From a2e09c950d8716346b151f7980df1b51ebfbdd78 Mon Sep 17 00:00:00 2001 From: Aleksander Machniak <alec@alec.pl> Date: Tue, 15 Apr 2014 12:35:33 -0400 Subject: [PATCH] Use methods chaining, don't use deprecated row_init method --- program/lib/Roundcube/rcube_utils.php | 271 +++++++++++++++++++++++++++++++++++------------------ 1 files changed, 177 insertions(+), 94 deletions(-) diff --git a/program/lib/Roundcube/rcube_utils.php b/program/lib/Roundcube/rcube_utils.php index df77dfe..46d53ac 100644 --- a/program/lib/Roundcube/rcube_utils.php +++ b/program/lib/Roundcube/rcube_utils.php @@ -2,8 +2,6 @@ /* +-----------------------------------------------------------------------+ - | program/include/rcube_utils.php | - | | | This file is part of the Roundcube Webmail client | | Copyright (C) 2008-2012, The Roundcube Dev Team | | Copyright (C) 2011-2012, Kolab Systems AG | @@ -19,7 +17,6 @@ | Author: Aleksander Machniak <alec@alec.pl> | +-----------------------------------------------------------------------+ */ - /** * Utility class providing common functions @@ -159,7 +156,7 @@ { // IPv6, but there's no build-in IPv6 support if (strpos($ip, ':') !== false && !defined('AF_INET6')) { - $parts = explode(':', $domain_part); + $parts = explode(':', $ip); $count = count($parts); if ($count > 8 || $count < 2) { @@ -363,12 +360,8 @@ 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()) { + if (get_magic_quotes_gpc() || get_magic_quotes_runtime()) { $value = stripslashes($value); } @@ -397,20 +390,21 @@ * Convert array of request parameters (prefixed with _) * to a regular array with non-prefixed keys. * - * @param int $mode Source to get value from (GPC) - * @param string $ignore PCRE expression to skip parameters by name + * @param int $mode Source to get value from (GPC) + * @param string $ignore PCRE expression to skip parameters by name + * @param boolean $allow_html Allow HTML tags in field value * * @return array Hash array with all request parameters */ - public static function request2param($mode = null, $ignore = 'task|action') + public static function request2param($mode = null, $ignore = 'task|action', $allow_html = false) { $out = array(); $src = $mode == self::INPUT_GET ? $_GET : ($mode == self::INPUT_POST ? $_POST : $_REQUEST); - foreach ($src as $key => $value) { + foreach (array_keys($src) as $key) { $fname = $key[0] == '_' ? substr($key, 1) : $key; if ($ignore && !preg_match('/^(' . $ignore . ')$/', $fname)) { - $out[$fname] = self::get_input_value($key, $mode); + $out[$fname] = self::get_input_value($key, $mode, $allow_html); } } @@ -434,59 +428,6 @@ /** - * Create an edit field for inclusion on a form - * - * @param string col field name - * @param string value field value - * @param array attrib HTML element attributes for field - * @param string type HTML element type (default 'text') - * - * @return string HTML field definition - */ - public static function get_edit_field($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'] == 'password') { - $input = new html_passwordfield($attrib); - } - else { - if ($attrib['type'] != 'text' && $attrib['type'] != 'hidden') { - $attrib['type'] = 'text'; - } - $input = new html_inputfield($attrib); - } - - // use value from post - if (isset($_POST[$fname])) { - $postvalue = self::get_input_value($fname, self::INPUT_POST, true); - $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 * @@ -504,41 +445,48 @@ $source = self::xss_entity_decode($source); $stripped = preg_replace('/[^a-z\(:;]/i', '', $source); $evilexpr = 'expression|behavior|javascript:|import[^a]' . (!