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1995 lines
53 KiB
PHP
1995 lines
53 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| program/include/main.inc |
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| This file is part of the Roundcube Webmail client |
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| Copyright (C) 2005-2009, The Roundcube Dev Team |
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| Licensed under the GNU GPL |
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| |
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| PURPOSE: |
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| Provide basic functions for the webmail package |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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+-----------------------------------------------------------------------+
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$Id$
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*/
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/**
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* Roundcube Webmail common functions
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*
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* @package Core
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* @author Thomas Bruederli <roundcube@gmail.com>
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*/
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require_once('lib/utf7.inc');
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require_once('include/rcube_shared.inc');
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// fallback if not PHP modules are available
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@include_once('lib/utf8.class.php');
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// define constannts for input reading
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define('RCUBE_INPUT_GET', 0x0101);
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define('RCUBE_INPUT_POST', 0x0102);
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define('RCUBE_INPUT_GPC', 0x0103);
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/**
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* Return correct name for a specific database table
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*
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* @param string Table name
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* @return string Translated table name
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*/
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function get_table_name($table)
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{
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global $CONFIG;
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// return table name if configured
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$config_key = 'db_table_'.$table;
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if (strlen($CONFIG[$config_key]))
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return $CONFIG[$config_key];
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return $table;
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}
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/**
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* Return correct name for a specific database sequence
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* (used for Postgres only)
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*
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* @param string Secuence name
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* @return string Translated sequence name
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*/
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function get_sequence_name($sequence)
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{
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// return sequence name if configured
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$config_key = 'db_sequence_'.$sequence;
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$opt = rcmail::get_instance()->config->get($config_key);
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if (!empty($opt))
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return $opt;
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return $sequence;
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}
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/**
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* Get localized text in the desired language
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* It's a global wrapper for rcmail::gettext()
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*
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* @param mixed Named parameters array or label name
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* @return string Localized text
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* @see rcmail::gettext()
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*/
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function rcube_label($p, $domain=null)
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{
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return rcmail::get_instance()->gettext($p, $domain);
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}
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/**
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* Overwrite action variable
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*
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* @param string New action value
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*/
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function rcmail_overwrite_action($action)
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{
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$app = rcmail::get_instance();
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$app->action = $action;
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$app->output->set_env('action', $action);
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}
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/**
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* Compose an URL for a specific action
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*
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* @param string Request action
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* @param array More URL parameters
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* @param string Request task (omit if the same)
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* @return The application URL
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*/
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function rcmail_url($action, $p=array(), $task=null)
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{
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$app = rcmail::get_instance();
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return $app->url((array)$p + array('_action' => $action, 'task' => $task));
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}
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/**
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* Garbage collector function for temp files.
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* Remove temp files older than two days
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*/
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function rcmail_temp_gc()
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{
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$rcmail = rcmail::get_instance();
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$tmp = unslashify($rcmail->config->get('temp_dir'));
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$expire = mktime() - 172800; // expire in 48 hours
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if ($dir = opendir($tmp))
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{
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while (($fname = readdir($dir)) !== false)
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{
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if ($fname{0} == '.')
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continue;
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if (filemtime($tmp.'/'.$fname) < $expire)
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@unlink($tmp.'/'.$fname);
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}
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closedir($dir);
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}
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}
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/**
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* Garbage collector for cache entries.
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* Remove all expired message cache records
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* @return void
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*/
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function rcmail_cache_gc()
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{
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$rcmail = rcmail::get_instance();
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$db = $rcmail->get_dbh();
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// get target timestamp
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$ts = get_offset_time($rcmail->config->get('message_cache_lifetime', '30d'), -1);
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$db->query("DELETE FROM ".get_table_name('messages')."
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WHERE created < " . $db->fromunixtime($ts));
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$db->query("DELETE FROM ".get_table_name('cache')."
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WHERE created < " . $db->fromunixtime($ts));
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}
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/**
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* Catch an error and throw an exception.
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*
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* @param int Level of the error
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* @param string Error message
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*/
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function rcube_error_handler($errno, $errstr)
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{
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throw new ErrorException($errstr, 0, $errno);
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}
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/**
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* Convert a string from one charset to another.
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* Uses mbstring and iconv functions if possible
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*
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* @param string Input string
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* @param string Suspected charset of the input string
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* @param string Target charset to convert to; defaults to RCMAIL_CHARSET
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* @return string Converted string
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*/
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function rcube_charset_convert($str, $from, $to=NULL)
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{
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static $iconv_options = null;
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static $mbstring_loaded = null;
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static $mbstring_list = null;
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static $convert_warning = false;
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static $conv = null;
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$error = false;
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$to = empty($to) ? strtoupper(RCMAIL_CHARSET) : rcube_parse_charset($to);
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$from = rcube_parse_charset($from);
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if ($from == $to || empty($str) || empty($from))
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return $str;
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// convert charset using iconv module
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if (function_exists('iconv') && $from != 'UTF7-IMAP' && $to != 'UTF7-IMAP') {
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if ($iconv_options === null) {
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// ignore characters not available in output charset
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$iconv_options = '//IGNORE';
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if (iconv('', $iconv_options, '') === false) {
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// iconv implementation does not support options
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$iconv_options = '';
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}
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}
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// throw an exception if iconv reports an illegal character in input
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// it means that input string has been truncated
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set_error_handler('rcube_error_handler', E_NOTICE);
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try {
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$_iconv = iconv($from, $to . $iconv_options, $str);
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} catch (ErrorException $e) {
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$_iconv = false;
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}
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restore_error_handler();
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if ($_iconv !== false) {
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return $_iconv;
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}
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}
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if ($mbstring_loaded === null)
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$mbstring_loaded = extension_loaded('mbstring');
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// convert charset using mbstring module
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if ($mbstring_loaded) {
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$aliases['WINDOWS-1257'] = 'ISO-8859-13';
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if ($mbstring_list === null) {
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$mbstring_list = mb_list_encodings();
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$mbstring_list = array_map('strtoupper', $mbstring_list);
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}
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$mb_from = $aliases[$from] ? $aliases[$from] : $from;
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$mb_to = $aliases[$to] ? $aliases[$to] : $to;
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// return if encoding found, string matches encoding and convert succeeded
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if (in_array($mb_from, $mbstring_list) && in_array($mb_to, $mbstring_list)) {
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if (mb_check_encoding($str, $mb_from) && ($out = mb_convert_encoding($str, $mb_to, $mb_from)))
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return $out;
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}
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}
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// convert charset using bundled classes/functions
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if ($to == 'UTF-8') {
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if ($from == 'UTF7-IMAP') {
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if ($_str = utf7_to_utf8($str))
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return $_str;
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}
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else if ($from == 'UTF-7') {
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if ($_str = rcube_utf7_to_utf8($str))
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return $_str;
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}
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else if (($from == 'ISO-8859-1') && function_exists('utf8_encode')) {
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return utf8_encode($str);
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}
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else if (class_exists('utf8')) {
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if (!$conv)
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$conv = new utf8($from);
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else
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$conv->loadCharset($from);
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if($_str = $conv->strToUtf8($str))
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return $_str;
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}
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$error = true;
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}
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// encode string for output
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if ($from == 'UTF-8') {
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// @TODO: we need a function for UTF-7 (RFC2152) conversion
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if ($to == 'UTF7-IMAP' || $to == 'UTF-7') {
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if ($_str = utf8_to_utf7($str))
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return $_str;
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}
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else if ($to == 'ISO-8859-1' && function_exists('utf8_decode')) {
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return utf8_decode($str);
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}
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else if (class_exists('utf8')) {
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if (!$conv)
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$conv = new utf8($to);
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else
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$conv->loadCharset($from);
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if ($_str = $conv->strToUtf8($str))
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return $_str;
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}
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$error = true;
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}
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// report error
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if ($error && !$convert_warning) {
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raise_error(array(
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'code' => 500,
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'type' => 'php',
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'file' => __FILE__,
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'line' => __LINE__,
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'message' => "Could not convert string from $from to $to. Make sure iconv/mbstring is installed or lib/utf8.class is available."
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), true, false);
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$convert_warning = true;
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}
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// return UTF-8 or original string
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return $str;
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}
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/**
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* Parse and validate charset name string (see #1485758).
