| 1 | <?php |
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| 2 | |
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| 3 | /* |
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| 4 | +-----------------------------------------------------------------------+ |
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| 5 | | program/include/rcube_imap.php | |
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| 6 | | | |
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| 7 | | This file is part of the RoundCube Webmail client | |
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| 8 | | Copyright (C) 2005-2008, RoundCube Dev. - Switzerland | |
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| 9 | | Licensed under the GNU GPL | |
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| 10 | | | |
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| 11 | | PURPOSE: | |
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| 12 | | IMAP wrapper that implements the Iloha IMAP Library (IIL) | |
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| 13 | | See http://ilohamail.org/ for details | |
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| 14 | | | |
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| 15 | +-----------------------------------------------------------------------+ |
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| 16 | | Author: Thomas Bruederli <roundcube@gmail.com> | |
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| 17 | +-----------------------------------------------------------------------+ |
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| 18 | |
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| 19 | $Id$ |
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| 20 | |
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| 21 | */ |
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| 22 | |
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| 23 | |
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| 24 | /* |
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| 25 | * Obtain classes from the Iloha IMAP library |
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| 26 | */ |
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| 27 | require_once('lib/imap.inc'); |
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| 28 | require_once('lib/mime.inc'); |
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| 29 | |
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| 30 | |
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| 31 | /** |
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| 32 | * Interface class for accessing an IMAP server |
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| 33 | * |
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| 34 | * This is a wrapper that implements the Iloha IMAP Library (IIL) |
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| 35 | * |
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| 36 | * @package Mail |
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| 37 | * @author Thomas Bruederli <roundcube@gmail.com> |
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| 38 | * @version 1.40 |
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| 39 | * @link http://ilohamail.org |
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| 40 | */ |
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| 41 | class rcube_imap |
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| 42 | { |
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| 43 | var $db; |
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| 44 | var $conn; |
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| 45 | var $root_ns = ''; |
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| 46 | var $root_dir = ''; |
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| 47 | var $mailbox = 'INBOX'; |
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| 48 | var $list_page = 1; |
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| 49 | var $page_size = 10; |
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| 50 | var $sort_field = 'date'; |
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| 51 | var $sort_order = 'DESC'; |
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| 52 | var $delimiter = NULL; |
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| 53 | var $caching_enabled = FALSE; |
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| 54 | var $default_charset = 'ISO-8859-1'; |
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| 55 | var $default_folders = array('INBOX'); |
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| 56 | var $default_folders_lc = array('inbox'); |
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| 57 | var $fetch_add_headers = ''; |
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| 58 | var $cache = array(); |
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| 59 | var $cache_keys = array(); |
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| 60 | var $cache_changes = array(); |
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| 61 | var $uid_id_map = array(); |
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| 62 | var $msg_headers = array(); |
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| 63 | var $skip_deleted = FALSE; |
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| 64 | var $search_set = NULL; |
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| 65 | var $search_string = ''; |
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| 66 | var $search_charset = ''; |
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| 67 | var $search_sort_field = ''; |
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| 68 | var $debug_level = 1; |
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| 69 | var $error_code = 0; |
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| 70 | var $options = array('imap' => 'check'); |
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| 71 | |
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| 72 | |
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| 73 | /** |
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| 74 | * Object constructor |
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| 75 | * |
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| 76 | * @param object DB Database connection |
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| 77 | */ |
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| 78 | function __construct($db_conn) |
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| 79 | { |
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| 80 | $this->db = $db_conn; |
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| 81 | } |
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| 82 | |
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| 83 | |
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| 84 | /** |
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| 85 | * Connect to an IMAP server |
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| 86 | * |
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| 87 | * @param string Host to connect |
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| 88 | * @param string Username for IMAP account |
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| 89 | * @param string Password for IMAP account |
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| 90 | * @param number Port to connect to |
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| 91 | * @param string SSL schema (either ssl or tls) or null if plain connection |
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| 92 | * @return boolean TRUE on success, FALSE on failure |
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| 93 | * @access public |
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| 94 | */ |
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| 95 | function connect($host, $user, $pass, $port=143, $use_ssl=null) |
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| 96 | { |
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| 97 | global $ICL_SSL, $ICL_PORT, $IMAP_USE_INTERNAL_DATE; |
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| 98 | |
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| 99 | // check for Open-SSL support in PHP build |
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| 100 | if ($use_ssl && in_array('openssl', get_loaded_extensions())) |
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| 101 | $ICL_SSL = $use_ssl == 'imaps' ? 'ssl' : $use_ssl; |
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| 102 | else if ($use_ssl) |
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| 103 | { |
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| 104 | raise_error(array('code' => 403, 'type' => 'imap', 'file' => __FILE__, |
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| 105 | 'message' => 'Open SSL not available;'), TRUE, FALSE); |
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| 106 | $port = 143; |
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| 107 | } |
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| 108 | |
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| 109 | $ICL_PORT = $port; |
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| 110 | $IMAP_USE_INTERNAL_DATE = false; |
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| 111 | |
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| 112 | $this->conn = iil_Connect($host, $user, $pass, $this->options); |
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| 113 | $this->host = $host; |
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| 114 | $this->user = $user; |
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| 115 | $this->pass = $pass; |
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| 116 | $this->port = $port; |
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| 117 | $this->ssl = $use_ssl; |
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| 118 | |
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| 119 | // print trace mesages |
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| 120 | if ($this->conn && ($this->debug_level & 8)) |
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| 121 | console($this->conn->message); |
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| 122 | |
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| 123 | // write error log |
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| 124 | else if (!$this->conn && $GLOBALS['iil_error']) |
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| 125 | { |
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| 126 | $this->error_code = $GLOBALS['iil_errornum']; |
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| 127 | raise_error(array('code' => 403, |
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| 128 | 'type' => 'imap', |
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| 129 | 'message' => $GLOBALS['iil_error']), TRUE, FALSE); |
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| 130 | } |
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| 131 | |
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| 132 | // get server properties |
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| 133 | if ($this->conn) |
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| 134 | { |
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| 135 | if (!empty($this->conn->delimiter)) |
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| 136 | $this->delimiter = $this->conn->delimiter; |
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| 137 | if (!empty($this->conn->rootdir)) |
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| 138 | { |
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| 139 | $this->set_rootdir($this->conn->rootdir); |
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| 140 | $this->root_ns = ereg_replace('[\.\/]$', '', $this->conn->rootdir); |
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| 141 | } |
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| 142 | } |
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| 143 | |
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| 144 | return $this->conn ? TRUE : FALSE; |
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| 145 | } |
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| 146 | |
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| 147 | |
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| 148 | /** |
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| 149 | * Close IMAP connection |
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| 150 | * Usually done on script shutdown |
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| 151 | * |
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| 152 | * @access public |
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| 153 | */ |
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| 154 | function close() |
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| 155 | { |
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| 156 | if ($this->conn) |
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| 157 | iil_Close($this->conn); |
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| 158 | } |
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| 159 | |
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| 160 | |
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| 161 | /** |
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| 162 | * Close IMAP connection and re-connect |
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| 163 | * This is used to avoid some strange socket errors when talking to Courier IMAP |
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| 164 | * |
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| 165 | * @access public |
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| 166 | */ |
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| 167 | function reconnect() |
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| 168 | { |
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| 169 | $this->close(); |
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| 170 | $this->connect($this->host, $this->user, $this->pass, $this->port, $this->ssl); |
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| 171 | |
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| 172 | // issue SELECT command to restore connection status |
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| 173 | if ($this->mailbox) |
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| 174 | iil_C_Select($this->conn, $this->mailbox); |
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| 175 | } |
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| 176 | |
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| 177 | /** |
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| 178 | * Set options to be used in iil_Connect() |
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| 179 | */ |
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| 180 | function set_options($opt) |
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| 181 | { |
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| 182 | $this->options = array_merge($this->options, (array)$opt); |
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| 183 | } |
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| 184 | |
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| 185 | /** |
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| 186 | * Set a root folder for the IMAP connection. |
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| 187 | * |
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| 188 | * Only folders within this root folder will be displayed |
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| 189 | * and all folder paths will be translated using this folder name |
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| 190 | * |
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| 191 | * @param string Root folder |
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| 192 | * @access public |
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| 193 | */ |
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| 194 | function set_rootdir($root) |
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| 195 | { |
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| 196 | if (ereg('[\.\/]$', $root)) //(substr($root, -1, 1)==='/') |
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| 197 | $root = substr($root, 0, -1); |
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| 198 | |
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| 199 | $this->root_dir = $root; |
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| 200 | $this->options['rootdir'] = $root; |
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| 201 | |
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| 202 | if (empty($this->delimiter)) |
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| 203 | $this->get_hierarchy_delimiter(); |
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| 204 | } |
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| 205 | |
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| 206 | |
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| 207 | /** |
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| 208 | * Set default message charset |
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| 209 | * |
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| 210 | * This will be used for message decoding if a charset specification is not available |
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| 211 | * |
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| 212 | * @param string Charset string |
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| 213 | * @access public |
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| 214 | */ |
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| 215 | function set_charset($cs) |
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| 216 | { |
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| 217 | $this->default_charset = $cs; |
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| 218 | } |
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| 219 | |
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| 220 | |
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| 221 | /** |
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| 222 | * This list of folders will be listed above all other folders |
