this bug : #1484295 + $this->clear_message_cache($cache_key, $max + 1); + + // kick child process to sync cache + // ... + + // return empty array if no messages found + if (!is_array($a_msg_headers) || empty($a_msg_headers)) + return array(); - // return cached value - if (!$force && is_array($a_mailbox_cache[$mailbox]) && isset($a_mailbox_cache[$mailbox][$mode])) - return $a_mailbox_cache[$mailbox][$mode]; + // use this class for message sorting + $sorter = new rcube_header_sorter(); + $sorter->set_sequence_numbers($msg_index); + $sorter->sort_headers($a_msg_headers); - if (!is_array($a_mailbox_cache[$mailbox])) - $a_mailbox_cache[$mailbox] = array(); + if ($this->sort_order == 'DESC') + $a_msg_headers = array_reverse($a_msg_headers); - if ($mode == 'THREADS') { - $count = $this->_threadcount($mailbox, $msg_count); - $_SESSION['maxuid'][$mailbox] = $msg_count ? $this->_id2uid($msg_count) : 0; - } - // RECENT count is fetched a bit different - else if ($mode == 'RECENT') { - $count = iil_C_CheckForRecent($this->conn, $mailbox); - } - // use SEARCH for message counting - else if ($this->skip_deleted) { - $search_str = "ALL UNDELETED"; + return array_values($a_msg_headers); + } - // get message count and store in cache - if ($mode == 'UNSEEN') - $search_str .= " UNSEEN"; - // get message count using SEARCH - // not very performant but more precise (using UNDELETED) - // disable THREADS for this request - $threads = $this->threading; - $this->threading = false; - $index = $this->_search_index($mailbox, $search_str); - $this->threading = $threads; - - $count = is_array($index) ? count($index) : 0; + /** + * Private method for listing message headers using threads + * + * @access private + * @see rcube_imap::list_headers + */ + private function _list_thread_headers($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $recursive=false, $slice=0) + { + $this->_set_sort_order($sort_field, $sort_order); - if ($mode == 'ALL') - $_SESSION['maxuid'][$mailbox] = $index ? $this->_id2uid(max($index)) : 0; - } - else { - if ($mode == 'UNSEEN') - $count = iil_C_CountUnseen($this->conn, $mailbox); - else { - $count = iil_C_CountMessages($this->conn, $mailbox); - $_SESSION['maxuid'][$mailbox] = $count ? $this->_id2uid($count) : 0; - } - } + $page = $page ? $page : $this->list_page; +// $cache_key = $mailbox.'.msg'; +// $cache_status = $this->check_cache_status($mailbox, $cache_key); + + // get all threads (default sort order) + list ($thread_tree, $msg_depth, $has_children) = $this->_fetch_threads($mailbox); - $a_mailbox_cache[$mailbox][$mode] = (int)$count; + if (empty($thread_tree)) + return array(); - // write back to cache - $this->update_cache('messagecount', $a_mailbox_cache); + $msg_index = $this->_sort_threads($mailbox, $thread_tree); - return (int)$count; + return $this->_fetch_thread_headers($mailbox, + $thread_tree, $msg_depth, $has_children, $msg_index, $page, $slice); } - /** - * Private method for getting nr of threads - * - * @access private - * @see rcube_imap::messagecount() - */ - private function _threadcount($mailbox, &$msg_count) + /** + * Private method for fetching threads data + * + * @param string Mailbox/folder name + * @return array Array with thread data + * @access private + */ + private function _fetch_threads($mailbox) { - if (!empty($this->icache['threads'])) - return count($this->icache['threads']['tree']); - - list ($thread_tree, $msg_depth, $has_children) = $this->_fetch_threads($mailbox); - - $msg_count = count($msg_depth); - -// $this->update_thread_cache($mailbox, $thread_tree, $msg_depth, $has_children); - return count($thread_tree); - } - - - /** - * Public method for listing headers - * convert mailbox name with root dir first - * - * @param string Mailbox/folder name - * @param int Current page to list - * @param string Header field to sort by - * @param string Sort order [ASC|DESC] - * @param boolean Number of slice items to extract from result array - * @return array Indexed array with message header objects - * @access public - */ - function list_headers($mbox_name='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0) - { - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - return $this->_list_headers($mailbox, $page, $sort_field, $sort_order, false, $slice); - } - - - /** - * Private method for listing message headers - * - * @access private - * @see rcube_imap::list_headers - */ - private function _list_headers($mailbox='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $recursive=false, $slice=0) - { - if (!strlen($mailbox)) - return array(); - - // use saved message set - if ($this->search_string && $mailbox == $this->mailbox) - return $this->_list_header_set($mailbox, $page, $sort_field, $sort_order, $slice); - - if ($this->threading) - return $this->_list_thread_headers($mailbox, $page, $sort_field, $sort_order, $recursive, $slice); - - $this->_set_sort_order($sort_field, $sort_order); - - $page = $page ? $page : $this->list_page; - $cache_key = $mailbox.'.msg'; - $cache_status = $this->check_cache_status($mailbox, $cache_key); - - // cache is OK, we can get all messages from local cache - if ($cache_status>0) - { - $start_msg = ($page-1) * $this->page_size; - $a_msg_headers = $this->get_message_cache($cache_key, $start_msg, $start_msg+$this->page_size, $this->sort_field, $this->sort_order); - $result = array_values($a_msg_headers); - if ($slice) - $result = array_slice($result, -$slice, $slice); - return $result; - } - // cache is dirty, sync it - else if ($this->caching_enabled && $cache_status==-1 && !$recursive) - { - $this->sync_header_index($mailbox); - return $this->_list_headers($mailbox, $page, $this->sort_field, $this->sort_order, true, $slice); - } - - // retrieve headers from IMAP - $a_msg_headers = array(); - - // use message index sort as default sorting (for better performance) - if (!$this->sort_field) - { - if ($this->skip_deleted) { - // @TODO: this could be cached - if ($msg_index = $this->_search_index($mailbox, 'ALL UNDELETED')) { - $max = max($msg_index); - list($begin, $end) = $this->_get_message_range(count($msg_index), $page); - $msg_index = array_slice($msg_index, $begin, $end-$begin); - } - } - else if ($max = iil_C_CountMessages($this->conn, $mailbox)) { - list($begin, $end) = $this->_get_message_range($max, $page); - $msg_index = range($begin+1, $end); + if (empty($this->icache['threads'])) { + // get all threads + list ($thread_tree, $msg_depth, $has_children) = $this->conn->thread( + $mailbox, $this->threading, $this->skip_deleted ? 'UNDELETED' : ''); + + // add to internal (fast) cache + $this->icache['threads'] = array(); + $this->icache['threads']['tree'] = $thread_tree; + $this->icache['threads']['depth'] = $msg_depth; + $this->icache['threads']['has_children'] = $has_children; } - else - $msg_index = array(); - if ($slice) - $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice); + return array( + $this->icache['threads']['tree'], + $this->icache['threads']['depth'], + $this->icache['threads']['has_children'], + ); + } - // fetch reqested headers from server - if ($msg_index) - $this->_fetch_headers($mailbox, join(",", $msg_index), $a_msg_headers, $cache_key); - } - // use SORT command - else if ($this->get_capability('SORT')) - { - if ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')) { + + /** + * Private method for fetching threaded messages headers + * + * @access private + */ + private function _fetch_thread_headers($mailbox, $thread_tree, $msg_depth, $has_children, $msg_index, $page, $slice=0) + { + $cache_key = $mailbox.'.msg'; + // now get IDs for current page list($begin, $end) = $this->_get_message_range(count($msg_index), $page); - $max = max($msg_index); $msg_index = array_slice($msg_index, $begin, $end-$begin); if ($slice) - $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice); + $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice); - // fetch reqested headers from server - $this->_fetch_headers($mailbox, join(',', $msg_index), $a_msg_headers, $cache_key); + if ($this->sort_order == 'DESC') + $msg_index = array_reverse($msg_index); + + // flatten threads array + // @TODO: fetch children only in expanded mode (?) + $all_ids = array(); + foreach($msg_index as $root) { + $all_ids[] = $root; + if (!empty($thread_tree[$root])) + $all_ids = array_merge($all_ids, array_keys_recursive($thread_tree[$root])); } - } - // fetch specified header for all messages and sort - else if ($a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", $this->sort_field, $this->skip_deleted)) - { - asort($a_index); // ASC - $msg_index = array_keys($a_index); - $max = max($msg_index); - list($begin, $end) = $this->_get_message_range(count($msg_index), $page); - $msg_index = array_slice($msg_index, $begin, $end-$begin); - if ($slice) - $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice); + // fetch reqested headers from server + $this->_fetch_headers($mailbox, $all_ids, $a_msg_headers, $cache_key); + + // return empty array if no messages found + if (!is_array($a_msg_headers) || empty($a_msg_headers)) + return array(); + + // use this class for message sorting + $sorter = new rcube_header_sorter(); + $sorter->set_sequence_numbers($all_ids); + $sorter->sort_headers($a_msg_headers); + + // Set depth, has_children and unread_children fields in headers + $this->_set_thread_flags($a_msg_headers, $msg_depth, $has_children); - // fetch reqested headers from server - $this->_fetch_headers($mailbox, join(",", $msg_index), $a_msg_headers, $cache_key); - } + return array_values($a_msg_headers); + } - // delete cached messages with a higher index than $max+1 - // Changed $max to $max+1 to fix this bug : #1484295 - $this->clear_message_cache($cache_key, $max + 1); - // kick child process to sync cache - // ... + /** + * Private method for setting threaded messages flags: + * depth, has_children and unread_children + * + * @param array Reference to headers array indexed by message ID + * @param array Array of messages depth indexed by message ID + * @param array Array of messages children flags indexed by message ID + * @return array Message headers array indexed by message ID + * @access private + */ + private function _set_thread_flags(&$headers, $msg_depth, $msg_children) + { + $parents = array(); - // return empty array if no messages found - if (!is_array($a_msg_headers) || empty($a_msg_headers)) - return array(); - - // use this class for message sorting - $sorter = new rcube_header_sorter(); - $sorter->set_sequence_numbers($msg_index); - $sorter->sort_headers($a_msg_headers); + foreach ($headers as $idx => $header) { + $id = $header->id; + $depth = $msg_depth[$id]; + $parents = array_slice($parents, 0, $depth); - if ($this->sort_order == 'DESC') - $a_msg_headers = array_reverse($a_msg_headers); + if (!empty($parents)) { + $headers[$idx]->parent_uid = end($parents); + if (!$header->seen) + $headers[$parents[0]]->unread_children++; + } + array_push($parents, $header->uid); - return array_values($a_msg_headers); + $headers[$idx]->depth = $depth; + $headers[$idx]->has_children = $msg_children[$id]; + } } - /** - * Private method for listing message headers using threads - * - * @access private - * @see rcube_imap::list_headers - */ - private function _list_thread_headers($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $recursive=false, $slice=0) + /** + * Private method for listing a set of message headers (search results) + * + * @param string Mailbox/folder name + * @param int Current page to list + * @param string Header field to sort by + * @param string Sort order [ASC|DESC] + * @param boolean Number of slice items to extract from result array + * @return array Indexed array with message header objects + * @access private + * @see rcube_imap::list_header_set() + */ + private function _list_header_set($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0) { - $this->_set_sort_order($sort_field, $sort_order); + if (!strlen($mailbox) || empty($this->search_set)) + return array(); - $page = $page ? $page : $this->list_page; -// $cache_key = $mailbox.'.msg'; -// $cache_status = $this->check_cache_status($mailbox, $cache_key); + // use saved messages from searching + if ($this->threading) + return $this->_list_thread_header_set($mailbox, $page, $sort_field, $sort_order, $slice); - // get all threads (default sort order) - list ($thread_tree, $msg_depth, $has_children) = $this->_fetch_threads($mailbox); + // search set is threaded, we need a new one + if ($this->search_threads) + $this->search('', $this->search_string, $this->search_charset, $sort_field); + + $msgs = $this->search_set; + $a_msg_headers = array(); + $page = $page ? $page : $this->list_page; + $start_msg = ($page-1) * $this->page_size; - if (empty($thread_tree)) - return array(); + $this->_set_sort_order($sort_field, $sort_order); - $msg_index = $this->_sort_threads($mailbox, $thread_tree); + // quickest method (default sorting) + if (!$this->search_sort_field && !$this->sort_field) { + if ($sort_order == 'DESC') + $msgs = array_reverse($msgs); - return $this->_fetch_thread_headers($mailbox, $thread_tree, $msg_depth, $has_children, - $msg_index, $page, $slice); - } + // get messages uids for one page + $msgs = array_slice(array_values($msgs), $start_msg, min(count($msgs)-$start_msg, $this->page_size)); + if ($slice) + $msgs = array_slice($msgs, -$slice, $slice); - /** - * Private method for fetching threads data - * - * @param string Mailbox/folder name - * @return array Array with thread data - * @access private - */ - private function _fetch_threads($mailbox) - { - if (empty($this->icache['threads'])) { - // get all threads - list ($thread_tree, $msg_depth, $has_children) = iil_C_Thread($this->conn, - $mailbox, $this->threading, $this->skip_deleted ? 'UNDELETED' : ''); - - // add to internal (fast) cache - $this->icache['threads'] = array(); - $this->icache['threads']['tree'] = $thread_tree; - $this->icache['threads']['depth'] = $msg_depth; - $this->icache['threads']['has_children'] = $has_children; - } - - return array( - $this->icache['threads']['tree'], - $this->icache['threads']['depth'], - $this->icache['threads']['has_children'], - ); - } - - - /** - * Private method for fetching threaded messages headers - * - * @access private - */ - private function _fetch_thread_headers($mailbox, $thread_tree, $msg_depth, $has_children, $msg_index, $page, $slice=0) - { - $cache_key = $mailbox.'.msg'; - // now get IDs for current page - list($begin, $end) = $this->_get_message_range(count($msg_index), $page); - $msg_index = array_slice($msg_index, $begin, $end-$begin); - - if ($slice) - $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice); - - if ($this->sort_order == 'DESC') - $msg_index = array_reverse($msg_index); - - // flatten threads array - // @TODO: fetch children only in expanded mode - $all_ids = array(); - foreach($msg_index as $root) { - $all_ids[] = $root; - if (!empty($thread_tree[$root])) - $all_ids = array_merge($all_ids, array_keys_recursive($thread_tree[$root])); - } - - // fetch reqested headers from server - $this->_fetch_headers($mailbox, $all_ids, $a_msg_headers, $cache_key); - - // return empty array if no messages found - if (!is_array($a_msg_headers) || empty($a_msg_headers)) - return array(); - - // use this class for message sorting - $sorter = new rcube_header_sorter(); - $sorter->set_sequence_numbers($all_ids); - $sorter->sort_headers($a_msg_headers); - - // Set depth, has_children and unread_children fields in headers - $this->_set_thread_flags($a_msg_headers, $msg_depth, $has_children); - - return array_values($a_msg_headers); - } - - - /** - * Private method for setting threaded messages flags: - * depth, has_children and unread_children - * - * @param array Reference to headers array indexed by message ID - * @param array Array of messages depth indexed by message ID - * @param array Array of messages children flags indexed by message ID - * @return array Message headers array indexed by message ID - * @access private - */ - private function _set_thread_flags(&$headers, $msg_depth, $msg_children) - { - $parents = array(); - - foreach ($headers as $idx => $header) { - $id = $header->id; - $depth = $msg_depth[$id]; - $parents = array_slice($parents, 0, $depth); - - if (!empty($parents)) { - $headers[$idx]->parent_uid = end($parents); - if (!$header->seen) - $headers[$parents[0]]->unread_children++; - } - array_push($parents, $header->uid); - - $headers[$idx]->depth = $depth; - $headers[$idx]->has_children = $msg_children[$id]; - } - } - - - /** - * Private method for listing a set of message headers (search results) - * - * @param string Mailbox/folder name - * @param int Current page to list - * @param string Header field to sort by - * @param string Sort order [ASC|DESC] - * @param boolean Number of slice items to extract from result array - * @return array Indexed array with message header objects - * @access private - * @see rcube_imap::list_header_set() - */ - private function _list_header_set($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0) - { - if (!strlen($mailbox) || empty($this->search_set)) - return array(); - - // use saved messages from searching - if ($this->threading) - return $this->_list_thread_header_set($mailbox, $page, $sort_field, $sort_order, $slice); - - // search set is threaded, we need a new one - if ($this->search_threads) - $this->search('', $this->search_string, $this->search_charset, $sort_field); - - $msgs = $this->search_set; - $a_msg_headers = array(); - $page = $page ? $page : $this->list_page; - $start_msg = ($page-1) * $this->page_size; - - $this->_set_sort_order($sort_field, $sort_order); - - // quickest method (default sorting) - if (!$this->search_sort_field && !$this->sort_field) - { - if ($sort_order == 'DESC') - $msgs = array_reverse($msgs); - - // get messages uids for one page - $msgs = array_slice(array_values($msgs), $start_msg, min(count($msgs)-$start_msg, $this->page_size)); - - if ($slice) - $msgs = array_slice($msgs, -$slice, $slice); - - // fetch headers - $this->_fetch_headers($mailbox, join(',',$msgs), $a_msg_headers, NULL); + // fetch headers + $this->_fetch_headers($mailbox, join(',',$msgs), $a_msg_headers, NULL); - // I didn't found in RFC that FETCH always returns messages sorted by index - $sorter = new rcube_header_sorter(); - $sorter->set_sequence_numbers($msgs); - $sorter->sort_headers($a_msg_headers); + // I didn't found in RFC that FETCH always returns messages sorted by index + $sorter = new rcube_header_sorter(); + $sorter->set_sequence_numbers($msgs); + $sorter->sort_headers($a_msg_headers); - return array_values($a_msg_headers); - } + return array_values($a_msg_headers); + } - // sorted messages, so we can first slice array and then fetch only wanted headers - if ($this->get_capability('SORT')) // SORT searching result - { - // reset search set if sorting field has been changed - if ($this->sort_field && $this->search_sort_field != $this->sort_field) - $msgs = $this->search('', $this->search_string, $this->search_charset, $this->sort_field); + // sorted messages, so we can first slice array and then fetch only wanted headers + if ($this->get_capability('SORT')) { // SORT searching result + // reset search set if sorting field has been changed + if ($this->sort_field && $this->search_sort_field != $this->sort_field) + $msgs = $this->search('', $this->search_string, $this->search_charset, $this->sort_field); - // return empty array if no messages found - if (empty($msgs)) - return array(); + // return empty array if no messages found + if (empty($msgs)) + return array(); - if ($sort_order == 'DESC') - $msgs = array_reverse($msgs); + if ($sort_order == 'DESC') + $msgs = array_reverse($msgs); - // get messages uids for one page - $msgs = array_slice(array_values($msgs), $start_msg, min(count($msgs)-$start_msg, $this->page_size)); + // get messages uids for one page + $msgs = array_slice(array_values($msgs), $start_msg, min(count($msgs)-$start_msg, $this->page_size)); - if ($slice) - $msgs = array_slice($msgs, -$slice, $slice); + if ($slice) + $msgs = array_slice($msgs, -$slice, $slice); - // fetch headers - $this->_fetch_headers($mailbox, join(',',$msgs), $a_msg_headers, NULL); + // fetch headers + $this->_fetch_headers($mailbox, join(',',$msgs), $a_msg_headers, NULL); - $sorter = new rcube_header_sorter(); - $sorter->set_sequence_numbers($msgs); - $sorter->sort_headers($a_msg_headers); + $sorter = new rcube_header_sorter(); + $sorter->set_sequence_numbers($msgs); + $sorter->sort_headers($a_msg_headers); - return array_values($a_msg_headers); - } - else { // SEARCH result, need sorting - $cnt = count($msgs); - // 300: experimantal value for best result - if (($cnt > 300 && $cnt > $this->page_size) || !$this->sort_field) { - // use memory less expensive (and quick) method for big result set - $a_index = $this->message_index('', $this->sort_field, $this->sort_order); - // get messages uids for one page... - $msgs = array_slice($a_index, $start_msg, min($cnt-$start_msg, $this->page_size)); - if ($slice) - $msgs = array_slice($msgs, -$slice, $slice); - // ...and fetch headers - $this->_fetch_headers($mailbox, join(',', $msgs), $a_msg_headers, NULL); + return array_values($a_msg_headers); + } + else { // SEARCH result, need sorting + $cnt = count($msgs); + // 300: experimantal value for best result + if (($cnt > 300 && $cnt > $this->page_size) || !$this->sort_field) { + // use memory less expensive (and quick) method for big result set + $a_index = $this->message_index('', $this->sort_field, $this->sort_order); + // get messages uids for one page... + $msgs = array_slice($a_index, $start_msg, min($cnt-$start_msg, $this->page_size)); + if ($slice) + $msgs = array_slice($msgs, -$slice, $slice); + // ...and fetch headers + $this->_fetch_headers($mailbox, join(',', $msgs), $a_msg_headers, NULL); + + // return empty array if no messages found + if (!is_array($a_msg_headers) || empty($a_msg_headers)) + return array(); + + $sorter = new rcube_header_sorter(); + $sorter->set_sequence_numbers($msgs); + $sorter->sort_headers($a_msg_headers); + + return array_values($a_msg_headers); + } + else { + // for small result set we can fetch all messages headers + $this->_fetch_headers($mailbox, join(',', $msgs), $a_msg_headers, NULL); + + // return empty array if no messages found + if (!is_array($a_msg_headers) || empty($a_msg_headers)) + return array(); - // return empty array if no messages found - if (!is_array($a_msg_headers) || empty($a_msg_headers)) - return array(); + // if not already sorted + $a_msg_headers = $this->conn->sortHeaders( + $a_msg_headers, $this->sort_field, $this->sort_order); - $sorter = new rcube_header_sorter(); - $sorter->set_sequence_numbers($msgs); - $sorter->sort_headers($a_msg_headers); + // only return the requested part of the set + $a_msg_headers = array_slice(array_values($a_msg_headers), + $start_msg, min($cnt-$start_msg, $this->page_size)); - return array_values($a_msg_headers); - } - else { - // for small result set we can fetch all messages headers - $this->_fetch_headers($mailbox, join(',', $msgs), $a_msg_headers, NULL); - - // return empty array if no messages found - if (!is_array($a_msg_headers) || empty($a_msg_headers)) - return array(); + if ($slice) + $a_msg_headers = array_slice($a_msg_headers, -$slice, $slice); - // if not already sorted - $a_msg_headers = iil_SortHeaders($a_msg_headers, $this->sort_field, $this->sort_order); + return $a_msg_headers; + } + } + } - // only return the requested part of the set - $a_msg_headers = array_slice(array_values($a_msg_headers), $start_msg, min($cnt-$start_msg, $this->page_size)); - if ($slice) - $a_msg_headers = array_slice($a_msg_headers, -$slice, $slice); - return $a_msg_headers; - } - } - } - - - /** - * Private method for listing a set of threaded message headers (search results) - * - * @param string Mailbox/folder name - * @param int Current page to list - * @param string Header field to sort by - * @param string Sort order [ASC|DESC] - * @param boolean Number of slice items to extract from result array - * @return array Indexed array with message header objects - * @access private - * @see rcube_imap::list_header_set() - */ - private function _list_thread_header_set($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0) - { - // update search_set if previous data was fetched with disabled threading - if (!$this->search_threads) - $this->search('', $this->search_string, $this->search_charset, $sort_field); - - $thread_tree = $this->search_set['tree']; - $msg_depth = $this->search_set['depth']; - $has_children = $this->search_set['children']; - $a_msg_headers = array(); - - $page = $page ? $page : $this->list_page; - $start_msg = ($page-1) * $this->page_size; - - $this->_set_sort_order($sort_field, $sort_order); - - $msg_index = $this->_sort_threads($mailbox, $thread_tree, array_keys($msg_depth)); - - return $this->_fetch_thread_headers($mailbox, $thread_tree, $msg_depth, $has_children, $msg_index, $page, $slice=0); - } - - - /** - * Helper function to get first and last index of the requested set - * - * @param int message count - * @param mixed page number to show, or string 'all' - * @return array array with two values: first index, last index - * @access private - */ - private function _get_message_range($max, $page) - { - $start_msg = ($page-1) * $this->page_size; - - if ($page=='all') - { - $begin = 0; - $end = $max; - } - else if ($this->sort_order=='DESC') - { - $begin = $max - $this->page_size - $start_msg; - $end = $max - $start_msg; - } - else - { - $begin = $start_msg; - $end = $start_msg + $this->page_size; - } - - if ($begin < 0) $begin = 0; - if ($end < 0) $end = $max; - if ($end > $max) $end = $max; - - return array($begin, $end); - } - - - /** - * Fetches message headers - * Used for loop - * - * @param string Mailbox name - * @param string Message index to fetch - * @param array Reference to message headers array - * @param array Array with cache index - * @return int Messages count - * @access private - */ - private function _fetch_headers($mailbox, $msgs, &$a_msg_headers, $cache_key) - { - // fetch reqested headers from server - $a_header_index = iil_C_FetchHeaders($this->conn, $mailbox, $msgs, false, false, $this->fetch_add_headers); - - if (empty($a_header_index)) - return 0; - - // cache is incomplete - $cache_index = $this->get_message_cache_index($cache_key); - - foreach ($a_header_index as $i => $headers) { - if ($this->caching_enabled && $cache_index[$headers->id] != $headers->uid) { - // prevent index duplicates - if ($cache_index[$headers->id]) { - $this->remove_message_cache($cache_key, $headers->id, true); - unset($cache_index[$headers->id]); - } - // add message to cache - $this->add_message_cache($cache_key, $headers->id, $headers, NULL, - !in_array($headers->uid, $cache_index)); + /** + * Private method for listing a set of threaded message headers (search results) + * + * @param string Mailbox/folder name + * @param int Current page to list + * @param string Header field to sort by + * @param string Sort order [ASC|DESC] + * @param boolean Number of slice items to extract from result array + * @return array Indexed array with message header objects + * @access private + * @see rcube_imap::list_header_set() + */ + private function _list_thread_header_set($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0) + { + // update search_set if previous data was fetched with disabled threading + if (!$this->search_threads) + $this->search('', $this->search_string, $this->search_charset, $sort_field); + + $thread_tree = $this->search_set['tree']; + $msg_depth = $this->search_set['depth']; + $has_children = $this->search_set['children']; + $a_msg_headers = array(); + + $page = $page ? $page : $this->list_page; + $start_msg = ($page-1) * $this->page_size; + + $this->_set_sort_order($sort_field, $sort_order); + + $msg_index = $this->_sort_threads($mailbox, $thread_tree, array_keys($msg_depth)); + + return $this->_fetch_thread_headers($mailbox, + $thread_tree, $msg_depth, $has_children, $msg_index, $page, $slice=0); + } + + + /** + * Helper function to get first and last index of the requested set + * + * @param int message count + * @param mixed page number to show, or string 'all' + * @return array array with two values: first index, last index + * @access private + */ + private function _get_message_range($max, $page) + { + $start_msg = ($page-1) * $this->page_size; + + if ($page=='all') { + $begin = 0; + $end = $max; + } + else if ($this->sort_order=='DESC') { + $begin = $max - $this->page_size - $start_msg; + $end = $max - $start_msg; + } + else { + $begin = $start_msg; + $end = $start_msg + $this->page_size; } - $a_msg_headers[$headers->uid] = $headers; - } + if ($begin < 0) $begin = 0; + if ($end < 0) $end = $max; + if ($end > $max) $end = $max; + + return array($begin, $end); + } + - return count($a_msg_headers); + /** + * Fetches message headers + * Used for loop + * + * @param string Mailbox name + * @param string Message index to fetch + * @param array Reference to message headers array + * @param array Array with cache index + * @return int Messages count + * @access private + */ + private function _fetch_headers($mailbox, $msgs, &$a_msg_headers, $cache_key) + { + // fetch reqested headers from server + $a_header_index = $this->conn->fetchHeaders( + $mailbox, $msgs, false, false, $this->fetch_add_headers); + + if (empty($a_header_index)) + return 0; + + // cache is incomplete + $cache_index = $this->get_message_cache_index($cache_key); + + foreach ($a_header_index as $i => $headers) { + if ($this->caching_enabled && $cache_index[$headers->id] != $headers->uid) { + // prevent index duplicates + if ($cache_index[$headers->id]) { + $this->remove_message_cache($cache_key, $headers->id, true); + unset($cache_index[$headers->id]); + } + // add message to cache + $this->add_message_cache($cache_key, $headers->id, $headers, NULL, + !in_array($headers->uid, $cache_index)); + } + + $a_msg_headers[$headers->uid] = $headers; + } + + return count($a_msg_headers); } - /** - * Fetches IDS of pseudo recent messages. - * - * We compare the maximum UID to determine the number of - * new messages because the RECENT flag is not reliable. - * - * @param string Mailbox/folder name - * @return array List of recent message UIDs - */ - function recent_uids($mbox_name = null, $nofetch = false) - { - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - $old_maxuid = intval($_SESSION['maxuid'][$mailbox]); - - // refresh message count -> will update $_SESSION['maxuid'][$mailbox] - $this->_messagecount($mailbox, 'ALL', true); - - if ($_SESSION['maxuid'][$mailbox] > $old_maxuid) { - $maxuid = max(1, $old_maxuid+1); - return array_values((array)iil_C_FetchHeaderIndex($this->conn, $mailbox, "$maxuid:*", 'UID', $this->skip_deleted, true)); - } - - return array(); - } + /** + * Fetches IDS of pseudo recent messages. + * + * We compare the maximum UID to determine the number of + * new messages because the RECENT flag is not reliable. + * + * @param string Mailbox/folder name + * @return array List of recent message UIDs + */ + function recent_uids($mbox_name = null, $nofetch = false) + { + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + $old_maxuid = intval($_SESSION['maxuid'][$mailbox]); + + // refresh message count -> will update $_SESSION['maxuid'][$mailbox] + $this->_messagecount($mailbox, 'ALL', true); + + if ($_SESSION['maxuid'][$mailbox] > $old_maxuid) { + $maxuid = max(1, $old_maxuid+1); + return array_values((array)$this->conn->fetchHeaderIndex( + $mailbox, "$maxuid:*", 'UID', $this->skip_deleted, true)); + } + + return array(); + } - /** - * Return sorted array of message IDs (not UIDs) - * - * @param string Mailbox to get index from - * @param string Sort column - * @param string Sort order [ASC, DESC] - * @return array Indexed array with message ids - */ - function message_index($mbox_name='', $sort_field=NULL, $sort_order=NULL) - { - if ($this->threading) - return $this->thread_index($mbox_name, $sort_field, $sort_order); + /** + * Return sorted array of message IDs (not UIDs) + * + * @param string Mailbox to get index from + * @param string Sort column + * @param string Sort order [ASC, DESC] + * @return array Indexed array with message ids + */ + function message_index($mbox_name='', $sort_field=NULL, $sort_order=NULL) + { + if ($this->threading) + return $this->thread_index($mbox_name, $sort_field, $sort_order); + + $this->_set_sort_order($sort_field, $sort_order); + + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + $key = "{$mailbox}:{$this->sort_field}:{$this->sort_order}:{$this->search_string}.msgi"; + + // we have a saved search result, get index from there + if (!isset($this->cache[$key]) && $this->search_string + && !$this->search_threads && $mailbox == $this->mailbox) { + // use message index sort as default sorting + if (!$this->sort_field) { + $msgs = $this->search_set; + + if ($this->search_sort_field != 'date') + sort($msgs); + + if ($this->sort_order == 'DESC') + $this->cache[$key] = array_reverse($msgs); + else + $this->cache[$key] = $msgs; + } + // sort with SORT command + else if ($this->get_capability('SORT')) { + if ($this->sort_field && $this->search_sort_field != $this->sort_field) + $this->search('', $this->search_string, $this->search_charset, $this->sort_field); + + if ($this->sort_order == 'DESC') + $this->cache[$key] = array_reverse($this->search_set); + else + $this->cache[$key] = $this->search_set; + } + else { + $a_index = $this->conn->fetchHeaderIndex($mailbox, + join(',', $this->search_set), $this->sort_field, $this->skip_deleted); + + if (is_array($a_index)) { + if ($this->sort_order=="ASC") + asort($a_index); + else if ($this->sort_order=="DESC") + arsort($a_index); + + $this->cache[$key] = array_keys($a_index); + } + else { + $this->cache[$key] = array(); + } + } + } - $this->_set_sort_order($sort_field, $sort_order); + // have stored it in RAM + if (isset($this->cache[$key])) + return $this->cache[$key]; - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - $key = "{$mailbox}:{$this->sort_field}:{$this->sort_order}:{$this->search_string}.msgi"; + // check local cache + $cache_key = $mailbox.'