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* Sometimes charset string is malformed, there are also charset aliases
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* but we need strict names for charset conversion (specially utf8 class)
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*
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* @param string Input charset name
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* @return string The validated charset name
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*/
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function rcube_parse_charset($input)
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{
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static $charsets = array();
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$charset = strtoupper($input);
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if (isset($charsets[$input]))
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return $charsets[$input];
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$charset = preg_replace(array(
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'/^[^0-9A-Z]+/', // e.g. _ISO-8859-JP$SIO
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'/\$.*$/', // e.g. _ISO-8859-JP$SIO
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'/UNICODE-1-1-*/', // RFC1641/1642
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'/^X-/', // X- prefix (e.g. X-ROMAN8 => ROMAN8)
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), '', $charset);
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if ($charset == 'BINARY')
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return $charsets[$input] = null;
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# Aliases: some of them from HTML5 spec.
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$aliases = array(
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'USASCII' => 'WINDOWS-1252',
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'ANSIX31101983' => 'WINDOWS-1252',
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'ANSIX341968' => 'WINDOWS-1252',
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'UNKNOWN8BIT' => 'ISO-8859-15',
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'UNKNOWN' => 'ISO-8859-15',
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'USERDEFINED' => 'ISO-8859-15',
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'KSC56011987' => 'EUC-KR',
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'GB2312' => 'GBK',
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'GB231280' => 'GBK',
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'UNICODE' => 'UTF-8',
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'UTF7IMAP' => 'UTF7-IMAP',
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'TIS620' => 'WINDOWS-874',
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'ISO88599' => 'WINDOWS-1254',
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'ISO885911' => 'WINDOWS-874',
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'MACROMAN' => 'MACINTOSH',
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'77' => 'MAC',
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'128' => 'SHIFT-JIS',
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'129' => 'CP949',
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'130' => 'CP1361',
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'134' => 'GBK',
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'136' => 'BIG5',
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'161' => 'WINDOWS-1253',
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'162' => 'WINDOWS-1254',
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'163' => 'WINDOWS-1258',
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'177' => 'WINDOWS-1255',
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'178' => 'WINDOWS-1256',
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'186' => 'WINDOWS-1257',
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'204' => 'WINDOWS-1251',
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'222' => 'WINDOWS-874',
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'238' => 'WINDOWS-1250',
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'MS950' => 'CP950',
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'WINDOWS949' => 'UHC',
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);
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// allow A-Z and 0-9 only
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$str = preg_replace('/[^A-Z0-9]/', '', $charset);
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if (isset($aliases[$str]))
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$result = $aliases[$str];
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// UTF
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else if (preg_match('/U[A-Z][A-Z](7|8|16|32)(BE|LE)*/', $str, $m))
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$result = 'UTF-' . $m[1] . $m[2];
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// ISO-8859
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else if (preg_match('/ISO8859([0-9]{0,2})/', $str, $m)) {
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$iso = 'ISO-8859-' . ($m[1] ? $m[1] : 1);
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// some clients sends windows-1252 text as latin1,
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// it is safe to use windows-1252 for all latin1
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$result = $iso == 'ISO-8859-1' ? 'WINDOWS-1252' : $iso;
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}
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// handle broken charset names e.g. WINDOWS-1250HTTP-EQUIVCONTENT-TYPE
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else if (preg_match('/(WIN|WINDOWS)([0-9]+)/', $str, $m)) {
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$result = 'WINDOWS-' . $m[2];
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}
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// LATIN
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else if (preg_match('/LATIN(.*)/', $str, $m)) {
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$aliases = array('2' => 2, '3' => 3, '4' => 4, '5' => 9, '6' => 10,
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'7' => 13, '8' => 14, '9' => 15, '10' => 16,
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'ARABIC' => 6, 'CYRILLIC' => 5, 'GREEK' => 7, 'GREEK1' => 7, 'HEBREW' => 8);
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// some clients sends windows-1252 text as latin1,
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// it is safe to use windows-1252 for all latin1
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if ($m[1] == 1) {
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$result = 'WINDOWS-1252';
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}
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// if iconv is not supported we need ISO labels, it's also safe for iconv
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else if (!empty($aliases[$m[1]])) {
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$result = 'ISO-8859-'.$aliases[$m[1]];
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}
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// iconv requires convertion of e.g. LATIN-1 to LATIN1
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else {
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$result = $str;
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}
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}
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else {
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$result = $charset;
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}
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$charsets[$input] = $result;
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return $result;
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}
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/**
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* Converts string from standard UTF-7 (RFC 2152) to UTF-8.
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*
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* @param string Input string
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* @return string The converted string
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*/
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function rcube_utf7_to_utf8($str)
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{
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$Index_64 = array(
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0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0, 0,0,0,1, 0,0,0,0,
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1,1,1,1, 1,1,1,1, 1,1,0,0, 0,0,0,0,
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0,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1,
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1,1,1,1, 1,1,1,1, 1,1,1,0, 0,0,0,0,
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0,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1,
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1,1,1,1, 1,1,1,1, 1,1,1,0, 0,0,0,0,
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);
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$u7len = strlen($str);
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$str = strval($str);
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$res = '';
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for ($i=0; $u7len > 0; $i++, $u7len--)
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{
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$u7 = $str[$i];
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if ($u7 == '+')
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{
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$i++;
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$u7len--;
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$ch = '';
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for (; $u7len > 0; $i++, $u7len--)
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{
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$u7 = $str[$i];
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if (!$Index_64[ord($u7)])
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break;
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$ch .= $u7;
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}
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if ($ch == '') {
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if ($u7 == '-')
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$res .= '+';
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continue;
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}
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$res .= rcube_utf16_to_utf8(base64_decode($ch));
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}
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else
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{
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$res .= $u7;
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}
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}
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return $res;
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}
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/**
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* Converts string from UTF-16 to UTF-8 (helper for utf-7 to utf-8 conversion)
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*
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* @param string Input string
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* @return string The converted string
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*/
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function rcube_utf16_to_utf8($str)
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{
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$len = strlen($str);
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$dec = '';
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for ($i = 0; $i < $len; $i += 2) {
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$c = ord($str[$i]) << 8 | ord($str[$i + 1]);
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if ($c >= 0x0001 && $c <= 0x007F) {
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$dec .= chr($c);
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} else if ($c > 0x07FF) {
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$dec .= chr(0xE0 | (($c >> 12) & 0x0F));
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$dec .= chr(0x80 | (($c >> 6) & 0x3F));
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$dec .= chr(0x80 | (($c >> 0) & 0x3F));
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} else {
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$dec .= chr(0xC0 | (($c >> 6) & 0x1F));
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$dec .= chr(0x80 | (($c >> 0) & 0x3F));
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}
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}
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return $dec;
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}
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|
|
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/**
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* Replacing specials characters to a specific encoding type
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|
*
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|
* @param string Input string
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|
* @param string Encoding type: text|html|xml|js|url
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|
* @param string Replace mode for tags: show|replace|remove
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|
* @param boolean Convert newlines
|
|
* @return string The quoted string
|
|
*/
|
|
function rep_specialchars_output($str, $enctype='', $mode='', $newlines=TRUE)
|
|
{
|
|
static $html_encode_arr = false;
|
|
static $js_rep_table = false;
|
|
static $xml_rep_table = false;
|
|
|
|
if (!$enctype)
|
|
$enctype = $OUTPUT->type;
|
|
|
|
// encode for HTML output
|
|
if ($enctype=='html')
|
|
{
|
|
if (!$html_encode_arr)
|
|
{
|
|
$html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS);
|
|
unset($html_encode_arr['?']);
|
|
}
|
|
|
|
$ltpos = strpos($str, '<');
|
|
$encode_arr = $html_encode_arr;
|
|
|
|
// don't replace quotes and html tags
|
|
if (($mode=='show' || $mode=='') && $ltpos!==false && strpos($str, '>', $ltpos)!==false)
|
|
{
|
|
unset($encode_arr['"']);
|
|
unset($encode_arr['<']);
|
|
unset($encode_arr['>']);
|
|
unset($encode_arr['&']);
|
|
}
|
|
else if ($mode=='remove')
|
|
$str = strip_tags($str);
|
|
|
|
$out = strtr($str, $encode_arr);
|
|
|
|
// avoid douple quotation of &
|
|
$out = preg_replace('/&([A-Za-z]{2,6}|#[0-9]{2,4});/', '&\\1;', $out);
|
|
|
|
return $newlines ? nl2br($out) : $out;
|
|
}
|
|
|
|
// if the replace tables for XML and JS are not yet defined
|
|
if ($js_rep_table===false)
|
|
{
|
|
$js_rep_table = $xml_rep_table = array();
|
|
$xml_rep_table['&'] = '&';
|
|
|
|
for ($c=160; $c<256; $c++) // can be increased to support more charsets
|
|
$xml_rep_table[chr($c)] = "&#$c;";
|
|
|
|
$xml_rep_table['"'] = '"';
|
|
$js_rep_table['"'] = '\\"';
|
|
$js_rep_table["'"] = "\\'";
|
|
$js_rep_table["\\"] = "\\\\";
|
|
// Unicode line and paragraph separators (#1486310)
|
|
$js_rep_table[chr(hexdec(E2)).chr(hexdec(80)).chr(hexdec(A8))] = '
';
|
|
$js_rep_table[chr(hexdec(E2)).chr(hexdec(80)).chr(hexdec(A9))] = '
';
|
|
}
|
|
|
|
// encode for javascript use
|
|
if ($enctype=='js')
|
|
return preg_replace(array("/\r?\n/", "/\r/", '/<\\//'), array('\n', '\n', '<\\/'), strtr($str, $js_rep_table));
|
|
|
|
// encode for plaintext
|
|
if ($enctype=='text')
|
|
return str_replace("\r\n", "\n", $mode=='remove' ? strip_tags($str) : $str);
|
|
|
|
if ($enctype=='url')
|
|
return rawurlencode($str);
|
|
|
|
// encode for XML
|
|
if ($enctype=='xml')
|
|
return strtr($str, $xml_rep_table);
|
|
|
|
// no encoding given -> return original string
|
|
return $str;
|
|
}
|
|
|
|
/**
|
|
* Quote a given string.