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| 223 | * |
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| 224 | * @param array Indexed list of folder names |
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| 225 | * @access public |
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| 226 | */ |
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| 227 | function set_default_mailboxes($arr) |
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| 228 | { |
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| 229 | if (is_array($arr)) |
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| 230 | { |
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| 231 | $this->default_folders = $arr; |
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| 232 | $this->default_folders_lc = array(); |
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| 233 | |
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| 234 | // add inbox if not included |
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| 235 | if (!in_array_nocase('INBOX', $this->default_folders)) |
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| 236 | array_unshift($this->default_folders, 'INBOX'); |
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| 237 | |
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| 238 | // create a second list with lower cased names |
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| 239 | foreach ($this->default_folders as $mbox) |
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| 240 | $this->default_folders_lc[] = strtolower($mbox); |
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| 241 | } |
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| 242 | } |
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| 243 | |
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| 244 | |
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| 245 | /** |
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| 246 | * Set internal mailbox reference. |
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| 247 | * |
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| 248 | * All operations will be perfomed on this mailbox/folder |
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| 249 | * |
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| 250 | * @param string Mailbox/Folder name |
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| 251 | * @access public |
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| 252 | */ |
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| 253 | function set_mailbox($new_mbox) |
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| 254 | { |
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| 255 | $mailbox = $this->_mod_mailbox($new_mbox); |
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| 256 | |
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| 257 | if ($this->mailbox == $mailbox) |
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| 258 | return; |
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| 259 | |
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| 260 | $this->mailbox = $mailbox; |
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| 261 | |
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| 262 | // clear messagecount cache for this mailbox |
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| 263 | $this->_clear_messagecount($mailbox); |
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| 264 | } |
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| 265 | |
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| 266 | |
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| 267 | /** |
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| 268 | * Set internal list page |
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| 269 | * |
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| 270 | * @param number Page number to list |
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| 271 | * @access public |
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| 272 | */ |
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| 273 | function set_page($page) |
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| 274 | { |
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| 275 | $this->list_page = (int)$page; |
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| 276 | } |
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| 277 | |
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| 278 | |
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| 279 | /** |
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| 280 | * Set internal page size |
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| 281 | * |
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| 282 | * @param number Number of messages to display on one page |
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| 283 | * @access public |
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| 284 | */ |
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| 285 | function set_pagesize($size) |
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| 286 | { |
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| 287 | $this->page_size = (int)$size; |
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| 288 | } |
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| 289 | |
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| 290 | |
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| 291 | /** |
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| 292 | * Save a set of message ids for future message listing methods |
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| 293 | * |
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| 294 | * @param string IMAP Search query |
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| 295 | * @param array List of message ids or NULL if empty |
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| 296 | * @param string Charset of search string |
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| 297 | * @param string Sorting field |
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| 298 | */ |
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| 299 | function set_search_set($str=null, $msgs=null, $charset=null, $sort_field=null) |
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| 300 | { |
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| 301 | if (is_array($str) && $msgs == null) |
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| 302 | list($str, $msgs, $charset, $sort_field) = $str; |
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| 303 | if ($msgs != null && !is_array($msgs)) |
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| 304 | $msgs = split(',', $msgs); |
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| 305 | |
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| 306 | $this->search_string = $str; |
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| 307 | $this->search_set = $msgs; |
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| 308 | $this->search_charset = $charset; |
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| 309 | $this->search_sort_field = $sort_field; |
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| 310 | } |
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| 311 | |
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| 312 | |
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| 313 | /** |
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| 314 | * Return the saved search set as hash array |
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| 315 | * @return array Search set |
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| 316 | */ |
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| 317 | function get_search_set() |
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| 318 | { |
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| 319 | return array($this->search_string, $this->search_set, $this->search_charset, $this->search_sort_field); |
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| 320 | } |
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| 321 | |
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| 322 | |
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| 323 | /** |
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| 324 | * Returns the currently used mailbox name |
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| 325 | * |
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| 326 | * @return string Name of the mailbox/folder |
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| 327 | * @access public |
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| 328 | */ |
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| 329 | function get_mailbox_name() |
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| 330 | { |
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| 331 | return $this->conn ? $this->_mod_mailbox($this->mailbox, 'out') : ''; |
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| 332 | } |
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| 333 | |
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| 334 | |
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| 335 | /** |
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| 336 | * Returns the IMAP server's capability |
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| 337 | * |
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| 338 | * @param string Capability name |
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| 339 | * @return mixed Capability value or TRUE if supported, FALSE if not |
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| 340 | * @access public |
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| 341 | */ |
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| 342 | function get_capability($cap) |
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| 343 | { |
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| 344 | return iil_C_GetCapability($this->conn, strtoupper($cap)); |
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| 345 | } |
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| 346 | |
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| 347 | |
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| 348 | /** |
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| 349 | * Checks the PERMANENTFLAGS capability of the current mailbox |
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| 350 | * and returns true if the given flag is supported by the IMAP server |
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| 351 | * |
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| 352 | * @param string Permanentflag name |
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| 353 | * @return mixed True if this flag is supported |
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| 354 | * @access public |
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| 355 | */ |
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| 356 | function check_permflag($flag) |
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| 357 | { |
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| 358 | $flagsmap = $GLOBALS['IMAP_FLAGS']; |
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| 359 | return (($imap_flag = $flagsmap[strtoupper($flag)]) && in_array_nocase($imap_flag, $this->conn->permanentflags)); |
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| 360 | } |
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| 361 | |
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| 362 | |
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| 363 | /** |
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| 364 | * Returns the delimiter that is used by the IMAP server for folder separation |
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| 365 | * |
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| 366 | * @return string Delimiter string |
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| 367 | * @access public |
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| 368 | */ |
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| 369 | function get_hierarchy_delimiter() |
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| 370 | { |
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| 371 | if ($this->conn && empty($this->delimiter)) |
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| 372 | $this->delimiter = iil_C_GetHierarchyDelimiter($this->conn); |
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| 373 | |
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| 374 | if (empty($this->delimiter)) |
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| 375 | $this->delimiter = '/'; |
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| 376 | |
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| 377 | return $this->delimiter; |
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| 378 | } |
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| 379 | |
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| 380 | |
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| 381 | /** |
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| 382 | * Public method for mailbox listing. |
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| 383 | * |
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| 384 | * Converts mailbox name with root dir first |
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| 385 | * |
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| 386 | * @param string Optional root folder |
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| 387 | * @param string Optional filter for mailbox listing |
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| 388 | * @return array List of mailboxes/folders |
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| 389 | * @access public |
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| 390 | */ |
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| 391 | function list_mailboxes($root='', $filter='*') |
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| 392 | { |
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| 393 | $a_out = array(); |
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| 394 | $a_mboxes = $this->_list_mailboxes($root, $filter); |
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| 395 | |
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| 396 | foreach ($a_mboxes as $mbox_row) |
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| 397 | { |
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| 398 | $name = $this->_mod_mailbox($mbox_row, 'out'); |
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| 399 | if (strlen($name)) |
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| 400 | $a_out[] = $name; |
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| 401 | } |
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| 402 | |
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| 403 | // INBOX should always be available |
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| 404 | if (!in_array_nocase('INBOX', $a_out)) |
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| 405 | array_unshift($a_out, 'INBOX'); |
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| 406 | |
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| 407 | // sort mailboxes |
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| 408 | $a_out = $this->_sort_mailbox_list($a_out); |
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| 409 | |
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| 410 | return $a_out; |
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| 411 | } |
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| 412 | |
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| 413 | |
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| 414 | /** |
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| 415 | * Private method for mailbox listing |
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| 416 | * |
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| 417 | * @return array List of mailboxes/folders |
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| 418 | * @see rcube_imap::list_mailboxes() |
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| 419 | * @access private |
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| 420 | */ |
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| 421 | function _list_mailboxes($root='', $filter='*') |
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| 422 | { |
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| 423 | $a_defaults = $a_out = array(); |
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| 424 | |
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| 425 | // get cached folder list |
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| 426 | $a_mboxes = $this->get_cache('mailboxes'); |
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| 427 | if (is_array($a_mboxes)) |
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| 428 | return $a_mboxes; |
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| 429 | |
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| 430 | // Give plugins a chance to provide a list of mailboxes |
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| 431 | $data = rcmail::get_instance()->plugins->exec_hook('list_mailboxes',array('root'=>$root,'filter'=>$filter)); |
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| 432 | if (isset($data['folders'])) { |
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| 433 | $a_folders = $data['folders']; |
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| 434 | } |
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| 435 | else{ |
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| 436 | // retrieve list of folders from IMAP server |
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| 437 | $a_folders = iil_C_ListSubscribed($this->conn, $this->_mod_mailbox($root), $filter); |
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| 438 | } |
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| 439 | |
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| 440 | |
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| 441 | if (!is_array($a_folders) || !sizeof($a_folders)) |
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| 442 | $a_folders = array(); |
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| 443 | |