.msg'; + $cache_status = $this->check_cache_status($mailbox, $cache_key); - // we have a saved search result, get index from there - if (!isset($this->cache[$key]) && $this->search_string - && !$this->search_threads && $mailbox == $this->mailbox) - { - $this->cache[$key] = array(); - - // use message index sort as default sorting - if (!$this->sort_field) - { - $msgs = $this->search_set; + // cache is OK + if ($cache_status>0) { + $a_index = $this->get_message_cache_index($cache_key, + true, $this->sort_field, $this->sort_order); + return array_keys($a_index); + } - if ($this->search_sort_field != 'date') - sort($msgs); + // use message index sort as default sorting + if (!$this->sort_field) { + if ($this->skip_deleted) { + $a_index = $this->_search_index($mailbox, 'ALL'); + } else if ($max = $this->_messagecount($mailbox)) { + $a_index = range(1, $max); + } - if ($this->sort_order == 'DESC') - $this->cache[$key] = array_reverse($msgs); - else - $this->cache[$key] = $msgs; - } - // sort with SORT command - else if ($this->get_capability('SORT')) - { - if ($this->sort_field && $this->search_sort_field != $this->sort_field) - $this->search('', $this->search_string, $this->search_charset, $this->sort_field); + if ($this->sort_order == 'DESC') + $a_index = array_reverse($a_index); - if ($this->sort_order == 'DESC') - $this->cache[$key] = array_reverse($this->search_set); - else - $this->cache[$key] = $this->search_set; - } - else - { - $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, - join(',', $this->search_set), $this->sort_field, $this->skip_deleted); - - if ($this->sort_order=="ASC") - asort($a_index); - else if ($this->sort_order=="DESC") - arsort($a_index); - - $this->cache[$key] = array_keys($a_index); - } - } - - // have stored it in RAM - if (isset($this->cache[$key])) - return $this->cache[$key]; - - // check local cache - $cache_key = $mailbox.'.msg'; - $cache_status = $this->check_cache_status($mailbox, $cache_key); - - // cache is OK - if ($cache_status>0) - { - $a_index = $this->get_message_cache_index($cache_key, true, $this->sort_field, $this->sort_order); - return array_keys($a_index); - } - - // use message index sort as default sorting - if (!$this->sort_field) - { - if ($this->skip_deleted) { - $a_index = $this->_search_index($mailbox, 'ALL'); - } else if ($max = $this->_messagecount($mailbox)) { - $a_index = range(1, $max); - } - - if ($this->sort_order == 'DESC') - $a_index = array_reverse($a_index); - - $this->cache[$key] = $a_index; - } - // fetch complete message index - else if ($this->get_capability('SORT')) - { - if ($a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')) { - if ($this->sort_order == 'DESC') - $a_index = array_reverse($a_index); + $this->cache[$key] = $a_index; + } + // fetch complete message index + else if ($this->get_capability('SORT')) { + if ($a_index = $this->conn->sort($mailbox, + $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')) { + if ($this->sort_order == 'DESC') + $a_index = array_reverse($a_index); - $this->cache[$key] = $a_index; - } - } - else if ($a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", $this->sort_field, $this->skip_deleted)) { - if ($this->sort_order=="ASC") - asort($a_index); - else if ($this->sort_order=="DESC") - arsort($a_index); + $this->cache[$key] = $a_index; + } + } + else if ($a_index = $this->conn->fetchHeaderIndex( + $mailbox, "1:*", $this->sort_field, $this->skip_deleted)) { + if ($this->sort_order=="ASC") + asort($a_index); + else if ($this->sort_order=="DESC") + arsort($a_index); - $this->cache[$key] = array_keys($a_index); - } + $this->cache[$key] = array_keys($a_index); + } - return $this->cache[$key]; + return $this->cache[$key]; } - /** - * Return sorted array of threaded message IDs (not UIDs) - * - * @param string Mailbox to get index from - * @param string Sort column - * @param string Sort order [ASC, DESC] - * @return array Indexed array with message IDs - */ - function thread_index($mbox_name='', $sort_field=NULL, $sort_order=NULL) + /** + * Return sorted array of threaded message IDs (not UIDs) + * + * @param string Mailbox to get index from + * @param string Sort column + * @param string Sort order [ASC, DESC] + * @return array Indexed array with message IDs + */ + function thread_index($mbox_name='', $sort_field=NULL, $sort_order=NULL) { - $this->_set_sort_order($sort_field, $sort_order); + $this->_set_sort_order($sort_field, $sort_order); - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - $key = "{$mailbox}:{$this->sort_field}:{$this->sort_order}:{$this->search_string}.thi"; + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + $key = "{$mailbox}:{$this->sort_field}:{$this->sort_order}:{$this->search_string}.thi"; - // we have a saved search result, get index from there - if (!isset($this->cache[$key]) && $this->search_string - && $this->search_threads && $mailbox == $this->mailbox) - { - // use message IDs for better performance - $ids = array_keys_recursive($this->search_set['tree']); - $this->cache[$key] = $this->_flatten_threads($mailbox, $this->search_set['tree'], $ids); - } + // we have a saved search result, get index from there + if (!isset($this->cache[$key]) && $this->search_string + && $this->search_threads && $mailbox == $this->mailbox) { + // use message IDs for better performance + $ids = array_keys_recursive($this->search_set['tree']); + $this->cache[$key] = $this->_flatten_threads($mailbox, $this->search_set['tree'], $ids); + } - // have stored it in RAM - if (isset($this->cache[$key])) - return $this->cache[$key]; + // have stored it in RAM + if (isset($this->cache[$key])) + return $this->cache[$key]; /* - // check local cache - $cache_key = $mailbox.'.msg'; - $cache_status = $this->check_cache_status($mailbox, $cache_key); - - // cache is OK - if ($cache_status>0) - { - $a_index = $this->get_message_cache_index($cache_key, true, $this->sort_field, $this->sort_order); - return array_keys($a_index); - } + // check local cache + $cache_key = $mailbox.'.msg'; + $cache_status = $this->check_cache_status($mailbox, $cache_key); + + // cache is OK + if ($cache_status>0) { + $a_index = $this->get_message_cache_index($cache_key, true, $this->sort_field, $this->sort_order); + return array_keys($a_index); + } */ - // get all threads (default sort order) - list ($thread_tree) = $this->_fetch_threads($mailbox); + // get all threads (default sort order) + list ($thread_tree) = $this->_fetch_threads($mailbox); - $this->cache[$key] = $this->_flatten_threads($mailbox, $thread_tree); + $this->cache[$key] = $this->_flatten_threads($mailbox, $thread_tree); - return $this->cache[$key]; + return $this->cache[$key]; } - /** - * Return array of threaded messages (all, not only roots) - * - * @param string Mailbox to get index from - * @param array Threaded messages array (see _fetch_threads()) - * @param array Message IDs if we know what we need (e.g. search result) - * for better performance - * @return array Indexed array with message IDs - * - * @access private - */ - private function _flatten_threads($mailbox, $thread_tree, $ids=null) + /** + * Return array of threaded messages (all, not only roots) + * + * @param string Mailbox to get index from + * @param array Threaded messages array (see _fetch_threads()) + * @param array Message IDs if we know what we need (e.g. search result) + * for better performance + * @return array Indexed array with message IDs + * + * @access private + */ + private function _flatten_threads($mailbox, $thread_tree, $ids=null) { - if (empty($thread_tree)) - return array(); + if (empty($thread_tree)) + return array(); - $msg_index = $this->_sort_threads($mailbox, $thread_tree, $ids); + $msg_index = $this->_sort_threads($mailbox, $thread_tree, $ids); - if ($this->sort_order == 'DESC') - $msg_index = array_reverse($msg_index); + if ($this->sort_order == 'DESC') + $msg_index = array_reverse($msg_index); - // flatten threads array - $all_ids = array(); - foreach($msg_index as $root) { - $all_ids[] = $root; - if (!empty($thread_tree[$root])) - $all_ids = array_merge($all_ids, array_keys_recursive($thread_tree[$root])); - } + // flatten threads array + $all_ids = array(); + foreach($msg_index as $root) { + $all_ids[] = $root; + if (!empty($thread_tree[$root])) + $all_ids = array_merge($all_ids, array_keys_recursive($thread_tree[$root])); + } - return $all_ids; + return $all_ids; } - /** - * @access private - */ - private function sync_header_index($mailbox) + /** + * @access private + */ + private function sync_header_index($mailbox) { - $cache_key = $mailbox.'.msg'; - $cache_index = $this->get_message_cache_index($cache_key); + $cache_key = $mailbox.'.msg'; + $cache_index = $this->get_message_cache_index($cache_key); - // fetch complete message index - $a_message_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", 'UID', $this->skip_deleted); + // fetch complete message index + $a_message_index = $this->conn->fetchHeaderIndex($mailbox, "1:*", 'UID', $this->skip_deleted); - if ($a_message_index === false) - return false; + if ($a_message_index === false) + return false; - foreach ($a_message_index as $id => $uid) - { - // message in cache at correct position - if ($cache_index[$id] == $uid) - { - unset($cache_index[$id]); - continue; - } - - // message in cache but in wrong position - if (in_array((string)$uid, $cache_index, true)) - { - unset($cache_index[$id]); - } + foreach ($a_message_index as $id => $uid) { + // message in cache at correct position + if ($cache_index[$id] == $uid) { + unset($cache_index[$id]); + continue; + } + + // message in cache but in wrong position + if (in_array((string)$uid, $cache_index, true)) { + unset($cache_index[$id]); + } - // other message at this position - if (isset($cache_index[$id])) - { - $for_remove[] = $cache_index[$id]; - unset($cache_index[$id]); - } + // other message at this position + if (isset($cache_index[$id])) { + $for_remove[] = $cache_index[$id]; + unset($cache_index[$id]); + } - $for_update[] = $id; - } - - // clear messages at wrong positions and those deleted that are still in cache_index - if (!empty($for_remove)) - $cache_index = array_merge($cache_index, $for_remove); - - if (!empty($cache_index)) - $this->remove_message_cache($cache_key, $cache_index); - - // fetch complete headers and add to cache - if (!empty($for_update)) { - if ($headers = iil_C_FetchHeader($this->conn, $mailbox, join(',', $for_update), false, $this->fetch_add_headers)) - foreach ($headers as $header) - $this->add_message_cache($cache_key, $header->id, $header, NULL, - in_array($header->uid, (array)$for_remove)); - } - } - - - /** - * Invoke search request to IMAP server - * - * @param string mailbox name to search in - * @param string search string - * @param string search string charset - * @param string header field to sort by - * @return array search results as list of message ids - * @access public - */ - function search($mbox_name='', $str=NULL, $charset=NULL, $sort_field=NULL) - { - if (!$str) - return false; - - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - - $results = $this->_search_index($mailbox, $str, $charset, $sort_field); - - // try search with US-ASCII charset (should be supported by server) - // only if UTF-8 search is not supported - if (empty($results) && !is_array($results) && !empty($charset) && $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, $charset, 'US-ASCII'); - if (!$string) continue; - $res .= sprintf("%s{%d}\r\n%s", substr($str, $last, $m[1] - $last - 1), strlen($string), $string); - $last = $m[0] + $string_offset - 1; + $for_update[] = $id; } - if ($last < strlen($str)) - $res .= substr($str, $last, strlen($str)-$last); - } - else // strings for conversion not found - $res = $str; - $results = $this->search($mbox_name, $res, NULL, $sort_field); + // clear messages at wrong positions and those deleted that are still in cache_index + if (!empty($for_remove)) + $cache_index = array_merge($cache_index, $for_remove); + + if (!empty($cache_index)) + $this->remove_message_cache($cache_key, $cache_index); + + // fetch complete headers and add to cache + if (!empty($for_update)) { + if ($headers = $this->conn->fetchHeader($mailbox, + join(',', $for_update), false, $this->fetch_add_headers)) { + foreach ($headers as $header) { + $this->add_message_cache($cache_key, $header->id, $header, NULL, + in_array($header->uid, (array)$for_remove)); + } + } + } } - $this->set_search_set($str, $results, $charset, $sort_field, (bool)$this->threading); - return $results; + /** + * Invoke search request to IMAP server + * + * @param string mailbox name to search in + * @param string search string + * @param string search string charset + * @param string header field to sort by + * @return array search results as list of message ids + * @access public + */ + function search($mbox_name='', $str=NULL, $charset=NULL, $sort_field=NULL) + { + if (!$str) + return false; + + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + + $results = $this->_search_index($mailbox, $str, $charset, $sort_field); + + // try search with US-ASCII charset (should be supported by server) + // only if UTF-8 search is not supported + if (empty($results) && !is_array($results) && !empty($charset) && $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, $charset, 'US-ASCII'); + if (!$string) + continue; + $res .= sprintf("%s{%d}\r\n%s", substr($str, $last, $m[1] - $last - 1), strlen($string), $string); + $last = $m[0] + $string_offset - 1; + } + if ($last < strlen($str)) + $res .= substr($str, $last, strlen($str)-$last); + } + else // strings for conversion not found + $res = $str; + + $results = $this->search($mbox_name, $res, NULL, $sort_field); + } + + $this->set_search_set($str, $results, $charset, $sort_field, (bool)$this->threading); + + return $results; } - /** - * Private search method - * - * @return array search results as list of message ids - * @access private - * @see rcube_imap::search() - */ - private function _search_index($mailbox, $criteria='ALL', $charset=NULL, $sort_field=NULL) + /** + * Private search method + * + * @return array search results as list of message ids + * @access private + * @see rcube_imap::search() + */ + private function _search_index($mailbox, $criteria='ALL', $charset=NULL, $sort_field=NULL) { - $orig_criteria = $criteria; + $orig_criteria = $criteria; - if ($this->skip_deleted && !preg_match('/UNDELETED/', $criteria)) - $criteria = 'UNDELETED '.$criteria; + if ($this->skip_deleted && !preg_match('/UNDELETED/', $criteria)) + $criteria = 'UNDELETED '.$criteria; - if ($this->threading) { - list ($thread_tree, $msg_depth, $has_children) = iil_C_Thread($this->conn, - $mailbox, $this->threading, $criteria, $charset); + if ($this->threading) { + list ($thread_tree, $msg_depth, $has_children) = $this->conn->thread( + $mailbox, $this->threading, $criteria, $charset); - $a_messages = array( - 'tree' => $thread_tree, - 'depth' => $msg_depth, - 'children' => $has_children - ); - } - else if ($sort_field && $this->get_capability('SORT')) { - $charset = $charset ? $charset : $this->default_charset; - $a_messages = iil_C_Sort($this->conn, $mailbox, $sort_field, $criteria, false, $charset); - - if (!$a_messages) - return array(); - } - else { - if ($orig_criteria == 'ALL') { - $max = $this->_messagecount($mailbox); - $a_messages = $max ? range(1, $max) : array(); - } - else { - $a_messages = iil_C_Search($this->conn, $mailbox, ($charset ? "CHARSET $charset " : '') . $criteria); - - if (!$a_messages) - return array(); - - // I didn't found that SEARCH always returns sorted IDs - if (!$this->sort_field) - sort($a_messages); - } - } - // update messagecount cache ? -// $a_mailbox_cache = get_cache('messagecount'); -// $a_mailbox_cache[$mailbox][$criteria] = sizeof($a_messages); -// $this->update_cache('messagecount', $a_mailbox_cache); + $a_messages = array( + 'tree' => $thread_tree, + 'depth' => $msg_depth, + 'children' => $has_children + ); + } + else if ($sort_field && $this->get_capability('SORT')) { + $charset = $charset ? $charset : $this->default_charset; + $a_messages = $this->conn->sort($mailbox, $sort_field, $criteria, false, $charset); + + if (!$a_messages) + return array(); + } + else { + if ($orig_criteria == 'ALL') { + $max = $this->_messagecount($mailbox); + $a_messages = $max ? range(1, $max) : array(); + } + else { + $a_messages = $this->conn->search($mailbox, + ($charset ? "CHARSET $charset " : '') . $criteria); + + if (!$a_messages) + return array(); + + // I didn't found that SEARCH always returns sorted IDs + if (!$this->sort_field) + sort($a_messages); + } + } + + // update messagecount cache ? +// $a_mailbox_cache = get_cache('messagecount'); +// $a_mailbox_cache[$mailbox][$criteria] = sizeof($a_messages); +// $this->update_cache('messagecount', $a_mailbox_cache); - return $a_messages; + return $a_messages; } - /** - * Sort thread - * - * @param string Mailbox name - * @param array Unsorted thread tree (iil_C_Thread() result) - * @param array Message IDs if we know what we need (e.g. search result) - * @return array Sorted roots IDs - * @access private - */ - private function _sort_threads($mailbox, $thread_tree, $ids=NULL) - { - // THREAD=ORDEREDSUBJECT: sorting by sent date of root message - // THREAD=REFERENCES: sorting by sent date of root message - // THREAD=REFS: sorting by the most recent date in each thread - // default sorting - if (!$this->sort_field || ($this->sort_field == 'date' && $this->threading == 'REFS')) { - return array_keys((array)$thread_tree); - } - // here we'll implement REFS sorting, for performance reason - else { // ($sort_field == 'date' && $this->threading != 'REFS') - // use SORT command - if ($this->get_capability('SORT')) { - $a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, - !empty($ids) ? $ids : ($this->skip_deleted ? 'UNDELETED' : '')); - - // return unsorted tree if we've got no index data - if (!$a_index) - return array_keys((array)$thread_tree); - } - else { - // fetch specified headers for all messages and sort them - $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, !empty($ids) ? $ids : "1:*", - $this->sort_field, $this->skip_deleted); - - // return unsorted tree if we've got no index data - if (!$a_index) - return array_keys((array)$thread_tree); - - asort($a_index); // ASC - $a_index = array_values($a_index); - } - - return $this->_sort_thread_refs($thread_tree, $a_index); - } - } - - - /** - * THREAD=REFS sorting implementation - * - * @param array Thread tree array (message identifiers as keys) - * @param array Array of sorted message identifiers - * @return array Array of sorted roots messages - * @access private - */ - private function _sort_thread_refs($tree, $index) - { - if (empty($tree)) - return array(); - - $index = array_combine(array_values($index), $index); - - // assign roots - foreach ($tree as $idx => $val) { - $index[$idx] = $idx; - if (!empty($val)) { - $idx_arr = array_keys_recursive($tree[$idx]); - foreach ($idx_arr as $subidx) - $index[$subidx] = $idx; - } - } - - $index = array_values($index); - - // create sorted array of roots - $msg_index = array(); - if ($this->sort_order != 'DESC') { - foreach ($index as $idx) - if (!isset($msg_index[$idx])) - $msg_index[$idx] = $idx; - $msg_index = array_values($msg_index); - } - else { - for ($x=count($index)-1; $x>=0; $x--) - if (!isset($msg_index[$index[$x]])) - $msg_index[$index[$x]] = $index[$x]; - $msg_index = array_reverse($msg_index); - } - - return $msg_index; - } - - - /** - * Refresh saved search set - * - * @return array Current search set - */ - function refresh_search() - { - if (!empty($this->search_string)) - $this->search_set = $this->search('', $this->search_string, $this->search_charset, - $this->search_sort_field, $this->search_threads); + /** + * Sort thread + * + * @param string Mailbox name + * @param array Unsorted thread tree (rcube_imap_generic::thread() result) + * @param array Message IDs if we know what we need (e.g. search result) + * @return array Sorted roots IDs + * @access private + */ + private function _sort_threads($mailbox, $thread_tree, $ids=NULL) + { + // THREAD=ORDEREDSUBJECT: sorting by sent date of root message + // THREAD=REFERENCES: sorting by sent date of root message + // THREAD=REFS: sorting by the most recent date in each thread + // default sorting + if (!$this->sort_field || ($this->sort_field == 'date' && $this->threading == 'REFS')) { + return array_keys((array)$thread_tree); + } + // here we'll implement REFS sorting, for performance reason + else { // ($sort_field == 'date' && $this->threading != 'REFS') + // use SORT command + if ($this->get_capability('SORT')) { + $a_index = $this->conn->sort($mailbox, $this->sort_field, + !empty($ids) ? $ids : ($this->skip_deleted ? 'UNDELETED' : '')); + + // return unsorted tree if we've got no index data + if (!$a_index) + return array_keys((array)$thread_tree); + } + else { + // fetch specified headers for all messages and sort them + $a_index = $this->conn->fetchHeaderIndex($mailbox, !empty($ids) ? $ids : "1:*", + $this->sort_field, $this->skip_deleted); + + // return unsorted tree if we've got no index data + if (!$a_index) + return array_keys((array)$thread_tree); + + asort($a_index); // ASC + $a_index = array_values($a_index); + } + + return $this->_sort_thread_refs($thread_tree, $a_index); + } + } + + + /** + * THREAD=REFS sorting implementation + * + * @param array Thread tree array (message identifiers as keys) + * @param array Array of sorted message identifiers + * @return array Array of sorted roots messages + * @access private + */ + private function _sort_thread_refs($tree, $index) + { + if (empty($tree)) + return array(); + + $index = array_combine(array_values($index), $index); + + // assign roots + foreach ($tree as $idx => $val) { + $index[$idx] = $idx; + if (!empty($val)) { + $idx_arr = array_keys_recursive($tree[$idx]); + foreach ($idx_arr as $subidx) + $index[$subidx] = $idx; + } + } + + $index = array_values($index); + + // create sorted array of roots + $msg_index = array(); + if ($this->sort_order != 'DESC') { + foreach ($index as $idx) + if (!isset($msg_index[$idx])) + $msg_index[$idx] = $idx; + $msg_index = array_values($msg_index); + } + else { + for ($x=count($index)-1; $x>=0; $x--) + if (!isset($msg_index[$index[$x]])) + $msg_index[$index[$x]] = $index[$x]; + $msg_index = array_reverse($msg_index); + } + + return $msg_index; + } + + + /** + * Refresh saved search set + * + * @return array Current search set + */ + function refresh_search() + { + if (!empty($this->search_string)) + $this->search_set = $this->search('', $this->search_string, $this->search_charset, + + $this->search_sort_field, $this->search_threads); - return $this->get_search_set(); + return $this->get_search_set(); } - /** - * Check if the given message ID is part of the current search set - * - * @return boolean True on match or if no search request is stored - */ - function in_searchset($msgid) - { - if (!empty($this->search_string)) - return in_array("$msgid", (array)$this->search_set, true); - else - return true; - } - - - /** - * Return message headers object of a specific message - * - * @param int Message ID - * @param string Mailbox to read from - * @param boolean True if $id is the message UID - * @param boolean True if we need also BODYSTRUCTURE in headers - * @return object Message headers representation - */ - function get_headers($id, $mbox_name=NULL, $is_uid=true, $bodystr=false) - { - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - $uid = $is_uid ? $id : $this->_id2uid($id); - - // get cached headers - if ($uid && ($headers = &$this->get_cached_message($mailbox.'.msg', $uid))) - return $headers; - - $headers = iil_C_FetchHeader($this->conn, $mailbox, $id, $is_uid, $bodystr, $this->fetch_add_headers); - - // write headers cache - if ($headers) - { - if ($headers->uid && $headers->id) - $this->uid_id_map[$mailbox][$headers->uid] = $headers->id; - - $this->add_message_cache($mailbox.'.msg', $headers->id, $headers, NULL, true); - } - - return $headers; - } - - - /** - * Fetch body structure from the IMAP server and build - * an object structure similar to the one generated by PEAR::Mail_mimeDecode - * - * @param int Message UID to fetch - * @param string Message BODYSTRUCTURE string (optional) - * @return object rcube_message_part Message part tree or False on failure - */ - function &get_structure($uid, $structure_str='') - { - $cache_key = $this->mailbox.'.msg'; - $headers = &$this->get_cached_message($cache_key, $uid); - - // return cached message structure - if (is_object($headers) && is_object($headers->structure)) { - return $headers->structure; - } - - if (!$structure_str) - $structure_str = iil_C_FetchStructureString($this->conn, $this->mailbox, $uid, true); - $structure = iml_GetRawStructureArray($structure_str); - $struct = false; - - // parse structure and add headers - if (!empty($structure)) - { - $headers = $this->get_headers($uid); - $this->_msg_id = $headers->id; - - // set message charset from message headers - if ($headers->charset) - $this->struct_charset = $headers->charset; - else - $this->struct_charset = $this->_structure_charset($structure); - - // 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" ("charset" "us-ascii") NIL NIL "7bit" 2154 70 NIL NIL NIL) - if ($headers->ctype && $headers->ctype != 'text/plain' - && $structure[0] == 'text' && $structure[1] == 'plain') { - return false; - } + /** + * Check if the given message ID is part of the current search set + * + * @return boolean True on match or if no search request is stored + */ + function in_searchset($msgid) + { + if (!empty($this->search_string)) { + if ($this->search_threads) + return isset($this->search_set['depth']["$msgid"]); + else + return in_array("$msgid", (array)$this->search_set, true); + } + else + return true; + } - $struct = &$this->_structure_part($structure); - $struct->headers = get_object_vars($headers); - // don't trust given content-type - if (empty($struct->parts) && !empty($struct->headers['ctype'])) - { - $struct->mime_id = '1'; - $struct->mimetype = strtolower($struct->headers['ctype']); - list($struct->ctype_primary, $struct->ctype_secondary) = explode('/', $struct->mimetype); + /** + * Return message headers object of a specific message + * + * @param int Message ID + * @param string Mailbox to read from + * @param boolean True if $id is the message UID + * @param boolean True if we need also BODYSTRUCTURE in headers + * @return object Message headers representation + */ + function get_headers($id, $mbox_name=NULL, $is_uid=true, $bodystr=false) + { + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + $uid = $is_uid ? $id : $this->_id2uid($id); + + // get cached headers + if ($uid && ($headers = &$this->get_cached_message($mailbox.'.msg', $uid))) + return $headers; + + $headers = $this->conn->fetchHeader( + $mailbox, $id, $is_uid, $bodystr, $this->fetch_add_headers); + + // write headers cache + if ($headers) { + if ($headers->uid && $headers->id) + $this->uid_id_map[$mailbox][$headers->uid] = $headers->id; + + $this->add_message_cache($mailbox.'.msg', $headers->id, $headers, NULL, true); + } + + return $headers; + } + + + /** + * Fetch body structure from the IMAP server and build + * an object structure similar to the one generated by PEAR::Mail_mimeDecode + * + * @param int Message UID to fetch + * @param string Message BODYSTRUCTURE string (optional) + * @return object rcube_message_part Message part tree or False on failure + */ + function &get_structure($uid, $structure_str='') + { + $cache_key = $this->mailbox.'.msg'; + $headers = &$this->get_cached_message($cache_key, $uid); + + // return cached message structure + if (is_object($headers) && is_object($headers->structure)) { + return $headers->structure; + } + + if (!$structure_str) + $structure_str = $this->conn->fetchStructureString($this->mailbox, $uid, true); + $structure = iml_GetRawStructureArray($structure_str); + $struct = false; + + // parse structure and add headers + if (!empty($structure)) { + $headers = $this->get_headers($uid); + $this->_msg_id = $headers->id; + + // set message charset from message headers + if ($headers->charset) + $this->struct_charset = $headers->charset; + else + $this->struct_charset = $this->_structure_charset($structure); + + // 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" ("charset" "us-ascii") NIL NIL "7bit" 2154 70 NIL NIL NIL) + if ($headers->ctype && $headers->ctype != 'text/plain' + && $structure[0] == 'text' && $structure[1] == 'plain') { + return false; } - // write structure to cache - if ($this->caching_enabled) - $this->add_message_cache($cache_key, $this->_msg_id, $headers, $struct); - } + $struct = &$this->_structure_part($structure); + $struct->headers = get_object_vars($headers); + + // don't trust given content-type + if (empty($struct->parts) && !empty($struct->headers['ctype'])) { + $struct->mime_id = '1'; + $struct->mimetype = strtolower($struct->headers['ctype']); + list($struct->ctype_primary, $struct->ctype_secondary) = explode('/', $struct->mimetype); + } + + // write structure to cache + if ($this->caching_enabled) + $this->add_message_cache($cache_key, $this->_msg_id, $headers, $struct); + } - return $struct; + return $struct; } - /** - * Build message part object - * - * @access private - */ - function &_structure_part($part, $count=0, $parent='', $mime_headers=null, $raw_headers=null) - { - $struct = new rcube_message_part; - $struct->mime_id = empty($parent) ? (string)$count : "$parent.$count"; - - // multipart - if (is_array($part[0])) - { - $struct->ctype_primary = 'multipart'; + /** + * Build message part object + * + * @access private + */ + function &_structure_part($part, $count=0, $parent='', $mime_headers=null, $raw_headers=null) + { + $struct = new rcube_message_part; + $struct->mime_id = empty($parent) ? (string)$count : "$parent.$count"; + + // multipart + if (is_array($part[0])) { + $struct->ctype_primary = 'multipart'; - // find first non-array entry - for ($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, $count=0; $i<count($part); $i++) - if (is_array($part[$i]) && count($part[$i]) > 3) { - // fetch message headers if message/rfc822 or named part (could contain Content-Location header) - if (!is_array($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') { - $raw_part_headers[] = $tmp_part_id; - $mime_part_headers[] = $tmp_part_id; + // find first non-array entry + for ($i=1; $i<count($part); $i++) { + if (!is_array($part[$i])) { + $struct->ctype_secondary = strtolower($part[$i]); + break; + } } - else if (in_array('name', (array)$part[$i][2]) && (empty($part[$i][3]) || $part[$i][3]=='NIL')) { - $mime_part_headers[] = $tmp_part_id; + + $struct->mimetype = 'multipart/'.$struct->ctype_secondary; + + // build parts list for headers pre-fetching + for ($i=0, $count=0; $i<count($part); $i++) { + if (is_array($part[$i]) && count($part[$i]) > 3) { + // fetch message headers if message/rfc822 + // or named part (could contain Content-Location header) + if (!is_array($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') { + $raw_part_headers[] = $tmp_part_id; + $mime_part_headers[] = $tmp_part_id; + } + else if (in_array('name', (array)$part[$i][2]) && (empty($part[$i][3]) || $part[$i][3]=='NIL')) { + $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) - $mime_part_headers = iil_C_FetchMIMEHeaders($this->conn, $this->mailbox, - $this->_msg_id, $mime_part_headers); - // we'll need a real content-type of message/rfc822 part - if ($raw_part_headers) - $raw_part_headers = iil_C_FetchMIMEHeaders($this->conn, $this->mailbox, - $this->_msg_id, $raw_part_headers, false); - - $struct->parts = array(); - for ($i=0, $count=0; $i<count($part); $i++) - if (is_array($part[$i]) && count($part[$i]) > 3) { - $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], $raw_part_headers[$tmp_part_id]); - } - - return $struct; - } - - - // regular part - $struct->ctype_primary = strtolower($part[0]); - $struct->ctype_secondary = strtolower($part[1]); - $struct->mimetype = $struct->ctype_primary.'/'.$struct->ctype_secondary; - - // read content type parameters - if (is_array($part[2])) - { - $struct->ctype_parameters = array(); - for ($i=0; $i<count($part[2]); $i+=2) - $struct->ctype_parameters[strtolower($part[2][$i])] = $part[2][$i+1]; + // pre-fetch headers of all parts (in one command for better performance) + // @TODO: we could do this before _structure_part() call, to fetch + // headers for parts on all levels + if ($mime_part_headers) { + $mime_part_headers = $this->conn->fetchMIMEHeaders($this->mailbox, + $this->_msg_id, $mime_part_headers); + } + // we'll need a real content-type of message/rfc822 part + if ($raw_part_headers) { + $raw_part_headers = $this->conn->fetchMIMEHeaders($this->mailbox, + $this->_msg_id, $raw_part_headers, false); + } + $struct->parts = array(); + for ($i=0, $count=0; $i<count($part); $i++) { + if (is_array($part[$i]) && count($part[$i]) > 3) { + $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], $raw_part_headers[$tmp_part_id]); + } + } + + return $struct; + } + + // regular part + $struct->ctype_primary = strtolower($part[0]); + $struct->ctype_secondary = strtolower($part[1]); + $struct->mimetype = $struct->ctype_primary.'