|
|
* Shortcut function for rep_specialchars_output
|
|
*
|
|
* @return string HTML-quoted string
|
|
* @see rep_specialchars_output()
|
|
*/
|
|
function Q($str, $mode='strict', $newlines=TRUE)
|
|
{
|
|
return rep_specialchars_output($str, 'html', $mode, $newlines);
|
|
}
|
|
|
|
/**
|
|
* Quote a given string for javascript output.
|
|
* Shortcut function for rep_specialchars_output
|
|
*
|
|
* @return string JS-quoted string
|
|
* @see rep_specialchars_output()
|
|
*/
|
|
function JQ($str)
|
|
{
|
|
return rep_specialchars_output($str, 'js');
|
|
}
|
|
|
|
|
|
/**
|
|
* Read input value and convert it for internal use
|
|
* Performs stripslashes() and charset conversion if necessary
|
|
*
|
|
* @param string Field name to read
|
|
* @param int Source to get value from (GPC)
|
|
* @param boolean Allow HTML tags in field value
|
|
* @param string Charset to convert into
|
|
* @return string Field value or NULL if not available
|
|
*/
|
|
function get_input_value($fname, $source, $allow_html=FALSE, $charset=NULL)
|
|
{
|
|
$value = NULL;
|
|
|
|
if ($source==RCUBE_INPUT_GET && isset($_GET[$fname]))
|
|
$value = $_GET[$fname];
|
|
else if ($source==RCUBE_INPUT_POST && isset($_POST[$fname]))
|
|
$value = $_POST[$fname];
|
|
else if ($source==RCUBE_INPUT_GPC)
|
|
{
|
|
if (isset($_POST[$fname]))
|
|
$value = $_POST[$fname];
|
|
else if (isset($_GET[$fname]))
|
|
$value = $_GET[$fname];
|
|
else if (isset($_COOKIE[$fname]))
|
|
$value = $_COOKIE[$fname];
|
|
}
|
|
|
|
return parse_input_value($value, $allow_html, $charset);
|
|
}
|
|
|
|
/**
|
|
* Parse/validate input value. See get_input_value()
|
|
* Performs stripslashes() and charset conversion if necessary
|
|
*
|
|
* @param string Input value
|
|
* @param boolean Allow HTML tags in field value
|
|
* @param string Charset to convert into
|
|
* @return string Parsed value
|
|
*/
|
|
function parse_input_value($value, $allow_html=FALSE, $charset=NULL)
|
|
{
|
|
global $OUTPUT;
|
|
|
|
if (empty($value))
|
|
return $value;
|
|
|
|
if (is_array($value)) {
|
|
foreach ($value as $idx => $val)
|
|
$value[$idx] = parse_input_value($val, $allow_html, $charset);
|
|
return $value;
|
|
}
|
|
|
|
// strip single quotes if magic_quotes_sybase is enabled
|
|
if (ini_get('magic_quotes_sybase'))
|
|
$value = str_replace("''", "'", $value);
|
|
// strip slashes if magic_quotes enabled
|
|
else if (get_magic_quotes_gpc() || get_magic_quotes_runtime())
|
|
$value = stripslashes($value);
|
|
|
|
// remove HTML tags if not allowed
|
|
if (!$allow_html)
|
|
$value = strip_tags($value);
|
|
|
|
// convert to internal charset
|
|
if (is_object($OUTPUT) && $charset)
|
|
return rcube_charset_convert($value, $OUTPUT->get_charset(), $charset);
|
|
else
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Convert array of request parameters (prefixed with _)
|
|
* to a regular array with non-prefixed keys.
|
|
*
|
|
* @param int Source to get value from (GPC)
|
|
* @return array Hash array with all request parameters
|
|
*/
|
|
function request2param($mode = RCUBE_INPUT_GPC)
|
|
{
|
|
$out = array();
|
|
$src = $mode == RCUBE_INPUT_GET ? $_GET : ($mode == RCUBE_INPUT_POST ? $_POST : $_REQUEST);
|
|
foreach ($src as $key => $value) {
|
|
$fname = $key[0] == '_' ? substr($key, 1) : $key;
|
|
$out[$fname] = get_input_value($key, $mode);
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Remove all non-ascii and non-word chars
|
|
* except ., -, _
|
|
*/
|
|
function asciiwords($str, $css_id = false, $replace_with = '')
|
|
{
|
|
$allowed = 'a-z0-9\_\-' . (!$css_id ? '\.' : '');
|
|
return preg_replace("/[^$allowed]/i", $replace_with, $str);
|
|
}
|
|
|
|
/**
|
|
* Remove single and double quotes from given string
|
|
*
|
|
* @param string Input value
|
|
* @return string Dequoted string
|
|
*/
|
|
function strip_quotes($str)
|
|
{
|
|
return str_replace(array("'", '"'), '', $str);
|
|
}
|
|
|
|
|
|
/**
|
|
* Remove new lines characters from given string
|
|
*
|
|
* @param string Input value
|
|
* @return string Stripped string
|
|
*/
|
|
function strip_newlines($str)
|
|
{
|
|
return preg_replace('/[\r\n]/', '', $str);
|
|
}
|
|
|
|
|
|
/**
|
|
* Create a HTML table based on the given data
|
|
*
|
|
* @param array Named table attributes
|
|
* @param mixed Table row data. Either a two-dimensional array or a valid SQL result set
|
|
* @param array List of cols to show
|
|
* @param string Name of the identifier col
|
|
* @return string HTML table code
|
|
*/
|
|
function rcube_table_output($attrib, $table_data, $a_show_cols, $id_col)
|
|
{
|
|
global $RCMAIL;
|
|
|
|
$table = new html_table(/*array('cols' => count($a_show_cols))*/);
|
|
|
|
// add table header
|
|
if (!$attrib['noheader'])
|
|
foreach ($a_show_cols as $col)
|
|
$table->add_header($col, Q(rcube_label($col)));
|
|
|
|
$c = 0;
|
|
if (!is_array($table_data))
|
|
{
|
|
$db = $RCMAIL->get_dbh();
|
|
while ($table_data && ($sql_arr = $db->fetch_assoc($table_data)))
|
|
{
|
|
$zebra_class = $c % 2 ? 'even' : 'odd';
|
|
$table->add_row(array('id' => 'rcmrow' . $sql_arr[$id_col], 'class' => $zebra_class));
|
|
|
|
// format each col
|
|
foreach ($a_show_cols as $col)
|
|
$table->add($col, Q($sql_arr[$col]));
|
|
|
|
$c++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
foreach ($table_data as $row_data)
|
|
{
|
|
$zebra_class = $c % 2 ? 'even' : 'odd';
|
|
if (!empty($row_data['class']))
|
|
$zebra_class .= ' '.$row_data['class'];
|
|
|
|
$table->add_row(array('id' => 'rcmrow' . $row_data[$id_col], 'class' => $zebra_class));
|
|
|
|
// format each col
|
|
foreach ($a_show_cols as $col)
|
|
$table->add($col, Q(is_array($row_data[$col]) ? $row_data[$col][0] : $row_data[$col]));
|
|
|
|
$c++;
|
|
}
|
|
}
|
|
|
|
return $table->show($attrib);
|
|
}
|
|
|
|
|
|
/**
|
|
* Create an edit field for inclusion on a form
|
|
*
|