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| 444 | // write mailboxlist to cache |
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| 445 | $this->update_cache('mailboxes', $a_folders); |
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| 446 | |
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| 447 | return $a_folders; |
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| 448 | } |
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| 449 | |
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| 450 | |
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| 451 | /** |
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| 452 | * Get message count for a specific mailbox |
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| 453 | * |
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| 454 | * @param string Mailbox/folder name |
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| 455 | * @param string Mode for count [ALL|UNSEEN|RECENT] |
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| 456 | * @param boolean Force reading from server and update cache |
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| 457 | * @return int Number of messages |
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| 458 | * @access public |
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| 459 | */ |
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| 460 | function messagecount($mbox_name='', $mode='ALL', $force=FALSE) |
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| 461 | { |
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| 462 | $mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox; |
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| 463 | return $this->_messagecount($mailbox, $mode, $force); |
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| 464 | } |
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| 465 | |
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| 466 | |
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| 467 | /** |
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| 468 | * Private method for getting nr of messages |
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| 469 | * |
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| 470 | * @access private |
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| 471 | * @see rcube_imap::messagecount() |
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| 472 | */ |
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| 473 | function _messagecount($mailbox='', $mode='ALL', $force=FALSE) |
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| 474 | { |
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| 475 | $a_mailbox_cache = FALSE; |
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| 476 | $mode = strtoupper($mode); |
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| 477 | |
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| 478 | if (empty($mailbox)) |
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| 479 | $mailbox = $this->mailbox; |
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| 480 | |
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| 481 | // count search set |
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| 482 | if ($this->search_string && $mailbox == $this->mailbox && $mode == 'ALL' && !$force) |
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| 483 | return count((array)$this->search_set); |
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| 484 | |
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| 485 | $a_mailbox_cache = $this->get_cache('messagecount'); |
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| 486 | |
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| 487 | // return cached value |
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| 488 | if (!$force && is_array($a_mailbox_cache[$mailbox]) && isset($a_mailbox_cache[$mailbox][$mode])) |
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| 489 | return $a_mailbox_cache[$mailbox][$mode]; |
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| 490 | |
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| 491 | // RECENT count is fetched a bit different |
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| 492 | if ($mode == 'RECENT') |
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| 493 | $count = iil_C_CheckForRecent($this->conn, $mailbox); |
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| 494 | |
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| 495 | // use SEARCH for message counting |
|---|
| 496 | else if ($this->skip_deleted) |
|---|
| 497 | { |
|---|
| 498 | $search_str = "ALL UNDELETED"; |
|---|
| 499 | |
|---|
| 500 | // get message count and store in cache |
|---|
| 501 | if ($mode == 'UNSEEN') |
|---|
| 502 | $search_str .= " UNSEEN"; |
|---|
| 503 | |
|---|
| 504 | // get message count using SEARCH |
|---|
| 505 | // not very performant but more precise (using UNDELETED) |
|---|
| 506 | $count = 0; |
|---|
| 507 | $index = $this->_search_index($mailbox, $search_str); |
|---|
| 508 | if (is_array($index)) |
|---|
| 509 | { |
|---|
| 510 | $str = implode(",", $index); |
|---|
| 511 | if (!empty($str)) |
|---|
| 512 | $count = count($index); |
|---|
| 513 | } |
|---|
| 514 | } |
|---|
| 515 | else |
|---|
| 516 | { |
|---|
| 517 | if ($mode == 'UNSEEN') |
|---|
| 518 | $count = iil_C_CountUnseen($this->conn, $mailbox); |
|---|
| 519 | else |
|---|
| 520 | $count = iil_C_CountMessages($this->conn, $mailbox); |
|---|
| 521 | } |
|---|
| 522 | |
|---|
| 523 | if (!is_array($a_mailbox_cache[$mailbox])) |
|---|
| 524 | $a_mailbox_cache[$mailbox] = array(); |
|---|
| 525 | |
|---|
| 526 | $a_mailbox_cache[$mailbox][$mode] = (int)$count; |
|---|
| 527 | |
|---|
| 528 | // write back to cache |
|---|
| 529 | $this->update_cache('messagecount', $a_mailbox_cache); |
|---|
| 530 | |
|---|
| 531 | return (int)$count; |
|---|
| 532 | } |
|---|
| 533 | |
|---|
| 534 | |
|---|
| 535 | /** |
|---|
| 536 | * Public method for listing headers |
|---|
| 537 | * convert mailbox name with root dir first |
|---|
| 538 | * |
|---|
| 539 | * @param string Mailbox/folder name |
|---|
| 540 | * @param int Current page to list |
|---|
| 541 | * @param string Header field to sort by |
|---|
| 542 | * @param string Sort order [ASC|DESC] |
|---|
| 543 | * @return array Indexed array with message header objects |
|---|
| 544 | * @access public |
|---|
| 545 | */ |
|---|
| 546 | function list_headers($mbox_name='', $page=NULL, $sort_field=NULL, $sort_order=NULL) |
|---|
| 547 | { |
|---|
| 548 | $mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox; |
|---|
| 549 | return $this->_list_headers($mailbox, $page, $sort_field, $sort_order); |
|---|
| 550 | } |
|---|
| 551 | |
|---|
| 552 | |
|---|
| 553 | /** |
|---|
| 554 | * Private method for listing message headers |
|---|
| 555 | * |
|---|
| 556 | * @access private |
|---|
| 557 | * @see rcube_imap::list_headers |
|---|
| 558 | */ |
|---|
| 559 | function _list_headers($mailbox='', $page=NULL, $sort_field=NULL, $sort_order=NULL, $recursive=FALSE) |
|---|
| 560 | { |
|---|
| 561 | if (!strlen($mailbox)) |
|---|
| 562 | return array(); |
|---|
| 563 | |
|---|
| 564 | // use saved message set |
|---|
| 565 | if ($this->search_string && $mailbox == $this->mailbox) |
|---|
| 566 | return $this->_list_header_set($mailbox, $page, $sort_field, $sort_order); |
|---|
| 567 | |
|---|
| 568 | $this->_set_sort_order($sort_field, $sort_order); |
|---|
| 569 | |
|---|
| 570 | $max = $this->_messagecount($mailbox); |
|---|
| 571 | $start_msg = ($this->list_page-1) * $this->page_size; |
|---|
| 572 | |
|---|
| 573 | list($begin, $end) = $this->_get_message_range($max, $page); |
|---|
| 574 | |
|---|
| 575 | // mailbox is empty |
|---|
| 576 | if ($begin >= $end) |
|---|
| 577 | return array(); |
|---|
| 578 | |
|---|
| 579 | $headers_sorted = FALSE; |
|---|
| 580 | $cache_key = $mailbox.'.msg'; |
|---|
| 581 | $cache_status = $this->check_cache_status($mailbox, $cache_key); |
|---|
| 582 | |
|---|
| 583 | // cache is OK, we can get all messages from local cache |
|---|
| 584 | if ($cache_status>0) |
|---|
| 585 | { |
|---|
| 586 | $a_msg_headers = $this->get_message_cache($cache_key, $start_msg, $start_msg+$this->page_size, $this->sort_field, $this->sort_order); |
|---|
| 587 | $headers_sorted = TRUE; |
|---|
| 588 | } |
|---|
| 589 | // cache is dirty, sync it |
|---|
| 590 | else if ($this->caching_enabled && $cache_status==-1 && !$recursive) |
|---|
| 591 | { |
|---|
| 592 | $this->sync_header_index($mailbox); |
|---|
| 593 | return $this->_list_headers($mailbox, $page, $this->sort_field, $this->sort_order, TRUE); |
|---|
| 594 | } |
|---|
| 595 | else |
|---|
| 596 | { |
|---|
| 597 | // retrieve headers from IMAP |
|---|
| 598 | if ($this->get_capability('sort') && ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : ''))) |
|---|
| 599 | { |
|---|
| 600 | $mymsgidx = array_slice ($msg_index, $begin, $end-$begin); |
|---|
| 601 | $msgs = join(",", $mymsgidx); |
|---|
| 602 | } |
|---|
| 603 | else |
|---|
| 604 | { |
|---|
| 605 | $msgs = sprintf("%d:%d", $begin+1, $end); |
|---|
| 606 | $msg_index = range($begin, $end); |
|---|
| 607 | } |
|---|
| 608 | |
|---|
| 609 | |
|---|
| 610 | // fetch reuested headers from server |
|---|
| 611 | $a_msg_headers = array(); |
|---|
| 612 | $deleted_count = $this->_fetch_headers($mailbox, $msgs, $a_msg_headers, $cache_key); |
|---|
| 613 | |
|---|
| 614 | // delete cached messages with a higher index than $max+1 |
|---|
| 615 | // Changed $max to $max+1 to fix this bug : #1484295 |
|---|
| 616 | $this->clear_message_cache($cache_key, $max + 1); |
|---|
| 617 | |
|---|
| 618 | // kick child process to sync cache |
|---|
| 619 | // ... |
|---|
| 620 | } |
|---|
| 621 | |
|---|
| 622 | // return empty array if no messages found |
|---|
| 623 | if (!is_array($a_msg_headers) || empty($a_msg_headers)) { |
|---|
| 624 | return array(); |
|---|
| 625 | } |
|---|
| 626 | |
|---|
| 627 | // if not already sorted |
|---|
| 628 | if (!$headers_sorted) |
|---|
| 629 | { |
|---|
| 630 | // use this class for message sorting |
|---|
| 631 | $sorter = new rcube_header_sorter(); |
|---|
| 632 | $sorter->set_sequence_numbers($msg_index); |
|---|
| 633 | $sorter->sort_headers($a_msg_headers); |
|---|
| 634 | |
|---|
| 635 | if ($this->sort_order == 'DESC') |
|---|
| 636 | $a_msg_headers = array_reverse($a_msg_headers); |
|---|
| 637 | } |
|---|
| 638 | |
|---|
| 639 | return array_values($a_msg_headers); |
|---|
| 640 | } |
|---|
| 641 | |
|---|
| 642 | |
|---|
| 643 | /** |
|---|
| 644 | * Private method for listing a set of message headers (search results) |
|---|
| 645 | * |
|---|
| 646 | * @param string Mailbox/folder name |
|---|
| 647 | * @param int Current page to list |
|---|
| 648 | * @param string Header field to sort by |
|---|
| 649 | * @param string Sort order [ASC|DESC] |
|---|
| 650 | * @return array Indexed array with message header objects |
|---|
| 651 | * @access private |
|---|
| 652 | * @see rcube_imap::list_header_set() |
|---|
| 653 | */ |
|---|
| 654 | function _list_header_set($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL) |
|---|
| 655 | { |
|---|
| 656 | if (!strlen($mailbox) || empty($this->search_set)) |
|---|
| 657 | return array(); |
|---|
| 658 | |
|---|
| 659 | $msgs = $this->search_set; |
|---|
| 660 | $a_msg_headers = array(); |
|---|
| 661 | $start_msg = ($this->list_page-1) * $this->page_size; |
|---|
| 662 | |
|---|
| 663 | $this->_set_sort_order($sort_field, $sort_order); |
|---|
| 664 | |
|---|
| 665 | // sorted messages, so we can first slice array and then fetch only wanted headers |
|---|
| 666 | if ($this->get_capability('sort')) // SORT searching result |
|---|
| 667 | { |
|---|
| 668 | // reset search set if sorting field has been changed |
|---|
| 669 | if ($this->sort_field && $this->search_sort_field != $this->sort_field) |
|---|
| 670 | { |
|---|
| 671 | $msgs = $this->search('', $this->search_string, $this->search_charset, $this->sort_field); |
|---|
| 672 | } |
|---|
| 673 | |
|---|
| 674 | // return empty array if no messages found |
|---|
| 675 | if (empty($msgs)) |
|---|
| 676 | return array(); |
|---|
| 677 | |
|---|
| 678 | if ($sort_order == 'DESC') |
|---|
| 679 | $msgs = array_reverse($msgs); |
|---|
| 680 | |
|---|
| 681 | // get messages uids for one page |
|---|
| 682 | $msgs = array_slice(array_values($msgs), $start_msg, min(count($msgs)-$start_msg, $this->page_size)); |
|---|
| 683 | |
|---|
| 684 | // fetch headers |
|---|
| 685 | $this->_fetch_headers($mailbox, join(',',$msgs), $a_msg_headers, NULL); |
|---|
| 686 | |
|---|
| 687 | $sorter = new rcube_header_sorter(); |
|---|
| 688 | $sorter->set_sequence_numbers($msgs); |
|---|
| 689 | $sorter->sort_headers($a_msg_headers); |
|---|
| 690 | |
|---|
| 691 | return array_values($a_msg_headers); |
|---|
| 692 | } |
|---|
| 693 | else { // SEARCH searching result, need sorting |
|---|
| 694 | $cnt = count($msgs); |
|---|
| 695 | if ($cnt > 300 && $cnt > $this->page_size) { // experimantal value for best result |
|---|
| 696 | // use memory less expensive (and quick) method for big result set |
|---|
| 697 | $a_index = $this->message_index($mailbox, $this->sort_field, $this->sort_order); |
|---|
| 698 | // get messages uids for one page... |
|---|
| 699 | $msgs = array_slice(array_keys($a_index), $start_msg, min($cnt-$start_msg, $this->page_size)); |
|---|
| 700 | // ...and fetch headers |
|---|
| 701 | $this->_fetch_headers($mailbox, join(',', $msgs), $a_msg_headers, NULL); |
|---|
| 702 | |
|---|
| 703 | // return empty array if no messages found |
|---|
| 704 | if (!is_array($a_msg_headers) || empty($a_msg_headers)) |
|---|
| 705 | return array(); |
|---|
| 706 | |
|---|
| 707 | $sorter = new rcube_header_sorter(); |
|---|
| 708 | $sorter->set_sequence_numbers($msgs); |
|---|
| 709 | $sorter->sort_headers($a_msg_headers); |
|---|
| 710 | |
|---|
| 711 | return array_values($a_msg_headers); |
|---|
| 712 | } |
|---|
| 713 | else { |
|---|
| 714 | // for small result set we can fetch all messages headers |
|---|
| 715 | $this->_fetch_headers($mailbox, join(',', $msgs), $a_msg_headers, NULL); |
|---|
| 716 | |
|---|
| 717 | // return empty array if no messages found |
|---|
| 718 | if (!is_array($a_msg_headers) || empty($a_msg_headers)) |
|---|
| 719 | return array(); |
|---|
| 720 | |
|---|
| 721 | // if not already sorted |
|---|
| 722 | $a_msg_headers = iil_SortHeaders($a_msg_headers, $this->sort_field, $this->sort_order); |
|---|
| 723 | |
|---|
| 724 | // only return the requested part of the set |
|---|
| 725 | return array_slice(array_values($a_msg_headers), $start_msg, min($cnt-$start_msg, $this->page_size)); |
|---|
| 726 | } |
|---|
| 727 | } |
|---|
| 728 | } |
|---|
| 729 | |
|---|
| 730 | |
|---|
| 731 | /** |
|---|
| 732 | * Helper function to get first and last index of the requested set |
|---|
| 733 | * |
|---|
| 734 | * @param int message count |
|---|
| 735 | * @param mixed page number to show, or string 'all' |
|---|
| 736 | * @return array array with two values: first index, last index |
|---|
| 737 | * @access private |
|---|
| 738 | */ |
|---|
| 739 | function _get_message_range($max, $page) |
|---|
| 740 | { |
|---|
| 741 | $start_msg = ($this->list_page-1) * $this->page_size; |
|---|
| 742 | |
|---|
| 743 | if ($page=='all') |
|---|
| 744 | { |
|---|
| 745 | $begin = 0; |
|---|
| 746 | $end = $max; |
|---|
| 747 | } |
|---|
| 748 | else if ($this->sort_order=='DESC') |
|---|
| 749 | { |
|---|
| 750 | $begin = $max - $this->page_size - $start_msg; |
|---|
| 751 | $end = $max - $start_msg; |
|---|
| 752 | } |
|---|
| 753 | else |
|---|
| 754 | { |
|---|
| 755 | $begin = $start_msg; |
|---|
| 756 | $end = $start_msg + $this->page_size; |
|---|
| 757 | } |
|---|
| 758 | |
|---|
| 759 | if ($begin < 0) $begin = 0; |
|---|
| 760 | if ($end < 0) $end = $max; |
|---|
| 761 | if ($end > $max) $end = $max; |
|---|
| 762 | |
|---|
| 763 | return array($begin, $end); |
|---|
| 764 | } |
|---|
| 765 | |
|---|
| 766 | |
|---|
| 767 | |
|---|
| 768 | /** |
|---|
| 769 | * Fetches message headers |
|---|
| 770 | * Used for loop |
|---|
| 771 | * |
|---|
| 772 | * @param string Mailbox name |
|---|
| 773 | * @param string Message index to fetch |
|---|
| 774 | * @param array Reference to message headers array |
|---|
| 775 | * @param array Array with cache index |
|---|
| 776 | * @return int Number of deleted messages |
|---|
| 777 | * @access private |
|---|
| 778 | */ |
|---|
| 779 | function _fetch_headers($mailbox, $msgs, &$a_msg_headers, $cache_key) |
|---|
| 780 | { |
|---|
| 781 | // cache is incomplete |
|---|
| 782 | $cache_index = $this->get_message_cache_index($cache_key); |
|---|
| 783 | |
|---|
| 784 | // fetch reuested headers from server |
|---|
| 785 | $a_header_index = iil_C_FetchHeaders($this->conn, $mailbox, $msgs, false, $this->fetch_add_headers); |
|---|
| 786 | $deleted_count = 0; |
|---|
| 787 | |
|---|
| 788 | if (!empty($a_header_index)) |
|---|
| 789 | { |
|---|
| 790 | foreach ($a_header_index as $i => $headers) |
|---|
| 791 | { |
|---|
| 792 | if ($headers->deleted && $this->skip_deleted) |
|---|
| 793 | { |
|---|
| 794 | // delete from cache |
|---|
| 795 | if ($cache_index[$headers->id] && $cache_index[$headers->id] == $headers->uid) |
|---|
| 796 | $this->remove_message_cache($cache_key, $headers->id); |
|---|
| 797 | |
|---|
| 798 | $deleted_count++; |
|---|
| 799 | continue; |
|---|
| 800 | } |
|---|
| 801 | |
|---|
| 802 | // add message to cache |
|---|
| 803 | if ($this->caching_enabled && $cache_index[$headers->id] != $headers->uid) |
|---|
| 804 | $this->add_message_cache($cache_key, $headers->id, $headers); |
|---|
| 805 | |
|---|
| 806 | $a_msg_headers[$headers->uid] = $headers; |
|---|
| 807 | } |
|---|
| 808 | } |
|---|
| 809 | |
|---|
| 810 | return $deleted_count; |
|---|
| 811 | } |
|---|
| 812 | |
|---|
| 813 | |
|---|
| 814 | /** |
|---|
| 815 | * Return sorted array of message IDs (not UIDs) |
|---|
| 816 | * |
|---|
| 817 | * @param string Mailbox to get index from |
|---|
| 818 | * @param string Sort column |
|---|
| 819 | * @param string Sort order [ASC, DESC] |
|---|
| 820 | * @return array Indexed array with message ids |
|---|
| 821 | */ |
|---|
| 822 | function message_index($mbox_name='', $sort_field=NULL, $sort_order=NULL) |
|---|
| 823 | { |
|---|
| 824 | $this->_set_sort_order($sort_field, $sort_order); |
|---|
| 825 | |
|---|
| 826 | $mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox; |
|---|