/'.$struct->ctype_secondary; + + // read content type parameters + if (is_array($part[2])) { + $struct->ctype_parameters = array(); + for ($i=0; $i<count($part[2]); $i+=2) + $struct->ctype_parameters[strtolower($part[2][$i])] = $part[2][$i+1]; - if (isset($struct->ctype_parameters['charset'])) - $struct->charset = $struct->ctype_parameters['charset']; - } - - // read content encoding - if (!empty($part[5]) && $part[5]!='NIL') - { - $struct->encoding = strtolower($part[5]); - $struct->headers['content-transfer-encoding'] = $struct->encoding; - } - - // get part size - if (!empty($part[6]) && $part[6]!='NIL') - $struct->size = intval($part[6]); - - // read part disposition - $di = count($part) - 2; - if ((is_array($part[$di]) && count($part[$di]) == 2 && is_array($part[$di][1])) || - (is_array($part[--$di]) && count($part[$di]) == 2)) - { - $struct->disposition = strtolower($part[$di][0]); - - if (is_array($part[$di][1])) - for ($n=0; $n<count($part[$di][1]); $n+=2) - $struct->d_parameters[strtolower($part[$di][1][$n])] = $part[$di][1][$n+1]; - } + if (isset($struct->ctype_parameters['charset'])) + $struct->charset = $struct->ctype_parameters['charset']; + } + + // read content encoding + if (!empty($part[5]) && $part[5]!='NIL') { + $struct->encoding = strtolower($part[5]); + $struct->headers['content-transfer-encoding'] = $struct->encoding; + } + + // get part size + if (!empty($part[6]) && $part[6]!='NIL') + $struct->size = intval($part[6]); + + // read part disposition + $di = count($part) - 2; + if ((is_array($part[$di]) && count($part[$di]) == 2 && is_array($part[$di][1])) || + (is_array($part[--$di]) && count($part[$di]) == 2)) { + $struct->disposition = strtolower($part[$di][0]); + + if (is_array($part[$di][1])) + for ($n=0; $n<count($part[$di][1]); $n+=2) + $struct->d_parameters[strtolower($part[$di][1][$n])] = $part[$di][1][$n+1]; + } - // get child parts - if (is_array($part[8]) && $di != 8) - { - $struct->parts = array(); - for ($i=0, $count=0; $i<count($part[8]); $i++) - if (is_array($part[8][$i]) && count($part[8][$i]) > 5) - $struct->parts[] = $this->_structure_part($part[8][$i], ++$count, $struct->mime_id); - } - - // get part ID - if (!empty($part[3]) && $part[3]!='NIL') - { - $struct->content_id = $part[3]; - $struct->headers['content-id'] = $part[3]; - - if (empty($struct->disposition)) - $struct->disposition = 'inline'; - } - - // fetch message headers if message/rfc822 or named part (could contain Content-Location header) - if ($struct->ctype_primary == 'message' || ($struct->ctype_parameters['name'] && !$struct->content_id)) { - if (empty($mime_headers)) - $mime_headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, false, $struct->mime_id); - $struct->headers = $this->_parse_headers($mime_headers) + $struct->headers; - - // get real headers for message of type 'message/rfc822' - if ($struct->mimetype == 'message/rfc822') { - if (empty($raw_headers)) - $raw_headers = iil_C_FetchMIMEHeaders($this->conn, $this->mailbox, $this->_msg_id, (array)$struct->mime_id, false); - $struct->real_headers = $this->_parse_headers($raw_headers); - - // get real content-type of message/rfc822 - if (preg_match('/^([a-z0-9_\/-]+)/i', $struct->real_headers['content-type'], $matches)) { - $struct->real_mimetype = strtolower($matches[1]); - } - } - } - - if ($struct->ctype_primary=='message') { - if (is_array($part[8]) && $di != 8 && empty($struct->parts)) - $struct->parts[] = $this->_structure_part($part[8], ++$count, $struct->mime_id); - } - - // normalize filename property - $this->_set_part_filename($struct, $mime_headers); - - return $struct; - } - - - /** - * Set attachment filename from message part structure - * - * @access private - * @param object rcube_message_part Part object - * @param string Part's raw headers - */ - private function _set_part_filename(&$part, $headers=null) - { - if (!empty($part->d_parameters['filename'])) - $filename_mime = $part->d_parameters['filename']; - else if (!empty($part->d_parameters['filename*'])) - $filename_encoded = $part->d_parameters['filename*']; - else if (!empty($part->ctype_parameters['name*'])) - $filename_encoded = $part->ctype_parameters['name*']; - // RFC2231 value continuations - // TODO: this should be rewrited to support RFC2231 4.1 combinations - else if (!empty($part->d_parameters['filename*0'])) { - $i = 0; - while (isset($part->d_parameters['filename*'.$i])) { - $filename_mime .= $part->d_parameters['filename*'.$i]; - $i++; - } - // some servers (eg. dovecot-1.x) have no support for parameter value continuations - // we must fetch and parse headers "manually" - if ($i<2) { - if (!$headers) - $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, false, $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) - $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, false, $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) - $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, false, $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) - $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, false, $part->mime_id); - $filename_encoded = ''; - $i = 0; $matches = array(); - while (preg_match('/\s+name\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { - $filename_encoded .= $matches[1]; - $i++; - } - } - } - // read 'name' after rfc2231 parameters as it may contains truncated filename (from Thunderbird) - else if (!empty($part->ctype_parameters['name'])) - $filename_mime = $part->ctype_parameters['name']; - // Content-Disposition - else if (!empty($part->headers['content-description'])) - $filename_mime = $part->headers['content-description']; - else - return; - - // decode filename - if (!empty($filename_mime)) { - $part->filename = rcube_imap::decode_mime_string($filename_mime, - $part->charset ? $part->charset : ($this->struct_charset ? $this->struct_charset : - rc_detect_encoding($filename_mime, $this->default_charset))); - } - else if (!empty($filename_encoded)) { - // decode filename according to RFC 2231, Section 4 - if (preg_match("/^([^']*)'[^']*'(.*)$/", $filename_encoded, $fmatches)) { - $filename_charset = $fmatches[1]; - $filename_encoded = $fmatches[2]; - } - $part->filename = rcube_charset_convert(urldecode($filename_encoded), $filename_charset); - } - } - - - /** - * Get charset name from message structure (first part) - * - * @access private - * @param array Message structure - * @return string Charset name - */ - function _structure_charset($structure) - { - while (is_array($structure)) { - if (is_array($structure[2]) && $structure[2][0] == 'charset') - return $structure[2][1]; - $structure = $structure[0]; - } - } + // get child parts + if (is_array($part[8]) && $di != 8) { + $struct->parts = array(); + for ($i=0, $count=0; $i<count($part[8]); $i++) + if (is_array($part[8][$i]) && count($part[8][$i]) > 5) + $struct->parts[] = $this->_structure_part($part[8][$i], ++$count, $struct->mime_id); + } + // get part ID + if (!empty($part[3]) && $part[3]!='NIL') { + $struct->content_id = $part[3]; + $struct->headers['content-id'] = $part[3]; + + if (empty($struct->disposition)) + $struct->disposition = 'inline'; + } + + // fetch message headers if message/rfc822 or named part (could contain Content-Location header) + if ($struct->ctype_primary == 'message' || ($struct->ctype_parameters['name'] && !$struct->content_id)) { + if (empty($mime_headers)) { + $mime_headers = $this->conn->fetchPartHeader( + $this->mailbox, $this->_msg_id, false, $struct->mime_id); + } + $struct->headers = $this->_parse_headers($mime_headers) + $struct->headers; + + // get real headers for message of type 'message/rfc822' + if ($struct->mimetype == 'message/rfc822') { + if (empty($raw_headers)) { + $raw_headers = $this->conn->fetchMIMEHeaders( + $this->mailbox, $this->_msg_id, (array)$struct->mime_id, false); + } + $struct->real_headers = $this->_parse_headers($raw_headers); + + // get real content-type of message/rfc822 + if (preg_match('/^([a-z0-9_\/-]+)/i', $struct->real_headers['content-type'], $matches)) { + $struct->real_mimetype = strtolower($matches[1]); + } + } + } + + if ($struct->ctype_primary=='message') { + if (is_array($part[8]) && $di != 8 && empty($struct->parts)) + $struct->parts[] = $this->_structure_part($part[8], ++$count, $struct->mime_id); + } + + // normalize filename property + $this->_set_part_filename($struct, $mime_headers); + + return $struct; + } + + + /** + * Set attachment filename from message part structure + * + * @access private + * @param object rcube_message_part Part object + * @param string Part's raw headers + */ + private function _set_part_filename(&$part, $headers=null) + { + if (!empty($part->d_parameters['filename'])) + $filename_mime = $part->d_parameters['filename']; + else if (!empty($part->d_parameters['filename*'])) + $filename_encoded = $part->d_parameters['filename*']; + else if (!empty($part->ctype_parameters['name*'])) + $filename_encoded = $part->ctype_parameters['name*']; + // RFC2231 value continuations + // TODO: this should be rewrited to support RFC2231 4.1 combinations + else if (!empty($part->d_parameters['filename*0'])) { + $i = 0; + while (isset($part->d_parameters['filename*'.$i])) { + $filename_mime .= $part->d_parameters['filename*'.$i]; + $i++; + } + // some servers (eg. dovecot-1.x) have no support for parameter value continuations + // we must fetch and parse headers "manually" + if ($i<2) { + if (!$headers) { + $headers = $this->conn->fetchPartHeader( + $this->mailbox, $this->_msg_id, false, $part->mime_id); + } + $filename_mime = ''; + $i = 0; + while (preg_match('/filename\*'.$i.'\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { + $filename_mime .= $matches[1]; + $i++; + } + } + } + else if (!empty($part->d_parameters['filename*0*'])) { + $i = 0; + while (isset($part->d_parameters['filename*'.$i.'*'])) { + $filename_encoded .= $part->d_parameters['filename*'.$i.'*']; + $i++; + } + if ($i<2) { + if (!$headers) { + $headers = $this->conn->fetchPartHeader( + $this->mailbox, $this->_msg_id, false, $part->mime_id); + } + $filename_encoded = ''; + $i = 0; $matches = array(); + while (preg_match('/filename\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { + $filename_encoded .= $matches[1]; + $i++; + } + } + } + else if (!empty($part->ctype_parameters['name*0'])) { + $i = 0; + while (isset($part->ctype_parameters['name*'.$i])) { + $filename_mime .= $part->ctype_parameters['name*'.$i]; + $i++; + } + if ($i<2) { + if (!$headers) { + $headers = $this->conn->fetchPartHeader( + $this->mailbox, $this->_msg_id, false, $part->mime_id); + } + $filename_mime = ''; + $i = 0; $matches = array(); + while (preg_match('/\s+name\*'.$i.'\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { + $filename_mime .= $matches[1]; + $i++; + } + } + } + else if (!empty($part->ctype_parameters['name*0*'])) { + $i = 0; + while (isset($part->ctype_parameters['name*'.$i.'*'])) { + $filename_encoded .= $part->ctype_parameters['name*'.$i.'*']; + $i++; + } + if ($i<2) { + if (!$headers) { + $headers = $this->conn->fetchPartHeader( + $this->mailbox, $this->_msg_id, false, $part->mime_id); + } + $filename_encoded = ''; + $i = 0; $matches = array(); + while (preg_match('/\s+name\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { + $filename_encoded .= $matches[1]; + $i++; + } + } + } + // read 'name' after rfc2231 parameters as it may contains truncated filename (from Thunderbird) + else if (!empty($part->ctype_parameters['name'])) + $filename_mime = $part->ctype_parameters['name']; + // Content-Disposition + else if (!empty($part->headers['content-description'])) + $filename_mime = $part->headers['content-description']; + else + return; + + // decode filename + if (!empty($filename_mime)) { + $part->filename = rcube_imap::decode_mime_string($filename_mime, + $part->charset ? $part->charset : ($this->struct_charset ? $this->struct_charset : + rc_detect_encoding($filename_mime, $this->default_charset))); + } + else if (!empty($filename_encoded)) { + // decode filename according to RFC 2231, Section 4 + if (preg_match("/^([^']*)'[^']*'(.*)$/", $filename_encoded, $fmatches)) { + $filename_charset = $fmatches[1]; + $filename_encoded = $fmatches[2]; + } + $part->filename = rcube_charset_convert(urldecode($filename_encoded), $filename_charset); + } + } + + + /** + * Get charset name from message structure (first part) + * + * @access private + * @param array Message structure + * @return string Charset name + */ + function _structure_charset($structure) + { + while (is_array($structure)) { + if (is_array($structure[2]) && $structure[2][0] == 'charset') + return $structure[2][1]; + $structure = $structure[0]; + } + } - /** - * Fetch message body of a specific message from the server - * - * @param int Message UID - * @param string Part number - * @param object rcube_message_part Part object created by get_structure() - * @param mixed True to print part, ressource to write part contents in - * @param resource File pointer to save the message part - * @return string Message/part body if not printed - */ - function &get_message_part($uid, $part=1, $o_part=NULL, $print=NULL, $fp=NULL) - { - // get part encoding if not provided - if (!is_object($o_part)) - { - $structure_str = iil_C_FetchStructureString($this->conn, $this->mailbox, $uid, true); - $structure = iml_GetRawStructureArray($structure_str); - // error or message not found - if (empty($structure)) - return false; - $part_type = iml_GetPartTypeCode($structure, $part); - $o_part = new rcube_message_part; - $o_part->ctype_primary = $part_type==0 ? 'text' : ($part_type==2 ? 'message' : 'other'); - $o_part->encoding = strtolower(iml_GetPartEncodingString($structure, $part)); - $o_part->charset = iml_GetPartCharset($structure, $part); - } + /** + * Fetch message body of a specific message from the server + * + * @param int Message UID + * @param string Part number + * @param object rcube_message_part Part object created by get_structure() + * @param mixed True to print part, ressource to write part contents in + * @param resource File pointer to save the message part + * @return string Message/part body if not printed + */ + function &get_message_part($uid, $part=1, $o_part=NULL, $print=NULL, $fp=NULL) + { + // get part encoding if not provided + if (!is_object($o_part)) { + $structure_str = $this->conn->fetchStructureString($this->mailbox, $uid, true); + $structure = iml_GetRawStructureArray($structure_str); + // error or message not found + if (empty($structure)) + return false; + + $part_type = iml_GetPartTypeCode($structure, $part); + $o_part = new rcube_message_part; + $o_part->ctype_primary = $part_type==0 ? 'text' : ($part_type==2 ? 'message' : 'other'); + $o_part->encoding = strtolower(iml_GetPartEncodingString($structure, $part)); + $o_part->charset = iml_GetPartCharset($structure, $part); + } - // TODO: Add caching for message parts + // TODO: Add caching for message parts - if (!$part) $part = 'TEXT'; + if (!$part) $part = 'TEXT'; - $body = iil_C_HandlePartBody($this->conn, $this->mailbox, $uid, true, $part, - $o_part->encoding, $print, $fp); + $body = $this->conn->handlePartBody($this->mailbox, $uid, true, $part, + $o_part->encoding, $print, $fp); - if ($fp || $print) - return true; + if ($fp || $print) + return true; - // convert charset (if text or message part) - if ($o_part->ctype_primary=='text' || $o_part->ctype_primary=='message') { - // assume default if no charset specified - if (empty($o_part->charset) || strtolower($o_part->charset) == 'us-ascii') - $o_part->charset = $this->default_charset; + // convert charset (if text or message part) + if ($o_part->ctype_primary=='text' || $o_part->ctype_primary=='message') { + // assume default if no charset specified + if (empty($o_part->charset) || strtolower($o_part->charset) == 'us-ascii') + $o_part->charset = $this->default_charset; - $body = rcube_charset_convert($body, $o_part->charset); - } + $body = rcube_charset_convert($body, $o_part->charset); + } - return $body; + return $body; } - /** - * Fetch message body of a specific message from the server - * - * @param int Message UID - * @return string Message/part body - * @see rcube_imap::get_message_part() - */ - function &get_body($uid, $part=1) + /** + * Fetch message body of a specific message from the server + * + * @param int Message UID + * @return string Message/part body + * @see rcube_imap::get_message_part() + */ + function &get_body($uid, $part=1) { - $headers = $this->get_headers($uid); - return rcube_charset_convert($this->get_message_part($uid, $part, NULL), - $headers->charset ? $headers->charset : $this->default_charset); + $headers = $this->get_headers($uid); + return rcube_charset_convert($this->get_message_part($uid, $part, NULL), + $headers->charset ? $headers->charset : $this->default_charset); } - /** - * Returns the whole message source as string - * - * @param int Message UID - * @return string Message source string - */ - function &get_raw_body($uid) + /** + * Returns the whole message source as string + * + * @param int Message UID + * @return string Message source string + */ + function &get_raw_body($uid) { - return iil_C_HandlePartBody($this->conn, $this->mailbox, $uid, true); + return $this->conn->handlePartBody($this->mailbox, $uid, true); } - /** - * Returns the message headers as string - * - * @param int Message UID - * @return string Message headers string - */ - function &get_raw_headers($uid) + /** + * Returns the message headers as string + * + * @param int Message UID + * @return string Message headers string + */ + function &get_raw_headers($uid) { - return iil_C_FetchPartHeader($this->conn, $this->mailbox, $uid, true); + return $this->conn->fetchPartHeader($this->mailbox, $uid, true); } - /** - * Sends the whole message source to stdout - * - * @param int Message UID - */ - function print_raw_body($uid) + /** + * Sends the whole message source to stdout + * + * @param int Message UID + */ + function print_raw_body($uid) { - iil_C_HandlePartBody($this->conn, $this->mailbox, $uid, true, NULL, NULL, true); + $this->conn->handlePartBody($this->mailbox, $uid, true, NULL, NULL, true); } - /** - * Set message flag to one or several messages - * - * @param mixed Message UIDs as array or comma-separated string, or '*' - * @param string Flag to set: SEEN, UNDELETED, DELETED, RECENT, ANSWERED, DRAFT, MDNSENT - * @param string Folder name - * @param boolean True to skip message cache clean up - * @return int Number of flagged messages, -1 on failure - */ - function set_flag($uids, $flag, $mbox_name=NULL, $skip_cache=false) + /** + * Set message flag to one or several messages + * + * @param mixed Message UIDs as array or comma-separated string, or '*' + * @param string Flag to set: SEEN, UNDELETED, DELETED, RECENT, ANSWERED, DRAFT, MDNSENT + * @param string Folder name + * @param boolean True to skip message cache clean up + * @return int Number of flagged messages, -1 on failure + */ + function set_flag($uids, $flag, $mbox_name=NULL, $skip_cache=false) { - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - - $flag = strtoupper($flag); - list($uids, $all_mode) = $this->_parse_uids($uids, $mailbox); + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - if (strpos($flag, 'UN') === 0) - $result = iil_C_UnFlag($this->conn, $mailbox, $uids, substr($flag, 2)); - else - $result = iil_C_Flag($this->conn, $mailbox, $uids, $flag); + $flag = strtoupper($flag); + list($uids, $all_mode) = $this->_parse_uids($uids, $mailbox); - if ($result >= 0) { - // reload message headers if cached - if ($this->caching_enabled && !$skip_cache) { - $cache_key = $mailbox.'.msg'; - if ($all_mode) - $this->clear_message_cache($cache_key); + if (strpos($flag, 'UN') === 0) + $result = $this->conn->unflag($mailbox, $uids, substr($flag, 2)); else - $this->remove_message_cache($cache_key, explode(',', $uids)); - } - // update counters - if ($flag=='SEEN') - $this->_set_messagecount($mailbox, 'UNSEEN', $result*(-1)); - else if ($flag=='UNSEEN') - $this->_set_messagecount($mailbox, 'UNSEEN', $result); - else if ($flag=='DELETED') - $this->_set_messagecount($mailbox, 'ALL', $result*(-1)); - } - - return $result; - } - - - /** - * Remove message flag for one or several messages - * - * @param mixed Message UIDs as array or comma-separated string, or '*' - * @param string Flag to unset: SEEN, DELETED, RECENT, ANSWERED, DRAFT, MDNSENT - * @param string Folder name - * @return int Number of flagged messages, -1 on failure - * @see set_flag - */ - function unset_flag($uids, $flag, $mbox_name=NULL) - { - return $this->set_flag($uids, 'UN'.$flag, $mbox_name); - } - - - /** - * Append a mail message (source) to a specific mailbox - * - * @param string Target mailbox - * @param string The message source string or filename - * @param string Headers string if $message contains only the body - * @param boolean True if $message is a filename - * - * @return boolean True on success, False on error - */ - function save_message($mbox_name, &$message, $headers='', $is_file=false) - { - $mailbox = $this->mod_mailbox($mbox_name); - - // make sure mailbox exists - if ($this->mailbox_exists($mbox_name, true)) { - if ($is_file) { - $separator = rcmail::get_instance()->config->header_delimiter(); - $saved = iil_C_AppendFromFile($this->conn, $mailbox, $message, - $headers, $separator.$separator); - } - else - $saved = iil_C_Append($this->conn, $mailbox, $message); - } - - if ($saved) - { - // increase messagecount of the target mailbox - $this->_set_messagecount($mailbox, 'ALL', 1); - } - - return $saved; - } - - - /** - * Move a message from one mailbox to another - * - * @param mixed Message UIDs as array or comma-separated string, or '*' - * @param string Target mailbox - * @param string Source mailbox - * @return boolean True on success, False on error - */ - function move_message($uids, $to_mbox, $from_mbox='') - { - $fbox = $from_mbox; - $tbox = $to_mbox; - $to_mbox = $this->mod_mailbox($to_mbox); - $from_mbox = $from_mbox ? $this->mod_mailbox($from_mbox) : $this->mailbox; - - list($uids, $all_mode) = $this->_parse_uids($uids, $from_mbox); - - // exit if no message uids are specified - if (empty($uids)) - return false; - - // make sure mailbox exists - if ($to_mbox != 'INBOX' && !$this->mailbox_exists($tbox, true)) - { - if (in_array($tbox, $this->default_folders)) - $this->create_mailbox($tbox, true); - else - return false; - } - - // flag messages as read before moving them - $config = rcmail::get_instance()->config; - if ($config->get('read_when_deleted') && $tbox == $config->get('trash_mbox')) { - // don't flush cache (4th argument) - $this->set_flag($uids, 'SEEN', $fbox, true); - } - - // move messages - $iil_move = iil_C_Move($this->conn, $uids, $from_mbox, $to_mbox); - $moved = !($iil_move === false || $iil_move < 0); - - // send expunge command in order to have the moved message - // really deleted from the source mailbox - if ($moved) { - $this->_expunge($from_mbox, false, $uids); - $this->_clear_messagecount($from_mbox); - $this->_clear_messagecount($to_mbox); - } - // moving failed - else if ($config->get('delete_always', false) && $tbox == $config->get('trash_mbox')) { - $moved = $this->delete_message($uids, $fbox); - } - - if ($moved) { - // unset threads internal cache - unset($this->icache['threads']); - - // remove message ids from search set - if ($this->search_set && $from_mbox == $this->mailbox) { - // threads are too complicated to just remove messages from set - if ($this->search_threads || $all_mode) - $this->refresh_search(); - else { - $uids = explode(',', $uids); - foreach ($uids as $uid) - $a_mids[] = $this->_uid2id($uid, $from_mbox); - $this->search_set = array_diff($this->search_set, $a_mids); - } + $result = $this->conn->flag($mailbox, $uids, $flag); + + if ($result >= 0) { + // reload message headers if cached + if ($this->caching_enabled && !$skip_cache) { + $cache_key = $mailbox.'.msg'; + if ($all_mode) + $this->clear_message_cache($cache_key); + else + $this->remove_message_cache($cache_key, explode(',', $uids)); + } + // update counters + if ($flag=='SEEN') + $this->_set_messagecount($mailbox, 'UNSEEN', $result*(-1)); + else if ($flag=='UNSEEN') + $this->_set_messagecount($mailbox, 'UNSEEN', $result); + else if ($flag=='DELETED') + $this->_set_messagecount($mailbox, 'ALL', $result*(-1)); } - // update cached message headers - $cache_key = $from_mbox.'.msg'; - if ($all_mode || ($start_index = $this->get_message_cache_index_min($cache_key, $uids))) { - // clear cache from the lowest index on - $this->clear_message_cache($cache_key, $all_mode ? 1 : $start_index); - } - } - - return $moved; - } - - - /** - * Copy a message from one mailbox to another - * - * @param mixed Message UIDs as array or comma-separated string, or '*' - * @param string Target mailbox - * @param string Source mailbox - * @return boolean True on success, False on error - */ - function copy_message($uids, $to_mbox, $from_mbox='') - { - $fbox = $from_mbox; - $tbox = $to_mbox; - $to_mbox = $this->mod_mailbox($to_mbox); - $from_mbox = $from_mbox ? $this->mod_mailbox($from_mbox) : $this->mailbox; - - list($uids, $all_mode) = $this->_parse_uids($uids, $from_mbox); - - // exit if no message uids are specified - if (empty($uids)) - return false; - - // make sure mailbox exists - if ($to_mbox != 'INBOX' && !$this->mailbox_exists($tbox, true)) - { - if (in_array($tbox, $this->default_folders)) - $this->create_mailbox($tbox, true); - else - return false; - } + return $result; + } - // copy messages - $iil_copy = iil_C_Copy($this->conn, $uids, $from_mbox, $to_mbox); - $copied = !($iil_copy === false || $iil_copy < 0); - if ($copied) { - $this->_clear_messagecount($to_mbox); + /** + * Remove message flag for one or several messages + * + * @param mixed Message UIDs as array or comma-separated string, or '*' + * @param string Flag to unset: SEEN, DELETED, RECENT, ANSWERED, DRAFT, MDNSENT + * @param string Folder name + * @return int Number of flagged messages, -1 on failure + * @see set_flag + */ + function unset_flag($uids, $flag, $mbox_name=NULL) + { + return $this->set_flag($uids, 'UN'.$flag, $mbox_name); } - return $copied; - } + /** + * Append a mail message (source) to a specific mailbox + * + * @param string Target mailbox + * @param string The message source string or filename + * @param string Headers string if $message contains only the body + * @param boolean True if $message is a filename + * + * @return boolean True on success, False on error + */ + function save_message($mbox_name, &$message, $headers='', $is_file=false) + { + $mailbox = $this->mod_mailbox($mbox_name); - /** - * Mark messages as deleted and expunge mailbox - * - * @param mixed Message UIDs as array or comma-separated string, or '*' - * @param string Source mailbox - * @return boolean True on success, False on error - */ - function delete_message($uids, $mbox_name='') - { - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + // make sure mailbox exists + if ($this->mailbox_exists($mbox_name, true)) { + if ($is_file) { + $separator = rcmail::get_instance()->config->header_delimiter(); + $saved = $this->conn->appendFromFile($mailbox, $message, + $headers, $separator.$separator); + } + else + $saved = $this->conn->append($mailbox, $message); + } - list($uids, $all_mode) = $this->_parse_uids($uids, $mailbox); + if ($saved) { + // increase messagecount of the target mailbox + $this->_set_messagecount($mailbox, 'ALL', 1); + } - // exit if no message uids are specified - if (empty($uids)) - return false; + return $saved; + } - $deleted = iil_C_Delete($this->conn, $mailbox, $uids); - if ($deleted) { - // send expunge command in order to have the deleted message - // really deleted from the mailbox - $this->_expunge($mailbox, false, $uids); - $this->_clear_messagecount($mailbox); - unset($this->uid_id_map[$mailbox]); + /** + * Move a message from one mailbox to another + * + * @param mixed Message UIDs as array or comma-separated string, or '*' + * @param string Target mailbox + * @param string Source mailbox + * @return boolean True on success, False on error + */ + function move_message($uids, $to_mbox, $from_mbox='') + { + $fbox = $from_mbox; + $tbox = $to_mbox; + $to_mbox = $this->mod_mailbox($to_mbox); + $from_mbox = $from_mbox ? $this->mod_mailbox($from_mbox) : $this->mailbox; - // unset threads internal cache - unset($this->icache['threads']); - - // remove message ids from search set - if ($this->search_set && $mailbox == $this->mailbox) { - // threads are too complicated to just remove messages from set - if ($this->search_threads || $all_mode) - $this->refresh_search(); - else { - $uids = explode(',', $uids); - foreach ($uids as $uid) - $a_mids[] = $this->_uid2id($uid, $mailbox); - $this->search_set = array_diff($this->search_set, $a_mids); - } + list($uids, $all_mode) = $this->_parse_uids($uids, $from_mbox); + + // exit if no message uids are specified + if (empty($uids)) + return false; + + // make sure mailbox exists + if ($to_mbox != 'INBOX' && !$this->mailbox_exists($tbox, true)) { + if (in_array($tbox, $this->default_folders)) + $this->create_mailbox($tbox, true); + else + return false; + } + + // flag messages as read before moving them + $config = rcmail::get_instance()->config; + if ($config->get('read_when_deleted') && $tbox == $config->get('trash_mbox')) { + // don't flush cache (4th argument) + $this->set_flag($uids, 'SEEN', $fbox, true); + } + + // move messages + $move = $this->conn->move($uids, $from_mbox, $to_mbox); + $moved = !($move === false || $move < 0); + + // send expunge command in order to have the moved message + // really deleted from the source mailbox + if ($moved) { + $this->_expunge($from_mbox, false, $uids); + $this->_clear_messagecount($from_mbox); + $this->_clear_messagecount($to_mbox); + } + // moving failed + else if ($config->get('delete_always', false) && $tbox == $config->get('trash_mbox')) { + $moved = $this->delete_message($uids, $fbox); } - // remove deleted messages from cache - $cache_key = $mailbox.'.msg'; - if ($all_mode || ($start_index = $this->get_message_cache_index_min($cache_key, $uids))) { - // clear cache from the lowest index on - $this->clear_message_cache($cache_key, $all_mode ? 1 : $start_index); - } + if ($moved) { + // unset threads internal cache + unset($this->icache['threads']); + + // remove message ids from search set + if ($this->search_set && $from_mbox == $this->mailbox) { + // threads are too complicated to just remove messages from set + if ($this->search_threads || $all_mode) + $this->refresh_search(); + else { + $uids = explode(',', $uids); + foreach ($uids as $uid) + $a_mids[] = $this->_uid2id($uid, $from_mbox); + $this->search_set = array_diff($this->search_set, $a_mids); + } + } + + // update cached message headers + $cache_key = $from_mbox.'.msg'; + if ($all_mode || ($start_index = $this->get_message_cache_index_min($cache_key, $uids))) { + // clear cache from the lowest index on + $this->clear_message_cache($cache_key, $all_mode ? 1 : $start_index); + } + } + + return $moved; } - return $deleted; - } + /** + * Copy a message from one mailbox to another + * + * @param mixed Message UIDs as array or comma-separated string, or '*' + * @param string Target mailbox + * @param string Source mailbox + * @return boolean True on success, False on error + */ + function copy_message($uids, $to_mbox, $from_mbox='') + { + $fbox = $from_mbox; + $tbox = $to_mbox; + $to_mbox = $this->mod_mailbox($to_mbox); + $from_mbox = $from_mbox ? $this->mod_mailbox($from_mbox) : $this->mailbox; - /** - * Clear all messages in a specific mailbox - * - * @param string Mailbox name - * @return int Above 0 on success - */ - function clear_mailbox($mbox_name=NULL) + list($uids, $all_mode) = $this->_parse_uids($uids, $from_mbox); + + // exit if no message uids are specified + if (empty($uids)) + return false; + + // make sure mailbox exists + if ($to_mbox != 'INBOX' && !$this->mailbox_exists($tbox, true)) { + if (in_array($tbox, $this->default_folders)) + $this->create_mailbox($tbox, true); + else + return false; + } + + // copy messages + $copy = $this->conn->copy($uids, $from_mbox, $to_mbox); + $copied = !($copy === false || $copy < 0); + + if ($copied) { + $this->_clear_messagecount($to_mbox); + } + + return $copied; + } + + + /** + * Mark messages as deleted and expunge mailbox + * + * @param mixed Message UIDs as array or comma-separated string, or '*' + * @param string Source mailbox + * @return boolean True on success, False on error + */ + function delete_message($uids, $mbox_name='') { - $mailbox = !empty($mbox_name) ? $this->mod_mailbox($mbox_name) : $this->mailbox; - $msg_count = $this->_messagecount($mailbox, 'ALL'); - - if ($msg_count>0) - { - $cleared = iil_C_ClearFolder($this->conn, $mailbox); + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + + list($uids, $all_mode) = $this->_parse_uids($uids, $mailbox); + + // exit if no message uids are specified + if (empty($uids)) + return false; + + $deleted = $this->conn->delete($mailbox, $uids); + + if ($deleted) { + // send expunge command in order to have the deleted message + // really deleted from the mailbox + $this->_expunge($mailbox, false, $uids); + $this->_clear_messagecount($mailbox); + unset($this->uid_id_map[$mailbox]); + + // unset threads internal cache + unset($this->icache['threads']); - // make sure the message count cache is cleared as well - if ($cleared) - { - $this->clear_message_cache($mailbox.'