From aa1eb2d89e7e4011ed43fdb391e6ced695a9521f Mon Sep 17 00:00:00 2001 From: friendica Date: Wed, 22 May 2013 18:22:41 -0700 Subject: add basic input filtering to the simple activity posting --- include/items.php | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'include/items.php') diff --git a/include/items.php b/include/items.php index dc2d6b11b..37a6d5fed 100755 --- a/include/items.php +++ b/include/items.php @@ -113,6 +113,12 @@ function post_activity_item($arr) { return $ret; } + if(array_key_exists('content_type',$arr) && $arr['content_type'] == 'text/html') + $arr['body'] = purify_html($arr['body']); + else + $arr['body'] = escape_tags($arr['body']); + + $arr['mid'] = ((x($arr,'mid')) ? $arr['mid'] : item_message_id()); $arr['parent_mid'] = ((x($arr,'parent_mid')) ? $arr['parent_mid'] : $arr['mid']); $arr['thr_parent'] = ((x($arr,'thr_parent')) ? $arr['thr_parent'] : $arr['mid']); @@ -160,6 +166,20 @@ function post_activity_item($arr) { } +function purify_html($s) { + require_once('library/HTMLPurifier.auto.php'); + require_once('include/html2bbcode.php'); + +// FIXME this function has html output, not bbcode - so safely purify these +// $s = html2bb_video($s); +// $s = oembed_html2bbcode($s); + + $config = HTMLPurifier_Config::createDefault(); + $config->set('Cache.DefinitionImpl', null); + + $purifier = new HTMLPurifier($config); + return $purifier->purify($s); +} function get_public_feed($channel,$params) { -- cgit v1.2.3