| 827 | $key = "{$mailbox}:{$this->sort_field}:{$this->sort_order}:{$this->search_string}.msgi"; |
|---|
| 828 | |
|---|
| 829 | // we have a saved search result. get index from there |
|---|
| 830 | if (!isset($this->cache[$key]) && $this->search_string && $mailbox == $this->mailbox) |
|---|
| 831 | { |
|---|
| 832 | $this->cache[$key] = array(); |
|---|
| 833 | |
|---|
| 834 | if ($this->get_capability('sort')) |
|---|
| 835 | { |
|---|
| 836 | if ($this->sort_field && $this->search_sort_field != $this->sort_field) |
|---|
| 837 | $this->search('', $this->search_string, $this->search_charset, $this->sort_field); |
|---|
| 838 | |
|---|
| 839 | if ($this->sort_order == 'DESC') |
|---|
| 840 | $this->cache[$key] = array_reverse($this->search_set); |
|---|
| 841 | else |
|---|
| 842 | $this->cache[$key] = $this->search_set; |
|---|
| 843 | } |
|---|
| 844 | else |
|---|
| 845 | { |
|---|
| 846 | $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, join(',', $this->search_set), $this->sort_field, false); |
|---|
| 847 | |
|---|
| 848 | if ($this->sort_order=="ASC") |
|---|
| 849 | asort($a_index); |
|---|
| 850 | else if ($this->sort_order=="DESC") |
|---|
| 851 | arsort($a_index); |
|---|
| 852 | |
|---|
| 853 | $this->cache[$key] = array_keys($a_index); |
|---|
| 854 | } |
|---|
| 855 | } |
|---|
| 856 | |
|---|
| 857 | // have stored it in RAM |
|---|
| 858 | if (isset($this->cache[$key])) |
|---|
| 859 | return $this->cache[$key]; |
|---|
| 860 | |
|---|
| 861 | // check local cache |
|---|
| 862 | $cache_key = $mailbox.'.msg'; |
|---|
| 863 | $cache_status = $this->check_cache_status($mailbox, $cache_key); |
|---|
| 864 | |
|---|
| 865 | // cache is OK |
|---|
| 866 | if ($cache_status>0) |
|---|
| 867 | { |
|---|
| 868 | $a_index = $this->get_message_cache_index($cache_key, TRUE, $this->sort_field, $this->sort_order); |
|---|
| 869 | return array_keys($a_index); |
|---|
| 870 | } |
|---|
| 871 | |
|---|
| 872 | // fetch complete message index |
|---|
| 873 | $msg_count = $this->_messagecount($mailbox); |
|---|
| 874 | if ($this->get_capability('sort') && ($a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, ''))) |
|---|
| 875 | { |
|---|
| 876 | if ($this->sort_order == 'DESC') |
|---|
| 877 | $a_index = array_reverse($a_index); |
|---|
| 878 | |
|---|
| 879 | $this->cache[$key] = $a_index; |
|---|
| 880 | } |
|---|
| 881 | else |
|---|
| 882 | { |
|---|
| 883 | $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:$msg_count", $this->sort_field); |
|---|
| 884 | |
|---|
| 885 | if ($this->sort_order=="ASC") |
|---|
| 886 | asort($a_index); |
|---|
| 887 | else if ($this->sort_order=="DESC") |
|---|
| 888 | arsort($a_index); |
|---|
| 889 | |
|---|
| 890 | $this->cache[$key] = array_keys($a_index); |
|---|
| 891 | } |
|---|
| 892 | |
|---|
| 893 | return $this->cache[$key]; |
|---|
| 894 | } |
|---|
| 895 | |
|---|
| 896 | |
|---|
| 897 | /** |
|---|
| 898 | * @access private |
|---|
| 899 | */ |
|---|
| 900 | function sync_header_index($mailbox) |
|---|
| 901 | { |
|---|
| 902 | $cache_key = $mailbox.'.msg'; |
|---|
| 903 | $cache_index = $this->get_message_cache_index($cache_key); |
|---|
| 904 | $msg_count = $this->_messagecount($mailbox); |
|---|
| 905 | |
|---|
| 906 | // fetch complete message index |
|---|
| 907 | $a_message_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:$msg_count", 'UID'); |
|---|
| 908 | |
|---|
| 909 | foreach ($a_message_index as $id => $uid) |
|---|
| 910 | { |
|---|
| 911 | // message in cache at correct position |
|---|
| 912 | if ($cache_index[$id] == $uid) |
|---|
| 913 | { |
|---|
| 914 | unset($cache_index[$id]); |
|---|
| 915 | continue; |
|---|
| 916 | } |
|---|
| 917 | |
|---|
| 918 | // message in cache but in wrong position |
|---|
| 919 | if (in_array((string)$uid, $cache_index, TRUE)) |
|---|
| 920 | { |
|---|
| 921 | unset($cache_index[$id]); |
|---|
| 922 | } |
|---|
| 923 | |
|---|
| 924 | // other message at this position |
|---|
| 925 | if (isset($cache_index[$id])) |
|---|
| 926 | { |
|---|
| 927 | $this->remove_message_cache($cache_key, $id); |
|---|
| 928 | unset($cache_index[$id]); |
|---|
| 929 | } |
|---|
| 930 | |
|---|
| 931 | |
|---|
| 932 | // fetch complete headers and add to cache |
|---|
| 933 | $headers = iil_C_FetchHeader($this->conn, $mailbox, $id, false, $this->fetch_add_headers); |
|---|
| 934 | $this->add_message_cache($cache_key, $headers->id, $headers); |
|---|
| 935 | } |
|---|
| 936 | |
|---|
| 937 | // those ids that are still in cache_index have been deleted |
|---|
| 938 | if (!empty($cache_index)) |
|---|
| 939 | { |
|---|
| 940 | foreach ($cache_index as $id => $uid) |
|---|
| 941 | $this->remove_message_cache($cache_key, $id); |
|---|
| 942 | } |
|---|
| 943 | } |
|---|
| 944 | |
|---|
| 945 | |
|---|
| 946 | /** |
|---|
| 947 | * Invoke search request to IMAP server |
|---|
| 948 | * |
|---|
| 949 | * @param string mailbox name to search in |
|---|
| 950 | * @param string search string |
|---|
| 951 | * @param string search string charset |
|---|
| 952 | * @param string header field to sort by |
|---|
| 953 | * @return array search results as list of message ids |
|---|
| 954 | * @access public |
|---|
| 955 | */ |
|---|
| 956 | function search($mbox_name='', $str=NULL, $charset=NULL, $sort_field=NULL) |
|---|
| 957 | { |
|---|
| 958 | if (!$str) |
|---|
| 959 | return false; |
|---|
| 960 | |
|---|
| 961 | $mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox; |
|---|
| 962 | |
|---|
| 963 | $results = $this->_search_index($mailbox, $str, $charset, $sort_field); |
|---|
| 964 | |
|---|
| 965 | // try search with ISO charset (should be supported by server) |
|---|
| 966 | // only if UTF-8 search is not supported |
|---|
| 967 | if (empty($results) && !is_array($results) && !empty($charset) && $charset!='ISO-8859-1') |
|---|
| 968 | { |
|---|
| 969 | // convert strings to ISO-8859-1 |
|---|
| 970 | if(preg_match_all('/\{([0-9]+)\}\r\n/', $str, $matches, PREG_OFFSET_CAPTURE)) |
|---|
| 971 | { |
|---|
| 972 | $last = 0; $res = ''; |
|---|
| 973 | foreach($matches[1] as $m) |
|---|
| 974 | { |
|---|
| 975 | $string_offset = $m[1] + strlen($m[0]) + 4; // {}\r\n |
|---|
| 976 | $string = substr($str, $string_offset - 1, $m[0]); |
|---|
| 977 | $string = rcube_charset_convert($string, $charset, 'ISO-8859-1'); |
|---|
| 978 | $res .= sprintf("%s{%d}\r\n%s", substr($str, $last, $m[1] - $last - 1), strlen($string), $string); |
|---|
| 979 | $last = $m[0] + $string_offset - 1; |
|---|
| 980 | } |
|---|
| 981 | if ($last < strlen($str)) |
|---|
| 982 | $res .= substr($str, $last, strlen($str)-$last); |
|---|
| 983 | } |
|---|
| 984 | else // strings for conversion not found |
|---|
| 985 | $res = $str; |
|---|
| 986 | |
|---|
| 987 | $results = $this->search($mbox_name, $res, 'ISO-8859-1', $sort_field); |
|---|
| 988 | } |
|---|
| 989 | |
|---|
| 990 | $this->set_search_set($str, $results, $charset, $sort_field); |
|---|
| 991 | |
|---|
| 992 | return $results; |
|---|
| 993 | } |
|---|
| 994 | |
|---|
| 995 | |
|---|
| 996 | /** |
|---|
| 997 | * Private search method |
|---|
| 998 | * |
|---|
| 999 | * @return array search results as list of message ids |
|---|
| 1000 | * @access private |
|---|
| 1001 | * @see rcube_imap::search() |
|---|
| 1002 | */ |
|---|
| 1003 | function _search_index($mailbox, $criteria='ALL', $charset=NULL, $sort_field=NULL) |
|---|
| 1004 | { |
|---|
| 1005 | if ($sort_field && $this->get_capability('sort')) |
|---|
| 1006 | { |
|---|
| 1007 | $charset = $charset ? $charset : $this->default_charset; |
|---|
| 1008 | $a_messages = iil_C_Sort($this->conn, $mailbox, $sort_field, $criteria, FALSE, $charset); |
|---|
| 1009 | } |
|---|
| 1010 | else |
|---|
| 1011 | $a_messages = iil_C_Search($this->conn, $mailbox, ($charset ? "CHARSET $charset " : '') . $criteria); |
|---|
| 1012 | |
|---|
| 1013 | // clean message list (there might be some empty entries) |
|---|
| 1014 | if (is_array($a_messages)) |
|---|
| 1015 | { |
|---|
| 1016 | foreach ($a_messages as $i => $val) |
|---|
| 1017 | if (empty($val)) |
|---|
| 1018 | unset($a_messages[$i]); |
|---|
| 1019 | } |
|---|
| 1020 | |
|---|
| 1021 | return $a_messages; |
|---|
| 1022 | } |
|---|
| 1023 | |
|---|
| 1024 | |
|---|
| 1025 | /** |
|---|
| 1026 | * Refresh saved search set |
|---|
| 1027 | * |
|---|
| 1028 | * @return array Current search set |
|---|
| 1029 | */ |
|---|
| 1030 | function refresh_search() |
|---|
| 1031 | { |
|---|
| 1032 | if (!empty($this->search_string)) |
|---|
| 1033 | $this->search_set = $this->search('', $this->search_string, $this->search_charset, $this->search_sort_field); |
|---|
| 1034 | |
|---|
| 1035 | return $this->get_search_set(); |
|---|
| 1036 | } |
|---|
| 1037 | |
|---|
| 1038 | |
|---|
| 1039 | /** |
|---|
| 1040 | * Check if the given message ID is part of the current search set |
|---|
| 1041 | * |
|---|
| 1042 | * @return boolean True on match or if no search request is stored |
|---|
| 1043 | */ |
|---|
| 1044 | function in_searchset($msgid) |
|---|
| 1045 | { |
|---|
| 1046 | if (!empty($this->search_string)) |
|---|
| 1047 | return in_array("$msgid", (array)$this->search_set, true); |
|---|
| 1048 | else |
|---|
| 1049 | return true; |
|---|
| 1050 | } |
|---|
| 1051 | |
|---|
| 1052 | |
|---|
| 1053 | /** |
|---|
| 1054 | * Return message headers object of a specific message |
|---|
| 1055 | * |
|---|
| 1056 | * @param int Message ID |
|---|
| 1057 | * @param string Mailbox to read from |
|---|
| 1058 | * @param boolean True if $id is the message UID |
|---|
| 1059 | * @return object Message headers representation |
|---|
| 1060 | */ |
|---|
| 1061 | function get_headers($id, $mbox_name=NULL, $is_uid=TRUE) |
|---|
| 1062 | { |
|---|
| 1063 | $mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox; |
|---|
| 1064 | $uid = $is_uid ? $id : $this->_id2uid($id); |
|---|
| 1065 | |
|---|
| 1066 | // get cached headers |
|---|
| 1067 | if ($uid && ($headers = &$this->get_cached_message($mailbox.'.msg', $uid))) |
|---|
| 1068 | return $headers; |
|---|
| 1069 | |
|---|
| 1070 | $headers = iil_C_FetchHeader($this->conn, $mailbox, $id, $is_uid, $this->fetch_add_headers); |
|---|
| 1071 | |
|---|
| 1072 | // write headers cache |
|---|
| 1073 | if ($headers) |
|---|
| 1074 | { |
|---|
| 1075 | if ($headers->uid && $headers->id) |
|---|
| 1076 | $this->uid_id_map[$mailbox][$headers->uid] = $headers->id; |
|---|
| 1077 | |
|---|
| 1078 | $this->add_message_cache($mailbox.'.msg', $headers->id, $headers); |
|---|
| 1079 | } |
|---|
| 1080 | |
|---|
| 1081 | return $headers; |
|---|
| 1082 | } |
|---|
| 1083 | |
|---|
| 1084 | |
|---|
| 1085 | /** |
|---|
| 1086 | * Fetch body structure from the IMAP server and build |
|---|
| 1087 | * an object structure similar to the one generated by PEAR::Mail_mimeDecode |
|---|
| 1088 | * |
|---|
| 1089 | * @param int Message UID to fetch |
|---|
| 1090 | * @return object rcube_message_part Message part tree or False on failure |
|---|
| 1091 | */ |
|---|
| 1092 | function &get_structure($uid) |
|---|
| 1093 | { |
|---|
| 1094 | $cache_key = $this->mailbox.'.msg'; |
|---|
| 1095 | $headers = &$this->get_cached_message($cache_key, $uid, true); |
|---|
| 1096 | |
|---|
| 1097 | // return cached message structure |
|---|
| 1098 | if (is_object($headers) && is_object($headers->structure)) { |
|---|
| 1099 | return $headers->structure; |
|---|
| 1100 | } |
|---|
| 1101 | |
|---|
| 1102 | // resolve message sequence number |
|---|
| 1103 | if (!($msg_id = $this->_uid2id($uid))) { |
|---|
| 1104 | return FALSE; |
|---|
| 1105 | } |
|---|
| 1106 | |
|---|
| 1107 | $structure_str = iil_C_FetchStructureString($this->conn, $this->mailbox, $msg_id); |
|---|
| 1108 | $structure = iml_GetRawStructureArray($structure_str); |
|---|
| 1109 | $struct = false; |
|---|
| 1110 | |
|---|
| 1111 | // parse structure and add headers |
|---|
| 1112 | if (!empty($structure)) |
|---|
| 1113 | { |
|---|
| 1114 | $this->_msg_id = $msg_id; |
|---|
| 1115 | $headers = $this->get_headers($uid); |
|---|
| 1116 | |
|---|
| 1117 | $struct = &$this->_structure_part($structure); |
|---|
| 1118 | $struct->headers = get_object_vars($headers); |
|---|
| 1119 | |
|---|
| 1120 | // don't trust given content-type |
|---|
| 1121 | if (empty($struct->parts) && !empty($struct->headers['ctype'])) |
|---|
| 1122 | { |
|---|
| 1123 | $struct->mime_id = '1'; |
|---|
| 1124 | $struct->mimetype = strtolower($struct->headers['ctype']); |
|---|
| 1125 | list($struct->ctype_primary, $struct->ctype_secondary) = explode('/', $struct->mimetype); |
|---|
| 1126 | } |
|---|
| 1127 | |
|---|
| 1128 | // write structure to cache |
|---|
| 1129 | if ($this->caching_enabled) |
|---|
| 1130 | $this->add_message_cache($cache_key, $msg_id, $headers, $struct); |
|---|
| 1131 | } |
|---|
| 1132 | |
|---|
| 1133 | return $struct; |
|---|
| 1134 | } |
|---|
| 1135 | |
|---|
| 1136 | |
|---|
| 1137 | /** |
|---|
| 1138 | * Build message part object |
|---|
| 1139 | * |
|---|
| 1140 | * @access private |
|---|
| 1141 | */ |
|---|
| 1142 | function &_structure_part($part, $count=0, $parent='') |
|---|
| 1143 | { |
|---|
| 1144 | $struct = new rcube_message_part; |
|---|
| 1145 | $struct->mime_id = empty($parent) ? (string)$count : "$parent.$count"; |
|---|
| 1146 | |
|---|
| 1147 | // multipart |
|---|
| 1148 | if (is_array($part[0])) |
|---|
| 1149 | { |
|---|
| 1150 | $struct->ctype_primary = 'multipart'; |
|---|
| 1151 | |
|---|
| 1152 | // find first non-array entry |
|---|
| 1153 | for ($i=1; $i<count($part); $i++) |
|---|
| 1154 | if (!is_array($part[$i])) |
|---|
| 1155 | { |
|---|
| 1156 | $struct->ctype_secondary = strtolower($part[$i]); |
|---|
| 1157 | break; |
|---|
| 1158 | } |
|---|
| 1159 | |
|---|
| 1160 | $struct->mimetype = 'multipart/'.$struct->ctype_secondary; |
|---|
| 1161 | |
|---|
| 1162 | $struct->parts = array(); |
|---|
| 1163 | for ($i=0, $count=0; $i<count($part); $i++) |
|---|
| 1164 | if (is_array($part[$i]) && count($part[$i]) > 3) |
|---|
| 1165 | $struct->parts[] = $this->_structure_part($part[$i], ++$count, $struct->mime_id); |
|---|
| 1166 | |
|---|
| 1167 | return $struct; |
|---|
| 1168 | } |
|---|
| 1169 | |
|---|
| 1170 | |
|---|
| 1171 | // regular part |
|---|
| 1172 | $struct->ctype_primary = strtolower($part[0]); |
|---|
| 1173 | $struct->ctype_secondary = strtolower($part[1]); |
|---|
| 1174 | $struct->mimetype = $struct->ctype_primary.'/'.$struct->ctype_secondary; |
|---|
| 1175 | |
|---|
| 1176 | // read content type parameters |
|---|
| 1177 | if (is_array($part[2])) |
|---|
| 1178 | { |
|---|
| 1179 | $struct->ctype_parameters = array(); |
|---|
| 1180 | for ($i=0; $i<count($part[2]); $i+=2) |
|---|
| 1181 | $struct->ctype_parameters[strtolower($part[2][$i])] = $part[2][$i+1]; |
|---|
| 1182 | |
|---|
| 1183 | if (isset($struct->ctype_parameters['charset'])) |
|---|
| 1184 | $struct->charset = $struct->ctype_parameters['charset']; |
|---|
| 1185 | } |
|---|
| 1186 | |
|---|
| 1187 | // read content encoding |
|---|
| 1188 | if (!empty($part[5]) && $part[5]!='NIL') |
|---|
| 1189 | { |
|---|
| 1190 | $struct->encoding = strtolower($part[5]); |
|---|
| 1191 | $struct->headers['content-transfer-encoding'] = $struct->encoding; |
|---|
| 1192 | } |
|---|
| 1193 | |
|---|
| 1194 | // get part size |
|---|
| 1195 | if (!empty($part[6]) && $part[6]!='NIL') |
|---|
| 1196 | $struct->size = intval($part[6]); |
|---|
| 1197 | |
|---|
| 1198 | // read part disposition |
|---|
| 1199 | $di = count($part) - 2; |
|---|
| 1200 | if ((is_array($part[$di]) && count($part[$di]) == 2 && is_array($part[$di][1])) || |
|---|
| 1201 | (is_array($part[--$di]) && count($part[$di]) == 2)) |
|---|
| 1202 | { |
|---|
| 1203 | $struct->disposition = strtolower($part[$di][0]); |
|---|
| 1204 | |
|---|
| 1205 | if (is_array($part[$di][1])) |
|---|
| 1206 | for ($n=0; $n<count($part[$di][1]); $n+=2) |
|---|
| 1207 | $struct->d_parameters[strtolower($part[$di][1][$n])] = $part[$di][1][$n+1]; |
|---|
| 1208 | } |
|---|
| 1209 | |
|---|
| 1210 | // get child parts |
|---|
| 1211 | if (is_array($part[8]) && $di != 8) |
|---|
| 1212 | { |
|---|
| 1213 | $struct->parts = array(); |
|---|
| 1214 | for ($i=0, $count=0; $i<count($part[8]); $i++) |
|---|
| 1215 | if (is_array($part[8][$i]) && count($part[8][$i]) > 5) |
|---|
| 1216 | $struct->parts[] = $this->_structure_part($part[8][$i], ++$count, $struct->mime_id); |
|---|
| 1217 | } |
|---|
| 1218 | |
|---|
| 1219 | // get part ID |
|---|
| 1220 | if (!empty($part[3]) && $part[3]!='NIL') |
|---|
| 1221 | { |
|---|
| 1222 | $struct->content_id = $part[3]; |
|---|
| 1223 | $struct->headers['content-id'] = $part[3]; |
|---|
| 1224 | |
|---|
| 1225 | if (empty($struct->disposition)) |
|---|
| 1226 | $struct->disposition = 'inline'; |
|---|
| 1227 | } |
|---|
| 1228 | |
|---|
| 1229 | // fetch message headers if message/rfc822 or named part (could contain Content-Location header) |
|---|
| 1230 | if ($struct->ctype_primary == 'message' || ($struct->ctype_parameters['name'] && !$struct->content_id)) { |
|---|
| 1231 | $part_headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, $struct->mime_id); |
|---|
| 1232 | $struct->headers = $this->_parse_headers($part_headers) + $struct->headers; |
|---|
| 1233 | } |
|---|
| 1234 | |
|---|
| 1235 | if ($struct->ctype_primary=='message') { |
|---|
| 1236 | if (is_array($part[8]) && empty($struct->parts)) |
|---|
| 1237 | $struct->parts[] = $this->_structure_part($part[8], ++$count, $struct->mime_id); |
|---|
| 1238 | } |
|---|
| 1239 | |
|---|
| 1240 | // normalize filename property |
|---|
| 1241 | $this->_set_part_filename($struct); |
|---|
| 1242 | |
|---|
| 1243 | return $struct; |
|---|
| 1244 | } |
|---|
| 1245 | |
|---|
| 1246 | |
|---|
| 1247 | /** |
|---|
| 1248 | * Set attachment filename from message part structure |
|---|
| 1249 | * |
|---|
| 1250 | * @access private |
|---|
| 1251 | * @param object rcube_message_part Part object |
|---|
| 1252 | */ |
|---|
| 1253 | function _set_part_filename(&$part) |
|---|
| 1254 | { |
|---|
| 1255 | if (!empty($part->d_parameters['filename'])) |
|---|
| 1256 | $filename_mime = $part->d_parameters['filename']; |
|---|
| 1257 | else if (!empty($part->d_parameters['filename*'])) |
|---|
| 1258 | $filename_encoded = $part->d_parameters['filename*']; |
|---|
| 1259 | else if (!empty($part->ctype_parameters['name*'])) |
|---|
| 1260 | $filename_encoded = $part->ctype_parameters['name*']; |
|---|
| 1261 | // RFC2231 value continuations |
|---|
| 1262 | // TODO: this should be rewrited to support RFC2231 4.1 combinations |
|---|
| 1263 | else if (!empty($part->d_parameters['filename*0'])) { |
|---|
| 1264 | $i = 0; |