.msg'); - $a_mailbox_cache = $this->get_cache('messagecount'); - unset($a_mailbox_cache[$mailbox]); - $this->update_cache('messagecount', $a_mailbox_cache); + // remove message ids from search set + if ($this->search_set && $mailbox == $this->mailbox) { + // threads are too complicated to just remove messages from set + if ($this->search_threads || $all_mode) + $this->refresh_search(); + else { + $uids = explode(',', $uids); + foreach ($uids as $uid) + $a_mids[] = $this->_uid2id($uid, $mailbox); + $this->search_set = array_diff($this->search_set, $a_mids); + } + } + + // remove deleted messages from cache + $cache_key = $mailbox.'.msg'; + if ($all_mode || ($start_index = $this->get_message_cache_index_min($cache_key, $uids))) { + // clear cache from the lowest index on + $this->clear_message_cache($cache_key, $all_mode ? 1 : $start_index); + } + } + + return $deleted; + } + + + /** + * Clear all messages in a specific mailbox + * + * @param string Mailbox name + * @return int Above 0 on success + */ + function clear_mailbox($mbox_name=NULL) + { + $mailbox = !empty($mbox_name) ? $this->mod_mailbox($mbox_name) : $this->mailbox; + $msg_count = $this->_messagecount($mailbox, 'ALL'); + + if (!$msg_count) { + return 0; } - return $cleared; - } - else - return 0; - } - - - /** - * Send IMAP expunge command and clear cache - * - * @param string Mailbox name - * @param boolean False if cache should not be cleared - * @return boolean True on success - */ - function expunge($mbox_name='', $clear_cache=true) - { - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - return $this->_expunge($mailbox, $clear_cache); - } - - - /** - * Send IMAP expunge command and clear cache - * - * @param string Mailbox name - * @param boolean False if cache should not be cleared - * @param mixed Message UIDs as array or comma-separated string, or '*' - * @return boolean True on success - * @access private - * @see rcube_imap::expunge() - */ - private function _expunge($mailbox, $clear_cache=true, $uids=NULL) - { - if ($uids && $this->get_capability('UIDPLUS')) - $a_uids = is_array($uids) ? join(',', $uids) : $uids; - else - $a_uids = NULL; - - $result = iil_C_Expunge($this->conn, $mailbox, $a_uids); - - if ($result>=0 && $clear_cache) - { - $this->clear_message_cache($mailbox.'.msg'); - $this->_clear_messagecount($mailbox); - } + $cleared = $this->conn->clearFolder($mailbox); - return $result; + // make sure the message count cache is cleared as well + if ($cleared) { + $this->clear_message_cache($mailbox.'.msg'); + $a_mailbox_cache = $this->get_cache('messagecount'); + unset($a_mailbox_cache[$mailbox]); + $this->update_cache('messagecount', $a_mailbox_cache); + } + + return $cleared; } - /** - * Parse message UIDs input - * - * @param mixed UIDs array or comma-separated list or '*' or '1:*' - * @param string Mailbox name - * @return array Two elements array with UIDs converted to list and ALL flag - * @access private - */ - private function _parse_uids($uids, $mailbox) + /** + * Send IMAP expunge command and clear cache + * + * @param string Mailbox name + * @param boolean False if cache should not be cleared + * @return boolean True on success + */ + function expunge($mbox_name='', $clear_cache=true) { - if ($uids === '*' || $uids === '1:*') { - if (empty($this->search_set)) { - $uids = '1:*'; - $all = true; - } - // get UIDs from current search set - // @TODO: skip iil_C_FetchUIDs() and work with IDs instead of UIDs (?) - else { - if ($this->search_threads) - $uids = iil_C_FetchUIDs($this->conn, $mailbox, array_keys($this->search_set['depth'])); + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + return $this->_expunge($mailbox, $clear_cache); + } + + + /** + * Send IMAP expunge command and clear cache + * + * @param string Mailbox name + * @param boolean False if cache should not be cleared + * @param mixed Message UIDs as array or comma-separated string, or '*' + * @return boolean True on success + * @access private + * @see rcube_imap::expunge() + */ + private function _expunge($mailbox, $clear_cache=true, $uids=NULL) + { + if ($uids && $this->get_capability('UIDPLUS')) + $a_uids = is_array($uids) ? join(',', $uids) : $uids; else - $uids = iil_C_FetchUIDs($this->conn, $mailbox, $this->search_set); + $a_uids = NULL; + + $result = $this->conn->expunge($mailbox, $a_uids); + + if ($result>=0 && $clear_cache) { + $this->clear_message_cache($mailbox.'.msg'); + $this->_clear_messagecount($mailbox); + } + + return $result; + } + + + /** + * Parse message UIDs input + * + * @param mixed UIDs array or comma-separated list or '*' or '1:*' + * @param string Mailbox name + * @return array Two elements array with UIDs converted to list and ALL flag + * @access private + */ + private function _parse_uids($uids, $mailbox) + { + if ($uids === '*' || $uids === '1:*') { + if (empty($this->search_set)) { + $uids = '1:*'; + $all = true; + } + // get UIDs from current search set + // @TODO: skip fetchUIDs() and work with IDs instead of UIDs (?) + else { + if ($this->search_threads) + $uids = $this->conn->fetchUIDs($mailbox, array_keys($this->search_set['depth'])); + else + $uids = $this->conn->fetchUIDs($mailbox, $this->search_set); - // save ID-to-UID mapping in local cache - if (is_array($uids)) - foreach ($uids as $id => $uid) - $this->uid_id_map[$mailbox][$uid] = $id; + // save ID-to-UID mapping in local cache + if (is_array($uids)) + foreach ($uids as $id => $uid) + $this->uid_id_map[$mailbox][$uid] = $id; + + $uids = join(',', $uids); + } + } + else { + if (is_array($uids)) + $uids = join(',', $uids); + + if (preg_match('/[^0-9,]/', $uids)) + $uids = ''; + } + + return array($uids, (bool) $all); + } + - $uids = join(',', $uids); + /** + * Translate UID to message ID + * + * @param int Message UID + * @param string Mailbox name + * @return int Message ID + */ + function get_id($uid, $mbox_name=NULL) + { + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + return $this->_uid2id($uid, $mailbox); + } + + + /** + * Translate message number to UID + * + * @param int Message ID + * @param string Mailbox name + * @return int Message UID + */ + function get_uid($id,$mbox_name=NULL) + { + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + return $this->_id2uid($id, $mailbox); + } + + + + /* -------------------------------- + * folder managment + * --------------------------------*/ + + /** + * Public method for mailbox listing. + * + * Converts mailbox name with root dir first + * + * @param string Optional root folder + * @param string Optional filter for mailbox listing + * @return array List of mailboxes/folders + * @access public + */ + function list_mailboxes($root='', $filter='*') + { + $a_out = array(); + $a_mboxes = $this->_list_mailboxes($root, $filter); + + foreach ($a_mboxes as $mbox_row) { + $name = $this->mod_mailbox($mbox_row, 'out'); + if (strlen($name)) + $a_out[] = $name; } - } - else { - if (is_array($uids)) - $uids = join(',', $uids); - if (preg_match('/[^0-9,]/', $uids)) - $uids = ''; - } + // INBOX should always be available + if (!in_array('INBOX', $a_out)) + array_unshift($a_out, 'INBOX'); - return array($uids, (bool) $all); + // sort mailboxes + $a_out = $this->_sort_mailbox_list($a_out); + + return $a_out; } + + + /** + * Private method for mailbox listing + * + * @return array List of mailboxes/folders + * @see rcube_imap::list_mailboxes() + * @access private + */ + private function _list_mailboxes($root='', $filter='*') + { + $a_defaults = $a_out = array(); + // get cached folder list + $a_mboxes = $this->get_cache('mailboxes'); + if (is_array($a_mboxes)) + return $a_mboxes; + + // Give plugins a chance to provide a list of mailboxes + $data = rcmail::get_instance()->plugins->exec_hook('list_mailboxes', + array('root'=>$root,'filter'=>$filter)); + + if (isset($data['folders'])) { + $a_folders = $data['folders']; + } + else { + // retrieve list of folders from IMAP server + $a_folders = $this->conn->listSubscribed($this->mod_mailbox($root), $filter); + } + + if (!is_array($a_folders) || !sizeof($a_folders)) + $a_folders = array(); + + // write mailboxlist to cache + $this->update_cache('mailboxes', $a_folders); + + return $a_folders; + } - /* -------------------------------- - * folder managment - * --------------------------------*/ - /** - * Get a list of all folders available on the IMAP server - * - * @param string IMAP root dir - * @return array Indexed array with folder names - */ - function list_unsubscribed($root='') + /** + * Get a list of all folders available on the IMAP server + * + * @param string IMAP root dir + * @return array Indexed array with folder names + */ + function list_unsubscribed($root='') { - static $sa_unsubscribed; + static $sa_unsubscribed; - if (is_array($sa_unsubscribed)) - return $sa_unsubscribed; + if (is_array($sa_unsubscribed)) + return $sa_unsubscribed; - // retrieve list of folders from IMAP server - $a_mboxes = iil_C_ListMailboxes($this->conn, $this->mod_mailbox($root), '*'); + // retrieve list of folders from IMAP server + $a_mboxes = $this->conn->listMailboxes($this->mod_mailbox($root), '*'); - // modify names with root dir - foreach ($a_mboxes as $mbox_name) - { - $name = $this->mod_mailbox($mbox_name, 'out'); - if (strlen($name)) - $a_folders[] = $name; - } + // modify names with root dir + foreach ($a_mboxes as $mbox_name) { + $name = $this->mod_mailbox($mbox_name, 'out'); + if (strlen($name)) + $a_folders[] = $name; + } - // filter folders and sort them - $sa_unsubscribed = $this->_sort_mailbox_list($a_folders); - return $sa_unsubscribed; + // filter folders and sort them + $sa_unsubscribed = $this->_sort_mailbox_list($a_folders); + return $sa_unsubscribed; } - /** - * Get mailbox quota information - * added by Nuny - * - * @return mixed Quota info or False if not supported - */ - function get_quota() + /** + * Get mailbox quota information + * added by Nuny + * + * @return mixed Quota info or False if not supported + */ + function get_quota() { - if ($this->get_capability('QUOTA')) - return iil_C_GetQuota($this->conn); + if ($this->get_capability('QUOTA')) + return $this->conn->getQuota(); - return false; + return false; } - /** - * Subscribe to a specific mailbox(es) - * - * @param array Mailbox name(s) - * @return boolean True on success - */ - function subscribe($a_mboxes) + /** + * Subscribe to a specific mailbox(es) + * + * @param array Mailbox name(s) + * @return boolean True on success + */ + function subscribe($a_mboxes) { - if (!is_array($a_mboxes)) - $a_mboxes = array($a_mboxes); + if (!is_array($a_mboxes)) + $a_mboxes = array($a_mboxes); - // let this common function do the main work - return $this->_change_subscription($a_mboxes, 'subscribe'); + // let this common function do the main work + return $this->_change_subscription($a_mboxes, 'subscribe'); } - /** - * Unsubscribe mailboxes - * - * @param array Mailbox name(s) - * @return boolean True on success - */ - function unsubscribe($a_mboxes) + /** + * Unsubscribe mailboxes + * + * @param array Mailbox name(s) + * @return boolean True on success + */ + function unsubscribe($a_mboxes) { - if (!is_array($a_mboxes)) - $a_mboxes = array($a_mboxes); + if (!is_array($a_mboxes)) + $a_mboxes = array($a_mboxes); - // let this common function do the main work - return $this->_change_subscription($a_mboxes, 'unsubscribe'); + // let this common function do the main work + return $this->_change_subscription($a_mboxes, 'unsubscribe'); } - /** - * Create a new mailbox on the server and register it in local cache - * - * @param string New mailbox name (as utf-7 string) - * @param boolean True if the new mailbox should be subscribed - * @param string Name of the created mailbox, false on error - */ - function create_mailbox($name, $subscribe=false) + /** + * Create a new mailbox on the server and register it in local cache + * + * @param string New mailbox name (as utf-7 string) + * @param boolean True if the new mailbox should be subscribed + * @param string Name of the created mailbox, false on error + */ + function create_mailbox($name, $subscribe=false) { - $result = false; + $result = false; - // reduce mailbox name to 100 chars - $name = substr($name, 0, 100); - $abs_name = $this->mod_mailbox($name); - $result = iil_C_CreateFolder($this->conn, $abs_name); + // reduce mailbox name to 100 chars + $name = substr($name, 0, 100); + $abs_name = $this->mod_mailbox($name); + $result = $this->conn->createFolder($abs_name); - // try to subscribe it - if ($result && $subscribe) - $this->subscribe($name); + // try to subscribe it + if ($result && $subscribe) + $this->subscribe($name); - return $result ? $name : false; + return $result ? $name : false; } - /** - * Set a new name to an existing mailbox - * - * @param string Mailbox to rename (as utf-7 string) - * @param string New mailbox name (as utf-7 string) - * @return string Name of the renames mailbox, False on error - */ - function rename_mailbox($mbox_name, $new_name) + /** + * Set a new name to an existing mailbox + * + * @param string Mailbox to rename (as utf-7 string) + * @param string New mailbox name (as utf-7 string) + * @return string Name of the renames mailbox, False on error + */ + function rename_mailbox($mbox_name, $new_name) { - $result = false; + $result = false; - // encode mailbox name and reduce it to 100 chars - $name = substr($new_name, 0, 100); + // encode mailbox name and reduce it to 100 chars + $name = substr($new_name, 0, 100); - // make absolute path - $mailbox = $this->mod_mailbox($mbox_name); - $abs_name = $this->mod_mailbox($name); + // make absolute path + $mailbox = $this->mod_mailbox($mbox_name); + $abs_name = $this->mod_mailbox($name); - // check if mailbox is subscribed - $a_subscribed = $this->_list_mailboxes(); - $subscribed = in_array($mailbox, $a_subscribed); + // check if mailbox is subscribed + $a_subscribed = $this->_list_mailboxes(); + $subscribed = in_array($mailbox, $a_subscribed); - // unsubscribe folder - if ($subscribed) - iil_C_UnSubscribe($this->conn, $mailbox); + // unsubscribe folder + if ($subscribed) + $this->conn->unsubscribe($mailbox); - if (strlen($abs_name)) - $result = iil_C_RenameFolder($this->conn, $mailbox, $abs_name); + if (strlen($abs_name)) + $result = $this->conn->renameFolder($mailbox, $abs_name); - if ($result) - { - $delm = $this->get_hierarchy_delimiter(); + if ($result) { + $delm = $this->get_hierarchy_delimiter(); - // check if mailbox children are subscribed - foreach ($a_subscribed as $c_subscribed) - if (preg_match('/^'.preg_quote($mailbox.$delm, '/').'/', $c_subscribed)) - { - iil_C_UnSubscribe($this->conn, $c_subscribed); - iil_C_Subscribe($this->conn, preg_replace('/^'.preg_quote($mailbox, '/').'/', $abs_name, $c_subscribed)); - } - - // clear cache - $this->clear_message_cache($mailbox.'.msg'); - $this->clear_cache('mailboxes'); - } + // check if mailbox children are subscribed + foreach ($a_subscribed as $c_subscribed) + if (preg_match('/^'.preg_quote($mailbox.$delm, '/').'/', $c_subscribed)) { + $this->conn->unsubscribe($c_subscribed); + $this->conn->subscribe(preg_replace('/^'.preg_quote($mailbox, '/').'/', + $abs_name, $c_subscribed)); + } + + // clear cache + $this->clear_message_cache($mailbox.'.msg'); + $this->clear_cache('mailboxes'); + } - // try to subscribe it - if ($result && $subscribed) - iil_C_Subscribe($this->conn, $abs_name); + // try to subscribe it + if ($result && $subscribed) + $this->conn->subscribe($abs_name); - return $result ? $name : false; + return $result ? $name : false; } - /** - * Remove mailboxes from server - * - * @param string Mailbox name(s) string/array - * @return boolean True on success - */ - function delete_mailbox($mbox_name) + /** + * Remove mailboxes from server + * + * @param string Mailbox name(s) string/array + * @return boolean True on success + */ + function delete_mailbox($mbox_name) { - $deleted = false; + $deleted = false; - if (is_array($mbox_name)) - $a_mboxes = $mbox_name; - else if (is_string($mbox_name) && strlen($mbox_name)) - $a_mboxes = explode(',', $mbox_name); + if (is_array($mbox_name)) + $a_mboxes = $mbox_name; + else if (is_string($mbox_name) && strlen($mbox_name)) + $a_mboxes = explode(',', $mbox_name); - if (is_array($a_mboxes)) - foreach ($a_mboxes as $mbox_name) - { - $mailbox = $this->mod_mailbox($mbox_name); - $sub_mboxes = iil_C_ListMailboxes($this->conn, $this->mod_mailbox(''), - $mbox_name . $this->delimiter . '*'); + if (is_array($a_mboxes)) { + foreach ($a_mboxes as $mbox_name) { + $mailbox = $this->mod_mailbox($mbox_name); + $sub_mboxes = $this->conn->listMailboxes($this->mod_mailbox(''), + $mbox_name . $this->delimiter . '*'); - // unsubscribe mailbox before deleting - iil_C_UnSubscribe($this->conn, $mailbox); + // unsubscribe mailbox before deleting + $this->conn->unsubscribe($mailbox); - // send delete command to server - $result = iil_C_DeleteFolder($this->conn, $mailbox); - if ($result >= 0) { - $deleted = true; - $this->clear_message_cache($mailbox.'.msg'); - } + // send delete command to server + $result = $this->conn->deleteFolder($mailbox); + if ($result >= 0) { + $deleted = true; + $this->clear_message_cache($mailbox.'.msg'); + } - foreach ($sub_mboxes as $c_mbox) - if ($c_mbox != 'INBOX') { - iil_C_UnSubscribe($this->conn, $c_mbox); - $result = iil_C_DeleteFolder($this->conn, $c_mbox); - if ($result >= 0) { - $deleted = true; - $this->clear_message_cache($c_mbox.'.msg'); + foreach ($sub_mboxes as $c_mbox) { + if ($c_mbox != 'INBOX') { + $this->conn->unsubscribe($c_mbox); + $result = $this->conn->deleteFolder($c_mbox); + if ($result >= 0) { + $deleted = true; + $this->clear_message_cache($c_mbox.'.msg'); + } + } + } } - } } - // clear mailboxlist cache - if ($deleted) - $this->clear_cache('mailboxes'); + // clear mailboxlist cache + if ($deleted) + $this->clear_cache('mailboxes'); - return $deleted; + return $deleted; } - /** - * Create all folders specified as default - */ - function create_default_folders() + /** + * Create all folders specified as default + */ + function create_default_folders() { - // create default folders if they do not exist - foreach ($this->default_folders as $folder) - { - if (!$this->mailbox_exists($folder)) - $this->create_mailbox($folder, true); - else if (!$this->mailbox_exists($folder, true)) - $this->subscribe($folder); - } + // create default folders if they do not exist + foreach ($this->default_folders as $folder) { + if (!$this->mailbox_exists($folder)) + $this->create_mailbox($folder, true); + else if (!$this->mailbox_exists($folder, true)) + $this->subscribe($folder); + } } - /** - * Checks if folder exists and is subscribed - * - * @param string Folder name - * @param boolean Enable subscription checking - * @return boolean TRUE or FALSE - */ - function mailbox_exists($mbox_name, $subscription=false) + /** + * Checks if folder exists and is subscribed + * + * @param string Folder name + * @param boolean Enable subscription checking + * @return boolean TRUE or FALSE + */ + function mailbox_exists($mbox_name, $subscription=false) { - if ($mbox_name) { - if ($mbox_name == 'INBOX') - return true; + if ($mbox_name) { + if ($mbox_name == 'INBOX') + return true; - if ($subscription) { - if ($a_folders = iil_C_ListSubscribed($this->conn, $this->mod_mailbox(''), $mbox_name)) - return true; - } - else { - $a_folders = iil_C_ListMailboxes($this->conn, $this->mod_mailbox(''), $mbox_mbox); + if ($subscription) { + if ($a_folders = $this->conn->listSubscribed($this->mod_mailbox(''), $mbox_name)) + return true; + } + else { + $a_folders = $this->conn->listMailboxes($this->mod_mailbox(''), $mbox_mbox); - if (is_array($a_folders) && in_array($this->mod_mailbox($mbox_name), $a_folders)) - return true; + if (is_array($a_folders) && in_array($this->mod_mailbox($mbox_name), $a_folders)) + return true; + } } - } - return false; + return false; } + /** + * Modify folder name for input/output according to root dir and namespace + * + * @param string Folder name + * @param string Mode + * @return string Folder name + */ + function mod_mailbox($mbox_name, $mode='in') + { + if ($mbox_name == 'INBOX') + return $mbox_name; + + if (!empty($this->root_dir)) { + if ($mode=='in') + $mbox_name = $this->root_dir.$this->delimiter.$mbox_name; + else if (!empty($mbox_name)) // $mode=='out' + $mbox_name = substr($mbox_name, strlen($this->root_dir)+1); + } + + return $mbox_name; + } + - /* -------------------------------- - * internal caching methods - * --------------------------------*/ + /* -------------------------------- + * internal caching methods + * --------------------------------*/ - /** - * @access private - */ - function set_caching($set) + /** + * @access public + */ + function set_caching($set) { - if ($set && is_object($this->db)) - $this->caching_enabled = true; - else - $this->caching_enabled = false; + if ($set && is_object($this->db)) + $this->caching_enabled = true; + else + $this->caching_enabled = false; } - /** - * @access private - */ - function get_cache($key) + /** + * @access public + */ + function get_cache($key) { - // read cache (if it was not read before) - if (!count($this->cache) && $this->caching_enabled) - { - return $this->_read_cache_record($key); - } + // read cache (if it was not read before) + if (!count($this->cache) && $this->caching_enabled) { + return $this->_read_cache_record($key); + } - return $this->cache[$key]; + return $this->cache[$key]; } - /** - * @access private - */ - function update_cache($key, $data) + /** + * @access private + */ + private function update_cache($key, $data) { - $this->cache[$key] = $data; - $this->cache_changed = true; - $this->cache_changes[$key] = true; + $this->cache[$key] = $data; + $this->cache_changed = true; + $this->cache_changes[$key] = true; } - /** - * @access private - */ - function write_cache() + /** + * @access private + */ + private function write_cache() { - if ($this->caching_enabled && $this->cache_changed) - { - foreach ($this->cache as $key => $data) - { - if ($this->cache_changes[$key]) - $this->_write_cache_record($key, serialize($data)); - } - } - } - - /** - * @access private - */ - function clear_cache($key=NULL) - { - if (!$this->caching_enabled) - return; - - if ($key===NULL) - { - foreach ($this->cache as $key => $data) - $this->_clear_cache_record($key); - - $this->cache = array(); - $this->cache_changed = false; - $this->cache_changes = array(); - } - else - { - $this->_clear_cache_record($key); - $this->cache_changes[$key] = false; - unset($this->cache[$key]); - } - } - - /** - * @access private - */ - private function _read_cache_record($key) - { - if ($this->db) - { - // get cached data from DB - $sql_result = $this->db->query( - "SELECT cache_id, data, cache_key - FROM ".get_table_name('cache')." - WHERE user_id=? - AND cache_key LIKE 'IMAP.%'", - $_SESSION['user_id']); - - while ($sql_arr = $this->db->fetch_assoc($sql_result)) - { - $sql_key = preg_replace('/^IMAP\./', '', $sql_arr['cache_key']); - $this->cache_keys[$sql_key] = $sql_arr['cache_id']; - if (!isset($this->cache[$sql_key])) - $this->cache[$sql_key] = $sql_arr['data'] ? unserialize($sql_arr['data']) : false; - } - } - - return $this->cache[$key]; - } - - /** - * @access private - */ - private function _write_cache_record($key, $data) - { - if (!$this->db) - return false; - - // update existing cache record - if ($this->cache_keys[$key]) - { - $this->db->query( - "UPDATE ".get_table_name('cache')." - SET created=". $this->db->now().", data=? - WHERE user_id=? - AND cache_key=?", - $data, - $_SESSION['user_id'], - 'IMAP.'.$key); - } - // add new cache record - else - { - $this->db->query( - "INSERT INTO ".get_table_name('cache')." - (created, user_id, cache_key, data) - VALUES (".$this->db->now().", ?, ?, ?)", - $_SESSION['user_id'], - 'IMAP.'.$key, - $data); - - // get cache entry ID for this key - $sql_result = $this->db->query( - "SELECT cache_id - FROM ".get_table_name('cache')." - WHERE user_id=? - AND cache_key=?", - $_SESSION['user_id'], - 'IMAP.'.$key); - - if ($sql_arr = $this->db->fetch_assoc($sql_result)) - $this->cache_keys[$key] = $sql_arr['cache_id']; - } + if ($this->caching_enabled && $this->cache_changed) { + foreach ($this->cache as $key => $data) { + if ($this->cache_changes[$key]) + $this->_write_cache_record($key, serialize($data)); + } + } } - /** - * @access private - */ - private function _clear_cache_record($key) + /** + * @access public + */ + function clear_cache($key=NULL) { - $this->db->query( - "DELETE FROM ".get_table_name('cache')." - WHERE user_id=? - AND cache_key=?", - $_SESSION['user_id'], - 'IMAP.'.$key); + if (!$this->caching_enabled) + return; + + if ($key===NULL) { + foreach ($this->cache as $key => $data) + $this->_clear_cache_record($key); + + $this->cache = array(); + $this->cache_changed = false; + $this->cache_changes = array(); + } + else { + $this->_clear_cache_record($key); + $this->cache_changes[$key] = false; + unset($this->cache[$key]); + } + } + + /** + * @access private + */ + private function _read_cache_record($key) + { + if ($this->db) { + // get cached data from DB + $sql_result = $this->db->query( + "SELECT cache_id, data, cache_key ". + "FROM ".get_table_name('cache'). + " WHERE user_id=? ". + "AND cache_key LIKE 'IMAP.%'", + $_SESSION['user_id']); + + while ($sql_arr = $this->db->fetch_assoc($sql_result)) { + $sql_key = preg_replace('/^IMAP\./', '', $sql_arr['cache_key']); + $this->cache_keys[$sql_key] = $sql_arr['cache_id']; + if (!isset($this->cache[$sql_key])) + $this->cache[$sql_key] = $sql_arr['data'] ? unserialize($sql_arr['data']) : false; + } + } + + return $this->cache[$key]; + } + + /** + * @access private + */ + private function _write_cache_record($key, $data) + { + if (!$this->db) + return false; + + // update existing cache record + if ($this->cache_keys[$key]) { + $this->db->query( + "UPDATE ".get_table_name('cache'). + " SET created=". $this->db->now().", data=? ". + "WHERE user_id=? ". + "AND cache_key=?", + $data, + $_SESSION['user_id'], + 'IMAP.'.$key); + } + // add new cache record + else { + $this->db->query( + "INSERT INTO ".get_table_name('cache'). + " (created, user_id, cache_key, data) ". + "VALUES (".$this->db->now().", ?, ?, ?)", + $_SESSION['user_id'], + 'IMAP.'.$key, + $data); + + // get cache entry ID for this key + $sql_result = $this->db->query( + "SELECT cache_id ". + "FROM ".get_table_name('cache'). + " WHERE user_id=? ". + "AND cache_key=?", + $_SESSION['user_id'], + 'IMAP.'.$key); + + if ($sql_arr = $this->db->fetch_assoc($sql_result)) + $this->cache_keys[$key] = $sql_arr['cache_id']; + } + } + + /** + * @access private + */ + private function _clear_cache_record($key) + { + $this->db->query( + "DELETE FROM ".get_table_name('cache'). + " WHERE user_id=? ". + "AND cache_key=?", + $_SESSION['user_id'], + 'IMAP.'.$key); - unset($this->cache_keys[$key]); + unset($this->cache_keys[$key]); } - /* -------------------------------- - * message caching methods - * --------------------------------*/ + /* -------------------------------- + * message caching methods + * --------------------------------*/ - - /** - * Checks if the cache is up-to-date - * - * @param string Mailbox name - * @param string Internal cache key - * @return int Cache status: -3 = off, -2 = incomplete, -1 = dirty - */ - private function check_cache_status($mailbox, $cache_key) - { - if (!$this->caching_enabled) - return -3; - - $cache_index = $this->get_message_cache_index($cache_key); - $msg_count = $this->_messagecount($mailbox); - $cache_count = count($cache_index); - - // empty mailbox - if (!$msg_count) - return $cache_count ? -2 : 1; - - // @TODO: We've got one big performance problem in cache status checking method - // E.g. mailbox contains 1000 messages, in cache table we've got first 100 - // of them. Now if we want to display only that 100 (which we've got) - // check_cache_status returns 'incomplete' and messages are fetched - // from IMAP instead of DB. - - if ($cache_count==$msg_count) { - if ($this->skip_deleted) { - $h_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", 'UID', $this->skip_deleted); - - if (sizeof($h_index) == $cache_count) { - $cache_index = array_flip($cache_index); - foreach ($h_index as $idx => $uid) - unset($cache_index[$uid]); - - if (empty($cache_index)) - return 1; - } - return -2; - } else { - // get UID of message with highest index - $uid = iil_C_ID2UID($this->conn, $mailbox, $msg_count); - $cache_uid = array_pop($cache_index); + /** + * Checks if the cache is up-to-date + * + * @param string Mailbox name + * @param string Internal cache key + * @return int Cache status: -3 = off, -2 = incomplete, -1 = dirty, 1 = OK + */ + private function check_cache_status($mailbox, $cache_key) + { + if (!$this->caching_enabled) + return -3; + + $cache_index = $this->get_message_cache_index($cache_key); + $msg_count = $this->_messagecount($mailbox); + $cache_count = count($cache_index); + + // empty mailbox + if (!$msg_count) + return $cache_count ? -2 : 1; + + // @TODO: We've got one big performance problem in cache status checking method + // E.g. mailbox contains 1000 messages, in cache table we've got first 100 + // of them. Now if we want to display only that 100 (which we've got) + // check_cache_status returns 'incomplete' and messages are fetched + // from IMAP instead of DB. + + if ($cache_count==$msg_count) { + if ($this->skip_deleted) { + $h_index = $this->conn->fetchHeaderIndex($mailbox, "1:*", 'UID', $this->skip_deleted); + + if (empty($h_index)) + return -2; + + if (sizeof($h_index) == $cache_count) { + $cache_index = array_flip($cache_index); + foreach ($h_index as $idx => $uid) + unset($cache_index[$uid]); + + if (empty($cache_index)) + return 1; + } + return -2; + } else { + // get UID of message with highest index + $uid = $this->conn->ID2UID($mailbox, $msg_count); + $cache_uid = array_pop($cache_index); - // uids of highest message matches -> cache seems OK - if ($cache_uid == $uid) - return 1; - } - // cache is dirty - return -1; - } - // if cache count differs less than 10% report as dirty - else if (abs($msg_count - $cache_count) < $msg_count/10) - return -1; - else - return -2; - } - - /** - * @access private - */ - private function get_message_cache($key, $from, $to, $sort_field, $sort_order) - { - $cache_key = "$key:$from:$to:$sort_field:$sort_order"; - - $config = rcmail::get_instance()->config; - - // use idx sort as default sorting - if (!$sort_field || !in_array($sort_field, $this->db_header_fields)) { - $sort_field = 'idx'; - } - - if ($this->caching_enabled && !isset($this->cache[$cache_key])) - { - $this->cache[$cache_key] = array(); - $sql_result = $this->db->limitquery( - "SELECT idx, uid, headers - FROM ".get_table_name('messages')." - WHERE user_id=? - AND cache_key=? - ORDER BY ".$this->db->quoteIdentifier($sort_field)." ".strtoupper($sort_order), - $from, - $to-$from, - $_SESSION['user_id'], - $key); - - while ($sql_arr = $this->db->fetch_assoc($sql_result)) - { - $uid = $sql_arr['uid']; - $this->cache[$cache_key][$uid] = $this->db->decode(unserialize($sql_arr['headers'])); + // uids of highest message matches -> cache seems OK + if ($cache_uid == $uid) + return 1; + } + // cache is dirty + return -1; + } + // if cache count differs less than 10% report as dirty + else if (abs($msg_count - $cache_count) < $msg_count/10) + return -1; + else + return -2; + } - // featch headers if unserialize failed - if (empty($this->cache[$cache_key][$uid])) - $this->cache[$cache_key][$uid] = iil_C_FetchHeader($this->conn, preg_replace('/.msg$/', '', $key), $uid, true, $this->fetch_add_headers); + /** + * @access private + */ + private function get_message_cache($key, $from, $to, $sort_field, $sort_order) + { + $cache_key = "$key:$from:$to:$sort_field:$sort_order"; + + // use idx sort as default sorting + if (!$sort_field || !in_array($sort_field, $this->db_header_fields)) { + $sort_field = 'idx'; + } + + if ($this->caching_enabled && !isset($this->cache[$cache_key])) { + $this->cache[$cache_key] = array(); + $sql_result = $this->db->limitquery( + "SELECT idx, uid, headers". + " FROM ".get_table_name('messages'). + " WHERE user_id=?". + " AND cache_key=?". + " ORDER BY ".$this->db->quoteIdentifier($sort_field)." ".strtoupper($sort_order), + $from, + $to - $from, + $_SESSION['user_id'], + $key); + + while ($sql_arr = $this->db->fetch_assoc($sql_result)) { + $uid = $sql_arr['uid']; + $this->cache[$cache_key][$uid] = $this->db->decode(unserialize($sql_arr['headers'])); + + // featch headers if unserialize failed + if (empty($this->cache[$cache_key][$uid])) + $this->cache[$cache_key][$uid] = $this->conn->fetchHeader( + preg_replace('/.msg$/', '', $key), $uid, true, $this->fetch_add_headers); + } } - } - return $this->cache[$cache_key]; + return $this->cache[$cache_key]; } - /** - * @access private - */ - private function &get_cached_message($key, $uid) + /** + * @access private + */ + private function &get_cached_message($key, $uid) { - $internal_key = 'message'; + $internal_key = 'message'; - if ($this->caching_enabled && !isset($this->icache[$internal_key][$uid])) - { - $sql_result = $this->db->query( - "SELECT idx, headers, structure - FROM ".get_table_name('messages')." - WHERE user_id=? - AND cache_key=? - AND uid=?", - $_SESSION['user_id'], - $key, - $uid); + if ($this->caching_enabled && !isset($this->icache[$internal_key][$uid])) { + $sql_result = $this->db->query( + "SELECT idx, headers, structure". + " FROM ".get_table_name('messages'). + " WHERE user_id=?". + " AND cache_key=?". + " AND uid=?", + $_SESSION['user_id'], + $key, + $uid); - if ($sql_arr = $this->db->fetch_assoc($sql_result)) - { - $this->uid_id_map[preg_replace('/\.msg$/', '', $key)][$uid] = $sql_arr['idx']; - $this->icache[$internal_key][$uid] = $this->db->decode(unserialize($sql_arr['headers'])); - if (is_object($this->icache[$internal_key][$uid]) && !empty($sql_arr['structure'])) - $this->icache[$internal_key][$uid]->structure = $this->db->decode(unserialize($sql_arr['structure'])); + if ($sql_arr = $this->db->fetch_assoc($sql_result)) { + $this->uid_id_map[preg_replace('/\.msg$/', '', $key)][$uid] = $sql_arr['idx']; + $this->icache[$internal_key][$uid] = $this->db->decode(unserialize($sql_arr['headers'])); + if (is_object($this->icache[$internal_key][$uid]) && !empty($sql_arr['structure'])) + $this->icache[$internal_key][$uid]->structure = $this->db->decode(unserialize($sql_arr['structure'])); + } } - } - return $this->icache[$internal_key][$uid]; + return $this->icache[$internal_key][$uid]; } - /** - * @access private - */ - private function get_message_cache_index($key, $force=false, $sort_field='idx', $sort_order='ASC') + /** + * @access private + */ + private function get_message_cache_index($key, $force=false, $sort_field='idx', $sort_order='ASC') { - static $sa_message_index = array(); + static $sa_message_index = array(); - // empty key -> empty array - if (!