From 5f58127eae9ed8c54c190506e11af13e8ba57170 Mon Sep 17 00:00:00 2001 From: Aleksander Machniak <alec@alec.pl> Date: Sun, 24 Aug 2014 05:43:12 -0400 Subject: [PATCH] Added rcube_utils::resolve_url() --- program/lib/Roundcube/rcube_utils.php | 139 ++++++++++++++++++++++++++++++++++++---------- 1 files changed, 108 insertions(+), 31 deletions(-) diff --git a/program/lib/Roundcube/rcube_utils.php b/program/lib/Roundcube/rcube_utils.php index 27a618d..ef303f8 100644 --- a/program/lib/Roundcube/rcube_utils.php +++ b/program/lib/Roundcube/rcube_utils.php @@ -119,17 +119,6 @@ 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 (!function_exists('getmxrr') || getmxrr($domain_part, $mx_records)) { return true; @@ -593,18 +582,18 @@ */ public static function https_check($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($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https') { + if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) + && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https' + && in_array($_SERVER['REMOTE_ADDR'], rcube::get_instance()->config->get('proxy_whitelist', array()))) { return true; } if ($port && $_SERVER['SERVER_PORT'] == $port) { return true; } - if ($use_https && isset($RCMAIL) && $RCMAIL->config->get('use_https')) { + if ($use_https && rcube::get_instance()->config->get('use_https')) { return true; } @@ -622,6 +611,10 @@ */ 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 @@ -642,8 +635,7 @@ } } - $name = str_replace(array('%n', '%t', '%d', '%h', '%z', '%s'), array($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); } @@ -680,9 +672,26 @@ */ public static function remote_addr() { - foreach (array('HTTP_X_FORWARDED_FOR','HTTP_X_REAL_IP','REMOTE_ADDR') as $prop) { - if (!empty($_SERVER[$prop])) - return $_SERVER[$prop]; + // Check if any of the headers are set first to improve performance + if (!empty($_SERVER['HTTP_X_FORWARDED_FOR']) || !empty($_SERVER['HTTP_X_REAL_IP'])) { + $proxy_whitelist = rcube::get_instance()->config->get('proxy_whitelist', array()); + if (in_array($_SERVER['REMOTE_ADDR'], $proxy_whitelist)) { + if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { + foreach(array_reverse(explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'])) as $forwarded_ip) { + if (!in_array($forwarded_ip, $proxy_whitelist)) { + return $forwarded_ip; + } + } + } + + if (!empty($_SERVER['HTTP_X_REAL_IP'])) { + return $_SERVER['HTTP_X_REAL_IP']; + } + } + } + + if (!empty($_SERVER['REMOTE_ADDR'])) { + return $_SERVER['REMOTE_ADDR']; } return ''; @@ -775,7 +784,7 @@ * * @return object DateTime instance or false on failure */ - public static function anytodatetime($date) + public static function anytodatetime($date, $timezone = null) { if (is_object($date) && is_a($date, 'DateTime')) { return $date; @@ -787,7 +796,7 @@ // try to parse string with DateTime first if (!empty($date)) { try { - $dt = new DateTime($date); + $dt = new DateTime($date, $timezone); } catch (Exception $e) { // ignore @@ -908,26 +917,53 @@ /** * Normalize the given string for fulltext search. - * Currently only optimized for Latin-1 characters; to be extended + * Currently only optimized for ISO-8859-1 and ISO-8859-2 characters; to be extended * * @param string Input string (UTF-8) * @param boolean True to return list of words as array + * * @return mixed Normalized string or a list of normalized tokens */ public static function normalize_string($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); + // detect character set + if (utf8_encode(utf8_decode($str)) == $str) { + // ISO-8859-1 (or ASCII) + preg_match_all('/./u', 'äâàåáãæçéêëèïîìíñöôòøõóüûùúýÿ', $keys); + preg_match_all('/./', 'aaaaaaaceeeeiiiinoooooouuuuyy', $values); + + $mapping = array_combine($keys[0], $values[0]); + $mapping = array_merge($mapping, array('ß' => 'ss', 'ae' => 'a', 'oe' => 'o', 'ue' => 'u')); + } + else if (rcube_charset::convert(rcube_charset::convert($str, 'UTF-8', 'ISO-8859-2'), 'ISO-8859-2', 'UTF-8') == $str) { + // ISO-8859-2 + preg_match_all('/./u', 'ąáâäćçčéęëěíîłľĺńňóôöŕřśšşťţůúűüźžżý', $keys); + preg_match_all('/./', 'aaaaccceeeeiilllnnooorrsssttuuuuzzzy', $values); + + $mapping = array_combine($keys[0], $values[0]); + $mapping = array_merge($mapping, array('ß' => 'ss', 'ae' => 'a', 'oe' => 'o', 'ue' => 'u')); + } + foreach ($arr as $i => $part) { - if (utf8_encode(utf8_decode($part)) == $part) { // is latin-1 ? - $arr[$i] = utf8_encode(strtr(strtolower(strtr(utf8_decode($part), - 'ÇçäâàåéêëèïîìÅÉöôòüûùÿøØáíóúñÑÁÂÀãÃÊËÈÍÎÏÓÔõÕÚÛÙýÝ', - 'ccaaaaeeeeiiiaeooouuuyooaiounnaaaaaeeeiiioooouuuyy')), - array('ß' => 'ss', 'ae' => 'a', 'oe' => 'o', 'ue' => 'u'))); + $part = mb_strtolower($part); + + if (!empty($mapping)) { + $part = strtr($part, $mapping); } - else - $arr[$i] = mb_strtolower($part); + + $arr[$i] = $part; } return $as_array ? $arr : join(" ", $arr); @@ -1009,7 +1045,6 @@ } } - /** * Find out if the string content means true or false * @@ -1024,4 +1059,46 @@ return !in_array($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; + } + } + + /** + * Resolve relative URL + * + * @param string $url Relative URL + * + * @return string Absolute URL + */ + public static function resolve_url($url) + { + // prepend protocol://hostname:port + if (!preg_match('|^https?://|', $url)) { + $schema = 'http'; + $default_port = 80; + + if (self::https_check()) { + $schema = 'https'; + $default_port = 443; + } + + $prefix = $schema . '://' . preg_replace('/:\d+$/', '', $_SERVER['HTTP_HOST']); + if ($_SERVER['SERVER_PORT'] != $default_port) { + $prefix .= ':' . $_SERVER['SERVER_PORT']; + } + + $url = $prefix . ($url[0] == '/' ? '' : '/') . $url; + } + + return $url; + } } -- Gitblit v1.9.1