You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1242 lines
33 KiB
PHP
1242 lines
33 KiB
PHP
<?php
|
|
|
|
/*
|
|
+-----------------------------------------------------------------------+
|
|
| program/include/main.inc |
|
|
| |
|
|
| This file is part of the RoundCube Webmail client |
|
|
| Copyright (C) 2005-2009, RoundCube Dev, - Switzerland |
|
|
| Licensed under the GNU GPL |
|
|
| |
|
|
| PURPOSE: |
|
|
| Provide basic functions for the webmail package |
|
|
| |
|
|
+-----------------------------------------------------------------------+
|
|
| Author: Thomas Bruederli <roundcube@gmail.com> |
|
|
+-----------------------------------------------------------------------+
|
|
|
|
$Id$
|
|
|
|
*/
|
|
|
|
/**
|
|
* RoundCube Webmail common functions
|
|
*
|
|
* @package Core
|
|
* @author Thomas Bruederli <roundcube@gmail.com>
|
|
*/
|
|
|
|
require_once('lib/utf7.inc');
|
|
require_once('include/rcube_shared.inc');
|
|
|
|
// fallback if not PHP modules are available
|
|
@include_once('lib/des.inc');
|
|
@include_once('lib/utf8.class.php');
|
|
|
|
// define constannts for input reading
|
|
define('RCUBE_INPUT_GET', 0x0101);
|
|
define('RCUBE_INPUT_POST', 0x0102);
|
|
define('RCUBE_INPUT_GPC', 0x0103);
|
|
|
|
|
|
|
|
/**
|
|
* Return correct name for a specific database table
|
|
*
|
|
* @param string Table name
|
|
* @return string Translated table name
|
|
*/
|
|
function get_table_name($table)
|
|
{
|
|
global $CONFIG;
|
|
|
|
// return table name if configured
|
|
$config_key = 'db_table_'.$table;
|
|
|
|
if (strlen($CONFIG[$config_key]))
|
|
return $CONFIG[$config_key];
|
|
|
|
return $table;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return correct name for a specific database sequence
|
|
* (used for Postgres only)
|
|
*
|
|
* @param string Secuence name
|
|
* @return string Translated sequence name
|
|
*/
|
|
function get_sequence_name($sequence)
|
|
{
|
|
// return table name if configured
|
|
$config_key = 'db_sequence_'.$sequence;
|
|
$opt = rcmail::get_instance()->config->get($config_key);
|
|
|
|
if (!empty($opt))
|
|
return $opt;
|
|
|
|
return $sequence;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get localized text in the desired language
|
|
* It's a global wrapper for rcmail::gettext()
|
|
*
|
|
* @param mixed Named parameters array or label name
|
|
* @return string Localized text
|
|
* @see rcmail::gettext()
|
|
*/
|
|
function rcube_label($p)
|
|
{
|
|
return rcmail::get_instance()->gettext($p);
|
|
}
|
|
|
|
|
|
/**
|
|
* Overwrite action variable
|
|
*
|
|
* @param string New action value
|
|
*/
|
|
function rcmail_overwrite_action($action)
|
|
{
|
|
$app = rcmail::get_instance();
|
|
$app->action = $action;
|
|
$app->output->set_env('action', $action);
|
|
}
|
|
|
|
|
|
/**
|
|
* Compose an URL for a specific action
|
|
*
|
|
* @param string Request action
|
|
* @param array More URL parameters
|
|
* @param string Request task (omit if the same)
|
|
* @return The application URL
|
|
*/
|
|
function rcmail_url($action, $p=array(), $task=null)
|
|
{
|
|
$app = rcmail::get_instance();
|
|
return $app->url((array)$p + array('_action' => $action, 'task' => $task));
|
|
}
|
|
|
|
|
|
/**
|
|
* Garbage collector function for temp files.