$this->caching_enabled || empty($key)) - return array(); + // empty key -> empty array + if (!$this->caching_enabled || empty($key)) + return array(); - if (!empty($sa_message_index[$key]) && !$force) - return $sa_message_index[$key]; + if (!empty($sa_message_index[$key]) && !$force) + return $sa_message_index[$key]; - // use idx sort as default - if (!$sort_field || !in_array($sort_field, $this->db_header_fields)) - $sort_field = 'idx'; + // use idx sort as default + if (!$sort_field || !in_array($sort_field, $this->db_header_fields)) + $sort_field = 'idx'; - $sa_message_index[$key] = array(); - $sql_result = $this->db->query( - "SELECT idx, uid - FROM ".get_table_name('messages')." - WHERE user_id=? - AND cache_key=? - ORDER BY ".$this->db->quote_identifier($sort_field)." ".$sort_order, - $_SESSION['user_id'], - $key); + $sa_message_index[$key] = array(); + $sql_result = $this->db->query( + "SELECT idx, uid". + " FROM ".get_table_name('messages'). + " WHERE user_id=?". + " AND cache_key=?". + " ORDER BY ".$this->db->quote_identifier($sort_field)." ".$sort_order, + $_SESSION['user_id'], + $key); - while ($sql_arr = $this->db->fetch_assoc($sql_result)) - $sa_message_index[$key][$sql_arr['idx']] = $sql_arr['uid']; + while ($sql_arr = $this->db->fetch_assoc($sql_result)) + $sa_message_index[$key][$sql_arr['idx']] = $sql_arr['uid']; - return $sa_message_index[$key]; - } - - /** - * @access private - */ - private function add_message_cache($key, $index, $headers, $struct=null, $force=false) - { - if (empty($key) || !is_object($headers) || empty($headers->uid)) - return; - - // add to internal (fast) cache - $this->icache['message'][$headers->uid] = clone $headers; - $this->icache['message'][$headers->uid]->structure = $struct; - - // no further caching - if (!$this->caching_enabled) - return; - - // check for an existing record (probly headers are cached but structure not) - if (!$force) { - $sql_result = $this->db->query( - "SELECT message_id - FROM ".get_table_name('messages')." - WHERE user_id=? - AND cache_key=? - AND uid=?", - $_SESSION['user_id'], - $key, - $headers->uid); - if ($sql_arr = $this->db->fetch_assoc($sql_result)) - $message_id = $sql_arr['message_id']; - } - - // update cache record - if ($message_id) - { - $this->db->query( - "UPDATE ".get_table_name('messages')." - SET idx=?, headers=?, structure=? - WHERE message_id=?", - $index, - serialize($this->db->encode(clone $headers)), - is_object($struct) ? serialize($this->db->encode(clone $struct)) : NULL, - $message_id - ); - } - else // insert new record - { - $this->db->query( - "INSERT INTO ".get_table_name('messages')." - (user_id, del, cache_key, created, idx, uid, subject, ".$this->db->quoteIdentifier('from').", ".$this->db->quoteIdentifier('to').", cc, date, size, headers, structure) - VALUES (?, 0, ?, ".$this->db->now().", ?, ?, ?, ?, ?, ?, ".$this->db->fromunixtime($headers->timestamp).", ?, ?, ?)", - $_SESSION['user_id'], - $key, - $index, - $headers->uid, - (string)mb_substr($this->db->encode($this->decode_header($headers->subject, true)), 0, 128), - (string)mb_substr($this->db->encode($this->decode_header($headers->from, true)), 0, 128), - (string)mb_substr($this->db->encode($this->decode_header($headers->to, true)), 0, 128), - (string)mb_substr($this->db->encode($this->decode_header($headers->cc, true)), 0, 128), - (int)$headers->size, - serialize($this->db->encode(clone $headers)), - is_object($struct) ? serialize($this->db->encode(clone $struct)) : NULL - ); - } - } - - /** - * @access private - */ - private function remove_message_cache($key, $ids, $idx=false) - { - if (!$this->caching_enabled) - return; - - $this->db->query( - "DELETE FROM ".get_table_name('messages')." - WHERE user_id=? - AND cache_key=? - AND ".($idx ? "idx" : "uid")." IN (".$this->db->array2list($ids, 'integer').")", - $_SESSION['user_id'], - $key); - } - - /** - * @access private - */ - private function clear_message_cache($key, $start_index=1) - { - if (!$this->caching_enabled) - return; - - $this->db->query( - "DELETE FROM ".get_table_name('messages')." - WHERE user_id=? - AND cache_key=? - AND idx>=?", - $_SESSION['user_id'], $key, $start_index); - } - - /** - * @access private - */ - private function get_message_cache_index_min($key, $uids=NULL) - { - if (!$this->caching_enabled) - return; - - if (!empty($uids) && !is_array($uids)) { - if ($uids == '*' || $uids == '1:*') - $uids = NULL; - else - $uids = explode(',', $uids); - } - - $sql_result = $this->db->query( - "SELECT MIN(idx) AS minidx - FROM ".get_table_name('messages')." - WHERE user_id=? - AND cache_key=?" - .(!empty($uids) ? " AND uid IN (".$this->db->array2list($uids, 'integer').")" : ''), - $_SESSION['user_id'], - $key); - - if ($sql_arr = $this->db->fetch_assoc($sql_result)) - return $sql_arr['minidx']; - else - return 0; - } - - - /* -------------------------------- - * encoding/decoding methods - * --------------------------------*/ - - /** - * Split an address list into a structured array list - * - * @param string Input string - * @param int List only this number of addresses - * @param boolean Decode address strings - * @return array Indexed list of addresses - */ - function decode_address_list($input, $max=null, $decode=true) - { - $a = $this->_parse_address_list($input, $decode); - $out = array(); - // Special chars as defined by RFC 822 need to in quoted string (or escaped). - $special_chars = '[\(\)\<\>\\\.\[\]@,;:"]'; - - if (!is_array($a)) - return $out; - - $c = count($a); - $j = 0; - - foreach ($a as $val) - { - $j++; - $address = trim($val['address']); - $name = trim($val['name']); - - if (preg_match('/^[\'"]/', $name) && preg_match('/[\'"]$/', $name)) - $name = preg_replace(array('/^[\'"]/', '/[\'"]$/'), '', $name); - - if ($name && $address && $name != $address) - $string = sprintf('%s <%s>', preg_match("/$special_chars/", $name) ? '"'.addcslashes($name, '"').'"' : $name, $address); - else if ($address) - $string = $address; - else if ($name) - $string = $name; + return $sa_message_index[$key]; + } + + /** + * @access private + */ + private function add_message_cache($key, $index, $headers, $struct=null, $force=false) + { + if (empty($key) || !is_object($headers) || empty($headers->uid)) + return; + + // add to internal (fast) cache + $this->icache['message'][$headers->uid] = clone $headers; + $this->icache['message'][$headers->uid]->structure = $struct; + + // no further caching + if (!$this->caching_enabled) + return; + + // check for an existing record (probly headers are cached but structure not) + if (!$force) { + $sql_result = $this->db->query( + "SELECT message_id". + " FROM ".get_table_name('messages'). + " WHERE user_id=?". + " AND cache_key=?". + " AND uid=?", + $_SESSION['user_id'], + $key, + $headers->uid); + + if ($sql_arr = $this->db->fetch_assoc($sql_result)) + $message_id = $sql_arr['message_id']; + } + + // update cache record + if ($message_id) { + $this->db->query( + "UPDATE ".get_table_name('messages'). + " SET idx=?, headers=?, structure=?". + " WHERE message_id=?", + $index, + serialize($this->db->encode(clone $headers)), + is_object($struct) ? serialize($this->db->encode(clone $struct)) : NULL, + $message_id + ); + } + else { // insert new record + $this->db->query( + "INSERT INTO ".get_table_name('messages'). + " (user_id, del, cache_key, created, idx, uid, subject, ". + $this->db->quoteIdentifier('from').", ". + $this->db->quoteIdentifier('to').", ". + "cc, date, size, headers, structure)". + " VALUES (?, 0, ?, ".$this->db->now().", ?, ?, ?, ?, ?, ?, ". + $this->db->fromunixtime($headers->timestamp).", ?, ?, ?)", + $_SESSION['user_id'], + $key, + $index, + $headers->uid, + (string)mb_substr($this->db->encode($this->decode_header($headers->subject, true)), 0, 128), + (string)mb_substr($this->db->encode($this->decode_header($headers->from, true)), 0, 128), + (string)mb_substr($this->db->encode($this->decode_header($headers->to, true)), 0, 128), + (string)mb_substr($this->db->encode($this->decode_header($headers->cc, true)), 0, 128), + (int)$headers->size, + serialize($this->db->encode(clone $headers)), + is_object($struct) ? serialize($this->db->encode(clone $struct)) : NULL + ); + } + } + + /** + * @access private + */ + private function remove_message_cache($key, $ids, $idx=false) + { + if (!$this->caching_enabled) + return; + + $this->db->query( + "DELETE FROM ".get_table_name('messages'). + " WHERE user_id=?". + " AND cache_key=?". + " AND ".($idx ? "idx" : "uid")." IN (".$this->db->array2list($ids, 'integer').")", + $_SESSION['user_id'], + $key); + } + + /** + * @access private + */ + private function clear_message_cache($key, $start_index=1) + { + if (!$this->caching_enabled) + return; + + $this->db->query( + "DELETE FROM ".get_table_name('messages'). + " WHERE user_id=?". + " AND cache_key=?". + " AND idx>=?", + $_SESSION['user_id'], $key, $start_index); + } + + /** + * @access private + */ + private function get_message_cache_index_min($key, $uids=NULL) + { + if (!$this->caching_enabled) + return; + + if (!empty($uids) && !is_array($uids)) { + if ($uids == '*' || $uids == '1:*') + $uids = NULL; + else + $uids = explode(',', $uids); + } + + $sql_result = $this->db->query( + "SELECT MIN(idx) AS minidx". + " FROM ".get_table_name('messages'). + " WHERE user_id=?". + " AND cache_key=?" + .(!empty($uids) ? " AND uid IN (".$this->db->array2list($uids, 'integer').")" : ''), + $_SESSION['user_id'], + $key); + + if ($sql_arr = $this->db->fetch_assoc($sql_result)) + return $sql_arr['minidx']; + else + return 0; + } + + + /* -------------------------------- + * encoding/decoding methods + * --------------------------------*/ + + /** + * Split an address list into a structured array list + * + * @param string Input string + * @param int List only this number of addresses + * @param boolean Decode address strings + * @return array Indexed list of addresses + */ + function decode_address_list($input, $max=null, $decode=true) + { + $a = $this->_parse_address_list($input, $decode); + $out = array(); + // Special chars as defined by RFC 822 need to in quoted string (or escaped). + $special_chars = '[\(\)\<\>\\\.\[\]@,;:"]'; + + if (!is_array($a)) + return $out; + + $c = count($a); + $j = 0; + + foreach ($a as $val) { + $j++; + $address = trim($val['address']); + $name = trim($val['name']); + + if (preg_match('/^[\'"]/', $name) && preg_match('/[\'"]$/', $name)) + $name = preg_replace(array('/^[\'"]/', '/[\'"]$/'), '', $name); + + if ($name && $address && $name != $address) + $string = sprintf('%s <%s>', preg_match("/$special_chars/", $name) ? '"'.addcslashes($name, '"').'"' : $name, $address); + else if ($address) + $string = $address; + else if ($name) + $string = $name; - $out[$j] = array('name' => $name, - 'mailto' => $address, - 'string' => $string); + $out[$j] = array('name' => $name, + 'mailto' => $address, + 'string' => $string + ); - if ($max && $j==$max) - break; - } + if ($max && $j==$max) + break; + } - return $out; + return $out; } - /** - * Decode a Microsoft Outlook TNEF part (winmail.dat) - * - * @param object rcube_message_part Message part to decode - * @param string UID of the message - * @return array List of rcube_message_parts extracted from windmail.dat - */ - function tnef_decode(&$part, $uid) - { - if (!isset($part->body)) - $part->body = $this->get_message_part($uid, $part->mime_id, $part); - - $pid = 0; - $tnef_parts = array(); - $tnef_arr = tnef_decode($part->body); - foreach ($tnef_arr as $winatt) { - $tpart = new rcube_message_part; - $tpart->filename = $winatt["name"]; - $tpart->encoding = 'stream'; - $tpart->ctype_primary = $winatt["type0"]; - $tpart->ctype_secondary = $winatt["type1"]; - $tpart->mimetype = strtolower($winatt["type0"] . "/" . $winatt["type1"]); - $tpart->mime_id = "winmail." . $part->mime_id . ".$pid"; - $tpart->size = $winatt["size"]; - $tpart->body = $winatt['stream']; - - $tnef_parts[] = $tpart; - $pid++; - } + /** + * Decode a Microsoft Outlook TNEF part (winmail.dat) + * + * @param object rcube_message_part Message part to decode + * @param string UID of the message + * @return array List of rcube_message_parts extracted from windmail.dat + */ + function tnef_decode(&$part, $uid) + { + if (!isset($part->body)) + $part->body = $this->get_message_part($uid, $part->mime_id, $part); + + $pid = 0; + $tnef_parts = array(); + $tnef_arr = tnef_decode($part->body); + + foreach ($tnef_arr as $winatt) { + $tpart = new rcube_message_part; + $tpart->filename = $winatt["name"]; + $tpart->encoding = 'stream'; + $tpart->ctype_primary = $winatt["type0"]; + $tpart->ctype_secondary = $winatt["type1"]; + $tpart->mimetype = strtolower($winatt["type0"] . "/" . $winatt["type1"]); + $tpart->mime_id = "winmail." . $part->mime_id . ".$pid"; + $tpart->size = $winatt["size"]; + $tpart->body = $winatt['stream']; + + $tnef_parts[] = $tpart; + $pid++; + } - return $tnef_parts; - } + return $tnef_parts; + } - /** - * Decode a message header value - * - * @param string Header value - * @param boolean Remove quotes if necessary - * @return string Decoded string - */ - function decode_header($input, $remove_quotes=false) + /** + * Decode a message header value + * + * @param string Header value + * @param boolean Remove quotes if necessary + * @return string Decoded string + */ + function decode_header($input, $remove_quotes=false) { - $str = rcube_imap::decode_mime_string((string)$input, $this->default_charset); - if ($str{0}=='"' && $remove_quotes) - $str = str_replace('"', '', $str); + $str = rcube_imap::decode_mime_string((string)$input, $this->default_charset); + if ($str{0}=='"' && $remove_quotes) + $str = str_replace('"', '', $str); - return $str; + return $str; } - /** - * Decode a mime-encoded string to internal charset - * - * @param string $input Header value - * @param string $fallback Fallback charset if none specified - * - * @return string Decoded string - * @static - */ - public static function decode_mime_string($input, $fallback=null) + /** + * Decode a mime-encoded string to internal charset + * + * @param string $input Header value + * @param string $fallback Fallback charset if none specified + * + * @return string Decoded string + * @static + */ + public static function decode_mime_string($input, $fallback=null) { - // Initialize variable - $out = ''; + // Initialize variable + $out = ''; - // Iterate instead of recursing, this way if there are too many values we don't have stack overflows - // rfc: all line breaks or other characters not found - // in the Base64 Alphabet must be ignored by decoding software - // delete all blanks between MIME-lines, differently we can - // receive unnecessary blanks and broken utf-8 symbols - $input = preg_replace("/\?=\s+=\?/", '?==?', $input); + // Iterate instead of recursing, this way if there are too many values we don't have stack overflows + // rfc: all line breaks or other characters not found + // in the Base64 Alphabet must be ignored by decoding software + // delete all blanks between MIME-lines, differently we can + // receive unnecessary blanks and broken utf-8 symbols + $input = preg_replace("/\?=\s+=\?/", '?==?', $input); - // Check if there is stuff to decode - if (strpos($input, '=?') !== false) { - // Loop through the string to decode all occurences of =? ?= into the variable $out - while(($pos = strpos($input, '=?')) !== false) { - // Append everything that is before the text to be decoded - $out .= substr($input, 0, $pos); + // Check if there is stuff to decode + if (strpos($input, '=?') !== false) { + // Loop through the string to decode all occurences of =? ?= into the variable $out + while(($pos = strpos($input, '=?')) !== false) { + // Append everything that is before the text to be decoded + $out .= substr($input, 0, $pos); - // Get the location of the text to decode - $end_cs_pos = strpos($input, "?", $pos+2); - $end_en_pos = strpos($input, "?", $end_cs_pos+1); - $end_pos = strpos($input, "?=", $end_en_pos+1); + // Get the location of the text to decode + $end_cs_pos = strpos($input, "?", $pos+2); + $end_en_pos = strpos($input, "?", $end_cs_pos+1); + $end_pos = strpos($input, "?=", $end_en_pos+1); - // Extract the encoded string - $encstr = substr($input, $pos+2, ($end_pos-$pos-2)); - // Extract the remaining string - $input = substr($input, $end_pos+2); + // Extract the encoded string + $encstr = substr($input, $pos+2, ($end_pos-$pos-2)); + // Extract the remaining string + $input = substr($input, $end_pos+2); - // Decode the string fragement - $out .= rcube_imap::_decode_mime_string_part($encstr); - } + // Decode the string fragement + $out .= rcube_imap::_decode_mime_string_part($encstr); + } - // Deocde the rest (if any) - if (strlen($input) != 0) - $out .= rcube_imap::decode_mime_string($input, $fallback); + // Deocde the rest (if any) + if (strlen($input) != 0) + $out .= rcube_imap::decode_mime_string($input, $fallback); - // return the results - return $out; - } + // return the results + return $out; + } - // no encoding information, use fallback - return rcube_charset_convert($input, - !empty($fallback) ? $fallback : rcmail::get_instance()->config->get('default_charset', 'ISO-8859-1')); + // no encoding information, use fallback + return rcube_charset_convert($input, + !empty($fallback) ? $fallback : rcmail::get_instance()->config->get('default_charset', 'ISO-8859-1')); } - /** - * Decode a part of a mime-encoded string - * - * @access private - */ - private function _decode_mime_string_part($str) + /** + * Decode a part of a mime-encoded string + * + * @access private + */ + private function _decode_mime_string_part($str) { - $a = explode('?', $str); - $count = count($a); + $a = explode('?', $str); + $count = count($a); - // should be in format "charset?encoding?base64_string" - if ($count >= 3) - { - for ($i=2; $i<$count; $i++) - $rest.=$a[$i]; + // should be in format "charset?encoding?base64_string" + if ($count >= 3) { + for ($i=2; $i<$count; $i++) + $rest .= $a[$i]; - if (($a[1]=="B")||($a[1]=="b")) - $rest = base64_decode($rest); - else if (($a[1]=="Q")||($a[1]=="q")) - { - $rest = str_replace("_", " ", $rest); - $rest = quoted_printable_decode($rest); + if (($a[1]=='B') || ($a[1]=='b')) + $rest = base64_decode($rest); + else if (($a[1]=='Q') || ($a[1]=='q')) { + $rest = str_replace('_', ' ', $rest); + $rest = quoted_printable_decode($rest); + } + + return rcube_charset_convert($rest, $a[0]); } - return rcube_charset_convert($rest, $a[0]); - } - else - return $str; // we dont' know what to do with this + // we dont' know what to do with this + return $str; + } + + + /** + * Decode a mime part + * + * @param string Input string + * @param string Part encoding + * @return string Decoded string + */ + function mime_decode($input, $encoding='7bit') + { + switch (strtolower($encoding)) { + case 'quoted-printable': + return quoted_printable_decode($input); + case 'base64': + return base64_decode($input); + case 'x-uuencode': + case 'x-uue': + case 'uue': + case 'uuencode': + return convert_uudecode($input); + case '7bit': + default: + return $input; + } } - /** - * Decode a mime part - * - * @param string Input string - * @param string Part encoding - * @return string Decoded string - */ - function mime_decode($input, $encoding='7bit') + /** + * Convert body charset to RCMAIL_CHARSET according to the ctype_parameters + * + * @param string Part body to decode + * @param string Charset to convert from + * @return string Content converted to internal charset + */ + function charset_decode($body, $ctype_param) { - switch (strtolower($encoding)) - { - case 'quoted-printable': - return quoted_printable_decode($input); - break; - - case 'base64': - return base64_decode($input); - break; - - case 'x-uuencode': - case 'x-uue': - case 'uue': - case 'uuencode': - return convert_uudecode($input); - break; - - case '7bit': - default: - return $input; - } - } - + if (is_array($ctype_param) && !empty($ctype_param['charset'])) + return rcube_charset_convert($body, $ctype_param['charset']); - /** - * Convert body charset to RCMAIL_CHARSET according to the ctype_parameters - * - * @param string Part body to decode - * @param string Charset to convert from - * @return string Content converted to internal charset - */ - function charset_decode($body, $ctype_param) - { - if (is_array($ctype_param) && !empty($ctype_param['charset'])) - return rcube_charset_convert($body, $ctype_param['charset']); - - // defaults to what is specified in the class header - return rcube_charset_convert($body, $this->default_charset); - } - - - /** - * Translate UID to message ID - * - * @param int Message UID - * @param string Mailbox name - * @return int Message ID - */ - function get_id($uid, $mbox_name=NULL) - { - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - return $this->_uid2id($uid, $mailbox); - } - - - /** - * Translate message number to UID - * - * @param int Message ID - * @param string Mailbox name - * @return int Message UID - */ - function get_uid($id,$mbox_name=NULL) - { - $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; - return $this->_id2uid($id, $mailbox); + // defaults to what is specified in the class header + return rcube_charset_convert($body, $this->default_charset); } - /** - * Modify folder name for input/output according to root dir and namespace - * - * @param string Folder name - * @param string Mode - * @return string Folder name - */ - function mod_mailbox($mbox_name, $mode='in') - { - if ($mbox_name == 'INBOX') - return $mbox_name; - - if (!empty($this->root_dir)) { - if ($mode=='in') - $mbox_name = $this->root_dir.$this->delimiter.$mbox_name; - else if (!empty($mbox_name)) // $mode=='out' - $mbox_name = substr($mbox_name, strlen($this->root_dir)+1); - } - - return $mbox_name; - } - - - /* -------------------------------- - * private methods - * --------------------------------*/ - - /** - * Validate the given input and save to local properties - * @access private - */ - private function _set_sort_order($sort_field, $sort_order) - { - if ($sort_field != null) - $this->sort_field = asciiwords($sort_field); - if ($sort_order != null) - $this->sort_order = strtoupper($sort_order) == 'DESC' ? 'DESC' : 'ASC'; - } + /* -------------------------------- + * private methods + * --------------------------------*/ - /** - * Sort mailboxes first by default folders and then in alphabethical order - * @access private - */ - private function _sort_mailbox_list($a_folders) + /** + * Validate the given input and save to local properties + * @access private + */ + private function _set_sort_order($sort_field, $sort_order) { - $a_out = $a_defaults = $folders = array(); + if ($sort_field != null) + $this->sort_field = asciiwords($sort_field); + if ($sort_order != null) + $this->sort_order = strtoupper($sort_order) == 'DESC' ? 'DESC' : 'ASC'; + } - $delimiter = $this->get_hierarchy_delimiter(); + /** + * Sort mailboxes first by default folders and then in alphabethical order + * @access private + */ + private function _sort_mailbox_list($a_folders) + { + $a_out = $a_defaults = $folders = array(); - // find default folders and skip folders starting with '.' - foreach ($a_folders as $i => $folder) - { - if ($folder{0}=='.') - continue; + $delimiter = $this->get_hierarchy_delimiter(); - if (($p = array_search($folder, $this->default_folders)) !== false && !$a_defaults[$p]) - $a_defaults[$p] = $folder; - else - $folders[$folder] = mb_strtolower(rcube_charset_convert($folder, 'UTF7-IMAP')); - } + // find default folders and skip folders starting with '.' + foreach ($a_folders as $i => $folder) { + if ($folder[0] == '.') + continue; - // sort folders and place defaults on the top - asort($folders, SORT_LOCALE_STRING); - ksort($a_defaults); - $folders = array_merge($a_defaults, array_keys($folders)); + if (($p = array_search($folder, $this->default_folders)) !== false && !$a_defaults[$p]) + $a_defaults[$p] = $folder; + else + $folders[$folder] = mb_strtolower(rcube_charset_convert($folder, 'UTF7-IMAP')); + } - // finally we must rebuild the list to move - // subfolders of default folders to their place... - // ...also do this for the rest of folders because - // asort() is not properly sorting case sensitive names - while (list($key, $folder) = each($folders)) { - // set the type of folder name variable (#1485527) - $a_out[] = (string) $folder; - unset($folders[$key]); - $this->_rsort($folder, $delimiter, $folders, $a_out); - } + // sort folders and place defaults on the top + asort($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; + return $a_out; } - /** - * @access private - */ - private function _rsort($folder, $delimiter, &$list, &$out) - { - while (list($key, $name) = each($list)) { - if (strpos($name, $folder.$delimiter) === 0) { - // set the type of folder name variable (#1485527) - $out[] = (string) $name; - unset($list[$key]); - $this->_rsort($name, $delimiter, $list, $out); - } + /** + * @access private + */ + private function _rsort($folder, $delimiter, &$list, &$out) + { + while (list($key, $name) = each($list)) { + if (strpos($name, $folder.$delimiter) === 0) { + // set the type of folder name variable (#1485527) + $out[] = (string) $name; + unset($list[$key]); + $this->_rsort($name, $delimiter, $list, $out); + } } - reset($list); + reset($list); } - /** - * @access private - */ - private function _uid2id($uid, $mbox_name=NULL) - { - if (!$mbox_name) - $mbox_name = $this->mailbox; + /** + * @access private + */ + private function _uid2id($uid, $mbox_name=NULL) + { + if (!$mbox_name) + $mbox_name = $this->mailbox; - if (!isset($this->uid_id_map[$mbox_name][$uid])) - $this->uid_id_map[$mbox_name][$uid] = iil_C_UID2ID($this->conn, $mbox_name, $uid); + if (!isset($this->uid_id_map[$mbox_name][$uid])) + $this->uid_id_map[$mbox_name][$uid] = $this->conn->UID2ID($mbox_name, $uid); - return $this->uid_id_map[$mbox_name][$uid]; + return $this->uid_id_map[$mbox_name][$uid]; } - /** - * @access private - */ - private function _id2uid($id, $mbox_name=NULL) + /** + * @access private + */ + private function _id2uid($id, $mbox_name=NULL) { - if (!$mbox_name) - $mbox_name = $this->mailbox; + if (!$mbox_name) + $mbox_name = $this->mailbox; - if ($uid = array_search($id, (array)$this->uid_id_map[$mbox_name])) - return $uid; + if ($uid = array_search($id, (array)$this->uid_id_map[$mbox_name])) + return $uid; - $uid = iil_C_ID2UID($this->conn, $mbox_name, $id); - $this->uid_id_map[$mbox_name][$uid] = $id; + $uid = $this->conn->ID2UID($mbox_name, $id); + $this->uid_id_map[$mbox_name][$uid] = $id; - return $uid; + return $uid; } - /** - * Subscribe/unsubscribe a list of mailboxes and update local cache - * @access private - */ - private function _change_subscription($a_mboxes, $mode) + /** + * Subscribe/unsubscribe a list of mailboxes and update local cache + * @access private + */ + private function _change_subscription($a_mboxes, $mode) { - $updated = false; + $updated = false; - if (is_array($a_mboxes)) - foreach ($a_mboxes as $i => $mbox_name) - { - $mailbox = $this->mod_mailbox($mbox_name); - $a_mboxes[$i] = $mailbox; + if (is_array($a_mboxes)) + foreach ($a_mboxes as $i => $mbox_name) { + $mailbox = $this->mod_mailbox($mbox_name); + $a_mboxes[$i] = $mailbox; - if ($mode=='subscribe') - $updated = iil_C_Subscribe($this->conn, $mailbox); - else if ($mode=='unsubscribe') - $updated = iil_C_UnSubscribe($this->conn, $mailbox); - } + if ($mode=='subscribe') + $updated = $this->conn->subscribe($mailbox); + else if ($mode=='unsubscribe') + $updated = $this->conn->unsubscribe($mailbox); + } - // get cached mailbox list - if ($updated) - { - $a_mailbox_cache = $this->get_cache('mailboxes'); - if (!is_array($a_mailbox_cache)) - return $updated; + // get cached mailbox list + if ($updated) { + $a_mailbox_cache = $this->get_cache('mailboxes'); + if (!is_array($a_mailbox_cache)) + return $updated; - // modify cached list - if ($mode=='subscribe') - $a_mailbox_cache = array_merge($a_mailbox_cache, $a_mboxes); - else if ($mode=='unsubscribe') - $a_mailbox_cache = array_diff($a_mailbox_cache, $a_mboxes); + // modify cached list + if ($mode=='subscribe') + $a_mailbox_cache = array_merge($a_mailbox_cache, $a_mboxes); + else if ($mode=='unsubscribe') + $a_mailbox_cache = array_diff($a_mailbox_cache, $a_mboxes); - // write mailboxlist to cache - $this->update_cache('mailboxes', $this->_sort_mailbox_list($a_mailbox_cache)); - } + // write mailboxlist to cache + $this->update_cache('mailboxes', $this->_sort_mailbox_list($a_mailbox_cache)); + } - return $updated; + return $updated; } - /** - * Increde/decrese messagecount for a specific mailbox - * @access private - */ - private function _set_messagecount($mbox_name, $mode, $increment) + /** + * Increde/decrese messagecount for a specific mailbox + * @access private + */ + private function _set_messagecount($mbox_name, $mode, $increment) { - $a_mailbox_cache = false; - $mailbox = $mbox_name ? $mbox_name : $this->mailbox; - $mode = strtoupper($mode); + $a_mailbox_cache = false; + $mailbox = $mbox_name ? $mbox_name : $this->mailbox; + $mode = strtoupper($mode); - $a_mailbox_cache = $this->get_cache('messagecount'); + $a_mailbox_cache = $this->get_cache('messagecount'); - if (!is_array($a_mailbox_cache[$mailbox]) || !isset($a_mailbox_cache[$mailbox][$mode]) || !is_numeric($increment)) - return false; + if (!is_array($a_mailbox_cache[$mailbox]) || !isset($a_mailbox_cache[$mailbox][$mode]) || !is_numeric($increment)) + return false; - // add incremental value to messagecount - $a_mailbox_cache[$mailbox][$mode] += $increment; + // add incremental value to messagecount + $a_mailbox_cache[$mailbox][$mode] += $increment; - // there's something wrong, delete from cache - if ($a_mailbox_cache[$mailbox][$mode] < 0) - unset($a_mailbox_cache[$mailbox][$mode]); + // there's something wrong, delete from cache + if ($a_mailbox_cache[$mailbox][$mode] < 0) + unset($a_mailbox_cache[$mailbox][$mode]); - // write back to cache - $this->update_cache('messagecount', $a_mailbox_cache); + // write back to cache + $this->update_cache('messagecount', $a_mailbox_cache); - return true; + return true; } - /** - * Remove messagecount of a specific mailbox from cache - * @access private - */ - private function _clear_messagecount($mbox_name='') + /** + * Remove messagecount of a specific mailbox from cache + * @access private + */ + private function _clear_messagecount($mbox_name='') { - $a_mailbox_cache = false; - $mailbox = $mbox_name ? $mbox_name : $this->mailbox; + $a_mailbox_cache = false; + $mailbox = $mbox_name ? $mbox_name : $this->mailbox; - $a_mailbox_cache = $this->get_cache('messagecount'); + $a_mailbox_cache = $this->get_cache('messagecount'); - if (is_array($a_mailbox_cache[$mailbox])) - { - unset($a_mailbox_cache[$mailbox]); - $this->update_cache('messagecount', $a_mailbox_cache); - } + if (is_array($a_mailbox_cache[$mailbox])) { + unset($a_mailbox_cache[$mailbox]); + $this->update_cache('messagecount', $a_mailbox_cache); + } } - /** - * Split RFC822 header string into an associative array - * @access private - */ - private function _parse_headers($headers) + /** + * Split RFC822 header string into an associative array + * @access private + */ + private function _parse_headers($headers) { - $a_headers = array(); - $headers = preg_replace('/\r?\n(\t| )+/', ' ', $headers); - $lines = explode("\n", $headers); - $c = count($lines); - for ($i=0; $i<$c; $i++) - { - if ($p = strpos($lines[$i], ': ')) - { - $field = strtolower(substr($lines[$i], 0, $p)); - $value = trim(substr($lines[$i], $p+1)); - if (!empty($value)) - $a_headers[$field] = $value; + $a_headers = array(); + $headers = preg_replace('/\r?\n(\t| )+/', ' ', $headers); + $lines = explode("\n", $headers); + $c = count($lines); + + for ($i=0; $i<$c; $i++) { + if ($p = strpos($lines[$i], ': ')) { + $field = strtolower(substr($lines[$i], 0, $p)); + $value = trim(substr($lines[$i], $p+1)); + if (!empty($value)) + $a_headers[$field] = $value; + } } - } - return $a_headers; + return $a_headers; } - /** - * @access private - */ - private function _parse_address_list($str, $decode=true) + /** + * @access private + */ + private function _parse_address_list($str, $decode=true) { - // remove any newlines and carriage returns before - $a = rcube_explode_quoted_string('[,;]', preg_replace( "/[\r\n]/", " ", $str)); - $result = array(); + // remove any newlines and carriage returns before + $a = rcube_explode_quoted_string('[,;]', preg_replace( "/[\r\n]/", " ", $str)); + $result = array(); - foreach ($a as $key => $val) - { - $val = preg_replace("/([\"\w])</", "$1 <", $val); - $sub_a = rcube_explode_quoted_string(' ', $decode ? $this->decode_header($val) : $val); - $result[$key]['name'] = ''; + foreach ($a as $key => $val) { + $val = preg_replace("/([\"\w])</", "$1 <", $val); + $sub_a = rcube_explode_quoted_string(' ', $decode ? $this->decode_header($val) : $val); + $result[$key]['name'] = ''; - foreach ($sub_a as $k => $v) - { - // use angle brackets in regexp to not handle names with @ sign - if (preg_match('/^<\S+@\S+>$/', $v)) - $result[$key]['address'] = trim($v, '<>'); - else - $result[$key]['name'] .