|---|
| 1265 | while (isset($part->d_parameters['filename*'.$i])) { |
|---|
| 1266 | $filename_mime .= $part->d_parameters['filename*'.$i]; |
|---|
| 1267 | $i++; |
|---|
| 1268 | } |
|---|
| 1269 | // some servers (eg. dovecot-1.x) have no support for parameter value continuations |
|---|
| 1270 | // we must fetch and parse headers "manually" |
|---|
| 1271 | //TODO: fetching headers for a second time is not effecient, this code should be moved somewhere earlier --tensor |
|---|
| 1272 | if ($i<2) { |
|---|
| 1273 | // TODO: fetch only Content-Type/Content-Disposition header |
|---|
| 1274 | $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, $part->mime_id); |
|---|
| 1275 | $filename_mime = ''; |
|---|
| 1276 | $i = 0; |
|---|
| 1277 | while (preg_match('/filename\*'.$i.'\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { |
|---|
| 1278 | $filename_mime .= $matches[1]; |
|---|
| 1279 | $i++; |
|---|
| 1280 | } |
|---|
| 1281 | } |
|---|
| 1282 | } |
|---|
| 1283 | else if (!empty($part->d_parameters['filename*0*'])) { |
|---|
| 1284 | $i = 0; |
|---|
| 1285 | while (isset($part->d_parameters['filename*'.$i.'*'])) { |
|---|
| 1286 | $filename_encoded .= $part->d_parameters['filename*'.$i.'*']; |
|---|
| 1287 | $i++; |
|---|
| 1288 | } |
|---|
| 1289 | if ($i<2) { |
|---|
| 1290 | $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, $part->mime_id); |
|---|
| 1291 | $filename_encoded = ''; |
|---|
| 1292 | $i = 0; $matches = array(); |
|---|
| 1293 | while (preg_match('/filename\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { |
|---|
| 1294 | $filename_encoded .= $matches[1]; |
|---|
| 1295 | $i++; |
|---|
| 1296 | } |
|---|
| 1297 | } |
|---|
| 1298 | } |
|---|
| 1299 | else if (!empty($part->ctype_parameters['name*0'])) { |
|---|
| 1300 | $i = 0; |
|---|
| 1301 | while (isset($part->ctype_parameters['name*'.$i])) { |
|---|
| 1302 | $filename_mime .= $part->ctype_parameters['name*'.$i]; |
|---|
| 1303 | $i++; |
|---|
| 1304 | } |
|---|
| 1305 | if ($i<2) { |
|---|
| 1306 | $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, $part->mime_id); |
|---|
| 1307 | $filename_mime = ''; |
|---|
| 1308 | $i = 0; $matches = array(); |
|---|
| 1309 | while (preg_match('/\s+name\*'.$i.'\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { |
|---|
| 1310 | $filename_mime .= $matches[1]; |
|---|
| 1311 | $i++; |
|---|
| 1312 | } |
|---|
| 1313 | } |
|---|
| 1314 | } |
|---|
| 1315 | else if (!empty($part->ctype_parameters['name*0*'])) { |
|---|
| 1316 | $i = 0; |
|---|
| 1317 | while (isset($part->ctype_parameters['name*'.$i.'*'])) { |
|---|
| 1318 | $filename_encoded .= $part->ctype_parameters['name*'.$i.'*']; |
|---|
| 1319 | $i++; |
|---|
| 1320 | } |
|---|
| 1321 | if ($i<2) { |
|---|
| 1322 | $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, $part->mime_id); |
|---|
| 1323 | $filename_encoded = ''; |
|---|
| 1324 | $i = 0; $matches = array(); |
|---|
| 1325 | while (preg_match('/\s+name\*'.$i.'\*\s*=\s*"*([^"\n;]+)[";]*/', $headers, $matches)) { |
|---|
| 1326 | $filename_encoded .= $matches[1]; |
|---|
| 1327 | $i++; |
|---|
| 1328 | } |
|---|
| 1329 | } |
|---|
| 1330 | } |
|---|
| 1331 | // read 'name' after rfc2231 parameters as it may contains truncated filename (from Thunderbird) |
|---|
| 1332 | else if (!empty($part->ctype_parameters['name'])) |
|---|
| 1333 | $filename_mime = $part->ctype_parameters['name']; |
|---|
| 1334 | // Content-Disposition |
|---|
| 1335 | else if (!empty($part->headers['content-description'])) |
|---|
| 1336 | $filename_mime = $part->headers['content-description']; |
|---|
| 1337 | else |
|---|
| 1338 | return; |
|---|
| 1339 | |
|---|
| 1340 | // decode filename |
|---|
| 1341 | if (!empty($filename_mime)) { |
|---|
| 1342 | $part->filename = rcube_imap::decode_mime_string($filename_mime, |
|---|
| 1343 | $part->charset ? $part->charset : rc_detect_encoding($filename_mime, $this->default_charset)); |
|---|
| 1344 | } |
|---|
| 1345 | else if (!empty($filename_encoded)) { |
|---|
| 1346 | // decode filename according to RFC 2231, Section 4 |
|---|
| 1347 | if (preg_match("/^([^']*)'[^']*'(.*)$/", $filename_encoded, $fmatches)) { |
|---|
| 1348 | $filename_charset = $fmatches[1]; |
|---|
| 1349 | $filename_encoded = $fmatches[2]; |
|---|
| 1350 | } |
|---|
| 1351 | $part->filename = rcube_charset_convert(urldecode($filename_encoded), $filename_charset); |
|---|
| 1352 | } |
|---|
| 1353 | } |
|---|
| 1354 | |
|---|
| 1355 | |
|---|
| 1356 | /** |
|---|
| 1357 | * Fetch message body of a specific message from the server |
|---|
| 1358 | * |
|---|
| 1359 | * @param int Message UID |
|---|
| 1360 | * @param string Part number |
|---|
| 1361 | * @param object rcube_message_part Part object created by get_structure() |
|---|
| 1362 | * @param mixed True to print part, ressource to write part contents in |
|---|
| 1363 | * @param resource File pointer to save the message part |
|---|
| 1364 | * @return string Message/part body if not printed |
|---|
| 1365 | */ |
|---|
| 1366 | function &get_message_part($uid, $part=1, $o_part=NULL, $print=NULL, $fp=NULL) |
|---|
| 1367 | { |
|---|
| 1368 | if (!($msg_id = $this->_uid2id($uid))) |
|---|
| 1369 | return FALSE; |
|---|
| 1370 | |
|---|
| 1371 | // get part encoding if not provided |
|---|
| 1372 | if (!is_object($o_part)) |
|---|
| 1373 | { |
|---|
| 1374 | $structure_str = iil_C_FetchStructureString($this->conn, $this->mailbox, $msg_id); |
|---|
| 1375 | $structure = iml_GetRawStructureArray($structure_str); |
|---|
| 1376 | $part_type = iml_GetPartTypeCode($structure, $part); |
|---|
| 1377 | $o_part = new rcube_message_part; |
|---|
| 1378 | $o_part->ctype_primary = $part_type==0 ? 'text' : ($part_type==2 ? 'message' : 'other'); |
|---|
| 1379 | $o_part->encoding = strtolower(iml_GetPartEncodingString($structure, $part)); |
|---|
| 1380 | $o_part->charset = iml_GetPartCharset($structure, $part); |
|---|
| 1381 | } |
|---|
| 1382 | |
|---|
| 1383 | // TODO: Add caching for message parts |
|---|
| 1384 | |
|---|
| 1385 | if (!$part) $part = 'TEXT'; |
|---|
| 1386 | |
|---|
| 1387 | if ($print) |
|---|
| 1388 | { |
|---|
| 1389 | $mode = $o_part->encoding == 'base64' ? 3 : ($o_part->encoding == 'quoted-printable' ? 1 : 2); |
|---|
| 1390 | $body = iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, $part, $mode); |
|---|
| 1391 | |
|---|
| 1392 | // we have to decode the part manually before printing |
|---|
| 1393 | if ($mode == 1) |
|---|
| 1394 | { |
|---|
| 1395 | echo $this->mime_decode($body, $o_part->encoding); |
|---|
| 1396 | $body = true; |
|---|
| 1397 | } |
|---|
| 1398 | } |
|---|
| 1399 | else |
|---|
| 1400 | { |
|---|
| 1401 | if ($fp && $o_part->encoding == 'base64') |
|---|
| 1402 | return iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, $part, 3, $fp); |
|---|
| 1403 | else |
|---|
| 1404 | $body = iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, $part, 1); |
|---|
| 1405 | |
|---|
| 1406 | // decode part body |
|---|
| 1407 | if ($o_part->encoding) |
|---|
| 1408 | $body = $this->mime_decode($body, $o_part->encoding); |
|---|
| 1409 | |
|---|
| 1410 | // convert charset (if text or message part) |
|---|
| 1411 | if ($o_part->ctype_primary=='text' || $o_part->ctype_primary=='message') |
|---|
| 1412 | { |
|---|
| 1413 | // assume default if no charset specified |
|---|
| 1414 | if (empty($o_part->charset)) |
|---|
| 1415 | $o_part->charset = $this->default_charset; |
|---|
| 1416 | |
|---|
| 1417 | $body = rcube_charset_convert($body, $o_part->charset); |
|---|
| 1418 | } |
|---|
| 1419 | |
|---|
| 1420 | if ($fp) |
|---|
| 1421 | { |
|---|
| 1422 | fwrite($fp, $body); |
|---|
| 1423 | return true; |
|---|
| 1424 | } |
|---|
| 1425 | } |
|---|
| 1426 | |
|---|
| 1427 | return $body; |
|---|
| 1428 | } |
|---|
| 1429 | |
|---|
| 1430 | |
|---|
| 1431 | /** |
|---|
| 1432 | * Fetch message body of a specific message from the server |
|---|
| 1433 | * |
|---|
| 1434 | * @param int Message UID |
|---|
| 1435 | * @return string Message/part body |
|---|
| 1436 | * @see rcube_imap::get_message_part() |
|---|
| 1437 | */ |
|---|
| 1438 | function &get_body($uid, $part=1) |
|---|
| 1439 | { |
|---|
| 1440 | $headers = $this->get_headers($uid); |
|---|
| 1441 | return rcube_charset_convert( |
|---|
| 1442 | $this->mime_decode($this->get_message_part($uid, $part), 'quoted-printable'), |
|---|
| 1443 | $headers->charset ? $headers->charset : $this->default_charset); |
|---|
| 1444 | } |
|---|
| 1445 | |
|---|
| 1446 | |
|---|
| 1447 | /** |
|---|
| 1448 | * Returns the whole message source as string |
|---|
| 1449 | * |
|---|
| 1450 | * @param int Message UID |
|---|
| 1451 | * @return string Message source string |
|---|
| 1452 | */ |
|---|
| 1453 | function &get_raw_body($uid) |
|---|
| 1454 | { |
|---|
| 1455 | if (!($msg_id = $this->_uid2id($uid))) |
|---|
| 1456 | return FALSE; |
|---|
| 1457 | |
|---|
| 1458 | return iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id); |
|---|
| 1459 | } |
|---|
| 1460 | |
|---|
| 1461 | |
|---|
| 1462 | /** |
|---|
| 1463 | * Returns the message headers as string |
|---|
| 1464 | * |
|---|
| 1465 | * @param int Message UID |
|---|
| 1466 | * @return string Message headers string |
|---|
| 1467 | */ |
|---|
| 1468 | function &get_raw_headers($uid) |
|---|
| 1469 | { |
|---|
| 1470 | if (!($msg_id = $this->_uid2id($uid))) |
|---|
| 1471 | return FALSE; |
|---|
| 1472 | |
|---|
| 1473 | $headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $msg_id, NULL); |
|---|
| 1474 | |
|---|
| 1475 | return $headers; |
|---|
| 1476 | } |
|---|
| 1477 | |
|---|
| 1478 | |
|---|
| 1479 | /** |
|---|
| 1480 | * Sends the whole message source to stdout |
|---|
| 1481 | * |
|---|
| 1482 | * @param int Message UID |
|---|
| 1483 | */ |
|---|
| 1484 | function print_raw_body($uid) |
|---|
| 1485 | { |
|---|
| 1486 | if (!($msg_id = $this->_uid2id($uid))) |
|---|
| 1487 | return FALSE; |
|---|
| 1488 | |
|---|
| 1489 | iil_C_HandlePartBody($this->conn, $this->mailbox, $msg_id, NULL, 2); |
|---|
| 1490 | } |
|---|
| 1491 | |
|---|
| 1492 | |
|---|
| 1493 | /** |
|---|
| 1494 | * Set message flag to one or several messages |
|---|
| 1495 | * |
|---|
| 1496 | * @param mixed Message UIDs as array or as comma-separated string |
|---|
| 1497 | * @param string Flag to set: SEEN, UNDELETED, DELETED, RECENT, ANSWERED, DRAFT, MDNSENT |
|---|
| 1498 | * @return boolean True on success, False on failure |
|---|
| 1499 | */ |
|---|
| 1500 | function set_flag($uids, $flag) |
|---|
| 1501 | { |
|---|
| 1502 | $flag = strtoupper($flag); |
|---|
| 1503 | $msg_ids = array(); |
|---|
| 1504 | if (!is_array($uids)) |
|---|
| 1505 | $uids = explode(',',$uids); |
|---|
| 1506 | |
|---|
| 1507 | foreach ($uids as $uid) { |
|---|
| 1508 | $msg_ids[$uid] = $this->_uid2id($uid); |
|---|
| 1509 | } |
|---|
| 1510 | |
|---|
| 1511 | if ($flag=='UNDELETED') |
|---|
| 1512 | $result = iil_C_Undelete($this->conn, $this->mailbox, join(',', array_values($msg_ids))); |
|---|
| 1513 | else if ($flag=='UNSEEN') |
|---|
| 1514 | $result = iil_C_Unseen($this->conn, $this->mailbox, join(',', array_values($msg_ids))); |
|---|
| 1515 | else if ($flag=='UNFLAGGED') |
|---|
| 1516 | $result = iil_C_UnFlag($this->conn, $this->mailbox, join(',', array_values($msg_ids)), 'FLAGGED'); |
|---|
| 1517 | else |
|---|
| 1518 | $result = iil_C_Flag($this->conn, $this->mailbox, join(',', array_values($msg_ids)), $flag); |
|---|
| 1519 | |
|---|
| 1520 | // reload message headers if cached |
|---|
| 1521 | $cache_key = $this->mailbox.'.msg'; |
|---|
| 1522 | if ($this->caching_enabled) |
|---|
| 1523 | { |
|---|
| 1524 | foreach ($msg_ids as $uid => $id) |
|---|
| 1525 | { |
|---|
| 1526 | if ($cached_headers = $this->get_cached_message($cache_key, $uid)) |
|---|
| 1527 | { |
|---|
| 1528 | $this->remove_message_cache($cache_key, $id); |
|---|
| 1529 | //$this->get_headers($uid); |
|---|
| 1530 | } |
|---|
| 1531 | } |
|---|
| 1532 | |
|---|
| 1533 | // close and re-open connection |
|---|
| 1534 | // this prevents connection problems with Courier |
|---|
| 1535 | $this->reconnect(); |
|---|
| 1536 | } |
|---|
| 1537 | |
|---|
| 1538 | // set nr of messages that were flaged |
|---|
| 1539 | $count = count($msg_ids); |
|---|
| 1540 | |
|---|
| 1541 | // clear message count cache |
|---|
| 1542 | if ($result && $flag=='SEEN') |
|---|
| 1543 | $this->_set_messagecount($this->mailbox, 'UNSEEN', $count*(-1)); |
|---|
| 1544 | else if ($result && $flag=='UNSEEN') |
|---|
| 1545 | $this->_set_messagecount($this->mailbox, 'UNSEEN', $count); |
|---|
| 1546 | else if ($result && $flag=='DELETED') |
|---|
| 1547 | $this->_set_messagecount($this->mailbox, 'ALL', $count*(-1)); |
|---|
| 1548 | |
|---|
| 1549 | return $result; |
|---|
| 1550 | } |
|---|
| 1551 | |
|---|
| 1552 | |
|---|
| 1553 | /** |
|---|
| 1554 | * Append a mail message (source) to a specific mailbox |
|---|
| 1555 | * |
|---|
| 1556 | * @param string Target mailbox |
|---|
| 1557 | * @param string Message source |
|---|
| 1558 | * @return boolean True on success, False on error |
|---|
| 1559 | */ |
|---|
| 1560 | function save_message($mbox_name, &$message) |
|---|
| 1561 | { |
|---|
| 1562 | $mbox_name = stripslashes($mbox_name); |
|---|
| 1563 | $mailbox = $this->_mod_mailbox($mbox_name); |
|---|
| 1564 | |
|---|
| 1565 | // make sure mailbox exists |
|---|
| 1566 | if (($mailbox == 'INBOX') || in_array($mailbox, $this->_list_mailboxes())) |
|---|
| 1567 | $saved = iil_C_Append($this->conn, $mailbox, $message); |
|---|
| 1568 | |
|---|
| 1569 | if ($saved) |
|---|
| 1570 | { |
|---|
| 1571 | // increase messagecount of the target mailbox |
|---|
| 1572 | $this->_set_messagecount($mailbox, 'ALL', 1); |
|---|
| 1573 | } |
|---|
| 1574 | |
|---|
| 1575 | return $saved; |
|---|
| 1576 | } |
|---|
| 1577 | |
|---|
| 1578 | |
|---|
| 1579 | /** |
|---|
| 1580 | * Move a message from one mailbox to another |
|---|
| 1581 | * |
|---|
| 1582 | * @param string List of UIDs to move, separated by comma |
|---|
| 1583 | * @param string Target mailbox |
|---|
| 1584 | * @param string Source mailbox |
|---|
| 1585 | * @return boolean True on success, False on error |
|---|
| 1586 | */ |
|---|
| 1587 | function move_message($uids, $to_mbox, $from_mbox='') |
|---|
| 1588 | { |
|---|
| 1589 | $to_mbox_in = stripslashes($to_mbox); |
|---|
| 1590 | $from_mbox = stripslashes($from_mbox); |
|---|
| 1591 | $to_mbox = $this->_mod_mailbox($to_mbox_in); |
|---|
| 1592 | $from_mbox = $from_mbox ? $this->_mod_mailbox($from_mbox) : $this->mailbox; |
|---|
| 1593 | |
|---|
| 1594 | // make sure mailbox exists |
|---|
| 1595 | if (!in_array($to_mbox, $this->_list_mailboxes())) |
|---|
| 1596 | { |
|---|
| 1597 | if (in_array($to_mbox_in, $this->default_folders)) |
|---|
| 1598 | $this->create_mailbox($to_mbox_in, TRUE); |
|---|
| 1599 | else |
|---|
| 1600 | return FALSE; |
|---|
| 1601 | } |
|---|
| 1602 | |
|---|
| 1603 | // convert the list of uids to array |
|---|
| 1604 | $a_uids = is_string($uids) ? explode(',', $uids) : (is_array($uids) ? $uids : NULL); |
|---|
| 1605 | |
|---|
| 1606 | // exit if no message uids are specified |
|---|
| 1607 | if (!is_array($a_uids)) |
|---|
| 1608 | return false; |
|---|
| 1609 | |
|---|
| 1610 | // convert uids to message ids |
|---|
| 1611 | $a_mids = array(); |
|---|
| 1612 | foreach ($a_uids as $uid) |
|---|
| 1613 | $a_mids[] = $this->_uid2id($uid, $from_mbox); |
|---|
| 1614 | |
|---|
| 1615 | $iil_move = iil_C_Move($this->conn, join(',', $a_mids), $from_mbox, $to_mbox); |
|---|
| 1616 | $moved = !($iil_move === false || $iil_move < 0); |
|---|
| 1617 | |
|---|
| 1618 | // send expunge command in order to have the moved message |
|---|
| 1619 | // really deleted from the source mailbox |
|---|
| 1620 | if ($moved) { |
|---|
| 1621 | // but only when flag_for_deletion is set to false |
|---|
| 1622 | if (!rcmail::get_instance()->config->get('flag_for_deletion', false)) |
|---|
| 1623 | { |
|---|
| 1624 | $this->_expunge($from_mbox, FALSE); |
|---|
| 1625 | $this->_clear_messagecount($from_mbox); |
|---|
| 1626 | $this->_clear_messagecount($to_mbox); |
|---|
| 1627 | } |
|---|
| 1628 | } |
|---|
| 1629 | // moving failed |
|---|
| 1630 | else if (rcmail::get_instance()->config->get('delete_always', false)) { |
|---|
| 1631 | return iil_C_Delete($this->conn, $from_mbox, join(',', $a_mids)); |
|---|
| 1632 | } |
|---|
| 1633 | |
|---|
| 1634 | // remove message ids from search set |
|---|
| 1635 | if ($moved && $this->search_set && $from_mbox == $this->mailbox) |
|---|
| 1636 | $this->search_set = array_diff($this->search_set, $a_mids); |
|---|
| 1637 | |
|---|
| 1638 | // update cached message headers |
|---|
| 1639 | $cache_key = $from_mbox.'.msg'; |
|---|
| 1640 | if ($moved && ($a_cache_index = $this->get_message_cache_index($cache_key))) |
|---|
| 1641 | { |
|---|
| 1642 | $start_index = 100000; |
|---|
| 1643 | foreach ($a_uids as $uid) |
|---|
| 1644 | { |
|---|
| 1645 | if (($index = array_search($uid, $a_cache_index)) !== FALSE) |
|---|
| 1646 | $start_index = min($index, $start_index); |
|---|
| 1647 | } |
|---|
| 1648 | |
|---|
| 1649 | // clear cache from the lowest index on |
|---|
| 1650 | $this->clear_message_cache($cache_key, $start_index); |
|---|
| 1651 | } |
|---|
| 1652 | |
|---|
| 1653 | return $moved; |
|---|
| 1654 | } |
|---|
| 1655 | |
|---|
| 1656 | |
|---|
| 1657 | /** |
|---|
| 1658 | * Mark messages as deleted and expunge mailbox |
|---|
| 1659 | * |
|---|
| 1660 | * @param string List of UIDs to move, separated by comma |
|---|
| 1661 | * @param string Source mailbox |
|---|
| 1662 | * @return boolean True on success, False on error |
|---|
| 1663 | */ |
|---|
| 1664 | function delete_message($uids, $mbox_name='') |
|---|
| 1665 | { |
|---|
| 1666 | $mbox_name = stripslashes($mbox_name); |
|---|
| 1667 | $mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox; |
|---|
| 1668 | |
|---|
| 1669 | // convert the list of uids to array |
|---|
| 1670 | $a_uids = is_string($uids) ? explode(',', $uids) : (is_array($uids) ? $uids : NULL); |
|---|
| 1671 | |
|---|
| 1672 | // exit if no message uids are specified |
|---|
| 1673 | if (!is_array($a_uids)) |
|---|
| 1674 | return false; |
|---|
| 1675 | |
|---|
| 1676 | // convert uids to message ids |
|---|
| 1677 | $a_mids = array(); |
|---|
| 1678 | foreach ($a_uids as $uid) |
|---|
| 1679 | $a_mids[] = $this->_uid2id($uid, $mailbox); |
|---|
| 1680 | |
|---|
| 1681 | $deleted = iil_C_Delete($this->conn, $mailbox, join(',', $a_mids)); |
|---|
| 1682 | |
|---|
| 1683 | // send expunge command in order to have the deleted message |
|---|