|
|
* Remove temp files older than two days
|
|
*/
|
|
function rcmail_temp_gc()
|
|
{
|
|
$tmp = unslashify($CONFIG['temp_dir']);
|
|
$expire = mktime() - 172800; // expire in 48 hours
|
|
|
|
if ($dir = opendir($tmp))
|
|
{
|
|
while (($fname = readdir($dir)) !== false)
|
|
{
|
|
if ($fname{0} == '.')
|
|
continue;
|
|
|
|
if (filemtime($tmp.'/'.$fname) < $expire)
|
|
@unlink($tmp.'/'.$fname);
|
|
}
|
|
|
|
closedir($dir);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Garbage collector for cache entries.
|
|
* Remove all expired message cache records
|
|
*/
|
|
function rcmail_cache_gc()
|
|
{
|
|
$rcmail = rcmail::get_instance();
|
|
$db = $rcmail->get_dbh();
|
|
|
|
// get target timestamp
|
|
$ts = get_offset_time($rcmail->config->get('message_cache_lifetime', '30d'), -1);
|
|
|
|
$db->query("DELETE FROM ".get_table_name('messages')."
|
|
WHERE created < " . $db->fromunixtime($ts));
|
|
|
|
$db->query("DELETE FROM ".get_table_name('cache')."
|
|
WHERE created < " . $db->fromunixtime($ts));
|
|
}
|
|
|
|
|
|
/**
|
|
* Convert a string from one charset to another.
|
|
* Uses mbstring and iconv functions if possible
|
|
*
|
|
* @param string Input string
|
|
* @param string Suspected charset of the input string
|
|
* @param string Target charset to convert to; defaults to RCMAIL_CHARSET
|
|
* @return Converted string
|
|
*/
|
|
function rcube_charset_convert($str, $from, $to=NULL)
|
|
{
|
|
static $mbstring_loaded = null;
|
|
static $mbstring_list = null;
|
|
static $convert_warning = false;
|
|
|
|
$from = strtoupper($from);
|
|
$to = $to==NULL ? strtoupper(RCMAIL_CHARSET) : strtoupper($to);
|
|
$error = false; $conv = null;
|
|
|
|
# RFC1642
|
|
if ($from == 'UNICODE-1-1-UTF-7')
|
|
$from = 'UTF-7';
|
|
if ($to == 'UNICODE-1-1-UTF-7')
|
|
$to = 'UTF-7';
|
|
|
|
if ($from==$to || $str=='' || empty($from))
|
|
return $str;
|
|
|
|
$aliases = array(
|
|
'US-ASCII' => 'ISO-8859-1',
|
|
'ANSI_X3.110-1983' => 'ISO-8859-1',
|
|
'ANSI_X3.4-1968' => 'ISO-8859-1',
|
|
'UNKNOWN-8BIT' => 'ISO-8859-15',
|
|
'X-UNKNOWN' => 'ISO-8859-15',
|
|
'X-USER-DEFINED' => 'ISO-8859-15',
|
|
'ISO-8859-8-I' => 'ISO-8859-8',
|
|
'KS_C_5601-1987' => 'EUC-KR',
|
|
);
|
|
|
|
// convert charset using iconv module
|
|
if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7') {
|
|
$aliases['GB2312'] = 'GB18030';
|
|
$_iconv = iconv(($aliases[$from] ? $aliases[$from] : $from), ($aliases[$to] ? $aliases[$to] : $to) . "//IGNORE", $str);
|
|
if ($_iconv !== false) {
|
|
return $_iconv;
|
|
}
|
|
}
|
|
|
|
if (is_null($mbstring_loaded))
|
|
$mbstring_loaded = extension_loaded('mbstring');
|
|
|
|
// convert charset using mbstring module
|
|
if ($mbstring_loaded) {
|
|
$aliases['UTF-7'] = 'UTF7-IMAP';
|
|
$aliases['WINDOWS-1257'] = 'ISO-8859-13';
|
|
|
|
if (is_null($mbstring_list)) {
|
|
$mbstring_list = mb_list_encodings();
|
|
$mbstring_list = array_map('strtoupper', $mbstring_list);
|
|
}
|
|
|
|
$mb_from = $aliases[$from] ? $aliases[$from] : $from;
|
|
$mb_to = $aliases[$to] ? $aliases[$to] : $to;
|
|
|
|