|
* @param string col field name
|
|
* @param string value field value
|
|
* @param array attrib HTML element attributes for field
|
|
* @param string type HTML element type (default 'text')
|
|
* @return string HTML field definition
|
|
*/
|
|
function rcmail_get_edit_field($col, $value, $attrib, $type='text')
|
|
{
|
|
static $colcounts = array();
|
|
|
|
$fname = '_'.$col;
|
|
$attrib['name'] = $fname . ($attrib['array'] ? '[]' : '');
|
|
$attrib['class'] = trim($attrib['class'] . ' ff_' . $col);
|
|
|
|
if ($type == 'checkbox') {
|
|
$attrib['value'] = '1';
|
|
$input = new html_checkbox($attrib);
|
|
}
|
|
else if ($type == 'textarea') {
|
|
$attrib['cols'] = $attrib['size'];
|
|
$input = new html_textarea($attrib);
|
|
}
|
|
else if ($type == 'select') {
|
|
$input = new html_select($attrib);
|
|
$input->add('---', '');
|
|
$input->add(array_values($attrib['options']), array_keys($attrib['options']));
|
|
}
|
|
else {
|
|
if ($attrib['type'] != 'text' && $attrib['type'] != 'hidden')
|
|
$attrib['type'] = 'text';
|
|
$input = new html_inputfield($attrib);
|
|
}
|
|
|
|
// use value from post
|
|
if (isset($_POST[$fname])) {
|
|
$postvalue = get_input_value($fname, RCUBE_INPUT_POST,
|
|
$type == 'textarea' && strpos($attrib['class'], 'mce_editor')!==false ? true : false);
|
|
$value = $attrib['array'] ? $postvalue[intval($colcounts[$col]++)] : $postvalue;
|
|
}
|
|
|
|
$out = $input->show($value);
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Replace all css definitions with #container [def]
|
|
* and remove css-inlined scripting
|
|
*
|
|
* @param string CSS source code
|
|
* @param string Container ID to use as prefix
|
|
* @return string Modified CSS source
|
|
*/
|
|
function rcmail_mod_css_styles($source, $container_id)
|
|
{
|
|
$last_pos = 0;
|
|
$replacements = new rcube_string_replacer;
|
|
|
|
// ignore the whole block if evil styles are detected
|
|
$stripped = preg_replace('/[^a-z\(:]/', '', rcmail_xss_entity_decode($source));
|
|
if (preg_match('/expression|behavior|url\(|import/', $stripped))
|
|
return '/* evil! */';
|
|
|
|
// remove css comments (sometimes used for some ugly hacks)
|
|
$source = preg_replace('!/\*(.+)\*/!Ums', '', $source);
|
|
|
|
// cut out all contents between { and }
|
|
while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos)))
|
|
{
|
|
$key = $replacements->add(substr($source, $pos+1, $pos2-($pos+1)));
|
|
$source = substr($source, 0, $pos+1) . $replacements->get_replacement($key) . substr($source, $pos2, strlen($source)-$pos2);
|
|
$last_pos = $pos+2;
|
|
}
|
|
|
|
// remove html comments and add #container to each tag selector.
|
|
// also replace body definition because we also stripped off the <body> tag
|
|
$styles = preg_replace(
|
|
array(
|
|
'/(^\s*<!--)|(-->\s*$)/',
|
|
'/(^\s*|,\s*|\}\s*)([a-z0-9\._#\*][a-z0-9\.\-_]*)/im',
|
|
'/'.preg_quote($container_id, '/').'\s+body/i',
|
|
),
|
|
array(
|
|
'',
|
|
"\\1#$container_id \\2",
|
|
$container_id,
|
|
),
|
|
$source);
|
|
|
|
// put block contents back in
|
|
$styles = $replacements->resolve($styles);
|
|
|
|
return $styles;
|
|
}
|
|
|
|
|
|
/**
|
|
* Decode escaped entities used by known XSS exploits.
|
|
* See http://downloads.securityfocus.com/vulnerabilities/exploits/26800.eml for examples
|
|
*
|
|
* @param string CSS content to decode
|
|
* @return string Decoded string
|
|
*/
|
|
function rcmail_xss_entity_decode($content)
|
|
{
|
|
$out = html_entity_decode(html_entity_decode($content));
|
|
$out = preg_replace_callback('/\\\([0-9a-f]{4})/i', 'rcmail_xss_entity_decode_callback', $out);
|
|
$out = preg_replace('#/\*.*\*/#Um', '', $out);
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* preg_replace_callback callback for rcmail_xss_entity_decode_callback
|
|
*
|
|
* @param array matches result from preg_replace_callback
|
|
* @return string decoded entity
|
|
*/
|
|
function rcmail_xss_entity_decode_callback($matches)
|
|
{
|
|
return chr(hexdec($matches[1]));
|
|
}
|
|
|
|
/**
|
|
* Compose a valid attribute string for HTML tags
|
|
*
|
|
* @param array Named tag attributes
|
|
* @param array List of allowed attributes
|
|
* @return string HTML formatted attribute string
|
|
*/
|
|
function create_attrib_string($attrib, $allowed_attribs=array('id', 'class', 'style'))
|
|
{
|
|
// allow the following attributes to be added to the <iframe> tag
|
|
$attrib_str = '';
|
|
foreach ($allowed_attribs as $a)
|
|
if (isset($attrib[$a]))
|
|
$attrib_str .= sprintf(' %s="%s"', $a, str_replace('"', '"', $attrib[$a]));
|
|
|
|
return $attrib_str;
|
|
}
|
|
|
|
|
|
/**
|
|
* Convert a HTML attribute string attributes to an associative array (name => value)
|
|
*
|
|
* @param string Input string
|
|
* @return array Key-value pairs of parsed attributes
|
|
*/
|
|
function parse_attrib_string($str)
|
|
{
|
|
$attrib = array();
|
|
preg_match_all('/\s*([-_a-z]+)=(["\'])??(?(2)([^\2]*)\2|(\S+?))/Ui', stripslashes($str), $regs, PREG_SET_ORDER);
|
|
|
|
// convert attributes to an associative array (name => value)
|
|
if ($regs) {
|
|
foreach ($regs as $attr) {
|
|
$attrib[strtolower($attr[1])] = html_entity_decode($attr[3] . $attr[4]);
|
|
}
|
|
}
|
|
|
|
return $attrib;
|
|
}
|
|
|
|
|
|
/**
|
|
* Improved equivalent to strtotime()
|
|
*
|
|
* @param string Date string
|
|
* @return int
|
|
*/
|
|
function rcube_strtotime($date)
|
|
{
|
|
// check for MS Outlook vCard date format YYYYMMDD
|
|
if (preg_match('/^([12][90]\d\d)([01]\d)(\d\d)$/', trim($date), $matches)) {
|
|
return mktime(0,0,0, intval($matches[2]), intval($matches[3]), intval($matches[1]));
|
|
}
|
|
else if (is_numeric($date))
|
|
return $date;
|
|
|
|
// support non-standard "GMTXXXX" literal
|
|
$date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date);
|
|
|
|
// if date parsing fails, we have a date in non-rfc format.