| 1684 | // really deleted from the mailbox |
|---|
| 1685 | if ($deleted) |
|---|
| 1686 | { |
|---|
| 1687 | $this->_expunge($mailbox, FALSE); |
|---|
| 1688 | $this->_clear_messagecount($mailbox); |
|---|
| 1689 | unset($this->uid_id_map[$mailbox]); |
|---|
| 1690 | } |
|---|
| 1691 | |
|---|
| 1692 | // remove message ids from search set |
|---|
| 1693 | if ($deleted && $this->search_set && $mailbox == $this->mailbox) |
|---|
| 1694 | $this->search_set = array_diff($this->search_set, $a_mids); |
|---|
| 1695 | |
|---|
| 1696 | // remove deleted messages from cache |
|---|
| 1697 | $cache_key = $mailbox.'.msg'; |
|---|
| 1698 | if ($deleted && ($a_cache_index = $this->get_message_cache_index($cache_key))) |
|---|
| 1699 | { |
|---|
| 1700 | $start_index = 100000; |
|---|
| 1701 | foreach ($a_uids as $uid) |
|---|
| 1702 | { |
|---|
| 1703 | if (($index = array_search($uid, $a_cache_index)) !== FALSE) |
|---|
| 1704 | $start_index = min($index, $start_index); |
|---|
| 1705 | } |
|---|
| 1706 | |
|---|
| 1707 | // clear cache from the lowest index on |
|---|
| 1708 | $this->clear_message_cache($cache_key, $start_index); |
|---|
| 1709 | } |
|---|
| 1710 | |
|---|
| 1711 | return $deleted; |
|---|
| 1712 | } |
|---|
| 1713 | |
|---|
| 1714 | |
|---|
| 1715 | /** |
|---|
| 1716 | * Clear all messages in a specific mailbox |
|---|
| 1717 | * |
|---|
| 1718 | * @param string Mailbox name |
|---|
| 1719 | * @return int Above 0 on success |
|---|
| 1720 | */ |
|---|
| 1721 | function clear_mailbox($mbox_name=NULL) |
|---|
| 1722 | { |
|---|
| 1723 | $mbox_name = stripslashes($mbox_name); |
|---|
| 1724 | $mailbox = !empty($mbox_name) ? $this->_mod_mailbox($mbox_name) : $this->mailbox; |
|---|
| 1725 | $msg_count = $this->_messagecount($mailbox, 'ALL'); |
|---|
| 1726 | |
|---|
| 1727 | if ($msg_count>0) |
|---|
| 1728 | { |
|---|
| 1729 | $cleared = iil_C_ClearFolder($this->conn, $mailbox); |
|---|
| 1730 | |
|---|
| 1731 | // make sure the message count cache is cleared as well |
|---|
| 1732 | if ($cleared) |
|---|
| 1733 | { |
|---|
| 1734 | $this->clear_message_cache($mailbox.'.msg'); |
|---|
| 1735 | $a_mailbox_cache = $this->get_cache('messagecount'); |
|---|
| 1736 | unset($a_mailbox_cache[$mailbox]); |
|---|
| 1737 | $this->update_cache('messagecount', $a_mailbox_cache); |
|---|
| 1738 | } |
|---|
| 1739 | |
|---|
| 1740 | return $cleared; |
|---|
| 1741 | } |
|---|
| 1742 | else |
|---|
| 1743 | return 0; |
|---|
| 1744 | } |
|---|
| 1745 | |
|---|
| 1746 | |
|---|
| 1747 | /** |
|---|
| 1748 | * Send IMAP expunge command and clear cache |
|---|
| 1749 | * |
|---|
| 1750 | * @param string Mailbox name |
|---|
| 1751 | * @param boolean False if cache should not be cleared |
|---|
| 1752 | * @return boolean True on success |
|---|
| 1753 | */ |
|---|
| 1754 | function expunge($mbox_name='', $clear_cache=TRUE) |
|---|
| 1755 | { |
|---|
| 1756 | $mbox_name = stripslashes($mbox_name); |
|---|
| 1757 | $mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox; |
|---|
| 1758 | return $this->_expunge($mailbox, $clear_cache); |
|---|
| 1759 | } |
|---|
| 1760 | |
|---|
| 1761 | |
|---|
| 1762 | /** |
|---|
| 1763 | * Send IMAP expunge command and clear cache |
|---|
| 1764 | * |
|---|
| 1765 | * @see rcube_imap::expunge() |
|---|
| 1766 | * @access private |
|---|
| 1767 | */ |
|---|
| 1768 | function _expunge($mailbox, $clear_cache=TRUE) |
|---|
| 1769 | { |
|---|
| 1770 | $result = iil_C_Expunge($this->conn, $mailbox); |
|---|
| 1771 | |
|---|
| 1772 | if ($result>=0 && $clear_cache) |
|---|
| 1773 | { |
|---|
| 1774 | $this->clear_message_cache($mailbox.'.msg'); |
|---|
| 1775 | $this->_clear_messagecount($mailbox); |
|---|
| 1776 | } |
|---|
| 1777 | |
|---|
| 1778 | return $result; |
|---|
| 1779 | } |
|---|
| 1780 | |
|---|
| 1781 | |
|---|
| 1782 | /* -------------------------------- |
|---|
| 1783 | * folder managment |
|---|
| 1784 | * --------------------------------*/ |
|---|
| 1785 | |
|---|
| 1786 | |
|---|
| 1787 | /** |
|---|
| 1788 | * Get a list of all folders available on the IMAP server |
|---|
| 1789 | * |
|---|
| 1790 | * @param string IMAP root dir |
|---|
| 1791 | * @return array Indexed array with folder names |
|---|
| 1792 | */ |
|---|
| 1793 | function list_unsubscribed($root='') |
|---|
| 1794 | { |
|---|
| 1795 | static $sa_unsubscribed; |
|---|
| 1796 | |
|---|
| 1797 | if (is_array($sa_unsubscribed)) |
|---|
| 1798 | return $sa_unsubscribed; |
|---|
| 1799 | |
|---|
| 1800 | // retrieve list of folders from IMAP server |
|---|
| 1801 | $a_mboxes = iil_C_ListMailboxes($this->conn, $this->_mod_mailbox($root), '*'); |
|---|
| 1802 | |
|---|
| 1803 | // modify names with root dir |
|---|
| 1804 | foreach ($a_mboxes as $mbox_name) |
|---|
| 1805 | { |
|---|
| 1806 | $name = $this->_mod_mailbox($mbox_name, 'out'); |
|---|
| 1807 | if (strlen($name)) |
|---|
| 1808 | $a_folders[] = $name; |
|---|
| 1809 | } |
|---|
| 1810 | |
|---|
| 1811 | // filter folders and sort them |
|---|
| 1812 | $sa_unsubscribed = $this->_sort_mailbox_list($a_folders); |
|---|
| 1813 | return $sa_unsubscribed; |
|---|
| 1814 | } |
|---|
| 1815 | |
|---|
| 1816 | |
|---|
| 1817 | /** |
|---|
| 1818 | * Get mailbox quota information |
|---|
| 1819 | * added by Nuny |
|---|
| 1820 | * |
|---|
| 1821 | * @return mixed Quota info or False if not supported |
|---|
| 1822 | */ |
|---|
| 1823 | function get_quota() |
|---|
| 1824 | { |
|---|
| 1825 | if ($this->get_capability('QUOTA')) |
|---|
| 1826 | return iil_C_GetQuota($this->conn); |
|---|
| 1827 | |
|---|
| 1828 | return FALSE; |
|---|
| 1829 | } |
|---|
| 1830 | |
|---|
| 1831 | |
|---|
| 1832 | /** |
|---|
| 1833 | * Subscribe to a specific mailbox(es) |
|---|
| 1834 | * |
|---|
| 1835 | * @param array Mailbox name(s) |
|---|
| 1836 | * @return boolean True on success |
|---|
| 1837 | */ |
|---|
| 1838 | function subscribe($a_mboxes) |
|---|
| 1839 | { |
|---|
| 1840 | if (!is_array($a_mboxes)) |
|---|
| 1841 | $a_mboxes = array($a_mboxes); |
|---|
| 1842 | |
|---|
| 1843 | // let this common function do the main work |
|---|
| 1844 | return $this->_change_subscription($a_mboxes, 'subscribe'); |
|---|
| 1845 | } |
|---|
| 1846 | |
|---|
| 1847 | |
|---|
| 1848 | /** |
|---|
| 1849 | * Unsubscribe mailboxes |
|---|
| 1850 | * |
|---|
| 1851 | * @param array Mailbox name(s) |
|---|
| 1852 | * @return boolean True on success |
|---|
| 1853 | */ |
|---|
| 1854 | function unsubscribe($a_mboxes) |
|---|
| 1855 | { |
|---|
| 1856 | if (!is_array($a_mboxes)) |
|---|
| 1857 | $a_mboxes = array($a_mboxes); |
|---|
| 1858 | |
|---|
| 1859 | // let this common function do the main work |
|---|
| 1860 | return $this->_change_subscription($a_mboxes, 'unsubscribe'); |
|---|
| 1861 | } |
|---|
| 1862 | |
|---|
| 1863 | |
|---|
| 1864 | /** |
|---|
| 1865 | * Create a new mailbox on the server and register it in local cache |
|---|
| 1866 | * |
|---|
| 1867 | * @param string New mailbox name (as utf-7 string) |
|---|
| 1868 | * @param boolean True if the new mailbox should be subscribed |
|---|
| 1869 | * @param string Name of the created mailbox, false on error |
|---|
| 1870 | */ |
|---|
| 1871 | function create_mailbox($name, $subscribe=FALSE) |
|---|
| 1872 | { |
|---|
| 1873 | $result = FALSE; |
|---|
| 1874 | |
|---|
| 1875 | // replace backslashes |
|---|
| 1876 | $name = preg_replace('/[\\\]+/', '-', $name); |
|---|
| 1877 | |
|---|
| 1878 | // reduce mailbox name to 100 chars |
|---|
| 1879 | $name = substr($name, 0, 100); |
|---|
| 1880 | |
|---|
| 1881 | $abs_name = $this->_mod_mailbox($name); |
|---|
| 1882 | $a_mailbox_cache = $this->get_cache('mailboxes'); |
|---|
| 1883 | |
|---|
| 1884 | if (strlen($abs_name) && (!is_array($a_mailbox_cache) || !in_array($abs_name, $a_mailbox_cache))) |
|---|
| 1885 | $result = iil_C_CreateFolder($this->conn, $abs_name); |
|---|
| 1886 | |
|---|
| 1887 | // try to subscribe it |
|---|
| 1888 | if ($result && $subscribe) |
|---|
| 1889 | $this->subscribe($name); |
|---|
| 1890 | |
|---|
| 1891 | return $result ? $name : FALSE; |
|---|
| 1892 | } |
|---|
| 1893 | |
|---|
| 1894 | |
|---|
| 1895 | /** |
|---|
| 1896 | * Set a new name to an existing mailbox |
|---|
| 1897 | * |
|---|
| 1898 | * @param string Mailbox to rename (as utf-7 string) |
|---|
| 1899 | * @param string New mailbox name (as utf-7 string) |
|---|
| 1900 | * @return string Name of the renames mailbox, False on error |
|---|
| 1901 | */ |
|---|
| 1902 | function rename_mailbox($mbox_name, $new_name) |
|---|
| 1903 | { |
|---|
| 1904 | $result = FALSE; |
|---|
| 1905 | |
|---|
| 1906 | // replace backslashes |
|---|
| 1907 | $name = preg_replace('/[\\\]+/', '-', $new_name); |
|---|
| 1908 | |
|---|
| 1909 | // encode mailbox name and reduce it to 100 chars |
|---|
| 1910 | $name = substr($new_name, 0, 100); |
|---|
| 1911 | |
|---|
| 1912 | // make absolute path |
|---|
| 1913 | $mailbox = $this->_mod_mailbox($mbox_name); |
|---|
| 1914 | $abs_name = $this->_mod_mailbox($name); |
|---|
| 1915 | |
|---|
| 1916 | // check if mailbox is subscribed |
|---|
| 1917 | $a_subscribed = $this->_list_mailboxes(); |
|---|
| 1918 | $subscribed = in_array($mailbox, $a_subscribed); |
|---|
| 1919 | |
|---|
| 1920 | // unsubscribe folder |
|---|
| 1921 | if ($subscribed) |
|---|
| 1922 | iil_C_UnSubscribe($this->conn, $mailbox); |
|---|
| 1923 | |
|---|
| 1924 | if (strlen($abs_name)) |
|---|
| 1925 | $result = iil_C_RenameFolder($this->conn, $mailbox, $abs_name); |
|---|
| 1926 | |
|---|
| 1927 | if ($result) |
|---|
| 1928 | { |
|---|
| 1929 | $delm = $this->get_hierarchy_delimiter(); |
|---|
| 1930 | |
|---|
| 1931 | // check if mailbox children are subscribed |
|---|
| 1932 | foreach ($a_subscribed as $c_subscribed) |
|---|
| 1933 | if (preg_match('/^'.preg_quote($mailbox.$delm, '/').'/', $c_subscribed)) |
|---|
| 1934 | { |
|---|
| 1935 | iil_C_UnSubscribe($this->conn, $c_subscribed); |
|---|
| 1936 | iil_C_Subscribe($this->conn, preg_replace('/^'.preg_quote($mailbox, '/').'/', $abs_name, $c_subscribed)); |
|---|
| 1937 | } |
|---|
| 1938 | |
|---|
| 1939 | // clear cache |
|---|
| 1940 | $this->clear_message_cache($mailbox.'.msg'); |
|---|
| 1941 | $this->clear_cache('mailboxes'); |
|---|
| 1942 | } |
|---|
| 1943 | |
|---|
| 1944 | // try to subscribe it |
|---|
| 1945 | if ($result && $subscribed) |
|---|
| 1946 | iil_C_Subscribe($this->conn, $abs_name); |
|---|
| 1947 | |
|---|
| 1948 | return $result ? $name : FALSE; |
|---|
| 1949 | } |
|---|
| 1950 | |
|---|
| 1951 | |
|---|
| 1952 | /** |
|---|
| 1953 | * Remove mailboxes from server |
|---|
| 1954 | * |
|---|
| 1955 | * @param string Mailbox name |
|---|
| 1956 | * @return boolean True on success |
|---|
| 1957 | */ |
|---|
| 1958 | function delete_mailbox($mbox_name) |
|---|
| 1959 | { |
|---|
| 1960 | $deleted = FALSE; |
|---|
| 1961 | |
|---|
| 1962 | if (is_array($mbox_name)) |
|---|
| 1963 | $a_mboxes = $mbox_name; |
|---|
| 1964 | else if (is_string($mbox_name) && strlen($mbox_name)) |
|---|
| 1965 | $a_mboxes = explode(',', $mbox_name); |
|---|
| 1966 | |
|---|
| 1967 | $all_mboxes = iil_C_ListMailboxes($this->conn, $this->_mod_mailbox($root), '*'); |
|---|
| 1968 | |
|---|
| 1969 | if (is_array($a_mboxes)) |
|---|
| 1970 | foreach ($a_mboxes as $mbox_name) |
|---|
| 1971 | { |
|---|
| 1972 | $mailbox = $this->_mod_mailbox($mbox_name); |
|---|
| 1973 | |
|---|
| 1974 | // unsubscribe mailbox before deleting |
|---|
| 1975 | iil_C_UnSubscribe($this->conn, $mailbox); |
|---|
| 1976 | |
|---|
| 1977 | // send delete command to server |
|---|
| 1978 | $result = iil_C_DeleteFolder($this->conn, $mailbox); |
|---|
| 1979 | if ($result>=0) |
|---|
| 1980 | $deleted = TRUE; |
|---|
| 1981 | |
|---|
| 1982 | foreach ($all_mboxes as $c_mbox) |
|---|
| 1983 | { |
|---|
| 1984 | $regex = preg_quote($mailbox . $this->delimiter, '/'); |
|---|
| 1985 | $regex = '/^' . $regex . '/'; |
|---|
| 1986 | if (preg_match($regex, $c_mbox)) |
|---|
| 1987 | { |
|---|
| 1988 | iil_C_UnSubscribe($this->conn, $c_mbox); |
|---|
| 1989 | $result = iil_C_DeleteFolder($this->conn, $c_mbox); |
|---|
| 1990 | if ($result>=0) |
|---|
| 1991 | $deleted = TRUE; |
|---|
| 1992 | } |
|---|
| 1993 | } |
|---|
| 1994 | } |
|---|
| 1995 | |
|---|
| 1996 | // clear mailboxlist cache |
|---|
| 1997 | if ($deleted) |
|---|
| 1998 | { |
|---|
| 1999 | $this->clear_message_cache($mailbox.'.msg'); |
|---|
| 2000 | $this->clear_cache('mailboxes'); |
|---|
| 2001 | } |
|---|
| 2002 | |
|---|
| 2003 | return $deleted; |
|---|
| 2004 | } |
|---|
| 2005 | |
|---|
| 2006 | |
|---|
| 2007 | /** |
|---|
| 2008 | * Create all folders specified as default |
|---|
| 2009 | */ |
|---|
| 2010 | function create_default_folders() |
|---|
| 2011 | { |
|---|
| 2012 | $a_folders = iil_C_ListMailboxes($this->conn, $this->_mod_mailbox(''), '*'); |
|---|
| 2013 | $a_subscribed = iil_C_ListSubscribed($this->conn, $this->_mod_mailbox(''), '*'); |
|---|
| 2014 | |
|---|
| 2015 | // create default folders if they do not exist |
|---|
| 2016 | foreach ($this->default_folders as $folder) |
|---|
| 2017 | { |
|---|
| 2018 | $abs_name = $this->_mod_mailbox($folder); |
|---|
| 2019 | if (!in_array_nocase($abs_name, $a_folders)) |
|---|
| 2020 | $this->create_mailbox($folder, TRUE); |
|---|
| 2021 | else if (!in_array_nocase($abs_name, $a_subscribed)) |
|---|
| 2022 | $this->subscribe($folder); |
|---|
| 2023 | } |
|---|
| 2024 | } |
|---|
| 2025 | |
|---|
| 2026 | |
|---|
| 2027 | |
|---|
| 2028 | /* -------------------------------- |
|---|
| 2029 | * internal caching methods |
|---|
| 2030 | * --------------------------------*/ |
|---|
| 2031 | |
|---|
| 2032 | /** |
|---|
| 2033 | * @access private |
|---|
| 2034 | */ |
|---|
| 2035 | function set_caching($set) |
|---|
| 2036 | { |
|---|
| 2037 | if ($set && is_object($this->db)) |
|---|
| 2038 | $this->caching_enabled = TRUE; |
|---|
| 2039 | else |
|---|
| 2040 | $this->caching_enabled = FALSE; |
|---|
| 2041 | } |
|---|
| 2042 | |
|---|
| 2043 | /** |
|---|
| 2044 | * @access private |
|---|
| 2045 | */ |
|---|
| 2046 | function get_cache($key) |
|---|
| 2047 | { |
|---|
| 2048 | // read cache |
|---|
| 2049 | if (!isset($this->cache[$key]) && $this->caching_enabled) |
|---|
| 2050 | { |
|---|
| 2051 | $cache_data = $this->_read_cache_record('IMAP.'.$key); |
|---|
| 2052 | $this->cache[$key] = strlen($cache_data) ? unserialize($cache_data) : FALSE; |
|---|
| 2053 | } |
|---|
| 2054 | |
|---|
| 2055 | return $this->cache[$key]; |
|---|
| 2056 | } |
|---|
| 2057 | |
|---|
| 2058 | /** |
|---|
| 2059 | * @access private |
|---|
| 2060 | */ |
|---|
| 2061 | function update_cache($key, $data) |
|---|
| 2062 | { |
|---|
| 2063 | $this->cache[$key] = $data; |
|---|
| 2064 | $this->cache_changed = TRUE; |
|---|
| 2065 | $this->cache_changes[$key] = TRUE; |
|---|
| 2066 | } |
|---|
| 2067 | |
|---|
| 2068 | /** |
|---|
| 2069 | * @access private |
|---|
| 2070 | */ |
|---|
| 2071 | function write_cache() |
|---|
| 2072 | { |
|---|
| 2073 | if ($this->caching_enabled && $this->cache_changed) |
|---|
| 2074 | { |
|---|
| 2075 | foreach ($this->cache as $key => $data) |
|---|
| 2076 | { |
|---|
| 2077 | if ($this->cache_changes[$key]) |
|---|
| 2078 | $this->_write_cache_record('IMAP.'.$key, serialize($data)); |
|---|
| 2079 | } |
|---|
| 2080 | } |
|---|
| 2081 | } |
|---|
| 2082 | |
|---|
| 2083 | /** |
|---|
| 2084 | * @access private |
|---|
| 2085 | */ |
|---|
| 2086 | function clear_cache($key=NULL) |
|---|
| 2087 | { |
|---|
| 2088 | if (!$this->caching_enabled) |
|---|
| 2089 | return; |
|---|
| 2090 | |
|---|
| 2091 | if ($key===NULL) |
|---|
| 2092 | { |
|---|
| 2093 | foreach ($this->cache as $key => $data) |
|---|
| 2094 | $this->_clear_cache_record('IMAP.'.$key); |
|---|
| 2095 | |
|---|
| 2096 | $this->cache = array(); |
|---|
| 2097 | $this->cache_changed = FALSE; |
|---|
| 2098 | $this->cache_changes = array(); |
|---|
| 2099 | } |
|---|
| 2100 | else |
|---|
| 2101 | { |
|---|
| 2102 | $this->_clear_cache_record('IMAP.'.$key); |
|---|
| 2103 | $this->cache_changes[$key] = FALSE; |
|---|
| 2104 | unset($this->cache[$key]); |
|---|
| 2105 | } |
|---|
| 2106 | } |
|---|
| 2107 | |
|---|
| 2108 | /** |
|---|
| 2109 | * @access private |
|---|
| 2110 | */ |
|---|
| 2111 | function _read_cache_record($key) |
|---|
| 2112 | { |
|---|
| 2113 | $cache_data = FALSE; |
|---|
| 2114 | |
|---|
| 2115 | if ($this->db) |
|---|
| 2116 | { |
|---|
| 2117 | // get cached data from DB |
|---|
| 2118 | $sql_result = $this->db->query( |
|---|
| 2119 | "SELECT cache_id, data |
|---|
| 2120 | FROM ".get_table_name('cache')." |
|---|
| 2121 | WHERE user_id=? |
|---|
| 2122 | AND cache_key=?", |
|---|
| 2123 | $_SESSION['user_id'], |
|---|
| 2124 | $key); |
|---|
| 2125 | |
|---|
| 2126 | if ($sql_arr = $this->db->fetch_assoc($sql_result)) |
|---|
| 2127 | { |
|---|
| 2128 | $cache_data = $sql_arr['data']; |
|---|
| 2129 | $this->cache_keys[$key] = $sql_arr['cache_id']; |
|---|
| 2130 | } |
|---|
| 2131 | } |
|---|
| 2132 | |
|---|
| 2133 | return $cache_data; |
|---|
| 2134 | } |
|---|
| 2135 | |
|---|
| 2136 | /** |
|---|
| 2137 | * @access private |
|---|
| 2138 | */ |
|---|
| 2139 | function _write_cache_record($key, $data) |
|---|
| 2140 | { |
|---|
| 2141 | if (!$this->db) |
|---|
| 2142 | return FALSE; |
|---|
| 2143 | |
|---|
| 2144 | // check if we already have a cache entry for this key |
|---|
| 2145 | if (!isset($this->cache_keys[$key])) |
|---|
| 2146 | { |
|---|
| 2147 | $sql_result = $this->db->query( |
|---|
| 2148 | "SELECT cache_id |
|---|
| 2149 | FROM ".get_table_name('cache')." |
|---|
| 2150 | WHERE user_id=? |
|---|
| 2151 | AND cache_key=?", |
|---|
| 2152 | $_SESSION['user_id'], |
|---|
| 2153 | $key); |
|---|
| 2154 | |
|---|
| 2155 | if ($sql_arr = $this->db->fetch_assoc($sql_result)) |
|---|
| 2156 | $this->cache_keys[$key] = $sql_arr['cache_id']; |
|---|
| 2157 | else |
|---|
| 2158 | $this->cache_keys[$key] = FALSE; |
|---|
| 2159 | } |
|---|
| 2160 | |
|---|
| 2161 | // update existing cache record |
|---|
| 2162 | if ($this->cache_keys[$key]) |
|---|
| 2163 | { |
|---|
| 2164 | $this->db->query( |
|---|
| 2165 | "UPDATE ".get_table_name('cache')." |
|---|
| 2166 | SET created=". $this->db->now().", data=? |
|---|
| 2167 | WHERE user_id=? |
|---|
| 2168 | AND cache_key=?", |
|---|
| 2169 | $data, |
|---|
| 2170 | $_SESSION['user_id'], |
|---|
| 2171 | $key); |
|---|
| 2172 | } |
|---|
| 2173 | // add new cache record |
|---|
| 2174 | else |
|---|
| 2175 | { |
|---|
| 2176 | $this->db->query( |
|---|
| 2177 | "INSERT INTO ".get_table_name('cache')." |
|---|
| 2178 | (created, user_id, cache_key, data) |