= (empty($result[$key]['name'])?'':' ').str_replace("\"",'',stripslashes($v)); - } + foreach ($sub_a as $k => $v) { + // use angle brackets in regexp to not handle names with @ sign + if (preg_match('/^<\S+@\S+>$/', $v)) + $result[$key]['address'] = trim($v, '<>'); + else + $result[$key]['name'] .= (empty($result[$key]['name'])?'':' ').str_replace("\"",'',stripslashes($v)); + } - if (empty($result[$key]['name'])) - $result[$key]['name'] = $result[$key]['address']; - elseif (empty($result[$key]['address'])) - $result[$key]['address'] = $result[$key]['name']; - } + if (empty($result[$key]['name'])) + $result[$key]['name'] = $result[$key]['address']; + elseif (empty($result[$key]['address'])) + $result[$key]['address'] = $result[$key]['name']; + } - return $result; + return $result; } } // end class rcube_imap @@ -3768,80 +3734,80 @@ class rcube_imap */ class rcube_message_part { - var $mime_id = ''; - var $ctype_primary = 'text'; - var $ctype_secondary = 'plain'; - var $mimetype = 'text/plain'; - var $disposition = ''; - var $filename = ''; - var $encoding = '8bit'; - var $charset = ''; - var $size = 0; - var $headers = array(); - var $d_parameters = array(); - var $ctype_parameters = array(); - - function __clone() - { - if (isset($this->parts)) - foreach ($this->parts as $idx => $part) - if (is_object($part)) - $this->parts[$idx] = clone $part; - } + var $mime_id = ''; + var $ctype_primary = 'text'; + var $ctype_secondary = 'plain'; + var $mimetype = 'text/plain'; + var $disposition = ''; + var $filename = ''; + var $encoding = '8bit'; + var $charset = ''; + var $size = 0; + var $headers = array(); + var $d_parameters = array(); + var $ctype_parameters = array(); + + function __clone() + { + if (isset($this->parts)) + foreach ($this->parts as $idx => $part) + if (is_object($part)) + $this->parts[$idx] = clone $part; + } } /** - * Class for sorting an array of iilBasicHeader objects in a predetermined order. + * Class for sorting an array of rcube_mail_header objects in a predetermined order. * * @package Mail * @author Eric Stadtherr */ class rcube_header_sorter { - var $sequence_numbers = array(); + var $sequence_numbers = array(); - /** - * Set the predetermined sort order. - * - * @param array Numerically indexed array of IMAP message sequence numbers - */ - function set_sequence_numbers($seqnums) - { - $this->sequence_numbers = array_flip($seqnums); - } - - /** - * Sort the array of header objects - * - * @param array Array of iilBasicHeader objects indexed by UID - */ - function sort_headers(&$headers) - { - /* - * uksort would work if the keys were the sequence number, but unfortunately - * the keys are the UIDs. We'll use uasort instead and dereference the value - * to get the sequence number (in the "id" field). - * - * uksort($headers, array($this, "compare_seqnums")); - */ - uasort($headers, array($this, "compare_seqnums")); - } + /** + * Set the predetermined sort order. + * + * @param array Numerically indexed array of IMAP message sequence numbers + */ + function set_sequence_numbers($seqnums) + { + $this->sequence_numbers = array_flip($seqnums); + } + + /** + * Sort the array of header objects + * + * @param array Array of rcube_mail_header objects indexed by UID + */ + function sort_headers(&$headers) + { + /* + * uksort would work if the keys were the sequence number, but unfortunately + * the keys are the UIDs. We'll use uasort instead and dereference the value + * to get the sequence number (in the "id" field). + * + * uksort($headers, array($this, "compare_seqnums")); + */ + uasort($headers, array($this, "compare_seqnums")); + } - /** - * Sort method called by uasort() - */ - function compare_seqnums($a, $b) - { - // First get the sequence number from the header object (the 'id' field). - $seqa = $a->id; - $seqb = $b->id; + /** + * Sort method called by uasort() + */ + function compare_seqnums($a, $b) + { + // First get the sequence number from the header object (the 'id' field). + $seqa = $a->id; + $seqb = $b->id; - // then find each sequence number in my ordered list - $posa = isset($this->sequence_numbers[$seqa]) ? intval($this->sequence_numbers[$seqa]) : -1; - $posb = isset($this->sequence_numbers[$seqb]) ? intval($this->sequence_numbers[$seqb]) : -1; + // then find each sequence number in my ordered list + $posa = isset($this->sequence_numbers[$seqa]) ? intval($this->sequence_numbers[$seqa]) : -1; + $posb = isset($this->sequence_numbers[$seqb]) ? intval($this->sequence_numbers[$seqb]) : -1; - // return the relative position as the comparison value - return $posa - $posb; - } + // return the relative position as the comparison value + return $posa - $posb; + } } diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php new file mode 100644 index 000000000..4fd49d062 --- /dev/null +++ b/program/include/rcube_imap_generic.php @@ -0,0 +1,2242 @@ +<?php + +/* + +-----------------------------------------------------------------------+ + | program/include/rcube_imap_generic.php | + | | + | This file is part of the RoundCube Webmail client | + | Copyright (C) 2005-2010, RoundCube Dev. - Switzerland | + | Licensed under the GNU GPL | + | | + | 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> | + +-----------------------------------------------------------------------+ + + $Id$ + +*/ + + +class rcube_mail_header +{ + public $id; + public $uid; + public $subject; + public $from; + public $to; + public $cc; + public $replyto; + public $in_reply_to; + public $date; + public $messageID; + public $size; + public $encoding; + public $charset; + public $ctype; + public $flags; + public $timestamp; + public $f; + public $body_structure; + public $internaldate; + public $references; + public $priority; + public $mdn_to; + public $mdn_sent = false; + public $is_draft = false; + public $seen = false; + public $deleted = false; + public $recent = false; + public $answered = false; + public $forwarded = false; + public $junk = false; + public $flagged = false; + public $has_children = false; + public $depth = 0; + public $unread_children = 0; + public $others = array(); +} + + +class rcube_imap_generic +{ + public $error; + public $errornum; + public $message; + public $rootdir; + public $delimiter; + public $permanentflags = array(); + public $flags = array( + 'SEEN' => '\\Seen', + 'DELETED' => '\\Deleted', + 'RECENT' => '\\Recent', + 'ANSWERED' => '\\Answered', + 'DRAFT' => '\\Draft', + 'FLAGGED' => '\\Flagged', + 'FORWARDED' => '$Forwarded', + 'MDNSENT' => '$MDNSent', + '*' => '\\*', + ); + + private $exists; + private $recent; + private $selected; + private $fp; + private $host; + private $logged = false; + private $capability = array(); + private $capability_readed = false; + private $prefs; + + /** + * Object constructor + */ + function __construct() + { + } + + private function putLine($string, $endln=true) + { + if (!$this->fp) + return false; + + if (!empty($this->prefs['debug_mode'])) { + write_log('imap', 'C: '. rtrim($string)); + } + + return fputs($this->fp, $string . ($endln ? "\r\n" : '')); + } + + // $this->putLine replacement with Command Continuation Requests (RFC3501 7.5) support + private function putLineC($string, $endln=true) + { + if (!$this->fp) + return NULL; + + 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])) { + $bytes = $this->putLine($parts[$i].$parts[$i+1], false); + if ($bytes === false) + return false; + $res += $bytes; + $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 $res; + } + + private function readLine($size=1024) + { + $line = ''; + + if (!$this->fp) { + return NULL; + } + + if (!$size) { + $size = 1024; + } + + do { + if (feof($this->fp)) { + return $line ? $line : NULL; + } + + $buffer = fgets($this->fp, $size); + + if ($buffer === false) { + fclose($this->fp); + $this->fp = null; + break; + } + if (!empty($this->prefs['debug_mode'])) { + write_log('imap', 'S: '. chop($buffer)); + } + $line .= $buffer; + } while ($buffer[strlen($buffer)-1] != "\n"); + + return $line; + } + + private function multLine($line, $escape=false) + { + $line = chop($line); + if (preg_match('/\{[0-9]+\}$/', $line)) { + $out = ''; + + preg_match_all('/(.*)\{([0-9]+)\}$/', $line, $a); + $bytes = $a[2][0]; + while (strlen($out) < $bytes) { + $line = $this->readBytes($bytes); + if ($line === NULL) + break; + $out .= $line; + } + + $line = $a[1][0] . '"' . ($escape ? $this->Escape($out) : $out) . '"'; + } + + return $line; + } + + private function readBytes($bytes) + { + $data = ''; + $len = 0; + while ($len < $bytes && !feof($this->fp)) + { + $d = fread($this->fp, $bytes-$len); + if (!empty($this->prefs['debug_mode'])) { + write_log('imap', '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; + } + + // don't use it in loops, until you exactly know what you're doing + private function readReply() + { + do { + $line = trim($this->readLine(1024)); + } while ($line[0] == '*'); + + return $line; + } + + private function parseResult($string) + { + $a = explode(' ', trim($string)); + if (count($a) >= 2) { + $res = strtoupper($a[1]); + if ($res == 'OK') { + return 0; + } else if ($res == 'NO') { + return -1; + } else if ($res == 'BAD') { + return -2; + } else if ($res == 'BYE') { + fclose($this->fp); + $this->fp = null; + return -3; + } + } + return -4; + } + + // check if $string starts with $match (or * BYE/BAD) + private function startsWith($string, $match, $error=false, $nonempty=false) + { + $len = strlen($match); + if ($len == 0) { + return false; + } + if (!$this->fp) { + return true; + } + if (strncmp($string, $match, $len) == 0) { + return true; + } + if ($error && preg_match('/^\* (BYE|BAD) /i', $string, $m)) { + if (strtoupper($m[1]) == 'BYE') { + fclose($this->fp); + $this->fp = null; + } + return true; + } + if ($nonempty && !strlen($string)) { + return true; + } + return false; + } + + private function startsWithI($string, $match, $error=false, $nonempty=false) + { + $len = strlen($match); + if ($len == 0) { + return false; + } + if (!$this->fp) { + return true; + } + if (strncasecmp($string, $match, $len) == 0) { + return true; + } + if ($error && preg_match('/^\* (BYE|BAD) /i', $string, $m)) { + if (strtoupper($m[1]) == 'BYE') { + fclose($this->fp); + $this->fp = null; + } + return true; + } + if ($nonempty && !strlen($string)) { + return true; + } + return false; + } + + function getCapability($name) + { + if (in_array($name, $this->capability)) { + return true; + } + else if ($this->capability_readed) { + return false; + } + + // get capabilities (only once) because initial + // optional CAPABILITY response may differ + $this->capability = array(); + + if (!$this->putLine("cp01 CAPABILITY")) { + return false; + } + do { + $line = trim($this->readLine(1024)); + $a = explode(' ', $line); + if ($line[0] == '*') { + while (list($k, $w) = each($a)) { + if ($w != '*' && $w != 'CAPABILITY') + $this->capability[] = strtoupper($w); + } + } + } while ($a[0] != 'cp01'); + + $this->capability_readed = true; + + if (in_array($name, $this->capability)) { + return true; + } + + return false; + } + + function clearCapability() + { + $this->capability = array(); + $this->capability_readed = false; + } + + function authenticate($user, $pass, $encChallenge) + { + $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, $ipad) . base64_decode($encChallenge)))); + + // generate reply + $reply = base64_encode($user . ' ' . $hash); + + // send result, get reply + $this->putLine($reply); + $line = $this->readLine(1024); + + // process result + $result = $this->parseResult($line); + if ($result == 0) { + $this->error .= ''; + $this->errornum = 0; + return $this->fp; + } + + $this->error .= 'Authentication for ' . $user . ' failed (AUTH): "'; + $this->error .= htmlspecialchars($line) . '"'; + $this->errornum = $result; + + return $result; + } + + function login($user, $password) + { + $this->putLine('a001 LOGIN "'.$this->escape($user).'" "'.$this->escape($password).'"'); + + $line = $this->readReply(); + + // process result + $result = $this->parseResult($line); + + if ($result == 0) { + $this->error .= ''; + $this->errornum = 0; + return $this->fp; + } + + fclose($this->fp); + $this->fp = false; + + $this->error .= 'Authentication for ' . $user . ' failed (LOGIN): "'; + $this->error .= htmlspecialchars($line)."\""; + $this->errornum = $result; + + return $result; + } + + function namespace() + { + if (isset($this->prefs['rootdir']) && is_string($this->prefs['rootdir'])) { + $this->rootdir = $this->prefs['rootdir']; + return true; + } + + if (!$this->getCapability('NAMESPACE')) { + return false; + } + + if (!$this->putLine("ns1 NAMESPACE")) { + return false; + } + do { + $line = $this->readLine(1024); + if ($this->startsWith($line, '* NAMESPACE')) { + $i = 0; + $line = $this->unEscape($line); + $data = $this->parseNamespace(substr($line,11), $i, 0, 0); + } + } while (!$this->startsWith($line, 'ns1', true, true)); + + if (!is_array($data)) { + return false; + } + + $user_space_data = $data[0]; + if (!is_array($user_space_data)) { + return false; + } + + $first_userspace = $user_space_data[0]; + if (count($first_userspace)!=2) { + return false; + } + + $this->rootdir = $first_userspace[0]; + $this->delimiter = $first_userspace[1]; + $this->prefs['rootdir'] = substr($this->rootdir, 0, -1); + $this->prefs['delimiter'] = $this->delimiter; + + return true; + } + + + /** + * Gets the delimiter, for example: + * INBOX.foo -> . + * INBOX/foo -> / + * INBOX\foo -> \ + * + * @return mixed A delimiter (string), or false. + * @see connect() + */ + function getHierarchyDelimiter() + { + if ($this->delimiter) { + return $this->delimiter; + } + if (!empty($this->prefs['delimiter'])) { + return ($this->delimiter = $this->prefs['delimiter']); + } + + $delimiter = false; + + // try (LIST "" ""), should return delimiter (RFC2060 Sec 6.3.8) + if (!$this->putLine('ghd LIST "" ""')) { + return false; + } + + do { + $line = $this->readLine(500); + if ($line[0] == '*') { + $line = rtrim($line); + $a = rcube_explode_quoted_string(' ', $this->unEscape($line)); + if ($a[0] == '*') { + $delimiter = str_replace('"', '', $a[count($a)-2]); + } + } + } while (!$this->startsWith($line, 'ghd', true, true)); + + if (strlen($delimiter)>0) { + return $delimiter; + } + + // if that fails, try namespace extension + // try to fetch namespace data + if (!$this->putLine("ns1 NAMESPACE")) { + return false; + } + + do { + $line = $this->readLine(1024); + if ($this->startsWith($line, '* NAMESPACE')) { + $i = 0; + $line = $this->unEscape($line); + $data = $this->parseNamespace(substr($line,11), $i, 0, 0); + } + } while (!$this->startsWith($line, 'ns1', true, true)); + + if (!is_array($data)) { + return false; + } + + // extract user space data (opposed to global/shared space) + $user_space_data = $data[0]; + if (!is_array($user_space_data)) { + return false; + } + + // get first element + $first_userspace = $user_space_data[0]; + if (!is_array($first_userspace)) { + return false; + } + + // extract delimiter + $delimiter = $first_userspace[1]; + + return $delimiter; + } + + function connect($host, $user, $password, $options=null) + { + // set options + if (is_array($options)) { + $this->prefs = $options; + } + // set auth method + if (!empty($this->prefs['auth_method'])) { + $auth_method = strtoupper($this->prefs['auth_method']); + } else { + $auth_method = 'CHECK'; + } + + $message = "INITIAL: $auth_method\n"; + + $result = false; + + // initialize connection + $this->error = ''; + $this->errornum = 0; + $this->selected = ''; + $this->user = $user; + $this->host = $host; + $this->logged = false; + + // check input + if (empty($host)) { + $this->error = "Empty host"; + $this->errornum = -1; + return false; + } + if (empty($user)) { + $this->error = "Empty user"; + $this->errornum = -1; + return false; + } + if (empty($password)) { + $this->error = "Empty password"; + $this->errornum = -1; + return false; + } + + if (!$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; + } + + $this->fp = @fsockopen($host, $this->prefs['port'], $errno, $errstr, 10); + if (!$this->fp) { + $this->error = sprintf("Could not connect to %s:%d: %s", $host, $this->prefs['port'], $errstr); + $this->errornum = -2; + return false; + } + + stream_set_timeout($this->fp, 10); + $line = trim(fgets($this->fp, 8192)); + + if ($this->prefs['debug_mode'] && $line) { + write_log('imap', 'S: '. $line); + } + + // Connected to wrong port or connection error? + if (!preg_match('/^\* (OK|PREAUTH)/i', $line)) { + if ($line) + $this->error = sprintf("Wrong startup greeting (%s:%d): %s", $host, $this->prefs['port'], $line); + else + $this->error = sprintf("Empty startup greeting (%s:%d)", $host, $this->prefs['port']); + $this->errornum = -2; + return false; + } + + // RFC3501 [7.1] optional CAPABILITY response + if (preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches)) { + $this->capability = explode(' ', strtoupper($matches[1])); + } + + $this->message .= $line; + + // TLS connection + if ($this->prefs['ssl_mode'] == 'tls' && $this->getCapability('STARTTLS')) { + if (version_compare(PHP_VERSION, '5.1.0', '>=')) { + $this->putLine("tls0 STARTTLS"); + + $line = $this->readLine(4096); + if (!$this->startsWith($line, "tls0 OK")) { + $this->error = "Server responded to STARTTLS with: $line"; + $this->errornum = -2; + return false; + } + + if (!stream_socket_enable_crypto($this->fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) { + $this->error = "Unable to negotiate TLS"; + $this->errornum = -2; + return false; + } + + // Now we're authenticated, capabilities need to be reread + $this->clearCapability(); + } + } + + $orig_method = $auth_method; + + if ($auth_method == 'CHECK') { + // check for supported auth methods + if ($this->getCapability('AUTH=CRAM-MD5') || $this->getCapability('AUTH=CRAM_MD5')) { + $auth_method = 'AUTH'; + } + else { + // default to plain text auth + $auth_method = 'PLAIN'; + } + } + + if ($auth_method == 'AUTH') { + // do CRAM-MD5 authentication + $this->putLine("a000 AUTHENTICATE CRAM-MD5"); + $line = trim($this->readLine(1024)); + + if ($line[0] == '+') { + // got a challenge string, try CRAM-MD5 + $result = $this->authenticate($user, $password, substr($line,2)); + + // stop if server sent BYE response + if ($result == -3) { + return false; + } + } + + if (!is_resource($result) && $orig_method == 'CHECK') { + $auth_method = 'PLAIN'; + } + } + + if ($auth_method == 'PLAIN') { + // do plain text auth + $result = $this->login($user, $password); + } + + if (is_resource($result)) { + if ($this->prefs['force_caps']) { + $this->clearCapability(); + } + $this->namespace(); + $this->logged = true; + return true; + } else { + return false; + } + } + + function connected() + { + return ($this->fp && $this->logged) ? true : false; + } + + function close() + { + if ($this->putLine("I LOGOUT")) { + if (!feof($this->fp)) + fgets($this->fp, 1024); + } + @fclose($this->fp); + $this->fp = false; + } + + function select($mailbox) + { + if (empty($mailbox)) { + return false; + } + if ($this->selected == $mailbox) { + return true; + } + + if ($this->putLine("sel1 SELECT \"".$this->escape($mailbox).'"')) { + do { + $line = chop($this->readLine(300)); + $a = explode(' ', $line); + if (count($a) == 3) { + $token = strtoupper($a[2]); + if ($token == 'EXISTS') { + $this->exists = (int) $a[1]; + } + else if ($token == 'RECENT') { + $this->recent = (int) $a[1]; + } + } + else if (preg_match('/\[?PERMANENTFLAGS\s+\(([^\)]+)\)\]/U', $line, $match)) { + $this->permanentflags = explode(' ', $match[1]); + } + } while (!$this->startsWith($line, 'sel1', true, true)); + + if (strcasecmp($a[1], 'OK') == 0) { + $this->selected = $mailbox; + return true; + } + else { + $this->error = "Couldn't select $mailbox"; + } + } + + return false; + } + + function checkForRecent($mailbox) + { + if (empty($mailbox)) { + $mailbox = 'INBOX'; + } + + $this->select($mailbox); + if ($this->selected == $mailbox) { + return $this->recent; + } + + return false; + } + + function countMessages($mailbox, $refresh = false) + { + if ($refresh) { + $this->selected = ''; + } + + $this->select($mailbox); + if ($this->selected == $mailbox) { + return $this->exists; + } + + return false; + } + + function sort($mailbox, $field, $add='', $is_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[$field]) { + return false; + } + + /* Do "SELECT" command */ + if (!$this->select($mailbox)) { + return false; + } + + $is_uid = $is_uid ? 'UID ' : ''; + + // message IDs + if (is_array($add)) + $add = $this->compressMessageSet(join(',', $add)); + + $command = "s ".$is_uid."SORT ($field) $encoding ALL"; + $line = $data = ''; + + if (!empty($add)) + $command .= ' '.$add; + + if (!$this->putLineC($command)) { + return false; + } + do { + $line = chop($this->readLine()); + if ($this->startsWith($line, '* SORT')) { + $data .= substr($line, 7); + } else if (preg_match('/^[0-9 ]+$/', $line)) { + $data .= $line; + } + } while (!$this->startsWith($line, 's ', true, true)); + + $result_code = $this->parseResult($line); + + if ($result_code != 0) { + $this->error = "Sort: $line"; + return false; + } + + return preg_split('/\s+/', $data, -1, PREG_SPLIT_NO_EMPTY); + } + + function fetchHeaderIndex($mailbox, $message_set, $index_field='', $skip_deleted=true, $uidfetch=false) + { + if (is_array($message_set)) { + if (!($message_set = $this->compressMessageSet(join(',', $message_set)))) + return false; + } else { + list($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 = 'fhi0'; + $cmd = $uidfetch ? 'UID FETCH' : 'FETCH'; + $deleted = $skip_deleted ? ' FLAGS' : ''; + + if ($mode == 1 && $index_field == 'DATE') + $request = " $cmd $message_set (INTERNALDATE BODY.PEEK[HEADER.FIELDS (DATE)]$deleted)"; + else if ($mode == 1) + $request = " $cmd $message_set (BODY.PEEK[HEADER.FIELDS ($index_field)]$deleted)"; + else if ($mode == 2) { + if ($index_field == 'SIZE') + $request = " $cmd $message_set (RFC822.SIZE$deleted)"; + else + $request = " $cmd $message_set ($index_field$deleted)"; + } else if ($mode == 3) + $request = " $cmd $message_set (FLAGS)"; + else // 4 + $request = " $cmd $message_set (INTERNALDATE$deleted)"; + + $request = $key . $request; + + if (!$this->putLine($request)) { + return false; + } + + $result = array(); + + do { + $line = chop($this->readLine(200)); + $line = $this->multLine($line); + + if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { + $id = $m[1]; + $flags = NULL; + + if ($skip_deleted && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { + $flags = explode(' ', strtoupper($matches[1])); + if (in_array('\\DELETED', $flags)) { + $deleted[$id] = $id; + continue; + } + } + + if ($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 $result; + } + + private function compressMessageSet($message_set) + { + // given a comma delimited list of independent mid's, + // compresses by grouping sequences together + + // if less than 255 bytes long, let's not bother + if (strlen($message_set)<255) { + return $message_set; + } + + // see if it's already been compress + if (strpos($message_set, ':') !== false) { + return $message_set; + } + + // separate, then sort + $ids = explode(',', $message_set); + sort($ids); + + $result = array(); + $start = $prev = $ids[0]; + + foreach ($ids 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(',', $result); + } + + function UID2ID($folder, $uid) + { + if ($uid > 0) { + $id_a = $this->search($folder, "UID $uid"); + if (is_array($id_a) && count($id_a) == 1) { + return $id_a[0]; + } + } + return false; + } + + function ID2UID($folder, $id) + { + if (empty($id)) { + return -1; + } + + if (!$this->select($folder)) { + return -1; + } + + $result = -1; + if ($this->putLine("fuid FETCH $id (UID)")) { + do { + $line = chop($this->readLine(1024)); + if (preg_match("/^\* $id FETCH \(UID (.*)\)/i", $line, $r)) { + $result = $r[1]; + } + } while (!$this->startsWith($line, 'fuid', true, true)); + } + + return $result; + } + + function fetchUIDs($mailbox, $message_set=null) + { + if (is_array($message_set)) + $message_set = join(',', $message_set); + else if (empty($message_set)) + $message_set = '1:*'; + + return $this->fetchHeaderIndex($mailbox, $message_set, 'UID', false); + } + + function fetchHeaders($mailbox, $message_set, $uidfetch=false, $bodystr=false, $add='') + { + $result = array(); + + if (!$this->select($mailbox)) { + return false; + } + + if (is_array($message_set)) + $message_set = join(',', $message_set); + + $message_set = $this->compressMessageSet($message_set); + + if ($add) + $add = ' '.strtoupper(trim($add)); + + /* FETCH uid, size, flags and headers */ + $key = 'FH12'; + $request = $key . ($uidfetch ? ' UID' : '') . " FETCH $message_set "; + $request .= "(UID RFC822.SIZE FLAGS INTERNALDATE "; + if ($bodystr) + $request .= "BODYSTRUCTURE "; + $request .= "BODY.PEEK[HEADER.FIELDS "; + $request .= "(DATE FROM TO SUBJECT REPLY-TO IN-REPLY-TO CC BCC "; + $request .= "CONTENT-TRANSFER-ENCODING CONTENT-TYPE MESSAGE-ID "; + $request .= "REFERENCES DISPOSITION-NOTIFICATION-TO X-PRIORITY "; + $request .= "X-DRAFT-INFO".$add.")])"; + + if (!$this->putLine($request)) { + return false; + } + do { + $line = $this->readLine(1024); + $line = $this->multLine($line); + + if (!$line) + break; + + $a = explode(' ', $line); + + if (($line[0] == '*') && ($a[2] == 'FETCH')) { + $id = $a[1]; + + $result[$id] = new rcube_mail_header; + $result[$id]->id = $id; + $result[$id]->subject = ''; + $result[$id]->messageID = 'mid:' . $id; + + $lines = array(); + $ln = 0; + + // 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 \((.*) BODY/s', $line, $matches)) { + $str = $matches[1]; + + // swap parents with quotes, then explode + $str = preg_replace('/[()]/', '"', $str); + $a = rcube_explode_quoted_string(' ', $str); + + // did we get the right number of replies? + $parts_count = count($a); + if ($parts_count>=6) { + for ($i=0; $i<$parts_count; $i=$i+2) { + if ($a[$i] == 'UID') + $result[$id]->uid = $a[$i+1]; + else if ($a[$i] == 'RFC822.SIZE') + $result[$id]->size = $a[$i+1]; + else if ($a[$i] == 'INTERNALDATE') + $time_str = $a[$i+1]; + else if ($a[$i] == 'FLAGS') + $flags_str = $a[$i+1]; + } + + $time_str = str_replace('"', '', $time_str); + + // if time is gmt... + $time_str = str_replace('GMT','+0000',$time_str); + + $result[$id]->internaldate = $time_str; + $result[$id]->timestamp = $this->StrToTime($time_str); + $result[$id]->date = $time_str; + } + + // BODYSTRUCTURE + if($bodystr) { + while (!preg_match('/ BODYSTRUCTURE (.*) BODY\[HEADER.FIELDS/s', $line, $m)) { + $line2 = $this->readLine(1024); + $line .= $this->multLine($line2, true); + } + $result[$id]->body_structure = $m[1]; + } + + // the rest of the result + preg_match('/ BODY\[HEADER.FIELDS \(.*?\)\]\s*(.*)$/s', $line, $m); + $reslines = explode("\n", trim($m[1], '"')); + // re-parse (see below) + foreach ($reslines as $resln) { + if (ord($resln[0])<=32) { + $lines[$ln] .= (empty($lines[$ln])?'':"\n").trim($resln); + } else { + $lines[++$ln] = trim($resln); + } + } + } + + // Start parsing headers. The problem is, some header "lines" take up multiple lines. + // So, we'll read ahead, and if the one we're reading now is a valid header, we'll + // process the previous line. Otherwise, we'll keep adding the strings until we come + // to the next valid header line. + + do { + $line = chop($this->readLine(300), "\r\n"); + + // The preg_match below works around communigate imap, which outputs " UID <number>)". + // Without this, the while statement continues on and gets the "FH0 OK completed" message. + // If this loop gets the ending message, then the outer loop does not receive it from radline on line 1249. + // This in causes the if statement on line 1278 to never be true, which causes the headers to end up missing + // If the if statement was changed to pick up the fh0 from this loop, then it causes the outer loop to spin + // An alternative might be: + // if (!preg_match("/:/",$line) && preg_match("/\)$/",$line)) break; + // however, unsure how well this would work with all imap clients. + if (preg_match("/^\s*UID [0-9]+\)$/", $line)) { + break; + } + + // handle FLAGS reply after headers (AOL, Zimbra?) + if (preg_match('/\s+FLAGS \((.*)\)\)$/', $line, $matches)) { + $flags_str = $matches[1]; + break; + } + + if (ord($line[0])<=32) { + $lines[$ln] .= (empty($lines[$ln])?'':"\n").trim($line); + } else { + $lines[++$ln] = trim($line); + } + // patch from "Maksim Rubis" <siburny@hotmail.com> + } while ($line[0] != ')' && !$this->startsWith($line, $key, true)); + + if (strncmp($line, $key, strlen($key))) { + // process header, fill rcube_mail_header obj. + // initialize + if (is_array($headers)) { + reset($headers); + while (list($k, $bar) = each($headers)) { + $headers[$k] = ''; + } + } + + // create array with header field:data + while ( list($lines_key, $str) = each($lines) ) { + list($field, $string) = $this->splitHeaderLine($str); + + $field = strtolower($field); + $string = preg_replace('/\n\s*/', ' ', $string); + + switch ($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 = 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 = preg_replace('/[\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) > 2) + $result[$id]->others[$field] = $string; + break; + } // end switch () + } // end while () + } else { + $a = explode(' ', $line); + } + + // process flags + if (!empty($flags_str)) { + $flags_str = preg_replace('/[\\\"]/', '', $flags_str); + $flags_a = explode(' ', $flags_str); + + if (is_array($flags_a)) { + // reset($flags_a); + foreach($flags_a as $flag) { + $flag = strtoupper($flag); + if ($flag == 'SEEN') { + $result[$id]->seen = true; + } else if ($flag == 'DELETED') { + $result[$id]->deleted = true; + } else if ($flag == 'RECENT') { + $result[$id]->recent = true; + } else if ($flag == 'ANSWERED') { + $result[$id]->answered = true; + } else if ($flag == '$FORWARDED') { + $result[$id]->forwarded = true; + } else if ($flag == 'DRAFT') { + $result[$id]->is_draft = true; + } else if ($flag == '$MDNSENT') { + $result[$id]->mdn_sent = true; + } else if ($flag == 'FLAGGED') { + $result[$id]->flagged = true; + } + } + $result[$id]->flags = $flags_a; + } + } + } + } while (!$this->startsWith($line, $key, true)); + + return $result; + } + + function fetchHeader($mailbox, $id, $uidfetch=false, $bodystr=false, $add='') + { + $a = $this->fetchHeaders($mailbox, $id, $uidfetch, $bodystr, $add); + if (is_array($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); + } + + $stripArr = ($field=='subject') ? array('Re: ','Fwd: ','Fw: ','"') : array('"'); + + $c = count($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)) { + $data = strtoupper(str_replace($stripArr, '', $data)); + } + } + $index[$key]=$data; + } + + // sort index + $i = 0; + if ($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]; + $i++; + } + } + + return $result; + } + + function expunge($mailbox, $messages=NULL) + { + if (!$this->select($mailbox)) { + return -1; + } + + $c = 0; + $command = $messages ? "UID EXPUNGE $messages" : "EXPUNGE"; + + if (!$this->putLine("exp1 $command")) { + return -1; + } + + do { + $line = $this->readLine(100); + if ($line[0] == '*') { + $c++; + } + } while (!$this->startsWith($line, 'exp1', true, true)); + + if ($this->parseResult($line) == 0) { + $this->selected = ''; // state has changed, need to reselect + return $c; + } + $this->error = $line; + return -1; + } + + function modFlag($mailbox, $messages, $flag, $mod) + { + if ($mod != '+' && $mod != '-') { + return -1; + } + + $flag = $this->flags[strtoupper($flag)]; + + if (!$this->select($mailbox)) { + return -1; + } + + $c = 0; + if (!$this->putLine("flg UID STORE $messages {$mod}FLAGS ($flag)")) { + return false; + } + + do { + $line = $this->readLine(1000); + if ($line[0] == '*') { + $c++; + } + } while (!$this->startsWith($line, 'flg', true, true)); + + if ($this->parseResult($line) == 0) { + return $c; + } + + $this->error = $line; + return -1; + } + + function flag($mailbox, $messages, $flag) { + return $this->modFlag($mailbox, $messages, $flag, '+'); + } + + function unflag($mailbox, $messages, $flag) { + return $this->modFlag($mailbox, $messages, $flag, '-'); + } + + function delete($mailbox, $messages) { + return $this->modFlag($mailbox, $messages, 'DELETED', '+'); + } + + function copy($messages, $from, $to) + { + if (empty($from) || empty($to)) { + return -1; + } + + if (!$this->select($from)) { + return -1; + } + + $this->putLine("cpy1 UID COPY $messages \"".$this->escape($to)."\""); + $line = $this->readReply(); + return $this->parseResult($line); + } + + function countUnseen($folder) + { + $index = $this->search($folder, 'ALL UNSEEN'); + if (is_array($index)) + return count($index); + return false; + } + + // Don't be tempted to change $str to pass by reference to speed this up - it will slow it down by about + // 7 times instead :-) See comments on http://uk2.php.net/references and this article: + // http://derickrethans.nl/files/phparch-php-variables-article.pdf + private function parseThread($str, $begin, $end, $root, $parent, $depth, &$depthmap, &$haschildren) + { + $node = array(); + if ($str[$begin] != '(') { + $stop = $begin + strspn($str, "1234567890", $begin, $end - $begin); + $msg = substr($str, $begin, $stop - $begin); + if ($msg == 0) + return $node; + if (is_null($root)) + $root = $msg; + $depthmap[$msg] = $depth; + $haschildren[$msg] = false; + if (!is_null($parent)) + $haschildren[$parent] = true; + if ($stop + 1 < $end) + $node[$msg] = $this->parseThread($str, $stop + 1, $end, $root, $msg, $depth + 1, $depthmap, $haschildren); + else + $node[$msg] = array(); + } else { + $off = $begin; + while ($off < $end) { + $start = $off; + $off++; + $n = 1; + while ($n > 0) { + $p = strpos($str, ')', $off); + if ($p === false) { + error_log('Mismatched brackets parsing IMAP THREAD response:'); + error_log(substr($str, ($begin < 10) ? 