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Diffstat (limited to 'program/lib/Roundcube/rcube_utils.php')
-rw-r--r--program/lib/Roundcube/rcube_utils.php125
1 files changed, 90 insertions, 35 deletions
diff --git a/program/lib/Roundcube/rcube_utils.php b/program/lib/Roundcube/rcube_utils.php
index b73bc0812..46d53ac91 100644
--- a/program/lib/Roundcube/rcube_utils.php
+++ b/program/lib/Roundcube/rcube_utils.php
@@ -454,6 +454,9 @@ class rcube_utils
// cut out all contents between { and }
while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos))) {
+ $nested = strpos($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, $length);
@@ -619,6 +622,10 @@ class rcube_utils
*/
public static function parse_host($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
@@ -639,8 +646,7 @@ class rcube_utils
}
}
- $name = str_replace(array('%n', '%t', '%d', '%h', '%z', '%s'), array($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);
}
@@ -677,9 +683,17 @@ class rcube_utils
*/
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];
+ 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 $_SERVER['REMOTE_ADDR'];
}
return '';
@@ -744,40 +758,13 @@ class rcube_utils
*/
public static function strtotime($date)
{
- $date = trim($date);
-
- // check for MS Outlook vCard date format YYYYMMDD
- if (preg_match('/^([12][90]\d\d)([01]\d)([0123]\d)$/', $date, $m)) {
- return mktime(0,0,0, intval($m[2]), intval($m[3]), intval($m[1]));
- }
-
- // common little-endian formats, e.g. dd/mm/yyyy (not all are supported by strtotime)
- if (preg_match('/^(\d{1,2})[.\/-](\d{1,2})[.\/-](\d{4})$/', $date, $m)
- && $m[1] > 0 && $m[1] <= 31 && $m[2] > 0 && $m[2] <= 12 && $m[3] >= 1970
- ) {
- return mktime(0,0,0, intval($m[2]), intval($m[1]), intval($m[3]));
- }
+ $date = self::clean_datestr($date);
// unix timestamp
if (is_numeric($date)) {
return (int) $date;
}
- // 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);
-
// 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)) {
@@ -805,8 +792,8 @@ class rcube_utils
return $date;
}
- $dt = false;
- $date = trim($date);
+ $dt = false;
+ $date = self::clean_datestr($date);
// try to parse string with DateTime first
if (!empty($date)) {
@@ -831,6 +818,52 @@ class rcube_utils
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 $date;
+ }
+
/*
* Idn_to_ascii wrapper.
* Intl/Idn modules version of this function doesn't work with e-mail address
@@ -890,10 +923,20 @@ class rcube_utils
*
* @param string Input string (UTF-8)
* @param boolean True to return list of words as array
+ *
* @return mixed Normalized string or a list of normalized tokens
*/
public static function normalize_string($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);
@@ -1002,4 +1045,16 @@ class rcube_utils
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;
+ }
+ }
}