|---|
| 2179 | VALUES (".$this->db->now().", ?, ?, ?)", |
|---|
| 2180 | $_SESSION['user_id'], |
|---|
| 2181 | $key, |
|---|
| 2182 | $data); |
|---|
| 2183 | } |
|---|
| 2184 | } |
|---|
| 2185 | |
|---|
| 2186 | /** |
|---|
| 2187 | * @access private |
|---|
| 2188 | */ |
|---|
| 2189 | function _clear_cache_record($key) |
|---|
| 2190 | { |
|---|
| 2191 | $this->db->query( |
|---|
| 2192 | "DELETE FROM ".get_table_name('cache')." |
|---|
| 2193 | WHERE user_id=? |
|---|
| 2194 | AND cache_key=?", |
|---|
| 2195 | $_SESSION['user_id'], |
|---|
| 2196 | $key); |
|---|
| 2197 | } |
|---|
| 2198 | |
|---|
| 2199 | |
|---|
| 2200 | |
|---|
| 2201 | /* -------------------------------- |
|---|
| 2202 | * message caching methods |
|---|
| 2203 | * --------------------------------*/ |
|---|
| 2204 | |
|---|
| 2205 | |
|---|
| 2206 | /** |
|---|
| 2207 | * Checks if the cache is up-to-date |
|---|
| 2208 | * |
|---|
| 2209 | * @param string Mailbox name |
|---|
| 2210 | * @param string Internal cache key |
|---|
| 2211 | * @return int -3 = off, -2 = incomplete, -1 = dirty |
|---|
| 2212 | */ |
|---|
| 2213 | function check_cache_status($mailbox, $cache_key) |
|---|
| 2214 | { |
|---|
| 2215 | if (!$this->caching_enabled) |
|---|
| 2216 | return -3; |
|---|
| 2217 | |
|---|
| 2218 | $cache_index = $this->get_message_cache_index($cache_key, TRUE); |
|---|
| 2219 | $msg_count = $this->_messagecount($mailbox); |
|---|
| 2220 | $cache_count = count($cache_index); |
|---|
| 2221 | |
|---|
| 2222 | // console("Cache check: $msg_count !== ".count($cache_index)); |
|---|
| 2223 | |
|---|
| 2224 | if ($cache_count==$msg_count) |
|---|
| 2225 | { |
|---|
| 2226 | // get highest index |
|---|
| 2227 | $header = iil_C_FetchHeader($this->conn, $mailbox, "$msg_count", false, $this->fetch_add_headers); |
|---|
| 2228 | $cache_uid = array_pop($cache_index); |
|---|
| 2229 | |
|---|
| 2230 | // uids of highest message matches -> cache seems OK |
|---|
| 2231 | if ($cache_uid == $header->uid) |
|---|
| 2232 | return 1; |
|---|
| 2233 | |
|---|
| 2234 | // cache is dirty |
|---|
| 2235 | return -1; |
|---|
| 2236 | } |
|---|
| 2237 | // if cache count differs less than 10% report as dirty |
|---|
| 2238 | else if (abs($msg_count - $cache_count) < $msg_count/10) |
|---|
| 2239 | return -1; |
|---|
| 2240 | else |
|---|
| 2241 | return -2; |
|---|
| 2242 | } |
|---|
| 2243 | |
|---|
| 2244 | /** |
|---|
| 2245 | * @access private |
|---|
| 2246 | */ |
|---|
| 2247 | function get_message_cache($key, $from, $to, $sort_field, $sort_order) |
|---|
| 2248 | { |
|---|
| 2249 | $cache_key = "$key:$from:$to:$sort_field:$sort_order"; |
|---|
| 2250 | $db_header_fields = array('idx', 'uid', 'subject', 'from', 'to', 'cc', 'date', 'size'); |
|---|
| 2251 | |
|---|
| 2252 | if (!in_array($sort_field, $db_header_fields)) |
|---|
| 2253 | $sort_field = 'idx'; |
|---|
| 2254 | |
|---|
| 2255 | if ($this->caching_enabled && !isset($this->cache[$cache_key])) |
|---|
| 2256 | { |
|---|
| 2257 | $this->cache[$cache_key] = array(); |
|---|
| 2258 | $sql_result = $this->db->limitquery( |
|---|
| 2259 | "SELECT idx, uid, headers |
|---|
| 2260 | FROM ".get_table_name('messages')." |
|---|
| 2261 | WHERE user_id=? |
|---|
| 2262 | AND cache_key=? |
|---|
| 2263 | ORDER BY ".$this->db->quoteIdentifier($sort_field)." ". |
|---|
| 2264 | strtoupper($sort_order), |
|---|
| 2265 | $from, |
|---|
| 2266 | $to-$from, |
|---|
| 2267 | $_SESSION['user_id'], |
|---|
| 2268 | $key); |
|---|
| 2269 | |
|---|
| 2270 | while ($sql_arr = $this->db->fetch_assoc($sql_result)) |
|---|
| 2271 | { |
|---|
| 2272 | $uid = $sql_arr['uid']; |
|---|
| 2273 | $this->cache[$cache_key][$uid] = unserialize($sql_arr['headers']); |
|---|
| 2274 | |
|---|
| 2275 | // featch headers if unserialize failed |
|---|
| 2276 | if (empty($this->cache[$cache_key][$uid])) |
|---|
| 2277 | $this->cache[$cache_key][$uid] = iil_C_FetchHeader($this->conn, preg_replace('/.msg$/', '', $key), $uid, true, $this->fetch_add_headers); |
|---|
| 2278 | } |
|---|
| 2279 | } |
|---|
| 2280 | |
|---|
| 2281 | return $this->cache[$cache_key]; |
|---|
| 2282 | } |
|---|
| 2283 | |
|---|
| 2284 | /** |
|---|
| 2285 | * @access private |
|---|
| 2286 | */ |
|---|
| 2287 | function &get_cached_message($key, $uid, $struct=false) |
|---|
| 2288 | { |
|---|
| 2289 | $internal_key = '__single_msg'; |
|---|
| 2290 | |
|---|
| 2291 | if ($this->caching_enabled && (!isset($this->cache[$internal_key][$uid]) || |
|---|
| 2292 | ($struct && empty($this->cache[$internal_key][$uid]->structure)))) |
|---|
| 2293 | { |
|---|
| 2294 | $sql_select = "idx, uid, headers" . ($struct ? ", structure" : ''); |
|---|
| 2295 | $sql_result = $this->db->query( |
|---|
| 2296 | "SELECT $sql_select |
|---|
| 2297 | FROM ".get_table_name('messages')." |
|---|
| 2298 | WHERE user_id=? |
|---|
| 2299 | AND cache_key=? |
|---|
| 2300 | AND uid=?", |
|---|
| 2301 | $_SESSION['user_id'], |
|---|
| 2302 | $key, |
|---|
| 2303 | $uid); |
|---|
| 2304 | |
|---|
| 2305 | if ($sql_arr = $this->db->fetch_assoc($sql_result)) |
|---|
| 2306 | { |
|---|
| 2307 | $this->cache[$internal_key][$uid] = unserialize($sql_arr['headers']); |
|---|
| 2308 | if (is_object($this->cache[$internal_key][$uid]) && !empty($sql_arr['structure'])) |
|---|
| 2309 | $this->cache[$internal_key][$uid]->structure = unserialize($sql_arr['structure']); |
|---|
| 2310 | } |
|---|
| 2311 | } |
|---|
| 2312 | |
|---|
| 2313 | return $this->cache[$internal_key][$uid]; |
|---|
| 2314 | } |
|---|
| 2315 | |
|---|
| 2316 | /** |
|---|
| 2317 | * @access private |
|---|
| 2318 | */ |
|---|
| 2319 | function get_message_cache_index($key, $force=FALSE, $sort_field='idx', $sort_order='ASC') |
|---|
| 2320 | { |
|---|
| 2321 | static $sa_message_index = array(); |
|---|
| 2322 | |
|---|
| 2323 | // empty key -> empty array |
|---|
| 2324 | if (!$this->caching_enabled || empty($key)) |
|---|
| 2325 | return array(); |
|---|
| 2326 | |
|---|
| 2327 | if (!empty($sa_message_index[$key]) && !$force) |
|---|
| 2328 | return $sa_message_index[$key]; |
|---|
| 2329 | |
|---|
| 2330 | $sa_message_index[$key] = array(); |
|---|
| 2331 | $sql_result = $this->db->query( |
|---|
| 2332 | "SELECT idx, uid |
|---|
| 2333 | FROM ".get_table_name('messages')." |
|---|
| 2334 | WHERE user_id=? |
|---|
| 2335 | AND cache_key=? |
|---|
| 2336 | ORDER BY ".$this->db->quote_identifier($sort_field)." ".$sort_order, |
|---|
| 2337 | $_SESSION['user_id'], |
|---|
| 2338 | $key); |
|---|
| 2339 | |
|---|
| 2340 | while ($sql_arr = $this->db->fetch_assoc($sql_result)) |
|---|
| 2341 | $sa_message_index[$key][$sql_arr['idx']] = $sql_arr['uid']; |
|---|
| 2342 | |
|---|
| 2343 | return $sa_message_index[$key]; |
|---|
| 2344 | } |
|---|
| 2345 | |
|---|
| 2346 | /** |
|---|
| 2347 | * @access private |
|---|
| 2348 | */ |
|---|
| 2349 | function add_message_cache($key, $index, $headers, $struct=null) |
|---|
| 2350 | { |
|---|
| 2351 | if (empty($key) || !is_object($headers) || empty($headers->uid)) |
|---|
| 2352 | return; |
|---|
| 2353 | |
|---|
| 2354 | // add to internal (fast) cache |
|---|
| 2355 | $this->cache['__single_msg'][$headers->uid] = $headers; |
|---|
| 2356 | $this->cache['__single_msg'][$headers->uid]->structure = $struct; |
|---|
| 2357 | |
|---|
| 2358 | // no further caching |
|---|
| 2359 | if (!$this->caching_enabled) |
|---|
| 2360 | return; |
|---|
| 2361 | |
|---|
| 2362 | // check for an existing record (probly headers are cached but structure not) |
|---|
| 2363 | $sql_result = $this->db->query( |
|---|
| 2364 | "SELECT message_id |
|---|
| 2365 | FROM ".get_table_name('messages')." |
|---|
| 2366 | WHERE user_id=? |
|---|
| 2367 | AND cache_key=? |
|---|
| 2368 | AND uid=? |
|---|
| 2369 | AND del<>1", |
|---|
| 2370 | $_SESSION['user_id'], |
|---|
| 2371 | $key, |
|---|
| 2372 | $headers->uid); |
|---|
| 2373 | |
|---|
| 2374 | // update cache record |
|---|
| 2375 | if ($sql_arr = $this->db->fetch_assoc($sql_result)) |
|---|
| 2376 | { |
|---|
| 2377 | $this->db->query( |
|---|
| 2378 | "UPDATE ".get_table_name('messages')." |
|---|
| 2379 | SET idx=?, headers=?, structure=? |
|---|
| 2380 | WHERE message_id=?", |
|---|
| 2381 | $index, |
|---|
| 2382 | serialize($headers), |
|---|
| 2383 | is_object($struct) ? serialize($struct) : NULL, |
|---|
| 2384 | $sql_arr['message_id'] |
|---|
| 2385 | ); |
|---|
| 2386 | } |
|---|
| 2387 | else // insert new record |
|---|
| 2388 | { |
|---|
| 2389 | $this->db->query( |
|---|
| 2390 | "INSERT INTO ".get_table_name('messages')." |
|---|
| 2391 | (user_id, del, cache_key, created, idx, uid, subject, ".$this->db->quoteIdentifier('from').", ".$this->db->quoteIdentifier('to').", cc, date, size, headers, structure) |
|---|
| 2392 | VALUES (?, 0, ?, ".$this->db->now().", ?, ?, ?, ?, ?, ?, ".$this->db->fromunixtime($headers->timestamp).", ?, ?, ?)", |
|---|
| 2393 | $_SESSION['user_id'], |
|---|
| 2394 | $key, |
|---|
| 2395 | $index, |
|---|
| 2396 | $headers->uid, |
|---|
| 2397 | (string)substr($this->decode_header($headers->subject, TRUE), 0, 128), |
|---|
| 2398 | (string)substr($this->decode_header($headers->from, TRUE), 0, 128), |
|---|
| 2399 | (string)substr($this->decode_header($headers->to, TRUE), 0, 128), |
|---|
| 2400 | (string)substr($this->decode_header($headers->cc, TRUE), 0, 128), |
|---|
| 2401 | (int)$headers->size, |
|---|
| 2402 | serialize($headers), |
|---|
| 2403 | is_object($struct) ? serialize($struct) : NULL |
|---|
| 2404 | ); |
|---|
| 2405 | } |
|---|
| 2406 | } |
|---|
| 2407 | |
|---|
| 2408 | /** |
|---|
| 2409 | * @access private |
|---|
| 2410 | */ |
|---|
| 2411 | function remove_message_cache($key, $index) |
|---|
| 2412 | { |
|---|
| 2413 | if (!$this->caching_enabled) |
|---|
| 2414 | return; |
|---|
| 2415 | |
|---|
| 2416 | $this->db->query( |
|---|
| 2417 | "DELETE FROM ".get_table_name('messages')." |
|---|
| 2418 | WHERE user_id=? |
|---|
| 2419 | AND cache_key=? |
|---|
| 2420 | AND idx=?", |
|---|
| 2421 | $_SESSION['user_id'], |
|---|
| 2422 | $key, |
|---|
| 2423 | $index); |
|---|
| 2424 | } |
|---|
| 2425 | |
|---|
| 2426 | /** |
|---|
| 2427 | * @access private |
|---|
| 2428 | */ |
|---|
| 2429 | function clear_message_cache($key, $start_index=1) |
|---|
| 2430 | { |
|---|
| 2431 | if (!$this->caching_enabled) |
|---|
| 2432 | return; |
|---|
| 2433 | |
|---|
| 2434 | $this->db->query( |
|---|
| 2435 | "DELETE FROM ".get_table_name('messages')." |
|---|
| 2436 | WHERE user_id=? |
|---|
| 2437 | AND cache_key=? |
|---|
| 2438 | AND idx>=?", |
|---|
| 2439 | $_SESSION['user_id'], |
|---|
| 2440 | $key, |
|---|
| 2441 | $start_index); |
|---|
| 2442 | } |
|---|
| 2443 | |
|---|
| 2444 | |
|---|
| 2445 | |
|---|
| 2446 | |
|---|
| 2447 | /* -------------------------------- |
|---|
| 2448 | * encoding/decoding methods |
|---|
| 2449 | * --------------------------------*/ |
|---|
| 2450 | |
|---|
| 2451 | /** |
|---|
| 2452 | * Split an address list into a structured array list |
|---|
| 2453 | * |
|---|
| 2454 | * @param string Input string |
|---|
| 2455 | * @param int List only this number of addresses |
|---|
| 2456 | * @param boolean Decode address strings |
|---|
| 2457 | * @return array Indexed list of addresses |
|---|
| 2458 | */ |
|---|
| 2459 | function decode_address_list($input, $max=null, $decode=true) |
|---|
| 2460 | { |
|---|
| 2461 | $a = $this->_parse_address_list($input, $decode); |
|---|
| 2462 | $out = array(); |
|---|
| 2463 | // Special chars as defined by RFC 822 need to in quoted string (or escaped). |
|---|
| 2464 | $special_chars = '[\(\)\<\>\\\.\[\]@,;:"]'; |
|---|
| 2465 | |
|---|
| 2466 | if (!is_array($a)) |
|---|
| 2467 | return $out; |
|---|
| 2468 | |
|---|
| 2469 | $c = count($a); |
|---|
| 2470 | $j = 0; |
|---|
| 2471 | |
|---|
| 2472 | foreach ($a as $val) |
|---|
| 2473 | { |
|---|
| 2474 | $j++; |
|---|
| 2475 | $address = $val['address']; |
|---|
| 2476 | $name = preg_replace(array('/^[\'"]/', '/[\'"]$/'), '', trim($val['name'])); |
|---|
| 2477 | if ($name && $address && $name != $address) |
|---|
| 2478 | $string = sprintf('%s <%s>', preg_match("/$special_chars/", $name) ? '"'.addcslashes($name, '"').'"' : $name, $address); |
|---|
| 2479 | else if ($address) |
|---|
| 2480 | $string = $address; |
|---|
| 2481 | else if ($name) |
|---|
| 2482 | $string = $name; |
|---|
| 2483 | |
|---|
| 2484 | $out[$j] = array('name' => $name, |
|---|
| 2485 | 'mailto' => $address, |
|---|
| 2486 | 'string' => $string); |
|---|
| 2487 | |
|---|
| 2488 | if ($max && $j==$max) |
|---|
| 2489 | break; |
|---|
| 2490 | } |
|---|
| 2491 | |
|---|
| 2492 | return $out; |
|---|
| 2493 | } |
|---|
| 2494 | |
|---|
| 2495 | |
|---|
| 2496 | /** |
|---|
| 2497 | * Decode a message header value |
|---|
| 2498 | * |
|---|
| 2499 | * @param string Header value |
|---|
| 2500 | * @param boolean Remove quotes if necessary |
|---|
| 2501 | * @return string Decoded string |
|---|
| 2502 | */ |
|---|
| 2503 | function decode_header($input, $remove_quotes=FALSE) |
|---|
| 2504 | { |
|---|
| 2505 | $str = rcube_imap::decode_mime_string((string)$input, $this->default_charset); |
|---|
| 2506 | if ($str{0}=='"' && $remove_quotes) |
|---|
| 2507 | $str = str_replace('"', '', $str); |
|---|
| 2508 | |
|---|
| 2509 | return $str; |
|---|
| 2510 | } |
|---|
| 2511 | |
|---|
| 2512 | |
|---|
| 2513 | /** |
|---|
| 2514 | * Decode a mime-encoded string to internal charset |
|---|
| 2515 | * |
|---|
| 2516 | * @param string $input Header value |
|---|
| 2517 | * @param string $fallback Fallback charset if none specified |
|---|
| 2518 | * |
|---|
| 2519 | * @return string Decoded string |
|---|
| 2520 | * @static |
|---|
| 2521 | */ |
|---|
| 2522 | public static function decode_mime_string($input, $fallback=null) |
|---|
| 2523 | { |
|---|
| 2524 | // Initialize variable |
|---|
| 2525 | $out = ''; |
|---|
| 2526 | |
|---|
| 2527 | // Iterate instead of recursing, this way if there are too many values we don't have stack overflows |
|---|
| 2528 | // rfc: all line breaks or other characters not found |
|---|
| 2529 | // in the Base64 Alphabet must be ignored by decoding software |
|---|
| 2530 | // delete all blanks between MIME-lines, differently we can |
|---|
| 2531 | // receive unnecessary blanks and broken utf-8 symbols |
|---|
| 2532 | $input = preg_replace("/\?=\s+=\?/", '?==?', $input); |
|---|
| 2533 | |
|---|
| 2534 | // Check if there is stuff to decode |
|---|
| 2535 | if (strpos($input, '=?') !== false) { |
|---|
| 2536 | // Loop through the string to decode all occurences of =? ?= into the variable $out |
|---|
| 2537 | while(($pos = strpos($input, '=?')) !== false) { |
|---|
| 2538 | // Append everything that is before the text to be decoded |
|---|
| 2539 | $out .= substr($input, 0, $pos); |
|---|
| 2540 | |
|---|
| 2541 | // Get the location of the text to decode |
|---|
| 2542 | $end_cs_pos = strpos($input, "?", $pos+2); |
|---|
| 2543 | $end_en_pos = strpos($input, "?", $end_cs_pos+1); |
|---|
| 2544 | $end_pos = strpos($input, "?=", $end_en_pos+1); |
|---|
| 2545 | |
|---|
| 2546 | // Extract the encoded string |
|---|
| 2547 | $encstr = substr($input, $pos+2, ($end_pos-$pos-2)); |
|---|
| 2548 | // Extract the remaining string |
|---|
| 2549 | $input = substr($input, $end_pos+2); |
|---|
| 2550 | |
|---|
| 2551 | // Decode the string fragement |
|---|
| 2552 | $out .= rcube_imap::_decode_mime_string_part($encstr); |
|---|
| 2553 | } |
|---|
| 2554 | |
|---|
| 2555 | // Deocde the rest (if any) |
|---|
| 2556 | if (strlen($input) != 0) |
|---|
| 2557 | $out .= rcube_imap::decode_mime_string($input, $fallback); |
|---|
| 2558 | |
|---|
| 2559 | // return the results |
|---|
| 2560 | return $out; |
|---|
| 2561 | } |
|---|
| 2562 | |
|---|
| 2563 | // no encoding information, use fallback |
|---|
| 2564 | return rcube_charset_convert($input, |
|---|
| 2565 | !empty($fallback) ? $fallback : rcmail::get_instance()->config->get('default_charset', 'ISO-8859-1')); |
|---|
| 2566 | } |
|---|
| 2567 | |
|---|
| 2568 | |
|---|
| 2569 | /** |
|---|
| 2570 | * Decode a part of a mime-encoded string |
|---|
| 2571 | * |
|---|
| 2572 | * @access private |
|---|
| 2573 | */ |
|---|
| 2574 | function _decode_mime_string_part($str) |
|---|
| 2575 | { |
|---|
| 2576 | $a = explode('?', $str); |
|---|
| 2577 | $count = count($a); |
|---|
| 2578 | |
|---|
| 2579 | // should be in format "charset?encoding?base64_string" |
|---|
| 2580 | if ($count >= 3) |
|---|
| 2581 | { |
|---|
| 2582 | for ($i=2; $i<$count; $i++) |
|---|
| 2583 | $rest.=$a[$i]; |
|---|
| 2584 | |
|---|
| 2585 | if (($a[1]=="B")||($a[1]=="b")) |
|---|
| 2586 | $rest = base64_decode($rest); |
|---|
| 2587 | else if (($a[1]=="Q")||($a[1]=="q")) |
|---|
| 2588 | { |
|---|
| 2589 | $rest = str_replace("_", " ", $rest); |
|---|
| 2590 | $rest = quoted_printable_decode($rest); |
|---|
| 2591 | } |
|---|
| 2592 | |
|---|
| 2593 | return rcube_charset_convert($rest, $a[0]); |
|---|
| 2594 | } |
|---|
| 2595 | else |
|---|
| 2596 | return $str; // we dont' know what to do with this |
|---|
| 2597 | } |
|---|
| 2598 | |
|---|
| 2599 | |
|---|
| 2600 | /** |
|---|
| 2601 | * Decode a mime part |
|---|
| 2602 | * |
|---|
| 2603 | * @param string Input string |
|---|
| 2604 | * @param string Part encoding |
|---|
| 2605 | * @return string Decoded string |
|---|
| 2606 | * @access private |
|---|
| 2607 | */ |
|---|
| 2608 | function mime_decode($input, $encoding='7bit') |
|---|
| 2609 | { |
|---|
| 2610 | switch (strtolower($encoding)) |
|---|
| 2611 | { |
|---|
| 2612 | case '7bit': |
|---|
| 2613 | return $input; |
|---|
| 2614 | break; |
|---|
| 2615 | |
|---|
| 2616 | case 'quoted-printable': |
|---|
| 2617 | return quoted_printable_decode($input); |
|---|
| 2618 | break; |
|---|
| 2619 | |
|---|
| 2620 | case 'base64': |
|---|
| 2621 | return base64_decode($input); |
|---|
| 2622 | break; |
|---|
| 2623 | |
|---|
| 2624 | default: |
|---|
| 2625 | return $input; |
|---|
| 2626 | } |
|---|
| 2627 | } |
|---|
| 2628 | |
|---|
| 2629 | |
|---|
| 2630 | /** |
|---|
| 2631 | * Convert body charset to UTF-8 according to the ctype_parameters |
|---|
| 2632 | * |
|---|
| 2633 | * @param string Part body to decode |
|---|
| 2634 | * @param string Charset to convert from |
|---|
| 2635 | * @return string Content converted to internal charset |
|---|
| 2636 | */ |
|---|
| 2637 | function charset_decode($body, $ctype_param) |
|---|
| 2638 | { |
|---|
| 2639 | if (is_array($ctype_param) && !empty($ctype_param['charset'])) |
|---|
| 2640 | return rcube_charset_convert($body, $ctype_param['charset']); |
|---|
| 2641 | |
|---|