// return if encoding found, string matches encoding and convert succeeded
|
|
if (in_array($mb_from, $mbstring_list) && in_array($mb_to, $mbstring_list)) {
|
|
if (mb_check_encoding($str, $mb_from) && ($out = mb_convert_encoding($str, $mb_to, $mb_from)))
|
|
return $out;
|
|
}
|
|
}
|
|
|
|
# try to convert with custom classes
|
|
if (class_exists('utf8'))
|
|
$conv = new utf8();
|
|
|
|
// convert string to UTF-8
|
|
if ($from == 'UTF-7') {
|
|
if ($_str = utf7_to_utf8($str))
|
|
$str = $_str;
|
|
}
|
|
else if (($from == 'ISO-8859-1') && function_exists('utf8_encode')) {
|
|
$str = utf8_encode($str);
|
|
}
|
|
else if ($from != 'UTF-8' && $conv) {
|
|
$conv->loadCharset($from);
|
|
$str = $conv->strToUtf8($str);
|
|
}
|
|
else if ($from != 'UTF-8') {}
|
|
$error = true;
|
|
|
|
// encode string for output
|
|
if ($to == 'UTF-7') {
|
|
return utf8_to_utf7($str);
|
|
}
|
|
else if ($to == 'ISO-8859-1' && function_exists('utf8_decode')) {
|
|
return utf8_decode($str);
|
|
}
|
|
else if ($to != 'UTF-8' && $conv) {
|
|
$conv->loadCharset($to);
|
|
return $conv->utf8ToStr($str);
|
|
}
|
|
else if ($to != 'UTF-8') {
|
|
$error = true;
|
|
}
|
|
|
|
// report error
|
|
if ($error && !$convert_warning){
|
|
raise_error(array(
|
|
'code' => 500,
|
|
'type' => 'php',
|
|
'file' => __FILE__,
|
|
'message' => "Could not convert string charset. Make sure iconv is installed or lib/utf8.class is available"
|
|
), true, false);
|
|
|
|
$convert_warning = true;
|
|
}
|
|
|
|
// return UTF-8 string
|
|
return $str;
|
|
}
|
|
|
|
|
|
/**
|
|
* Replacing specials characters to a specific encoding type
|
|
*
|
|
* @param string Input string
|
|
* @param string Encoding type: text|html|xml|js|url
|
|
* @param string Replace mode for tags: show|replace|remove
|
|
* @param boolean Convert newlines
|
|
* @return The quoted string
|
|
*/
|
|
function rep_specialchars_output($str, $enctype='', $mode='', $newlines=TRUE)
|
|
{
|
|
global $OUTPUT;
|
|
static $html_encode_arr = false;
|
|
static $js_rep_table = false;
|
|
static $xml_rep_table = false;
|
|
|
|
$charset = $OUTPUT->get_charset();
|
|
$is_iso_8859_1 = false;
|
|
if ($charset == 'ISO-8859-1') {
|
|
$is_iso_8859_1 = true;
|
|
}
|
|
if (!$enctype)
|
|
$enctype = $OUTPUT->type;
|
|
|
|
// encode for plaintext
|
|
if ($enctype=='text')
|
|
return str_replace("\r\n", "\n", $mode=='remove' ? strip_tags($str) : $str);
|
|
|
|
// encode for HTML output
|
|
if ($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);
|
|
|
|
// avoid douple quotation of &
|
|
$out = preg_replace('/&([A-Za-z]{2,6}|#[0-9]{2,4});/', '&\\1;', strtr($str, $encode_arr));
|
|
|
|
return $newlines ? nl2br($out) : $out;
|
|
}
|
|
|
|
if ($enctype=='url')
|
|
return rawurlencode($str);
|
|
|
|
// if the replace tables for XML and JS are not yet defined
|
|
if ($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)] = "&#$c;";
|
|
|
|
if ($is_iso_8859_1)
|
|
$js_rep_table[Chr($c)] = sprintf("\\u%04x", $c);
|
|
}
|
|
|
|
$xml_rep_table['"'] = '"';
|
|
$js_rep_table['"'] = '\\"';
|
|
$js_rep_table["'"] = "\\'";
|
|
$js_rep_table["\\"] = "\\\\";
|
|
}
|
|