|
|
// remove token from the end and try again
|
|
while ((($ts = @strtotime($date)) === false) || ($ts < 0)) {
|
|
$d = explode(' ', $date);
|
|
array_pop($d);
|
|
if (!$d) break;
|
|
$date = implode(' ', $d);
|
|
}
|
|
|
|
return $ts;
|
|
}
|
|
|
|
|
|
/**
|
|
* Convert the given date to a human readable form
|
|
* This uses the date formatting properties from config
|
|
*
|
|
* @param mixed Date representation (string or timestamp)
|
|
* @param string Date format to use
|
|
* @return string Formatted date string
|
|
*/
|
|
function format_date($date, $format=NULL)
|
|
{
|
|
global $CONFIG;
|
|
|
|
$ts = NULL;
|
|
|
|
if (!empty($date))
|
|
$ts = rcube_strtotime($date);
|
|
|
|
if (empty($ts))
|
|
return '';
|
|
|
|
// get user's timezone
|
|
if ($CONFIG['timezone'] === 'auto')
|
|
$tz = isset($_SESSION['timezone']) ? $_SESSION['timezone'] : date('Z')/3600;
|
|
else {
|
|
$tz = $CONFIG['timezone'];
|
|
if ($CONFIG['dst_active'])
|
|
$tz++;
|
|
}
|
|
|
|
// convert time to user's timezone
|
|
$timestamp = $ts - date('Z', $ts) + ($tz * 3600);
|
|
|
|
// get current timestamp in user's timezone
|
|
$now = time(); // local time
|
|
$now -= (int)date('Z'); // make GMT time
|
|
$now += ($tz * 3600); // user's time
|
|
$now_date = getdate($now);
|
|
|
|
$today_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday'], $now_date['year']);
|
|
$week_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']);
|
|
|
|
// define date format depending on current time
|
|
if (!$format) {
|
|
if ($CONFIG['prettydate'] && $timestamp > $today_limit && $timestamp < $now)
|
|
return sprintf('%s %s', rcube_label('today'), date($CONFIG['date_today'] ? $CONFIG['date_today'] : 'H:i', $timestamp));
|
|
else if ($CONFIG['prettydate'] && $timestamp > $week_limit && $timestamp < $now)
|
|
$format = $CONFIG['date_short'] ? $CONFIG['date_short'] : 'D H:i';
|
|
else
|
|
$format = $CONFIG['date_long'] ? $CONFIG['date_long'] : 'd.m.Y H:i';
|
|
}
|
|
|
|
// strftime() format
|
|
if (preg_match('/%[a-z]+/i', $format))
|
|
return strftime($format, $timestamp);
|
|
|
|
// parse format string manually in order to provide localized weekday and month names
|
|
// an alternative would be to convert the date() format string to fit with strftime()
|
|
$out = '';
|
|
for($i=0; $i<strlen($format); $i++)
|
|
{
|
|
if ($format{$i}=='\\') // skip escape chars
|
|
continue;
|
|
|
|
// write char "as-is"
|
|
if ($format{$i}==' ' || $format{$i-1}=='\\')
|
|
$out .= $format{$i};
|
|
// weekday (short)
|
|
else if ($format{$i}=='D')
|
|
$out .= rcube_label(strtolower(date('D', $timestamp)));
|
|
// weekday long
|
|
else if ($format{$i}=='l')
|
|
$out .= rcube_label(strtolower(date('l', $timestamp)));
|
|
// month name (short)
|
|
else if ($format{$i}=='M')
|
|
$out .= rcube_label(strtolower(date('M', $timestamp)));
|
|
// month name (long)
|
|
else if ($format{$i}=='F')
|
|
$out .= rcube_label('long'.strtolower(date('M', $timestamp)));
|
|
else if ($format{$i}=='x')
|
|
$out .= strftime('%x %X', $timestamp);
|
|
else
|
|
$out .= date($format{$i}, $timestamp);
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Compose a valid representation of name and e-mail address
|
|
*
|
|
* @param string E-mail address
|
|
* @param string Person name
|
|
* @return string Formatted string
|
|
*/
|
|
function format_email_recipient($email, $name='')
|
|
{
|
|
if ($name && $name != $email)
|
|
{
|
|
// Special chars as defined by RFC 822 need to in quoted string (or escaped).
|
|
return sprintf('%s <%s>', preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name) ? '"'.addcslashes($name, '"').'"' : $name, trim($email));
|
|
}
|
|
else
|
|
return trim($email);
|
|
}
|
|
|
|
|
|
|
|
/****** debugging functions ********/
|
|
|
|
|
|
/**
|
|
* Print or write debug messages
|
|
*
|
|
* @param mixed Debug message or data
|
|
* @return void
|
|
*/
|
|
function console()
|
|
{
|
|
$args = func_get_args();
|
|
|
|
if (class_exists('rcmail', false)) {
|
|
$rcmail = rcmail::get_instance();
|
|
if (is_object($rcmail->plugins))
|
|
$rcmail->plugins->exec_hook('console', $args);
|
|
}
|
|
|
|
$msg = array();
|
|
foreach ($args as $arg)
|
|
$msg[] = !is_string($arg) ? var_export($arg, true) : $arg;
|
|
|
|
if (!($GLOBALS['CONFIG']['debug_level'] & 4))
|
|
write_log('console', join(";\n", $msg));
|
|
else if ($GLOBALS['OUTPUT']->ajax_call)
|
|
print "/*\n " . join(";\n", $msg) . " \n*/\n";
|
|
else
|
|
{
|
|
print '<div style="background:#eee; border:1px solid #ccc; margin-bottom:3px; padding:6px"><pre>';
|
|
print join(";<br/>\n", $msg);
|
|
print "</pre></div>\n";
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Append a line to a logfile in the logs directory.
|
|
* Date will be added automatically to the line.
|
|
*
|
|
* @param $name name of log file
|
|
* @param line Line to append
|
|
* @return void
|
|
*/
|
|
function write_log($name, $line)
|
|
{
|
|
global $CONFIG, $RCMAIL;
|
|
|
|
if (!is_string($line))
|
|
$line = var_export($line, true);
|
|
|
|
if (empty($CONFIG['log_date_format']))
|
|
$CONFIG['log_date_format'] = 'd-M-Y H:i:s O';
|
|
|
|
$date = date($CONFIG['log_date_format']);
|
|
|
|
// trigger logging hook
|
|
if (is_object($RCMAIL) && is_object($RCMAIL->plugins)) {
|
|
$log = $RCMAIL->plugins->exec_hook('write_log', array('name' => $name, 'date' => $date, 'line' => $line));
|
|
$name = $log['name'];
|
|
$line = $log['line'];
|
|
$date = $log['date'];
|
|
if ($log['abort'])
|
|
return true;
|
|
}
|
|
|
|
if ($CONFIG['log_driver'] == 'syslog') {
|
|
$prio = $name == 'errors' ? LOG_ERR : LOG_INFO;
|
|
syslog($prio, $line);
|
|
return true;
|
|
}
|
|
else {
|
|
$line = sprintf("[%s]: %s\n", $date, $line);
|
|
|
|
// log_driver == 'file' is assumed here
|
|
if (empty($CONFIG['log_dir']))
|
|
$CONFIG['log_dir'] = INSTALL_PATH.'logs';
|
|
|
|
// try to open specific log file for writing
|
|
$logfile = $CONFIG['log_dir'].'/'.$name;
|
|
if ($fp = @fopen($logfile, 'a')) {
|
|
fwrite($fp, $line);
|
|
fflush($fp);
|
|
fclose($fp);
|
|
return true;
|
|
}
|
|
else
|
|
trigger_error("Error writing to log file $logfile; Please check permissions", E_USER_WARNING);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Write login data (name, ID, IP address) to the 'userlogins' log file.
|
|
*
|
|
* @return void
|
|
*/
|
|
function rcmail_log_login()
|
|
{
|
|
global $RCMAIL;
|
|
|
|
if (!$RCMAIL->config->get('log_logins') || !$RCMAIL->user)
|
|
return;
|
|
|
|
write_log('userlogins', sprintf('Successful login for %s (ID: %d) from %s',
|
|
$RCMAIL->user->get_username(), $RCMAIL->user->ID, rcmail_remote_ip()));
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns remote IP address and forwarded addresses if found
|
|
*
|
|
* @return string Remote IP address(es)
|
|
*/
|
|
function rcmail_remote_ip()
|
|
{
|
|
$address = $_SERVER['REMOTE_ADDR'];
|
|
|
|
// append the NGINX X-Real-IP header, if set
|
|
if (!empty($_SERVER['HTTP_X_REAL_IP'])) {
|
|
$remote_ip[] = 'X-Real-IP: ' . $_SERVER['HTTP_X_REAL_IP'];
|
|
}
|
|
// append the X-Forwarded-For header, if set
|
|
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
|
|
$remote_ip[] = 'X-Forwarded-For: ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
|
|
}
|
|
|
|
if (!empty($remote_ip))
|
|
$address .= '(' . implode(',', $remote_ip) . ')';
|
|
|
|
return $address;
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
* @return mixed
|
|
*/
|
|
function rcube_timer()
