From 11526305f506245af55e8ae7ea31faec49dfd98d Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Mon, 02 Mar 2009 12:34:18 -0500
Subject: [PATCH] Revert r2322; this is done in rcmail_html4inline() and now secured + fix tests
---
tests/src/htmlxss.txt | 2 +-
program/include/rcmail.php | 2 +-
program/steps/mail/func.inc | 28 ++++++++++++++--------------
tests/mailfunc.php | 13 +++++++++----
4 files changed, 25 insertions(+), 20 deletions(-)
diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index 51ca921..f109c16 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -47,7 +47,7 @@
/**
* This implements the 'singleton' design pattern
*
- * @return object qvert The one and only instance
+ * @return object rcmail The one and only instance
*/
static function get_instance()
{
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 702625c..79e148d 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -21,7 +21,7 @@
require_once('include/rcube_smtp.inc');
-$EMAIL_ADDRESS_PATTERN = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/i';
+$EMAIL_ADDRESS_PATTERN = '([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})';
// actions that do not require imap connection
$NOIMAP_ACTIONS = array('spell', 'addcontact', 'autocomplete', 'upload', 'display-attachment', 'remove-attachment');
@@ -707,7 +707,6 @@
}
$washer = new washtml($wash_opts);
- $washer->add_callback('a', 'rcmail_washtml_callback');
$washer->add_callback('form', 'rcmail_washtml_callback');
if ($p['safe']) { // allow CSS styles, will be sanitized by rcmail_washtml_callback()
@@ -818,11 +817,6 @@
switch ($tagname) {
case 'form':
$out = html::div('form', $content);
- break;
-
- case 'a':
- if ($attrib) $attrib .= ' target="_blank"';
- $out = '<a'.$attrib.'>' . $content . '</a>';
break;
case 'style':
@@ -1040,7 +1034,9 @@
}
// modify HTML links to open a new window if clicked
- $body = preg_replace('/<(a|link)\s+([^>]+)>/Uie', "rcmail_alter_html_link('\\1','\\2', '$container_id');", $body);
+ $GLOBALS['rcmail_html_container_id'] = $container_id;
+ $body = preg_replace_callback('/<(a|link)\s+([^>]+)>/Ui', 'rcmail_alter_html_link', $body);
+ unset($GLOBALS['rcmail_html_container_id']);
// add comments arround html and other tags
$out = preg_replace(array(
@@ -1068,20 +1064,24 @@
/**
* parse link attributes and set correct target
*/
-function rcmail_alter_html_link($tag, $attrs, $container_id)
+function rcmail_alter_html_link($matches)
{
- $attrib = parse_attrib_string($attrs);
+ global $EMAIL_ADDRESS_PATTERN;
+
+ $tag = $matches[1];
+ $attrib = parse_attrib_string($matches[2]);
$end = '>';
if ($tag == 'link' && preg_match('/^https?:\/\//i', $attrib['href'])) {
- $attrib['href'] = "./bin/modcss.php?u=" . urlencode($attrib['href']) . "&c=" . urlencode($container_id);
+ $attrib['href'] = "./bin/modcss.php?u=" . urlencode($attrib['href']) . "&c=" . urlencode($GLOBALS['rcmail_html_container_id']);
$end = ' />';
}
- else if (stristr((string)$attrib['href'], 'mailto:')) {
+ else if (preg_match("/^mailto:$EMAIL_ADDRESS_PATTERN/i", $attrib['href'], $mailto)) {
+ $attrib['href'] = $mailto[0];
$attrib['onclick'] = sprintf(
"return %s.command('compose','%s',this)",
JS_OBJECT_NAME,
- JQ(substr($attrib['href'], 7)));
+ JQ($mailto[1]));
}
else if (!empty($attrib['href']) && $attrib['href'][0] != '#') {
$attrib['target'] = '_blank';
@@ -1112,7 +1112,7 @@
if ($PRINT_MODE) {
$out .= sprintf('%s <%s>', Q($part['name']), $part['mailto']);
}
- else if (preg_match($EMAIL_ADDRESS_PATTERN, $part['mailto'])) {
+ else if (preg_match("/$EMAIL_ADDRESS_PATTERN/i", $part['mailto'])) {
if ($linked) {
$out .= html::a(array(
'href' => 'mailto:'.$part['mailto'],
diff --git a/tests/mailfunc.php b/tests/mailfunc.php
index bf9163b..8fd2cd3 100644
--- a/tests/mailfunc.php
+++ b/tests/mailfunc.php
@@ -19,6 +19,8 @@
$IMAP = $RCMAIL->imap;
require_once 'steps/mail/func.inc';
+
+ $GLOBALS['EMAIL_ADDRESS_PATTERN'] = $EMAIL_ADDRESS_PATTERN;
}
/**
@@ -43,7 +45,7 @@
$part->replaces = array('ex1.jpg' => 'part_1.2.jpg', 'ex2.jpg' => 'part_1.2.jpg');
// render HTML in normal mode
- $html = rcmail_print_body($part, array('safe' => false));
+ $html = rcmail_html4inline(rcmail_print_body($part, array('safe' => false)), 'foo');
$this->assertPattern('/src="'.$part->replaces['ex1.jpg'].'"/', $html, "Replace reference to inline image");
$this->assertPattern('#background="./program/blocked.gif"#', $html, "Replace external background image");
@@ -71,10 +73,13 @@
{
$part = $this->get_html_part('src/htmlxss.txt');
$washed = rcmail_print_body($part, array('safe' => true));
-
+
$this->assertNoPattern('/src="skins/', $washed, "Remove local references");
- $this->assertNoPattern('/\son[a-z]+/', $wahsed, "Remove on* attributes");
- $this->assertNoPattern('/alert/', $wahsed, "Remove alerts");
+ $this->assertNoPattern('/\son[a-z]+/', $washed, "Remove on* attributes");
+
+ $html = rcmail_html4inline($washed, 'foo');
+ $this->assertNoPattern('/onclick="return rcmail.command(\'compose\',\'xss@somehost.net\',this)"/', $html, "Clean mailto links");
+ $this->assertNoPattern('/alert/', $html, "Remove alerts");
}
/**
diff --git a/tests/src/htmlxss.txt b/tests/src/htmlxss.txt
index 60ceb94..f6c43e3 100644
--- a/tests/src/htmlxss.txt
+++ b/tests/src/htmlxss.txt
@@ -3,7 +3,7 @@
<p><img onLoad.="alert(document.cookie)" src="skins/default/images/roundcube_logo.png" /></p>
-<p><a href="javascript:alert(document.cookie)">mail me!</a>
+<p><a href="mailto:xss@somehost.net') && alert(document.cookie) || ignore('">mail me!</a>
<a href="http://roundcube.net" target="_self">roundcube.net</a>
<a href="http://roundcube.net" \onmouseover="alert('XSS')">roundcube.net (2)</a>
--
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