|
|
// encode for XML
|
|
if ($enctype=='xml')
|
|
return strtr($str, $xml_rep_table);
|
|
|
|
// encode for javascript use
|
|
if ($enctype=='js')
|
|
{
|
|
if ($charset!='UTF-8')
|
|
$str = rcube_charset_convert($str, RCMAIL_CHARSET,$charset);
|
|
|
|
return preg_replace(array("/\r?\n/", "/\r/", '/<\\//'), array('\n', '\n', '<\\/'), strtr($str, $js_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)
|
|
{
|
|
global $OUTPUT;
|
|
$value = NULL;
|
|
|
|
if ($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];
|
|
}
|
|
|
|
// 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($OUTPUT))
|
|
return rcube_charset_convert($value, $OUTPUT->get_charset(), $charset);
|
|
else
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Remove all non-ascii and non-word chars
|
|
* except . and -
|
|
*/
|
|
function asciiwords($str, $css_id = false)
|
|
{
|
|
$allowed = 'a-z0-9\_\-' . (!$css_id ? '\.' : '');
|
|
return preg_replace("/[^$allowed]/i", '', $str);
|
|
}
|
|
|
|
/**
|
|
* Remove single and double quotes from given string
|
|
*
|
|
* @param string Input value
|
|
* @return string Dequoted string
|
|
*/
|
|
function strip_quotes($str)
|
|
{
|
|
return preg_replace('/[\'"]/', '', $str);
|
|
}
|
|
|
|
|
|
/**
|
|
* Remove new lines characters from given string
|
|
*
|
|
* @param string Input value
|
|
* @return string Stripped string
|
|
*/
|
|
function strip_newlines($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
|
|
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' => "contact $zebra_class"));
|
|
|
|
// format each col
|
|
foreach ($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';
|
|
$table->add_row(array('id' => 'rcmrow' . $row_data[$id_col], 'class' => "contact $zebra_class"));
|
|
|
|
// format each col
|
|
foreach ($a_show_cols as $col)
|
|
$table->add($col, Q($row_data[$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')
|
|
{
|
|
$fname = '_'.$col;
|
|
$attrib['name'] = $fname;
|
|
|
|
if ($type=='checkbox')
|
|
{
|
|
$attrib['value'] = '1';
|
|
$input = new html_checkbox($attrib);
|
|
}
|
|
else if ($type=='textarea')
|
|
{
|
|
$attrib['cols'] = $attrib['size'];
|
|
$input = new html_textarea($attrib);
|
|
}
|
|
else
|
|
$input = new html_inputfield($attrib);
|
|
|
|
// use value from post
|
|
if (!empty($_POST[$fname]))
|
|
$value = get_input_value($fname, RCUBE_INPUT_POST,
|
|
$type == 'textarea' && strpos($attrib['class'], 'mce_editor')!==false ? true : false);
|
|
|
|
$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_entitiy_decode($source));
|
|
if (preg_match('/expression|behavior|url\(|import/', $stripped))
|
|
return '/* evil! */';
|
|
|
|
// cut out all contents between { and }
|
|
while (($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',
|
|
"/$container_id\s+body/i",
|
|
),
|
|
array(
|
|
'',
|
|
"\\1#$container_id \\2",
|
|
"$container_id div.rcmBody",
|
|
),
|
|
$source);
|
|
|
|
// put block contents back in
|
|
$styles = $replacements->resolve($styles);
|
|
|
|
return $styles;
|
|
}
|
|
|
|
|
|
/**
|
|
* Decode escaped entities used by known XSS exploits.