|
|
{
|
|
return microtime(true);
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
* @return void
|
|
*/
|
|
function rcube_print_time($timer, $label='Timer', $dest='console')
|
|
{
|
|
static $print_count = 0;
|
|
|
|
$print_count++;
|
|
$now = rcube_timer();
|
|
$diff = $now-$timer;
|
|
|
|
if (empty($label))
|
|
$label = 'Timer '.$print_count;
|
|
|
|
write_log($dest, sprintf("%s: %0.4f sec", $label, $diff));
|
|
}
|
|
|
|
|
|
/**
|
|
* Return the mailboxlist in HTML
|
|
*
|
|
* @param array Named parameters
|
|
* @return string HTML code for the gui object
|
|
*/
|
|
function rcmail_mailbox_list($attrib)
|
|
{
|
|
global $RCMAIL;
|
|
static $a_mailboxes;
|
|
|
|
$attrib += array('maxlength' => 100, 'realnames' => false);
|
|
|
|
// add some labels to client
|
|
$RCMAIL->output->add_label('purgefolderconfirm', 'deletemessagesconfirm');
|
|
|
|
$type = $attrib['type'] ? $attrib['type'] : 'ul';
|
|
unset($attrib['type']);
|
|
|
|
if ($type=='ul' && !$attrib['id'])
|
|
$attrib['id'] = 'rcmboxlist';
|
|
|
|
// get mailbox list
|
|
$mbox_name = $RCMAIL->imap->get_mailbox_name();
|
|
|
|
// build the folders tree
|
|
if (empty($a_mailboxes)) {
|
|
// get mailbox list
|
|
$a_folders = $RCMAIL->imap->list_mailboxes();
|
|
$delimiter = $RCMAIL->imap->get_hierarchy_delimiter();
|
|
$a_mailboxes = array();
|
|
|
|
foreach ($a_folders as $folder)
|
|
rcmail_build_folder_tree($a_mailboxes, $folder, $delimiter);
|
|
}
|
|
|
|
// allow plugins to alter the folder tree or to localize folder names
|
|
$hook = $RCMAIL->plugins->exec_hook('render_mailboxlist', array('list' => $a_mailboxes, 'delimiter' => $delimiter));
|
|
|
|
if ($type=='select') {
|
|
$select = new html_select($attrib);
|
|
|
|
// add no-selection option
|
|
if ($attrib['noselection'])
|
|
$select->add(rcube_label($attrib['noselection']), '0');
|
|
|
|
rcmail_render_folder_tree_select($hook['list'], $mbox_name, $attrib['maxlength'], $select, $attrib['realnames']);
|
|
$out = $select->show();
|
|
}
|
|
else {
|
|
$js_mailboxlist = array();
|
|
$out = html::tag('ul', $attrib, rcmail_render_folder_tree_html($hook['list'], $mbox_name, $js_mailboxlist, $attrib), html::$common_attrib);
|
|
|
|
$RCMAIL->output->add_gui_object('mailboxlist', $attrib['id']);
|
|
$RCMAIL->output->set_env('mailboxes', $js_mailboxlist);
|
|
$RCMAIL->output->set_env('collapsed_folders', $RCMAIL->config->get('collapsed_folders'));
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return the mailboxlist as html_select object
|
|
*
|
|
* @param array Named parameters
|
|
* @return html_select HTML drop-down object
|
|
*/
|
|
function rcmail_mailbox_select($p = array())
|
|
{
|
|
global $RCMAIL;
|
|
|
|
$p += array('maxlength' => 100, 'realnames' => false);
|
|
$a_mailboxes = array();
|
|
|
|
if ($p['unsubscribed'])
|
|
$list = $RCMAIL->imap->list_unsubscribed();
|
|
else
|
|
$list = $RCMAIL->imap->list_mailboxes();
|
|
|
|
foreach ($list as $folder)
|
|
if (empty($p['exceptions']) || !in_array($folder, $p['exceptions']))
|
|
rcmail_build_folder_tree($a_mailboxes, $folder, $RCMAIL->imap->get_hierarchy_delimiter());
|
|
|
|
$select = new html_select($p);
|
|
|
|
if ($p['noselection'])
|
|
$select->add($p['noselection'], '');
|
|
|
|
rcmail_render_folder_tree_select($a_mailboxes, $mbox, $p['maxlength'], $select, $p['realnames']);
|
|
|
|
return $select;
|
|
}
|
|
|
|
|
|
/**
|
|
* Create a hierarchical array of the mailbox list
|
|
* @access private
|
|
* @return void
|
|
*/
|
|
function rcmail_build_folder_tree(&$arrFolders, $folder, $delm='/', $path='')
|
|
{
|
|
global $RCMAIL;
|
|
|
|
$pos = strpos($folder, $delm);
|
|
|
|
if ($pos !== false) {
|
|
$subFolders = substr($folder, $pos+1);
|
|
$currentFolder = substr($folder, 0, $pos);
|
|
|
|
// sometimes folder has a delimiter as the last character
|
|
if (!strlen($subFolders))
|
|
$virtual = false;
|
|
else if (!isset($arrFolders[$currentFolder]))
|
|
$virtual = true;
|
|
else
|
|
$virtual = $arrFolders[$currentFolder]['virtual'];
|
|
}
|
|
else {
|
|
$subFolders = false;
|
|
$currentFolder = $folder;
|
|
$virtual = false;
|
|
}
|
|
|
|
$path .= $currentFolder;
|
|
|
|
// Check \Noselect option (if options are in cache)
|
|
if (!$virtual && ($opts = $RCMAIL->imap->mailbox_options($path))) {
|
|
$virtual = in_array('\\Noselect', $opts);
|
|
}
|
|
|
|
if (!isset($arrFolders[$currentFolder])) {
|
|
$arrFolders[$currentFolder] = array(
|
|
'id' => $path,
|
|
'name' => rcube_charset_convert($currentFolder, 'UTF7-IMAP'),
|
|
'virtual' => $virtual,
|
|
'folders' => array());
|
|
}
|
|
else
|
|
$arrFolders[$currentFolder]['virtual'] = $virtual;
|
|
|
|
if (strlen($subFolders))
|
|
rcmail_build_folder_tree($arrFolders[$currentFolder]['folders'], $subFolders, $delm, $path.$delm);
|
|
}
|
|
|
|
|
|
/**
|
|
* Return html for a structured list <ul> for the mailbox tree
|
|
* @access private
|
|
* @return string
|
|
*/
|
|
function rcmail_render_folder_tree_html(&$arrFolders, &$mbox_name, &$jslist, $attrib, $nestLevel=0)
|
|
{
|
|
global $RCMAIL, $CONFIG;
|
|
|
|
$maxlength = intval($attrib['maxlength']);
|
|
$realnames = (bool)$attrib['realnames'];
|
|
$msgcounts = $RCMAIL->imap->get_cache('messagecount');
|
|
|
|
$idx = 0;
|
|
$out = '';
|
|
foreach ($arrFolders as $key => $folder) {
|
|
$zebra_class = (($nestLevel+1)*$idx) % 2 == 0 ? 'even' : 'odd';
|
|
$title = null;
|
|
|
|
if (($folder_class = rcmail_folder_classname($folder['id'])) && !$realnames) {
|
|
$foldername = rcube_label($folder_class);
|
|
}
|
|
else {
|
|
$foldername = $folder['name'];
|
|
|
|
// shorten the folder name to a given length
|
|
if ($maxlength && $maxlength > 1) {
|
|
$fname = abbreviate_string($foldername, $maxlength);
|
|
if ($fname != $foldername)
|
|
$title = $foldername;
|
|
$foldername = $fname;
|
|
}
|
|
}
|
|
|
|
// make folder name safe for ids and class names
|
|
$folder_id = asciiwords($folder['id'], true, '_');
|
|
$classes = array('mailbox');
|
|
|
|
// set special class for Sent, Drafts, Trash and Junk
|
|
if ($folder['id']==$CONFIG['sent_mbox'])
|
|
$classes[] = 'sent';
|
|
else if ($folder['id']==$CONFIG['drafts_mbox'])
|
|
$classes[] = 'drafts';
|
|
else if ($folder['id']==$CONFIG['trash_mbox'])
|
|
$classes[] = 'trash';
|
|
else if ($folder['id']==$CONFIG['junk_mbox'])
|
|
$classes[] = 'junk';
|
|
else if ($folder['id']=='INBOX')
|
|
$classes[] = 'inbox';
|
|
else
|
|
$classes[] = '_'.asciiwords($folder_class ? $folder_class : strtolower($folder['id']), true);
|
|
|
|
$classes[] = $zebra_class;
|
|
|
|
if ($folder['id'] == $mbox_name)
|
|
$classes[] = 'selected';
|
|
|
|
$collapsed = preg_match('/&'.rawurlencode($folder['id']).'&/', $RCMAIL->config->get('collapsed_folders'));
|
|
$unread = $msgcounts ? intval($msgcounts[$folder['id']]['UNSEEN']) : 0;
|
|
|
|
if ($folder['virtual'])
|
|
$classes[] = 'virtual';
|
|
else if ($unread)
|
|
$classes[] = 'unread';
|
|
|
|
$js_name = JQ($folder['id']);
|
|
$html_name = Q($foldername) . ($unread ? html::span('unreadcount', " ($unread)") : '');
|
|
$link_attrib = $folder['virtual'] ? array() : array(
|
|
'href' => rcmail_url('', array('_mbox' => $folder['id'])),
|
|
'onclick' => sprintf("return %s.command('list','%s',this)", JS_OBJECT_NAME, $js_name),
|
|
'title' => $title,
|
|
);
|
|
|
|
$out .= html::tag('li', array(
|
|
'id' => "rcmli".$folder_id,
|
|
'class' => join(' ', $classes),
|
|
'noclose' => true),
|
|
html::a($link_attrib, $html_name) .