| 2642 | // defaults to what is specified in the class header |
|---|
| 2643 | return rcube_charset_convert($body, $this->default_charset); |
|---|
| 2644 | } |
|---|
| 2645 | |
|---|
| 2646 | |
|---|
| 2647 | /** |
|---|
| 2648 | * Translate UID to message ID |
|---|
| 2649 | * |
|---|
| 2650 | * @param int Message UID |
|---|
| 2651 | * @param string Mailbox name |
|---|
| 2652 | * @return int Message ID |
|---|
| 2653 | */ |
|---|
| 2654 | function get_id($uid, $mbox_name=NULL) |
|---|
| 2655 | { |
|---|
| 2656 | $mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox; |
|---|
| 2657 | return $this->_uid2id($uid, $mailbox); |
|---|
| 2658 | } |
|---|
| 2659 | |
|---|
| 2660 | |
|---|
| 2661 | /** |
|---|
| 2662 | * Translate message number to UID |
|---|
| 2663 | * |
|---|
| 2664 | * @param int Message ID |
|---|
| 2665 | * @param string Mailbox name |
|---|
| 2666 | * @return int Message UID |
|---|
| 2667 | */ |
|---|
| 2668 | function get_uid($id,$mbox_name=NULL) |
|---|
| 2669 | { |
|---|
| 2670 | $mailbox = $mbox_name ? $this->_mod_mailbox($mbox_name) : $this->mailbox; |
|---|
| 2671 | return $this->_id2uid($id, $mailbox); |
|---|
| 2672 | } |
|---|
| 2673 | |
|---|
| 2674 | |
|---|
| 2675 | |
|---|
| 2676 | /* -------------------------------- |
|---|
| 2677 | * private methods |
|---|
| 2678 | * --------------------------------*/ |
|---|
| 2679 | |
|---|
| 2680 | |
|---|
| 2681 | /** |
|---|
| 2682 | * @access private |
|---|
| 2683 | */ |
|---|
| 2684 | function _mod_mailbox($mbox_name, $mode='in') |
|---|
| 2685 | { |
|---|
| 2686 | if ((!empty($this->root_ns) && $this->root_ns == $mbox_name) || $mbox_name == 'INBOX') |
|---|
| 2687 | return $mbox_name; |
|---|
| 2688 | |
|---|
| 2689 | if (!empty($this->root_dir) && $mode=='in') |
|---|
| 2690 | $mbox_name = $this->root_dir.$this->delimiter.$mbox_name; |
|---|
| 2691 | else if (strlen($this->root_dir) && $mode=='out') |
|---|
| 2692 | $mbox_name = substr($mbox_name, strlen($this->root_dir)+1); |
|---|
| 2693 | |
|---|
| 2694 | return $mbox_name; |
|---|
| 2695 | } |
|---|
| 2696 | |
|---|
| 2697 | /** |
|---|
| 2698 | * Validate the given input and save to local properties |
|---|
| 2699 | * @access private |
|---|
| 2700 | */ |
|---|
| 2701 | function _set_sort_order($sort_field, $sort_order) |
|---|
| 2702 | { |
|---|
| 2703 | if ($sort_field != null) |
|---|
| 2704 | $this->sort_field = asciiwords($sort_field); |
|---|
| 2705 | if ($sort_order != null) |
|---|
| 2706 | $this->sort_order = strtoupper($sort_order) == 'DESC' ? 'DESC' : 'ASC'; |
|---|
| 2707 | } |
|---|
| 2708 | |
|---|
| 2709 | /** |
|---|
| 2710 | * Sort mailboxes first by default folders and then in alphabethical order |
|---|
| 2711 | * @access private |
|---|
| 2712 | */ |
|---|
| 2713 | function _sort_mailbox_list($a_folders) |
|---|
| 2714 | { |
|---|
| 2715 | $a_out = $a_defaults = $folders = array(); |
|---|
| 2716 | |
|---|
| 2717 | $delimiter = $this->get_hierarchy_delimiter(); |
|---|
| 2718 | |
|---|
| 2719 | // find default folders and skip folders starting with '.' |
|---|
| 2720 | foreach ($a_folders as $i => $folder) |
|---|
| 2721 | { |
|---|
| 2722 | if ($folder{0}=='.') |
|---|
| 2723 | continue; |
|---|
| 2724 | |
|---|
| 2725 | if (($p = array_search(strtolower($folder), $this->default_folders_lc)) !== false && !$a_defaults[$p]) |
|---|
| 2726 | $a_defaults[$p] = $folder; |
|---|
| 2727 | else |
|---|
| 2728 | $folders[$folder] = rc_strtolower(rcube_charset_convert($folder, 'UTF-7')); |
|---|
| 2729 | } |
|---|
| 2730 | |
|---|
| 2731 | // sort folders and place defaults on the top |
|---|
| 2732 | asort($folders, SORT_LOCALE_STRING); |
|---|
| 2733 | ksort($a_defaults); |
|---|
| 2734 | $folders = array_merge($a_defaults, array_keys($folders)); |
|---|
| 2735 | |
|---|
| 2736 | // finally we must rebuild the list to move |
|---|
| 2737 | // subfolders of default folders to their place... |
|---|
| 2738 | // ...also do this for the rest of folders because |
|---|
| 2739 | // asort() is not properly sorting case sensitive names |
|---|
| 2740 | while (list($key, $folder) = each($folders)) { |
|---|
| 2741 | // set the type of folder name variable (#1485527) |
|---|
| 2742 | $a_out[] = (string) $folder; |
|---|
| 2743 | unset($folders[$key]); |
|---|
| 2744 | $this->_rsort($folder, $delimiter, $folders, $a_out); |
|---|
| 2745 | } |
|---|
| 2746 | |
|---|
| 2747 | return $a_out; |
|---|
| 2748 | } |
|---|
| 2749 | |
|---|
| 2750 | |
|---|
| 2751 | /** |
|---|
| 2752 | * @access private |
|---|
| 2753 | */ |
|---|
| 2754 | function _rsort($folder, $delimiter, &$list, &$out) |
|---|
| 2755 | { |
|---|
| 2756 | while (list($key, $name) = each($list)) { |
|---|
| 2757 | if (strpos($name, $folder.$delimiter) === 0) { |
|---|
| 2758 | // set the type of folder name variable (#1485527) |
|---|
| 2759 | $out[] = (string) $name; |
|---|
| 2760 | unset($list[$key]); |
|---|
| 2761 | $this->_rsort($name, $delimiter, $list, $out); |
|---|
| 2762 | } |
|---|
| 2763 | } |
|---|
| 2764 | reset($list); |
|---|
| 2765 | } |
|---|
| 2766 | |
|---|
| 2767 | |
|---|
| 2768 | /** |
|---|
| 2769 | * @access private |
|---|
| 2770 | */ |
|---|
| 2771 | function _uid2id($uid, $mbox_name=NULL) |
|---|
| 2772 | { |
|---|
| 2773 | if (!$mbox_name) |
|---|
| 2774 | $mbox_name = $this->mailbox; |
|---|
| 2775 | |
|---|
| 2776 | if (!isset($this->uid_id_map[$mbox_name][$uid])) |
|---|
| 2777 | $this->uid_id_map[$mbox_name][$uid] = iil_C_UID2ID($this->conn, $mbox_name, $uid); |
|---|
| 2778 | |
|---|
| 2779 | return $this->uid_id_map[$mbox_name][$uid]; |
|---|
| 2780 | } |
|---|
| 2781 | |
|---|
| 2782 | /** |
|---|
| 2783 | * @access private |
|---|
| 2784 | */ |
|---|
| 2785 | function _id2uid($id, $mbox_name=NULL) |
|---|
| 2786 | { |
|---|
| 2787 | if (!$mbox_name) |
|---|
| 2788 | $mbox_name = $this->mailbox; |
|---|
| 2789 | |
|---|
| 2790 | $index = array_flip((array)$this->uid_id_map[$mbox_name]); |
|---|
| 2791 | if (isset($index[$id])) |
|---|
| 2792 | $uid = $index[$id]; |
|---|
| 2793 | else |
|---|
| 2794 | { |
|---|
| 2795 | $uid = iil_C_ID2UID($this->conn, $mbox_name, $id); |
|---|
| 2796 | $this->uid_id_map[$mbox_name][$uid] = $id; |
|---|
| 2797 | } |
|---|
| 2798 | |
|---|
| 2799 | return $uid; |
|---|
| 2800 | } |
|---|
| 2801 | |
|---|
| 2802 | |
|---|
| 2803 | /** |
|---|
| 2804 | * Subscribe/unsubscribe a list of mailboxes and update local cache |
|---|
| 2805 | * @access private |
|---|
| 2806 | */ |
|---|
| 2807 | function _change_subscription($a_mboxes, $mode) |
|---|
| 2808 | { |
|---|
| 2809 | $updated = FALSE; |
|---|
| 2810 | |
|---|
| 2811 | if (is_array($a_mboxes)) |
|---|
| 2812 | foreach ($a_mboxes as $i => $mbox_name) |
|---|
| 2813 | { |
|---|
| 2814 | $mailbox = $this->_mod_mailbox($mbox_name); |
|---|
| 2815 | $a_mboxes[$i] = $mailbox; |
|---|
| 2816 | |
|---|
| 2817 | if ($mode=='subscribe') |
|---|
| 2818 | $result = iil_C_Subscribe($this->conn, $mailbox); |
|---|
| 2819 | else if ($mode=='unsubscribe') |
|---|
| 2820 | $result = iil_C_UnSubscribe($this->conn, $mailbox); |
|---|
| 2821 | |
|---|
| 2822 | if ($result>=0) |
|---|
| 2823 | $updated = TRUE; |
|---|
| 2824 | } |
|---|
| 2825 | |
|---|
| 2826 | // get cached mailbox list |
|---|
| 2827 | if ($updated) |
|---|
| 2828 | { |
|---|
| 2829 | $a_mailbox_cache = $this->get_cache('mailboxes'); |
|---|
| 2830 | if (!is_array($a_mailbox_cache)) |
|---|
| 2831 | return $updated; |
|---|
| 2832 | |
|---|
| 2833 | // modify cached list |
|---|
| 2834 | if ($mode=='subscribe') |
|---|
| 2835 | $a_mailbox_cache = array_merge($a_mailbox_cache, $a_mboxes); |
|---|
| 2836 | else if ($mode=='unsubscribe') |
|---|
| 2837 | $a_mailbox_cache = array_diff($a_mailbox_cache, $a_mboxes); |
|---|
| 2838 | |
|---|
| 2839 | // write mailboxlist to cache |
|---|
| 2840 | $this->update_cache('mailboxes', $this->_sort_mailbox_list($a_mailbox_cache)); |
|---|
| 2841 | } |
|---|
| 2842 | |
|---|
| 2843 | return $updated; |
|---|
| 2844 | } |
|---|
| 2845 | |
|---|
| 2846 | |
|---|
| 2847 | /** |
|---|
| 2848 | * Increde/decrese messagecount for a specific mailbox |
|---|
| 2849 | * @access private |
|---|
| 2850 | */ |
|---|
| 2851 | function _set_messagecount($mbox_name, $mode, $increment) |
|---|
| 2852 | { |
|---|
| 2853 | $a_mailbox_cache = FALSE; |
|---|
| 2854 | $mailbox = $mbox_name ? $mbox_name : $this->mailbox; |
|---|
| 2855 | $mode = strtoupper($mode); |
|---|
| 2856 | |
|---|
| 2857 | $a_mailbox_cache = $this->get_cache('messagecount'); |
|---|
| 2858 | |
|---|
| 2859 | if (!is_array($a_mailbox_cache[$mailbox]) || !isset($a_mailbox_cache[$mailbox][$mode]) || !is_numeric($increment)) |
|---|
| 2860 | return FALSE; |
|---|
| 2861 | |
|---|
| 2862 | // add incremental value to messagecount |
|---|
| 2863 | $a_mailbox_cache[$mailbox][$mode] += $increment; |
|---|
| 2864 | |
|---|
| 2865 | // there's something wrong, delete from cache |
|---|
| 2866 | if ($a_mailbox_cache[$mailbox][$mode] < 0) |
|---|
| 2867 | unset($a_mailbox_cache[$mailbox][$mode]); |
|---|
| 2868 | |
|---|
| 2869 | // write back to cache |
|---|
| 2870 | $this->update_cache('messagecount', $a_mailbox_cache); |
|---|
| 2871 | |
|---|
| 2872 | return TRUE; |
|---|
| 2873 | } |
|---|
| 2874 | |
|---|
| 2875 | |
|---|
| 2876 | /** |
|---|
| 2877 | * Remove messagecount of a specific mailbox from cache |
|---|
| 2878 | * @access private |
|---|
| 2879 | */ |
|---|
| 2880 | function _clear_messagecount($mbox_name='') |
|---|
| 2881 | { |
|---|
| 2882 | $a_mailbox_cache = FALSE; |
|---|
| 2883 | $mailbox = $mbox_name ? $mbox_name : $this->mailbox; |
|---|
| 2884 | |
|---|
| 2885 | $a_mailbox_cache = $this->get_cache('messagecount'); |
|---|
| 2886 | |
|---|
| 2887 | if (is_array($a_mailbox_cache[$mailbox])) |
|---|
| 2888 | { |
|---|
| 2889 | unset($a_mailbox_cache[$mailbox]); |
|---|
| 2890 | $this->update_cache('messagecount', $a_mailbox_cache); |
|---|
| 2891 | } |
|---|
| 2892 | } |
|---|
| 2893 | |
|---|
| 2894 | |
|---|
| 2895 | /** |
|---|
| 2896 | * Split RFC822 header string into an associative array |
|---|
| 2897 | * @access private |
|---|
| 2898 | */ |
|---|
| 2899 | function _parse_headers($headers) |
|---|
| 2900 | { |
|---|
| 2901 | $a_headers = array(); |
|---|
| 2902 | $lines = explode("\n", $headers); |
|---|
| 2903 | $c = count($lines); |
|---|
| 2904 | for ($i=0; $i<$c; $i++) |
|---|
| 2905 | { |
|---|
| 2906 | if ($p = strpos($lines[$i], ': ')) |
|---|
| 2907 | { |
|---|
| 2908 | $field = strtolower(substr($lines[$i], 0, $p)); |
|---|
| 2909 | $value = trim(substr($lines[$i], $p+1)); |
|---|
| 2910 | if (!empty($value)) |
|---|
| 2911 | $a_headers[$field] = $value; |
|---|
| 2912 | } |
|---|
| 2913 | } |
|---|
| 2914 | |
|---|
| 2915 | return $a_headers; |
|---|
| 2916 | } |
|---|
| 2917 | |
|---|
| 2918 | |
|---|
| 2919 | /** |
|---|
| 2920 | * @access private |
|---|
| 2921 | */ |
|---|
| 2922 | function _parse_address_list($str, $decode=true) |
|---|
| 2923 | { |
|---|
| 2924 | // remove any newlines and carriage returns before |
|---|
| 2925 | $a = $this->_explode_quoted_string('[,;]', preg_replace( "/[\r\n]/", " ", $str)); |
|---|
| 2926 | $result = array(); |
|---|
| 2927 | |
|---|
| 2928 | foreach ($a as $key => $val) |
|---|
| 2929 | { |
|---|
| 2930 | $val = preg_replace("/([\"\w])</", "$1 <", $val); |
|---|
| 2931 | $sub_a = $this->_explode_quoted_string(' ', $decode ? $this->decode_header($val) : $val); |
|---|
| 2932 | $result[$key]['name'] = ''; |
|---|
| 2933 | |
|---|
| 2934 | foreach ($sub_a as $k => $v) |
|---|
| 2935 | { |
|---|
| 2936 | if (strpos($v, '@') > 0) |
|---|
| 2937 | $result[$key]['address'] = str_replace('<', '', str_replace('>', '', $v)); |
|---|
| 2938 | else |
|---|
| 2939 | $result[$key]['name'] .= (empty($result[$key]['name'])?'':' ').str_replace("\"",'',stripslashes($v)); |
|---|
| 2940 | } |
|---|
| 2941 | |
|---|
| 2942 | if (empty($result[$key]['name'])) |
|---|
| 2943 | $result[$key]['name'] = $result[$key]['address']; |
|---|
| 2944 | } |
|---|
| 2945 | |
|---|
| 2946 | return $result; |
|---|
| 2947 | } |
|---|
| 2948 | |
|---|
| 2949 | |
|---|
| 2950 | /** |
|---|
| 2951 | * @access private |
|---|
| 2952 | */ |
|---|
| 2953 | function _explode_quoted_string($delimiter, $string) |
|---|
| 2954 | { |
|---|
| 2955 | $result = array(); |
|---|
| 2956 | $strlen = strlen($string); |
|---|
| 2957 | for ($q=$p=$i=0; $i < $strlen; $i++) |
|---|
| 2958 | { |
|---|
| 2959 | if ($string{$i} == "\"" && $string{$i-1} != "\\") |
|---|
| 2960 | $q = $q ? false : true; |
|---|
| 2961 | else if (!$q && preg_match("/$delimiter/", $string{$i})) |
|---|
| 2962 | { |
|---|
| 2963 | $result[] = substr($string, $p, $i - $p); |
|---|
| 2964 | $p = $i + 1; |
|---|
| 2965 | } |
|---|
| 2966 | } |
|---|
| 2967 | |
|---|
| 2968 | $result[] = substr($string, $p); |
|---|
| 2969 | return $result; |
|---|
| 2970 | } |
|---|
| 2971 | |
|---|
| 2972 | } // end class rcube_imap |
|---|
| 2973 | |
|---|
| 2974 | |
|---|
| 2975 | /** |
|---|
| 2976 | * Class representing a message part |
|---|
| 2977 | * |
|---|
| 2978 | * @package Mail |
|---|
| 2979 | */ |
|---|
| 2980 | class rcube_message_part |
|---|
| 2981 | { |
|---|
| 2982 | var $mime_id = ''; |
|---|
| 2983 | var $ctype_primary = 'text'; |
|---|
| 2984 | var $ctype_secondary = 'plain'; |
|---|
| 2985 | var $mimetype = 'text/plain'; |
|---|
| 2986 | var $disposition = ''; |
|---|
| 2987 | var $filename = ''; |
|---|
| 2988 | var $encoding = '8bit'; |
|---|
| 2989 | var $charset = ''; |
|---|
| 2990 | var $size = 0; |
|---|
| 2991 | var $headers = array(); |
|---|
| 2992 | var $d_parameters = array(); |
|---|
| 2993 | var $ctype_parameters = array(); |
|---|
| 2994 | |
|---|
| 2995 | } |
|---|
| 2996 | |
|---|
| 2997 | |
|---|
| 2998 | /** |
|---|
| 2999 | * Class for sorting an array of iilBasicHeader objects in a predetermined order. |
|---|
| 3000 | * |
|---|
| 3001 | * @package Mail |
|---|
| 3002 | * @author Eric Stadtherr |
|---|
| 3003 | */ |
|---|
| 3004 | class rcube_header_sorter |
|---|
| 3005 | { |
|---|
| 3006 | var $sequence_numbers = array(); |
|---|
| 3007 | |
|---|
| 3008 | /** |
|---|
| 3009 | * Set the predetermined sort order. |
|---|
| 3010 | * |
|---|
| 3011 | * @param array Numerically indexed array of IMAP message sequence numbers |
|---|
| 3012 | */ |
|---|
| 3013 | function set_sequence_numbers($seqnums) |
|---|
| 3014 | { |
|---|
| 3015 | $this->sequence_numbers = array_flip($seqnums); |
|---|
| 3016 | } |
|---|
| 3017 | |
|---|
| 3018 | /** |
|---|
| 3019 | * Sort the array of header objects |
|---|
| 3020 | * |
|---|
| 3021 | * @param array Array of iilBasicHeader objects indexed by UID |
|---|
| 3022 | */ |
|---|
| 3023 | function sort_headers(&$headers) |
|---|
| 3024 | { |
|---|
| 3025 | /* |
|---|
| 3026 | * uksort would work if the keys were the sequence number, but unfortunately |
|---|
| 3027 | * the keys are the UIDs. We'll use uasort instead and dereference the value |
|---|
| 3028 | * to get the sequence number (in the "id" field). |
|---|
| 3029 | * |
|---|
| 3030 | * uksort($headers, array($this, "compare_seqnums")); |
|---|
| 3031 | */ |
|---|
| 3032 | uasort($headers, array($this, "compare_seqnums")); |
|---|
| 3033 | } |
|---|
| 3034 | |
|---|
| 3035 | /** |
|---|
| 3036 | * Sort method called by uasort() |
|---|
| 3037 | */ |
|---|
| 3038 | function compare_seqnums($a, $b) |
|---|
| 3039 | { |
|---|
| 3040 | // First get the sequence number from the header object (the 'id' field). |
|---|
| 3041 | $seqa = $a->id; |
|---|
| 3042 | $seqb = $b->id; |
|---|
| 3043 | |
|---|
| 3044 | // then find each sequence number in my ordered list |
|---|
| 3045 | $posa = isset($this->sequence_numbers[$seqa]) ? intval($this->sequence_numbers[$seqa]) : -1; |
|---|
| 3046 | $posb = isset($this->sequence_numbers[$seqb]) ? intval($this->sequence_numbers[$seqb]) : -1; |
|---|
| 3047 | |
|---|
| 3048 | // return the relative position as the comparison value |
|---|
| 3049 | return $posa - $posb; |
|---|
| 3050 | } |
|---|
| 3051 | } |
|---|
| 3052 | |
|---|
| 3053 | |
|---|
| 3054 | /** |
|---|
| 3055 | * Add quoted-printable encoding to a given string |
|---|
| 3056 | * |
|---|
| 3057 | * @param string String to encode |
|---|
| 3058 | * @param int Add new line after this number of characters |
|---|
| 3059 | * @param boolean True if spaces should be converted into =20 |
|---|
| 3060 | * @return string Encoded string |
|---|
| 3061 | */ |
|---|
| 3062 | function quoted_printable_encode($input, $line_max=76, $space_conv=false) |
|---|
| 3063 | { |
|---|
| 3064 | $hex = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'); |
|---|
| 3065 | $lines = preg_split("/(?:\r\n|\r|\n)/", $input); |
|---|
| 3066 | $eol = "\r\n"; |
|---|
| 3067 | $escape = "="; |
|---|
| 3068 | $output = ""; |
|---|
| 3069 | |
|---|
| 3070 | while( list(, $line) = each($lines)) |
|---|
| 3071 | { |
|---|
| 3072 | //$line = rtrim($line); // remove trailing white space -> no =20\r\n necessary |
|---|
| 3073 | $linlen = strlen($line); |
|---|
| 3074 | $newline = ""; |
|---|
| 3075 | for($i = 0; $i < $linlen; $i++) |
|---|
| 3076 | { |
|---|
| 3077 | $c = substr( $line, $i, 1 ); |
|---|
| 3078 | $dec = ord( $c ); |
|---|
| 3079 | if ( ( $i == 0 ) && ( $dec == 46 ) ) // convert first point in the line into =2E |
|---|
| 3080 | { |
|---|
| 3081 | $c = "=2E"; |
|---|
| 3082 | } |
|---|
| 3083 | if ( $dec == 32 ) |
|---|
| 3084 | { |
|---|
| 3085 | if ( $i == ( $linlen - 1 ) ) // convert space at eol only |
|---|
| 3086 | { |
|---|
| 3087 | $c = "=20"; |
|---|
| 3088 | } |
|---|
| 3089 | else if ( $space_conv ) |
|---|
| 3090 | { |
|---|
| 3091 | $c = "=20"; |
|---|
| 3092 | } |
|---|
| 3093 | } |
|---|
| 3094 | else if ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) // always encode "\t", which is *not* required |
|---|
| 3095 | { |
|---|
| 3096 | $h2 = floor($dec/16); |
|---|
| 3097 | $h1 = floor($dec%16); |
|---|
| 3098 | $c = $escape.$hex["$h2"].$hex["$h1"]; |
|---|
| 3099 | } |
|---|
| 3100 | |
|---|
| 3101 | if ( (strlen($newline) + strlen($c)) >= $line_max ) // CRLF is not counted |
|---|
| 3102 | { |
|---|
| 3103 | $output .= $newline.$escape.$eol; // soft line break; " =\r\n" is okay |
|---|
| 3104 | $newline = ""; |
|---|
| 3105 | // check if newline first character will be point or not |
|---|
| 3106 | if ( $dec == 46 ) |
|---|
| 3107 | { |
|---|
| 3108 | $c = "=2E"; |
|---|
| 3109 | } |
|---|
| 3110 | } |
|---|
| 3111 | $newline .= $c; |
|---|
| 3112 | } // end of for |
|---|
| 3113 | $output .= $newline.$eol; |
|---|
| 3114 | } // end of while |
|---|
| 3115 | |
|---|
| 3116 | return trim($output); |
|---|
| 3117 | } |
|---|
| 3118 | |
|---|
| 3119 | |
|---|