|
|
* See http://downloads.securityfocus.com/vulnerabilities/exploits/26800.eml for examples
|
|
*
|
|
* @param string CSS content to decode
|
|
* @return string Decoded string
|
|
*/
|
|
function rcmail_xss_entitiy_decode($content)
|
|
{
|
|
$out = html_entity_decode(html_entity_decode($content));
|
|
$out = preg_replace_callback('/\\\([0-9a-f]{4})/i', 'rcmail_xss_entitiy_decode_callback', $out);
|
|
$out = preg_replace('#/\*.*\*/#Um', '', $out);
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* preg_replace_callback callback for rcmail_xss_entitiy_decode_callback
|
|
*
|
|
* @param array matches result from preg_replace_callback
|
|
* @return string decoded entity
|
|
*/
|
|
function rcmail_xss_entitiy_decode_callback($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])] = $attr[3] . $attr[4];
|
|
}
|
|
|
|
return $attrib;
|
|
}
|
|
|
|
|
|
/**
|
|
* Convert the given date to a human readable form
|
|
* This uses the date formatting properties from config
|
|
*
|
|
* @param mixed Date representation (string or timestamp)
|
|
* @param string Date format to use
|
|
* @return string Formatted date string
|
|
*/
|
|
function format_date($date, $format=NULL)
|
|
{
|
|
global $CONFIG;
|
|
|
|
$ts = NULL;
|
|
|
|
if (is_numeric($date))
|
|
$ts = $date;
|
|
else if (!empty($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(' ', $d);
|
|
}
|
|
}
|
|
|
|
if (empty($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, $now_date['year']);
|
|
|
|
// define date format depending on current time
|
|
if ($CONFIG['prettydate'] && !$format && $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'] && !$format && $timestamp > $week_limit && $timestamp < $now)
|
|
$format = $CONFIG['date_short'] ? $CONFIG['date_short'] : 'D H:i';
|
|
else if (!$format)
|
|
$format = $CONFIG['date_long'] ? $CONFIG['date_long'] : 'd.m.Y H:i';
|
|
|
|
|
|
// 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 $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Compose a valid representaion of name and e-mail address
|
|
*
|
|
* @param string E-mail address
|
|
* @param string Person name
|
|
* @return string Formatted string
|
|
*/
|
|
function format_email_recipient($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, $email);
|
|
}
|
|
else
|
|
return $email;
|
|
}
|
|
|
|
|
|
|
|
/****** debugging functions ********/
|
|
|
|
|
|
/**
|
|
* Print or write debug messages
|
|
*
|
|
* @param mixed Debug message or data
|
|
*/
|
|
function console()
|
|
{
|
|
$msg = array();
|
|
foreach (func_get_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 $name name of log file
|
|
* @param line Line to append
|
|
*/
|
|
function write_log($name, $line)
|
|
{
|
|
global $CONFIG;
|
|
|
|
if (!is_string($line))
|
|
$line = var_export($line, true);
|
|
|
|
$log_entry = sprintf("[%s]: %s\n",
|
|
date("d-M-Y H:i:s O", mktime()),
|
|
$line);
|
|
|
|
if ($CONFIG['log_driver'] == 'syslog') {
|
|
if ($name == 'errors')
|
|
$prio = LOG_ERR;
|
|
else
|
|
$prio = LOG_INFO;
|
|
syslog($prio, $log_entry);
|
|
} else {
|
|
// log_driver == 'file' is assumed here
|
|
if (empty($CONFIG['log_dir']))
|
|
$CONFIG['log_dir'] = INSTALL_PATH.'logs';
|
|
|
|
// try to open specific log file for writing
|
|
if ($fp = @fopen($CONFIG['log_dir'].'/'.$name, 'a')) {
|
|
fwrite($fp, $log_entry);
|
|
fflush($fp);
|
|
fclose($fp);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function rcube_timer()
|
|
{
|
|
list($usec, $sec) = explode(" ", microtime());
|
|
return ((float)$usec + (float)$sec);
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function rcube_print_time($timer, $label='Timer')
|
|
{
|
|
static $print_count = 0;
|
|
|
|
