From 341fa8b9a6207000d057e00678d96ada6136f783 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Wed, 14 Aug 2013 17:36:55 -0400
Subject: [PATCH] Merge branch 'release-0.9' of github.com:roundcube/roundcubemail into release-0.9
---
program/steps/settings/save_identity.inc | 46 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 46 insertions(+), 0 deletions(-)
diff --git a/program/steps/settings/save_identity.inc b/program/steps/settings/save_identity.inc
index 34d8be2..d3b132f 100644
--- a/program/steps/settings/save_identity.inc
+++ b/program/steps/settings/save_identity.inc
@@ -76,6 +76,15 @@
}
}
+// XSS protection in HTML signature (#1489251)
+if (!empty($save_data['signature']) && !empty($save_data['html_signature'])) {
+ $save_data['signature'] = rcmail_wash_html($save_data['signature']);
+
+ // clear POST data of signature, we want to use safe content
+ // when the form is displayed again
+ unset($_POST['_signature']);
+}
+
// update an existing contact
if ($_POST['_iid']) {
$iid = get_input_value('_iid', RCUBE_INPUT_POST);
@@ -167,3 +176,40 @@
}
else
rcmail_overwrite_action('identities');
+
+
+/**
+ * Sanity checks/cleanups on HTML body of signature
+ */
+function rcmail_wash_html($html)
+{
+ // Add header with charset spec., washtml cannot work without that
+ $html = '<html><head>'
+ . '<meta http-equiv="Content-Type" content="text/html; charset='.RCMAIL_CHARSET.'" />'
+ . '</head><body>' . $html . '</body></html>';
+
+ // clean HTML with washhtml by Frederic Motte
+ $wash_opts = array(
+ 'show_washed' => false,
+ 'allow_remote' => 1,
+ 'charset' => RCMAIL_CHARSET,
+ 'html_elements' => array('body', 'link'),
+ 'html_attribs' => array('rel', 'type'),
+ );
+
+ // initialize HTML washer
+ $washer = new rcube_washtml($wash_opts);
+
+ //$washer->add_callback('form', 'rcmail_washtml_callback');
+ //$washer->add_callback('style', 'rcmail_washtml_callback');
+
+ // Remove non-UTF8 characters (#1487813)
+ $html = rc_utf8_clean($html);
+
+ $html = $washer->wash($html);
+
+ // remove unwanted comments and tags (produced by washtml)
+ $html = preg_replace(array('/<!--[^>]+-->/', '/<\/?body>/'), '', $html);
+
+ return $html;
+}
--
Gitblit v1.9.1