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- remove bad html-tags in ticket-subject and -message, thx to Edward Fjellskaal

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This commit is contained in:
Michael Kaufmann (d00p)
2010-09-23 06:08:23 +00:00
parent 29d54671d3
commit 59b7ced862
2 changed files with 39 additions and 15 deletions
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2
admin_tickets.php
View File

@@ -168,7 +168,7 @@ if($page == 'tickets'
$newticket->Set('subject', validate($_POST['subject'], 'subject'), true, false);
$newticket->Set('priority', validate($_POST['priority'], 'priority'), true, false);
$newticket->Set('category', validate($_POST['category'], 'category'), true, false);
$newticket->Set('customer', validate($_POST['customer'], 'customer'), true, false);
$newticket->Set('customer', (int)$_POST['customer'], true, false);
$newticket->Set('message', validate(str_replace("\r\n", "\n", $_POST['message']), 'message', '/^[^\0]*$/'), true, false);
if($newticket->Get('subject') == null)

28
lib/classes/ticket/class.ticket.php
View File

@@ -706,11 +706,11 @@ class ticket
{
if(strtolower($_var) == 'message')
{
return str_replace('script>', 'pre>', htmlspecialchars_decode(nl2br($this->t_data[$_var])));
return $this->_removeBadTags(htmlspecialchars_decode(nl2br($this->t_data[$_var])));
}
elseif(strtolower($_var) == 'subject')
{
return str_replace('script>', 'pre>', htmlspecialchars_decode(nl2br($this->t_data[$_var])));
return $this->_removeBadTags(htmlspecialchars_decode(nl2br($this->t_data[$_var])));
}
else
{
@@ -751,6 +751,30 @@ class ticket
$this->t_data[$_var] = $_value;
}
}
/**
* removes unwanted HTML-tags from a string
*
* @param string $s string to be cleaned
*
* @return string cleaned string
*/
function _removeBadTags($str = null)
{
$tags = array('script', 'noframes', 'iframe');
$content = '';
$stripContent = false;
if(!is_array($tags)) {
$tags = (strpos($str, '>') !== false ? explode('>', str_replace('<', '', $tags)) : array($tags));
if(end($tags) == '') array_pop($tags);
}
foreach($tags as $tag) {
if ($stripContent)
$content = '(.+</'.$tag.'[^>]*>|)';
$str = preg_replace('#</?'.$tag.'[^>]*>'.$content.'#is', '', $str);
}
return $str;
}
}
?>