Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/formvalidator/Rule/HTML.php

76 lines
2.2 KiB

<?php
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2005 Dokeos S.A.
Copyright (c) Bart Mollet, Hogeschool Gent
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See the GNU General Public License for more details.
Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
require_once ('HTML/QuickForm/Rule.php');
require_once (api_get_path(SYS_PATH).'main/inc/lib/kses-0.2.2/kses.php');
/**
* QuickForm rule to check a html
*/
class HTML_QuickForm_Rule_HTML extends HTML_QuickForm_Rule
{
/**
* Function to validate HTML
* @see HTML_QuickForm_Rule
* @param string $html
* @return boolean True if html is valid
*/
function validate($html, $mode = NO_HTML)
{
$allowed_tags = $this->get_allowed_tags ($mode,$fullpage);
$cleaned_html = kses($html, $allowed_tags);
return $html == $cleaned_html;
}
/**
* Get allowed tags
* @param int $mode NO_HTML, STUDENT_HTML, TEACHER_HTML,
* STUDENT_HTML_FULLPAGE or TEACHER_HTML_FULLPAGE
* @param boolean $fullpage If true, the allowed tags for full-page editing
* are returned.
*/
function get_allowed_tags($mode)
{
//Include the allowed tags
include(dirname(__FILE__).'/allowed_tags.inc.php');
switch($mode)
{
case NO_HTML:
return array();
break;
case STUDENT_HTML:
return $allowed_tags_student;
break;
case STUDENT_HTML_FULLPAGE:
return array_merge($allowed_tags_student,$allowed_tags_student_full_page);
break;
case TEACHER_HTML:
return $allowed_tags_teacher;
break;
case TEACHER_HTML_FULLPAGE:
return array_merge($allowed_tags_teacher,$allowed_tags_teacher_full_page);
break;
default:
return array();
break;
}
}
}
?>