0 : ($begin - 10), $end - $begin + 20)); + error_log(str_repeat(' ', $off - (($begin < 10) ? 0 : ($begin - 10)))); + return $node; + } + $p1 = strpos($str, '(', $off); + if ($p1 !== false && $p1 < $p) { + $off = $p1 + 1; + $n++; + } else { + $off = $p + 1; + $n--; + } + } + $node += $this->parseThread($str, $start + 1, $off - 1, $root, $parent, $depth, $depthmap, $haschildren); + } + } + + return $node; + } + + function thread($folder, $algorithm='REFERENCES', $criteria='', $encoding='US-ASCII') + { + if (!$this->select($folder)) { + return false; + } + + $encoding = $encoding ? trim($encoding) : 'US-ASCII'; + $algorithm = $algorithm ? trim($algorithm) : 'REFERENCES'; + $criteria = $criteria ? 'ALL '.trim($criteria) : 'ALL'; + + if (!$this->putLineC("thrd1 THREAD $algorithm $encoding $criteria")) { + return false; + } + do { + $line = trim($this->readLine(10000)); + if (preg_match('/^\* THREAD/', $line)) { + $str = trim(substr($line, 8)); + $depthmap = array(); + $haschildren = array(); + $tree = $this->parseThread($str, 0, strlen($str), null, null, 0, $depthmap, $haschildren); + } + } while (!$this->startsWith($line, 'thrd1', true, true)); + + $result_code = $this->parseResult($line); + if ($result_code == 0) { + return array($tree, $depthmap, $haschildren); + } + + $this->error = "Thread: $line"; + return false; + } + + function search($folder, $criteria) + { + if (!$this->select($folder)) { + return false; + } + + $data = ''; + $query = "srch1 SEARCH " . chop($criteria); + + if (!$this->putLineC($query)) { + return false; + } + do { + $line = trim($this->readLine()); + if ($this->startsWith($line, '* SEARCH')) { + $data .= substr($line, 8); + } else if (preg_match('/^[0-9 ]+$/', $line)) { + $data .= $line; + } + } while (!$this->startsWith($line, 'srch1', true, true)); + + $result_code = $this->parseResult($line); + if ($result_code == 0) { + return preg_split('/\s+/', $data, -1, PREG_SPLIT_NO_EMPTY); + } + + $this->error = "Search: $line"; + return false; + } + + function move($messages, $from, $to) + { + if (!$from || !$to) { + return -1; + } + + $r = $this->copy($messages, $from, $to); + + if ($r==0) { + return $this->delete($from, $messages); + } + return $r; + } + + function listMailboxes($ref, $mailbox) + { + if (empty($mailbox)) { + $mailbox = '*'; + } + + if (empty($ref) && $this->rootdir) { + $ref = $this->rootdir; + } + + // send command + if (!$this->putLine("lmb LIST \"". $this->escape($ref) ."\" \"". $this->escape($mailbox) ."\"")) { + return false; + } + + $i = 0; + // get folder list + do { + $line = $this->readLine(500); + $line = $this->multLine($line, true); + + $a = explode(' ', $line); + if (($line[0] == '*') && ($a[1] == 'LIST')) { + $line = rtrim($line); + // split one line + $a = rcube_explode_quoted_string(' ', $line); + // last string is folder name + $folders[$i] = preg_replace(array('/^"/', '/"$/'), '', $this->unEscape($a[count($a)-1])); + // second from last is delimiter + $delim = trim($a[count($a)-2], '"'); + // is it a container? + $i++; + } + } while (!$this->startsWith($line, 'lmb', true)); + + if (is_array($folders)) { + if (!empty($ref)) { + // if rootdir was specified, make sure it's the first element + // some IMAP servers (i.e. Courier) won't return it + if ($ref[strlen($ref)-1]==$delim) + $ref = substr($ref, 0, strlen($ref)-1); + if ($folders[0]!=$ref) + array_unshift($folders, $ref); + } + return $folders; + } else if ($this->parseResult($line) == 0) { + return array('INBOX'); + } + + $this->error = $line; + return false; + } + + function listSubscribed($ref, $mailbox) + { + if (empty($mailbox)) { + $mailbox = '*'; + } + if (empty($ref) && $this->rootdir) { + $ref = $this->rootdir; + } + + $folders = array(); + + // send command + if (!$this->putLine('lsb LSUB "'. $this->escape($ref) . '" "' . $this->escape($mailbox).'"')) { + $this->error = "Couldn't send LSUB command"; + return false; + } + + $i = 0; + + // get folder list + do { + $line = $this->readLine(500); + $line = $this->multLine($line, true); + $a = explode(' ', $line); + + if (($line[0] == '*') && ($a[1] == 'LSUB' || $a[1] == 'LIST')) { + $line = rtrim($line); + + // split one line + $a = rcube_explode_quoted_string(' ', $line); + // last string is folder name + $folder = preg_replace(array('/^"/', '/"$/'), '', $this->UnEscape($a[count($a)-1])); + // @TODO: do we need this check??? + if (!in_array($folder, $folders)) { + $folders[$i] = $folder; + } + // second from last is delimiter + $delim = trim($a[count($a)-2], '"'); + // is it a container? + $i++; + } + } while (!$this->startsWith($line, 'lsb', true)); + + if (is_array($folders)) { + if (!empty($ref)) { + // if rootdir was specified, make sure it's the first element + // some IMAP servers (i.e. Courier) won't return it + if ($ref[strlen($ref)-1]==$delim) { + $ref = substr($ref, 0, strlen($ref)-1); + } + if ($folders[0]!=$ref) { + array_unshift($folders, $ref); + } + } + return $folders; + } + $this->error = $line; + return false; + } + + function fetchMIMEHeaders($mailbox, $id, $parts, $mime=true) + { + if (!$this->select($mailbox)) { + return false; + } + + $result = false; + $parts = (array) $parts; + $key = 'fmh0'; + $peeks = ''; + $idx = 0; + $type = $mime ? 'MIME' : 'HEADER'; + + // format request + foreach($parts as $part) + $peeks[] = "BODY.PEEK[$part.$type]"; + + $request = "$key FETCH $id (" . implode(' ', $peeks) . ')'; + + // send request + if (!$this->putLine($request)) { + return false; + } + + do { + $line = $this->readLine(1000); + $line = $this->multLine($line); + + if (preg_match('/BODY\[([0-9\.]+)\.'.$type.'\]/', $line, $matches)) { + $idx = $matches[1]; + $result[$idx] = preg_replace('/^(\* '.$id.' FETCH \()?\s*BODY\['.$idx.'\.'.$type.'\]\s+/', '', $line); + $result[$idx] = trim($result[$idx], '"'); + $result[$idx] = rtrim($result[$idx], "\t\r\n\0\x0B"); + } + } 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, $file=NULL) + { + if (!$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; + } + + $reply_key = '* ' . $id; + $result = false; + + // format request + $key = 'ftch0'; + $request = $key . ($is_uid ? ' UID' : '') . " FETCH $id (BODY.PEEK[$part])"; + // send request + if (!$this->putLine($request)) { + return false; + } + + // receive reply line + do { + $line = chop($this->readLine(1000)); + $a = explode(' ', $line); + } while (!($end = $this->startsWith($line, $key, true)) && $a[2] != 'FETCH'); + + $len = strlen($line); + + // handle empty "* X FETCH ()" response + if ($line[$len-1] == ')' && $line[$len-2] != '(') { + // one line response, get everything between first and last quotes + if (substr($line, -4, 3) == 'NIL') { + // NIL response + $result = ''; + } else { + $from = strpos($line, '"') + 1; + $to = strrpos($line, '"'); + $len = $to - $from; + $result = substr($line, $from, $len); + } + + if ($mode == 1) + $result = base64_decode($result); + else if ($mode == 2) + $result = quoted_printable_decode($result); + else if ($mode == 3) + $result = convert_uudecode($result); + + } else if ($line[$len-1] == '}') { + // multi-line request, find sizes of content and receive that many bytes + $from = strpos($line, '{') + 1; + $to = strrpos($line, '}'); + $len = $to - $from; + $sizeStr = substr($line, $from, $len); + $bytes = (int)$sizeStr; + $prev = ''; + + while ($bytes > 0) { + $line = $this->readLine(1024); + $len = strlen($line); + + if ($len > $bytes) { + $line = substr($line, 0, $bytes); + $len = strlen($line); + } + $bytes -= $len; + + if ($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 + $prev = ''; + + if ($file) + fwrite($file, base64_decode($line)); + else if ($print) + echo base64_decode($line); + else + $result .= base64_decode($line); + } else if ($mode == 2) { + $line = rtrim($line, "\t\r\0\x0B"); + if ($file) + fwrite($file, quoted_printable_decode($line)); + else if ($print) + echo quoted_printable_decode($line); + else + $result .= quoted_printable_decode($line); + } else if ($mode == 3) { + $line = rtrim($line, "\t\r\n\0\x0B"); + if ($line == 'end' || preg_match('/^begin\s+[0-7]+\s+.+$/', $line)) + continue; + if ($file) + fwrite($file, convert_uudecode($line)); + else if ($print) + echo convert_uudecode($line); + else + $result .= convert_uudecode($line); + } else { + $line = rtrim($line, "\t\r\n\0\x0B"); + if ($file) + fwrite($file, $line . "\n"); + else if ($print) + echo $line . "\n"; + else + $result .= $line . "\n"; + } + } + } + + // read in anything up until last line + if (!$end) + do { + $line = $this->readLine(1024); + } while (!$this->startsWith($line, $key, true)); + + if ($result) { + if ($file) { + fwrite($file, $result); + } else if ($print) { + echo $result; + } else + return $result; + return true; + } + + return false; + } + + function createFolder($folder) + { + if ($this->putLine('c CREATE "' . $this->escape($folder) . '"')) { + do { + $line = $this->readLine(300); + } while (!$this->startsWith($line, 'c ', true, true)); + return ($this->parseResult($line) == 0); + } + return false; + } + + function renameFolder($from, $to) + { + if ($this->putLine('r RENAME "' . $this->escape($from) . '" "' . $this->escape($to) . '"')) { + do { + $line = $this->readLine(300); + } while (!$this->startsWith($line, 'r ', true, true)); + return ($this->parseResult($line) == 0); + } + return false; + } + + function deleteFolder($folder) + { + if ($this->putLine('d DELETE "' . $this->escape($folder). '"')) { + do { + $line = $this->readLine(300); + } while (!$this->startsWith($line, 'd ', true, true)); + return ($this->parseResult($line) == 0); + } + return false; + } + + function clearFolder($folder) + { + $num_in_trash = $this->countMessages($folder); + if ($num_in_trash > 0) { + $this->delete($folder, '1:*'); + } + return ($this->expunge($folder) >= 0); + } + + function subscribe($folder) + { + $query = 'sub1 SUBSCRIBE "' . $this->escape($folder). '"'; + $this->putLine($query); + + $line = trim($this->readLine(512)); + return ($this->parseResult($line) == 0); + } + + function unsubscribe($folder) + { + $query = 'usub1 UNSUBSCRIBE "' . $this->escape($folder) . '"'; + $this->putLine($query); + + $line = trim($this->readLine(512)); + return ($this->parseResult($line) == 0); + } + + function append($folder, &$message) + { + if (!$folder) { + return false; + } + + $message = str_replace("\r", '', $message); + $message = str_replace("\n", "\r\n", $message); + + $len = strlen($message); + if (!$len) { + return false; + } + + $request = 'a APPEND "' . $this->escape($folder) .'" (\\Seen) {' . $len . '}'; + + if ($this->putLine($request)) { + $line = $this->readLine(512); + + if ($line[0] != '+') { + // $errornum = $this->parseResult($line); + $this->error = "Cannot write to folder: $line"; + return false; + } + + if (!$this->putLine($message)) { + return false; + } + + do { + $line = $this->readLine(); + } while (!$this->startsWith($line, 'a ', true, true)); + + $result = ($this->parseResult($line) == 0); + if (!$result) { + $this->error = $line; + } + return $result; + } + + $this->error = "Couldn't send command \"$request\""; + return false; + } + + function appendFromFile($folder, $path, $headers=null, $separator="\n\n") + { + if (!$folder) { + return false; + } + + // open message file + $in_fp = false; + if (file_exists(realpath($path))) { + $in_fp = fopen($path, 'r'); + } + if (!$in_fp) { + $this->error = "Couldn't open $path for reading"; + return false; + } + + $len = filesize($path); + if (!$len) { + return false; + } + + if ($headers) { + $headers = preg_replace('/[\r\n]+$/', '', $headers); + $len += strlen($headers) + strlen($separator); + } + + // send APPEND command + $request = 'a APPEND "' . $this->escape($folder) . '" (\\Seen) {' . $len . '}'; + if ($this->putLine($request)) { + $line = $this->readLine(512); + + if ($line[0] != '+') { + //$errornum = $this->parseResult($line); + $this->error = "Cannot write to folder: $line"; + return false; + } + + // send headers with body separator + if ($headers) { + $this->putLine($headers . $separator, false); + } + + // send file + while (!feof($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, 'a ', true, true)); + + $result = ($this->parseResult($line) == 0); + if (!$result) { + $this->error = $line; + } + + return $result; + } + + $this->error = "Couldn't send command \"$request\""; + return false; + } + + function fetchStructureString($folder, $id, $is_uid=false) + { + if (!$this->select($folder)) { + return false; + } + + $key = 'F1247'; + $result = false; + + if ($this->putLine($key . ($is_uid ? ' UID' : '') ." FETCH $id (BODYSTRUCTURE)")) { + do { + $line = $this->readLine(5000); + $line = $this->multLine($line, true); + if (!preg_match("/^$key/", $line)) + $result .= $line; + } while (!$this->startsWith($line, $key, true, true)); + + $result = trim(substr($result, strpos($result, 'BODYSTRUCTURE')+13, -1)); + } + + return $result; + } + + function getQuota() + { + /* + * GETQUOTAROOT "INBOX" + * QUOTAROOT INBOX user/rchijiiwa1 + * QUOTA user/rchijiiwa1 (STORAGE 654 9765) + * OK Completed + */ + $result = false; + $quota_lines = array(); + + // get line(s) containing quota info + if ($this->putLine('QUOT1 GETQUOTAROOT "INBOX"')) { + do { + $line = chop($this->readLine(5000)); + if ($this->startsWith($line, '* QUOTA ')) { + $quota_lines[] = $line; + } + } while (!$this->startsWith($line, 'QUOT1', true, true)); + } + + // return false if not found, parse if found + $min_free = PHP_INT_MAX; + foreach ($quota_lines as $key => $quota_line) { + $quota_line = preg_replace('/[()]/', '', $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 $result; + } + + private function iil_xor($string, $string2) + { + $result = ''; + $size = strlen($string); + for ($i=0; $i<$size; $i++) { + $result .= chr(ord($string[$i]) ^ ord($string2[$i])); + } + return $result; + } + + private function strToTime($date) + { + // support non-standard "GMTXXXX" literal + $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date); + // if date parsing fails, we have a date in non-rfc format. + // remove token from the end and try again + while ((($ts = @strtotime($date))===false) || ($ts < 0)) { + $d = explode(' ', $date); + array_pop($d); + if (!$d) break; + $date = implode(' ', $d); + } + + $ts = (int) $ts; + + return $ts < 0 ? 0 : $ts; + } + + private function SplitHeaderLine($string) + { + $pos = strpos($string, ':'); + if ($pos>0) { + $res[0] = substr($string, 0, $pos); + $res[1] = trim(substr($string, $pos+1)); + return $res; + } + return $string; + } + + private function parseNamespace($str, &$i, $len=0, $l) + { + if (!$l) { + $str = str_replace('NIL', '()', $str); + } + if (!$len) { + $len = strlen($str); + } + $data = array(); + $in_quotes = false; + $elem = 0; + + for ($i;$i<$len;$i++) { + $c = (string)$str[$i]; + if ($c == '(' && !$in_quotes) { + $i++; + $data[$elem] = $this->parseNamespace($str, $i, $len, $l++); + $elem++; + } else if ($c == ')' && !$in_quotes) { + return $data; + } else if ($c == '\\') { + $i++; + if ($in_quotes) { + $data[$elem] .= $c.$str[$i]; + } + } else if ($c == '"') { + $in_quotes = !$in_quotes; + if (!$in_quotes) { + $elem++; + } + } else if ($in_quotes) { + $data[$elem].=$c; + } + } + + return $data; + } + + private function escape($string) + { + return strtr($string, array('"'=>'\\"', '\\' => '\\\\')); + } + + private function unEscape($string) + { + return strtr($string, array('\\"'=>'"', '\\\\' => '\\')); + } + +} + +?> diff --git a/program/lib/imap.inc b/program/lib/imap.inc deleted file mode 100644 index fc55d73ef..000000000 --- a/program/lib/imap.inc +++ /dev/null @@ -1,2293 +0,0 @@ -<?php -///////////////////////////////////////////////////////// -// -// Iloha IMAP Library (IIL) -// -// (C)Copyright 2002 Ryo Chijiiwa <Ryo@IlohaMail.org> -// -// This file is part of IlohaMail. IlohaMail is free software released -// under the GPL license. See enclosed file COPYING for details, or -// see http://www.fsf.org/copyleft/gpl.html -// -///////////////////////////////////////////////////////// - -/******************************************************** - - FILE: include/imap.inc - PURPOSE: - Provide alternative IMAP library that doesn't rely on the standard - C-Client based version. This allows IlohaMail to function regardless - of whether or not the PHP build it's running on has IMAP functionality - built-in. - USEAGE: - Function containing "_C_" in name require connection handler to be - passed as one of the parameters. To obtain connection handler, use - iil_Connect() - VERSION: - IlohaMail-0.9-20050415 - CHANGES: - File altered by Thomas Bruederli <roundcube@gmail.com> - to fit enhanced equirements by the RoundCube Webmail: - - Added list of server capabilites and check these before invoking commands - - Added junk flag to iilBasicHeader - - Enhanced error reporting on fsockopen() - - Additional parameter for SORT command - - Removed Call-time pass-by-reference because deprecated - - Parse charset from content-type in iil_C_FetchHeaders() - - Enhanced heaer sorting - - Pass message as reference in iil_C_Append (to save memory) - - Added BCC and REFERENCE to the list of headers to fetch in iil_C_FetchHeaders() - - Leave messageID unchanged in iil_C_FetchHeaders() - - Avoid stripslahes in iil_Connect() - - Escape quotes and backslashes in iil_C_Login() - - Added patch to iil_SortHeaders() by Richard Green - - Removed <br> from error messages (better for logging) - - Added patch to iil_C_Sort() enabling UID SORT commands - - Added function iil_C_ID2UID() - - Casting date parts in iil_StrToTime() to avoid mktime() warnings - - Also acceppt LIST responses in iil_C_ListSubscribed() - - Sanity check of $message_set in iil_C_FetchHeaders(), iil_C_FetchHeaderIndex(), iil_C_FetchThreadHeaders() - - Implemented UID FETCH in iil_C_FetchHeaders() - - Abort do-loop on socket errors (fgets returns false) - - $ICL_SSL is not boolean anymore but contains the connection schema (ssl or tls) - - Removed some debuggers (echo ...) - File altered by Aleksander Machniak <alec@alec.pl> - - trim(chop()) replaced by trim() - - added iil_Escape()/iil_UnEscape() with support for " and \ in folder names - - support \ character in username in iil_C_Login() - - fixed iil_MultLine(): use iil_ReadBytes() instead of iil_ReadLine() - - fixed iil_C_FetchStructureString() to handle many literal strings in response - - removed hardcoded data size in iil_ReadLine() - - added iil_PutLine() wrapper for fputs() - - code cleanup and identation fixes - - removed flush() calls in iil_C_HandlePartBody() to prevent from memory leak (#1485187) - - don't return "??" from iil_C_GetQuota() - - RFC3501 [7.1] don't call CAPABILITY if was returned in server - optional resposne in iil_Connect(), added iil_C_GetCapability() - - remove 'undisclosed-recipients' string from 'To' header - - iil_C_HandlePartBody(): added 6th argument and fixed endless loop - - added iil_PutLineC() - - fixed iil_C_Sort() to support very long and/or divided responses - - added BYE/BAD response simple support for endless loop prevention - - added 3rd argument in iil_StartsWith* functions - - fix iil_C_FetchPartHeader() in some cases by use of iil_C_HandlePartBody() - - allow iil_C_HandlePartBody() to fetch whole message - - optimize iil_C_FetchHeaders() to use only one FETCH command - - added 4th argument to iil_Connect() - - allow setting rootdir and delimiter before connect - - support multiquota result - - include BODYSTRUCTURE in iil_C_FetchHeaders() - - added iil_C_FetchMIMEHeaders() function - - added \* flag support - - use PREG instead of EREG - - removed caching functions - - handling connection startup response - - added UID EXPUNGE support - - fixed problem with double quotes and spaces in folder names in LIST and LSUB - - rewritten iil_C_FetchHeaderIndex() - -********************************************************/ - -/** - * @todo Possibly clean up more CS. - * @todo Try to replace most double-quotes with single-quotes. - * @todo Split this file into smaller files. - * @todo Refactor code. - * @todo Replace echo-debugging (make it adhere to config setting and log) - */ - - -if (!isset($IMAP_USE_HEADER_DATE) || !$IMAP_USE_HEADER_DATE) { - $IMAP_USE_INTERNAL_DATE = true; -} - -$GLOBALS['IMAP_FLAGS'] = array( - 'SEEN' => '\\Seen', - 'DELETED' => '\\Deleted', - 'RECENT' => '\\Recent', - 'ANSWERED' => '\\Answered', - 'DRAFT' => '\\Draft', - 'FLAGGED' => '\\Flagged', - 'FORWARDED' => '$Forwarded', - 'MDNSENT' => '$MDNSent', - '*' => '\\*', -); - -$iil_error; -$iil_errornum; -$iil_selected; - -/** - * @todo Change class vars to public/private - */ -class iilConnection -{ - var $fp; - var $error; - var $errorNum; - var $selected; - var $message; - var $host; - var $exists; - var $recent; - var $rootdir; - var $delimiter; - var $capability = array(); - var $permanentflags = array(); - var $capability_readed = false; -} - -/** - * @todo Change class vars to public/private - */ -class iilBasicHeader -{ - var $id; - var $uid; - var $subject; - var $from; - var $to; - var $cc; - var $replyto; - var $in_reply_to; - var $date; - var $messageID; - var $size; - var $encoding; - var $charset; - var $ctype; - var $flags; - var $timestamp; - var $f; - var $body_structure; - var $internaldate; - var $references; - var $priority; - var $mdn_to; - var $mdn_sent = false; - var $is_draft = false; - var $seen = false; - var $deleted = false; - var $recent = false; - var $answered = false; - var $forwarded = false; - var $junk = false; - var $flagged = false; - var $has_children = false; - var $depth = 0; - var $unread_children = 0; - var $others = array(); -} - -function iil_xor($string, $string2) { - $result = ''; - $size = strlen($string); - for ($i=0; $i<$size; $i++) { - $result .= chr(ord($string[$i]) ^ ord($string2[$i])); - } - return $result; -} - -function iil_PutLine($fp, $string, $endln=true) { - global $my_prefs; - - if (!empty($my_prefs['debug_mode'])) - write_log('imap', 'C: '. rtrim($string)); - - return fputs($fp, $string . ($endln ? "\r\n" : '')); -} - -// iil_PutLine replacement with Command Continuation Requests (RFC3501 7.5) support -function iil_PutLineC($fp, $string, $endln=true) { - if ($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])) { - $res += iil_PutLine($fp, $parts[$i].$parts[$i+1], false); - $line = iil_ReadLine($fp, 1000); - // handle error in command - if ($line[0] != '+') - return false; - $i++; - } - else - $res += iil_PutLine($fp, $parts[$i], false); - } - } - return $res; -} - -function iil_ReadLine($fp, $size=1024) { - global $my_prefs; - - $line = ''; - - if (!$fp) { - return NULL; - } - - if (!$size) { - $size = 1024; - } - - do { - if (feof($fp)) { - return $line ? $line : NULL; - } - - $buffer = fgets($fp, $size); - - if ($buffer === false) { - break; - } - if (!empty($my_prefs['debug_mode'])) - write_log('imap', 'S: '. chop($buffer)); - $line .= $buffer; - } while ($buffer[strlen($buffer)-1] != "\n"); - - return $line; -} - -function iil_MultLine($fp, $line, $escape=false) { - $line = chop($line); - if (preg_match('/\{[0-9]+\}$/', $line)) { - $out = ''; - - preg_match_all('/(.*)\{([0-9]+)\}$/', $line, $a); - $bytes = $a[2][0]; - while (strlen($out) < $bytes) { - $line = iil_ReadBytes($fp, $bytes); - if ($line === NULL) - break; - $out .= $line; - } - - $line = $a[1][0] . '"' . ($escape ? iil_Escape($out) : $out) . '"'; - } - return $line; -} - -function iil_ReadBytes($fp, $bytes) { - global $my_prefs; - $data = ''; - $len = 0; - while ($len < $bytes && !feof($fp)) - { - $d = fread($fp, $bytes-$len); - if (!empty($my_prefs['debug_mode'])) - write_log('imap', '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 $data; -} - -// don't use it in loops, until you exactly know what you're doing -function iil_ReadReply($fp) { - do { - $line = trim(iil_ReadLine($fp, 1024)); - } while ($line[0] == '*'); - - return $line; -} - -function iil_ParseResult($string) { - $a = explode(' ', trim($string)); - if (count($a) >= 2) { - $res = strtoupper($a[1]); - if ($res == 'OK') { - return 0; - } else if ($res == 'NO') { - return -1; - } else if ($res == 'BAD') { - return -2; - } else if ($res == 'BYE') { - return -3; - } - } - return -4; -} - -// check if $string starts with $match (or * BYE/BAD) -function iil_StartsWith($string, $match, $error=false) { - $len = strlen($match); - if ($len == 0) { - return false; - } - if (strncmp($string, $match, $len) == 0) { - return true; - } - if ($error && preg_match('/^\* (BYE|BAD) /i', $string)) { - return true; - } - return false; -} - -function iil_StartsWithI($string, $match, $error=false) { - $len = strlen($match); - if ($len == 0) { - return false; - } - if (strncasecmp($string, $match, $len) == 0) { - return true; - } - if ($error && preg_match('/^\* (BYE|BAD) /i', $string)) { - return true; - } - return false; -} - -function iil_Escape($string) -{ - return strtr($string, array('"'=>'\\"', '\\' => '\\\\')); -} - -function iil_UnEscape($string) -{ - return strtr($string, array('\\"'=>'"', '\\\\' => '\\')); -} - -function iil_C_GetCapability(&$conn, $name) -{ - if (in_array($name, $conn->capability)) { - return true; - } - else if ($conn->capability_readed) { - return false; - } - - // get capabilities (only once) because initial - // optional CAPABILITY response may differ - $conn->capability = array(); - - iil_PutLine($conn->fp, "cp01 CAPABILITY"); - do { - $line = trim(iil_ReadLine($conn->fp, 1024)); - $a = explode(' ', $line); - if ($line[0] == '*') { - while (list($k, $w) = each($a)) { - if ($w != '*' && $w != 'CAPABILITY') - $conn->capability[] = strtoupper($w); - } - } - } while ($a[0] != 'cp01'); - - $conn->capability_readed = true; - - if (in_array($name, $conn->capability)) { - return true; - } - - return false; -} - -function iil_C_ClearCapability(&$conn) -{ - $conn->capability = array(); - $conn->capability_readed = false; -} - -function iil_C_Authenticate(&$conn, $user, $pass, $encChallenge) { - - $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 - $hash = md5(iil_xor($pass,$opad) . pack("H*", md5(iil_xor($pass, $ipad) . base64_decode($encChallenge)))); - - // generate reply - $reply = base64_encode($user . ' ' . $hash); - - // send result, get reply - iil_PutLine($conn->fp, $reply); - $line = iil_ReadLine($conn->fp, 1024); - - // process result - $result = iil_ParseResult($line); - if ($result == 0) { - $conn->error .= ''; - $conn->errorNum = 0; - return $conn->fp; - } - - if ($result == -3) fclose($conn->fp); // BYE response - - $conn->error .= 'Authentication for ' . $user . ' failed (AUTH): "'; - $conn->error .= htmlspecialchars($line) . '"'; - $conn->errorNum = $result; - - return $result; -} - -function iil_C_Login(&$conn, $user, $password) { - - iil_PutLine($conn->fp, 'a001 LOGIN "'.iil_Escape($user).'" "'.iil_Escape($password).'"'); - - $line = iil_ReadReply($conn->fp); - - // process result - $result = iil_ParseResult($line); - - if ($result == 0) { - $conn->error .= ''; - $conn->errorNum = 0; - return $conn->fp; - } - - fclose($conn->fp); - - $conn->error .= 'Authentication for ' . $user . ' failed (LOGIN): "'; - $conn->error .= htmlspecialchars($line)."\""; - $conn->errorNum = $result; - - return $result; -} - -function iil_ParseNamespace2($str, &$i, $len=0, $l) { - if (!$l) { - $str = str_replace('NIL', '()', $str); - } - if (!$len) { - $len = strlen($str); - } - $data = array(); - $in_quotes = false; - $elem = 0; - for ($i;$i<$len;$i++) { - $c = (string)$str[$i]; - if ($c == '(' && !$in_quotes) { - $i++; - $data[$elem] = iil_ParseNamespace2($str, $i, $len, $l++); - $elem++; - } else if ($c == ')' && !$in_quotes) { - return $data; - } else if ($c == '\\') { - $i++; - if ($in_quotes) { - $data[$elem] .= $c.$str[$i]; - } - } else if ($c == '"') { - $in_quotes = !$in_quotes; - if (!$in_quotes) { - $elem++; - } - } else if ($in_quotes) { - $data[$elem].=$c; - } - } - return $data; -} - -function iil_C_NameSpace(&$conn) { - global $my_prefs; - - if (isset($my_prefs['rootdir']) && is_string($my_prefs['rootdir'])) { - $conn->rootdir = $my_prefs['rootdir']; - return true; - } - - if (!iil_C_GetCapability($conn, 'NAMESPACE')) { - return false; - } - - iil_PutLine($conn->fp, "ns1 NAMESPACE"); - do { - $line = iil_ReadLine($conn->fp, 1024); - if (iil_StartsWith($line, '* NAMESPACE')) { - $i = 0; - $line = iil_UnEscape($line); - $data = iil_ParseNamespace2(substr($line,11), $i, 0, 0); - } - } while (!iil_StartsWith($line, 'ns1', true)); - - if (!is_array($data)) { - return false; - } - - $user_space_data = $data[0]; - if (!is_array($user_space_data)) { - return false; - } - - $first_userspace = $user_space_data[0]; - if (count($first_userspace)!=2) { - return false; - } - - $conn->rootdir = $first_userspace[0]; - $conn->delimiter = $first_userspace[1]; - $my_prefs['rootdir'] = substr($conn->rootdir, 0, -1); - $my_prefs['delimiter'] = $conn->delimiter; - - return true; -} - -function iil_Connect($host, $user, $password, $options=null) { - global $iil_error, $iil_errornum; - global $ICL_SSL, $ICL_PORT; - global $my_prefs, $IMAP_USE_INTERNAL_DATE; - - $iil_error = ''; - $iil_errornum = 0; - - // set options - if (is_array($options)) { - $my_prefs = $options; - } - // set auth method - if (!empty($my_prefs['auth_method'])) { - $auth_method = strtoupper($my_prefs['auth_method']); - } else { - $auth_method = 'CHECK'; - } - - $message = "INITIAL: $auth_method\n"; - - $result = false; - - // initialize connection - $conn = new iilConnection; - $conn->error = ''; - $conn->errorNum = 0; - $conn->selected = ''; - $conn->user = $user; - $conn->host = $host; - - if ($my_prefs['sort_field'] == 'INTERNALDATE') { - $IMAP_USE_INTERNAL_DATE = true; - } else if ($my_prefs['sort_field'] == 'DATE') { - $IMAP_USE_INTERNAL_DATE = false; - } - - //check input - if (empty($host)) { - $iil_error = "Empty host"; - $iil_errornum = -1; - return false; - } - if (empty($user)) { - $iil_error = "Empty user"; - $iil_errornum = -1; - return false; - } - if (empty($password)) { - $iil_error = "Empty password"; - $iil_errornum = -1; - return false; - } - - if (!$ICL_PORT) { - $ICL_PORT = 143; - } - //check for SSL - if ($ICL_SSL && $ICL_SSL != 'tls') { - $host = $ICL_SSL . '://' . $host; - } - - $conn->fp = @fsockopen($host, $ICL_PORT, $errno, $errstr, 10); - if (!$conn->fp) { - $iil_error = "Could not connect to $host at port $ICL_PORT: $errstr"; - $iil_errornum = -2; - return false; - } - - stream_set_timeout($conn->fp, 10); - $line = trim(fgets($conn->fp, 8192)); - - if ($my_prefs['debug_mode'] && $line) - write_log('imap', 'S: '. $line); - - // Connected to wrong port or connection error? - if (!preg_match('/^\* (OK|PREAUTH)/i', $line)) { - if ($line) - $iil_error = "Wrong startup greeting ($host:$ICL_PORT): $line"; - else - $iil_error = "Empty startup greeting ($host:$ICL_PORT)"; - $iil_errornum = -2; - return false; - } - - // RFC3501 [7.1] optional CAPABILITY response - if (preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches)) { - $conn->capability = explode(' ', strtoupper($matches[1])); - } - - $conn->message .= $line; - - // TLS connection - if ($ICL_SSL == 'tls' && iil_C_GetCapability($conn, 'STARTTLS')) { - if (version_compare(PHP_VERSION, '5.1.0', '>=')) { - iil_PutLine($conn->fp, 'stls000 STARTTLS'); - - $line = iil_ReadLine($conn->fp, 4096); - if (!iil_StartsWith($line, 'stls000 OK')) { - $iil_error = "Server responded to STARTTLS with: $line"; - $iil_errornum = -2; - return false; - } - - if (!stream_socket_enable_crypto($conn->fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) { - $iil_error = "Unable to negotiate TLS"; - $iil_errornum = -2; - return false; - } - - // Now we're authenticated, capabilities need to be reread - iil_C_ClearCapability($conn); - } - } - - $orig_method = $auth_method; - - if ($auth_method == 'CHECK') { - // check for supported auth methods - if (iil_C_GetCapability($conn, 'AUTH=CRAM-MD5') || iil_C_GetCapability($conn, 'AUTH=CRAM_MD5')) { - $auth_method = 'AUTH'; - } - else { - // default to plain text auth - $auth_method = 'PLAIN'; - } - } - - if ($auth_method == 'AUTH') { - // do CRAM-MD5 authentication - iil_PutLine($conn->fp, "a000 AUTHENTICATE CRAM-MD5"); - $line = trim(iil_ReadLine($conn->fp, 1024)); - - if ($line[0] == '+') { - // got a challenge string, try CRAM-MD5 - $result = iil_C_Authenticate($conn, $user, $password, substr($line,2)); - - // stop if server sent BYE response - if ($result == -3) { - $iil_error = $conn->error; - $iil_errornum = $conn->errorNum; - return false; - } - } - - if (!is_resource($result) && $orig_method == 'CHECK') { - $auth_method = 'PLAIN'; - } - } - - if ($auth_method == 'PLAIN') { - // do plain text auth - $result = iil_C_Login($conn, $user, $password); - } - - if (is_resource($result)) { - if ($my_prefs['force_caps']) { - iil_C_ClearCapability($conn); - } - iil_C_Namespace($conn); - return $conn; - } else { - $iil_error = $conn->error; - $iil_errornum = $conn->errorNum; - return false; - } -} - -function iil_Close(&$conn) { - if (iil_PutLine($conn->fp, "I LOGOUT")) { - if (!feof($conn->fp)) - fgets($conn->fp, 1024); - fclose($conn->fp); - $conn->fp = false; - } -} - -function iil_ExplodeQuotedString($delimiter, $string) { - $result = array(); - $strlen = strlen($string); - - for ($q=$p=$i=0; $i < $strlen; $i++) { - if ($string[$i] == "\"" && $string[$i-1] != "\\") { - $q = $q ? false : true; - } - else if (!