Current File : /home/admin/public_html/old/happy2/administrator/components/com_content/helpers/content.php
<?php
/**
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// No direct access
defined('_JEXEC') or die;
/**
* Content component helper.
*
* @package Joomla.Administrator
* @subpackage com_content
* @since 1.6
*/
class ContentHelper
{
public static $extension = 'com_content';
/**
* Configure the Linkbar.
*
* @param string $vName The name of the active view.
*
* @return void
* @since 1.6
*/
public static function addSubmenu($vName)
{
JSubMenuHelper::addEntry(
JText::_('JGLOBAL_ARTICLES'),
'index.php?option=com_content&view=articles',
$vName == 'articles'
);
JSubMenuHelper::addEntry(
JText::_('COM_CONTENT_SUBMENU_CATEGORIES'),
'index.php?option=com_categories&extension=com_content',
$vName == 'categories');
JSubMenuHelper::addEntry(
JText::_('COM_CONTENT_SUBMENU_FEATURED'),
'index.php?option=com_content&view=featured',
$vName == 'featured'
);
}
/**
* Gets a list of the actions that can be performed.
*
* @param int The category ID.
* @param int The article ID.
*
* @return JObject
* @since 1.6
*/
public static function getActions($categoryId = 0, $articleId = 0)
{
// Reverted a change for version 2.5.6
$user = JFactory::getUser();
$result = new JObject;
if (empty($articleId) && empty($categoryId)) {
$assetName = 'com_content';
}
elseif (empty($articleId)) {
$assetName = 'com_content.category.'.(int) $categoryId;
}
else {
$assetName = 'com_content.article.'.(int) $articleId;
}
$actions = array(
'core.admin', 'core.manage', 'core.create', 'core.edit', 'core.edit.own', 'core.edit.state', 'core.delete'
);
foreach ($actions as $action) {
$result->set($action, $user->authorise($action, $assetName));
}
return $result;
}
/**
* Applies the content tag filters to arbitrary text as per settings for current user group
* @param text The string to filter
* @return string The filtered string
*/
public static function filterText($text)
{
// Filter settings
$config = JComponentHelper::getParams('com_config');
$user = JFactory::getUser();
$userGroups = JAccess::getGroupsByUser($user->get('id'));
$filters = $config->get('filters');
$blackListTags = array();
$blackListAttributes = array();
$customListTags = array();
$customListAttributes = array();
$whiteListTags = array();
$whiteListAttributes = array();
$noHtml = false;
$whiteList = false;
$blackList = false;
$customList = false;
$unfiltered = false;
// Cycle through each of the user groups the user is in.
// Remember they are included in the Public group as well.
foreach ($userGroups as $groupId)
{
// May have added a group but not saved the filters.
if (!isset($filters->$groupId)) {
continue;
}
// Each group the user is in could have different filtering properties.
$filterData = $filters->$groupId;
$filterType = strtoupper($filterData->filter_type);
if ($filterType == 'NH') {
// Maximum HTML filtering.
$noHtml = true;
}
elseif ($filterType == 'NONE') {
// No HTML filtering.
$unfiltered = true;
}
else {
// Black, white or custom list.
// Preprocess the tags and attributes.
$tags = explode(',', $filterData->filter_tags);
$attributes = explode(',', $filterData->filter_attributes);
$tempTags = array();
$tempAttributes = array();
foreach ($tags as $tag)
{
$tag = trim($tag);
if ($tag) {
$tempTags[] = $tag;
}
}
foreach ($attributes as $attribute)
{
$attribute = trim($attribute);
if ($attribute) {
$tempAttributes[] = $attribute;
}
}
// Collect the black or white list tags and attributes.
// Each lists is cummulative.
if ($filterType == 'BL') {
$blackList = true;
$blackListTags = array_merge($blackListTags, $tempTags);
$blackListAttributes = array_merge($blackListAttributes, $tempAttributes);
}
elseif ($filterType == 'CBL') {
// Only set to true if Tags or Attributes were added
if ($tempTags || $tempAttributes) {
$customList = true;
$customListTags = array_merge($customListTags, $tempTags);
$customListAttributes = array_merge($customListAttributes, $tempAttributes);
}
}
elseif ($filterType == 'WL') {
$whiteList = true;
$whiteListTags = array_merge($whiteListTags, $tempTags);
$whiteListAttributes = array_merge($whiteListAttributes, $tempAttributes);
}
}
}
// Remove duplicates before processing (because the black list uses both sets of arrays).
$blackListTags = array_unique($blackListTags);
$blackListAttributes = array_unique($blackListAttributes);
$customListTags = array_unique($customListTags);
$customListAttributes = array_unique($customListAttributes);
$whiteListTags = array_unique($whiteListTags);
$whiteListAttributes = array_unique($whiteListAttributes);
// Unfiltered assumes first priority.
if ($unfiltered) {
// Dont apply filtering.
}
else {
// Custom blacklist precedes Default blacklist
if ($customList) {
$filter = JFilterInput::getInstance(array(), array(), 1, 1);
// Override filter's default blacklist tags and attributes
if ($customListTags) {
$filter->tagBlacklist = $customListTags;
}
if ($customListAttributes) {
$filter->attrBlacklist = $customListAttributes;
}
}
// Black lists take third precedence.
elseif ($blackList) {
// Remove the white-listed attributes from the black-list.
$filter = JFilterInput::getInstance(
array_diff($blackListTags, $whiteListTags), // blacklisted tags
array_diff($blackListAttributes, $whiteListAttributes), // blacklisted attributes
1, // blacklist tags
1 // blacklist attributes
);
// Remove white listed tags from filter's default blacklist
if ($whiteListTags) {
$filter->tagBlacklist = array_diff($filter->tagBlacklist, $whiteListTags);
}
// Remove white listed attributes from filter's default blacklist
if ($whiteListAttributes) {
$filter->attrBlacklist = array_diff($filter->attrBlacklist);
}
}
// White lists take fourth precedence.
elseif ($whiteList) {
$filter = JFilterInput::getInstance($whiteListTags, $whiteListAttributes, 0, 0, 0); // turn off xss auto clean
}
// No HTML takes last place.
else {
$filter = JFilterInput::getInstance();
}
$text = $filter->clean($text, 'html');
}
return $text;
}
}