$allow_remote ? '|url\(' : ''); + if (preg_match("/$evilexpr/i", $stripped)) { return '/* evil! */'; } + $strict_url_regexp = '!url\s*\([ "\'](https?:)//[a-z0-9/._+-]+["\' ]\)!Uims'; + // cut out all contents between { and } while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos))) { - $styles = substr($source, $pos+1, $pos2-($pos+1)); + $nested = strpos($source, '{', $pos+1); + if ($nested && $nested < $pos2) // when dealing with nested blocks (e.g. @media), take the inner one + $pos = $nested; + $length = $pos2 - $pos - 1; + $styles = substr($source, $pos+1, $length); // check every line of a style block... if ($allow_remote) { $a_styles = preg_split('/;[\r\n]*/', $styles, -1, PREG_SPLIT_NO_EMPTY); + foreach ($a_styles as $line) { $stripped = preg_replace('/[^a-z\(:;]/i', '', $line); // ... and only allow strict url() values - $regexp = '!url\s*\([ "\'](https?:)//[a-z0-9/._+-]+["\' ]\)!Uims'; - if (stripos($stripped, 'url(') && !preg_match($regexp, $line)) { + if (stripos($stripped, 'url(') && !preg_match($strict_url_regexp, $line)) { $a_styles = array('/* evil! */'); break; } } + $styles = join(";\n", $a_styles); } - $key = $replacements->add($styles); - $source = substr($source, 0, $pos+1) - . $replacements->get_replacement($key) - . substr($source, $pos2, strlen($source)-$pos2); - $last_pos = $pos+2; + $key = $replacements->add($styles); + $repl = $replacements->get_replacement($key); + $source = substr_replace($source, $repl, $pos+1, $length); + $last_pos = $pos2 - ($length - strlen($repl)); } // 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( + $source = preg_replace( array( - '/(^\s*<!--)|(-->\s*$)/', + '/(^\s*<\!--)|(-->\s*$)/m', '/(^\s*|,\s*|\}\s*)([a-z0-9\._#\*][a-z0-9\.\-_]*)/im', '/'.preg_quote($container_id, '/').'\s+body/i', ), @@ -550,9 +498,9 @@ $source); // put block contents back in - $styles = $replacements->resolve($styles); + $source = $replacements->resolve($source); - return $styles; + return $source; } @@ -566,17 +514,24 @@ */ public static function file2class($mimetype, $filename) { + $mimetype = strtolower($mimetype); + $filename = strtolower($filename); + list($primary, $secondary) = explode('/', $mimetype); $classes = array($primary ? $primary : 'unknown'); + if ($secondary) { $classes[] = $secondary; } - if (preg_match('/\.([a-z0-9]+)$/i', $filename, $m)) { - $classes[] = $m[1]; + + if (preg_match('/\.([a-z0-9]+)$/', $filename, $m)) { + if (!in_array($m[1], $classes)) { + $classes[] = $m[1]; + } } - return strtolower(join(" ", $classes)); + return join(" ", $classes); } @@ -667,6 +622,10 @@ */ public static function parse_host($name, $host = '') { + if (!is_string($name)) { + return $name; + } + // %n - host $n = preg_replace('/:\d+$/', '', $_SERVER['SERVER_NAME']); // %t - host name without first part, e.g. %n=mail.domain.tld, %t=domain.tld @@ -687,8 +646,7 @@ } } - $name = str_replace(array('%n', '%t', '%d', '%h', '%z', '%s'), array($n, $t, $d, $h, $z, $s[2]), $name); - return $name; + return str_replace(array('%n', '%t', '%d', '%h', '%z', '%s'), array($n, $t, $d, $h, $z, $s[2]), $name); } @@ -717,6 +675,29 @@ return $address; } + + /** + * Returns the real remote IP address + * + * @return string Remote IP address + */ + public static function remote_addr() + { + if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { + $hosts = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'], 2); + return $hosts[0]; + } + + if (!empty($_SERVER['HTTP_X_REAL_IP'])) { + return $_SERVER['HTTP_X_REAL_IP']; + } + + if (!empty($_SERVER['REMOTE_ADDR'])) { + return $_SERVER['REMOTE_ADDR']; + } + + return ''; + } /** * Read a specific HTTP request header. @@ -777,16 +758,12 @@ */ public static function strtotime($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; - } + $date = self::clean_datestr($date); - // support non-standard "GMTXXXX" literal - $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date); + // unix timestamp + if (is_numeric($date)) { + return (int) $date; + } // if date parsing fails, we have a date in non-rfc format. // remove token from the end and try again @@ -799,9 +776,93 @@ $date = implode(' ', $d); } - return $ts; + return (int) $ts; } + /** + * Date parsing function that turns the given value into a DateTime object + * + * @param string $date Date string + * + * @return object DateTime instance or false on failure + */ + public static function anytodatetime($date) + { + if (is_object($date) && is_a($date, 'DateTime')) { + return $date; + } + + $dt = false; + $date = self::clean_datestr($date); + + // try to parse string with DateTime first + if (!empty($date)) { + try { + $dt = new DateTime($date); + } + catch (Exception $e) { + // ignore + } + } + + // try our advanced strtotime() method + if (!$dt && ($timestamp = self::strtotime($date))) { + try { + $dt = new DateTime("@".$timestamp); + } + catch (Exception $e) { + // ignore + } + } + + return $dt; + } + + /** + * Clean up date string for strtotime() input + * + * @param string $date Date string + * + * @return string Date string + */ + public static function clean_datestr($date) + { + $date = trim($date); + + // check for MS Outlook vCard date format YYYYMMDD + if (preg_match('/^([12][90]\d\d)([01]\d)([0123]\d)$/', $date, $m)) { + return sprintf('%04d-%02d-%02d 00:00:00', intval($m[1]), intval($m[2]), intval($m[3])); + } + + // Clean malformed data + $date = preg_replace( + array( + '/GMT\s*([+-][0-9]+)/', // support non-standard "GMTXXXX" literal + '/[^a-z0-9\x20\x09:+-\/]/i', // remove any invalid characters + '/\s*(Mon|Tue|Wed|Thu|Fri|Sat|Sun)\s*/i', // remove weekday names + ), + array( + '\\1', + '', + '', + ), $date); + + $date = trim($date); + + // try to fix dd/mm vs. mm/dd discrepancy, we can't do more here + if (preg_match('/^(\d{1,2})[.\/-](\d{1,2})[.\/-](\d{4})$/', $date, $m)) { + $mdy = $m[2] > 12 && $m[1] <= 12; + $day = $mdy ? $m[2] : $m[1]; + $month = $mdy ? $m[1] : $m[2]; + $date = sprintf('%04d-%02d-%02d 00:00:00', intval($m[3]), $month, $day); + } + // I've found that YYYY.MM.DD is recognized wrong, so here's a fix + else if (preg_match('/^(\d{4})\.(\d{1,2})\.(\d{1,2})$/', $date)) { + $date = str_replace('.', '-', $date) . ' 00:00:00'; + } + + return $date; + } /* * Idn_to_ascii wrapper. @@ -862,10 +923,20 @@ * * @param string Input string (UTF-8) * @param boolean True to return list of words as array + * * @return mixed Normalized string or a list of normalized tokens */ public static function normalize_string($str, $as_array = false) { + // replace 4-byte unicode characters with '?' character, + // these are not supported in default utf-8 charset on mysql, + // the chance we'd need them in searching is very low + $str = preg_replace('/(' + . '\xF0[\x90-\xBF][\x80-\xBF]{2}' + . '|[\xF1-\xF3][\x80-\xBF]{3}' + . '|\xF4[\x80-\x8F][\x80-\xBF]{2}' + . ')/', '?', $str); + // split by words $arr = self::tokenize_string($str); @@ -974,4 +1045,16 @@ return !in_array($str, array('false', '0', 'no', 'off', 'nein', ''), true); } + /** + * OS-dependent absolute path detection + */ + public static function is_absolute_path($path) + { + if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') { + return (bool) preg_match('!^[a-z]:[\\\\/]!i', $path); + } + else { + return $path[0] == DIRECTORY_SEPARATOR; + } + } } -- Gitblit v1.9.1