$print_count++;
|
|
$now = rcube_timer();
|
|
$diff = $now-$timer;
|
|
|
|
if (empty($label))
|
|
$label = 'Timer '.$print_count;
|
|
|
|
console(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, 'relanames' => 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, $delimiter);
|
|
}
|
|
|
|
if ($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($a_mailboxes, $mbox_name, $attrib['maxlength'], $select, $attrib['realnames']);
|
|
$out = $select->show();
|
|
}
|
|
else {
|
|
$js_mailboxlist = array();
|
|
$out = html::tag('ul', $attrib, rcmail_render_folder_tree_html($a_mailboxes, $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 $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return the mailboxlist as html_select object
|
|
*
|
|
* @param array Named parameters
|
|
* @return object html_select HTML drop-down object
|
|
*/
|
|
function rcmail_mailbox_select($p = array())
|
|
{
|
|
global $RCMAIL;
|
|
|
|
$p += array('maxlength' => 100, 'relanames' => false);
|
|
$a_mailboxes = array();
|
|
|
|
foreach ($RCMAIL->imap->list_mailboxes() as $folder)
|
|
rcmail_build_folder_tree($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 $select;
|
|
}
|
|
|
|
|
|
/**
|
|
* Create a hierarchical array of the mailbox list
|
|
* @access private
|
|
*/
|
|
function rcmail_build_folder_tree(&$arrFolders, $folder, $delm='/', $path='')
|
|
{
|
|
$pos = strpos($folder, $delm);
|
|
if ($pos !== false) {
|
|
$subFolders = substr($folder, $pos+1);
|
|
$currentFolder = substr($folder, 0, $pos);
|
|
$virtual = !isset($arrFolders[$currentFolder]);
|
|
}
|
|
else {
|
|
$subFolders = false;
|
|
$currentFolder = $folder;
|
|
$virtual = false;
|
|
}
|
|
|
|
$path .= $currentFolder;
|
|
|
|
if (!isset($arrFolders[$currentFolder])) {
|
|
$arrFolders[$currentFolder] = array(
|
|
'id' => $path,
|
|
'name' => rcube_charset_convert($currentFolder, 'UTF-7'),
|
|
'virtual' => $virtual,
|
|
'folders' => array());
|
|
}
|
|
else
|
|
$arrFolders[$currentFolder]['virtual'] = $virtual;
|
|
|
|
if (!empty($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
|
|
*/
|
|
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 . ($unread ? " ($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 $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return html for a flat list <select> for the mailbox tree
|
|
* @access private
|
|
*/
|
|
function rcmail_render_folder_tree_select(&$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 $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return internal name for the given folder if it matches the configured special folders
|
|
* @access private
|
|
*/
|
|
function rcmail_folder_classname($folder_id)
|
|
{
|
|
global $CONFIG;
|
|
|
|
// 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 $smbx;
|
|
}
|
|
|
|
if ($folder_id == 'INBOX')
|
|
return 'inbox';
|
|
}
|
|
|
|
|
|
/**
|
|
* 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($name, 'UTF-7');
|
|
}
|
|
|
|
|
|
/**
|
|
* Output HTML editor scripts
|
|
*
|
|
* @param string Editor mode
|
|
*/
|
|
function rcube_html_editor($mode='')
|
|
{
|
|
global $OUTPUT, $CONFIG;
|
|
|
|
$lang = $tinylang = strtolower(substr($_SESSION['language'], 0, 2));
|
|
if (!file_exists(INSTALL_PATH . 'program/js/tiny_mce/langs/'.$tinylang.'.js'))
|
|
$tinylang = 'en';
|
|
|
|
$OUTPUT->include_script('tiny_mce/tiny_mce.js');
|
|
$OUTPUT->include_script('editor.js');
|
|
$OUTPUT->add_script('rcmail_editor_init("$__skin_path", "'.JQ($tinylang).'", '.intval($CONFIG['enable_spellcheck']).', "'.$mode.'");');
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* 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) . '"';
|
|
}
|
|
}
|
|
|
|
?>
|