From c1bc8f6c827a27540b5510b42dcc65b39d38f2c1 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Mon, 14 Oct 2013 07:19:37 -0400
Subject: [PATCH] Change so abort=true does not break the loop in exec_hook(), provide a new 'break' flag for this purpose
---
program/lib/Roundcube/rcube_utils.php | 92 ++++++++++++++++++++++++++++++++++++---------
1 files changed, 73 insertions(+), 19 deletions(-)
diff --git a/program/lib/Roundcube/rcube_utils.php b/program/lib/Roundcube/rcube_utils.php
index cf87ded..b73bc08 100644
--- a/program/lib/Roundcube/rcube_utils.php
+++ b/program/lib/Roundcube/rcube_utils.php
@@ -390,12 +390,13 @@
* 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 : $_REQUEST);
@@ -403,7 +404,7 @@
foreach (array_keys($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);
}
}
@@ -444,41 +445,45 @@
$source = self::xss_entity_decode($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));
+ $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',
),
@@ -490,9 +495,9 @@
$source);
// put block contents back in
- $styles = $replacements->resolve($styles);
+ $source = $replacements->resolve($source);
- return $styles;
+ return $source;
}
@@ -739,11 +744,22 @@
*/
public static function strtotime($date)
{
+ $date = trim($date);
+
// check for MS Outlook vCard date format YYYYMMDD
- if (preg_match('/^([12][90]\d\d)([01]\d)(\d\d)$/', trim($date), $matches)) {
- return mktime(0,0,0, intval($matches[2]), intval($matches[3]), intval($matches[1]));
+ 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]));
}
- else if (is_numeric($date)) {
+
+ // common little-endian formats, e.g. dd/mm/yyyy (not all are supported by strtotime)
+ if (preg_match('/^(\d{1,2})[.\/-](\d{1,2})[.\/-](\d{4})$/', $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]));
+ }
+
+ // unix timestamp
+ if (is_numeric($date)) {
return (int) $date;
}
@@ -776,6 +792,44 @@
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;
+ $date = trim($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;
+ }
/*
* Idn_to_ascii wrapper.
--
Gitblit v1.9.1