|
|
(!empty($folder['folders']) ? html::div(array(
|
|
'class' => ($collapsed ? 'collapsed' : 'expanded'),
|
|
'style' => "position:absolute",
|
|
'onclick' => sprintf("%s.command('collapse-folder', '%s')", JS_OBJECT_NAME, $js_name)
|
|
), ' ') : ''));
|
|
|
|
$jslist[$folder_id] = array('id' => $folder['id'], 'name' => $foldername, 'virtual' => $folder['virtual']);
|
|
|
|
if (!empty($folder['folders'])) {
|
|
$out .= html::tag('ul', array('style' => ($collapsed ? "display:none;" : null)),
|
|
rcmail_render_folder_tree_html($folder['folders'], $mbox_name, $jslist, $attrib, $nestLevel+1));
|
|
}
|
|
|
|
$out .= "</li>\n";
|
|
$idx++;
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return html for a flat list <select> for the mailbox tree
|
|
* @access private
|
|
* @return string
|
|
*/
|
|
function rcmail_render_folder_tree_select(&$arrFolders, &$mbox_name, $maxlength, &$select, $realnames=false, $nestLevel=0)
|
|
{
|
|
$idx = 0;
|
|
$out = '';
|
|
foreach ($arrFolders as $key=>$folder)
|
|
{
|
|
if (!$realnames && ($folder_class = rcmail_folder_classname($folder['id'])))
|
|
$foldername = rcube_label($folder_class);
|
|
else
|
|
{
|
|
$foldername = $folder['name'];
|
|
|
|
// shorten the folder name to a given length
|
|
if ($maxlength && $maxlength>1)
|
|
$foldername = abbreviate_string($foldername, $maxlength);
|
|
}
|
|
|
|
$select->add(str_repeat(' ', $nestLevel*4) . $foldername, $folder['id']);
|
|
|
|
if (!empty($folder['folders']))
|
|
$out .= rcmail_render_folder_tree_select($folder['folders'], $mbox_name, $maxlength, $select, $realnames, $nestLevel+1);
|
|
|
|
$idx++;
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return internal name for the given folder if it matches the configured special folders
|
|
* @access private
|
|
* @return string
|
|
*/
|
|
function rcmail_folder_classname($folder_id)
|
|
{
|
|
global $CONFIG;
|
|
|
|
if ($folder_id == 'INBOX')
|
|
return 'inbox';
|
|
|
|
// for these mailboxes we have localized labels and css classes
|
|
foreach (array('sent', 'drafts', 'trash', 'junk') as $smbx)
|
|
{
|
|
if ($folder_id == $CONFIG[$smbx.'_mbox'])
|
|
return $smbx;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Try to localize the given IMAP folder name.
|
|
* UTF-7 decode it in case no localized text was found
|
|
*
|
|
* @param string Folder name
|
|
* @return string Localized folder name in UTF-8 encoding
|
|
*/
|
|
function rcmail_localize_foldername($name)
|
|
{
|
|
if ($folder_class = rcmail_folder_classname($name))
|
|
return rcube_label($folder_class);
|
|
else
|
|
return rcube_charset_convert($name, 'UTF7-IMAP');
|
|
}
|
|
|
|
|
|
function rcmail_quota_display($attrib)
|
|
{
|
|
global $OUTPUT;
|
|
|
|
if (!$attrib['id'])
|
|
$attrib['id'] = 'rcmquotadisplay';
|
|
|
|
if(isset($attrib['display']))
|
|
$_SESSION['quota_display'] = $attrib['display'];
|
|
|
|
$OUTPUT->add_gui_object('quotadisplay', $attrib['id']);
|
|
|
|
$quota = rcmail_quota_content($attrib);
|
|
|
|
$OUTPUT->add_script('$(document).ready(function(){
|
|
rcmail.set_quota('.json_serialize($quota).')});', 'foot');
|
|
|
|
return html::span($attrib, '');
|
|
}
|
|
|
|
|
|
function rcmail_quota_content($attrib=NULL)
|
|
{
|
|
global $RCMAIL;
|
|
|
|
$quota = $RCMAIL->imap->get_quota();
|
|
$quota = $RCMAIL->plugins->exec_hook('quota', $quota);
|
|
|
|
$quota_result = (array) $quota;
|
|
$quota_result['type'] = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';
|
|
|
|
if (!$quota['total'] && $RCMAIL->config->get('quota_zero_as_unlimited')) {
|
|
$quota_result['title'] = rcube_label('unlimited');
|
|
$quota_result['percent'] = 0;
|
|
}
|
|
else if ($quota['total']) {
|
|
if (!isset($quota['percent']))
|
|
$quota_result['percent'] = min(100, round(($quota['used']/max(1,$quota['total']))*100));
|
|
|
|
$title = sprintf('%s / %s (%.0f%%)',
|
|
show_bytes($quota['used'] * 1024), show_bytes($quota['total'] * 1024),
|
|
$quota_result['percent']);
|
|
|
|
$quota_result['title'] = $title;
|
|
|
|
if ($attrib['width'])
|
|
$quota_result['width'] = $attrib['width'];
|
|
if ($attrib['height'])
|
|
$quota_result['height'] = $attrib['height'];
|
|
}
|
|
else {
|
|
$quota_result['title'] = rcube_label('unknown');
|
|
$quota_result['percent'] = 0;
|
|
}
|
|
|
|
return $quota_result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Outputs error message according to server error/response codes
|
|
*
|
|
* @param string Fallback message label
|
|
* @param string Fallback message label arguments
|
|
*
|
|
* @return void
|
|
*/
|
|
function rcmail_display_server_error($fallback=null, $fallback_args=null)
|
|
{
|
|
global $RCMAIL;
|
|
|
|
$err_code = $RCMAIL->imap->get_error_code();
|
|
$res_code = $RCMAIL->imap->get_response_code();
|
|
|
|
if ($res_code == rcube_imap::NOPERM) {
|
|
$RCMAIL->output->show_message('errornoperm', 'error');
|
|
}
|
|
else if ($res_code == rcube_imap::READONLY) {
|
|
$RCMAIL->output->show_message('errorreadonly', 'error');
|
|
}
|
|
else if ($err_code && ($err_str = $RCMAIL->imap->get_error_str())) {
|
|
$RCMAIL->output->show_message('servererrormsg', 'error', array('msg' => $err_str));
|
|
}
|
|
else if ($fallback) {
|
|
$RCMAIL->output->show_message($fallback, 'error', $fallback_args);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Output HTML editor scripts
|
|
*
|
|
* @param string Editor mode
|
|
* @return void
|
|
*/
|
|
function rcube_html_editor($mode='')
|
|
{
|
|
global $RCMAIL, $CONFIG;
|
|
|
|
$hook = $RCMAIL->plugins->exec_hook('hmtl_editor', array('mode' => $mode));
|
|
|
|
if ($hook['abort'])
|
|
return;
|
|
|
|
$lang = strtolower($_SESSION['language']);
|
|
|
|
// TinyMCE uses 'tw' for zh_TW (which is wrong, because tw is a code of Twi language)
|
|
$lang = ($lang == 'zh_tw') ? 'tw' : substr($lang, 0, 2);
|
|
|
|
if (!file_exists(INSTALL_PATH . 'program/js/tiny_mce/langs/'.$lang.'.js'))
|
|
$lang = 'en';
|
|
|
|
$RCMAIL->output->include_script('tiny_mce/tiny_mce.js');
|
|
$RCMAIL->output->include_script('editor.js');
|
|
$RCMAIL->output->add_script(sprintf("rcmail_editor_init('\$__skin_path', '%s', %d, '%s');",
|
|
JQ($lang), intval($CONFIG['enable_spellcheck']), $mode),
|
|
'foot');
|
|
}
|
|
|
|
|
|
/**
|
|
* Replaces TinyMCE's emoticon images with plain-text representation
|
|
*
|
|
* @param string HTML content
|
|
* @return string HTML content
|
|
*/
|
|
function rcmail_replace_emoticons($html)
|
|
{
|
|
$emoticons = array(
|
|
'8-)' => 'smiley-cool',
|
|
':-#' => 'smiley-foot-in-mouth',
|
|
':-*' => 'smiley-kiss',
|
|
':-X' => 'smiley-sealed',
|
|
':-P' => 'smiley-tongue-out',
|
|
':-@' => 'smiley-yell',
|
|
":'(" => 'smiley-cry',
|
|
':-(' => 'smiley-frown',
|
|
':-D' => 'smiley-laughing',
|
|
':-)' => 'smiley-smile',
|
|
':-S' => 'smiley-undecided',
|
|
':-$' => 'smiley-embarassed',
|
|
'O:-)' => 'smiley-innocent',
|
|
':-|' => 'smiley-money-mouth',
|
|
':-O' => 'smiley-surprised',
|
|
';-)' => 'smiley-wink',
|
|
);
|
|
|
|
foreach ($emoticons as $idx => $file) {
|
|
// <img title="Cry" src="http://.../program/js/tiny_mce/plugins/emotions/img/smiley-cry.gif" border="0" alt="Cry" />
|
|
$search[] = '/<img title="[a-z ]+" src="https?:\/\/[a-z0-9_.\/-]+\/tiny_mce\/plugins\/emotions\/img\/'.$file.'.gif"[^>]+\/>/i';
|
|
$replace[] = $idx;
|
|
}
|
|
|
|
return preg_replace($search, $replace, $html);
|
|
}
|
|
|
|
|
|
/**
|
|
* Check if working in SSL mode
|
|
*
|
|
* @param integer HTTPS port number
|
|
* @param boolean Enables 'use_https' option checking
|
|
* @return boolean
|
|
*/
|
|
function rcube_https_check($port=null, $use_https=true)
|
|
{
|
|
global $RCMAIL;
|
|
|
|
if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off')
|
|
return true;
|
|
if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https')
|
|
return true;
|
|
if ($port && $_SERVER['SERVER_PORT'] == $port)
|
|
return true;
|
|
if ($use_https && isset($RCMAIL) && $RCMAIL->config->get('use_https'))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* For backward compatibility.