$q && preg_match("/$delimiter/", $string[$i])) { - $result[] = substr($string, $p, $i - $p); - $p = $i + 1; - } - } - - $result[] = substr($string, $p); - return $result; -} - -function iil_C_Select(&$conn, $mailbox) { - - if (empty($mailbox)) { - return false; - } - if ($conn->selected == $mailbox) { - return true; - } - - if (iil_PutLine($conn->fp, "sel1 SELECT \"".iil_Escape($mailbox).'"')) { - do { - $line = chop(iil_ReadLine($conn->fp, 300)); - $a = explode(' ', $line); - if (count($a) == 3) { - $token = strtoupper($a[2]); - if ($token == 'EXISTS') { - $conn->exists = (int) $a[1]; - } - else if ($token == 'RECENT') { - $conn->recent = (int) $a[1]; - } - } - else if (preg_match('/\[?PERMANENTFLAGS\s+\(([^\)]+)\)\]/U', $line, $match)) { - $conn->permanentflags = explode(' ', $match[1]); - } - } while (!iil_StartsWith($line, 'sel1', true)); - - if (strcasecmp($a[1], 'OK') == 0) { - $conn->selected = $mailbox; - return true; - } - } - return false; -} - -function iil_C_CheckForRecent(&$conn, $mailbox) { - if (empty($mailbox)) { - $mailbox = 'INBOX'; - } - - iil_C_Select($conn, $mailbox); - if ($conn->selected == $mailbox) { - return $conn->recent; - } - return false; -} - -function iil_C_CountMessages(&$conn, $mailbox, $refresh = false) { - if ($refresh) { - $conn->selected = ''; - } - - iil_C_Select($conn, $mailbox); - if ($conn->selected == $mailbox) { - return $conn->exists; - } - return false; -} - -function iil_SplitHeaderLine($string) { - $pos=strpos($string, ':'); - if ($pos>0) { - $res[0] = substr($string, 0, $pos); - $res[1] = trim(substr($string, $pos+1)); - return $res; - } - return $string; -} - -function iil_StrToTime($date) { - - // support non-standard "GMTXXXX" literal - $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date); - // if date parsing fails, we have a date in non-rfc format. - // remove token from the end and try again - while ((($ts = @strtotime($date))===false) || ($ts < 0)) - { - $d = explode(' ', $date); - array_pop($d); - if (!$d) break; - $date = implode(' ', $d); - } - - $ts = (int) $ts; - - return $ts < 0 ? 0 : $ts; -} - -function iil_C_Sort(&$conn, $mailbox, $field, $add='', $is_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[$field]) { - return false; - } - - /* Do "SELECT" command */ - if (!iil_C_Select($conn, $mailbox)) { - return false; - } - - $is_uid = $is_uid ? 'UID ' : ''; - - // message IDs - if (is_array($add)) - $add = iil_CompressMessageSet(join(',', $add)); - - if (!empty($add)) - $add = " $add"; - - $command = 's ' . $is_uid . 'SORT (' . $field . ') '; - $command .= $encoding . ' ALL' . $add; - $line = $data = ''; - - if (!iil_PutLineC($conn->fp, $command)) { - return false; - } - do { - $line = chop(iil_ReadLine($conn->fp)); - if (iil_StartsWith($line, '* SORT')) { - $data .= substr($line, 7); - } else if (preg_match('/^[0-9 ]+$/', $line)) { - $data .= $line; - } - } while (!iil_StartsWith($line, 's ', true)); - - $result_code = iil_ParseResult($line); - - if ($result_code != 0) { - $conn->error = 'iil_C_Sort: ' . $line . "\n"; - return false; - } - - return preg_split('/\s+/', $data, -1, PREG_SPLIT_NO_EMPTY); -} - -function iil_C_FetchHeaderIndex(&$conn, $mailbox, $message_set, $index_field='', $skip_deleted=true, $uidfetch=false) { - - if (is_array($message_set)) { - if (!($message_set = iil_CompressMessageSet(join(',', $message_set)))) - return false; - } else { - list($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 (!iil_C_Select($conn, $mailbox)) { - return false; - } - - // build FETCH command string - $key = 'fhi0'; - $cmd = $uidfetch ? 'UID FETCH' : 'FETCH'; - $deleted = $skip_deleted ? ' FLAGS' : ''; - - if ($mode == 1 && $index_field == 'DATE') - $request = " $cmd $message_set (INTERNALDATE BODY.PEEK[HEADER.FIELDS (DATE)]$deleted)"; - else if ($mode == 1) - $request = " $cmd $message_set (BODY.PEEK[HEADER.FIELDS ($index_field)]$deleted)"; - else if ($mode == 2) { - if ($index_field == 'SIZE') - $request = " $cmd $message_set (RFC822.SIZE$deleted)"; - else - $request = " $cmd $message_set ($index_field$deleted)"; - } else if ($mode == 3) - $request = " $cmd $message_set (FLAGS)"; - else // 4 - $request = " $cmd $message_set (INTERNALDATE$deleted)"; - - $request = $key . $request; - - if (!iil_PutLine($conn->fp, $request)) - return false; - - $result = array(); - - do { - $line = chop(iil_ReadLine($conn->fp, 200)); - $line = iil_MultLine($conn->fp, $line); - - if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { - - $id = $m[1]; - $flags = NULL; - - if ($skip_deleted && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { - $flags = explode(' ', strtoupper($matches[1])); - if (in_array('\\DELETED', $flags)) { - $deleted[$id] = $id; - continue; - } - } - - if ($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] = iil_StrToTime($value); - } - // non-existent/empty Date: header, use INTERNALDATE - if (empty($result[$id])) { - if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) - $result[$id] = iil_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] = iil_StrToTime($matches[1]); - } else { - $result[$id] = 0; - } - } - } - } while (!iil_StartsWith($line, $key, true)); - - return $result; -} - -function iil_CompressMessageSet($message_set) { - //given a comma delimited list of independent mid's, - //compresses by grouping sequences together - - //if less than 255 bytes long, let's not bother - if (strlen($message_set)<255) { - return $message_set; - } - - //see if it's already been compress - if (strpos($message_set, ':') !== false) { - return $message_set; - } - - //separate, then sort - $ids = explode(',', $message_set); - sort($ids); - - $result = array(); - $start = $prev = $ids[0]; - - foreach ($ids 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(',', $result); -} - -function iil_C_UIDsToMIDs(&$conn, $mailbox, $uids) { - if (!is_array($uids) || count($uids) == 0) { - return array(); - } - return iil_C_Search($conn, $mailbox, 'UID ' . implode(',', $uids)); -} - -function iil_C_UIDToMID(&$conn, $mailbox, $uid) { - $result = iil_C_UIDsToMIDs($conn, $mailbox, array($uid)); - if (count($result) == 1) { - return $result[0]; - } - return false; -} - -function iil_C_FetchUIDs(&$conn, $mailbox, $message_set=null) { - global $clock; - - if (is_array($message_set)) - $message_set = join(',', $message_set); - else if (empty($message_set)) - $message_set = '1:*'; - - return iil_C_FetchHeaderIndex($conn, $mailbox, $message_set, 'UID', false); -} - -function iil_C_FetchHeaders(&$conn, $mailbox, $message_set, $uidfetch=false, $bodystr=false, $add='') -{ - global $IMAP_USE_INTERNAL_DATE; - - $result = array(); - $fp = $conn->fp; - - /* Do "SELECT" command */ - if (!iil_C_Select($conn, $mailbox)) { - $conn->error = "Couldn't select $mailbox"; - return false; - } - - if (is_array($message_set)) - $message_set = join(',', $message_set); - - $message_set = iil_CompressMessageSet($message_set); - - if ($add) - $add = ' '.strtoupper(trim($add)); - - /* FETCH uid, size, flags and headers */ - $key = 'FH12'; - $request = $key . ($uidfetch ? ' UID' : '') . " FETCH $message_set "; - $request .= "(UID RFC822.SIZE FLAGS INTERNALDATE "; - if ($bodystr) - $request .= "BODYSTRUCTURE "; - $request .= "BODY.PEEK[HEADER.FIELDS "; - $request .= "(DATE FROM TO SUBJECT REPLY-TO IN-REPLY-TO CC BCC "; - $request .= "CONTENT-TRANSFER-ENCODING CONTENT-TYPE MESSAGE-ID "; - $request .= "REFERENCES DISPOSITION-NOTIFICATION-TO X-PRIORITY "; - $request .= "X-DRAFT-INFO".$add.")])"; - - if (!iil_PutLine($fp, $request)) { - return false; - } - do { - $line = iil_ReadLine($fp, 1024); - $line = iil_MultLine($fp, $line); - - $a = explode(' ', $line); - if (($line[0] == '*') && ($a[2] == 'FETCH')) { - $id = $a[1]; - - $result[$id] = new iilBasicHeader; - $result[$id]->id = $id; - $result[$id]->subject = ''; - $result[$id]->messageID = 'mid:' . $id; - - $lines = array(); - $ln = 0; - /* - 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 \((.*) BODY/s', $line, $matches)) { - $str = $matches[1]; - - // swap parents with quotes, then explode - $str = preg_replace('/[()]/', '"', $str); - $a = iil_ExplodeQuotedString(' ', $str); - - // did we get the right number of replies? - $parts_count = count($a); - if ($parts_count>=6) { - for ($i=0; $i<$parts_count; $i=$i+2) { - if ($a[$i] == 'UID') - $result[$id]->uid = $a[$i+1]; - else if ($a[$i] == 'RFC822.SIZE') - $result[$id]->size = $a[$i+1]; - else if ($a[$i] == 'INTERNALDATE') - $time_str = $a[$i+1]; - else if ($a[$i] == 'FLAGS') - $flags_str = $a[$i+1]; - } - - $time_str = str_replace('"', '', $time_str); - - // if time is gmt... - $time_str = str_replace('GMT','+0000',$time_str); - - $result[$id]->internaldate = $time_str; - $result[$id]->timestamp = iil_StrToTime($time_str); - $result[$id]->date = $time_str; - } - - // BODYSTRUCTURE - if($bodystr) { - while (!preg_match('/ BODYSTRUCTURE (.*) BODY\[HEADER.FIELDS/s', $line, $m)) { - $line2 = iil_ReadLine($fp, 1024); - $line .= iil_MultLine($fp, $line2, true); - } - $result[$id]->body_structure = $m[1]; - } - - // the rest of the result - preg_match('/ BODY\[HEADER.FIELDS \(.*?\)\]\s*(.*)$/s', $line, $m); - $reslines = explode("\n", trim($m[1], '"')); - // re-parse (see below) - foreach ($reslines as $resln) { - if (ord($resln[0])<=32) { - $lines[$ln] .= (empty($lines[$ln])?'':"\n").trim($resln); - } else { - $lines[++$ln] = trim($resln); - } - } - } - - /* - Start parsing headers. The problem is, some header "lines" take up multiple lines. - So, we'll read ahead, and if the one we're reading now is a valid header, we'll - process the previous line. Otherwise, we'll keep adding the strings until we come - to the next valid header line. - */ - - do { - $line = chop(iil_ReadLine($fp, 300), "\r\n"); - - // The preg_match below works around communigate imap, which outputs " UID <number>)". - // Without this, the while statement continues on and gets the "FH0 OK completed" message. - // If this loop gets the ending message, then the outer loop does not receive it from radline on line 1249. - // This in causes the if statement on line 1278 to never be true, which causes the headers to end up missing - // If the if statement was changed to pick up the fh0 from this loop, then it causes the outer loop to spin - // An alternative might be: - // if (!preg_match("/:/",$line) && preg_match("/\)$/",$line)) break; - // however, unsure how well this would work with all imap clients. - if (preg_match("/^\s*UID [0-9]+\)$/", $line)) { - break; - } - - // handle FLAGS reply after headers (AOL, Zimbra?) - if (preg_match('/\s+FLAGS \((.*)\)\)$/', $line, $matches)) { - $flags_str = $matches[1]; - break; - } - - if (ord($line[0])<=32) { - $lines[$ln] .= (empty($lines[$ln])?'':"\n").trim($line); - } else { - $lines[++$ln] = trim($line); - } - // patch from "Maksim Rubis" <siburny@hotmail.com> - } while ($line[0] != ')' && !iil_StartsWith($line, $key, true)); - - if (strncmp($line, $key, strlen($key))) { - // process header, fill iilBasicHeader obj. - // initialize - if (is_array($headers)) { - reset($headers); - while (list($k, $bar) = each($headers)) { - $headers[$k] = ''; - } - } - - // create array with header field:data - while ( list($lines_key, $str) = each($lines) ) { - list($field, $string) = iil_SplitHeaderLine($str); - - $field = strtolower($field); - $string = preg_replace('/\n\s*/', ' ', $string); - - switch ($field) { - case 'date'; - if (!$IMAP_USE_INTERNAL_DATE) { - $result[$id]->date = $string; - $result[$id]->timestamp = iil_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 = 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 = preg_replace('/[\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) > 2) - $result[$id]->others[$field] = $string; - break; - } // end switch () - } // end while () - } else { - $a = explode(' ', $line); - } - - // process flags - if (!empty($flags_str)) { - $flags_str = preg_replace('/[\\\"]/', '', $flags_str); - $flags_a = explode(' ', $flags_str); - - if (is_array($flags_a)) { - // reset($flags_a); - foreach($flags_a as $flag) { - $flag = strtoupper($flag); - if ($flag == 'SEEN') { - $result[$id]->seen = true; - } else if ($flag == 'DELETED') { - $result[$id]->deleted = true; - } else if ($flag == 'RECENT') { - $result[$id]->recent = true; - } else if ($flag == 'ANSWERED') { - $result[$id]->answered = true; - } else if ($flag == '$FORWARDED') { - $result[$id]->forwarded = true; - } else if ($flag == 'DRAFT') { - $result[$id]->is_draft = true; - } else if ($flag == '$MDNSENT') { - $result[$id]->mdn_sent = true; - } else if ($flag == 'FLAGGED') { - $result[$id]->flagged = true; - } - } - $result[$id]->flags = $flags_a; - } - } - } - } while (!iil_StartsWith($line, $key, true)); - - return $result; -} - -function iil_C_FetchHeader(&$conn, $mailbox, $id, $uidfetch=false, $bodystr=false, $add='') { - - $a = iil_C_FetchHeaders($conn, $mailbox, $id, $uidfetch, $bodystr, $add); - if (is_array($a)) { - return array_shift($a); - } - return false; -} - -function iil_SortHeaders($a, $field, $flag) { - if (empty($field)) { - $field = 'uid'; - } - $field = strtolower($field); - if ($field == 'date' || $field == 'internaldate') { - $field = 'timestamp'; - } - if (empty($flag)) { - $flag = 'ASC'; - } - - $flag = strtoupper($flag); - $stripArr = ($field=='subject') ? array('Re: ','Fwd: ','Fw: ','"') : array('"'); - - $c=count($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') { - $data = iil_StrToTime($val->date); - if (!$data) { - $data = $val->timestamp; - } - } else { - $data = $val->$field; - if (is_string($data)) { - $data=strtoupper(str_replace($stripArr, '', $data)); - } - } - $index[$key]=$data; - } - - // sort index - $i = 0; - if ($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]; - $i++; - } - } - - return $result; -} - -function iil_C_Expunge(&$conn, $mailbox, $messages=NULL) { - - if (iil_C_Select($conn, $mailbox)) { - $c = 0; - $command = $messages ? "UID EXPUNGE $messages" : "EXPUNGE"; - - iil_PutLine($conn->fp, "exp1 $command"); - do { - $line = iil_ReadLine($conn->fp, 100); - if ($line[0] == '*') { - $c++; - } - } while (!iil_StartsWith($line, 'exp1', true)); - - if (iil_ParseResult($line) == 0) { - $conn->selected = ''; //state has changed, need to reselect - //$conn->exists-=$c; - return $c; - } - $conn->error = $line; - } - - return -1; -} - -function iil_C_ModFlag(&$conn, $mailbox, $messages, $flag, $mod) { - if ($mod != '+' && $mod != '-') { - return -1; - } - - $flags = $GLOBALS['IMAP_FLAGS']; - $flag = $flags[strtoupper($flag)]; - - if (!iil_C_Select($conn, $mailbox)) { - return -1; - } - - $c = 0; - iil_PutLine($conn->fp, "flg UID STORE $messages " . $mod . "FLAGS (" . $flag . ")"); - do { - $line = iil_ReadLine($conn->fp, 1000); - if ($line[0] == '*') { - $c++; - } - } while (!iil_StartsWith($line, 'flg', true)); - - if (iil_ParseResult($line) == 0) { - return $c; - } - - $conn->error = $line; - return -1; -} - -function iil_C_Flag(&$conn, $mailbox, $messages, $flag) { - return iil_C_ModFlag($conn, $mailbox, $messages, $flag, '+'); -} - -function iil_C_Unflag(&$conn, $mailbox, $messages, $flag) { - return iil_C_ModFlag($conn, $mailbox, $messages, $flag, '-'); -} - -function iil_C_Delete(&$conn, $mailbox, $messages) { - return iil_C_ModFlag($conn, $mailbox, $messages, 'DELETED', '+'); -} - -function iil_C_Copy(&$conn, $messages, $from, $to) { - - if (empty($from) || empty($to)) { - return -1; - } - - if (!iil_C_Select($conn, $from)) { - return -1; - } - - iil_PutLine($conn->fp, "cpy1 UID COPY $messages \"".iil_Escape($to)."\""); - $line = iil_ReadReply($conn->fp); - return iil_ParseResult($line); -} - -function iil_C_CountUnseen(&$conn, $folder) { - $index = iil_C_Search($conn, $folder, 'ALL UNSEEN'); - if (is_array($index)) - return count($index); - return false; -} - -function iil_C_UID2ID(&$conn, $folder, $uid) { - if ($uid > 0) { - $id_a = iil_C_Search($conn, $folder, "UID $uid"); - if (is_array($id_a) && count($id_a) == 1) { - return $id_a[0]; - } - } - return false; -} - -function iil_C_ID2UID(&$conn, $folder, $id) { - - if ($id == 0) { - return -1; - } - $result = -1; - if (iil_C_Select($conn, $folder)) { - $key = 'fuid'; - if (iil_PutLine($conn->fp, "$key FETCH $id (UID)")) { - do { - $line = chop(iil_ReadLine($conn->fp, 1024)); - if (preg_match("/^\* $id FETCH \(UID (.*)\)/i", $line, $r)) { - $result = $r[1]; - } - } while (!iil_StartsWith($line, $key, true)); - } - } - return $result; -} - -// Don't be tempted to change $str to pass by reference to speed this up - it will slow it down by about -// 7 times instead :-) See comments on http://uk2.php.net/references and this article: -// http://derickrethans.nl/files/phparch-php-variables-article.pdf -function iil_ParseThread($str, $begin, $end, $root, $parent, $depth, &$depthmap, &$haschildren) { - $node = array(); - if ($str[$begin] != '(') { - $stop = $begin + strspn($str, "1234567890", $begin, $end - $begin); - $msg = substr($str, $begin, $stop - $begin); - if ($msg == 0) - return $node; - if (is_null($root)) - $root = $msg; - $depthmap[$msg] = $depth; - $haschildren[$msg] = false; - if (!is_null($parent)) - $haschildren[$parent] = true; - if ($stop + 1 < $end) - $node[$msg] = iil_ParseThread($str, $stop + 1, $end, $root, $msg, $depth + 1, $depthmap, $haschildren); - else - $node[$msg] = array(); - } else { - $off = $begin; - while ($off < $end) { - $start = $off; - $off++; - $n = 1; - while ($n > 0) { - $p = strpos($str, ')', $off); - if ($p === false) { - error_log('Mismatched brackets parsing IMAP THREAD response:'); - error_log(substr($str, ($begin < 10) ? 0 : ($begin - 10), $end - $begin + 20)); - error_log(str_repeat(' ', $off - (($begin < 10) ? 0 : ($begin - 10)))); - return $node; - } - $p1 = strpos($str, '(', $off); - if ($p1 !== false && $p1 < $p) { - $off = $p1 + 1; - $n++; - } else { - $off = $p + 1; - $n--; - } - } - $node += iil_ParseThread($str, $start + 1, $off - 1, $root, $parent, $depth, $depthmap, $haschildren); - } - } - - return $node; -} - -function iil_C_Thread(&$conn, $folder, $algorithm='REFERENCES', $criteria='', - $encoding='US-ASCII') { - - if (!iil_C_Select($conn, $folder)) { - $conn->error = "Couldn't select $folder"; - return false; - } - - $encoding = $encoding ? trim($encoding) : 'US-ASCII'; - $algorithm = $algorithm ? trim($algorithm) : 'REFERENCES'; - $criteria = $criteria ? 'ALL '.trim($criteria) : 'ALL'; - - if (!iil_PutLineC($conn->fp, "thrd1 THREAD $algorithm $encoding $criteria")) { - return false; - } - do { - $line = trim(iil_ReadLine($conn->fp, 10000)); - if (preg_match('/^\* THREAD/', $line)) { - $str = trim(substr($line, 8)); - $depthmap = array(); - $haschildren = array(); - $tree = iil_ParseThread($str, 0, strlen($str), null, null, 0, $depthmap, $haschildren); - } - } while (!iil_StartsWith($line, 'thrd1', true)); - - $result_code = iil_ParseResult($line); - if ($result_code == 0) { - return array($tree, $depthmap, $haschildren); - } - - $conn->error = 'iil_C_Thread: ' . $line . "\n"; - return false; -} - -function iil_C_Search(&$conn, $folder, $criteria) { - - if (!iil_C_Select($conn, $folder)) { - $conn->error = "Couldn't select $folder"; - return false; - } - - $data = ''; - $query = 'srch1 SEARCH ' . chop($criteria); - - if (!iil_PutLineC($conn->fp, $query)) { - return false; - } - do { - $line = trim(iil_ReadLine($conn->fp)); - if (iil_StartsWith($line, '* SEARCH')) { - $data .= substr($line, 8); - } else if (preg_match('/^[0-9 ]+$/', $line)) { - $data .= $line; - } - } while (!iil_StartsWith($line, 'srch1', true)); - - $result_code = iil_ParseResult($line); - if ($result_code == 0) { - return preg_split('/\s+/', $data, -1, PREG_SPLIT_NO_EMPTY); - } - - $conn->error = 'iil_C_Search: ' . $line . "\n"; - return false; -} - -function iil_C_Move(&$conn, $messages, $from, $to) { - - if (!$from || !$to) { - return -1; - } - - $r = iil_C_Copy($conn, $messages, $from, $to); - - if ($r==0) { - return iil_C_Delete($conn, $from, $messages); - } - return $r; -} - -/** - * Gets the delimiter, for example: - * INBOX.foo -> . - * INBOX/foo -> / - * INBOX\foo -> \ - * - * @return mixed A delimiter (string), or false. - * @param object $conn The current connection. - * @see iil_Connect() - */ -function iil_C_GetHierarchyDelimiter(&$conn) { - - global $my_prefs; - - if ($conn->delimiter) { - return $conn->delimiter; - } - if (!empty($my_prefs['delimiter'])) { - return ($conn->delimiter = $my_prefs['delimiter']); - } - - $fp = $conn->fp; - $delimiter = false; - - //try (LIST "" ""), should return delimiter (RFC2060 Sec 6.3.8) - if (!iil_PutLine($fp, 'ghd LIST "" ""')) { - return false; - } - - do { - $line=iil_ReadLine($fp, 500); - if ($line[0] == '*') { - $line = rtrim($line); - $a=iil_ExplodeQuotedString(' ', iil_UnEscape($line)); - if ($a[0] == '*') { - $delimiter = str_replace('"', '', $a[count($a)-2]); - } - } - } while (!iil_StartsWith($line, 'ghd', true)); - - if (strlen($delimiter)>0) { - return $delimiter; - } - - //if that fails, try namespace extension - //try to fetch namespace data - iil_PutLine($conn->fp, "ns1 NAMESPACE"); - do { - $line = iil_ReadLine($conn->fp, 1024); - if (iil_StartsWith($line, '* NAMESPACE')) { - $i = 0; - $line = iil_UnEscape($line); - $data = iil_ParseNamespace2(substr($line,11), $i, 0, 0); - } - } while (!iil_StartsWith($line, 'ns1', true)); - - if (!is_array($data)) { - return false; - } - - //extract user space data (opposed to global/shared space) - $user_space_data = $data[0]; - if (!is_array($user_space_data)) { - return false; - } - - //get first element - $first_userspace = $user_space_data[0]; - if (!is_array($first_userspace)) { - return false; - } - - //extract delimiter - $delimiter = $first_userspace[1]; - - return $delimiter; -} - -function iil_C_ListMailboxes(&$conn, $ref, $mailbox) { - - $fp = $conn->fp; - - if (empty($mailbox)) { - $mailbox = '*'; - } - - if (empty($ref) && $conn->rootdir) { - $ref = $conn->rootdir; - } - - // send command - if (!iil_PutLine($fp, "lmb LIST \"".$ref."\" \"".iil_Escape($mailbox)."\"")) { - return false; - } - - $i = 0; - // get folder list - do { - $line = iil_ReadLine($fp, 500); - $line = iil_MultLine($fp, $line, true); - - $a = explode(' ', $line); - if (($line[0] == '*') && ($a[1] == 'LIST')) { - $line = rtrim($line); - // split one line - $a = iil_ExplodeQuotedString(' ', $line); - // last string is folder name - $folders[$i] = preg_replace(array('/^"/', '/"$/'), '', iil_UnEscape($a[count($a)-1])); - - // second from last is delimiter - $delim = trim($a[count($a)-2], '"'); - // is it a container? - $i++; - } - } while (!iil_StartsWith($line, 'lmb', true)); - - if (is_array($folders)) { - if (!empty($ref)) { - // if rootdir was specified, make sure it's the first element - // some IMAP servers (i.e. Courier) won't return it - if ($ref[strlen($ref)-1]==$delim) - $ref = substr($ref, 0, strlen($ref)-1); - if ($folders[0]!=$ref) - array_unshift($folders, $ref); - } - return $folders; - } else if (iil_ParseResult($line) == 0) { - return array('INBOX'); - } else { - $conn->error = $line; - return false; - } -} - -function iil_C_ListSubscribed(&$conn, $ref, $mailbox) { - - $fp = $conn->fp; - if (empty($mailbox)) { - $mailbox = '*'; - } - if (empty($ref) && $conn->rootdir) { - $ref = $conn->rootdir; - } - $folders = array(); - - // send command - if (!iil_PutLine($fp, 'lsb LSUB "' . $ref . '" "' . iil_Escape($mailbox).'"')) { - $conn->error = "Couldn't send LSUB command\n"; - return false; - } - - $i = 0; - - // get folder list - do { - $line = iil_ReadLine($fp, 500); - $line = iil_MultLine($fp, $line, true); - $a = explode(' ', $line); - - if (($line[0] == '*') && ($a[1] == 'LSUB' || $a[1] == 'LIST')) { - $line = rtrim($line); - - // split one line - $a = iil_ExplodeQuotedString(' ', $line); - // last string is folder name - $folder = preg_replace(array('/^"/', '/"$/'), '', iil_UnEscape($a[count($a)-1])); - - // @TODO: do we need this check??? - if (!in_array($folder, $folders)) { - $folders[$i] = $folder; - } - - // second from last is delimiter - $delim = trim($a[count($a)-2], '"'); - - // is it a container? - $i++; - } - } while (!iil_StartsWith($line, 'lsb', true)); - - if (is_array($folders)) { - if (!empty($ref)) { - // if rootdir was specified, make sure it's the first element - // some IMAP servers (i.e. Courier) won't return it - if ($ref[strlen($ref)-1]==$delim) { - $ref = substr($ref, 0, strlen($ref)-1); - } - if ($folders[0]!=$ref) { - array_unshift($folders, $ref); - } - } - return $folders; - } - $conn->error = $line; - return false; -} - -function iil_C_Subscribe(&$conn, $folder) { - $fp = $conn->fp; - - $query = 'sub1 SUBSCRIBE "' . iil_Escape($folder). '"'; - iil_PutLine($fp, $query); - - $line = trim(iil_ReadLine($fp, 512)); - return (iil_ParseResult($line) == 0); -} - -function iil_C_UnSubscribe(&$conn, $folder) { - $fp = $conn->fp; - - $query = 'usub1 UNSUBSCRIBE "' . iil_Escape($folder) . '"'; - iil_PutLine($fp, $query); - - $line = trim(iil_ReadLine($fp, 512)); - return (iil_ParseResult($line) == 0); -} - -function iil_C_FetchMIMEHeaders(&$conn, $mailbox, $id, $parts, $mime=true) { - - $fp = $conn->fp; - - if (!iil_C_Select($conn, $mailbox)) { - return false; - } - - $result = false; - $parts = (array) $parts; - $key = 'fmh0'; - $peeks = ''; - $idx = 0; - $type = $mime ? 'MIME' : 'HEADER'; - - // format request - foreach($parts as $part) - $peeks[] = "BODY.PEEK[$part.$type]"; - - $request = "$key FETCH $id (" . implode(' ', $peeks) . ')'; - - // send request - if (!iil_PutLine($fp, $request)) { - return false; - } - - do { - $line = iil_ReadLine($fp, 1000); - $line = iil_MultLine($fp, $line); - - if (preg_match('/BODY\[([0-9\.]+)\.'.$type.'\]/', $line, $matches)) { - $idx = $matches[1]; - $result[$idx] = preg_replace('/^(\* '.$id.' FETCH \()?\s*BODY\['.$idx.'\.'.$type.'\]\s+/', '', $line); - $result[$idx] = trim($result[$idx], '"'); - $result[$idx] = rtrim($result[$idx], "\t\r\n\0\x0B"); - } - } while (!iil_StartsWith($line, $key, true)); - - return $result; -} - -function iil_C_FetchPartHeader(&$conn, $mailbox, $id, $is_uid=false, $part=NULL) { - - $part = empty($part) ? 'HEADER' : $part.'.MIME'; - - return iil_C_HandlePartBody($conn, $mailbox, $id, $is_uid, $part); -} - -function iil_C_HandlePartBody(&$conn, $mailbox, $id, $is_uid=false, $part='', $encoding=NULL, $print=NULL, $file=NULL) { - - $fp = $conn->fp; - $result = false; - - switch ($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: - $mode = 0; - } - - if (iil_C_Select($conn, $mailbox)) { - $reply_key = '* ' . $id; - - // format request - $key = 'ftch0'; - $request = $key . ($is_uid ? ' UID' : '') . " FETCH $id (BODY.PEEK[$part])"; - // send request - if (!iil_PutLine($fp, $request)) { - return false; - } - - // receive reply line - do { - $line = chop(iil_ReadLine($fp, 1000)); - $a = explode(' ', $line); - } while (!($end = iil_StartsWith($line, $key, true)) && $a[2] != 'FETCH'); - $len = strlen($line); - - // handle empty "* X FETCH ()" response - if ($line[$len-1] == ')' && $line[$len-2] != '(') { - // one line response, get everything between first and last quotes - if (substr($line, -4, 3) == 'NIL') { - // NIL response - $result = ''; - } else { - $from = strpos($line, '"') + 1; - $to = strrpos($line, '"'); - $len = $to - $from; - $result = substr($line, $from, $len); - } - - if ($mode == 1) - $result = base64_decode($result); - else if ($mode == 2) - $result = quoted_printable_decode($result); - else if ($mode == 3) - $result = convert_uudecode($result); - - } else if ($line[$len-1] == '}') { - //multi-line request, find sizes of content and receive that many bytes - $from = strpos($line, '{') + 1; - $to = strrpos($line, '}'); - $len = $to - $from; - $sizeStr = substr($line, $from, $len); - $bytes = (int)$sizeStr; - $prev = ''; - - while ($bytes > 0) { - $line = iil_ReadLine($fp, 1024); - $len = strlen($line); - - if ($len > $bytes) { - $line = substr($line, 0, $bytes); - $len = strlen($line); - } - $bytes -= $len; - - if ($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 - $prev = ''; - - if ($file) - fwrite($file, base64_decode($line)); - else if ($print) - echo base64_decode($line); - else - $result .= base64_decode($line); - } else if ($mode == 2) { - $line = rtrim($line, "\t\r\0\x0B"); - if ($file) - fwrite($file, quoted_printable_decode($line)); - else if ($print) - echo quoted_printable_decode($line); - else - $result .= quoted_printable_decode($line); - } else if ($mode == 3) { - $line = rtrim($line, "\t\r\n\0\x0B"); - if ($line == 'end' || preg_match('/^begin\s+[0-7]+\s+.+$/', $line)) - continue; - if ($file) - fwrite($file, convert_uudecode($line)); - else if ($print) - echo convert_uudecode($line); - else - $result .= convert_uudecode($line); - } else { - $line = rtrim($line, "\t\r\n\0\x0B"); - if ($file) - fwrite($file, $line . "\n"); - else if ($print) - echo $line . "\n"; - else - $result .= $line . "\n"; - } - } - } - // read in anything up until last line - if (!$end) - do { - $line = iil_ReadLine($fp, 1024); - } while (!iil_StartsWith($line, $key, true)); - - if ($result) { - if ($file) { - fwrite($file, $result); - } else if ($print) { - echo $result; - } else - return $result; - - return true; - } - } - - return false; -} - -function iil_C_CreateFolder(&$conn, $folder) { - $fp = $conn->fp; - if (iil_PutLine($fp, 'c CREATE "' . iil_Escape($folder) . '"')) { - do { - $line=iil_ReadLine($fp, 300); - } while (!iil_StartsWith($line, 'c ', true)); - return (iil_ParseResult($line) == 0); - } - return false; -} - -function iil_C_RenameFolder(&$conn, $from, $to) { - $fp = $conn->fp; - if (iil_PutLine($fp, 'r RENAME "' . iil_Escape($from) . '" "' . iil_Escape($to) . '"')) { - do { - $line = iil_ReadLine($fp, 300); - } while (!iil_StartsWith($line, 'r ', true)); - return (iil_ParseResult($line) == 0); - } - return false; -} - -function iil_C_DeleteFolder(&$conn, $folder) { - $fp = $conn->fp; - if (iil_PutLine($fp, 'd DELETE "' . iil_Escape($folder). '"')) { - do { - $line=iil_ReadLine($fp, 300); - } while (!iil_StartsWith($line, 'd ', true)); - return (iil_ParseResult($line) == 0); - } - return false; -} - -function iil_C_Append(&$conn, $folder, &$message) { - if (!$folder) { - return false; - } - $fp = $conn->fp; - - $message = str_replace("\r", '', $message); - $message = str_replace("\n", "\r\n", $message); - - $len = strlen($message); - if (!$len) { - return false; - } - - $request = 'a APPEND "' . iil_Escape($folder) .'" (\\Seen) {' . $len . '}'; - - if (iil_PutLine($fp, $request)) { - $line = iil_ReadLine($fp, 512); - - if ($line[0] != '+') { - // $errornum = iil_ParseResult($line); - $conn->error .= "Cannot write to folder: $line\n"; - return false; - } - - iil_PutLine($fp, $message); - - do { - $line = iil_ReadLine($fp); - } while (!iil_StartsWith($line, 'a ', true)); - - $result = (iil_ParseResult($line) == 0); - if (!$result) { - $conn->error .= $line . "\n"; - } - return $result; - } - - $conn->error .= "Couldn't send command \"$request\"\n"; - return false; -} - -function iil_C_AppendFromFile(&$conn, $folder, $path, $headers=null, $separator="\n\n") { - if (!$folder) { - return false; - } - - //open message file - $in_fp = false; - if (file_exists(realpath($path))) { - $in_fp = fopen($path, 'r'); - } - if (!$in_fp) { - $conn->error .= "Couldn't open $path for reading\n"; - return false; - } - - $fp = $conn->fp; - $len = filesize($path); - if (!$len) { - return false; - } - - if ($headers) { - $headers = preg_replace('/[\r\n]+$/', '', $headers); - $len += strlen($headers) + strlen($separator); - } - - //send APPEND command - $request = 'a APPEND "' . iil_Escape($folder) . '" (\\Seen) {' . $len . '}'; - if (iil_PutLine($fp, $request)) { - $line = iil_ReadLine($fp, 512); - - if ($line[0] != '+') { - //$errornum = iil_ParseResult($line); - $conn->error .= "Cannot write to folder: $line\n"; - return false; - } - - // send headers with body separator - if ($headers) { - iil_PutLine($fp, $headers . $separator, false); - } - - // send file - while (!feof($in_fp)) { - $buffer = fgets($in_fp, 4096); - iil_PutLine($fp, $buffer, false); - } - fclose($in_fp); - - iil_PutLine($fp, ''); // \r\n - - // read response - do { - $line = iil_ReadLine($fp); - } while (!iil_StartsWith($line, 'a ', true)); - - $result = (iil_ParseResult($line) == 0); - if (!$result) { - $conn->error .= $line . "\n"; - } - - return $result; - } - - $conn->error .= "Couldn't send command \"$request\"\n"; - return false; -} - -function iil_C_FetchStructureString(&$conn, $folder, $id, $is_uid=false) { - $fp = $conn->fp; - $result = false; - - if (iil_C_Select($conn, $folder)) { - $key = 'F1247'; - - if (iil_PutLine($fp, $key . ($is_uid ? ' UID' : '') ." FETCH $id (BODYSTRUCTURE)")) { - do { - $line = iil_ReadLine($fp, 5000); - $line = iil_MultLine($fp, $line, true); - if (!preg_match("/^$key/", $line)) - $result .= $line; - } while (!iil_StartsWith($line, $key, true)); - - $result = trim(substr($result, strpos($result, 'BODYSTRUCTURE')+13, -1)); - } - } - return $result; -} - -function iil_C_GetQuota(&$conn) { -/* - * GETQUOTAROOT "INBOX" - * QUOTAROOT INBOX user/rchijiiwa1 - * QUOTA user/rchijiiwa1 (STORAGE 654 9765) - * OK Completed - */ - $fp = $conn->fp; - $result = false; - $quota_lines = array(); - - // get line(s) containing quota info - if (iil_PutLine($fp, 'QUOT1 GETQUOTAROOT "INBOX"')) { - do { - $line=chop(iil_ReadLine($fp, 5000)); - if (iil_StartsWith($line, '* QUOTA ')) { - $quota_lines[] = $line; - } - } while (!iil_StartsWith($line, 'QUOT1', true)); - } - - // return false if not found, parse if found - $min_free = PHP_INT_MAX; - foreach ($quota_lines as $key => $quota_line) { - $quota_line = preg_replace('/[()]/', '', $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 $result; -} - -function iil_C_ClearFolder(&$conn, $folder) { - $num_in_trash = iil_C_CountMessages($conn, $folder); - if ($num_in_trash > 0) { - iil_C_Delete($conn, $folder, '1:*'); - } - return (iil_C_Expunge($conn, $folder) >= 0); -} - -?> |