|
|
*
|
|
* @global rcmail $RCMAIL
|
|
* @param string $var_name Variable name.
|
|
* @return void
|
|
*/
|
|
function rcube_sess_unset($var_name=null)
|
|
{
|
|
global $RCMAIL;
|
|
|
|
$RCMAIL->session->remove($var_name);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Replaces hostname variables
|
|
*
|
|
* @param string $name Hostname
|
|
* @param string $host Optional IMAP hostname
|
|
* @return string
|
|
*/
|
|
function rcube_parse_host($name, $host='')
|
|
{
|
|
// %n - host
|
|
$n = preg_replace('/:\d+$/', '', $_SERVER['SERVER_NAME']);
|
|
// %d - domain name without first part, e.g. %d=mail.domain.tld, %m=domain.tld
|
|
$d = preg_replace('/^[^\.]+\./', '', $n);
|
|
// %h - IMAP host
|
|
$h = $_SESSION['imap_host'] ? $_SESSION['imap_host'] : $host;
|
|
// %z - IMAP domain without first part, e.g. %h=imap.domain.tld, %z=domain.tld
|
|
$z = preg_replace('/^[^\.]+\./', '', $h);
|
|
|
|
$name = str_replace(array('%n', '%d', '%h', '%z'), array($n, $d, $h, $z), $name);
|
|
return $name;
|
|
}
|
|
|
|
|
|
/**
|
|
* E-mail address validation
|
|
*
|
|
* @param string $email Email address
|
|
* @param boolean $dns_check True to check dns
|
|
* @return boolean
|
|
*/
|
|
function check_email($email, $dns_check=true)
|
|
{
|
|
// Check for invalid characters
|
|
if (preg_match('/[\x00-\x1F\x7F-\xFF]/', $email))
|
|
return false;
|
|
|
|
// Check for length limit specified by RFC 5321 (#1486453)
|
|
if (strlen($email) > 254)
|
|
return false;
|
|
|
|
$email_array = explode('@', $email);
|
|
|
|
// Check that there's one @ symbol
|
|
if (count($email_array) < 2)
|
|
return false;
|
|
|
|
$domain_part = array_pop($email_array);
|
|
$local_part = implode('@', $email_array);
|
|
|
|
// from PEAR::Validate
|
|
$regexp = '&^(?:
|
|
("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+")| #1 quoted name
|
|
([-\w!\#\$%\&\'*+~/^`|{}=]+(?:\.[-\w!\#\$%\&\'*+~/^`|{}=]+)*)) #2 OR dot-atom (RFC5322)
|
|
$&xi';
|
|
|
|
if (!preg_match($regexp, $local_part))
|
|
return false;
|
|
|
|
// Check domain part
|
|
if (preg_match('/^\[*(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}\]*$/', $domain_part))
|
|
return true; // IP address
|
|
else {
|
|
// If not an IP address
|
|
$domain_array = explode('.', $domain_part);
|
|
if (sizeof($domain_array) < 2)
|
|
return false; // Not enough parts to be a valid domain
|
|
|
|
foreach ($domain_array as $part)
|
|
if (!preg_match('/^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]))$/', $part))
|
|
return false;
|
|
|
|
if (!$dns_check || !rcmail::get_instance()->config->get('email_dns_check'))
|
|
return true;
|
|
|
|
if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' && version_compare(PHP_VERSION, '5.3.0', '<')) {
|
|
$lookup = array();
|
|
@exec("nslookup -type=MX " . escapeshellarg($domain_part) . " 2>&1", $lookup);
|
|
foreach ($lookup as $line) {
|
|
if (strpos($line, 'MX preference'))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// find MX record(s)
|
|
if (getmxrr($domain_part, $mx_records))
|
|
return true;
|
|
|
|
// find any DNS record
|
|
if (checkdnsrr($domain_part, 'ANY'))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Helper class to turn relative urls into absolute ones
|
|
* using a predefined base
|
|
*/
|
|
class rcube_base_replacer
|
|
{
|
|
private $base_url;
|
|
|
|
public function __construct($base)
|
|
{
|
|
$this->base_url = $base;
|
|
}
|
|
|
|
public function callback($matches)
|
|
{
|
|
return $matches[1] . '="' . make_absolute_url($matches[3], $this->base_url) . '"';
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Throw system error and show error page
|
|
*
|
|
* @param array Named parameters
|
|
* - code: Error code (required)
|
|
* - type: Error type [php|db|imap|javascript] (required)
|
|
* - message: Error message
|
|
* - file: File where error occured
|
|
* - line: Line where error occured
|
|
* @param boolean True to log the error
|
|
* @param boolean Terminate script execution
|
|
*/
|
|
// may be defined in Installer
|
|
if (!function_exists('raise_error')) {
|
|
function raise_error($arg=array(), $log=false, $terminate=false)
|
|
{
|
|
global $__page_content, $CONFIG, $OUTPUT, $ERROR_CODE, $ERROR_MESSAGE;
|
|
|
|
// report bug (if not incompatible browser)
|
|
if ($log && $arg['type'] && $arg['message'])
|
|
log_bug($arg);
|
|
|
|
// display error page and terminate script
|
|
if ($terminate) {
|
|
$ERROR_CODE = $arg['code'];
|
|
$ERROR_MESSAGE = $arg['message'];
|
|
include('program/steps/utils/error.inc');
|
|
exit;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Report error according to configured debug_level
|
|
*
|
|
* @param array Named parameters
|
|
* @return void
|
|
* @see raise_error()
|
|
*/
|
|
function log_bug($arg_arr)
|
|
{
|
|
global $CONFIG;
|
|
$program = strtoupper($arg_arr['type']);
|
|
|
|
// write error to local log file
|
|
if ($CONFIG['debug_level'] & 1) {
|
|
$post_query = ($_SERVER['REQUEST_METHOD'] == 'POST' ? '?_task='.urlencode($_POST['_task']).'&_action='.urlencode($_POST['_action']) : '');
|
|
$log_entry = sprintf("%s Error: %s%s (%s %s)",
|
|
$program,
|
|
$arg_arr['message'],
|
|
$arg_arr['file'] ? sprintf(' in %s on line %d', $arg_arr['file'], $arg_arr['line']) : '',
|
|
$_SERVER['REQUEST_METHOD'],
|
|
$_SERVER['REQUEST_URI'] . $post_query);
|
|
|
|
if (!write_log('errors', $log_entry)) {
|
|
// send error to PHPs error handler if write_log didn't succeed
|
|
trigger_error($arg_arr['message']);
|
|
}
|
|
}
|
|
|
|
// resport the bug to the global bug reporting system
|
|
if ($CONFIG['debug_level'] & 2) {
|
|
// TODO: Send error via HTTP
|
|
}
|
|
|
|
// show error if debug_mode is on
|
|
if ($CONFIG['debug_level'] & 4) {
|
|
print "<b>$program Error";
|
|
|
|
if (!empty($arg_arr['file']) && !empty($arg_arr['line']))
|
|
print " in $arg_arr[file] ($arg_arr[line])";
|
|
|
|
print ':</b> ';
|
|
print nl2br($arg_arr['message']);
|
|
print '<br />';
|
|
flush();
|
|
}
|
|
}
|
|
|